Raw material grinding device for polishing solution production

Abstract

The invention discloses a raw material grinding device for polishing solution production, and belongs to the technical field of polishing solution raw material grinding. The raw material grinding device comprises a grinding tank rotationally mounted on a supporting frame and an outer ring pipe fixedly mounted on the supporting frame; the grinding tank is provided with a lining with two symmetrical ends, and the inner diameter of the lining is gradually reduced from the two ends to the central position; the outer ring pipe is provided with a separation mechanism, and when the stirring sieve plate rotates in the outer ring pipe, the separation mechanism separates grinding balls and aluminum oxide powder in a mixed material. The inner diameter size of the lining is gradually reduced from the two ends to the center position; during discharging, as long as the grinding tank is slowly rotated, mixed materials in the lining can gradually slide to the position of the material conveying opening and then slide out under the action of gravity, and convenient, clean, safe and efficient discharging is achieved; meanwhile, the separation mechanism realizes three-stage screening of the mixed materials, and is convenient, practical, safe, clean and sanitary; and the discharging control mechanism controls the mixed material flowing-out speed, and the screening effect can be further controlled and improved.

Description

Technical Field

[0001] The present invention relates to the technical field of polishing liquid raw material grinding, and specifically to a raw material grinding device for polishing liquid production. Background Art

[0002] Aluminum oxide is used as a polishing liquid raw material, and the equipment for finely grinding aluminum oxide is a ball mill. When the existing grinding machine finely grinds aluminum oxide raw materials, it often needs to grind aluminum oxide for a long time so that the grinding balls in the ball mill can fully polish the aluminum oxide particles to form aluminum oxide powder. After the existing ball mill finishes grinding, a mixture of grinding balls and aluminum oxide powder is formed in the inner lining. When taking out the mixture from the inner lining, it is necessary for people to manually rake out the mixture from the inner lining; this process is rather cumbersome, the dust is easily inhaled by people and is unhygienic, and impurities are easily mixed into the aluminum oxide powder. At the same time, after the mixture is taken out, it is also necessary to go through screening to obtain aluminum oxide powder, and the procedure is also rather complicated. To solve the problem of the cumbersome separation and acquisition of the above-mentioned aluminum oxide powder, the present invention provides a raw material grinding device for polishing liquid production. Summary of the Invention

[0003] Aiming at the above-mentioned existing technical deficiencies, the purpose of the present invention is to provide a raw material grinding device for polishing liquid production, in which the inner diameter size of the inner lining gradually decreases from both ends to the central position; when discharging, as long as the grinding tank is slowly rotated, the mixture in the inner lining will gradually slide to the position of the material conveying port and then slide out under the action of gravity; at the same time, the separation mechanism realizes three-stage screening of the mixture; the technical problems raised in the background art are solved.

[0004] To solve the above technical problems, the present invention adopts the following technical solutions: The present invention provides a raw material grinding device for polishing liquid production, including: a grinding tank rotatably installed on a support frame, and an outer ring pipe fixedly installed on the support frame;

[0005] A grinding tank cover is installed in the material conveying port opened on the side of the grinding tank, the inner opening end of the outer ring pipe is rotatably installed on the outside of the grinding tank, a discharge port and a feed port are respectively opened at the upper and lower tops of the outer ring pipe, an arc-shaped sieve plate and an arc-shaped sealing plate are respectively arranged in the discharge port and the feed port, two dialing sieve plates are installed on the outside of the grinding tank, the dialing sieve plates are slidably installed inside the outer ring pipe and the two dialing sieve plates are respectively located on both sides of the material conveying port;

[0006] The grinding tank is provided with an inner lining with both ends symmetric to each other, and the inner diameter size of the inner lining gradually decreases from both ends to the central position;

[0007] The outer ring pipe is installed with a separation mechanism, and when the dialing sieve plates rotate inside the outer ring pipe, the separation mechanism separates the grinding balls and aluminum oxide powder in the mixture.

[0008] Preferably, the separation mechanism includes the arc-shaped screen plate, the ring tube screening area and the downwardly inclined screening pipe, the screening pipe is installed on the outside of the outer ring tube and the top of the screening pipe is connected to the outer ring tube, the top of the screening pipe is lower than the horizontal height of the axis of the outer ring tube, and the bottom end of the screening pipe is connected to the grinding ball outlet pipe.

[0009] Preferably, the bottom end of the outer ring tube is connected to a powder outlet pipe corresponding to the arc-shaped sieve plate, and the powder outlet pipe is located outside the arc-shaped sieve plate.

[0010] Preferably, sieve holes are evenly distributed on the outer side wall of the outer ring tube between the top end of the screening pipe and the arc-shaped screen plate to form the ring tube screening area.

[0011] Preferably, the bottom surface of the lower sieve plate of the screening pipe is connected to an inclined guiding pipe, the bottom end of the inclined guiding pipe is connected to the side of the powder outlet pipe, the upper opening end of the inclined guiding pipe is connected to the outer side wall of the outer ring pipe, and the ring pipe screening area is located in the upper opening end of the inclined guiding pipe.

[0012] Preferably, a discharge control mechanism is installed on the screening pipe, and the discharge control mechanism includes a vertical baffle. A strip-shaped limiting hole is provided on the upper plate of the screening pipe, and the vertical baffle is slidably installed in the strip-shaped limiting hole. A driving component is installed on the lower bottom surface of the ear plate at the top of the vertical baffle. The driving component drives the vertical baffle to slide up and down to adjust the discharge speed of the grinding balls in the screening pipe.

[0013] Preferably, the driving component is an electric telescopic rod or a manual telescopic part, the electric telescopic rod is installed on the upper plate of the screening pipe, and the output end of the electric telescopic rod is connected to the lower bottom surface of the ear plate; the manual telescopic part is a screw rod and an inner screw tube that are threadedly connected to each other, the inner screw tube is rotatably installed on the upper plate of the screening pipe, and the end of the screw rod is fixedly installed on the lower bottom surface of the ear plate.

[0014] Preferably, the maximum and minimum dimensions of the lining thickness are Dmax and Dmin respectively; wherein, 5 cm <Dmax<8cm,0.25cm<Dmax-Dmin<0.5cm。

[0015] Preferably, in the feeding mode, the grinding jar is rotated so that the feeding port corresponds to the feeding port at the top, and the grinding jar cover is removed; a material guide tube with a fan-shaped cross section is installed in the feeding port, and arc-shaped ear plates extending from both ends of the material guide tube are attached to the outside of the outer ring tube. When the material guide tube is installed in the feeding port, the end of the material guide tube extends into the grinding jar;

[0016] Before the mixing mode, the grinding jar is rotated so that the feeding port corresponds to the feeding port at the top, and the grinding jar cover is installed in the feeding port;

[0017] In the unloading mode, the grinding jar is rotated so that the feeding port corresponds to the feeding port at the top, the grinding jar cover is removed, and the arc-shaped sealing plate is installed at the feeding port.

[0018] Preferably, the grinding jar is rotatably mounted between two side frames of the support frame, a plurality of support rods are mounted on the bottom frame of the support frame, and the outer ring pipe and the screening pipeline are supported by the plurality of support rods.

[0019] The beneficial effects of the present invention are:

[0020] 1. The inner diameter of the liner of the present invention gradually decreases from both ends to the center; when unloading, the grinding tank can be rotated slowly, and the mixed material in the liner will gradually slide to the feeding port under the action of gravity and then slide out, so as to realize convenient, clean, safe and efficient discharging.

[0021] 2. When the present invention needs to unload, the grinding jar cover is removed, and the mixture of grinding balls and alumina powder enters the screening chamber, and the mixture in the screening chamber is first screened by the arc sieve plate; when the grinding jar drives the two sieve plates to rotate slowly, the mixture in the screening chamber is further screened by the annular tube screening area; the mixture entering the screening pipe is screened for the third time by the lower sieve plate; the alumina powder screened out by the annular tube screening area and the lower sieve plate is drained to the powder outlet pipe through the inclined connecting pipe, and then collected; after three screenings, the grinding balls and alumina powder in the mixture are screened relatively cleanly; it is convenient, practical, safe, clean and hygienic.

[0022] 3. The present invention controls the outflow speed of the mixed material through the discharge control mechanism, thereby retaining part of the mixed material that may not be screened cleanly in the screening chamber, and re-screening is achieved as the two toggle screen plates rotate, thereby achieving a better screening effect; here, the distance between the bottom end of the vertical baffle and the lower screen plate can be controlled according to the actual screening effect, which is convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention 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 present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 A schematic structural diagram of a raw material grinding device for producing a polishing liquid provided by the present invention in a mixing mode.

[0025] Figure 2 is Figure 1 the top view of

[0026] Figure 3 is Figure 2 the sectional view taken along line A - A in

[0027] Figure 4 is Figure 2 the sectional view taken along line B - B in

[0028] Figure 5 is a schematic structural view of the discharging mode of a raw material grinding device for polishing liquid production provided by the present invention.

[0029] Figure 6 is a schematic structural view of the feeding mode of a raw material grinding device for polishing liquid production provided by the present invention.

[0030] Figure 7 is Figure 6 the vertical sectional view of

[0031] Figure 8 is a schematic structural view of the grinding tank cover in the present invention.

[0032] Figure 9 is a schematic structural view of the material guiding pipe in the present invention.

[0033] Figure 10 is a schematic structural view of the vertical baffle and the driving assembly in the present invention.

[0034] Explanation of reference numerals: 1 - support frame, 11 - side frame, 12 - support rod, 2 - grinding tank, 21 - grinding tank cover, 22 - inner lining, 3 - outer ring pipe, 31 - arc-shaped sieve plate, 32 - arc-shaped sealing plate, 33 - ring pipe sieve partition, 34 - screening pipeline, 341 - grinding ball outlet pipe, 35 - powder outlet pipe, 36 - inclined guiding pipeline, 37 - material guiding pipe, 371 - arc-shaped ear plate, 4 - toggle sieve plate, 5 - vertical baffle, 51 - driving assembly. Detailed implementation manners

[0035] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0036] Embodiment 1:

[0037] As shown in Figures 1 to 10As shown in the figure, this embodiment provides a raw material grinding device for polishing liquid production, including: a grinding tank 2 rotatably installed on a support frame 1, and an outer ring pipe 3 fixedly installed on the support frame 1; specifically, the grinding tank 2 is rotatably installed between the two side frames 11 of the support frame 1, and several support rods 12 are installed on the bottom frame of the support frame 1. The outer ring pipe 3 and the screening pipeline 34 are supported by several support rods 12 to ensure the stable support of the outer ring pipe 3. The grinding tank 2 is rotatably connected to the outer ring pipe 3 through a large bearing. The two side frames 11 play a supporting role for the grinding tank 2, and the outer ring pipe 3 does not support the grinding tank 2. In fact, the power source for driving the grinding tank 2 is a servo motor, and a speed reducer is installed between the servo motor and the grinding tank 2 to achieve the adjustment of the rotation speed of the grinding tank 2. This part is prior art and is not shown in the drawings and will not be elaborated here.

[0038] As Figure 3 and Figure 5 shown in the figure, a grinding tank cover 21 is installed in the material input port opened on the side of the grinding tank 2. The grinding tank cover 21 is located at the center position of the side of the grinding tank 2, that is, at the position where the inner diameter of the inner liner 22 is the smallest. The inner opening end of the outer ring pipe 3 is rotatably installed on the outside of the grinding tank 2. The upper and lower tops of the outer ring pipe 3 are respectively provided with a discharge port and a feed port. Arc-shaped sieve plates 31 and arc-shaped cover plates 32 are respectively arranged in the discharge port and the feed port. The sizes of the discharge port and the feed port are both larger than the material input port to facilitate the loading and unloading of the grinding tank cover 21. Two toggle sieve plates 4 are installed on the outside of the grinding tank 2. The toggle sieve plates 4 are slidably installed inside the outer ring pipe 3 and the two toggle sieve plates 4 are respectively located on both sides of the material input port; in fact, the two toggle sieve plates 4, the outer wall of the outer ring pipe 3 and the outer wall of the grinding tank 2 form a screening cavity. When discharging is required, the grinding tank cover 21 is removed, and the mixture of grinding balls and alumina powder enters the screening cavity. The mixture in the screening cavity is first screened by the arc-shaped sieve plate 31; then as the grinding tank cover 21 slowly rotates, the mixture in the screening cavity is separated from the grinding balls and alumina powder in the mixture through the separation mechanism described below.

[0039] The grinding tank 2 is provided with a lining 22 with two symmetric ends, and the inner diameter dimension of the lining 22 gradually decreases from both ends to the central position. In the existing grinding tank 2, when the grinding tank cover 21 is opened for discharging, only the mixed material located in the middle part of the lining 22 can smoothly slide out; while most of the mixed material located at both ends of the lining 22 needs to be manually scooped out, and this process is cumbersome and not clean and hygienic. In this application, the inner diameter dimension of the lining 22 is set to gradually decrease from both ends to the central position; when discharging, as long as the grinding tank 2 is slowly rotated, the mixed material in the lining 22 will gradually slide down to the feeding port position and then slide out under the action of gravity, realizing convenient, clean, safe and efficient discharging. More specifically, the maximum dimension and the minimum dimension of the thickness of the lining 22 are Dmax and Dmin respectively; among them, 5 cm < Dmax < 8 cm, 0.25 cm < Dmax - Dmin < 0.5 cm; the thickness of the lining 22 of the existing grinding tank 2 is generally 4 - 8 cm, which can meet the requirements; if the gap between the inner diameter Dmin at the central position and the inner diameter Dmax at both ends of the lining 22 is too large, it will not only cause the insufficient thickness of the lining at the central position, but also cause all the mixed material in the lining 22 to accumulate at the central position; and setting 0.25 cm < Dmax - Dmin < 0.5 cm, the gap between both ends and the central position is not large, which can meet the discharging requirements and at the same time can better avoid the accumulation of the mixed material at the central position during grinding, which is convenient and practical.

[0040] Please refer to Figures 5 to 7As shown, a separation mechanism is installed in the outer ring pipe 3. When the toggle sieve plate 4 rotates inside the outer ring pipe 3, the separation mechanism separates the grinding balls and alumina powder in the mixed material. Specifically, the separation mechanism includes an arc sieve plate 31, a ring pipe sieve partition area 33, and a slant-down screening pipeline 34. The screening pipeline 34 is installed on the outside of the outer ring pipe 3 and the top end of the screening pipeline 34 communicates with the outer ring pipe 3. The top end of the screening pipeline 34 is lower than the horizontal height of the axis of the outer ring pipe 3 to ensure that when the mixed material in the screening cavity rotates to the top end of the screening pipeline 34, the mixed material can slide into the screening pipeline 34 under the action of gravity. The bottom end of the screening pipeline 34 is connected to a grinding ball outlet pipe 341 for the screened grinding balls to slide out and be collected. More specifically, the bottom end of the outer ring pipe 3 is connected to a powder outlet pipe 35 corresponding to the arc sieve plate 31. The powder outlet pipe 35 is located outside the arc sieve plate 31 to facilitate the outflow and collection of the screened alumina powder. More specifically, sieve holes are evenly formed on the outer side wall of the outer ring pipe 3 between the top end of the screening pipeline 34 and the arc sieve plate 31 to form the ring pipe sieve partition area 33. When the grinding tank 2 drives the two toggle sieve plates 4 to rotate slowly, the mixed material in the screening cavity is further screened through the ring pipe sieve partition area 33. More specifically, the bottom surface of the lower sieve plate 341 of the screening pipeline 34 is connected to an inclined guiding pipeline 36. The bottom end of the inclined guiding pipeline 36 communicates with the side surface of the powder outlet pipe 35. The upper opening end of the inclined guiding pipeline 36 is connected to the outer side wall of the outer ring pipe 3. The ring pipe sieve partition area 33 is located inside the upper opening end of the inclined guiding pipeline 36. In actual use, the mixed material entering the screening pipeline 34 is screened for the third time through the lower sieve plate 341. The alumina powder screened by the ring pipe sieve partition area 33 and the lower sieve plate 341 is drained to the powder outlet pipe 35 through the inclined guiding pipeline 36 and then collected. After three screenings, the grinding balls and alumina powder in the mixed material are screened relatively cleanly.

[0041] Please refer to Figure 5 and Figure 10As shown in the figure, a discharge control mechanism is installed on the screening pipeline 34. The discharge control mechanism includes a vertical baffle 5. A strip-shaped limiting hole is opened on the upper plate of the screening pipeline 34. The vertical baffle 5 is slidably installed in the strip-shaped limiting hole. The lower bottom surface of the ear plate at the top of the vertical baffle 5 is installed with a driving component 51. The driving component 51 drives the vertical baffle 5 to slide up and down to adjust the discharge speed of the grinding balls in the screening pipeline 34. Specifically, the driving component 51 is an electric telescopic rod or a manual telescopic part. The electric telescopic rod is installed on the upper plate of the screening pipeline 34, and the output end of the electric telescopic rod is connected to the lower bottom surface of the ear plate; the manual telescopic part is a screw rod and an internal screw tube that are threadedly connected to each other. The internal screw tube is rotatably installed on the upper plate of the screening pipeline 34, and the end of the screw rod is fixedly installed on the lower bottom surface of the ear plate. During actual use, the distance between the bottom end of the vertical baffle 5 and the lower sieve plate 341 is adjusted through the driving component 51, thereby adjusting the discharge speed of the grinding balls; this design can prevent the mixed material from discharging too quickly from the screening pipeline 34, resulting in incomplete screening; for the mixed material in the screening cavity, the part of the mixed material far from the axis of the grinding tank 2 is screened more thoroughly after three screenings, while the part of the mixed material close to the axis of the grinding tank 2 may not be screened cleanly; therefore, the discharge speed of the mixed material is controlled through the discharge control mechanism, and the part of the mixed material that may not be screened cleanly is retained in the screening cavity, and is screened again as the two dial sieve plates 4 rotate to achieve a better screening effect; here, the distance between the bottom end of the vertical baffle 5 and the lower sieve plate 341 can be controlled according to the actual screening effect, which is convenient and practical.

[0042] Please refer to Figure 6 and Figure 7 As shown in the figure, in the feeding mode, the grinding tank 2 rotates so that the feeding port corresponds to the top feeding port. The grinding tank cover 21 is removed. The grinding tank cover 21 and the grinding tank 2 are fixedly connected by screws, and it is also convenient to remove them with an electric wrench; at the same time, the grinding tank cover 21 is also provided with a handle, which is not shown in the figure for convenient removal and handling; a guide pipe 37 with a fan-shaped cross-section is installed in the feeding port. The arc-shaped ear plates 371 extending at both ends of the guide pipe 37 are attached to the outside of the outer ring pipe 3. When the guide pipe 37 is installed in the feeding port, the end of the guide pipe 37 extends into the grinding tank 2; by providing the guide pipe 37, feeding can be conveniently achieved. Before the mixing mode, the grinding tank 2 rotates so that the feeding port corresponds to the top feeding port, and the grinding tank cover 21 is installed in the feeding port; at the same time, the arc-shaped sealing plate 32 is installed in the feeding port. In the discharging mode, the grinding tank 2 rotates so that the feeding port corresponds to the top feeding port, the grinding tank cover 21 is removed, and the arc-shaped sealing plate 32 is installed in the feeding port; at the same time, the distance between the bottom end of the vertical baffle 5 and the lower sieve plate 341 is adjusted for discharging.

[0043] Obviously, those skilled in the art can make various modifications and variations 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 equivalent technologies, the present invention is also intended to include these modifications and variations.

Claims

1. A raw material grinding device for polishing liquid production, characterized in that, Comprising: A grinding tank (2) rotatably mounted on a support frame (1), and an outer ring pipe (3) fixedly mounted on the support frame (1); A grinding tank cover (21) is installed in the material feeding port opened on the side of the grinding tank (2), the inner opening end of the outer ring pipe (3) is rotatably mounted on the outside of the grinding tank (2), a discharge port and a feeding port are respectively opened at the upper and lower tops of the outer ring pipe (3), an arc-shaped sieve plate (31) and an arc-shaped sealing plate (32) are respectively arranged in the discharge port and the feeding port, two dial sieve plates (4) are installed on the outside of the grinding tank (2), the dial sieve plates (4) are slidably mounted inside the outer ring pipe (3) and the two dial sieve plates (4) are respectively located on both sides of the material feeding port; The grinding tank (2) is provided with linings (22) symmetrically arranged at both ends, and the inner diameter of the linings (22) gradually decreases from both ends to the central position; The outer ring pipe (3) is equipped with a separation mechanism. When the dial sieve plates (4) rotate inside the outer ring pipe (3), the separation mechanism separates the grinding balls and alumina powder in the mixed material.

2. The raw material grinding device for polishing liquid production according to claim 1, characterized in that, The separation mechanism includes the arc-shaped sieve plate (31), a ring pipe sieve partition area (33) and an inclined downward screening pipeline (34). The screening pipeline (34) is installed on the outside of the outer ring pipe (3) and the top end of the screening pipeline (34) is communicated with the outer ring pipe (3). The top end of the screening pipeline (34) is lower than the horizontal height of the axis of the outer ring pipe (3), and the bottom end of the screening pipeline (34) is connected to a grinding ball outlet pipe (341).

3. The raw material grinding device for polishing liquid production according to claim 2, wherein, The bottom end of the outer ring pipe (3) is connected to a powder outlet pipe (35) corresponding to the arc-shaped sieve plate (31), and the powder outlet pipe (35) is located outside the arc-shaped sieve plate (31).

4. The raw material grinding device for polishing liquid production according to claim 3, characterized in that, Sieve holes are uniformly opened on the outer side wall of the outer ring pipe (3) between the top end of the screening pipeline (34) and the arc-shaped sieve plate (31) to form the ring pipe sieve partition area (33).

5. The raw material grinding device for polishing liquid production according to claim 4, characterized in that, The bottom surface of the lower sieve plate (341) of the screening pipeline (34) is connected to an inclined guiding pipeline (36). The bottom end of the inclined guiding pipeline (36) is communicated with the side surface of the powder outlet pipe (35), the upper opening end of the inclined guiding pipeline (36) is connected to the outer side wall of the outer ring pipe (3), and the ring pipe sieve partition area (33) is located inside the upper opening end of the inclined guiding pipeline (36).

6. The raw material grinding device for polishing liquid production according to claim 5, characterized in that, A discharge control mechanism is installed on the screening pipeline (34). The discharge control mechanism includes a vertical baffle (5). A strip-shaped limiting hole is opened on the upper plate of the screening pipeline (34). The vertical baffle (5) is slidably mounted in the strip-shaped limiting hole. The lower bottom surface of the ear plate at the top end of the vertical baffle (5) is installed with a driving component (51). The driving component (51) drives the vertical baffle (5) to slide up and down to adjust the discharging speed of the grinding balls in the screening pipeline (34).

7. The raw material grinding device for polishing liquid production according to claim 6, characterized in that, The driving component (51) is an electric telescopic rod or a manual telescopic member. The electric telescopic rod is installed on the upper plate of the screening pipeline (34), and the output end of the electric telescopic rod is connected to the lower bottom surface of the ear plate; the manual telescopic member is a screw rod and an internal screw tube that are threadedly connected to each other. The internal screw tube is rotatably installed on the upper plate of the screening pipeline (34), and the end of the screw rod is fixedly installed on the lower bottom surface of the ear plate.

8. The raw material grinding device for polishing liquid production according to claim 1 or 7, characterized in that, The maximum and minimum dimensions of the thickness of the inner lining (22) are Dmax and Dmin respectively; among them, 5 cm < Dmax < 8 cm, and 0.25 cm < Dmax - Dmin < 0.5 cm.

9. The raw material grinding device for polishing liquid production according to claim 8, characterized in that, In the feeding mode, the grinding tank (2) rotates so that the material conveying port corresponds to the feeding port at the top, and the grinding tank cover (21) is removed; a guide pipe (37) with a sector-shaped cross-section is installed in the feeding port. The arc-shaped ear plates (371) extending from both ends of the guide pipe (37) are attached to the outer side of the outer ring pipe (3). When the guide pipe (37) is installed in the feeding port, the end of the guide pipe (37) extends into the grinding tank (2). Before the mixing mode, the grinding tank (2) rotates so that the material conveying port corresponds to the feeding port at the top, and the grinding tank cover (21) is installed in the material conveying port. In the discharging mode, the grinding tank (2) rotates so that the material conveying port corresponds to the feeding port at the top, the grinding tank cover (21) is removed, and the arc-shaped sealing plate (32) is installed at the feeding port.

10. A raw material grinding device for polishing liquid production according to claim 9, characterized in that, The grinding tank (2) is rotatably installed between the two side frames (11) of the support frame (1). A number of support rods (12) are installed on the bottom frame of the support frame (1), and the outer ring pipe (3) and the screening pipeline (34) are supported by a number of the support rods (12).

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