Full-automatic Measuring Machine for Hub Bearing Parts

Abstract

The present invention relates to the technical field of bearing processing, and particularly relates to a fully automatic measuring machine for hub bearing parts, which 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. Through the cooperation of the feeding mechanism, the contact point distance measuring mechanism, the outer diameter measuring mechanism, the transfer mechanism and the discharging mechanism, the fully automatic measuring machine for hub bearing parts can accurately measure the outer diameter and the contact point distance of different parts of the hub bearing, greatly improving the test efficiency and test accuracy and ensuring the product quality.

Description

Technical Field

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

[0002] The existing hub bearing 1 is as Figure 1 shown. After the hub bearing 1 is processed, the outer diameters of its various parts and the contact point distance h need to be measured. In the past, special tooling was used for manual measurement, or customized equipment was used for step-by-step measurement. All of the above require a large amount of labor intensity. Especially for the contact point distance h, the test is difficult, continuous measurement cannot be achieved, the measurement efficiency is low, and the measurement accuracy cannot be guaranteed. Summary of the Invention

[0003] Aiming at the deficiencies in the prior art, the present invention provides a full-automatic measuring machine for hub bearing parts that can greatly improve the test accuracy and test efficiency.

[0004] The present invention is realized through the following technical solutions:

[0005] The present invention provides a full-automatic measuring machine for hub bearing parts, including 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;

[0006] The feeding mechanism is used to realize the feeding of hub bearings, and includes a feeding conveyor belt, a feeding manipulator correspondingly arranged above the feeding conveyor belt, and a support assembly correspondingly arranged at the outlet end of the feeding conveyor belt;

[0007] 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 hub bearings. It includes a lifting cylinder, a lifting seat, a lifting guide rail, a rotating motor, a main shaft, a floating head, a positioning block, a support platform, a measuring seat, a measuring steel ball assembly, and a first displacement sensor. The lifting guide rail is fixed on the frame, 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 main shaft, and the rotating motor can drive the main shaft to rotate axially. The floating head is arranged at the top end of the main shaft and elastically connected to the main shaft. The positioning block is fixed at the top end of the floating head, and the positioning block can support and position the bottom end of the hub bearing. The support platform is fixed on the frame, the first displacement sensor is fixed on the support platform, the first displacement sensor is connected to the measuring seat, the measuring seat can be inserted into the top end of the hub bearing, the measuring steel ball assembly is fixed on the support platform and sleeved outside the measuring seat, and the bottom end of the measuring steel ball assembly can abut against the arc surface of the outer wall of the hub bearing;

[0008] The outer diameter measuring mechanism is correspondingly arranged on one side of the contact point distance measuring mechanism for measuring the outer diameter of the hub bearing, and includes a support, a measuring arm assembly and a second displacement sensor. The support is fixed on the frame, the measuring arm assembly is arranged on the support, the second displacement sensor is connected with the measuring arm assembly, and the measuring arm assembly can clamp the outer wall of the hub bearing;

[0009] The transfer mechanism is correspondingly arranged on one side of the contact point distance measuring mechanism and the outer diameter measuring mechanism for positioning the hub bearing and realizing the transfer of the hub bearing between various workstations, and includes a positioning seat and a transfer drive connected with the positioning seat;

[0010] The discharging mechanism is used for sending out the hub bearing after the test is completed, and includes a discharging platform and a discharging manipulator correspondingly arranged above the discharging platform.

[0011] In order to facilitate the subsequent accurate grasping of the hub bearing by the manipulator, a material blocking assembly capable of realizing feeding one by one is arranged on the feeding conveyor belt. 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 with the material blocking cylinders, and the material blocking cylinders can drive the material blocking rod to move up and down.

[0012] In order to facilitate the accurate grasping of the hub bearing by the transfer mechanism, the support assembly includes a column, a jacking cylinder arranged on the column and a support block connected with the jacking cylinder, and the jacking cylinder can drive the support block to move up and down.

[0013] In order to enable the measuring steel ball assembly to press the hub bearing tightly after the hub bearing is jacked up and ensure the concentric rotation of the hub bearing, the top end of the main shaft has an inwardly concave annular groove, the bottom end of the floating head is inserted into the annular groove, several springs and equal height screws are arranged in the annular groove, the floating head is elastically connected with the main shaft through several springs, and the equal height screws can limit the floating head.

[0014] In order to ensure the test accuracy, preferably, the measuring steel ball assembly includes a measuring cylinder, a steel ball sleeve, a pressing plate and steel balls. The measuring cylinder is sleeved outside the measuring seat, the steel ball sleeve is fixed at the bottom end of the measuring cylinder, the pressing plate is fixed at the bottom end of the steel ball sleeve, an annular limiting groove is arranged between the pressing plate and the inner side of the measuring cylinder, several steel balls are arranged in the annular limiting groove, and the steel balls can abut against the arc surface of the outer wall of the hub bearing.

[0015] Since the hub bearing has multiple different outer diameters, there are multiple sets of the outer diameter measuring mechanism.

[0016] To ensure the test accuracy of the outer diameter, preferably, the measuring arm assembly includes a stepping motor, a cam, a first measuring arm and a second measuring arm. The stepping 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 return spring is arranged between the first measuring arm and the second measuring arm. Clamping blocks capable of clamping the edge of the hub bearing are respectively arranged at the bottoms of the first measuring arm and the second measuring arm. The stepping 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.

[0017] To facilitate the simultaneous transfer of the 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, and 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, and 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.

[0018] To measure the hub bearing in another direction, the full-automatic hub bearing part measuring machine further includes a flipping mechanism capable of flipping the hub bearing by 180 degrees. The flipping mechanism includes a lifting electric cylinder, a flipping cylinder, a finger cylinder and two clamping claws. 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 by 180 degrees. The finger cylinder is connected to the two clamping claws, and the finger cylinder can drive the two clamping claws to clamp the edge of the hub bearing.

[0019] The beneficial effects of the present invention are as follows: The full-automatic hub bearing part measuring machine can accurately measure the outer diameter and contact point distance of different parts of the hub bearing through the cooperation of the feeding mechanism, the contact point distance measuring mechanism, the outer diameter measuring mechanism, the transfer mechanism and the discharging mechanism, greatly improving the test efficiency and test accuracy and ensuring the product quality. Description of the Drawings

[0020] Figure 1 It is a three-dimensional structural schematic diagram of an existing hub bearing;

[0021] Figure 2 It is a three-dimensional structural schematic diagram of the full-automatic hub bearing part measuring machine of the present invention;

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the feeding mechanism of the present invention;

[0023] Figure 4Schematic three-dimensional structure diagram of the contact point distance measuring mechanism of the present invention;

[0024] Figure 5 Schematic partial structure diagram of the contact point distance measuring mechanism of the present invention;

[0025] Figure 6 Schematic structure diagram of the main shaft, floating head and positioning block of the present invention;

[0026] Figure 7 Schematic three-dimensional structure diagram of the outer diameter measuring mechanism of the present invention;

[0027] Figure 8 Schematic three-dimensional structure diagram of the transfer mechanism of the present invention;

[0028] Figure 9 Schematic three-dimensional structure diagram of the flipping mechanism of the present invention;

[0029] Figure 10 Schematic three-dimensional structure diagram of the discharging mechanism of the present invention. Detailed implementation manners

[0030] The following elaborates on the preferred embodiments of the present invention 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 the protection scope of the present invention more clearly defined.

[0031] Such as Figure 2 shown, a full-automatic hub bearing part measuring machine includes 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. The feeding mechanism 3 is used to realize the feeding of hub bearings. The contact point distance measuring mechanism 4 is used to measure the contact point distance of hub bearings. There are multiple sets of the outer diameter measuring mechanism 5, which are used to measure the outer diameter of hub bearings. The transfer mechanism 7 is used to position the hub bearings and realize the transfer of hub bearings between various workstations. The discharging mechanism 8 is used to send out the hub bearings that have completed the test. The flipping mechanism 6 is used to flip the hub bearings by 180 degrees.

[0032] Specifically, in combination with Figure 3The feeding mechanism shown includes a feeding conveyor belt 301, a feeding manipulator 305 correspondingly arranged above the feeding conveyor belt 301, and a support assembly correspondingly arranged at the outlet end of the feeding conveyor belt 301. A material blocking assembly capable of feeding one by one is arranged on the feeding conveyor belt 301. The material blocking assembly includes a material blocking support 302, two sets of material blocking cylinders 303 arranged on the material blocking support 302, and a material blocking rod 304 connected to the material blocking cylinders 303. The material blocking cylinders 303 can drive the material blocking rod 304 to move up and down. The support assembly includes a column 306, a lifting cylinder 307 arranged on the column 306, and a support block 308 connected to the lifting cylinder 307. The lifting cylinder 307 can drive the support block 308 to move up and down.

[0033] Specifically, in combination with Figures 4 - 6 The contact point distance measuring mechanism shown includes a lifting cylinder 401, a lifting seat 403, a lifting guide rail 404, a rotating motor 416, a main shaft 402, a floating head 408, a positioning block 409, a support platform 405, a measuring seat 407, a measuring steel ball assembly, and a first displacement sensor 406. The lifting guide rail 404 is fixed to the machine 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. The lifting cylinder 401 can drive the lifting seat 403 to move up and down along the lifting guide rail 404. The rotating motor 416 is fixed to 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 end of the main shaft 402 and elastically connected to the main shaft 402. An annular groove is recessed inward at the top end of the main shaft 402. 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 elastically connected to the main shaft 402 through a plurality of springs 414. The equal height screws 415 can limit the floating head 408. The positioning block 409 is fixed to the top end of the floating head 408. The positioning block 409 can support and position the bottom end of the hub bearing. The support platform 405 is fixed to the machine 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 inserted into the top end of the hub bearing. The measuring steel ball assembly is fixed to the support platform and sleeved outside the measuring seat 407. The measuring steel ball assembly includes a measuring cylinder 410, a steel ball sleeve 411, a pressing plate 412, and steel balls 413. The measuring cylinder 410 is sleeved outside the measuring seat 407. The steel ball sleeve 411 is fixed to the bottom end of the measuring cylinder 410. The pressing plate 412 is fixed to the bottom end of the steel ball sleeve 411. An annular limiting groove is formed between the pressing plate 412 and the inner side of the measuring cylinder 411. A plurality of steel balls 413 are arranged in the annular limiting groove. The steel balls 413 can abut against the arc surface of the outer wall of the hub bearing.

[0034] Specifically, in combination with Figure 7 As shown in the outer diameter measuring mechanism, it 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 is elastically connected to the support 501 through a spring 504. The first measuring arm 505 and the second measuring arm 506 are correspondingly arranged on both sides of the cam 503. A return spring 508 is arranged between the first measuring arm 505 and the second measuring arm 506. Clamping blocks 507 capable of clamping the edge of the hub bearing are respectively arranged at the bottoms of the first measuring arm 505 and the second measuring arm 506. The stepping motor 502 can drive the cam 503 to rotate axially. 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. The second displacement sensor 509 is connected to the second measuring arm 506 of the measuring arm assembly.

[0035] Specifically, in combination with Figure 8 As shown in the transfer mechanism, it includes a positioning seat 707 and a transfer drive connected to the positioning seat 707. 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. 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 on 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. A plurality of positioning seats 707 are fixed on the longitudinal translation plate 706.

[0036] Specifically, in combination with Figure 9 As shown in the flipping mechanism, it includes a lifting electric cylinder 601, a flipping cylinder 602, a finger cylinder 603 and two clamping jaws 604. The lifting electric cylinder 601 is connected to the flipping cylinder 602. 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. The flipping cylinder 602 can drive the finger cylinder 603 to flip 180 degrees. The finger cylinder 603 is connected to the two clamping jaws 604. The finger cylinder 603 can drive the two clamping jaws 604 to clamp the edge of the hub bearing.

[0037] Specifically, in combination with Figure 10The shown discharging mechanism includes a discharging platform 801 and a discharging manipulator 802 correspondingly arranged above the discharging platform 801. A non-conforming material conveyor belt 803 and a turning mechanism are also arranged on one side of the discharging platform 801.

[0038] During processing, as shown in Figures 1 - 10 After the hub bearing 1 processed by the previous working station is sent to the feeding conveyor belt 301 and conveyed to the rear by the feeding conveyor belt 301, the material blocking cylinder 303 drives the material blocking rod 304 to separate the hub bearings 1 one by one; the feeding manipulator 305 sends the hub bearing 1 at the end of the feeding conveyor belt 301 to the supporting block 308, and the lifting cylinder 307 drives the supporting block 308 to descend, then the hub bearing 1 falls onto the positioning seat 707, and the transfer drive drives the hub bearing 1 to move to the contact point distance measuring mechanism. The lifting cylinder 401 drives the lifting seat 403 to rise along the lifting guide rail 404, then 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 pressing plate 412 and a circle of steel balls 413 inside 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 main shaft 402 and the hub bearing 1 to 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. The stepping 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 turning mechanism, and the turning mechanism turns the hub bearing 1 by 180 degrees; the transfer mechanism continues to send the hub bearing 1 to the outer diameter measuring mechanism at the rear for measurement at multiple positions; after the measurement is completed, the discharging manipulator 802 sends the hub bearing 1 to the turning mechanism at the rear. After being turned by 180 degrees, the qualified products are sent to the discharging platform 801, and the unqualified products are sent to the non-conforming material conveyor belt 803 and sent to the previous working station for rework.

[0039] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "between", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0040] Enlightened by the above-described ideal embodiments of the present invention, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in 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 includes a discharging platform and a discharging manipulator correspondingly arranged above the discharging platform; The top of the spindle has an inwardly concave annular groove, the bottom 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 spindle through the plurality of springs, and the equal-height screws can limit the floating head; 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.

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 outer diameter measuring mechanism has multiple sets.

5. The fully automatic wheel hub bearing parts measuring machine according to claim 4 is 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.

6. 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.

7. 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.

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