CN212442071U

CN212442071U - Powder wind-force screening separator

Info

Publication number: CN212442071U
Application number: CN202020591174.0U
Authority: CN
Inventors: 陈锋
Original assignee: Auto System Tianjin Automation Technology Co ltd
Current assignee: Auto System Tianjin Automation Technology Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2021-02-02
Anticipated expiration: 2030-04-20

Abstract

The utility model relates to the technical field of material screening and separating equipment, in particular to a powder material wind screening and separating device, which comprises a screening box, wherein the inside of the screening box is sequentially provided with a material storage area, a first wind screening area, a second wind screening area and a material collecting area from top to bottom; a first material receiving box is arranged on one side of the first wind power screening area, and a second material receiving box is arranged on one side of the second wind power screening area; an air blower is installed outside the screening box, the air outlet end of the air blower is connected with a first air outlet pipe and a second air outlet pipe, and the first air outlet pipe is communicated with the first wind screening area and is provided with a first regulating valve; the second air outlet pipe is communicated with the second wind power screening area and is provided with a second regulating valve. The powdery materials sequentially fall into the first wind power screening area and the second wind power screening area through the storage hopper of the storage area, and secondary screening is carried out, so that three kinds of powdery materials with different quality grades are effectively screened.

Description

Powder wind-force screening separator

Technical Field

The utility model relates to a material screening splitter technical field especially relates to a powder wind-force screening separator.

Background

The screening equipment is one of mining equipment, and is mainly used for screening and classifying ores or ore powder and classifying the ores or ore powder according to conditions such as size and quality of materials.

Traditional screening mode is through the screen cloth vibration with thick material, thin material separation, needs the long-time vibration of screen cloth by a wide margin in the screening process, very big reduction equipment's life itself, produces very big noise simultaneously, causes the pollution to the environment. Moreover, since the fine material often contains a large amount of powdery material, the screen is often blocked in the screening process, even mechanical failure is caused, and the service life of the machine and the product quality are affected.

In addition, the conventional vibration screening process is difficult to screen the powdery materials at one time, and the fine materials after the first screening are subjected to secondary vibration screening to separate the fine materials from the powdery materials, so that the production cost is increased, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a powder wind-force screening separator to overcome the screen cloth that exists among the prior art screening mode and easily block up, problem that the screening efficiency is low.

In order to achieve the above purpose, the basic scheme of the utility model is as follows: a powder wind screening and separating device comprises a screening box, wherein a material storage area, a first wind screening area, a second wind screening area and a material collecting area are sequentially arranged in the screening box from top to bottom, a material storage hopper for containing materials is arranged in the material storage area, a partition plate is arranged between the material storage area and the first wind screening area, and an opening for allowing the materials in the material storage hopper to pass through is formed in the partition plate; a first material receiving box is arranged on one side of the first wind power screening area, a second material receiving box is arranged on one side of the second wind power screening area, an inclined material guide plate is arranged between the first wind power screening area and the second wind power screening area, and a through groove for passing materials is formed between the material guide plate and the inner wall of the screening box; the outer wall of the screening box is provided with an air blower, the air outlet end of the air blower is connected with a first air outlet pipe and a second air outlet pipe, the first air outlet pipe is communicated with the first wind screening area, and the first air outlet pipe is provided with a first adjusting valve; and the second air outlet pipe is communicated with the second wind power screening area, and a second regulating valve is installed on the second air outlet pipe.

Furthermore, the bottom of the partition plate is provided with a cover plate for intermittently sealing the opening in a sliding manner, and the bottom of the partition plate is provided with a sliding chute in sliding fit with the cover plate.

Furthermore, the outer wall of the screening box is also provided with a driving assembly for driving the cover plate to slide, the driving assembly comprises a driving motor fixed on the outer wall of the screening box, an output shaft of the driving motor is coaxially and fixedly connected with a rotary table, a connecting rod is hinged to the position, deviating from the circle center, of the disc surface of the rotary table, and the other end of the connecting rod penetrates through the screening box and stretches into the screening box and is hinged to the cover plate.

Further, a first spring is connected between the top of the storage hopper and the screening box, and a telescopic corrugated pipe is connected between the bottom of the storage hopper and the opening of the partition plate.

Further, the top of screening case is installed and is can be with the mutual pressure sensor who contradicts in storage hopper top, screening case externally mounted has bee calling organ, bee calling organ is connected with pressure sensor electricity.

Further, install the vibration subassembly on the stock guide, the vibration subassembly is including setting up the bottom plate in the stock guide below, one side of bottom plate is fixed at screening incasement wall, and is connected with the second spring between bottom plate and the stock guide, be equipped with a plurality of protruding rollers between bottom plate and the stock guide, and the protruding portion of protruding roller can intermittent type conflict stock guide, the protruding roller rotates and installs in the screening incasement, and screens the incasement wall and install and be used for driving protruding roller pivoted transmission case.

Compared with the prior art, the scheme has the beneficial effects that:

1. powdery material holds in the storage hopper, utilizes driving motor to drive the carousel and rotates, makes the carousel pass through the connecting rod and drives apron along spout reciprocating motion, makes the opening of division board open intermittently, and powdery material can enter into first wind-force screening district by lot to improve the screening effect.

2. The powdery materials sequentially fall into the first wind power screening area and the second wind power screening area through the storage hopper of the storage area, and secondary screening is carried out, so that three kinds of powdery materials with different quality grades are effectively screened.

3. After the powdery material in the storage hopper runs off gradually, first spring can stretch the storage hopper to its pressure sensor conflict each other with screening roof portion, and pressure sensor converts pressure signal into the signal of telecommunication and conducts to bee calling organ, bee calling organ work to remind operating personnel to the storage hopper supplemental material.

Drawings

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

fig. 2 is a schematic sectional view of the present invention.

Reference numerals in the drawings of the specification include: screening case 1, case lid 11, bee calling organ 12, pressure sensor 13, division board 2, opening 21, storage hopper 3, bellows 31, first spring 32, first connect workbin 4, first filter screen 41, second connect workbin 5, second filter screen 51, driving motor 6, carousel 61, connecting rod 62, apron 63, mounting bracket 64, air-blower 7, first tuber pipe 71, second tuber pipe 72, first governing valve 73, second governing valve 74, mount 75, stock guide 8, bottom plate 81, second spring 82, transmission case 9, nose roller 91.

Detailed Description

The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:

example (b):

the utility model provides a powder wind-force screening separator, as shown in fig. 1 and 2, including screening case 1, screening case 1 top is equipped with case lid 11 that can overturn, from top to bottom be the storage area in the screening case 1 in proper order, first wind-force screening district, second wind-force screening district and aggregate bin, be equipped with the storage hopper 3 that is used for holding the material in the storage area, be connected with first spring 32 between the top of storage hopper 3 and the screening case 1, pressure sensor 13 that can contradict each other with storage hopper 3 top is installed at the top of screening case 1, pressure sensor 13's model is PT124G-111, screening case 1 externally mounted has bee calling organ 12 of HRB-N80 model, bee calling organ 12 is connected with pressure sensor 13 electricity.

As shown in fig. 2, a partition plate 2 is disposed between the storage area and the first wind power screening area, an opening 21 for passing the material in the storage hopper 3 is formed in the partition plate 2, and a telescopic bellows 31 is connected between the bottom of the storage hopper 3 and the opening 21 of the partition plate 2. The bottom of the partition board 2 is slidably provided with a cover plate 63 for intermittently closing the opening 21, and the bottom of the partition board 2 is provided with a chute which is in sliding fit with the cover plate 63. The outer wall of screening case 1 still is equipped with and is used for driving the gliding drive assembly of apron 63, and drive assembly is including fixing driving motor 6 on the mounting bracket 64 of screening case 1 outer wall, and the coaxial fixedly connected with carousel 61 of driving motor 6's output shaft, and the position of the skew centre of a circle of the quotation of carousel 61 articulates there is connecting rod 62, and the other end of connecting rod 62 runs through and stretches into in the screening case 1 and articulated with apron 63.

As shown in fig. 1 and 2, a first material receiving box 4 is arranged on one side of the first wind power screening area, a first filter screen 41 is arranged in the first material receiving box 4, a second material receiving box 5 is arranged on one side of the second wind power screening area, a second filter screen 51 is arranged in the second material receiving box 5, and a plurality of air outlets are arranged on the side walls of the first material receiving box 4 and the second material receiving box 5. An inclined material guide plate 8 is arranged between the first wind power screening area and the second wind power screening area, and a through groove for materials to pass through is formed between the material guide plate 8 and the inner wall of the screening box 1; the below of stock guide 8 is equipped with bottom plate 81, and one side of bottom plate 81 is fixed at screening case 1 inner wall, and is connected with second spring 82 between bottom plate 81 and the stock guide 8, is equipped with a plurality of protruding rollers 91 between bottom plate 81 and the stock guide 8, and the protruding portion of protruding roller 91 can be intermittent type contradict stock guide 8, and protruding roller 91 rotates to be installed in screening case 1, and the outer wall of screening case 1 installs and is used for driving protruding roller 91 pivoted transmission case 9.

As shown in fig. 2, a blower 7 is mounted on a fixing frame 75 on the outer wall of the screening box 1, an air outlet end of the blower 7 is connected with a first air outlet pipe 71 and a second air outlet pipe 72, the first air outlet pipe 71 is communicated with the first wind screening area, and a first adjusting valve 73 is mounted on the first air outlet pipe 71; the second air outlet pipe 72 is communicated with the second wind screening area, and a second regulating valve 74 is installed on the second air outlet pipe 72.

The specific implementation mode of the scheme is as follows:

firstly, opening a box cover 11 at the top of a screening box 1, and then pouring powdery materials to be screened into a storage hopper 3 of a storage area; in the initial state, the cover plate 63 seals the opening 21 of the partition plate 2, the powder material is accommodated in the storage hopper 3 and the bellows 31, the storage hopper 3 increases its own weight and moves downward for a certain distance due to the filling of the powder material, so that the top of the storage hopper 3 is separated from the pressure sensor 13 at the top of the screening box 1 and is abutted against the pressure sensor, and the first spring 32 at the top of the storage hopper 3 is stretched.

Then, the air blower 7 and the driving motor 6 are started, and the first regulating valve 73 and the second regulating valve 74 are regulated, so that the wind power of the second wind power screening area is larger than that of the first wind power screening area; an output shaft of the driving motor 6 drives the rotary disc 61 to rotate at a constant speed, the rotary disc 61 drives the cover plate 63 at the bottom of the partition plate 2 to reciprocate along a chute on the partition plate 2 through the connecting rod 62, so that the opening 21 of the partition plate 2 is intermittently opened, the powdery material in the storage hopper 3 falls into a first wind power screening area of the screening box 1 in batches through the corrugated pipe 31 and the opening 21 of the partition plate 2, the first wind power screening area screens the powdery material at a first stage, the powdery material with the minimum quality is blown into a first material receiving box 4 by wind power from the first air outlet pipe 71, the rest of the powdery material enters a second wind power screening area from a through groove between the guide plate 8 and the inner wall of the screening box 1 under the action of the self gravity of the rest of the powdery material, a part of the powdery material falls onto the guide plate 8 in the falling process and adheres to the surface of the guide plate 8, and the transmission box 9 is used for, the convex portions of the convex rollers 91 intermittently abut against the material guide plate 8, so that the material guide plate 8 continuously vibrates, and the powdery material attached to the surface of the material guide plate 8 is shaken off and enters the second wind power screening area along the inclined material guide plate 8.

The powdery materials in the second wind power screening area are screened for the second stage in the second wind power screening area, so that the powdery materials with medium quality are blown into the second material receiving box 5 by the wind power from the second air outlet pipe 72, and the rest powdery materials fall into the material collecting area at the bottom of the screening box 1 under the action of the self gravity of the rest powdery materials, thereby completing the screening and separation of the powdery materials.

Along with the powdery material in the storage hopper 3 constantly reduces, storage hopper 3 can receive first spring 32's pulling force and upwards remove gradually, and when storage hopper 3 was the vacant state, first spring 32 extended storage hopper 3 to its pressure sensor 13 with screening case 1 top contradict each other, and pressure sensor 13 converts pressure signal into the signal of telecommunication and conducts to bee calling organ 12, and bee calling organ 12 works to remind operating personnel to supply the material to storage hopper 3.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a powder wind-force screening separator which characterized in that: the material storage and screening device comprises a screening box (1), wherein a material storage area, a first wind power screening area, a second wind power screening area and a material collection area are sequentially arranged in the screening box (1) from top to bottom, a material storage hopper (3) used for containing materials is arranged in the material storage area, a partition plate (2) is arranged between the material storage area and the first wind power screening area, and an opening (21) for allowing the materials in the material storage hopper (3) to pass through is formed in the partition plate (2); a first material receiving box (4) is arranged on one side of the first wind power screening area, a second material receiving box (5) is arranged on one side of the second wind power screening area, an inclined material guide plate (8) is arranged between the first wind power screening area and the second wind power screening area, and a through groove for materials to pass is formed between the material guide plate (8) and the inner wall of the screening box (1); an air blower (7) is installed on the outer wall of the screening box (1), the air outlet end of the air blower (7) is connected with a first air outlet pipe (71) and a second air outlet pipe (72), the first air outlet pipe (71) is communicated with the first wind screening area, and a first adjusting valve (73) is installed on the first air outlet pipe (71); and the second air outlet pipe (72) is communicated with the second wind screening area, and a second regulating valve (74) is installed on the second air outlet pipe (72).

2. The pneumatic powder screening and separating device of claim 1, wherein: the bottom of the partition plate (2) is provided with a cover plate (63) used for intermittently sealing the opening (21) in a sliding manner, and the bottom of the partition plate (2) is provided with a sliding chute in sliding fit with the cover plate (63).

3. The pneumatic powder screening and separating device of claim 2, wherein: the outer wall of screening case (1) still is equipped with and is used for driving the gliding drive assembly of apron (63), drive assembly is including fixing driving motor (6) at screening case (1) outer wall, the coaxial fixedly connected with carousel (61) of output shaft of driving motor (6), the position of the skew centre of a circle in quotation of carousel (61) articulates there is connecting rod (62), the other end of connecting rod (62) runs through and stretches into in screening case (1) and articulated with apron (63).

4. The pneumatic powder screening and separating device of claim 1, wherein: a first spring (32) is connected between the top of the storage hopper (3) and the screening box (1), and a telescopic corrugated pipe (31) is connected between the bottom of the storage hopper (3) and the opening (21) of the partition plate (2).

5. The pneumatic powder screening and separating device of claim 4, wherein: the top of screening case (1) is installed and is pressed against pressure sensor (13) each other with storage hopper (3) top, screening case (1) externally mounted has bee calling organ (12), bee calling organ (12) are connected with pressure sensor (13) electricity.

6. The pneumatic powder screening and separating device of claim 1, wherein: install the vibration subassembly on stock guide (8), the vibration subassembly is including setting up bottom plate (81) in stock guide (8) below, one side of bottom plate (81) is fixed at screening case (1) inner wall, and is connected with second spring (82) between bottom plate (81) and stock guide (8), be equipped with a plurality of protruding rollers (91) between bottom plate (81) and stock guide (8), and protruding portion of protruding roller (91) can intermittent type conflict stock guide (8), protruding roller (91) rotate to be installed in screening case (1), and screen case (1) outer wall and install and be used for driving protruding roller (91) pivoted transmission case (9).