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CN-121988539-A - Die cutting tool size and defect detection device based on binocular vision

CN121988539ACN 121988539 ACN121988539 ACN 121988539ACN-121988539-A

Abstract

The invention relates to the technical field of detection devices, in particular to a die-cutting tool size and defect detection device based on binocular vision, which comprises an operation table, a first conveyor, a centering structure, a detection structure, a second conveyor, a guiding structure, a hierarchical structure, a blanking structure and a storage structure. The detection structure is matched with the centering structure for use, so that the die cutting tools can be conveniently and orderly moved on the second conveyor and subjected to defect detection, the detection efficiency is high, the guide structure is matched with the grading structure for use, the multi-channel blanking of the die cutting tools is realized, the grading conveying of specific defect types of qualified and unqualified tools with different specifications is realized, the manual secondary screening is avoided, the operation efficiency is high, the blanking structure is matched with the storage structure for use, the automatic storage and storage of the die cutting tools which are qualified or unqualified after detection are realized, the manual pick-up is avoided, and the operation efficiency is high.

Inventors

  • WANG HUIJUN
  • PAN JUNHUA
  • Wan Minbiao
  • LIU JUNMING
  • ZHANG JING
  • YE LIQING
  • Xiang Ruiyan
  • YU DENGKE
  • XU YIFAN
  • LI QI

Assignees

  • 武昌工学院
  • 武汉软件工程职业学院(武汉开放大学)

Dates

Publication Date
20260508
Application Date
20260330

Claims (10)

  1. 1. The die cutting tool size and defect detection device based on binocular vision comprises an operation table (1) and a second conveyor (5) connected to the operation table (1), and is characterized by comprising a grading structure (7) arranged on the second conveyor (5), a blanking structure (8) connected to the grading structure (7) and a storage structure (9) connected to the blanking structure (8); Unloading structure (8) include pivot (801) and rotate connect flitch (802) on pivot (801), be equipped with three pivot (801) on hierarchical structure (7), sliding connection has draw runner (804) on flitch (802), storage structure (9) are including mounting bracket (901) and sliding connection's tray (902) on mounting bracket (901), fixedly connected with three mounting bracket (901) on second conveyer (5), rotate on mounting bracket (901) and be connected with knob (903), threaded connection between knob (903) and tray (902), the block has storage rack (904) on tray (902), storage rack (904) contradict in mounting bracket (901), contradict each other between storage rack (904) and lower flitch (802), fixedly connected with hydraulic rod (905) on mounting bracket (901), telescopic link fixedly connected with frame (906) on pushing bracket (5), push away fixedly connected with rubber slab (907) and accomodate between rubber slab (907).
  2. 2. The binocular vision-based die cutting tool size and defect detection device according to claim 1, wherein a guide rod (803) is fixedly connected to the blanking plate (802), a sliding connection is arranged between the sliding strip (804) and the guide rod (803), a tension spring (805) is fixedly connected between the sliding strip (804) and the blanking plate (802), a sliding groove (806) is formed in the blanking plate (802), a third bolt (807) is connected to the sliding strip (804) in a threaded mode, the third bolt (807) penetrates through the sliding groove (806), and the bottom of the third bolt (807) abuts against the blanking plate (802).
  3. 3. The binocular vision-based die cutting tool size and defect detection device according to claim 1, wherein three mounting frames (901) are of an L-shaped structure, two mounting frames (901) are arranged on one side of the second conveyor (5), the other mounting frame (901) is arranged on the other side of the second conveyor (5), and the pushing frame (906) is of a Z-shaped structure.
  4. 4. The binocular vision-based die cutting tool size and defect detection device according to claim 3, wherein the hierarchical structure (7) comprises two connecting plates (701) and a first hydraulic cylinder (702) fixedly connected to one connecting plate (701), two connecting plates (701) are fixedly connected to two sides of the second conveyor (5), a first pushing block (703) is fixedly connected to the telescopic end of the first hydraulic cylinder (702), a blanking groove (704) is formed in the connecting plate (701) close to the first hydraulic cylinder (702), two other blanking grooves (704) are formed in the other connecting plate (701), a first support (705) is fixedly connected to one side, close to the first pushing block (703), of the second conveyor (5), two second supports (707) are fixedly connected to the other side of the second conveyor (5), the first support (707) and the second support (707) are aligned with each other, a second pushing block (704) is fixedly connected to the first hydraulic cylinder (708), and the second electric sensor (707) is fixedly connected to the second support (707).
  5. 5. The binocular vision-based die cutting tool size and defect detection device according to claim 4, wherein a rotating shaft (801) and a second photoelectric sensor (808) are fixedly connected to the connecting plate (701) at positions close to the blanking groove (704), and the blanking groove (704) and the adjacent blanking plate (802) are mutually aligned.
  6. 6. The binocular vision-based die cutting tool size and defect detection device according to claim 5, wherein the guide structure (6) is mounted on the connecting plate (701), the guide structure (6) comprises a connecting block (601) and a sliding rod (602) slidingly connected to the connecting block (601), the connecting block (601) is fixedly connected to the connecting plate (701) at a position close to the first hydraulic cylinder (702), a correction strip (603) is fixedly connected to the end of the sliding rod (602) through a first bolt (604), a spring (605) is fixedly connected between the correction strip (603) and the connecting block (601), a connecting strip (606) is fixedly connected to the end of the correction strip (603), and a guide strip (608) is fixedly connected to the end of the connecting strip (606) through a second bolt (607).
  7. 7. The binocular vision-based die cutting tool size and defect detection device according to claim 6, wherein the correction strip (603) is of an F-shaped structure, the connecting strip (606) is of an L-shaped structure, and a transition plate (609) is fixedly connected between the two connecting plates (701).
  8. 8. The binocular vision-based die cutting tool size and defect detection device according to claim 1, wherein a first conveyor (2) is installed on the operation table (1), the first conveyor (2) and a second conveyor (5) are aligned with each other, a centering structure (3) is arranged on the first conveyor (2), the centering structure (3) comprises a bottom plate (301) and two installation blocks (302) fixedly connected to the bottom plate (301), the bottom plate (301) is fixedly connected to two sides of the first conveyor (2), connecting rods (303) are connected to the installation blocks (302) in a sliding mode, and guide plates (304) are fixedly connected between the two connecting rods (303) located on the same side.
  9. 9. The binocular vision-based die cutting tool size and defect detection device according to claim 8, wherein the end portion of the guide plate (304) is of an arc-shaped structure, and the first conveyor (2) is provided with a detection structure (4).
  10. 10. The device for detecting the size and the defects of the die-cutting tool based on binocular vision according to claim 9, wherein the detecting structure (4) comprises a supporting rod (401) and a first light supplementing lamp (402) fixedly connected to one of the supporting rods (401), two supporting rods (401) are fixedly connected to the operation table (1), a first camera (403) is fixedly connected to the operation table (1) at a position close to the first light supplementing lamp (402), a second light supplementing lamp (404) and a second camera (405) are fixedly connected to the other supporting rod (401) respectively, and two light gathering plates (406) are fixedly connected to the operation table (1) at positions close to the supporting rods (401).

Description

Die cutting tool size and defect detection device based on binocular vision Technical Field The invention relates to the technical field of detection devices, in particular to a die-cutting tool size and defect detection device based on binocular vision. Background The die cutting tool is a special tool for cutting materials into specific shapes, is mainly used for cutting, indentation and other processing of materials such as paper, leather and the like, and comprises a flat die cutting tool, a round die cutting tool and the like, wherein the flat die cutting tool consists of a tool apron and a blade, a detection device is often used for mass production of the flat die cutting tool, binocular images of the die cutting tool are obtained through two synchronous cameras (the binocular detection cameras are core equipment for industrial three-dimensional measurement and defect detection and consist of two industrial cameras with completely consistent parameters, are symmetrically deployed according to fixed baseline distances, realize millisecond synchronous acquisition through hardware triggering, ensure that clear images of different visual angles of a target object are obtained, can finish reconstruction of a three-dimensional model of the target after parallax is calculated by a three-dimensional matching algorithm, further realize high-precision dimension measurement, simultaneously accurately capture fine defects such as object surface cracks, chipping and abrasion, have the characteristics of high speed transmission and strong environmental adaptability, and are widely applied to online detection scenes in the fields of mechanical manufacturing, electronic elements and the like, and the defects such as cutting edge chipping and cracks are identified through image feature analysis. When the traditional defect detection device is operated, the die cutting tools are mainly conveyed to the appointed detection position of the device through the conveyor, then conveyed to the tail end through the tail conveyor and subjected to blanking operation, and the die cutting tools conveyed to the tail of the conveyor are usually picked up and stored one by one manually, so that the operation process is complicated, the picking efficiency is low, and the flexibility is poor; The die cutting tool after detection is usually directly conveyed to the tail part of the conveyor, and the tail part of the die cutting tool is usually provided with only two qualified and unqualified blanking channels, so that the die cutting tool is difficult to subdivide according to the defect type or specification of the tool, needs to be manually and repeatedly selected in the later stage, and has complicated operation process; When the die cutting tools with different sizes are conveyed, in order to ensure that the die cutting tools move on the conveyor according to a specified path, the positions of the guide plates are required to be manually and repeatedly adjusted, the operation process is complex, and the detection efficiency is low. Disclosure of Invention Aiming at the problems in the prior art, the invention provides a die-cutting tool size and defect detection device based on binocular vision. The invention solves the technical problems by adopting the technical scheme that the die-cutting tool size and defect detection device based on binocular vision comprises an operation table, a second conveyor connected to the operation table, a hierarchical structure arranged on the second conveyor, a blanking structure connected to the hierarchical structure and a storage structure connected to the blanking structure; The blanking structure comprises a rotating shaft and a blanking plate which is rotationally connected to the rotating shaft, three rotating shafts are arranged on the grading structure, sliding strips are connected to the blanking plate in a sliding mode, the storage structure comprises a mounting frame and a tray which is slidingly connected to the mounting frame, three mounting frames are fixedly connected to the second conveyor, knobs are rotationally connected to the mounting frames, threads are connected between the knobs and the tray, a storage frame is clamped to the tray, the storage frame is abutted to the mounting frame, the storage frame is abutted to the blanking plate, hydraulic rods are fixedly connected to the mounting frame, the telescopic ends of the hydraulic rods are fixedly connected to a pushing frame, and rubber plates are fixedly connected to the pushing frame and are slidingly connected to the storage frame. Specifically, fixedly connected with guide bar on the flitch, sliding connection between draw runner and the guide bar, fixedly connected with extension spring between draw runner and the flitch, the spout has been seted up on the flitch, threaded connection has the third bolt on the draw runner, the third bolt runs through in the spout, the bottom of third bolt is contradicted in the flitch. Speci