Device and method for detecting circle of welded cylindrical retainer

Abstract

The invention discloses a welded cylindrical retainer circle detection device and detection method, the welded cylindrical retainer circle detection device comprises a rack and a detection device connected with the rack, the detection device comprises a fixed roller, a moving roller, a longitudinal adjusting device, a longitudinal moving device, a transverse moving device and a dial indicator, a retainer to be detected is matched with the fixed roller and the moving roller; the device further comprises a control unit, and the control unit is connected with the longitudinal moving device, the transverse moving device, the longitudinal adjusting device and the dial indicator. In the detection process, the control unit controls the longitudinal adjusting device, the longitudinal moving device and the transverse moving device to automatically adjust and controls the dial indicator to automatically read and record. According to the automatic detection device, automatic detection of the roundness of the welded cylindrical retainer can be realized, full detection of each pocket of the retainer can be realized, the detection precision is greatly improved, the product quality is ensured, the labor intensity of detection work is greatly reduced, and the labor cost is saved.

Description

Technical Field

[0001] The present application belongs to the technical field of bearing retainers, and specifically relates to a device and method for detecting the circle of a welded cylindrical retainer. Background Art

[0002] The cage is a very important bearing accessory with very high precision requirements. It is one of the important components of the bearing. Especially for precision bearings, the quality of the cage has a great impact on the bearing performance. Therefore, the precision requirements for the coaxiality and roundness of the cage are relatively high. At present, the coaxiality of the cage is mainly detected by manually using a dial indicator or micrometer to detect the wall thickness difference at certain points, and the roundness of the cage is detected by using a dial indicator or micrometer to detect whether there is an ellipse at several points in the outer circle. Due to the small number of samples and the large error of the manual use of a dial indicator or micrometer, the accuracy is low and batch detection is not possible.

[0003] This shows that the prior art still has certain defects. Summary of the invention

[0004] The present application provides a welding cylindrical retainer circle detection device and detection method to solve at least one of the above-mentioned technical problems.

[0005] The technical solution adopted in this application is:

[0006] In a first aspect, the present application provides a device for detecting the circle of a welded cylindrical retainer, comprising a frame and a detection device connected to the frame, the detection device comprising a fixed roller, a movable roller, a longitudinal adjustment device, a longitudinal movable device, a transverse movable device and a dial indicator, the retainer to be tested cooperates with the fixed roller and the movable roller; the fixed roller is connected to the frame, the movable roller is connected to the transverse movable device, the transverse movable device is connected to the longitudinal movable device and can move transversely relative to the longitudinal movable device, the longitudinal movable device is connected to the longitudinal adjustment device and can move longitudinally relative to the longitudinal adjustment device, and the dial indicator is connected to the longitudinal adjustment device;

[0007] It also includes a control unit, which is respectively connected to the longitudinal swimming device, the transverse swimming device, the longitudinal adjustment device and the dial indicator.

[0008] As a preferred embodiment of the present application, the frame includes a column and a detection platform arranged on the upper part of the column, the upper part of the detection platform has a detection plane, and the fixed roller is installed on the detection plane;

[0009] The detection platform is also provided with a longitudinal swimming groove, and at least a part of the transverse swimming device penetrates into the longitudinal swimming groove and is connected with the swimming roller.

[0010] As a preferred embodiment of the present application, the longitudinal swimming device includes a longitudinal swimming bracket supporting the transverse swimming device and a longitudinal spring respectively connected to the longitudinal swimming bracket and the longitudinal adjustment device; the longitudinal swimming bracket is provided with a detection rod for contacting and cooperating with the measuring rod of the dial indicator.

[0011] As a preferred embodiment of the present application, the detection device further comprises a detection bracket arranged at the lower part of the detection platform, and the detection bracket comprises a bearing plate; the longitudinal adjustment device is arranged at the upper part of the bearing plate.

[0012] As a preferred embodiment of the present application, the longitudinal adjustment device includes a longitudinal adjustment drive, a longitudinal slider, a longitudinal guide assembly and a dial indicator fixing plate, the dial indicator fixing plate is connected to the longitudinal slider, the longitudinal adjustment drive is coordinated with the longitudinal slider, and the longitudinal slider can move longitudinally relative to the supporting plate under the action of the longitudinal adjustment drive.

[0013] As a preferred embodiment of the present application, the longitudinal guide assembly includes two longitudinally arranged guide rods, and the longitudinal sliding block is provided with guide holes matching with the guide rods.

[0014] As a preferred embodiment of the present application, the longitudinal swimming device also includes a longitudinal slide plate arranged at the bottom of the longitudinal swimming bracket, and the upper part of the dial indicator fixing plate is provided with a longitudinal slide rail matching with the longitudinal slide plate.

[0015] As a preferred embodiment of the present application, the lateral swimming device includes a mounting plate, a pad and a lateral drive assembly, the mounting plate is connected to the lateral drive assembly, the pad is arranged on the upper part of the mounting plate, and the swimming roller is connected to the pad.

[0016] As a preferred implementation of the present application, along the vertical direction, the heights of the bottoms of the movable roller and the fixed roller are both higher than the height of the detection plane.

[0017] In a second aspect, the present application provides a method for detecting the circle of a welded cylindrical retainer, using the device for detecting the circle of a welded cylindrical retainer as described in any one of claims 1 to 9, comprising the following steps:

[0018] Step 1: According to the product specifications of the cage to be tested, the control unit controls the longitudinal adjustment device to adjust the predicted position of the dial indicator and zero the dial indicator;

[0019] Step 2: Install the cage to be tested on the testing plane so that the floating roller and the fixed roller fit with one of the pockets to be tested on the cage to be tested;

[0020] Step 3: The dial indicator detects the roundness data of the pocket to be tested that is in contact with the movable roller, and the control unit automatically reads and records the data;

[0021] Step 4: Rotate the cage to be tested clockwise or counterclockwise to make the pocket to be tested not to be tested contact with the floating roller and repeat step 3.

[0022] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:

[0023] By adopting the above-mentioned welded cylindrical cage roundness detection device and detection method, it is possible to automatically detect the roundness of the welded cylindrical cage and to fully inspect each pocket of the cage, which greatly improves the detection accuracy, is beneficial to ensuring product quality, and also greatly reduces the labor intensity of the detection work and saves labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0025] Figure 1 It is a structural schematic diagram of a device for detecting the circle of a welded cylindrical cage;

[0026] Figure 2 It is a schematic diagram of the structures of the longitudinal adjustment device, the longitudinal swimming device and the transverse swimming device;

[0027] Figure 3 It is a schematic diagram of the electrical connection of the CRB retainer circle detection device.

[0028] List of parts and reference numerals:

[0029] 1 frame, 11 columns, 12 testing table, 121 testing plane, 122 longitudinal swimming groove;

[0030] 21 fixed roller, 22 movable roller;

[0031] 3 longitudinal adjustment device, 31 longitudinal adjustment drive, 32 guide rod, 33 longitudinal slide block, 34 dial indicator fixing plate;

[0032] 4 longitudinal swimming device, 41 longitudinal swimming bracket, 411 detection rod, 42 longitudinal spring, 43 longitudinal slide plate;

[0033] 5 lateral swimming device, 51 mounting plate, 52 cushion block, 53 lateral driving assembly;

[0034] 6. Dial indicator;

[0035] 7. Control unit;

[0036] 8 Loading plate. DETAILED DESCRIPTION

[0037] In order to more clearly illustrate the overall concept of the present application, a detailed description is given below in an illustrative manner in conjunction with the accompanying drawings.

[0038] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present application and the features in each embodiment may be combined with each other without conflict.

[0039] In addition, in the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0040] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0041] In the present application, unless otherwise clearly specified and limited, a first feature "above" or "below" a second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0042] Reference Figure 1-3As shown, the present application discloses a welding cylindrical retainer circle detection device, which includes a frame 1 and a detection device connected to the frame 1, the detection device includes a fixed roller 21, a floating roller 22, a longitudinal adjustment device 3, a longitudinal floating device 4, a transverse floating device 5 and a dial indicator 6, the retainer to be tested cooperates with the fixed roller 21 and the floating roller 22; the fixed roller 21 is connected to the frame 1, the floating roller 22 is connected to the transverse floating device 5, the transverse floating device 5 is connected to the longitudinal floating device 4 and can move transversely relative to the longitudinal floating device 4, the longitudinal floating device 4 and the longitudinal adjustment device 3 are connected. The machine frame 1 comprises a column 11 and a detection platform 12 arranged on the upper part of the column 11, the upper part of the detection platform 12 has a detection plane 121, and the fixed roller 21 is installed on the detection plane 121; the detection platform 12 is also provided with a longitudinal swimming groove 122, at least a part of the transverse swimming device 5 penetrates into the longitudinal swimming groove 122 and is connected to the swimming roller 22, and also includes a control unit 7, the control unit 7 is respectively connected to the longitudinal swimming device 4, the transverse swimming device 5, the longitudinal adjustment device 3 and the dial indicator 6.

[0043] In the above scheme, by setting the longitudinal adjustment device 3, the initial setting of the test can be pre-adjusted according to the specifications of the product to be tested, and by the lateral swimming device 5 and the longitudinal swimming device 4, the swimming roller 22 can be adjusted to accurately match the pocket of the cage product to be tested to ensure the detection accuracy, and the above actions can be automatically controlled by the control unit 7. And by connecting the control unit 7 with the dial indicator 6, the automatic reading and automatic recording of the test results can be realized, and the data combing of the control unit 7 can also be used to perform statistical analysis on the quality of the whole batch of parts. In summary, the use of the above detection device is conducive to the automatic detection of the roundness of the welded cylindrical cage and can realize full inspection of each pocket of the cage, which greatly improves the detection accuracy, is conducive to ensuring product quality, and also greatly reduces the labor intensity of the detection work and saves labor costs.

[0044] In one example, referring to Figure 1 and Figure 2 As shown, the detection device also includes a detection bracket arranged at the bottom of the detection platform 12, the detection bracket includes a bearing plate 8, and the longitudinal adjustment device 3 is arranged on the upper part of the bearing plate 8. Specifically, the longitudinal adjustment device 3 includes a longitudinal adjustment drive 31, a longitudinal slider 33, a longitudinal guide component and a dial indicator fixing plate 34, the dial indicator fixing plate 34 is connected to the longitudinal slider 33, the longitudinal adjustment drive 31 and the longitudinal slider 33 are in transmission cooperation, and the longitudinal slider 33 can move longitudinally relative to the bearing plate 8 under the action of the longitudinal adjustment drive 31. Preferably, refer to Figure 2As shown, the longitudinal guide assembly includes two longitudinally arranged guide rods 32, and the longitudinal slider 33 is provided with guide holes matched with the guide rods 32. It should be noted here that in this example, the specific type and setting method of the longitudinal adjustment drive 31 are not specifically limited. It can use a drive cylinder or a motor as a power source, and can also be equipped with an adjustment handle as a manual power backup, or other more different settings can be used.

[0045] Continue to refer to Figure 2 As shown, the longitudinal swimming device 4 includes a longitudinal swimming bracket 41 carrying the transverse swimming device 5 and a longitudinal spring 42 respectively connected to the longitudinal swimming bracket 41 and the longitudinal adjustment device 3; the longitudinal swimming bracket 41 is provided with a detection rod 411 for contacting and cooperating with the measuring rod of the dial gauge 6. Preferably, the longitudinal swimming device 4 also includes a longitudinal slide 43 arranged at the bottom of the longitudinal swimming bracket 41, and the upper part of the dial gauge fixing plate 34 is provided with a longitudinal slide rail cooperating with the longitudinal slide 43. Figure 2 As shown, the lateral swimming device 5 includes a mounting plate 51, a cushion block 52 and a lateral driving assembly 53. The mounting plate 51 is connected to the lateral driving assembly 53. The cushion block 52 is arranged on the upper part of the mounting plate 51, and the swimming roller 22 is connected to the cushion block 52. Preferably, referring to Figure 2 As shown, the transverse drive assembly 53 includes a drive cylinder, a transverse slide block and a transverse slide rail. Of course, it can also adopt other more different configurations, and this example does not specifically limit the configuration of the transverse drive assembly 53.

[0046] As a preferred embodiment of the present application, along the vertical direction, the bottom heights of the movable roller 22 and the fixed roller 21 are higher than the height of the detection plane 121. This arrangement ensures that the cage to be tested does not contact the detection plane 121 during the process of adjusting the pocket position of the cage to be tested, so as to avoid affecting the detection accuracy.

[0047] As a preferred embodiment of the present application, refer to Figure 2 As shown, the fixed roller 21 and the movable roller 22 both include a roller body and a fixed seat, and the roller body and the fixed seat are detachably connected. This arrangement makes it easy to replace the roller body that is compatible with the product pocket according to the product specifications of the cage to be tested, greatly improving the versatility of the detection device in this application.

[0048] It should be noted here that the above example is only a preferred example of the present application. The specific structure of the welded cylindrical retainer circle detection device in the technical solution of the present application is not limited to the above example. It can also be structurally adaptively adjusted according to actual usage needs and installation environment limitations.

[0049] The present application also provides a method for detecting the circle of a welded cylindrical cage, which uses the aforementioned device for detecting the circle of a welded cylindrical cage. The method mainly comprises the following steps:

[0050] Step 1: According to the product specifications of the cage to be tested, the control unit 7 controls the longitudinal adjustment device 3 to adjust the predicted position of the dial indicator 6 and zero the dial indicator 6;

[0051] Step 2: Install the cage to be tested on the testing plane 121, so that the movable roller 22 and the fixed roller 21 are matched with one of the pockets to be tested on the cage to be tested;

[0052] Step 3: The dial gauge 6 detects the roundness data of the pocket to be tested that is in contact with the movable roller 22, and the control unit 7 automatically reads and records the data;

[0053] Step 4: Rotate the cage to be tested clockwise or counterclockwise to make the pocket to be tested that is not tested contact and fit with the floating roller 22 and repeat step 3.

[0054] By adopting the above method, a whole batch of retainer products can be fully tested and the test results can be automatically read and recorded. At the same time, the quality of the whole batch of parts can be statistically analyzed through data sorting by the control unit 7, which is beneficial to the control of product quality.

[0055] Anything not described in this application can be achieved by adopting or drawing on existing technologies.

[0056] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0057] The above is only an embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A welding cylindrical retainer circle detection device, characterized in that: It comprises a frame and a detection device connected to the frame, the detection device comprises a fixed roller, a floating roller, a longitudinal adjustment device, a longitudinal floating device, a transverse floating device and a dial indicator, the retaining frame to be tested cooperates with the fixed roller and the floating roller; the fixed roller is connected to the frame, the floating roller is connected to the transverse floating device, the transverse floating device is connected to the longitudinal floating device and can move transversely relative to the longitudinal floating device, the longitudinal floating device is connected to the longitudinal adjustment device and can move longitudinally relative to the longitudinal adjustment device, and the dial indicator is connected to the longitudinal adjustment device; It also includes a control unit, which is respectively connected to the longitudinal swimming device, the transverse swimming device, the longitudinal adjustment device and the dial indicator.

2. The welding cylindrical retainer circle detection device according to claim 1, characterized in that: The frame comprises a column and a detection platform arranged on the upper part of the column, the upper part of the detection platform has a detection plane, and the fixed roller is installed on the detection plane; The detection platform is also provided with a longitudinal swimming groove, and at least a part of the transverse swimming device penetrates into the longitudinal swimming groove and is connected with the swimming roller.

3. The welding cylindrical retainer circle detection device according to claim 2, characterized in that: The longitudinal swimming device comprises a longitudinal swimming bracket carrying the transverse swimming device and a longitudinal spring respectively connected to the longitudinal swimming bracket and the longitudinal adjustment device; the longitudinal swimming bracket is provided with a detection rod for contacting and cooperating with the measuring rod of the dial indicator.

4. The welding cylindrical retainer circle detection device according to claim 3, characterized in that: The detection device also includes a detection bracket arranged at the lower part of the detection platform, and the detection bracket includes a bearing plate; the longitudinal adjustment device is arranged at the upper part of the bearing plate.

5. The welding cylindrical retainer circle detection device according to claim 4, characterized in that: The longitudinal adjustment device includes a longitudinal adjustment drive, a longitudinal slider, a longitudinal guide assembly and a dial indicator fixing plate. The dial indicator fixing plate is connected to the longitudinal slider. The longitudinal adjustment drive is in transmission cooperation with the longitudinal slider. The longitudinal slider can move longitudinally relative to the supporting plate under the action of the longitudinal adjustment drive.

6. The welding cylindrical retainer circle detection device according to claim 5, characterized in that: The longitudinal guide assembly comprises two longitudinally arranged guide rods, and the longitudinal sliding block is provided with guide holes matched with the guide rods.

7. The welding cylindrical retainer circle detection device according to claim 5, characterized in that: The longitudinal swimming device also includes a longitudinal slide plate arranged at the bottom of the longitudinal swimming bracket, and the upper part of the dial indicator fixing plate is provided with a longitudinal slide rail matched with the longitudinal slide plate.

8. The device for detecting the circle of a welded cylindrical retainer according to claim 5, characterized in that: The lateral swimming device comprises a mounting plate, a cushion block and a lateral driving assembly, the mounting plate is connected to the lateral driving assembly, the cushion block is arranged on the upper part of the mounting plate, and the swimming roller is connected to the cushion block.

9. The device for detecting the circle of a welded cylindrical retainer according to claim 5, characterized in that: In the vertical direction, the bottoms of the movable roller and the fixed roller are both higher than the detection plane.

10. A method for detecting the circle of a welded cylindrical retainer, characterized in that: The device for detecting the circle of a welded cylindrical retainer as claimed in any one of claims 1 to 9 comprises the following steps: Step 1: According to the product specifications of the cage to be tested, the control unit controls the longitudinal adjustment device to adjust the predicted position of the dial indicator and zero the dial indicator; Step 2: Install the cage to be tested on the testing plane so that the floating roller and the fixed roller fit with one of the pockets to be tested on the cage to be tested; Step 3: The dial indicator detects the roundness data of the pocket to be tested that is in contact with the movable roller, and the control unit automatically reads and records the data; Step 4: Rotate the cage to be tested clockwise or counterclockwise to make the pocket to be tested that is not tested contact with the floating roller and repeat step 3.

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