CN210279780U

CN210279780U - Abrasive material conveying and screening device

Info

Publication number: CN210279780U
Application number: CN201920542343.9U
Authority: CN
Inventors: 张涛; 彭进; 邹文俊; 何亚静
Original assignee: Henan Shihu New Material Technology Co Ltd
Current assignee: Henan Shihu New Material Technology Co Ltd
Priority date: 2019-04-21
Filing date: 2019-04-21
Publication date: 2020-04-10
Anticipated expiration: 2029-04-21

Abstract

The utility model belongs to the field of abrasive screening devices, in particular to an abrasive conveying and screening device, wherein a scraping plate mechanism for flattening materials is arranged at one end of a screen close to a feed port, when the materials are fed too much, a driving mechanism drives a first scraping plate to rotate so as to horizontally spread the materials, so that one end of the screen close to the feed port in the materials is prevented from being piled into a hill shape, and the utilization rate of the screen is increased; simultaneously, be equipped with interval distribution's convex body on the first scraper blade, can scrape to the material and sweep the comb, avoid directly adopting the scraper blade of dull and stereotyped structure to sweep the reduction through scraping to the material and guaranteeing the smooth and easy motion of material on the screen cloth through the great cracked problem of scraper blade that causes of resistance, strengthened the life of scraper blade, the utility model provides a screening plant is carried to abrasive material avoids the material to pile up.

Description

Abrasive material conveying and screening device

Technical Field

The utility model belongs to abrasive material sieving mechanism field, concretely relates to screening plant is carried to abrasive material.

Background

The grinding material is sharp and hard material and is used for grinding the surface of a softer material, wherein the grinding wheel is the most important grinding material product and is formed by mixing grinding material and a bonding agent according to a certain proportion, molding and sintering the mixture, and finally, shaping, balancing and overspeed tests are carried out. At present, two main types of natural abrasives and artificial abrasives exist, and if the two types of abrasives are classified according to hardness, the two types of abrasives include super-hard abrasives and common abrasives. One of the important properties of an abrasive is its hardness, which must be harder than the material to be processed, and the hardness of various abrasives is measured by the Mohs hardness tester, and the other important property is toughness or bulk strength. Abrasive articles are made by crushing and screening all materials except powdered talc and iron oxide to a particle size of 4-900, i.e., about 6 mm to 6 microns or finer in diameter.

Since the size of the particulate material produced by crushing or grinding in the production of abrasives is not uniform, screening operations are required to suit various applications in order to use various abrasive products. In the prior art, patent document No. CN207495286U discloses an abrasive sorting machine, in which an oscillating motor and an oscillating spring are provided to roll the abrasive in an oscillating tank on an oscillating screen, and the abrasive falls into a corresponding collecting box after reaching a specified position.

However, the shale shaker among the above-mentioned patent document is the plane sieve, and for improving screening efficiency, the commodity circulation can be uninterruptedly fall into on the shale shaker from feed inlet department, though set up vibrating motor and can the certain mesh of avoiding of degree and block up, in case block up, especially the mesh of feed inlet below appears, and the material that is close to feed inlet end on the shale shaker can appear a large amount of accumulations' phenomenon, influences normal production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a screening plant is carried to abrasive material to solve among the prior art shale shaker and be close to a large amount of accumulational problems of feed inlet one end material.

The utility model discloses a screening plant is carried to abrasive material adopts following technical scheme:

the grinding material conveying and screening device comprises a rack, wherein a screen box which is horizontally arranged along the left and right directions and is provided with a feeding hole at the top is arranged on the rack, a screen used for forming the bottom surface of the screen box is arranged at the bottom of the screen box on the rack, a vibrating motor used for enabling materials on the screen to move directionally is arranged on the screen, a damping spring is arranged between the screen and the rack, a scraper mechanism used for flattening the materials is arranged at one end, close to the feeding hole, of the screen in the screen box, the scraper mechanism comprises a first scraper which is arranged at an interval with the screen and a driving mechanism which is arranged on the screen box and is rotationally connected with the first scraper through a rotating shaft extending along the up and down direction, the first scraper is provided with a first scraping surface close to one side of the screen, and a convex body extending towards the screen is arranged on the first scraping surface, the convex bodies are distributed on the first scraping surface at intervals, so that the first scraping surface is in a comb-tooth shape, and the convex bodies on the first scraping surface scrape the materials on the screen when the first scraping plate rotates.

Preferably, one surface of the first scraper far away from the screen is provided with a second scraping surface, and the second scraping surface is provided with a convex body far away from the screen and extending in the direction.

Preferably, the second sweeping surface has a convex distribution density greater than that of the first sweeping surface.

Preferably, the scraping mechanism further comprises a second scraping plate which is arranged on the rotating shaft, is arranged above the first scraping plate and is used for scraping materials together with the first scraping plate when the material accumulation thickness is larger, so that the scraping efficiency of the scraping mechanism is improved.

Preferably, the second scraper is flat.

Preferably, first scraper blade, second scraper blade all with pivot releasable connection, and corresponding scraper blade all includes the edge two of pivot symmetric distribution scrape the oar, it is close to scrape the oar the one end of pivot is for around change epaxial semicircle ring structure, and the semicircle ring structure of two scraping oars of corresponding scraper blade passes through the screw connection and then realizes that corresponding scraper blade is in change epaxial releasable connection.

Preferably, the rotating shaft is provided with a limiting ring for limiting the semi-circular structure at the upper and lower positions of the corresponding scraper.

Preferably, be equipped with on the sieve case and be used for placing actuating mechanism's mounting panel, the mounting panel with be equipped with between the sieve case and be used for the drive actuating device along the telescopic cylinder of up-and-down direction motion.

Preferably, the frame is provided with a material collecting groove which is arranged obliquely and used for collecting unqualified materials below the screen.

Preferably, the sieve box is provided with a discharge hole for discharging qualified materials at the discharge end of the sieve screen.

The utility model has the advantages that:

the utility model provides a grinding material conveying and screening device, through being equipped with the scraper mechanism that is used for shakeout the material at the screen cloth one end that is close to the feed inlet, can be when the material feeding is too much, actuating mechanism drives the rotation of first scraping plate and carries out the level of material and spread out, and then avoids the screen cloth near the one end of feed inlet to pile up into hillock form in the material, increases the rate of utilization of screen cloth; simultaneously, be equipped with interval distribution's convex body on the first scraper blade, can scrape to the material and sweep the comb, avoid directly adopting the scraper blade of dull and stereotyped structure to sweep the reduction through scraping to the material and guaranteeing the smooth and easy motion of material on the screen cloth through the great cracked problem of scraper blade that causes of resistance, strengthened the life of scraper blade, the utility model provides a screening plant is carried to abrasive material avoids the material to pile up.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural view of an embodiment of an abrasive conveying and screening apparatus of the present invention;

fig. 2 is a schematic structural diagram of a first scraper and a second scraper of the abrasive conveying and screening device according to the present invention;

FIG. 3 is a schematic view of the installation structure of the semicircular ring structure and the rotating shaft of the abrasive conveying and screening device of the present invention

Reference numerals:

1: a frame; 2: a screen box; 3: screening a screen; 4: a vibration motor; 5: a damping spring; 6: a first squeegee; 7: a rotating shaft; 8: a drive mechanism; 9: a convex body; 10: a first sweeping surface; 11: a second sweeping surface; 12: a second squeegee; 13: scraping the oar; 14: a semi-circular ring structure; 15: a connecting plate; 16: a threaded member; 17: a limiting ring; 18: mounting a plate; 19: a telescopic cylinder; 20: a material collecting groove; 21: a collection canister; 22: a discharge port; 23: a discharge plate; 24: a conveyor belt; 25: and (4) feeding a material inlet.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein and similar modifications can be made by one skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments of the substrate disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The embodiment of the abrasive conveying and screening device of the utility model, as shown in fig. 1 to 3, an abrasive conveying and screening device comprises a frame 1, a screen box 2 horizontally arranged along the left and right direction and provided with a feed inlet 25 at the top is arranged on the frame 1, a screen 3 for forming the bottom surface of the screen box 2 is arranged at the bottom of the screen box 2 on the frame 1, a vibrating motor 4 for making the material on the screen 3 move directionally is arranged on the screen 3, a damping spring 5 is arranged between the screen 3 and the frame 1, a scraping plate mechanism for flattening the material is arranged at one end of the screen 3 close to the feed inlet 25 in the screen box 2, the scraping plate mechanism comprises a first scraping plate 6 arranged at a distance from the screen 3, a driving mechanism 8 which is arranged on the screen box 2 and is rotationally connected with the first scraping plate 6 through a rotating shaft 7 extending along the up and down direction, the first scraping plate 6 is provided with a first scraping surface 10 close to one side, the first scraping surface 10 is provided with the convex bodies 9 extending towards the screen 3, the convex bodies 9 are distributed on the first scraping surface 10 at intervals, so that the first scraping surface 10 is in a comb-tooth shape, when the first scraping plate 6 rotates, the convex bodies 9 on the first scraping surface 10 scrape materials on the screen 3, specifically, a scraping plate mechanism for flattening the materials is arranged at one end, close to the feed port 25, of the screen 3, the driving mechanism 8 drives the first scraping plate to rotate to horizontally spread the materials when the materials are fed too much, one end, close to the feed port 25, of the screen 3 in the materials is prevented from being piled into a hill shape, and the utilization rate of the screen 3 is increased; simultaneously, be equipped with interval distribution's convex body 9 on the first scraper blade 6, can scrape to the material and sweep the carding, avoid directly adopting the scraper blade of dull and stereotyped structure to sweep the smooth and easy motion of guaranteeing the material on screen cloth 3 through scraping to the material and sweeping the reduction because of the great cracked problem of scraper blade that causes of resistance, strengthened the life of tube sheet, the utility model provides a screening plant is carried to the abrasive material avoids the material to pile up.

Furthermore, the surface of the first scraper 6 far away from the screen 3 is provided with a second scraping surface 11, and the second scraping surface 11 is provided with a convex body 9 extending far away from the screen 3, so that the scraping range of the first scraper 6 can be increased when the material stacking thickness is larger than that of the second scraping surface 11, specifically, the distribution density of the convex bodies 9 of the second scraping surface 11 is larger than that of the convex bodies 9 of the first scraping surface 10.

Further, the scraping mechanism further comprises a second scraping plate 12 which is arranged on the rotating shaft 7 above the first scraping plate 6 and used for scraping materials together with the first scraping plate 6 when the material accumulation thickness is large so as to improve the scraping efficiency of the scraping mechanism, and the second scraping plate 12 in the embodiment is flat.

Further, in order to adjust the up-down positions of the first scraper 6 and the second scraper 12 on the rotating shaft 7 conveniently, the first scraper 6 and the second scraper 12 are detachably connected with the rotating shaft 7, each scraper comprises two scrapers 13 symmetrically distributed along the rotating shaft 7, one end of each scraper 13 close to the rotating shaft 7 is a semicircular ring structure 14 surrounding the rotating shaft 7, the semicircular ring structures 14 of the two scrapers 13 of each scraper are connected through a screw 16 to further realize the detachable connection of the corresponding scraper on the rotating shaft 7, specifically, both ends of the semicircular ring structure 14 are provided with connecting plates 15 with connecting holes, the screw 16 is penetrated in the connecting holes, the screw 16 is specifically a bolt and is tightened by a nut, the up-down positions of the first scraper 6 and the second scraper 12 can be adjusted as required, or the two scrapers 13 with different shapes are assembled on the corresponding scraper, increased the utility model provides a screening plant is carried to abrasive material's use flexibility.

Further, in order to prevent the corresponding scrapers on the rotating shaft 7 from sliding downwards in the rotating process, limiting rings 17 for limiting the semi-circular ring-shaped structure 14 are arranged at the upper and lower positions of the rotating shaft 7 corresponding to the scrapers.

Further, be equipped with the mounting panel 18 that is used for placing actuating mechanism 8 on the sieve case 2, actuating mechanism 8 in this embodiment is the motor, is equipped with the mounting hole that is used for wearing dress pivot 7 on the sieve case 2, and the size of mounting hole is greater than pivot 7 size so that pivot 7 can stretch out and draw back from top to bottom in the mounting hole, is equipped with the telescopic cylinder 19 that is used for driving motor along the up-and-down direction motion between mounting panel 18 and the sieve case 2.

Further, frame 1 is equipped with the collecting tank 20 that is used for collecting unqualified material, the slope sets up in the below of screen cloth 3, and collecting tank 20's one end is equipped with the export and is equipped with the surge drum 21 correspondingly, is convenient for collect the unqualified material in collecting tank 20.

Further, the sieve box 2 is provided with a discharge port 22 for discharging qualified materials at the discharge end of the screen 3, a discharge plate 23 which is convenient for the materials to fall and is inclined downwards is connected to one side of the discharge port 22 on the screen 3, and a conveyor belt 24 for conveying the materials is arranged at the discharge port 22, so that the materials can be conveyed conveniently.

It should be noted that, in other embodiments of the present invention, the convex body may be hemispherical, or may be a strip; the convex body on the first scraper can be arranged at the circumferential position of the first scraper; the convex body distribution density of the second sweeping surface may be the same as the convex body distribution density of the first sweeping surface; the number of the second scrapers can be 2 or 3, and the shape of the second scrapers can be a spiral shape extending along the horizontal direction or the same shape as the first scrapers; the first scraper blade and the second scraper blade can also be fixedly connected with the rotating shaft; the limiting ring can be replaced by limiting blocks which are distributed on the rotating shaft at intervals; the mounting plate can be a horizontal plate-shaped structure, and can also be a structure which is matched with the structure direction of the motor and is provided with a limit boss convenient for limiting the motor; the size of the material collecting groove is matched with the size of the screen mesh and can be slightly larger than the screen mesh so as to ensure that unqualified materials cannot fall on the bottom surface.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a screening plant is carried to abrasive material, includes the frame, be equipped with in the frame along the left and right sides direction level setting, the top has the sieve case of feed inlet, in the frame the bottom of sieve case is equipped with and is used for constituting the screen cloth of sieve bottom of the case face, be equipped with on the screen cloth and be used for making the vibrating motor of the directional motion of material on the screen cloth, just the screen cloth with be equipped with damping spring, its characterized in that between the frame: in the sieve box in the one end that the screen cloth is close to the feed inlet is equipped with the scraper mechanism who is used for shakeout the material, scraper mechanism include with first scraper blade, the setting that the screen cloth interval set up are in on the sieve box with first scraper blade rotates the actuating mechanism who connects through the pivot that extends along upper and lower direction, first scraper blade has and presses close to the first sweep of screen cloth one side, just be equipped with the orientation on the first sweep the convex body that the screen cloth extends, convex body interval distribution and then make on the first sweep the convex body on the first sweep is for comb tooth form so that first scraper blade is first when rotatory to scrape the material on the screen cloth and sweep.

2. The abrasive transport screening device of claim 1, wherein: keep away from on the first scraper blade the one side of screen cloth has the second and scrapes the surface, just it keeps away from to be equipped with on the second scrapes the surface the convex body that the screen cloth direction extends.

3. The abrasive transport screening device of claim 2, wherein: the distribution density of the convex bodies of the second scraping surface is greater than that of the convex bodies of the first scraping surface.

4. The abrasive transport screening device of claim 3, wherein: the scraper mechanism further comprises a second scraper which is arranged on the rotating shaft, is arranged above the first scraper and is used for scraping and sweeping the materials together with the first scraper when the materials are stacked to a larger thickness so as to improve the scraping and sweeping efficiency of the scraper mechanism.

5. The abrasive media transport screening device of claim 4, wherein: the second scraper blade is flat.

6. The abrasive transport screening device of claim 5, wherein: first scraper blade, second scraper blade all with pivot releasable connection, and corresponding scraper blade all includes the edge two of pivot symmetric distribution scrape the oar, it is close to scrape the oar the one end of pivot is for centering on epaxial semicircle ring structure, and two semicircle ring structure of scraping the oar of corresponding scraper blade pass through the screw and connect and then realize that corresponding scraper blade is in epaxial releasable connection.

7. The abrasive transport screening device of claim 6, wherein: the upper and lower positions of the rotating shaft corresponding to the scrapers are respectively provided with a limiting ring for limiting the semi-circular structure.

8. The abrasive transport screening device of any one of claims 1 to 7, wherein: the screen box is provided with a mounting plate for placing the driving mechanism, and a telescopic cylinder for driving the driving mechanism to move along the vertical direction is arranged between the mounting plate and the screen box.

9. The abrasive media transport screening device of claim 8, wherein: the frame is provided with a material collecting groove which is used for collecting unqualified materials and is obliquely arranged below the screen.

10. The abrasive transport screening device of claim 9, wherein: the sieve case in the discharge end of screen cloth is provided with the discharge gate that is used for discharging qualified material.