Bearing inner and outer diameter detection device

Abstract

A bearing inner and outer diameter detection device disclosed by the present invention comprises a pedestal, the pedestal is hollow and is provided with an operation cavity, the pedestal is rotatably provided with a rotating disc, the end face of the rotating disc is a placing surface for placing an external bearing or a bearing part, and the placing surface is provided with a fixing member for fixing the external bearing or the bearing part. The base is provided with a clamping piece used for fixing an external detection instrument and an adjusting piece used for being in linkage fit with the clamping piece to adjust the position and the inclination angle of the output end of the external detection instrument, and a driving piece used for driving the rotating disc to rotate in the axial direction is arranged in the operation cavity. The problems that in the prior art, when the bearing ring is detected, the bearing ring needs to be manually and continuously rotated, and when the bearing ring is manually rotated, the bearing ring is prone to shifting are solved.

Description

Technical Field

[0001] The invention relates to the technical field of bearing component detection devices, and in particular to a bearing inner and outer diameter detection device. Background Art

[0002] The bearing ring is an annular part of a radial rolling bearing with one or more raceways, and the size of the bearing ring will directly affect the rotation accuracy of the finished bearing ring. The bearing ring needs to be measured during the production process. The traditional bearing ring measurement process requires manual driving of the bearing ring to rotate and detection by measuring instruments. When the bearing ring rotates, the operator is prone to errors, causing the ring to shift, which in turn affects the measurement accuracy of the ring and reduces the overall detection efficiency. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides a bearing inner and outer diameter detection device to solve the problem in the prior art that the bearing ring needs to be rotated continuously manually when detecting the bearing ring and the ring is easily displaced when manually rotating the ring.

[0004] In order to achieve the above-mentioned purpose, the present invention provides a bearing inner and outer diameter detection device, including a base, the base is hollow with an operating cavity, a useful turntable is rotatably arranged on the base, the end face of the turntable is a placement surface for placing an external bearing or a bearing component, a fixing part for fixing the external bearing or the bearing component is arranged on the placement surface, a clamping part for fixing an external detection instrument and an adjusting part for cooperating with the clamping part to adjust the output end position and the inclination angle of the external detection instrument are arranged on the base, and a driving part for driving the turntable to rotate axially is arranged in the operating cavity.

[0005] The above technical solution is beneficial in that: the operator places the bearing ring to be tested on the turntable and fixes the bearing ring through a fixing member, then fixes the testing instrument through a clamping member and adjusts the direction, position and inclination angle of the output end of the testing instrument through an adjusting member to ensure that the output end of the testing instrument can contact the inner diameter surface of the bearing ring, and then drives the turntable to rotate through a driving member so that the turntable drives the bearing ring to be tested to rotate synchronously, thereby realizing the automatic rotation of the bearing ring and the automatic detection of the inner diameter surface of the bearing ring by the output end of the testing instrument, thereby improving the detection efficiency and detection accuracy of the bearing ring. Compared with the method of manually driving the bearing ring to rotate and hand-held testing instruments to detect its inner diameter surface in the prior art, the present technology can drive the bearing ring to rotate automatically through a fixing member and a driving member to avoid the bearing ring displacement or shaking during manual drive, and can fix the instrument to be tested through a clamping member and an adjusting member and drive the output end of the instrument to be tested to stably contact with the inner diameter surface of the bearing ring, so as to avoid poor contact or insufficient contact between the output end of the testing instrument and the inner diameter surface of the bearing ring when the testing instrument is manually held, thereby improving the detection efficiency and detection accuracy.

[0006] The present invention is further configured as follows: a plurality of slide grooves are provided on the placement surface, the fixing part includes a plurality of slide plates, the plurality of slide plates correspond one-to-one to the plurality of slide grooves and each slide plate is arranged in the corresponding slide groove, a vertical plate is arranged on the slide plate, a butt joint is arranged at the front end of the vertical plate, the end of the butt joint is an abutment end for abutting against an external bearing or an inner diameter surface of a bearing component, the plurality of slide grooves are connected to the outer peripheral wall of the turntable and are formed with slide openings for the slide plates to pass through, and the number of the plurality of slide grooves is three and they are distributed in a triangular shape.

[0007] The benefits of adopting the above technical solution are: in the above technology, the abutment on the inner diameter surface of the bearing ring is achieved through the abutment joints in the three slide grooves, that is, the three abutment joints apply force to the inner diameter surface of the bearing ring to fix the bearing ring, and the three abutment joints are distributed in a triangular shape, thereby improving the limiting strength of the bearing ring, thereby improving the stability of the bearing ring on the turntable.

[0008] The present invention further provides that: a linkage shaft is coaxially connected to the bottom of the turntable, a linkage disk is connected to the end of the linkage shaft, the linkage disk is located in the operating cavity and is coaxially aligned with the turntable, a receiving groove is formed between the linkage disk and the turntable, a slot for communicating with the operating cavity is opened on the right side wall of each slide slot along its length direction, a main toothed disk is rotatably arranged in each slot, a matching toothed groove is opened on the side wall of each slide plate along its length direction, and each main toothed disk partially penetrates its corresponding slot and is connected to the matching toothed groove A meshing arrangement is provided, wherein the bottom of each main toothed disc is coaxially connected to a connecting shaft, and the end of each connecting shaft is coaxially connected to a slave toothed disc, and several of the main toothed discs are distributed in a triangular shape, and a transmission belt is provided between several of the slave toothed discs, and a transmission tooth groove is circumferentially provided on the inner circumferential wall of the transmission belt, and several of the slave toothed discs are meshed with the transmission tooth groove, and a small motor is provided on the end surface of the linkage disc, and one of the slave toothed discs is coaxially connected to the output end of the small motor, and a rotating shaft is rotatably connected between the other two slave toothed discs and the end surface of the linkage disc.

[0009] The advantages of adopting the above technical solution are as follows: when the abutment joint needs to be limited by the inner diameter surface of the bearing ring, the operator can start the small motor so that the output end of the small motor drives the corresponding slave gear disc to rotate, and a transmission belt is provided between the three slave gear discs, and the three slave gear discs are all engaged with the transmission tooth grooves, so that when the slave gear disc rotates, the other two slave gear discs are driven to rotate synchronously and in the same direction through the transmission belt, thereby realizing the synchronous rotation of the three main gear discs, and each main gear disc is engaged with its corresponding matching tooth groove, so that when the main gear disc rotates, The driving slide plate slides in the slide groove, thereby realizing the displacement of the abutment joint in the slide groove, that is, the three abutment joints synchronously approach or move away from the center point of the turntable, thereby realizing that the three abutment joints can all abut on the inner diameter surface of the bearing ring, thereby realizing the abutment of the bearing ring, and then realizing the fixation of the bearing ring on the turntable. Through the above structure, the three abutment joints can abut against the inner diameter surface of the bearing ring under the working conditions of bearing rings of different diameters, thereby allowing bearing rings of different diameters to be fixed and subsequently detected, thereby improving the detection range and precision measurement efficiency.

[0010] The present invention is further provided that: a limiting groove is opened on the left side wall of each slide groove along its length direction, the limiting groove is connected to the outer peripheral wall of the turntable, and each slide plate is provided with a limiting block in the direction of the limiting groove, the radial cross-section of the limiting groove is a right-angle trapezoid and the radial cross-section of the limiting block is matched with the radial cross-section of the limiting groove.

[0011] The benefits of adopting the above technical solution are: in the above technology, the stability of the sliding of the slide in the slide groove is improved by setting the limit block and the limit groove, while preventing the slide from escaping from the slide groove along the height direction of the turntable, thereby improving the matching strength between the slide and the main gear plate.

[0012] The present invention further provides that: the radial cross section of the abutting end is arranged in an arc shape.

[0013] The benefit of adopting the above technical solution is that the radial cross-section of the abutment end in the above technology is set in an arc shape to improve the abutment strength and contact area with the inner diameter surface of the bearing ring, thereby improving the stability between the abutment head and the bearing ring, and further improving the limiting strength of the bearing ring.

[0014] The present invention further provides that: the driving member includes a driving motor arranged in the operating cavity, and the output end of the driving motor is coaxially connected to the bottom wall of the linkage disk.

[0015] The advantages of adopting the above technical solution are as follows: in the above technology, the linkage disk is rotated by driving the motor, and the linkage disk and the turntable are coaxially connected by a linkage shaft, thereby achieving synchronous rotation of the turntable and further achieving synchronous rotation of the bearing rings.

[0016] The present invention is further provided that: the clamping member includes a linkage arm arranged on one side of the base, the linkage arm is provided with a clamping ring, the clamping ring is provided with a clamping hole for the output end of the external detection instrument to pass through, the outer peripheral wall of the clamping ring is provided with a through hole for connecting with the clamping hole, the through hole is threadedly connected with a limit bolt, and the head end of the limit bolt is a clamping end used to penetrate into the clamping hole and abut against the outer peripheral wall of the output end of the external detection instrument.

[0017] The benefit of adopting the above technical solution is that: when it is necessary to fix the instrument to be tested, the output end of the instrument to be tested is passed through the clamping hole, and then the operator screws in the limit bolt so that the clamping end of the limit bolt is placed in the clamping hole and abuts against the outer peripheral wall of the output end of the instrument to be tested, thereby achieving the fixation of the output end of the instrument to be tested in the clamping ring.

[0018] The present invention further provides: the linkage arm is composed of a forearm, a middle arm and a rear arm, the rear arm end is arranged on a base, the rear arm starting end is provided with a first swinging groove, the middle arm end is swingably arranged in the first swinging groove, the adjusting member includes a first adjusting bolt, a first adjusting nut for threadedly matching with the first adjusting bolt, a second adjusting bolt and a second adjusting nut for threadedly matching with the second adjusting bolt, the rear arm starting end and the middle arm end are both coaxially provided with a first adjusting hole for the first adjusting bolt to pass through, the middle arm starting end is provided with a second swinging groove, the forearm end is swingably arranged in the second swinging groove, the middle arm starting end and the forearm end are both coaxially provided with a second adjusting hole for the second adjusting bolt to pass through, and the clamping ring is arranged at the forearm starting end.

[0019] The benefits of adopting the above technical scheme are: in the above technology, the rear arm and the middle arm are relatively fixed or swung by screwing in or out the first adjusting bolt, so as to adjust the inclination angle between the two, the middle arm and the forearm are relatively fixed or swung by screwing in or out the second adjusting bolt, so as to adjust the inclination angle between the two, the linkage arm is swung by the first adjusting bolt and the second adjusting bolt, thereby realizing the position change and inclination angle adjustment of the output end of the detection instrument, thereby ensuring that the output end of the detection instrument can contact the inner diameter surface of the bearing ring, thereby improving the contact strength and contact stability, and thereby improving the detection efficiency and detection accuracy; in the above technology, the first adjusting nut and the second adjusting nut are used to fix the first adjusting bolt and the second adjusting bolt, thereby avoiding the swinging or shaking of the linkage arm.

[0020] The present invention further provides that: a slide seat is arranged at the outer edge of the base, the slide seat is in an annular shape and a slide rail groove is circumferentially opened on the end surface of the slide seat, and a slider is arranged at the end of the rear arm, and the slider is slidably arranged in the slide rail groove.

[0021] The advantages of adopting the above technical solution are as follows: in the above technology, the slider is slidably arranged in the slide rail groove, so as to realize the circumferential position change of the linkage arm along the base, and then realize the position change of the output end of the detection instrument, so as to meet different detection requirements.

[0022] The present invention further provides that: positioning grooves for communicating with the slide rail grooves are circumferentially opened on the outer circumferential wall and the inner circumferential wall of the slide seat, the slide block is penetrated by a third adjustment hole, a third adjustment bolt is threadedly connected in the third adjustment hole, and third adjustment nuts are threadedly connected at both ends of the third adjustment bolt, one of the bottom walls of the third adjustment nut is abutted and matched with the outer circumferential wall of the slide seat, and the other bottom wall of the third adjustment nut is abutted and matched with the inner circumferential wall of the slide seat.

[0023] The above technical solution is beneficial in that the slider is fixed in the slide rail groove by screwing in the third adjusting bolt and the two third adjusting nuts, thereby fixing the linkage arm on the peripheral side of the base. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional view of the present invention; Figure 2 A three-dimensional schematic diagram of a turntable and its connection structure in the present invention; Figure 3 for Figure 2 3D schematic diagram without the turntable; Figure 4 It is a cross-sectional view of the linkage arm in the present invention. DETAILED DESCRIPTION

[0025] The present invention provides a bearing inner and outer diameter detection device, comprising a base 1, wherein the base 1 is hollow and has an operating cavity 11, a useful turntable 2 is rotatably provided on the base 1, the end surface of the turntable 2 is a placement surface for placing an external bearing or a bearing component, and a fixing part for fixing the external bearing or the bearing component is provided on the placement surface, a clamping part for fixing an external detection instrument and an adjusting part for cooperating with the clamping part to adjust the output end position and the tilt angle of the external detection instrument are provided on the base 1, a driving part for driving the turntable 2 to rotate axially is provided in the operating cavity 11, a plurality of slide grooves 21 are provided on the placement surface, and the fixing part includes a plurality of slide plates 22, and the plurality of slide plates 22 correspond to the plurality of slide grooves 21 one by one, and each slide plate 22 They are all arranged in the corresponding slide grooves 21, and a vertical plate 23 is arranged on the slide plate 22. A butt joint 24 is arranged at the front end of the vertical plate 23. The end of the butt joint 24 is an abutment end for abutting against an external bearing or an inner diameter surface of a bearing component. Several of the slide grooves 21 are connected to the outer peripheral wall of the turntable 2 and form a sliding opening 211 for the slide plate 22 to pass through. There are three slide grooves 21 and they are distributed in a triangular shape. A linkage shaft 31 is coaxially connected to the bottom of the turntable 2, and a linkage disk 3 is connected to the end of the linkage shaft 31. The linkage disk 3 is located in the operating cavity 11 and is coaxially aligned with the turntable 2. A accommodating groove is formed between the linkage disk 3 and the turntable 2, and a groove for communicating with the operating cavity 11 is opened along its length direction on the right side wall of each of the slide grooves 21. 212, a main toothed disc 32 is rotatably arranged in each of the slots 212, a matching tooth groove 221 is opened on the side wall of each of the slide plates 22 along its length direction, each of the main toothed discs 32 partially penetrates the corresponding slots 212 and is meshed with the matching tooth grooves 221, a connecting shaft 33 is coaxially connected to the bottom of each of the main toothed discs 32, and a slave toothed disc 34 is coaxially connected to the end of each of the connecting shafts 33, a plurality of the main toothed discs 32 are distributed in a triangular shape, a transmission belt 35 is provided between a plurality of the slave toothed discs 34, a transmission tooth groove is circumferentially opened on the inner circumferential wall of the transmission belt 35, and a plurality of the slave toothed discs 34 are meshed with the transmission tooth groove, a small motor 36 is arranged on the end face of the linkage disc 3, and one of the slave toothed discs 34 is meshed with the small motor 36. The output end of the motor 36 is coaxially connected, and the other two are rotatably connected with a rotating shaft between the toothed disc 34 and the end face of the linkage disc 3. A limiting groove 213 is provided on the left side wall of each slide groove 21 along its length direction, and the limiting groove 213 is connected to the outer peripheral wall of the turntable 2. Each slide plate 22 is provided with a limiting block 222 in the direction of the limiting groove 213. The radial cross-section of the limiting groove 213 is a right-angle trapezoidal setting, and the radial cross-section of the limiting block 222 is adapted to the radial cross-section of the limiting groove 213. The radial cross-section of the abutting end is an arc-shaped setting. The driving member includes a driving motor 12 arranged in the operating cavity 11, and the output end of the driving motor 12 is coaxially connected with the bottom wall of the linkage disc 3. The clamping member includes a linkage arm arranged on one side of the base 1.The linkage arm is provided with a clamping ring 4, and the clamping ring 4 is provided with a clamping hole 41 for the output end of the external detection instrument to pass through. The outer peripheral wall of the clamping ring 4 is provided with a through hole 42 for communicating with the clamping hole 41. The through hole 42 is threadedly connected with a limit bolt 43, and the head end of the limit bolt 43 is a clamping end for penetrating into the clamping hole 41 and abutting against the outer peripheral wall of the output end of the external detection instrument. The linkage arm is composed of a front arm 5, a middle arm 51 and a rear arm 52. The end of the rear arm 52 is arranged on the base 1. The rear arm 52 has a first swinging groove 521 at the beginning, and the middle arm 51 has a swinging arrangement at the end in the first swinging groove 521. The adjusting member includes a first adjusting bolt 523, a first adjusting nut 524 for threadingly engaging with the first adjusting bolt 523, a second adjusting bolt 512, and a second adjusting nut 514 for threadingly engaging with the second adjusting bolt 512. The rear arm 52 and the middle arm 51 have a first adjusting hole 522 for the first adjusting bolt 523 to pass through coaxially. The middle arm 51 has a first adjusting hole 522 at the beginning. There is a second swing groove 511, the end of the forearm 5 is swingably set in the second swing groove 511, the beginning of the middle arm 51 and the end of the forearm 5 are coaxially opened with a second adjustment hole 513 for the second adjustment bolt 512 to pass through, the clamping ring 4 is set at the beginning of the forearm 5, the outer edge of the base 1 is provided with a slide seat 13, the slide seat 13 is annular and the end face of the slide seat 13 is circumferentially opened with a slide rail groove 131, the end of the rear arm 52 is provided with a slider 525, the slider 525 is slidably set in the slide rail groove 131, the The outer and inner walls of the slide seat 13 are both provided with positioning grooves 132 for communicating with the slide rail groove 131. The slider 525 is penetrated by a third adjustment hole 526. A third adjustment bolt 527 is threadedly connected in the third adjustment hole 526. Both ends of the third adjustment bolt 527 are threadedly connected with third adjustment nuts 528. One of the bottom walls of the third adjustment nut 528 is abutted and matched with the outer wall of the slide seat 13, and the other bottom wall of the third adjustment nut 528 is abutted and matched with the inner wall of the slide seat 13.

[0026] The above drawings are only for illustrative purposes, and the present technology does not limit specific sizes and shapes.

[0027] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which shall fall within the scope of the present invention to be protected. The scope of protection of the present invention shall be defined by the attached claims and their equivalents.

Claims

1. A bearing inner and outer diameter detection device, characterized in that: It includes a base, the base is hollow and has an operating cavity, a useful turntable is rotatably arranged on the base, the end surface of the turntable is a placement surface for placing an external bearing or a bearing component, a fixing part for fixing the external bearing or the bearing component is arranged on the placement surface, a clamping part for fixing an external detection instrument and an adjusting part for cooperating with the clamping part to adjust the output end position and the inclination angle of the external detection instrument are arranged on the base, and a driving part for driving the turntable to make axial rotation is arranged in the operating cavity.

2. A bearing inner and outer diameter detection device according to claim 1, characterized in that: A plurality of slide grooves are provided on the placement surface, and the fixing part includes a plurality of slide plates, and the plurality of slide plates correspond to the plurality of slide grooves one by one and each slide plate is arranged in the corresponding slide groove. A vertical plate is provided on the slide plate, and a butt joint is provided at the front end of the vertical plate, and the end of the butt joint is a butt joint end for butting against an external bearing or an inner diameter surface of a bearing component. The plurality of slide grooves are connected to the outer peripheral wall of the turntable and are formed with slide openings for the slide plates to pass through. There are three slide grooves in number and they are distributed in a triangular shape.

3. A bearing inner and outer diameter detection device according to claim 2, characterized in that: The bottom of the turntable is coaxially connected with a linkage shaft, and the end of the linkage shaft is connected to a linkage disk, and the linkage disk is located in the operating cavity and is coaxially aligned with the turntable, and a accommodating groove is formed between the linkage disk and the turntable, and each right side wall of the slide groove is provided with a slot for communicating with the operating cavity along its length direction, and a main toothed disk is rotatably arranged in each of the slots, and a matching tooth groove is provided on the side wall of each slide plate along its length direction, and each of the main toothed disks partially penetrates its corresponding slot and is meshed with the matching tooth groove, and each main toothed disk is coaxially connected with a connecting shaft at the bottom, and each end of the connecting shaft is coaxially connected with a slave toothed disk, and several of the main toothed disks are distributed in a triangular shape, and a transmission belt is driven between several of the slave toothed disks, and a transmission tooth groove is circumferentially provided on the inner circumferential wall of the transmission belt, and several of the slave toothed disks are meshed with the transmission tooth groove, and a small motor is arranged on the end surface of the linkage disk, one of the slave toothed disks is coaxially connected to the output end of the small motor, and the other two slave toothed disks are rotatably connected with a rotating shaft between the end surface of the linkage disk.

4. A bearing inner and outer diameter detection device according to claim 2, characterized in that: A limiting groove is provided on the left side wall of each slide groove along its length direction, and the limiting groove is connected to the outer peripheral wall of the turntable. Each slide plate is provided with a limiting block in the direction of the limiting groove, and the radial cross-section of the limiting groove is a right-angle trapezoid, and the radial cross-section of the limiting block is matched with the radial cross-section of the limiting groove.

5. A bearing inner and outer diameter detection device according to claim 2, characterized in that: The radial cross section of the abutting end is arranged in an arc shape.

6. A bearing inner and outer diameter detection device according to claim 1, characterized in that: The driving member comprises a driving motor arranged in the operating cavity, and the output end of the driving motor is coaxially connected to the bottom wall of the linkage disk.

7. A bearing inner and outer diameter detection device according to claim 1, characterized in that: The clamping member includes a linkage arm arranged on one side of the base, a clamping ring is arranged on the linkage arm, a clamping hole is opened on the clamping ring for the output end of the external detection instrument to pass through, a through hole for communicating with the clamping hole is opened on the outer peripheral wall of the clamping ring, a limit bolt is threadedly connected in the through hole, and the head end of the limit bolt is a clamping end for passing through the clamping hole and abutting against the outer peripheral wall of the output end of the external detection instrument.

8. A bearing inner and outer diameter detection device according to claim 7, characterized in that: The linkage arm is composed of a forearm, a middle arm and a rear arm, the rear arm end is arranged on a base, the rear arm starting end is provided with a first swinging groove, the middle arm end is swingingly arranged in the first swinging groove, the adjusting member includes a first adjusting bolt, a first adjusting nut for threadingly matching with the first adjusting bolt, a second adjusting bolt and a second adjusting nut for threadingly matching with the second adjusting bolt, the rear arm starting end and the middle arm end are both coaxially provided with a first adjusting hole for the first adjusting bolt to pass through, the middle arm starting end is provided with a second swinging groove, the forearm end is swingingly arranged in the second swinging groove, the middle arm starting end and the forearm end are both coaxially provided with a second adjusting hole for the second adjusting bolt to pass through, and the clamping ring is arranged at the forearm starting end.

9. A bearing inner and outer diameter detection device according to claim 8, characterized in that: A slide seat is arranged at the outer edge of the base, the slide seat is in an annular shape and a slide rail groove is circumferentially opened on the end surface of the slide seat, and a slider is arranged at the end of the rear arm, and the slider is slidably arranged in the slide rail groove.

10. A bearing inner and outer diameter detection device according to claim 9, characterized in that: The outer wall and the inner wall of the slide seat are both circumferentially provided with positioning grooves for communicating with the slide rail grooves, the slide block is penetrated by a third adjustment hole, a third adjustment bolt is threadedly connected in the third adjustment hole, and third adjustment nuts are threadedly connected at both ends of the third adjustment bolt, one of the bottom walls of the third adjustment nut is abutted and matched with the outer wall of the slide seat, and the other bottom wall of the third adjustment nut is abutted and matched with the inner wall of the slide seat.

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