Inner ring large flange measuring instrument for tapered roller bearing

Abstract

The utility model relates to the field of bearing processing, and particularly discloses an inner ring large flange measuring instrument for a tapered roller bearing. The inner ring large flange measuring instrument comprises a base, the base is provided with a mounting assembly and a measuring assembly, the mounting assembly comprises a sliding table and a rotating table, the rotating table is provided with a mounting platform, and the mounting platform is provided with a positioning unit; the sliding table is slidably connected with the base, the rotating table is rotatably and movably connected with the sliding table, and the rotating center line of the rotating table is relatively perpendicular to the sliding direction of the sliding table; the measurement assembly comprises a measurement instrument, and the detection end of the measurement instrument is located above the installation platform. According to the inner ring large flange measuring instrument, angle compensation can be carried out through the rotating table, displacement feeding is carried out through the sliding table, quality detection is carried out on the bearing end face of the inner ring large flange of a tapered roller bearing in a relative measurement mode, and the inner ring large flange measuring instrument has the advantages of being simple in structure and convenient to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing processing field, concretely relates to a kind of inner ring big baffle measuring instrument for tapered roller bearing. BACKGROUND

[0002] Tapered roller bearing is a kind of radial load and single direction axial load can be borne rolling bearing, including inner ring, outer ring and rolling body, as Figure 1 As shown in the structure diagram of tapered roller bearing inner ring, the outer side of inner ring 1 is provided with raceway 11, the large end of raceway 11 is provided with big baffle 13, wherein raceway 11 is inclined to inner ring axis, and the side of big baffle 13 facing raceway is load end face 12, and load end face 12 is inclined to the end face of inner ring 1.

[0003] Big baffle of tapered roller bearing inner ring is the key axial support surface of tapered roller, and bears certain axial load force. Baffle height and angle deviation can affect the axial force state of roller group, and then affect the use condition, noise level, assembly height and service life of entire bearing.

[0004] At present, the methods for detecting baffle height and angle in bearing industry mainly include the following:

[0005] 1. Sample plate gap method and roller coloring method: the two methods are greatly influenced by human operation factors, error is easy to produce, measurement result is difficult to quantify and error range is larger, and actual demand of high-precision bearing production cannot be met.

[0006] 2. Profile gauge, three-coordinate measuring instrument and other precision measuring instrument detection method: although accurate measurement result can be obtained by this method, measurement efficiency is low, and measurement environment is harsh, so it is difficult to promote and use in production site.

[0007] The purpose of the present application is to provide a kind of inner ring big baffle measuring instrument for tapered roller bearing to solve the above-mentioned deficiencies in prior art measurement method. SUMMARY

[0008] The utility model wants to solve the technical problem to provide a kind of inner ring big baffle measuring instrument for tapered roller bearing, angle compensation is carried out by rotating table, displacement feeding is carried out by sliding table, and the load end face of inner ring big baffle of tapered roller bearing is detected in quality in the form of relative measurement, with the advantages of simple structure and convenient operation.

[0009] To solve the above-mentioned technical problems, the present invention provides the following technical solution: A measuring instrument for the inner ring large flange of a tapered roller bearing, comprising a base, wherein a mounting assembly and a measuring assembly are provided on the base; the mounting assembly includes a slide table and a rotary table, wherein a mounting platform is provided on the rotary table, and a positioning unit is provided on the mounting platform; the slide table is slidably connected to the base, and the rotary table is rotatably connected to the slide table; the rotation center line of the rotary table is perpendicular to the sliding direction of the slide table; the measuring assembly includes a measuring instrument, wherein the detection end of the measuring instrument is located above the mounting platform.

[0010] During measurement, the inner ring is placed on the mounting platform with its large end facing down. The side of the inner ring is laterally positioned using a positioning unit. The measuring instrument's detection end is placed on the bearing end face of the large flange, completing the installation of the inner ring. The rotary table is then rotated to a predetermined angle, aligning it with the angle of the bearing end face to achieve angle compensation. The corresponding portion of the bearing end face is now horizontal. The slide table is then moved to feed the inner ring, which slides relative to the detection end of the measuring instrument. The measuring instrument slides radially along the bearing end face, measuring parameters such as angle, convexity, and flange width of the bearing end face.

[0011] The inner ring large flange measuring instrument of this application can perform angular compensation through a rotary table and shift feed through a slide table to perform quality inspection on the bearing end face of the inner ring large flange of the tapered roller bearing in the form of relative measurement. It has the advantages of simple structure and convenient operation.

[0012] Preferably, the positioning unit includes a positioning block, and one side of the positioning block is provided with a V-shaped positioning groove, which can perform lateral positioning of the inner ring.

[0013] Preferably, the base is provided with a translation slide rail, and the slide table is slidably connected to the base through the translation slide rail; it also includes a translation drive assembly, which includes a screw drive mechanism disposed between the base and the slide table.

[0014] Preferably, the slide is provided with a first curved surface, the center line of which coincides with the rotation center line of the rotary table, and the rotary table is provided with a second curved surface, the first curved surface and the second curved surface being fitted together.

[0015] Preferably, a scale line for indicating the relative angle is provided between the slide and the rotary table, which can intuitively obtain the angle information of the rotary table and adjust the angle more accurately.

[0016] Preferably, the system also includes a rotary drive assembly, which includes a worm gear transmission mechanism. The worm gear is fixedly connected to the rotary table, and the axis of the worm gear coincides with the rotation center line of the rotary table. The worm is rotatably connected to the slide.

[0017] Worm gear transmission mechanisms can not only easily achieve angle adjustment, but also lock the angle after the angle adjustment is completed by utilizing the reverse self-locking characteristic of the worm gear, ensuring that the angle remains unchanged during subsequent measurement and guaranteeing the accuracy of the test results.

[0018] Preferably, the measuring instrument includes a measuring device and a measuring head, with a measuring rod rotatably connected to the measuring head, and a spring provided between the measuring rod and the measuring head; the measuring device is connected to the measuring rod, and the detection end of the measuring instrument is located at one end of the measuring rod.

[0019] During the installation of the inner ring, rotating the measuring rod can create space for the inner ring to be installed. During the measurement process, the spring can press the measuring rod to ensure effective contact between the detection end and the large flange.

[0020] Preferably, the distance between the detection end of the measuring instrument and the rotation center of the measuring rod is an integer multiple of the distance between the instrument and the rotation center of the measuring rod. This allows for magnification of the measurement results, making it easier to read the results and reducing measurement errors.

[0021] Preferably, the end of the measuring rod furthest from the detection end is the operating end, which extends out of the meter head. This design allows the operator to easily rotate the measuring rod, improving operational convenience.

[0022] Preferably, the base is further provided with guide posts; the measuring component includes an instrument mounting base, which is movably connected to the guide posts, and a locking unit is provided between the instrument mounting base and the guide posts; the measuring instrument is mounted on the instrument mounting base. The installation height of the measuring instrument can be adjusted by the guide posts. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the inner ring of a tapered roller bearing.

[0024] Figure 2 This is a schematic diagram of the inner ring large flange measuring instrument used in this embodiment for tapered roller bearings;

[0025] Figure 3 This is a schematic diagram of the mounting assembly in the inner ring large flange measuring instrument for tapered roller bearings according to this embodiment;

[0026] Figure 4 This is a front view of the mounting assembly in the inner ring large flange measuring instrument for tapered roller bearings according to this embodiment;

[0027] Figure 5 This is a schematic diagram of the measuring component in the inner ring large flange measuring instrument for tapered roller bearings in this embodiment. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model. Example

[0029] like Figures 2-4 As shown, a measuring instrument for the inner ring large flange of a tapered roller bearing includes a base 3. The base 3 is equipped with a mounting assembly 2 and a measuring assembly 4. The mounting assembly 2 includes a slide 25 and a rotary table 23. The rotary table 23 is equipped with a mounting platform 21, and the mounting platform 21 is equipped with a positioning unit 22. Specifically, the positioning unit 22 includes a positioning block, and one side of the positioning block is provided with a V-shaped positioning groove, which can perform lateral positioning of the inner ring.

[0030] like Figures 2-4 As shown, the slide 25 is slidably connected to the base 3, and the rotary table 23 is rotatably connected to the slide 25. The rotation center line of the rotary table 23 is perpendicular to the sliding direction of the slide 25. A scale line indicating the relative angle is provided between the slide 25 and the rotary table 23, allowing for intuitive acquisition of the angle information of the rotary table 23 and more accurate angle adjustment.

[0031] Specifically, such as Figures 2-4 As shown, the base 3 is provided with a translation slide rail, and the slide table 25 is slidably connected to the base 3 through the translation slide rail; it also includes a translation drive assembly 26, which includes a screw drive mechanism disposed between the base 3 and the slide table 25.

[0032] Specifically, such as Figures 2-4 As shown, the slide 25 has a first curved surface, the centerline of which coincides with the rotation centerline of the rotary table 23. The rotary table 23 has a second curved surface, and the first and second curved surfaces are fitted together. It also includes a rotary drive assembly 24, which includes a worm gear transmission mechanism. The worm gear is fixedly connected to the rotary table 23, and its axis coincides with the rotation centerline of the rotary table 23. The worm is rotatably connected to the slide 25.

[0033] Worm gear transmission mechanisms can not only easily achieve angle adjustment, but also lock the angle after the angle adjustment is completed by utilizing the reverse self-locking characteristic of the worm gear, ensuring that the angle remains unchanged during subsequent measurement and guaranteeing the accuracy of the test results.

[0034] like Figure 2 and Figure 5 As shown, the measuring component 4 includes a measuring instrument, and the detection end 45 of the measuring instrument is located above the mounting platform 21.

[0035] like Figure 2 and Figure 5 As shown, specifically, the measuring instrument includes a measuring device 41 and a measuring head 43. A measuring rod 44 is rotatably connected to the measuring head 43, and a spring is provided between the measuring rod 44 and the measuring head 43. The measuring device 41 is connected to the measuring rod 44, and the detection end 45 of the measuring instrument is located at one end of the measuring rod 44. During the installation of the inner ring, rotating the measuring rod 44 can make space for the installation of the inner ring. During the measurement process, the spring can press the measuring rod 44 to ensure effective contact between the detection end 45 and the large retaining edge. The distance between the detection end 45 of the measuring instrument and the rotation center of the measuring rod 44 is an integer multiple of the distance between the measuring device 41 and the rotation center of the measuring rod 44, which can magnify the measurement result, making it easier to read the measurement result and reducing measurement error. The end of the measuring rod 44 away from the detection end 45 is the operating end 42, which extends out of the measuring head 43. The setting of the operating end 42 makes it easier for the operator to rotate the measuring rod 44, improving operational convenience.

[0036] During measurement, the inner ring 1 is placed on the mounting platform 21 with its large end facing down. The side of the inner ring is laterally positioned by the positioning unit 22. The measuring instrument's detection end 45 is placed on the bearing end face of the large flange, completing the installation of the inner ring. Then, the rotary table 23 is rotated to a predetermined angle, aligning the angle of the rotary table 23 with the angle of the bearing end face to achieve angle compensation. The corresponding portion of the bearing end face is located in the horizontal plane. The slide table 25 is pushed to move in a translational motion to feed the inner ring, which then slides relative to the detection end 45 of the measuring instrument. The measuring instrument slides radially along the bearing end face to measure parameters such as the angle, convexity, and flange width of the bearing end face.

[0037] Furthermore, such as Figure 2 and Figure 5 As shown, the base 3 is also provided with a guide post 46; the measuring component 4 includes an instrument mounting base, which is movably connected to the guide post 46, and a locking unit is provided between the instrument mounting base and the guide post 46. The measuring instrument is mounted on the instrument mounting base. The installation height of the measuring instrument can be adjusted by the guide post 46.

[0038] The inner ring large flange measuring instrument of this application can perform angular compensation through the rotary table 23 and shift feed through the slide table 25 to perform quality inspection of the bearing end face of the inner ring large flange of the tapered roller bearing in the form of relative measurement. It has the advantages of simple structure and convenient operation.

[0039] In summary, the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A measuring instrument for the large flange of the inner ring of a tapered roller bearing, characterized in that: The device includes a base, on which mounting components and measuring components are mounted. The mounting components include a slide table and a rotary table. The rotary table has a mounting platform and a positioning unit. The slide table is slidably connected to the base, and the rotary table is rotatably connected to the slide table. The rotation center line of the rotary table is perpendicular to the sliding direction of the slide table. The measuring components include a measuring instrument, the detection end of which is located above the mounting platform.

2. The inner ring large flange measuring instrument according to claim 1, characterized in that: The positioning unit includes a positioning block, and a V-shaped positioning groove is provided on one side of the positioning block.

3. The inner ring large flange measuring instrument according to claim 1, characterized in that: The base is provided with a translation slide rail, and the slide table is slidably connected to the base through the translation slide rail; it also includes a translation drive assembly, which includes a screw drive mechanism disposed between the base and the slide table.

4. The inner ring large flange measuring instrument according to claim 1, characterized in that: The slide is provided with a first curved surface, the center line of which coincides with the rotation center line of the rotary table. The rotary table is provided with a second curved surface, and the first and second curved surfaces are fitted together.

5. The inner ring large flange measuring instrument according to claim 4, characterized in that: The slide and the rotary table are provided with scale lines for indicating relative angles.

6. The inner ring large flange measuring instrument according to claim 1, characterized in that: It also includes a rotary drive assembly, which includes a worm gear transmission mechanism. The worm gear is fixedly connected to the rotary table, and the axis of the worm gear coincides with the rotation center line of the rotary table. The worm is rotatably connected to the slide.

7. The inner ring large flange measuring instrument according to any one of claims 1-6, characterized in that: The measuring instrument includes a measuring tool and a measuring head. A measuring rod is rotatably connected to the measuring head, and a spring is provided between the measuring rod and the measuring head. The measuring tool is connected to the measuring rod, and the detection end of the measuring instrument is located at one end of the measuring rod.

8. The inner ring large flange measuring instrument according to claim 7, characterized in that: The distance between the detection end of the measuring instrument and the rotation center of the measuring rod is an integer multiple of the distance between the instrument and the rotation center of the measuring rod.

9. The inner ring large flange measuring instrument according to claim 7, characterized in that: The end of the measuring rod furthest from the detection end is the operating end, which extends beyond the meter head.

10. The inner ring large flange measuring instrument according to claim 7, characterized in that: The base is also provided with guide posts; the measuring component includes an instrument mounting base, which is movably connected to the guide posts, and a locking unit is provided between the instrument mounting base and the guide posts; the measuring instrument is mounted on the instrument mounting base.

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