CN111960021A

CN111960021A - Feeding system for circular detection of upper and lower bearing assembly of hub

Info

Publication number: CN111960021A
Application number: CN202010949591.2A
Authority: CN
Inventors: 谢达明; 徐应权; 刘大飞; 徐天石; 董新伟; 王海玉; 吴振明
Original assignee: Anhui Pin Xing Technology Co ltd
Current assignee: Anhui Pin Xing Technology Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2020-11-20

Abstract

The invention discloses a circular detection feeding system for assembling upper and lower bearings of a wheel hub, which comprises a bracket, wherein a workbench is erected on the bracket, a limiting frame is fixedly installed on the workbench, a moving plate which is sequentially arranged in parallel is laid in the limiting frame, a lower bearing clamping seat and an upper bearing clamping seat which are arranged at intervals are respectively installed on the upper end face of the moving plate, the moving plate is driven by push block assemblies at two end parts of the moving plate to move, a feeding end is arranged on the outer side of one end of the workbench, a qualified material taking clamping jaw is erected above the inner side of the feeding end, a detection end is arranged at the other end of the moving plate, a photographing detection system for detecting the bearings clamped on the lower bearing clamping seat and the upper bearing clamping seat is erected above the workbench at the detection end, and a non-qualified material taking clamping jaw is erected on one side of the photographing. The invention adopts a feeding system structure which integrates the functions of circular conveying, photographing detection, automatic picking and placing of unqualified products and automatic picking of qualified products, can be completed by one person, and has the advantages of time saving, labor saving and high automation degree.

Description

Feeding system for circular detection of upper and lower bearing assembly of hub

The technical field is as follows:

the invention relates to the field of automatic assembly of hubs, in particular to a circular detection feeding system for assembly of upper and lower bearings of a hub.

Background art:

an upper bearing and a lower bearing are required to be assembled in a hub, the upper bearing and the lower bearing in the prior art are mostly assembled on a single station, in order to meet the requirement of batch automatic assembly, an automatic assembly line mode is adopted, therefore, continuous feeding is required when the upper bearing and the lower bearing are automatically assembled, a circular conveying mode is usually adopted in the prior art, although the requirement of conveying and feeding is met, the bearing is required to be detected before conveying, and then the bearing is placed on a circular conveying line for conveying after detection, the external detection operation of the bearing needs manual material taking and placing operation, the operation is complex, the labor intensity is increased, time and labor are wasted, the efficiency is low, the existing circular conveying line mostly adopts a circular conveying belt or a circular conveying chain structure, the positioning is inaccurate, only a conveying mode is adopted, manual auxiliary feeding is also required, and the automation degree is reduced, thereby affecting the inability to meet the requirements of mass assembly production.

The invention content is as follows:

the invention aims to make up the defects of the prior art, and provides a circular detection and feeding system for assembling upper and lower bearings of a hub.

The invention is realized by the following technical scheme:

a circular detection feeding system for assembling of upper and lower bearings of a hub comprises a support, wherein a workbench is erected on the support, a limiting frame is fixedly installed on the workbench, a moving plate which is sequentially arranged in parallel is laid in the limiting frame, the upper end face of the moving plate is respectively provided with a lower bearing clamping seat and an upper bearing clamping seat which are arranged at intervals, the moving plate is driven by pushing block assemblies at two end parts of the moving plate, each pushing block assembly comprises a transverse pushing block and a longitudinal pushing block, the bottom end face of the moving plate is guided to move on a roller assembly on a workbench face, the outer side of one end of the workbench is a feeding end, a lattice piece taking clamping jaw is erected above the inner side of the feeding end, the other end of the feeding end is a detection end, a photographing detection system for detecting the bearings clamped on the lower bearing clamping seat and the upper bearing clamping seat is erected above the workbench of the detection end, a side frame of the photographing detection system is provided with a qualified part taking clamping jaw.

The movable plates are of the same specification and are of strip-shaped plate structures, the upper end faces of the movable plates are fixedly provided with a lower bearing clamping seat and an upper bearing clamping seat through fixed shaft pins, the movable plates are laid in two rows, and one end of each row of the movable plates is short.

The lower bearing clamping seat comprises a first disc body, a first positioning table for sleeving and fixing the inner ring of the lower bearing is arranged in the middle of the first disc body, and first supporting blocks for supporting the roller frame of the lower bearing and the outer ring are distributed on the outer side of the first positioning table along the circumferential direction; the upper bearing clamping seat comprises a second disc body, and a second positioning table for sleeving and fixing an upper bearing inner ring is arranged on the second disc body.

A third positioning table for fixing the inner ring of the lower bearing in the other specification is arranged in the middle of the upper end surface of the first positioning table, and second supporting blocks for supporting the roller frame and the outer ring of the lower bearing in the other specification are distributed in the circumferential direction of the upper end surface of the first positioning table outside the third positioning table; and a fourth positioning table for fixing the upper bearing inner ring of another specification is arranged in the middle of the second positioning table.

The roller components including erect at first conveying roller group and second conveying roller group, first conveying roller group is four lines, respectively along two liang of two both ends of workstation lay and set up along horizontal rolling in a set of horizontal side by side, and the interval between two lines is less than the width of movable plate, second conveying roller group is four lines, two liang of laying and set up along vertical rolling on the length direction of workstation side by side for a set of, and the interval between two lines is less than the length of movable plate.

The first conveying roller group and the second conveying roller group are respectively composed of a plurality of roller unit assemblies arranged at intervals, each roller unit comprises two fixing plates arranged in parallel, rotating shafts arranged at intervals are fixedly installed between the fixing plates, and rollers are sleeved on the rotating shafts.

The two ends of the workbench are respectively provided with a guide groove for guiding the transverse push block and the longitudinal push block, the transverse push block and the longitudinal push block are respectively positioned on the diagonal directions of the two ends and guided to move in the corresponding guide grooves, and the transverse push block and the longitudinal push block are respectively driven by the cylinders corresponding to the bottom ends of the transverse push block and the longitudinal push block.

The qualified part gets material jack catch including erectting the nose girder in workstation feed end outside top, install on the nose girder and remove the seat, remove and install the guide holder of liftable on the seat, the lift of guide holder is driven by the lift cylinder of its top, the bottom of guide holder is installed and is set up two sets of mobilizable jack catch seats that correspond the setting around, the bottom portion that clamps the seat installs the V-arrangement cardboard, the medial surface of V-arrangement cardboard is installed rubber protection pad respectively, the removal of jack catch seat is driven by the horizontal cylinder of its top respectively.

The system for detecting the photographing comprises a fixing frame arranged on one side of the discharge end of a workbench, a photographing camera is mounted on the fixing frame, the photographing camera corresponds to the position of a lower bearing clamping seat and an upper bearing clamping seat on a movable plate, an illuminating lamp is further mounted on the fixing frame, and the photographing camera is connected to a background computer data processor through a data signal line.

The unqualified part material taking clamping jaw and the qualified part material taking clamping jaw have the same structure, and the guide beam is erected above the discharge end of the workbench.

The principle is as follows: the application adopts a feeding system structure which integrates the functions of circular conveying, photographing detection, automatic picking and placing of unqualified products and automatic picking of qualified products, realizes the requirement of synchronous feeding of the upper bearing and the lower bearing of the automatic assembly line, because the upper bearing and the lower bearing must synchronously feed, the upper bearing and the lower bearing must be a group of structures which correspond one to one when feeding and detecting, therefore, the lower bearing clamping seat and the upper bearing clamping seat on the moving plate meet the requirement of upper and lower bearing synchronization, in the circulating conveying structure, the guide movement of the moving plate above the circulating conveying structure is realized by adopting the limiting frame of the workbench and matching with the structure of the roller components, the moving power is pushed by the push block, the moving plates at the end parts are pushed to move forwards transversely, the moving plates in a row are pushed to move forwards longitudinally, the transverse pushing block and the longitudinal pushing block on the same side act synchronously, so that the moving plate can move circularly in the limiting frame; the automatic feeding device comprises a feeding end, a movable plate, a processor, a lower bearing clamping seat, an upper bearing and a lower bearing, wherein the feeding end is continuously fed, the movable plate is moved to move to a shooting detection system of the detection end, the processor is connected through shooting, whether the unqualified part taking clamping jaw moves or not is controlled through the controller, the unqualified part taking clamping seat and the upper bearing and the lower bearing corresponding to the upper bearing clamping seat are taken out simultaneously, the qualified part is placed in a waste product area, the qualified part continues to be conveyed circularly until the qualified part taking clamping jaw is conveyed to a discharging end, feeding is carried out through the qualified part taking clamping jaw, and the whole automatic feeding detection process of the upper bearing and the lower bearing can be finished by one person.

The invention has the advantages that:

the automatic feeding device is reasonable in structural design, adopts a feeding system structure integrating cyclic conveying, photographing detection, automatic picking and placing of unqualified products and automatic picking of qualified parts, meets the requirement of synchronous feeding of the upper bearing and the lower bearing of an automatic assembly line, can be completed by one person in the whole automatic feeding detection process of the upper bearing and the lower bearing, is time-saving and labor-saving, has high automation degree, and meets the requirement of batch processing production.

Description of the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural diagram of the laying of the moving plate on the workbench.

Fig. 3 is a schematic structural diagram of a roller assembly on a workbench.

Fig. 4 is a schematic structural view of the lower bearing clamping seat.

Fig. 5 is a schematic structural view of the upper bearing clamping seat.

Reference numerals:

1. a support; 2. a work table; 3. a limiting frame; 4. moving the plate; 5. a lower bearing clamping seat; 6. the upper bearing is clamped with the seat; 7. a push block assembly; 7-1, a transverse push block; 7-2, a longitudinal push block; 8. a roller assembly; 9. a qualified piece material taking clamping jaw; 10. the unqualified part taking claw; 11. fixing the shaft pin; 5-1, a first tray body; 5-2, positioning the first table; 5-3, supporting the first block; 5-4, positioning a third table; 5-5, a second supporting block; 6-1 and a second tray body; 6-2, a second positioning table; 6-3, a positioning table IV; 12. a first conveying roller group; 13. a second conveying roller group; 14. a guide groove; 15. a guide beam; 16. a movable seat; 17. a guide seat; 18. a pawl seat; 19. a V-shaped clamping plate; 20. a rubber protection pad; 21. a fixed mount; 22. a photographing camera; 23. an illuminating lamp.

The specific implementation mode is as follows:

see the drawings.

A circular detection and feeding system for assembling upper and lower bearings of a hub comprises a bracket 1, a workbench 2 is erected on the bracket 1, a limiting frame 3 is fixedly installed on the workbench 2, a moving plate 4 which is sequentially arranged in parallel is laid in the limiting frame 3, a lower bearing clamping seat 5 and an upper bearing clamping seat 6 which are arranged at intervals are respectively installed on the upper end face of the moving plate 4, the moving plate 4 is driven by pushing block assemblies 7 at two end parts of the moving plate 4, the pushing block assemblies 7 comprise transverse pushing blocks 7-1 and longitudinal pushing blocks 7-2, the bottom end face of the moving plate 4 is guided to move on a roller assembly 8 on the workbench face, the outer side of one end of the workbench 2 is a feeding end, a qualified material taking clamping jaw 9 is erected above the inner side of the feeding end, the other end is a detection end, a photographing detection system for detecting the bearings clamped on the lower bearing clamping seat 5 and the upper bearing clamping seat 6 is erected above the workbench 2 at the detection end, one side frame of the photographing detection system is provided with a unqualified part taking clamping jaw 10.

Further, the specifications of the moving plates 4 are the same, the moving plates are of strip-shaped plate structures, the upper end faces of the moving plates are fixedly provided with a lower bearing clamping seat 5 and an upper bearing clamping seat 6 through fixed shaft pins 11, the moving plates 4 are laid in two rows, and one end of each row of the moving plates 4 is short. Two rows of moving plates are laid, the circular operation is simple, the moving plates are lacked at the end parts, the notches of the moving plates provide operating spaces for pushing the moving plates to circularly convey, and the requirement of pushing type circulation is met.

Further, the lower bearing clamping seat 5 comprises a first disc body 5-1, a first positioning table 5-2 for sleeving and fixing the inner ring of the lower bearing is arranged in the middle of the first disc body 5-1, and first supporting blocks 5-3 which are arranged along the circumferential direction and used for supporting the roller frame and the outer ring of the lower bearing are distributed on the outer side of the first positioning table 5-2; the structure through location platform one is used for the inner circle of card dress upper bearing, and the bottom face of upper bearing's outer lane is supported through supporting shoe one, is used for supporting the bottom face of lower bearing through the disk body two, makes things convenient for the card of lower bearing to put through location platform two. The upper bearing clamping seat 6 comprises a disc body II 6-1, and a positioning table II 6-2 for sleeving and fixing an upper bearing inner ring is arranged on the disc body II 6-1; a third positioning table 5-4 for fixing the inner ring of the lower bearing in the other specification is arranged in the middle of the upper end face of the first positioning table 5-2, and second supporting blocks 5-5 for supporting the roller frame and the outer ring of the lower bearing in the other specification are distributed in the circumferential direction of the upper end face of the first positioning table 5-2 outside the third positioning table 5-4; and a fourth positioning table 6-3 for fixing an upper bearing inner ring of another specification is arranged in the middle of the second positioning table 6-2. The clamping requirements of the bearing on the small specification are met through the structures of the third positioning table and the second supporting block on the first positioning table, the clamping requirements of the bearing on the small specification in the morning are met through the structure of the fourth positioning table on the second positioning table, one tool is multipurpose, and the requirements of loading of the bearings of different specifications are met.

Further, the roller assembly 8 comprises a first conveying roller group 12 and a second conveying roller group 13, the first conveying roller group 12 is provided with four rows, the four rows are respectively paved in a group of transverse parallel mode along two end portions of the workbench and arranged in a transverse rolling mode, the distance between the two rows is smaller than the width of the movable plate, the four rows of second conveying roller groups 13 are provided with four rows, the two rows are in a group of parallel mode along the length direction of the workbench and arranged in a longitudinal rolling mode, and the distance between the two rows is smaller than the length of the movable plate 4; the transverse moving requirement of the movable plate is realized through the first conveying roller group, the longitudinal moving requirement of the movable plate is realized through the second roller group, the structural distribution is reasonable, and the requirement of rectangular frame-shaped circular moving is met. The first conveying roller group 12 and the second conveying roller group 13 are respectively composed of a plurality of roller unit assemblies arranged at intervals, each roller unit comprises two fixing plates arranged in parallel, rotating shafts arranged at intervals are fixedly installed between the fixing plates, and rollers are sleeved on the rotating shafts. The fixing plate is used as a support of the roller, the rollers are in a group and integrally mounted on the working table, so that the mounting is convenient and the supporting capacity of the whole body is improved.

Furthermore, two end parts of the workbench 2 are respectively provided with a guide groove 14 for guiding the transverse pushing block 7-1 and the longitudinal pushing block 7-2, the transverse pushing block 7-1 and the longitudinal pushing block 7-2 are respectively positioned in the diagonal direction of the two end parts and are guided to move in the corresponding guide grooves 14, and the transverse pushing block 7-1 and the longitudinal pushing block 7-2 are respectively driven by a cylinder corresponding to the bottom end thereof. The structure through horizontal ejector pad and vertical ejector pad provides the power that the movable block removed, and horizontal ejector pad and vertical ejector pad promote along the guide way direction under the drive of corresponding cylinder, have guaranteed to promote in-process stability, restore to the throne immediately after promoting, prepare the action that promotes next time, in order to guarantee horizontal and vertical whole circulating drive, and with horizontal ejector pad and the vertical ejector pad synchronous motion of one side, guarantee to transversely push away one, vertically push away the annular circulation of a row.

Furthermore, the qualified part material taking clamping jaw 9 comprises a guide beam 15 erected above the outer side of the feeding end of the workbench, a moving seat 16 is installed on the guide beam 15, a liftable guide seat 17 is installed on the moving seat 16, the guide seat 17 is lifted and lowered by a lifting cylinder above the guide seat, two groups of movable clamping jaw seats 18 which are correspondingly arranged are installed at the front and back of the bottom end of the guide seat 17, a V-shaped clamping plate 19 is installed at the bottom end of the clamping seat, rubber protection pads 20 are respectively installed on the inner side surfaces of the V-shaped clamping plate 19, and the movement of the clamping jaw seats 18 is respectively driven by a transverse cylinder above the V-shaped clamping plate 19. The guide beam is used for realizing the movement of the qualified piece taking clamping jaw in the horizontal position, so that the qualified piece taking clamping jaw is controlled to move to a taking position or a placing position, the guide seat is driven to move up and down by the lifting cylinder, the descending V-shaped clamping plate is used for taking and placing materials, the requirement of the ascending horizontal guide on the moving spatial position is met, the clamping jaw seat is driven to move relatively by the cylinder, and the V-shaped clamping plate is used for clamping a corresponding bearing. The unqualified part material taking clamping jaw 10 and the qualified part material taking clamping jaw 9 are identical in structure, and a guide beam is erected above the discharge end of the workbench. The guide beam is used for realizing the movement of the unqualified part taking clamping jaw in the horizontal position, so that the unqualified part taking clamping jaw is controlled to move to a taking position or a placing position, the lifting cylinder is used for driving the guide seat to move up and down, the descending V-shaped clamping plate is used for taking and placing materials, the requirement of the ascending horizontal guide for moving the spatial position is met, the cylinder is used for driving the clamping jaw seat to move relatively, and therefore the V-shaped clamping plate is used for clamping a corresponding bearing.

Further, the photographing detection system comprises a fixing frame 21 arranged on one side of the discharge end of the workbench, a photographing camera 22 is arranged on the fixing frame, the photographing camera 22 corresponds to the positions of the lower bearing clamping seat 5 and the upper bearing clamping seat 6 on the movable plate 4, an illuminating lamp 23 is further arranged on the fixing frame, and the photographing camera is connected to the background computer data processor through a data signal line. The upper bearing and the lower bearing which are conveyed to the detection end are synchronously photographed through the photographing system, and then transmitted to the processor through the signal wire, so that whether the upper bearing and the lower bearing are reversely mounted, whether the size meets the requirement, whether obvious flaws exist and the like are detected.

The specific operation process of the application formula is as follows:

as shown in the position distribution of the movable plate in figure 1, firstly, a group of upper bearings and lower bearings are manually and correspondingly clamped on a lower bearing clamping seat and an upper bearing clamping seat of one of the movable plates of the feeding port, then, a transverse push block at the feeding end is pushed along a guide groove under the action of an air cylinder to push the corresponding movable plate to transversely roll on a first roller assembly, meanwhile, a longitudinal push block at the side is pushed along the guide groove under the action of the air cylinder to push a row of movable plates to roll on a second roller assembly, after the movable plate at the feeding port is fed, a pushing block at the side of the detection end is pushed along the guide groove under the action of the air cylinder to push the corresponding movable plate to transversely roll on the first roller assembly, a longitudinal push block at the side is pushed along the guide groove under the action of the air cylinder to push a row of movable plates to roll on the second roller assembly, and the continuous feeding of the circularly conveyed movable plate can be carried out by repeating the operations, when the loaded movable plate is conveyed to the detection end, the movable plate is respectively detected and judged in a one-to-one correspondence mode through the photographing detection system, if the movable plate is unqualified, the lifting air cylinder of the unqualified part taking clamping jaw drives the guide seat to descend to drive the clamping jaw seat to descend, and when the movable plate descends to the position of the bearing, the V-shaped clamping plate is driven to move inwards through the air cylinder to clamp the bearing, then the lifting air cylinder is lifted to move to a waste material station, and discharging operation is conducted. If the bearing is qualified, the circulation is continued, when the circulation is carried out to the discharging section, the qualified part material taking clamping jaws are used for taking materials, during the material taking process, the lifting air cylinder drives the guide seat to descend to drive the clamping jaw seat to descend, when the guide seat descends to the position of the bearing, the air cylinder drives the V-shaped clamping plate to move inwards to clamp the bearing, and then the lifting air cylinder rises to move to the waste material station to carry out material placing operation. And (4) continuously operating, thereby forming an automatic feeding system for assembly cycle detection.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless otherwise specifically stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected through the insides of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wheel hub upper and lower bearing assembly circulation detects feeding system, including support (1), support (1) is put on the shelf and is equipped with workstation (2), its characterized in that: the automatic bearing detection device is characterized in that a limiting frame (3) is fixedly installed on the workbench (2), moving plates (4) which are sequentially arranged in parallel are laid in the limiting frame (3), lower bearing clamping seats (5) and upper bearing clamping seats (6) which are arranged at intervals are respectively installed on the upper end face of each moving plate (4), the moving plates (4) are driven by pushing block assemblies (7) at two end parts of each moving plate, each pushing block assembly (7) comprises a transverse pushing block (7-1) and a longitudinal pushing block (7-2), the bottom end faces of the moving plates (4) are guided to move on roller assemblies (8) on the workbench face, the outer side of one end of the workbench (2) is a feeding end, a qualified material taking clamping jaw (9) is erected above the inner side of the feeding end, the other end is a detection end, a detection system for detecting bearings clamped on the lower bearing clamping seats (5) and the upper bearing clamping seats (6) is erected above the workbench (2) at the detection end, a side frame of the photographing detection system is provided with a unqualified part taking clamping jaw (10).

2. The hub upper and lower bearing assembly cycle detection feeding system of claim 1, wherein: the movable plates (4) are of the same specification, are of long-strip-shaped plate structures, are fixedly provided with lower bearing clamping seats (5) and upper bearing clamping seats (6) on the upper end faces through fixed shaft pins (11), are laid in two rows, and one movable plate (4) is absent from the end part of one row.

3. The hub upper and lower bearing assembly cycle detection feeding system of claim 1, wherein: the lower bearing clamping seat (5) comprises a first disc body (5-1), a first positioning table (5-2) for sleeving and fixing the inner ring of the lower bearing is arranged in the middle of the first disc body (5-1), and first supporting blocks (5-3) which are arranged along the circumferential direction and used for supporting the roller frame and the outer ring of the lower bearing are distributed on the outer side of the first positioning table (5-2); the upper bearing clamping seat (6) comprises a second disc body (6-1), and a second positioning table (6-2) for sleeving and fixing an inner ring of the upper bearing is arranged on the second disc body (6-1).

4. The hub upper and lower bearing assembly cycle detection feeding system of claim 3, wherein: a third positioning table (5-4) for fixing the inner ring of the lower bearing in another specification is arranged in the middle of the upper end face of the first positioning table (5-2), and second supporting blocks (5-5) for supporting the roller frame and the outer ring of the lower bearing in another specification are distributed in the circumferential direction of the upper end face of the first positioning table (5-2) on the outer side of the third positioning table (5-4); and a fourth positioning table (6-3) for fixing the inner ring of the bearing in another specification is arranged in the middle of the second positioning table (6-2).

5. The hub upper and lower bearing assembly cycle detection feeding system of claim 1, wherein: roller components (8) including erect and carry roller set (12) and second and carry roller set (13) at first transport roller set (12), first transport roller set (12) are four rows, respectively along two liang of two both ends of workstation lay and set up along horizontal rolling for a set of horizontal side by side, and the interval between two rows is less than the width of movable plate, roller set (13) are carried to the second for four rows, two liang of being a set of side by side along laying on the length direction of workstation and set up along vertical rolling, and the interval between two rows is less than the length of movable plate (4).

6. The hub upper and lower bearing assembly cycle detection feeding system of claim 5, wherein: the first conveying roller group (12) and the second conveying roller group (13) are respectively composed of a plurality of roller unit assemblies arranged at intervals, each roller unit comprises two fixing plates arranged in parallel, rotating shafts arranged at intervals are fixedly installed between the fixing plates, and rollers are sleeved on the rotating shafts.

7. The hub upper and lower bearing assembly cycle detection feeding system of claim 1, wherein: guide grooves (14) for guiding the transverse pushing block (7-1) and the longitudinal pushing block (7-2) are respectively formed in two end portions of the workbench (2), the transverse pushing block (7-1) and the longitudinal pushing block (7-2) are respectively located in the diagonal directions of the two end portions and move in the corresponding guide grooves (14) in a guiding mode, and the transverse pushing block (7-1) and the longitudinal pushing block (7-2) are respectively driven by cylinders corresponding to the bottom ends of the transverse pushing block and the longitudinal pushing block.

8. The hub upper and lower bearing assembly cycle detection feeding system of claim 1, wherein: qualified part get material jack catch (9) including erect nose girder (15) in workstation feed end outside top, install on nose girder (15) and remove seat (16), remove and install liftable guide holder (17) on seat (16), the lift of guide holder (17) is driven by the lift cylinder of its top, the bottom of guide holder (17) is installed around setting up two sets of mobilizable jack catch seats (18) that correspond the setting, V-arrangement cardboard (19) are installed to the bottom portion that clamps the seat, rubber protection pad (20) are installed respectively to the medial surface of V-arrangement cardboard (19), the removal of jack catch seat (18) is driven by the horizontal cylinder of its top respectively.

9. The hub upper and lower bearing assembly cycle detection feeding system of claim 1, wherein: the detection system of shooing establish mount (21) in workstation discharge end one side including the mount, install camera (22) of shooing on the mount, camera (22) of shooing clamps seat (5) and the position correspondence that the upper bearing clamped seat (6) with the lower bearing on movable plate (4), still install light (23) on the mount, the camera of shooing is connected to backstage computer data processor through the data signal line.

10. The hub upper and lower bearing assembly cycle detection feeding system of claim 8, wherein: the unqualified part material taking clamping jaw (10) and the qualified part material taking clamping jaw (9) are identical in structure, and a guide beam of the unqualified part material taking clamping jaw is erected above the discharging end of the workbench.