Classified screening device for preparing metal silicon powder

Abstract

The utility model relates to the technical field of metal silicon powder processing, and discloses a grading screening device for preparing metal silicon powder, which comprises a screening box main body, a feeding hole is fixedly connected to the top of the screening box main body, discharging hoppers are fixedly connected to the left side and the right side of the screening box main body, a screening mechanism is arranged in the screening box main body, and a fixing mechanism is arranged on the front side of the screening mechanism. The screening mechanism comprises a frame assembly, a screen plate assembly and a closing assembly, and the frame assembly is arranged in the screen box body. According to the graded screening device for preparing the metal silicon powder, through the arranged screening mechanism, a worker can actively disassemble a screening plate clamped in a vibration frame, the detachable screening plate is convenient for the worker to replace according to the requirement of the screening size, and the application range of the screening device during use is widened; meanwhile, due to the detachable screening plate, when the screening plate is damaged or blocked, a worker can maintain the screening plate more conveniently, and the screening plate can be used by the worker conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of metal silicon powder processing, in particular to a grading and screening device for preparing metal silicon powder. Background Art

[0002] Metallic silicon powder refers to the raw materials used in the refractory materials and powder metallurgy industries. After production, metallic silicon powder needs to be screened to separate larger particles from smaller particles. The existing screening methods mainly use manual screening and some mechanical devices for screening and grading.

[0003] According to the "A grading device for preparing metallic silicon powder (publication number: CN 212018510U; application number: 202020627577.6)" published on the patent website, the above application aims to optimize the following problems: "First, when metallic silicon powder is manually screened, the screening efficiency is low, which is time-consuming and labor-intensive, and the production efficiency cannot be improved, which cannot keep up with the demand for metallic silicon powder; second, the existing metallic silicon powder screening device has a complex structure, is expensive, occupies a large area, and the screening operation is troublesome." However, when the screening device in the above application is in use, the staff cannot disassemble and assemble the sieve plate in the device by themselves, which is inconvenient for the staff to use. Utility Model Content

[0004] The purpose of the present invention is to provide a grading and screening device for preparing metallic silicon powder, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a grading and screening device for the preparation of metallic silicon powder, comprising a screen box body, a feed port fixedly connected to the top of the screen box body, discharge hoppers fixedly connected to the left and right sides of the screen box body, a screening mechanism arranged in the screen box body, and a fixing mechanism arranged on the front side of the screening mechanism.

[0006] The screening mechanism includes a frame assembly, a screen plate assembly and a closing assembly. The frame assembly is arranged in the screen box body, the screen plate assembly is arranged in the frame assembly, and the closing assembly is arranged on the front side of the screen plate assembly.

[0007] The fixing mechanism includes a positioning assembly, a pulling assembly and a fixing assembly. The positioning assembly is arranged on the front side of the closing assembly, the pulling assembly is arranged on the outside of the positioning assembly, and the fixing assembly is arranged on the inside of the sieve plate assembly.

[0008] Preferably, the frame assembly includes a vibration frame, which is arranged in the screen box body at a position corresponding to the discharge hopper, and a discharge port is fixedly connected to the outer side of the vibration frame at a position corresponding to the discharge hopper.

[0009] Preferably, the screen plate assembly includes a screen plate, the screen plate is clamped in the vibration frame, the screen plate is clamped in the front side of the screen box body, and sleeve frames are provided on the upper and lower sides of the screen plate, and the sleeve frames are fixedly connected to the inner ring of the vibration frame.

[0010] Preferably, the closing assembly includes a convex plate, which is fixedly connected to the front side of the screen plate, the rear side of the convex plate is in contact with the front side of the screen box body, the front side of the convex plate is fixedly connected to a convex rod, and the front side of the convex rod is fixedly connected to a handle.

[0011] Preferably, the positioning assembly includes a fixing frame, which is fixedly connected to the front side of the screen box body and located outside the left and right ends of the convex plate. The inner circle of the fixing frame is sleeved with a positioning rod, and the outer circle of the positioning rod is sleeved with a sleeve, and the sleeve is fixedly connected to the front side of the convex plate.

[0012] Preferably, the pulling assembly includes a limiting plate, the limiting plate is fixedly connected to the outer side of the positioning rod, and the outer side of the limiting plate is fixedly connected to the pulling rod.

[0013] Preferably, the fixing assembly includes a bolt, the bolt is sleeved in the inner end of the positioning rod, the outer ring of the bolt is threadedly connected to a threaded barrel, and the threaded barrel is fixedly connected to the front side of the screen box body.

[0014] Compared with the prior art, the present invention provides a grading and screening device for the preparation of metallic silicon powder, which has the following beneficial effects:

[0015] 1. The grading and screening device for preparing metallic silicon powder has a screening mechanism that allows staff to actively disassemble the screening plate connected to the vibration frame. The detachable screening plate is convenient for staff to replace according to the requirements of the screening size, which increases the applicable scope of the screening device when in use. At the same time, the detachable screening plate is more convenient for staff to repair and use when it is damaged or blocked.

[0016] 2. The grading and screening device for the preparation of metallic silicon powder has a fixing mechanism, and the staff only needs to rotate the bolt to release the positioning of the positioning rod. After that, the staff only needs to pull the pull rod to control the positioning rod to release the connection with the fixing frame and the sleeve frame, so that the staff only needs to pull the sleeve frame forward to complete the disassembly of the screening plate. The operation is simple and convenient for the staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work.

[0018] Figure 1 This is a front view of the utility model;

[0019] Figure 2 This is a front sectional view of the utility model;

[0020] Figure 3 It is the exploded diagram of the screening structure part;

[0021] Figure 4 This is an exploded view of the fixed mechanism structure.

[0022] In the figure: 1. Screening mechanism; 11. Frame assembly; 1101. Vibrating frame; 1102. Discharge port; 12. Screen plate assembly; 1201. Screen plate; 1202. Sleeve frame; 13. Closing assembly; 1301. Protruding plate; 1302. Protruding rod; 1303. Handle; 2. Fixing mechanism; 21. Positioning assembly; 2101. Fixing frame; 2102. Positioning rod; 2103. Sleeve frame; 22. Pulling assembly; 2201. Limiting plate; 2202. Pull rod; 23. Fixing assembly; 2301. Bolt; 2302. Threaded barrel; 3. Screen box body; 31. Feed port; 32. Discharge hopper. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0025] The utility model provides a technical solution:

[0026] Example 1

[0027] Combine Figures 1 to 4 A grading and screening device for the preparation of metallic silicon powder includes a screen box body 3, a feed port 31 is fixedly connected to the top of the screen box body 3, and discharge hoppers 32 are fixedly connected to the left and right sides of the screen box body 3. A screening mechanism 1 is arranged in the screen box body 3, and a fixing mechanism 2 is arranged on the front side of the screening mechanism 1.

[0028] The screening mechanism 1 includes a frame assembly 11 , a sieve plate assembly 12 and a closing assembly 13 . The frame assembly 11 is arranged in the screen box body 3 , the sieve plate assembly 12 is arranged in the frame assembly 11 , and the closing assembly 13 is arranged on the front side of the sieve plate assembly 12 .

[0029] The frame assembly 11 includes a vibration frame 1101, which is arranged in the screen box body 3 at the position corresponding to the discharge hopper 32. The outer side of the vibration frame 1101 is fixedly connected with a discharge port 1102 at the position corresponding to the discharge hopper 32. The screen plate assembly 12 includes a screen plate 1201, which is clamped in the vibration frame 1101 and clamped in the front side of the screen box body 3. The screen plate 1201 is provided with a sleeve frame 1202 on the upper and lower sides. The sleeve frame 1202 is fixedly connected to the inner circle of the vibration frame 1101. The closing assembly 13 includes a convex plate 1301, which is fixedly connected to the front side of the screen plate 1201, and the rear side of the convex plate 1301 is in contact with the front side of the screen box body 3. The front side of the convex plate 1301 is fixedly connected with a convex rod 1302, and the front side of the convex rod 1302 is fixedly connected with a handle 1303.

[0030] Furthermore: the staff can actively disassemble the screen plate 1201 that is connected to the vibration frame 1101. The detachable screen plate 1201 is convenient for the staff to replace it according to the requirements of the screening size, which increases the applicability of the screening device when in use. At the same time, the detachable screen plate 1201 is also more convenient for the staff to repair it when it is damaged or blocked, and is convenient for the staff to use.

[0031] Example 2

[0032] See Figures 1 to 4 , and on the basis of Example 1, it is further obtained that the fixing mechanism 2 includes a positioning component 21, a pulling component 22 and a fixing component 23, the positioning component 21 is arranged on the front side of the closing component 13, the pulling component 22 is arranged on the outside of the positioning component 21, and the fixing component 23 is arranged on the inside of the screen plate component 12.

[0033] The positioning assembly 21 includes a fixing frame 2101, which is fixedly connected to the front side of the screen box body 3 and is located on the outside of the left and right ends of the convex plate 1301. The inner circle of the fixing frame 2101 is sleeved with a positioning rod 2102, and the outer circle of the positioning rod 2102 is sleeved with a sleeve 2103. The sleeve 2103 is fixedly connected to the front side of the convex plate 1301. The pulling assembly 22 includes a limiting plate 2201, which is fixedly connected to the outside of the positioning rod 2102, and the outside of the limiting plate 2201 is fixedly connected to the pulling rod 2202. The fixing assembly 23 includes a bolt 2301, which is sleeved on the inner end of the positioning rod 2102, and the outer circle of the bolt 2301 is threadedly connected to a threaded cylinder 2302, which is fixedly connected to the front side of the screen box body 3.

[0034] Furthermore: the staff only needs to rotate the bolt 2301 to release the positioning of the positioning rod 2102, and then the staff only needs to pull the pull rod 2202 to control the positioning rod 2102 to release the connection with the fixed frame 2101 and the sleeve frame 2103, so that the staff only needs to pull the sleeve frame 2103 forward to complete the disassembly of the screen plate 1201. The operation is simple and convenient for the staff to use.

[0035] During actual operation, when this device is used, when the screen plate 1201 needs to be disassembled, the staff first rotates the bolt 2301, and the bolt 2301 rotates on the inner ring of the threaded barrel 2302 and moves forward, and the bolt 2301 moves forward and disengages from the connection between the threaded barrel 2302 and the positioning rod 2102, and then the staff pulls the pull rod 2202 outward, and the pull rod 2202 moves outward and disengages from the connection with the fixed frame 2101 and the sleeve 2103, and then the staff can pull the sleeve 2103 forward to drive the screen plate 1201 forward, and the screen plate 1201 is disengaged from the connection with the screen box body 3, and the disassembly of the screen plate 1201 is completed at this time.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a..." does not exclude the presence of additional identical elements in the process, method, article, or device comprising the element.

Claims

1. A grading and screening device for preparing metallic silicon powder, comprising a screen box body (3), characterized in that: The top of the screen box body (3) is fixedly connected to a feed port (31), the left and right sides of the screen box body (3) are fixedly connected to discharge hoppers (32), a screening mechanism (1) is provided in the screen box body (3), and a fixing mechanism (2) is provided on the front side of the screening mechanism (1); The screening mechanism (1) comprises a frame assembly (11), a screen plate assembly (12) and a closing assembly (13); the frame assembly (11) is arranged in a screen box body (3); the screen plate assembly (12) is arranged in the frame assembly (11); and the closing assembly (13) is arranged on the front side of the screen plate assembly (12); The fixing mechanism (2) comprises a positioning assembly (21), a pulling assembly (22) and a fixing assembly (23); the positioning assembly (21) is arranged on the front side of the closing assembly (13); the pulling assembly (22) is arranged on the outside of the positioning assembly (21); and the fixing assembly (23) is arranged on the inside of the sieve plate assembly (12).

2. A grading and screening device for preparing metallic silicon powder according to claim 1, characterized in that: The frame assembly (11) comprises a vibration frame (1101), the vibration frame (1101) being arranged in the screen box body (3) at a position corresponding to the discharge hopper (32), and a discharge port (1102) being fixedly connected to the outer side of the vibration frame (1101) at a position corresponding to the discharge hopper (32).

3. The grading and screening device for preparing metallic silicon powder according to claim 1, characterized in that: The sieve plate assembly (12) comprises a sieve plate (1201), the sieve plate (1201) being clamped in a vibration frame (1101), the sieve plate (1201) being clamped in the front side of the sieve box body (3), and sleeve frames (1202) being provided on the upper and lower sides of the sieve plate (1201), and the sleeve frames (1202) being fixedly connected to the inner circle of the vibration frame (1101).

4. The grading and screening device for preparing metallic silicon powder according to claim 1, characterized in that: The closing assembly (13) includes a convex plate (1301), the convex plate (1301) is fixedly connected to the front side of the screen plate (1201), the rear side of the convex plate (1301) is in contact with the front side of the screen box body (3), the front side of the convex plate (1301) is fixedly connected to a convex rod (1302), and the front side of the convex rod (1302) is fixedly connected to a handle (1303).

5. The grading and screening device for preparing metallic silicon powder according to claim 1, characterized in that: The positioning assembly (21) includes a fixing frame (2101), which is fixedly connected to the front side of the screen box body (3) and is located outside the left and right ends of the convex plate (1301). The inner ring of the fixing frame (2101) is sleeved with a positioning rod (2102), and the outer ring of the positioning rod (2102) is sleeved with a sleeve frame (2103). The sleeve frame (2103) is fixedly connected to the front side of the convex plate (1301).

6. The grading and screening device for preparing metallic silicon powder according to claim 1, characterized in that: The pulling assembly (22) comprises a limiting piece (2201), wherein the limiting piece (2201) is fixedly connected to the outside of the positioning rod (2102), and the outside of the limiting piece (2201) is fixedly connected to a pulling rod (2202).

7. The grading and screening device for preparing metallic silicon powder according to claim 1, characterized in that: The fixing assembly (23) includes a bolt (2301), the bolt (2301) is sleeved inside the inner end of the positioning rod (2102), the outer ring of the bolt (2301) is threadedly connected to a threaded barrel (2302), and the threaded barrel (2302) is fixedly connected to the front side of the screen box body (3).

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