Clamping structure for detecting inner diameter of bearing ring

Abstract

The utility model belongs to the technical field of clamping devices, and particularly relates to a clamping structure for detecting the inner diameter of a bearing ring, which comprises a mounting seat and further comprises a rotating disc, a clamping device and a clamping device, the servo motor is fixed on the mounting seat and is used for driving the rotating disc to rotate; the multiple sets of clamping mechanisms are fixed to the rotating disc at equal intervals in the circumferential direction, each clamping mechanism comprises a lifting table, a three-jaw chuck and a driving assembly, the lifting tables are located above the rotating disc, the three-jaw chucks are fixed to the lifting tables, and the driving assemblies drive the lifting tables to ascend and descend; according to the utility model, the plurality of three-jaw chucks are used for clamping and fixing the bearing rings, the stability performance is high, the plurality of bearing rings can be fixed at the same time for detection, the detected bearing rings can be taken down and the undetected bearing rings can be clamped in the detection process, and the detection efficiency is greatly improved; and the production requirement of batch detection operation is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of clamping devices, and in particular relates to a clamping structure for detecting the inner diameter of a bearing ring. Background Art

[0002] Bearings are an important component widely used in the machinery industry. Their quality affects the performance of the entire mechanical system to a certain extent. After the bearings are produced, in order to obtain high-precision bearings, it is necessary to test various technical parameters of the bearings, such as the axial and radial clearances, inner diameter and other parameters of the bearings.

[0003] At present, there are two main ways to detect the inner diameter of the bearing. One is manual detection, that is, staff manually use a measuring ruler or a detector to detect the inner diameter of the bearing ring and other parameters. The other is fully automatic detection, that is, the bearing ring is first positioned and fixed by a clamping device, and then the inner diameter of the bearing ring is detected using instruments such as a laser inner diameter detector.

[0004] It was retrieved that in the prior art, a Chinese utility model patent with authorization announcement number CN221123326U discloses "a bearing ring inner diameter detection device", which includes a support platform and a rotation detection mechanism, wherein the side wall of the support platform is provided with a positioning clamp, the bottom of the support platform is provided with a bracket, the bottom of the bracket is provided with an electric telescopic rod, and the rotation detection mechanism includes a drive motor and a laser inner diameter detector arranged at the output end of the drive motor, so that the laser inner diameter detector can detect different depths of the inner diameter of the bearing body ring.

[0005] Although the clamping structures in the prior art including those mentioned above can meet general inspection needs, in actual use, during batch inspection operations, workers or automatic material handling machinery need to frequently take and put materials, resulting in a significant reduction in inspection efficiency and making it difficult to meet the production needs of batch inspection operations.

[0006] In order to solve the above problems, the present application proposes a clamping structure for detecting the inner diameter of a bearing ring. Utility Model Content

[0007] In order to solve the above problems existing in the prior art, the utility model provides a clamping structure for detecting the inner diameter of a bearing ring, which has the characteristics of being easy to use and having high detection efficiency.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a clamping structure for detecting the inner diameter of a bearing ring, comprising a mounting seat, and further comprising:

[0009] A rotating disk, the rotating disk is rotatably connected to the mounting seat;

[0010] A servo motor, the servo motor is fixed to the mounting seat and is used to drive the rotating disk to rotate;

[0011] A clamping mechanism, wherein a plurality of groups of the clamping mechanisms are fixed on the rotating disk at equal intervals along the circumferential direction, and the clamping mechanism comprises a lifting platform, a three-jaw chuck and a driving assembly, wherein the lifting platform is located above the rotating disk, the three-jaw chuck is fixed on the lifting platform, and the driving assembly drives the lifting platform to rise and fall.

[0012] As a preferred technical solution of the utility model, it also includes:

[0013] A number one fixing ear, a plurality of said number one fixing ears being fixed on the lifting platform at equal intervals along the circumferential direction;

[0014] A number-two fixing ear, a plurality of which are fixed on the three-jaw chuck at equal intervals along the circumferential direction;

[0015] A countersunk screw is connected to the first fixing ear by threading after passing through the second fixing ear.

[0016] As a preferred technical solution of the utility model, the driving assembly includes:

[0017] A vertical cylinder is fixed to the bottom surface of the rotating disk, and a piston rod of the vertical cylinder passes through the rotating disk and is fixedly connected to the lifting platform.

[0018] As a preferred technical solution of the utility model, it also includes:

[0019] A plurality of guide posts are fixed on the bottom surface of the lifting platform at equal intervals along the circumferential direction, and the guide posts penetrate the rotating disk.

[0020] As a preferred technical solution of the utility model, an auxiliary support mechanism is also included, and the auxiliary support mechanism includes:

[0021] An n-type frame, wherein the n-type frame is elastically connected to the bottom surface of the rotating disk;

[0022] A roller is rotatably mounted in the n-shaped frame and abuts against the top surface of the mounting seat.

[0023] As a preferred technical solution of the utility model, the auxiliary support mechanism also includes:

[0024] A telescopic column, wherein the telescopic column is fixed between the bottom surface of the rotating disk and the n-shaped frame;

[0025] A telescopic spring is sleeved on the telescopic column and is located between the bottom surface of the rotating disk and the n-shaped frame.

[0026] As a preferred technical solution of the utility model, the auxiliary support mechanisms are arranged in multiple groups distributed at equal intervals along the circumferential direction.

[0027] Compared with the prior art, the beneficial effects of the utility model are:

[0028] In the utility model, a plurality of three-jaw chucks are used to clamp and fix the bearing rings, which has high stability and can simultaneously fix a plurality of bearing rings for testing. During the testing process, the tested bearing rings can be removed and the untested bearing rings can be clamped, and the testing efficiency is greatly improved to meet the production needs of batch testing operations.

[0029] Other additional advantages and beneficial effects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0031] Figure 1 It is a schematic diagram of the structure of the utility model;

[0032] Figure 2 This is a schematic diagram of the axonometric structure of the clamping mechanism in the utility model;

[0033] Figure 3 For this utility model Figure 1 Schematic diagram of the enlarged structure of the auxiliary support mechanism.

[0034] In the figure: 1. mounting base; 2. rotating disk; 3. servo motor; 4. clamping mechanism; 41. lifting platform; 411. fixing ear No. 1; 42. three-jaw chuck; 421. fixing ear No. 2; 43. countersunk screw; 44. driving assembly; 441. vertical cylinder; 45. guide column; 5. auxiliary support mechanism; 51. n-type frame; 52. roller; 53. telescopic column; 54. telescopic spring. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] See also Figure 1-Figure 3The utility model provides the following technical solution: a clamping structure for detecting the inner diameter of a bearing ring, comprising a mounting seat 1, a rotating disk 2, a servo motor 3 and a clamping mechanism 4.

[0037] Further, by Figure 1 and Figure 2 As shown, in this embodiment, the rotating disk 2 is rotatably connected to the mounting seat 1, and the servo motor 3 is fixed to the mounting seat 1 to drive the rotating disk 2 to rotate. Multiple clamping mechanisms 4 are fixed on the rotating disk 2 at equal intervals along the circumferential direction, and the clamping mechanism 4 includes a lifting platform 41, a three-jaw chuck 42 and a driving component 44. The lifting platform 41 is located above the rotating disk 2, and the three-jaw chuck 42 is fixed on the lifting platform 41. The driving component 44 drives the lifting platform 41 to rise and fall. After adopting the above scheme, when in use, the mounting seat 1 is fixed on the detection platform by conventional means, and the staff places the bearing ring to be detected in the three-jaw chuck 42, and the three-jaw chuck 42 is used to The bearing ring is clamped, and multiple three-jaw chucks 42 can simultaneously fix multiple bearing rings for testing. Then, the servo motor 3 is started to drive the rotating disk 2 to rotate. When the bearing ring is transferred to the bottom of the testing instrument, the inner diameter of the bearing ring is tested by the testing instrument. After the test is completed, the servo motor 3 is started again to drive the rotating disk 2 to rotate, and the bearing ring is transferred. The subsequent other bearing rings are tested in sequence. During the test of other bearing rings, the staff can remove the bearing rings that have been tested and re-clamp the untested bearing rings. The test efficiency is greatly improved to meet the production needs of batch testing operations.

[0038] It should be noted that the clamping structure of the utility model can also be used in the processing line of bearing rings. In the assembly line, a belt conveyor is usually used to transport the bearing rings. When the bearing rings are transported to the inspection station, they can be grabbed by automatic material picking equipment, such as an automatic material picking robot arm, and placed in a three-jaw chuck 42 for clamping. After the inspection of the bearing rings is completed, the automatic material picking robot arm grabs the material.

[0039] It should also be further explained that the three-jaw chuck 42 is a very common clamping device in industrial processing, which can be directly obtained through purchase or private customization. Its working principle has been fully disclosed in the prior art and will not be elaborated in this article.

[0040] Optionally, by Figure 1 and Figure 2As shown, in this embodiment, it also includes: a No. 1 fixing ear 411, a No. 2 fixing ear 421 and a countersunk screw 43. A plurality of No. 1 fixing ears 411 are fixed on the lifting platform 41 at equal intervals along the circumferential direction, and a plurality of No. 2 fixing ears 421 are fixed on the three-jaw chuck 42 at equal intervals along the circumferential direction. The countersunk screw 43 penetrates the No. 2 fixing ear 421 and is connected to the No. 1 fixing ear 411 by threaded engagement. After adopting the above scheme, the three-jaw chuck 42 is fixedly installed by the countersunk screw 43, which is easy to install and has high stability. It is also convenient to disassemble and maintain the three-jaw chuck 42.

[0041] Optionally, by Figure 1 and Figure 2 As shown, in this embodiment, the driving component 44 includes: a vertical cylinder 441, the vertical cylinder 441 is fixed to the bottom surface of the rotating disk 2, and the piston rod of the vertical cylinder 441 passes through the rotating disk 2 and is fixedly connected to the lifting platform 41. After adopting the above scheme, the height of the bearing ring can be changed by starting the vertical cylinder 441, which is convenient for detecting the inner diameter of the bearing ring at different height positions to ensure the accuracy of the detection.

[0042] Preferably, by Figure 1 and Figure 2 As shown, in this embodiment, it also includes: guide columns 45, multiple guide columns 45 are fixed on the bottom surface of the lifting platform 41 at equal intervals along the circumferential direction, and the guide columns 45 pass through the rotating disk 2. The multiple guide columns 45 are used to guide the lifting platform 41 to ensure the stability of the lifting platform 41.

[0043] Preferably, by Figure 1 and Figure 3 As shown, in this embodiment, an auxiliary support mechanism 5 is also included, and the auxiliary support mechanism 5 includes: an n-type frame 51 and a roller 52, the n-type frame 51 is elastically connected to the bottom surface of the rotating disk 2, and the roller 52 is rotatably installed in the n-type frame 51 and abuts against the top surface of the mounting seat 1. After adopting the above scheme, when the rotating disk 2 rotates, it will drive the roller 52 to roll along the mounting seat 1, and the rotating disk 2 is auxiliary supported by the roller 52, thereby improving the stability of the rotating disk 2.

[0044] Optionally, by Figure 1 and Figure 3 As shown, in this embodiment, the auxiliary support mechanism 5 also includes: a telescopic column 53 and a telescopic spring 54, the telescopic column 53 is fixed between the bottom surface of the rotating disk 2 and the n-shaped frame 51, the telescopic spring 54 is sleeved on the telescopic column 53 and is located between the bottom surface of the rotating disk 2 and the n-shaped frame 51, wherein the telescopic column 53 is a telescopic structure composed of two hollow cylindrical components sleeved together, and cooperates with the telescopic spring 54 to elastically support the rotating disk 2, thereby ensuring the stability of the rotating disk 2 and preventing the rotating disk 2 from shaking during operation.

[0045] Preferably, by Figure 1 and Figure 3 As shown, in this embodiment, there are multiple groups of auxiliary support mechanisms 5 distributed at equal intervals along the circumferential direction, and the support stability is higher, ensuring the stability of the rotating disk 2.

[0046] It should be noted that the servo motor 3 and the vertical cylinder 441 are both conventional commercially available equipment with built-in power switches. Technical personnel in this field can make routine selections according to usage requirements. Their working principles are common knowledge known to technical personnel in this field and have been fully disclosed by the prior art, so they will not be elaborated in this article.

[0047] The circuit connection involved in the utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0048] Components not described in detail herein are prior art.

[0049] Working principle and use process of the utility model: When using the clamping structure of the utility model, the mounting seat 1 is fixed on the detection platform by conventional means, and the staff places the bearing ring to be detected in the three-jaw chuck 42, and clamps the bearing ring by the three-jaw chuck 42. Multiple three-jaw chucks 42 can simultaneously fix multiple bearing rings for detection;

[0050] Then, the servo motor 3 is started to drive the rotating disk 2 to rotate. When the bearing ring is transferred to the bottom of the detection instrument, the inner diameter of the bearing ring is detected by the detection instrument.

[0051] After the inspection is completed, the servo motor 3 is started again to drive the rotating disk 2 to rotate, the bearing ring is transferred, and the other subsequent bearing rings are inspected in sequence. During the inspection of other bearing rings, the staff can remove the bearing rings that have been inspected and re-clamp the uninspected bearing rings, so that the inspection efficiency is greatly improved to meet the production needs of batch inspection operations.

[0052] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A clamping structure for detecting the inner diameter of a bearing ring, comprising a mounting seat (1), characterized in that: Also includes: A rotating disk (2), the rotating disk (2) being rotatably connected to the mounting seat (1); A servo motor (3), the servo motor (3) being fixed to the mounting seat (1) and being used for driving the rotating disk (2) to rotate; A clamping mechanism (4), wherein a plurality of groups of the clamping mechanisms (4) are fixed on the rotating disk (2) at equal intervals along a circumferential direction, and the clamping mechanism (4) comprises a lifting platform (41), a three-jaw chuck (42) and a driving component (44), wherein the lifting platform (41) is located above the rotating disk (2), the three-jaw chuck (42) is fixed on the lifting platform (41), and the driving component (44) drives the lifting platform (41) to rise and fall.

2. A clamping structure for detecting the inner diameter of a bearing ring according to claim 1, characterized in that: Also includes: A number one fixing ear (411), wherein a plurality of the number one fixing ears (411) are fixed on the lifting platform (41) at equal intervals along a circumferential direction; A number-two fixing ear (421), wherein a plurality of the number-two fixing ears (421) are fixed on the three-jaw chuck (42) at equal intervals along the circumferential direction; A countersunk screw (43), wherein the countersunk screw (43) penetrates the second fixing ear (421) and is connected to the first fixing ear (411) by screwing.

3. A clamping structure for detecting the inner diameter of a bearing ring according to claim 1, characterized in that: The drive assembly (44) comprises: A vertical cylinder (441), wherein the vertical cylinder (441) is fixed to the bottom surface of the rotating disk (2), and a piston rod of the vertical cylinder (441) passes through the rotating disk (2) and is fixedly connected to the lifting platform (41).

4. The clamping structure for detecting the inner diameter of a bearing ring according to claim 1, characterized in that: Also includes: Guide columns (45), a plurality of guide columns (45) are fixed on the bottom surface of the lifting platform (41) at equal intervals along the circumferential direction, and the guide columns (45) penetrate the rotating disk (2).

5. The clamping structure for detecting the inner diameter of a bearing ring according to claim 1, characterized in that: It also includes an auxiliary support mechanism (5), and the auxiliary support mechanism (5) includes: An n-shaped frame (51), the n-shaped frame (51) being elastically connected to the bottom surface of the rotating disk (2); A roller (52), the roller (52) being rotatably mounted in the n-shaped frame (51) and abutting against the top surface of the mounting seat (1).

6. A clamping structure for detecting the inner diameter of a bearing ring according to claim 5, characterized in that: The auxiliary support mechanism (5) further comprises: A telescopic column (53), wherein the telescopic column (53) is fixed between the bottom surface of the rotating disk (2) and the n-shaped frame (51); A telescopic spring (54), wherein the telescopic spring (54) is sleeved on the telescopic column (53) and is located between the bottom surface of the rotating disk (2) and the n-shaped frame (51).

7. A clamping structure for detecting the inner diameter of a bearing ring according to claim 5, characterized in that: The auxiliary support mechanisms (5) are arranged in multiple groups at equal intervals along the circumferential direction.

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