CN-121972411-A - Method, equipment and medium for automatic die cutting material removal and direct display rechecking

CN121972411ACN 121972411 ACN121972411 ACN 121972411ACN-121972411-A

Abstract

The invention discloses a method, equipment and medium for automatic die cutting material picking and direct display rechecking, which comprise the steps of obtaining image information of materials and moving information of the materials moving downwards, obtaining world coordinate information of defective products when the materials are identified to be defective products according to the image information, updating the world coordinate information of the defective products according to the moving information, obtaining projection coordinate information of the defective products according to the world coordinate information and a preset conversion matrix when the defective products move to a material picking working area, and obtaining light control information according to the projection coordinate information, wherein the light control information is used for controlling a light emitting device to illuminate and indicate the defective products. The invention has the effect of improving the rechecking efficiency by improving the equipment.

Inventors

WANG XINGHUA
CAI ZHENGCHUN
LIN JIANWEI
ZHU HUI
HU WENFENG
HUANG BOFU

Assignees

易视智瞳科技（深圳）有限公司

Dates

Publication Date: 20260505
Application Date: 20260331

Claims (12)

1. The method for automatically picking materials and directly displaying and rechecking by die cutting is characterized by comprising the following steps of: Acquiring image information of a material and moving information of the material moving downwards; when the material is identified to be defective according to the image information, world coordinate information of the defective is obtained; updating world coordinate information of the defective products according to the movement information; When the defective products move to a picking work area, obtaining projection coordinate information of the defective products according to the world coordinate information and a preset conversion matrix; and obtaining light control information according to the projection coordinate information, wherein the light control information is used for controlling a light emitting device to illuminate and indicate the defective products.
2. The method for automatic material removal and direct display rechecking by die cutting according to claim 1, wherein when the material is identified as defective according to the image information, obtaining world coordinate information of the defective comprises: when the material is identified to be defective according to the image information, visual coordinate information of the defective is obtained according to the image information; and obtaining the world coordinate information of the defective products according to the visual coordinate information and a preset conversion matrix.
3. The method for automatic picking and direct display rechecking of die cutting according to claim 2, further comprising the steps of: the method comprises the steps of presetting a calibration mode, wherein the calibration mode is used for carrying out coordinate mapping calibration through a calibration plate comprising characteristic marks; when a calibration instruction is acquired, switching to a calibration mode; acquiring calibration image information about the feature marks, and acquiring calibration visual coordinate information according to the image information; obtaining the calibrated world coordinate information of the feature mark according to the calibrated visual coordinate information and a preset conversion matrix; The calibration board reaches a material picking work area, acquires calibration movement information of the feature mark, and updates calibration world coordinate information of the feature mark according to the calibration movement information; acquiring calibration projection coordinate information of the feature mark when the feature mark is illuminated and indicated; And fitting according to the calibrated visual coordinate information, the calibrated world coordinate information and the calibrated projection coordinate information corresponding to the same feature mark to obtain a conversion matrix among three coordinate systems.
4. The method for automatic picking and direct display rechecking for die cutting according to claim 1, further comprising the steps of: judging the compatibility of automatic picking according to the image information of the defective products; switching to an automatic mode when it is determined that the two are compatible; generating automatic picking information according to the world coordinate information of the defective products and the moving information, wherein the automatic picking information is used for controlling an automatic picking device to automatically pick materials when the defective products move to a picking work area; switching to a manual mode when the two are determined to be incompatible; and executing the step of obtaining projection coordinate information of the defective products according to the world coordinate information and a preset conversion matrix when the defective products move to a material rejecting work area.
5. The method of automatic picking and direct display rechecking for die cutting of claim 4, wherein the step of generating automatic picking information according to world coordinate information of the defective products and the moving information comprises: acquiring current world coordinate information and target world coordinate information of the defective products, and acquiring arrival path information; obtaining the time delay of the defective products moving to the picking work area according to the arrival path information and the movement information; And generating automatic picking information according to the time delay, wherein the automatic picking information is used for controlling an automatic picking device to automatically pick the defective products when the time delay is over.
6. The method for automatic picking and direct display rechecking for die cutting according to claim 4, further comprising the steps of: When switching to the manual mode, generating back-off information and parking information, wherein the back-off information is used for controlling the automatic picking device to switch to the back-off mode according to the back-off information, and controlling the feeding device to pause movement or slow down movement according to the parking information; And when the moving-in-place information of the automatic picking device is received, executing the step of obtaining the projection coordinate information of the defective products according to the world coordinate information and a preset conversion matrix when the defective products move to the picking work area.
7. The die cutting automatic picking and direct display rechecking device is characterized by comprising a machine vision device, a feeding device, a light emitting device and a control device; The light emitting device is arranged at a position downstream of the machine vision device; the machine vision device is used for shooting the external materials and obtaining image information of the external materials; The feeding device is used for transporting the external materials to move downwards and obtaining the moving information of the external materials; The light emitting device is used for illuminating and indicating the defective products; The control device is in data connection with the machine vision device, the feeding device and the light emitting device and is used for sending control instructions and receiving feedback information; the control device is configured to perform the method of any one of claims 1 to 3.
8. The apparatus for automatic die cutting, picking and direct display rechecking according to claim 7, further comprising an automatic picking device, wherein the automatic picking device is arranged at a position downstream of the machine vision device, The automatic picking device is used for picking the external defective products according to the automatic picking information; The control device is in data connection with the automatic picking device and is used for sending control instructions and receiving feedback information; the control device is configured to perform the method of claim 4 or 5.
9. The automatic die cutting, picking and direct display rechecking device of claim 8, further comprising a position sensor; the position sensor is used for obtaining moving-in-place information when detecting that the automatic picking device moves in place; The automatic material picking device is also used for switching to a back-off mode according to back-off information; the feeding device is also used for suspending movement or reducing speed movement according to the parking information; the control device is in data connection with the position sensor; the control device is configured to perform the method of claim 6.
10. The automatic die cutting, picking and direct display rechecking device of claim 9, further comprising a frame rail; The frame guide rail is arranged parallel to the feeding direction of the feeding device; the automatic picking device is connected with the rack guide rail in a sliding way; When the automatic picking device is in a back-off mode, the automatic picking device moves to the tail end area of the rack guide rail and enters a locking state; the position sensor is disposed in an end region of the rack rail.
11. The automatic die cutting and picking and direct display rechecking device according to any one of the claims 7 to 10, characterized in that, The feeding device passes through the lower part of the automatic picking device; the light emitting device is arranged above the automatic picking device.
12. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method according to any one of claims 1 to 6.

Description

Method, equipment and medium for automatic die cutting material removal and direct display rechecking Technical Field The invention relates to the technical field of die cutting equipment, in particular to a method, equipment and medium for automatic die cutting material removal and direct display rechecking. Background The die cutting equipment can rapidly and efficiently complete the disclosure and rejection of waste materials, and in the subsequent process, reinspection is generally set. When the manual recheck is used, operators are required to visually find defective products and manually pick materials. This requires an extremely high degree of concentration of the operator, and is extremely consumed, resulting in a decrease in work efficiency of the operator and a tendency to fatigue, etc. Therefore, how to improve the efficiency of the device to increase the re-inspection is a problem to be solved. Disclosure of Invention The invention mainly aims to provide a method, equipment and medium for die cutting automatic picking and direct display rechecking, which aim to improve the efficiency of the equipment and improve rechecking. In order to achieve the above purpose, the invention provides a method for automatically picking materials and directly displaying and rechecking by die cutting, which comprises the following steps: Acquiring image information of a material and moving information of the material moving downwards; when the material is identified to be defective according to the image information, world coordinate information of the defective is obtained; updating world coordinate information of the defective products according to the movement information; When the defective products move to a picking work area, obtaining projection coordinate information of the defective products according to the world coordinate information and a preset conversion matrix; and obtaining light control information according to the projection coordinate information, wherein the light control information is used for controlling a light emitting device to illuminate and indicate the defective products. Optionally, when the material is identified as a defective product according to the image information, obtaining world coordinate information of the defective product includes: when the material is identified to be defective according to the image information, visual coordinate information of the defective is obtained according to the image information; and obtaining the world coordinate information of the defective products according to the visual coordinate information and a preset conversion matrix. Optionally, the method for automatically picking materials and directly displaying and rechecking by die cutting further comprises the following steps: the method comprises the steps of presetting a calibration mode, wherein the calibration mode is used for carrying out coordinate mapping calibration through a calibration plate comprising characteristic marks; when a calibration instruction is acquired, switching to a calibration mode; acquiring calibration image information about the feature marks, and acquiring calibration visual coordinate information according to the image information; obtaining the calibrated world coordinate information of the feature mark according to the calibrated visual coordinate information and a preset conversion matrix; The calibration board reaches a material picking work area, acquires calibration movement information of the feature mark, and updates calibration world coordinate information of the feature mark according to the calibration movement information; acquiring calibration projection coordinate information of the feature mark when the feature mark is illuminated and indicated; And fitting according to the calibrated visual coordinate information, the calibrated world coordinate information and the calibrated projection coordinate information corresponding to the same feature mark to obtain a conversion matrix among three coordinate systems. Optionally, the method for automatically picking materials and directly displaying and rechecking by die cutting further comprises the following steps: judging the compatibility of automatic picking according to the image information of the defective products; switching to an automatic mode when it is determined that the two are compatible; generating automatic picking information according to the world coordinate information of the defective products and the moving information, wherein the automatic picking information is used for controlling an automatic picking device to automatically pick materials when the defective products move to a picking work area; switching to a manual mode when the two are determined to be incompatible; and executing the step of obtaining projection coordinate information of the defective products according to the world coordinate information and a preset conversion matrix when the defective products move to a ma