CN220239180U - Screening plant is used in refractory material production - Google Patents

Abstract

The utility model belongs to the technical field of refractory material production, and particularly relates to a screening device for refractory material production, which comprises a material box, wherein a first motor is arranged outside the material box, a screening box is arranged in the material box, a plurality of screening holes are formed in the screening box, arc-shaped blocks are arranged on two sides of the screening box, a telescopic column is arranged on the screening box, an output shaft of the first motor is connected with the upper end of the telescopic column, a spring is sleeved outside the telescopic column, two one-way ratchet wheels are arranged on the rear side of the screening box and are in chain transmission connection with each other, a second motor is arranged on the rear side of the screening box, a stirring shaft and a rotating shaft are arranged in the screening box, the stirring shaft and the rotating shaft extend into the two one-way ratchet wheels respectively, ratchet teeth are arranged on the stirring shaft and the rotating shaft respectively, and a plurality of stirring rods are arranged on the stirring shaft. According to the utility model, through the swing and up-and-down reciprocating movement of the screening box and the cooperation of the stirring rod, the refractory material can be separated from large-particle impurities through the screening holes, and the screened material and the large-particle impurities can be collected through the material guide plate and the material outlet door.

Description

Screening plant is used in refractory material production

Technical Field

The utility model belongs to the technical field of refractory material production, and particularly relates to a screening device for refractory material production.

Background

The refractory material is an inorganic nonmetallic material with the refractoriness not lower than 1580 ℃, when the refractory material is produced by adopting a sintering method, part of raw materials are usually required to be pre-sintered into clinker, crushed and screened, then mixed with the raw materials according to a certain proportion, and the raw materials are required to be screened after being crushed and ground, and the raw materials are graded by powder materials with different granularities, so that the closest packing can be ensured to obtain a compact blank, and therefore, large-volume impurities mixed in the refractory material are required to be screened out by virtue of a screening device, so that the purity of the refractory material is ensured.

In the existing screening device for refractory material production, the swinging force generated by a vibrating motor is generally used as the driving force for screening work, the refractory material can only receive the impact force which circulates back and forth in one direction, and the screening effect is poor; common screening devices also include screens on which the material is placed for screening.

The screening modes are poor in screening effect, large-particle impurities in the refractory material cannot be completely screened out, and the screened raw materials and the raw materials left on the screen are not easy to collect.

Disclosure of Invention

The utility model provides a screening device for refractory material production, which aims to solve the problems that the screening effect of the screening device for refractory material production is poor and the screened impurities and raw materials are inconvenient to collect.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the utility model provides a screening plant is used in refractory material production, includes the material case, the fixed first motor that sets up in the material case outside, be provided with one side open-ended screening case in the material case, screening case open-ended one side and material incasement wall contact, the cross-section of screening case is semi-circular, and a plurality of screening holes are seted up to circumference on its arc surface, all fixed the setting arc piece on two sides that the material incasement is relative, the arc piece is located screening case both sides, screening case top is fixed to be provided with the telescopic column, the output shaft of first motor runs through material case side and telescopic column upper end fixed connection, the telescopic column outside cover is equipped with the spring to swing about the telescopic column direction makes refractory material therein constantly roll, and qualified refractory material of particle diameter discharges from the screening hole.

The screening box is provided with two unidirectional ratchets with the opposite side external rotation of opening, two unidirectional ratchets' rotation direction is opposite, and two unidirectional ratchet chain drive are connected, screening box outside is fixed to set up the second motor, the output shaft and one of them unidirectional ratchet fixed connection of second motor, be provided with (mixing) shaft and pivot in the screening box, the (mixing) shaft runs through screening box side and stretches into two unidirectional ratchets respectively with the pivot in, be provided with respectively in (mixing) shaft and the pivot with two unidirectional ratchets assorted thorns, be located screening box circumference evenly sets up a plurality of puddlers on the (mixing) shaft, and the second motor corotation, the (mixing) shaft rotates, and then the puddler rotates, carries out further stirring to refractory material, guarantees screening effect, and after screening finishes, the second motor reverses, and the puddler does not turn to the pivot and rotates.

Preferably, the part that the pivot is located screening incasement sets up two-way screw thread, the slip is provided with the push pedal in the screening case, the push pedal is run through by the pivot and with pivot threaded connection, and when the pivot rotated, through the fore-and-aft movement of two-way screw thread control push pedal, and then release the large granule impurity of screening out and collect and avoid its influence screening next time.

Preferably, through holes corresponding to the stirring shaft and the stirring rod are formed in the pushing plate, so that smooth movement of the pushing plate is ensured.

Preferably, a feeding pipe is further arranged above the screening box, a feeding hopper is arranged above the feeding pipe, and the refractory material with screening is added into the screening box through the feeding hopper and the feeding pipe.

Preferably, two ejector blocks are fixedly arranged in the material box, the ejector blocks are respectively positioned above the two arc-shaped blocks, and the material box is prevented from being swung out when the screening box swings through the ejector blocks.

Preferably, the screening case below is provided with the stock guide, the stock guide is the infundibulate setting, the stock guide below is provided with the material receiving box, the material receiving box is located material receiving box below, makes the refractory material of screening out get into the material receiving box through the stock guide and collects.

Preferably, the material box is provided with a discharging door, the discharging door is matched with the cambered surface at the lower side of the screening box and corresponds to the opening of the screening box, and the screened impurities in the large warehouse are discharged and collected through the discharging door.

Preferably, a support column is arranged below the material box, and the material box is supported by the support column.

Through the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the screening box is driven to swing through the first motor, and the refractory materials therein are driven to continuously roll, so that the screening of the refractory materials is realized.

2. When screening case swing in-process, shelves period motion to both ends, the lower extreme top of screening case is on the arc piece for flexible post shortens, and the spring compression leaves the extension of flexible post behind the arc piece, and the spring resets, and in this process, the screening case is constantly swung from top to bottom along flexible post direction, and then refractory material wherein constantly rolls, further strengthens the screening effect to refractory material in the screening case, makes the qualified refractory material of particle diameter discharge from the screening hole.

3. In the swing process of the screening box, the second motor positively rotates to drive the stirring shaft to rotate, so that the stirring rod rotates to ensure continuous stirring of refractory materials in the screening box, and the screening effect is further enhanced.

4. In the preferred scheme, after screening is finished, the discharging door is opened, the second motor is reversed, the stirring shaft is not rotated at the moment through the cooperation of a ratchet wheel and extrusion, the rotating shaft rotates, and under the action of bidirectional threads, the push plate moves forwards to push out large-particle impurities sunk in the screening box, and then the large-particle impurities are reset.

5. In the preferred scheme, through the setting of two kicking blocks, avoid screening case swing in-process pendulum out the material case, and then make the refractory material of screening fly out the material case, cause the waste.

Drawings

Fig. 1 is a schematic structural diagram of the present utility model.

Fig. 2 is a schematic structural diagram of the second embodiment of the present utility model.

Fig. 3 is a schematic diagram of a third embodiment of the present utility model.

FIG. 4 is a schematic view of two ratchet wheels according to the present utility model.

Fig. 5 is a schematic structural view of the hidden discharge door of the present utility model.

The reference numerals in the drawings are: the material box 1, the first motor 2, the screening box 3, the arc-shaped block 4, the telescopic column 5, the spring 6, the unidirectional ratchet 7, the second motor 8, the stirring shaft 9, the rotating shaft 10, the ratchet teeth 11, the stirring rod 12, the bidirectional screw threads 13, the pushing plate 14, the feeding pipe 15, the feeding hopper 16, the top block 17, the material guide plate 18, the material receiving box 19, the discharging door 20 and the supporting column 21.

Detailed Description

The utility model is further described with reference to the drawings and detailed description which follow:

the present solution is based on the direction shown in fig. 1, with the position of the first motor 2 being the rear side and the position of the reference numeral 17 being the right side.

As shown in fig. 1 to 4, this embodiment provides a screening plant for refractory material production, including material case 1, material case 1 below is provided with support column 21, material case 1 rear side is fixed to be set up first motor 2, be provided with front side open-ended screening case 3 in the material case 1, screening case 3 top still is provided with inlet pipe 15, the inlet pipe 15 top sets up feeder hopper 16, will wait to sieve the refractory material of screening case 3 through feeder hopper 16 and inlet pipe 15, screening case 3 front side and material case 1 inner wall contact, the reciprocal swing of first motor 2 drive screening case 3 left and right sides, fixed being provided with two kicking blocks 17 between the inner wall around the material case 1, through two kicking blocks 17, avoid screening case 3 swing in-process pendulum material case 1 outside, and then make the refractory material of screening fly out of material case 1 outside, the cross-section of screening case 3 is semicircular, and sets up a plurality of screening holes on its circumference, and the refractory material that the particle size is qualified can be discharged from the screening hole.

Arc blocks 4 are fixedly arranged on the left and right inner walls of the material box 1, the arc blocks 4 are positioned on two sides of the screening box 3, a telescopic column 5 is fixedly arranged above the screening box 3, an output shaft of the first motor 2 penetrates through the rear side surface of the material box 1 and is fixedly connected with the upper end of the telescopic column 5, a spring 6 is sleeved on the outer side of the telescopic column 5, the telescopic column 5 is driven to reciprocate by the first motor 2, and then the screening box 3 swings reciprocally, so that refractory materials in the screening box 3 roll continuously, and screening effect is guaranteed; when screening case 3 swing to its lower extreme support on arc piece 4, along with screening case 3 continues the upward swing, under arc piece 4 effect, flexible post 5 shortens, and spring 6 compresses, when screening case 3 whereabouts and leave arc piece 4, under screening case 3 dead weight and spring 6 effect, flexible post 5 extends, along with the continuous swing of screening case 3, flexible post 5 constantly withdraws, extends, screening case 3 constantly reciprocating motion along with it, strengthens the effect of rolling to refractory material in the screening case 3, and then further strengthens the screening effect to refractory material.

The rear side of the screening box 3 is rotatably provided with two unidirectional ratchets 7, the rotation directions of the two unidirectional ratchets 7 are opposite, namely, the inclined directions of inner inclined grooves of the two unidirectional ratchets 7 are opposite, the two unidirectional ratchets 7 are connected in a chain transmission manner, the two unidirectional ratchets 7 synchronously rotate, the rear side of the screening box 3 is fixedly provided with a second motor 8, an output shaft of the second motor 8 is fixedly connected with one unidirectional ratchet 7, the screening box 3 is internally provided with a stirring shaft 9 and a rotating shaft 10, the stirring shaft 9 and the rotating shaft 10 penetrate through the rear side of the screening box 3 and respectively extend into the two unidirectional ratchets 7, the stirring shaft 9 and the rotating shaft 10 are respectively provided with ratchet teeth 11 matched with the two unidirectional ratchets 7, the unidirectional ratchets 7 and the ratchet teeth 11 are jointly combined into a unidirectional ratchet structure similar to a rear wheel of a bicycle, and a plurality of stirring rods 12 are uniformly arranged on the stirring shaft 9 in the screening box 3 in the circumferential direction, as shown in fig. 1, and the initial state of the stirring rods 12; in the swinging process of the screening box 3, when the second motor 8 rotates positively, the two unidirectional ratchet wheels 7 are driven to rotate, and then the stirring shaft 9 is driven to rotate through ratchet teeth 11 on the stirring shaft 9, and then the stirring rod 12 is driven to rotate, so that the rolling effect of refractory materials in the screening box 3 is further enhanced, the effective screening of the refractory materials is ensured, and in the process, spring steel sheets of ratchet teeth 11 on the rotating shaft 10 are compressed, so that the rotating shaft 10 does not rotate; when screening is finished, the stirring rod 12 is reset, the second motor 8 is reversed, and then the two ratchets 7 are reversed, at the moment, the spring steel sheet of the ratchet teeth 11 on the stirring shaft 9 is compressed, the stirring shaft 9 does not rotate, and the ratchet teeth 11 on the rotating shaft 10 drive the rotating shaft 10 to rotate.

The front side of the material box 1 is provided with a discharging door 20, the discharging door 20 is matched with the cambered surface of the lower side of the screening box 3 and corresponds to the front side opening of the screening box 3, after screening is finished, the discharging door 20 is opened, the part of the rotating shaft 10, which is positioned in the screening box 3, is provided with a bidirectional thread 13, the inside of the screening box 3 is provided with a push plate 14 in a back-and-forth sliding manner, the push plate 14 is penetrated by the rotating shaft 10 and is in threaded connection with the rotating shaft 10, the rotating shaft 10 drives the push plate 14 to move forwards in the rotating process, large-particle impurities screened in the screening box 3 are pushed out from the position of the discharging door 20 to be collected, and the push plate 14 moves backwards to reset along with the continuous rotation of the rotating shaft 10.

Through holes corresponding to the stirring shaft 9 and the stirring rod 12 are formed in the push plate 14, and when the sieving is completed, the stirring rod 12 is reset to an initial state as shown in fig. 1.

The screening case 3 below is provided with the stock guide 18, the stock guide 18 is the infundibulate setting, stock receiving box 19 is provided with to stock guide 18 below, stock receiving box 19 is located material case 1 below, and the refractory material of follow screening hole discharge gets into stock receiving box 19 under the effect of stock guide 18 and stores.

When the screening box is used, firstly, refractory materials to be screened are added into the screening box 3 through the feed hopper 16 and the feed pipe 15, then the first motor 2 is started, the telescopic column 5 is driven to rotate in a reciprocating mode through the first motor 2, and then the screening box 3 swings in a reciprocating mode, refractory materials in the screening box 3 are enabled to roll continuously, screening effect is guaranteed, the bottom of the screening box 3 abuts against the arc-shaped block 4 along with the continuous upward swing of the screening box 3, the telescopic column 5 is shortened under the action of the arc-shaped block 4, the spring 6 is compressed, when the screening box 3 falls down and leaves the arc-shaped block 4, the telescopic column 5 stretches under the action of the dead weight of the screening box 3 and the spring 6, the telescopic column 5 continuously retracts and stretches along with the continuous swing of the screening box 3, the screening box 3 continuously reciprocates, the rolling effect on the refractory materials in the screening box 3 is enhanced, and the screening effect on the refractory materials is further enhanced.

Meanwhile, the second motor 8 is started, in the swing process of the screening box 3, the second motor 8 rotates positively to drive the two unidirectional ratchets 7 to rotate, then the ratchet teeth 11 on the stirring shaft 9 drive the stirring shaft 9 to rotate to drive the stirring rod 12 to rotate, the rolling effect of the refractory materials in the screening box 3 is further enhanced, the effective screening of the refractory materials is ensured, in the process, the spring steel sheet of the ratchet teeth 11 on the rotating shaft 10 is compressed, the rotating shaft 10 does not rotate, and the refractory materials discharged from the screening holes in the screening process enter the material receiving box 19 for storage under the action of the material guiding plate 18.

When screening is completed, the screening box 3 and the stirring rod 12 are reset to be shown in fig. 1, the stirring rod 12 corresponds to a through hole formed in the push plate 14, the discharge door 20 is opened, the second motor 8 is driven to rotate reversely, and then the two ratchets 7 rotate reversely, at the moment, spring steel sheets of ratchet teeth 11 on the stirring shaft 9 are compressed, the stirring shaft 9 does not rotate, ratchet teeth 11 on the rotating shaft 10 drive the rotating shaft 10 to rotate, the rotating shaft 10 drives the push plate 14 to move forwards in the rotating process, large-particle impurities screened in the screening box 3 are pushed out from the position of the discharge door 20 to be collected, and the push plate 14 moves backwards to reset along with the continuous rotation of the rotating shaft 10.

The above-described embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent changes or modifications of the structure, characteristics and principles described in the claims should be included in the scope of the present utility model.

Claims (8)

1. The utility model provides a screening plant is used in refractory material production, includes material case (1), its characterized in that, material case (1) outside is fixed to be set up first motor (2), be provided with one side open-ended screening case (3) in material case (1), screening case (3) open-ended one side and material case (1) inner wall contact, screening case (3) cross-section is semi-circular, and circumference sets up a plurality of screening holes on its arc, all fixed arc piece (4) on two sides that are relative in material case (1), arc piece (4) are located screening case (3) both sides, screening case (3) top is fixed to be provided with telescopic column (5), the output shaft of first motor (2) runs through material case (1) side and telescopic column (5) upper end fixed connection, telescopic column (5) outside cover is equipped with spring (6);

the screening case (3) is provided with two unidirectional ratchet wheels (7) with the opposite side external rotation of opening, two the rotation direction of unidirectional ratchet wheel (7) is opposite, and two unidirectional ratchet wheels (7) chain drive are connected, screening case (3) outside is fixed to be set up second motor (8), the output shaft of second motor (8) and one of them unidirectional ratchet wheel (7) fixed connection, be provided with (mixing) shaft (9) and pivot (10) in screening case (3), (mixing) shaft (9) run through screening case (3) side and stretch into respectively in two unidirectional ratchet wheels (7) with pivot (10), be provided with respectively on (mixing) shaft (9) and pivot (10) with two unidirectional ratchet wheel (7) assorted ratchet tooth (11), be located on (mixing) shaft (9) circumference evenly sets up a plurality of puddler (12).

2. A screening arrangement for refractory production according to claim 1, wherein the portion of the shaft (10) located in the screening box (3) is provided with a bi-directional screw thread (13), a push plate (14) is slidably arranged in the screening box (3), and the push plate (14) is penetrated by the shaft (10) and is in screw connection with the shaft (10).

3. A screening device for refractory production according to claim 2, wherein the push plate (14) is provided with through holes corresponding to the stirring shaft (9) and the stirring rod (12).

4. A screening device for refractory production according to claim 1, wherein a feed pipe (15) is further arranged above the screening box (3), and a feed hopper (16) is arranged above the feed pipe (15).

5. A screening device for refractory production according to claim 1, wherein two top blocks (17) are fixedly arranged in the material box (1), and the top blocks (17) are respectively arranged above the two arc-shaped blocks (4).

6. A screening device for refractory production according to claim 1, characterized in that a guide plate (18) is arranged below the screening box (3), the guide plate (18) is arranged in a funnel shape, a receiving box (19) is arranged below the guide plate (18), and the receiving box (19) is arranged below the material box (1).

7. A screening device for refractory production according to claim 1, wherein the material box (1) is provided with a discharge gate (20), and the discharge gate (20) is matched with the cambered surface of the lower side of the screening box (3) and corresponds to the opening of the screening box (3).

8. A screening device for refractory production according to claim 1, wherein a supporting column (21) is arranged below the material box (1).