A wheel hub model identification and centering mechanism and method for X-ray detection

Abstract

The present invention relates to the field of measurement technology, and in particular to a hub model identification and centering mechanism and method for X-ray detection. The hub model identification and centering mechanism for X-ray detection comprises a supporting unit, a rotation driving unit, two clamping units, two mounting frames and two measuring light curtains; the clamping unit comprises a transmission component, two rotating components and two clamping wheels to place the hub between the two clamping units, and by controlling the rotation driving unit, the rotation driving unit causes four rotating components to rotate simultaneously under the transmission of the transmission component, and the four rotating components drive four clamping wheels to move, so that the four clamping wheels clamp the hub at the same time; the model and size of the hub are identified by two measuring light curtains and a camera; the present invention can keep the hub centered after clamping the hub to avoid skew and misalignment, so as to perform image recognition on the hub.

Description

Technical Field

[0001] The present invention relates to the field of measurement technology, and in particular to a hub model identification and centering mechanism and method for X-ray detection. Background Art

[0002] The automobile wheel hub is an important component of automobile parts. It is easy for the automobile wheel hub to be deformed during the production and processing process. At the very least, the tire cannot be installed, and at worst, a safety accident may occur. Therefore, the wheel hub needs to be inspected.

[0003] At present, X-ray wheel hub detection equipment is usually used to detect automobile wheels. The penetrating property of X-rays is used to perform penetrating detection and imaging on automobile wheels without damaging the detected object. Since the same X-ray wheel hub detection equipment needs to detect wheels of different models, styles and sizes, the image of the wheel to be detected needs to be automatically recognized before the wheel hub detection, and then the corresponding detection program is called. The wheel hub needs to be aligned during image recognition. The commonly used alignment mechanism is 2 or 4 groups of cylinders driving the clamping centering wheel to clamp the wheel hub for alignment. This mechanism has the problem of skewness and misalignment due to pneumatic asynchrony, and cannot guarantee that the wheel hub is aligned every time. Summary of the invention

[0004] The object of the present invention is to provide a hub model identification and centering mechanism and method for X-ray detection, which can keep the hub centered after clamping the hub to avoid skewness and misalignment, so as to perform image recognition on the hub.

[0005] To achieve the above-mentioned object, in a first aspect, the present invention provides a hub model identification and centering mechanism for X-ray detection, comprising a support unit, a rotation drive unit, two clamping units, two mounting frames and two measuring light curtains;

[0006] The rotation drive unit is arranged on the support unit; the two clamping units are located on both sides of the rotation drive unit, and the clamping unit includes a transmission component, two rotating components and two clamping wheels; the transmission component is arranged on the side of the rotation drive unit, the two rotating components are mirror-arranged on both sides of the transmission component, and the two clamping wheels are respectively arranged on the sides of the two rotating components; the two mounting frames are mirror-arranged on both sides of the support unit; the two measuring light curtains are respectively fixedly connected to the two mounting frames and are respectively located on the sides of the two mounting frames.

[0007] Among them, the supporting unit includes a shell, a clamping centering frame and a plurality of bases; the shell is fixedly connected to the two mounting frames and is located at the bottom of the two mounting frames; the clamping centering frame is fixedly connected to the bottom of the shell; the plurality of bases are respectively fixedly connected to the clamping centering frame and are respectively located at the bottom of the clamping centering frame.

[0008] Wherein, the support unit also includes a top sealing plate and two side sealing plates; the top sealing plate is fixedly connected to the shell and is located on the top of the shell; the two side sealing plates are respectively fixedly connected to the top sealing plate and are located on both sides of the top sealing plate.

[0009] Among them, the rotary drive unit includes a bracket, a pneumatic actuator, a first seat bearing, a drive shaft and a rotating arm; the bracket is fixedly connected to the bottom of the shell; the pneumatic actuator and the bracket are fixedly connected and located at the bottom of the bracket; the first seat bearing and the shell are fixedly connected and located on the inner side of the shell; the drive shaft is fixedly connected to the gear shaft of the pneumatic actuator, and is fixedly connected to the inner ring of the first seat bearing, and is located at the top of the pneumatic actuator; the rotating arm is fixedly connected to the top of the drive shaft.

[0010] Among them, the transmission component includes a slide rail, a slider and a driven arm; the slide rail is fixedly connected to the inner side of the shell; the slider is slidably connected to the slide rail and is located at the top of the slide rail; the driven arm is rotationally connected to the slide rail and is rotationally connected to the rotating arm, and is located between the slide rail and the rotating arm.

[0011] Among them, the rotating component includes a second belt seat bearing, a third belt seat bearing, a rotating shaft, a clamping arm, a connecting arm and a driving arm; the second belt seat bearing is fixedly connected to the top of the shell; the third belt seat bearing is fixedly connected to the bottom of the shell; the rotating shaft is fixedly connected to the inner ring of the second belt seat bearing, and is fixedly connected to the inner ring of the third belt seat bearing, and is located between the second belt seat bearing and the third belt seat bearing; the clamping arm is fixedly connected to the rotating shaft, and is rotationally connected to the clamping wheel, and is located between the rotating shaft and the clamping wheel; the connecting arm is rotationally connected to the slider, and is located on the side of the slider; the driving arm is rotationally connected to the connecting arm, and is fixedly connected to the rotating shaft, and is located between the connecting arm and the rotating shaft.

[0012] In a second aspect, the present invention further provides a hub model identification and centering method for X-ray detection, comprising:

[0013] Place the wheel hub between the two clamping units;

[0014] Control the rotary drive unit to drive the four transmission components and the four clamping wheels through the four transmission components at the same time, so that the four clamping wheels clamp the wheel hub;

[0015] The wheel model and size are detected using two measuring light curtains and a camera.

[0016] The present invention discloses a wheel hub model identification and centering mechanism and method for X-ray detection. When in use, the wheel hub is placed between the two clamping units. By controlling the rotation drive unit, the rotation drive unit causes the four rotating parts to rotate simultaneously under the transmission of the transmission component. The four rotating parts drive the four clamping wheels to move, so that the four clamping wheels clamp the wheel hub at the same time. Then, the size of the wheel hub is detected by two measuring light curtains. The wheel hub is image-recognized by setting a camera on the top of the identification and centering mechanism, thereby identifying the model and size of the wheel hub, so that the corresponding detection program can be called up when the wheel hub is subsequently detected. The present invention can keep the wheel hub centered after clamping it, avoiding skew and misalignment, so as to perform image recognition on the wheel hub. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0018] Figure 1 It is a schematic diagram of the overall structure of a hub model identification and centering mechanism for X-ray detection according to the present invention.

[0019] Figure 2 It is a structural schematic diagram of another perspective of the overall wheel hub model recognition and centering mechanism for X-ray detection of the present invention.

[0020] Figure 3 It is an overall cross-sectional view of a hub model identification and centering mechanism for X-ray detection according to the present invention.

[0021] Figure 4 It is a structural schematic diagram of a mounting frame, a rotation drive unit and two clamping units of a wheel hub model recognition and centering mechanism for X-ray detection of the present invention.

[0022] Figure 5 It is a structural schematic diagram from another perspective of a mounting frame, a rotation drive unit and two clamping units of a wheel hub model recognition and centering mechanism for X-ray detection of the present invention.

[0023] Figure 6 It is a structural schematic diagram from another perspective of a mounting frame, a rotation drive unit and two clamping units of a wheel hub model recognition and centering mechanism for X-ray detection of the present invention.

[0024] Figure 7 The present invention is a flow chart of a hub model identification and centering method for X-ray detection.

[0025] 101-support unit, 102-rotation drive unit, 103-clamping unit, 104-mounting frame, 105-measuring light curtain, 106-transmission component, 107-rotating component, 108-clamping wheel, 109-housing, 110-clamping centering frame, 111-base, 112-top sealing plate, 113-side sealing plate, 114-bracket, 115-pneumatic actuator, 116-first seat bearing, 117-drive shaft, 118-rotating arm, 119-slide rail, 120-slider, 121-driven arm, 122-second seat bearing, 123-third seat bearing, 124-rotating shaft, 125-clamping arm, 126-connecting arm, 127-drive arm. DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0027] First, see Figure 1-Figure 6 The present invention provides a hub model identification and centering mechanism for X-ray detection, comprising a support unit 101, a rotation drive unit 102, two clamping units 103, two mounting frames 104 and two measuring light curtains 105; the clamping unit 103 comprises a transmission component 106, two rotating components 107 and two clamping wheels 108; the support unit 101 comprises a shell 109, a clamping and centering frame 110, a plurality of bases 111, a top sealing plate 112 and two side sealing plates 113; the rotation drive unit 102 comprises The bracket 114, the pneumatic actuator 115, the first seat bearing 116, the drive shaft 117 and the rotating arm 118; the transmission component 106 includes a slide rail 119, a slider 120 and a driven arm 121; the rotating component 107 includes a second seat bearing 122, a third seat bearing 123, a rotating shaft 124, a clamping arm 125, a connecting arm 126 and a driving arm 127; through the above scheme, the wheel hub can be kept centered after clamping to avoid skewness and misalignment, so as to perform image recognition on the wheel hub.

[0028] According to this specific embodiment, the rotation drive unit 102 is arranged on the support unit 101; the two clamping units 103 are located on both sides of the rotation drive unit 102, and the clamping unit 103 includes a transmission component 106, two rotating components 107 and two clamping wheels 108; the transmission component 106 is arranged on the side of the rotation drive unit 102, the two rotating components 107 are mirror-arranged on both sides of the transmission component 106, and the two clamping wheels 108 are respectively arranged on the sides of the two rotating components 107; the two mounting frames 104 are mirror-arranged on both sides of the support unit 101; the two measuring light curtains 105 are respectively fixedly connected to the two mounting frames 104, and are respectively located on the sides of the two mounting frames 104. When in use, the wheel hub is placed between the two clamping units 103, and the rotation driving unit 102 is controlled. The rotation driving unit 102 causes the four rotating parts 107 to rotate simultaneously under the transmission of the transmission part 106, and the four rotating parts 107 drive the four clamping wheels 108 to move, so that the four clamping wheels 108 clamp the wheel hub at the same time; then the size of the wheel hub is detected by two measuring light curtains 105, and the wheel hub is image-recognized by setting a camera on the top of the recognition and centering mechanism, so as to identify the model and size of the wheel hub, so as to call the corresponding detection program when the wheel hub is detected later. The present invention can keep the wheel hub centered after clamping it, avoiding skew and misalignment, so as to perform image recognition on the wheel hub.

[0029] The housing 109 is fixedly connected to the two mounting frames 104 and is located at the bottom of the two mounting frames 104; the clamping centering frame 110 is fixedly connected to the bottom of the housing 109; and the plurality of bases 111 are respectively fixedly connected to the clamping centering frame 110 and are respectively located at the bottom of the clamping centering frame 110. The housing 109 is used to support the rotation drive unit 102, the clamping unit 103 and the two mounting frames 104, and the clamping centering frame 110 and the base 111 are used to support the housing 109.

[0030] Secondly, the top sealing plate 112 is fixedly connected to the housing 109 and is located at the top of the housing 109; the two side sealing plates 113 are respectively fixedly connected to the top sealing plate 112 and are located on both sides of the top sealing plate 112. The top sealing plate 112 and the side sealing plates 113 are used to seal the housing 109 to prevent the transmission component 106 and the rotating component 107 in the housing 109 from being damaged.

[0031] Meanwhile, the bracket 114 is fixedly connected to the bottom of the housing 109; the pneumatic actuator 115 is fixedly connected to the bracket 114 and is located at the bottom of the bracket 114; the first seat bearing 116 is fixedly connected to the housing 109 and is located inside the housing 109; the drive shaft 117 is fixedly connected to the gear shaft of the pneumatic actuator 115, and is fixedly connected to the inner ring of the first seat bearing 116 and is located at the top of the pneumatic actuator 115; the rotating arm 118 is fixedly connected to the top of the drive shaft 117. The pneumatic actuator 115 is connected to the gas source, and the gas enters the pneumatic actuator 115 to drive the drive shaft 117 to rotate, and the drive shaft 117 drives the rotating arm 118 to rotate, and the rotating arm 118 drives the rotating component 107 and the clamping wheel 108 to move through the transmission component 106. The first seat bearing 116 can keep the drive shaft 117 stable when rotating.

[0032] In addition, the slide rail 119 is fixedly connected to the inner side of the housing 109; the slider 120 is slidably connected to the slide rail 119 and is located at the top of the slide rail 119; the driven arm 121 is rotatably connected to the slide rail 120 and is rotatably connected to the rotating arm 118 and is located between the slide rail 120 and the rotating arm 118. The slide rail 119 provides a guide for the slide rail 120, and when the rotating arm 118 rotates, the rotating arm 118 drives the rotating component 107 to rotate via the driven arm 121 and the slider 120.

[0033] Finally, the second seat bearing 122 is fixedly connected to the top of the shell 109; the third seat bearing 123 is fixedly connected to the bottom of the shell 109; the rotating shaft 124 is fixedly connected to the inner ring of the second seat bearing 122, and is fixedly connected to the inner ring of the third seat bearing 123, and is located between the second seat bearing 122 and the third seat bearing 123; the clamping arm 125 is fixedly connected to the rotating shaft 124, and is rotationally connected to the clamping wheel 108, and is located between the rotating shaft 124 and the clamping wheel 108; the connecting arm 126 is rotationally connected to the slider 120, and is located on the side of the slider 120; the driving arm 127 is rotationally connected to the connecting arm 126, and is fixedly connected to the rotating shaft 124, and is located between the connecting arm 126 and the rotating shaft 124. When the rotating arm 118 rotates, the rotating arm 118 drives the connecting arm 126 to rotate via the driven arm 121 and the slider 120, the connecting arm 126 rotates the rotating shaft 124 via the driving arm 127, and the rotating shaft 124 drives the clamping wheel 108 to rotate via the clamping arm 125; the second seat bearing 122 and the third seat bearing 123 can keep the rotating shaft 124 stable during rotation.

[0034] When using the wheel hub model identification and centering mechanism for X-ray detection of the present invention, the wheel hub is placed on the top of the housing 109 and is located between the four clamping wheels 108. The pneumatic actuator 115 is connected to the gas source. The gas enters the pneumatic actuator 115 to drive the drive shaft 117 to rotate. The drive shaft 117 drives the rotating arm 118 to rotate. The rotating arm 118 drives the four connecting arms 126 through the two driven arms 121 and the two sliders 120 at the same time. The connecting arm 126 rotates the rotating shaft 124 through the driving arm 127, and the rotating shaft 124 drives the clamping wheel 108 to rotate through the clamping arm 125, so that the four clamping wheels 108 can act simultaneously to clamp the wheel hub; then the size of the wheel hub is detected by two measuring light curtains 105, and the wheel hub is image-recognized by setting a camera on the top of the recognition and centering mechanism, so as to identify the model and size of the wheel hub, so as to call the corresponding detection program when the wheel hub is detected later. Through the wheel hub clamping method of the present invention, the wheel hub can be kept centered after clamping, avoiding skew and misalignment, so as to perform image recognition on the wheel hub.

[0035] Second, see Figure 7 The present invention also provides a hub model identification and centering method for X-ray detection, comprising:

[0036] S1 places the wheel hub between two clamping units 103;

[0037] S2 controls the rotation driving unit 102 to drive the four transmission components 106 and the four clamping wheels 108 to move through the four transmission components 106, so that the four clamping wheels 108 clamp the wheel hub;

[0038] The S3 recognizes the model and size of the wheel hub via two measuring light curtains 105 and a camera.

[0039] The present invention provides a wheel hub model identification and centering method for X-ray detection, wherein the wheel hub is placed between the two clamping units 103, and the rotation drive unit 102 is controlled, and the rotation drive unit 102 causes the four rotating parts 107 to rotate simultaneously under the transmission of the transmission part 106, and the four rotating parts 107 drive the four clamping wheels 108 to move, so that the four clamping wheels 108 clamp the wheel hub at the same time; then the size of the wheel hub is detected by two measuring light curtains 105, and the wheel hub is image-recognized by setting a camera on the top of the identification and centering mechanism, thereby identifying the model and size of the wheel hub, so that the corresponding detection program can be called up when the wheel hub is detected later. The present invention can keep the wheel hub centered after clamping it, avoiding skew and misalignment, so as to perform image recognition on the wheel hub.

[0040] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A wheel hub model identification and centering mechanism for X-ray detection, characterized in that: It includes a support unit, a rotation drive unit, two clamping units, two mounting frames and two measuring light curtains; The rotation drive unit is arranged on the support unit; the two clamping units are located on both sides of the rotation drive unit, and the clamping unit includes a transmission component, two rotating components and two clamping wheels; the transmission component is arranged on the side of the rotation drive unit, the two rotating components are mirror-imaged on both sides of the transmission component, and the two clamping wheels are respectively arranged on the sides of the two rotating components; the two mounting frames are mirror-imaged on both sides of the support unit; the two measuring light curtains are respectively fixedly connected to the two mounting frames and are respectively located on the sides of the two mounting frames; The supporting unit comprises a shell, a clamping centering frame and a plurality of bases; the transmission component comprises a slide rail, a slider and a driven arm; the rotating component comprises a second seat bearing, a third seat bearing, a rotating shaft, a clamping arm, a connecting arm and a driving arm; the second seat bearing is fixedly connected to the top of the shell; the third seat bearing is fixedly connected to the bottom of the shell; the rotating shaft is fixedly connected to the inner ring of the second seat bearing, and is fixedly connected to the inner ring of the third seat bearing, and is located between the second seat bearing and the third seat bearing; the clamping arm is fixedly connected to the rotating shaft, and is rotationally connected to the clamping wheel, and is located between the rotating shaft and the clamping wheel; the connecting arm is rotationally connected to the slider, and is located on the side of the slider; the driving arm is rotationally connected to the connecting arm, and is fixedly connected to the rotating shaft, and is located between the connecting arm and the rotating shaft.

2. A wheel hub model identification and centering mechanism for X-ray detection as claimed in claim 1, characterized in that: The shell is fixedly connected to the two mounting frames and is located at the bottom of the two mounting frames; the clamping centering frame is fixedly connected to the bottom of the shell; and the plurality of bases are respectively fixedly connected to the clamping centering frames and are respectively located at the bottom of the clamping centering frames.

3. A wheel hub model identification and centering mechanism for X-ray detection as claimed in claim 2, characterized in that: The support unit also includes a top sealing plate and two side sealing plates; the top sealing plate is fixedly connected to the shell and is located on the top of the shell; the two side sealing plates are respectively fixedly connected to the top sealing plate and are located on both sides of the top sealing plate.

4. A wheel hub model identification and centering mechanism for X-ray detection as claimed in claim 3, characterized in that: The rotary drive unit includes a bracket, a pneumatic actuator, a first seat bearing, a drive shaft and a rotating arm; the bracket is fixedly connected to the bottom of the shell; the pneumatic actuator and the bracket are fixedly connected and located at the bottom of the bracket; the first seat bearing and the shell are fixedly connected and located on the inner side of the shell; the drive shaft is fixedly connected to the gear shaft of the pneumatic actuator, and is fixedly connected to the inner ring of the first seat bearing and located at the top of the pneumatic actuator; the rotating arm is fixedly connected to the top of the drive shaft.

5. A wheel hub model identification and centering mechanism for X-ray detection as claimed in claim 4, characterized in that: The slide rail is fixedly connected to the inner side of the shell; the slider is slidably connected to the slide rail and is located at the top of the slide rail; the driven arm is rotationally connected to the slider and is rotationally connected to the rotating arm and is located between the slider and the rotating arm.

6. A wheel hub model identification and centering method for X-ray detection, applied to a wheel hub model identification and centering mechanism for X-ray detection as claimed in any one of claims 1 to 5, characterized in that: include: Place the wheel hub between the two clamping units; Control the rotary drive unit to drive the four transmission components and the four clamping wheels through the four transmission components at the same time, so that the four clamping wheels clamp the wheel hub; The wheel model and size are detected using two measuring light curtains and a camera.

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