Automobile part external diameter detection device

Abstract

The utility model relates to the technical field of automobile part detection, and discloses an automobile part outer diameter detection device which comprises a bottom frame, a support is fixedly installed on the top of the bottom frame, a servo motor with a self-locking function is fixedly installed on the support, the servo motor is externally connected to a PLC end, and the servo motor is connected with a rotating shaft through an output shaft. The upper part of the rotating shaft is fixedly connected with a supporting plate for an automobile bearing; the center of the top surface of the supporting plate is detachably connected with a positioning column for the automobile bearing; a vertical frame is fixedly installed on the support, a lead screw is rotationally connected to the vertical frame, a screw sleeve is connected to the lead screw in a threaded mode, a movable frame is fixedly installed on the screw sleeve, a laser diameter measuring instrument is fixedly connected to the movable frame, and the laser diameter measuring instrument is externally connected to a PLC end. When the external diameter of the automobile bearing is detected, the servo motor can be started to drive the automobile bearing to rotate according to a preset rotation angle so as to adjust the detection direction, thereby carrying out multi-point detection on the automobile bearing, and effectively improving the detection precision of the external diameter of the automobile bearing.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts detection, in particular to an automobile parts outer diameter detection device. Background Art

[0002] A car is a generally four-wheeled, autonomous vehicle that relies on an internal combustion engine or electric motor powered by a volatile fuel (such as gasoline) and is widely used for street and highway transportation. Cars have at least four wheels, are independent of tracks or wires, and are capable of accelerating, decelerating, turning, and stopping, making them an essential tool for transporting people and goods.

[0003] Bearings are important components in existing automotive structures and are related to the stable operation of the vehicle. Therefore, the dimensions of the automotive bearings need to be tested during assembly, and the outer diameter of the automotive bearings is an important indicator. Special testing devices are used for existing bearing outer diameter testing, such as the automotive parts outer diameter testing device disclosed in Publication No. CN218884895U. Its main features are: it includes a bed, a frame placed on the bed, a testing piece movably connected to the frame, a turntable rotatably connected to the bed, a tool for placing the workpiece to be tested on the turntable, a screw assembly of a motor for controlling the lifting of the testing piece is provided on the frame, the testing piece and the screw assembly are movably connected, the output end of the motor is connected to the screw assembly, the testing piece includes a ring and several infrared probes placed on the ring, the output end of the infrared probe is placed on the inner wall of the ring, and the infrared probe is connected to the control host via a transmission line.

[0004] During the practical application of the above-mentioned utility model, the applicant found that when the outer diameter of the above-mentioned automobile bearing is detected, the outer diameter of the automobile bearing is detected at a single point through an infrared probe, and the outer diameter of the automobile bearing in other directions cannot be detected. The detection accuracy needs to be improved, and when the outer diameter in other directions is to be detected, personnel are required to adjust the orientation of the automobile bearing, and the detection operation is very troublesome. In order to solve the above-mentioned problems, an outer diameter detection device for automobile parts is proposed. Utility Model Content

[0005] The purpose of the present utility model is to provide a device for detecting the outer diameter of automobile parts in order to solve the above-mentioned problems.

[0006] The technical solution adopted by the utility model is as follows: a device for detecting the outer diameter of automobile parts, comprising a base frame, a bracket fixedly mounted on the top of the base frame, a servo motor with a self-locking function fixedly mounted on the bracket, the servo motor being externally connected to a PLC terminal, the servo motor being connected to a rotating shaft via an output shaft, the upper part of the rotating shaft being fixedly connected to a support plate for automobile bearings, and a positioning column for automobile bearings being detachably connected to the center of the top surface of the support plate;

[0007] A vertical frame is fixedly installed on the bracket, a screw rod is rotatably connected to the vertical frame, a threaded sleeve is connected to the upper thread of the screw rod, a movable frame is fixedly installed on the sleeve, a laser diameter gauge is fixedly connected to the movable frame, and the laser diameter gauge is externally connected to the PLC end.

[0008] In a preferred embodiment, the bearing is supported on the supporting plate, and the inner ring of the bearing is sleeved on the positioning column.

[0009] In a preferred embodiment, the height and diameter of the positioning column have various sizes, and the specific size of the positioning column is determined according to the inner diameter and height of the bearing of different sizes.

[0010] In a preferred embodiment, a threaded hole is provided at the center of the top surface of the support plate, a threaded column of standard size is constructed at the bottom of the positioning column, the threaded column is threadedly connected to the threaded hole, and a hexagonal groove is provided at the top of the positioning column.

[0011] In a preferred embodiment, a U-shaped material trough is provided on the support plate.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0013] 1. When the utility model detects the outer diameter of the automobile bearing, the servo motor can be started to drive the automobile bearing to rotate and adjust the detection position according to the preset rotation angle, thereby performing multi-point detection on the automobile bearing. This can effectively improve the detection accuracy of the automobile bearing outer diameter, and automatically adjust the detection position without manual adjustment, making the detection more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional schematic diagram of the present utility model;

[0015] Figure 2 This is a schematic side view of the structure of the present invention;

[0016] Figure 3 This is a schematic diagram of the exploded structure of the support plate and positioning column of the utility model.

[0017] Markings in the figure: 1-base frame, 2-bracket, 3-servo motor, 4-rotating shaft, 5-support plate, 6-positioning column, 7-vertical frame, 8-screw rod, 9-thread sleeve, 10-movable frame, 11-laser diameter gauge, 12-threaded hole, 13-threaded column, 14-U-shaped material trough, 15-guide rod, 16-hexagonal groove. DETAILED DESCRIPTION

[0018] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0019] The following will be combined Figure 1-Figure 3 A device for detecting the outer diameter of an automobile component according to an embodiment of the present utility model is described in detail. Example

[0020] The present invention provides an automobile parts outer diameter detection device, referring to Figures 1 to 3 As shown, it includes a base frame 1, a bracket 2 is fixedly installed on the top of the base frame 1, a servo motor 3 with a self-locking function is fixedly installed on the bracket 2, the servo motor 3 is externally connected to the PLC end, the servo motor 3 is connected to the shaft 4 through the output shaft, the upper part of the shaft 4 is fixedly connected to a support plate 5 for automobile bearings, the bearing support is placed on the support plate 5, and a positioning column 6 for automobile bearings is detachably connected to the center of the top surface of the support plate 5. The inner ring of the bearing is sleeved on the positioning column 6. A screw adjustment component is provided on the bracket 2, and a laser diameter gauge 11 is installed on the screw adjustment component. The laser diameter gauge 11 is externally connected to the PLC end. When using this structure, personnel will need to detect The inner ring of the automobile bearing is first put on the positioning column 6, and the bottom of the automobile bearing is placed on the support plate 5 to position the automobile bearing. Then the personnel use the screw adjustment component to align the laser diameter gauge 11 with the height position of the bearing to be detected, and then use the laser rangefinder 11 to detect the outer diameter of the automobile bearing. The PLC end will analyze the outer diameter data of the automobile bearing and display it through the display. During the detection process, the PLC end can drive the rotating shaft 4 to rotate slowly at equal angles through the program, thereby driving the automobile bearing on the support plate 5 to adjust the angle, thereby realizing multi-point outer diameter detection of the bearing, which can effectively improve the accuracy of outer diameter detection.

[0021] It should be noted that the above-mentioned servo motor 3 and laser diameter gauge 11 are both existing equipment. The optical diameter gauge 11 adopts Keyence's LS-9000 series, and the specific control equipment and control program of the above-mentioned designed servo motor 3 have been disclosed, so they will not be introduced in detail here. At the same time, the specific control equipment and analysis system of the laser diameter gauge 11 have been disclosed, so they will not be introduced in detail here.

[0022] refer to Figures 1 to 3As shown, a vertical frame 7 is fixedly installed on the bracket 2, and a screw rod 8 is rotatably connected to the vertical frame 7. The upper thread of the screw rod 8 is connected to a wire sleeve 9, and a movable frame 10 is fixedly installed on the wire sleeve 9. The laser diameter gauge 11 is fixedly installed on the movable frame 10. In this structure, a person rotates the screw rod 8 to drive the wire sleeve 9 to move up and down, thereby driving the laser diameter gauge 11 on the movable frame 10 to move up and down to adjust the position, so that the height of the laser diameter gauge 11 can be adjusted according to the bearing height to adapt the detection.

[0023] refer to Figures 1 to 3 As shown, the height and diameter of the positioning column 6 have various sizes. The specific size of the positioning column 6 is determined according to the inner diameter and height of bearings of different sizes. Positioning columns 6 of various sizes are convenient for personnel to replace and use according to the bearing size, thereby realizing the positioning and placement of different bearings.

[0024] refer to Figures 1 to 3 As shown, a threaded hole 12 is provided in the center of the top surface of the support plate 5, and a threaded column 13 of standard size is constructed at the bottom of the positioning column 6. The threaded column 13 is threadedly connected to the threaded hole 12. In this structure, the positioning column 6 is connected to the threaded hole 12 of the support plate 5 through the threaded column 13, thereby realizing the connection between the positioning column 6 and the support plate 5. When the positioning column 6 needs to be replaced later, the personnel can unscrew the positioning column 6 at this time.

[0025] refer to Figures 1 to 3 As shown, a hexagonal groove 16 is provided on the top of the positioning column 6. This structure allows personnel to rotate the positioning column 6 using a hexagonal wrench, thereby facilitating the installation and removal of the positioning column 6.

[0026] refer to Figures 1 to 3 As shown, a U-shaped material trough 14 is provided on the support plate 5. This structure uses the U-shaped material trough 14 to facilitate personnel to lift the bearing from the bottom by hand, thereby facilitating the bearing to be separated from the positioning column 6, mainly facilitating the unloading operation of some lower bearings.

[0027] refer to Figures 1 to 3 As shown, a guide rod 15 is slidably connected to the movable frame 10 , and the guide rod 15 is fixedly mounted on the vertical frame 7 . This structure uses the guide rod 15 to guide the movement of the movable frame 10 .

[0028] It should be noted that the outer diameter detection device disclosed in the above embodiment is applied to the outer diameter detection of automobile bearing parts, and belongs to the field of automobile parts detection devices.

[0029] The implementation principle of an automobile parts outer diameter detection device in an embodiment of the present application is as follows: when in use, the personnel selects a positioning column 6 of a suitable model according to the size of the bearing to be detected, and then the personnel connects the threaded column 13 of the positioning column 6 with the threaded hole 12 of the support plate 5, and rotates the positioning column 6 by inserting a hexagonal wrench into the hexagonal groove 16 of the positioning column 6, thereby locking the positioning column 6 on the support plate 5, and then the personnel first puts the inner ring of the bearing to be detected on the positioning column 6, and places the bottom of the automobile bearing on the support plate 5, thereby positioning and placing the automobile bearing, and then the personnel aligns the laser diameter gauge 11 with the height position of the bearing to be detected through the screw adjustment assembly, and then uses the laser rangefinder 11 to detect the outer diameter of the bearing, and the PLC end will analyze the bearing outer diameter data and display it through the display, and during the detection process, the PLC end can drive the rotating shaft 4 to rotate slowly and at equal angles through the program, thereby driving the automobile bearing on the support plate 5 to adjust the angle, thereby realizing multi-point outer diameter detection of the automobile bearing, thereby effectively improving the accuracy of outer diameter detection.

[0030] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features thereof can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. An automobile parts outer diameter detection device, comprising a chassis (1), characterized in that: A bracket (2) is fixedly mounted on the top of the base frame (1), a servo motor (3) with a self-locking function is fixedly mounted on the bracket (2), the servo motor (3) is externally connected to a PLC terminal, the servo motor (3) is connected to a rotating shaft (4) via an output shaft, a support plate (5) for automobile bearings is fixedly connected to the upper part of the rotating shaft (4), and a positioning column (6) for automobile bearings is detachably connected to the center of the top surface of the support plate (5); A vertical frame (7) is fixedly mounted on the bracket (2), a screw rod (8) is rotatably connected to the vertical frame (7), a threaded sleeve (9) is threadedly connected to the screw rod (8), a movable frame (10) is fixedly mounted on the sleeve (9), a laser diameter gauge (11) is fixedly connected to the movable frame (10), and the laser diameter gauge (11) is externally connected to a PLC terminal.

2. The device for detecting outer diameter of an automobile component according to claim 1, wherein: The bearing is supported on the supporting plate (5), and the inner ring of the bearing is sleeved on the positioning column (6).

3. The device for detecting outer diameter of automobile parts according to claim 1, wherein: The height and diameter of the positioning column (6) have various sizes, and the specific size of the positioning column (6) is determined according to the inner diameter and height of bearings of different sizes.

4. The device for detecting outer diameter of automobile parts according to claim 1, wherein: A threaded hole (12) is provided at the center of the top surface of the support plate (5), a threaded column (13) of standard size is constructed at the bottom of the positioning column (6), the threaded column (13) is threadedly connected to the threaded hole (12), and a hexagonal groove (16) is provided at the top of the positioning column (6).

5. The device for detecting outer diameter of automobile parts according to claim 1, wherein: A U-shaped material taking trough (14) is provided on the supporting plate (5).

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