CN215430104U - Circular motion banana sieve - Google Patents

Abstract

The utility model discloses a circular motion banana screen which comprises a screen box, a driving device, a block eccentric vibrator and a screen surface, wherein the screen box is obliquely arranged through a front support and a rear support, a large inclination angle of the screen surface is arranged in the screen box, the higher end of the screen box is a feeding end, the higher end of the screen box is a discharging end, the angles of the screen surface from the feeding end to the discharging end are sequentially reduced, the block eccentric vibrator is arranged at the top of the screen box, and the driving device is arranged on one side of the screen box and is in transmission connection with the block eccentric vibrator. According to the utility model, the screen box is driven to move circularly by the eccentric vibrator, and the screen surface is arranged on the screen box in a multi-angle manner, so that the combination of the screen surface angle and the movement track of the screen box is more beneficial to the dispersion and layering of materials, and a more powerful condition is provided for the materials to penetrate through the screen. Meanwhile, the large-amplitude large-vibration strength can be achieved by changing the exciting force of the eccentric vibrator, and the large-inclination angle installation can bring larger throughput and higher screening efficiency for equipment.

Description

Circular motion banana sieve

Technical Field

The utility model belongs to the field of mining equipment, and particularly relates to a circular motion banana screen.

Background

The banana screen is a large and medium-sized screening machine with large screening capacity, is suitable for screening sintered ores, coal, limestone, broken stones, gravel, metal or nonmetal ores and other materials, and is widely applied to industries such as metallurgy, coal, building materials, refractory materials and the like.

The traditional banana sieve generally adopts a box-type vibrator, the vibration track of the box-type vibrator is a straight line, materials are not easy to pass through the sieve, the angle of the sieve surface is low, the material passing speed is low, and the sieving efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circular motion banana screen, which can realize the effect of quickly passing through a material at a feeding end, improving the screening efficiency at a discharging end, improving the material screening rate and improving the screening efficiency.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a circular motion banana sieve, includes sieve case, drive arrangement, piece eccentric vibrator and sifter, and the sieve case sets up through two support slopes in tandem, and the big inclination of sifter is installed at the sieve incasement, and the higher one end of sieve case is the pan feeding end, and the higher one end of sieve case is the discharge end, and the pan feeding end reduces in proper order to discharge end sifter angle, and piece eccentric vibrator installs at sieve roof portion, and drive arrangement installs and is connected with the transmission of piece eccentric vibrator in sieve case one side.

Furthermore, the eccentric vibrators of each group comprise two eccentric vibrators and a transmission shaft, the two eccentric vibrators are correspondingly arranged on the side plates on two sides of the screen box respectively, and the two eccentric vibrators are in transmission connection through the transmission shafts.

Further, all be provided with strutting arrangement on the support, strutting arrangement includes fixing base and damping spring, and the fixing base passes through damping spring to be installed on the support, and the fixing base includes that one is high one and is two pressure seats that the step set up, presses and is provided with the clamp plate on the seat, and the welding has two supporting beam on the sieve case, and two supporting beam one end correspond to be located on two pressure seats, and the clamp plate covers on a supporting beam to connect through bolt and pressure seat cooperation.

Further, drive arrangement includes the mount pad, includes motor, reduction gear and belt cover, and the motor cabinet is set up to extending outward along the horizontal direction to the motor cabinet, and the motor is installed on the motor cabinet, and the reduction gear is installed at the mount pad top, and the motor passes through the V-belt transmission and connects, and the belt cover is established on the belt.

Furthermore, a waist-shaped hole is formed in the motor base, the motor is connected with the waist-shaped hole through a bolt, and a limiting assembly is further arranged on the motor base of the motor and the mounting base support.

Further, spacing subassembly includes fixed block, lead screw ejector pin and thread bush, and the fixed block is installed at the motor cabinet, and trompil in the middle of the fixed block, thread bush are installed downtheholely, and the thread bush is the internal thread, and the cooperation of lead screw ejector pin closes soon in the thread bush.

Furthermore, a supporting beam reinforcing plate is arranged on the side plates on the two sides of the screen box, and a lifting reinforcing beam is arranged at the top of each side plate.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the sieve box is obliquely arranged through a front support and a rear support, the large inclination angle of the sieve surface is arranged in the sieve box, the higher end of the sieve box is a feeding end, the higher end of the sieve box is a discharging end, the angles of the sieve surface from the feeding end to the discharging end are sequentially reduced, the block eccentric vibrator is arranged at the top of the sieve box, and the driving device is arranged on one side of the sieve box and is in transmission connection with the block eccentric vibrator. The sieve box is driven to move in a circular motion track through the eccentric vibrator, and the sieve surface is arranged on the sieve box in a multi-angle mode, so that the combination of the angle of the sieve surface and the motion track of the sieve box is more favorable for material dispersion and layering, and a more powerful condition is provided for the material to penetrate through the sieve. Meanwhile, the large-amplitude large-vibration strength can be achieved by changing the exciting force of the eccentric vibrator, and the large-inclination angle installation can bring larger throughput and higher screening efficiency for equipment.

Drawings

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

FIG. 2 is a left side view of the structure of the present invention;

FIG. 3 is a schematic view of the supporting device of the present invention;

FIG. 4 is an enlarged view of A in FIG. 1;

in the figure: 1. a screen box; 11. a feeding end, a discharging end and a support 2; 3. a support device; 31. the device comprises a fixed seat, a 32-pressing seat, a 33-pressing plate, a 34-supporting beam, a 35-damping spring, a 4-driving device; 41. the mounting base, 42. the motor, 43. the speed reducer, 44. the belt cover, 45. the V-belt, 46. the motor base, 5. the screen surface; 6. the device comprises a block eccentric vibrator, 7 parts of a limiting assembly, 71 parts of a fixing block, 72 parts of a screw rod ejector rod, 73 parts of a threaded sleeve, 8 parts of a support beam reinforcing plate and 9 parts of a hoisting reinforcing beam.

Detailed Description

Referring to fig. 1-3, a circular motion banana sieve, including sieve case 1, drive arrangement 4, piece eccentric vibrator 6 and sifter 5, sieve case 1 sets up through two supports 2 slopes in tandem, the big inclination of sifter 5 is installed in sieve case 1, the higher one end of sieve case 1 is pan feeding end 11, the higher one end of sieve case 1 is discharge end 12, pan feeding end 11 reduces to 12 sifter 5 angles of discharge end in proper order, piece eccentric vibrator 6 is installed at sieve case 1 top, drive arrangement 4 is installed and is connected with piece eccentric vibrator 6 transmission in sieve case 1 one side. The circular motion track of the utility model has a rolling effect on the materials and the arrangement of the multi-angle sieve surface 5 is used for sieving the materials; the eccentric block vibrator 6 is arranged at the uppermost part of the screen box 1, the motion track generated in the middle part of the screen machine is circular, the motion track of the feeding end 11 is an ellipse facing the discharging end, and the motion track of the discharging end 12 is an ellipse facing the feeding end 11; the movement track can realize the effect of quickly passing materials at the feeding end 11 and improving the screening efficiency at the discharging end, and simultaneously, the angles of the screening surfaces 5 from the feeding end 11 to the discharging end 12 are sequentially reduced by combining the multi-angle screening surface 5 arrangement; the two are combined to enable the equal-thickness screening effect of the equipment to be more obvious, the superposition effect is achieved, the large-inclination-angle installation is adopted, the falling speed of the material is accelerated, larger material throughput and higher screening efficiency can be brought to the equipment, and the screening efficiency and the processing capacity of the equipment are further improved.

Wherein, the eccentric vibrator 6 of piece is two sets of, and every eccentric vibrator 6 of group piece includes two eccentric vibrators 6 of piece and a transmission shaft, and two eccentric vibrators 6 of piece correspond respectively and install on the curb plate of sieve case 1 both sides, and two eccentric vibrators 6 of piece are connected through the transmission shaft transmission. Effectively enhance the exciting force and improve the screening speed.

Wherein, all be provided with strutting arrangement 3 on the support 2, strutting arrangement 3 includes fixing base 31 and damping spring 35, and fixing base 31 passes through damping spring 35 to be installed on support 2, and fixing base 31 has a supporting beam 34 including pressing seat 32 and clamp plate 33, and the welding has on the sieve case 1, and supporting beam 34 one end is located and is pressing seat 32, and clamp plate 33 covers on supporting beam 34 to connect through the bolt and the cooperation of pressing seat 32. The supporting device 3 mainly plays a role in buffering, so that the force generated by vibration of the screen box 1 cannot be directly transmitted to the ground, and the screen box 1 is guaranteed not to be destroyed by the reaction force.

The driving device 4 comprises a mounting base 41, a motor 42, a speed reducer 43 and a belt cover 44, the motor base 46 extends outwards along the horizontal direction and is provided with the motor base 46, the motor 42 is mounted on the motor base 46, the speed reducer 43 is mounted at the top of the mounting base 41, the motor 42 is in transmission connection through a triangular belt 45, and the belt cover 44 is sleeved on the belt. The motor 42 support 2 reduces the floor space required for the overall installation.

Wherein, still seted up waist type hole on the motor cabinet 46, motor 42 passes through bolt and waist type jogged joint, still is provided with spacing subassembly 7 on the motor cabinet 46 of motor 42 and mount pad 41 support. The motor 42 is convenient to adjust, thereby adjusting the tensioning degree of the V-belt 45

Wherein, spacing subassembly 7 includes fixed block 71, lead screw ejector rod 72 and thread bush 73, and fixed block 71 is installed at motor cabinet 46, and the trompil is in the middle of fixed block 71, and thread bush 73 installs downtheholely, and thread bush 73 is the internal thread, and lead screw ejector rod 72 cooperates and closes soon in thread bush 73. The limiting component 7 can tightly support the motor 42, and the situation that the tension of the V-belt 45 is insufficient due to deviation in the using process is prevented.

Wherein, still be provided with a supporting beam reinforcing plate 8 on the curb plate of sieve case 1 both sides, the curb plate top still is provided with the stiffening beam 9 that lifts by crane. The hoisting reinforcing beam 9 can be used by being matched with hoisting equipment for hoisting, and meanwhile, the screen frame is reinforced, and the reinforcing plate 8 of the supporting beam also plays a role in reinforcing the screen frame.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. A round motion banana sieve, characterized by: including sieve case, drive arrangement, eccentric vibrator of piece and sifting surface, the sieve case sets up through two support slopes in tandem, and the big inclination of sifting surface is installed at the sieve incasement, and the higher one end of sieve case is the pan feeding end, and the higher one end of sieve case is the discharge end, and pan feeding end reduces in proper order to discharge end sifting surface angle, and the eccentric vibrator of piece is installed at sieve roof portion, and drive arrangement installs and is connected with the eccentric vibrator transmission of piece in sieve case one side.

2. The round motion banana screen of claim 1 wherein: the eccentric vibrators of each group comprise two eccentric vibrators and a transmission shaft, the two eccentric vibrators are correspondingly arranged on the side plates on two sides of the screen box respectively, and the two eccentric vibrators are connected through the transmission shafts in a transmission mode.

3. The round motion banana screen of claim 1 wherein: all be provided with strutting arrangement on the support, strutting arrangement includes fixing base and damping spring, and the fixing base passes through damping spring to be installed on the support, and the fixing base includes that one is high one and is two pressure seats that the step shape set up, presses to be provided with the clamp plate on the seat, and the welding has two supporting beam on the sieve case, and two supporting beam one end correspond to be located two and press on the seat, and the clamp plate covers on a supporting beam to connect through bolt and pressure seat cooperation.

4. The round motion banana screen of claim 1 wherein: the driving device comprises a mounting seat, a motor, a speed reducer and a belt cover, the motor seat extends outwards along the horizontal direction and is provided with a motor seat, the motor is installed on the motor seat, the speed reducer is installed at the top of the mounting seat, the motor is connected through a V-belt in a transmission mode, and the belt cover is sleeved on the belt.

5. The round motion banana screen of claim 4 wherein: the motor base is further provided with a waist-shaped hole, the motor is connected with the waist-shaped hole through a bolt, and the motor base of the motor and the mounting seat support is further provided with a limiting assembly.

6. The round motion banana screen of claim 3 wherein: the limiting assembly comprises a fixing block, a lead screw ejector rod and a threaded sleeve, the fixing block is installed on the motor base, a hole is formed in the middle of the fixing block, the threaded sleeve is installed in the hole, the threaded sleeve is an internal thread, and the lead screw ejector rod is matched and screwed in the threaded sleeve.

7. The round motion banana screen of claim 1 wherein: and a supporting beam reinforcing plate is further arranged on the side plates on the two sides of the screen box, and a lifting reinforcing beam is further arranged at the top of each side plate.

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