Universal wheel hub threaded hole go-no go gauge three-hole four-hole detection mechanism

Abstract

The utility model relates to the technical field of wheel hub detection, and discloses a universal wheel hub threaded hole go-no go gauge three-hole four-hole detection mechanism, which comprises a fixed support, a lifting cylinder is fixedly arranged at the top of the fixed support, a movable frame is fixedly arranged at the tail end of a piston rod of the lifting cylinder, and a speed reduction motor is fixedly arranged at the top of the movable frame. Four inner and outer hexagonal rods are arranged in the moving frame, a gear synchronous transmission set is rotationally arranged at the top of the moving frame through a plurality of rotating shafts, and four thread go gauges are arranged at the bottom of the moving frame. The two ends of the inner and outer hexagonal rod are rotationally connected with one end of the gear synchronous transmission set and one end of the thread go gauge through universal joints. The roller threaded hole detection device can automatically detect the roller threaded hole, is faster and more accurate than manual detection, can correspond to products of different specifications (product sizes / threaded hole sizes / threaded hole positions), and improves the practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub detection, in particular to a three-hole and four-hole detection mechanism for a universal wheel hub threaded hole go / no-go gauge. Background Art

[0002] The wheel hub is one of the important parts supporting the car, and the wheel hub threaded hole is a part directly connected to the car's crossbeam. Its position will have a great impact on the force of the threaded connection and is directly related to driving safety. Therefore, the detection of the wheel hub threaded hole is particularly important.

[0003] At present, when inspecting the three-hole and four-hole positions of the wheel hub, each hole needs to be inspected manually step by step. The inspection process is complicated and the cycle is long, resulting in low inspection efficiency. Therefore, a universal wheel hub threaded hole pass / no-go gauge three-hole and four-hole inspection mechanism is proposed. Utility Model Content

[0004] The utility model aims to solve the problem of low efficiency in detecting the threaded holes of a hub in the prior art, and proposes a universal three-hole and four-hole detection mechanism for the threaded holes of a hub.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A universal wheel hub threaded hole go / no-go gauge three-hole and four-hole detection mechanism comprises a fixed bracket, a lifting cylinder is fixedly provided on the top of the fixed bracket, a moving bracket is fixedly provided at the end of the piston rod of the lifting cylinder, a reduction motor is fixedly provided on the top of the moving bracket, four inner and outer hexagonal bars are arranged inside the moving bracket, a gear synchronous transmission group is rotatably arranged on the top of the moving bracket through multiple rotating shafts, four thread go / no-go gauges are arranged at the bottom of the moving bracket, and both ends of the inner and outer hexagonal bars are rotatably connected to one end of the gear synchronous transmission group and one end of the thread go / no-go gauge through a universal joint.

[0007] Preferably, the upper end of the thread gauge extends to the outside of the movable frame and is provided with an XY direction adjustment fixing block.

[0008] Preferably, a buffer spring is provided between the upper end of the thread gauge and the bottom of the movable frame.

[0009] Preferably, the reduction motor is a servo motor.

[0010] Preferably, two slide rails are symmetrically fixed on the side wall of the fixed bracket, and the side wall of the movable bracket is slidably connected to the slide rails.

[0011] Preferably, a product detection sensor is fixedly mounted on the bottom of the side wall of the fixed bracket.

[0012] Compared with the prior art, the utility model provides a universal hub threaded hole go / no-go gauge three-hole and four-hole detection mechanism, which has the following beneficial effects:

[0013] The universal wheel hub threaded hole through-and-through gauge three-hole and four-hole detection mechanism is equipped with a lifting cylinder and a reduction motor. After the wheel hub product is moved into place, the lifting cylinder begins to extend, so that the inner and outer hexagonal bars and the thread gauge on the mobile frame move down synchronously. The reduction motor is first controlled to rotate in the reverse direction, and the reduction motor drives the inner and outer hexagonal bars and the thread gauge to rotate in the reverse direction and guide them through the gear synchronous transmission group. Then the reduction motor is controlled to rotate forward, and the reduction motor feeds back the real-time torque. The torque upper and lower limits are set in the parameters. If the upper or lower limit is exceeded, the threaded hole is judged to be unqualified, and if it is not exceeded, it is judged to be qualified. The reduction motor reverses to withdraw the thread gauge from the threaded hole, and the lifting cylinder retracts and drives the mobile frame to rise. OK / NG is judged based on whether the feedback torque value exceeds the upper and lower limits.

[0014] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model can automatically detect the roller threaded holes, which is faster and more accurate than manual detection. At the same time, it can correspond to products of different specifications (product size / threaded hole size / threaded hole position), and the practicality is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a three-hole and four-hole detection mechanism of a universal hub threaded hole go / no-go gauge proposed by the utility model;

[0016] Figure 2 for Figure 1 A magnified view of the structure of part A in the middle.

[0017] In the figure: 1. Fixed bracket; 2. Lifting cylinder; 3. Moving bracket; 4. Reducer motor; 5. Internal and external hexagonal bars; 6. Gear synchronous transmission group; 7. Thread gauge; 8. Universal joint; 9. XY direction adjustment fixed block; 10. Buffer spring; 11. Slide rail; 12. Product detection sensor. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0020] Reference Figure 1-2 The invention discloses a universal hub threaded hole through-and-no-go gauge three-hole and four-hole detection mechanism, comprising a fixed bracket 1, a lifting cylinder 2 is fixedly arranged on the top of the fixed bracket 1, a moving bracket 3 is fixedly arranged on the end of the piston rod of the lifting cylinder 2, a reduction motor 4 is fixedly arranged on the top of the moving bracket 3, and the reduction motor 4 adopts a servo motor. Four inner and outer hexagonal rods 5 are arranged inside the moving bracket 3, a gear synchronous transmission group 6 is arranged on the top of the moving bracket 3 through multiple rotating shafts, four thread through gauges 7 are arranged at the bottom of the moving bracket 3, both ends of the inner and outer hexagonal rods 5 are rotationally connected with one end of the gear synchronous transmission group 6 and one end of the thread through gauge 7 through universal joints 8, the upper end of the thread through gauge 7 extends to the outside of the moving bracket 3 and is provided with an XY direction adjustment fixed block 9, which is adjusted by the XY direction. The XY direction position of the thread gauge 7 can be adjusted arbitrarily by adjusting the fixed block 9; after the wheel hub product is moved into place, the lifting cylinder 2 begins to extend, so that the inner and outer hexagonal bars 5 and the thread gauge 7 on the movable frame 3 move downward synchronously, and the reduction motor 4 is controlled to rotate in the opposite direction first. The reduction motor 4 drives the inner and outer hexagonal bars 5 and the thread gauge 7 to rotate in the opposite direction and guide them through the gear synchronous transmission group 6, and then the reduction motor 4 is controlled to rotate forward. The reduction motor 4 feeds back the real-time torque. The torque upper and lower limits are set in the parameters. If the upper or lower limit is exceeded, the threaded hole is judged to be unqualified, and if it is not exceeded, it is judged to be qualified. The reduction motor 4 reverses to withdraw the thread gauge 7 from the threaded hole, and the lifting cylinder 2 retracts and drives the movable frame 3 to rise. OK / NG is judged based on whether the feedback torque value exceeds the upper and lower limits.

[0021] Reference Figure 1 A buffer spring 10 is arranged between the upper end of the thread gauge 7 and the bottom of the movable frame 3. The buffer spring 10 enables the thread gauge 7 to have the function of elastic expansion and contraction, which can avoid the thread gauge 7 from being damaged by collision and extend the service life of the thread gauge 7.

[0022] Reference Figure 1 The side wall of the fixed bracket 1 is symmetrically fixed with two slide rails 11, and the side wall of the movable frame 3 is slidably connected with the slide rails 11. When the movable frame 3 moves up and down, the movable frame 3 slides on the slide rails 11, thereby increasing the stability of the movement of the movable frame 3.

[0023] Reference Figure 1A product detection sensor 12 is fixedly installed at the bottom of the side wall of the fixed bracket 1. After the wheel hub product is moved into place, the position can be detected by the product detection sensor 12.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A universal hub threaded hole go / no-go gauge three-hole and four-hole detection mechanism, comprising a fixing bracket (1), characterized in that: A lifting cylinder (2) is fixedly provided on the top of the fixed bracket (1), a moving frame (3) is fixedly provided at the end of the piston rod of the lifting cylinder (2), a reduction motor (4) is fixedly provided on the top of the moving frame (3), four internal and external hexagonal rods (5) are provided inside the moving frame (3), a gear synchronous transmission group (6) is rotatably provided on the top of the moving frame (3) through a plurality of rotating shafts, four thread gauges (7) are provided on the bottom of the moving frame (3), and both ends of the internal and external hexagonal rods (5) are rotatably connected to one end of the gear synchronous transmission group (6) and one end of the thread gauge (7) through a universal joint (8).

2. The universal hub threaded hole go / no-go gauge three-hole and four-hole detection mechanism according to claim 1 is characterized in that: The upper end of the thread gauge (7) extends to the outside of the movable frame (3) and is provided with an XY direction adjustment fixed block (9).

3. The universal hub threaded hole go / no-go gauge three-hole and four-hole detection mechanism according to claim 1, characterized in that: A buffer spring (10) is arranged between the upper end of the thread gauge (7) and the bottom of the movable frame (3).

4. The universal hub threaded hole go / no-go gauge three-hole and four-hole detection mechanism according to claim 1, characterized in that: The reduction motor (4) is a servo motor.

5. The universal hub threaded hole go / no-go gauge three-hole and four-hole detection mechanism according to claim 1, characterized in that: Two slide rails (11) are symmetrically fixedly provided on the side wall of the fixed bracket (1), and the side wall of the movable bracket (3) is slidably connected to the slide rails (11).

6. The universal hub threaded hole go / no-go gauge three-hole and four-hole detection mechanism according to claim 1, characterized in that: A product detection sensor (12) is fixedly mounted on the bottom of the side wall of the fixed bracket (1).

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