Measuring equipment for bearing outer ring

Abstract

The utility model relates to the technical field of bearing detection tools, and provides a measuring device for a bearing outer ring, a chuck is installed on a base, the chuck is used for fixing the bearing outer ring, and the bearing outer ring and the chuck are coaxially arranged; the first driving piece is installed on the base and used for driving the chuck to rotate around the axis of the chuck. The measuring assembly comprises a first measuring piece and a second measuring piece, the first measuring piece is used for obtaining the inner diameter size of the bearing outer ring, and the second measuring piece is used for obtaining the outer diameter size of the bearing outer ring; the adjusting assembly comprises a first adjusting mechanism and a second adjusting mechanism, the first adjusting mechanism can drive the measuring assembly to move in the axial direction of the chuck, and the second adjusting mechanism can drive the measuring assembly to move in the radial direction of the chuck. Therefore, automatic operation of bearing outer ring size measurement is realized, the inner diameter and the outer diameter of the bearing outer ring can be measured at the same time, and the maintenance efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing testing fixture technical field especially relates to a kind of measuring equipment of bearing outer ring. BACKGROUND

[0002] With the continuous progress of manufacturing technology, the precision requirement of bearing applied in practice is higher and higher. The traditional detection means has been difficult to meet the high-precision, high-efficiency requirement of modern industry to bearing appearance size detection. In the past, it mainly relied on caliper, micrometer and other simple tools to carry out artificial measurement, and this way is not only inefficient, but also easily influenced by human factors, and the measurement accuracy is limited.

[0003] Therefore, a kind of measuring equipment of bearing outer ring is needed to solve the above technical problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of measuring equipment of bearing outer ring, realizes the automation operation of bearing outer ring measurement, can complete the inner diameter and outer diameter of bearing outer ring simultaneously, improves the repair efficiency.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The measuring equipment of bearing outer ring comprises:

[0007] Base;

[0008] Chuck, the chuck is installed on the base, the chuck is used to fix bearing outer ring, the bearing outer ring is coaxially arranged with the chuck;

[0009] First driving part, the first driving part is installed on the base, and is used to drive the chuck to rotate around the axis of the chuck;

[0010] Measuring assembly, comprising first measuring part and second measuring part, the first measuring part is used to obtain the inner diameter size of the bearing outer ring, and the second measuring part is used to obtain the outer diameter size of the bearing outer ring;

[0011] Adjusting assembly, comprising first adjusting mechanism and second adjusting mechanism, the first adjusting mechanism can drive the measuring assembly to move along the axial direction of the chuck, and the second adjusting mechanism can drive the measuring assembly to move along the radial direction of the chuck.

[0012] As a preferred technical scheme of the measuring equipment of bearing outer ring, the chuck comprises disc body and at least two clamping jaws, the output end of the first driving part is in transmission with the disc body, and the clamping jaws are uniformly distributed around the axis of the disc body and can move along the radial direction of the disc body.

[0013] As a kind of preferred technical scheme of the measuring device of the bearing outer ring, the first measuring member is provided with two, and the two are distributed in the radial direction of the chuck, and can abut against the inner peripheral wall of the bearing outer ring.

[0014] As a kind of preferred technical scheme of the measuring device of the bearing outer ring, the second measuring member is provided with two, and the two are distributed in the radial direction of the chuck, and can abut against the outer peripheral wall of the bearing outer ring.

[0015] As a kind of preferred technical scheme of the measuring device of the bearing outer ring, the first adjusting mechanism includes a linear slide rail, a first sliding block and a second driving member, the first sliding block is slidably connected with the linear slide rail, and the second driving member is installed on the base and used to drive the first sliding block to slide along the linear slide rail to approach or move away from the chuck along the axis of the chuck.

[0016] As a kind of preferred technical scheme of the measuring device of the bearing outer ring, the second adjusting mechanism includes a second sliding block and a third driving member, the third driving member is installed on the first sliding block and used to drive the second sliding block to move in the radial direction of the chuck relative to the first sliding block, and the measuring assembly is installed on the second sliding block.

[0017] As a kind of preferred technical scheme of the measuring device of the bearing outer ring, the adjusting assembly further includes a fourth driving member, the first measuring member and the fourth driving member are both installed on the second sliding block, and the fourth driving member can drive the second measuring member to move in the radial direction of the chuck relative to the first measuring member.

[0018] As a kind of preferred technical scheme of the measuring device of the bearing outer ring, the chuck can fix the outer side wall of the bearing outer ring in the axial direction of the bearing outer ring, the length of the bearing outer ring is H, the length of the overlapping area of the chuck and the bearing outer ring is h1, and the maximum length of the overlapping area of the second measuring member and the bearing outer ring is h2, and H≥h1+h2 is met.

[0019] As a kind of preferred technical scheme of the measuring device of the bearing outer ring, in the axial direction of the chuck, the distance between the first measuring member and the chuck is L1, and the distance between the second measuring member and the chuck is L2, and L2>L1 is met.

[0020] As a kind of preferred technical scheme of the measuring device of the bearing outer ring, a mechanical hand is further included, and the mechanical hand can grab the bearing outer ring to load and unload the bearing outer ring for the chuck.

[0021] The utility model discloses beneficial effect:

[0022] The utility model provides a kind of measuring equipment of bearing outer ring, comprising: base, chuck, first driving part, measuring assembly and adjusting assembly. Among them, chuck is installed on base, chuck is used to fix bearing outer ring, bearing outer ring is coaxially arranged with chuck;First driving part is installed on base, for driving chuck rotates around the axis of chuck;Measuring assembly includes first measuring part and second measuring part, first measuring part is used to obtain the inner diameter size of bearing outer ring, and second measuring part is used to obtain the outer diameter size of bearing outer ring;Adjusting assembly includes first adjusting mechanism and second adjusting mechanism, first adjusting mechanism can drive measuring assembly to move along the axial direction of chuck, and second adjusting mechanism can drive measuring assembly to move along the radial direction of chuck.

[0023] Exemplarily, chuck is used to fix bearing outer ring in test phase, chuck can be driven by first driving part to rotate around the axis of chuck with bearing outer ring. In measuring assembly, first measuring part is used to obtain the inner diameter size of bearing outer ring, and second measuring part is used to obtain the outer diameter size of bearing outer ring. Adjusting assembly is used to adjust the relative position of measuring assembly and bearing outer ring.

[0024] When being idle, measuring assembly is away from base in the axial direction of chuck, so as to place bearing outer ring in chuck, when chuck is fixed with unmeasured bearing outer ring, measuring assembly is close to chuck, first measuring part measures the inner diameter of bearing outer ring, second measuring part measures the outer diameter of bearing outer ring, and first driving part is started to make chuck rotate with bearing outer ring for one round. In this way, the automation operation of bearing outer ring size measurement is realized, the inner diameter and the outer diameter of bearing outer ring can be measured simultaneously, and the maintenance efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the utility model embodiment, the drawings needed to be used in the following description of the utility model embodiment will be simply introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the contents of the utility model embodiment and these drawings without paying creative labor for those skilled in the art.

[0026] Figure 1 It is the structure diagram of the measuring equipment of bearing outer ring provided by the utility model embodiment Figure One ;

[0027] Figure 2 It is the structure diagram of the measuring equipment of bearing outer ring provided by the utility model embodiment Figure Two .

[0028] In the drawing:

[0029] 10, base;

[0030] 20 chuck; 21 disc body; 22 chuck jaw;

[0031] 30 first driving member;

[0032] 40 measuring assembly; 41 first measuring member; 42 second measuring member;

[0033] 51 first adjusting mechanism; 511 linear slide rail; 512 first sliding block; 52 second adjusting mechanism; 521 second sliding block; 522 third driving member;

[0034] 61 robot; 62 guide rail; 63 tray; 64 transmission belt. DETAILED DESCRIPTION

[0035] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0036] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; It can be mechanical connection, or electrical connection; It can be directly connected, or indirectly connected through intermediate media, or the communication between two elements or the interaction between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "below" the second feature, which can include direct contact between the first and second features, or indirect contact between the first and second features through other features between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0038] In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first" and "second" are only used to distinguish in the description, and have no special meaning.

[0039] As shown in Figures 1 to 2 The utility model provides a kind of measuring equipment of bearing outer ring, comprising: base 10, chuck 20, first driving part 30, measuring assembly 40 and adjusting assembly.Wherein, chuck 20 is installed on base 10, chuck 20 is used to fix bearing outer ring, bearing outer ring is coaxially arranged with chuck 20;First driving part 30 is installed on base 10, for driving chuck 20 rotates around the axis of chuck 20;Measuring assembly 40 includes first measuring part 41 and second measuring part 42, first measuring part 41 is used to obtain the inner diameter size of bearing outer ring, and second measuring part 42 is used to obtain the outer diameter size of bearing outer ring;Adjusting assembly includes first adjusting mechanism 51 and second adjusting mechanism 52, first adjusting mechanism 51 can drive measuring assembly 40 moves along the axial direction of chuck 20, and second adjusting mechanism 52 can drive measuring assembly 40 moves along the radial direction of chuck 20.

[0040] Exemplarily, chuck 20 is used to fix bearing outer ring in test phase, chuck 20 can be driven by first driving part 30 to rotate around the axis of chuck 20 with bearing outer ring. In measuring assembly 40, first measuring part 41 is used to obtain the inner diameter size of bearing outer ring, and second measuring part 42 is used to obtain the outer diameter size of bearing outer ring. Adjusting assembly is used to adjust the relative position of measuring assembly 40 and bearing outer ring.

[0041] In idle state, measuring assembly 40 is away from base 10 in the axial direction of chuck 20, so as to place bearing outer ring in chuck 20, when chuck 20 is fixed with unmeasured bearing outer ring, measuring assembly 40 is close to chuck 20, first measuring part 41 measures the inner diameter of bearing outer ring, and second measuring part 42 measures the outer diameter of bearing outer ring, and first driving part 30 is started, so that chuck 20 rotates with bearing outer ring for one revolution. In this way, the inner diameter and the outer diameter of bearing outer ring can be measured at the same time, and the maintenance efficiency is improved.

[0042] Optionally, chuck 20 includes disc body 21 and at least two clamping jaws 22, the output end of first driving part 30 is in transmission with disc body 21, and the clamping jaws 22 are uniformly distributed around the axis of disc body 21 and can move along the radial direction of disc body 21.

[0043] Exemplarily, in the embodiment, the first driving member 30 is a motor, an output shaft of the motor is fixedly and coaxially arranged relative to the disc body 21, the disc body 21 is rotationally connected to the base 10, when the motor is started, the output shaft of the motor can drive the disc body 21 to rotate around an axis of the disc body 21. The claws 22 are four, a line connecting circumferentially adjacent two claws 22 and a center of the disc body 21 is arranged at an angle of 90°, the claws 22 are movably connected to the chuck 20, and can move along a radial direction of the chuck 20 to approach or move away from the center of the chuck 20, so as to clamp or release the bearing outer ring. In this way, the claws 22 can be adjusted to adapt to the bearing outer rings with different radial sizes within a certain range.

[0044] Further, two claws 22 located on a diameter line of the disc body 21 are connected through a bidirectional ball screw, when the bidirectional ball screw rotates, the two claws 22 can simultaneously approach or move away from each other. In this way, when the bearing outer ring is assembled with the chuck 20, the bearing outer ring is automatically concentric with the disc body 21 under the driving of the claws 22.

[0045] Optionally, the first measuring member 41 is provided with two, which are distributed in the radial direction of the chuck 20 and can abut against the inner peripheral wall of the bearing outer ring.

[0046] Exemplarily, the first measuring member 41 is provided with a touch switch, which can be triggered when the first measuring member 41 contacts the inner peripheral wall of the bearing outer ring, and the radial size of the inner side of the bearing outer ring can be obtained when the touch switches of the two first measuring members 41 are triggered.

[0047] Optionally, the second measuring member 42 is provided with two, which are distributed in the radial direction of the chuck 20 and can abut against the outer peripheral wall of the bearing outer ring.

[0048] Exemplarily, the second measuring member 42 is provided with a touch switch, which can be triggered when the second measuring member 42 contacts the inner peripheral wall of the bearing outer ring, and the radial size of the outer side of the bearing outer ring can be obtained when the touch switches of the two second measuring members 42 are triggered.

[0049] Optionally, the first adjusting mechanism 51 includes a linear slide rail 511, a first sliding block 512 and a second driving member, the first sliding block 512 is slidably connected to the linear slide rail 511, and the second driving member is installed on the base 10 and used to drive the first sliding block 512 to slide along the linear slide rail 511, so as to approach or move away from the chuck 20 along an axis of the chuck 20.

[0050] Illustratively, the straight sliding rail 511 comprises a threaded rod and a guide rod, the axis of the threaded rod is parallel to the axis of the chuck 20, the threaded rod is rotationally connected with the base 10, the guide rod is parallel to the threaded rod and fixed with the base 10, the second driving member is a motor, the output shaft of the motor is in transmission connection with the threaded rod, the threaded rod can be driven to rotate around the axis of the threaded rod, the first sliding block 512 is in threaded connection with the threaded rod and in sliding connection with the guide rod, the guide rod can restrict the first sliding block 512 from rotating around the threaded rod, thus, when the motor is started, the threaded rod is driven to rotate, and the first sliding block 512 can move along the axis of the threaded rod. The measuring assembly 40 is installed on the first sliding block 512 and can move with the first sliding block 512.

[0051] Optionally, the second adjusting mechanism 52 comprises a second sliding block 521 and a third driving member 522, the third driving member 522 is installed on the first sliding block 512 and used to drive the second sliding block 521 to move along the radial direction of the chuck 20 relative to the first sliding block 512, and the measuring assembly 40 is installed on the second sliding block 521.

[0052] Illustratively, in the embodiment, the third driving member 522 is a pneumatic cylinder, the extending direction of the pneumatic cylinder is the radial direction of the chuck 20, two third driving members 522 are provided, the two third driving members 522 are provided oppositely, the main body of the third driving member 522 is installed on the first sliding block 512, the output end of the third driving member 522 is fixed with the second sliding block 521, the measuring assembly 40 is installed on the second sliding block 521, and each second sliding block 521 is installed with a first measuring member 41 and a second measuring member 42. Thus, the bearings with different radial sizes within a certain range can be adapted.

[0053] In other embodiments, the third driving member 522 can also be other driving mechanisms capable of realizing linear reciprocating movement.

[0054] Optionally, the adjusting assembly further comprises a fourth driving member, the first measuring member 41 and the fourth driving member are both installed on the second sliding block 521, and the fourth driving member can drive the second measuring member 42 to move along the radial direction of the chuck 20 relative to the first measuring member 41.

[0055] Exemplarily, the fourth driving member is a cylinder, and two fourth driving members are provided, the two fourth driving members are provided oppositely, the two fourth driving members are respectively referred to as a fourth driving member A and a fourth driving member B, and the two third driving members 522 are respectively referred to as a third driving member 522A and a third driving member 522B, and the two second sliding blocks 521 are respectively referred to as a second sliding block 521A and a second sliding block 521B. The fourth driving member A is connected with the third driving member 522A through the second sliding block 521A, and the fourth driving member B is connected with the third driving member 522B through the second sliding block 521B. An output end of each fourth driving member is provided with a second measuring member 42, so that the distance between the first measuring member 41 and the second measuring member 42 can be changed through the fourth driving member, so as to adapt to the bearing outer ring with different radial thicknesses within a certain range.

[0056] Optionally, the chuck 20 can fix the outer side wall of the bearing outer ring, the length of the bearing outer ring in the axial direction of the bearing outer ring is H, the length of the overlapping area of the chuck 20 and the bearing outer ring is h1, and the maximum length of the overlapping area of the second measuring member 42 and the bearing outer ring is h2, and H≥h1+h2 is met.

[0057] In this way, when the chuck 20 rotates, the second measuring member 42 and the chuck 20 are in contact with the bearing outer ring, so that the mutual interference between the two can be avoided when the chuck 20 rotates.

[0058] Further, in the radial projection of the bearing outer ring, the projection area of the second measuring member 42 does not overlap with the projection area of the chuck 20.

[0059] Optionally, in the axial direction of the chuck 20, the distance between the first measuring member 41 and the chuck 20 is L1, and the distance between the second measuring member 42 and the chuck 20 is L2, and L2>L1 is met.

[0060] In this way, the second driving member drives the first sliding block 512 to continue to move to one side of the base 10, so that the second measuring member 42 can be in contact with the outer side wall of the bearing outer ring and can be measured.

[0061] As shown in Figure 2 Optionally, the bearing outer ring measuring device further comprises a mechanical hand 61, the mechanical hand 61 can grab the bearing outer ring, and the chuck 20 is loaded and unloaded with the bearing outer ring. In this way, the automatic feeding and discharging actions of the chuck 20 can be realized. Exemplarily, the bearing outer ring measuring device further comprises a guide rail 62, the guide rail 62 is installed on the top, and the mechanical hand 61 is installed on the guide rail 62 and can move along the guide rail 62.

[0062] For example, the measuring device of the bearing outer ring further comprises a transmission belt 64 and a lifting and transferring mechanism, a plurality of bearing outer rings are loaded by a tray 63, and the tray 63 is moved by the transmission belt 64. The base 10 and the lifting and transferring mechanism are located at opposite sides of the transmission belt 64 respectively, the lifting and transferring mechanism can push the tray 63 from the transmission belt to the side where the base 10 is located, at this time, the tray 63 is separated from the transmission belt 64, the manipulator 61 can grab the bearing outer ring from the tray 63 and place it on the chuck 20 to be measured, after the measurement is completed, the chuck 20 releases the bearing outer ring, the manipulator 61 takes out the bearing outer ring from the chuck 20 and places it back into the tray 63.

[0063] In addition, the above are only preferred embodiments of the present application and the technical principles applied. Those skilled in the art will understand that the present application is not limited to the specific embodiments described herein, and those skilled in the art can make various obvious changes, re-adjustments and substitutions without departing from the scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and can include more other equivalent embodiments without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.

Claims

1. Measuring apparatus for a bearing outer ring, characterized in that The utility model relates to a bearing outer ring inner diameter and outer diameter measuring device, comprising: a base (10); a chuck (20) mounted on the base (10), the chuck (20) being used for fixing a bearing outer ring, the bearing outer ring being coaxially arranged with the chuck (20); a first driving member (30) mounted on the base (10), the first driving member (30) being used for driving the chuck (20) to rotate about an axis of the chuck (20); a measuring assembly (40) comprising a first measuring member (41) and a second measuring member (42), the first measuring member (41) being used for acquiring an inner diameter dimension of the bearing outer ring, the second measuring member (42) being used for acquiring an outer diameter dimension of the bearing outer ring; an adjusting assembly comprising a first adjusting mechanism (51) and a second adjusting mechanism (52), the first adjusting mechanism (51) being capable of driving the measuring assembly (40) to move along an axial direction of the chuck (20), the second adjusting mechanism (52) being capable of driving the measuring assembly (40) to move along a radial direction of the chuck (20).

2. The bearing outer race measuring apparatus of claim 1, wherein, The chuck (20) comprises a disc body (21) and at least two clamping jaws (22), an output end of the first driving member (30) being in transmission with the disc body (21), the clamping jaws (22) being uniformly distributed about an axis of the disc body (21) and being capable of moving along a radial direction of the disc body (21).

3. The bearing outer race measuring apparatus of claim 1, wherein, The first measuring member (41) is provided with two first measuring members (41) which are oppositely distributed along a radial direction of the chuck (20) and are capable of abutting against an inner circumferential wall of the bearing outer ring.

4. The bearing outer race measuring apparatus of claim 1, wherein, The second measuring member (42) is provided with two second measuring members (42) which are oppositely distributed along a radial direction of the chuck (20) and are capable of abutting against an outer circumferential wall of the bearing outer ring.

5. The bearing outer race measuring apparatus of claim 1, wherein, The first adjusting mechanism (51) comprises a linear slide rail (511), a first sliding block (512) and a second driving member, the first sliding block (512) being slidably connected with the linear slide rail (511), the second driving member being mounted on the base (10) and being used for driving the first sliding block (512) to slide along the linear slide rail (511) with the measuring assembly (40) so as to move along an axis of the chuck (20) to approach or move away from the chuck (20).

6. The bearing outer race measuring apparatus of claim 5, wherein, The second adjusting mechanism (52) comprises a second sliding block (521) and a third driving member (522), the third driving member (522) being mounted on the first sliding block (512) and being used for driving the second sliding block (521) to move along a radial direction of the chuck (20) relative to the first sliding block (512), the measuring assembly (40) being mounted on the second sliding block (521).

7. The bearing outer race measuring apparatus of claim 6, wherein, The adjusting assembly further comprises a fourth driving member, the first measuring member (41) and the fourth driving member both being mounted on the second sliding block (521), the fourth driving member being capable of driving the second measuring member (42) to move along a radial direction of the chuck (20) relative to the first measuring member (41).

8. The bearing outer race measuring apparatus of claim 1, wherein, The chuck (20) can fix the outer side wall of the bearing outer ring, in the axial direction of the bearing outer ring, the length of the bearing outer ring is H, the length of the overlapping area of the chuck (20) and the bearing outer ring is h1, the maximum length of the overlapping area of the second measuring element (42) and the bearing outer ring is h2, and H≥h1+h2 is met.

9. The bearing outer race measuring apparatus of claim 8, wherein, In the axial direction of the chuck (20), the distance between the first measuring element (41) and the chuck (20) is L1, and the distance between the second measuring element (42) and the chuck (20) is L2, and L2>L1 is met.

10. The apparatus for measuring a bearing outer ring according to any one of claims 1 to 9, characterized in that, Further comprising a mechanical hand (61), which can grasp the bearing outer ring, load and unload the bearing outer ring for the chuck (20).

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