Bearing clearance detection equipment

Abstract

The invention relates to the technical field of bearing detection, and particularly provides bearing clearance detection equipment which comprises a machine table, and a workbench and a feeding mechanism are arranged at the upper end of the machine table; a first detection station, a first NG station, a second detection station, a second NG station, a third detection station and a third NG station are sequentially arranged on the workbench; a flexibility detection mechanism, a first material kicking mechanism, an axial clearance detection mechanism, a second material kicking mechanism, a radial clearance detection mechanism and a third material kicking mechanism are sequentially arranged along one side of the workbench; rotation flexibility detection, axial clearance detection and radial clearance detection of the bearing are integrated on the same equipment, the overall automation and mechanization degree is high, and the detection efficiency of the bearing is effectively improved; the clearance of the bearing can be detected by detecting the deformation quantity of the elastic body, a measuring pen does not need to be inserted into the bearing, the problems of lubricating oil pollution, abrasion and the like can be avoided, and the finished product quality of bearing products is improved.

Description

Technical Field

[0001] The invention relates to the technical field of bearing detection, and in particular to a bearing clearance detection device. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. There are many testing parameters for bearings, such as rotation accuracy, vibration, axial clearance, radial clearance, etc. Among them, bearing clearance is also called bearing clearance. The so-called bearing clearance refers to the amount of movement when the inner ring or outer ring of the bearing is fixed when it is not installed on the shaft or bearing box, and then the bearing clearance is made to move radially or axially on the side that is not fixed; The radial clearance of the bearing directly affects the operating performance of the bearing, such as noise, vibration and service life, so the detection of bearing clearance is particularly important.

[0003] The published Chinese patent, with publication number CN102175204A, discloses a detection device for measuring the axial clearance and radial clearance of a spherical bearing. The device consists of a dynamometer, a clearance measuring instrument, a loading slide, an unloading slide, a bearing fixture and a frame. The bearing fixture mounts the spherical bearing between two dynamometers, the dynamometer is mounted on the loading / unloading slide, the loading / unloading slide is mounted on the frame; the clearance measuring instrument is fixed on the frame. The present invention integrates the axial clearance detection and radial clearance detection of the spherical bearing into one device, and the axial clearance and radial clearance of the spherical bearing can be measured by replacing different bearing fixtures.

[0004] The detection device disclosed in the above patent requires the detection instrument to be connected to the bearing, which will cause problems such as lubricating oil contamination and wear, affecting the quality of the finished bearing product. Summary of the invention

[0005] In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a bearing clearance detection device for solving the problem in the prior art that a detection instrument needs to be inserted into the bearing, which affects the quality of the finished bearing product.

[0006] To achieve the above-mentioned purpose and other related purposes, the present invention provides a bearing clearance detection device, including a machine platform, wherein the upper end of the machine platform is provided with a workbench and a feeding mechanism for feeding materials onto the workbench; The workbench is provided with a first inspection station, a first NG station, a second inspection station, a second NG station, a third inspection station, and a third NG station in sequence; Along one side of the workbench, there are arranged in sequence corresponding to the order of each workstation a flexibility detection mechanism, a first kicking mechanism, an axial clearance detection mechanism, a second kicking mechanism, a radial clearance detection mechanism, and a third kicking mechanism; the flexibility detection mechanism is used to detect the rotational flexibility of the bearing, and the first kicking mechanism is used to kick the bearing that fails the flexibility detection; the axial clearance detection mechanism is used to detect the axial clearance of the bearing, and the second kicking mechanism is used to kick the bearing that fails the axial clearance detection; the radial clearance detection mechanism is used to detect the radial clearance of the bearing, and the third kicking mechanism is used to kick the bearing that fails the radial clearance detection; The flexibility detection mechanism comprises: The first cylinder module; A first support provided on the movable end of the first cylinder module; a first rotating motor mounted on the upper end of the first support, a test turntable mounted on the output end of the first rotating motor, the test turntable being in rotational contact with the bearing disposed on the first inspection station; The axial play detection mechanism comprises: a second cylinder module, a second support being provided on the movable end of the second cylinder module; The second support is provided with a first elastic body which can be reset, and the second support is connected with a pressing block via the first elastic body; A second ejection cylinder is provided below the workbench corresponding to the second inspection station, a second ejection plate is provided on the output end of the second ejection cylinder, and the second ejection plate can be movably extended to the second inspection station; a second elastic body is connected between the output end of the second ejection cylinder and the fixed end of the second cylinder module; The first elastic body and the second elastic body are both arranged radially relative to the bearing; A first measuring pen is mounted on the first elastic body, and the first measuring pen measures the deformation of the first elastic body to detect the axial clearance of the bearing; The radial clearance detection mechanism comprises: a third cylinder module, a third top plate is provided on the movable end of the third cylinder module, and the third top plate can be movably extended to a third detection station; The fixed end side end of the third cylinder module is equipped with a first push cylinder, the output end of the first push cylinder is provided with a push rod, and a third elastic body is provided between the push rod and the third cylinder module; the fixed end upper end of the third cylinder module is equipped with a second push cylinder, and the output end of the second push cylinder is provided with a tapered pin; A fourth elastic body is also installed on the upper end of the fixed end of the third cylinder module, and the third elastic body and the fourth elastic body are both axially arranged relative to the bearing; a rotating wheel is arranged on the movable end of the fourth elastic body, and a conical pin is matched with the rotating wheel for rotation and advancement; A second measuring pen is mounted on the fourth elastic body, and the second measuring pen measures the deformation of the fourth elastic body to detect the radial clearance of the bearing; A shift fork material shifting mechanism is provided on the other side of the workbench, which is used for sequentially shifting the bearings on the workbench.

[0007] In one embodiment of the present invention, a first ejection cylinder is installed at the lower end of the workbench corresponding to the first inspection station, a ejection block is provided on the output end of the first ejection cylinder, a stepped material trough is provided at the upper end of the ejection block, and a bearing is rotatably placed in the stepped material trough.

[0008] In one embodiment of the present invention, a limit rod is installed on one side of the workbench through a bracket, and the limit rod extends above the first inspection station to limit the active propulsion position of the first cylinder module.

[0009] In one embodiment of the present invention, the first kicking mechanism, the second kicking mechanism, and the third kicking mechanism are the same mechanism, and all include: A third ejecting cylinder is arranged at the lower end of the workbench, and a fourth ejecting plate is arranged on the output end of the third ejecting cylinder, and the fourth ejecting plate is used to eject the NG material; A kicking cylinder is arranged above the workbench, and a kicking plate is provided on the output end of the kicking cylinder to kick out NG materials.

[0010] In one embodiment of the present invention, the first elastic body, the second elastic body, the third elastic body, and the fourth elastic body have the same structure, and all include: a rectangular body, one end of the rectangular body is a fixed end, and the other end is a movable end, and deformation areas are provided on the upper and lower sides between the fixed end and the movable end of the rectangular body; The movable end is connected with a movable plate, and the movable plate is used for synchronously displaying the deformation amount of the elastic body.

[0011] In one embodiment of the present invention, the fork material shifting mechanism includes an electric cylinder module for providing horizontal transmission parallel to the workbench; A first cylinder is provided on the movable end of the electric cylinder module for providing horizontal transmission perpendicular to the workbench; A profile support is arranged on the output end of the first cylinder, and a plurality of material forks distributed in parallel are arranged on the profile support.

[0012] In one embodiment of the present invention, the electric cylinder module includes: The first mold base; A first linear guide rail mounted in the first die base; A first slider slidably engaged on the first linear guide rail, wherein the first slider is a movable end of the electric cylinder module; An electric cylinder is mounted on one end of the first die base, and an output end of the electric cylinder is connected to the first slide block.

[0013] In one embodiment of the present invention, the feeding mechanism comprises: Drive motor; A pair of belt pulleys for coordinated transmission, with the output end of the driving motor connected to one of the belt pulleys; A transmission belt is simultaneously sleeved on a pair of matching transmission pulleys.

[0014] In one embodiment of the present invention, the first cylinder module, the second cylinder module, and the third cylinder module are the same modules, and each includes: A second die base, the second die base being a fixed end of the cylinder die set; A second linear guide rail mounted in the second die base; A second slider slidably engaged on the second linear guide rail, wherein the second slider is a movable end of the cylinder module; A second cylinder is arranged at one end of the second die base, and an output end of the second cylinder is connected to the second sliding block.

[0015] As described above, the bearing clearance detection device of the present invention has the following beneficial effects: The present invention can detect the rotational flexibility of the bearing by setting up a flexibility detection mechanism to screen out products with unqualified rotation flexibility; by setting up an axial clearance detection mechanism and a radial clearance detection mechanism, the two elastic bodies used in the axial clearance detection mechanism are both radially arranged relative to the bearing, the axial clearance detection mechanism presses the outer ring end face of the bearing, pushes the inner ring end face and drives the first elastic body to deform at the same time, so that an axial gap is generated between the outer ring and the inner ring of the bearing and the clearance value is displayed correspondingly through the deformation amount of the first elastic body, thereby realizing the axial clearance detection of the bearing; the two elastic bodies used in the radial clearance detection mechanism are both axially arranged relative to the bearing, the radial clearance detection mechanism fixes the inner ring, pushes the outer ring diameter and drives the fourth elastic body to deform at the same time, so that a radial gap is generated between the outer ring and the inner ring of the bearing The gap is detected by the corresponding display of the clearance value through the deformation of the fourth elastomer, so as to realize the radial clearance detection of the bearing; the axial clearance detection mechanism and the radial clearance detection mechanism both adopt the deformation of the elastomer to synchronously display the clearance of the bearing, and the measuring pen can obtain the clearance value of the bearing by measuring the deformation of the elastomer from the outside. The detection method is simple and efficient, and there is no need to intervene in the inside of the bearing; the present invention integrates the rotation flexibility detection, axial clearance detection and radial clearance detection of the bearing on the same equipment, with a high degree of overall automation and mechanization, which effectively improves the detection efficiency of the bearing; the clearance detection of the bearing can be carried out by detecting the deformation of the elastomer, without inserting the measuring pen into the bearing, avoiding the contact between the measuring pen and the outer ring and the inner ring, avoiding problems such as lubricating oil pollution and wear, and improving the finished product quality of the bearing product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1Shown is a schematic diagram of the overall structure of the bearing clearance detection device disclosed in the present invention.

[0017] Figure 2 Shown is an enlarged view of the feeding mechanism in the bearing clearance detection device disclosed in the present invention.

[0018] Figure 3 Shown is an enlarged view of the flexibility detection mechanism and the first kicking mechanism in the bearing clearance detection device disclosed in the present invention.

[0019] Figure 4 Display as Figure 3 An enlarged view of the first cylinder module.

[0020] Figure 5 Shown is an enlarged view of the axial clearance detection mechanism in the bearing clearance detection device disclosed in the present invention.

[0021] Figure 6 Shown is an enlarged view of the radial clearance detection mechanism in the bearing clearance detection device disclosed in the present invention.

[0022] Figure 7 Display as Figure 5 An enlarged view of the first elastic body and the first testing pen.

[0023] Figure 8 Shown is an enlarged view of the shift fork material shifting mechanism in the bearing clearance detection device disclosed in the present invention.

[0024] Component number description Machine 1; workbench 2; first inspection station 21; first NG station 22; second inspection station 23; second NG station 24; third inspection station 25; third NG station 26; Feeding mechanism 3; driving motor 31; pulley 32; transmission belt 33; baffle plate 34; Flexibility detection mechanism 4; first cylinder module 41; first support 42; first rotary motor 43; test turntable 44; first ejector cylinder 45; ejector block 46; stepped material trough 461; limit rod 47; Axial play detection mechanism 6; second cylinder module 61; second support 62; first elastic body 63; pressing block 64; second ejector cylinder 65; second ejector plate 66; second elastic body 67; first measuring pen 68; Radial clearance detection mechanism 8; third cylinder module 81; third top plate 82; first push cylinder 83; push rod 84; third elastic body 85; second push cylinder 86; tapered pin 87; fourth elastic body 88; rotating wheel 89; second measuring pen 810; Rectangular body 10; fixed end 101; movable end 102; deformation area 103; movable plate 104; Fork material shifting mechanism 11; electric cylinder module 111; first die base 1111; first linear guide rail 1112; first slide block 1113; electric cylinder 1114; first air cylinder 112; profile bracket 113; material fork 114; The first kicking mechanism 5; the second kicking mechanism 7; the third kicking mechanism 9; the third ejecting cylinder 12; the fourth ejecting plate 13; the kicking cylinder 14; the kicking plate 15; The second die base 16; the second linear guide rail 17; the second slide block 18; and the second cylinder 19. DETAILED DESCRIPTION

[0025] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0026] See also Figures 1 to 8 . It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. Changes or adjustments in their relative relationships should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0027] Example 1, please refer to Figure 1-Figure 2 The present embodiment provides a bearing clearance detection device, including a machine 1, wherein a workbench 2 and a feeding mechanism 3 for feeding materials to the workbench 2 are provided at the upper end of the machine 1; the feeding mechanism 3 includes a driving motor 31, a pair of matched transmission pulleys 32, and a transmission belt 33, wherein the output end of the driving motor 31 is connected to one of the pulleys 32, and the transmission belt 33 is simultaneously sleeved on a pair of matched transmission pulleys 32, and the driving motor 31 drives the pulley 32 to rotate, driving the transmission belt 33 to circulate and feed materials in a circumferential manner; an L-shaped material baffle plate 34 is provided at the output end of the feeding mechanism 3 to prevent materials from flying out.

[0028] The workbench 2 is provided with a first inspection station 21, a first NG station 22, a second inspection station 23, a second NG station 24, a third inspection station 25, and a third NG station 26 in sequence; along one side of the workbench 2, a flexibility detection mechanism 4, a first kicking mechanism 5, an axial clearance detection mechanism 6, a second kicking mechanism 7, a radial clearance detection mechanism 8, and a third kicking mechanism 9 are provided in sequence corresponding to the sequence of each station; the flexibility detection mechanism 4 is used to detect the rotational flexibility of the bearing, and the first kicking mechanism 5 is used to kick the bearing that fails the flexibility test; the axial clearance detection mechanism 6 is used to detect the axial clearance of the bearing, and the second kicking mechanism 7 is used to kick the bearing that fails the axial clearance test; the radial clearance detection mechanism 8 is used to detect the radial clearance of the bearing, and the third kicking mechanism 9 is used to kick the bearing that fails the radial clearance test.

[0029] See also Figure 3 The flexibility detection mechanism 4 includes a first cylinder module 41, a first support 42 arranged on the movable end of the first cylinder module 41, a first rotating motor 43 installed on the upper end of the first support 42, and a test turntable 44 installed on the output end of the first rotating motor 43, and the test turntable 44 is in rotational contact with the bearing placed on the first detection station 21; the lower end of the workbench 2 corresponding to the first detection station 21 is equipped with a first ejection cylinder 45, and the output end of the first ejection cylinder 45 is provided with an ejection block 46, and the upper end of the ejection block 46 is provided with a stepped material trough 461, and the bearing is rotatably placed in the stepped material trough 461; a limit rod 47 is installed on one side of the workbench 2 through a bracket, and the limit rod 47 extends to the top of the first detection station 21, and is used to limit the active pushing position of the first cylinder module 41; during testing, the first ejecting cylinder 45 ejects the ejecting block 46, so that the bearing falls into the stepped material groove 461 at the upper end of the ejecting block 46; the first cylinder module 41 pushes the test turntable 44 to a position above the workbench 2 close to the limit rod 47, and the first rotating motor 43 drives the test turntable 44 to rotate and contact with the bearing to test the rotation flexibility of the bearing; if the flexibility of the bearing is poor, it will cause unstable operation of the machine and affect the service life and efficiency of the machine. Therefore, the rotation flexibility of the bearing is the key to ensuring efficient and stable operation of the machine; the present invention can detect the rotation flexibility of the bearing by setting a flexibility detection mechanism 4 to screen out products with unqualified rotation.

[0030] See also Figure 5The axial clearance detection mechanism 6 includes a second cylinder module 61, and a second support 62 is provided on the movable end of the second cylinder module 61; a resettable first elastic body 63 is installed on the second support 62, and the second support 62 is connected to a pressure block 64 through the first elastic body 63; a second ejection cylinder 65 is provided below the workbench 2 corresponding to the second detection station 23, and a second ejection plate 66 is provided on the output end of the second ejection cylinder 65, and the second ejection plate 66 can be movably extended into the second detection station 23; the output end of the second ejection cylinder 65 is connected to the first ejection cylinder 65, and the second ejection cylinder 66 can be movably extended to the second detection station 23; A second elastic body 67 is connected between the fixed ends of the two cylinder modules 61; the first elastic body 63 and the second elastic body 67 are both arranged radially relative to the bearing; the second cylinder module 61 drives the pressure block 64 to press the end face of the outer ring of the bearing, and the second ejection cylinder 65 drives the second ejection plate 66 to push the end face of the inner ring and drive the first elastic body 63 to deform at the same time, so that an axial gap is generated between the outer ring and the inner ring of the bearing. A first measuring pen 68 is installed on the first elastic body 63, and the first measuring pen 68 measures the deformation amount of the first elastic body 63 to realize the axial clearance detection of the bearing.

[0031] See also Figure 6 The radial clearance detection mechanism 8 comprises: a third cylinder module 81, a third top plate 82 is provided on the movable end of the third cylinder module 81, and the third top plate 82 can be movably extended to the third detection station 25; a first push cylinder 83 is installed on the fixed end side end of the third cylinder module 81, a push rod 84 is provided on the output end of the first push cylinder 83, and a third elastic body 85 is provided between the push rod 84 and the third cylinder module 81; a second push cylinder 86 is installed on the upper end of the fixed end of the third cylinder module 81, and a tapered pin 87 is provided on the output end of the second push cylinder 86; a fourth elastic body 88 is also installed on the upper end of the fixed end of the third cylinder module 81, and the third elastic body 85 and the fourth elastic body 88 are connected to each other. 8 are axially arranged relative to the bearings; a rotating wheel 89 is provided on the movable end of the fourth elastic body 88, and a tapered pin 87 is rotated and pushed in cooperation with the rotating wheel 89; the third cylinder module 81 drives the third top plate 82 to lift the bearing and fix the inner ring, and the bearing is clamped by the push rod 84 and the fourth elastic body 88, the first push cylinder 83 drives the push rod 84 to move radially, and the second push cylinder 86 drives the tapered pin 87 to cooperate with the rotating wheel 89 in a taper, so that the fourth elastic body 88 moves radially to push the outer ring diameter, so that a radial gap is generated between the outer ring and the inner ring of the bearing; a second measuring pen 810 is installed on the fourth elastic body 88, and the second measuring pen 810 measures the deformation of the fourth elastic body 88 to realize the radial clearance detection of the bearing.

[0032] See also Figure 7The first elastomer 63, the second elastomer 67, the third elastomer 85 and the fourth elastomer 88 have the same structure, and all include: a rectangular body 10, one end of the rectangular body 10 is a fixed end 101, and the other end is a movable end 102, and deformation areas 103 are provided on the upper and lower sides between the fixed end 101 and the movable end 102 of the rectangular body 10; a movable plate 104 is connected to the movable end 102, and the movable plate 104 is used to synchronously display the deformation amount of the elastic body.

[0033] In the present invention, the two elastic bodies used in the axial clearance detection mechanism 6 are both radially arranged relative to the bearing. The axial clearance detection mechanism 6 presses the outer ring end face of the bearing, pushes the inner ring end face and drives the first elastic body 63 to deform at the same time, so that an axial gap is generated between the outer ring and the inner ring of the bearing, and the clearance value is displayed correspondingly through the deformation amount of the first elastic body 63, so as to realize the axial clearance detection of the bearing; the two elastic bodies used in the radial clearance detection mechanism 8 are both axially arranged relative to the bearing, and the radial clearance detection mechanism 8 fixes the inner ring, pushes the outer ring diameter and drives the fourth elastic body 88 to deform at the same time, so that a radial gap is generated between the outer ring and the inner ring of the bearing, and the clearance value is displayed correspondingly through the deformation amount of the fourth elastic body 88, so as to realize the radial clearance detection of the bearing; the axial clearance detection mechanism 6 and the radial clearance detection mechanism 8 both use the deformation of the elastic body to synchronously display the clearance of the bearing, and the measuring pen can obtain the clearance value of the bearing by measuring the deformation amount of the elastic body from the outside. The detection method is simple and efficient, and there is no need to intervene in the inside of the bearing; and the axial clearance detection and radial clearance detection of the bearing do not allow the placement position of the bearing to be changed, which is convenient for material transfer.

[0034] See also Figure 8 A fork material shifting mechanism 11 is provided on the other side of the workbench 2, which is used to sequentially shift the bearings on the workbench 2; specifically, the fork material shifting mechanism 11 includes an electric cylinder module 111, which is used to provide horizontal transmission parallel to the workbench 2; a first cylinder 112 is provided on the movable end of the electric cylinder module 111, which is used to provide horizontal transmission perpendicular to the workbench 2; a profile bracket 113 is provided on the output end of the first cylinder 112, and a plurality of parallel distributed material forks 114 are provided on the profile bracket 113; the electric cylinder module 111 cooperates with the first cylinder 112 to drive the profile bracket 113 to drive the material fork 114 to move the material and gradually shift the material between the various workstations on the workbench 2.

[0035] Embodiment 2, based on Embodiment 1, the first kicking mechanism 5, the second kicking mechanism 7, and the third kicking mechanism 9 are the same mechanisms, and all include: a third material-lifting cylinder 12 provided at the lower end of the workbench 2, and a fourth lift plate 13 is provided on the output end of the third material-lifting cylinder 12, and the fourth lift plate 13 is used to lift up the NG material; A kicking cylinder 14 is arranged above the workbench 2, and a kicking plate 15 is provided on the output end of the kicking cylinder 14 for kicking out NG materials.

[0036] Embodiment 3, based on Embodiment 1, the electric cylinder module 111 includes a first mold base 1111, a first linear guide 1112 assembled in the first mold base 1111, a first slider 1113 slidably fitted on the first linear guide 1112, and an electric cylinder 1114 assembled at one end of the first mold base 1111, and the output end of the electric cylinder 1114 is connected to the first slider 1113; the first slider 1113 is the movable end of the electric cylinder module 111; the first slider 1113 is driven by the electric cylinder 1114 to slide along the first linear guide 1112 to realize the linear transmission of the electric cylinder module 111.

[0037] Example 4, please refer to Figure 4 Based on Example 1, the first cylinder module 41, the second cylinder module 61, and the third cylinder module 81 are the same modules, all of which include: a second die base 16, a second linear guide 17 assembled in the second die base 16, a second slider 18 slidably fitted on the second linear guide 17, and a second cylinder 19 arranged at one end of the second die base 16, and the output end of the second cylinder 19 is connected to the second slider 18; the second die base 16 is the fixed end of the cylinder module, and the second slider 18 is the movable end of the cylinder module; the second slider 18 is driven by the second cylinder 19 to move on the second linear guide 17 to realize the linear transmission of the cylinder module.

[0038] In summary, the present invention integrates the bearing's rotation flexibility detection, axial clearance detection, and radial clearance detection on the same device, with a high degree of overall automation and mechanization, effectively improving the bearing's detection efficiency; the bearing's clearance detection can be done by detecting the deformation of the elastic body, without inserting the measuring pen into the bearing, avoiding contact between the measuring pen and the outer ring and the inner ring, and avoiding problems such as lubricating oil pollution and wear, thereby improving the quality of the finished bearing product. Therefore, the present invention effectively overcomes the various shortcomings of the prior art and has a high industrial utilization value.

[0039] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical ideas disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A bearing clearance detection device, comprising a machine platform, wherein the upper end of the machine platform is provided with a workbench and a feeding mechanism for feeding materials onto the workbench; It is characterized in that The workbench is provided with a first inspection station, a first NG station, a second inspection station, a second NG station, a third inspection station, and a third NG station in sequence; Along one side of the workbench, there are arranged in sequence corresponding to the order of each workstation a flexibility detection mechanism, a first kicking mechanism, an axial clearance detection mechanism, a second kicking mechanism, a radial clearance detection mechanism, and a third kicking mechanism; the flexibility detection mechanism is used to detect the rotational flexibility of the bearing, and the first kicking mechanism is used to kick the bearing that fails the flexibility detection; the axial clearance detection mechanism is used to detect the axial clearance of the bearing, and the second kicking mechanism is used to kick the bearing that fails the axial clearance detection; the radial clearance detection mechanism is used to detect the radial clearance of the bearing, and the third kicking mechanism is used to kick the bearing that fails the radial clearance detection; The flexibility detection mechanism comprises: The first cylinder module; A first support provided on the movable end of the first cylinder module; a first rotating motor mounted on the upper end of the first support, a test turntable mounted on the output end of the first rotating motor, the test turntable being in rotational contact with the bearing disposed on the first inspection station; The axial play detection mechanism comprises: a second cylinder module, a second support being provided on the movable end of the second cylinder module; The second support is provided with a first elastic body which can be reset, and the second support is connected with a pressing block via the first elastic body; A second ejection cylinder is provided below the workbench corresponding to the second inspection station, a second ejection plate is provided on the output end of the second ejection cylinder, and the second ejection plate can be movably extended to the second inspection station; a second elastic body is connected between the output end of the second ejection cylinder and the fixed end of the second cylinder module; The first elastic body and the second elastic body are both arranged radially relative to the bearing; A first measuring pen is mounted on the first elastic body, and the first measuring pen measures the deformation of the first elastic body to detect the axial clearance of the bearing; The radial clearance detection mechanism comprises: a third cylinder module, a third top plate is provided on the movable end of the third cylinder module, and the third top plate can be movably extended to a third detection station; The fixed end side end of the third cylinder module is equipped with a first push cylinder, the output end of the first push cylinder is provided with a push rod, and a third elastic body is provided between the push rod and the third cylinder module; the fixed end upper end of the third cylinder module is equipped with a second push cylinder, and the output end of the second push cylinder is provided with a tapered pin; A fourth elastic body is also installed on the upper end of the fixed end of the third cylinder module, and the third elastic body and the fourth elastic body are both axially arranged relative to the bearing; a rotating wheel is arranged on the movable end of the fourth elastic body, and a conical pin is matched with the rotating wheel for rotation and advancement; A second measuring pen is mounted on the fourth elastic body, and the second measuring pen measures the deformation of the fourth elastic body to detect the radial clearance of the bearing; A shift fork material shifting mechanism is provided on the other side of the workbench, which is used for sequentially shifting the bearings on the workbench.

2. The bearing clearance detection device according to claim 1, characterized in that: The lower end of the workbench corresponding to the first inspection station is equipped with a first ejection cylinder, the output end of the first ejection cylinder is provided with an ejection block, the upper end of the ejection block is provided with a stepped material trough, and the bearing is rotatably placed in the stepped material trough.

3. The bearing clearance detection device according to claim 2, characterized in that: A limit rod is installed on one side of the workbench through a bracket. The limit rod extends above the first detection station and is used to limit the active advancement position of the first cylinder module.

4. The bearing clearance detection device according to claim 1, characterized in that: The first kicking mechanism, the second kicking mechanism, and the third kicking mechanism are the same mechanism and include: A third ejecting cylinder is arranged at the lower end of the workbench, and a fourth ejecting plate is arranged on the output end of the third ejecting cylinder, and the fourth ejecting plate is used to eject the NG material; A kicking cylinder is arranged above the workbench, and a kicking plate is provided on the output end of the kicking cylinder to kick out NG materials.

5. The bearing clearance detection device according to claim 1, characterized in that: The first elastic body, the second elastic body, the third elastic body and the fourth elastic body have the same structure and all include: a rectangular body, one end of the rectangular body is a fixed end and the other end is a movable end, and deformation areas are provided on the upper and lower sides between the fixed end and the movable end of the rectangular body; The movable end is connected with a movable plate, and the movable plate is used for synchronously displaying the deformation amount of the elastic body.

6. The bearing clearance detection device according to claim 1, characterized in that: The shift fork material transfer mechanism includes an electric cylinder module for providing horizontal transmission parallel to the workbench; A first cylinder is provided on the movable end of the electric cylinder module for providing horizontal transmission perpendicular to the workbench; A profile support is arranged on the output end of the first cylinder, and a plurality of material forks distributed in parallel are arranged on the profile support.

7. The bearing clearance detection device according to claim 6, characterized in that: The electric cylinder module comprises: The first mold base; A first linear guide rail mounted in the first die base; A first slider slidably engaged on the first linear guide rail, wherein the first slider is a movable end of the electric cylinder module; An electric cylinder is mounted on one end of the first die base, and an output end of the electric cylinder is connected to the first slide block.

8. The bearing clearance detection device according to claim 1, characterized in that: The feeding mechanism comprises: Drive motor; A pair of belt pulleys for transmission, the output end of the driving motor is connected to one of the belt pulleys; A transmission belt is simultaneously sleeved on a pair of matching transmission pulleys.

9. The bearing clearance detection device according to claim 1, characterized in that: The first cylinder module, the second cylinder module, and the third cylinder module are the same modules, and each includes: A second die base, the second die base being a fixed end of the cylinder die set; A second linear guide rail mounted in the second die base; A second slider slidably engaged on the second linear guide rail, wherein the second slider is a movable end of the cylinder module; A second cylinder is arranged at one end of the second die base, and an output end of the second cylinder is connected to the second sliding block.

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