CN215766863U

CN215766863U - Concentricity detection tool for stator of micro motor

Info

Publication number: CN215766863U
Application number: CN202121322054.1U
Authority: CN
Inventors: 刘弟军; 刘培刚
Original assignee: Hubei Henggao Electronic Co ltd
Current assignee: Hubei Henggao Electronic Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-02-08
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a concentricity detection tool for a micro motor stator, wherein a first rotating shaft is fixedly connected to the output end of a first motor, a first rotating disc is fixedly connected to the outer surface of the first rotating shaft, a positioning mechanism is arranged on the top surface of the first rotating disc, two second bottom boxes are fixedly connected to the outer surface of a detection table, electric telescopic rods are fixedly connected to the interiors of the two second bottom boxes, first sliding blocks are fixedly connected to the output ends of the two electric telescopic rods, sliding rails are connected to the two first sliding blocks in a sliding manner, and a detection mechanism is arranged above the detection table. By arranging the positioning mechanism and the detection mechanism, the motor stator on the positioning shaft can be positioned and clamped, the aim of automatically positioning and clamping the motor stator is fulfilled, and the concentricity detection of the motor stators with different heights or different diameters can be realized.

Description

Concentricity detection tool for stator of micro motor

Technical Field

The utility model relates to the technical field of micro motor detection, in particular to a concentricity detection tool for a micro motor stator.

Background

The motor stator includes stator shell and stator coil, and wherein stator shell appears asymmetric phenomenon easily because the reason of machining precision in the course of working, consequently for guaranteeing stator coil's assembly precision after stator shell processing is accomplished, need carry out the concentricity and detect, ensures can the symmetry when the coil assembly advances stator shell.

At present, most motor stator concentricity detection devices in the market can only detect a motor stator of a certain type, and most of the motor stator concentricity detection devices also need to manually position a stator body, so that the purchasing cost and the manpower are wasted during detection;

for example, patent with publication number CN210321641U provides a tool for detecting concentricity of iron core of motor stator, which is used for detecting concentricity of workpiece by matching inner hole of workpiece with axial center column and rubbing outer wall of workpiece during rotation of contact zone, and still has the problems of fixed detection model and incapability of automatically positioning stator body; therefore, the concentricity detection tool for the stator of the micro motor is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to make up the defects of the prior art and provides a concentricity detection tool for a stator of a micro motor.

In order to achieve the purpose, the utility model provides the following technical scheme:

a concentricity detection tool of a micro motor stator comprises a detection table, wherein a first bottom box is fixedly connected to the outer surface of the detection table, a first motor is fixedly connected to the inner bottom wall of the first bottom box, a first rotating shaft is fixedly connected to the output end of the first motor, a first rotating disc is fixedly connected to the outer surface of the first rotating shaft, four first supporting shafts are fixedly connected to the top surface of the first rotating disc, a second rotating disc is fixedly connected to one end, away from the first rotating disc, of the four first supporting shafts, a sliding groove is formed in the second rotating disc, a positioning mechanism is arranged on the top surface of the first rotating disc, two second bottom boxes are fixedly connected to the outer surface of the detection table, electric telescopic rods are fixedly connected to the insides of the two second bottom boxes, first sliding blocks are fixedly connected to the output ends of the two electric telescopic rods, and sliding rails are slidably connected to the two first sliding blocks, a detection mechanism is arranged above the detection table.

Furthermore, the positioning mechanism comprises a second motor, and the output end of the second motor is fixedly connected with a second rotating shaft.

Furthermore, the outer surface of the second rotating shaft is fixedly connected with two first connecting rods, and one end, far away from the second motor, of the second rotating shaft penetrates through the two first connecting rods and extends to the outer surfaces of the two first connecting rods.

Furthermore, two equal fixedly connected with third axis of rotation in both ends of first connecting rod, four the third axis of rotation all rotates and is connected with the second connecting rod.

Furthermore, two of the ends of the second connecting rods, which are far away from the third rotating shaft, are fixedly connected with first supporting blocks, two of the ends of the first supporting blocks, which are far away from the second connecting rods, are fixedly connected with second supporting blocks, and the other two of the second connecting rods, which are far away from the third rotating shaft), are fixedly connected with second supporting blocks.

Furthermore, the outer surfaces of the four second supporting blocks are fixedly connected with second sliding blocks, the second sliding blocks are connected with sliding grooves formed in the second rotary table in a sliding mode, the outer surfaces of the four second sliding blocks are fixedly connected with positioning plates, and the outer surface of the second rotary table is fixedly connected with a positioning shaft.

Furthermore, the detection mechanism comprises a second support shaft, two ends of the second support shaft are fixedly connected with the two first sliding blocks respectively, and a positioning block is connected to the outer surface of the second support shaft in a sliding manner.

Furthermore, the bottom end of the positioning block is fixedly connected with a dial indicator, and the top end of the positioning block is in threaded connection with a screw.

Compared with the prior art, this micro motor stator's concentricity detects frock possesses following beneficial effect:

according to the utility model, the positioning mechanism and the detection mechanism are arranged, the second motor drives the first connecting rod to rotate, the first connecting rod drives the second connecting rod to move, the second connecting rod can drive the second sliding block and the positioning plate to slide towards the interior of the second rotary table along the sliding groove, the motor stators on the positioning shafts can be positioned and clamped, the purpose of automatically positioning and clamping the motor stators is realized, the electric telescopic rod drives the positioning block and the dial indicator to move up and down, the purpose of performing concentricity detection on the motor stators with different heights can be realized, and the purpose of performing concentricity detection on the motor stators with different diameters can be realized by sliding the positioning block and the dial indicator along the second supporting shaft.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a perspective view of the first hidden bottom case of the present invention;

FIG. 3 is a diagram of a positioning mechanism of the present invention;

FIG. 4 is a side view of the first bottom case of the present invention hidden;

FIG. 5 is a top view of the present invention.

In the figure: 1 detection table, 2 first under casing, 3 first motor, 4 first axis of rotation, 5 first carousel, 6 first supporting axles, 7 positioning mechanism, 701 second motor, 702 second axis of rotation, 703 first connecting rod, 704 third axis of rotation, 705 second connecting rod, 706 first supporting block, 707 second supporting block, 708 second slider, 709 positioning axle, 710 locating plate, 8 second under casing, 9 detection mechanism, 901 second supporting axle, 902 locating piece, 903 amesdial, 904 screw, 10 electric telescopic handle, 11 first slider, 12 second carousel, 13 spout, 14 slide rail.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

The concentricity of micromotor stator that this embodiment provided detects frock for carry out automatic centre gripping location to motor stator when carrying out the concentricity to micromotor and detecting, reach the artifical work efficiency's that increases purpose of practicing thrift, carry out concentricity through the motor stator that can be to different models and detect, can reach the purpose that reduces purchasing cost.

Referring to fig. 1, the concentricity detection tool for a micro motor stator comprises a detection table 1, wherein a first bottom case 2 is fixedly connected to the outer surface of the detection table 1, a first motor 3 is fixedly connected to the inner bottom wall of the first bottom case 2, one end, away from the first motor 3, of the first bottom case 2 is fixedly connected to the bottom end of the detection table 1, an output end of the first motor 3 is fixedly connected to a first rotating shaft 4, a first rotating disc 5 is fixedly connected to the outer surface of the first rotating shaft 4, one end, away from the first motor 3, of the first rotating shaft 4 penetrates through the first rotating disc 5 and extends to the outer surface of the first rotating disc 5, and the first motor 3 drives the first rotating shaft 4 to rotate so as to drive the first rotating disc 5 to rotate;

four first supporting shafts 6 are fixedly connected to the top surface of the first rotating disc 5, one end of each first supporting shaft 6, far away from the first rotating disc 5, is fixedly connected with a second rotating disc 12, and a sliding groove 13 is formed in the second rotating disc 12.

In this embodiment, through the interior diapire fixed connection with the surface of first motor 3 and first under casing 2, not only can play the fixed action to first motor 3, can also put the device of 1 bottoms of detection table inside first under casing 2, reach the effect that makes the overall device more pleasing to the eye.

The first rotating disk 5 and the second rotating disk 12 are the same in size, and four first supporting shafts 6 are distributed in a circumferential array between the first rotating disk 5 and the second rotating disk 12.

In this embodiment, the first rotating shaft 4 drives the first rotating disc 5 to rotate, and further drives the four first supporting shafts 6 and the second rotating disc 12 to rotate.

Referring to fig. 1, 2 and 3, a positioning mechanism 7 is disposed on the top surface of the first rotating disk 5, the positioning mechanism 7 includes a second motor 701, an output end of the second motor 701 is fixedly connected with a second rotating shaft 702, and a bottom end of the second motor 701 is fixedly connected with a top end of the first rotating disk 5. The second rotating shaft 702 can be driven to rotate by the rotation of the second motor 701.

Referring to fig. 2 and 3, two first links 703 are fixedly connected to an outer surface of the second rotating shaft 702, one end of the second rotating shaft 702, which is far away from the second motor 701, penetrates through the two first links 703 and extends to the outer surfaces of the two first links 703, and the two first links 703 are perpendicular to each other. The second rotating shaft 702 rotates to drive the two first links 703 to rotate.

Referring to fig. 2 and 3, in the present embodiment, the two ends of the two first links 703 are fixedly connected with third rotating shafts 704, and the four third rotating shafts 704 are rotatably connected with second links 705. The third rotation shaft 704 penetrates the first link 703 and the second link 705 and extends to an outer surface of the second link 705. The two first links 703 can drive the four third rotating shafts 704 to rotate, and further drive the four second links 705 to move.

Referring to fig. 2 and 3, in the present embodiment, first supporting blocks 706 are fixedly connected to ends of two of the second links 705 away from the third rotating shaft 704, second supporting blocks 707 are fixedly connected to ends of two of the first supporting blocks 706 away from the second links 705, and second supporting blocks 707 are fixedly connected to ends of the other two of the second links 705 away from the third rotating shaft 704. Wherein the length of the first support block 706 is equal to the width of the first link 703 plus the width of the second link 705.

In this embodiment, the four second connecting rods 705 move to further drive the four second supporting blocks 707 to move, and one ends of the four second supporting blocks 707 far away from the second connecting rods 705 are located on the same horizontal line by fixedly connecting the first supporting blocks 706 to one ends of two of the second connecting rods 705 and fixedly connecting the outer surfaces of the two first supporting blocks 706 to the outer surfaces of the second supporting blocks 707.

Referring to fig. 1, 2, and 3, in the present embodiment, the outer surfaces of the four second supporting blocks 707 are fixedly connected to second sliding blocks 708, the second sliding blocks 708 are slidably connected to sliding grooves 13 formed in the second rotating disk 12, the outer surfaces of the four second sliding blocks 708 are fixedly connected to positioning plates 710, and the outer surface of the second rotating disk 12 is fixedly connected to positioning shafts 709.

Here, the second rotary table 12 is located at the same center as the positioning shaft 709, and the bottom surface of the positioning plate 710 contacts the top surface of the second rotary table 12.

In this embodiment, the four second supporting blocks 707 move to drive the second sliding block 708 and the positioning plate 710 to slide along the sliding slot 13, and the four positioning plates 710 slide towards the inside of the second turntable 12 at the same time, so as to position and clamp different motor stators.

Detect two second under casings 8 of outer fixed surface of table 1, the equal fixedly connected with electric telescopic handle 10 in inside of two second under casings 8, the equal fixedly connected with first slider 11 of output of two electric telescopic handle 10, the equal sliding connection of two first sliders 11 has slide rail 14. The two electric telescopic rods 10 are respectively located inside the two slide rails 14, and the first sliding block 11 can slide up and down along the slide rails 14 through the lifting of the two electric telescopic rods 10.

A detection mechanism 9 is arranged above the detection table 1, the detection mechanism 9 includes a second support shaft 901, two ends of the second support shaft 901 are respectively fixedly connected with the two first sliders 11, and a positioning block 902 is slidably connected to the outer surface of the second support shaft 901. The length of the second support shaft 901 is equal to the length of the detection table 1 minus the width of the two slide rails 14. The electric telescopic rod 10 drives the first sliding block 11 to slide up and down, and then the second supporting shaft 901 and the positioning block 902 can be driven to move up and down.

Referring to fig. 1 and 2, in the present embodiment, a dial indicator 903 is fixedly connected to a bottom end of the positioning block 902, and a screw 904 is threadedly connected to a top end of the positioning block 902. The length of the screw 904 is greater than the distance from the top end of the positioning block 902 to the outer surface of the second support shaft 901.

The dial gauge 903 is moved up and down by moving the positioning block 902 up and down, and the left and right positions of the positioning block 902 and the dial gauge 903 are moved or fixed by loosening or tightening the screw 904.

The working principle is as follows:

when the concentricity of the motor stator is detected, firstly, the motor stator is placed on the top surface of the second rotary table 12, the positioning shaft 709 passes through the interior of the motor stator, the second motor 701 is started, the second motor 701 rotates to drive the second rotary shaft 702 to rotate, the second rotary shaft 702 rotates to drive the two first connecting rods 703 to rotate, further, the four second connecting rods 705 drive the second sliding block 708 and the positioning plate 710 to slide towards the interior of the second rotary table 12 along the sliding chute 13, when the four positioning plates 710 are all contacted with the outer surface of the motor stator, the second motor 701 is closed, then the electric telescopic rod 10 is started, the positioning block 902 and the dial indicator 903 are driven by the electric telescopic rod 10 to move downwards, when the positioning block 902 drives the dial indicator 903 to move to the interior of the motor stator, the electric telescopic rod 10 is closed, the positioning block 902 is manually moved leftwards and rightwards, when the positioning block 902 drives the dial indicator 903 to move to be contacted with the inner wall of the motor stator, the screw 904 at the top end of the positioning block 902 is locked, finally, the first motor 3 is started, the first motor 3 rotates to drive the first rotating disc 5 and the second rotating disc 12 to rotate, and further the motor stator at the top end of the second rotating disc 12 can be driven to rotate, and the concentricity of the motor stator can be obtained by observing the numerical value of the dial indicator 903 at the moment.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a micro motor stator's concentricity detects frock, includes and detects table (1), its characterized in that: the outer surface of the detection table (1) is fixedly connected with a first bottom box (2), the inner bottom wall of the first bottom box (2) is fixedly connected with a first motor (3), the output end of the first motor (3) is fixedly connected with a first rotating shaft (4), the outer surface of the first rotating shaft (4) is fixedly connected with a first rotating disc (5), the top surface of the first rotating disc (5) is fixedly connected with four first supporting shafts (6), one end, far away from the first rotating disc (5), of the four first supporting shafts (6) is fixedly connected with a second rotating disc (12), a sliding groove (13) is formed in the second rotating disc (12), the top surface of the first rotating disc (5) is provided with a positioning mechanism (7), the outer surface of the detection table (1) is fixedly connected with two second bottom boxes (8), and the inner parts of the two second bottom boxes (8) are both fixedly connected with an electric telescopic rod (10), two equal fixedly connected with first slider (11) of output of electric telescopic handle (10), two equal sliding connection of first slider (11) has slide rail (14), the top of detecting table (1) is provided with detection mechanism (9).

2. The concentricity detection tool of the micro motor stator according to claim 1, wherein: the positioning mechanism (7) comprises a second motor (701), and the output end of the second motor (701) is fixedly connected with a second rotating shaft (702).

3. The concentricity detection tool for a stator of a micro motor according to claim 2, wherein: two first connecting rods (703) are fixedly connected to the outer surface of the second rotating shaft (702), and one end, far away from the second motor (701), of the second rotating shaft (702) penetrates through the two first connecting rods (703) and extends to the outer surfaces of the two first connecting rods (703).

4. The concentricity detection tool of the micro motor stator according to claim 3, wherein: two ends of the two first connecting rods (703) are fixedly connected with third rotating shafts (704), and the four third rotating shafts (704) are rotatably connected with second connecting rods (705).

5. The micro motor stator concentricity detection tool according to claim 4, wherein: the two ends, far away from the third rotating shaft (704), of the second connecting rods (705) are fixedly connected with first supporting blocks (706), the ends, far away from the second connecting rods (705), of the two first supporting blocks (706) are fixedly connected with second supporting blocks (707), and the ends, far away from the third rotating shaft (704), of the other two second connecting rods (705) are fixedly connected with second supporting blocks (707).

6. The micro motor stator concentricity detection tool according to claim 5, wherein: the outer surfaces of the four second supporting blocks (707) are fixedly connected with second sliding blocks (708), the second sliding blocks (708) are in sliding connection with sliding grooves (13) formed in the second rotary table (12), the outer surfaces of the four second sliding blocks (708) are fixedly connected with positioning plates (710), and the outer surface of the second rotary table (12) is fixedly connected with positioning shafts (709).

7. The concentricity detection tool of the micro motor stator according to claim 1, wherein: the detection mechanism (9) comprises a second support shaft (901), two ends of the second support shaft (901) are fixedly connected with the two first sliders (11) respectively, and a positioning block (902) is connected to the outer surface of the second support shaft (901) in a sliding mode.

8. The concentricity detection tool of the micro motor stator according to claim 7, wherein: the bottom end of the positioning block (902) is fixedly connected with a dial indicator (903), and the top end of the positioning block (902) is in threaded connection with a screw (904).