Vibration detection mechanism
By designing a pendulum detection mechanism including an upper positioning assembly, a lower positioning rotation assembly and a GT sensor, the problem of low detection accuracy in the prior art is solved, and stable positioning and high-precision detection of motor parts are achieved.
Patent Information
- Application Number
- CN202421365569.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The existing vibration pendulum detection mechanism does not have high enough detection accuracy for motor parts, resulting in a small deviation and shaking of the product during the inspection process, affecting the detection results.
A vibration and pendulum detection mechanism is designed, including a workbench, a material feeding device, a handling device and a vibration and pendulum detection device. The vibrating pendulum detection device supports and positions the product through the upper positioning assembly and the lower positioning rotation assembly, and uses the GT sensor to detect whether there is a slant during the rotation of the product.
It realizes stable positioning and high-precision detection of motor components, reduces biased shaking during the detection process, and improves detection accuracy.
Smart Images
Figure CN222761852U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of motor processing equipment, in particular to a vibration detection mechanism. Background Art
[0002] During the production process of the motor, each component needs to be assembled and tested. After the iron core, magnetic sheet and iron shell are assembled, a vibration test is required to detect whether there are any swing deviation defects during its operation. The previous vibration detection mechanism has not had high enough detection accuracy for the product. If the product is positioned only by locating pins, etc., the product will still have a small degree of offset shaking, which will affect the detection accuracy, so it needs to be improved. Utility Model Content
[0003] The purpose of the utility model is to provide a vibration detection mechanism to solve the problems mentioned in the background technology.
[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0005] A sway detection mechanism comprises a workbench and a feeding device, a handling device and a sway detection device installed on the workbench; the feeding device is arranged at the rear side of the sway detection device for transporting products; the handling device is arranged beside the feeding device for transporting products of the feeding device to the sway detection device; the sway detection device comprises a first stand, an upper positioning assembly, a lower positioning rotation assembly and a detection sensor assembly; the first stand is fixed on the workbench; the upper positioning assembly comprises a first Z-direction cylinder and an upper ejector rod; the first Z-direction cylinder is fixed to the upper part of the first stand and the power output end is connected to the upper ejector rod; the lower end of the upper ejector rod is provided with a first cone head; the lower positioning rotation assembly comprises a mounting seat, a lower ejector rod, a positioning seat and A rotation drive device; the mounting seat is fixed at the lower part of the first vertical frame; the lower push rod is coaxially arranged with the upper push rod and is rotatably connected to the mounting seat; a second cone head is provided at the upper end of the lower push rod; a mounting portion protruding outward is provided at the upper part of the lower push rod; the positioning seat is fixed on the mounting portion; a first air avoidance hole is provided at the center of the positioning seat; a first positioning pin is provided above the positioning seat; the upper end of the lower push rod extends into the lower part of the first air avoidance hole; the rotation drive device is installed on the mounting seat and the power output end is connected to the lower push rod; the detection sensor assembly is arranged beside the first vertical frame, including a mounting frame and at least one GT sensor installed on the mounting frame; the GT sensor is horizontally arranged and the detection end faces the axial direction of the lower push rod.
[0006] Further description of the utility model, the vibration detection device also includes a vibration detection alignment fixture; the vibration detection alignment fixture includes an alignment cone, an upper shaft portion formed above the alignment cone and a lower shaft portion formed below the alignment cone; the bottom of the alignment cone is provided with a positioning pin hole that cooperates with the first positioning pin; the upper end of the upper shaft portion is provided with an upper positioning hole; the lower end of the lower shaft portion is provided with a conical groove.
[0007] Further description of the utility model, the upper positioning assembly also includes an elastic connection assembly; the elastic connection assembly includes a connecting plate, a sliding seat, a first spring and a second spring; the connecting plate is fixed to the power output end of the first Z-direction cylinder; a first spring groove is provided at the bottom of the connecting plate; the sliding seat is located below the connecting plate and is connected to the first stand by sliding up and down through a slide rail pair; a second spring groove corresponding to the first spring groove is provided above the sliding seat; the first spring is installed between the first spring groove and the second spring groove; the upper push rod is rotatably connected to the sliding seat through a bearing and the upper end passes through the connecting plate; the upper end of the upper push rod is installed with a first limiting nut, the middle part is installed with a second limiting nut, and the lower part is provided with a limiting baffle; the first limiting nut touches the top of the connecting plate; the second limiting nut is located above the sliding seat and touches the top of the bearing; the limiting baffle is located below the sliding seat and touches the bottom of the bearing; the second spring is sleeved on the upper push rod and its two ends respectively touch the connecting plate and the second limiting nut.
[0008] Further description of the utility model: the rotary drive device adopts a motor; the power output end of the rotary drive device is connected to the lower push rod through a coupling.
[0009] To further describe the present invention, two GT sensors are provided, which are divided into a first GT sensor and a second GT sensor; the second GT sensor is installed on the mounting frame through a second Z-direction cylinder.
[0010] Further description of the utility model, the feeding device includes a Y-axis linear module, a sliding seat and a carrier; the Y-axis linear module is fixed on the workbench and the power output end is connected to the sliding seat; the carrier is fixed on the sliding seat; the carrier is provided with a second air avoidance hole and second positioning pins located on the left and right sides of the second air avoidance hole.
[0011] Further description of the utility model, the transport device includes a second frame, a Y-axis cylinder, a third Z-axis cylinder, a clamp cylinder and a chuck; the second frame is fixed on the workbench and is located on the left side of the front of the Y-axis linear module; the Y-axis cylinder is fixed on the second frame and the power output end is connected to the third Z-axis cylinder; the clamp cylinder is installed at the power output end of the third Z-axis cylinder; the chuck is installed at the power output end of the clamp cylinder.
[0012] The beneficial effects of the utility model are:
[0013] This design receives and transports the product through a feeding device, and transports the product to a vibration detection mechanism through a handling device. In the vibration detection mechanism, the axis of the product is supported and centered by a lower ejector rod and an upper ejector rod, and the first positioning pin on the positioning seat is inserted into the mounting hole of the product to further position the product to ensure the stability of the product during rotation. At this time, the GT sensor touches the outside of the product shell, and the rotation drive device controls the rotation of the lower ejector rod, which drives the positioning seat to rotate, thereby driving the product to rotate. The GT sensor is used to detect whether there is any swing during the rotation of the product. This design has the advantages of high stability and high detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is the overall structure diagram of the utility model;
[0015] Figure 2 It is a half-section structural diagram of the vibration detection device of the utility model;
[0016] Figure 3 It is an exploded view of the lower ejector rod and the positioning seat of the utility model;
[0017] Figure 4 This is a structural diagram of the vibration detection alignment fixture of the utility model;
[0018] Figure 5 It is a structural diagram of the carrier of the utility model;
[0019] Figure 6 It is a structural diagram of the handling device of the utility model. DETAILED DESCRIPTION
[0020] The utility model is further described below in conjunction with the accompanying drawings:
[0021] like Figure 1-6As shown, a sway detection mechanism comprises a workbench 1 and a feeding device 2, a handling device 3 and a sway detection device 4 installed on the workbench 1; the feeding device 2 is arranged at the rear side of the sway detection device 4 for conveying products; the handling device 3 is arranged beside the feeding device 2 for conveying products of the feeding device 2 to the sway detection device 4; the sway detection device 4 comprises a first stand 41, an upper positioning assembly 42, a lower positioning rotation assembly 43 and a detection sensor assembly 44; the first stand 41 is fixed on the workbench 1 The upper positioning assembly 42 comprises a first Z-direction cylinder 421 and an upper push rod 422; the first Z-direction cylinder 421 is fixed to the upper part of the first stand 41 and the power output end is connected to the upper push rod 422; the lower end of the upper push rod 422 is provided with a first cone head 4221; the lower positioning rotation assembly 43 comprises a mounting seat 431, a lower push rod 432, a positioning seat 433 and a rotation drive device 434; the mounting seat 431 is fixed to the lower part of the first stand 41; the lower push rod 432 and the upper push rod 422 are connected to each other. The lower push rod 432 is coaxially arranged and rotatably connected to the mounting seat 431; the upper end of the lower push rod 432 is provided with a second cone head 4321; the upper part of the lower push rod 432 is provided with a mounting portion 4322 protruding outward; the positioning seat 433 is fixed on the mounting portion 4322; the center of the positioning seat 433 is provided with a first avoidance hole 4331; the upper part of the positioning seat 433 is provided with a first positioning pin 4332; the upper end of the lower push rod 432 extends into the lower part of the first avoidance hole 4331; the rotation drive device 434 is installed on the mounting The mounting seat 431 and the power output end are connected to the lower push rod 432; the detection sensor assembly 44 is arranged beside the first stand 41, including a mounting frame 441 and at least one GT sensor 442 mounted on the mounting frame 441; the GT sensor 442 is arranged horizontally and the detection end faces the axial direction of the lower push rod 432; the product processed by this design is an iron core assembly in which an iron core, a magnetic sheet, a rotating shaft and a shell are assembled together, wherein the upper and lower ends of the rotating shaft have a center hole, and the iron core has two mounting holes distributed on the left and right;During operation, the previous process or manual work places the product on the feeding device 2, and the product is transported by the feeding device 2. Then, the transport device 3 transports the product from the feeding device 2 to the oscillation detection mechanism. In the oscillation detection mechanism, the rotating shaft of the product extends from the first avoidance hole 4331, and the second cone head 4321 at the upper end of the lower push rod 432 touches the center hole at the lower end of the rotating shaft to center and support the product. The first positioning pin 4332 on the positioning seat 433 is inserted into one of the mounting holes of the product to position the product. The first Z-direction cylinder 4 21 controls the upper ejector rod 422 to move downward, and the second cone head 4321 of the upper ejector rod 422 touches the center hole at the upper end of the rotating shaft to center the product. At this time, the product is clamped and centered by the upper ejector rod 422 and the lower ejector rod 432, and is positioned by the first positioning pin 4332. The GT sensor 442 touches the outer shell of the product, and the rotation drive device 434 controls the rotation of the lower ejector rod 432, and the lower ejector rod 432 drives the positioning seat 433 to rotate, thereby driving the product to rotate, and the GT sensor 442 detects whether there is any deflection during the rotation of the product. ;
[0022] The oscillation detection device 4 also includes a oscillation detection alignment fixture 45; the oscillation detection alignment fixture 45 includes an alignment cone 451, an upper shaft portion 452 formed above the alignment cone 451, and a lower shaft portion 453 formed below the alignment cone 451; the bottom of the alignment cone 451 is provided with a positioning pin hole 4511 that cooperates with the first positioning pin 4332; the upper end of the upper shaft portion 452 is provided with an upper positioning hole 4521; the lower end of the lower shaft portion 453 is provided with a conical groove 4531. The oscillation detection alignment fixture 45 is used for standard product alignment. Before work, the oscillation detection alignment fixture 45 is placed in the oscillation detection device 4 for alignment to improve the accuracy of detection. After alignment, it can be taken out and work normally.
[0023] The upper positioning assembly 42 also includes an elastic connection assembly 431; the elastic connection assembly 431 includes a connecting plate 4311, a slide 4312, a first spring 4313 and a second spring 4314; the connecting plate 4311 is fixed to the power output end of the first Z-direction cylinder 421; a first spring sink groove is provided at the bottom of the connecting plate 4311; the slide 4312 is located below the connecting plate 4311 and is connected to the first stand 41 by sliding up and down through a slide rail pair; a second spring sink groove corresponding to the first spring sink groove is provided above the slide 4312; the first spring 4313 is installed between the first spring sink groove and the second spring sink groove; the upper push rod 422 is rotatably connected to the slide 4312 through a bearing 4312-1 and the upper end is penetrated A connecting plate 4311 is provided; a first limiting nut 4222 is installed at the upper end of the upper push rod 422, a second limiting nut 4223 is installed in the middle, and a limiting baffle 4224 is provided at the lower part; the first limiting nut 4222 touches the top of the connecting plate 4311; the second limiting nut 4223 is located above the slide seat 4312 and touches the top of the bearing 4312-1; the limiting baffle 4224 is located below the slide seat 4312 and touches the bottom of the bearing 4312-1; the second spring 4314 is sleeved on the upper push rod 422 and its two ends respectively touch the connecting plate 4311 and the second limiting nut 4223. The setting of the elastic connection component 431 plays a caching function for the upper push rod 422, and a flexible connection method is adopted to avoid damage to the product.
[0024] The rotation driving device 434 adopts a motor; the power output end of the rotation driving device 434 is connected to the lower push rod 432 through a coupling, and the motor controls the rotation of the lower push rod 432 through a linkage 4341.
[0025] The GT sensor 442 is provided with two, which is divided into a first GT sensor 4421 and a second GT sensor 4422; the second GT sensor 4422 is installed on the mounting frame 441 through a second Z-direction cylinder 443, and the second GT sensor 4422 controls the up and down height positions through the second Z-direction cylinder 443 controller, so as to detect whether different height positions meet the standards. The present design sets two groups of GT sensors 442, which can improve the detection accuracy.
[0026] The feeding device 2 includes a Y-axis linear module 21, a sliding seat 22 and a carrier 23; the Y-axis linear module 21 is fixed on the workbench 1 and the power output end is connected to the sliding seat 22; the carrier 23 is fixed on the sliding seat 22; the carrier 23 is provided with a second air avoidance hole 231 and second positioning pins 232 located on the left and right sides of the second air avoidance hole 231. The Y-axis linear module 21 controls the sliding seat 22 to move backward, and this position is used to receive the product. After the product moves forward, it waits for the conveying device 3 to pick up the material. The second air avoidance hole 231 is set to avoid the rotating shaft on the air avoidance product, and the two second positioning pins 232 cooperate with the mounting holes of the product for positioning.
[0027] The handling device 3 includes a second stand 31, a Y-axis cylinder 32, a third Z-axis cylinder 33, a clamp cylinder 34 and a chuck 35; the second stand 31 is fixed on the workbench 1 and is located on the left side of the front part of the Y-axis linear module 21; the Y-axis cylinder 32 is fixed on the second stand 31 and the power output end is connected to the third Z-axis cylinder 33; the clamp cylinder 34 is installed at the power output end of the third Z-axis cylinder 33; the chuck 35 is installed at the power output end of the clamp cylinder 34, the Y-axis cylinder 32 is linked with the third Z-axis cylinder 33, and cooperates with the clamp cylinder 34 to control the opening and closing movement of the chuck 35, and the chuck 35 is used to clamp the rotating shaft of the product, thereby realizing the handling of the product.
[0028] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A vibration detection mechanism, characterized in that: It comprises a workbench and a feeding device, a handling device and a sway detection device installed on the workbench; the feeding device is arranged at the rear side of the sway detection device for transporting products; the handling device is arranged beside the feeding device for transporting products of the feeding device to the sway detection device; the sway detection device comprises a first stand, an upper positioning assembly, a lower positioning rotation assembly and a detection sensor assembly; the first stand is fixed on the workbench; the upper positioning assembly comprises a first Z-direction cylinder and an upper ejector rod; the first Z-direction cylinder is fixed on the upper part of the first stand and the power output end is connected to the upper ejector rod; the lower end of the upper ejector rod is provided with a first cone head; the lower positioning rotation assembly comprises a mounting seat, a lower ejector rod, a positioning seat and a rotation drive device The cam is connected to the mounting base and the mounting base is coaxial with the upper mounting base and is rotatably connected to the mounting base; a second cone head is provided at the upper end of the lower mounting base; a mounting portion protruding outward is provided at the upper part of the lower mounting base; the positioning seat is fixed on the mounting portion; a first air avoidance hole is provided at the center of the positioning seat; a first positioning pin is provided above the positioning seat; the upper end of the lower mounting rod extends into the lower part of the first air avoidance hole; the rotary drive device is installed on the mounting seat and the power output end is connected to the lower mounting rod; the detection sensor assembly is arranged beside the first mounting base, including a mounting frame and at least one GT sensor installed on the mounting frame; the GT sensor is arranged horizontally and the detection end faces the axial direction of the lower mounting rod.
2. A vibration detection mechanism according to claim 1, characterized in that: The oscillation detection device also includes a oscillation detection alignment fixture; the oscillation detection alignment fixture includes an alignment cone, an upper shaft portion formed above the alignment cone, and a lower shaft portion formed below the alignment cone; a positioning pin hole that cooperates with a first positioning pin is provided at the bottom of the alignment cone; an upper positioning hole is provided at the upper end of the upper shaft portion; and a conical groove is provided at the lower end of the lower shaft portion.
3. A vibration detection mechanism according to claim 1, characterized in that: The upper positioning assembly also includes an elastic connection assembly; the elastic connection assembly includes a connecting plate, a sliding seat, a first spring and a second spring; the connecting plate is fixed to the power output end of the first Z-direction cylinder; a first spring groove is provided at the bottom of the connecting plate; the sliding seat is located below the connecting plate and is slidably connected to the first stand by a slide rail pair; a second spring groove corresponding to the first spring groove is provided above the sliding seat; the first spring is installed between the first spring groove and the second spring groove; the upper push rod is rotatably connected to the sliding seat through a bearing and the upper end passes through the connecting plate; a first limiting nut is installed at the upper end of the upper push rod, a second limiting nut is installed in the middle, and a limiting baffle is provided at the lower end; the first limiting nut touches the top of the connecting plate; the second limiting nut is located above the sliding seat and touches the top of the bearing; the limiting baffle is located below the sliding seat and touches the bottom of the bearing; the second spring is sleeved on the upper push rod and its two ends respectively touch the connecting plate and the second limiting nut.
4. A vibration detection mechanism according to claim 1, characterized in that: The rotary drive device adopts a motor; the power output end of the rotary drive device is connected with the lower push rod through a coupling.
5. A vibration detection mechanism according to claim 1, characterized in that: The GT sensors are provided in two, which are divided into a first GT sensor and a second GT sensor; the second GT sensor is installed on the mounting frame through a second Z-direction cylinder.
6. A vibration detection mechanism according to claim 1, characterized in that: The feeding device includes a Y-axis linear module, a sliding seat and a carrier; the Y-axis linear module is fixed on the workbench and the power output end is connected to the sliding seat; the carrier is fixed on the sliding seat; the carrier is provided with a second air avoidance hole and second positioning pins located on the left and right sides of the second air avoidance hole.
7. A vibration detection mechanism according to claim 6, characterized in that: The transport device includes a second frame, a Y-axis cylinder, a third Z-axis cylinder, a clamp cylinder and a chuck; the second frame is fixed on the workbench and is located on the left side of the front of the Y-axis linear module; the Y-axis cylinder is fixed on the second frame and the power output end is connected to the third Z-axis cylinder; the clamp cylinder is installed at the power output end of the third Z-axis cylinder; the chuck is installed at the power output end of the clamp cylinder.