A centerless grinding machine for ceramic bushing

Abstract

The application discloses a centerless grinding machine for ceramic shaft sleeve machining and relates to the technical field of ceramic shaft sleeve machining.The centerless grinding machine comprises a working box body, a polishing assembly and a clamping assembly which are arranged on the working box body, the polishing assembly comprises a polishing disc and a driving motor, the driving motor is movably arranged in the working box body and can move in the vertical direction, and the polishing disc is fixedly arranged on the output shaft of the driving motor; the clamping assembly comprises a bearing turntable which is rotatably arranged at the bottom of the working box body and is horizontally arranged, and a plurality of clamps are fixedly arranged on the bearing turntable. When the centerless grinding machine is used, the plurality of ceramic shaft sleeves to be polished are clamped and limited by the clamping assembly, and then the plurality of ceramic shaft sleeves are polished by the polishing assembly in sequence. The polishing assembly can control the polishing time of each ceramic shaft sleeve, so that each ceramic shaft sleeve is specially polished, and the centerless grinding machine is convenient to use.

Description

TECHNICAL FIELD

[0001] The application relates to the ceramic shaft sleeve processing technical field, in particular to a centerless grinding machine for ceramic shaft sleeve processing. BACKGROUND

[0002] As an important mechanical basic part, the ceramic bearing has excellent performance which cannot be compared with metal bearings, such as high temperature resistance and super strength, and has been widely applied in various fields of national economy and people's livelihood in recent ten years.

[0003] According to the search, the patent document with the authorized announcement No. CN112775733B discloses a corrosion-resistant ceramic shaft sleeve processing centerless grinding machine. The wheel disc is rotated to move the material taking port above the feeding channel. The electric push rod is started to drive the wheel disc to move downward, so that the ceramic shaft sleeve is inside the material taking port. When the infrared sensor detects the accurate position of the ceramic shaft sleeve, the material taking motor is started to drive the material taking head to clamp the ceramic shaft sleeve. After the material taking head clamps the ceramic shaft sleeve, the electric push rod pushes the wheel disc upward, so that the material taking port is separated from the feeding channel. After the grinding is performed when the wheel disc rotates, the electric push rod drives downward to move the clamped ceramic shaft sleeve between the grinding wheels for grinding. After the ceramic shaft sleeve is ground, it is rotated to the discharging port. The material taking motor is retracted to place the ceramic shaft sleeve at the upper end of the discharging channel for discharging.

[0004] The applicant believes that the above grinding machine is located inside the box during the grinding of the ceramic shaft sleeve. During the grinding process, the ceramic shaft sleeve located inside the box cannot be observed because the grinding time of each ceramic shaft sleeve is different, which may cause insufficient grinding or excessive grinding, and the use is not convenient.

[0005] Therefore, the application provides a centerless grinding machine for ceramic shaft sleeve processing to solve the above problems. SUMMARY

[0006] The grinding machine in the prior art is located inside the box during the grinding of the ceramic shaft sleeve. During the grinding process, the ceramic shaft sleeve located inside the box cannot be observed because the grinding time of each ceramic shaft sleeve is different, which may cause insufficient grinding or excessive grinding, and the use is not convenient.

[0007] To achieve the above purpose, the application provides a centerless grinding machine for ceramic shaft sleeve processing, which comprises a working box body and a grinding assembly and a clamping assembly arranged on the working box body.

[0008] The grinding assembly comprises a grinding disc and a driving motor. The driving motor is movably arranged in the interior of the working box body, and the driving motor can move in the vertical direction. The grinding disc is fixedly arranged on the output shaft of the driving motor.

[0009] The clamping assembly comprises a bearing turntable rotatably arranged at the bottom of the working box, and the bearing turntable is horizontally arranged, a plurality of clamps are fixedly arranged on the bearing turntable, and the plurality of clamps are arranged in a circumferential array, the plurality of clamps are located below the polishing disc, and the clamps located directly below the polishing disc and the polishing disc form a polishing station.

[0010] The working box is provided with an adjusting assembly for driving the driving motor to move vertically up and down.

[0011] Preferably, the adjusting assembly comprises a movable frame body which is vertically slidably installed in the interior of the working box, the driving motor is movably arranged on the movable frame body, an electric push rod is fixedly arranged in the interior of the movable frame body, and the electric push rod is used to drive the driving motor to move vertically up and down.

[0012] Preferably, the interior of the movable frame body movably arranged has a movable rod, a sliding groove is formed on the movable rod along the length direction thereof, one end of the sliding groove is slidably installed with a sliding block, the piston rod of the electric push rod is hingedly connected with the sliding block, and the driving motor is movably arranged at the other end of the sliding groove.

[0013] Preferably, a connecting rod is fixedly arranged on the driving motor, and an end of the connecting rod is provided with a spherical part which is slidably arranged on the sliding groove.

[0014] Preferably, the clamp comprises a storage ring, a plurality of threaded rods are arranged in a circumferential array on the storage ring, one end of each of the plurality of threaded rods extends into the interior of the storage ring, a clamping plate is fixedly arranged at one end of each of the plurality of threaded rods located in the interior of the storage ring, and a clamping area with adjustable size is formed between the plurality of clamping plates.

[0015] Preferably, a positioning pin shaft is fixedly arranged at the central position of the storage ring, and the positioning pin shaft is coaxially arranged with the storage ring.

[0016] Preferably, a first motor is fixedly arranged at the top of the working box, a reciprocating screw rod is rotatably arranged in the interior of the working box, the reciprocating screw rod is connected with the output shaft of the first motor through a belt transmission, a sleeve is threadedly sleeved on the threaded rod, and the sleeve is fixedly connected with the top of the movable frame body.

[0017] Preferably, a second motor is fixedly arranged at the bottom of the working box, and the output shaft of the second motor is fixedly connected with the bearing turntable.

[0018] Preferably, the working box is further provided with a blowing assembly, the blowing assembly comprises a gas pipe, a follower rod is fixedly arranged on the movable rod, the gas pipe is fixedly arranged on the follower rod, a plurality of gas nozzles are communicatively arranged on the gas pipe along the length direction thereof, and one end of the gas pipe is communicatively provided with a gas supply hose.

[0019] Preferably, the bottom of the working box body is provided with several universal wheels, and the inside of the working box body is provided with a mounting groove, and the movable frame body is slidingly mounted on the mounting groove.

[0020] Compared with the prior art, the present application has the following beneficial effects:

[0021] By setting the clamping assembly, the plurality of ceramic shaft sleeves to be polished are first clamped and limited, and then the polishing assembly is used to polish the plurality of ceramic shaft sleeves in turn. The setting of the polishing assembly can control the polishing time of each ceramic shaft sleeve, so that each ceramic shaft sleeve is specially polished, which is convenient to use.

[0022] The plurality of clamps can clamp and limit the plurality of ceramic shaft sleeves in turn, and then under the rotating action of the bearing turntable, the plurality of clamps can drive the plurality of ceramic shaft sleeves to move to the polishing station in turn, realizing efficient polishing processing.

[0023] The gas supply hose is connected with the high-pressure equipment of the external device, and then the gas pipe can supply high-pressure gas to the plurality of gas nozzles, and the plurality of gas nozzles can blow air to the polishing disc and the ceramic shaft sleeve to clean the dust generated in the polishing process. BRIEF DESCRIPTION OF DRAWINGS

[0024] The present application will be further described below with reference to the accompanying drawings.

[0025] Figure 1 is a sectional view of the present application;

[0026] Figure 2 is a top view of the bearing turntable and the plurality of clamps in the present application;

[0027] Figure 3 is a partial structure diagram of the present application Figure 1 ;

[0028] Figure 4 is a partial structure diagram of the present application Figure 2 .

[0029] In the figure: 1, working box body; 2, polishing disc; 3, driving motor; 4, bearing turntable; 5, movable frame body; 6, movable rod; 7, sliding groove; 8, sliding block; 9, electric push rod; 10, connecting rod; 11, spherical part; 12, storage ring; 13, threaded rod; 14, clamping plate; 15, positioning pin shaft; 16, first motor; 17, reciprocating screw rod; 18, belt; 19, sleeve; 20, second motor; 21, gas pipe; 22, follow-up rod; 23, gas nozzle; 24, gas supply hose; 25, universal wheel; 26, mounting groove. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0031] As shown in Figures 1-4 A ceramic bush processing centerless grinding machine, which comprises a working box body 1 provided with a plurality of universal wheels 25 at the bottom and a grinding assembly and a clamping assembly arranged on the working box body 1, wherein: in use, a plurality of ceramic bushes to be ground are first clamped and limited by the clamping assembly, and then the plurality of ceramic bushes are ground in turn by the grinding assembly. The grinding assembly can control the grinding time of each ceramic bush, so that each ceramic bush is ground conveniently.

[0032] For the grinding assembly in the above embodiment, the grinding assembly comprises a grinding disc 2 and a driving motor 3. The driving motor 3 is movably arranged in the working box body 1 and can move vertically. The grinding disc 2 is fixedly arranged on the output shaft of the driving motor 3. The working of the driving motor 3 can drive the grinding disc 2 to rotate, thereby realizing the grinding of the ceramic bush.

[0033] As an embodiment in the present embodiment, for the clamping assembly in the above embodiment, the clamping assembly comprises a bearing turntable 4 rotatably arranged at the bottom of the working box body 1. The bearing turntable 4 is horizontally arranged. A plurality of clamps are fixedly arranged on the bearing turntable 4 and are arranged in a circumferential array. The plurality of clamps are located below the grinding disc 2. The clamp located directly below the grinding disc 2 and the grinding disc 2 form a grinding station. The plurality of clamps can clamp and limit the plurality of ceramic bushes in turn. Subsequently, under the rotating action of the bearing turntable 4, the plurality of clamps can move the plurality of ceramic bushes to the grinding station in turn, thereby realizing efficient grinding processing.

[0034] As an embodiment in the present embodiment, as shown in Figure 2 The present application further comprises an adjusting assembly arranged on the working box body 1. The adjusting assembly is used to drive the driving motor 3 to move vertically up and down. Specifically, the adjusting assembly comprises a movable frame 5 movably installed in the working box body 1. Specifically, an installation groove 26 can be formed in the working box body 1. The movable frame 5 is slidably installed in the installation groove 26. The driving motor 3 is movably arranged on the movable frame 5. An electric push rod 9 is fixedly arranged in the movable frame 5. The electric push rod 9 is used to drive the driving motor 3 to move vertically up and down.

[0035] As an implementation in the embodiment, as shown in Figure 3 The inner part of the movable frame 5 is movably provided with a movable rod 6, a sliding groove 7 is formed in the movable rod 6 along the length direction of the movable rod 6, one end of the sliding groove 7 is slidably provided with a sliding block 8, and the piston rod of an electric push rod 9 is hinged to the sliding block 8; the driving motor 3 is movably arranged at the other end of the sliding groove 7. By starting the electric push rod 9, the movement of the piston rod of the electric push rod 9 can drive the sliding block 8 to move on the sliding groove 7, thereby realizing the rotation of the movable rod 6, and the rotation of the movable rod 6 can drive the driving motor 3 and the polishing disc 2 to move vertically up and down, so as to realize the polishing treatment of the polishing disc 2 on the ceramic shaft sleeve; the position of the polishing disc 2 can be controlled by using the electric push rod 9, thereby controlling the polishing time of the polishing disc 2 on the ceramic shaft sleeve.

[0036] As an implementation in the embodiment, the driving motor 3 is fixedly provided with a connecting rod 10, and the end of the connecting rod 10 is provided with a spherical part 11 which is slidably arranged in the sliding groove 7. When the sliding block 8 moves on the sliding groove 7 driven by the electric push rod 9, the spherical part 11 can also move on the sliding groove 7, thereby realizing the vertical up and down movement of the polishing disc 2 and the driving motor 3.

[0037] As an implementation in the embodiment, as shown in Figures 2-3 For the above-mentioned setting of the clamp, the clamp comprises a placing ring 12, a plurality of threaded rods 13 are arranged in the circumferential direction on the placing ring 12, and one end of each of the plurality of threaded rods 13 extends to the inside of the placing ring 12. A clamping plate 14 is fixedly arranged at one end of each of the plurality of threaded rods 13 located in the placing ring 12, and a clamping area with adjustable size is formed between the plurality of clamping plates 14. A positioning pin shaft 15 is fixedly arranged at the center position of the placing ring 12, and the positioning pin shaft 15 is coaxially arranged with the placing ring 12.

[0038] In use, the ceramic shaft sleeve can be first placed on the placing ring 12, at this time the ceramic shaft sleeve is sleeved on the positioning pin shaft 15, then the plurality of threaded rods 13 can be driven in sequence to rotate, so that the threaded rods 13 drive the clamping plates 14 thereon to move, until the plurality of clamping plates 14 clamp the ceramic shaft sleeve.

[0039] In order to drive the polishing disc 2 to move vertically up and down more finely, a first motor 16 can be fixedly arranged on the top of the working box 1, a reciprocating screw rod 17 is rotatably arranged in the working box 1, and the reciprocating screw rod 17 is drivingly connected with the output shaft of the first motor 16 through a belt 18, a sleeve 19 is threadedly sleeved on the threaded rod 13, and the sleeve 19 is fixedly connected with the top of the movable frame body 5. When the first motor 16 is started, the first motor 16 can drive the reciprocating screw rod 17 to rotate, the reciprocating screw rod 17 can drive the sleeve 19 to move vertically upward or downward, thereby realizing the vertical up and down movement of the movable frame body 5, and the vertical up and down movement of the movable frame body 5 can drive the driving motor 3 and the polishing disc 2 to move vertically up and down.

[0040] In order to automatically switch the positions of the plurality of clamps, a second motor 20 can be fixedly arranged on the bottom of the working box 1, and the output shaft of the second motor 20 is fixedly connected with the bearing turntable 4.

[0041] As an embodiment in the present embodiment, as shown in Figure 1 In order to better perform the polishing work, an air blowing assembly can also be arranged, the air blowing assembly comprises an air pipe 21, a follower rod 22 is fixedly arranged on the movable rod 6, the air pipe 21 is fixedly arranged on the follower rod 22, a plurality of air nozzles 23 are arranged in communication along the length direction of the air pipe 21, and a gas supply hose 24 is arranged in communication at one end of the air pipe 21. The gas supply hose 24 is connected with an external high-pressure device, so that the air pipe 21 can supply high-pressure gas to the plurality of air nozzles 23, and the plurality of air nozzles 23 can blow air to the polishing disc 2 and the ceramic shaft sleeve, so as to clean the dust generated in the polishing process.

[0042] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; 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 inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0043] The above describes one embodiment of the present application in detail, but the content described is only the preferred embodiment of the present application, and cannot be considered as limiting the scope of the present application. Any equivalent changes and improvements made within the scope of the present application shall still belong to the patent coverage scope of the present application.

Claims

1. A centerless grinding machine for machining ceramic bushings, characterized in that, Including work box (1) and setting on work box (1) polishing assembly and clamping assembly; The polishing assembly comprises a polishing disc (2) and a driving motor (3), the driving motor (3) is movably arranged in the work box (1), and the driving motor (3) can move in the vertical direction, and the polishing disc (2) is fixedly arranged on the output shaft of the driving motor (3); The clamping assembly comprises a bearing turntable (4) rotatably arranged at the bottom of the work box (1), and the bearing turntable (4) is horizontally arranged, a plurality of clamps are fixedly arranged on the bearing turntable (4) in a circumferential array, and the plurality of clamps are located below the polishing disc (2), and the clamps located directly below the polishing disc (2) and the polishing disc (2) form a polishing station; The work box (1) is provided with an adjusting assembly, and the adjusting assembly is used to drive the driving motor (3) to move vertically up and down; The adjusting assembly comprises a movable frame (5), the movable frame (5) is vertically slidably arranged in the work box (1), the driving motor (3) is movably arranged on the movable frame (5), the inside of the movable frame (5) is fixedly provided with an electric push rod (9), and the electric push rod (9) is used to drive the driving motor (3) to move vertically up and down; The inside of the movable frame (5) is movably provided with a movable rod (6), a sliding groove (7) is formed in the length direction of the movable rod (6), one end of the sliding groove (7) is slidably provided with a sliding block (8), and the piston rod of the electric push rod (9) is hingedly connected with the sliding block (8); the driving motor (3) is movably arranged at the other end of the sliding groove (7); The driving motor (3) is fixedly provided with a connecting rod (10), and the end of the connecting rod (10) is provided with a spherical part (11), the spherical part (11) is slidably arranged on the sliding groove (7); The clamp comprises a storage ring (12), a plurality of threaded rods (13) are arranged in a circumferential array on the storage ring (12), one end of each of the plurality of threaded rods (13) extends into the inside of the storage ring (12), one end of each of the plurality of threaded rods (13) is fixedly provided with a clamping plate (14), and a clamping area with adjustable size is formed between the plurality of clamping plates (14); A first motor (16) is fixedly arranged at the top of the work box (1), a reciprocating screw rod (17) is rotatably arranged in the inside of the work box (1), and the reciprocating screw rod (17) and the output shaft of the first motor (16) are drivingly connected through a belt (18), a sleeve (19) is threadedly arranged on the threaded rod (13), and the sleeve (19) is fixedly connected with the top of the movable frame (5).

2. The centerless grinding machine for ceramic bushing according to claim 1, wherein A positioning pin shaft (15) is fixedly arranged at the center position of the storage ring (12), and the positioning pin shaft (15) is coaxially arranged with the storage ring (12).

3. The centerless grinding machine for ceramic bushing according to claim 2, wherein A second motor (20) is fixedly arranged at the bottom of the work box (1), and the output shaft of the second motor (20) is fixedly connected with the bearing turntable (4).

4. The centerless grinding machine for ceramic bushing according to claim 3, wherein Also include blowing assembly, the blowing assembly includes air pipe (21), the movable rod (6) is fixedly provided with follow-up rod (22), the air pipe (21) is fixedly arranged on follow-up rod (22), the air pipe (21) is provided with multiple air nozzles (23) along its length direction, one end of the air pipe (21) is provided with gas hose (24).

5. The centerless grinding machine for ceramic bushings according to claim 4, characterized in that, The bottom of the working box body (1) is provided with a plurality of universal wheels (25), and the inside of the working box body (1) is provided with a mounting groove (26), and the movable frame body (5) is slidably installed on the mounting groove (26).

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