Gallium oxide grinding and screening device

Abstract

The utility model relates to the technical field of grinding and screening devices, and discloses a gallium oxide grinding and screening device which comprises a shell and a base. The shell is of a transversely-arranged cylinder structure, a discharging opening is formed in the bottom of the shell, and a feeding opening is formed in the front side wall of the shell. A grinding box and a transmission structure; the grinding box is arranged in the shell and is driven by the transmission structure to crush and grind gallium oxide; and the rotary screening structure is rotationally arranged in the shell, gallium oxide ground by the grinding box is screened through the rotary screening structure, and large gallium oxide particles left after screening enter the grinding box again through the rotary screening structure. Compared with the prior art, the gallium oxide powder screening device has the advantages that the screen is fixed on the rotary drum and can screen gallium oxide powder while rotating along with the rotary drum, gallium oxide is prevented from being accumulated, the screening effect is better, gallium oxide particles left after screening of the screen can be sent back to the grinding box to be ground again, the grinding effect is better, and the grinding efficiency is improved. The use is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to grinding and screening device technical field, specifically point to a kind of gallium oxide grinding and screening device. BACKGROUND

[0002] Gallium oxide (Ga2O3) is an inorganic compound, chemical formula is Ga2O3, alias trioxide gallium, is a wide band gap semiconductor, with 4.9eV band gap width, which makes it in optoelectronic devices have broad application prospect. It is widely used as Ga-based semiconductor material insulating layer and ultraviolet filter. In addition, gallium oxide can also be used as O2 chemical detector, show its unique application value in certain field. In industrial applications, gallium oxide is used for high-purity analytical reagent and the preparation of semiconductor materials in electronic industry, and before application, gallium oxide needs to be ground and screened.

[0003] The existing gallium oxide grinding and screening device on the market, most of the gallium oxide is crushed and ground through the grinding box, and then the gallium oxide powder is screened through the screen, so that the gallium oxide powder with a particle diameter within the required range is obtained. However, during the screening process, the gallium oxide powder may be clogged and accumulated on the screen, and the gallium oxide particles left after screening need to be manually picked up and returned to the grinding box for regrinding, which is very troublesome. Moreover, the gallium oxide powder may damage the respiratory system of workers during the process, which is very unsafe. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the above technical difficulties and provide a gallium oxide grinding and screening device. The screen is fixed on the rotating drum and rotates while screening to prevent the accumulation of gallium oxide. At the same time, the gallium oxide particles left after screening are returned to the grinding box for regrinding.

[0005] To solve the above technical problems, the technical solution provided by the utility model is as follows:

[0006] A gallium oxide grinding and screening device, comprising:

[0007] A housing and a base; the housing is fixed on the base and is arranged in a horizontal cylindrical structure. The housing is provided with a discharge port at the bottom and a feeding port on the front side wall.

[0008] A grinding box and a transmission structure; the grinding box is arranged in the housing and is driven by the transmission structure to crush and grind the gallium oxide.

[0009] A rotating screening structure is arranged in the housing. The gallium oxide ground by the grinding box is screened by the rotating screening structure, and the large gallium oxide particles left after screening are returned to the grinding box through the rotating screening structure.

[0010] As improvement, the transmission structure comprises a transmission rod, a driven bevel gear, a grinding motor and a dustproof box; the dustproof box is fixed on the front side wall of the shell, the grinding box is fixed on the top of the dustproof box, and the bottom end of the rotating shaft of the grinding box is connected and fixed with the driven bevel gear in the dustproof box through the top wall of the dustproof box, the grinding motor is fixed on the front side of the shell, the transmission rod is rotatably arranged on the side wall of the shell, and one end of the transmission rod is connected with the driving shaft of the grinding motor, and the other end of the transmission rod is formed with a driving bevel gear which is engaged with the driven bevel gear.

[0011] As improvement, the rotary screening structure comprises a rotating drum, a partition plate, a rotary motor and a screen mesh; the front side wall of the shell is formed with an annular convex rib, the rotating drum is in a cylindrical structure with a closed rear end and a roller, and the front end of the rotating drum is movably sleeved on the annular convex rib, the rear end roller of the rotating drum is rotatably arranged on the side wall of the shell and connected with the driving shaft of the rotary motor fixed on the rear side of the shell, a plurality of screen meshes are uniformly embedded on the side wall of the rotating drum in a circumferential direction, the partition plate is fixed on the inner side wall of the rotating drum between two adjacent screen meshes and arranged towards the center of the rotating drum, a hopper is arranged on the top of the grinding box, and the top of the hopper is formed with a bucket towards one side, and the partition plate is adapted to the bucket when the partition plate is rotated to a horizontal state.

[0012] The utility model has the advantages that compared with the prior art, the utility model has the advantages that:

[0013] 1、The screen mesh is fixed on the rotating drum, can rotate along with the rotating drum, and screen the gallium oxide powder, prevent the gallium oxide from accumulating, and the screening effect is better.

[0014] 2、The utility model can send the gallium oxide particles screened by the screen mesh back to the grinding box for regrinding, the grinding effect is better, and the utility model is more convenient to use.

[0015] 3、The utility model can automatically send the gallium oxide particles screened by the screen mesh back to the grinding box for regrinding, and manual transmission is not needed, and the utility model is safer and healthier. DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model.

[0017] Figure 2 It is the structure schematic diagram of the utility model.

[0018] Figure 3 It is the part structure schematic diagram of the utility model.

[0019] Figure 4 It is the part structure schematic diagram of the utility model.

[0020] Figure 5 It is the structure schematic diagram of the transmission structure of the utility model.

[0021] Figure 6 It is the cross section schematic diagram of the utility model.

[0022] As shown in the figure: 1. Rotary drum; 2. Rotary motor; 3. Screen; 4. Feeding port; 5. Outer shell; 6. Base; 7. Discharge guide plate; 8. Discharge port; 9. Grinding motor; 10. Partition plate; 11. Grinding box; 12. Funnel; 13. Grinding box discharge port; 14. Driven bevel gear; 15. Transmission rod; 16. Dustproof box; 17. Annular rib. Detailed Implementation

[0023] In the description of this utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. Additionally, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

[0024] The present invention will now be described in further detail with reference to the accompanying drawings.

[0025] A gallium oxide grinding and sieving device, such as Figure 1 As shown, it includes:

[0026] The outer shell 5 and the base 6; the outer shell 5 is a cylindrical structure arranged horizontally front to back, with a feeding port 4 embedded in the front side wall. The feeding port 4 is a tubular structure embedded in the front side wall of the outer shell 5, with its front end opening facing upwards (for easy feeding, and equipped with a dust cover). The rear end is located inside the outer shell 5. A discharge port 8 is provided at the bottom of the outer shell 5, and the base 6 is fixed under the outer shell 5 to support it. The base 6 is equipped with a discharge guide plate 7 corresponding to the discharge port 8. The discharge guide plate 7 (e.g. Figure 2 As shown, the material is arranged at an angle from front to back and downwards, and the front end and both sides are connected and fixed to the base 6 respectively (the front end of the discharge guide plate 7 is closed and the rear end is open, and after the gallium oxide powder falls from the discharge port 8 onto the discharge guide plate 7, it slides along the discharge guide plate 7 to the rear end). A grinding motor bracket is formed on the outer side of the front side wall of the outer shell 5, an annular rib 17 is formed on the inner side wall of the front side wall, and a rotary motor bracket is formed on the outer side of the rear side wall.

[0027] Grinding box 11 and transmission structure; Grinding box 11 as Figure 5As shown, it is a circular barrel structure with open top, and is internally provided with a rotating shaft, and the rotating shaft is fixed with a cutter for crushing and grinding gallium oxide, and three grinding box discharge ports 13 are reserved at the bottom of the grinding box 11, the grinding box 11 is arranged in the shell 5, and is arranged directly below the rear end of the feeding port 4, the transmission structure includes a transmission rod 15, a driven bevel gear 14, a grinding motor 9 and a dustproof box 16; the dustproof box 16 is fixed to the inner side of the front side wall of the shell 5, the grinding box 11 is fixed to the top of the dustproof box 16 (the top inlet of the grinding box 11 is located in the lower middle part of the shell 5), and the bottom end of the rotating shaft of the grinding box 11 penetrates through the top wall of the dustproof box 16 and is fixedly connected with the driven bevel gear 14 in the dustproof box 16, the grinding motor 9 is fixed on the grinding motor support, the transmission rod 15 is rotatably arranged on the front side wall of the shell 5, one end of the transmission rod 15 is connected with the driving shaft of the grinding motor 9, the other end of the transmission rod 15 is formed with a driving bevel gear, and the driving bevel gear is engaged with the driven bevel gear 14, after the grinding motor 9 is started, the grinding box 11 starts to work to crush and grind the gallium oxide.

[0028] The rotating screening structure includes a rotating drum 1, a rotating motor 2, a partition plate 10 and a screen 3; the rotating motor 2 is fixed on a rotating motor support, the rotating drum 1 is a barrel structure with a closed rear end and a roller, and the front end is movably sleeved on an annular convex rib 17, the rear end roller is rotatably arranged on the side wall of the shell 5 and is connected with the driving shaft of the rotating motor 2, six screens 3 are uniformly embedded on the side wall of the rotating drum 1 in the circumferential direction, and six partition plates 10 are fixed on the inner side wall of the rotating drum 1 between the corresponding adjacent two screens 3 (as shown in Figure 3 The top of the grinding box 11 is provided with a hopper 12 (the specific shape of the hopper 12 is shown in Figure 5 The bottom is circular and fixedly connected with the top of the grinding box 11, and the top forms a bucket to one side), and the partition plate 10 is rotated to the horizontal state and cooperates with the hopper 12 (the side edge of the partition plate 10 cooperates with the gap of the bucket, and after continuous rotation, the gallium oxide is poured into the hopper 12).

[0029] The use mode and grinding principle of the grinding box 11 are the existing mature technology in the related industry, and the grinding motor 9 is a bidirectional motor and the rotating motor 2 is a low-speed motor.

[0030] In the specific implementation of the embodiment:

[0031] The dust cover of the feeding opening 4 is opened, the gallium oxide is sent into the grinding box 11 through the feeding opening 4, the grinding motor 9 and the rotating motor 2 are started, the grinding box 11 starts to work, the gallium oxide is crushed and ground, the ground gallium oxide particles fall into the rotary drum 1 through the bottom grinding box discharge port 13, the gallium oxide particles are screened through the screen 3 during the rotation of the rotary drum 1, and the accumulation and blockage of the gallium oxide particles are prevented, so that the gallium oxide powder with a particle diameter in the required range is obtained, the remaining gallium oxide particles are lifted to above the hopper 12 under the action of the partition plate 10 and slide down to re-enter the grinding box 11 for crushing and grinding, and the gallium oxide powder with a particle diameter in the required range is slid to the discharge port 8 through the shell 5, is slid to the rear side of the gallium oxide grinding and screening device through the discharge guide plate 7 and is collected.

[0032] The above describes the utility model and its implementation mode, which is not limited, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired, similar structure modes and embodiments can be designed without departing from the creative purpose of the utility model, and all of them should belong to the protection scope of the utility model.

Claims

1. A gallium oxide grinding and sizing apparatus, characterized by, Include: The shell (5) and base (6); shell (5) is fixed on the base (6), and is horizontally arranged cylindrical structure, the shell (5) bottom is provided with discharge port (8), and the front side wall is provided with feeding port (4); Grinding box (11) and transmission structure; grinding box (11) is arranged in the shell (5), and is driven by transmission structure, and the gallium oxide is crushed and ground; Rotary screening structure, rotation is arranged in the shell (5), the gallium oxide after grinding box (11) is screened by rotary screening structure, and the large particles of gallium oxide left after screening reenter grinding box (11) through rotary screening structure.

2. A gallium oxide milling and screening apparatus as claimed in claim 1, wherein: The transmission structure includes transmission rod (15), driven bevel gear (14), grinding motor (9) and dustproof box (16); dustproof box (16) is fixed on the front side wall of the shell (5), grinding box (11) is fixed on the top of dustproof box (16), and the bottom end of the rotating shaft of grinding box (11) passes through the top wall of dustproof box (16) and is connected and fixed with driven bevel gear (14) in dustproof box (16), grinding motor (9) is fixed on the front side of shell (5), transmission rod (15) is rotationally arranged on the side wall of shell (5), and one end is connected with the driving shaft of grinding motor (9), the other end forms driving bevel gear, and is engaged with driven bevel gear (14).

3. A gallium oxide milling and screening apparatus as claimed in claim 2, wherein: The rotary screening structure includes rotating drum (1), rotary motor (2) and screen (3); the front side wall of the shell (5) forms annular rib (17), the rotating drum (1) is a cylindrical structure with a closed rear end and a roller, and the front end is movably sleeved on the annular rib (17), the rear roller is rotationally arranged on the side wall of the shell (5) and connected with the driving shaft of the rotary motor (2) fixed on the rear side of the shell (5), and the side wall of the rotating drum (1) is uniformly embedded with a plurality of screen (3) along the circumference.

4. A gallium oxide milling and screening apparatus as claimed in claim 3, wherein: It also includes a partition (10) fixed on the inner side wall of the rotating drum (1) between two adjacent screen (3), and arranged towards the center of the rotating drum (1), the top of the grinding box (11) is provided with a hopper (12), and the top of the hopper (12) is provided with a shovel on one side, and the partition (10) is rotated to a horizontal state and cooperates with the shovel of the hopper (12).

5. A gallium oxide milling and screening apparatus as claimed in claim 1, wherein: The feeding port (4) is a pipe structure embedded in the front side wall of the shell (5), and the opening is arranged upward, and the other end is arranged above the grinding box (11).

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