CN213255574U - Coal dressing machine is with preventing stifled sieve structure - Google Patents

Abstract

The utility model relates to a coal separator is with preventing stifled sieve structure discloses one kind and leads the filtration through running through the inclined hole, avoids the coal cinder card to pass through the deep department of inclined hole, cooperates the slide bar to lead the coal cinder, avoids the coal cinder card to die to block up the structure of running through the inclined hole, its characterized in that mount is placed on the base, four the mount comprises semicircle board, four horizontal poles and four montants, four the montants are placed on the base perpendicularly, the horizontal pole corresponds to be placed between adjacent montants, horizontal pole and montant combination form the frame construction, the both sides of semicircle board correspond to be placed on two relative horizontal poles, the both ends of drive pivot correspond to be placed on other two relative horizontal poles, two support frames are nested on the drive pivot, support frame and drive pivot fixed connection, the rotary drum is nested on two support frames, rotary drum and support frame fixed connection, the rotary drum is located the concave surface of semicircle board, and a certain gap is reserved between the semi-circular plate and the semi-circular plate.

Description

Coal dressing machine is with preventing stifled sieve structure

Technical Field

The utility model relates to a coal separator is with preventing stifled sieve structure relates to one kind and carries out the during operation at the coal separator, avoids the structure of sieve mesh jam on the coal separator, belongs to the coal mine equipment field. In particular to a through running through the inclined hole and leading to the filtration, avoid the coal cinder card to run through the deep department of inclined hole, the cooperation slip strip leads the coal cinder, avoids the coal cinder card to die the structure of blockking up the through inclined hole.

Background

In the process of mining in the coal mine, the staff need filter the coal mine after mining to reduce the impurity in the middle of the raw coal, select the clean coal that meets the requirements, the current usually utilizes coal picker equipment to separate coal cinder and buggy operation, coal picker equipment uses the sieve to separate the coal mine buggy, but because the shape of coal cinder, size are unset, so at the in-process of separating the coal cinder buggy, the coal cinder blocks block easily blocks in the sieve mesh of sieve, influences mechanical normal use.

The publication number CN107716272A discloses a sleeve type horizontal drum coal separator, which comprises a coal separator body, wherein the coal separator body comprises a drum and support frames, the support frames are arranged at two ends of the coal separator body, the drum is horizontally erected between the support frames, a pneumatic lifting device is arranged at the middle section of each support frame, a base is arranged at the bottom end of each support frame, a feeding hole is formed in the upper end of one side of the drum, an auxiliary drum is arranged inside the drum, the auxiliary drum is parallel to the drum and has the same structure with the drum, the diameter of the auxiliary drum is smaller than that of the drum, the feeding hole is directly connected with the auxiliary drum, spiral guide plates are arranged on the inner walls of the drum and the auxiliary drum, a guide chute is arranged between the guide plates, sieve holes are formed in the guide chute, a central shaft is arranged between the support frames, and the central shaft penetrates through the drum and the auxiliary, the sieve pores formed on the sieve mesh of the device are straight-through holes pointing to the circle center normally, and coal blocks are easy to be clamped into the straight-through holes of the sieve mesh when the roller rotates, so that the normal use of the coal separator is influenced.

Notice No. CN107716300A discloses from clearance type drum sieve separator coal machine, including cylinder and mount, the cylinder both ends are equipped with the mount, the cylinder crouches the setting and is in between the mount, the cylinder comprises a plurality of frame body concatenation, the frame body includes vertical frame body and circular frame body, be connected with the screen cloth between the frame body, the screen cloth includes coarse filter screen cloth, well filter screen cloth and fine filter screen cloth, pass through between the screen cloth circular frame body separates, cylinder central authorities through connection has the center pin, the center pin both ends are connected the mount, be equipped with gear motor on the mount, gear motor with center pin connection, the center pin is inside hollow structure, the center pin surface is equipped with a plurality of hole for water spraying, the mount lower extreme is equipped with hydraulic pressure lifting ware. Through the mode, the sieve pores of the filter screen of the device are common straight-through pores, and when the shapes and sizes of some coal blocks are similar to those of the sieve pores, the coal blocks are easily blocked in the sieve pores to influence the normal work of the coal separator.

Disclosure of Invention

In order to improve the condition, the utility model relates to a coal dressing machine is with preventing stifled sieve structure provides one kind and leads to the filtration through running through the inclined hole, avoids the coal cinder card in running through the deep department of inclined hole, and the cooperation slip strip leads to the coal cinder, avoids the dead structure that blocks up and run through the inclined hole of coal cinder card.

The utility model relates to a coal dressing machine is with preventing stifled sieve structure is realized like this: the utility model relates to a coal separator is with preventing stifled sieve structure comprises base, drive pivot, support frame, rotary drum, runs through inclined hole, mount, play feed cylinder, helical blade, sliding strip, spring, sliding tray and guide block, and the mount is arranged on the base, the mount comprises semicircle board, four horizontal poles and four montants, four the montant is arranged perpendicularly on the base, the horizontal pole corresponds to be arranged between adjacent montant, horizontal pole and montant combination form the frame construction, the both sides of semicircle board correspond to be arranged in two relative horizontal poles, the both ends of drive pivot correspond to be arranged in other two relative horizontal poles, two support frames are nested in the drive pivot, support frame and drive pivot fixed connection, rotary drum nested in two support frames, rotary drum and support frame fixed connection, the rotary drum is located the concave surface of semicircle board, and leaves certain space between the semicircle board, the spiral blades are arranged on the driving rotating shaft at equal intervals, the spiral blades are positioned in the rotating drum, the outer side wall of the rotating drum is provided with through inclined holes which are arranged in an annular matrix, the side wall of the through inclined holes is provided with a plurality of sliding grooves, the sliding grooves are obliquely arranged, the inclined angles of the sliding grooves and the through inclined holes are the same, the guide blocks are slidably arranged in the sliding grooves, springs are arranged between the guide blocks and the sliding grooves, the sliding strips are arranged on the guide blocks and obliquely arranged, the sliding strips cover the outer rings of the sliding grooves, two ends of the sliding strips extend to the outer sides of the through inclined holes, the vertical distance from the end parts of the sliding strips to the through inclined holes is greater than that between the rotating drum and the semicircular plate, the discharge drum is arranged on the convex surface of the semicircular plate, the opening part of the discharge drum is communicated with the concave surface of the semicircular plate, and the end surfaces of two ends of, the end part of the spiral blade is provided with a hard tooth brush, and the joint between the two sides of the semicircular plate and the cross rod is an inclined plane.

Has the beneficial effects.

The structure is simple, and the device is convenient and practical.

Secondly, the cost is low, and the popularization is convenient.

And thirdly, filtering is carried out by penetrating through the inclined holes, so that the coal blocks are prevented from being clamped in the holes, and the blockage of the sieve pores is avoided.

Drawings

FIG. 1 is a three-dimensional structure diagram of an anti-blocking sieve structure for a coal separator;

FIG. 2 is a three-dimensional structure diagram of an anti-blocking sieve structure drum for a coal separator;

FIG. 3 is a schematic view showing the structure of a rotating drum with an anti-blocking sieve structure for a coal separator;

fig. 4 the utility model relates to a coal separator is with preventing stifled sieve structure runs through the schematic structure of inclined hole.

In the attached drawings

Wherein the method comprises the following steps: base 1, drive pivot 2, support frame 3, rotary drum 4 run through inclined hole 5, mount 6, play feed cylinder 7, helical blade 8, slide bar 9, spring 10, sliding tray 11, guide block 12.

The specific implementation mode is as follows:

the utility model relates to a coal dressing machine is with preventing stifled sieve structure is realized like this: the utility model relates to an anti-blocking sieve structure for coal separator, which comprises a base 1, a driving rotating shaft 2, a support frame 3, a rotary drum 4, a through inclined hole 5, a fixing frame 6, a discharging barrel 7, a helical blade 8, a sliding strip 9, a spring 10, a sliding groove 11 and a guide block 12, wherein the fixing frame 6 is arranged on the base 1, the fixing frame 6 comprises a semicircular plate, four transverse rods and four vertical rods, four vertical rods are vertically arranged on the base 1, the transverse rods are correspondingly arranged between adjacent vertical rods, the transverse rods and the vertical rods are combined to form a frame structure, two sides of the semicircular plate are correspondingly arranged on two opposite transverse rods, two ends of the driving rotating shaft 2 are correspondingly arranged on the other two opposite transverse rods, two support frames 3 are sleeved on the driving rotating shaft 2, the support frame 3 is fixedly connected with the driving rotating shaft 2, the rotary drum 4 is sleeved on the two support frames 3, the rotary drum, the rotary drum 4 is positioned on the concave surface of the semicircular plate, a certain gap is reserved between the rotary drum 4 and the semicircular plate, a plurality of helical blades 8 are equidistantly arranged on the driving rotary shaft 2, the helical blades 8 are positioned in the rotary drum 4, through inclined holes 5 which are arranged in an annular matrix are formed in the outer side wall of the rotary drum 4, a plurality of sliding grooves 11 are formed in the side wall of the through inclined holes 5, the sliding grooves 11 are obliquely arranged, the inclined angles of the sliding grooves 11 and the through inclined holes 5 are the same, guide blocks 12 are slidably arranged in the sliding grooves 11, springs 10 are arranged between the guide blocks 12 and the sliding grooves 11, the sliding strips 9 are arranged on the guide blocks 12, the sliding strips 9 are obliquely arranged, the sliding strips 9 are covered on the outer rings of the sliding grooves 11, two ends of the sliding strips 9 extend to the outer sides of the through inclined holes 5, and the vertical distance from the end parts of the sliding strips 9 to the through inclined holes 5 is greater than the vertical distance between the, go out on feed cylinder 7 arranges the convex surface of semicircle board in, the oral area of going out feed cylinder 7 is linked together with the concave surface of semicircle board, 9 both ends terminal surfaces of slide bar are the cambered surface, helical blade 8's tip is provided with hard tooth brush, the junction between the both sides of semicircle board and the horizontal pole is the inclined plane.

When the coal briquette filtering device is used, the driving rotating shaft 2 is firstly detached from the fixing frame 6, coal briquette coal powder needing to be filtered and screened is added into the rotating drum 4, then the driving rotating shaft 2 is installed on the fixing frame 6, the driving rotating shaft 2 is started to rotate on the fixing frame 6, the supporting frame 3 and the spiral blade 8 are driven to rotate simultaneously, the spiral blade 8 rotates to guide the coal briquette and the coal briquette inside in a rotating way, the supporting frame 3 drives the rotating drum 4 to rotate, the coal briquette and the smaller coal briquette are exposed from the through inclined hole 5 and fall into the discharging drum 7, when the larger coal briquette is in the rotating process and is about to be clamped in the sliding strip 9, the larger coal briquette is guided by the inclined plane penetrating through the inclined hole 5 by matching with the rotating inertia force of the rotating drum 4, so that the larger coal briquette is clamped at the edge of the sliding strip 9, and the larger coal briquette is prevented from being clamped in the deep part penetrating through the inclined hole 5, at the moment, a large coal briquette pushes the sliding strip 9 to move towards the outer side of the rotary drum 4, the guide block 12 is driven to compress the spring 10, the rotary drum 4 continuously rotates, when the rotary drum rotates to one side of the semicircular plate, one side edge of the semicircular plate pushes the sliding strip 9 for clamping a coal mine to move towards the inner side of the rotary drum 4, the sliding strip 9 drives the guide block 12 to move towards the inner side of the rotary drum 4, the guide block 12 is driven to stretch the spring 10, the coal mine clamped in the sliding strip 9 is pushed into the rotary drum 4, when the sliding strip 9 rotates out of the other side of the semicircular plate, the spring 10 resets, the guide block 12 and the sliding strip 9 are pushed to return to the initial position, guiding and filtering are carried out through the through inclined hole 5, the coal briquette is prevented from being clamped in the deep part of the through inclined hole 5, the sliding strip;

the end part of the spiral blade 8 is provided with a hard tooth brush, so that on one hand, the spiral blade can correspond to the through inclined hole 5, and when the rotary drum 4 rotates, a larger coal block is blocked to a certain degree, so that the larger coal block is prevented from rolling into the through inclined hole 5, and on the other hand, the spiral blade can guide a smaller coal block and coal powder, so that the smaller coal block and coal powder can roll into the through inclined hole 5 through the guide of the hard tooth brush, and then enter the discharge barrel 7;

the end faces of the two ends of the sliding strip 9 are designed to be cambered surfaces, so that on one hand, when the end faces of the sliding strip 9 contact with the edges of the two sides of the semicircular plate, the sliding strip 9 can be stretched more smoothly by the cambered surfaces, and the guiding is convenient, on the other hand, the sliding strip 9 and the concave surface of the semicircular plate can be in point contact, so that the friction force between the semicircular plate and the sliding strip 9 is reduced, and the sliding strip 9 is prevented from being blocked when moving in the semicircular plate;

the connection part between the two sides of the semicircular plate and the cross rod is designed as an inclined plane, and is matched with the arc-shaped end surface of the sliding strip 9, so that when the sliding strip 9 rotates to the two side edges of the semicircular plate, the arc-shaped end surface of the sliding strip 9 is tangent to the inclined plane, the contact area between the sliding strip 9 and the two side edges of the semicircular plate is reduced, the two side edges of the semicircular plate guide the sliding strip 9, and the sliding strip 9 is prevented from being blocked at the two side edges of the semicircular plate;

compared with a circular through hole, the through inclined hole 5 can guide smaller coal blocks and coal powder, and on the other hand, when a larger coal mine is to be clamped in the sliding strip 9, the inclined plane of the through inclined hole 5 guides the larger coal blocks by matching with the rotating inertia force of the rotary drum 4, so that the through inclined hole 5 is prevented from being clamped in the deep part of the through inclined hole 5 to block the through inclined hole 5;

reach and lead to the filtration through running through the inclined hole 5, avoid the coal cinder card to run through 5 dark departments of inclined hole, cooperate the slip strip 9 to lead to the coal cinder, avoid the coal cinder card to die the purpose of blockking up running through inclined hole 5.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (6)

1. The utility model provides a coal dressing machine is with preventing stifled sieve structure which characterized by: comprises a base, a driving rotating shaft, supporting frames, a rotating drum, a through inclined hole, a fixing frame, a discharge barrel, spiral blades, sliding strips, springs, sliding grooves and guide blocks, wherein the fixing frame is arranged on the base and consists of a semicircular plate, four transverse rods and four vertical rods, the four vertical rods are vertically arranged on the base, the transverse rods are correspondingly arranged between the adjacent vertical rods, the transverse rods and the vertical rods are combined to form a frame structure, two sides of the semicircular plate are correspondingly arranged on the two opposite transverse rods, two ends of the driving rotating shaft are correspondingly arranged on the other two opposite transverse rods, the two supporting frames are sleeved on the driving rotating shaft, the supporting frames are fixedly connected with the driving rotating shaft, the rotating drum is sleeved on the two supporting frames, the rotating drum is fixedly connected with the supporting frames, the rotating drum is positioned on the concave surface of the semicircular plate, a certain gap is reserved between the rotating drum and the semicircular plate, and a, the helical blade is located the rotary drum, it has the inclined hole that runs through of annular matrix arrangement to open on the lateral wall of rotary drum, it has a plurality of sliding trays to run through to open on the lateral wall of inclined hole, and guide block slidable arranges the sliding tray in, put the spring between guide block and the sliding tray, the slider is arranged in on the guide block, the slider slant sets up, the slider lid closes in the sliding tray outer lane, the both ends of slider extend to the outside that runs through the inclined hole, go out the feed cylinder and arrange in on the convex surface of semicircle board, the oral area of play feed cylinder is linked together with the concave surface of semicircle board.

2. The anti-blocking screen structure for the coal separator according to claim 1, wherein the end faces of the two ends of the sliding strip are cambered surfaces.

3. The anti-clogging screen structure for the coal separator as claimed in claim 1, wherein the end of the helical blade is provided with a hard tooth brush.

4. The anti-blocking screen structure for the coal separator according to claim 1, wherein the joint between the two sides of the semicircular plate and the cross bar is an inclined plane.

5. The anti-clogging screen structure for the coal separator as claimed in claim 2, wherein the vertical distance from the end of the sliding strip to the through inclined hole is greater than the vertical distance between the rotating cylinder and the semicircular plate.

6. The anti-blocking screen structure for the coal separator according to claim 1, wherein the sliding groove is obliquely arranged, and the inclined angle of the sliding groove is the same as that of the through inclined hole.

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