CN212245170U - An automobile wheel hub detection system - Google Patents

Abstract

The utility model discloses an automobile wheel hub detection system, which is characterized by comprising a conveying module, a positioning transfer module and a detection module; the conveying module comprises a conveying roller table and a jacking and conveying device, and the jacking and conveying device comprises a transverse conveying mechanism and a vertical drive mechanism that drives the transverse conveying mechanism to move vertically; the transverse conveying mechanism includes a base plate and a plurality of belt conveying mechanisms arranged on the base plate; the positioning transfer module includes a positioning fixture and drives the positioning fixture The moving transfer and feeding mechanism, the positioning fixture includes a bracket, a positioning telescopic assembly and a support assembly, the positioning telescopic assembly includes two positioning pieces and a positioning driving mechanism; the detection module includes a detection cabinet and a plurality of item detection modules. The utility model adopts a fully automatic way for detection, which is beneficial to improve the detection accuracy, save manpower, and can ensure the normal transportation and production of other wheel hubs.

Description

An automobile wheel hub detection system

technical field

The utility model relates to an automobile detection device, in particular to an automobile wheel hub detection system.

Background technique

The hub of an automobile is an important part of auto parts, and it is the part where the axle is installed in the center of the wheel. In the mass production process of automobile wheels, it is necessary to carry out random inspection on the semi-finished products after processing or completing a certain process. The inspection items include the positional accuracy of the mounting holes on the automobile wheel, the roundness of the side of the wheel, and the quality of the surface paint, etc. . In the prior art, for the inspection of automobile wheel hubs, the wheel hubs are generally removed from the production line manually or by using a fixture during the production process, and then transported to the inspection station, and the test of each item is carried out manually; such a detection method is efficient. In addition, when a certain wheel is removed from the production line, the normal operation of the production line will be affected, and it will be necessary to stop and wait, which will seriously affect the production efficiency.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide an automobile wheel hub detection system, which adopts a fully automated method for detection, which is beneficial to improve detection accuracy, save manpower, and ensure the normal transportation and production of other wheel hubs.

The purpose of the present utility model is achieved through the following technical solutions:

An automobile wheel hub detection system is characterized in that it includes a conveying module, a positioning transfer module and a detection module; wherein, the conveying module includes a conveying roller table for longitudinally conveying an automobile wheel hub and a jacking conveying device, the jacking conveying The device includes a transverse conveying mechanism and a vertical driving mechanism for driving the transverse conveying mechanism to move vertically, the transverse conveying mechanism is arranged below the conveying roller table; the transverse conveying mechanism comprises a bottom plate and a plurality of The belt conveying mechanism on the belt conveyor, the plurality of belt conveying mechanisms include a motor, a driving wheel, a driven wheel and a synchronous belt arranged around the driving wheel and the driven wheel, and the power output shaft of the motor is connected with the driving wheel. The bottom plate is provided with a plurality of installation frames arranged at equal intervals, the width of the installation frame is smaller than the gap between the transmission rollers on the conveying roller table, and the plurality of installation frames are arranged between the transmission rollers on the conveying roller table. At positions corresponding to the gaps between the plurality of belt conveying mechanisms, the driving pulleys and the driven pulleys of the plurality of belt conveying mechanisms are respectively arranged on the plurality of mounting frames; the positioning and transfer module includes a positioning fixture and a transfer and feeding mechanism that drives the positioning fixture to move. , the positioning fixture is arranged at the corresponding position of the outlet of the transverse conveying mechanism, the positioning fixture includes a bracket, a positioning telescopic assembly and a support assembly arranged on the bracket, and the positioning telescopic assembly includes two oppositely arranged positioning members and A positioning driving mechanism that drives the two positioning members to approach or move away from each other at the same time, the support assembly includes two support rods arranged on the bracket, and the two support rods are respectively arranged on the position of the positioning telescopic assembly. two sides, and the extension direction of both ends of the support rod is parallel to the extension direction of the positioning member; the detection module includes a detection cabinet and a plurality of item detection modules arranged in the detection cabinet for detecting the parameters of the wheel hub, the detection cabinet A feeding window is provided on one side of the locating jig, and the feeding window is set corresponding to the moving direction of the positioning fixture. In this embodiment, the vertical drive mechanism is composed of a motor and a screw transmission mechanism, the screw of the screw transmission mechanism is connected with the main shaft of the motor, and the slider of the screw transmission rod mechanism is connected to the connection to the bottom plate.

The working principle of the above automobile wheel detection system is:

The finished wheel hubs that have completed all the processes or the semi-finished wheel hubs that have completed part of the process are placed in sequence on the transfer roller table, and are gradually transported forward under the drive of the transfer roller table; The roller table is suspended, and then the vertical drive mechanism drives the lifting and conveying mechanism to move upward, so that the hub located above the jacking and conveying mechanism is lifted by a plurality of belt conveying mechanisms on the lifting and conveying mechanism to leave the conveying roller table, Then, driven by the belt conveying mechanism, the raised hub moves laterally until the hub moves away from the belt conveying mechanism and slides down onto the positioning fixture. When the hub leaves the belt conveying mechanism, the vertical drive mechanism can Drive the transverse conveying mechanism to move downward, so that the belt conveying mechanism on the bottom plate is lower than the conveying rollers on the conveying roller table, and the conveying roller table continues to run to ensure the normal conveying of other hubs; the hub that slides down to the positioning fixture is supported on the On the two support rods, the two positioning pieces are located in the middle ring of the wheel hub. At this time, the wheel hub is freely placed on the two support rods of the positioning fixture, and its position cannot be fixed, and then driven by the positioning driving mechanism. , the two positioning members move back to make the positioning members abut against the inner ring of the hub, adjust the hub to a preset position, and clamp the hub; then, driven by the transfer feeding mechanism, The positioning fixture is driven through the feeding window of the detection cabinet, and finally moves to the detection position in the detection cabinet. Finally, the item detection module in the detection cabinet detects the wheel hub, obtains relevant information and parameters, and completes the sampling inspection of the entire automobile wheel hub. After the inspection, the wheel hub can be transported back to the conveying roller table through the positioning transfer module and the jacking conveying module, and conveyed according to the original conveying route again, or the inspected wheel hub can be transferred to other stations by other conveying mechanisms. .

In a preferred solution of the present invention, the mounting frame includes a base and two mounting plates, the two mounting plates are both arranged on the base, and the two mounting plates are arranged opposite to each other, and the belt conveys Both the driving wheel and the driven wheel of the mechanism are arranged between the two mounting plates and at both ends of the two mounting plates.

Preferably, the plurality of belt conveying mechanisms share a motor, and the motor is arranged at the bottom of the bottom plate; each belt conveying mechanism further includes a transmission shaft, one end of the transmission shaft is connected with the driving pulley, and the other end passes through the mounting plate It is connected with the power output shaft of the electric motor through a power transmission assembly.

In a preferred solution of the present invention, a transition feeding module is arranged between the transverse conveying mechanism and the positioning and transferring module, and the transition feeding module includes an intermediate transition frame and a double-speed chain mechanism arranged on the intermediate transition frame. The double-speed chain mechanism One end corresponds to the discharge end of the transverse conveying mechanism, and the other end corresponds to the positioning fixture of the positioning transfer module.

Preferably, along the moving direction of the hub on the double-speed chain mechanism, the positioning fixture is arranged below the end of the double-speed chain mechanism; the transfer and feeding mechanism includes a lift drive mechanism and a linear drive mechanism, and the positioning fixture is provided with On the drive end of the lift drive mechanism, the lift drive mechanism is provided on the drive end of the linear drive mechanism.

In a preferred solution of the present invention, the bracket includes a fixing plate and a supporting connecting plate, the supporting connecting plate is arranged on the top surface of the fixing plate, and the positioning driving mechanism is arranged on the bottom surface of the fixing plate; The two ends of the supporting connecting plate are respectively extended to the two sides of the fixing plate, and the two supporting rods are respectively connected to the two ends of the supporting connecting plate.

Preferably, the positioning member includes a connecting member and a clamping block, one end of the connecting member is connected with the power output end of the positioning driving mechanism, and the other end is extended upward and connected with the clamping block, the clamping block It is higher than the support rod; the clamping block is provided with a clamping part for contacting with the inner ring of the wheel hub, and the clamping part is arranged in an arc shape.

Preferably, the positioning driving mechanism includes two driving cylinders, both of which are arranged on the fixing plate, and the telescopic parts of the two driving cylinders are respectively connected with the connecting parts on the two positioning parts.

In a preferred solution of the present utility model, the inner wall of the detection cabinet is provided with a detection and positioning assembly, the detection and positioning assembly includes a backing plate and two positioning plates arranged on the backing plate, and the two positioning plates are connected and arranged at an obtuse angle, The positioning surfaces of the two positioning plates face the feeding window.

In a preferred solution of the present invention, the item detection module includes an image recognition processing module and a roundness detection module; wherein, the image recognition processing module includes two cameras and a processor, and the two cameras are respectively It is arranged on two opposite inner walls of the detection cabinet; the roundness detection module includes a roundness detector and a data recorder.

Compared with the prior art, the utility model has the following beneficial effects:

1. The utility model adopts a fully automated way to detect the hub, which is beneficial to improve the detection accuracy, save manpower, and has little impact on the transportation of other hubs, which is beneficial to ensure the normal transportation and production of other hubs.

2. The utility model simultaneously completes the positioning and clamping of the hub to be detected through the positioning fixture, which is fast and convenient, helps to speed up the detection speed of the hub, and can effectively improve the position accuracy during detection of the hub, which is beneficial to improve the detection quality.

Description of drawings

1 to 3 are schematic structural diagrams of the first specific embodiment of the automobile wheel hub detection system of the present invention, wherein, FIG. 1 is a top view (the transfer and feeding mechanism is not shown), and FIG. 2 is a perspective view (the transfer and feeding mechanism is not shown) , Figure 3 is a schematic diagram of the main view structure.

FIG. 4 is a perspective view of the transverse conveying mechanism (the timing belt is not shown).

FIG. 5 is a perspective view of the lateral conveying mechanism from another perspective.

6-7 are schematic structural diagrams of the positioning fixture and the positioning driving mechanism, wherein, FIG. 6 is a top view (dotted line represents the outline of the wheel hub), and FIG. 7 is a perspective view.

8-9 are schematic diagrams of the structure of the detection cabinet, wherein, FIG. 8 is a front view, and FIG. 9 is a perspective view.

Detailed ways

The present utility model will be further described below with reference to the embodiments and the accompanying drawings, but the embodiments of the present utility model are not limited thereto.

Example 1

1-9, the vehicle wheel hub detection system of this embodiment includes a conveying module, a positioning transfer module, and a detection module; wherein, the conveying module includes a conveying roller table 1 for longitudinally conveying an automobile wheel hub and a jacking conveying device , the lifting conveying device includes a transverse conveying mechanism 2 and a vertical driving mechanism 6 that drives the transverse conveying mechanism 2 to move vertically, and the transverse conveying mechanism 2 is arranged below the conveying roller table 1; the The transverse conveying mechanism 2 includes a base plate 10 and a plurality of belt conveying mechanisms arranged on the base plate 10, and the plurality of belt conveying mechanisms each include a motor 15, a driving pulley 12, a driven pulley 13, and a plurality of belt conveying mechanisms arranged around the driving pulley 12 and the driven pulley 13. The power output shaft of the motor 15 is connected to the driving wheel 12, and the bottom plate 10 is provided with a plurality of installation frames 11 arranged at equal intervals. The width of the installation frames 11 is wider than that of the conveying roller table. The gap between the transmission rollers on the conveyor 1 is small, and the plurality of mounting frames 11 are arranged at the corresponding positions of the gaps between the transmission rollers on the conveyor roller table 1. The driving pulley 12 and the driven pulley 13 of the plurality of belt conveying mechanisms and are respectively arranged on the plurality of mounting frames 11; the positioning and transfer module includes a positioning fixture 4 and a transfer feeding mechanism that drives the positioning fixture 4 to move, and the positioning fixture 4 is arranged at the outlet of the transverse conveying mechanism 2 Correspondingly, the positioning fixture 4 includes a bracket, a positioning telescopic assembly arranged on the bracket, and a support assembly. The positioning telescopic assembly includes two positioning members arranged opposite to each other and drives the two positioning members to move closer to or away from each other at the same time. The positioning drive mechanism 22 of the locating telescopic assembly, the support assembly includes two support rods 17 disposed on the bracket, the two support rods 17 are respectively disposed on both sides of the positioning telescopic assembly, and the two ends of the support rod 17 extend The direction is parallel to the telescopic direction of the positioning member; the detection module includes a detection cabinet 5 and a plurality of item detection modules arranged in the detection cabinet 5 for detecting wheel hub parameters, and one side of the detection cabinet 5 is provided with an inlet. A feeding window 29 is provided, and the feeding window 29 is set corresponding to the moving direction of the positioning fixture 4 . In this embodiment, the vertical drive mechanism 6 is composed of a motor and a screw drive mechanism, the screw rod of the screw drive mechanism is connected to the main shaft of the motor, and the slider of the screw drive rod mechanism is connected to the main shaft of the motor through a driving member. The bottom plate 10 is connected.

Referring to FIG. 4 and FIG. 5 , the mounting frame 11 includes a base and two mounting plates, the two mounting plates are both arranged on the base, and the two mounting plates are oppositely arranged, and the belt conveying mechanism Both the driving wheel 12 and the driven wheel 13 are arranged between the two mounting plates and at both ends of the two mounting plates. By setting such a mounting frame 11, the structure is simple, the manufacture is convenient, and it is convenient to be staggered from the conveying rollers on the conveying roller table 1, so as to realize the lifting and lowering of the transverse conveying mechanism 2, thereby realizing the transfer of the hub to be detected and leaving the conveying roller table. 1.

5, the plurality of belt conveying mechanisms share a motor 15, and the motor 15 is arranged at the bottom of the bottom plate 10; each belt conveying mechanism further includes a transmission shaft 14, one end of which is connected to the driving wheel 12, The other end is connected to the power output shaft of the motor 15 through the power transmission assembly after passing through the mounting plate. By arranging such a transmission mechanism, one motor 15 can be used to drive all belt transmission mechanisms to operate, thereby driving the lateral movement of the wheel hub, and the use of one motor 15 can ensure the synchronization of all belt transmission mechanisms, which is beneficial to improve the movement stability of the wheel hub, and Save space and reduce costs. In this embodiment, the power transmission assembly may be constituted by a toothed chain transmission assembly.

Referring to FIGS. 1 to 3 , a transition feeding module is provided between the lateral conveying mechanism 2 and the positioning and transferring module, and the transition feeding module includes an intermediate transition frame 7 and a double-speed chain mechanism 3 arranged on the intermediate transition frame 7 . One end of the double-speed chain mechanism 3 corresponds to the discharge end of the transverse conveying mechanism 2 , and the other end corresponds to the positioning fixture 4 of the positioning transfer module. Through the setting of the transition feeding module, the transition of the hub to be detected between the lateral conveying mechanism 2 and the positioning fixture 4 is made smoother, so that the wheel hub can be moved to the positioning fixture 4 more stably and quickly for the next transfer and detection. .

1-3, along the moving direction of the hub on the double-speed chain mechanism 3, the positioning fixture 4 is arranged below the end of the double-speed chain mechanism 3; the transfer feeding mechanism includes a lift drive mechanism 9 and a linear The driving mechanism 8 , the positioning fixture 4 is arranged on the driving end of the lifting driving mechanism 9 , and the lifting driving mechanism 9 is arranged on the driving end of the linear driving mechanism 8 . When the wheel hub moves to the end of the double-speed chain mechanism 3, the lift drive mechanism 9 drives the positioning fixture 4 to rise, and the two support rods 17 push up the wheel hub during the lifting process (the wheel hub is supported on the two supports at this time). On the rod 17, the two positioning pieces are located in the inner ring of the wheel hub), so that the wheel hub leaves the double-speed chain mechanism 3; then the positioning driving mechanism 22 drives the two positioning pieces to move back to complete the positioning and clamping of the ferry , and under the driving of the linear drive mechanism 8, the positioning fixture 4, the wheel hub and the elevating drive mechanism 9 are transported to the inspection cabinet 5, and the inspection of each item of the wheel hub is carried out. In this embodiment, the elevating driving mechanism 9 may be constituted by an air cylinder or a screw driving mechanism, and the linear driving mechanism 8 may be constituted by a synchronous belt driving mechanism or other linear driving mechanisms in the prior art.

6-7, the bracket includes a fixing plate 21 and a supporting connecting plate 16, the supporting connecting plate 16 is arranged on the top surface of the fixing plate 21, and the positioning driving mechanism 22 is arranged on the fixing plate 21; both ends of the support connecting plate 16 extend to both sides of the fixed plate 21 respectively, and the two support rods 17 are respectively connected to the two ends of the support connecting plate 16; the lift drive mechanism 9 The driving end is connected with the bottom of the support connecting plate 16 . By arranging such a bracket, the installation of the positioning member, the positioning driving mechanism 22 and the support rod 17 is facilitated, and the structure is simple.

6-7, the positioning member includes a connecting member 20 and a clamping block 18. One end of the connecting member 20 is connected to the power output end of the positioning driving mechanism 22, and the other end is inclined outward and extends upward. The upper end of the part 20 is connected with the clamping block 18, and the clamping block 18 is higher than the support rod 17; the clamping block 18 is provided with a clamping part 19 for contacting the inner ring of the wheel hub, and the clamping block 18 The tightening portion 19 is arranged in a circular arc shape. By providing such a positioning piece, it is convenient to connect with the positioning driving mechanism 22; in addition, the clamping part 19 on the clamping block 18 is set in an arc shape so as to match with the inner ring of the wheel hub, which is beneficial to increase the contact with the wheel hub Area, the positioning and clamping of the hub is more stable.

Referring to FIGS. 6-7 , the positioning driving mechanism 22 includes two driving cylinders, both of which are arranged on the fixing plate 21 , and the telescopic parts of the two driving cylinders are respectively connected with the two positioning members on the two positioning members. The connector 20 is connected.

8-9, the inner wall of the detection cabinet 5 is provided with a detection and positioning assembly, the detection and positioning assembly includes a backing plate 24 and two positioning plates 25 arranged on the backing plate 24, the two positioning plates 25 are The obtuse angle is connected, and the positioning surfaces of the two positioning plates 25 face the feeding window 29 . The hub to be detected enters the detection cabinet 5 under the drive of the transfer feeding mechanism, and continues to move forward until the circumferential side of the hub contacts the positioning surfaces of the two positioning plates 25, the transfer feeding mechanism stops driving the positioning fixture 4 to move, Thus, the positioning of the hub in the detection cabinet 5 is completed, so that the item detection module in the detection cabinet 5 can accurately detect the hub; such a detection and positioning assembly has a simple structure and good effect. In this embodiment, the two positioning plates 25 are provided with positioning sensors 26. When the wheel hub is in contact with the positioning plates 25, the positioning sensors 26 transmit the sensing signal to the transfer and feeding mechanism, and the transfer and feeding mechanism immediately stops running. .

In this embodiment, a telescopic drive mechanism may also be provided on the detection cabinet 5 for driving the two positioning plates 25 to perform telescopic movement in the horizontal direction. The telescopic drive mechanism may be constituted by an air cylinder. When the hub to be detected needs to be positioned after entering the detection cabinet 5, the telescopic drive mechanism drives the two positioning plates 25 to move into the detection cabinet 5 and move to the preset positioning position to realize the positioning of the hub; when After completing the positioning of the wheel hub, the telescopic drive mechanism drives the two positioning plates 25 to move out of the detection cabinet 5, leave the detection cabinet 5, and no longer contact the wheel hub, which is beneficial to improve the detection quality of the wheel hub; in addition, it can also be set A telescopic drive mechanism with a controllable driving distance is used to adjust the moving distance of the two positioning plates 25 so as to adapt to the positioning of wheel hubs of different sizes.

8-9, the item detection module includes an image recognition processing module 23 and a roundness detection module 28; wherein, the image recognition processing module 23 includes two cameras 27 and a processor, the two The cameras 27 are respectively arranged on two opposite inner walls of the detection cabinet 5 ; the roundness detection module 28 includes a roundness detector and a data recorder. The camera 27 of the image recognition processing module 23 takes pictures of the outline of the wheel hub, the position of the mounting hole on the wheel hub, and the paint quality, etc., and transmits it to the back-end processor for identification processing; through the setting of the roundness detection module 28, Realize the roundness detection of the outer surface of the wheel hub. In addition, other item detection modules can also be set in the detection cabinet 5 according to the actual situation.

In this embodiment, the transfer and feeding mechanism further includes a rotary drive mechanism, which is provided on the drive end of the lift drive mechanism 9, and the positioning fixture 4 is provided on the drive end of the rotary drive mechanism. In this way, after entering the detection cabinet 5, the positioning fixture 4 is driven to rotate by the rotating drive mechanism, thereby driving the wheel hub to rotate, so as to realize the relevant item detection of the wheel hub in the rotating posture. Wherein, the rotational drive mechanism may be composed of a motor and a gear transmission mechanism or a toothed chain transmission mechanism or other rotational transmission mechanisms in the prior art.

Referring to FIG. 1-FIG. 9, the working principle of the automobile wheel hub detection system of this embodiment is:

The finished wheel hubs that have completed all the processes or the semi-finished wheel hubs that have completed some of the processes are placed in sequence on the transfer roller table 1, and are gradually transported forward under the drive of the transfer roller table 1; The conveying roller 1 stops running, and then drives the jacking and conveying mechanism to move upward through the vertical drive mechanism 6, so that the hub located above the jacking and conveying mechanism is jacked up by a plurality of belt conveying mechanisms on the jacking and conveying mechanism Leave the conveying roller table 1, and then driven by the belt conveying mechanism, the raised hub moves laterally until the hub moves away from the belt conveying mechanism and slides down onto the positioning fixture 4. When the hub leaves the belt conveying mechanism , the vertical driving mechanism 6 can drive the transverse conveying mechanism 2 to move downward, so that the belt conveying mechanism on the bottom plate 10 is lower than the conveying rollers on the conveying roller table 1, and the conveying roller table 1 continues to run to ensure the normal operation of other hubs. Conveying; the hub sliding down on the positioning fixture 4 is supported on the two support rods 17, the two positioning pieces are located in the middle ring of the wheel hub, and the wheel hub at this time is freely placed on the two support rods of the positioning fixture 4 17, its position cannot be fixed, and then driven by the positioning drive mechanism 22, the two positioning pieces move back, so that the positioning pieces are pressed against the inner ring of the hub, and the hub is adjusted to the preset position. , and clamp the hub; then, driven by the transfer feeding mechanism, drive the positioning fixture 4 through the feeding window 29 of the detection cabinet 5, and finally move to the detection position in the detection cabinet 5, and finally detect the The project detection module detects the wheel hub, obtains relevant information and parameters, and completes the sampling inspection of the entire automobile wheel hub. After the inspection, the wheel hub can be transported back to the transfer roller table 1 through the positioning transfer module and the jacking conveying module, and conveyed according to the original conveying route, or the inspected wheel hub can be transferred to other workers by other conveying mechanisms. position.

Example 2

The difference between this embodiment and Embodiment 1 is that the transfer of the hub to be detected is completed by a robot between the lateral conveying mechanism 2 and the positioning fixture 4 . The transfer of the hub is realized by means of a manipulator, which is more flexible, and one manipulator can be used to connect multiple positioning fixtures 4 to increase the number and speed of sampling inspections.

The above are the preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited by the above-mentioned contents, and any other changes, modifications, substitutions, and combinations made without departing from the spirit and principle of the present utility model , simplification, all should be equivalent replacement methods, and are all included in the protection scope of the present invention.

Claims (10)

1. An automobile hub detection system is characterized by comprising a conveying module, a positioning transfer module and a detection module; the automobile hub lifting device comprises a conveying module, a lifting module and a lifting module, wherein the conveying module comprises a conveying roller way for longitudinally conveying automobile hubs and a lifting conveying device, the lifting conveying device comprises a transverse conveying mechanism and a vertical driving mechanism for driving the transverse conveying mechanism to vertically move, and the transverse conveying mechanism is arranged below the conveying roller way; the transverse conveying mechanism comprises a bottom plate and a plurality of belt conveying mechanisms arranged on the bottom plate, each belt conveying mechanism comprises a motor, a driving wheel, a driven wheel and a synchronous belt arranged between the driving wheel and the driven wheel in a surrounding mode, a power output shaft of the motor is connected with the driving wheel, a plurality of mounting frames arranged at equal intervals are arranged on the bottom plate, the width of each mounting frame is smaller than the gap between the driving rollers on the conveying roller way, the mounting frames are arranged at the positions corresponding to the gaps between the driving rollers on the conveying roller way, and the driving wheels and the driven wheels of the belt conveying mechanisms are arranged on the mounting frames respectively; the positioning and transferring module comprises a positioning clamp and a transferring and feeding mechanism for driving the positioning clamp to move, the positioning clamp is arranged at the position corresponding to the outlet of the transverse conveying mechanism, the positioning clamp comprises a support, a positioning telescopic component and a supporting component, the positioning telescopic component is arranged on the support, the positioning telescopic component comprises two positioning pieces which are oppositely arranged and a positioning driving mechanism for driving the two positioning pieces to be close to or away from each other at the same time, the supporting component comprises two supporting rods which are arranged on the support, the two supporting rods are respectively arranged on two sides of the positioning telescopic component, and the extending directions of two ends of each supporting rod are parallel to the telescopic direction of the corresponding positioning piece; the detection module comprises a detection cabinet and a plurality of item detection modules arranged in the detection cabinet and used for detecting the parameters of the wheel hub, wherein a feeding window is arranged on one side of the detection cabinet, and the feeding window is arranged corresponding to the moving direction of the positioning clamp.

2. The automobile wheel hub detection system of claim 1, characterized in that the mounting bracket includes a base and two mounting panels, the two mounting panels are both disposed on the base, the two mounting panels are disposed oppositely, and the driving wheel and the driven wheel of the belt conveying mechanism are both disposed between the two mounting panels and located at both ends of the two mounting panels.

3. The automobile hub detection system according to claim 2, wherein the plurality of belt conveying mechanisms share one motor, and the motor is arranged at the bottom of the bottom plate; each belt conveying mechanism further comprises a transmission shaft, one end of each transmission shaft is connected with the driving wheel, and the other end of each transmission shaft penetrates through the mounting plate and then is connected with the power output shaft of the motor through the power transmission assembly.

4. The automobile hub detection system according to claim 1, wherein a transition feeding module is arranged between the transverse conveying mechanism and the positioning transfer module, the transition feeding module comprises a middle transition frame and a speed-multiplying chain mechanism arranged on the middle transition frame, one end of the speed-multiplying chain mechanism corresponds to a discharge end of the transverse conveying mechanism, and the other end of the speed-multiplying chain mechanism corresponds to a positioning clamp of the positioning transfer module.

5. The automobile hub detection system according to claim 4, wherein the positioning clamp is arranged below the tail end of the speed-multiplying chain mechanism along the moving direction of the wheel hub on the speed-multiplying chain mechanism; the transfer feeding mechanism comprises a lifting driving mechanism and a linear driving mechanism, the positioning fixture is arranged at the driving end of the lifting driving mechanism, and the lifting driving mechanism is arranged at the driving end of the linear driving mechanism.

6. The automobile hub detection system according to claim 1, wherein the bracket comprises a fixed plate and a support connecting plate, the support connecting plate is arranged on the top surface of the fixed plate, and the positioning driving mechanism is arranged on the bottom surface of the fixed plate; the both ends of supporting connection board extend the setting to the both sides of fixed plate respectively, two bracing pieces are connected respectively the both ends of supporting connection board.

7. The automobile hub detection system according to claim 6, wherein the positioning member comprises a connecting member and a clamping block, one end of the connecting member is connected with a power output end of the positioning driving mechanism, the other end of the connecting member extends upwards and is connected with the clamping block, and the clamping block is higher than the support rod; the clamping block is provided with a clamping part which is used for contacting with the inner ring of the hub, and the clamping part is arranged in an arc shape.

8. The automobile hub detection system according to claim 7, wherein the positioning driving mechanism comprises two driving cylinders, the two driving cylinders are arranged on the fixing plate, and telescopic parts of the two driving cylinders are respectively connected with connecting pieces on the two positioning pieces.

9. The automobile hub detection system according to claim 1, wherein a detection positioning assembly is arranged on an inner wall of the detection cabinet, the detection positioning assembly comprises a backing plate and two positioning plates arranged on the backing plate, the two positioning plates are connected at an obtuse angle, and positioning surfaces of the two positioning plates face the feeding window.

10. The automobile hub detection system according to claim 1, wherein the item detection module comprises an image recognition processing module and a roundness detection module; the image identification processing module comprises two cameras and a processor, wherein the two cameras are respectively arranged on two opposite inner walls of the detection cabinet; the roundness detection module comprises a roundness detector and a data recorder.

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