Irregularly-shaped strip-shaped product contour defect detection system

By combining a mechanical transmission mechanism with an industrial laser camera, the problems of inaccurate data and environmental influences in the inspection of irregularly shaped products are solved, achieving efficient and accurate defect detection.

CN223678459UActive Publication Date: 2025-12-16XIAN YASI IND AUTOMATION CONTROL CO LTD
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Patent Information

Application Number
CN202520275701.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-20
Publication Date
2025-12-16
Estimated Expiration
2035-02-20

AI Technical Summary

Technical Problem

Existing technologies cannot effectively detect the outlines of irregularly shaped products, and suffer from problems such as inaccurate detection data, limitations due to length, inability to detect at high temperatures, and difficulty in cleaning.

Method used

The device employs two mechanical transmission mechanisms to support irregularly shaped products, and uses an industrial laser camera for non-contact inspection. Combined with a sealed environment and dust removal device, it enables rapid and accurate inspection of irregularly shaped products.

Benefits of technology

It enables rapid and accurate detection of irregularly shaped products, is suitable for high-temperature environments, and reduces the impact of external environment on detection data, thereby improving detection efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a profile defect detection system for irregularly-shaped strip-shaped products. According to the technical scheme, the device comprises a detection mechanism and two mechanical transmission mechanisms arranged on the two sides of the detection mechanism; the mechanical transmission mechanism comprises a base, and a lifting adjusting support and two transmission rolling wheels are sequentially arranged on the base. The detection mechanism comprises a frame body, a hollow polygonal cylinder is transversely arranged in the frame body, industrial laser cameras are respectively arranged on each surface of the polygonal cylinder except the bottom, an irregular product penetrates through the polygonal cylinder, and the two ends of the irregular product are supported and transmitted through two transmission wheels at the upper part of a lifting adjusting bracket; and a display, an alarm and an air conditioner which are connected with the controller are arranged on the frame body. According to the structure of the utility model, cold or hot irregular-shaped section materials with a certain length pass through the detection mechanism by utilizing the two mechanical transmission mechanisms, and defect detection and data analysis and comparison are carried out on the materials by utilizing the industrial laser camera, so that a defect report is formed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of equipment detection system, concretely relates to a strip product contour defect detection system of irregular shape. BACKGROUND

[0002] With the continuous improvement of industrial automation level in our country, in the manufacturing industry, processing industry, the product shape and contour of each enterprise production are more and more diversified, and the common detection mode is mostly sampling inspection, and the detection tool is detected manually. There are usually some problems, such as incomplete detection sample sampling, small sampling amount, long detection time, large human error range, and even irregular shape cannot be detected.

[0003] The application number is "201711413846X", and the patent name is "a cylindrical bar straightness detection method and its application system", which discloses a kind of automatic detection cylindrical bar straightness method, and there are problems:

[0004] 1, only the material of cylindrical shape can be measured, and the cross section shape of irregular shape cannot be detected;

[0005] 2, cylindrical bar may cause inaccurate detection data in the process of rotating;

[0006] 3, cannot measure the straightness and shape size of material under high temperature state;

[0007] 4, the detection range is limited by the length of bar;

[0008] 5, the detection device cannot be automatically cleaned.

[0009] Therefore, we need more convenient and effective and diversified detection structure, utilize mechanical automation to obtain object surface parameter, and carry out modeling, calculation, comparison and other processing to feedback data, realize the rapid, accurate, batch detection of various irregular shape product contour, and judge whether there is defect, so as to improve detection efficiency and accuracy, make detection type tend to diversification. Utility model content

[0010] Therefore, the utility model provides a kind of strip product contour defect detection system of irregular shape, the structure utilizes two mechanical transmission mechanisms to pass through the detection mechanism to the certain length of cold or hot irregular shape cross section material, utilizes laser camera to carry out defect detection to material and carries out data analysis comparison, forms defect report.

[0011] The utility model discloses a technical scheme of an irregular shape bar product contour defect detection system, which comprises a detection mechanism and two mechanical transmission mechanisms, and the two mechanical transmission mechanisms are arranged on the two sides of the detection mechanism and on the same base plate.

[0012] Further, the mechanical transmission mechanism comprises a base, a lifting adjusting support is fixed on the base, and two transmission rollers are oppositely arranged on the upper part of the lifting adjusting support.

[0013] Further, the detection mechanism comprises a sealed frame body, a hollow polygonal column is horizontally arranged in the frame body, a plurality of industrial laser cameras are arranged on the polygonal column, the product with irregular shape passes through the polygonal column, the two ends are supported and driven by the transmission rollers on the upper part of the lifting adjusting support, a display, an alarm and an air conditioner are arranged on the frame body, and the industrial laser cameras, the display, the alarm and the air conditioner are controlled by an industrial computer.

[0014] Further, the lens direction of the industrial laser camera is provided with a rectangular frame body on the polygonal column, high-transparency quartz glass is arranged on the rectangular frame body opposite to the lens direction, dust holes for blowing the high-transparency quartz glass are arranged on the rectangular frame body, the dust holes are connected with air tubes, and the air tubes are controlled to realize air blowing by an electromagnetic valve, so that the dust and sundries on the quartz glass are cleaned.

[0015] Further, the structure of the lifting adjusting support comprises two groups of diamond-shaped lifting supports which are oppositely arranged and are adjusted up and down by a lead screw.

[0016] Further, one end of the lead screw is provided with an adjusting handle, and the lifting adjusting support is adjusted to rise and fall by the adjusting handle.

[0017] Further, a V-shaped groove is arranged around the middle part of the transmission roller.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] 1) The utility model adopts a non-contact industrial laser camera to measure, which can be suitable for materials in high-temperature operation, so that the working efficiency of the whole assembly line can be effectively improved; and the through-type measurement method can not be limited by the length of the detected object, and has a wide application range.

[0020] 2) The mechanical transmission mechanism of the utility model can adjust the height of the detection object to make the center of the cross section and the axis of the hollow octagonal column be located on the same horizontal plane, so that it is suitable for irregular contour defect detection, that is, the cross section of the irregular shape can be quickly detected.

[0021] 3) The utility model discloses detection mechanism is in airtight environment, can keep constant temperature, constant humidity, reduce the outside environment to the influence of laser camera, and the data error of the data collected is small, and the data is more accurate.

[0022] 4) The utility model discloses install rectangular frame body before the lens of industrial laser camera, and the dust removal hole on rectangular frame body is connected with air pipe, through solenoid valve control, can in the process of detecting material, according to need in time to the dust removal of laser camera lens, and normal detection is not affected.

[0023] 5) The system of the utility model has high measurement efficiency and good stability. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structure diagram of mechanical transmission structure of the utility model.

[0025] Figure 2 It is the structure diagram of detection mechanism of the utility model.

[0026] Figure 3 It is the structure diagram of detection mechanism and two mechanical transmission mechanisms of the utility model after overall assembly.

[0027] Figure 4 It is Figure 2 A-A sectional view.

[0028] Reference signs: 1-power inlet, 2-network port, 3-air pipe interface, 4-solenoid valve, 5-air conditioner, 6-rectangular frame body, 7-dust removal hole, 8-alarm, 9-camera mounting panel, 10-supporting end plate, 11-display, 12-industrial laser camera, 13-air pipe, 14-industrial computer, 15-camera controller, 16-network switch, 17-power supply, 18-base, 19-screw rod, 20-lifting adjustment support 21-transmission roller, 22-adjusting handle, 23-mounting base plate, 24-polygonal column body, 25-quartz glass. DETAILED DESCRIPTION

[0029] In the description of the utility model, it is explained that, unless there is explicit definition and limitation, the terms "installation", "connection", "connection" should be understood broadly, for example, can be fixed connection, can be detachable connection, or integrally connected, can be mechanical connection, can be electrical connection, can be directly connected, can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0030] The embodiment provides a system for detecting the contour defects of irregularly shaped strip products, as shown in Figure 1 And Figure 2As shown, including three parts, the first part is mechanical transmission mechanism, including two parts of lifting adjusting frame and transport roller; the second part is the defect system detection mechanism, that is, the industrial laser camera and installation structure for detecting the cross-section contour; the third part is auxiliary device, including air conditioning device for temperature control, air pipe and valve structure for dust removal, and the auxiliary device is arranged on the detection mechanism; the mechanical transmission mechanism is two, and the two mechanical transmission mechanisms are arranged on the two sides of the detection mechanism.

[0031] Each of the above mechanical transmission mechanisms includes a lifting adjusting support 20 and two transmission rollers 21. The lifting adjusting support 20 is arranged on the base 18 and serves as an auxiliary device of the detection mechanism and a supporting device of the material and is located on the two sides of the detection mechanism. The structure of the lifting adjusting support 20 includes two groups of diamond-shaped lifting supports arranged oppositely. The adjusting mode of the lifting adjusting support includes a manual adjusting mode, that is, the adjusting handle 22 on the rotating structure can drive the screw rod 19 to rotate, drive the lifting frame to adjust up and down, (a driving motor can also be installed on the screw rod of the lifting frame, and the screw rod is driven to rotate after the motor is started) so as to adjust the cross-section center position of different specifications of materials, so that the cross-section of the material is located within the detection range of the hollow octagonal column formed by the four industrial laser cameras, thereby improving the compatibility of the system for different material specifications.

[0032] The transmission roller 21 is arranged on the upper part of the lifting adjusting support 20. The middle parts of the two transmission rollers 21 are provided with V-shaped grooves. The two ends of the irregular-shaped product are arranged on the V-shaped grooves of the two groups of mechanical transmission mechanisms. The transmission rollers move together during the movement of the material and can be driven wheels or driving wheels. The design is made according to the actual situation on the site. In this system, the design is a driven wheel without the structure of motor assistance. Figure 1 The structure of the transmission roller 21 in the above embodiment is designed for the material with a circular cross-section. If the product shape is square or other shapes, other shapes can be designed according to the needs and used together.

[0033] As shown in the detection mechanism in the embodiment, Figure 2 includes a closed frame. A hollow polygonal column 24 is arranged in the frame in the transverse direction (the space connecting line of the two mechanical transmission mechanisms). In this embodiment, the polygonal column is an octagonal column. The octagonal column is arranged at the middle position of the frame through the support end plates 10 at the two ends of the frame. The workstations 14, camera controllers 15, network switches 16 and power supplies 17 can be arranged in the space at the bottom of the frame, that is, the space outside the octagonal column. The power inlet 1, network port 2 and air pipe interface 3 are arranged on the outer wall of the support end plate 10 of the frame.

[0034] Each outer side of the octagonal column except the bottom is respectively provided with an industrial laser camera 12 (the number of the installed industrial laser cameras 12 can be determined according to different detection objects), seven laser camera mounting plates 9 are arranged in the embodiment, and the positions of the laser cameras can be finely adjusted up and down and left and right.

[0035] The industrial laser camera 12 is provided with a rectangular frame body 6 on the octagonal column, the high-transparency quartz glass 25 is arranged on the rectangular frame body 6 and faces the lens direction, so that the photographing is facilitated, the dust removal holes 7 for blowing the surface of the high-transparency quartz glass 25 are arranged on the rectangular frame body 6, the dust removal holes 7 are connected with the air pipe 13, the air pipe 13 is connected with the air pipe interface 3, the air pipe 13 is controlled by the electromagnetic valve 4 to realize air blowing, so that the dust and sundries on the quartz glass can be cleaned, and the influence of the external environment on the data collected by the laser camera can be reduced, the whole detection mechanism is a closed constant-temperature and constant-humidity space, the rectangular frame body is arranged on the lens, the whole closed space is completely sealed, and the dust and rodents are prevented from entering.

[0036] Irregularly-shaped products pass through the octagonal column, and the transmission wheels 21 on the upper parts of the lifting adjusting supports 20 at two ends are used for supporting and transmission.

[0037] The display 11, the alarm 8 and the air conditioner 5 arranged on the detection mechanism frame body are controlled by the industrial computer 14, the air conditioner device is installed on the side of the detection mechanism, as shown in the figure, and is mainly designed to meet the needs of different working conditions and environments, so that the internal devices such as the industrial laser camera can work normally when the passing property of high-temperature materials is detected. Figure 2

[0038] The working method of the utility model is as follows:

[0039] 1, adjust the lifting adjusting supports of the mechanical transmission mechanisms at two ends, so that the barycenters of the two roller cone types and the barycenter of the octahedron of the detection mechanism are located on the same horizontal line, and the detected materials are ensured to be in the effective detection ranges of the several industrial laser cameras;

[0040] 2, start the industrial laser camera, the materials are conveyed by the rollers at two ends, the industrial laser camera reads data and feeds back the results.

[0041] 3, the industrial air conditioner is started and operated according to the set temperature range, and the temperature and humidity in the detection mechanism are adjusted.

[0042] ​4. Valve ventilation, according to the actual situation, open solenoid valve, to the camera lens glass blowing surface dust, residues.

[0043] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0044] The above is only the preferred embodiment of the present application, and is not intended to limit the protection scope of the present application. It should be pointed out that, without departing from the principles of the present application, ordinary technical personnel in the art can make some improvements and refinements, which should be considered as the protection scope of the present application.

Claims

1. An irregularly shaped strip product profile defect detection system characterized by, Including detection mechanism and two mechanical transmission mechanism, two mechanical transmission mechanism are respectively arranged in both sides of detection mechanism, and are arranged on same bottom plate (23); The mechanical transmission mechanism includes a base (18), a lifting adjusting support (20) is fixed on the base (18), and two transmission rollers (21) are oppositely arranged on the upper part of the lifting adjusting support (20); The detection mechanism includes a closed frame body, a hollow polygonal column (24) is transversely arranged in the frame body, a plurality of industrial laser cameras (12) are arranged on the polygonal column (24), the irregularly shaped product passes through the polygonal column (24), and the two ends are supported and driven by the transmission rollers (21) on the upper part of the lifting adjusting support (20); a display (11), an alarm (8) and an air conditioner (5) are arranged on the frame body, the industrial laser camera (12), the display (11), the alarm (8) and the air conditioner (5) are controlled by an industrial computer (14); The lens direction of the industrial laser camera (12) is provided with a rectangular frame body (6) on the polygonal column, a high-transparency quartz glass (25) is arranged opposite to the lens direction of the rectangular frame body (6), dust holes (7) for blowing the high-transparency quartz glass (25) are arranged on the rectangular frame body (6), the dust holes (7) are connected with air pipes (13), the air pipes (13) are controlled by electromagnetic valves (4) to realize air blowing, and dust and sundries on the quartz glass are cleaned.

2. A system for detecting irregularly shaped bar product profile defects according to claim 1, wherein, The structure of the lifting adjusting support (20) includes two groups of diamond-shaped lifting supports arranged oppositely, and the two groups of diamond-shaped lifting supports are adjusted up and down by a lead screw (19).

3. A system for detecting irregularly shaped strip product profile defects as claimed in claim 2, wherein One end of the lead screw (19) is provided with an adjusting handle (22), and the lifting adjusting support (20) is raised and lowered by the adjusting handle (22).

4. A system for detecting defects in the profile of a strip product of irregular shape according to claim 3, characterized in that, The middle part of the transmission roller (21) is provided with a V-shaped groove.