Grinding device for aluminum oxide ceramics

Abstract

The utility model discloses an aluminum oxide ceramic grinding device which comprises a grinding machine, a grinding cavity is arranged on the grinding machine, and a protective cover is arranged outside the grinding cavity. A limiting structure is arranged in the grinding cavity, a grinding motor is further arranged in the grinding cavity, and a grinding disc is arranged at the output end of the grinding motor; a cooling structure is arranged at the top of the protective cover. The grinding cavity and the protective cover are arranged, scraps generated by grinding can be prevented from splashing all around, the limiting structure ensures that a workpiece is stable and does not move in the grinding process, and uneven grinding caused by shaking of the workpiece is avoided; the cooling liquid box and the spray type nozzle in the cooling structure are matched, and cooling liquid is continuously sprayed to the grinding cavity in the grinding process, so that on one hand, a large amount of heat generated by grinding can be rapidly taken away, and the defects of cracks, deformation and the like caused by overheating of aluminum oxide ceramics are prevented; a liquid film formed by the cooling liquid can effectively reduce friction resistance between the grinding disc and the workpiece, and grinding energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to alumina ceramic processing technical field, concretely relates to a kind of alumina ceramic's grinding device. BACKGROUND

[0002] Alumina ceramic has high hardness, good wear resistance, strong chemical stability and many excellent characteristics, and is widely used in electronic, mechanical, chemical and other industries.

[0003] However, its high hardness also brings challenges to processing, especially the grinding process. Traditional grinding devices often have problems such as uneven grinding, low efficiency and easy damage to ceramics when grinding alumina ceramics. For example, ordinary grinding devices are often prone to loose fixation when grinding and polishing alumina ceramic materials, which affects the polishing process. Moreover, poor heat dissipation during grinding can cause cracks in ceramics due to high temperature, affecting product quality. In addition, the existing grinding device does not have a protective structure, and the splashing debris during grinding can cause damage to the operator. SUMMARY

[0004] The main purpose of the utility model is to provide a kind of alumina ceramic's grinding device, for solving the above technical problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of alumina ceramic's grinding device, including grinding machine, grinding cavity is equipped on the grinding machine, protective cover is installed outside the grinding cavity;Limiting structure is equipped in the grinding cavity, grinding motor is also equipped in the grinding cavity, and the output end of the grinding motor is equipped with grinding disc;Cooling structure is equipped at the top of the protective cover.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the limiting structure includes first motor, second motor and third motor, the output end of the first is equipped with first screw rod, the first screw rod is equipped with connecting block, the side of the connecting block is equipped with connecting rod, the one end of the connecting rod is equipped with first gear, the side of the first gear is equipped with first rotation axis, the one end of the first rotation axis is equipped with first limiting block;The output end of the second motor is equipped with second gear, and the first gear and the second gear are engaged to drive;The output end of the third motor is equipped with second rotation axis, the one end of the second rotation axis is equipped with second limiting block, and the bottom of the second motor is equipped with slide rod, and the slide rod is slidably connected with the bottom wall of the grinding cavity.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: the side of the protective cover is equipped with mounting plate, the mounting plate is equipped with air cylinder, the output end of the air cylinder is equipped with connecting shaft, and the connecting shaft is detachably connected with the side of the protective cover.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the cooling structure comprises a cross frame mounted on the top of the protective cover, a cooling liquid tank is mounted on the cross frame, and a spray type nozzle is arranged at the output end of the cooling liquid tank, and the output end of the spray type nozzle faces the grinding cavity.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: the outer surface of the grinding disc is coated with a diamond coating.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: a lead screw is arranged on the grinding motor, and a fourth motor is arranged at one end of the lead screw.

[0011] The beneficial effects of the present application are as follows: the grinding cavity and the protective cover in the present application can prevent the debris generated during grinding from splashing everywhere, and the limiting structure ensures that the workpiece is stable and does not displace during grinding, thereby avoiding uneven grinding caused by workpiece shaking; the cooling liquid tank and the spray type nozzle in the cooling structure cooperate to continuously spray cooling liquid into the grinding cavity during grinding, which can rapidly remove a large amount of heat generated during grinding, prevent the alumina ceramic from cracking, deforming and other defects due to overheating, and on the other hand, the liquid film formed by the cooling liquid can effectively reduce the frictional resistance between the grinding disc and the workpiece, thereby reducing the grinding energy consumption. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 is a front view of the present application;

[0013] Fig. 2 is a top view of the present application;

[0014] Fig. 3 is a schematic view of the limiting structure of the present application. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the present application clearer, the technical scheme in the embodiments will be described clearly and completely in combination with the drawings in the embodiments, however, the following specific embodiments and examples are only for illustrative purposes, and are not a limitation of the present application.

[0016] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0017] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0018] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0019] In the utility model, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0020] Referring to the drawings Figs. 1 to 3 The grinding device for alumina ceramic in the embodiment comprises a grinding machine 1, a grinding cavity 10 is arranged on the grinding machine 1, a protective cover 2 is mounted outside the grinding cavity 10, a limiting structure is arranged in the grinding cavity 10, a grinding motor 6 is further arranged in the grinding cavity 10, an output end of the grinding motor 6 is provided with a grinding disc 60, and a cooling structure is arranged at the top of the protective cover 2.

[0021] In the embodiment, the grinding cavity 10 and the protective cover 2 are arranged, when an accident occurs during grinding, such as the rupture of the grinding disc, the collapse of the workpiece and the like, the protective cover 2 can firmly block the fragments so that the fragments cannot splash outward to injure people; the air cylinder 21 on one side of the protective cover 2 installed on the mounting plate 20 is combined with the connecting shaft 22, the protective cover 2 is driven by the connecting shaft 22 to realize convenient separation or connection with the main body of the grinder 1, the operator does not need to use a wrench, a screwdriver and the like to disassemble and assemble for a long time, and the time for equipment shutdown and maintenance is greatly shortened.

[0022] In the embodiment, the first motor 30, the second motor 4 and the third motor 5 are jointly driven to form a limiting structure, the first motor 30 drives the first screw rod 300 to rotate, drives the connecting block 310 to move flexibly, the connecting block 310 is connected with the linkage 31 and the first gear 32, and is precisely engaged with the second gear 40 driven by the second motor 4, so that power is stably transmitted, the first rotating shaft 33 and the first limiting block 34 are pushed to stably approach one side of the second limiting block 51, and the first limiting block 34 and the second limiting block 51 clamp the workpiece; at the same time, the third motor 5 drives the second rotating shaft 50 to rotate and drives the second limiting block 51 to rotate; therefore, the workpiece rotates; and then the fourth motor 61 drives the second screw rod 62 to quickly lower the grinding disc 60, and the grinding motor 6 drives the grinding disc 60 to rotate, so that the workpiece can be ground and polished.

[0023] Preferably, a diamond coating layer is coated on the outer surface of the grinding disc 60; the diamond coating layer easily cuts into the ceramic surface with strong hardness and quickly peels off the excess material; at the same time, the replacement frequency of the grinding disc is greatly reduced, and the equipment maintenance cost is reduced.

[0024] In the embodiment, the cooling structure composed of the cooling liquid tank 70 and the spray nozzle 71 installed on the horizontal frame 7 on the top of the protective cover 2, when grinding, the temperature rises due to friction, at this time, the spray nozzle 71 continuously sprays the cooling liquid to the grinding cavity 10, the cooling liquid rapidly vaporizes when heated, absorbs a large amount of heat, and efficiently takes away the heat generated during grinding, effectively prevents the internal stress imbalance of the aluminum oxide ceramic caused by overheating, and eliminates quality defects such as cracks and deformation; the installation mode and working principle of the cooling liquid tank 70 and the spray nozzle 71 can be regarded as prior art.

[0025] The above embodiment is only a preferred embodiment of the present application, and does not limit the protection scope of the present application, so that: equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A grinding device for alumina ceramics, characterized in that: The device includes a grinding machine, which has a grinding chamber and a protective cover installed outside the grinding chamber. The grinding chamber is equipped with a limiting structure and a grinding motor. The output end of the grinding motor is equipped with a grinding disc. The top of the protective cover is equipped with a cooling structure. The limiting structure includes a first motor, a second motor, and a third motor. The output end of the first motor is provided with a first lead screw, a connecting block is provided on the first lead screw, a connecting rod is provided on one side of the connecting block, a first gear is provided at one end of the connecting rod, a first rotating shaft is provided on one side of the first gear, and a first limiting block is provided at one end of the first rotating shaft. The output end of the second motor is provided with a second gear, and the first gear and the second gear mesh and transmit power. The output end of the third motor is provided with a second rotating shaft, a second limiting block is provided at one end of the second rotating shaft, and a sliding rod is provided at the bottom of the second motor, the sliding rod being slidably connected to the bottom wall of the grinding chamber.

2. The grinding device for alumina ceramics according to claim 1, characterized in that: The protective cover has a mounting plate on one side, a cylinder on the mounting plate, and a connecting shaft at the output end of the cylinder. The connecting shaft is detachably connected to one side of the protective cover.

3. The grinding device for alumina ceramics according to claim 2, characterized in that: The cooling structure includes a crossbeam mounted on the top of the protective cover, on which a coolant tank is mounted. The coolant tank has a spray nozzle at its output end, with the output end of the spray nozzle facing the grinding chamber.

4. The grinding device for alumina ceramics according to claim 3, characterized in that: The outer surface of the grinding disc is coated with a diamond coating.

5. The grinding apparatus for alumina ceramics according to claim 4, characterized in that: The grinding motor is equipped with a second lead screw, and a fourth motor is provided at one end of the second lead screw.

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