Screening device for refractory material production

Abstract

The utility model relates to a screening device for refractory material production, and belongs to the technical field of refractory material production, the screening device comprises a screening rack, the screening rack is provided with a fine powder box and a coarse powder box, and the screening rack is provided with an overturning structure and a screening structure. According to the screening device for refractory material production, by arranging the overturning structure and the screening structure, two hydraulic cylinders in the feeding component are used as driving sources and drive a limiting plate to move up and down, so that a screen frame is shaken, and then fine-ground refractory raw materials are screened through the screen frame; after screening is completed, an electric push rod can be started and a rack is driven to move, the rack drives a gear to rotate, then a supporting barrel drives a supporting frame to rotate by 120 degrees till an angle sensor triggers and stops the electric push rod, and therefore residual raw materials in a screening frame are automatically poured into a coarse powder box; and residual raw materials in the screen frame can be automatically cleaned instead of manual work, and the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to refractory production technical field, concretely is a screening device for refractory production. BACKGROUND

[0002] Refractory production includes raw material selection, raw material pretreatment, forming process, drying treatment, firing treatment and post-processing and other process steps, and the raw materials for refractory production can usually be refractory oxide raw materials, refractory clay raw materials and alkaline raw materials, in order to make the raw materials reach the appropriate particle size, the selected raw materials need to be crushed and ground, for example, for blocky alumina raw materials, use the jaw crusher to carry out rough crushing, then pass through the equipment such as conical crusher to carry out medium crushing, finally use the ball mill to carry out fine grinding, then screen the ground raw materials, so that the raw materials with particle size between 0.8-1 millimeter are screened out, then different raw materials are mixed according to certain formula by using a mixer.

[0003] At present, in the prior art, the raw material pretreatment process of refractory production needs to screen the finely ground raw materials, and the raw materials with larger particle size will be retained in the screen frame and block the screen holes, so that the workers need to manually take out the raw materials with larger particle size in the screen frame to carry out screening work again, which makes the labor intensity of workers larger and consumes more time, therefore, a screening device for refractory production is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a screening device for refractory production, which has the advantages of facilitating the discharge of the raw materials with larger particle size retained in the screen frame, solves the problems that the raw material pretreatment process of refractory production needs to screen the finely ground raw materials, the raw materials with larger particle size are retained in the screen frame and block the screen holes, and the workers need to manually take out the raw materials with larger particle size in the screen frame to carry out screening work again, which makes the labor intensity of workers larger and consumes more time.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a screening device for refractory production, which comprises a screening frame, a fine powder box and a coarse powder box are arranged on the screening frame, a turnover structure and a screening structure are arranged on the screening frame.

[0006] The turnover structure comprises two drive boxes fixedly installed on the left and right sides of the screening frame, one end of each of the two drive boxes is rotatably installed with a supporting cylinder penetrating into the drive box, a supporting frame for driving the screening structure to turn over is fixedly installed between the opposite sides of the two supporting cylinders, a gear is fixedly installed on the outer surface of each of the two supporting cylinders and located in the drive box, a rack is slidably installed in the drive box and engaged with the outer surface of the gear, and an electric push rod is fixedly installed on the inner bottom wall of each of the two drive boxes and connected with the bottom of the rack.

[0007] Further, the screening structure comprises a screen frame slidably installed in the supporting frame and penetrating into and extending out of the supporting frame, limit plates are fixedly installed on the front and back surfaces of the screen frame, and a feeding component for controlling the up-and-down movement of the two limit plates is fixedly installed on the supporting frame.

[0008] Further, the fine powder box is installed on the inner bottom wall of the screening frame, and the coarse powder box is installed on the inner bottom wall of the screening frame and located in front of the fine powder box.

[0009] Further, two circular grooves are formed in the screening frame, a bearing is fixedly installed in each of the two circular grooves, one end of the supporting cylinder penetrates through the bearing and extends into the interior of the screening frame, and the inner circumferential wall of the bearing is fixedly connected with the outer surface of the supporting cylinder.

[0010] Further, a limit strip is fixedly installed on the rear side wall of the inner cavity of each of the two drive boxes, a limit slot is formed in the back surface of each of the two racks, and the inner wall of the limit slot is slidably connected with the outer surface of the limit strip.

[0011] Further, a pressure sensor is fixedly installed on the inner top wall of each of the two drive boxes, an angle sensor is fixedly installed in the interior of each of the two supporting cylinders, and the pressure sensor and the angle sensor are respectively electrically connected with the electric push rod.

[0012] Further, a rectangular slot is formed in the front and back surfaces of the supporting frame, one end of each of the two limit plates penetrates through the two rectangular slots and extends to the outside of the supporting frame, and the inner wall of the rectangular slot is slidably connected with the outer surface of the limit plate.

[0013] Further, the feeding component comprises two hydraulic cylinders, the extension end of each of the two hydraulic cylinders is fixedly connected with the top of each of the two limit plates, and each of the two hydraulic cylinders is fixedly installed on the front and back surfaces of the supporting frame.

[0014] Further, a hoop is fixedly installed on the rear side wall of the inner cavity of each of the two drive boxes, each of the two electric push rods is fixedly installed in the hoop, and the bottom of each of the two electric push rods is fixedly connected with the inner bottom wall of each of the two drive boxes.

[0015] Further, the front and back of the support frame are fixedly provided with mounting rings, and two hydraulic cylinders are fixedly arranged in the two mounting rings.

[0016] Compared with the prior art, the technical scheme has the following beneficial effects:

[0017] The fireproof material production screening device, by setting the turnover structure and the screening structure, realizes the use of two hydraulic cylinders in the feeding component as a driving source and drives the limit plate to move up and down, so as to shake the sieve frame, and then realizes the use of the sieve frame to screen the finely ground fireproof raw materials, and after the screening is completed, the electric push rod can be started and the rack is driven to move, so that the rack drives the gear to rotate, and then the support cylinder drives the support frame to rotate one hundred and twenty degrees, until the angle sensor triggers the electric push rod to stop, so as to realize the automatic pouring of the residual raw materials in the sieve frame into the inside of the coarse powder box, realize the automatic cleaning of the residual raw materials in the sieve frame, reduce the labor intensity of the workers, and enhance the practicability of the fireproof material production screening device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the utility model Figure 1 It is an enlarged view of A in the structural schematic diagram of the utility model;

[0020] Figure 3 It is a front view of the structural schematic diagram of the utility model Figure 1

[0021] Figure 4 It is a three-dimensional schematic diagram of the structural sieve frame, support frame and driving box of the utility model.

[0022] In the figure: 1, screening rack; 2, fine powder box; 3, coarse powder box; 41, driving box; 42, support cylinder; 43, support frame; 44, gear; 45, rack; 46, electric push rod; 47, sieve frame; 48, limit plate; 49, feeding component. DETAILED DESCRIPTION

[0023] The technical scheme 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, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figures 1 to 4 ​The embodiment is a screening device for refractory material production, which comprises a screening frame 1, a fine powder box 2 and a coarse powder box 3 arranged on the screening frame 1, a turnover structure and a screening structure arranged on the screening frame 1, the fine powder box 2 being installed on the inner bottom wall of the screening frame 1, and the coarse powder box 3 being installed on the inner bottom wall of the screening frame 1 and located in front of the fine powder box 2.

[0025] Embodiment one: please refer to Figures 1 to 4 In the embodiment, the turnover structure comprises two drive boxes 41 fixedly installed on the left and right sides of the screening frame 1, a support cylinder 42 rotatably installed in each of the two drive boxes 41 and extending into the interior thereof, two circular grooves formed in the screening frame 1 and each fixedly installed with a bearing, one end of the support cylinder 42 penetrating through the bearing and extending into the interior of the screening frame 1, the inner circumferential wall of the bearing being fixedly connected with the outer surface of the support cylinder 42, the two support cylinders 42 being fixedly installed with a support frame 43 between the opposite sides thereof for driving the screening structure to turn over, a gear 44 fixedly installed on the outer surface of each of the two support cylinders 42 and located in the interior of the drive box 41, a rack 45 slidingly installed in the interior of each of the two drive boxes 41 and engaged with the outer surface of the gear 44, a limiting strip fixedly installed on the rear side wall of the inner cavity of each of the two drive boxes 41, a limiting groove formed in the back surface of each of the two racks 45 and slidingly connected with the outer surface of the limiting strip, and an electric push rod 46 fixedly installed on the inner bottom wall of each of the two drive boxes 41 and having a telescopic end fixedly connected with the bottom of the rack 45.

[0026] The inner top wall of each of the two drive boxes 41 is fixedly installed with a pressure sensor, and the interior of each of the two support cylinders 42 is fixedly installed with an angle sensor, the pressure sensor and the angle sensor being electrically connected with the electric push rod 46, so as to trigger the angle sensor when the support cylinder 42 rotates by one hundred and twenty degrees and timely trigger the electric push rod 46 to stop working.

[0027] In addition, the rear side wall of the inner cavity of each of the two drive boxes 41 is fixedly installed with a hoop, and each of the two electric push rods 46 is fixedly installed in the hoop and fixedly connected with the inner bottom wall of each of the two drive boxes 41, so as to ensure the stable operation of the electric push rod 46.

[0028] The above technical scheme realizes the starting of the two electric push rods 46, the elongation of the electric push rod 46, the upward movement of the rack 45 on the outer surface of the limiting strip, the rotation of the rack 45 engaged with the gear 44, the synchronous rotation of the support cylinder 42 and the support frame 43, the triggering of the angle sensor when the support cylinder 42 rotates by one hundred and twenty degrees, and the stopping of the electric push rod 46, so that the raw materials remaining in the screening frame 47 are poured into the coarse powder box 3 for collection.

[0029] Embodiment two: please refer to Figures 1 to 4 In this embodiment, the screening structure includes a screen frame 47 slidingly installed inside the support frame 43 and extending through and outside the support frame 43, the front and back of the screen frame 47 are fixedly installed with limiting plates 48, the front and back of the support frame 43 are provided with rectangular grooves, one end of the two limiting plates 48 extends through the two rectangular grooves and extends to the outside of the support frame 43, the inner wall of the rectangular groove is in sliding connection with the outer surface of the limiting plate 48, which facilitates limiting the track of the up-down movement of the limiting plate 48, and the support frame 43 is fixedly installed with a feeding component 49 for controlling the up-down movement of the two limiting plates 48.

[0030] Among them, the feeding component 49 includes two hydraulic cylinders, the telescopic ends of the two hydraulic cylinders are fixedly connected with the top of the two limiting plates 48, and the two hydraulic cylinders are fixedly installed on the front and back of the support frame 43, and the up-down movement of the limiting plate 48 is driven by the telescopic hydraulic cylinder.

[0031] In addition, the front and back of the support frame 43 are fixedly installed with mounting rings, and the two hydraulic cylinders are fixedly installed in the two mounting rings, which facilitates the use of the mounting ring to ensure the stability of the hydraulic cylinder during work.

[0032] By using the above technical scheme, the two hydraulic cylinders in the feeding component 49 are started, the hydraulic cylinders are telescopic and drive the limiting plate 48 to move up and down in the support frame 43, and then the screen frame 47 is shaken up and down, so that the screen frame 47 is used to screen the raw materials.

[0033] The working principle of the above embodiment is:

[0034] The screening device for refractory material production is used, the two hydraulic cylinders in the feeding component 49 are started, the hydraulic cylinders are telescopic and drive the limiting plate 48 to move up and down in the support frame 43, and then the screen frame 47 is shaken up and down, so that the screen frame 47 is used to screen the raw materials, until the screening is completed, the feeding component 49 is turned off and the two electric push rods 46 are started, the electric push rod 46 is elongated and drives the rack 45 to move upwards on the outer surface of the limiting strip, the moving rack 45 drives the gear 44 meshing therewith to rotate, thereby controlling the synchronous rotation of the support cylinder 42 and the support frame 43, until the angle sensor is triggered after rotating one hundred and twenty degrees, thereby turning off the electric push rod 46, so that the raw materials remaining in the screen frame 47 are poured into the coarse powder box 3 for collection.

[0035] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0036] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A screening device for refractory material production, comprising a screening frame (1), characterized in that: The screening frame (1) is provided with a fine powder box (2) and a coarse powder box (3), and the screening frame (1) is provided with a turnover structure and a screening structure. The turnover structure comprises two drive boxes (41) fixedly installed on the left and right sides of the screening frame (1), respectively, a support cylinder (42) rotatably installed in each of the two drive boxes (41) and extending into the interior thereof, a support frame (43) fixedly installed between the opposite sides of the two support cylinders (42) and used for driving the turnover of the screening structure, a gear (44) fixedly installed on the outer surface of each of the two support cylinders (42) and located in the interior of the drive box (41), a rack (45) slidably installed in the interior of each of the two drive boxes (41) and engaged with the outer surface of the gear (44), and an electric push rod (46) fixedly installed on the inner bottom wall of each of the two drive boxes (41) and having a telescopic end fixedly connected with the bottom of the rack (45).

2. A screening device for refractory material production according to claim 1, characterized in that: The screening structure comprises a screen frame (47) slidably installed in the interior of the support frame (43) and extending through and out of the support frame (43), and a limiting plate (48) fixedly installed on the front face and the back face of the screen frame (47), and a feeding component (49) fixedly installed on the support frame (43) and used for controlling the up-and-down movement of the two limiting plates (48).

3. A screening device for refractory material production according to claim 1, characterized in that: The fine powder box (2) is installed on the inner bottom wall of the screening frame (1), and the coarse powder box (3) is installed on the inner bottom wall of the screening frame (1) and located in front of the fine powder box (2).

4. A screening device for refractory material production according to claim 1, characterized in that: Two circular grooves are formed in the screening frame (1), and a bearing is fixedly installed in the interior of each of the two circular grooves, and one end of the support cylinder (42) penetrates through the bearing and extends into the interior of the screening frame (1), and the inner peripheral wall of the bearing is fixedly connected with the outer surface of the support cylinder (42).

5. A screening device for refractory material production according to claim 1, characterized in that: A limiting strip is fixedly installed on the inner cavity rear side wall of each of the two drive boxes (41), and a limiting groove is formed in the back face of each of the two racks (45), and the inner wall of the limiting groove is slidably connected with the outer surface of the limiting strip.

6. A screening device for refractory material production according to claim 1, characterized in that: A pressure sensor is fixedly installed on the inner top wall of each of the two drive boxes (41), and an angle sensor is fixedly installed in the interior of each of the two support cylinders (42), and the pressure sensor and the angle sensor are electrically connected with the electric push rod (46), respectively.

7. A screening device for refractory material production according to claim 2, characterized in that: Rectangular grooves are formed in the front face and the back face of the support frame (43), one end of each of the two limiting plates (48) penetrates through the two rectangular grooves and extends out of the support frame (43), and the inner wall of the rectangular groove is slidably connected with the outer surface of the limiting plate (48).

8. A screening device for refractory material production according to claim 2, characterized in that: The feeding component (49) comprises two hydraulic cylinders, the telescopic ends of the two hydraulic cylinders are fixedly connected with the top of each of the two limiting plates (48), and the two hydraulic cylinders are fixedly installed on the front face and the back face of the support frame (43), respectively.

9. A screening device for refractory material production according to claim 1, characterized in that: A hoop is fixedly installed on the inner cavity rear side wall of each of the two drive boxes (41), and the electric push rod (46) is fixedly installed in each of the two hoops, and the bottom of each of the two electric push rods is fixedly connected with the inner bottom wall of each of the two drive boxes (41).

10. A screening device for refractory material production according to claim 8, characterized in that: The front and back of the support frame (43) are fixedly installed with mounting rings, and two hydraulic cylinders are fixedly installed in the two mounting rings respectively.

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