Motor rotating shaft detection equipment

Abstract

The invention discloses motor rotating shaft detection equipment, which comprises a detection workbench, the middle part of the top end of the detection workbench is fixedly provided with a middle bearing frame, and the two ends of the detection workbench are fixedly provided with limiting end plates; the bottom ends of the two symmetrically-arranged installation supporting arms are fixedly connected with a movable sliding base, the movable sliding base is installed at the top end of the detection workbench in a sliding mode, and one side of the top end of each installation supporting arm is provided with an electric three-jaw chuck. According to the invention, automatic detection of a plurality of key geometric parameters such as the length, the roundness (surface shape) and the straightness of the motor rotating shaft is efficiently integrated and completed on one device; a lifting air cylinder, a two-way threaded rod synchronizing mechanism, servo drive rotation and distributed infrared distance measurement are ingeniously utilized, a scientific calculation model is combined, rapid and accurate automatic positioning, clamping, rotation and comprehensive data collection are achieved, the detection efficiency, precision and automation level are remarkably improved, and the device is particularly suitable for batch detection scenes.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of motor detection, and particularly relates to a motor rotating shaft detection device. BACKGROUND

[0002] In the prior art, in the process of machining shaft parts during motor production and assembly, two links are included, one is a metal cutting link, and the other is a quality detection link, qualified products enter the next process, and unqualified products are repaired or scrapped. With the rapid development of science and technology and the continuous promotion of intelligent manufacturing production mode, and the use of industrial robots and special equipment, the feeding and discharging link during part machining is realized to be automatic or even intelligent.

[0003] Through retrieval, a motor rotating shaft size measurement device and method based on visual detection are disclosed in Chinese patent application No. 202311229106.4, which has the advantages of high data acquisition efficiency, low work intensity, high size detection efficiency and accuracy, and is not prone to subjective measurement error. However, the detection of the motor rotating shaft is limited to the surface size in the actual use process of the device, and the roundness detection of multiple points cannot be performed at the same time, which reduces the actual detection effect of the motor rotating shaft surface size detection. SUMMARY

[0004] The purpose of the present application is to solve the shortcomings in the prior art, and a motor rotating shaft detection device is provided.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: A motor rotating shaft detection device comprises: A detection workbench, a middle part of the top end of which is fixedly installed with a middle bearing frame, and both ends are fixedly installed with limiting end plates; Two symmetrically arranged mounting support arms, the bottom ends of which are fixedly connected with moving sliding seats, the moving sliding seats are slidingly installed on the top end of the detection workbench, and one side of the top end of the mounting support arm is provided with an electric three-jaw chuck, and the electric motor rotating shaft body is clamped between the two electric three-jaw chucks; Two mounting fixed frames are respectively fixedly installed on the top ends of the two limiting end plates, the top parts between the two mounting fixed frames are fixedly connected with two bearing sliding rods, the outer walls of the bearing sliding rods are slidingly installed with a plurality of bearing sliding seats, the bottom ends of the bearing sliding seats are fixedly installed with infrared range finders, the infrared emission directions of the infrared range finders intersect with the axes of the two electric three-jaw chucks, and the distance between the infrared range finders and the axes of the electric three-jaw chucks is fixed.

[0006] As a further scheme of the present application: the other side of the top end of the mounting support arm is fixedly installed with a motor mounting frame, and a servo motor one is fixedly installed in the interior of the motor mounting frame.

[0007] As a further scheme of the present application: two-way threaded rods are rotatably installed at both ends between the two limiting end plates, penetrate the middle bearing frame and the moving slide, and are threadedly connected with the moving slide.

[0008] As a further scheme of the present application: the two ends of the two-way threaded rods penetrate the limiting end plates and extend outward, and drive gears are fixedly installed at the end of the extended end.

[0009] As a further scheme of the present application: a guide scale rod is fixedly installed between the limiting end plate and the middle bearing frame, penetrates the moving slide, and is slidingly connected with the moving slide.

[0010] As a further scheme of the present application: one end of the guide scale rod penetrates the limiting end plate and extends outward, and a transmission gear is fixedly installed at the extended end, which is engaged with the two adjacent drive gears.

[0011] As a further scheme of the present application: a lifting cylinder is fixedly installed at the middle of the middle bearing frame, and a bearing mounting seat is fixedly installed at the top end of the lifting cylinder.

[0012] As a further scheme of the present application: two bearing rollers are symmetrically installed at the top end of the bearing mounting seat, and a plurality of limiting slide columns are fixedly installed at the bottom end of the bearing mounting seat.

[0013] Compared with the prior art, the present application provides a motor rotating shaft detection device, which has the following beneficial effects: The motor rotating shaft detection device efficiently integrates the automatic detection of multiple key geometric parameters such as the length, roundness (surface shape), and straightness of the motor rotating shaft on one device; it skillfully utilizes a lifting cylinder, a two-way threaded rod synchronous mechanism, servo-driven rotation, and distributed infrared ranging, combined with a scientific calculation model, to realize rapid and accurate automatic positioning, clamping, rotation, and comprehensive data acquisition, significantly improving the detection efficiency, precision, and automation level, and is particularly suitable for batch detection scenarios.

[0014] The parts not involved in the device are the same as or can be realized by the prior art, and the present application has simple structure and convenient operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall assembly of the present application; Figure 2 It is a schematic diagram of the partial cross-sectional structure of the overall assembly of the present application; Figure 3 It is a schematic diagram of the partial cross-sectional structure of the overall assembly of the present application; Figure 2 It is a schematic diagram of the partial cross-sectional structure of the overall assembly of the present application; Figure 4 For the present application Figure 2 The local enlarged structure schematic view at B in the present application.

[0016] In the figure: 1, detection workbench; 2, support leg; 3, middle bearing frame; 4, limiting end plate; 5, two-way threaded rod; 6, guide scale rod; 7, moving slide; 8, installation support arm; 9, electric three-jaw chuck; 10, motor shaft body; 11, installation fixing frame; 12, servo motor one; 13, motor mounting frame; 14, bearing slide rod; 15, bearing slide; 16, infrared range finder; 17, driven gear; 18, transmission gear; 19, drive gear; 20, servo motor two; 21, positioning installation cylinder; 22, lifting cylinder; 23, bearing mounting seat; 24, bearing roller; 25, limiting slide column. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0018] A motor shaft detection device, as shown in Figures 1 to 4 includes a detection workbench 1 for bearing the overall device and an electric three-jaw chuck 9 for clamping the motor shaft body 10; a plurality of support legs 2 are fixedly installed at the bottom end of the detection workbench 1, and a middle bearing frame 3 is fixedly installed at the top middle of the detection workbench 1, and the middle bearing frame 3 is provided with an adaptive through slot corresponding to the tabletop of the detection workbench 1.

[0019] The bottom middle of the middle bearing frame 3 is integrally formed with a positioning installation cylinder 21, the inside of the positioning installation cylinder 21 is fixedly installed with a lifting cylinder 22 (existing mature technology, this application will not be described again), the telescopic end top of the lifting cylinder 22 is fixedly installed with a bearing mounting seat 23, and the top end of the bearing mounting seat 23 is symmetrically provided with two bearing rollers 24.

[0020] The inside of the bearing roller 24 is fixedly installed with an installation shaft, the two installation shafts are parallel and rotationally connected with the bearing mounting seat 23; and the bottom end of the bearing mounting seat 23 is fixedly installed with a limiting slide column 25 at each corner, the limiting slide column 25 penetrates through the middle bearing frame 3 and extends to the inside of the adaptive through slot, and is slidingly connected with the middle bearing frame 3.

[0021] The top of the detection workbench 1 is fixedly installed with a limiting end plate 4 at both ends, a moving slide 7 that slides on the top of the detection workbench 1 is arranged between the limiting end plate 4 and the middle bearing frame 3, and a two-way threaded rod 5 is rotationally installed at both ends between the two limiting end plates 4.

[0022] The bidirectional threaded rod 5 penetrates the movable sliding seat 7 and the middle bearing frame 3, and is rotationally connected with the middle bearing frame 3 and threadedly connected with the movable sliding seat 7; the two ends of the bidirectional threaded rod 5 both penetrate the limiting end plate 4 and extend outward, and the end of the extending end is fixedly installed with a driven gear 17.

[0023] The middle part between the limiting end plate 4 and the middle bearing frame 3 is fixedly installed with a guide scale rod 6, the guide scale rod 6 penetrates the movable sliding seat 7 and is slidingly connected with the movable sliding seat 7, and is used for measuring the displacement of the movable sliding seat 7 and then measuring the length of the motor rotating shaft body 10.

[0024] The end of the guide scale rod 6 away from the middle bearing frame 3 penetrates the limiting end plate 4 and extends outward, and the extending end is fixedly installed with a transmission gear 18, the transmission gear 18 is engaged with the two driven gears 17 at the same end; and the bottom end of one of the transmission gears 18 is engaged with a driving gear 19, the bottom of the end of the detection workbench 1 is fixedly installed with a motor support, the inside of the motor support is fixedly installed with a servo motor two 20, and the output shaft end of the servo motor two 20 is fixedly installed with the driving gear 19.

[0025] The top end of the movable sliding seat 7 is fixedly connected with an installation support arm 8, and the electric three-jaw chuck 9 is arranged at the top end of the installation support arm 8 close to one side of the middle bearing frame 3, and the two electric three-jaw chucks 9 are symmetrically arranged; the electric three-jaw chuck 9 is different from the three-jaw chuck in the prior art in that the middle part of the disc body is provided as a plane (the side provided with the clamping jaw), and the plane is attached to the end of the motor rotating shaft body 10.

[0026] The side of the electric three-jaw chuck 9 close to the installation support arm 8 is integrally formed with a connecting rotating shaft, and the connecting rotating shaft penetrates the installation support arm 8; and the top of the side of the installation support arm 8 away from the middle bearing frame 3 is fixedly installed with a motor mounting frame 13, the inside of the motor mounting frame 13 is fixedly installed with a servo motor one 12, and the output shaft of the servo motor one 12 is connected with the connecting rotating shaft through a shaft coupling.

[0027] The top end of each of the two limiting end plates 4 is fixedly installed with an installation fixing frame 11, the top of the two installation fixing frames 11 is fixedly connected with two bearing sliding rods 14, the outer wall of the bearing sliding rod 14 is slidingly installed with a plurality of bearing sliding seats 15, the bottom end of the bearing sliding seat 15 is fixedly installed with an infrared range finder 16, the infrared emission direction of the infrared range finder 16 intersects with the axis of the two electric three-jaw chucks 9, and the spacing between the infrared range finder 16 and the axis of the electric three-jaw chuck 9 is fixed.

[0028] An angle of the top end of the detection workbench 1 is fixedly installed with a general controller, and the general controller is electrically connected with the electric three-jaw chuck 9, the servo motor one 12, the infrared range finder 16, the servo motor two 20 and the lifting cylinder 22 through wires.

[0029] Working principle: Please refer to Figures 1 to 4 , the device is assembled as shown; as Figure 1 shown, the bearing mount 23 is in the initial state at this time; the moving slide 7 is attached to the adjacent limit end plate 4, which is the initial state of the electric three-jaw chuck 9; the bearing slide 15 can be manually adjusted according to the actual situation of the motor shaft body 10, so that each section of the motor shaft body 10 has a corresponding infrared range finder 16; When the device is in use, first place the motor shaft body 10 between the two bearing rollers 24 (the axis of the bearing roller 24 is parallel to the axis of the electric three-jaw chuck 9), then start the lifting cylinder 22 to lift the height of the motor shaft body 10 through the bearing mount 23 and the bearing roller 24, so that the axis of the motor shaft body 10 approaches the axis of the electric three-jaw chuck 9; then start the servo motor two 20, through the meshing of the drive gear 19, the transmission gear 18 and the two driven gears 17, the two bidirectional threaded rods 5 rotate synchronously and in the same direction, prompting the two moving slides 7 to drive the two electric three-jaw chucks 9 to approach each other and attach to the end face of the motor shaft body 10, then start the electric three-jaw chuck 9 to clamp and fix the two ends of the motor shaft body 10; at this time, through the guide scale rod 6, the total length of the motor shaft body 10 can be quickly calculated; then start the servo motor one 12, the two servo motor ones 12 rotate synchronously and in opposite directions, driving the motor shaft body 10 to rotate at a speed of zero point five revolutions per second, the corresponding infrared range finder 16 of each section of the motor shaft body 10 measures the distance of the outer wall of the motor shaft body 10; taking one infrared range finder 16 as an example, assuming that the distance between the infrared range finder 16 and the axis of the electric three-jaw chuck 9 is a, the distance measured by the infrared range finder 16 between the outer wall of the motor shaft body 10 and the infrared range finder 16 is b, and the designed value of the diameter of the motor shaft body 10 at that point is c, then (a-b) is the diameter of the motor shaft body 10 at the corresponding position, (b-c) is the measurement deviation, the smaller (b-c) is, the higher the roundness of the motor shaft body 10 is, and the smoother the surface is; similarly, the four infrared range finders 16 on the same section of the motor shaft body 10 measure b as b1, b2, b3 and b4 respectively; if the numerical values of (b1-c), (b2-c), (b3-c) and (b4-c) are closer, the straightness of the motor shaft body 10 is higher.

[0030] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An electric motor rotating shaft detecting apparatus characterized by comprising: The utility model relates to a kind of detection workbench, including: Detection workbench (1), the middle part of the top end is fixedly installed with middle bearing frame (3), both ends are fixedly installed with limiting end plate (4); Two symmetrical installation support arms (8) are fixedly connected with mobile sliding seat (7) at bottom end, mobile sliding seat (7) is slidably installed on the top end of detection workbench (1), and one side of the top end of installation support arm (8) is provided with electric three-jaw chuck (9), motor shaft body (10) is clamped between two electric three-jaw chucks (9); Two installation fixed frame (11) are fixedly installed on the top end of two limiting end plate (4) respectively, and the top of two installation fixed frame (11) is fixedly connected with two bearing slide rods (14), a plurality of bearing sliding seats (15) are slidably installed on the outer wall of bearing slide rod (14), infrared range finder (16) is fixedly installed on the bottom of bearing sliding seat (15), the infrared emission direction of infrared range finder (16) intersects with the axis of two electric three-jaw chucks (9), and the distance between infrared range finder (16) and electric three-jaw chuck (9) axis is fixed.

2. The motor shaft detection device according to claim 1, characterized by: The other side of the top end of installation support arm (8) is fixedly installed with motor mounting bracket (13), and servo motor one (12) is fixedly installed in motor mounting bracket (13).

3. The motor shaft detection device of claim 1, wherein: Both ends between two limiting end plate (4) are rotatably installed with two-way screw rod (5), two-way screw rod (5) penetrates middle bearing frame (3) and mobile sliding seat (7), and is threadedly connected with mobile sliding seat (7).

4. The motor shaft detection device according to claim 3, characterized by: Both ends of two-way screw rod (5) are externally extended after penetrating limiting end plate (4), and the end of extension is fixedly installed with driven gear (17).

5. The motor shaft detection device of claim 1, wherein: Limiting end plate (4) and middle bearing frame (3) are fixedly installed with guide scale rod (6) between them, guide scale rod (6) penetrates mobile sliding seat (7), and is slidably connected with mobile sliding seat (7).

6. A motor shaft detection device according to claim 5, characterized in that: One end of guide scale rod (6) is externally extended after penetrating limiting end plate (4), and the end of extension is fixedly installed with transmission gear (18), and transmission gear (18) is engaged with adjacent two driven gears (17).

7. The motor shaft detection device of claim 1, wherein: The middle part of middle bearing frame (3) is fixedly installed with lifting cylinder (22), and the top end of lifting cylinder (22) is fixedly installed with bearing mounting seat (23).

8. A motor shaft detection device according to claim 7, characterized in that: Two bearing rollers (24) are symmetrically installed on the top end of bearing mounting seat (23), and a plurality of limiting slide columns (25) are fixedly installed on the bottom of bearing mounting seat (23).

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