Grinding fluid mixing device capable of conveniently and rapidly mixing materials

Abstract

The utility model discloses a grinding fluid mixing device convenient for fast mixing, which relates to the field of grinding fluid mixing devices, and comprises a tank body, a stirring shaft in contact with the bottom surface of the inner wall is rotatably connected in the tank body, the bottom end of the stirring shaft is circumferentially connected with inclined scrapers at intervals, and the bottom ends of the scrapers are in contact with the bottom surface of the inner wall of the tank body. According to the utility model, the stirring shaft contacted with the bottom wall is rotationally arranged in the tank body, and the bottom end of the stirring shaft is connected with the scraper blade in an inclined state, so that the scraper blade is contacted with the bottom wall in the tank body, sunk grinding materials are scraped in the rotating process of the stirring shaft, the grinding materials are fully mixed with a solution, and further, the mixing uniformity of grinding liquid is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of polishing liquid mixing device, concretely to a kind of polishing liquid mixing device of quick mixing. BACKGROUND

[0002] Polishing liquid is prepared by dispersing abrasive particles in medium, and it is a kind of polishing product with excellent chemical mechanical properties, which can be used for polishing and polishing of silicon wafer, compound crystal, precision optical device, liquid crystal panel, gem, metal workpiece, etc. Abrasive particles are the key factor of the mechanical action of polishing liquid. Different types and different particle sizes of abrasive particles have different grinding effects and are suitable for different processing requirements.

[0003] The Chinese patent with the related announcement number CN218307671U discloses a kind of polishing liquid mixing device of quick mixing, including mixing device main part, the right side of mixing device main part is connected with discharge port, the upper end of discharge port is installed with first control valve, the upper end of mixing device main part is connected with connecting pipe, the front of connecting pipe is installed with second control valve, the upper end of connecting pipe is provided with pretreatment component, the inside of mixing device main part is provided with mixing component, the lower end of mixing device main part is installed with tripod, the lower end of tripod is provided with up-and-down shaking component, the lower end of up-and-down shaking component is connected with base.

[0004] The existing polishing liquid quick mixing device adopts the mode of vibration to make abrasive material uniformly mixed into solution, but the weight of abrasive material used by the existing polishing liquid is relatively heavy, and the phenomenon of accumulation and sedimentation is easy to occur during mixing and stirring. The abrasive material with heavy weight is more likely to sink when the shaking component shakes, and the solution with light weight is separated from the abrasive material, so that the stirring and mixing effect is not good. In summary, the existing polishing liquid quick mixing device is not easy to realize relatively uniform mixing. UTILITY MODEL CONTENT

[0005] Therefore, the utility model aims at providing a kind of polishing liquid mixing device of quick mixing to solve the technical problem that the existing polishing liquid quick mixing device is not easy to realize relatively uniform mixing.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of polishing liquid mixing device of quick mixing, including tank body, the tank body is rotatably connected with the stirring shaft in contact with inner wall bottom surface, the bottom end of stirring shaft is connected with the inclined scraper along the ring direction, and the bottom end of scraper is in contact with the bottom surface of tank body inner wall.

[0007] By adopting the technical scheme, the stirring shaft is arranged to rotate in the tank body and is in contact with the bottom wall, and the scraper in the inclined state is connected to the bottom end of the stirring shaft, so that the scraper is in contact with the bottom wall in the tank body, the sinking abrasive is scraped up in the process of rotation of the stirring shaft, the abrasive is fully mixed with the solution, and the uniformity of the polishing liquid mixture is effectively improved.

[0008] The utility model further sets up, the top fixed connection of jar body has the mixing box of inclination, be provided with the mixing structure for mixing polishing liquid in the mixing box.

[0009] By adopting the technical scheme, the stirring shaft is arranged to rotate in the tank body and is in contact with the bottom wall, and the scraper in the inclined state is connected to the bottom end of the stirring shaft, so that the scraper is in contact with the bottom wall in the tank body, the sinking abrasive is scraped up in the process of rotation of the stirring shaft, the abrasive is fully mixed with the solution, and the uniformity of the polishing liquid mixture is effectively improved.

[0010] The utility model further sets up, the top fixed connection of jar body has the mixing box of inclination, be provided with the mixing structure for mixing polishing liquid in the mixing box.

[0011] By adopting the technical scheme, the stirring shaft is arranged to rotate in the tank body and is in contact with the bottom wall, and the scraper in the inclined state is connected to the bottom end of the stirring shaft, so that the scraper is in contact with the bottom wall in the tank body, the sinking abrasive is scraped up in the process of rotation of the stirring shaft, the abrasive is fully mixed with the solution, and the uniformity of the polishing liquid mixture is effectively improved.

[0012] The utility model further sets up, the top fixed connection of jar body has the mixing box of inclination, be provided with the mixing structure for mixing polishing liquid in the mixing box.

[0013] By adopting the technical scheme, the stirring shaft is arranged to rotate in the tank body and is in contact with the bottom wall, and the scraper in the inclined state is connected to the bottom end of the stirring shaft, so that the scraper is in contact with the bottom wall in the tank body, the sinking abrasive is scraped up in the process of rotation of the stirring shaft, the abrasive is fully mixed with the solution, and the uniformity of the polishing liquid mixture is effectively improved.

[0014] The utility model further sets up, the top fixed connection of jar body has the mixing box of inclination, be provided with the mixing structure for mixing polishing liquid in the mixing box.

[0015] By adopting the technical scheme, in the case where the stirring shaft reversely rotates, the scraper can scrape the polishing liquid that is not completely discharged in the tank body to the edge of the tank body, so that the remaining polishing liquid in the tank body is fully discharged.

[0016] The utility model further sets up, the top of jar body is equipped with the drive motor for driving stirring shaft rotation.

[0017] By adopting the technical scheme, the stirring shaft is arranged to rotate in the tank body and is in contact with the bottom wall, and the scraper in the inclined state is connected to the bottom end of the stirring shaft, so that the scraper is in contact with the bottom wall in the tank body, the sinking abrasive is scraped up in the process of rotation of the stirring shaft, the abrasive is fully mixed with the solution, and the uniformity of the polishing liquid mixture is effectively improved.

[0018] The utility model further sets up, the stirring shaft is along the axis direction interval and is connected with multiple stirring rods.

[0019] By adopting the technical scheme, the plurality of stirring rods are used to stir the grinding material at various heights in the tank body.

[0020] To sum up, the utility model mainly has the following beneficial effects:

[0021] 1、 the utility model discloses a stirring shaft is arranged in rotation and contacts the bottom wall in the tank body, and the scraper of inclined state is connected to the bottom end of the stirring shaft, and the scraper is contacted with the bottom wall in the tank body, and the sinking grinding material is scraped in the process of the rotation of the stirring shaft, and the grinding material is fully mixed with the solution, and the uniformity of the grinding liquid mixture is effectively improved.

[0022] 2、 the utility model discloses the mixing box of inclination is connected to the top of the tank body, and the liquid injection pipe is arranged at the top of the mixing box, and the spray head towards the inclined inner wall in the mixing box is arranged along the axial direction of the liquid injection pipe, and the grinding material falling from above is mixed while the solution of the grinding liquid is sprayed, and the preliminary mixing of the raw materials can be realized when adding the raw materials into the tank body, and the uniformity of the grinding liquid mixing is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the perspective view of the utility model;

[0024] Figure 2 It is the internal structure perspective view of the tank body of the utility model;

[0025] Figure 3 It is the Figure 2 It is the enlarged view of A of the utility model;

[0026] Figure 4 It is the internal structure perspective view of the tank body after the plug of the utility model is removed;

[0027] Figure 5 It is the perspective view of the plug of the utility model.

[0028] In the drawing: 1, tank body;2, stirring shaft;3, stirring rod;4, scraper;5, mixing box;6, material falling bin;7, liquid injection pipe;8, spout;9, discharge port;10, plug;11, driving motor. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used to explain the utility model, and cannot be understood as limiting the utility model.

[0030] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0031] Example 1

[0032] A grinding slurry mixing device that facilitates rapid mixing, such as Figures 1-5 As shown, the device includes a tank body 1, with a discharge port 9 at the bottom. A stirring shaft 2, which contacts the bottom surface of the inner wall, is rotatably connected inside the tank body 1. Inclined scrapers 4 are connected at intervals along the circumferential direction at the bottom end of the stirring shaft 2. Specifically, in this embodiment, there are a total of four scrapers 4. The bottom end of the scrapers 4 contacts the bottom surface of the inner wall of the tank body 1. A drive motor 11 is installed on the top of the tank body 1 to drive the stirring shaft 2 to rotate. The stirring shaft 2 is driven by the drive motor 11 to rotate, thereby stirring the grinding liquid inside the tank body 1. Multiple stirring rods 3 are connected at intervals along the axial direction of the stirring shaft 2, and the multiple stirring rods 3 are used to stir the grinding material at various heights inside the tank body 1.

[0033] Please see Figures 2-4 An inclined mixing tank 5 is fixedly connected to the top of the tank body 1. The mixing tank 5 is equipped with a mixing structure for mixing the grinding fluid. Specifically, in this embodiment, the grinding fluid solution and abrasive are poured into the mixing tank 5 in proportion and then flow into the tank body 1. The mixing tank 5 is used to perform preliminary mixing of the solution and abrasive, thereby improving the mixing efficiency of the mixing tank. At the same time, it also enables the mixing tank to achieve better mixing and homogenization of the grinding fluid under the same working conditions. Specifically, in order to avoid the mixing tank 5 interfering with the rotation of the stirring rod 3, the height of the stirring rod 3 at the top of the stirring shaft 2 is lower than the bottom of the mixing tank 5.

[0034] Example 2

[0035] A grinding slurry mixing device that facilitates rapid mixing, such as Figures 1-5 As shown, based on Embodiment 1, the difference from Embodiment 1 is that the top of the mixing tank 5 is connected to a discharge bin 6, the bottom of the discharge bin 6 extends into the mixing tank 5, and a long strip-shaped discharge port is provided along the width direction of the mixing tank 5. The top of the mixing tank 5 is provided with a spray pipe 7 along the width direction, and multiple nozzles 8 are connected at intervals along the axis of the spray pipe 7. The nozzles 8 face the inner wall of the mixing tank 5 corresponding to the bottom of the discharge bin 6. The solution sprayed from the nozzles 8 of the spray pipe 7 flows downward along the inner wall of the mixing tank 5, and after being initially mixed with the abrasive falling from the discharge port of the discharge bin 6 under its own gravity, it falls into the tank 1. Specifically, the discharge speed of the discharge bin 6 is adapted to the spray speed of the spray pipe 7 to avoid adding abrasive into the tank 1 or the imbalance of solution volume.

[0036] Example 3

[0037] A grinding slurry mixing device that facilitates rapid mixing, such as Figures 1-5As shown, based on the embodiment two, different from the embodiment two, the bottom end of the tank body 1 is provided with a discharge port 9, the discharge port 9 is fixedly connected with a plug 10, the top surface of the plug 10 is flush with the bottom surface of the inner wall of the tank body 1, avoiding the case that the abrasive is blocked at the discharge port 9 when the abrasive liquid is stirred, the discharge port 9 is arranged at the edge position of the bottom end of the tank body 1, under the condition that the stirring shaft 2 reversely rotates, the scraper 4 can scrape the abrasive liquid in the tank body 1 to the edge of the tank body 1, so that the remaining abrasive liquid in the tank body 1 is fully discharged.

[0038] The working principle of the utility model is that: the abrasive is added into the blanking bin 6, the abrasive falls from the long strip blanking port at the bottom end of the blanking bin to the inner wall of the mixing box 5 under the action of its own gravity, and slides into the tank body 1 along the inner wall of the mixing box 5, at the same time, the liquid spraying pipe 7 is connected with the solution pumping pipeline of the abrasive liquid, the nozzle of the liquid spraying pipe 7 sprays the solution of the abrasive liquid towards the inner wall of the mixing box 5, so that the solution of the abrasive liquid and the abrasive of the abrasive liquid are preliminarily mixed in the mixing box 5 and then fall into the tank body 1, in the process of rotating, the scraper 4 adheres to the bottom of the inner wall of the tank body 1, stirs the abrasive, the stirred abrasive is continuously mixed with the solution under the action of the stirring rod 3, and the mixing of the abrasive liquid is efficiently realized.

[0039] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, the person skilled in the art can make the modification, replacement and change without creative contribution after reading the specification, but as long as in the range of the claims of the utility model, it is protected by the patent law.

Claims

1. A grinding fluid mixing device for easy and rapid mixing, comprising a tank (1), characterized in that: The tank (1) is rotatably connected to a stirring shaft (2) that contacts the bottom surface of the inner wall. The bottom end of the stirring shaft (2) is connected with inclined scrapers (4) at intervals along the circumference. The bottom end of the scrapers (4) contacts the bottom surface of the inner wall of the tank (1). The top end of the tank (1) is fixedly connected to an inclined mixing box (5). The mixing box (5) is provided with a mixing structure for mixing grinding fluid.

2. The grinding slurry mixing device for rapid mixing according to claim 1, characterized in that: The top of the mixing box (5) is connected to a discharge bin (6). The bottom of the discharge bin (6) extends into the mixing box (5) and is provided with a long strip-shaped discharge port along the width direction of the mixing box (5). The top of the mixing box (5) is provided with a spray pipe (7) along the width direction. The spray pipe (7) is connected with multiple nozzles (8) at intervals along its own axis. The nozzles (8) face the inner wall of the mixing box (5) and are located at the bottom of the discharge bin (6).

3. The grinding slurry mixing device for rapid mixing according to claim 1, characterized in that: The bottom end of the tank (1) is provided with a discharge port (9), and a plug (10) is fixedly connected inside the discharge port (9). The top surface of the plug (10) is flush with the bottom surface of the inner wall of the tank (1).

4. The grinding slurry mixing device for rapid mixing according to claim 3, characterized in that: The discharge port (9) is located at the edge of the bottom of the tank (1).

5. The grinding slurry mixing device for easy and rapid mixing according to claim 1, characterized in that: The top of the tank (1) is equipped with a drive motor (11) for driving the stirring shaft (2) to rotate.

6. The grinding slurry mixing device for easy and rapid mixing according to claim 1, characterized in that: The stirring shaft (2) is connected to multiple stirring rods (3) at intervals along the axial direction.

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