CN212702209U

CN212702209U - Material screening circulation reducing mechanism

Info

Publication number: CN212702209U
Application number: CN202020993638.0U
Authority: CN
Inventors: 张永超
Original assignee: Zhengzhou Sijihuo Refractory Co ltd
Current assignee: Zhengzhou Sijihuo Refractory Co ltd
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-03-16
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a material screening circulation reducing mechanism, including reducing mechanism and screening plant, screening plant sets up the sieve between sieve workbin and reducing mechanism's discharge gate including sieve workbin and slope, the low side of sieve extends the sieve workbin and is located outside the sieve workbin, the low side below of sieve is provided with the feed back storehouse, be provided with feed back conveyor between feed back storehouse and reducing mechanism's the feed inlet. The utility model provides a material screening circulation reducing mechanism sieves through the screening machine after comminuted, the less comminuted of particle size leaks down from the sieve, fall into the sieve workbin, the particle size is great, the comminuted that does not reach the requirement then can't pass through the sieve, along the sieve from the low side landing of sieve to the feed back storehouse downwards, then the material in the feed back storehouse is smashed in getting back to reducing mechanism again through feed back conveyor, make the material in the crushing incasement can both smash below the appointed particle size.

Description

Material screening circulation reducing mechanism

Technical Field

The utility model relates to a refractory material processing technology field, concretely relates to material screening circulation reducing mechanism.

Background

In the refractory material course of working, smash the raw materials earlier, the screening, but through once smashing, often can not make all materials all smashed appointed particle size, but the kibbling time of extension is smashed repeatedly, make part material excessively smashed the powder that is the thin again easily, on the one hand, the energy consumption is wasted, the uneven homogeneous mixing who is unfavorable for the later stage material of another party's flour crushed aggregates particle size, the product quality that probably can make the obtaining is unstable, consequently one kind can sieve crushing material, make the material that does not reach appointed particle size can be smashed again, the material that reaches appointed particle size can be transported or the storage for use, improve the homogeneous degree of crushed aggregates particle size, be favorable to the energy saving, improve the stability of product quality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a material screening circulating crushing device, which solves the problem that part of materials can not be crushed to a specified particle size when a pure crushing device crushes; if the grinding time is long, the particle size of part of the material is too fine, which may cause a problem of deterioration of the quality of the refractory.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a material screening circulation reducing mechanism, includes reducing mechanism and screening plant, screening plant sets up the sieve between the discharge gate of sieve workbin and reducing mechanism including sieve workbin and slope, the low side of sieve extends the sieve workbin and is located outside the sieve workbin, the low side below of sieve is provided with the feed back storehouse, be provided with feed back conveyor between the feed inlet of feed back storehouse and reducing mechanism.

Preferably, the feed back conveying device comprises a conveying cylinder and a conveying auger which is positioned in the conveying cylinder and is coaxially arranged with the conveying cylinder, and the top end of the bottom end of the conveying auger is connected with an output shaft of the motor.

Preferably, the material conveying cylinder comprises a first cylinder body fixedly arranged and a second cylinder body sleeved on the first cylinder body and capable of sliding along the first cylinder body.

Preferably, the first cylinder is sleeved with a first flange, the second cylinder is sleeved with a second flange, and the first flange and the second flange are connected through bolts and nuts.

Preferably, the top end of the first cylinder is higher than the feed inlet of the crushing device, and a feed channel is arranged between the top end of the first cylinder and the feed inlet of the crushing device.

Preferably, the crushing device comprises a crushing barrel driven by a motor to rotate and a crushing mechanism opposite to the rotation direction of the crushing barrel, and the crushing barrel is gradually inclined downwards along the direction close to the discharge port.

Preferably, the inner wall of the crushing barrel is provided with a material buffer storage grid.

Compared with the prior art, the beneficial effects of the utility model are one of following at least:

the utility model provides a material screening circulation reducing mechanism sieves through the screening machine after comminuted, the less comminuted of particle size leaks down from the sieve, fall into the sieve workbin, the particle size is great, the comminuted that does not reach the requirement then can't pass through the sieve, along the sieve from the low side landing of sieve to the feed back storehouse downwards, then the material in the feed back storehouse is smashed in getting back to reducing mechanism again through feed back conveyor, make the material in the crushing incasement can both smash below the appointed particle size.

Through the relative position of adjustment first barrel and second barrel, the length that the defeated material auger stretches out the barrel part is adjusted to can be under the unchangeable circumstances of defeated material auger rotational speed, the defeated material speed of adjustment, thereby the load of adjustment reducing mechanism is favorable to promoting crushing effect.

Drawings

Figure 1 is the utility model discloses material screening circulation reducing mechanism's schematic structure diagram.

Fig. 2 is a schematic view of the connection between the first cylinder and the second cylinder of the present invention.

Fig. 3 is a schematic view of the inner wall structure of the crushing cylinder of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a material screening circulation reducing mechanism 1, as shown in figure 1, includes reducing mechanism 1 and screening plant 2, screening plant 2 includes sieve workbin 22 and the sieve 21 of slope setting between the discharge gate of sieve workbin 22 and reducing mechanism 1, the low side of sieve 21 extends sieve workbin 22 and is located outside sieve workbin 22, the low side below of sieve 21 is provided with feed back storehouse 3, be provided with feed back conveyor between feed back storehouse 3 and the feed inlet of reducing mechanism 1.

The material screening circulation reducing mechanism 1 material crushing of this embodiment is followed the screening machine and is sieved after the material crushing, the less crushing material of particle diameter leaks down from sieve 21, fall into sieve workbin 22, the particle diameter is great, the crushing material that does not reach the requirement then can't pass through sieve 21, along sieve 21 downwards from sieve 21's low side landing to feed back storehouse 3, then the material in feed back storehouse 3 gets back to crushing mechanism 1 through feed back conveyor again and smashes, make the material in the crushing incasement can both smash below the appointed particle diameter.

The sieve plate 21 can be selected to have different specifications according to requirements so as to obtain crushed materials with different particle sizes. Can set up the feeding jar in reducing mechanism 1's feed inlet department in this embodiment, in directly adding reducing mechanism 1 with the material, also can regard feed back storehouse 3 as feed arrangement, put into feed back storehouse 3 with the straight joint of raw materials, then convey to reducing mechanism 1 through feed back conveyor, feed back conveyor wherein can be the conveyer belt, also can be the auger, also can be bucket elevator, as long as can realize the material transfer function in this application can. In addition, also can set up conveyer in the sieve feed box 22 in this application, convey kibbling material to next process, also can the manual work shift the material, and particular case can select according to the operating mode.

In this embodiment the feed back conveyor can include defeated feed cylinder 4 and be located defeated feed cylinder 4, with the defeated material auger of 4 coaxial settings of defeated feed cylinder, defeated material auger top and the output shaft of motor. Wherein, defeated material auger bottom can be provided with the clearance through bearing or other part swing joint in the bottom of feed back storehouse 3, also can with feed back 3 bottoms, as long as the auger rotates the in-process can realize the transport of material.

In this embodiment, the feeding cylinder 4 may include a first cylinder 41 fixedly disposed and a second cylinder 42 sleeved on the first cylinder 41 and capable of sliding along the first cylinder 41, as shown in fig. 2. The relative position of the first cylinder and the second cylinder 42 is adjusted to adjust the length of the part of the material conveying auger extending out of the cylinder, so that the material conveying speed can be adjusted under the condition that the rotating speed of the material conveying auger is not changed, the load of the crushing device 1 is adjusted, and the crushing effect is favorably improved. The first cylinder 41 and the motor driving the material conveying auger can be fixed by a bracket or a base and other devices.

In this embodiment, the first cylinder 41 can be sleeved with a first flange 43, the second cylinder 42 is sleeved with a second flange 44, the first flange 43 and the second flange 44 are connected through a bolt and a nut, the flanges are fixed on the cylinders, and the relative positions of the first cylinder 41 and the second cylinder 42 are adjusted by screwing or unscrewing the bolt and the nut, so as to adjust the length of the cylinders, and thus adjust the length of the auger extending out of the cylinders. It needs to point out that the adoption of this structure is only to the fine setting of feeding volume, and after the length that the auger stretches out the barrel exceeded appointed numerical value, even if the auger stretches out the length that the barrel continues to increase, can not produce the influence to feed back conveyor's transport volume again.

In this embodiment, the top end of the first cylinder 41 is higher than the feeding opening of the crushing device 1, and a feeding channel 5 may be disposed between the top end of the first cylinder 41 and the feeding opening of the crushing device 1.

The crushing device 1 in this embodiment may include a motor-driven rotation crushing barrel 11 and a crushing mechanism 12 opposite to the rotation direction of the crushing barrel 11, wherein the crushing barrel 11 is gradually inclined downwards in a direction close to the discharge port. Wherein the crushing barrel 11 can be supported by the bracket, and a bearing can be arranged between the bracket and the crushing barrel 11, so that the rotation of the crushing barrel 11 can not be influenced when the crushing barrel 11 is supported. The bottom of the crushing barrel 11 can be provided with a roller driven by a motor, the roller and the crushing barrel 11 are engaged through a gear or other structures, and the roller is adopted to drive the crushing barrel 11 to rotate. The crushing mechanism 12 comprises a central shaft connected with the output shaft of the motor and a crushing paddle driven by the central shaft, wherein the motor can be fixed on the bracket, and the central shaft and the crushing barrel are preferably coaxially arranged, so that one end of the central shaft, which is far away from the motor, can be connected onto the crushing barrel through a bearing, and the stability of the structure is increased.

In this embodiment, the inner wall of the crushing cylinder 11 may be provided with a material buffer grid 13, as shown in fig. 3. The material buffer storage lattice 13 is that the inner wall of the crushing barrel 11 is provided with crossed material blocking ridges, so that the speed of the material moving towards the discharge port is reduced, and the material can be crushed more fully.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a material screening circulation reducing mechanism which characterized in that: including reducing mechanism (1) and screening plant (2), screening plant (2) are including sieve workbin (22) and slope setting sieve (21) between the discharge gate of sieve workbin (22) and reducing mechanism (1), the low side of sieve (21) extends sieve workbin (22) and is located outside sieve workbin (22), the low side below of sieve (21) is provided with feed back storehouse (3), be provided with feed back conveyor between the feed inlet of feed back storehouse (3) and reducing mechanism (1).

2. The material screening circulating crushing device as claimed in claim 1, wherein the feed back conveying device comprises a material conveying cylinder (4) and a material conveying auger which is positioned in the material conveying cylinder (4) and is coaxial with the material conveying cylinder (4), and the top end of the bottom end of the material conveying auger is connected with an output shaft of a motor.

3. The material screening and circulating crushing device as claimed in claim 2, wherein the material conveying cylinder (4) comprises a first cylinder body (41) fixedly arranged and a second cylinder body (42) sleeved on the first cylinder body (41) and capable of sliding along the first cylinder body (41).

4. The material screening and circulating crushing device as claimed in claim 3, wherein a first flange (43) is sleeved on the first cylinder (41), a second flange (44) is sleeved on the second cylinder (42), and the first flange (43) and the second flange (44) are connected through bolts and nuts.

5. A material screening and circulating crushing device according to claim 3, characterized in that the top end of the first cylinder (41) is higher than the feeding hole of the crushing device (1), and a feeding channel (5) is arranged between the top end of the first cylinder (41) and the feeding hole of the crushing device (1).

6. The material screening and circulating crushing device as claimed in claim 1, wherein the crushing device (1) comprises a crushing barrel (11) driven by a motor to rotate and a crushing mechanism (12) opposite to the rotation direction of the crushing barrel (11), and the crushing barrel (11) is gradually inclined downwards in the direction close to the discharge hole.

7. A material screening and circulating crushing device as claimed in claim 6, characterized in that the inner wall of the crushing barrel (11) is provided with a material buffer grid (13).