CN-114322800-B - Multi-workpiece continuous detection device based on image recognition

CN114322800BCN 114322800 BCN114322800 BCN 114322800BCN-114322800-B

Abstract

The invention relates to the technical field of workpiece production quality inspection, and provides a multi-workpiece continuous detection device based on image recognition, which is provided with a clamping module, a rotary driving module and an image acquisition module which are in communication connection with a main control module, an automatic image acquisition mechanism is established, the power of the rotary driving module is utilized to drive the image acquisition module to rotate in the axial direction, the workpiece to be detected fixed on the clamping piece is subjected to image acquisition by sequentially staying on the staying stations at different positions, and stable continuous image acquisition of multiple workpieces is realized by keeping the image acquisition positions of the workpiece to be detected motionless, so that shooting errors are reduced, and further, the inspection efficiency of products is improved.

Inventors

MA CHI
HU HUI
FU WEIQIONG

Assignees

惠州学院

Dates

Publication Date: 20260512
Application Date: 20211130

Claims (9)

1. The multi-workpiece continuous detection device based on image recognition is characterized by comprising an operation table, a clamping module, a rotary driving module, an image acquisition module and a main control module, wherein the clamping module, the rotary driving module, the image acquisition module and the main control module are arranged on the operation table; the main control module is used for controlling the clamping module, the rotary driving module and the image acquisition module to acquire images of the workpiece to be detected according to a preset flow; The clamping module is used for fixing the workpiece to be detected and controlling the workpiece to be detected to switch the corresponding pose for image acquisition; The rotary driving module is used for responding to the control of the main control module and moving the image acquisition module to a corresponding stay station; The image acquisition module is used for acquiring images of the workpiece to be detected; The rotary driving module comprises a fixed body and a driving assembly, wherein the fixed body is fixed on the operating platform, and the driving assembly is arranged on the fixed body; the driving assembly comprises a driving motor, a transmission structure and a supporting structure, wherein the driving motor is arranged on the back surface of the operating platform, the transmission structure is connected with the driving motor shaft, the supporting structure is movably arranged at the tail end of the transmission structure, and the image acquisition module is fixedly arranged on the supporting structure; When the driving motor rotates, the driving structure and the supporting structure are driven to rotate along the horizontal direction, and the image acquisition module is driven to be close to or far away from the workpiece to be detected.
2. The multi-workpiece continuous detection device based on image recognition, as set forth in claim 1, wherein the transmission structure comprises a rotating rod, a connecting ring, a sleeve, a sliding block, a telescopic spring and a driving rod which are connected in sequence, wherein the rotating rod passes through the fixed body and is installed on a rotating shaft of the driving motor, the connecting ring is sleeved on the upper part of the rotating rod, the sleeve is fixed on the connecting ring, one end of the sliding block is provided with an open sliding channel, one end of the sliding block is embedded into the sliding channel and is connected with an inner end wall of the sleeve through the telescopic spring, and the other end of the sliding block is fixedly provided with the driving rod installed downwards and is connected with the supporting structure; when the driving motor rotates, the rotating rod is driven to rotate and the sleeve fixed on the rotating rod is driven to rotate, when the sleeve rotates, the driving rod is driven to bear the pressure of the fixing body in the rotation process, the sliding block is pushed to slide inwards or outwards, and then the supporting structure is driven to do telescopic motion along the axial direction.
3. The multi-workpiece continuous detection device based on image recognition, as set forth in claim 1, wherein the supporting structure comprises a main body structure in the middle, a first plate portion formed by extending outwards and a second plate portion formed by extending inwards, the first plate portion is of a 7-shaped plate structure, the inner side of the top horizontal position of the first plate portion is connected with the transmission structure, the outer side of the first plate portion is fixedly provided with the image acquisition module, and the second plate portion is an inwards extending strip-shaped supporting portion which is fixed above the table top of the fixed body.
4. The multi-workpiece continuous detection device based on image recognition of claim 1, wherein the fixing body comprises a prismatic column arranged on the operation table and a fixing ring fixed on the prismatic column, the fixing ring comprises a supporting column body, at least two groups of supporting sheets and a guide ring body, the supporting column body is fixed at the central part of the prismatic column, the supporting sheets are uniformly arranged on the supporting column body in a radial mode, and the tail ends of the supporting sheets are lifted upwards and are connected with the outer side edge of the guide ring body.
5. The multi-workpiece continuous detection device based on image recognition of claim 4, wherein the cross section of the prismatic stand column is of a regular hexagonal structure or a regular octagonal structure, the edges of the prismatic stand column gradually shrink upwards from bottom to top, and the guide ring body is of a regular hexagonal annular structure or a regular octagonal annular structure.
6. The multi-workpiece continuous detection device based on image recognition, as set forth in claim 5, wherein the clamping piece comprises a vertical plate, a clamping structure and a rotating motor, wherein the vertical plate is vertically arranged at the edge of the operation table and corresponds to the edge angle of the guide ring body one by one; when the rotating motor rotates, the clamping structure is driven to rotate in the vertical direction, and then the workpiece to be detected is driven to rotate.
7. The multi-workpiece continuous detection device based on image recognition as set forth in claim 6, wherein the clamping structure comprises a base and a plurality of limit stops, the base is disc-shaped, a mounting position is reserved at the center of the base, the plurality of limit stops are radially mounted around the mounting position, and the limit stops comprise a fixed block fixed on the base and a sliding block movably mounted on the fixed block.
8. The multi-workpiece continuous detection device based on image recognition of claim 3, wherein the image acquisition module comprises a telescopic structure and an image pick-up device, the telescopic structure is fixed on the first plate part, and the image pick-up device is arranged on the movable end of the telescopic structure.
9. The multi-workpiece continuous detection device based on image recognition of claim 1, wherein the operation table is a circular operation table, and an installation through hole for installing the rotation driving module is formed in the middle of the operation table.

Description

Multi-workpiece continuous detection device based on image recognition Technical Field The invention relates to the technical field of workpiece production quality inspection, in particular to a multi-workpiece continuous detection device based on image recognition. Background In the industry, there are various workpiece structures, such as tube structures, block structures, plate structures, for which, in order to control the quality thereof, the inspection stage in the process requires the observation, measurement and evaluation of the workpieces to be carried out manually or by means of certain instruments or tools in order to determine the quality of the workpieces. In order to better control the quality of these structures, image acquisition, recognition and certain data analysis are often used in the prior art to determine the quality of these workpieces. For example, the port position of the pipe fitting is photographed, the diameter of the pipe orifice is calculated according to the obtained photographed image, and the color and gradual change form of the paint layer photographed by the image of the pipe fitting are simulated and analyzed by identifying the photographed image, so that whether the pipe fitting meets the quality inspection standard or not is determined according to the preset standard. In order to better complete this process, it is important to acquire the photographed images of the workpieces rapidly and in batches, and acquire high-quality images. However, in the prior art, the workpiece is photographed one by one, and the workpiece image obtaining mode is low in working efficiency, and due to the lack of standardized workpiece placement and photographing environments, variables exist at the positions of the workpiece in the photographing process, so that the labeling of image obtaining is affected, the relative error is increased, the image recognition efficiency is reduced, the comparability between the workpieces is reduced, and the production efficiency of the workpiece is further reduced. Disclosure of Invention The invention provides a multi-workpiece continuous detection device based on image recognition, which solves the technical problems that the existing workpiece detection equipment cannot ensure the consistent detection state of each workpiece, so that the comparability among the workpieces is reduced, the image recognition difficulty is improved, and the production efficiency is reduced due to the increase of errors. The invention provides a multi-workpiece continuous detection device based on image recognition, which comprises an operation table, a clamping module, a rotary driving module, an image acquisition module and a main control module, wherein the clamping module, the rotary driving module, the image acquisition module and the main control module are arranged on the operation table; the main control module is used for controlling the clamping module, the rotary driving module and the image acquisition module to acquire images of the workpiece to be detected according to a preset flow; The clamping module is used for fixing the workpiece to be detected and controlling the workpiece to be detected to switch the corresponding pose for image acquisition; The rotary driving module is used for responding to the control of the main control module and moving the image acquisition module to a corresponding stay station; the image acquisition module is used for carrying out image acquisition on the workpiece to be detected. The basic scheme is provided with a clamping module, a rotary driving module and an image acquisition module which are connected with the main control module in a communication way, an automatic image acquisition mechanism is established, the power of the rotary driving module is utilized to drive the image acquisition module to rotate in the axial direction, the image acquisition module stays on stay stations at different positions in sequence, image acquisition is carried out on a workpiece to be detected, which is fixed on the clamping part, the image acquisition position of the workpiece to be detected is kept motionless, stable continuous image acquisition of multiple workpieces is realized, shooting errors are reduced, and then the inspection efficiency of products is improved. In a further embodiment, the rotary drive module comprises a stationary body fixed to the console, a drive assembly mounted on the stationary body; the driving assembly comprises a driving motor, a transmission structure and a supporting structure, wherein the driving motor is arranged on the back surface of the operating platform, the transmission structure is connected with the driving motor shaft, the supporting structure is movably arranged at the tail end of the transmission structure, and the image acquisition module is fixedly arranged on the supporting structure; When the driving motor rotates, the driving structure and the supporting structure are driven to rot