Silicon carbide ceramic surface grinding device

Abstract

The utility model relates to the field of silicon carbide ceramic machining, and discloses a silicon carbide ceramic surface grinding device which comprises a base used for supporting a workbench, and two sliding frames and a driving assembly for driving the two sliding frames to be close to or away from each other at the same time are arranged at the top of the workbench; the two sliding frames capable of sliding are arranged at the top of the workbench, the supporting frames are fixed to the sliding frames, the cleaning brushes are rotationally arranged at the bottoms of the supporting frames, and under the action of the driving assembly, the two sliding frames and the supporting frames on the sliding frames can be close to or away from each other at the same time, so that the cleaning brushes can synchronously move and rotate; dust collection pieces are further arranged on the two sides of the workbench and matched with cleaning brushes, the cleaning brushes can brush up impurities attached to the surface of the workbench along with movement of the sliding frame, and the cleaning brushes are matched with the dust collection pieces to rapidly suck away the impurities, so that the impurities are prevented from being scattered or attached to the surface of the workbench again, and cleanliness of the surface of the workbench is guaranteed; therefore, a powerful guarantee is provided for high-quality grinding and repairing of the silicon carbide ceramic.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of silicon carbide ceramic processing, in particular to a silicon carbide ceramic surface grinding device. BACKGROUND

[0002] As a high-performance ceramic material, silicon carbide ceramic has high strength, high hardness, corrosion resistance and excellent high-temperature resistance, and is widely used in the fields of aerospace, semiconductor manufacturing, precision machinery and the like. However, due to its extremely high brittleness, especially the micro-cracks generated after sintering, surface edge collapse, scratches or residual cutting chips are easily generated in the processing process, which seriously affects the use performance and service life. Therefore, efficient and precise surface grinding of silicon carbide ceramic is a key link in the processing process.

[0003] In the grinding process of silicon carbide ceramic, impurities such as grinding dust and dust are often left on the surface of the workbench. If these impurities are not cleaned in time, they will be embedded in the surface of the ceramic in the subsequent grinding process, forming scratches, pits and other defects, which seriously affect the grinding quality and the performance of the ceramic product. The grinding area of the existing grinding equipment is often located at the central position of the workbench, but the cleaning tool is often arranged at one side of the workbench, so that only the edge area of the workbench can be cleaned. As a result, the impurities generated in the grinding process cannot be effectively cleaned, but are accumulated near the grinding area of the workbench. With the grinding process, these impurities will not only adhere to the surface of the workbench due to the accumulation, but also come into contact with the surface of the ceramic due to the excessive accumulation, thereby affecting the grinding quality. To solve the above problems, a silicon carbide ceramic surface grinding device is provided.

[0004] The above information disclosed in the background of the application is only used to increase the understanding of the background of the application, and therefore, it can include prior art known by those skilled in the art. CONTENT OF THE INVENTION

[0005] To solve the above problems, the application provides a silicon carbide ceramic surface grinding device.

[0006] The silicon carbide ceramic surface grinding device provided by the application adopts the following technical scheme:

[0007] A silicon carbide ceramic surface grinding device, comprising a base for supporting a workbench, wherein the top of the workbench is provided with two sliding frames and a driving assembly for driving the two sliding frames to move towards or away from each other, two support frames are fixed on the two sliding frames, a clamping plate is arranged on one side of each support frame, and a rotating assembly is arranged for driving the clamping plate to rotate, a cleaning brush is rotatably arranged at the bottom of each support frame, the surface of the cleaning brush is attached to the top of the workbench, and when the two sliding frames and the support frames thereon move towards or away from each other, the cleaning brushes move synchronously and rotate, a grinding block that can be lifted is arranged on the top of the workbench, and dust suction members are arranged on both sides of the workbench.

[0008] Preferably, the top of the workbench is fixed with a support, the top of the support is provided with a cylinder, and the telescopic end of the cylinder is fixed with a grinding block.

[0009] Preferably, the driving assembly comprises a bidirectional screw rod and a motor one, the two sides of the workbench are provided with sliding grooves, the bidirectional screw rod rotates in one of the sliding grooves, the motor one is fixed on one side of the workbench, the rotor end of the motor one is fixed with the bidirectional screw rod, the sliding frame slides in the sliding groove, and the sliding frame is threadedly connected with the bidirectional screw rod.

[0010] Preferably, one end of the cleaning brush is fixed with a gear one, the gear one rotates on the inner side of the sliding frame, one side of the workbench close to the gear one is provided with a rack, and the gear one is engaged with the rack.

[0011] Preferably, the rotating assembly comprises a connecting column, an outer gear ring, a gear two, a fixing frame and a motor two, two connecting columns are arranged and rotate on the two sides of the support frame, the clamping plate is fixed on the end of the two connecting columns close to each other, the outer gear ring is fixed with one of the connecting columns, the gear two rotates on one side of the support frame, the outer gear ring is engaged with the gear two, the fixing frame is fixed on one side of the support frame, the motor two is fixed on one side of the fixing frame, and the rotor end of the motor two is fixed with the fixing frame.

[0012] Preferably, the top of the base is hingedly provided with a shielding frame and a limiting assembly for limiting the clamping plate on both sides, and the sides of the two shielding frames close to each other are respectively attached to the two sides.

[0013] Preferably, the dust collection member is a fan, and the fan is fixed on one side of the shielding frame.

[0014] Preferably, the limiting assembly comprises a limiting block and a limiting pin, the limiting block is symmetrically fixed on one side of the base, the limiting pin is threadedly connected with the limiting block, and one side of the shielding frame is provided with a plug hole matched with the plug of the limiting pin.

[0015] In summary, the present application has the following beneficial technical effects:

[0016] By setting two slidable sliding frames on the top of the workbench, the sliding frames are fixed with support frames, the support frames are rotationally provided with cleaning brushes at the bottom, under the action of the driving assembly, the two sliding frames and the support frames thereon can be simultaneously close to or away from each other, so that the cleaning brushes can be synchronously moved and rotated, the workbench is further provided with dust suction members on both sides, which cooperate with the cleaning brushes, compared with the related art, the cleaning brushes can be brushed with the impurities adhered to the surface of the workbench along with the movement of the sliding frames, and cooperate with the dust suction members to quickly suck the impurities, avoiding the impurities from being scattered or adhered to the surface of the workbench again, improving the thoroughness of cleaning, ensuring the cleanliness of the surface of the workbench, and further providing a powerful guarantee for high-quality grinding and repairing of silicon carbide ceramics. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a side shielding frame unfolding structure schematic view of the application embodiment;

[0018] Figure 2 is Figure 1 is an enlarged structure schematic view of A in the application embodiment;

[0019] Figure 3 is a whole structure schematic view of the application embodiment.

[0020] BRIEF DESCRIPTION OF DRAWINGS 1, base; 2, workbench; 3, sliding frame; 4, support frame; 5, connecting column; 6, clamping plate; 7, sliding groove; 8, bidirectional screw; 9, motor one; 10, cleaning brush; 11, gear one; 12, rack; 13, support; 14, air cylinder; 15, grinding block; 16, shielding frame; 17, fan; 18, limiting block; 19, limiting pin; 20, jack; 21, outer gear ring; 22, gear two; 23, fixed frame; 24, motor two. DETAILED DESCRIPTION

[0021] The following will be combined with the Figures 1-3 The application is further described in detail.

[0022] The application embodiment discloses a silicon carbide ceramic surface grinding and repairing device. Figures 1-3The utility model provides a silicon carbide ceramic surface grinding device, including the base 1 for supporting the workbench 2, the top of workbench 2 is equipped with two sliding frames 3 and the drive assembly of driving two sliding frames 3 to be close to each other or away from each other simultaneously, and the drive assembly includes bidirectional screw rod 8, motor one 9, the both sides of workbench 2 are provided with sliding slot 7, bidirectional screw rod 8 rotates in a sliding slot 7, motor one 9 is fixed at the side of workbench 2, and the rotor end of motor one 9 is fixed with bidirectional screw rod 8, sliding frame 3 slides in sliding slot 7, and sliding frame 3 is connected with bidirectional screw rod 8 in screw thread, when using, start motor one 9 and make bidirectional screw rod 8 rotate, two sliding frames 3 are all fixed with support frame 4, and the side of support frame 4 is equipped with clamping plate 6, under the guidance of sliding slot 7, make two sliding frames 3 and the support frame 4 and clamping plate 6 on it close to each other simultaneously and fix the silicon carbide ceramic to be ground simultaneously, and it is convenient for the subsequent grinding work to carry out;

[0023] It needs to be explained that the thread on bidirectional screw rod 8 is left-handed thread and the other section is right-handed thread, and two sliding frames 3 are connected with left-handed thread and right-handed thread in screw thread respectively.

[0024] Refer to Figures 1-3 The side of support frame 4 is equipped with clamping plate 6 and the rotating assembly of driving clamping plate 6, and the rotating assembly includes connecting column 5, outer gear ring 21, gear two 22, fixed frame 23 and motor two 24, connecting column 5 is equipped with two and rotates at the side of two support frames 4 respectively, clamping plate 6 is fixed at the end of two connecting columns 5 and is close to each other, outer gear ring 21 is fixed with one connecting column 5, gear two 22 rotates at the side of one support frame 4, outer gear ring 21 is engaged with gear two 22, fixed frame 23 is fixed at the side of one support frame 4, motor two 24 is fixed at the side of fixed frame 23, the rotor end of motor two 24 is fixed with fixed frame 23, start motor two 24 and make gear two 22 rotate, in turn drive outer gear ring 21 and the connecting column 5 and clamping plate 6 on it rotate, in turn make the silicon carbide ceramic fixed between two clamping plates 6 rotate, the top of workbench 2 is fixed with support 13, support 13 top is equipped with pneumatic cylinder 14, and the telescopic end of pneumatic cylinder 14 is fixed with grinding block 15, start pneumatic cylinder 14 and push grinding block 15 to press down to be pasted with the surface of silicon carbide ceramic, along with the rotation of silicon carbide ceramic, can carry out all-round grinding to silicon carbide ceramic.

[0025] Refer to Figures 1-3The bottom of the supporting frame 4 is rotationally provided with a cleaning brush 10, the surface of the cleaning brush 10 is attached to the top of the workbench 2, one end of the cleaning brush 10 is fixedly provided with a gear one 11, the gear one 11 is rotationally arranged in the inner side of the sliding frame 3, the side of the workbench 2 close to the gear one 11 is provided with a rack 12, the gear one 11 is engaged with the rack 12, when the supporting frame 4 is driven to move by the motor one 9, the gear one 11 drives the cleaning brush 10 to rotate on the top of the workbench 2 under the engagement transmission of the rack 12, and the cleaning brush 10 moves synchronously with the movement of the supporting frame 4, thereby the cleaning brush 10 can brush the debris adhered to the surface of the workbench 2, and the subsequent cleaning of the surface of the workbench 2 is facilitated.

[0026] With reference to Figures 1-3 The top of the base 1 is hingedly provided with shielding frames 16 and limiting assemblies for limiting the clamping plates 6, the limiting assemblies comprise limiting blocks 18 and limiting pins 19, the limiting blocks 18 are symmetrically fixed to one side of the base 1, the limiting pins 19 are threadedly connected with the limiting blocks 18, the shielding frames 16 are provided with insertion holes 20 on one side for insertion and cooperation with the limiting pins 19, the two shielding frames 16 are attached to the two sides, respectively, the shielding frames 16 are used for preventing the debris from splashing during grinding and polishing, the shielding frames 16 are provided with fans 17 on one side, when grinding and polishing, the fans 17 are started synchronously to adsorb the debris to the two sides of the workbench 2, so that the impurities are prevented from scattering or adhering to the surface of the workbench 2 again, and the debris can be collected on the top of the base 1, and the shielding frames 16 are used for shielding and protection, when grinding and polishing are completed, the limiting pins 19 are screwed to be separated from the insertion holes 20, and the shielding frames 16 are unfolded, so that the debris collected on the top of the base 1 can be cleaned in a centralized and thorough manner.

[0027] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0028] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0029] Finally: the preferred embodiments of the utility model are described above, and the utility model is not limited to the preferred embodiments, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

[0030] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A silicon carbide ceramic surface grinding device, comprising a base (1) for supporting a worktable (2), characterized in that: The workbench (2) is provided with two sliding frames (3) on the top and a drive assembly that drives the two sliding frames (3) to move closer or further away from each other. Each of the two sliding frames (3) is fixed with a support frame (4). The support frame (4) is provided with a clamping plate (6) on one side and a rotating assembly that drives the clamping plate (6) to rotate. A cleaning brush (10) is rotatably provided at the bottom of the support frame (4). The surface of the cleaning brush (10) is in contact with the top of the workbench (2). When the two sliding frames (3) and the support frame (4) on them move closer or further away from each other, the cleaning brush (10) moves and rotates synchronously. The workbench (2) is provided with a height-adjustable grinding block (15) on the top. The workbench (2) is also provided with dust collection components on both sides.

2. The silicon carbide ceramic surface grinding device according to claim 1, characterized in that: The drive assembly includes a bidirectional lead screw (8) and a motor (9). The worktable (2) has grooves (7) on both sides. The bidirectional lead screw (8) rotates in one of the grooves (7). The motor (9) is fixed on one side of the worktable (2). The rotor end of the motor (9) is fixed to the bidirectional lead screw (8). The sliding frame (3) slides in the groove (7). The sliding frame (3) is threadedly connected to the bidirectional lead screw (8).

3. The silicon carbide ceramic surface grinding device according to claim 1, characterized in that: One end of the cleaning brush (10) is fixed with a gear (11), which rotates inside the sliding frame (3). The workbench (2) is provided with a rack (12) on the side near the gear (11), and the gear (11) meshes with the rack (12).

4. The silicon carbide ceramic surface grinding device according to claim 1, characterized in that: The rotating assembly includes a connecting column (5), an external gear ring (21), a second gear (22), a fixed frame (23), and a second motor (24). There are two connecting columns (5), which rotate on one side of the two support frames (4) respectively. The clamping plate (6) is fixed at one end of the two connecting columns (5) that are close to each other. The external gear ring (21) is fixed to one of the connecting columns (5). The second gear (22) rotates on one side of the support frame (4). The external gear ring (21) meshes with the second gear (22). The fixed frame (23) is fixed on one side of the support frame (4). The second motor (24) is fixed on one side of the fixed frame (23). The rotor end of the second motor (24) is fixed to the fixed frame (23).

5. The silicon carbide ceramic surface grinding device according to claim 1, characterized in that: The base (1) is hinged on both sides of the top and is provided with a shield (16) and a limiting component for limiting the clamp (6). The two shields (16) are respectively attached to the sides on the side that is close to each other.

6. The silicon carbide ceramic surface grinding device according to claim 5, characterized in that: The limiting component includes a limiting block (18) and a limiting pin (19). The limiting block (18) is symmetrically fixed on one side of the base (1). The limiting pin (19) is threadedly connected to the limiting block (18). The shielding frame (16) has an insertion hole (20) on one side that engages with the limiting pin (19).

7. The silicon carbide ceramic surface grinding device according to claim 5, characterized in that: The dust collection component is a fan (17), which is fixed to one side of the shield (16).

8. The silicon carbide ceramic surface grinding device according to claim 1, characterized in that: The workbench (2) is fixed with a bracket (13) on top, and a cylinder (14) is provided on the top of the bracket (13). The telescopic end of the cylinder (14) is fixed to the grinding block (15).

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