CN215491570U

CN215491570U - Motor shaft surface roundness testing device

Info

Publication number: CN215491570U
Application number: CN202121975422.2U
Authority: CN
Inventors: 史韶峰
Original assignee: Changzhou Hanyu Electronics Co ltd
Current assignee: Changzhou Hanyu Electronics Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-01-11
Anticipated expiration: 2031-08-20

Abstract

The utility model belongs to the field of detection devices, and particularly relates to a motor shaft surface roundness testing device which comprises a motor shaft; the outer sides of the motor shafts are provided with clamping blocks, and the lower sides of the clamping blocks are arranged on the placing table; the lower side of the placing table is fixedly connected with a stick, and the lower end of the stick is inserted into the shell; the lower side of the stick is fixedly connected with the output end of the motor, and the lower side of the motor is fixedly connected with the inner wall of the shell; a limiting rod is inserted into the left end of the shell, and two sides of the limiting rod are fixedly connected to the inner wall of the shell; a standard block is sleeved on the outer side of the right end of the limiting rod, and one side, close to the motor shaft, of the standard block is attached to the motor shaft; the left side of the standard block is fixedly connected with a spring, and the inside of the spring is sleeved outside the limiting rod; the other end of the spring is fixedly connected to the inner wall of the shell, and the upper side of the shell is fixedly connected with a supporting plate; when the motor shaft is detected, the detection is simpler and more convenient, the detection efficiency is improved, the function of convenient detection is realized, and the problem of inconvenient rapid detection is solved.

Description

Motor shaft surface roundness testing device

Technical Field

The utility model relates to the field of testing devices, in particular to a device for testing the roundness of the surface of a motor shaft.

Background

The surface roundness of the motor shaft influences the attractiveness and the working performance of the motor shaft, so that the surface roundness of the motor shaft needs to be tested before delivery to meet delivery requirements, and a roundness testing device needs to be used for detection during testing.

The traditional roundness testing device usually adopts electronic equipment with higher precision for detection, although the detection method has higher detection accuracy, the equipment cost is higher, various parameters need to be adjusted during detection, the detection is inconvenient, and the device is inconvenient to be applied to mass detection after the production of a factory assembly line; therefore, the motor shaft surface roundness testing device is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the prior art is insufficient and inconvenient to detect quickly, the utility model provides a device for testing the roundness of the surface of a motor shaft.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a motor shaft surface roundness testing device, which comprises a motor shaft; the outer sides of the motor shafts are provided with clamping blocks, and the lower sides of the clamping blocks are arranged on the placing table; the lower side of the placing table is fixedly connected with a stick, and the lower end of the stick is inserted into the shell; the lower side of the stick is fixedly connected with the output end of the motor, and the lower side of the motor is fixedly connected with the inner wall of the shell; a limiting rod is inserted into the left end of the shell, and two sides of the limiting rod are fixedly connected to the inner wall of the shell; a standard block is sleeved on the outer side of the right end of the limiting rod, and one side, close to the motor shaft, of the standard block is attached to the motor shaft; the left side of the standard block is fixedly connected with a spring, and the inside of the spring is sleeved outside the limiting rod; the other end of the spring is fixedly connected to the inner wall of the shell, and the upper side of the shell is fixedly connected with a supporting plate; the backup pad right side has linked firmly infrared distance meter, through being provided with the clamp splice, placing platform, rod, casing, motor, gag lever post, standard block, spring, foam-rubber cushion, backup pad and infrared distance meter, makes the motor shaft examine time measuring, and is more simple convenient, saves check-out time, promotes detection efficiency.

Preferably, the lower side of the clamping block is fixedly connected with a connecting plate, and the lower side of the connecting plate is fixedly connected with an internal thread block; the lower side of the internal thread block is fixedly connected with a sliding block, and the inside of the sliding block slides outside the sliding rail; the lower sides of the sliding rails are fixedly connected to the inner wall of the placing table, and the inner part of the internal thread block is sleeved outside the threaded rod; threaded rod left side switching is on placing an inner wall, and the threaded rod right-hand member runs through to place the platform and has linked firmly the commentaries on classics board, through being provided with connecting plate, internal thread piece, slider, slide rail, threaded rod and commentaries on classics board, adjusts according to the different specification size of motor shaft, the subsequent detection of being convenient for.

Preferably, the rubber pad has been linked firmly in the clamp splice outside, and the rubber pad keeps away from the motor shaft of all laminating of one side of clamp splice, through being provided with the rubber pad, when making the clamp splice carry out the centre gripping to the motor shaft, protects the motor shaft.

Preferably, the right end of the limiting rod is fixedly connected with a sponge pad, the right side of the sponge pad is fixedly connected to the inner wall of the shell, and the standard block is buffered when the standard block restores to the original position through the sponge pad.

Preferably, the inside ball that all inserts of slider is equipped with, and on the ball downside all laminated placing the platform inner wall, through being provided with the ball, when making the slider remove, carries out the assistance-movement to the slider.

Preferably, the threaded rod outside all links firmly the stopper, through being provided with the stopper, when making the internal thread piece remove, carries on spacingly to the internal thread piece.

The utility model has the advantages that:

1. when the motor shaft needs to be detected, the standard block is pulled to enable the standard block to compress the spring under the limiting effect of the limiting rod, the motor shaft is placed on the placing table and limited through the clamping block and the rubber pad, the standard block is attached to the motor shaft through the elastic potential energy of the spring, the motor is started to drive the stick and the placing table to rotate, the placing table drives the motor shaft to rotate, through the rotation of the motor shaft, when the motor shaft is uneven, the spring can push the standard block to move, the moving distance of the standard block is detected through the infrared distance meter, the structural design of whether the motor shaft is qualified or not is convenient to detect, the motor shaft is simpler and more convenient to detect, the detection efficiency is improved, the function of convenient detection is realized, and the problem of inconvenience and quick detection is solved;

2. according to the utility model, when motor shafts with different specifications are detected, the position of the clamping block is adjusted according to the size of the motor shaft, the rotating plate is twisted during adjustment to drive the threaded rod to rotate, and the inner thread block drives the connecting plate and the clamping block to move under the assistance of the sliding block and the ball through the meshing of the threaded rod and the inner thread block.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram according to a first embodiment;

FIG. 2 is a schematic cross-sectional front view illustrating a structure of the first embodiment;

FIG. 3 is a schematic diagram of a structure shown in FIG. 2 according to a first embodiment;

fig. 4 is a schematic structural view of a slide rail according to the first embodiment;

fig. 5 is a schematic structural diagram of a front cross section of the second embodiment.

In the figure: 110. a motor shaft; 210. a clamping block; 211. a rubber pad; 220. a placing table; 230. a stick; 240. a housing; 250. a motor; 260. a limiting rod; 270. a standard block; 280. a spring; 290. a sponge cushion; 2010. a support plate; 2020. an infrared range finder; 2030. a steering wheel; 310. a connecting plate; 320. an internal thread block; 330. a slider; 331. a ball bearing; 340. a slide rail; 350. a threaded rod; 351. a limiting block; 360. and (6) rotating the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1-4, the device for measuring the roundness of the surface of a motor shaft includes a motor shaft 110; the outer sides of the motor shafts 110 are provided with clamping blocks 210, and the lower sides of the clamping blocks 210 are arranged on a placing table 220; a stick 230 is fixedly connected to the lower side of the placing table 220, and the lower end of the stick 230 is inserted into the shell 240; the lower side of the stick 230 is fixedly connected to the output end of the motor 250, and the lower side of the motor 250 is fixedly connected to the inner wall of the shell 240; a limiting rod 260 is inserted into the left end of the shell 240, and both sides of the limiting rod 260 are fixedly connected to the inner wall of the shell 240; a standard block 270 is sleeved on the outer side of the right end of the limiting rod 260, and one side, close to the motor shaft 110, of the standard block 270 is attached to the motor shaft 110; the left side of the standard block 270 is fixedly connected with a spring 280, and the spring 280 is sleeved outside the limiting rod 260; the other end of the spring 280 is fixedly connected to the inner wall of the shell 240, and the upper side of the shell 240 is fixedly connected with a support plate 2010; the right side of the supporting plate 2010 is fixedly connected with an infrared range finder 2020; when the motor shaft 110 needs to be detected, the standard block 270 is pulled, the standard block 270 compresses the spring 280 under the limit of the limit rod 260, the motor shaft 110 is placed on the placing table 220, the limit is performed through the clamping block 210 and the rubber pad 211, the standard block 270 is attached to the motor shaft 110 through the elastic potential energy of the spring 280, the motor 250 is started, the roller 230 and the placing table 220 are driven to rotate, the placing table 220 drives the motor shaft 110 to rotate, through the rotation of the motor shaft 110, when the motor shaft 110 is provided with uneven parts, the spring 280 can push the standard block 270 to move, the moving distance of the standard block 270 is detected through the infrared range finder 2020, and whether the motor shaft 110 is qualified or not can be detected conveniently.

The lower side of the clamping block 210 is fixedly connected with a connecting plate 310, and the lower side of the connecting plate 310 is fixedly connected with an internal thread block 320; the lower side of the internal thread block 320 is fixedly connected with a sliding block 330, and the inside of the sliding block 330 slides outside the sliding rail 340; the lower sides of the sliding rails 340 are fixedly connected to the inner wall of the placing table 220, and the inner thread blocks 320 are sleeved outside the threaded rods 350; the left side of the threaded rod 350 is connected to the inner wall of the placing table 220 in a switching mode, and the right end of the threaded rod 350 penetrates through the placing table 220 and is fixedly connected with a rotating plate 360; during operation, when motor shafts 110 of different specifications are detected, the position of the clamping block 210 is adjusted according to the size of the motor shaft 110, the rotating plate 360 is screwed during adjustment to drive the threaded rod 350 to rotate, and the internal thread block 320 drives the connecting plate 310 and the clamping block 210 to move under the assistance of the sliding block 330 and the rolling balls 331 through the meshing of the threaded rod 350 and the internal thread block 320.

The outer side of the clamping block 210 is fixedly connected with a rubber pad 211, and one side of the rubber pad 211, which is far away from the clamping block 210, is attached to the motor shaft 110; in operation, the clamping block 210 pushes the rubber pad 211 to press the motor shaft 110.

The right end of the limiting rod 260 is fixedly connected with a sponge pad 290, and the right side of the sponge pad 290 is fixedly connected with the inner wall of the shell 240; in operation, the standard block 270 impacts the foam pad 290, and the standard block 270 is cushioned by the foam pad 290.

The inside of the sliding block 330 is inserted with a ball 331, and the lower side of the ball 331 is attached to the inner wall of the placing table 220; in operation, the slider 330 moves, and is assisted by the rotation of the ball 331.

The outer side of the threaded rod 350 is fixedly connected with a limiting block 351; during operation, the limiting block 351 is attached to the inner thread block 320, so that the inner thread block 320 is limited by the limiting block 351.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, the lower sides of the housings 240 are provided with turning wheels 2030; in operation, the housing 240 is pushed and moved by the steering wheel 2030.

The working principle is that when the motor shaft 110 needs to be detected, the standard block 270 is pulled, the standard block 270 compresses the spring 280 under the limit of the limit rod 260, the motor shaft 110 is placed on the placing table 220, the limit is performed through the clamping block 210 and the rubber pad 211, the standard block 270 is attached to the motor shaft 110 through the elastic potential energy of the spring 280, the motor 250 is started, the roller 230 and the placing table 220 are driven to rotate, the placing table 220 drives the motor shaft 110 to rotate, through the rotation of the motor shaft 110, when the motor shaft 110 is provided with uneven parts, the spring 280 can push the standard block 270 to move, the moving distance of the standard block 270 is detected through the infrared range finder 2020, and whether the motor shaft 110 is qualified or not can be detected conveniently.

When detecting motor shafts 110 of different specifications, the position of the clamping block 210 is adjusted according to the size of the motor shaft 110, the rotating plate 360 is screwed during adjustment to drive the threaded rod 350 to rotate, and the inner thread block 320 drives the connecting plate 310 and the clamping block 210 to move under the assistance of the sliding block 330 and the ball 331 through the meshing of the threaded rod 350 and the inner thread block 320.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. Motor shaft surface roundness testing arrangement, its characterized in that: comprises a motor shaft (110); the outer sides of the motor shafts (110) are provided with clamping blocks (210), and the lower sides of the clamping blocks (210) are arranged on a placing table (220); the lower side of the placing table (220) is fixedly connected with a stick (230), and the lower end of the stick (230) is inserted into the shell (240); the lower side of the stick (230) is fixedly connected with the output end of the motor (250), and the lower side of the motor (250) is fixedly connected with the inner wall of the shell (240); a limiting rod (260) is inserted into the left end of the shell (240), and two sides of the limiting rod (260) are fixedly connected to the inner wall of the shell (240); a standard block (270) is sleeved on the outer side of the right end of the limiting rod (260), and one side, close to the motor shaft (110), of the standard block (270) is attached to the motor shaft (110); the left side of the standard block (270) is fixedly connected with a spring (280), and the spring (280) is sleeved on the outer side of the limiting rod (260); the other end of the spring (280) is fixedly connected to the inner wall of the shell (240), and the upper side of the shell (240) is fixedly connected with a supporting plate (2010); the right side of the supporting plate (2010) is fixedly connected with an infrared range finder (2020).

2. The motor shaft surface roundness testing apparatus according to claim 1, wherein: the lower side of the clamping block (210) is fixedly connected with a connecting plate (310), and the lower side of the connecting plate (310) is fixedly connected with an internal thread block (320); the lower side of the internal thread block (320) is fixedly connected with a sliding block (330), and the inside of the sliding block (330) slides outside the sliding rail (340); the lower sides of the sliding rails (340) are fixedly connected to the inner wall of the placing table (220), and the inner part of the internal thread block (320) is sleeved outside the threaded rod (350); threaded rod (350) left side switching is on placing platform (220) inner wall, and threaded rod (350) right-hand member runs through and places platform (220) and link firmly commentaries on classics board (360).

3. The motor shaft surface roundness testing apparatus according to claim 1, wherein: the outer side of the clamping block (210) is fixedly connected with a rubber pad (211), and one side, far away from the clamping block (210), of the rubber pad (211) is attached to the motor shaft (110).

4. The motor shaft surface roundness testing apparatus according to claim 1, wherein: the right end of the limiting rod (260) is fixedly connected with a sponge pad (290), and the right side of the sponge pad (290) is fixedly connected with the inner wall of the shell (240).

5. The motor shaft surface roundness testing apparatus according to claim 2, wherein: the inside of the sliding block (330) is inserted with a ball (331), and the lower sides of the ball (331) are attached to the inner wall of the placing table (220).

6. The motor shaft surface roundness testing apparatus according to claim 2, wherein: the outer side of the threaded rod (350) is fixedly connected with a limiting block (351).