Adjustable centering device for finish machining of outer circle of motor output shaft

Abstract

The utility model discloses a motor output shaft outer circle finish machining adjustable centering device which comprises a machining plate, two guide grooves are formed in the machining plate, a first screw rod and a second screw rod which can rotate synchronously are arranged in the two guide grooves, moving plates are connected in the two guide grooves in a sliding mode, and the first screw rod and the second screw rod are arranged on the machining plate. The first screw rod and the second screw rod penetrate through the moving plates on the same side and are in threaded connection with the moving plates, detachable V-shaped plates are installed on the moving plates, rubber pads are fixedly connected to the V-shaped plates, a round rod which is rotationally arranged penetrates through the machining plate, and the round rod is fixedly connected with the first screw rod and the second screw rod. By adjusting the distance between the two V-shaped plates, output shafts of various models can be centered, clamped and positioned, the number of contact surfaces between the centering clamp and the output shafts is four, and compared with the prior art, centering and clamping of the output shafts are more stable.

Description

Technical Field

[0001] The utility model relates to the technical field of motor output shaft processing, in particular to an adjustable centering device for fine processing of the outer circle of a motor output shaft. Background Art

[0002] Motor is an electric motor or engine. The working principle is that the energized coil rotates in the magnetic field to drive the starter rotor to rotate, and the small gear on the rotor drives the engine flywheel to rotate. The motor output shaft is an important component of the motor. When processing the motor output shaft, an adjustable centering device for finishing the outer circle of the motor output shaft is required.

[0003] The prior art publication number CN215033741U discloses an adjustable centering device for finishing the outer circle of a motor output shaft, which includes a centering body, a hydraulic chuck is installed on the centering body, an adjusting seat is installed at the center position inside the hydraulic chuck, a sealing disk is installed on the side of the adjusting seat close to the hydraulic chuck, an adjusting bolt penetrating the sealing disk is installed inside the hydraulic chuck, and a nut is installed on the adjusting bolt.

[0004] The above-mentioned prior art clamps and positions the output shaft through three clamping plates with arc surfaces. However, when clamping shaft ends of different models, the contact surface between the arc surface and the outer surface of the shaft changes, resulting in insufficient clamping stability. For this reason, the present application proposes an adjustable centering device for finishing the outer circle of the motor output shaft. Utility Model Content

[0005] The utility model aims to solve the above technical problems and proposes an adjustable centering device for finishing the outer circle of a motor output shaft.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A motor output shaft outer circle fine machining adjustable centering device, comprising a machining plate, the machining plate is provided with two guide grooves, the two guide grooves are provided with a first screw and a second screw that can rotate synchronously, the two guide grooves are slidably connected with a movable plate, the first screw and the second screw respectively penetrate the movable plate on the same side and are threadedly connected thereto, a detachable V-shaped plate is installed on the movable plate, and a rubber pad is fixedly connected to the V-shaped plate.

[0008] Preferably, a rotatable round rod is penetrated through the processing plate, and the round rod is fixedly connected to the first screw rod and the second screw rod.

[0009] Preferably, the thread directions of the first screw and the second screw are opposite.

[0010] Preferably, the movable plate is provided with an installation groove, a installation block is slidably installed in the installation groove, the installation block is fixedly connected to the V-shaped plate, a locking hole is provided at the upper end of the installation block, and a locking pin is provided on the movable plate and extends into the locking hole to lock the installation block on the movable plate.

[0011] Preferably, a pull block is fixed to the upper end of the locking pin, a spring is fixed on the pull block, and the spring is fixedly connected to the moving plate.

[0012] Preferably, a short rod is fixed on the second screw rod, the short rod passes through the processing plate and is rotatably connected thereto, and a handle is fixed on the short rod.

[0013] The utility model can center and clamp output shafts of various models by adjusting the distance between the two V-shaped plates, and has four contact surfaces with the output shaft, which makes the centering and clamping of the output shaft more stable than the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of an adjustable centering device for fine machining of the outer circle of a motor output shaft proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the first screw and the second screw in an adjustable centering device for finishing the outer circle of a motor output shaft proposed by the utility model;

[0016] Figure 3 This is a disassembled view of the mounting block in an adjustable centering device for fine machining the outer circle of a motor output shaft proposed by the utility model.

[0017] In the figure: 1 processing plate, 2 guide groove, 3 short rod, 4 handle, 5 first screw rod, 6 second screw rod, 7 moving plate, 8 round rod, 9 mounting groove, 10 pull block, 11 locking pin, 12 spring, 13 mounting block, 14 locking hole, 15 V-shaped plate, 16 rubber pad. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Reference Figure 1-Figure 3 A motor output shaft outer circle finishing adjustable centering device comprises a processing plate 1, the processing plate 1 is provided with two guide grooves 2, the two guide grooves 2 are provided with a first screw 5 and a second screw 6 that can rotate synchronously, wherein a rotatable round rod 8 is penetrated through the processing plate 1, and the round rod 8 is fixedly connected to the first screw 5 and the second screw 6, so that the first screw 5 and the second screw 6 can rotate synchronously.

[0020] A movable plate 7 is slidably connected in the two guide grooves 2, and the first screw 5 and the second screw 6 respectively penetrate the movable plate 7 on the same side and are threadedly connected thereto. Since the thread directions of the first screw 5 and the second screw 6 are arranged in opposite directions, the first screw 5 and the second screw 6 are rotated to realize the relative or opposite movement of the two movable plates 7; in order to facilitate the rotation of the first screw 5 and the second screw 6, a short rod 3 is fixed on the second screw 6, and the short rod 3 penetrates the processing plate 1 and is rotatably connected thereto, and a handle 4 is fixed on the short rod 3. Rotating the handle 4 drives the short rod 3, thereby realizing the rotation of the first screw 5 and the second screw 6.

[0021] A detachable V-shaped plate 15 is installed on the movable plate 7, and a mounting groove 9 is penetrated on the movable plate 7. A mounting block 13 is slidably installed in the mounting groove 9, and the mounting block 13 is fixedly connected to the V-shaped plate 15. A locking hole 14 is provided at the upper end of the mounting block 13, and a locking pin 11 extending into the locking hole 14 to lock the mounting block 13 on the movable plate 7 is penetrated on the movable plate 7, and a pulling block 10 is fixed on the upper end of the locking pin 11, and a spring 12 is fixed on the pulling block 10, and the spring 12 is fixedly connected to the movable plate 7; the above implementation is for installing the mounting block 13 and the V-shaped plate 15; when disassembly and replacement are required, the staff can manually pull the pulling block 10 to drive the locking pin 11 to disengage from the locking hole 14, and the mounting block 13 is no longer limited at this time, so that the mounting block 13 and the V-shaped plate 15 can be removed for replacement or maintenance.

[0022] The first screw 5 and the second screw 6 rotate, so that the two movable plates 7 move relative to each other, and finally the output shaft is clamped and fixed by the two V-shaped plates 15; since the rubber pad 16 is fixedly connected to the V-shaped plate 15, the rubber pad 16 is squeezed and deformed due to pressure, so that the contact area with the output shaft can be increased, so that the output shaft can be more stably centered and clamped;

[0023] Due to the setting of the V-shaped plate 15, by adjusting the distance between the two V-shaped plates 15, various types of output shafts can be centered and clamped, and there are four contact surfaces with the output shaft, which is more stable than the existing technology for centering and clamping the output shaft.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An adjustable centering device for finishing the outer circle of a motor output shaft, comprising a processing plate (1), characterized in that: The processing plate (1) is provided with two guide grooves (2), and a first screw rod (5) and a second screw rod (6) that can rotate synchronously are provided in the two guide grooves (2). A movable plate (7) is slidably connected in the two guide grooves (2). The first screw rod (5) and the second screw rod (6) respectively penetrate the movable plate (7) on the same side and are threadedly connected thereto. A detachable V-shaped plate (15) is installed on the movable plate (7), and a rubber pad (16) is fixedly connected to the V-shaped plate (15).

2. The adjustable centering device for finishing the outer circle of a motor output shaft according to claim 1, characterized in that: A rotatably arranged round rod (8) is passed through the processing plate (1), and the round rod (8) is fixedly connected to the first screw rod (5) and the second screw rod (6).

3. The adjustable centering device for finishing the outer circle of a motor output shaft according to claim 1, characterized in that: The thread directions of the first screw (5) and the second screw (6) are opposite.

4. The adjustable centering device for finishing the outer circle of a motor output shaft according to claim 1, characterized in that: The movable plate (7) is provided with a mounting groove (9) extending through it, a mounting block (13) is slidably mounted in the mounting groove (9), the mounting block (13) is fixedly connected to the V-shaped plate (15), a locking hole (14) is provided at the upper end of the mounting block (13), and a locking pin (11) extending into the locking hole (14) to lock the mounting block (13) on the movable plate (7) is provided through it.

5. The adjustable centering device for finishing the outer circle of a motor output shaft according to claim 4, characterized in that: A pull block (10) is fixed to the upper end of the locking pin (11), a spring (12) is fixed on the pull block (10), and the spring (12) is fixedly connected to the moving plate (7).

6. The adjustable centering device for finishing the outer circle of a motor output shaft according to claim 1, characterized in that: A short rod (3) is fixed on the second screw rod (6), the short rod (3) passes through the processing plate (1) and is rotatably connected thereto, and a handle (4) is fixed on the short rod (3).

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