Polyester yarn disc image acquisition device

By using multi-angle shooting and laser marking in the polyester yarn disc image acquisition device, the problems of acquisition range and efficiency of the polyester yarn disc image acquisition device were solved, realizing efficient and accurate image acquisition and defect marking of polyester yarn discs.

CN223528149UActive Publication Date: 2025-11-07BEIJING UNIV OF CHEM TECH
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Patent Information

Application Number
CN202423111250.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-07
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The existing polyester yarn disc image acquisition devices have insufficient number and position of cameras, resulting in poor acquisition range and effect, and the defect location is difficult to mark quickly.

Method used

Three sets of cameras are used to photograph the three layers of the polyester yarn tray. Defect locations are marked with laser pointers and illuminated by top and ring light sources. Multi-angle shooting is achieved using a six-degree-of-freedom adjustment frame and a bending frame, and the tray is positioned by rollers and limiters.

Benefits of technology

It enables omnidirectional image acquisition of polyester yarn discs, improving acquisition efficiency and accuracy, and can quickly mark defect locations, facilitating classification by inspection personnel.

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    Figure CN223528149U_ABST
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Abstract

The utility model relates to the field of polyester yarn disc image acquisition, aims to quickly and efficiently perform image acquisition on defects of polyester yarn discs, and discloses a polyester yarn disc image acquisition device which comprises a supporting platform, a frame body is arranged on the upper surface of the supporting platform, and the frame body is composed of a first stand column, a first transverse frame and a second transverse frame. First connectors are installed between the first transverse frame and the first stand columns, second connectors are installed between the second transverse frame and the first stand columns, the four first stand columns are evenly distributed at the four corners, the upper portions, the middle portions and the lower portions of the first stand columns are sleeved with camera frames, and shooting camera sets are installed at the ends of the camera frames. A second stand column is arranged on the inner side of the first stand column and arranged on the surface of the supporting platform, a bending frame is arranged on the surface of the second stand column, and an annular light source is arranged at the end of the bending frame. According to the utility model, through rapid marking of the laser pen and shooting of the shooting camera group, accurate and rapid image acquisition of the polyester yarn disc can be realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to polyester yarn disc image acquisition field especially relates to a polyester yarn disc image acquisition device. BACKGROUND

[0002] Polyester yarn refers to the yarn spun with polyester as raw material, and polyester is a kind of polymer fiber spun, and is mostly the fiber produced with ethylene glycol phthalate as raw material.

[0003] The polyester yarn is wound on the disc body to form a polyester yarn disc, and due to the operation in the production and processing process, the polyester yarn disc may appear phenomena such as edge rubbing, pipe breaking, tail shortage, cutting, tail filament inclusion and contamination, which are not easy to find, and for the image acquisition of the yarn disc, the current general machine vision technology is used to first perform image acquisition, use a high-speed industrial camera, etc., to real-time shoot the image of the yarn, then perform pretreatment, pretreat the acquired image, including denoising, contrast enhancement, greying and other operations, to improve the image quality, then perform feature extraction, extract the features of the yarn from the pretreated image through an image processing algorithm, then perform feature matching and recognition, match the extracted feature information with a specific template, and judge whether the yarn appears rubbing, pipe breaking, tail shortage, cutting, tail filament inclusion and contamination and other problems. The whole process is relatively complex, for the image acquisition stage, the current number and position of the camera are insufficient to perform image acquisition on the overall appearance of the polyester yarn disc, which affects the acquisition range and acquisition effect, and in the image acquisition process, the positions appearing rubbing, pipe breaking, tail shortage, cutting, tail filament inclusion and contamination are also not easy to be quickly marked.

[0004] In order to perform image acquisition on the polyester yarn disc, the utility model creates a polyester yarn disc image acquisition device to solve the image acquisition problem of the polyester yarn disc. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the shortage of the prior art, and provides a polyester yarn disc image acquisition device.

[0006] The utility model is realized through the following technical solutions:

[0007] The utility model provides a kind of polyester yarn disc image acquisition device, including support platform, the upper surface of support platform is provided with frame body, frame body is first column, first cross and second cross respectively, first cross is equipped with first joint between first column, second cross is equipped with second joint between first column, four first columns are evenly distributed in four corners, camera holder is located in upper middle and lower and is sleeved, shooting camera group is installed at the end of camera holder, second column is located in the inner side position of first column and is arranged on the surface of support platform and is equipped with bending frame, annular light source is installed at the end of bending frame, top light source is located between first cross, track corrector is arranged in the middle of the surface of support platform, roller is evenly equipped in track corrector, tray is sleeved in track corrector, polyester yarn disc is mounted on tray, bottom bracket is welded in the bottom of support platform, and roller is evenly mounted on the bottom bracket, laser pen is mounted on the upper surface of support platform.

[0008] As a preferred technical scheme of the utility model, the tray bottom is a disc structure, and the tray and the track corrector are in sliding fit.

[0009] As a preferred technical scheme of the utility model, the camera holder and the bending frame are both six-degree-of-freedom adjustment frames.

[0010] As a preferred technical scheme of the utility model, the track corrector is equipped with a limit stop, the limit stop vertically penetrates the track corrector, and the limit stop is composed of a round rod.

[0011] As a preferred technical scheme of the utility model, the end of the camera holder and the bending frame is equipped with an adjustable clamp.

[0012] As a preferred technical scheme of the utility model, the top light source is arranged directly above the polyester yarn disc.

[0013] As a preferred technical scheme of the utility model, the laser pen is provided with a multi-degree-of-freedom base, and the laser pen is provided with at least two.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The utility model discloses a three group photographing camera groups are arranged respectively on the upper end surface and the upper end surface paper tube of polyester yarn disc, polyester yarn disc side, the lower end surface and the lower end surface paper tube of polyester yarn disc, are used for photographing to polyester yarn disc, cooperate the quick marking of laser pen, can directly mark the defect position on the shooting position, so that the detection personnel quickly find the position of the defect, so as to grade polyester yarn disc, cooperate through the top light source and ring light, be used for the illumination of polyester yarn disc, more helpfully take the sample of the photograph of polyester yarn disc, through the setting of adjustable clamp, be used for quick replacement and installation of photographing camera and ring light, through six degrees of freedom camera holder and bending frame, be used for multi -angle adjustment, can photograph three levels simultaneously to polyester yarn disc, improve the efficiency of image acquisition, through the setting of roller, be convenient for the moving position of tray, cooperate the stopper, can make the tray be in the center position of shooting. The utility model discloses through the quick marking of laser pen, and then through the photographing of photographing camera group and the illumination of light source, so that the quick image acquisition of polyester yarn disc can be carried out, and the accuracy of polyester yarn disc image acquisition is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model.

[0017] Figure 2 It is the bottom view of the utility model.

[0018] Figure 3 It is the top view of the support platform and tray cooperation of the utility model.

[0019] Figure 4 It is the structure schematic diagram of the first horizontal frame and second horizontal frame combination of the utility model.

[0020] In the drawing: 1, tray, 2, polyester yarn disc, 3, top light source, 4, first horizontal frame, 5, photographing camera group, 6, first joint, 7, camera holder, 8, first stand, 9, second horizontal frame, 10, second joint, 11, ring light, 12, second stand, 13, support platform, 14, bending frame, 15, base frame, 16, gyro wheel, 17, roller, 18, track corrector, 19, laser pen. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0022] Please refer to Figures 1-4The utility model provides a technical scheme:

[0023] A polyester yarn disc image acquisition device, including support platform 13, support platform 13 upper surface is provided with frame body, and the whole frame body plays the role of support, and the frame body is respectively first stand 8, first cross 4 and second cross 9 are formed, first cross 4 is equipped with first joint 6 between first stand 8, second cross 9 is equipped with second joint 10 between first stand 8, four first stands 8 are evenly distributed in four corners, and camera holder 7 is sleeved in upper, middle and lower of first stand 8, and shooting camera group 5 is installed in the end of camera holder 7, second stand 12 is equipped in the inside position of first stand 8 and is set up on the surface of support platform 13, and second stand 12 surface is equipped with bending frame 14, the end of camera holder 7 and bending frame 14 is equipped with adjustable clamp, and the setting of adjustable clamp is convenient for the installation and dismounting of shooting camera group 5 and annular light source 11, and it is convenient to replace, the camera holder 7 and bending frame 14 are six degrees of freedom adjustment frame, and annular light source 11 is installed in the end of bending frame 14, and top light source 3 is equipped between first cross 4, track corrector 18 is equipped in the middle of support platform 13 surface, the bottom of tray 1 is disc structure, and tray 1 and track corrector 18 are slidingly fitted, the track corrector 18 is equipped with limit stop inside, and the limit stop is vertically through track corrector 18, and the limit stop is round bar group, and the limit stop is inserted in track corrector 18, and the tray 1 is positioned in the position of the center of shooting camera group 5 by two round bars, and roller 17 is evenly equipped in track corrector 18, and tray 1 is sleeved in track corrector 18, and polyester yarn disc 2 is equipped on tray 1, top light source 3 is set in the directly above of polyester yarn disc 2, bottom bracket 15 is welded in the bottom of support platform 13, and bottom bracket 15 bottom is evenly equipped with gyro wheel 16, and laser pen 19 is equipped on the upper surface of support platform 13, and the laser pen 19 is equipped with multi-degree-of-freedom base, and the laser pen 19 is equipped with at least 2.

[0024] Workflow: when the polyester yarn disc 2 is imaged, first, the polyester yarn disc 2 is placed on the tray 1, then the tray 1 is pushed to be clamped between the limiters in the track corrector 18, the tray 1 is positioned, the tray 1 is located in the center of the camera group 5, the camera frame 7 is adjusted, so that the three layers of the camera group 5 shoot the top, side and bottom of the polyester yarn disc 2 respectively, at the same time, the top light source 3 irradiates the top of the polyester yarn disc 2, the bending frame 14 is adjusted, the direction of the ring light source 11 is adjusted, the ring light source 11 irradiates the bottom of the polyester yarn disc 2, due to the setting of the multi-angle camera group 5, the polyester yarn disc 2 can be imaged in all directions, when defects such as scratches, broken pipes, short tails, cuts, tail filaments and dirt on the polyester yarn disc 2 are found, the laser pen 19 is adjusted, the laser pen 19 is irradiated on the polyester yarn disc 2 to mark, the laser pen 19 is provided with multiple, at different positions, so as to mark different positions of the polyester yarn disc 2, at this time, when the camera group 5 is used for shooting, the position of the defect can be directly shot, through observation of the shot photo, if the marked position of the polyester yarn disc 2 is more than 3, the grade of the polyester yarn disc 2 will be reduced, only the marked position and quantity of the polyester yarn disc 2 need to be observed, the defect condition of the polyester yarn disc 2 can be directly known, and the imaging of the polyester yarn disc 2 is more efficient.

[0025] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A polyester yarn disc image acquisition device comprising a support platform (13), characterized in that: The upper surface of the support platform (13) is provided with a frame body composed of first vertical columns (8), a first cross frame (4) and a second cross frame (9), a first joint (6) is arranged between the first cross frame (4) and the first vertical column (8), a second joint (10) is arranged between the second cross frame (9) and the first vertical column (8), the four first vertical columns (8) are evenly distributed at four corners, a camera holder (7) is sleeved on the upper, middle and lower parts of the first vertical column (8), a shooting camera group (5) is mounted at the end of the camera holder (7), a second vertical column (12) is arranged on the inner side of the first vertical column (8) and on the surface of the support platform (13), a bending frame (14) is arranged on the surface of the second vertical column (12), a ring-shaped light source (11) is mounted at the end of the bending frame (14), a top light source (3) is arranged between the first cross frame (4), a track corrector (18) is arranged on the middle part of the surface of the support platform (13), rollers (17) are evenly arranged in the track corrector (18), a tray (1) is sleeved in the track corrector (18), a polyester yarn disc (2) is arranged on the tray (1), a chassis (15) is welded on the bottom of the support platform (13), rollers (16) are evenly arranged on the bottom of the chassis (15), and a laser pen (19) is arranged on the upper surface of the support platform (13).

2. The polyester yarn disc image acquisition device according to claim 1, characterized in that: The bottom of the tray (1) is a disc structure, and the tray (1) and the track corrector (18) are in sliding fit.

3. The polyester yarn disc image acquisition device according to claim 1, characterized in that: The camera holder (7) and the bending frame (14) are both six-degree-of-freedom adjusting frames.

4. The polyester yarn disc image acquisition device according to claim 1, characterized in that: The track corrector (18) is provided with a limit stopper, the limit stopper vertically penetrates the track corrector (18), and the limit stopper is composed of a round rod.

5. The polyester yarn disc image acquisition device according to claim 1, characterized in that: The camera holder (7) and the bending frame (14) are both provided with adjustable clamps.

6. The polyester yarn disc image acquisition device according to claim 1, characterized in that: The top light source (3) is arranged directly above the polyester yarn disc (2).

7. The polyester yarn disc image acquisition device according to claim 1, characterized in that: The laser pen (19) is provided with a multi-degree-of-freedom base, and the laser pen (19) is provided with at least two.