Aluminum alloy hub PCD hole and center hole detection device

Abstract

The invention provides an aluminum alloy hub PCD hole and center hole detection device which comprises a detection rotary table and further comprises a feeding conveying belt and a discharging conveying belt which are arranged at the side end of the detection rotary table, a Y-axis driving assembly is arranged above the feeding conveying belt, the discharging conveying belt and the detection rotary table, and a Z-axis driving assembly is arranged on a Y-axis sliding rail in a sliding mode. A material conveying assembly and a detection assembly are arranged at the output end of the Z-axis driving assembly, the material conveying assembly is used for conveying a hub body on the feeding conveying belt to the detection rotary table and conveying the detected hub body to the discharging conveying belt, and the detection assembly is used for detecting a center hole of the hub body and detecting the center hole of the hub body. The conveying assembly is driven by the Y-axis driving assembly and the Z-axis driving assembly to move among the detection rotary table, the feeding conveying belt and the discharging conveying belt, so that the purpose of automatically conveying the hub body is achieved, and positioning and detection of the hub body are achieved through the detection assembly and the detection rotary table.

Description

Technical Field

[0001] The invention relates to a wheel hub detection device, in particular to a detection device for a PCD hole and a center hole of an aluminum alloy wheel hub. Background Art

[0002] like Figure 1 As shown, a vehicle wheel hub includes a wheel hub body 90 , and the wheel hub body 90 is provided with a center hole 91 and a PCD hole 92 .

[0003] At present, a Chinese patent with announcement number CN104567768B discloses a wheel hub center hole and cover size detection machine, which is composed of a linear encoder, a lifting slider, a locking nut, a detection head, an adjustment handwheel, an air blowing nozzle, an emitting light eye, a cylinder, a diameter detection device, a receiving light eye, a wheel hub support frame, a lifting cylinder, a counterweight block, a centering grab block, a base, and a column. The hub support frame and column are installed on the base, the diameter detection device is installed in the middle of the hub support frame, the emitting light eye and the receiving light eye are installed on the two side surfaces of the hub support frame, the cylinder is installed under the diameter detection device, the centering grab block is installed on the hub support frame, the lifting slider, the counterweight block and the adjusting handwheel are installed on the column, and the linear encoder, the locking nut, the detection head and the lifting cylinder are installed on the lifting slider; the wheel hub is placed in the diameter detection device, the hub support frame supports the wheel hub, the cylinder pulls the centering grab block to move, the centering grab block centers the wheel hub, and the diameter detection device detects the center hole size of the wheel hub.

[0004] The above patent still has shortcomings. The above detection machine needs to be manually carried and placed, which has high labor costs and low degree of automation. In addition, it is difficult to carry and place the wheel by only one person when detecting larger wheels. Summary of the invention

[0005] In view of this, an object of the present invention is to provide a detection device for PCD holes and center holes of an aluminum alloy wheel hub, which has the function of automatically transporting and positioning the wheel hub.

[0006] In order to solve the above technical problems, the technical solution of the present invention is: a PCD hole and center hole detection device for an aluminum alloy wheel hub, comprising a detection turntable, and also comprising a loading conveyor belt and a unloading conveyor belt arranged on the side ends of the detection turntable, a Y-axis drive assembly is arranged above the loading conveyor belt, the unloading conveyor belt and the detection turntable, a Z-axis drive assembly is slidably arranged on the Y-axis slide rail, and a material transport assembly and a detection assembly are arranged on the output end of the Z-axis drive assembly, the material transport assembly is used to transport the hub body on the loading conveyor belt to the detection turntable, and transport the detected hub body to the unloading conveyor belt, and the detection assembly is used to detect the center hole of the hub body.

[0007] Through the above-mentioned technical means, the Y-axis drive assembly and the Z-axis drive assembly drive the material transport assembly to move between the inspection turntable, the loading conveyor belt, and the unloading conveyor belt, thereby achieving the purpose of automatically transporting the hub body, and the hub body is positioned and inspected through the inspection assembly and the inspection turntable.

[0008] Preferably, the detection turntable includes a table body, a drive motor, a hub turntable and three clamping cylinders, the clamping cylinders are arranged in a ring array, the drive motor is arranged in the table body, and the hub turntable is arranged at the output end of the drive motor.

[0009] Through the above technical means, the wheel hub body is supported by three clamping cylinders, so as to achieve three-point positioning of the wheel hub body and increase the installation accuracy of the wheel hub body.

[0010] Preferably, a forming block is also provided on the top of the wheel hub turntable, the forming block is adapted to the wheel hub body, the forming block and the wheel hub turntable are detachably arranged by screws, positioning holes are provided on the wheel hub turntable and the forming block, and positioning pins are provided in the positioning holes.

[0011] Through the above-mentioned technical means, the positioning accuracy of the hub body is increased by cooperating between the forming block and the hub body, thereby increasing the detection accuracy of the hole. The detachable cooperation between the forming block and the hub turntable makes the equipment adaptable to hub bodies of various sizes and types. The installation accuracy of the forming block is increased by cooperating between the positioning hole and the positioning pin.

[0012] Preferably, the Y-axis drive assembly includes a pair of elevated frames, each of which is provided with a slide rail, a slider 1 is slidably provided on the slide rail, a frame rod is fixedly provided between the two sliders 1, and the Z-axis drive assembly is arranged on the frame rod, a motor 1 and a bearing seat 1 are respectively provided at both ends of the slide rail, a screw 1 is provided at the output end of the motor 1, the screw 1 passes through the slider and is threadedly engaged with the slider, and the tail end of the screw 1 is fixed to the bearing seat 1.

[0013] Through the above technical means, through the cooperation between the slide rail and the slider 1, and through the thread cooperation between the lead screw 1 and the slider, the slider 1 can be moved with high precision in the Y-axis direction.

[0014] Preferably, the Z-axis drive assembly includes a base plate, a slide groove is provided on the base plate, a slider 2 is slidably arranged in the slide groove, a motor 2 is also provided above the base plate, a lead screw 2 is provided at the output end of the motor 2, the lead screw 2 passes through the slider 2, a bearing seat 2 is provided at the bottom of the base plate, the tail of the lead screw 2 is connected to the bearing seat 2, and the material transport assembly is provided on the slider 2.

[0015] Through the above technical means, through the cooperation between the lead screw 2 and the slider 2, the slider 2 can slide on the substrate with high precision, so that the material transport component can move with high precision in the Z-axis direction.

[0016] Preferably, the material transport assembly includes a cylinder 1, a telescopic rod is provided at the output end of the cylinder 1, a round frame is fixedly provided on the telescopic rod, a hinged base is also provided at the end of the cylinder 1, a plurality of hinge grooves are opened on the round frame, a material lifting rod is hingedly provided in the hinge groove, an articulated rocker arm is provided between the material lifting rod and the articulated base, one end of the articulated rocker arm is hinged to the material lifting rod, and the other end is hinged to the articulated base.

[0017] Through the above technical means, the telescopic rod is driven to move by cylinder 1, and the lifting rod is unfolded and retracted through the hinged cooperation between the articulated rocker arm, the lifting rod and the articulated base. After the telescopic rod is extended into the center hole of the hub body, the lifting rod can be unfolded to complete the transportation of the hub body.

[0018] Preferably, the detection assembly includes a mounting ring, a detection ring, a bottom ring and a plurality of detection heads, the detection heads are arranged in a circular array on the side end of the mounting ring, the detection ring is provided with a tolerance hole, the diameter of the tolerance hole is smaller than the diameter of the mounting ring, the detection ring is sleeved on the outside of the telescopic rod, the bottom ring is fixed to the bottom of the mounting ring and against the detection ring, and springs are also arranged in a circular array between the telescopic rod and the detection ring.

[0019] Through the above-mentioned technical means, by setting a detection ring and setting a detection head between the detection ring and the mounting ring, when the detection ring touches the hole wall of the center hole, the hub body is rotated, and the roundness of the center hole can be obtained according to the feedback of the detection head. The size of the center hole diameter and the hole position accuracy of the center hole can be obtained through the distance moved by the Y-axis drive assembly.

[0020] Preferably, the bottom ring and the detection ring are provided with inclined guide surfaces, the side end of the cylinder one is also provided with a positioning rod, the bottom of the limit rod is provided with a positioning head, the positioning rod is rotatably set on the cylinder one, the positioning head is clearance-matched with the PCD hole, and the diameter of the detection ring is the same as that of the positioning head.

[0021] Through the above technical means, by setting the positioning head, the position of the PCD hole of the hub body can be confirmed before moving the hub body, and by setting the bottom ring and the detection ring as inclined guide surfaces, the position accuracy of each PCD hole can be detected. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of an embodiment; Figure 2 A schematic top view of an embodiment; Figure 3is a cross-sectional schematic diagram of an embodiment; Figure 4 It is a structural schematic diagram of the material transport component; Figure 5 A cross-sectional schematic diagram of the detection component.

[0023] Figure numerals: 1, detection turntable; 2, loading conveyor belt; 3, unloading conveyor belt; 4, Y-axis drive assembly; 5, Z-axis drive assembly; 6, material transport assembly; 7, detection assembly; 8, overhead frame; 9, slide rail; 10, slider 1; 11, rack rod; 12, motor 1; 13, bearing seat 1; 14, lead screw 1; 15, base plate; 16, slide groove; 17, slider 2; 18, motor 2; 19, lead screw 2; 20, bearing seat 2; 21, table; 22, drive motor; 23, wheel hub turntable; 24, clamping cylinder; 25, Forming block; 26, positioning hole; 27, positioning pin; 28, cylinder one; 29, telescopic rod; 30, round frame; 31, hinged base; 32, hinged slot; 33, lifting rod; 34, hinged rocker; 35, mounting ring; 36, detection ring; 37, bottom ring; 38, detection head; 39, tolerance hole; 40, spring; 41, countersunk hole; 42, inclined guide surface; 43, positioning rod; 44, sleeve ring; 45, sleeve ring base; 46, motor three; 47, gear; 90, hub body; 91, center hole; 92, PCD hole. DETAILED DESCRIPTION

[0024] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.

[0025] A device for detecting PCD holes and center holes of an aluminum alloy wheel hub comprises a detection turntable 1, and also comprises a feeding conveyor belt 2 and a discharging conveyor belt 3 arranged at the side ends of the detection turntable 1. The wheel hub body 90 will be roughly aligned before entering the feeding conveyor belt 2. A Y-axis driving component 4 is arranged above the feeding conveyor belt 2, the discharging conveyor belt 3 and the detection turntable 1. A Z-axis driving component 5 is slidingly arranged on the Y-axis slide rail 9. A material transport component 6 and a detection component 7 are arranged on the output end of the Z-axis driving component 5. The material transport component 6 and the detection component 7 are arranged on the output end of the Z-axis driving component 5. Component 6 is used to transport the hub body 90 on the loading conveyor belt 2 to the inspection turntable 1, and transport the inspected hub body 90 to the unloading conveyor belt 3. The inspection component 7 is used to inspect the center hole 91 of the hub body 90. The Y-axis drive component 4 and the Z-axis drive component 5 drive the transport component 6 to move between the inspection turntable 1, the loading conveyor belt, and the unloading conveyor belt, thereby achieving the purpose of automatically transporting the hub body 90. The hub body 90 is positioned and inspected by the inspection component 7 and the inspection turntable 1.

[0026] The Y-axis driving assembly 4 includes a pair of elevated frames 8, which span across the loading conveyor belt 2, the unloading conveyor belt 3 and the detection turntable 1. The elevated frames 8 are each provided with a slide rail 9, on which a slider 10 is slidably provided, and a frame rod 11 is fixedly provided between the two sliders 10. The Z-axis driving assembly 5 is provided on the frame rod 11, and a motor 12 and a bearing seat 13 are respectively provided at both ends of the slide rail 9. A lead screw 14 is provided at the output end of the motor 12, and the lead screw 14 passes through the slider and is threadedly matched with the slider, and the tail end of the lead screw 14 is fixed to the bearing seat 13.

[0027] The Z-axis driving assembly 5 includes a base plate 15, a slide groove 16 is provided on the base plate 15, a slider 17 is slidably arranged in the slide groove 16, a motor 18 is also arranged above the base plate 15, a screw 19 is arranged at the output end of the motor 18, the screw 19 passes through the slider 17, a bearing seat 20 is arranged at the bottom of the base plate 15, the tail of the screw 19 is connected to the bearing seat 20, and the material transport assembly 6 is arranged on the slider 17.

[0028] The inspection turntable 1 includes a table body 21, a drive motor 22, a hub turntable 23 and three clamping cylinders 24. The clamping cylinders 24 are arranged in a circular array. The drive motor 22 is arranged in the table body 21, and the hub turntable 23 is arranged at the output end of the drive motor 22. When the hub body 90 is installed on the hub turntable 23, the three clamping cylinders 24 are against the hub body 90 to complete three-point positioning.

[0029] A molding block 25 is also provided on the top of the wheel hub turntable 23. The molding block 25 is adapted to the wheel hub body 90. The molding block 25 and the wheel hub turntable 23 are detachably arranged by screws. Positioning holes 26 are provided on the wheel hub turntable 23 and the molding block 25. Positioning pins 27 are provided in the positioning holes 26. Through the detachable cooperation between the molding block 25 and the wheel hub turntable 23, the equipment can adapt to various sizes and types of wheel hub bodies 90. Through the cooperation between the positioning holes 26 and the positioning pins 27, the installation accuracy of the molding block 25 is increased.

[0030] The material transport assembly 6 includes a cylinder 28, a telescopic rod 29 is provided at the output end of the cylinder 28, a round frame 30 is fixedly provided on the telescopic rod 29, and a hinged base 31 is also provided at the end of the cylinder 28. Four hinge grooves 32 are provided on the round frame 30, and a lifting rod 33 is hingedly provided in the hinge groove 32. A hinged swing rod 34 is provided between the lifting rod 33 and the hinged base 31. One end of the hinged swing rod 34 is hinged to the lifting rod 33, and the other end is hinged to the hinged base 31. When the telescopic rod 29 moves downward, the round frame 30 and the lifting rod 33 are driven One end of the lifting rod 33 moves downward, at this time, the angle between the lifting rod 33 and the articulated rocker arm 34 gradually increases, and the lifting rod 33 is gradually retracted. When the telescopic rod 29 is upward, the articulated rocker arm 34 gradually presses the lifting rod 33 on the bottom surface of the articulated groove 32. At this time, the lifting rod 33 is gradually extended. When the lifting rod 33 is fully extended, it is perpendicular to the telescopic rod 29 at 90°. At this time, the maximum diameter formed by the lifting rod 33 is larger than the diameter of the center hole 91 of the hub body 90. When the lifting rod 33 is retracted, the diameter of the lifting rod 33 is smaller than the diameter of the center hole 91 of the hub body 90.

[0031] The detection assembly 7 includes a mounting ring 35, a detection ring 36, a bottom ring 37 and a plurality of detection heads 38. The detection heads 38 are arranged in a circular array at the side end of the mounting ring 35. The detection ring 36 is provided with a tolerance hole 39, the diameter of the tolerance hole 39 is smaller than the diameter of the mounting ring 35. The detection ring 36 is sleeved on the outside of the telescopic rod 29. The bottom ring 37 is fixed to the bottom of the mounting ring 35 and abuts against the detection ring 36. A spring 40 is also arranged in a circular array between the telescopic rod 29 and the detection ring 36. Countersunk holes 41 are provided on the outside of the bottom of the telescopic rod 29 and the inside of the detection ring 36. During installation, the spring 40 is first installed in the countersunk hole 41 of the telescopic rod 29, and then the detection ring 36 is sleeved on the telescopic rod 29 and the spring 40 is pressed into the countersunk hole 41 of the detection ring 36. In the countersunk hole 41, the detection ring 36 will be semi-fixed on the telescopic rod 29, and then the mounting ring 35 is installed on the lower end surface of the telescopic rod 29 by screws, and the detection head 38 is made to press against the detection ring 36, and finally the bottom ring 37 is fixed to the mounting ring 35 by screws. At this time, the bottom ring 37 presses against the bottom surface of the mounting ring 35, and when detecting the center hole 91 of the hub body 90, the detection ring 36 is pressed against the wall of the center hole 91 through the Y-axis drive assembly 4. When the detection ring 36 touches the wall of the center hole 91, the hub body 90 is rotated, and the roundness of the center hole 91 can be obtained according to the feedback of the detection head 38, and the diameter of the center hole 91 and the hole position accuracy of the center hole 91 can be obtained through the distance moved by the Y-axis drive assembly 4.

[0032] The bottom ring 37 and the detection ring 36 are provided with an inclined guide surface 42, the side end of the cylinder 28 is also provided with a positioning rod 43, the tail of the positioning rod 43 is provided with a sleeve ring 44, the bottom of the cylinder 28 is provided with a sleeve ring base 45 that cooperates with the sleeve ring 44, the sleeve ring 44 is rotatably arranged on the sleeve ring base 45, the side end of the cylinder 28 is also provided with a motor 3 46 that drives the sleeve ring 44 to rotate, the outer side of the sleeve ring 44 is provided with gear teeth, and the output end of the motor 3 46 is provided with a gear 4 7. The gear 47 is meshed with the sleeve ring 44. A positioning head is provided at the bottom of the limit rod. The positioning rod 43 is rotatably set on the cylinder 28. The positioning head is clearance-matched with the PCD hole 92. The diameter of the detection ring 36 is the same as that of the positioning head. By setting the positioning head, the position of the PCD hole 92 of the hub body 90 can be confirmed before moving the hub body 90. By setting the bottom ring 37 and the detection ring 36 to form an inclined guide surface 42, the position accuracy of each PCD hole 92 can be detected.

[0033] Of course, the above are only typical examples of the present invention. In addition, the present invention may also have many other specific implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A device for detecting PCD holes and center holes of an aluminum alloy wheel hub, comprising a detection turntable (1), characterized in that: It also includes a loading conveyor belt (2) and a unloading conveyor belt (3) arranged at the side ends of the detection turntable (1); a Y-axis driving assembly (4) is arranged above the loading conveyor belt (2), the unloading conveyor belt (3) and the detection turntable (1); a Z-axis driving assembly (5) is slidably arranged on the Y-axis slide rail (9); a material transport assembly (6) and a detection assembly (7) are arranged on the output end of the Z-axis driving assembly (5); the material transport assembly (6) is used to transport the hub body (90) on the loading conveyor belt (2) to the detection turntable (1), and to transport the hub body (90) that has been inspected to the unloading conveyor belt (3); and the detection assembly (7) is used to detect the center hole (91) of the hub body (90).

2. The device for detecting PCD holes and center holes of an aluminum alloy wheel hub according to claim 1, characterized in that: The detection turntable (1) comprises a table body (21), a drive motor (22), a wheel hub turntable (23) and three clamping cylinders (24); the clamping cylinders (24) are arranged in a ring array; the drive motor (22) is arranged in the table body (21); and the wheel hub turntable (23) is arranged at the output end of the drive motor (22).

3. The device for detecting PCD holes and center holes of an aluminum alloy wheel hub according to claim 2, characterized in that: A forming block (25) is also provided on the top of the wheel hub turntable (23), the forming block (25) is adapted to the wheel hub body (90), the forming block (25) and the wheel hub turntable (23) are detachably arranged by screws, and positioning holes (26) are provided on the wheel hub turntable (23) and the forming block (25), and a positioning pin (27) is provided in the positioning hole (26).

4. The device for detecting PCD holes and center holes of an aluminum alloy wheel hub according to claim 1, characterized in that: The Y-axis driving assembly (4) comprises a pair of elevated frames (8), each of which is provided with a slide rail (9), a slider (10) is slidably provided on the slide rail (9), a frame rod (11) is fixedly provided between the two sliders (10), the Z-axis driving assembly (5) is provided on the frame rod (11), a motor (12) and a bearing seat (13) are respectively provided at both ends of the slide rail (9), a lead screw (14) is provided at the output end of the motor (12), the lead screw (14) passes through the slider and is threadedly engaged with the slider, and the tail of the lead screw (14) is fixed to the bearing seat (13).

5. The device for detecting PCD holes and center holes of an aluminum alloy wheel hub according to claim 4, characterized in that: The Z-axis driving assembly (5) comprises a base plate (15), a slide groove (16) is provided on the base plate (15), a slider (17) is slidably arranged in the slide groove (16), a motor (18) is also arranged above the base plate (15), a lead screw (19) is arranged at the output end of the motor (18), the lead screw (19) passes through the slider (17), a bearing seat (20) is arranged at the bottom of the base plate (15), the tail of the lead screw (19) is connected to the bearing seat (20), and the material transport assembly (6) is arranged on the slider (17).

6. The device for detecting PCD holes and center holes of an aluminum alloy wheel hub according to claim 5, characterized in that: The material transport component (6) comprises a cylinder (28), a telescopic rod (29) is provided at the output end of the cylinder (28), a round frame (30) is fixedly provided on the telescopic rod (29), an articulated base (31) is also provided at the end of the cylinder (28), a plurality of articulated grooves (32) are provided on the round frame (30), a material lifting rod (33) is articulated in the articulated grooves (32), an articulated rocker arm (34) is provided between the material lifting rod (33) and the articulated base (31), one end of the articulated rocker arm (34) is articulated to the material lifting rod (33), and the other end is articulated to the articulated base (31).

7. The device for detecting PCD holes and center holes of an aluminum alloy wheel hub according to claim 6, characterized in that: The detection assembly (7) comprises a mounting ring (35), a detection ring (36), a bottom ring (37) and a plurality of detection heads (38); the detection heads (38) are arranged in an annular array at the side end of the mounting ring (35); a tolerance hole (39) is provided on the detection ring (36); the diameter of the tolerance hole (39) is smaller than the diameter of the mounting ring (35); the detection ring (36) is sleeved on the outside of the telescopic rod (29); the bottom ring (37) is fixed to the bottom of the mounting ring (35) and abuts against the detection ring (36); and a spring (40) is arranged in an annular array between the telescopic rod (29) and the detection ring (36).

8. The device for detecting PCD holes and center holes of an aluminum alloy wheel hub according to claim 7, characterized in that: The bottom ring (37) and the detection ring (36) are provided with an inclined guide surface (42); the side end of the cylinder (28) is also provided with a positioning rod (43); the bottom of the limit rod is provided with a positioning head; the positioning rod (43) is rotatably provided on the cylinder (28); the positioning head is clearance-matched with the PCD hole (92); and the diameter of the detection ring (36) is the same as that of the positioning head.

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