Blank screening device in refractory material production

Abstract

The utility model discloses a blank screening device in refractory material production, which relates to the technical field of refractory material production and comprises a base, two first supports are mounted at the top of the base, second supports are slidably connected to the interiors of the two first supports, and a screening box is mounted at the tops of the two second supports. And a sieving cavity is formed in the sieving box. The blank screening device in the refractory material production has the beneficial effects that through the multiple sets of screening plates with different screening holes, blanks of different sizes in the screening box can be screened and divided conveniently at the same time, efficiency is improved, meanwhile, the movable brush plates are arranged below the multiple sets of screening plates, and under the action of the electric telescopic rods, the movable brush plates can brush the blanks in the screening box at the same time; the moving mechanism and the brush plate can be driven to ascend and descend, so that bristles on the brush plate sequentially penetrate through a plurality of groups of screen holes to automatically dredge the screen holes, the screen holes are not easy to block, and the screening effect of blanks is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of refractory material production, in particular to a blank screening device in refractory material production. Background Art

[0002] Refractory materials are materials that can maintain structural integrity and stability in high-temperature environments. Their main uses include building materials, industrial equipment, fire safety, etc. Refractory materials play an important role in different fields.

[0003] Application No. 202221625117.5 discloses a billet screening device for refractory material production. By setting a baffle and a transmission belt, the movement of the baffle can change the size of the effective sieve hole on the transmission belt, so that the device can screen billets of various sizes, thereby improving the practicality and efficiency of the device.

[0004] The screening structure of the above application cannot simultaneously screen and separate blanks of various sizes. It is inefficient and the screen holes are easily clogged, requiring manual processing. Utility Model Content

[0005] In view of the deficiencies in the prior art, the present invention provides a billet screening device for refractory material production, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a blank screening device for refractory material production, comprising a base, two first brackets are installed on the top of the base, the interiors of the two first brackets are slidably connected to the second brackets, a screening box is installed on the tops of the two second brackets, a screening cavity is provided inside the screening box, a plurality of first U-shaped frames and a plurality of second U-shaped frames are respectively installed on the corresponding two sides of the screening cavity, screening plates are inserted between the plurality of first U-shaped frames and the plurality of second U-shaped frames, a discharge port is provided inside the screening box and on one side of the plurality of screening plates, the plurality of discharge ports are connected to the screening cavity, one end of the plurality of discharge ports is connected to a discharge pipe, the interior of the screening box and on one side of the screening cavity A limiting slot is provided, and a convex slot is provided inside the screening box and at the top of the limiting slot, a convex block is slidably connected inside the convex slot, an electric telescopic rod is installed at the bottom of the convex block and at the inside of the limiting slot, and the output end of the electric telescopic rod is connected to a support frame, a plurality of movable slots are provided inside the screening box and between the screening cavity and the limiting slot, a plurality of mounting frames are slidably connected inside the movable slots, a plurality of brush plates are installed at one end of the mounting frames and at the bottom of the plurality of screening plates, and the other ends of the plurality of mounting frames are connected to the support frame, a screw rod is rotatably connected inside the convex slot, the screw rod passes through the convex block and is threadedly connected to the convex block, a first motor is fixedly installed inside the screening box, and the output end of the first motor is connected to the screw rod.

[0007] Preferably, the screening box is located at the top of the screening cavity and is connected to a feed hopper.

[0008] Preferably, a box door is installed on one side of the screening box.

[0009] Preferably, the bottom of the screening box is rotatably connected to a pulley.

[0010] Preferably, an adjustment frame is installed on the top of the base and between the two first brackets, an eccentric cam is rotatably connected to the bottom of the pulley inside the adjustment frame, and a telescopic spring is installed inside the two first brackets, one end of the telescopic spring is connected to the bottom of the second bracket.

[0011] Preferably, a second motor is installed on one side of the adjustment frame, and an output end of the second motor is fixedly connected to the eccentric cam.

[0012] Preferably, the sizes of the sieve holes of the plurality of sieve plates decrease from top to bottom.

[0013] The utility model provides a blank screening device for refractory material production, which has the following beneficial effects:

[0014] 1. The billet screening device in the production of refractory materials uses multiple groups of screening plates with different screen holes to facilitate the simultaneous screening and separation of billets of different sizes in the screening box. While improving efficiency, movable brush plates are provided under the multiple groups of screening plates. Under the action of the electric telescopic rod, the movable mechanism and the brush plate can be driven to rise and fall, so that the bristles on the brush plate pass through the multiple groups of screen holes in turn, automatically dredging them to prevent them from being blocked, which is beneficial to ensuring the screening effect of the billets.

[0015] 2. The blank screening device in the production of refractory materials supports the screening plate through the first U-shaped frame and the second U-shaped frame. The plug-in structure facilitates the installation and removal of the screening plate and the replacement of the screening plate with the required size of the sieve hole. Under the action of the pulley and eccentric cam at the bottom of the screening box, the screening box vibrates repeatedly, which is conducive to speeding up the screening of the blank. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is a side sectional view of the utility model;

[0019] Figure 4 It is a top sectional view of the present utility model.

[0020] In the figure: 1. Base; 2. First bracket; 3. Second bracket; 4. Screening box; 5. Telescopic spring; 6. Screening chamber; 7. First U-shaped frame; 8. Second U-shaped frame; 9. Screening plate; 10. Discharge port; 11. Discharge pipe; 12. Limiting groove; 13. Convex groove; 14. Convex block; 15. Electric telescopic rod; 16. Support frame; 17. Movable groove; 18. Mounting frame; 19. Brush plate; 20. Screw; 21. First motor; 22. Feed hopper; 23. Box door; 24. Pulley; 25. Adjusting frame; 26. Eccentric cam; 27. Second motor. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figures 1 to 4The utility model provides a technical solution: a billet screening device for refractory material production, comprising a base 1, two first brackets 2 are installed on the top of the base 1, the interior of the two first brackets 2 are slidably connected to the second bracket 3, the top of the two second brackets 3 are installed with a screening box 4, the interior of the screening box 4 is provided with a screening cavity 6, and the corresponding two sides of the screening cavity 6 are respectively provided with a plurality of first U-shaped frames 7 and a plurality of second U-shaped frames 8, and screening plates 9 are inserted between the plurality of first U-shaped frames 7 and the plurality of second U-shaped frames 8, and the sieve hole sizes of the plurality of screening plates 9 decrease in sequence from top to bottom, which is convenient for screening billets of different sizes at the same time and improving efficiency, and a discharge port 10 is provided inside the screening box 4 and on one side of the plurality of screening plates 9. The openings 10 are all connected to the screening cavity 6, and one end of each of the multiple discharge openings 10 is connected to a discharge pipe 11, which is convenient for discharging the blanks after screening. The screening box 4 is located at the top of the screening cavity 6 and is connected to a feed hopper 22, providing an entrance for the input of the blanks. A box door 23 is installed on one side of the screening box 4 to facilitate opening the screening box 4 and the screening cavity 6, and to cooperate with the first U-shaped frame 7 and the second U-shaped frame 8 to be plugged into the screening plate 9, so as to facilitate the replacement of the screening plate 9. A limiting groove 12 is provided inside the screening box 4 and on one side of the screening cavity 6, and a convex groove 13 is provided inside the screening box 4 and at the top of the limiting groove 12. A convex block 14 is slidably connected to the inside of the convex groove 13, and an electric telescopic rod 15 is installed at the bottom of the convex block 14 and inside the limiting groove 12. The output end is connected to a support frame 16, and a plurality of movable slots 17 are provided inside the screening box 4 and between the screening cavity 6 and the limit slot 12. The interior of the plurality of movable slots 17 are slidably connected with a mounting frame 18, and one end of the plurality of mounting frames 18 and a brush plate 19 are installed at the bottom of the plurality of screening plates 9. The other ends of the plurality of mounting frames 18 are connected to the support frame 16, so that the electric telescopic rod 15 controls the lifting of the support frame 16 while the plurality of mounting frames 18 and the plurality of brush plates 19 move up and down. The brush plate 19 is which bristle passes through the sieve hole of the screening plate 9, which is convenient for dredging the screening plate 9 and is conducive to avoiding blockage of the screening plate 9. The internal rotation of the convex groove 13 is connected with a screw rod 20, which passes through the convex block 14 and is threadedly connected to the convex block 14. The interior of the screening box 4 The first motor 21 is fixedly installed on the top, and the output end of the first motor 21 is connected to the screw rod 20 to drive the screw rod 20 to rotate. The screw rod 20 is connected to the convex block 14 through a threaded connection, so that the convex block 14 is displaced, driving the electric telescopic rod 15, the support frame 16, and multiple mounting frames 18 to move simultaneously. Multiple brush plates 19 can dredge various positions of multiple screening plates 9. The bottom of the screening box 4 is rotatably connected to the pulley 24, and an adjusting frame 25 is installed on the top of the base 1 and between the two first brackets 2. The inside of the adjusting frame 25 and the bottom of the pulley 24 are rotatably connected to the eccentric cam 26. The inside of the two first brackets 2 are both equipped with a telescopic spring 5. One end of the telescopic spring 5 is connected to the bottom of the second bracket 3. Through the structural characteristics of the eccentric cam 26,The deformation of the telescopic spring 5 causes the adjustment frame 25 to rotate, pushing the pulley 24 and the screening box 4 to repeatedly rise and fall and vibrate, which helps to speed up the screening speed of the screening plate 9 for the blanks. A second motor 27 is installed on one side of the adjustment frame 25. The output end of the second motor 27 is fixedly connected to the eccentric cam 26 to provide power for the rotation of the eccentric cam 26.

[0023] In summary, the billet screening device in the production of refractory materials, when in use, the billet is put into the screening cavity 6 through the feed hopper 22 on the top of the screening box 4, and after being screened by multiple screening plates 9 with different sieve holes, it is discharged to the collection device of the factory through multiple discharge ports 10 and discharge pipes 11. Through the connection between the second bracket 3 and the screening box 4 in the two first brackets 2, and the deformation of the telescopic spring 5 at the bottom of the second bracket 3, the second motor 27 drives the eccentric cam 26 to rotate, which can push the upper pulley 24 and the screening box 4 to repeatedly rise and fall and vibrate, thereby accelerating the screening of the billet. Since a plurality of movable slots 17 are provided between the screening cavity 6 and the limit slot 12 in the screening box 4, the interiors of the plurality of movable slots 17 are all sliding. It is dynamically connected with a mounting bracket 18, and brush plates 19 on one side of multiple mounting brackets 18 are respectively located at the bottom of multiple sieve plates 9, and the support brackets 16 are respectively connected to the multiple mounting brackets 18. Therefore, the electric telescopic rod 15 at the bottom of the convex block 14 in the convex groove 13 is operated, which can drive the support bracket 16 to rise and fall, and the multiple mounting brackets 18 and the brush plates 19 move up and down accordingly. The bristles on the brush plates 19 pass through the sieve holes of the sieve plate 9 to dredge them. Similarly, the first motor 21 drives the screw rod 20 in the convex groove 13 to rotate. Under the action of the threaded connection between the screw rod 20 and the convex block 14, the convex block 14 and the electric telescopic rod 15 move accordingly, and the multiple brush plates 19 dredge different positions of the multiple sieve plates 9 respectively.

[0024] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A blank screening device for refractory material production, comprising a base (1), characterized in that: Two first brackets (2) are installed on the top of the base (1), and the interiors of the two first brackets (2) are slidably connected to the second bracket (3). A screening box (4) is installed on the tops of the two second brackets (3), and a screening cavity (6) is provided inside the screening box (4). A plurality of first U-shaped frames (7) and a plurality of second U-shaped frames (8) are installed on the corresponding two sides of the screening cavity (6), and a plurality of first U-shaped frames (7) and a plurality of second U-shaped frames (8) are inserted between the plurality of first U-shaped frames (7) and the plurality of second U-shaped frames (8). A sieve plate (9) is connected, a discharge port (10) is provided inside the sieve box (4) and on one side of the plurality of sieve plates (9), the plurality of discharge ports (10) are connected to the sieve cavity (6), one end of the plurality of discharge ports (10) is connected to a discharge pipe (11), a limiting groove (12) is provided inside the sieve box (4) and on one side of the sieve cavity (6), a convex groove (13) is provided inside the sieve box (4) and on the top of the limiting groove (12), The convex groove (13) is internally connected to a convex block (14) in a sliding manner, and an electric telescopic rod (15) is installed at the bottom of the convex block (14) and located inside the limiting groove (12), and the output end of the electric telescopic rod (15) is connected to a support frame (16), and a plurality of movable grooves (17) are provided inside the screening box (4) and located between the screening cavity (6) and the limiting groove (12), and the interiors of the plurality of movable grooves (17) are all slidably connected to a mounting frame (18), and the plurality of mounting frames (18) are connected to the convex block (14) at the bottom of the convex block (14) and located inside the limiting groove (12). A brush plate (19) is installed at one end of the mounting frame (18) and at the bottom of the plurality of screening plates (9). The other ends of the plurality of mounting frames (18) are connected to the support frame (16). A screw rod (20) is rotatably connected inside the convex groove (13). The screw rod (20) passes through the convex block (14) and is threadedly connected to the convex block (14). A first motor (21) is fixedly installed inside the screening box (4), and the output end of the first motor (21) is connected to the screw rod (20). The bottom of the screening box (4) is rotatably connected to a pulley (24); An adjustment frame (25) is installed on the top of the base (1) and between the two first brackets (2); an eccentric cam (26) is rotatably connected to the bottom of the pulley (24) inside the adjustment frame (25); a telescopic spring (5) is installed inside each of the two first brackets (2); one end of the telescopic spring (5) is connected to the bottom of the second bracket (3).

2. The blank screening device for refractory material production according to claim 1, characterized in that: The screening box (4) is located at the top of the screening cavity (6) and is connected to a feed hopper (22).

3. The blank screening device for refractory material production according to claim 1, characterized in that: A box door (23) is installed on one side of the screening box (4).

4. The blank screening device for refractory material production according to claim 1, characterized in that: A second motor (27) is installed on one side of the adjustment frame (25), and an output end of the second motor (27) is fixedly connected to the eccentric cam (26).

5. The blank screening device for refractory material production according to claim 1, characterized in that: The sizes of the sieve holes of the plurality of sieve plates (9) decrease in sequence from top to bottom.

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