Granularity detection device of alloy for steelmaking

Abstract

The utility model discloses a granularity detection device of alloy for steelmaking, which relates to the technical field of alloy granularity detection equipment and comprises a screening box, the bottom end in the screening box is obliquely arranged, a screening component is mounted in the screening box, the screening component comprises a plurality of screens which are distributed at equal intervals up and down, and the screens are rotatably mounted in the screening box. The sizes of meshes of the multiple screens are sequentially decreased, conical hoppers are fixedly installed on the lower surfaces of the multiple screens, a plurality of connecting plates which are distributed at equal intervals up and down are slidably installed in the screening box, one side of each screen is slidably installed in the corresponding connecting plate in a hinged mode, and a threaded rod is rotatably installed in one side of the screening box. A forward and reverse motor is fixedly mounted at the top end of the screening box, the output end of the forward and reverse motor is fixedly connected with the top end of the threaded rod, and the screening assembly is arranged, so that the purposes that the alloy raw materials are subjected to multi-stage screening through the screening assembly, and the alloy raw materials with different granularities are screened out are achieved, and the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of alloy particle size detection equipment, in particular to a particle size detection device for alloys used for steelmaking. Background Art

[0002] Since the alloy raw materials used for steelmaking have different particle sizes and cannot be used directly in production, a set of particle size detection devices is needed to quickly realize particle size screening. The alloy particle size detection device for steelmaking is mainly used to detect the particle size of alloy materials used in the steelmaking process. The particle size is very important for the steelmaking process because it affects the performance and quality of the alloy. Therefore, the particle size detection device plays a vital role in the steelmaking process.

[0003] Most of the existing particle size detection devices for steelmaking alloys cannot perform multi-stage screening and detection on alloy raw materials. They can only screen and detect alloy raw materials of one specification particle size at a time. The alloy raw materials of another specification particle size can only be replaced after the screening is completed, resulting in low work efficiency. In view of the above problems, the inventors propose a particle size detection device for steelmaking alloys to solve the above problems. Utility Model Content

[0004] In order to solve the problem that most of the existing particle size detection devices for steelmaking alloys cannot perform multi-stage screening detection on alloy raw materials, resulting in low working efficiency; the purpose of the utility model is to provide a particle size detection device for steelmaking alloys.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a particle size detection device for alloy for steelmaking, comprising a screening box, the inner bottom end of the screening box is inclined, a screening assembly is installed in the screening box, the screening assembly includes a plurality of screens equidistantly distributed up and down, and the screens are rotatably installed in the screening box, the mesh sizes of the plurality of screens decrease successively, a conical bucket is fixedly installed on the lower surface of the plurality of screens, a plurality of connecting plates equidistantly distributed up and down are slidably installed in the screening box, and one side of the screen is slidably and hingedly installed in the corresponding connecting plate, a threaded rod is rotatably installed in one side of the screening box, and the threaded rod is threadedly inserted in the connecting plate, a forward and reverse motor is fixedly installed at the top of the screening box, and the output end of the forward and reverse motor is fixedly connected to the top of the threaded rod.

[0006] Preferably, one side of the screening box is provided with a plurality of first discharge ports which are equidistantly distributed vertically, and a second discharge port is provided at the bottom end of one side of the screening box. Baffles are fixedly installed at the plurality of first discharge ports in the screening box, and one end of the baffle can contact one end of the corresponding screen.

[0007] Preferably, fixing pins are fixedly installed at both ends of one end of each of the multiple screens, sliding grooves are opened on both sides of each of the multiple connecting plates, and the fixing pins are slidably clamped in the corresponding sliding grooves, and telescopic support rods are fixedly installed at the four corners of the bottom end of the screening box, and bases are fixedly installed at the bottom ends of the four telescopic support rods.

[0008] Preferably, a vibration assembly is installed on the base, and the vibration assembly includes a crankshaft, and the crankshaft is rotatably installed on the base, two symmetrically distributed connecting rods are hingedly installed on the crankshaft, and the top of the connecting rod is hingedly connected to the bottom end of the screening box, and a driving motor is fixedly installed on one side of the base, and the output end of the driving motor is fixedly connected to one end of the crankshaft.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. In the utility model, by setting a screening component, the purpose of using the screening component to perform multi-stage screening on the alloy raw materials and screening out alloy raw materials of different particle sizes is achieved, which greatly improves the work efficiency;

[0011] 2. In the utility model, by providing a vibration component, the purpose of using the vibration component to drive the screening box to vibrate quickly is achieved, thereby greatly improving the screening speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 This is a schematic diagram of the overall front structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the overall back structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the screening box of the utility model;

[0016] Figure 4 It is a schematic diagram of the disassembly structure of the connecting plate and the screen mesh of the utility model.

[0017] In the figure: 1. base; 11. telescopic support rod; 2. screening box; 21. first discharge port; 22. second discharge port; 23. baffle; 3. vibration assembly; 31. drive motor; 32. crankshaft; 33. connecting rod; 4. screening assembly; 41. forward and reverse motor; 42. screen; 421. fixing pin; 43. threaded rod; 44. connecting plate; 441. slide groove; 45. conical bucket. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example: Figure 1-4 As shown, the utility model provides a particle size detection device for alloys used in steelmaking, including a screening box 2, the inner bottom end of the screening box 2 is inclined, a screening assembly 4 is installed in the screening box 2, the screening assembly 4 includes a plurality of screens 42 equidistantly distributed up and down, and the screens 42 are rotatably installed in the screening box 2, the mesh sizes of the plurality of screens 42 are successively reduced, and a conical bucket 45 is fixedly installed on the lower surface of the plurality of screens 42, a plurality of connecting plates 44 equidistantly distributed up and down are slidably installed in the screening box 2, and one side of the screen 42 is slidably and hingedly installed in the corresponding connecting plate 44, a threaded rod 43 is rotatably installed in one side of the screening box 2, and the threaded rod 43 is rotatably installed in the inner ... The rod 43 is threadedly inserted in the connecting plate 44, and the top of the screening box 2 is fixedly installed with a forward and reverse motor 41, and the output end of the forward and reverse motor 41 is fixedly connected to the top of the threaded rod 43. The alloy raw materials that need to be screened and tested are put into the screening box 2. The multiple screens 42 in the screening box 2 can perform multi-stage screening on the raw materials, and alloy raw materials of different particle sizes can be screened out. The forward and reverse motor 41 is used to drive the threaded rod 43 to rotate, and the threaded rod 43 drives the connecting plate 44 to slide upward in the screening box 2. The connecting plate 44 drives the screen 42 to rotate in an arc about the central axis of the screen 42, so that the raw materials screened on the screen 42 are discharged through the first discharge port 21.

[0020] A plurality of first discharge ports 21 equidistantly distributed vertically are provided on one side of the screening box 2 , and a second discharge port 22 is provided at the bottom end of one side of the screening box 2 .

[0021] By adopting the above technical solution, the raw materials screened on the screen 42 are discharged through the first discharge port 21 , and the raw materials screened at the last stage are discharged through the second discharge port 22 .

[0022] Baffles 23 are fixedly installed at the plurality of first discharge ports 21 in the screening box 2 , and one end of the baffle 23 can contact one end of the corresponding screen 42 .

[0023] By adopting the above technical solution, the baffle 23 can prevent the raw materials on the screen 42 from falling onto the screen 42 of the next layer when the screen 42 rotates.

[0024] Fixing pins 421 are fixedly installed at both ends of one end of the plurality of screens 42 , and sliding grooves 441 are opened on both sides of the plurality of connecting plates 44 , and the fixing pins 421 are slidably locked in the corresponding sliding grooves 441 .

[0025] By adopting the above technical solution, the fixing pin 421 on the screen 42 is slidably and hingedly installed in the slide groove 441 of the connecting plate 44 .

[0026] Telescopic support rods 11 are fixedly installed at the four corners of the bottom end of the screening box 2, and the base 1 is fixedly installed at the bottom ends of the four telescopic support rods 11.

[0027] By adopting the above technical solution, the screening box 2 is supported by the telescopic support rod 11 .

[0028] A vibration assembly 3 is mounted on the base 1 . The vibration assembly 3 includes a crankshaft 32 , and the crankshaft 32 is rotatably mounted on the base 1 .

[0029] By adopting the above technical solution, the vibration assembly 3 is used to drive the screening box 2 to vibrate, which facilitates rapid screening.

[0030] Two symmetrically distributed connecting rods 33 are hingedly mounted on the crankshaft 32 , and the top ends of the connecting rods 33 are hingedly connected to the bottom ends of the screening box 2 .

[0031] By adopting the above technical solution, the crankshaft 32 drives the screening box 2 to swing up and down quickly through the connecting rod 33.

[0032] A driving motor 31 is fixedly mounted on one side of the base 1 , and an output end of the driving motor 31 is fixedly connected to one end of a crankshaft 32 .

[0033] By adopting the above technical solution, the driving motor 31 is used to drive the crankshaft 32 to rotate rapidly.

[0034] Working principle: When the utility model is in use, first put the alloy raw materials that need to be screened and tested into the screening box 2, and then use the driving motor 31 to drive the crankshaft 32 to rotate rapidly, and the crankshaft 32 drives the screening box 2 to shake up and down rapidly through the connecting rod 33. The multiple screens 42 in the screening box 2 can perform multi-stage screening on the raw materials, and screen out alloy raw materials of different particle sizes, and use the forward and reverse motors 41 to drive the threaded rod 43 to rotate, and the threaded rod 43 drives the connecting plate 44 to slide upward in the screening box 2, and the connecting plate 44 drives the screen 42 to make an arc rotation with the central axis of the screen 42. The baffle 23 can prevent the raw materials on the screen 42 from falling onto the screen 42 of the next layer when the screen 42 rotates, so that the raw materials screened on the screen 42 are discharged through the first discharge port 21, and the raw materials screened in the last stage are discharged through the second discharge port 22.

[0035] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A particle size detection device for steelmaking alloy, comprising a screening box (2), characterized in that: The inner bottom end of the screening box (2) is inclined, and a screening assembly (4) is installed in the screening box (2). The screening assembly (4) includes a plurality of screens (42) equidistantly distributed up and down, and the screens (42) are rotatably installed in the screening box (2), and the mesh sizes of the plurality of screens (42) are successively reduced, and a conical bucket (45) is fixedly installed on the lower surface of the plurality of screens (42). A plurality of connecting plates (44) equidistantly distributed up and down are slidably installed in the screening box (2), and one side of the screen (42) is slidably and hingedly installed in the corresponding connecting plate (44), a threaded rod (43) is rotatably installed in one side of the screening box (2), and the threaded rod (43) is threadedly inserted in the connecting plate (44), and a forward and reverse motor (41) is fixedly installed at the top of the screening box (2), and the output end of the forward and reverse motor (41) is fixedly connected to the top of the threaded rod (43).

2. A particle size detection device for steelmaking alloy according to claim 1, characterized in that: A plurality of first discharge ports (21) equidistantly distributed vertically are provided on one side of the screening box (2), and a second discharge port (22) is provided at the bottom end of one side of the screening box (2).

3. A particle size detection device for steelmaking alloy according to claim 1, characterized in that: A baffle (23) is fixedly installed at each of the plurality of first discharge ports (21) in the screening box (2), and one end of the baffle (23) can contact one end of a corresponding screen (42).

4. A particle size detection device for steelmaking alloy according to claim 1, characterized in that: Both ends of the plurality of screens (42) are fixedly mounted with fixing pins (421), both sides of the plurality of connecting plates (44) are provided with sliding grooves (441), and the fixing pins (421) are slidably locked in the corresponding sliding grooves (441).

5. A particle size detection device for steelmaking alloy according to claim 1, characterized in that: Telescopic support rods (11) are fixedly mounted at the four corners of the bottom end of the screening box (2), and bases (1) are fixedly mounted at the bottom ends of the four telescopic support rods (11).

6. A particle size detection device for steelmaking alloy according to claim 5, characterized in that: A vibration assembly (3) is mounted on the base (1), wherein the vibration assembly (3) comprises a crankshaft (32), and the crankshaft (32) is rotatably mounted on the base (1).

7. A particle size detection device for steelmaking alloy according to claim 6, characterized in that: Two symmetrically distributed connecting rods (33) are hingedly mounted on the crankshaft (32), and the top ends of the connecting rods (33) are hingedly connected to the bottom ends of the screening box (2).

8. A particle size detection device for steelmaking alloy according to claim 5, characterized in that: A drive motor (31) is fixedly mounted on one side of the base (1), and an output end of the drive motor (31) is fixedly connected to one end of a crankshaft (32).

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