Full-automatic hub bearing part measuring machine

By designing a fully automatic hub bearing part measuring machine, the problems of low measurement efficiency and low accuracy of hub bearings in the prior art are solved, and accurate measurement of different parts of the hub bearings is achieved, and product quality is improved.

CN119665885AActive Publication Date: 2025-03-21CHANGZHOU NRB CORP
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Patent Information

Application Number
CN202510195126.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2025-03-21
Estimated Expiration
2045-02-21

AI Technical Summary

Technical Problem

During the measurement process of existing hub bearings, especially the measurement of contact point distances is difficult, continuous measurement cannot be achieved, measurement efficiency is low, and accuracy is insufficient.

Method used

A fully automatic hub bearing part measuring machine is designed, including feeding mechanism, contact point distance measuring mechanism, external diameter measuring mechanism, transfer mechanism and discharge mechanism. Through the coordinated work of these mechanisms, accurate measurement of different parts of the hub bearing is achieved.

Benefits of technology

This measuring machine greatly improves the testing efficiency and accuracy, ensuring the stability of product quality.

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Abstract

The invention relates to the technical field of bearing machining, in particular to a full-automatic hub bearing part measuring machine which comprises a rack, a feeding mechanism, a contact point distance measuring mechanism, an outer diameter measuring mechanism, a transferring mechanism and a discharging mechanism, and the feeding mechanism, the contact point distance measuring mechanism, the outer diameter measuring mechanism, the transferring mechanism and the discharging mechanism are arranged on the rack. According to the full-automatic hub bearing part measuring machine, through cooperation of the feeding mechanism, the contact point distance measuring mechanism, the outer diameter measuring mechanism, the transfer mechanism and the discharging mechanism, the outer diameters and the contact point distances of different parts of a hub bearing can be accurately measured, the testing efficiency and the testing precision are greatly improved, and the product quality is guaranteed.
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Description

Technical Field

[0001] The invention relates to the technical field of wheel hub bearing processing, and in particular to a full-automatic wheel hub bearing parts measuring machine. Background Art

[0002] Existing wheel hub bearing 1 such as Figure 1 As shown, the hub bearing 1 needs to measure the outer diameter and contact point distance h of each part after processing. In the past, special tooling was used for manual measurement, or customized equipment was used for step-by-step measurement, which required a lot of labor intensity, especially the contact point distance h, and the test was difficult, and continuous measurement could not be achieved, the measurement efficiency was low, and the measurement accuracy could not be guaranteed. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a fully automatic wheel hub bearing parts measuring machine which can greatly improve the testing accuracy and testing efficiency.

[0004] The present invention is achieved through the following technical solutions: The present invention provides a fully automatic wheel hub bearing parts measuring machine, comprising a frame and a feeding mechanism, a contact point distance measuring mechanism, an outer diameter measuring mechanism, a transfer mechanism and a discharging mechanism arranged on the frame; The feeding mechanism is used to realize the feeding of the wheel hub bearing, and comprises a feeding conveyor belt, a feeding manipulator correspondingly arranged above the feeding conveyor belt, and a supporting assembly correspondingly arranged at the outlet end of the feeding conveyor belt; The contact point distance measuring mechanism is correspondingly arranged on one side of the feeding mechanism, and is used to measure the contact point distance of the wheel hub bearing, including a lifting cylinder, a lifting seat, a lifting guide rail, a rotating motor, a spindle, a floating head, a positioning block, a supporting platform, a measuring seat, a measuring steel ball assembly and a first displacement sensor. The lifting guide rail is fixed on the frame, and the lifting seat is slidably connected to the lifting guide rail. The lifting cylinder is connected to the lifting seat, and the lifting cylinder can drive the lifting seat to move up and down along the lifting guide rail. The rotating motor is fixed on the lifting seat and connected to the spindle, and the rotating motor can drive the spindle to rotate axially. The floating head is arranged at the top of the spindle and is elastically connected to the spindle. The positioning block is fixed to the top of the floating head, and the positioning block can support and position the bottom end of the wheel hub bearing. The supporting platform is fixed on the frame, and the first displacement sensor is fixed on the supporting platform. The first displacement sensor is connected to the measuring seat, and the measuring seat can be plugged with the top end of the wheel hub bearing. The measuring steel ball assembly is fixed on the supporting platform and sleeved outside the measuring seat, and the bottom end of the measuring steel ball assembly can be against the arc surface of the outer wall of the wheel hub bearing. The outer diameter measuring mechanism is correspondingly arranged on one side of the contact point distance measuring mechanism, and is used to measure the outer diameter of the wheel hub bearing, and comprises a support, a measuring arm assembly and a second displacement sensor, wherein the support is fixed on the frame, the measuring arm assembly is arranged on the support, the second displacement sensor is connected to the measuring arm assembly, and the measuring arm assembly can clamp the outer wall of the wheel hub bearing; The transfer mechanism is correspondingly arranged on one side of the contact point distance measuring mechanism and the outer diameter measuring mechanism, and is used to locate the wheel hub bearing and realize the transfer of the wheel hub bearing between various stations, including a positioning seat and a transfer drive connected to the positioning seat; The discharging mechanism is used to deliver the tested wheel hub bearing, and comprises a discharging platform and a discharging manipulator correspondingly arranged above the discharging platform.

[0005] In order to facilitate the subsequent robot to accurately grasp the wheel hub bearing, the feed conveyor belt is provided with a material blocking assembly that can realize feeding one by one. The material blocking assembly includes a material blocking support, at least one set of material blocking cylinders arranged on the material blocking support, and a material blocking rod connected to the material blocking cylinder. The material blocking cylinder can drive the material blocking rod to move up and down.

[0006] In order to facilitate the transfer mechanism to accurately grasp the wheel hub bearing, the support assembly includes a column, a lifting cylinder arranged on the column, and a support block connected to the lifting cylinder, and the lifting cylinder can drive the support block to move up and down.

[0007] In order to enable the steel ball assembly to press the hub bearing after the wheel hub bearing is lifted, so as to ensure the concentric rotation of the wheel hub bearing, the top end of the main shaft has an inwardly recessed annular groove, the bottom end of the floating head is inserted into the annular groove, a number of springs and equal-height screws are arranged in the annular groove, the floating head is elastically connected to the main shaft through a number of springs, and the equal-height screws can limit the floating head.

[0008] In order to ensure the test accuracy, preferably, the measuring steel ball assembly includes a measuring cylinder, a steel ball sleeve, a pressure plate and a steel ball. The measuring cylinder sleeve is arranged outside the measuring seat, the steel ball sleeve is fixed to the bottom end of the measuring cylinder, and the pressure plate is fixed to the bottom end of the steel ball sleeve. The pressure plate and the inner side of the measuring cylinder have an annular limiting groove, and a plurality of steel balls are arranged in the annular limiting groove, and the steel balls can be abutted against the arc surface of the outer wall of the wheel hub bearing.

[0009] Since the wheel hub bearing has multiple different outer diameters, the outer diameter measuring mechanism has multiple sets.

[0010] In order to ensure the testing accuracy of the outer diameter, preferably, the measuring arm assembly includes a stepper motor, a cam, a first measuring arm and a second measuring arm, the stepper motor is connected to the cam, the first measuring arm and the second measuring arm are correspondingly arranged on both sides of the cam, a reset spring is arranged between the first measuring arm and the second measuring arm, and the bottom ends of the first measuring arm and the second measuring arm are respectively provided with clamping blocks that can be clamped with the edge of the hub bearing, the stepper motor can drive the cam to rotate axially, and the cam can drive the first measuring arm and the second measuring arm to deflect so that the two clamping blocks abut against the edge of the hub bearing.

[0011] In order to facilitate the simultaneous transfer of the wheel hub bearing between multiple workstations, the transfer drive includes a transverse drive cylinder, a transverse slide rail, a transverse translation plate, a longitudinal drive cylinder, a longitudinal slide rail and a longitudinal translation plate. The transverse translation plate is slidably connected to the transverse slide rail, the transverse drive cylinder is connected to the transverse translation plate, the transverse drive cylinder can drive the transverse translation plate to slide along the transverse slide rail, the longitudinal slide rail is fixed on the transverse translation plate, the longitudinal translation plate is slidably connected to the longitudinal slide rail, the longitudinal drive cylinder is connected to the longitudinal translation plate, the longitudinal drive cylinder can drive the longitudinal translation plate to slide along the longitudinal slide rail, and a plurality of positioning seats are fixed on the longitudinal translation plate.

[0012] In order to measure the wheel hub bearing in another direction, the fully automatic wheel hub bearing parts measuring machine also includes a flipping mechanism capable of flipping the wheel hub bearing 180 degrees. The flipping mechanism includes a lifting electric cylinder, a flipping cylinder, a finger cylinder and two clamps. The lifting electric cylinder is connected to the flipping cylinder, and the lifting electric cylinder can drive the flipping cylinder to move up and down. The flipping cylinder is connected to the finger cylinder, and the flipping cylinder can drive the finger cylinder to flip 180 degrees. The finger cylinder is connected to the two clamps, and the finger cylinder can drive the two clamps to clamp the edge of the wheel hub bearing.

[0013] The beneficial effects of the present invention are as follows: the fully automatic wheel hub bearing parts measuring machine can accurately measure the outer diameters and contact point distances of different parts of the wheel hub bearing through the cooperation of a feeding mechanism, a contact point distance measuring mechanism, an outer diameter measuring mechanism, a transfer mechanism and a discharging mechanism, thereby greatly improving the test efficiency and test accuracy and ensuring product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of an existing wheel hub bearing; Figure 2 It is a three-dimensional structural schematic diagram of the fully automatic wheel hub bearing parts measuring machine of the present invention; Figure 3 It is a three-dimensional structural schematic diagram of the feeding mechanism of the present invention; Figure 4 It is a three-dimensional structural schematic diagram of the contact point distance measuring mechanism of the present invention; Figure 5 It is a partial structural schematic diagram of the contact point distance measuring mechanism of the present invention; Figure 6 It is a structural schematic diagram of the main shaft, floating head and positioning block of the present invention; Figure 7 It is a three-dimensional structural schematic diagram of the outer diameter measuring mechanism of the present invention; Figure 8 It is a three-dimensional structural schematic diagram of the transfer mechanism of the present invention; Fig. 9 It is a three-dimensional structural schematic diagram of the turning mechanism of the present invention; Fig.10 It is a three-dimensional structural schematic diagram of the discharging mechanism of the present invention. DETAILED DESCRIPTION

[0015] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0016] like Figure 2 The fully automatic wheel hub bearing parts measuring machine shown in the figure comprises a frame 2 and a feeding mechanism 3, a contact point distance measuring mechanism 4, an outer diameter measuring mechanism 5, a transfer mechanism 7, a discharging mechanism 8 and a flipping mechanism 6 arranged on the frame 2, wherein the feeding mechanism 3 is used to realize the feeding of the wheel hub bearing, the contact point distance measuring mechanism 4 is used to measure the contact point distance of the wheel hub bearing, the outer diameter measuring mechanism 5 has multiple sets and is used to measure the outer diameter of the wheel hub bearing, the transfer mechanism 7 is used to position the wheel hub bearing and realize the transfer of the wheel hub bearing between various workstations, the discharging mechanism 8 is used to send out the tested wheel hub bearing, and the flipping mechanism 6 is used to flip the wheel hub bearing 180 degrees.

[0017] Specifically, combined Figure 3 The feeding mechanism shown includes a feeding conveyor belt 301, a feeding robot 305 correspondingly arranged above the feeding conveyor belt 301, and a supporting assembly correspondingly arranged at the outlet end of the feeding conveyor belt 301. The feeding conveyor belt 301 is provided with a blocking assembly capable of feeding materials one by one. The blocking assembly includes a blocking support 302, two sets of blocking cylinders 303 arranged on the blocking support 302, and a blocking rod 304 connected to the blocking cylinder 303. The blocking cylinder 303 can drive the blocking rod 304 to move up and down. The supporting assembly includes a column 306, a lifting cylinder 307 arranged on the column 306, and a supporting block 308 connected to the lifting cylinder 307. The lifting cylinder 307 can drive the supporting block 308 to move up and down.

[0018] Specifically, combined Figure 4-6The contact point distance measuring mechanism shown in the figure includes a lifting cylinder 401, a lifting seat 403, a lifting guide rail 404, a rotating motor 416, a spindle 402, a floating head 408, a positioning block 409, a supporting platform 405, a measuring seat 407, a measuring steel ball assembly and a first displacement sensor 406. The lifting guide rail 404 is fixed on the frame, the lifting seat 403 is slidably connected to the lifting guide rail 404, the lifting cylinder 401 is connected to the lifting seat 403, and the lifting cylinder 401 can drive the lifting The seat 403 is lifted up and down along the lifting guide rail 404. The rotating motor 416 is fixed on the lifting seat 403 and connected to the main shaft 402. The rotating motor 416 can drive the main shaft 402 to rotate axially. The floating head 408 is arranged at the top of the main shaft 402 and is elastically connected to the main shaft 402. The top of the main shaft 402 has an annular groove concave inwardly. The bottom end of the floating head 408 is inserted into the annular groove. A plurality of springs 414 and equal-height screws 415 are arranged in the annular groove. The floating head 408 is moved by a plurality of springs. The spring 414 is elastically connected to the main shaft 402, and the equal height screw 415 can limit the floating head 408. The positioning block 409 is fixed to the top of the floating head 408. The positioning block 409 can support and position the bottom of the hub bearing. The support platform 405 is fixed to the frame. The first displacement sensor 406 is fixed to the support platform 405. The first displacement sensor 406 is connected to the measuring seat 407. The measuring seat 407 can be plugged with the top of the hub bearing. The measuring steel ball assembly is fixed to the support The platform is sleeved on the outside of the measuring seat 407, and the measuring steel ball assembly includes a measuring cylinder 410, a steel ball sleeve 411, a pressure plate 412 and a steel ball 413. The measuring cylinder 410 is sleeved on the outside of the measuring seat 407, the steel ball sleeve 411 is fixed to the bottom end of the measuring cylinder 410, and the pressure plate 412 is fixed to the bottom end of the steel ball sleeve 411. The inner sides of the pressure plate 412 and the measuring cylinder 411 have annular limiting grooves, and a plurality of steel balls 413 are arranged in the annular limiting grooves, and the steel balls 413 can be abutted against the arc surface of the outer wall of the hub bearing.

[0019] Specifically, combined Figure 7The outer diameter measuring mechanism shown in the figure includes a support 501, a measuring arm assembly and a second displacement sensor 509. The support 501 is fixed on the frame. The measuring arm assembly is arranged on the support 501. The measuring arm assembly includes a stepping motor 502, a cam 503, a first measuring arm 505 and a second measuring arm 506. The stepping motor 502 is connected to the cam 503. The cam 503 and the support 501 are elastically connected by a spring 504. The first measuring arm 505 and the second measuring arm 506 are correspondingly arranged on the cam 503. 03, a return spring 508 is arranged between the first measuring arm 505 and the second measuring arm 506, and the bottom ends of the first measuring arm 505 and the second measuring arm 506 are respectively provided with clamping blocks 507 that can clamp the edge of the hub bearing, the stepper motor 502 can drive the cam 503 to rotate axially, and the cam 503 can drive the first measuring arm 505 and the second measuring arm 506 to deflect so that the two clamping blocks 507 abut against the edge of the hub bearing, and the second displacement sensor 509 is connected to the second measuring arm 506 of the measuring arm assembly.

[0020] Specifically, combined Figure 8 The transfer mechanism shown includes a positioning seat 707 and a transfer drive connected to the positioning seat 707, wherein the transfer drive includes a transverse drive cylinder 701, a transverse slide rail 702, a transverse translation plate 703, a longitudinal drive cylinder 704, a longitudinal slide rail 705 and a longitudinal translation plate 706, wherein the transverse translation plate 703 is slidably connected to the transverse slide rail 702, the transverse drive cylinder 701 is connected to the transverse translation plate 703, the transverse drive cylinder 701 can drive the transverse translation plate 703 to slide along the transverse slide rail 702, the longitudinal slide rail 705 is fixed to the top surface of the transverse translation plate 703, the longitudinal translation plate 706 is slidably connected to the longitudinal slide rail 705, the longitudinal drive cylinder 704 is connected to the longitudinal translation plate 706, the longitudinal drive cylinder 704 can drive the longitudinal translation plate 706 to slide along the longitudinal slide rail 705, and a plurality of positioning seats 707 are fixed on the longitudinal translation plate 706.

[0021] Specifically, combined Fig. 9 The flipping mechanism shown includes a lifting electric cylinder 601, a flipping cylinder 602, a finger cylinder 603 and two clamps 604. The lifting electric cylinder 601 is connected to the flipping cylinder 602, and the lifting electric cylinder 601 can drive the flipping cylinder 602 to move up and down. The flipping cylinder 602 is connected to the finger cylinder 603, and the flipping cylinder 602 can drive the finger cylinder 603 to flip 180 degrees. The finger cylinder 603 is connected to the two clamps 604, and the finger cylinder 603 can drive the two clamps 604 to clamp the edge of the hub bearing.

[0022] Specifically, combined Fig.10The discharging mechanism shown includes a discharging platform 801 and a discharging robot 802 correspondingly arranged above the discharging platform 801. A defective material conveyor belt 803 and a turning mechanism are also arranged on one side of the discharging platform 801.

[0023] During processing, combined Figure 1-10 As shown, the wheel hub bearing 1 processed in the upper station is sent to the feeding conveyor belt 301, and then sent to the rear by the feeding conveyor belt 301. The blocking cylinder 303 drives the blocking rod 304 to separate the wheel hub bearings 1 one by one; the feeding manipulator 305 sends the wheel hub bearing 1 at the end of the feeding conveyor belt 301 to the support block 308, and the lifting cylinder 307 drives the support block 308 to descend, so that the wheel hub bearing 1 falls on the positioning seat 707, and the transfer drive drives the wheel hub bearing 1 to move to the contact point distance measurement point. At the measuring mechanism, the lifting cylinder 401 drives the lifting seat 403 to rise along the lifting guide rail 404, and the bottom end of the hub bearing 1 is inserted into the positioning block 409. The positioning block 409 continues to rise, and the top end of the hub bearing 1 is gradually inserted into the measuring seat 407. The positioning block 409 and the floating head 408 are under pressure, and the spring 414 contracts. Then the circle of steel balls 413 on the inner side of the pressure plate 412 and the measuring cylinder 411 abut against and press the arc surface of the hub bearing 1. At this time, the rotating motor 416 drives The moving spindle 402 and the hub bearing 1 rotate axially, and the first displacement sensor 406 can measure the contact point distance h of the hub bearing 1; after the measurement is completed, the transfer mechanism sends the hub bearing 1 to the outer diameter measuring mechanism, and the stepper motor 502 drives the cam 503 to rotate axially, and the cam 503 drives the first measuring arm 505 and the second measuring arm 506 to deflect so that the two clamping blocks 507 abut against the edge of the hub bearing 1, and the second displacement sensor 509 can measure the outer diameter of the hub bearing 1; after the measurement is completed, the transfer mechanism sends the hub bearing 1 to the flipping mechanism, and the flipping mechanism flips the hub bearing 1 180 degrees; the transfer mechanism continues to send the hub bearing 1 to the outer diameter measuring mechanism at the rear, and measures multiple positions; after the measurement is completed, the unloading robot 802 sends the hub bearing 1 to the flipping mechanism at the rear, and after flipping 180 degrees, qualified products are sent to the unqualified material conveyor belt 803, and sent to the front-end workstation for rework.

[0024] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "between", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0025] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A fully automatic wheel hub bearing parts measuring machine, characterized in that: It includes a frame and a feeding mechanism, a contact point distance measuring mechanism, an outer diameter measuring mechanism, a transfer mechanism and a discharging mechanism arranged on the frame; The feeding mechanism is used to realize the feeding of the wheel hub bearing, and comprises a feeding conveyor belt, a feeding manipulator correspondingly arranged above the feeding conveyor belt, and a supporting assembly correspondingly arranged at the outlet end of the feeding conveyor belt; The contact point distance measuring mechanism is correspondingly arranged on one side of the feeding mechanism, and is used to measure the contact point distance of the wheel hub bearing, including a lifting cylinder, a lifting seat, a lifting guide rail, a rotating motor, a spindle, a floating head, a positioning block, a supporting platform, a measuring seat, a measuring steel ball assembly and a first displacement sensor. The lifting guide rail is fixed on the frame, and the lifting seat is slidably connected to the lifting guide rail. The lifting cylinder is connected to the lifting seat, and the lifting cylinder can drive the lifting seat to move up and down along the lifting guide rail. The rotating motor is fixed on the lifting seat and connected to the spindle, and the rotating motor can drive the spindle to rotate axially. The floating head is arranged at the top of the spindle and is elastically connected to the spindle. The positioning block is fixed to the top of the floating head, and the positioning block can support and position the bottom end of the wheel hub bearing. The supporting platform is fixed on the frame, and the first displacement sensor is fixed on the supporting platform. The first displacement sensor is connected to the measuring seat, and the measuring seat can be plugged with the top end of the wheel hub bearing. The measuring steel ball assembly is fixed on the supporting platform and sleeved outside the measuring seat, and the bottom end of the measuring steel ball assembly can be against the arc surface of the outer wall of the wheel hub bearing. The outer diameter measuring mechanism is correspondingly arranged on one side of the contact point distance measuring mechanism, and is used to measure the outer diameter of the wheel hub bearing, and comprises a support, a measuring arm assembly and a second displacement sensor, wherein the support is fixed on the frame, the measuring arm assembly is arranged on the support, the second displacement sensor is connected to the measuring arm assembly, and the measuring arm assembly can clamp the outer wall of the wheel hub bearing; The transfer mechanism is correspondingly arranged on one side of the contact point distance measuring mechanism and the outer diameter measuring mechanism, and is used to locate the wheel hub bearing and realize the transfer of the wheel hub bearing between various stations, including a positioning seat and a transfer drive connected to the positioning seat; The discharging mechanism is used to deliver the tested wheel hub bearing, and comprises a discharging platform and a discharging manipulator correspondingly arranged above the discharging platform.

2. The fully automatic wheel hub bearing parts measuring machine according to claim 1 is characterized in that: The feed conveyor belt is provided with a material blocking assembly capable of feeding materials one by one. The material blocking assembly includes a material blocking support, at least one set of material blocking cylinders arranged on the material blocking support, and a material blocking rod connected to the material blocking cylinder. The material blocking cylinder can drive the material blocking rod to move up and down.

3. The fully automatic wheel hub bearing parts measuring machine according to claim 2 is characterized in that: The support assembly comprises a column, a lifting cylinder arranged on the column and a support block connected to the lifting cylinder, and the lifting cylinder can drive the support block to move up and down.

4. The fully automatic wheel hub bearing parts measuring machine according to claim 1, characterized in that: The top end of the main shaft has an inwardly recessed annular groove, and the bottom end of the floating head is inserted into the annular groove. A plurality of springs and equal-height screws are arranged in the annular groove. The floating head is elastically connected to the main shaft through the plurality of springs, and the equal-height screws can limit the floating head.

5. The fully automatic wheel hub bearing parts measuring machine according to claim 4 is characterized in that: The measuring steel ball assembly includes a measuring cylinder, a steel ball sleeve, a pressure plate and a steel ball. The measuring cylinder sleeve is arranged outside the measuring seat, the steel ball sleeve is fixed to the bottom end of the measuring cylinder, and the pressure plate is fixed to the bottom end of the steel ball sleeve. The pressure plate and the inner side of the measuring cylinder are provided with an annular limiting groove, and a plurality of steel balls are arranged in the annular limiting groove, and the steel balls can be abutted against the arc surface of the outer wall of the wheel hub bearing.

6. The fully automatic wheel hub bearing parts measuring machine according to claim 1, characterized in that: The outer diameter measuring mechanism has multiple sets.

7. The fully automatic wheel hub bearing parts measuring machine according to claim 6, characterized in that: The measuring arm assembly includes a stepper motor, a cam, a first measuring arm and a second measuring arm. The stepper motor is connected to the cam. The first measuring arm and the second measuring arm are correspondingly arranged on both sides of the cam. A reset spring is arranged between the first measuring arm and the second measuring arm. The bottom ends of the first measuring arm and the second measuring arm are respectively provided with clamping blocks that can be clamped with the edge of the wheel hub bearing. The stepper motor can drive the cam to rotate axially, and the cam can drive the first measuring arm and the second measuring arm to deflect so that the two clamping blocks abut against the edge of the wheel hub bearing.

8. The fully automatic wheel hub bearing parts measuring machine according to claim 1, characterized in that: The transfer drive includes a transverse drive cylinder, a transverse slide rail, a transverse translation plate, a longitudinal drive cylinder, a longitudinal slide rail and a longitudinal translation plate. The transverse translation plate is slidably connected to the transverse slide rail. The transverse drive cylinder is connected to the transverse translation plate. The transverse drive cylinder can drive the transverse translation plate to slide along the transverse slide rail. The longitudinal slide rail is fixed on the transverse translation plate. The longitudinal translation plate is slidably connected to the longitudinal slide rail. The longitudinal drive cylinder is connected to the longitudinal translation plate. The longitudinal drive cylinder can drive the longitudinal translation plate to slide along the longitudinal slide rail. A plurality of positioning seats are fixed on the longitudinal translation plate.

9. The fully automatic wheel hub bearing parts measuring machine according to claim 1, characterized in that: The fully automatic wheel hub bearing parts measuring machine also includes a flipping mechanism capable of flipping the wheel hub bearing 180 degrees. The flipping mechanism includes a lifting electric cylinder, a flipping cylinder, a finger cylinder and two clamps. The lifting electric cylinder is connected to the flipping cylinder, and the lifting electric cylinder can drive the flipping cylinder to move up and down. The flipping cylinder is connected to the finger cylinder, and the flipping cylinder can drive the finger cylinder to flip 180 degrees. The finger cylinder is connected to the two clamps, and the finger cylinder can drive the two clamps to clamp the edge of the wheel hub bearing.

Citation Information

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