CN218078966U

CN218078966U - Multistage screening plant is used in calcium carbonate production

Info

Publication number: CN218078966U
Application number: CN202222699389.6U
Authority: CN
Inventors: 赵志建; 毛洪虎; 龚志伟; 王平剑
Original assignee: BOLE YINGXUE CALCIUM CARBONATE MANFUACTURING CO LTD
Current assignee: BOLE YINGXUE CALCIUM CARBONATE MANFUACTURING CO LTD
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2022-12-20
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to the technical field of calcium carbonate production, and discloses a multistage screening device for calcium carbonate production, which comprises a box body, a screening unit for screening calcium carbonate, a cleaning unit and a driving unit for driving the box body to vibrate; the top of the box body is provided with a feeding bin, and the side surface of the bottom of the box body is provided with a third discharging hole; the screening unit comprises a first screen, a second screen and a drainage plate, and the first screen, the second screen and the drainage plate are obliquely and fixedly connected in the box body; the cleaning unit comprises two sets of cleaning assemblies, each set of cleaning assemblies comprises a motor and a reciprocating lead screw, an output shaft of the motor is fixedly connected with the reciprocating lead screw, a slider is connected to the reciprocating lead screw in a threaded manner, a connecting rod is arranged on the slider and is connected with the box body in a sliding manner, a free end of the connecting rod is provided with a cleaning brush, and the cleaning brush is respectively attached to the first filter screen, the second filter screen and the drainage plate. The utility model discloses simple structure, the practicality is strong.

Description

Multistage screening plant is used in calcium carbonate production

Technical Field

The utility model relates to a calcium carbonate production technical field, concretely relates to calcium carbonate production is with multistage screening plant.

Background

Calcium carbonate is an inorganic compound commonly known as limestone, stone powder, marble, calcite, and is a compound having a chemical formula of CaCO3, which is neutral, substantially insoluble in water, and soluble in acid. It is a common substance on earth, exists in aragonite, calcite, chalk, limestone, marble, travertine and other rocks, and is also a main component of animal bones or shells, calcium carbonate is an important building material, has wide industrial application and is a common reagent in high and medium chemistry; the calcium carbonate has wide application, can be used in industries of papermaking, plastics, rubber products and the like, and can completely replace porcelain clay by using ultrafine calcium carbonate as a filler and a coating pigment for papermaking, thereby greatly reducing the papermaking cost, improving the strength and smoothness of paper, and improving the absorption uniformity of paper ink, the printing quality and the printing gloss of paper.

In the prior art, different crushing processing equipment is usually adopted to produce heavy calcium carbonate with various particle sizes, and as the production equipment cannot completely crush the raw materials with the same particle size when crushing the raw calcium carbonate materials, a screening device is required to screen the calcium carbonate after crushing the raw calcium carbonate materials so as to sort out calcium carbonate particles with different grades to meet different use requirements; the existing screening device is easy to cause screen blockage in continuous production, and the screen has to be stopped to clean after the screen is blocked, so that a large amount of time is spent on treatment, and the production continuity and the production efficiency are influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a calcium carbonate production is with multistage screening plant to solve the screen cloth and block up the technical problem that the clearance takes time.

In order to solve the above problem, the utility model provides a basic scheme does: the multi-stage screening device for calcium carbonate production comprises a box body, a screening unit for screening calcium carbonate, a cleaning unit and a driving unit for driving the box body to vibrate; the top of the box body is provided with a feeding bin, the side surface of the bottom of the box body is provided with a third discharging hole, and the box body is provided with a sliding chute; the second screen is positioned under the first screen, the drainage plate is positioned under the second screen, a first discharge hole is formed in the joint of the box body and the discharging end of the first screen, a second discharge hole is formed in the joint of the box body and the discharging end of the second screen, and the discharging end of the drainage plate is communicated with a third discharge hole; the cleaning unit comprises two sets of cleaning assemblies, each set of cleaning assemblies comprises a motor and a reciprocating lead screw, an output shaft of the motor is fixedly connected with the reciprocating lead screw, the reciprocating lead screw is provided with a sliding block, the sliding block is provided with a connecting rod, the connecting rod moves along a sliding groove in a reciprocating mode, a free end of the connecting rod is provided with a cleaning brush, and the cleaning brush is respectively attached to a first filter screen, a second filter screen and a drainage plate.

The utility model discloses theory of operation and beneficial effect: calcium carbonate is added into the box body through the feeding bin, the box body is driven to vibrate through the driving unit, the calcium carbonate is primarily screened through the first screen, the calcium carbonate screened by the first screen falls to the second screen for secondary screening, the particle size of the calcium carbonate is larger than that of the first screen, the calcium carbonate is discharged from the box body through the first discharging port and collected, the particle size of the calcium carbonate is smaller than that of the first screen, the calcium carbonate falls to the second screen, the calcium carbonate is secondarily screened by the second screen, the particle size of the calcium carbonate is larger than that of the second screen, the calcium carbonate is discharged from the box body through the second discharging port and collected, the particle size of the calcium carbonate is smaller than that of the second screen, the calcium carbonate falls and is discharged from the box body through the third discharging port, and therefore screening of the calcium carbonate with different particle sizes is achieved; calcium carbonate is piled up easily on first screen cloth, second screen cloth and the drainage board after continuous production, through starter motor, drives reciprocal lead screw by the motor and rotates to make the slider slide on reciprocal lead screw, slide on the spout by slider drive connecting rod, thereby make the connecting rod drive the clearance brush and clear up first screen cloth, second screen cloth and drainage board respectively, prevent that the material from piling up the influence continuous production.

Scheme two, this is the preferred of basic scheme, first screen cloth, second screen cloth and drainage plate all incline the rigid coupling in the box. The first screen cloth, the second screen cloth and the drainage plate are welded in the box body in an inclined mode respectively, so that when the box body vibrates, materials slide out from the discharge hole through self gravity, and the phenomenon of stacking is reduced.

Scheme three, this is the preferred of scheme two, drive unit includes frame and vibrating motor, frame one end and box bottom rigid coupling, vibrating motor rigid coupling is in the frame, frame free end rigid coupling has first spring, first spring free end rigid coupling has the bottom plate. Starting the vibrating motor, driving the frame to vibrate by the vibrating motor, thereby driving the box body to vibrate by the frame, providing elastic supporting force for the box body by the first spring, and enabling the box body to vibrate to drive the first screen and the second screen to screen the calcium carbonate.

And a fourth scheme is preferred to the third scheme, the driving unit further comprises a limiting component, the limiting component comprises a limiting rod, the limiting rod is of a T-shaped structure, the limiting rod movably penetrates through the rack, a second spring is sleeved on the limiting rod, and the free end of the limiting rod is fixedly connected with the bottom plate. The gag lever post activity runs through in the frame bottom, and the gag lever post free end has cup jointed the second spring for between frame and the bottom plate on the gag lever post, provides elastic support power by the second spring, drives the box and takes place the vibration when vibrating motor, provides limiting displacement by the gag lever post for the frame, rocks about avoiding the box to take place.

And a fifth scheme is the optimization of the fourth scheme, and the box body is provided with a sight glass. Operating personnel passes through the sight glass real-time observation box putty condition, thereby in time starts the motor and carries out the clearance operation to first screen cloth, second screen cloth and drainage plate respectively by motor drive clearance brush to guarantee the continuity of production.

Drawings

The invention is further explained below with reference to the drawings and the description.

Fig. 1 is a perspective view of the multi-stage screening device for calcium carbonate production of the present invention;

fig. 2 is another perspective view of the multi-stage sieving device for calcium carbonate production according to the present invention;

FIG. 3 is a partial cross-sectional view of the multi-stage sieving device for calcium carbonate production according to the present invention;

fig. 4 is the right side view of the multi-stage screening device for calcium carbonate production of the present invention.

In the figure: a box 101; a feed bin 102; a third discharge port 103; a mirror 104; a chute 105; a first screen 201; a second screen 202; a first discharge port 203; a second discharge port 204; a drainage plate 205; a frame 301; a first spring 302; a vibration motor 303; a bottom plate 304; a stopper rod 305; a second spring 306; a motor 401; a reciprocating lead screw 402; a slider 403; a connecting rod 404; cleaning brush 405.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1 to 4: the multi-stage screening device for calcium carbonate production comprises a box body 101, a screening unit, a driving unit and a cleaning unit; the top of the box body 101 is welded with a feeding bin 102, the side face of the bottom of the box body 101 is provided with a third discharging hole 103, the side wall of the box body 101 is provided with a viewing mirror 104, and the box body 101 is provided with a sliding groove 105.

The screening unit comprises a first screen 201, a second screen 202 and a flow guide plate 205, the first screen 201 and the second screen 202 are obliquely welded in the box body 101, the left side of the first screen 201 is higher than the right side, the right side of the second screen 202 is higher than the left side, the second screen 202 is positioned under the first screen 201, a first discharge hole 203 is formed in the welding position of the blanking end of the first screen 201 and the box body 101, and a second discharge hole 204 is formed in the welding position of the blanking end of the second screen 202 and the box body 101; the drainage plate 205 is welded in the box 101 in an inclined mode, the drainage plate 205 is located right below the second screen 202, and the blanking end of the drainage plate 206 is communicated with the third discharging hole 103 at the welding position of the box 101.

The driving unit comprises a rack 301, a vibration motor 303 and a limiting assembly, wherein one end of the rack 301 is welded with the bottom of the box body 101, the vibration motor 303 is welded on the rack 301, the type of the vibration motor 303 is JZO-5-2, a first spring 302 is welded on the rack 301, and a bottom plate 304 is welded at the free end of the first spring 302; the limiting component comprises a limiting rod 305, the structure of the limiting rod 305 is T-shaped, the limiting rod 305 penetrates through the rack 301 movably, the free end of the limiting rod 305 is welded with the bottom plate 304, and a second spring 306 is sleeved between the limiting rod 305 and the rack 301 and the bottom plate 304.

The cleaning unit comprises two groups of cleaning assemblies, each group of cleaning assemblies comprises a motor 401 and a reciprocating lead screw 402, an output shaft of the motor 401 is fixedly connected with the reciprocating lead screw 402, the reciprocating lead screw 402 is rotatably connected with the box body 101, a sliding block 403 is in threaded connection with the reciprocating lead screw 402, a connecting rod 404 is arranged on the sliding block 403, the connecting rod 404 reciprocates along the sliding groove 105, a cleaning brush 405 is arranged at the free end of the connecting rod 404, and the cleaning brush 405 is attached to the first filter screen 201, the second filter screen 202 and the drainage plate 205 respectively.

The implementation manner of the embodiment is as follows: when the calcium carbonate screening machine is used, calcium carbonate to be screened is poured into the feeding bin 102, so that the calcium carbonate enters the box body 101, the vibration motor 303 is started, the box body 101 is driven by the rack 301 through the first spring 302 relative to the bottom plate 304 to vibrate, the calcium carbonate is screened by arranging the first screen 201, the calcium carbonate with the granularity larger than that of the screen holes of the first screen 201 is discharged out of the box body 101 through the first discharge hole 203, and the calcium carbonate with the granularity smaller than that of the screen holes of the first screen 201 falls onto the second screen 202; the calcium carbonate is sieved again by the second screen mesh 202, the calcium carbonate with the granularity larger than the sieve pores of the second movable screen 202 is discharged out of the box body 101 from the second discharge port 204, and the calcium carbonate with the granularity smaller than the sieve pores of the second screen mesh 202 falls to the drainage plate 205 and is discharged out of the box body 101 from the third discharge port, so that the calcium carbonate with different granularities is sieved, and the requirement of continuous sieving in large batch is met; observe the box 101 putty condition through sight glass 104 by operating personnel, if the putty in time launches motor 401, rotate by the reciprocal lead screw 402 of motor 401 drive, thereby make slider 403 move on reciprocal lead screw 402, drive connecting rod 404 along spout 105 reciprocating motion by slider 403, thereby drive cleaning brush 405 and clear up the material on first screen cloth 201, second screen cloth 202 and the drainage plate 205 respectively, thereby guarantee the continuity of screening, improve production efficiency by a wide margin.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top", "end", "one side" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Also, unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, adjustably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

It is to be understood that the above description is only one embodiment of the invention, and not all embodiments. Other modifications or equivalent substitutions made by those skilled in the art based on the embodiments of the present invention should be included in the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. Calcium carbonate production is with multistage screening plant, its characterized in that: the calcium carbonate screening device comprises a box body (101), a screening unit for screening calcium carbonate, a cleaning unit and a driving unit for driving the box body (101) to vibrate; a feeding bin (102) is arranged at the top of the box body (101), a third discharging hole (103) is formed in the side face of the bottom of the box body (101), and a sliding groove (105) is formed in the box body (101); the screening unit comprises a first screen (201), a second screen (202) and a flow guide plate (205), the second screen (202) is positioned under the first screen (201), the flow guide plate (205) is positioned under the second screen (202), a first discharge hole (203) is formed in the connection position of the box body (101) and the blanking end of the first screen (201), a second discharge hole (204) is formed in the connection position of the box body (101) and the blanking end of the second screen (202), and the blanking end of the flow guide plate (205) is communicated with a third discharge hole (103); the cleaning unit includes two sets of clearance subassemblies, every group the clearance subassembly includes motor (401) and reciprocal lead screw (402), the output shaft and reciprocal lead screw (402) rigid coupling of motor (401), threaded connection has slider (403) on reciprocal lead screw (402), be equipped with connecting rod (404) on slider (403), connecting rod (404) along spout (105) reciprocating motion, connecting rod (404) free end is equipped with cleaning brush (405), cleaning brush (405) laminate with first filter screen (201), second filter screen (202) and drainage plate (205) respectively.

2. The multi-stage screening device for calcium carbonate production according to claim 1, wherein: the first screen (201), the second screen (202) and the drainage plate (205) are obliquely and fixedly connected in the box body (101).

3. The multi-stage screening device for calcium carbonate production according to claim 2, characterized in that: the drive unit includes frame (301) and vibrating motor (303), frame (301) one end and box (101) bottom rigid coupling, vibrating motor (303) rigid coupling is on frame (301), frame (301) free end rigid coupling has first spring (302), first spring (302) free end rigid coupling has bottom plate (304).

4. The multi-stage screening device for calcium carbonate production according to claim 3, characterized in that: the drive unit further comprises a limiting component, the limiting component comprises a limiting rod (305), the limiting rod (305) is of a T-shaped structure, the limiting rod (305) penetrates through the rack (301) in a movable mode, a second spring (306) is sleeved on the limiting rod (305), and the free end of the limiting rod (305) is fixedly connected with the bottom plate (304).

5. The multi-stage screening device for calcium carbonate production according to claim 4, wherein: the box body (101) is provided with a sight glass (104).