TWM577942U - Fast meshing measuring equipment for gear dual tooth flank - Google Patents

Abstract

A double-toothed belly gear measuring device capable of quickly changing gears and measuring, for measuring a central distance change of a standard gear 91 and a to-be-measured gear 92 meshing with each other, the gear measuring device 10 is a cast iron base 11 and a screw 162 The nut holder 163, the stepping motor 12, the taper shaft 24, the ball 35, the detecting mechanism 30, the fixed transmission mechanism 20, the tension spring 34, the magnet 22, the motor controller 40, and the displacement sensor 41 are composed. The sliding surface of the cast iron base 11 of the gear measuring device 10 is polished; the cast iron base 11 is disposed on the fixed transmission mechanism 20 and the detecting mechanism 30; the fixed transmission mechanism 20 has a long taper shaft 24 connected to the standard gear The 91 is placed and rotated by a stepper motor 12; the stepper motor 12 is disposed on the cast iron base to control the rotational speed by the motor controller 40. The detecting mechanism comprises a detecting mechanism upper slider 32 and a detecting mechanism lower sliding block 31 and is disposed on the cast iron base 11. The detecting mechanism upper slider 32 has a short taper rotating shaft 39 for connecting the gear to be tested 92, and the detecting mechanism lower sliding block 31 is connected to the cast iron base 11 by a nut seat 163 and a screw 162, and the sliding mechanism of the detecting mechanism upper slider 32 and the lower sliding block 31 of the detecting mechanism is linearly slid by the ball 35 with the double linear V-shaped groove, and the upper and lower sliders of the detecting mechanism are used. Tension springs 34 are coupled and provide radial pressure to form a low cost double toothed belt measuring device that can quickly change gears. Thereby, the user can easily and quickly perform gear measurement in the measurement process with simple structure and simple operation, and the user can adjust the appropriate equipment measurement parameters according to the specifications of the gear to be tested, and quickly and verify the gear meshing. Whether the accuracy meets the standard.

Description

Gear double flank fast meshing measuring device

The novel creation system relates to a gear measuring device, in particular to a measuring condition for adjusting a device according to a user's desire to measure a gear, the device can quickly change gears and reduce the measuring time, and is suitable for low cost for general merchants. Gear measuring equipment.

Gears are the most widely used mechanical components today. However, due to the special gear structure, it is particularly difficult to measure. At the same time, the high cost of measuring equipment on the market, the gear measurement technology is not popular. Today's gear measurement methods are mainly divided into three-dimensional measurement method, rotational measurement method, and non-contact measurement method. The rotation measurement method is the main measurement method of the current gear. The measurement method determines the accuracy and eccentricity of the gear to be tested by the rotational meshing between the standard gear and the gear to be tested, and measuring the variation of the center distance of the two gears. Therefore, the meshing rotation and the center-to-center sliding between the standard gear and the gear to be tested in the measuring method have very important meanings in the measuring device.

At present, the gear measuring equipment on the market contains a large number of precision sensors and precision slide rails, which causes the price to be unsatisfactory. At the same time, the measurement process is stable, and the measuring equipment must be placed in the constant temperature and humidity chamber. As a result, gear measurement technology and its knowledge cannot be popularized. At present, most of the gear measuring devices available on the market have problems such as bulky body, difficult maintenance, numerous parts, complicated assembly and disassembly steps, and high price. The general gear industry often re-plans the introduction of measuring equipment, subject to In the constant temperature and humidity room, talent cultivation, technology introduction and other early investment, the manual measurement method is used to carry out the gear inspection. This method of manual measurement and judgment is more time-consuming and laborious, and may also be The quality accuracy is inconsistent due to different inspection personnel. Therefore, the present invention further designs the principle of the double-toothed belly gear measurement through a simple mechanism, and provides a low-cost and adjustable speed, pressure function and operation for the purpose of using a small number of sensors and quick and convenient operation. The design of a portable gear measuring device that is simple and easy to carry is expected to provide a concept for the gear industry to accept and introduce gear measurement and improve gear machining accuracy.

The novel gear measuring device 10 is adapted to inspect a gear 92 to be tested with a standard gear 91. The gear measuring device 10 comprises a cast iron base 11, a fixed transmission mechanism 20 and a detecting mechanism 30. The cast iron base 11 comprises a stepping motor providing groove, connecting the wire groove and the polishing sliding surface, and the whole body is cast by ductile iron to provide shock absorption, wear resistance, corrosion resistance and the like. The fixed transmission mechanism 20 is disposed on the sliding surface of the cast iron base with a magnet and a linear groove, and is connected with a bearing 23 to connect the long taper shaft 24, and the bottom of the long taper shaft 24 is coupled to the idler 14 and is connected through the timing belt 13 Into the motor 12, the long taper shaft 24 is tapered to facilitate the removal of the gear unit while correcting the center of the circle. The fixed transmission mechanism 20 is for providing the standard gear 91 to be placed, and the motor controller 40 adjusts the rotation speed to drive the displacement of the detecting mechanism 30 after the rotation of the gear 92 to be tested. The detecting mechanism 30 is disposed on the other side of the sliding surface of the cast iron base 11, and includes a linear screw set 16 mounted on the cast iron base, a detecting mechanism 30 mounted on the linear displacement screw 162, and a displacement mounted on the detecting mechanism 30. The sensor 41 is used to measure the change in the displacement of the detecting mechanism. The linear screw set 16 is manually driven by a rotating wheel 164 to displace the detecting mechanism, and is mainly adjusted according to the specification of the gear 92 to be tested and the center distance of the fixed transmission mechanism 20, and the detecting mechanism 30 is above and below. The slider is composed of two parts, and the lower sliding block 31 of the detecting mechanism is mounted on the displacement screw set 16 by a hexagonal screw 37. A sensor fixture 33 is mounted behind the lower sliding block 31 of the detecting mechanism, and the displacement sensor 41 is installed, and the detecting mechanism slides. The block 31 is inlaid with a bearing 23 and connected with a short taper shaft 39 for providing the gear 92 to be tested. The double-straight V-groove is matched with the ball 35 for sliding fit between the upper and lower sliders, and is stretched bilaterally symmetrically. The spring element 34 restrains its position, and when the gear set 90 to be tested is engaged for engagement measurement, the slider 32 of the detecting mechanism can be linearly moved forward and backward elastically, and the meshing pressure is adjusted according to the specification of the gear.

The utility model has the advantages that the cast iron base, the fixed transmission mechanism and the detecting mechanism are designed, and the mechanism of the low cost and the simple structure can quickly replace the measuring gear, and adjust the measuring pressure and the rotating speed according to the demand, and the simple steps are adopted. Complete the inspection of the gear accuracy.

10‧‧‧Gear measuring equipment

11‧‧‧ cast iron base

12‧‧‧Stepper motor

13‧‧‧Time belt

14‧‧‧ idler 40 teeth

15‧‧‧Idle wheel 20 teeth

16‧‧‧Displacement screw set

161‧‧‧ screw seat

162‧‧‧ screw

163‧‧‧ nut seat

164‧‧‧runner

20‧‧‧Fixed transmission

21‧‧‧Fixed platform

22‧‧‧ magnet

23‧‧‧ Bearing

24‧‧‧Long taper shaft

30‧‧‧Test institutions

31‧‧‧Detector lower slider

32‧‧‧Detector mechanism slider

33‧‧‧Sensor fixture

34‧‧‧ stretching spring

35‧‧‧ balls

36‧‧‧Sensor Fixture Screws

37‧‧‧ Hexagon socket head cap screws

38‧‧‧Extension spring set screw

39‧‧‧ Short taper shaft

40‧‧‧Motor controller

41‧‧‧ Displacement Sensor

90‧‧‧Dog gear group to be tested

91‧‧‧Standard gear

92‧‧‧Down gears to be tested

The features and effects of the present invention will be presented with reference to the drawings, wherein: FIG. 1 is a front perspective view of the overall configuration of the gear measuring device of the present invention; FIG. 2 is a reverse perspective view of the overall configuration of the gear measuring device of the present invention; Is a perspective view of the fixed transmission mechanism of the novel gear measuring device; FIG. 4 is a perspective view of the detecting mechanism of the novel gear measuring device; FIG. 5 is an exploded view of the detecting mechanism of the novel gear measuring device;

In order to facilitate the understanding of the features of the novel design, an embodiment is provided herein and described below in conjunction with the drawings. Please refer to Figures 1 to 5 for illustration. The gear measuring device 10 is used to measure a gear group to be tested 90. The gear group 90 to be tested includes a standard gear 91 and a gear 92 to be tested that can mesh with the standard gear 91. The gear 91 and the gear to be tested 92 are respectively placed in the solid The transmission mechanism 20 and the two taper shafts 24, 39 of the detecting mechanism 30 are disposed. The main part of the gear measuring device 10 of the present design comprises a cast iron base 11, a fixed transmission mechanism 20, a detecting mechanism 30 and a displacement sensor 41. The structure and mutual relationship of the components are as follows.

The gear measuring device 10 is based on a cast iron cast iron base 11 as a whole structure, and the stepping motor 12 as a power source and the displacement screw set 16 are fixed on the cast iron base 11, wherein the cast iron base contains a groove for providing a motor. To provide motor positioning. The sliding plane of the cast iron base is polished, and the fixed transmission mechanism 20 and the detecting mechanism 30 are disposed on the sliding plane, thereby obtaining good contact sliding.

The fixed transmission mechanism 20 is a power source of the gear measuring device in this example for rotating the standard gear 91 while fixing the gear to one side of the cast iron base 11. The fixed transmission mechanism comprises a stepping motor 12, a motor controller 40, a fixed platform 21 and a long taper shaft 24, wherein the stepping motor 12 is sleeved with a 20-tooth idler 15 and transmitted through the timing belt 13 and the socket idle The long taper shaft 24 of the wheel 14 is driven. The fixed platform 21 is inlaid with a bearing 23 for providing the long taper shaft 24 to be placed and rotated. The end of the long taper shaft 24 penetrates and protrudes from the fixed platform 21, thereby splicing the 40-tooth idler 14 while the fixed platform 21 is mounted on the cast iron base by using the magnet 22 Positioning on 11. In addition, the use of the rivet between the magnet 22 and the fixed platform 21 is a necessary combination of the auxiliary properties.

In the present example, the detecting mechanism 30 is provided with an adjustment measuring gear pitch and pressure, and includes a displacement screw set 16, a detecting mechanism lower slider 31, a detecting mechanism upper slider 32, a displacement sensor 41, and a short taper rotating shaft 39. The gear 92 to be tested can be sleeved on the short taper shaft 39 and disposed on the slider 32 of the detecting mechanism. The displacement screw set 16 provides a linear movement of the sliding block, and the screw 162 is fixed to one side of the cast iron base 11 by two screw seats 161, and a nut seat 163 is assembled in the screw. Used to engage the slider and mount a wheel 164 at the end of the screw to provide rotation. The lower sliding block 31 of the detecting mechanism is placed on the sliding surface of the cast iron base 11 and is mounted on the nut seat 163 of the displacement screw set 16 by using the hexagon socket screw 37. The detecting mechanism lower slider 31 and the detecting mechanism upper slider 32 process a symmetrical double track. a V-shaped groove, and a ball 35 is placed in the groove to reduce the frictional resistance between the lower slider 31 of the detecting mechanism and the slider 32 of the detecting mechanism, and the tension spring positioning screw 38 which is symmetric with each other is mounted outside the sliding block, The tension spring 34 is mounted on the positioning screw, and a sensor fixture 33 is mounted on the rear of the slider 31 by the sensor fixture fixing screw 36 for mounting the displacement sensor 41 for measurement, and the detecting mechanism is slidable. The block 32 is inlaid with a bearing 23 to provide placement and rotation of the short taper shaft 39 while the rear contact displacement sensor 41 is used to measure the change in center displacement.

During operation, when the user wants to measure the tooth profile accuracy and the center offset of the gear, the user first needs to adjust the center pitch, and the gear set to be measured is placed on the two taper shafts 24, 39 respectively, according to the user. To measure the gear diameter of the measuring side, the horizontal distance between the standard gear 91 and the gear to be tested 92 is adjusted by the rotating wheel 164, so that the standard gear 91 and the gear to be tested 92 maintain the gear meshing and the meshing pressure between each other at an appropriate center distance. The meshing pressure between the gears can be calculated by the elongation of the tension spring 34. When the position adjustment is completed, the gear measurement can be started.

During the measurement operation, the user can adjust the rotation speed of the stepping motor 12 by using the motor controller 40. The rotation speed of the stepping motor 12 can be adjusted according to the specifications of the gear set 90 to be tested. When the motor passes through the 20-tooth idler 15 When the gauge belt 13 drives the standard gear 91 to rotate, the gear 92 to be tested will be synchronously rotated by the standard gear 91. When the gear 92 to be tested rotates, the slider 32 of the detecting mechanism may be caused by the deviation of the tooth shape and the center. A linear displacement is generated, and the displacement sensor 41 contacting the rear of the sliding block transmits the captured value to the computer, and the user can calculate the graph according to the value collected by the sensor. Judging the accuracy of the tooth profile of the gear 92 to be tested and the center deviation Transfer amount. The user can also repeat the above steps to perform the repeatability measurement accuracy of the gear, and at the same time, the bearing gear to be tested can be quickly replaced by the tension spring 34, and the energy-measured gear of the same specification can be measured. The whole measuring process has simple steps and easy operation, and the structure is simple and inexpensive, and the processing precision and center offset of the gear can be quickly measured, which is suitable for the general small and medium gear processing shop.

Therefore, the design of the new gear measuring device aims to provide a simple structural design, so that the store of small and medium gear processing can recognize the importance of gear precision inspection and improve the quality of domestic gears.

Claims (10)

A gear measuring device for measuring a combination of a standard gear and a gear to be tested, the gear combination needs to be intermeshing, the gear measuring device comprising: a cast iron base having a power source placement groove and a polishing sliding surface a fixed transmission mechanism, which is disposed on one side of the cast iron base, the fixed transmission mechanism includes a stepping motor, a fixed platform, a timing belt and an idler pulley, and a long taper shaft, and the stepping motor is connected to the motor controller to drive The long taper shaft rotates and drives the standard gear connected thereto to rotate; a detecting mechanism is disposed on the other side of the cast iron base, the detecting mechanism comprises a displacement screw set, a lower sliding block of the detecting mechanism, and a sliding mechanism of the detecting mechanism a block and a displacement sensor, the detecting mechanism is disposed on the sliding surface of the cast iron base through the displacement screw set, and the ball is linearly slid between the upper and lower sliding blocks of the detecting mechanism, and is joined by a tension spring, and the detecting mechanism has a taper shaft that rotates synchronously with the gear to be tested; the displacement screw set includes two screw seats, a screw, a nut seat and a runner. A gear measuring device according to claim 1, wherein the cast iron base has a power source mounting groove for mounting a stepping motor. The gear measuring device of claim 1, wherein the fixed transmission mechanism comprises a stepping motor and a fixed platform, and the stepping motor is connected to a motor controller to provide rotational power of the gear. The gear measuring device of claim 1, wherein the stepping motor connects the standard gear and the long taper shaft with a set of idler pulleys, and the fixed platform is mounted with a bearing to connect the standard gear with the long Taper shaft. The gear measuring device according to claim 1, wherein the detecting mechanism comprises a displacement screw set, a detecting mechanism lower slider, a detecting mechanism upper slider, and a sensor fixture. The gear measuring device according to claim 1, wherein the displacement screw set has a set of bearing seats, a nut seat and a rotating wheel, and the displacement screw is disposed on the cast iron base, wherein the nut seat is used for connecting the detecting mechanism Relative translation. The gear measuring device according to claim 1, wherein the detecting mechanism is composed of a lower sliding block of the detecting mechanism and a slider of the detecting mechanism, and the double vertical V-shaped groove is formed between the upper and lower sliding blocks of the detecting mechanism, and the groove is A symmetrical number of balls are installed, and a tension spring is disposed outside the upper and lower sliders to maintain the pressure of the positioning function of the slider on the detecting mechanism and the gear. The gear measuring device of claim 1, wherein the lower sliding block of the detecting mechanism is connected to the displacement screw set by a hexagon socket screw. The gear measuring device of claim 1, wherein the detecting mechanism is provided with a bearing for connecting the to-be-measured gear and the taper rotating shaft, and the power source drives the standard gear to rotate with the taper shaft, and then transmits the gear. The meshing drives the gear to be tested to rotate. The gear measuring device according to claim 1, wherein the detecting mechanism maintains a radial pressure of the standard gear and the gear to be tested by a tension spring, the detecting machine A sensor fixture is arranged behind the slider, and the pressure value is calculated through the sensor value.