Calibration mechanism of automobile part checking fixture

Abstract

The utility model discloses a calibration mechanism of an automobile part checking fixture, which comprises a workbench, a calibration platform is arranged on the upper end face of the workbench, a first motor is arranged in the calibration platform, a threaded rod is arranged at one end of the first motor, a moving plate is arranged on the outer wall of the threaded rod, and a mounting box is arranged at the upper end of the moving plate. A supporting table is arranged above the mounting box, a fixing plate is arranged on the upper end face of the supporting table, a second motor is fixedly arranged at the upper end of the fixing plate, one end of the second motor is connected with a main gear, the main gear is in meshed connection with a driven gear, a guide rod is arranged in the driven gear, and one end of the guide rod is connected to a connecting rod; according to the automobile hub detection device, automobile hubs of different sizes can be clamped, placed and detected, the automobile hubs on the supporting table can be moved in multiple directions, accurate alignment and calibration are facilitated, and the automobile hub detection device has practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of inspection tools, in particular to a calibration mechanism of an automobile component inspection tool. Background Art

[0002] Gauges are simple tools used by industrial manufacturers to control various dimensions of products (such as hole diameter, space dimensions, etc.), improve production efficiency and control quality. They are suitable for mass-produced products such as automotive parts to replace professional measuring tools such as smooth plug gauges, thread plug gauges, and outside diameter caliper gauges.

[0003] The existing patent with publication number CN220230404U proposes a base, wherein a first vertical plate is fixedly installed on the top of the base, a clamp is movably installed in the middle of the first vertical plate, a shaft rod is movably penetrated inside the clamp, a driven gear is fixedly installed on one side of the clamp, and a second vertical plate movably penetrated by the shaft rod is fixedly installed on the top of the base and on the side of the first vertical plate away from the clamp. The calibration mechanism of the automobile parts inspection fixture drives the shaft rod to move through the cylinder, so that the fixture is opened inside the wheel hub, the wheel hub is clamped, the motor is started, the fixture rotates with the wheel hub, and the probe of the dial indicator passes over the surface of the wheel hub to measure whether the eccentricity of the wheel hub is qualified.

[0004] Although the calibration mechanism can inspect whether the wheel hub is qualified, it is not capable of performing installation inspection on wheel hubs of various sizes, which reduces the scope of application of the calibration mechanism, is not conducive to calibrating various automobile parts, and is not convenient for the use of the calibration mechanism. In view of the above problems, we propose an improvement and upgrade of the calibration mechanism of an automobile parts inspection fixture. Utility Model Content

[0005] The purpose of the utility model is to provide a calibration mechanism for an automobile component inspection fixture to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above problems, the following technical solutions are provided:

[0007] A calibration mechanism for an automobile parts inspection fixture is designed, comprising a workbench, a calibration platform is arranged on the upper end surface of the workbench, a first motor is arranged inside the calibration platform, a threaded rod is arranged at one end of the first motor, a movable plate is arranged on the outer wall of the threaded rod, and an installation box is arranged at the upper end of the movable plate, a support platform is arranged above the installation box, a fixed plate is arranged on the upper end surface of the support platform, a second motor is fixedly arranged on the upper end of the fixed plate, one end of the second motor is connected to a main gear, the main gear is meshedly connected to a driven gear, a guide rod is arranged inside the driven gear, and one end of the guide rod is connected to a connecting rod, and a clamping plate is fixedly arranged at one end of the connecting rod.

[0008] Further, the first motor is fixedly arranged on the calibration platform. The moving plate is in threaded connection with the threaded rod, and both sides of the moving plate are slidably connected inside the calibration platform.

[0009] Further, a protective cover is arranged outside the installation box, and a second motor is fixedly installed inside the protective cover. One end of the second motor is fixedly connected with a screw rod. A moving seat is in threaded connection with the outer wall of the screw rod, and a support platform is installed on the upper end surface of the moving seat.

[0010] Further, mounting brackets are installed on both sides of the workbench. A cylinder is installed in the middle of the mounting brackets. One end of the cylinder is fixedly installed with a first motor, and a positioning rod is fixedly arranged at the output end of the first motor.

[0011] Further, six guiding grooves are formed inside the driven gear. The number of guiding rods is six, and the guiding rods are movably connected inside the guiding grooves. The guiding rods are fixedly connected with the connecting rod.

[0012] Further, a limiting disc is arranged above the fixed plate. A limiting groove is formed inside the limiting disc. The connecting rod is slidably connected to the limiting groove. Two support frames are symmetrically arranged on both sides of the upper end surface of the support platform. Detection rods are arranged at one ends of the two support frames, and detection instruments are fixedly arranged on the outer walls of the support frames.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. Components such as a second motor, a main gear, a driven gear, a guiding rod, a connecting rod, and a clamping plate are arranged inside the device of the present utility model. By driving the second motor to drive the main gear to rotate, then the main gear meshes with the six guiding rods inside the driven gear to rotate inside the guiding grooves, so that the six guiding rods drive the clamping plate on the connecting rod to slide and cooperate on the limiting groove formed in the limiting disc, so as to drive the clamping plate to move outwards, and automobile wheels of different sizes can be placed and detected, which is beneficial to improving the applicable range of the calibration mechanism, is convenient to use, and has a simple structure.

[0015] 2. Components such as a first motor, a threaded rod, a screw rod, an installation box, a moving plate, a moving seat, and a support platform are arranged inside the device of the present utility model. By driving the first motor to drive the moving plate on the outer wall of the threaded rod to move back and forth, and then driving the second motor to drive the support platform above the moving seat on the outer wall of the screw rod to move left and right, when the automobile wheel is moved to be aligned with the positioning rod above, it is beneficial to improve the precise docking of the automobile wheel and the positioning rod, and is convenient to improve the detection accuracy.

[0016] With reference to the following description and the accompanying drawings, specific embodiments of the present utility model are disclosed in detail, indicating the ways in which the principles of the present utility model can be employed. It should be understood that the embodiments of the present utility model are not limited thereby in scope. Within the spirit and terms of the appended claims, the embodiments of the present utility model include many variations, modifications, and equivalents. Description of the Drawings

[0017] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0018] Figure 1 is a schematic diagram of the overall structure of a calibration mechanism for an automobile part inspection fixture of the present utility model;

[0019] Figure 2 is a schematic diagram of a partial split structure at the rear side of a calibration mechanism for an automobile part inspection fixture of the present utility model;

[0020] Figure 3 is Figure 1 a schematic diagram of a partial enlarged structure at position

[0021] Figure 4 is Figure 3 a schematic diagram of a split structure at position

[0022] Figure 5 is Figure 1 a schematic diagram of a partial split structure at position

[0023] In the figure: 1, workbench; 2, mounting rack; 3, cylinder; 4, calibration platform; 5, mounting box; 6, fixing plate; 7, first motor; 8, positioning rod; 9, support frame; 10, support table; 11, detection instrument; 12, detection rod; 13, clamping plate; 14, second motor; 15, main gear; 16, driven gear; 17, guide groove; 18, guide rod; 19, limit disc; 20, limit groove; 21, connecting rod; 22, screw; 23, first electric motor; 24, threaded rod; 25, moving plate; 26, second electric motor; 27, moving seat. Detailed Embodiments

[0024] To make the technical means, creative features, achieved purposes, and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] As Figure 1 - Figure 5As shown in the figure, the calibration mechanism of an automotive part inspection fixture provided in this embodiment includes a workbench 1. A calibration platform 4 is arranged on the upper end surface of the workbench 1, and a first motor 23 is arranged inside the calibration platform 4. One end of the first motor 23 is provided with a threaded rod 24. A moving plate 25 is arranged on the outer wall of the threaded rod 24, and an installation box 5 is arranged on the upper end of the moving plate 25. A support platform 10 is arranged above the installation box 5. A fixing plate 6 is arranged on the upper end surface of the support platform 10. A second motor 14 is fixedly arranged on the upper end of the fixing plate 6. One end of the second motor 14 is connected with a main gear 15. The main gear 15 is meshed and connected with a driven gear 16. A guide rod 18 is arranged inside the driven gear 16, and one end of the guide rod 18 is connected to a connecting rod 21. A clamping plate 13 is fixedly arranged at one end of the connecting rod 21.

[0026] Preferably, the first motor 23 is fixedly arranged on the calibration platform 4. The moving plate 25 is in threaded connection with the threaded rod 24, and both sides of the moving plate 25 are slidably connected inside the calibration platform 4, which is convenient for driving the installation box 5 to move back and forth. A protective cover is arranged outside the installation box 5, and a second motor 26 is fixedly installed inside the protective cover. One end of the second motor 26 is fixedly connected with a screw rod 22. A moving seat 27 is in threaded connection with the outer wall of the screw rod 22, and the support platform 10 is installed on the upper end surface of the moving seat 27, which is convenient for driving the automotive wheel hub on the support platform 10 to move left and right.

[0027] Preferably, installation frames 2 are installed on both sides of the workbench 1. A cylinder 3 is installed in the middle of the installation frames 2. One end of the cylinder 3 is fixedly installed with a first motor 7. A positioning rod 8 is fixedly arranged at the output end of the first motor 7, which is convenient for the first motor 7 to drive the automotive wheel hub at one end of the positioning rod 8 to rotate for detection and accelerate its rotation speed. Six guide grooves 17 are opened inside the driven gear 16. The number of the guide rods 18 is six, and the guide rods 18 are movably connected inside the guide grooves 17. The guide rods 18 are fixedly connected with the connecting rod 21, which is convenient for the guide rods 18 to drive the clamping plate 13 at one end of the connecting rod 21 to move, facilitating the placement of automotive wheel hubs of different sizes. A limit disc 19 is arranged above the fixing plate 6. A limit groove 20 is opened inside the limit disc 19. The connecting rod 21 is slidably connected on the limit groove 20. Two support frames 9 are symmetrically arranged on both sides of the upper end surface of the support platform 10. Detection rods 12 are arranged at one end of both support frames 9, and detection instruments 11 are fixedly arranged on the outer walls of the support frames 9, which is convenient for detecting whether the eccentricity of the automotive wheel hub is qualified by using the detection instruments 11 when the automotive wheel hub is rotating.

[0028] The working principle and process of the present utility model are as follows: First, drive the second motor 14 to drive the main gear 15 to rotate. Then, the main gear 15 meshes with six guide rods 18 inside the driven gear 16 to rotate inside the guide groove 17, so that the six guide rods 18 drive the clamping plate 13 on the connecting rod 21 to slide and fit on the limit groove 20 opened on the limit disk 19, driving the clamping plate 13 to move outwards. At this time, the staff can place the automobile wheel hub on the insertion rod on the limit disk 19 to perform placement detection on automobile wheel hubs of different sizes. Drive the first motor 23 to drive the moving plate 25 on the outer wall of the threaded rod 24 to move back and forth. Then, the second motor 26 drives the moving seat 27 on the outer wall of the screw rod 22 to move the support platform 10 left and right. When the automobile wheel hub is moved to be accurately aligned with the upper positioning rod 8, at this time, drive the cylinder 3 to connect with the positioning rod 8 at one end of the first motor 7, connect to the external power supply, and the first motor 7 drives the automobile wheel hub fixed by the positioning rod 8 to rotate. Use the detection rod 12 on the support frame 9 to perform detection and calibration on it. The staff can judge whether the detection of the automobile wheel hub is qualified from the data display on the detection instrument 11.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, terms such as "installation", "provided with", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0030] In the description of this embodiment, the orientation or positional relationship terms such as "upper", "lower", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

Claims

1. A calibration mechanism for an automobile parts inspection fixture, characterized in that: The invention comprises a workbench (1), wherein a calibration platform (4) is arranged on the upper end surface of the workbench (1), and a first motor (23) is arranged inside the calibration platform (4), a threaded rod (24) is arranged at one end of the first motor (23), a movable plate (25) is arranged on the outer wall of the threaded rod (24), and a mounting box (5) is arranged at the upper end of the movable plate (25), a support platform (10) is arranged above the mounting box (5), a fixed plate (6) is arranged on the upper end surface of the support platform (10), a second motor (14) is fixedly arranged at the upper end of the fixed plate (6), one end of the second motor (14) is connected to a main gear (15), the main gear (15) is meshingly connected to a driven gear (16), a guide rod (18) is arranged inside the driven gear (16), and one end of the guide rod (18) is connected to a connecting rod (21), and a clamping plate (13) is fixedly arranged at one end of the connecting rod (21).

2. The calibration mechanism of an automobile parts inspection fixture according to claim 1, characterized in that: The first motor (23) is fixedly arranged on the calibration platform (4), the movable plate (25) and the threaded rod (24) are threadedly connected, and both sides of the movable plate (25) are slidably connected inside the calibration platform (4).

3. The calibration mechanism of an automobile parts inspection fixture according to claim 1, characterized in that: A protective cover is arranged on the outside of the installation box (5) and a second motor (26) is fixedly installed inside the protective cover; one end of the second motor (26) is fixedly connected to a screw rod (22); the outer wall of the screw rod (22) is threadedly connected to a moving seat (27) and a support platform (10) is installed on the upper end surface of the moving seat (27).

4. The calibration mechanism of an automobile parts inspection fixture according to claim 1, characterized in that: Mounting frames (2) are installed on both sides of the workbench (1), a cylinder (3) is installed in the middle of the mounting frame (2), a first motor (7) is fixedly installed at one end of the cylinder (3), and a positioning rod (8) is fixedly provided at the output end of the first motor (7).

5. The calibration mechanism of an automobile parts inspection fixture according to claim 1, characterized in that: Six guide grooves (17) are provided inside the driven gear (16), six guide rods (18) are provided and the guide rods (18) are movably connected inside the guide grooves (17), and the guide rods (18) and the connecting rods (21) are fixedly connected.

6. The calibration mechanism of an automobile parts inspection fixture according to claim 1, characterized in that: A limiting plate (19) is arranged above the fixing plate (6), a limiting groove (20) is provided inside the limiting plate (19), the connecting rod (21) is slidably connected to the limiting groove (20), two supporting frames (9) are symmetrically arranged on both sides of the upper end surface of the supporting platform (10), one end of each of the two supporting frames (9) is provided with a detection rod (12), and a detection instrument (11) is fixedly arranged on the outer wall of the supporting frame (9).

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