CN219978154U - Visual inspection rotating assembly - Google Patents
Visual inspection rotating assembly Download PDFInfo
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- CN219978154U CN219978154U CN202321014078.XU CN202321014078U CN219978154U CN 219978154 U CN219978154 U CN 219978154U CN 202321014078 U CN202321014078 U CN 202321014078U CN 219978154 U CN219978154 U CN 219978154U
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- 238000011179 visual inspection Methods 0.000 title claims description 20
- 238000001514 detection method Methods 0.000 claims abstract description 70
- 230000001360 synchronised effect Effects 0.000 claims abstract description 46
- 230000000007 visual effect Effects 0.000 claims abstract description 25
- 239000003638 chemical reducing agent Substances 0.000 claims description 18
- 230000006698 induction Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
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- 238000000034 method Methods 0.000 abstract description 20
- 238000009434 installation Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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Abstract
The utility model relates to the technical field of visual detection, in particular to a visual detection rotating assembly. The assembly comprises an assembly main body, wherein the assembly main body comprises a mounting body; the mounting body is provided with a plurality of driving motors, and visual detection stations are formed at the output ends of the driving motors; the plurality of driving motors are controlled by the same controller, and the controller is used for realizing synchronous control and independent control of the plurality of driving motors; the synchronous control is used for realizing synchronous rotation of all products to be detected arranged at each visual detection station, and the independent control is used for realizing zero point reset of each driving motor. The independent control of the controller can better output an independent control signal aiming at each driving motor to control the driving motor to move to a unified zero point, so that the condition of zero point offset caused by synchronous control can be effectively avoided, and the stable running of the detection process of the next batch of products to be detected is ensured.
Description
Technical Field
The utility model relates to the technical field of visual detection, in particular to a visual detection rotating assembly.
Background
After the industrial products are produced, appearance detection is needed to be carried out to screen and eliminate defective products with defects in appearance.
Since most products are more defective in appearance and are located at different positions (such as side edges, edges or intersections between surfaces), when detecting appearance defects, it is generally necessary to rotate in real time to adjust the position and posture of the product to be detected so as to detect defects at different positions. In addition, in order to improve detection efficiency, a detection mode of multi-station synchronization is mostly adopted in the prior art, so that high-efficiency synchronous detection in batches can be realized.
In order to realize synchronous rotation detection of products to be detected at a plurality of stations in the prior art, a plurality of motors are generally adopted to respectively drive the products to be detected at each station to rotate. However, due to the manufacturing errors of the driving motor, the angle deviation in the running process cannot be avoided; after each detection is finished, each motor needs to be subjected to zero point resetting, namely resetting to an initial position; because the deviation exists, the driving motors at the stations cannot be directly controlled to accurately reset to the zero point through the same pulse signal, so that the zero point offset among different stations exists in each resetting process in the detection mode in the prior art, and the synchronization accuracy among different stations in the subsequent detection process can be directly influenced; and further adversely affects the stable progress of the synchronous detection process.
Disclosure of Invention
The present utility model provides a visual inspection swivel assembly that overcomes some or all of the shortcomings of the prior art.
A visual inspection rotary assembly according to the present utility model includes an assembly body including a mounting body; the mounting body is provided with a plurality of driving motors, and visual detection stations are formed at the output ends of the driving motors; the plurality of driving motors are controlled by the same controller, and the controller is used for realizing synchronous control and independent control of the plurality of driving motors; the synchronous control is used for realizing synchronous rotation of all products to be detected arranged at each visual detection station, and the independent control is used for realizing zero point reset of each driving motor.
Specifically, in the detection process, firstly, a detection personnel respectively loads and places products to be detected at each visual detection station; and then, outputting a synchronous control signal to each driving motor through the controller, and synchronously rotating each driving motor under the drive of the synchronous control signal, wherein the products to be detected at each visual detection station in the synchronous rotation process also realize the appearance detection of different parts through rotation.
After synchronous detection of one batch of products to be detected is completed, because the angle setting in the detection control program starts from the zero point and sequentially detects different detection positions through rotation, each driving motor needs to perform zero point reset so as to be convenient for detection of the next batch of products to be detected. Because of manufacturing errors of the driving motors and angular deviation in the rotation process of the driving motors, if the same signal is directly output to each driving motor through synchronous control to perform zero point reset, zero point offset, namely non-uniform zero point positions, among different driving motors may occur.
At this time, the independent control of the controller in the utility model can preferably output an independent control signal for each driving motor to control the driving motor to move to a unified zero point position, thereby effectively avoiding the zero point offset condition which occurs only through synchronous control and further ensuring the stable proceeding of the detection process of the next batch of products to be detected.
Preferably, the zero point detection assembly is arranged at any driving motor, the zero point detection assembly comprises an indication part arranged at a motor shaft of the driving motor and a photoelectric sensor used for being matched with the indication part in a distinguishing mode, an induction area is formed at the photoelectric sensor, and a mechanical zero point is formed at the induction area.
It will be appreciated that during the resetting process, a mechanical zero point of a determined position can be formed by the identification cooperation between the photoelectric sensor and the indication part, and when a certain driving motor rotates under synchronous control, the photoelectric sensor at the driving motor does not identify the indication part, a signal is required to be independently output to the driving motor to control the resetting to the mechanical zero point.
Specifically, in the resetting process, if a mechanical zero point of a certain position is not set, zero point positions among all driving motors are difficult to unify, and if deviation occurs in initial zero point positions among all driving motors, synchronous rotation in the subsequent detection process is difficult to ensure enough synchronization degree. Therefore, the mechanical zero point formed by the photoelectric sensor and the indicating part can preferably ensure that the zero points among the plurality of driving motors are unified, so that the subsequent synchronous rotation detection process is ensured to be smoothly and stably carried out.
Preferably, the indication part comprises a light shielding plate coaxially installed at a motor shaft of the driving motor, the light shielding plate can synchronously rotate along with the motor shaft, and a rotating path of the light shielding plate passes through the sensing area.
Specifically, when the light shielding plate rotates to the sensing area and is identified in the process of rotating along with the motor shaft, the photoelectric sensor outputs signals to the independent control, and the independent control independently outputs signals to the driving motor corresponding to the motor shaft to stop, so that the driving motor is accurately reset to a mechanical zero point.
Preferably, the independent control is used for independently outputting a reset signal to the driving motor of the sensing area, wherein the indication part is not sensed, and the reset signal is used for controlling the driving motor to rotate to a mechanical zero point so as to realize zero point reset.
Specifically, when the light shielding plate matched with the sensing area of the photoelectric sensor is not recognized at the sensing area of the photoelectric sensor, the independent control independently outputs a reset signal to the driving motor to continue rotating until the mechanical zero point is recognized.
In general, synchronous rotation control among all driving motors can be preferably realized through synchronous control of the controller, so that synchronous rotation detection can be carried out on products to be detected at a plurality of visual detection stations; accurate resetting of each driving motor can be preferably realized through independent control of the controller and mechanical zero point of the determined position, so that the condition that the subsequent synchronous detection is influenced due to zero point offset is effectively avoided.
Preferably, the plurality of driving motors are hollow stepping motors, the controller comprises a frequency converter, a motor shaft of each driving motor is axially provided with a through passage, and one side end part of a motor shaft far output end is connected with a pneumatic rotary joint for accessing an external gas circuit.
Specifically, the motor shaft of the driving motor is of a hollow structure, and the through passage of the motor shaft along the axial direction can be connected into an external gas circuit in a preferable mode by matching with the pneumatic rotary joint, so that the follow-up vacuum detection and vacuum breaking can be facilitated, and the adsorption and release of products to be detected at the visual detection station can be realized.
Preferably, the installation body comprises a U-shaped installation plate, an installation shell is connected between two ends of the installation plate in the length direction, a plurality of driving motors are arranged in the installation shell at intervals in parallel, and the output end of a motor shaft of each driving motor extends out of the installation shell to form a visual detection station.
Specifically, the mounting plate can be used for installing whole subassembly main part to corresponding visual detection equipment department, for example installs to corresponding visual detection camera below, after the installation, through synchronous control output unified signal in order to realize each driving motor and wait to examine the synchronous rotation of product, visual detection camera just can detect the each position that easily appears appearance defect on waiting to examine the product in proper order in the rotatory in-process of waiting examining the product this moment.
Preferably, the motor assembly plate is formed at the mounting housing along the length direction of the mounting plate, and the plurality of driving motors are mounted at the motor assembly plate along the length direction of the mounting plate at parallel intervals.
It will be appreciated that a plurality of drive motors can be preferably mounted and secured by the motor mounting plate.
Preferably, the two ends of the mounting shell along the length direction of the mounting plate are respectively provided with a U-shaped movable plate, and the movable plates at the two ends are movably connected to the mounting plate and can rotate around the length direction of the mounting plate.
Specifically, through rotatable fly leaf can make the gesture adjustment that is located the product that waits to examine of vision detection station department more nimble, not only can rotate in a direction along with aforementioned driving motor, can also rotate along with the fly leaf in another direction to can make the adjustment more nimble, and then can acquire more detection angles in order to detect more difficult position (such as turning, medial edge etc.) that detects.
Preferably, a speed reducer and a servo motor which is connected with the speed reducer and used for supplying power are arranged at the movable plate at one end, and the output end of the speed reducer is connected with the movable plate and drives the movable plate to rotate.
It will be appreciated that the output torque of the servo motor can be preferably increased by the speed reducer, so that the smaller torque servo motor can also meet the rotation requirement of the whole assembly body.
Preferably, a flat key is formed at the output end of the speed reducer, and the flat key is used for realizing power transmission between the speed reducer and the movable plate.
Drawings
FIG. 1 is a schematic view of the structure of a main body of the assembly in embodiment 1;
FIG. 2 is another schematic view of the assembly body of FIG. 1;
fig. 3 is a schematic diagram of the structure of the drive motor and the zero point detection assembly in embodiment 1;
fig. 4 is a schematic diagram of the structure of the servo motor and the speed reducer in embodiment 1.
Detailed Description
For a further understanding of the present utility model, the present utility model will be described in detail with reference to examples. It is to be understood that the examples are illustrative of the present utility model and are not intended to be limiting.
Example 1
Referring to fig. 1 to 4, the present embodiment provides a visual inspection rotary assembly, which includes an assembly body 100, the assembly body 100 including a mounting body 110; the mounting body 110 is provided with a plurality of driving motors 120, and visual detection stations are formed at the output ends of the driving motors 120; the plurality of driving motors 120 are controlled by the same controller, and the controller is used for realizing synchronous control and independent control of the plurality of driving motors 120; the synchronous control is used for realizing synchronous rotation of all products to be inspected at each visual inspection station, and the independent control is used for realizing zero point reset of each driving motor 120.
Specifically, in the detection process, firstly, a detection personnel respectively loads and places products to be detected at each visual detection station; and then, a synchronous control signal is output to each driving motor 120 through the controller, each driving motor 120 is driven by the synchronous control signal to realize synchronous rotation, and the products to be detected at each visual detection station in the synchronous rotation process are also rotated to realize appearance detection of different positions.
After the synchronous detection of a batch of products to be detected is completed, because the angle setting in the detection control program starts from the zero point and sequentially detects different detection positions through rotation, each driving motor 120 needs to perform zero point reset so as to facilitate the detection of the next batch of products to be detected. Because of manufacturing errors of the driving motors 120 themselves and angular deviations during rotation of the driving motors 120, if the same signal is directly output to each driving motor 120 to perform zero point reset through synchronous control, there may be a case in which zero point offset, that is, zero point positions are not uniform, between different driving motors 120.
Then, in this embodiment, the independent control of the controller can preferably output an independent control signal for each driving motor 120 to control the driving motor to move to a unified zero point, so that the situation of zero point offset caused by synchronous control alone can be effectively avoided, and further stable performance of the detection process of the next batch of products to be detected is ensured.
In this embodiment, a zero point detection assembly 130 is disposed at any driving motor 120, where the zero point detection assembly 130 includes an indication portion disposed at a motor shaft 121 of the driving motor 120 and a photoelectric sensor 131 that is used for being matched with the indication portion in a recognition manner, and an induction area is formed at the photoelectric sensor 131, and a mechanical zero point is formed at the induction area.
It will be appreciated that during the resetting process, a mechanical zero point of a certain position can be formed by the identification cooperation between the photoelectric sensor 131 and the indication part, and when a certain driving motor 120 rotates under synchronous control, the photoelectric sensor 131 at the driving motor 120 does not identify the indication part, a signal is required to be independently output to the driving motor 120 to control the resetting to the mechanical zero point.
Specifically, if a mechanical zero point of a certain position is not set during the resetting, the zero point positions between the respective driving motors 120 are hardly unified, and if a deviation occurs in the initial zero point position between the respective driving motors 120 each time, it is also difficult to secure a sufficient degree of synchronization in the subsequent synchronous rotation during each detection. Therefore, the mechanical zero point formed by the photoelectric sensor 131 and the indication portion in the present embodiment can preferably ensure that zero points among the plurality of driving motors 120 are unified, thereby ensuring smooth and stable progress of the subsequent synchronous rotation detection process.
Further, the indication part in this embodiment includes a light shielding plate 122 coaxially installed at the motor shaft 121 of the driving motor 120, the light shielding plate 122 can rotate synchronously with the motor shaft 121, and the rotation path of the light shielding plate 122 passes through the sensing area.
Specifically, when the light shielding plate 122 rotates to the sensing area and is identified during rotation of the motor shaft 121, the photoelectric sensor 131 outputs a signal to the independent control, and the independent control independently outputs a signal to the driving motor 120 corresponding to the motor shaft 121 to stop, thereby realizing accurate reset of the driving motor 120 to the mechanical zero point.
In this embodiment, the independent control is configured to separately output a reset signal to the driving motor 120 at the sensing area where the indication portion is not sensed, where the reset signal is used to control the driving motor 120 to rotate to a mechanical zero point to implement zero point reset.
Specifically, when the light shielding plate 122 that is in recognition engagement with the photoelectric sensor 131 is not recognized at the sensing region, the independent control individually outputs a reset signal to the driving motor 120 to continue rotation until the mechanical zero point is recognized.
In general, synchronous rotation control between the driving motors 120 can be preferably realized through synchronous control of the controller, so that synchronous rotation detection can be performed on products to be detected at a plurality of visual detection stations; accurate resetting of each drive motor 120 can be preferably achieved through independent control of the controller and mechanical zero point determination of the position, so that the situation that zero point offset affects subsequent synchronous detection is effectively avoided.
Specifically, the plurality of driving motors 120 are hollow stepping motors, the controller includes a frequency converter, a motor shaft 121 of the driving motor 120 is formed with a through passage along an axial direction thereof, and one side end of a distal output end of the motor shaft 121 is connected with a pneumatic rotary joint 310 for accessing an external air path.
Specifically, the motor shaft 121 of the driving motor 120 in this embodiment is of a hollow structure, and the through passage of the motor shaft 121 along the axial direction can be preferably matched with a pneumatic rotary joint to be connected to an external air passage, so that the subsequent vacuum absorption and release of the product to be detected at the visual detection station can be conveniently realized through vacuum and vacuum breaking.
In this embodiment, the mounting body 110 includes a U-shaped mounting plate 111, a mounting housing 112 is connected between two ends of the mounting plate 111 in the length direction, multiple driving motors 120 are arranged in the mounting housing 112 at intervals in parallel, and an output end of a motor shaft 121 of each driving motor 120 extends out of the mounting housing 112 to form a visual detection station.
Specifically, the mounting plate 111 can be used for mounting the whole assembly main body 100 to a corresponding visual inspection device, for example, under a corresponding visual inspection camera, after the assembly, the visual inspection camera can sequentially detect each portion of the product to be inspected, where appearance defects easily occur, during the rotation of the product to be inspected by synchronously controlling and outputting a unified signal to realize synchronous rotation of each driving motor 120 and the product to be inspected.
Further, a motor mounting plate 113 is formed at the mounting housing 112 along the length direction of the mounting plate 111, and a plurality of driving motors 120 are mounted at the motor mounting plate 113 in parallel at intervals along the length direction of the mounting plate 111.
It is understood that the plurality of driving motors 120 can be preferably mounted and fixed by the motor mounting plate 113.
In this embodiment, the two ends of the mounting housing 112 along the length direction of the mounting plate 111 are formed with U-shaped movable plates 114, and the movable plates 114 at the two ends are movably connected to the mounting plate 111 and can rotate around the length direction of the mounting plate 111.
Specifically, the rotatable movable plate 114 can enable the posture adjustment of the product to be detected at the visual detection station to be more flexible, and not only can rotate along with the driving motor 120 in one direction, but also can rotate along with the movable plate 114 in the other direction, so that the adjustment is more flexible, and further more detection angles can be obtained to detect more difficult-to-detect positions (such as corners, inner sides and the like).
A speed reducer 220 and a servo motor 210 which is connected with the speed reducer 220 and is used for supplying power are arranged at the movable plate 114 at one end, and the output end of the speed reducer 220 is connected with the movable plate 114 and drives the movable plate 114 to rotate.
It can be appreciated that the output torque of the servo motor 210 can be preferably increased by the speed reducer 220, so that the servo motor 210 with smaller torque can also meet the rotation requirement of the whole assembly body 100.
A flat key 410 is formed at an output end of the speed reducer 220, and the flat key 410 is used to achieve power transmission between the speed reducer 220 and the movable plate 114.
It is to be understood that, based on one or several embodiments provided in the present utility model, those skilled in the art may combine, split, reorganize, etc. the embodiments of the present utility model to obtain other embodiments, which do not exceed the protection scope of the present utility model.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the examples are merely illustrative of embodiments of the utility model and the actual construction is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (10)
1. A visual inspection swivel assembly, characterized by; comprises an assembly main body (100), wherein the assembly main body (100) comprises a mounting body (110); a plurality of driving motors (120) are arranged at the mounting body (110), and visual detection stations are formed at the output ends of the driving motors (120); the plurality of driving motors (120) are controlled by the same controller, and the controller is used for realizing synchronous control and independent control of the plurality of driving motors (120); the synchronous control is used for realizing synchronous rotation of all products to be detected arranged at each visual detection station, and the independent control is used for realizing zero point reset of each driving motor (120).
2. The visual inspection rotating assembly according to claim 1, wherein a zero point detection assembly (130) is arranged at any driving motor (120), the zero point detection assembly (130) comprises an indication part arranged at a motor shaft (121) of the driving motor (120) and a photoelectric sensor (131) for being in identification fit with the indication part, an induction area is formed at the photoelectric sensor (131), and a mechanical zero point is formed at the induction area.
3. A visual inspection rotary assembly according to claim 2, characterized in that the indicator comprises a shutter (122) coaxially mounted at the motor shaft (121) of the drive motor (120), the shutter (122) being rotatable synchronously with the motor shaft (121), the path of rotation of the shutter (122) passing through the sensing area.
4. A visual inspection rotary assembly according to claim 3, wherein the independent control is configured to individually output a reset signal to the drive motor (120) at the sensing region where no indication is sensed, the reset signal being configured to control the rotation of the drive motor (120) to a mechanical zero point to effect zero point reset.
5. The visual inspection rotating assembly according to claim 1, wherein the plurality of driving motors (120) are hollow stepping motors, the controller comprises a frequency converter, a motor shaft (121) of the driving motor (120) is formed with a through passage along the axial direction of the motor shaft, and one side end part of a far output end of the motor shaft (121) is connected with a pneumatic rotary joint (310) for being connected with an external air passage.
6. The visual inspection rotating assembly according to claim 5, wherein the mounting body (110) comprises a mounting plate (111) in a U shape, a mounting housing (112) is connected between two ends of the mounting plate (111) in the length direction, a plurality of driving motors (120) are arranged in the mounting housing (112) at intervals in parallel, and an output end of a motor shaft (121) of each driving motor (120) extends out of the mounting housing (112) and forms a visual inspection station.
7. The visual inspection rotary assembly according to claim 6, wherein the motor mounting plate (113) is formed at the mounting housing (112) along the length direction of the mounting plate (111), and the plurality of driving motors (120) are mounted at the motor mounting plate (113) at parallel intervals along the length direction of the mounting plate (111).
8. The visual inspection rotating assembly according to any one of claims 6 or 7, wherein the mounting housing (112) is formed with a U-shaped movable plate (114) at both ends along the length direction of the mounting plate (111), and the movable plates (114) at both ends are movably connected to the mounting plate (111) and rotatable around the length direction of the mounting plate (111).
9. The visual inspection rotating assembly according to claim 8, wherein a speed reducer (220) and a servo motor (210) connected with the speed reducer (220) and used for supplying power are arranged at the movable plate (114) at one end, and an output end of the speed reducer (220) is connected with the movable plate (114) and drives the movable plate (114) to rotate.
10. The visual inspection rotary assembly of claim 9, wherein a flat key (410) is formed at an output end of the speed reducer (220), the flat key (410) being used to achieve power transmission between the speed reducer (220) and the movable plate (114).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014078.XU CN219978154U (en) | 2023-04-28 | 2023-04-28 | Visual inspection rotating assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321014078.XU CN219978154U (en) | 2023-04-28 | 2023-04-28 | Visual inspection rotating assembly |
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| CN219978154U true CN219978154U (en) | 2023-11-07 |
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| CN202321014078.XU Active CN219978154U (en) | 2023-04-28 | 2023-04-28 | Visual inspection rotating assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117484177A (en) * | 2023-12-29 | 2024-02-02 | 歌尔股份有限公司 | Assembling equipment and control method thereof |
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2023
- 2023-04-28 CN CN202321014078.XU patent/CN219978154U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117484177A (en) * | 2023-12-29 | 2024-02-02 | 歌尔股份有限公司 | Assembling equipment and control method thereof |
| CN117484177B (en) * | 2023-12-29 | 2024-04-09 | 歌尔股份有限公司 | Assembling equipment and control method thereof |
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