CN211206279U

CN211206279U - Hub production detection line

Info

Publication number: CN211206279U
Application number: CN201921626838.6U
Authority: CN
Inventors: 谢小兵; 张鹏程
Original assignee: Chengdu Jingyi Intelligent Technology Co ltd
Current assignee: Chengdu Jingyi Intelligent Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-08-07
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a wheel hub production detection line, include first conveyer belt, first detection achievement platform, second conveyer belt, second detection achievement platform and the third conveyer belt that sets gradually along the production line, one side of second conveyer belt is equipped with the triaxial manipulator, the structure of first detection achievement platform and second detection achievement platform is the rotatable workstation the same, but the manipulator of triaxial manipulator for vertical lifting or decline, gyration in the vertical plane of perpendicular. The utility model discloses a wheel hub production detection line has realized wheel hub's autogiration, automatic upset and automatic transport, and production efficiency is high.

Description

Hub production detection line

Technical Field

The utility model relates to an automobile inspection technical field especially relates to a wheel hub production detection line.

Background

After the hub is produced and processed, appearance flaws such as surface defects and sizes of the hub need to be inspected so as to guarantee the production quality of the hub, the traditional production detection line needs to be manually turned over and rotated by an operator when the hub is inspected, and the production efficiency is low.

SUMMERY OF THE UTILITY MODEL

For solving the problem that exists among the prior art, the utility model provides a wheel hub production detection line has realized wheel hub's autogiration, automatic upset and automatic transport, and production efficiency is high.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a wheel hub production detection line, includes first conveyer belt, first detection achievement platform, second conveyer belt, second detection achievement platform and the third conveyer belt that sets gradually along the production line, one side of second conveyer belt is equipped with the triaxial manipulator, first detection achievement platform is the same with second detection achievement platform's structure, is rotatable workstation, but the triaxial manipulator is vertical lifting or decline, can be in the vertical plane manipulator of gyration.

In the structure, first conveying belt transmits the wheel hub formed by machining to a first detection workbench, the first detection workbench is a rotary workbench, after the wheel hub is in place, the first detection workbench clamps the wheel hub tightly and drives the wheel hub to rotate automatically, inspection personnel can detect the appearance defect of one side face of the wheel hub conveniently, after the detection, the first detection workbench transmits the wheel hub to a second conveying belt, a three-axis manipulator grabs the wheel hub on the second conveying belt and overturns the wheel hub, the other side face of the wheel hub faces upwards, the second conveying belt transmits the overturned wheel hub to the second detection workbench, the second detection workbench drives the wheel hub to rotate automatically, the inspection personnel detect the appearance defect of the other side face of the wheel hub, and then the wheel hub is transmitted to a storage by a third conveying belt. The utility model discloses a wheel hub's autogiration, automatic upset and automatic transport, production efficiency is high.

Preferably, the first detection workbench comprises a rack and a rotatable first rotary disc arranged at the top of the rack, a first servo motor for driving the first rotary disc to rotate is arranged on the rack, the top of the first rotary disc is fixedly connected with a second rotary disc through a connecting piece, a gap is formed between the first rotary disc and the second rotary disc, a plurality of parallel transmission rollers are arranged at the top of the second rotary disc, the transmission rollers are fully paved at the top of the second rotary disc, and a first synchronous belt is arranged between every two adjacent transmission rollers; the top of the first rotary disc is provided with two first driving cylinders in mirror symmetry with the connecting piece as the center, the central axes of the pistons of the two first driving cylinders are overlapped, the central axis of the piston of the first driving cylinder is parallel to the transmission roller, the piston ends of the two first driving cylinders are respectively connected with a sliding block, and the top of the first rotary disc is positioned on two sides of the connecting piece and is respectively provided with a sliding rail matched with the two sliding blocks; a pair of parallel connecting plates is vertically arranged at the top of the sliding block, the top of the second rotary disk is provided with a slideway penetrating through the top and the bottom of the second rotary disk corresponding to the two pairs of connecting plates respectively, the slideway corresponds to the gap between two adjacent driving rollers, and the top of the connecting plate penetrates through the slideway and is connected with a clamping block; and a second servo motor is arranged at the top of the first rotary disc and is connected with the driving roller at the end part through a driving belt.

Set up the detection sensor that targets in place in the frame, whole detection achievement platform's work can be controlled by P L C controller, wheel hub carries on the driving roller on the second gyration dish by the preorder transfer chain, wheel hub reachs behind the detection position, the driving roller stops the transmission, two pneumatic fixture work, two drive actuating cylinder drive two sliders respectively and are close to each other, and then make two sets of clamp splice be close to each other, press from both sides wheel hub tightly, first servo motor drives first gyration dish and the synchronous rotation of second gyration dish through the first synchronous area of second, drive wheel hub rotatory 360, after staff's inspection wheel hub's surface defect, pneumatic fixture resets, loosen wheel hub, second servo motor drive driving roller continues the action, give next process with the wheel hub after the inspection.

Preferably, the middle part of driving roller is equipped with two band pulleys side by side, and per two be equipped with a synchronous belt on the band pulley that corresponds on the driving roller respectively, connect each two sets of synchronous belt alternate distribution of driving roller adopts this kind of mode, can make the transmission of transmission power more evenly stable, and then makes wheel hub's transmission process more steady.

Preferably, the outer edge surface of the belt wheel and the inner edge surface of the first synchronous belt are both toothed surfaces which are matched with each other, so that slipping in the transmission process can be prevented, loss of transmission force is reduced, and transmission torque is larger.

Preferably, the clamp splice is the cuboid structure that one end has the inclined plane, four the inclined plane of clamp splice all encloses into the inboard in space towards four clamp splices, and is more firm to wheel hub's centre gripping.

Preferably, the three-axis manipulator comprises a main machine base and a lifting mechanism arranged on the main machine base, the lifting mechanism comprises a rectangular stand column and a sliding plate which is arranged on the outer side wall of the stand column and can slide along the length direction of the stand column, a rectangular tube is connected to the sliding plate, a pneumatic clamping mechanism and a rotary motor for driving the pneumatic clamping mechanism to rotate are rotatably arranged on the rectangular tube, the pneumatic clamping mechanism comprises a mounting plate, a first slide rail and a second slide rail which are perpendicular to the length direction of the stand column are respectively arranged at the top and the bottom of the side surface of the mounting plate far away from the rectangular tube, a first driving plate and a second driving plate are respectively arranged on the first slide rail and the second slide rail in a sliding manner, a driving gear is rotatably arranged between the first slide rail and the second slide rail on the mounting plate, and the bottom of the first driving plate and the top of the second driving plate are respectively provided with a, the top of mounting panel is equipped with the second and drives actuating cylinder, and this second drive actuating cylinder's piston end with first drive plate is connected, be connected with the location clamp splice through the connecting rod respectively on first drive plate and the second drive plate.

The main machine base is made of a profile structure, is used as an installation base of components such as a lifting mechanism, a pneumatic clamping mechanism and the like, and is also a main bearer of the load of the three-axis manipulator; the lifting mechanism is used for longitudinally lifting and descending the workpiece (hub) so that the rotating motor has enough space when overturning the workpiece (hub), and the stroke can be adjusted in two stages by adopting the driving of the servo motor; the pneumatic clamping mechanism is used for clamping a workpiece (hub), the two positioning clamping blocks are pulled to open and close in the horizontal direction through the driving air cylinder, the clamping of workpieces (hubs) with different specifications and sizes can be adapted, meanwhile, the rotary motor can conveniently rotate in the range of the vertical plane of the workpiece (hub), so that 180-degree turning of the workpiece (hub) is realized, the alternating-current servo motor (rotary motor) is adopted for driving, the movement is fast and stable, and the workpiece falling in the rotating process can be avoided; the positioning clamping block adopts a driving cylinder as driving and can automatically center and clamp the wheel hub.

The utility model discloses a to the high efficiency of work piece (wheel hub) (each axle is with high speed straight line operation, available servo motor quick response), stable (minimum repeatability error, can reach 1mm the highest), high strength (7x24 hours work), high accuracy (positioning accuracy can reach 1mm, based on the cost of manufacture reason, can be according to using the suitable positioning accuracy that amplifies of operating mode) and fast-speed automatic upset work, very big improvement in the wheel hub production line, to wheel hub's inspection efficiency.

Preferably, the top of stand is equipped with third servo motor, the top and the bottom of a lateral wall of stand are equipped with horizontally respectively and push up the mounting panel and end the mounting panel, push up the rotatable lead screw that is equipped with of length direction along the stand between mounting panel and the end mounting panel, the both ends of lead screw are respectively through bearing frame and top mounting panel and end mounting panel rotatable coupling, third servo motor's output with the top of lead screw is connected, be equipped with on the lead screw with the screw that the slide is connected, still be equipped with two gliding vertical slide rails from top to bottom of cooperation slide on this lateral wall of stand.

The screw on the lead screw is driven to move up and down through the third servo motor, so that the sliding plate can do stable up-and-down lifting motion along the side wall of the stand column, and the lifting and descending processes of the wheel hub can be more stable.

Preferably, the opposite side surfaces of the two positioning clamping blocks are respectively provided with a V-shaped groove, so that the center of the workpiece (hub) can be automatically aligned, and the workpiece (hub) can be conveniently clamped.

Preferably, the inner surface of the groove of the positioning clamping block is provided with a nylon cushion layer, so that a workpiece (hub) can be prevented from being damaged.

Preferably, the top of stand is equipped with the assembly pulley, keeping away from of stand be equipped with the weight box on the lateral wall of slide, be equipped with the balancing weight in this weight box, this balancing weight pass through the rope with the top of slide is connected, the rope passes through the assembly pulley.

The arrangement of the pulley block and the balancing weight can balance the gravity of the pneumatic clamping mechanism borne by the sliding plate and the gravity of the wheel hub, so that the stability of the overall structure of the three-axis manipulator is ensured, and meanwhile, the stability of the wheel hub in the ascending and descending processes can be improved, and the running safety of the device is ensured.

The utility model has the advantages that:

1. the first conveyor belt transmits the hub formed by machining to a first detection workbench, the first detection workbench is a rotary workbench, the hub is clamped by the first detection workbench after being in place, the hub is driven to rotate automatically, inspection personnel can detect the appearance flaws on one side face of the hub conveniently, after the detection, the first detection workbench transmits the hub to a second conveyor belt, a three-axis manipulator captures the hub on the second conveyor belt and turns over the hub, the other side face of the hub faces upwards, the second conveyor belt transmits the turned hub to the second detection workbench, the second detection workbench drives the hub to rotate automatically, the inspection personnel detect the appearance flaws on the other side face of the hub, and then the inspection personnel are transmitted to a warehouse by a third conveyor belt. The utility model discloses a wheel hub's autogiration, automatic upset and automatic transport, production efficiency is high.

2. Set up the detection sensor that targets in place in the frame, whole detection achievement platform's work can be controlled by P L C controller, wheel hub carries on the driving roller on the second gyration dish by the preorder transfer chain, wheel hub reachs behind the detection position, the driving roller stops the transmission, two pneumatic fixture work, two drive actuating cylinder drive two sliders respectively and are close to each other, and then make two sets of clamp splice be close to each other, press from both sides wheel hub tightly, first gyration dish of first servo motor drive and the synchronous rotation of second gyration dish, drive wheel hub rotation 360, after staff's inspection wheel hub's surface defect, pneumatic fixture resets, loosen wheel hub, second servo motor drive driving roller continues the action, give next process with the wheel hub after the inspection.

3. The middle part of driving roller is equipped with two band pulleys side by side, is equipped with a synchronous belt on the band pulley that corresponds on per two driving rollers respectively, connects two sets of synchronous belt alternate distributions of each driving roller, adopts this kind of mode, can be so that the biography transmission of transmission power is more evenly stable, and then makes wheel hub's transmission process more steady.

4. The outer edge surface of the belt wheel and the inner edge surface of the first synchronous belt are both mutually matched tooth-shaped surfaces, so that slipping can be prevented in the transmission process, the loss of transmission force is reduced, and the transmission torque is larger.

5. The clamp splice is the cuboid structure that one end has the inclined plane, and the inclined plane of four clamp splices all encloses into the inboard in space towards four clamp splices, and is more firm to wheel hub's centre gripping.

6. The utility model discloses a to the high efficiency of work piece (wheel hub) (each axle is with high speed straight line operation, available servo motor quick response), stable (minimum repeatability error, can reach 1mm the highest), high strength (7x24 hours work), high accuracy (positioning accuracy can reach 1mm, based on the cost of manufacture reason, can be according to using the suitable positioning accuracy that amplifies of operating mode) and fast-speed automatic upset work, very big improvement in the wheel hub production line, to wheel hub's inspection efficiency.

7. The screw on the lead screw is driven to move up and down through the third servo motor, so that the sliding plate can do stable up-and-down lifting motion along the side wall of the stand column, and the lifting and descending processes of the wheel hub can be more stable.

8. The opposite side surfaces of the two positioning clamping blocks are respectively provided with a V-shaped groove, so that the center of a workpiece (hub) can be automatically aligned, and the workpiece (hub) can be conveniently clamped.

9. The inner surface of the groove of the positioning clamping block is provided with a nylon cushion layer, so that a workpiece (hub) can be prevented from being damaged.

10. The arrangement of the pulley block and the balancing weight can balance the gravity of the pneumatic clamping mechanism borne by the sliding plate and the gravity of the wheel hub, so that the stability of the overall structure of the three-axis manipulator is ensured, and meanwhile, the stability of the wheel hub in the ascending and descending processes can be improved, and the running safety of the device is ensured.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a hub production detection line according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a first detection workbench according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a top view of the first detection table according to the embodiment of the present invention;

fig. 5 is a front view of the first detection table according to the embodiment of the present invention;

fig. 6 is a side view of the first detection table according to the embodiment of the present invention;

fig. 7 is a schematic perspective view of a first rotary disk according to an embodiment of the present invention;

fig. 8 is a top view of a first rotary disk according to an embodiment of the present invention;

fig. 9 is a schematic perspective view of a three-axis manipulator according to an embodiment of the present invention;

FIG. 10 is an enlarged view at B of FIG. 10;

fig. 11 is a schematic perspective view of a three-axis manipulator according to an embodiment of the present invention;

fig. 12 is a front view of a three-axis robot according to an embodiment of the present invention;

fig. 13 is a top view of a three-axis robot according to an embodiment of the present invention;

fig. 14 is a schematic perspective view of a lifting mechanism according to an embodiment of the present invention;

fig. 15 is a schematic perspective view of a pneumatic clamping mechanism according to an embodiment of the present invention;

fig. 16 is a front view of a pneumatic clamping mechanism according to an embodiment of the present invention.

Description of reference numerals:

1. a first conveyor belt; 2. a first detection stage; 21. a frame; 22. a first rotary disk; 23. a second rotary disk; 24. a driving roller; 2401. a pulley; 2402. a first synchronization belt; 25. a pneumatic clamp; 2501. a slide rail; 2502. a slider; 2503. a first connecting plate; 2504. a clamping block; 2505. a first driving cylinder; 26. a connecting member; 27. a first servo motor; 28. a second servo motor; 29. a transmission belt; 3. a second conveyor belt; 4. a second detection stage; 5. a third conveyor belt; 6. a three-axis manipulator; 61. a main machine base; 62. a lifting mechanism; 6201. a column; 6202. a slide plate; 6203. a third servo motor; 6204. a screw rod; 63. a rectangular tube; 64. a pneumatic clamping mechanism; 6401. mounting a plate; 6402. a first slide rail, 6403, a second slide rail; 6404. a first drive plate; 6405. a second drive plate; 6406. a drive gear; 6407. a second driving cylinder; 6408. a second connecting plate; 6409. a connecting rod; 6410. positioning the clamping block; 65. a rotating electric machine; 66. a pulley block; 67. a weight box; 7. a second timing belt.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example (b):

as shown in fig. 1, a wheel hub production detection line includes a first conveyor belt 1, a first detection workbench 2, a second conveyor belt 3, a second detection workbench 4 and a third conveyor belt 5 which are sequentially arranged along a production line, wherein a three-axis manipulator 6 is arranged on one side of the second conveyor belt 3, the first detection workbench 2 and the second detection workbench 4 have the same structure and are both rotatable workbenches, and the three-axis manipulator 6 is a manipulator which can be longitudinally lifted or lowered and can rotate in a vertical plane.

In the structure, first conveyer belt 1 transmits the wheel hub of machine-shaping for first detection workbench 2, first detection workbench 2 is swivel work head, wheel hub targets in place the back, first detection workbench 2 presss from both sides wheel hub tightly, and drive wheel hub autogiration, the inspection personnel of being convenient for detect the outward appearance flaw of a side of wheel hub, detect the back, first detection workbench 2 transmits wheel hub for second conveyer belt 3, triaxial manipulator 6 snatchs the wheel hub on second conveyer belt 3, and overturn wheel hub, make wheel hub's opposite side face up, second conveyer belt 3 transmits the wheel hub after the upset for second detection workbench 4, second detection workbench 4 drives wheel hub autogiration, inspection personnel detect the outward appearance flaw of another side of wheel hub, afterwards, transmit by third conveyer belt 5 and put in storage. The utility model discloses a wheel hub's autogiration, automatic upset and automatic transport, production efficiency is high.

In one embodiment, as shown in fig. 2 to 8, the first detection table 2 includes a frame 21 and a first rotary disc 22 rotatably disposed on the top of the frame 21, the frame 21 is provided with a first servo motor 27 for driving the first rotary disc 22 to rotate, the top of the first rotary disc 22 is fixedly connected with a second rotary disc 23 through a connecting member 26, a gap is disposed between the first rotary disc 22 and the second rotary disc 23, the top of the second rotary disc 23 is provided with a plurality of mutually parallel driving rollers 24, the plurality of driving rollers 24 are fully laid on the top of the second rotary disc 23, and a first synchronous belt 2404 is disposed between two adjacent driving rollers 24; the top of the first rotary disc 22 is provided with two first driving cylinders 2505 in mirror symmetry with the connecting piece 26 as a center, the central axes of the pistons of the two first driving cylinders 2505 are overlapped, the central axis of the piston of the first driving cylinder 2505 is parallel to the driving roller 24, the piston ends of the two first driving cylinders 2505 are respectively connected with a sliding block 2502, and the top of the first rotary disc 22 is positioned on two sides of the connecting piece 26 and is respectively provided with a sliding rail 2501 matched with the two sliding blocks 2502; a pair of first connecting plates 2503 which are parallel to each other is vertically arranged at the top of the sliding block 2502, slide ways penetrating through the top and the bottom of the second rotary disc 23 are respectively arranged at the top of the second rotary disc 23 corresponding to the two pairs of first connecting plates 2503, the slide ways correspond to the gap between two adjacent driving rollers 24, and the top of the first connecting plate 2503 penetrates through the slide ways and is connected with a clamping block 2504; the top of the first rotating disk 22 is provided with a second servomotor 28, and the second servomotor 28 is connected to the driving roller 24 at the end by a belt 29.

Set up the detection sensor that targets in place on frame 21, the work of whole detection achievement platform can be controlled by P L C controller, wheel hub carries on the driving roller 24 on the second gyration dish 23 by the preorder transfer chain, wheel hub reachs behind the detection position, driving roller 24 stops the transmission, two pneumatic fixture 25 work, two drive actuating cylinder drive two sliders 2502 respectively and are close to each other, and then make two sets of clamp splice 2504 be close to each other, press from both sides wheel hub tightly, first servo motor 27 drives first gyration dish 22 and second gyration dish 23 rotation through second hold-in range 7, it is rotatory 360 to drive wheel hub, after staff's inspection wheel hub's surface defect, pneumatic fixture 25 resets, loosen wheel hub, second servo motor 28 drives driving roller 24 and continues the action, give next process with the wheel hub after the inspection, the utility model discloses a accurate transmission and the autogiration of wheel hub, long-term operation has good mechanical stability, high work efficiency.

In one embodiment, as shown in fig. 3, two belt wheels 2401 are arranged in parallel in the middle of the driving rollers 24, a first synchronous belt 2402 is arranged on each belt wheel 2401 corresponding to each of the two driving rollers 24, and the two groups of first synchronous belts 2402 connected to each of the driving rollers 24 are alternately distributed.

In one embodiment, as shown in fig. 3, the outer edge surface of the pulley 2401 and the inner edge surface of the first synchronous belt 2402 are both mutually matched toothed surfaces, so that slipping during transmission can be prevented, loss of transmission force can be reduced, and transmission torque is larger.

In one embodiment, as shown in fig. 7 and 8, the clamping block 2504 is a rectangular parallelepiped structure with an inclined surface at one end, and the inclined surfaces of the four clamping blocks 2504 face the inner side of the space surrounded by the four clamping blocks 2504, so that the hub can be clamped more stably.

In one embodiment, as shown in fig. 9-16, the three-axis robot 6 comprises a main machine base 61 and a lifting mechanism 62 disposed on the main machine base 61, the lifting mechanism 62 comprises a rectangular upright 6201 and a sliding plate 6202 disposed on an outer side wall of the upright 6201 and capable of sliding along a length direction of the upright 6201, a rectangular tube 63 is connected to the sliding plate 6202, a pneumatic clamping mechanism 64 and a rotating motor 65 driving the pneumatic clamping mechanism 64 to rotate are rotatably disposed on the rectangular tube 63, the pneumatic clamping mechanism 64 comprises a mounting plate 6401, a first sliding rail 6402 and a second sliding rail 6403 perpendicular to the length direction of the upright 6201 are respectively disposed on a top portion and a bottom portion of a side of the mounting plate 6401 away from the rectangular tube 63, a first driving plate 6404 and a second driving plate 6405 are respectively slidably disposed on the first sliding rail 6402 and the second sliding rail 6403, a driving gear 6406 is rotatably disposed on the mounting plate 6401 and between the first sliding rail 6402 and the second sliding rail 6403, the bottom of the first driving plate 6404 and the top of the second driving plate 6405 are respectively provided with a toothed surface engaged with the driving gear 6406, the top of the mounting plate 6401 is provided with a second driving cylinder 6407, the piston end of the second driving cylinder 6407 is connected with the first driving plate 6404 through a second connecting plate 6408, the first driving plate 6404 and the second driving plate 6405 are respectively connected with a positioning clamp 6410 through a connecting rod 6409, when a workpiece is clamped, the second driving cylinder 6407 drives the first driving plate 6404 to move transversely, the first driving plate 6404 drives the second driving plate 6405 to move through the driving gear 6406, because the bottom of the first driving plate 6404 is engaged with the top of the driving gear 6406, and the top of the second driving plate 6405 is engaged with the bottom of the driving gear 6406, therefore, the first driving plate 6404 and the second driving plate 6405 are always kept in a moving state close to or far away from each other, the clamping or releasing of the workpiece is realized.

The main machine base 61 is made of a profile structure, and functions as a mounting base for components such as the lifting mechanism 62 and the pneumatic clamping mechanism 64, and is also a main bearer for the load of the three-axis manipulator 6; the lifting mechanism 62 is used for longitudinally lifting and lowering the workpiece (hub) so that the rotating motor 65 has enough space when overturning the workpiece (hub), and is driven by a servo motor, and the stroke can be adjusted in a secondary mode; the pneumatic clamping mechanism 64 is used for clamping a workpiece (hub), the second driving cylinder 6407 is used for pulling the two positioning clamping blocks 6410 to open and close in the horizontal direction, the clamping of workpieces (hubs) with different specifications and sizes can be adapted, meanwhile, the rotating motor 5 can conveniently rotate in the range of the vertical plane of the workpiece (hub) to realize 180-degree turning of the workpiece (hub), the alternating-current servo motor (rotating motor 65) is used for driving, the movement is fast and stable, and the workpiece falling in the rotating process can be avoided; the positioning clamping block 6410 adopts a second driving cylinder 6407 as a driving device, and can automatically center and clamp the wheel hub.

In one embodiment, as shown in fig. 10 and 14, a third servo motor 6203 is disposed on the top of the upright 6201, a top mounting plate and a bottom mounting plate which are horizontal are disposed on the top and bottom of an outer sidewall of the upright 6201, a lead screw 6204 is rotatably disposed between the top mounting plate and the bottom mounting plate along the length direction of the upright, two ends of the lead screw 6204 are rotatably connected to the top mounting plate and the bottom mounting plate through bearing seats, respectively, an output end of the third servo motor 6203 is connected to the top end of the lead screw 6204, a nut connected to the sliding plate 6202 is disposed on the lead screw 6204, and two longitudinal sliding rails which are matched with the sliding plate to slide up and down are further disposed on the outer sidewall of the upright 6201.

The screw on the screw rod 6204 is driven by the third servo motor 6203 to move up and down, so that the sliding plate 6202 can do stable up and down lifting motion along the side wall of the upright post 6201, and the lifting and descending processes of the hub can be more stable.

In one embodiment, as shown in fig. 9, 11, 13 and 15, V-shaped grooves are respectively formed on opposite side surfaces of the two positioning blocks 6410, so that the center of the workpiece (hub) can be automatically aligned, and the workpiece (hub) can be conveniently clamped.

In one embodiment, the inner surface of the groove of the positioning clamp block 6410 is provided with a nylon cushion layer, so that the workpiece (hub) can be prevented from being damaged.

In one embodiment, as shown in fig. 9 and 11, a pulley block 66 is disposed on the top of the column 6201, a weight box 67 is disposed on the side wall of the column 6201 away from the sliding plate 6202, a weight block is disposed in the weight box 67, and the weight block is connected to the top of the sliding plate 6202 by a rope, and the rope passes through the pulley block 66.

The arrangement of the pulley block 66 and the balancing weight can balance the gravity of the pneumatic clamping mechanism 64 borne on the sliding plate 6202 and the gravity of the hub, so that the stability of the overall structure of the three-axis manipulator 6 is ensured, and meanwhile, the stability of the hub in the ascending and descending processes can be improved, and the operation safety of the device is ensured.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a wheel hub production detection line, its characterized in that includes first conveyer belt, first detection achievement platform, second conveyer belt, second detection achievement platform and the third conveyer belt that sets gradually along the production line, one side of second conveyer belt is equipped with the triaxial manipulator, first detection achievement platform is the same with second detection achievement platform's structure, is rotatable workstation, but the manipulator of triaxial manipulator for vertical lifting or decline, can be in the vertical plane gyration.

2. The hub production detecting line according to claim 1, wherein the first detecting table comprises a frame and a first rotary disc rotatably arranged at the top of the frame, a first servo motor for driving the first rotary disc to rotate is arranged on the frame, the top of the first rotary disc is connected with a second rotary disc through a connecting piece, a plurality of mutually parallel driving rollers are arranged at the top of the second rotary disc, the driving rollers are paved on the top of the second rotary disc, and a first synchronizing belt is arranged between every two adjacent driving rollers; the top of the first rotary disc is provided with two first driving cylinders in mirror symmetry with the connecting piece as the center, the central axes of the pistons of the two first driving cylinders are overlapped, the central axis of the piston of the first driving cylinder is parallel to the transmission roller, the piston ends of the two first driving cylinders are respectively connected with a sliding block, and the top of the first rotary disc is positioned on two sides of the connecting piece and is respectively provided with a sliding rail matched with the two sliding blocks; a pair of parallel connecting plates is vertically arranged at the top of the sliding block, the top of the second rotary disk is provided with a slideway penetrating through the top and the bottom of the second rotary disk corresponding to the two pairs of connecting plates respectively, the slideway corresponds to the gap between two adjacent driving rollers, and the top of the connecting plate penetrates through the slideway and is connected with a clamping block; and a second servo motor is arranged at the top of the first rotary disc and is connected with the driving roller at the end part through a driving belt.

3. The hub production detecting line according to claim 2, wherein two belt pulleys are arranged in parallel at the middle of the driving rollers, a first synchronous belt is arranged on each belt pulley corresponding to each of the two driving rollers, and two groups of the first synchronous belts connecting the driving rollers are alternately distributed.

4. The hub production test line according to claim 3, wherein the outer edge surface of the pulley and the inner edge surface of the first synchronous belt are both mutually cooperating toothed surfaces.

5. The hub production detecting line according to claim 4, wherein the clamping blocks are rectangular structures with one ends provided with inclined planes, and the inclined planes of the four clamping blocks face the inner side of a space surrounded by the four clamping blocks.

6. The wheel hub production detecting line according to claim 1 or 5, wherein the three-axis manipulator comprises a main machine base and a lifting mechanism arranged on the main machine base, the lifting mechanism comprises a vertical column and a sliding plate arranged on the outer side wall of the vertical column and capable of sliding along the length direction of the vertical column, a rectangular tube is connected to the sliding plate, a pneumatic clamping mechanism and a rotating motor for driving the pneumatic clamping mechanism to rotate are rotatably arranged on the rectangular tube, the pneumatic clamping mechanism comprises a mounting plate, a first sliding rail and a second sliding rail which are perpendicular to the length direction of the vertical column are respectively arranged at the top and the bottom of the side surface of the mounting plate far away from the rectangular tube, a first driving plate and a second driving plate are respectively slidably arranged on the first sliding rail and the second sliding rail, and a driving gear is rotatably arranged between the first sliding rail and the second sliding rail on the mounting plate, the bottom of the first driving plate and the top of the second driving plate are respectively provided with a tooth-shaped surface meshed with the driving gear, the top of the mounting plate is provided with a second driving cylinder, the piston end of the second driving cylinder is connected with the first driving plate, and the first driving plate and the second driving plate are respectively connected with a positioning clamping block through connecting rods.

7. The wheel hub production detecting line according to claim 6, wherein a third servo motor is provided at the top of the upright, a lead screw is rotatably provided on an outer side wall of the upright, an output end of the third servo motor is connected with a top end of the lead screw, and a nut connected with the sliding plate is provided on the lead screw.

8. The hub production detecting line according to claim 7, wherein opposite side surfaces of the two positioning clamping blocks are respectively provided with a V-shaped groove.

9. The hub production testing line according to claim 8, wherein an inner surface of the groove of the positioning clamping block is provided with a nylon cushion layer.

10. The wheel hub production test line of claim 9, wherein a pulley block is provided at a top of the column, a weight box is provided at a side wall of the column remote from the skid plate, a weight block is provided in the weight box, the weight block is connected to the top of the skid plate by a rope, and the rope passes through the pulley block.