CN106767605A - A detection device for a motor shaft - Google Patents

Abstract

The invention relates to the technical field of motor production detection, and particularly discloses a detection device for a motor shaft, which comprises a workbench, an inductor, a bracket, a clamp, a first control assembly and a second control assembly, wherein the inductor is arranged on the workbench, and the bracket is used for placing a motor; the support sets up in the workstation, and anchor clamps set up in first control assembly and are close to the one end of support, and first control assembly sets up in the workstation, and second control assembly sets up in the workstation and first control assembly's the other end is connected, beneficial effect: the motor shaft is clamped through the second control assembly, the motor shaft is moved through the first control assembly, the qualification of the motor is judged and read through the induction numerical values of different positions of the motor shaft through the inductor, a mechanical detection mode is realized, the detection precision and the detection efficiency are improved, the incomplete detection phenomenon caused by the low efficiency of manual detection is improved, and the production efficiency is further improved and the production cost is reduced.

Description

A detection device for a motor shaft

technical field

The invention relates to the technical field of motor production detection, and in particular discloses a detection device for a motor shaft.

Background technique

In the current motor production technology, manufacturers mostly use assembly line production operations to realize semi-automatic motor production. During the motor production process, the axial clearance detection of the motor has become a very important process. At present, the axial clearance detection method of the traditional motor adopts Manually pull the motor shaft to complete the detection requirements, but the detection method of axial pulling cannot carry out 100% accurate detection of the axial gap of the motor, there is a hidden danger of defective products flowing out, and the reliability of manual detection is low, and the production efficiency is also low. It is the bottleneck in the motor production process.

Contents of the invention

In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the present invention is to provide a motor shaft detection device, which can realize the 100% detection requirement of the motor through mechanical detection, reduce labor input, and improve production efficiency.

In order to achieve the above object, a motor shaft detection device of the present invention includes a workbench and an inductor installed on the workbench, and also includes a bracket for placing the motor, a clamp for clamping the motor shaft, and a a first control assembly for shaft movement and a second control assembly for adjusting clamping force;

The bracket is set on the workbench, the clamp is set on the first control assembly and close to one end of the support, the first control assembly is connected to the workbench, the second control assembly is set on the workbench and connected to the first The other end of the control assembly is connected.

Further, the bracket includes a base set on the workbench, a motor fixing piece set on the base, and a stopper set on the base close to the side of the fixture.

Further, the section of the motor fixing member is V-shaped.

Further, the clamp includes a first clip and a second clip, the first clip is connected to the first control assembly, and the second clip is connected to the first control assembly.

Further, the first control assembly includes a mounting part arranged on the workbench, a first connecting part slidably connected to the mounting part, a first elastic part arranged on the mounting part, and an adjustment ring arranged in the middle of the first connecting part.

Further, both ends of the first connecting piece protrude from both ends of the mounting piece, one end of the first elastic piece is connected to the mounting piece, the other end of the first elastic piece is connected to the adjustment ring, the One end of the first connecting piece is connected to the clamp, and the other end of the first connecting piece is connected to the second control assembly.

Further, the second control assembly includes an upper fastener, a lower fastener and a second elastic member, one end of the second elastic member is connected to the upper fastener, and the other end of the second elastic member is connected to the lower fastener. fastener.

Further, it also includes an upper guide wheel arranged at one end of the upper fastener, a lower guide wheel arranged at one end of the lower fastener, a tapered shaft abutting against the upper guide wheel and the lower guide wheel respectively, and driving the tapered shaft to move drive source.

Further, it also includes a limiting assembly for limiting the movement range of the first connecting member, the limiting assembly includes a first limiting member, a push rod arranged on the first limiting member and a The third elastic member that resets the first stopper, the first stopper is set on the workbench, one end of the push rod is fixed to the first stopper, and the other end of the pushrod is close to the first connecting part, so One end of the third elastic member is disposed on the workbench, and the other end of the third elastic member is connected to the first limiting member.

Further, it also includes a second limiter for limiting the range of movement of the first limiter, and the second limiter is arranged on the workbench.

Beneficial effects of the present invention: the motor shaft is clamped by the second control assembly, the motor shaft is moved by the first control assembly, and the eligibility of the motor is judged by the sensor at different positions of the motor shaft to realize the mechanical detection method and improve the detection Accuracy and detection efficiency, improving the low efficiency of manual detection and incomplete detection, further improving production efficiency and reducing production costs.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the schematic diagram of structural part of the present invention;

Fig. 3 is a schematic exploded view of the partial structure of the bracket of the present invention;

Fig. 4 is the explosion schematic diagram of clamp structure of the present invention;

Fig. 5 is a schematic structural diagram of the first control assembly of the present invention;

Fig. 6 is a schematic structural diagram of the clamping principle of the present invention;

Fig. 7 is an exploded schematic diagram of the limiting structure of the present invention.

Reference signs include:

1—Workbench 2—Inductor 3—Bracket

31—Base 32—Motor Fixing Part 33—Block

4—fixture 41—the first clamping piece 411—the first circular hole

42—second clip 421—second round hole 422—arc groove

5—first control assembly 51—mounting piece 52—first connecting piece

521—first shaft 522—second shaft 53—first elastic member

54—Adjustment Ring 6—Second Control Assembly 61—Upper Fastener

611—upper guide wheel 62—lower fastener 621—lower guide wheel

63—second elastic member 64—tapered shaft 65—tapered shaft

7—Limiting assembly 71—First limiting member 711—Jump

72—Second limiter 73—Third elastic member 8—Motor

81—motor shaft.

detailed description

In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the embodiments and accompanying drawings, and the contents mentioned in the implementation modes are not intended to limit the present invention.

Please refer to Figure 1 and Figure 2, the motor shaft detection device of the present invention includes a workbench 1 and an inductor 2 installed on the workbench 1, and also includes a bracket 3 for placing the motor and a clamp for clamping the motor shaft 4. The first control assembly 5 for the movement of the traction motor shaft and the second control assembly 6 for adjusting the clamping force of the clamp 4;

The bracket 3 is arranged on the workbench 1, the clamp 4 is arranged on the first control assembly 5 and close to one end of the support 3, the first control assembly 5 is connected to the workbench 1, and the second control assembly 6 is arranged on the The workbench 1 is also connected with the other end of the first control assembly 5 .

In this embodiment, specifically, the motor 8 is fixed on the bracket 3, the motor shaft 81 is placed in the jaw of the fixture 4, and the sensor 2 first senses an initial value, which is the initial reference value of the position of the motor shaft 81, and then Under the action of the second control assembly 6, the gripper 4 clamps the motor shaft 81, and then the first control assembly 5 drives the gripper 4 to move away from the support 3. At the same time, the gripper 4 drives the motor shaft 81 to move. After the movement stops, the induction The device 2 senses the position value of the motor shaft 81 after the second movement, and the moving distance of the motor shaft 81 is known through the difference between the second value and the initial value, and the detection of the motor 8 is completed.

The motor shaft detection device of the present invention clamps the motor shaft 81 through the second control assembly 6, drives the motor shaft 81 to move through the first control assembly 5, and judges the induction value of the motor shaft 81 at different positions through the sensor 2. Qualification, realize the mechanical detection method, improve the detection accuracy and detection efficiency, improve the low efficiency of manual detection and the phenomenon of incomplete detection, further improve production efficiency and reduce production costs.

Please refer to FIG. 3 , the bracket 3 includes a base 31 disposed on the workbench 1 , a motor fixing member 32 disposed on the base 31 , and a stopper 33 disposed on the base 31 near the side of the fixture 4 .

In this embodiment, the bracket 3 includes a base 31 fixedly connected to the workbench 1, a motor fixing member 32 installed on the upper surface of the base 31, a stopper 33 fixedly connected to the base 31, and the stopper 33 installed on the bottom of the base 31. side end face, and close to fixture 4.

The section of the motor fixing member 32 is V-shaped.

Specifically, the motor fixing part 32 is designed as V-shaped, which can place motors of different specifications, and realizes the detection purpose of a device to detect motors of different specifications. pinched.

Please refer to FIG. 4, the clamp 4 includes a first clamp 41 and a second clamp 42, the first clamp 41 is connected to the first control assembly 5, and the second clamp 42 is connected to the The first control unit 5.

In this embodiment, the clamp 4 includes a first clamp 41 and a second clamp 42. Specifically, an arc-shaped groove 422 matching the arc of the outer diameter of the motor is provided at the end of the second clamp 42 clamping the motor shaft 81. , so that the motor shaft 81 is stuck in the arc-shaped groove 422. When testing the motor shaft 81 of different specifications, the second clamping piece 42 with different specifications of the arc-shaped groove 422 can be replaced to meet different testing requirements and improve the flexibility of the testing device. sex.

Please refer to 5, the first control assembly 5 includes a mounting part 51 arranged on the workbench 1, a first connecting part 52 slidingly connected to the mounting part 51, a first elastic part 53 arranged on the mounting part 51 and a first connecting part 53 arranged on the first connecting part. The adjustment ring 54 in the middle part of the piece 52, the two ends of the first connecting piece 52 protrude from the two ends of the mounting piece 51, one end of the first elastic piece 53 is connected to the mounting piece 51, and the first elastic piece The other end of the first connecting member 53 is connected to the adjustment ring 54 , one end of the first connecting member 52 is connected to the clamp 4 , and the other end of the first connecting member 52 is connected to the second control assembly 6 .

In this embodiment, the first control assembly 5 includes a mounting part 51 fixed on the workbench 1. The mounting part 51 is U-shaped, and the first connecting part 52 is a circular shaft, which runs through and is slidably connected to the mounting part. 51, both ends of the circular shaft protrude from both sides of the mounting part 51, and one end of the circular shaft is respectively connected to the first clip 41 and the second clip 42, and the first clip 41 is provided with The first circular hole 411 is provided with a clearance fit with the circular shaft, and the second clip 42 is provided with a second circular hole 421 with a clearance fit with the circular shaft.

Specifically , a first elastic member 53 is arranged inside the U-shaped mounting member 51. In this embodiment, the first elastic member 53 adopts a spring, and the spring is sleeved on the first connecting member 52, and one end of the spring is fixed On one end of the mounting member 51 , the other end of the spring is fixedly connected to the adjustment ring 54 .

Please refer to FIG. 6, the second control assembly 6 includes an upper fastener 61, a lower fastener 62 and a second elastic member 63, one end of the second elastic member 63 is connected to the upper fastener 61, and the second elastic member 63 is connected to the upper fastener 61. The other ends of the two elastic members 63 are connected to the lower fastening member 62 .

In this embodiment, both the upper fastener 61 and the lower fastener 62 are connected to the first connecting member 52. Specifically, the first connecting member 52 is provided with a first shaft 521 and a shaft disposed inside the first shaft 521. The second shaft 522, the two ends of the first shaft 521 are respectively connected to the first clip 41 and the upper fastener 61, and the two ends of the second shaft 522 are respectively connected to the second clip 42 and the lower fastener 62 , through the rotation of the upper fastener 61, the first shaft 521 is driven to rotate, and then the first clamp 41 rotates at the same time. Similarly, the rotation of the lower fastener 62 drives the rotation of the second clamp 42, thereby realizing the 4 clamps The size of the mouth changes to realize the function of clamping and loosening the motor shaft 81.

Please refer to FIG. 7 , it also includes an upper guide wheel 611 arranged at one end of the upper fastener 61, a lower guide wheel 621 arranged at one end of the lower fastener 62, and a cone abutting against the upper guide wheel 611 and the lower guide wheel 621 respectively. Conical shaft 64 and the drive source 65 that drives the tapered shaft 64 to move.

In this implementation, an upper guide wheel 611 is installed on one end of the upper fastener 61, and a lower guide wheel 621 is installed on one end of the lower fastener 62, and a tapered shaft 64 is arranged between the upper guide wheel 611 and the lower guide wheel 621, The tapered shaft 64 abuts against the upper guide wheel 611 and the lower guide wheel 621. Specifically, the driving source 65 adopts a cylinder, which drives the tapered shaft 64 to move, and the movement of the tapered shaft 64 causes the upper guide wheel 611 to contact the lower guide wheel 621. The change of the center distance of the guide wheel 621, when the center distance becomes smaller, the upper fastener 61 drives the first shaft 521 to rotate, and at the same time the first clamp 41 rotates, the lower fastener 62 drives the second shaft 522 to rotate, and at the same time the second clamp Part 42 rotates to realize the change of the included angle of clamp 4 and realize the clamping and loosening of motor shaft 81.

Please refer to FIG. 7 , it also includes a limiting assembly 7 for limiting the range of movement of the first connecting member 52, the limiting assembly 7 includes a first limiting member 71, a push rod arranged on the first limiting member 71 711 and the third elastic member 73 for the reset of the first limiting member 71, the first limiting member 71 is arranged on the workbench 1, and one end of the push rod 711 is fixed to the first limiting member 71, the The other end of the push rod 711 is close to the first connecting member 52, one end of the third elastic member 73 is arranged on the workbench 1, and the other end of the third elastic member 73 is connected to the first limiting member 71 .

Specifically, one end of the first limiting member 71 in this embodiment is connected to the workbench 1 through a connecting shaft, and can rotate around the connecting shaft. The third elastic member 73 adopts a spring. In the initial state, the third elastic member 73 Under the action of the spring, the top column 711 arranged on the first limiting member 71 bears against the second connecting member 52, and the first elastic member 53 is in a compressed state. When the driving source 65 pulls the tapered shaft 64 to move, the tapered shaft When one end of 64 fits with the first limiting member 71, the tapered shaft 64 drives the first limiting member 71 to move, causing the first limiting member 71 to rotate around the connecting shaft, and is arranged on the top of the first limiting member 71. The column 711 rotates around the connecting shaft at the same time, and when the top column 711 is separated from the first connecting member 52, under the action of the elastic force of the first elastic member 53, the first connecting member 52 moves to realize the movement of the motor shaft 81 driven by the first control component 5 .

It also includes a second limiting member 72 for limiting the range of movement of the first limiting member 71 , and the second limiting member 72 is arranged on the workbench 1 .

When the driving source 65 stops pulling the tapered shaft 64, under the elastic force of the third elastic member 73, the first limiting member 71 resets. In order to limit the rotation angle of the first limiting member 71 from being too large, a second The second limiting member 72 further ensures that the first limiting member 71 quickly returns to the initial state.

The above content is only a preferred embodiment of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. limits.

Claims (10)

1. A detection device for a motor shaft, comprising a workbench (1) and an inductor (2) installed on the workbench (1), characterized in that it also includes a bracket (3) for placing the motor, a clamp for The clamp (4) holding the motor shaft, the first control component (5) for the movement of the traction motor shaft and the second control component (6) for adjusting the clamping force of the clamp (4); The bracket (3) is set on the workbench (1), the fixture (4) is set on the first control component (5) and close to one end of the bracket (3), and the first control component (5) is set on the working platform (1), the second control component (6) is arranged on the workbench (1) and connected to the other end of the first control component (5). 2. The motor shaft detection device according to claim 1, characterized in that: the bracket (3) includes a base (31) set on the workbench (1), a motor fixing member ( 32) and a stopper (33) arranged on the base (31) and close to the side of the clamp (4). 3. The detection device for a motor shaft according to claim 2, characterized in that the section of the motor fixing member (32) is V-shaped. 4. The detection device of the motor shaft according to claim 1, characterized in that: the clamp (4) includes a first clamp (41) and a second clamp (42), the first clamp (41 ) is connected to the first control assembly (5), and the second clip (42) is connected to the first control assembly (5). 5. The detection device of the motor shaft according to claim 1, characterized in that: the first control assembly (5) includes a mounting part (51) arranged on the workbench (1), and is slidably connected to the mounting part (51) ) the first connecting piece (52), the first elastic piece (53) arranged on the mounting piece (51), and the adjusting ring (54) arranged in the middle of the first connecting piece (52). 6. The motor shaft detection device according to claim 5, characterized in that: both ends of the first connecting piece (52) protrude from both ends of the mounting piece (51), and the first elastic piece One end of (53) is connected to the mounting piece (51), the other end of the first elastic piece (53) is connected to the adjustment ring (54), and one end of the first connecting piece (52) is connected to the clamp (4 ), the other end of the first connecting piece (52) is connected to the second control assembly (6). 7. The motor shaft detection device according to claim 1, characterized in that: the second control assembly (6) includes an upper fastener (61), a lower fastener (62) and a second elastic member ( 63), one end of the second elastic member (63) is connected to the upper fastener (61), and the other end of the second elastic member (63) is connected to the lower fastener (62). 8. The detection device of the motor shaft according to claim 7, characterized in that it further comprises an upper guide wheel (611) arranged at one end of the upper fastener (61), and an upper guide wheel (611) arranged at one end of the lower fastener (62). The lower guide wheel (621), the tapered shaft (64) abutting against the upper guide wheel (611) and the lower guide wheel (621) respectively, and the driving source (65) for driving the movement of the tapered shaft (64). 9. The motor shaft detection device according to claim 5, characterized in that it further comprises a limiting assembly (7) for limiting the movement range of the first connecting member (52), the limiting assembly (7) comprising The first limiting member (71), the ejector rod (711) arranged on the first limiting member (71), and the third elastic member (73) used for resetting the first limiting member (71), the The first stopper (71) is set on the workbench (1), one end of the push rod (711) is fixed to the first stopper (71), and the other end of the push rod (711) is close to the first A connecting piece (52), one end of the third elastic piece (73) is arranged on the workbench (1), and the other end of the third elastic piece (73) is connected to the first limiting piece (71) . 10. The motor shaft detection device according to claim 9, characterized in that it further comprises a second limiter (72) for limiting the range of movement of the first limiter (71), the second limiter Parts (72) are arranged on the workbench (1).