CN214515001U

CN214515001U - Screening device for discharge port of ball mill

Info

Publication number: CN214515001U
Application number: CN202120552397.0U
Authority: CN
Inventors: 杨永利
Original assignee: Qian'an Xinhao Iron Ore Dressing Co ltd
Current assignee: Qian'an Xinhao Iron Ore Dressing Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-10-29
Anticipated expiration: 2031-03-17

Abstract

The utility model relates to a ball mill discharge gate sieving mechanism relates to iron powder production field, and it is including placing the cell body in ball mill discharge gate below, the inside equal fixedly connected with mounting panel of a pair of relative lateral wall at least of cell body, the spliced eye has been seted up on the lateral wall of cell body, cell body internal connection has the screen cloth, the screen cloth is inserted inside just screen cloth lower surface overlap joint at the mounting panel upper surface of cell body by the spliced eye, the vertical lateral wall of screen cloth and the inner wall butt of cell body, be provided with on the cell body lateral wall and support tight subassembly of supporting of tight screen cloth upper surface. This application has the effect that the screen cloth of being convenient for to ball mill discharge gate department sieving mechanism is changed.

Description

Screening device for discharge port of ball mill

Technical Field

The application relates to the field of iron powder production, especially, relate to a ball mill discharge gate sieving mechanism.

Background

In the industrial processing of fine iron powder, it is generally necessary to refine low-grade iron ore, remove impurities, perform magnetic roughing, crush in a ball mill, and separate in a magnetic separator to produce fine iron powder.

The current chinese utility model patent that authorizes the bulletin number as CN203400773U, it discloses a bistrique sieve equipment, and the structure is as follows: the ore discharge end of the ball mill is connected with a cylindrical sieve, the inner circumference of the cylindrical sieve is provided with a reverse spiral, the other end of the cylindrical sieve is provided with an outlet, the diameter of a sieve pore of the cylindrical sieve is smaller than that of impurities and larger than that of raw ore, and the side surface of the cylindrical sieve is provided with a high-pressure water spraying device. The impurities are removed by screening through a cylindrical screen.

In view of the above-mentioned related art, the inventor believes that when the ball mill is used for screening materials, the materials screened by the ball mill may generate large friction with the cylindrical screen, the screen of the cylindrical screen may be damaged during long-term use, and when the cylindrical screen is replaced, the cylindrical screen needs to be detached from the discharge port of the ball mill, which is troublesome in operation.

SUMMERY OF THE UTILITY MODEL

In order to facilitate changing the screen cloth of ball mill discharge gate department sieving mechanism, this application provides a ball mill discharge gate sieving mechanism.

The application provides a ball mill discharge gate sieving mechanism adopts following technical scheme:

the utility model provides a ball mill discharge gate sieving mechanism, is including placing the cell body in ball mill discharge gate below, the inside equal fixedly connected with mounting panel of at least a pair of relative lateral wall of cell body, the spliced eye has been seted up on the lateral wall of cell body, cell body internal connection has the screen cloth, the screen cloth inserts inside just screen cloth lower surface overlap joint at the mounting panel upper surface of cell body by the spliced eye, the vertical lateral wall of screen cloth and the inner wall butt of cell body, be provided with on the cell body lateral wall and support tight subassembly of supporting tight screen cloth upper surface.

By adopting the technical scheme, the screen penetrates into the groove body through the insertion holes, the vertical side wall of the screen is abutted through the inner wall of the groove body, so that the movement of the screen in the horizontal direction is limited, and the vertical direction of the screen is abutted through the abutting assembly, so that the screen is fixed; when the screen cloth uses for a long time and takes place wearing and tearing need to be changed, support the restriction of tight subassembly to the clamp plate through removing, can directly take out the screen cloth by the cell body is inside to be changed to the realization is convenient for change the screen cloth of ball mill discharge gate.

Optionally, support tight subassembly including rotating the upper surface of being connected at the cell body lateral wall and have the dwang, the one end fixedly connected with limiting plate of cell body is kept away from to the dwang, cell body lateral wall upper surface articulates there is the clamp plate, spacing hole has been seted up on the clamp plate, the dwang passes spacing hole setting and limiting plate and is located one side that the screen cloth was kept away from to the clamp plate, and is right as required the screen cloth supports when tight, the lateral wall butt that the screen cloth was kept away from to one side that the limiting plate is close to the screen cloth and clamp plate.

By adopting the technical scheme, when the screen is required to be compressed, the rotating rod is rotated, so that the limiting plate is vertically arranged in the length direction of the limiting hole, and the pressing plate can rotate towards the direction close to the screen to compress the screen; when the screen cloth is dismantled to needs, rotate the dwang, make the length direction parallel placement in limiting plate and spacing hole to make the clamp plate can rotate towards the direction of keeping away from the screen cloth, take the screen cloth out in by the cell body.

Optionally, the screen is inclined downwards from one side below the discharge port of the ball mill towards the direction far away from the discharge port of the ball mill.

Through adopting above-mentioned technical scheme, when the material was thrown away along the ball mill discharge gate, the screen cloth of slope made the fines more easily fall.

Optionally, a first baffle is fixedly connected to the upper surface of the side wall of the tank body, the first baffle is connected with the discharge port of the ball mill, a second baffle is fixedly connected to the upper surface of the side wall of the tank body opposite to the discharge port of the ball mill, and third baffles are respectively fixedly connected to the upper surfaces of the side walls of the tank body at the two sides of the discharge port of the ball mill.

Through adopting above-mentioned technical scheme, first baffle, second baffle and third baffle can reduce the possibility that the material thrown away by the ball mill discharge gate splashes the outside along the side of screen cloth, reduce the pollution to production environment, also can reduce the waste of material.

Optionally, the tank body is connected with a cleaning device for cleaning the upper surface of the screen.

Through adopting above-mentioned technical scheme, when screen cloth screening time is too long, the coarse fodder that filters out can pile up at the screen cloth upper surface, if pile up when too much, can influence the efficiency of fine material along the screen cloth whereabouts, through setting up the clearance subassembly, clear up piling up the coarse fodder, reduce the coarse fodder and pile up the influence to the screening quality when too much.

Optionally, the clearance subassembly includes two installation pieces of fixed connection respectively at cell body lateral wall upper surface, two it is connected with the lead screw to rotate between the fixed block, passes lead screw threaded connection has the scraper blade, the wherein one end fixedly connected with motor of lead screw, the lower surface butt of scraper blade and the upper surface of screen cloth.

Through adopting above-mentioned technical scheme, when needs wash the bold material on the screen cloth, can pass through starter motor, make the motor drive the lead screw and take place to rotate to the scraper blade can slide along the screen cloth upper surface under the drive of lead screw, thereby makes the bold material scraped to one side, and the staff of being convenient for clears up.

Optionally, a water pipe is connected to one side wall of the first baffle close to the screen, and the water pipe sprays water towards the upper surface of the screen.

Through adopting above-mentioned technical scheme, when the material ratio that is gone out by the ball mill discharge gate is more viscous, the fines can adsorb at the screen cloth upper surface to through setting up the outlet pipe, wash by water to the upper surface of screen cloth, thereby reduce the probability that the fines remained at the screen cloth upper surface.

Optionally, a guide rod is fixedly connected between the two third baffles, and the scraper is connected to the guide rod in a sliding manner.

Through adopting above-mentioned technical scheme, the guide bar can play the effect of direction to the direction of motion of scraper blade to reduce the scraper blade and take place the possibility of skew in the direction of motion.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the screen is inserted into the groove body, and the vertical direction of the screen is limited through the abutting component, so that the screen is fixed; when the screen needs to be replaced, the limitation of the pressing plate by the abutting component is removed, and the screen can be directly taken out from the inside of the tank body for replacement;

2. the first baffle, the second baffle and the third baffle can reduce the possibility that materials thrown out from the discharge port of the ball mill splash to the outer side along the side edge of the screen;

3. through setting up the clearance subassembly, reduce to pile up coarse fodder and pile up the influence to screen cloth screening quality when too much.

Drawings

Fig. 1 is a schematic view showing the overall structure of the present embodiment.

Fig. 2 is a schematic view of the connection relationship between the screen and the trough body in this embodiment.

FIG. 3 is a schematic view of the position relationship of the abutting assembly in this embodiment

Fig. 4 is a schematic diagram showing a locking state of the tightening assembly.

Fig. 5 is a schematic view showing an opened state of the tightening unit.

Description of reference numerals: 1. a discharge port of the ball mill; 2. a support frame; 3. a trough body; 31. mounting a plate; 32. a first baffle plate; 33. a second baffle; 34. a third baffle plate; 35. an opening; 36. inserting holes; 4. screening a screen; 5. a propping component; 51. pressing a plate; 511. a limiting hole; 512. a limiting block; 52. rotating the rod; 53. a limiting plate; 6. cleaning the assembly; 61. mounting blocks; 62. a lead screw; 63. a squeegee; 7. a water pipe; 8. a guide rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses ball mill discharge gate sieving mechanism. Referring to fig. 1 and 2, the sieving mechanism is including placing support frame 2 on the plane, fixed surface is connected with cell body 3 on the support frame 2, there are four mounting panels 31 at 3 internal connection of cell body, four mounting panels 31 are the annular along the lateral wall of cell body 3 and distribute, and every mounting panel 31 fixed connection is in the inside position that is close to the top edge of cell body 3, the inside screen cloth 4 that is provided with of cell body 3, spliced eye 36 has been seted up on the 3 lateral walls of cell body, and the length of spliced eye 36 is the same with the width direction of screen cloth 4.

The screen cloth penetrates inside the cell body 3 by the spliced eye 36, the lower surface of screen cloth 4 this moment respectively with the upper surface butt of four mounting panels 31, the vertical lateral wall of screen cloth 4 respectively with the inner wall butt of cell body 3 to realize screen cloth 4 joint inside cell body 3, the upper surface that is located the lateral wall of ball mill discharge gate 1 both sides at cell body 3 is connected with respectively and supports tight subassembly 5 of supporting tight screen cloth 4 in vertical direction, and all be connected with two on every lateral wall and support tight subassembly 5.

When the material finishes processing in the ball mill, the material is thrown away along ball mill discharge gate 1, falls into and screens on the screen cloth 4, and the less thin material of granule falls into inside the cell body 3 along the screen cloth 4, and the great coarse fodder of granule is selected and is stayed screen cloth 4 upper surface to the realization is sieved the material. An opening 35 is formed in one side, away from the ball mill discharge port 1, of the groove body 3, and fine materials falling into the groove body 3 finally fall into the magnetic separator along the opening 35 of the groove body 3 for magnetic separation.

The screen 4 is inclined downwards from the side below the ball mill outlet 1 towards the side remote from the ball mill outlet 1, so that the fine material falling on the upper surface of the screen 4 falls into the tank 3 more easily.

Referring to fig. 3 and 4, support tight subassembly 5 including articulating the clamp plate 51 at cell body 3 lateral wall upper surface, spacing hole 511 has been seted up on clamp plate 51, spacing hole 511 is close to the position of the articulated side of clamp plate 51, and the length direction of spacing hole 511 is the same with the length direction of clamp plate 51, it is connected with dwang 52 to rotate at the upper surface of cell body 3 lateral wall, the one end fixedly connected with limiting plate 53 of cell body 3 is kept away from to dwang 52, dwang 52 passes the setting of spacing hole 511, and limiting plate 53 is located one side that screen cloth 4 was kept away from to clamp plate 51, the one end fixedly connected with stopper 512 of the articulated side is kept away from at clamp plate 51, stopper 512 is located one side that screen cloth 4 is close to clamp plate 51.

After the screen cloth 4 is placed on the upper surface of the mounting plate 31 and clamped, the rotating rod 52 is rotated to enable the length direction of the limiting plate 53 to be perpendicular to the length direction of the limiting hole 511, the pressing plate 51 is rotated towards the direction close to the screen cloth 4 at the moment, the two ends of the limiting plate 53 are abutted to the upper surface of the pressing plate 51, and the limiting block 512 abuts to the upper surface of the screen cloth 4, so that the pressing plate 51 is limited to move in the vertical direction, and the screen cloth 4 is abutted to the tight.

Referring to fig. 5, when the screen 4 needs to be detached, the rotating rod 52 is rotated, so that the length direction of the limiting plate 53 is parallel to the length direction of the limiting hole 511, the pressing plate 51 can be rotated towards the direction away from the screen 4, the screen 4 can be detached at this time, and the operation is simple.

Referring to fig. 3, the first baffle 32 and the second baffle 33 are respectively arranged on two side walls of the tank body 3 perpendicular to the axial direction of the ball mill discharge port 1, specifically, the first baffle 32 is fixedly connected to the upper surface of the side wall close to the ball mill discharge port 1, the first baffle 32 is fixedly connected to the ball mill discharge port 1, the second baffle 33 is fixedly connected to the upper surface of the side wall of the tank body 3 opposite to the first baffle 32, the second baffle 33 is parallel to the first baffle 32, the widths of the first baffle 32 and the second baffle 33 are the same as the width of the tank body 3, the first baffle 32 can reduce the possibility that the material thrown out from the ball mill discharge port 1 is splashed out along the screen 4 close to one side of the ball mill discharge port 1, and the second baffle 33 can reduce the possibility that the material is splashed out along one side of the screen 4 far away from the ball mill discharge port 1.

The upper surfaces of the side walls of the two sides of the discharge port 1 of the ball mill on the groove body 3 are fixedly connected with third baffle plates 34 respectively, the two third baffle plates 34 are the same in size and are arranged in parallel, the width of each third baffle plate 34 is shorter than that of the screen 4, and the possibility that materials are located on the two side edges of the discharge port 1 of the ball mill along the screen 4 and are splashed out can be reduced by arranging the two third baffle plates 34.

Referring to fig. 3, when screen cloth 4 upper surface is remained with a large amount of coarse fodder, need the timely screen cloth 4 upper surface of producers to clear up to be provided with the clearance subassembly 6 that the bold material of screen cloth 4 upper surface carries out the clearance above cell body 3, clearance subassembly 6 can reduce the coarse fodder and pile up the possibility that too much influences fine material whereabouts efficiency at screen cloth 4 upper surface.

The cleaning assembly 6 comprises two mounting blocks 61 fixedly connected to the side wall of the tank body 3, the two mounting blocks 61 are oppositely arranged, a lead screw 62 is connected between the two mounting blocks 61, two ends of the lead screw 62 are respectively connected with the mounting blocks 61 close to the end portions of the lead screw in a rotating manner, one end of the lead screw 62 is connected with a motor, a scraping plate 63 penetrates through the lead screw 62 in a threaded connection manner, and the length of the scraping plate 63 is the same as the width of the screen 4.

When needs clear up screen cloth 4, the starter motor makes the motor drive lead screw 62 and takes place to rotate to make scraper blade 63 be reciprocating motion along the axial vertically direction with ball mill discharge gate 1, collect the coarse fodder of screen cloth 4 upper surface with same one side, the producer of being convenient for clears up.

Referring to fig. 3, a guide rod 8 is disposed between the two third baffles 34, two ends of the guide rod 8 are fixedly connected to the second baffles 33 near the ends of the guide rod 8, and the scraper 63 penetrates through the guide rod 8 and is slidably connected to the guide rod 8, so that when the scraper 63 slides along the upper surface of the screen 4, the guide rod 8 can guide the movement direction of the scraper 63, and the scraper can always move linearly during the movement.

Be provided with water pipe 7 in the end angle department of cell body 3, water pipe 7 is connected with first baffle 32 through the bolt, when the material is thrown out along ball mill discharge gate 1 and is fallen to screen cloth 4 upper surface, if the material is more viscous, then probably adhere at screen cloth 4 upper surface, thereby wash screen cloth 4's upper surface through outlet pipe 7, thereby will remain and wash the thin material of screen cloth 4 upper surface, make the material fall into to cell body 3 inside and enter into the magnet separator along opening 35 and carry out the magnetic separation as much as possible.

The implementation principle of the screening device for the discharge port of the ball mill in the embodiment of the application is as follows: the material milled in the ball mill is thrown out to the upper surface of the screen 4 along the discharge port 1 of the ball mill, and is blocked by the first baffle 32, the second baffle 33 and the two third baffles 34 positioned on the side wall of the screen 4, so that the material falls on the screen 4 as much as possible.

When the materials are thrown out along the discharge port 1 of the ball mill, the materials are dispersed by the water pipe 7, so that the fine materials falling on the screen 4 fall into the groove body 3 through the screen 4 and enter the magnetic separation along the opening 35 for magnetic separation; when the large material remains on the upper surface of the screen 4 and is excessively accumulated, the motor is started to slide the scraper 63 from the end far away from the motor to the direction close to the motor, so that the large material is collected to one side.

When the screen 4 needs to be replaced, the rotating rod 52 is rotated to rotate the limiting plate 53 from the direction perpendicular to the limiting hole 511 to the direction parallel to the limiting hole 511, so that the pressing plate 51 is rotated towards one end far away from the screen 4, the pressing on the screen 4 is released, and the screen 4 can be drawn out through the inserting hole 36 for replacement.

When the change of screen cloth 4 finishes, make screen cloth 4 have spliced eye 36 to insert to inside the cell body 3, the overlap joint carries out the butt at mounting panel 31 upper surface and the vertical lateral wall that makes screen cloth 4 and the inner wall of cell body 3, makes the inner wall of cell body 3 carry on spacingly to the horizontal direction of screen cloth 4 to rotating dwang 52 makes limiting plate 53 rotate to the direction perpendicular with spacing hole 511, realizes compressing tightly screen cloth 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a ball mill discharge gate sieving mechanism which characterized in that: including placing cell body (3) in ball mill discharge gate (1) below, the equal fixedly connected with mounting panel (31) of the inside at least a pair of relative lateral wall of cell body (3), spliced eye (36) have been seted up on the lateral wall of cell body (3), cell body (3) internal connection has screen cloth (4), screen cloth (4) are inserted inside just screen cloth (4) lower surface overlap joint at mounting panel (31) upper surface of cell body (3) by spliced eye (36), the vertical lateral wall of screen cloth (4) and the inner wall butt of cell body (3), be provided with on cell body (3) lateral wall and support tight subassembly (5) to tight screen cloth (4) upper surface.

2. The screening device for the discharge port of the ball mill according to claim 1, characterized in that: support tight subassembly (5) including rotating dwang (52) of connecting at the upper surface of cell body (3) lateral wall, the one end fixedly connected with limiting plate (53) of cell body (3) are kept away from in dwang (52), cell body (3) lateral wall upper surface articulates there is clamp plate (51), spacing hole (511) have been seted up on clamp plate (51), dwang (52) pass spacing hole (511) and set up and limiting plate (53) are located one side that clamp plate (51) kept away from screen cloth (4), and it is right as required screen cloth (4) support when tight, the lateral wall butt that screen cloth (4) was kept away from with clamp plate (51) in one side that limiting plate (53) are close to screen cloth (4).

3. The screening device for the discharge port of the ball mill according to claim 1, characterized in that: the screen (4) is downwards inclined from one side below the discharge port (1) of the ball mill towards the direction far away from the discharge port (1) of the ball mill.

4. The screening device for the discharge port of the ball mill according to claim 1, characterized in that: fixed surface is connected with first baffle (32) on cell body (3) lateral wall, first baffle (32) are connected with ball mill discharge gate (1), cell body (3) are connected with second baffle (33) with ball mill discharge gate (1) relative lateral wall upper surface fixed connection, cell body (3) are located the lateral wall upper surface difference fixedly connected with third baffle (34) of the both sides of ball mill discharge gate (1).

5. The screening device for the discharge port of the ball mill according to claim 4, characterized in that: the cleaning assembly (6) for cleaning the upper surface of the screen (4) is connected to the groove body (3).

6. The screening device for the discharge port of the ball mill according to claim 5, characterized in that: clearance subassembly (6) include two installation pieces (61) of fixed connection respectively at cell body (3) lateral wall upper surface, two it is connected with lead screw (62) to rotate between installation piece (61), passes lead screw (62) threaded connection has scraper blade (63).

7. The screening device for the discharge port of the ball mill according to claim 4, characterized in that: a water pipe (7) is connected to one side wall, close to the screen (4), of the first baffle (32), and the water pipe (7) sprays water towards the upper surface of the screen (4).

8. The screening device for the discharge port of the ball mill according to claim 6, characterized in that: and a guide rod (8) is fixedly connected between the two third baffle plates (34), and the scraper (63) is connected to the guide rod (8) in a sliding manner.