Grinding device capable of adjusting eccentric distance

Abstract

The utility model relates to the field of part machining, in particular to a grinding device capable of adjusting the eccentric distance. The utility model provides a grinding device capable of adjusting the eccentric distance, which can adjust the position of a part according to the actual eccentric distance and grind the part after positioning verification, reduces errors, is convenient to adapt to the grinding of eccentric parts with different sizes, improves the grinding efficiency and quality, and is flexible and convenient to use. A grinding device capable of adjusting the eccentric distance comprises a base, an equipment box and the like, and the left portion of the base is connected with the equipment box. According to the utility model, the movable frame moves, the positioning wheel is contacted with a part, the positioning wheel moves to push the part to move for positioning, then verification is carried out, and then the part is ground, so that the position of the part can be adjusted according to the actual eccentric distance, and grinding is carried out after positioning verification, thereby reducing errors; the eccentric parts with different sizes can be conveniently ground, the grinding efficiency and quality are improved, and the use is flexible and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of part processing especially relates to adjustable eccentricity's grinding device. BACKGROUND

[0002] Part grinding is a common precision machining method for improving the surface finish, dimensional accuracy and shape accuracy of parts, grinding removes a thin layer of material from the part surface by using a grinding tool, eccentricity adjustment is the key step to ensure that the eccentric part reaches the required eccentricity during processing, the eccentricity of the eccentric part refers to the distance between the center axis of the part and the rotating axis, correct eccentricity adjustment can ensure the processing accuracy and function of the part.

[0003] The existing grinding equipment adjusts eccentricity, usually by installing the part on the grinding equipment, then adjusting the position of the part directly according to the theoretical value through the grinding equipment, and then grinding the part after adjustment, however, the current grinding equipment cannot verify and then grind after adjusting according to the actual eccentric distance, but can only be used according to the eccentricity adjustment of the specific size of the part, which has poor flexibility, is easy to cause grinding error, and easily affects the efficiency and quality of grinding, and is inconvenient to use.

[0004] Therefore, it is necessary to design an adjustable eccentricity grinding device that can adjust the position of the part according to the actual eccentric distance, verify the position after positioning, and then grind, reduce error, facilitate the grinding of eccentric parts of different sizes, improve the efficiency and quality of grinding, and be flexible and convenient to use. SUMMARY

[0005] In order to overcome the shortcomings of the current grinding equipment that cannot verify and then grind after adjusting according to the actual eccentric distance, has poor flexibility, is easy to cause grinding error, and easily affects the efficiency and quality of grinding, and is inconvenient to use, the utility model provides an adjustable eccentricity grinding device that can adjust the position of the part according to the actual eccentric distance, verify the position after positioning, and then grind, reduce error, facilitate the grinding of eccentric parts of different sizes, improve the efficiency and quality of grinding, and be flexible and convenient to use.

[0006] The technical solution is as follows: An adjustable eccentricity grinding device includes a base, an equipment box, a support frame, a common motor, a lead screw, a movable frame, a locking component, a clamping component, a grinding component, and a positioning component. The equipment box is connected to the left side of the base, and the support frame is connected to the right side of the base. The support frame is connected to the equipment box. A common motor is connected to the upper right side of the support frame. A lead screw is rotatably connected to the upper part of the support frame. The lead screw is connected to the output shaft of the common motor. The movable frame is threadedly connected to the lead screw. The movable frame is slidably connected to the support frame. The equipment box is provided with a locking component for locking the position of the grinding workpiece. The locking component is provided with a clamping component for clamping the grinding workpiece. The upper part of the movable frame is provided with a grinding component for grinding the grinding workpiece. The lower part of the movable frame is provided with a positioning component for positioning the grinding workpiece.

[0007] Furthermore, the locking assembly includes a drive disc, hydraulic cylinders, hydraulic lockers, connecting pipes, pistons, and connecting seats. A motor is located in the middle of the equipment box, and a drive disc is connected to the output shaft of the motor. Hydraulic cylinders are connected to both the front and rear parts of the drive disc, and hydraulic lockers are connected to the upper and lower right sides of the drive disc. Connecting pipes are connected to the sides of the hydraulic cylinders that are far apart from each other, and the tail ends of the connecting pipes are connected to the hydraulic cylinders on the same side. Pistons are slidably connected between the hydraulic cylinders, and connecting seats are connected to the middle of the pistons.

[0008] Furthermore, the clamping assembly includes a three-jaw chuck and jaws, with the three-jaw chuck connected to the right side of the connector, and multiple jaws slidably connected to the three-jaw chuck.

[0009] Furthermore, a handle is provided on the upper part of the three-jaw chuck.

[0010] Furthermore, the grinding assembly includes an electric push rod and a grinding component. The electric push rod is connected to the upper part of the moving frame, and the grinding component is connected to the telescopic end of the electric push rod.

[0011] Furthermore, the positioning assembly includes a first cylinder, a mounting bracket, a second cylinder, positioning wheels, and a pressure sensor. The first cylinder is connected to the lower side of the moving frame that is close to each other. The mounting bracket is connected to the telescopic end of the first cylinder. The second cylinder is connected to both the upper and lower parts of the mounting bracket. The telescopic end of the second cylinder is provided with a connector. The positioning wheel is rotatably connected to the connector. The pressure sensor is connected to the outside of the connector. The pressure sensor is electrically connected to the adjacent second cylinder.

[0012] The beneficial effects are as follows: 1. This utility model moves the moving frame, then makes the positioning wheel contact the part, and then moves the part to position it by moving the positioning wheel. After verification, the part is ground. Thus, the position of the part can be adjusted according to the actual eccentric distance. After positioning verification, grinding is performed, which reduces the error and is easy to adapt to the grinding of eccentric parts of different sizes. It improves the efficiency and quality of grinding and is flexible and convenient to use.

[0013] 2、The utility model discloses a part is contacted with three jaw chuck, then through handle rotation, make the claw of three jaw chuck move and be contacted with the part, and then the part is clamped, can be clamped to eccentric part of different size to prevent the part from falling or displacement, facilitate eccentric part of different size clamping use. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three -dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the three -dimensional structure schematic diagram of three jaw chuck and the claw of the utility model.

[0016] Figure 3 It is the three -dimensional structure schematic diagram of hydraulic lock and connecting pipe of the utility model.

[0017] Figure 4 It is the three -dimensional structure schematic diagram of piston and connecting seat of the utility model.

[0018] Figure 5 It is the structure schematic diagram of support frame and ordinary motor of the utility model.

[0019] Figure 6 It is the three -dimensional structure schematic diagram of first air cylinder, second air cylinder and positioning wheel of the utility model.

[0020] Part name and serial number in drawing: 1_base, 2_equipment box, 3_drive disc, 4_hydraulic cylinder, 5_hydraulic lock, 6_connecting pipe, 7_piston, 8_connecting seat, 9_three jaw chuck, 10_claw, 11_support frame, 12_ordinary motor, 13_screw rod, 14_moving frame, 15_grinding assembly, 16_first air cylinder, 17_mounting frame, 18_second air cylinder, 19_positioning wheel, 20_pressure sensor. DETAILED DESCRIPTION

[0021] The utility model is specifically described below in connection with the drawings.

[0022] A kind of adjustable eccentricity's grinding device, such as Figures 1-6As shown, including base 1, equipment box 2, drive disc 3, hydraulic cylinder 4, hydraulic lock 5, connecting pipe 6, piston 7, connecting seat 8, three-jaw chuck 9, jaw 10, support frame 11, ordinary motor 12, screw rod 13, moving frame 14, locking assembly, clamping assembly, polishing assembly 15, first cylinder 16, mounting frame 17, second cylinder 18, positioning wheel 19 and pressure sensor 20, the left part of base 1 is connected with equipment box 2, the middle part of equipment box 2 is provided with a motor, the output shaft of the motor is connected with drive disc 3, the front and rear parts of drive disc 3 are connected with hydraulic cylinder 4, the upper and lower parts of drive disc 3 are connected with hydraulic lock 5 on the right side, the sides away from each other of hydraulic cylinder 4 are connected with connecting pipe 6, the tail ends of connecting pipe 6 are connected with the hydraulic cylinder 4 on the same side, the piston 7 is slidably connected between the hydraulic cylinders 4, the connecting seat 8 is connected in the middle of piston 7, the three-jaw chuck 9 is connected on the right side of connecting seat 8, three jaws 10 are slidably connected on the three-jaw chuck 9, a handle is arranged on the upper part of three-jaw chuck 9, which is convenient for rotating and moving the jaw 10, the right part of base 1 is connected with support frame 11, support frame 11 is connected with equipment box 2, ordinary motor 12 is connected on the upper right side of support frame 11, screw rod 13 is rotatably connected on the upper part of support frame 11, screw rod 13 is connected with the output shaft of ordinary motor 12, moving frame 14 is connected with support frame 11 by thread, polishing assembly 15 for polishing the ground parts is arranged on the upper part of moving frame 14, polishing assembly 15 comprises an electric push rod and a polishing piece, the electric push rod is connected on the upper part of moving frame 14, the polishing piece is connected on the telescopic end of electric push rod, first cylinder 16 is connected on the side close to each other of moving frame 14, mounting frame 17 is connected on the telescopic end of first cylinder 16, second cylinder 18 is connected on the upper and lower parts of mounting frame 17, connecting piece is arranged on the telescopic end of second cylinder 18, positioning wheel 19 is rotatably connected on the connecting piece, pressure sensor 20 is connected on the outer side of connecting piece, pressure sensor 20 is electrically connected with adjacent second cylinder 18.

[0023] When the part needs to be ground, the device can be used, so that the base 1 is in contact with the ground, and then the part is in contact with the three-jaw chuck 9, and then it is rotated by the handle, so that the clamping jaw 10 on the three-jaw chuck 9 moves in contact with the part, and then the part is clamped, so that different sizes of eccentric parts can be clamped, preventing the part from slipping or shifting, facilitating the clamping and use of eccentric parts of different sizes, then starting the ordinary motor 12 on the support frame 11, rotating the lead screw 13 driven by the ordinary motor 12, moving the moving frame 14 under the action of the screw, and then driving the polishing assembly 15, the mounting frame 17, the connecting piece, the positioning wheel 19 and the pressure sensor 20 to move, after moving to the appropriate position, starting the first cylinder 16, moving the mounting frame 17 driven by the first cylinder 16, moving the second cylinder 18, the connecting piece, the positioning wheel 19 and the pressure sensor 20, so that the positioning wheel 19 is in contact with the part, when the pressure sensor 20 monitors the uneven pressure, the corresponding second cylinder 18 will be started, the corresponding connecting piece and positioning wheel 19 are moved by the second cylinder 18, and then the part is moved, so that the hydraulic cylinder 4, the hydraulic lock 5, the piston 7, the connecting seat 8, the three-jaw chuck 9 and the clamping jaw 10 are moved, so that the center of the eccentric part of the part is aligned with the center of the driving disc 3, then the hydraulic lock 5 is started, the hydraulic oil flows into the hydraulic cylinder 4 from the connecting pipe 6, and then the position of the piston 7 is locked, and then the position of the part is positioned, and then the position of the part is verified, and then the electric push rod is started, the polishing piece is moved in contact with the part by the electric push rod, then the motor is started, the driving disc 3 is rotated by the motor, and then the hydraulic cylinder 4, the hydraulic lock 5, the connecting pipe 6, the piston 7, the connecting seat 8, the three-jaw chuck 9 and the clamping jaw 10 are rotated, so that the part is rotated for grinding, so that the position of the part can be adjusted according to the actual eccentric distance after the position positioning verification, reducing the error, facilitating the grinding of eccentric parts of different sizes, improving the efficiency and quality of grinding, flexible and convenient to use, after grinding is completed, the motor is turned off, the electric push rod is operated in reverse, the polishing piece is moved away from the part, then the second cylinder 18 is operated in reverse, the connecting piece and the positioning wheel 19 are moved back to normal, then the first cylinder 16 is operated in reverse, the mounting frame 17, the second cylinder 18, the positioning wheel 19 and the pressure sensor 20 are moved back to normal, then the handle is rotated in reverse, the clamping jaw 10 is moved in reverse and separated from the part, then the part is removed, then a new part is installed on the clamping jaw 10, and the above operation is repeated to grind the part, until the part is completely processed.

[0024] The above examples are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application shall be covered within the protection scope of the present application.

Claims

1. An adjustable offset grinder characterized by, The utility model provides a grinding device, including base (1), equipment box (2), support frame (11), ordinary motor (12), screw rod (13), moving frame (14), locking assembly, clamping assembly, polishing assembly (15) and positioning assembly, the left part of base (1) is connected with equipment box (2), the right part of base (1) is connected with support frame (11), and support frame (11) is connected with equipment box (2), ordinary motor (12) is connected on the upper right side of support frame (11), screw rod (13) is rotatably connected on the upper of support frame (11), and screw rod (13) is connected with the output shaft of ordinary motor (12), and moving frame (14) is connected on screw rod (13) through screw thread, and moving frame (14) is slidably connected with support frame (11), and the locking assembly for locking the position of grinding parts is equipped on equipment box (2), the clamping assembly for clamping grinding parts is equipped on locking assembly, the polishing assembly (15) for polishing grinding parts is equipped on the upper of moving frame (14), and the positioning assembly for positioning grinding parts is equipped on the lower of moving frame (14).

2. The adjustable offset grinder of claim 1, wherein, The locking assembly includes drive disc (3), hydraulic cylinder (4), hydraulic lock (5), connecting pipe (6), piston (7) and connecting seat (8), the middle part of equipment box (2) is equipped with motor, the output shaft of motor is connected with drive disc (3), drive disc (3) is connected with hydraulic cylinder (4) on both sides, drive disc (3) is connected with hydraulic lock (5) on both sides right sides, the side away from each other of hydraulic cylinder (4) is connected with connecting pipe (6), and the tail end of connecting pipe (6) is connected with the hydraulic cylinder (4) of same side, and piston (7) is slidably connected between hydraulic cylinder (4), and the middle part of piston (7) is connected with connecting seat (8).

3. An adjustable offset grinder as defined in claim 2 wherein, The clamping assembly includes three-jaw chuck (9) and claw (10), and the right side of connecting seat (8) is connected with three-jaw chuck (9), and a plurality of claws (10) are slidably connected on three-jaw chuck (9).

4. The adjustable offset grinder of claim 3, wherein, The upper part of three-jaw chuck (9) is provided with a handle.

5. An adjustable offset grinder as claimed in claim 4, wherein, The polishing assembly (15) includes an electric push rod and a polishing piece, and the electric push rod is connected to the upper part of the moving frame (14), and the polishing piece is connected to the telescopic end of the electric push rod.

6. An adjustable offset grinder according to claim 5, wherein The positioning assembly includes a first air cylinder (16), a mounting bracket (17), a second air cylinder (18), a positioning wheel (19), and a pressure sensor (20), and the side close to each other of the lower part of the moving frame (14) is connected with the first air cylinder (16), the telescopic end of the first air cylinder (16) is connected with the mounting bracket (17), the upper and lower parts of the mounting bracket (17) are connected with the second air cylinder (18), the telescopic end of the second air cylinder (18) is provided with a connecting piece, the connecting piece is rotatably connected with the positioning wheel (19), the outer side of the connecting piece is connected with the pressure sensor (20), and the pressure sensor (20) is electrically connected with the adjacent second air cylinder (18).

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