CN210893682U - Soft floating gear meshing mechanism - Google Patents

Abstract

The utility model discloses a soft floating gear meshing mechanism, which comprises a base, a rotating shaft and a core shaft. The rotating shaft is installed on one side of the base through a rotating mechanism, and a standard gear is fixedly installed on the rotating shaft, which is used to drive the standard gear to rotate horizontally. The other side of the base is provided with a support platform, the support platform is slidably installed on the base through a horizontal drive mechanism, the support platform is provided with a bump and a floating platform, and the floating platform is movably installed on the support platform through the slide rail and the slider , the mandrel is installed on the floating table, the mandrel is used to fix the gear to be tested, the lower end of the floating table is provided with a top block, and a pressure sensor is installed in the top block; The spring assembly is used to drive the gear to be tested of the mandrel to softly mesh with the standard gear of the rotating shaft. The utility model has the advantages of simple structure, high measurement accuracy and convenient operation.

Description

Soft floating gear meshing mechanism

technical field

The utility model relates to a detection tool, in particular to a soft floating gear meshing mechanism.

Background technique

Gear transmission is the most important and widely used transmission form in mechanical transmission. It has the advantages of accurate transmission ratio, compact structure and high transmission efficiency. In order to ensure the safety and quality of vehicle gears, 100% measurement of finished gears is required. Therefore, in the process of gear manufacturing, testing equipment is required to test different processing stages to meet the requirements of craftsmanship and drawings. Gear meshing instrument is a common testing equipment used to detect various parameters of gears. The existing gear meshing instrument adopts pneumatic linear feed, and it is necessary to manually adjust the gear meshing direction to prevent meshing failure, resulting in the phenomenon of tooth tip to tooth tip. However, this method is cumbersome to operate, not only labor-intensive, low-efficiency, but also manual detection and low-accuracy.

SUMMARY OF THE INVENTION

The purpose of the utility model is to overcome the defects of the prior art and provide a soft floating gear meshing mechanism with high measurement accuracy, convenient operation and reduced cost.

The technical problem that the utility model is required to solve can be realized through the following technical solutions:

A soft floating gear meshing mechanism includes a base, a rotating shaft and a mandrel, the rotating shaft is installed on one side of the base through a rotating mechanism, and a standard gear is fixedly installed on the rotating shaft to drive the standard gear to rotate horizontally The other side of the base is provided with a support platform, the support platform is slidably installed on the base through a horizontal drive mechanism, the support platform is provided with a bump and a floating platform, and the floating platform is provided with sliding rails and sliders. It is movably installed on the support platform, the mandrel is installed on the floating table, the mandrel is used for fixedly installing the gear to be tested, the lower end of the floating table is provided with a top block, which is installed in the top block There is a pressure sensor; a spring assembly is arranged between the protruding block and the top block of the floating table, which is used to drive the gear to be tested of the mandrel to engage softly with the standard gear of the rotating shaft.

Further, the rotating mechanism includes a rotating electrical machine, the output shaft of the rotating electrical machine is vertically upward, the rotating shaft is mounted on the output shaft of the rotating electrical machine through a coupling, and the rotating electrical machine is a servo motor.

Further, the rotating shaft is provided with a positioning platform for gear positioning, the upper end face of the rotating shaft is provided with threaded holes, the standard gear is sleeved on the rotating shaft, and the marking gear is fixed and installed through the top cover and the bolt. on the shaft.

Further, a washer is also provided between the standard gear and the positioning platform of the rotating shaft.

Further, the horizontal drive mechanism includes a ball screw, a guide rail, a guide block and a drive motor, a screw nut is sleeved on the ball screw, the support platform is fixedly installed on the screw nut, and the guide rail is installed On the base, the guide block is slidably matched with the guide rail, and the drive motor drives the ball screw to rotate, thereby driving the support platform to move horizontally.

Further, the drive motor is arranged on the lower end surface of the base, and the drive motor is connected to the ball screw through the cooperation of a driving synchronous pulley, a driven synchronous pulley and a synchronous belt.

Further, the drive motor is a servo motor.

Further, the spring assembly includes a spring pin and a spring sleeved on the spring pin, the protrusion is provided with a through hole for installing the spring pin, and the spring pin is installed in the through hole of the protrusion, so One end of the spring is abutted on the protruding block, and the other end is abutted on the pressure sensor of the top block.

Further, the spring pin has a T-shaped structure.

Further, the mandrel is fixedly installed on the floating table through the support seat and the bolt.

Due to the adoption of the above technical solutions, the beneficial effects of the present invention are as follows: the structure of the present invention is simple. The horizontally moving support platform drives the spring assembly to compress, thereby using the spring assembly to push the floating table, so that the gear to be tested meshes with the standard gear of the rotating shaft; because the force of the spring assembly acts on the pressure sensor of the top block at the same time, through the pressure The sensor detects whether the force after compression of the spring exceeds the set range, so as to automatically judge the meshing state of the standard gear and the gear to be measured. Once it is judged that the gear meshing fails, it will automatically retreat, adjust the shaft and then re-engage. The whole detection process not only saves manpower, but also improves the detection accuracy.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a perspective view of the utility model.

In the figure: 1 is the base, 2 is the rotating shaft, 3 is the mandrel, 4 is the rotating motor, 5 is the standard gear, 6 is the top cover, 7 is the washer, 8 is the support platform, 9 is the pressure sensor, and 10 is the horizontal drive mechanism , 10-1 is the drive motor, 11 is the bump, 12 is the spring assembly, 13 is the floating table, 14 is the slide rail, 15 is the slider, 16 is the top block, and 17 is the gear to be tested.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present invention, but should not be construed as a limitation of the present invention.

1 to 2, a soft floating gear meshing mechanism includes a base 1, a rotating shaft 2 and a mandrel 3. The rotating shaft 2 is installed on one side of the base 1 through a rotating mechanism. In this specific embodiment , the rotary mechanism includes a rotary motor 4, the rotary motor 4 is installed on the base 1 through a motor seat, the output shaft of the rotary motor 4 is vertically upward, and the rotary shaft 2 is installed on the rotary motor 4 through a coupling On the output shaft, the rotary motor 4 is a servo motor. A standard gear 5 is fixedly installed on the rotating shaft 2 for driving the standard gear to rotate horizontally. In this specific embodiment, the rotating shaft 2 is provided with a positioning step for gear positioning, the upper end surface of the rotating shaft 2 is provided with threaded holes, the standard gear 5 and the top cover 6 are sequentially sleeved on the rotating shaft 2, so The marking gear is fixedly installed on the rotating shaft through the top cover and the bolt. Further, a washer 7 is further provided between the standard gear 5 and the positioning platform of the rotating shaft 2 , and the friction force between the standard gear and the positioning platform of the rotating shaft is reduced by the washer 7 .

The other side of the base 1 is provided with a support platform 8, and the support platform 8 is slidably mounted on the base 1 through a horizontal drive mechanism 10. In this specific embodiment, the horizontal drive mechanism 10 includes a ball screw, a guide rail, Guide block, drive motor 10-1, active synchronous pulley, driven synchronous pulley and synchronous belt, the ball screw is installed on the upper end face of the base 1 through the screw seat, and the ball screw is sleeved with a wire Rod nut, the support platform 8 is fixedly installed on the screw nut, the guide rail is installed on the base, the guide block is slidably matched with the guide rail, the guide block is installed on the support platform, and the lower end of the base is provided with a motor installation The drive motor 10-1 is fixedly installed on the drive motor mounting seat on the lower end face of the base, the drive motor is a servo motor, and the drive motor passes through the active synchronous pulley, the driven synchronous pulley and the synchronous belt. The drive motor drives the ball screw to rotate, thereby driving the support platform to move horizontally.

The support platform 8 is provided with a bump 11 and a floating table 13, the bump 11 is located at one end of the support platform, the floating stage 13 is slidably installed on the support platform 8 through the slide rail 14 and the slider 15, and the floating stage 13 slides on the support platform 8, the mandrel 3 is installed on the floating table 13, the mandrel 3 is used to fix the gear 17 to be measured, and the lower end of the floating table 13 is provided with a top block 16, so A pressure sensor 9 is installed in the top block 16; a spring assembly 12 is arranged between the convex block 11 and the top block 16 of the floating table 13, and the spring assembly is driven by the horizontal movement of the supporting platform, thereby driving the mandrel to be tested The gears are softly meshed with the standard gears of the rotating shaft. In this specific embodiment, the mandrel 3 is fixedly installed on the floating table 13 through the cooperation of the support seat and the bolt. The spring assembly 12 includes a spring pin and a spring sleeved on the spring pin. The spring pin has a T-shaped structure. The projection 11 is provided with a through hole for installing the spring pin, and the spring pin is movably installed on the In the through hole of the bump 11 , one end of the spring abuts on the bump 11 , and the other end abuts on the pressure sensor 9 of the top block 16 .

The working principle of the present utility model:

The servo motor of the horizontal drive mechanism drives the support platform to move horizontally, and the spring assembly on the support platform drives the floating table and the gear to be tested on the floating table to move horizontally, thereby controlling the feeding route of the gear to be tested. During the meshing process of the gear to be tested and the standard gear, if the gear to be tested fails to mesh with the standard gear, the spring expansion and contraction amount of the spring assembly between the floating table and the bump changes accordingly, and the feedback acts on the pressure sensor. Therefore, the meshing state between the gear to be tested and the standard gear can be judged according to the encoder values of the two servo motors and the output value of the pressure sensor, and the pressure is judged at the calibration position. If the set threshold is exceeded, it is the phenomenon of tooth tip to tooth tip , meshing failed. The servo motor of the horizontal drive mechanism stops working, the floating table and the gear to be tested retreat, and then the standard gear on the rotating shaft is driven by the servo motor of the rotating mechanism to rotate the set angle. After adjusting the angle of the standard gear, start the horizontal drive mechanism. Servo motor re-engages.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (10)

1. A soft floating gear meshing mechanism, comprising a base, a rotating shaft and a mandrel, is characterized in that: the rotating shaft is installed on one side of the base by a rotating mechanism, and a standard gear is fixedly installed on the rotating shaft to drive the The standard gear rotates horizontally; the other side of the base is provided with a support platform, the support platform is slidably mounted on the base through a horizontal drive mechanism, the support platform is provided with a bump and a floating table, the floating table It is movably installed on the support platform through the slide rail and the slider, the mandrel is installed on the floating table, the mandrel is used for fixedly installing the gear to be tested, and the lower end of the floating table is provided with a top block, A pressure sensor is installed in the top block; a spring assembly is arranged between the protruding block and the top block of the floating table, which is used to drive the gear to be tested of the mandrel to engage softly with the standard gear of the rotating shaft. 2 . The soft floating gear meshing mechanism according to claim 1 , wherein the rotating mechanism comprises a rotating electrical machine, the output shaft of the rotating electrical machine is vertically upward, and the rotating shaft is installed at the output of the rotating electrical machine through a coupling. 3 . On the shaft, the rotating motor is a servo motor. 3. The soft floating gear meshing mechanism according to claim 1 or 2, wherein the rotating shaft is provided with a positioning platform for gear positioning, the upper end face of the rotating shaft is provided with threaded holes, and the standard gear is sleeved On the rotating shaft, the standard gear is fixedly mounted on the rotating shaft through the cooperation of the top cover and the bolt. 4 . The soft floating gear meshing mechanism according to claim 3 , wherein a washer is further provided between the standard gear and the positioning platform of the rotating shaft. 5 . 5. The soft floating gear meshing mechanism according to claim 1, wherein the horizontal driving mechanism comprises a ball screw, a guide rail, a guide block and a driving motor, and a screw nut is sleeved on the ball screw, so that the The support platform is fixedly installed on the screw nut, the guide rail is installed on the base, the guide block is slidably matched with the guide rail, and the drive motor is used to drive the ball screw to rotate, thereby driving the support platform to move horizontally . 6 . The soft floating gear meshing mechanism according to claim 5 , wherein the drive motor is arranged on the lower end face of the base, and the drive motor is connected to the drive synchronous pulley, the driven synchronous pulley and the synchronous belt. 7 . The mating is connected with the ball screw. 7. The soft floating gear meshing mechanism according to claim 5 or 6, wherein the drive motor is a servo motor. 8 . The soft floating gear meshing mechanism according to claim 1 , wherein the spring assembly comprises a spring pin and a spring sleeved on the spring pin, and the protrusion is provided with a through hole for installing the spring pin. 9 . The spring pin is installed in the through hole of the protruding block, one end of the spring abuts on the protruding block, and the other end abuts on the pressure sensor of the top block. 9 . The soft floating gear meshing mechanism according to claim 8 , wherein the spring pin has a T-shaped structure. 10 . 10 . The soft floating gear meshing mechanism according to claim 1 , wherein the mandrel is fixedly mounted on the floating table through the cooperation of a support seat and a bolt. 11 .

Images