Stirring mechanism and grinding aid recovery device

By designing a stirring mechanism and fixing components that can adjust the size and deployment angle, the problem that the abrasive agent recovery device in the prior art cannot adapt to the liquid storage barrels of different sizes is solved, and efficient recycling and convenient fixation and recycling of the liquid storage barrels are achieved. .

CN222446053UActive Publication Date: 2025-02-11GUIYANG KEBAITE NEW ENVIRONMENTALLY FRIENDLY MATERIALS CO LTD
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Patent Information

Application Number
CN202420595326.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2025-02-11
Estimated Expiration
2034-03-26

AI Technical Summary

Technical Problem

The existing abrasive retrieval device cannot adapt to different sizes of abrasive rechargeable liquid storage barrels, which makes it difficult for the stirring blades to expand or shrink, affecting the recycling efficiency.

Method used

A stirring mechanism including a lifting assembly and a stirring assembly is designed to adapt to different sizes of the liquid storage barrels by adjusting the size and deployment angle of the stirring assembly, and facilitate the fixing and recycling of the liquid storage barrels through the fixing assembly.

Benefits of technology

It realizes the flexible adaptability of the stirring assembly, can effectively recover residues in different sizes of abrasive liquid storage tanks, improves recycling efficiency, and facilitates the fixing and recycling process of the liquid storage tank.

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Abstract

The utility model relates to the technical field of stirring mechanisms, in particular to a stirring mechanism and a grinding aid recovery device, which comprises a lifting component, a stirring component, a grinding aid recovery component and a stirring component, the stirring assembly is arranged on the lifting support and comprises a liquid storage barrel arranged at the bottom of the lifting support, a power part arranged at the bottom of the lifting support and a plurality of groups of stirring pieces arranged on one side of the power part and matched with the interior of the liquid storage barrel. The device has the beneficial effects that the size of the stirring assembly can be adjusted by arranging the stirring assembly and the lifting assembly, so that the device can adapt to grinding aid liquid storage barrels with different sizes.
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Description

Technical Field

[0001] The utility model relates to the technical field of stirring mechanisms, in particular to a stirring mechanism and a grinding aid recovery device. Background Art

[0002] Grinding aids are composed of one or more surfactant substances and other chemical additives. They can significantly reduce the surface energy of the powder during the grinding process of cement materials, overcome the attraction between the powders, reduce the crushing resistance, prevent the balls from sticking, and improve the fluidity of the powder, thereby reducing the power consumption of the mill and improving the grinding efficiency. Existing liquid cement grinding aids are usually packaged in barrels. After use, it is easy to leave residues on the inner wall of the barrel, resulting in waste of grinding aids.

[0003] During use, there are some problems with the grinding aid recovery device. Existing grinding aid recovery devices mostly add water to the original barrel of the grinding aid for stirring, but the original barrel of the grinding aid has different sizes and cannot adapt to all stirring mechanisms. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problem that the stirring blades in the above or prior art are difficult to adapt to the size of the liquid storage barrel, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a stirring mechanism, which can change the deployment angle of the stirring blades and can adapt to different grinding aid storage barrels.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a stirring mechanism, comprising a lifting assembly, including a base, a lifting bracket arranged on the top of the base, and a driving member connected between the base and the lifting bracket; and a stirring assembly, wherein the stirring assembly is arranged on the lifting bracket, and the stirring assembly includes a liquid storage barrel arranged at the bottom of the lifting bracket, a power unit arranged at the bottom of the lifting bracket, and a plurality of stirring members arranged on one side of the power unit and adapted to the inside of the liquid storage barrel.

[0008] As a preferred solution of the stirring mechanism of the utility model, the driving member includes a driving wheel arranged at the top of the base and rotatably connected to the base, and a lifting screw fixedly connected to the driving wheel.

[0009] As a preferred solution of the stirring mechanism of the utility model, the lifting bracket includes a connecting plate threadedly connected to the lifting screw on one side, a positioning rod slidably connected to the other side of the connecting plate, and a limiting rod arranged between the lifting screw and the top end of the positioning rod.

[0010] As a preferred solution of the stirring mechanism of the utility model, the power part includes a stirring column arranged on the connecting plate, and an elastic member arranged between the stirring column and the stirring member.

[0011] As a preferred solution of the stirring mechanism of the utility model, wherein: the stirring member includes a connecting ring arranged on the stirring column, two groups of stirring blades symmetrically arranged on the connecting ring and rotatably connected to the connecting ring, a rotating shaft arranged between the connecting ring and the stirring blades and fixedly connected to the stirring blades, and a slide fixedly connected to one end of the rotating shaft; wherein the two ends of the rotating shaft pass through the side walls of the connecting ring and are rotatably connected to the connecting ring.

[0012] As a preferred solution of the stirring mechanism of the utility model, the elastic member includes a pressure rod arranged inside the stirring column, a spring arranged between the pressure rod and the stirring column, and a plurality of groups of fixing rods arranged on the pressure rod.

[0013] As a preferred solution of the stirring mechanism of the utility model, wherein: a transverse positioning groove is provided at one end of the slide plate close to the stirring column, both ends of the fixing rod are respectively slidably arranged in the positioning grooves on the two groups of slide plates, and the end of the slide plate away from the stirring column is fixedly connected to the end of the rotating shaft.

[0014] The beneficial effects of the utility model are as follows: the utility model is provided with a stirring component and a lifting component, so that the size of the stirring component can be adjusted to adapt to grinding aid liquid storage barrels of different sizes.

[0015] In view of the fact that in actual use, there is still the problem that the liquid storage barrel is inconvenient to fix and recycle.

[0016] In order to solve the above technical problems, the utility model also provides the following technical solutions: a grinding aid recovery device, including a stirring mechanism and a fixed component, wherein the fixed component is arranged at the bottom end of a liquid storage barrel, and the fixed component includes a fixing part movably connected to the liquid storage barrel, and a bottom plate arranged at the bottom end of the liquid storage barrel and slidably connected to the fixing part.

[0017] As a preferred solution of the grinding aid recovery device of the utility model, the fixing part includes a fixed semicircular ring arranged on one side of the liquid storage barrel, a movable semicircular ring arranged on the other side of the liquid storage barrel, and a connecting part arranged symmetrically at the connection between the fixed semicircular ring and the movable semicircular ring, wherein a slider is arranged at the bottom end of the movable semicircular ring, a slide groove matching the slider is arranged on the bottom plate, and the slider is slidably connected to the slide groove.

[0018] As a preferred solution of the grinding aid recovery device of the utility model, the connecting member includes two connecting rods symmetrically arranged on the fixed semicircular ring and the movable semicircular ring, and a fixing buckle arranged between the two connecting rods.

[0019] The beneficial effects of the utility model are as follows: the fixing assembly and the bottom plate are provided, so that the liquid storage barrel can be conveniently fixed and recovered. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0021] Figure 1 It is a schematic diagram of the internal structure of the utility model.

[0022] Figure 2 It is a structural schematic diagram of the power unit and the stirring element in the utility model.

[0023] Figure 3 It is a schematic diagram of the internal structure of the stirring blades in the utility model when they are in an expanded state.

[0024] Figure 4 for Figure 3 A is an enlarged view of the middle image.

[0025] Figure 5 It is a schematic diagram of the internal structure of the stirring blade in the retracted state of the utility model.

[0026] Figure 6 for Figure 5 Enlarged view of B.

[0027] Figure 7 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0028] Figure 8 for Figure 7 Enlarged view of C in the middle. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0032] Example 1

[0033] Reference Figure 1 , which is the first embodiment of the utility model, and this embodiment provides a stirring component that can adapt to grinding aid storage barrels of different sizes. It includes a lifting component 100 and a stirring component 200. By setting the lifting component 100 and the stirring component 200, the height and size of the stirring component 200 can be adjusted to adapt to grinding aid storage barrels of different sizes.

[0034] Specifically, the lifting assembly 100 includes a base 101, a lifting bracket 102 arranged on the top of the base 101, and a driving member 103 connected between the base 101 and the lifting bracket 102; the base 101 is provided to fix the driving member 103, the lifting bracket 102 is used to drive the stirring assembly 200 to rise and fall, and the driving member 103 is used to drive the lifting bracket 102 to rise and fall.

[0035] Further, the stirring assembly 200 is arranged on the lifting bracket 102, and the stirring assembly 200 includes a liquid storage barrel 201 arranged at the bottom of the lifting bracket 102, a power unit 202 arranged at the bottom of the lifting bracket 102, and a plurality of stirring members 203 arranged on one side of the power unit 202 and adapted to the inside of the liquid storage barrel 201. The liquid storage barrel 201 is an original barrel for storing grinding aids. After adding water to the inside of the liquid storage barrel 201, the stirring assembly 200 is used for stirring to dissolve the residual grinding aids in the water, and then the liquid after stirring is processed to recover the residual grinding aids in the liquid storage barrel 201. The power unit 202 is used to expand and contract the stirring member 203, and the stirring member 203 is used to stir inside the liquid storage barrel 201.

[0036] Operation process: When in use, the driving member 103 drives the lifting bracket 102, driving the stirring member 203 and the power unit 202 downward to enter the liquid storage barrel 201, and water is added to the liquid storage barrel 201. When the power unit 202 contacts the bottom of the barrel, the stirring member 203 is unfolded to stir.

[0037] In summary, by providing the lifting assembly 100 and the stirring assembly 200 , the height and size of the stirring assembly 200 can be adjusted to adapt to liquid storage barrels of different sizes.

[0038] Example 2

[0039] Reference Figures 2 to 6 , which is the second embodiment of the utility model. Different from the previous embodiment, this embodiment provides further optimization of the stirring mechanism and solves the problem of expansion and contraction of the stirring blades.

[0040] Specifically, the driving member 103 includes a driving wheel 103a disposed at the top of the base 101 and rotatably connected to the base 101, and a lifting screw 103b fixedly connected to the driving wheel 103a. When in use, the driving wheel 103a is used to drive the lifting screw 103b to rotate, thereby driving the connecting plate 102a to move up and down; at the same time, the driving wheel 103a can be replaced by a motor to drive the lifting screw 103b.

[0041] Furthermore, the lifting bracket 102 includes a connecting plate 102a having one side threadedly connected to the lifting screw 103b, a positioning rod 102b slidably connected to the other side of the connecting plate 102a, and a limiting rod 102c arranged between the lifting screw 103b and the top of the positioning rod 102b. When in use, the connecting plate 102a is provided with a through hole adapted to the size of the positioning rod 102b, and the positioning rod 102b is arranged in the through hole. The positioning rod 102b is used to stabilize the connecting plate 102a so that the connecting plate 102a does not shake during the sliding process. The limiting rod 102c is used to prevent the connecting plate 102a from sliding out of the lifting screw 103b.

[0042] Furthermore, the power unit 202 includes a stirring column 202a disposed on the connecting plate 102a, and an elastic member 202b disposed between the stirring column 202a and the stirring member 203. The stirring member 203 includes a connecting ring 203a disposed on the stirring column 202a, two groups of stirring blades 203b symmetrically disposed on the connecting ring 203a and rotatably connected to the connecting ring 203a, a rotating shaft 203c disposed between the connecting ring 203a and the stirring blades 203b and fixedly connected to the stirring blades 203b, and a sliding plate 203d fixedly connected to one end of the rotating shaft 203c; wherein both ends of the rotating shaft 203c pass through the side walls of the connecting ring 203a and are rotatably connected to the connecting ring 203a. The stirring column 202a is connected to the connecting plate 102a, and the connecting plate 102a drives the stirring column 202a to move up and down, driving the stirring member 203 to enter the liquid storage barrel 201, and moves until the bottom end of the elastic member 202b contacts the bottom end of the liquid storage barrel 201, and then continues to move downward, so that the elastic member 202b moves upward relative to the stirring column 202a, thereby driving the end of the slide plate 203d close to the stirring column 202a to slide downward, so that the slide plate 203d drives the rotating shaft 203c to rotate counterclockwise, and drives the stirring blade 203b to expand. When the stirring is completed, the stirring column 202a is away from the bottom end of the liquid storage barrel 201, and the elastic member 202b moves downward relative to the stirring column 202a, driving the end of the slide plate 203d close to the stirring column 202a to slide upward, so that the slide plate 203d drives the rotating shaft 203c to rotate clockwise, driving the stirring blade 203b to shrink, and the connecting plate 102a drives the stirring member 203 to rise and away from the liquid storage barrel 201. The connecting ring 203a is used to connect the stirring blade 203b and the stirring column 202a.

[0043] Preferably, the elastic member 202b includes a pressure rod 202b-1 disposed inside the stirring column 202a, a spring 202b-2 disposed between the pressure rod 202b-1 and the stirring column 202a, and a plurality of groups of fixing rods 202b-3 disposed on the pressure rod 202b-1. A horizontal positioning groove 203d-1 is disposed at one end of the slide plate 203d close to the stirring column 202a, and both ends of the fixing rod 202b-3 are respectively slidably disposed in the positioning grooves 203d-1 on the two groups of slide plates 203d, and one end of the slide plate 203d away from the stirring column 202a is fixedly connected to the end of the rotating shaft 203c. When the stirring column 202a moves down to the bottom of the barrel and continues to move down, the pressure rod 202b-1 moves upward relative to the stirring column 202a. During the movement, the fixed rod 202b-3 slides upward in the positioning groove 203d-1 of the slide plate 203d, so that the rotating shaft 203c rotates counterclockwise, so that the stirring blade 203b is unfolded. When the stirring column 202a moves up away from the bottom of the barrel, the pressure rod 202b-1 moves downward relative to the stirring column 202a under the action of the spring 202b-2, and the fixed rod 202b-3 slides downward in the positioning groove 203d-1 of the slide plate 203d, so that the rotating shaft 203c rotates clockwise, so that the stirring blade 203b shrinks. At the beginning, the stirring blade 203b is in a retracted state, and the bottom end of the pressure rod 202b-1 extends out of the outer end of the stirring column 202a. When the stirring blade 203b is in an unfolded state, the pressure rod 202b-1 shrinks into the interior of the stirring column 202a.

[0044] Operation process: When in use, the lifting screw 103b rotates, driving the stirring member 203 to move downward into the liquid storage barrel 201. Move until the stirring column 202 contacts the bottom end of the liquid storage barrel 201. During this process, the pressure rod 202b-1 shrinks into the inside of the stirring column 202a, and the pressure rod 202b-1 moves upward relative to the stirring column 202a. The fixed rod 202b-3 also moves upward relative to the stirring column 202a. The fixed rod 202b-3 slides on the positioning groove 203d-1 of the slide plate 203d, driving the slide plate 203d to move upward, driving the rotating shaft 203c to rotate counterclockwise. , causing the stirring blade 203b to unfold. When the stirring column 202a is away from the inner bottom end of the liquid storage barrel 201, the pressure rod 202b-1 moves downward relative to the stirring column 202a, and the fixed rod 202b-3 also moves downward relative to the stirring column 202a. The fixed rod 202b-3 slides down in the positioning groove 203d-1 of the slide plate 203d, driving the slide plate 203d to move downward, driving the rotating shaft 203c to rotate clockwise, causing the stirring blade 203b to shrink.

[0045] In summary, by providing the stirring member 203 and the power unit 202 , the unfolding angle of the stirring blade 203 b can be changed, making it easier for the stirring blade 203 b to enter the liquid storage barrel 201 .

[0046] Example 3

[0047] Reference Figure 7 , 8 , which is the third embodiment of the utility model, is different from the previous embodiment in that this embodiment provides a grinding aid recovery device, solves the problem of fixing and recovering the liquid storage barrel, and includes a fixing assembly 300, which is arranged at the bottom end of the liquid storage barrel 201, and includes a fixing member 301 movably connected to the liquid storage barrel 201, and a bottom plate 302 arranged at the bottom end of the liquid storage barrel 201 and slidably connected to the fixing member 301. The fixing assembly 300 is used to fix the liquid storage barrel 201 to prevent the liquid storage barrel 201 from shaking during the stirring process, thereby affecting the stirring effect; at the same time, it is convenient to recover the liquid storage barrel 201.

[0048] Specifically, the fixing member 301 includes a fixed semicircular ring 301a disposed on one side of the liquid storage barrel 201, a movable semicircular ring 301b disposed on the other side of the liquid storage barrel 201, and a connecting member 301c disposed at the connection between the fixed semicircular ring 301a and the movable semicircular ring 301b and symmetrically disposed, wherein a slider 301b-1 is disposed at the bottom end of the movable semicircular ring 301b, a slide groove 302a matching the slider 301b-1 is disposed on the bottom plate 302, and the slider 301b-1 is slidably connected to the slide groove 302a. The connecting member 301c includes two connecting rods 301c-1 symmetrically disposed between the fixed semicircular ring 301a and the movable semicircular ring 301b, and a fixing buckle 301c-2 disposed between the two connecting rods 301c-1. A T-shaped slider 301 b - 1 is disposed at the bottom end of the movable semicircular ring 301 b , and a sliding groove matching the slider 301 b - 1 is disposed on the bottom plate 302 , and the movable semicircular ring 301 b slides on the bottom plate 302 .

[0049] Operation process: When in use, place the liquid storage barrel 201 close to the fixed semicircular ring 301a, then move the movable semicircular ring 301b to contact the fixed semicircular ring 301a, fix the fixing buckle 301c-2 to the two connecting rods 301c-1, and fix the liquid storage barrel 201. When disassembling, remove the fixing buckle 301c-2, slide the movable semicircular ring 301b to the side, and remove the liquid storage barrel 201.

[0050] In summary, by providing the fixing member 300 , the liquid storage barrel 201 can be conveniently fixed and recovered.

[0051] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0052] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0053] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0054] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A stirring mechanism, characterized in that: include, A lifting assembly (100) comprises a base (101), a lifting bracket (102) arranged on the top of the base (101), and a driving member (103) connected between the base (101) and the lifting bracket (102); and, A stirring assembly (200), the stirring assembly (200) being arranged on the lifting bracket (102), the stirring assembly (200) comprising a liquid storage barrel (201) arranged at the bottom of the lifting bracket (102), a power unit (202) arranged at the bottom of the lifting bracket (102), and a plurality of stirring members (203) arranged at one side of the power unit (202) and adapted to the inside of the liquid storage barrel (201); The stirring member (203) comprises a connecting ring (203a) arranged on the stirring column (202a), two groups of stirring blades (203b) symmetrically arranged on the connecting ring (203a) and rotatably connected to the connecting ring (203a), a rotating shaft (203c) arranged between the connecting ring (203a) and the stirring blades (203b) and fixedly connected to the stirring blades (203b), and a sliding plate (203d) fixedly connected to one end of the rotating shaft (203c); Wherein, both ends of the rotating shaft (203c) pass through the side walls of the connecting ring (203a) and are rotatably connected to the connecting ring (203a).

2. The stirring mechanism according to claim 1, characterized in that: The driving member (103) comprises a driving wheel (103a) arranged at the top of the base (101) and rotatably connected to the base (101), and a lifting screw (103b) fixedly connected to the driving wheel (103a).

3. The stirring mechanism according to claim 1, characterized in that: The lifting bracket (102) comprises a connecting plate (102a) having one side threadedly connected to a lifting screw rod (103b), a positioning rod (102b) slidably connected to the other side of the connecting plate (102a), and a limiting rod (102c) arranged between the lifting screw rod (103b) and the top end of the positioning rod (102b).

4. The stirring mechanism according to any one of claims 1 to 3, characterized in that: The power unit (202) comprises a stirring column (202a) arranged on a connecting plate (102a), and an elastic member (202b) arranged between the stirring column (202a) and the stirring member (203).

5. The stirring mechanism according to claim 4, characterized in that: The elastic member (202b) comprises a pressure rod (202b-1) arranged inside the stirring column (202a), a spring (202b-2) arranged between the pressure rod (202b-1) and the stirring column (202a), and a plurality of groups of fixing rods (202b-3) arranged on the pressure rod (202b-1).

6. The stirring mechanism according to claim 5, characterized in that: A transverse positioning groove (203d-1) is provided at one end of the slide plate (203d) close to the stirring column (202a); two ends of the fixed rod (202b-3) are respectively slidably arranged in the positioning grooves (203d-1) on the two groups of slide plates (203d); and one end of the slide plate (203d) away from the stirring column (202a) is fixedly connected to the end of the rotating shaft (203c).

7. A grinding aid recovery device, characterized in that: The stirring mechanism comprises any one of claims 1 to 6, and A fixing assembly (300) is arranged at the bottom end of the liquid storage barrel (201), and comprises a fixing member (301) movably connected to the liquid storage barrel (201), and a bottom plate (302) arranged at the bottom end of the liquid storage barrel (201) and slidably connected to the fixing member (301).

8. The grinding aid recovery device according to claim 7, characterized in that: The fixing member (301) comprises a fixed semicircular ring (301a) arranged on one side of the liquid storage barrel (201), a movable semicircular ring (301b) arranged on the other side of the liquid storage barrel (201), and a connecting member (301c) arranged symmetrically at the connection between the fixed semicircular ring (301a) and the movable semicircular ring (301b). The bottom end of the movable semicircular ring (301b) is provided with a sliding block (301b-1), the bottom plate (302) is provided with a sliding groove (302a) matching the sliding block (301b-1), and the sliding block (301b-1) is slidably connected to the sliding groove (302a).

9. The grinding aid recovery device according to claim 8, characterized in that: The connecting member (301c) comprises two connecting rods (301c-1) symmetrically arranged on the fixed semicircular ring (301a) and the movable semicircular ring (301b), and a fixing buckle (301c-2) arranged between the two connecting rods (301c-1).