Graphite iron remover

Abstract

The utility model relates to a graphite de-ironing separator, and belongs to the field of graphite processing, the graphite de-ironing separator comprises a de-ironing separator body, the de-ironing separator body comprises a shell, and the shell is a hollow cavity with the upper end and the lower end open; the shell is sequentially divided into a feeding section, an adsorption section and a discharging section from top to bottom; the feeding section is provided with a feeding port used for receiving materials output by the feeding hopper. The feeding section is provided with a material uniformizing assembly, the material uniformizing assembly comprises a plurality of splitter plates, the splitter plates are located at the end, close to the adsorption section, of the feeding section, the splitter plates form a plurality of flow guide channels, and upper end openings of the flow guide channels are smaller than lower end openings of the flow guide channels; the adsorption section is provided with an adsorption assembly and a cleaning assembly, the adsorption assembly comprises a plurality of magnetic bars, and the multiple magnetic bars are used for adsorbing scrap iron in materials; the cleaning assembly is located below the adsorption assembly and used for discharging scrap iron adsorbed by the adsorption assembly. The discharging section is provided with a discharging opening used for discharging the materials with the scrap iron removed. The iron remover has the effect of improving the iron scrap removing efficiency of the iron remover.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of graphite processing, in particular to a graphite iron remover. BACKGROUND

[0002] Spherical graphite is an oval spherical graphite product with different fineness, which is made of high-quality high-carbon natural flake graphite as raw material and modified on the surface of graphite by advanced processing technology. Spherical graphite has low porosity, good oxidation resistance, uniform and delicate structure, small void defects, moderate elasticity and easy molding. It is an important part of lithium ion battery negative materials. In the production and processing of spherical graphite, iron filings in the raw graphite powder need to be removed. Generally, an iron remover is connected to the discharge pipe of the graphite powder feeding hopper. The graphite powder enters the iron remover through the feeding port of the iron remover, and the magnetic rods in the iron remover adsorb the iron filings in the graphite powder, thereby removing the iron filings.

[0003] According to the related technology in the above, the graphite powder enters the iron remover through the feeding port of the iron remover. Generally, the cross-sectional area of the feeding port is smaller than the area of the position where the magnetic rods are installed in the iron remover. The graphite powder enters the position more concentratedly. The magnetic rods directly opposite the feeding port contact more graphite powder, and the magnetic rods close to the side wall of the iron remover contact less graphite powder. When the magnetic rods directly opposite the feeding port reach the upper limit of adsorption, the magnetic rods close to the side wall of the iron remover adsorb less. At this time, the iron remover must be cleaned, thereby reducing the working efficiency of the iron remover. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the efficiency of the iron remover in removing iron filings, the present application provides a graphite iron remover.

[0005] The graphite iron remover provided by the present application adopts the following technical scheme:

[0006] The graphite iron remover comprises a shell, the shell is a cavity body with an open top and bottom, the shell is divided into a feeding section, an adsorption section and a discharging section from top to bottom, the feeding section is provided with a feeding port at one end away from the adsorption section for receiving materials output by a feeding hopper, the feeding section is in an inverted funnel shape at a position close to the adsorption section, the feeding section is provided with a material uniformizing assembly, the material uniformizing assembly comprises a plurality of flow dividing plates, the flow dividing plates are located at one end of the feeding section close to the adsorption section, the flow dividing plates form a plurality of flow guiding channels, and the upper end opening of each flow guiding channel is smaller than the lower end opening, the adsorption section is provided with an adsorption assembly and a cleaning assembly, the adsorption assembly comprises a plurality of magnetic rods for adsorbing iron filings in the materials, the cleaning assembly is located below the adsorption assembly and is used for discharging the iron filings adsorbed by the adsorption assembly, and the discharging section is in a vertical funnel shape at a position close to the adsorption section, and the discharging section is provided with a discharging port at one end away from the adsorption section for discharging the materials after the iron filings are removed.

[0007] By adopting the above technical scheme, the graphite powder entering from the feeding port is distributed in each channel to enter the adsorption section, so that the magnetic rods close to the side wall of the iron remover can also fully contact the graphite powder, and the efficiency of removing the iron filings by the magnetic rods in the iron remover is improved.

[0008] Optionally, the material uniformizing assembly further comprises a stirring rod and a stirring motor, the stirring rod is located at a position of the feeding section close to the feeding port, the stirring rod is located above the flow dividing plates, and the stirring motor is connected with the stirring rod and drives the stirring rod to rotate.

[0009] By adopting the above technical scheme, the graphite powder is stirred by the stirring rod driven by the stirring motor, which can scatter the graphite powder in blocks and reduce the possibility of blocking the channel opening. On the other hand, the graphite powder can be uniformly distributed into different channels, and the uniformizing effect of the material uniformizing assembly is improved.

[0010] Optionally, each magnetic rod comprises a magnetic sleeve and a magnetic core, a first connecting plate is connected to one end of the plurality of magnetic sleeves, a magnetic core is arranged in each magnetic sleeve, a second connecting plate is connected to one end of the plurality of magnetic cores, and the magnetic core at one end away from the second connecting plate can be inserted into the magnetic sleeve at one end away from the first connecting plate.

[0011] By adopting the above technical scheme, the iron filings on the surface of the magnetic sleeve can be easily cleaned by separating the magnetic core from the magnetic sleeve, so as to ensure the efficient operation of the iron remover and the effect of removing the iron filings. This design not only improves the cleaning effect of the iron remover, but also reduces the cleaning time and operation complexity, and improves the work efficiency.

[0012] Optionally, the first connecting plate is provided with a driving motor away from one side of the magnetic sleeve, the driving motor is fixed to the outside of the shell, the output shaft of the driving motor is connected with the first connecting plate through the shell, and the driving motor drives the first connecting plate to rotate, thereby driving the plurality of magnetic rods to revolve around the axis of the output shaft of the driving motor.

[0013] By adopting the above technical scheme, the rotation of the plurality of magnetic rods can not only scatter the agglomerated graphite powder, but also stir the graphite powder so that the magnetic rods can fully contact the graphite powder, thereby improving the efficiency of removing the iron filings.

[0014] Optionally, the cleaning assembly comprises a cleaning plate, the cleaning plate is located below the magnetic rods, one end of the cleaning plate is hinged to the inner wall of the shell, the other end of the cleaning plate is hinged to a pull rod, the pull rod extends to the side of the shell away from the cleaning plate through the shell, the shell is provided with a dedusting port corresponding to the position of the pull rod, the cleaning plate can be inclined to cover the cross section of the adsorption section and extend to the dedusting port, and the inclination direction of the cleaning plate is downward from the side wall of the shell where the cleaning plate is hinged to the dedusting port.

[0015] By adopting the above technical scheme, when the iron filings on the surface of the magnetic rods need to be cleaned, the cleaning plate is inclined to cover the cross section of the adsorption section and extend to the dedusting port, the coverage of the cross section of the adsorption section by the cleaning plate can ensure that the iron filings falling off the surface of the magnetic rods can be completely received by the cleaning plate, and the inclination of the cleaning plate enables the iron filings falling on the cleaning plate to slide on the surface of the cleaning plate along the inclination direction of the cleaning plate until the iron filings are discharged from the dedusting port.

[0016] Optionally, the cleaning plate can be telescopic along the axis perpendicular to the hinged axis of the cleaning plate and the shell.

[0017] By adopting the above technical scheme, the telescopic cleaning plate can ensure that the cleaning plate occupies a small space inside the de-ironing device, when the de-ironing device is working normally, the cleaning plate does not need to cover the cross section of the adsorption section, at this time, the cleaning plate needs to be telescopic to reduce the occupied area of the cleaning plate and improve the utilization rate of the internal space of the de-ironing device.

[0018] Optionally, the second connecting plate comprises a rotating part and a fixed part, the rotating part is rotatably connected with the fixed part, the lower side of the fixed part is provided with a sliding groove, a sliding block is slidably arranged in the sliding groove, the sliding block can slide up and down in the sliding groove, the cleaning plate is hinged to the inner wall of the shell on the side of the shell connected with the second connecting plate, and the hinged axis of the cleaning plate and the shell is provided with a cam corresponding to the position of the sliding block, when the cleaning plate covers the cross section of the adsorption section, the protrusion of the cam abuts against the end of the sliding block, and the lower end of the sliding block is flush with the lower end of the second connecting plate.

[0019] By adopting the above technical scheme, the setting of the sliding groove, the sliding block and the cam ensures that the operator cannot separate the magnetic core of the magnetic bar from the magnetic sleeve when the cleaning plate does not cover the adsorption section, reduces the possibility of iron filings output from the discharge port, and improves the safety and reliability of operation.

[0020] Optionally, a vertical guide groove is formed in the sliding groove, the guide groove is not communicated with the side wall of the fixed part, and the sliding block is provided with a guide block at a position corresponding to the guide groove, and the guide block vertically slides in the guide groove.

[0021] By adopting the above technical scheme, the design of the guide groove and the guide block ensures that the guide block can stably vertically slide in the guide groove, and since the guide groove is not communicated with the side wall of the fixed part, it is ensured that the sliding block will not fall out of the guide groove, and the reliability and practicality of the device are further improved.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. By providing the uniform material assembly, the material input from the feeding port can enter the adsorption section more uniformly, thereby improving the iron removal efficiency inside the iron remover;

[0024] 2. The cleaning assembly includes a cleaning plate that can be inclined to cover the cross section of the adsorption section, and the iron filings adsorbed on the magnetic bar are removed by the pull rod. This design makes the cleaning process more convenient and automated;

[0025] 3. By providing the guide groove, the sliding block and the cam, it is ensured that the operator cannot separate the magnetic core of the magnetic bar from the magnetic sleeve when the cleaning plate does not cover the adsorption section, thereby improving the safety and reliability of operation. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a mounting schematic diagram of an embodiment of the present application.

[0027] Figure 2 is a structural schematic diagram of an embodiment of the present application.

[0028] Figure 3 is a sectional view of an embodiment of the present application.

[0029] Figure 4 is a sectional view of the cleaning plate when it is stretched.

[0030] Figure 5 is Figure 3 is an enlarged view of part A in FIG. 8.

[0031] Explanation of reference numerals: 1, feeding hopper; 2, iron remover body; 21, shell; 22, feeding section; 221, feeding port; 23, adsorption section; 24, discharging section; 241, discharging port; 25, impurity discharging port; 26, baffle; 3, uniform feeding assembly; 31, stirring rod; 32, stirring motor; 33, flow dividing plate; 4, adsorption assembly; 41, magnetic rod; 411, magnetic sleeve; 412, magnetic core; 42, first connecting plate; 43, second connecting plate; 431, rotating part; 432, fixed part; 433, handle; 44, third connecting plate; 45, driving motor; 5, cleaning assembly; 51, cleaning plate; 52, pull rod; 53, cam; 6, sliding groove; 61, guide groove; 62, sliding block; 63, guide block. DETAILED DESCRIPTION

[0032] The application will be further described in conjunction with the accompanying drawings. Figures 1-5 The application will be further described in conjunction with the accompanying drawings.

[0033] In the present application, unless specifically defined otherwise and limited, the terms "mount", "connect", "connection", "fixed", and like terms should be construed as broadest, for example, can be fixed connection, can be detachable connection, or integrated; can be mechanical connection, can be electrical connection, or communication; can be direct connection, or indirect connection through intermediate medium; can be internal connection of two elements, or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] In the present application, unless specifically defined otherwise and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples.

[0035] The embodiments of the present application disclose a graphite iron remover. Referring to Figures 1-3The graphite iron remover includes an iron remover body 2, which includes a shell 21, which is a cavity body with an open top and bottom and a hollow interior. The shell 21 is sequentially divided into a feeding section 22, an adsorption section 23, and a discharging section 24 from top to bottom. The feeding section 22 is provided with a feeding port 221 at one end away from the adsorption section 23 for receiving the material output by the feeding hopper 1. The feeding section 22 is provided with a material uniformizing assembly 3, which makes the material input by the feeding port 221 more uniform. The adsorption section 23 is provided with an adsorption assembly 4 and a cleaning assembly 5. The adsorption assembly 4 is used to adsorb iron filings in the material. The cleaning assembly 5 is located below the adsorption assembly 4 and is used to discharge the iron filings adsorbed by the adsorption assembly 4. The discharging section 24 is funnel-shaped near the adsorption section 23. The discharging section 24 is provided with a discharging port 241 at one end away from the adsorption section 23 for discharging the material after the iron filings are removed. The arrangement of the material uniformizing assembly 3 makes the graphite powder entering from the feeding port 221 more uniform into the adsorption section 23, improving the efficiency of the magnetic rod 41 in removing iron filings inside the iron remover.

[0036] With reference to Figure 3 , the diameter of the position where the feeding section 22 is connected to the adsorption section 23 is greater than the diameter of the feeding port 221, and the feeding section 22 is inverted funnel-shaped near the adsorption section 23. The material uniformizing assembly 3 includes a stirring rod 31 at the position of the feeding port 221 and a plurality of flow dividing plates 33 below the stirring rod 31. The axis of the stirring rod 31 is arranged along the radial direction of the feeding port 221. One end of the stirring rod 31 is provided with a stirring motor 32, which is fixed to the outer wall of the shell 21 of the feeding section 22. The output end of the stirring motor 32 is coaxially fixed to the stirring rod 31. The stirring motor 32 drives the stirring rod 31 to rotate.

[0037] With reference to Figure 3 , the plurality of flow dividing plates 33 are located at one end of the feeding section 22 near the adsorption section 23. The plurality of flow dividing plates 33 form a plurality of flow guiding channels, and the upper ends of the plurality of flow guiding channels are smaller than the lower ends. The upper end faces of the plurality of flow dividing plates 33 are arranged in an array along the radial direction of the feeding port 221. The lower end faces of the plurality of flow dividing plates 33 divide the diameter of the position where the feeding section 22 is connected to the adsorption section 23.

[0038] With reference to Figure 3, the adsorption section 23 is a square cylinder with the same upper and lower openings, the adsorption assembly 4 comprises a plurality of magnetic rods 41, each of the magnetic rods 41 comprises a magnetic sleeve 411 and a magnetic core 412, the magnetic sleeve 411 is made of an iron plate and can be magnetized, a plurality of the magnetic sleeves 411 are commonly connected with a cylindrical first connecting plate 42 at one end, each of the magnetic sleeves 411 is provided with the magnetic core 412 inside, a plurality of the magnetic cores 412 are commonly connected with a cylindrical second connecting plate 43 at one end, and the magnetic cores 412 away from the second connecting plate 43 can be inserted into the magnetic sleeve 411 away from the first connecting plate 42. When the magnetic core 412 is located inside the magnetic sleeve 411, the magnetic sleeve 411 is magnetized, and the iron filings in the graphite powder are adsorbed on the outer surface of the magnetic sleeve 411 when passing through the magnetic rod 41. When the magnetic core 412 is separated from the magnetic sleeve 411, the iron filings on the surface of the magnetic sleeve 411 will automatically fall off.

[0039] With reference to Figure 3 , the end of the magnetic sleeve 411 away from the first connecting plate 42 is provided with a third connecting plate 44 fixedly connected, the third connecting plate 44 is provided with a mounting hole corresponding to the opening position of the magnetic sleeve 411, and the magnetic cores 412 away from the second connecting plate 43 are inserted into the magnetic sleeve 411 from the mounting hole. The second connecting plate 43 comprises a rotating part 431 and a fixed part 432 arranged on the same axis, and the fixed part 432 is rotatably connected to the rotating part 431 by being sleeved on the outside of the rotating part 431. The shell 21 is provided with a limiting groove corresponding to the side wall of the fixed part 432, the side wall of the fixed part 432 is fixedly connected with a limiting block corresponding to the position of the limiting groove, and the limiting block and the limiting groove are matched to limit the rotation of the fixed part 432.

[0040] With reference to Figure 3 , the first connecting plate 42 is provided with a driving motor 45 away from the magnetic sleeve 411, the driving motor 45 is fixedly connected to the outside of the shell 21, the output shaft of the driving motor 45 penetrates the shell 21 and is connected to the first connecting plate 42, the driving motor 45 drives the first connecting plate 42 and the third connecting plate 44 to rotate, drives the plurality of magnetic rods 41 to revolve around the axis of the output shaft of the driving motor 45, and drives the rotating part 431 of the second connecting plate 43 to rotate.

[0041] Further, with reference to Figure 3 , the rotating part 431 is connected to the third connecting plate 44 through bolts, the shear force between the magnetic sleeve 411 and the magnetic core 412 is reduced, and the reliability of the magnetic rod 41 is improved.

[0042] With reference to Figure 3 and Figure 4The cleaning assembly 5 comprises a cleaning plate 51 located below the magnetic bar 41, one end of the cleaning plate 51 is hinged to the inner wall of the side of the shell 21 connected with the second connecting plate 43, and the other end of the cleaning plate 51 is hinged with a pull rod 52 extending from one end of the cleaning plate 51 to the shell 21 on the side away from the cleaning plate 51. The cleaning plate 51 can be extended or retracted along the axis perpendicular to the hinge axis of the cleaning plate 51 and the shell 21. When the cleaning plate 51 is unfolded, the side wall of the cleaning plate 51 can continuously abut against the inner wall of the shell 21, and the cleaning plate 51 can rotate around the hinge axis. The shell 21 is provided with a dedusting opening 25 corresponding to the position of the pull rod 52, and the cleaning plate 51 can be inclined to cover the cross section of the adsorption section 23 and extend out of the dedusting opening 25. The inclination direction is downward from the side wall of the cleaning plate 51 hinged to the shell 21 to the dedusting opening 25, and the thickness of the cleaning plate 51 gradually decreases along the inclination direction.

[0043] Further, referring to Figure 3 The shell 21 is slidably connected with a baffle plate 26 corresponding to the position of the dedusting opening 25. The baffle plate 26 can cover the dedusting opening 25. When the magnetic bar 41 of the iron remover does not need to be cleaned, the baffle plate 26 can shield the dedusting opening 25 to reduce the possibility of graphite powder leaking from the dedusting opening 25.

[0044] If the operator separates the magnetic core 412 from the magnetic sleeve 411 when the cleaning plate 51 does not cover the cross section of the adsorption section 23, the magnetic bar 41 adsorbed on the surface of the magnetic sleeve 411 may fall into the graphite powder again through the discharge opening 241. Therefore, the present application increases the design that the operator cannot separate the second connecting plate 43 from the shell 21 when the cleaning plate 51 does not cover the cross section of the adsorption section 23.

[0045] Referring to Figure 3 A sliding groove 6 is formed in the lower side of the fixed part 432, and a sliding block 62 is slidably arranged in the sliding groove 6. The sliding block 62 can slide up and down in the sliding groove 6. The cleaning plate 51 is hinged to the inner wall of the side of the shell 21 connected with the second connecting plate 43, and the hinge axis of the cleaning plate 51 and the shell 21 is provided with a cam 53 corresponding to the position of the sliding block 62. When the cleaning plate 51 covers the cross section of the adsorption section 23, the protrusion of the cam 53 abuts against the end of the sliding block 62, and the lower end of the sliding block 62 is flush with the lower end of the second connecting plate 43. At this time, the operator can separate the magnetic core 412 from the magnetic sleeve 411 by pulling the handle 433. When the recess of the cam 53 abuts against the end of the sliding block 62, the second connecting plate 43 cannot be taken out.

[0046] Further, referring to Figure 5The vertical guide groove 61 is not communicated with the side wall of the fixed part 432, the guide block 63 is arranged at the position corresponding to the guide groove 61 of the sliding block 62, and the guide block 63 vertically slides in the guide groove 61. Under the limitation of the guide groove 61, the sliding block 62 cannot be separated from the fixed part 432.

[0047] The graphite iron remover has the effect of improving the efficiency of removing iron filings.

[0048] The graphite iron remover has the effect of improving the efficiency of removing iron filings.

[0049] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: all equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A graphite iron eliminator characterized by: The application relates to a de-ironing device, which comprises a de-ironing body (2) comprising a shell (21) which is a cavity body with an open top and bottom and a hollow interior; the shell (21) is sequentially divided into a feeding section (22), an adsorption section (23) and a discharging section (24) from top to bottom; the feeding section (22) is provided with a feeding port (221) at one end away from the adsorption section (23) for receiving materials output by a feeding hopper (1), and the feeding section (22) is in an inverted funnel shape at a position close to the adsorption section (23); the feeding section (22) is provided with a material uniformizing assembly (3) comprising a plurality of flow dividing plates (33) located at one end of the feeding section (22) close to the adsorption section (23), wherein the plurality of flow dividing plates (33) form a plurality of flow guiding channels, and the upper ends of the plurality of flow guiding channels are smaller than the lower ends; the adsorption section (23) is provided with an adsorption assembly (4) and a cleaning assembly (5), wherein the adsorption assembly (4) comprises a plurality of magnetic rods (41) for adsorbing iron filings in the materials; the cleaning assembly (5) is located below the adsorption assembly (4) and is used for discharging the iron filings adsorbed by the adsorption assembly (4); and the discharging section (24) is in a vertical funnel shape close to the adsorption section (23), and the discharging section (24) is provided with a discharging port (241) at one end away from the adsorption section (23) for discharging the materials after the iron filings are removed.

2. A graphite iron eliminator according to claim 1, characterized in that: The material uniformizing assembly (3) further comprises a stirring rod (31) and a stirring motor (32), wherein the stirring rod (31) is located at a position of the feeding section (22) close to the feeding port (221), the stirring rod (31) is located above the flow dividing plates (33), and the stirring motor (32) is connected with the stirring rod (31) and drives the stirring rod (31) to rotate.

3. A graphite iron eliminator according to claim 1, characterized in that: Each of the magnetic rods (41) comprises a magnetic sleeve (411) and a magnetic core (412), a first connecting plate (42) is connected to one end of the plurality of magnetic sleeves (411), each of the magnetic sleeves (411) is provided with a magnetic core (412) inside, a second connecting plate (43) is connected to one end of the plurality of magnetic cores (412), and the plurality of magnetic cores (412) can be inserted into the magnetic sleeve (411) from one end of the magnetic sleeve (411) away from the first connecting plate (42).

4. A graphite iron eliminator according to claim 3, characterised in that: A driving motor (45) is arranged on the side of the first connecting plate (42) away from the magnetic sleeve (411), the driving motor (45) is fixed to the outside of the shell (21), an output shaft of the driving motor (45) penetrates the shell (21) and is connected with the first connecting plate (42), the driving motor (45) drives the first connecting plate (42) to rotate, and drives the plurality of magnetic rods (41) to revolve around the axis of the output shaft of the driving motor (45).

5. A graphite iron eliminator according to claim 3, characterized in that: The cleaning assembly (5) comprises a cleaning plate (51) located below the magnetic bar (41), one end of the cleaning plate (51) is hinged to the inner wall of the shell (21), the other end of the cleaning plate (51) is hinged with a pull rod (52), the pull rod (52) extends to the side of the shell (21) away from the cleaning plate (51) and penetrates the shell (21); The shell (21) is provided with a dedusting port (25) corresponding to the position of the pull rod (52), the cleaning plate (51) can be inclined to cover the cross section of the adsorption section (23) and extend out of the dedusting port (25), the inclination direction of the cleaning plate (51) is from the side wall of the cleaning plate (51) hinged to the shell (21) to the dedusting port (25) downward.

6. A graphite iron eliminator according to claim 5, characterised in that: The cleaning plate (51) can be telescopic along the axis perpendicular to the hinged axis of the cleaning plate (51) and the shell (21).

7. A graphite iron eliminator according to claim 5, characterized in that: The second connecting plate (43) comprises a rotating part (431) and a fixed part (432), the rotating part (431) is connected with the fixed part (432); The lower side of the fixed part (432) is provided with a sliding groove (6), and the sliding groove (6) is slidably provided with a sliding block (62), the sliding block (62) can slide up and down in the sliding groove (6); The cleaning plate (51) is hinged to the inner wall of the shell (21) on the side where the shell (21) is connected with the second connecting plate (43), and the hinged axis of the cleaning plate (51) and the shell (21) is provided with a cam (53) corresponding to the position of the sliding block (62), when the cleaning plate (51) covers the cross section of the adsorption section (23), the protrusion of the cam (53) abuts against the end of the sliding block (62), and the lower end of the sliding block (62) is flush with the lower end of the second connecting plate (43).

8. A graphite iron eliminator according to claim 7, characterized in that: The sliding groove (6) is provided with a vertical guide groove (61), the guide groove (61) is not communicated with the side wall of the fixed part (432), and the sliding block (62) is provided with a guide block (63) corresponding to the position of the guide groove (61), the guide block (63) vertically slides in the guide groove (61).

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