CN-121988540-A - Tank deformation detection and rejection system and method, electronic equipment and storage medium

CN121988540ACN 121988540 ACN121988540 ACN 121988540ACN-121988540-A

Abstract

The invention discloses a tank deformation detection and rejection system, a method, electronic equipment and a storage medium, wherein the tank deformation detection and rejection system comprises a conveying mechanism, a photoelectric detection mechanism, a rapid rejection mechanism, a height limiting mechanism and a PLC control system, the conveying mechanism comprises a conveying belt, a driving motor, an encoder and a transmission shaft, according to the system, through integrated automatic design, continuous conveying of the pop cans is realized by utilizing a conveying mechanism, non-contact high-precision detection is carried out on the front section by utilizing a photoelectric detection mechanism, once abnormality is found, a PLC control system commands a quick rejecting mechanism to drive a rejecting arm to act quickly through a driving piece, and deformed pop cans are pushed out of a production line; the height limiting mechanism is used as a secondary safety device, and a 冂 -shaped bracket and an adjustable blocking piece are used for physically intercepting a seriously deformed product which is missed to be detected. The structure realizes 'double guarantee' of photoelectric logic rejection and mechanical physical blocking, and effectively solves the problems of low efficiency and easy omission of single detection means of the traditional manual visual inspection.

Inventors

CAO HAOJIE
XIONG XIANPING
ZENG QINGXIN
LU JIAN
ZHAO WEIMING

Assignees

天地壹号饮料股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260305

Claims (10)

1. The can deformation detection and rejection system is used for detecting and rejecting pop cans and is characterized by comprising a conveying mechanism, a photoelectric detection mechanism, a rapid rejection mechanism, a height limiting mechanism and a PLC control system, wherein the conveying mechanism comprises a conveying belt, a driving motor, an encoder and a plurality of transmission shafts, the encoder is arranged on the transmission shafts, and the driving motor drives the conveying belt to operate through the transmission shafts; the quick removing mechanism comprises a driving piece and a removing arm, and the driving piece drives the removing arm to push out the pop cans on the conveying mechanism; the height limiting mechanism comprises a 冂 -shaped bracket, a height limiting sensor and a blocking piece, wherein the height limiting sensor is arranged on two sides of the 冂 -shaped bracket, and the blocking piece is adjustably arranged in the middle of the 冂 -shaped bracket; the PLC control system is respectively in communication connection with the photoelectric detection mechanism, the quick eliminating mechanism and the height limiting mechanism, and the quick eliminating mechanism is positioned between the photoelectric detection mechanism and the height limiting mechanism.
2. The can deformation detecting and rejecting system as claimed in claim 1, wherein the photoelectric detecting mechanism is a high-speed U-shaped photoelectric sensor, and the driving member is a cylinder.
3. A method of detecting and rejecting a can body deformation detecting and rejecting system as defined in claim 2, comprising the steps of: S10, performing system setting, namely measuring the distance L from the photoelectric detection mechanism to the quick rejecting mechanism, measuring the circumference of a driving wheel of the conveying belt to be C, setting the pulse of each circle of rotation of the encoder to be B pulse/circle, calculating the actual displacement of the conveying belt corresponding to each pulse according to delta=C/pulse number B of each circle, and converting the distance L into the pulse number required to be counted by the PLC control system, namely the target pulse number N=L/delta; S20, starting a device to enable the pop can to move along the conveying mechanism; S30, detecting whether the photoelectric detection mechanism starts an NG signal, if so, sending the NG signal to a PLC control system by the photoelectric detection mechanism, and immediately starting an internal counter by the PLC control system to identify the current product as an NG rejection product; S40, calculating the target pulse number according to the step S10, continuously sending pulse signals to the PLC by the encoder along with the movement of the conveyer belt, and accumulating the pulse number by an internal counter; S50, when the accumulated pulse value is consistent with the target pulse value, the NG rejection product reaches the quick rejection mechanism, and the quick rejection mechanism pushes the NG rejection product out of the conveying mechanism quickly; s60, conveying other products along a conveying mechanism normally.
4. The method for detecting and eliminating the can body deformation detecting and eliminating system according to claim 1, further comprising S70, wherein the product is subjected to height detection through a height limiting mechanism, and if the height of the pop can exceeds the normal height, the height limiting sensor sends out a height NG signal to eliminate the pop can with abnormal height.
5. The method for detecting and removing can body deformation detecting and removing system according to claim 3, wherein in said step S20, before "the starting means moves the can along the transporting means", it is detected whether each sensor is in a normal state.
6. The method for detecting and removing can body deformation detecting and removing system as claimed in claim 3, wherein in said step S20, the bottom of the pop can is placed upward and the high-speed U-shaped photoelectric sensor detects the protruding point of the can bottom when the starting device moves the pop can along the conveying mechanism.
7. The method for detecting and rejecting a can body deformation detecting and rejecting system as claimed in claim 3, wherein in said step S50, when "accumulated pulse value is consistent with target pulse number", the NG rejecting product reaches the quick rejecting mechanism, and when the quick rejecting mechanism pushes the NG rejecting product out of the conveying mechanism, the internal counter is reset immediately after rejecting is completed, and ready to receive the next NG signal.
8. The method of detecting and removing the can body deformation detecting and removing system according to claim 4, wherein in the step S70, when the height of the can body is detected by the height limiting mechanism, if the height of the can body exceeds the normal height, the height limiting sensor sends out a height NG signal, and when the abnormal height can body is removed, if the blocked can body exists at the height limiting sensor for more than 2 seconds, the method triggers the warning and reminding personnel to process, and simultaneously closes the conveying mechanism.
9. An electronic device is characterized by comprising a processor; a memory, and a program, wherein the program is stored in the memory and configured to be executed by a processor, the program comprising the method for any of claims 3-8.
10. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program is executed by a processor by a method according to any of the claims 3-8.

Description

Tank deformation detection and rejection system and method, electronic equipment and storage medium Technical Field The invention relates to a quality detection technology of a beverage packaging production line, in particular to a tank deformation detection and rejection system, a method, electronic equipment and a storage medium. Background At present, in the production process of pop can carbonated beverage, the filled product may have excessively high internal temperature due to high-temperature sterilization or cause gas in the can to escape and accumulate in a top gap due to excessively high CO2 content, so that the pressure in the can is increased. When the internal pressure exceeds the pressure-bearing limit of the tank body, the tank body is easy to expand and deform. In addition, if the aluminum material used for the tank body is too thin, uneven in stretching or has material defects, the pressure bearing capacity of the tank body can be reduced, and the tank is easy to expand and even leak at the weak part. The patent document with the application number of CN202011129342.5 discloses a full-automatic pop can cap stripping machine, which comprises a cap stripping machine main body, be provided with the direction conveying mechanism that can guarantee stable transportation of pop cans and can effectively reject out deformed pop cans in the cap stripping machine main body, direction conveying mechanism tip is provided with the rotary sorting mechanism that can carry out automatic sorting to the pop cans that pile together, this full-automatic pop can cap stripping machine, in order to be different from prior art, and then in the real-time use, can realize the automatic sorting feed of pop cans, in order to lighten staff's real-time working strength, guarantee to continuously shell and cover machining efficiency, and in-process of real-time feed, can carry out effectual detection rejection to deformed pop cans, guarantee real-time high quality automatic shell the pop cans, and can carry out high-efficient direction to real-time transportation process, the pop cans are ejected and blocked in the cap stripping machine main body when avoiding real-time transportation influence and shell the use. Patent document with application number of CN202311398326.X discloses a pop can packing device capable of detecting inferior products, which comprises a pop can first conveying line, a pop can second conveying line, a packing box conveying line, a first fixing support and a second fixing support, wherein the first fixing support is positioned on the pop can first conveying line, the pop can second conveying line and the packing box conveying line, lifting movement detection mechanisms are arranged on the first fixing support and the second fixing support, pop can guiding mechanisms are arranged on the first fixing support and the second fixing support, and the lifting movement detection mechanisms comprise a linear sliding table module, a lifting sliding table module, an outer frame, an oscillating part, a pop can fixing part and a detection part. The invention has the beneficial effects that the airtight detection can be carried out on the pop can beverage, whether the pop can beverage is intact is detected, so that all the intact pop can beverage enters the packaging box, the detection efficiency is improved, the detection precision is high, the packaging effect is improved, and the mutual collision deformation among the pop cans is avoided. The prior art is combined with the prior art to disclose the existing tank deformation detection and rejection system and the detection and rejection method thereof, which have the following defects: Currently, a production line mainly relies on liquid level detection equipment to screen unqualified products with insufficient liquid level based on an X-ray penetration principle. However, this device cannot effectively detect physical deformation of the can body due to excessive internal pressure. Meanwhile, the subsequent packaging working section also lacks an automatic detection means for the appearance of the tank body such as convex bottom and convex angle, can not screen and reject the deformed products, and has the product quality risk. Disclosure of Invention In order to overcome the defects of the prior art, the invention provides a tank deformation detection and rejection system and a detection and rejection method thereof, and solves the problems related to the tank deformation detection and rejection system and the detection and rejection method thereof. The invention provides a can deformation detection and rejection system which is used for detecting and rejecting pop cans and is characterized by comprising a conveying mechanism, a photoelectric detection mechanism, a quick rejection mechanism, a height limiting mechanism and a PLC control system, wherein the conveying mechanism comprises a conveying belt, a driving motor, an encoder and a plurality of transmi