Raw material screening device for calcium oxide production

Abstract

The utility model discloses a raw material screening device for calcium oxide production, which comprises a screening shell, a screen plate is arranged in the screening shell, a top cover is arranged at the top of the screening shell, a feeding hole is formed in the top cover, a material receiving box is arranged at the bottom of the screening shell, a baffle is arranged in the feeding hole, and a material outlet is formed in the baffle. A shaft rod penetrates through the interior of one end of the baffle and is fixed to the feeding port. By means of the baffle, the shaft rod, the push rod, the assembly cylinder and the tension spring, the baffle is rotationally installed in the feeding port through the shaft rod, when raw stone is added, the raw stone presses down the baffle to turn down the baffle to open the feeding port for feeding, and after feeding is completed, the tension spring in the stretching state exerts the tension effect on the push rod, so that the raw stone is prevented from falling off. Furthermore, the baffle plate is pulled to quickly turn upwards, so that the baffle plate blocks the feeding hole, dust generated in the screening equipment is prevented from flying out of the feeding hole to cause environmental pollution, and the screening equipment is more environment-friendly in operation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to raw material screening device for calcium oxide production technical field, concretely relates to a raw material screening device for calcium oxide production. BACKGROUND

[0002] The raw material for calcium oxide production is mostly material rich in calcium carbonate, such as limestone, marble, dolomite, shell, etc., after crushing the raw material, it is sent into the calcining furnace for calcination to obtain calcium oxide, when sent into the calcining furnace for calcination processing, the mixed sundry and dust in the raw stone are screened out by the raw material screening device to improve the purity of calcium oxide production.

[0003] The existing raw material screening device for calcium oxide production screens and processes the raw stone through the feed inlet and the screen plate, but has the following defects: (1) the existing raw material screening device for calcium oxide production easily produces dust when screening the raw stone, and the dust flies out through the feed inlet, polluting the environment; (2) when the raw material screening device for calcium oxide production screens the raw stone, dust still adheres to the surface of the raw stone, which is not easy to screen out, affecting the purity of calcium oxide production, therefore, we provide a raw material screening device for calcium oxide production. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a raw material screening device for calcium oxide production to solve the problems of polluting the environment and affecting the purity of calcium oxide production in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a raw material screening device for calcium oxide production, which comprises a screening shell, a screen plate is arranged in the screening shell, a top cover is arranged on the top of the screening shell, a feed inlet is arranged on the top cover, a receiving box is arranged at the bottom of the screening shell, a baffle is arranged in the feed inlet, a shaft rod penetrates through one end of the baffle, the shaft rod is fixed on the feed inlet, an assembling cylinder is fixed on the sidewall of the feed inlet, a push rod is connected to the assembling cylinder through sliding, one end of the push rod is fixed on the surface of the baffle, and a tension spring is connected between the other end of the push rod and the assembling cylinder.

[0006] Preferably, a limiting groove is formed in the surface of the push rod, a limiting block is arranged in the limiting groove, and the limiting block is fixed in the interior of the assembling cylinder.

[0007] Preferably, the longitudinal section of the push rod and the assembling cylinder is a circular arc structure, and the central axes of the push rod, the assembling cylinder and the shaft rod coincide with each other.

[0008] Preferably, the side wall of the screening shell is fixed with a mounting plate, a motor is mounted on the mounting plate, the top of the screen plate is provided with a roller, the surface of the roller is provided with bristles, and one end of the roller is connected with the output end of the motor.

[0009] Preferably, the other end of the roller is sleeved with a supporting barrel, and the supporting barrel is fixed on the inner wall of the screening shell.

[0010] Preferably, the inner wall of the supporting barrel is provided with a ball groove, and the ball groove is inlaid with a ball.

[0011] Preferably, the longitudinal section of the supporting barrel is a circular structure, and the central axes of the supporting barrel and the roller coincide with each other.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1) the baffle is installed in the interior of the feeding port through the shaft, when the raw stone is added, the raw stone presses the baffle downward to open the feeding port, when the feeding is completed, the tension spring exerts a pulling force on the push rod, thereby pulling the baffle to flip upward, so that the feeding port is blocked, dust generated in the equipment is prevented from floating out of the feeding port to cause environmental pollution, the utility model is more environmentally friendly, the limiting block and the limiting groove are designed to limit the sliding of the push rod, and the push rod is prevented from separating from the assembling barrel.

[0014] (2) the motor drives the roller to rotate, the bristles on the roller clean the dust on the surface of the passing stone, the surface of the raw stone is further cleaned, the production purity of calcium oxide is improved, the supporting barrel is designed to support the roller, so that the roller is prevented from being skewed to affect the cleaning effect, the ball is designed to play a lubricating role, and the rotating friction resistance between the inner wall of the supporting barrel and the surface of the roller is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view of the utility model;

[0016] Figure 2 It is a structural section view of the utility model;

[0017] Figure 3 It is an assembly top view of the top cover, the feeding port and the baffle of the utility model;

[0018] Figure 4 It is an assembly front section view of the assembling barrel and the push rod of the utility model;

[0019] Figure 5 It is a bottom assembly view of the roller in the interior of the screening shell of the utility model;

[0020] Figure 6 Figure 1 is a front view of the utility model.

[0021] In the figure: 1, sieve shell; 2, top cover; 3, shaft; 4, assembly cylinder; 5, push rod; 6, feed inlet; 7, receiving box; 8, mounting plate; 9, motor; 10, baffle; 11, screen plate; 12, roller; 13, brush; 14, limiting groove; 15, tension spring; 16, limiting block; 17, ball bearing; 18, supporting cylinder. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] Please refer to Figures 1 to 4 The utility model provides a kind of technical scheme: a raw material sieve device for calcium oxide production, including sieve shell 1, sieve shell 1 It is provided with screen plate 11 in the inside, the top of sieve shell 1 It is provided with top cover 2, top cover 2 It is provided with feed inlet 6, sieve shell 1 It is provided with receiving box 7 in the bottom, the inside of feed inlet 6 It is provided with baffle 10, baffle 10 One end inside is penetrated by shaft 3, shaft 3 It is fixed on feed inlet 6, the lateral wall of feed inlet 6 It is fixed with assembly cylinder 4, assembly cylinder 4 It is slidably connected with push rod 5 in the inside, push rod 5 One end is fixed on the surface of baffle 10, push rod 5 The other end and assembly cylinder 4 It is connected with tension spring 15, by the baffle 10, shaft 3, baffle 10, push rod 5, assembly cylinder 4 And tension spring 15 of design, baffle 10 is rotated and installed to feed inlet 6 inside by shaft 3, when adding raw material stone, raw material stone is pressed to baffle 10 and makes it to open feed inlet 6 feeding and turn down, when it is finished, tension spring 15 in the state of stretching exerts pulling force on push rod 5, in turn, baffle 10 is pulled and quickly turns up, so that it blocks feed inlet 6, avoid dust generated in the equipment inside from feed inlet 6 It is blown out and causes environmental pollution, so that the utility model works more environmentally friendly, the surface of push rod 5 It is provided with limiting groove 14, limiting groove 14 It is provided with limiting block 16 in the inside, by the limiting block 16 and limiting groove 14 of design, push rod 5 It is limited to slide, avoid from assembly cylinder 4, limiting block 16 It is fixed in the inside of assembly cylinder 4, the longitudinal section of push rod 5 and assembly cylinder 4 It is circular arc structure, the central axis of push rod 5, assembly cylinder 4 And shaft 3 three are coincident.

[0025] Embodiment 2

[0026] Referring to Figures 1 to 6 The utility model provides a kind of technical scheme: a raw material screening device for calcium oxide production, including screening shell 1, the inside of screening shell 1 is provided with screen plate 11, the top of screening shell 1 is provided with top cover 2, top cover 2 is provided with feed inlet 6, the bottom of screening shell 1 is provided with receiving box 7, the inside of feed inlet 6 is provided with baffle 10, one end of baffle 10 is internally penetrated with shaft 3, shaft 3 is fixed on feed inlet 6, the side wall of feed inlet 6 is fixed with assembly cylinder 4, assembly cylinder 4 is slidably connected with push rod 5 in the inside, one end of push rod 5 is fixed on the surface of baffle 10, pull spring 15 is connected between the other end of push rod 5 and assembly cylinder 4, by the baffle 10, shaft 3, baffle 10, push rod 5, assembly cylinder 4 and pull spring 15 of design, baffle 10 is rotatably installed to the inside of feed inlet 6 by shaft 3, when adding raw material stone, raw material stone is pressed to baffle 10 and makes it open feed inlet 6 feeding by turning down, when it is finished feeding, pull spring 15 in tension state exerts pulling force on push rod 5, and then pulls baffle 10 to quickly turn up, so as to block feed inlet 6, avoid dust generated in the equipment inside screening from blowing out from feed inlet 6 to cause environmental pollution, make the utility model work more environmentally friendly, the surface of push rod 5 is provided with limiting groove 14, limiting groove 14 is provided with limiting block 16 in the inside, by the limiting block 16 and limiting groove 14 of design, push rod 5 is limited in sliding, to avoid separation from assembly cylinder 4, limiting block 16 is fixed in the inside of assembly cylinder 4, the longitudinal section of push rod 5 and assembly cylinder 4 is all arc structure, the central axes of push rod 5, assembly cylinder 4 and shaft 3 are coincident.

[0027] In the embodiment, preferably, the side wall of screening shell 1 is fixed with mounting plate 8, motor 9 is installed on mounting plate 8, the top of screen plate 11 is provided with roller 12, the surface of roller 12 is provided with bristle 13, by the motor 9, roller 12 and bristle 13 of design, motor 9 drives roller 12 to rotate, bristle 13 on roller 12 sweeps the dust on the surface of passing stone, so that the surface of raw material stone is further clean, improve the purity of calcium oxide production, one end of roller 12 is connected with the output end of motor 9, the other end of roller 12 is provided with support cylinder 18, by the design of support cylinder 18, roller 12 is supported, to avoid the inclination of roller 12 affecting cleaning effect, support cylinder 18 is fixed on the inner wall of screening shell 1, ball groove is formed in the inner wall of support cylinder 18, ball groove is inlaid with ball 17, by the design of ball 17, play lubricating effect, reduce the rotating friction resistance between the inner wall of support cylinder 18 and the surface of roller 12, the longitudinal section of support cylinder 18 is circular structure, the central axes of support cylinder 18 and roller 12 are coincident.

[0028] The utility model discloses a working principle and use flow: the utility model installs the baffle 10 to the inside in the feed inlet 6 through the axle stem 3 rotation, when adding raw material stone, raw material stone is pressed to the baffle 10 and makes it open the feed inlet 6 feeding and open the feed inlet 6 feeding when its feeding is finished, the tension spring 15 in the tensile state exerts the pulling force to the push rod 5, and then pulls the baffle 10 and makes it close the feed inlet 6, avoid the dust that the equipment inside produces in the sieve from the feed inlet 6 place and cause environmental pollution, make the utility model work more environmental protection, and the raw material stone slides on the screen plate 11 in the sieve shell 1 and carries out the screening treatment, and the motor 9 in the utility model drives the roller 12 to rotate, and the bristle 13 on the roller 12 sweeps the dust on the surface of the passing stone, so that the surface of the raw material stone is further clean, and the production purity of calcium oxide is improved.

[0029] Although the embodiments of the utility model have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A raw material screening device for calcium oxide production, comprising a screening shell (1), wherein a screen plate (11) is provided inside the screening shell (1), a top cover (2) is provided on the top of the screening shell (1), a feed inlet (6) is provided on the top cover (2), and a receiving box (7) is provided at the bottom of the screening shell (1), characterized in that: The feed inlet (6) is provided with a baffle (10) inside. A shaft (3) passes through one end of the baffle (10). The shaft (3) is fixed on the feed inlet (6). An assembly cylinder (4) is fixed on the side wall of the feed inlet (6). A push rod (5) is slidably connected inside the assembly cylinder (4). One end of the push rod (5) is fixed on the surface of the baffle (10). A tension spring (15) is connected between the other end of the push rod (5) and the assembly cylinder (4).

2. The raw material screening device for calcium oxide production according to claim 1, characterized in that: The surface of the push rod (5) is provided with a limiting groove (14), and a limiting block (16) is provided inside the limiting groove (14). The limiting block (16) is fixed inside the assembly cylinder (4).

3. The raw material screening device for calcium oxide production according to claim 1, characterized in that: The longitudinal sections of the push rod (5) and the assembly cylinder (4) are both arc-shaped structures, and the central axes of the push rod (5), the assembly cylinder (4) and the shaft (3) coincide with each other.

4. The raw material screening device for calcium oxide production according to claim 1, characterized in that: The side wall of the sieve housing (1) is fixed with an installation plate (8), and a motor (9) is installed on the installation plate (8). A roller (12) is provided on the top of the screen plate (11), and the surface of the roller (12) is provided with bristles (13). One end of the roller (12) is connected to the output end of the motor (9).

5. A raw material screening device for calcium oxide production according to claim 4, characterized in that: The other end of the roller (12) is fitted with a support cylinder (18), which is fixed on the inner wall of the screening shell (1).

6. A raw material screening device for calcium oxide production according to claim 5, characterized in that: The inner wall of the support cylinder (18) is provided with a ball groove, and a ball (17) is embedded in the ball groove.

7. A raw material screening device for calcium oxide production according to claim 6, characterized in that: The longitudinal section of the support cylinder (18) is circular, and the central axes of the support cylinder (18) and the roller (12) coincide.

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