Can marking detection device and marking scanning method thereof

Abstract

The present invention relates to a can marking detection device and a marking scanning method thereof, wherein the device comprises a mounting base plate, a bracket, a bearing mechanism, a laser marking mechanism, an infrared sensor, a scanning module and a control module, wherein the mounting base plate and the bracket are arranged in parallel, the bearing mechanism is fixedly mounted on the mounting panel, the laser marking mechanism is fixedly mounted on the bracket and is located above the bearing mechanism, the infrared sensor and the scanning module are mounted on the mounting base plate and are located below the bearing mechanism, and are used to detect or scan the cans carried on the bearing mechanism. The device structure marking scanning method provided by the present invention can fix the cans on the active rotating shaft and the driven rotating shaft of the bearing mechanism, and stably rotate under the action of the upper pressure roller to perform laser marking and quality inspection at the same time, with a fast marking speed, the pattern and color of the can body are not easy to fade, the anti-counterfeiting property is good, and at the same time, it will not cause pollution to the environment, and is environmentally friendly and clean.

Description

Technical Field

[0001] The invention relates to the field of laser marking, and in particular to a can marking detection device and a target scanning method of the device. Background Art

[0002] At present, in the production of cans, most of them use the traditional ink jet coding method to draw and color the can body of the can. However, with the passage of time, the color of the ink will fade, and the anti-counterfeiting property is not strong. The ink material causes pollution and does not meet the ROHSS standard.

[0003] At the same time, in the current traditional process, the cans after coding still need to be manually inspected, there is a problem of quality omissions, and it is quite time-consuming and labor-intensive, with low work efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide a can marking detection device that solves the problems of ink coding polluting the environment, easy fading, poor anti-counterfeiting and low production efficiency. Another purpose of the present invention is to provide a can marking detection device that can simultaneously perform can body marking and quality inspection. Marking scanning method.

[0005] The technical solution of the present invention is: a can marking detection device, which is special in that it includes a mounting base plate, a bracket, a carrying mechanism, a laser marking mechanism, an infrared sensor, a scanning module and a control module. The mounting base plate and the bracket are arranged in parallel, the carrying mechanism is fixed on the mounting panel, the laser marking mechanism is fixed on the bracket and is located above the carrying mechanism, the infrared sensor and the scanning module are installed on the mounting base plate and are located below the carrying mechanism, and are used to detect or scan the cans carried on the carrying mechanism.

[0006] Preferably: the supporting mechanism includes a left vertical plate and a right vertical plate opposite to each other on the mounting base plate, a driving shaft and a driven shaft passing through the left vertical plate and located below the right vertical plate for supporting the cans, a power component connected to the driving shaft and controlling the rotation of the driving shaft, an upper pressure roller installed between the left vertical plate and the right vertical plate through an elastic component, and a positioning cylinder fixed on the mounting base plate and located between the driving shaft and the driven shaft, wherein the piston rod of the positioning cylinder is initially in an extended state.

[0007] Preferably, the power assembly includes a driving motor fixed to a mounting base plate via a motor bracket, a worm connected to an output shaft of the driving motor, and a gear sleeved on the driving shaft and connected to the worm teeth.

[0008] As a preference: the top of the left vertical plate is concavely provided with two sliding grooves, the two sliding grooves are symmetrical about the longitudinal center axis of the left vertical plate, a plurality of fixing screw holes are evenly penetrated on the longitudinal center axis, and the right vertical plate has the same structure as the left vertical plate;

[0009] The elastic component includes a spring bracket, a tension spring, and a spring fixing bolt. The spring bracket is slidably installed in the slide groove through the fixing bolt, and the spring fixing bolt is fixed on the fixing screw hole. One end of the tension spring is fixed to the spring bracket through a fixing piece, and the other end is sleeved on the spring fixing bolt. The upper pressure roller is connected to the spring bracket through the fixing bolt.

[0010] Preferably, the laser marking mechanism comprises a laser mounting device fixed on a bracket, a laser built into the laser mounting device, a data expansion mirror arranged at a light outlet of the laser mounting device, a galvanometer connected to the data expansion mirror, and a field mirror located below the galvanometer, wherein the light outlet of the field mirror is located above the supporting mechanism and is used for marking cans placed between the driving rotating shaft and the driven rotating shaft.

[0011] Preferably, the control module is a PLC controller, the infrared sensor and the scanning module are connected to the PLC controller, the PLC controller is connected to the drive motor, the laser and the positioning cylinder, and the PLC controller is connected to the PC signal via a cable.

[0012] Another technical solution of the present invention is: a marking scanning method of a can marking detection device, which is special in that it specifically includes the following steps:

[0013] ⑴ The staff leveled the installation base plate and preset the can quality calculation program into the PLC controller;

[0014] ⑵ The staff puts the cans to be marked and adjusts the fixing screw hole position of the spring fixing bolt according to the size of the cans to be marked;

[0015] ⑶ The infrared sensor detects the cans and transmits a signal to the PLC controller, which transmits a signal to the drive motor and the laser to start, and controls the piston rod of the positioning cylinder to retract, and the scanning module starts to scan the cans, and the cans rotate under the action of the active shaft;

[0016] (4) After the first set time, the PLC controller controls the drive motor and the laser to stop, and controls the positioning cylinder piston rod to extend and return to the initial state;

[0017] ⑸ The scanning module scans the marking pattern and transmits it to the PLC controller. The PLC controller compares it with the standard pattern through a preset software program to identify the quality of the marking pattern;

[0018] (6) The PLC controller outputs the comparison results to the PC for display.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] ⑴ The cans to be marked are placed in the device and can automatically rotate for laser marking and quality inspection at the same time, with fast processing speed and high efficiency;

[0021] (2) Because the cans are rotated and marked while in the device, rolling scanning is performed to quickly identify the QR code and barcode, and the detection efficiency is high. At the same time, the scanning module scans the pattern on the can body and transmits it to the PLC controller. The PLC controller compares the marking pattern with the standard pattern through a preset program and quickly identifies the quality of the marking pattern;

[0022] ⑶ This device uses laser to mark the can body. The pattern and color of the can body are not easy to fade, and the anti-counterfeiting performance is good. At the same time, it will not cause pollution to the environment and is environmentally friendly and clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention.

[0024] Main component symbols

[0025] DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings:

[0027] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more explicit definition of the protection scope of the present invention. The directional terms mentioned in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., are only referenced to the directions of the attached drawings. Therefore, the directional terms used are used to illustrate and understand the present invention, rather than to limit the present invention.

[0028] See also Figure 1 As shown, a can marking detection device includes a mounting base plate 1, a bracket 2, a bearing mechanism, a laser marking mechanism, an infrared sensor 5, a scanning module 6 and a control module, wherein the mounting base plate 1 and the bracket 2 are arranged in parallel;

[0029] The bearing mechanism includes a left vertical plate 31 and a right vertical plate 32 opposite to each other on the mounting base plate, a driving shaft 33 and a driven shaft 34 passing through the left vertical plate 31 and the right vertical plate 32 and located below for bearing cans, a power assembly drivingly connected to the driving shaft 33 and controlling the rotation of the driving shaft 33, an upper pressing roller 36 installed between the left vertical plate 31 and the right vertical plate 32 through an elastic assembly, and a positioning cylinder 37 fixedly installed on the mounting base plate 1 and located between the driving shaft 33 and the driven shaft 34, wherein the piston rod of the positioning cylinder 37 is in an extended state in an initial state;

[0030] The power assembly includes a driving motor 351 fixed to the mounting base plate 1 through a motor bracket, a worm 352 connected to the output shaft of the driving motor 351, and a gear 353 sleeved on the driving shaft 33 and connected to the teeth of the worm 352;

[0031] The top of the left vertical plate 31 is concavely provided with two slide grooves 311, and the two slide grooves 311 are symmetrical about the longitudinal center axis of the left vertical plate 31. A plurality of fixing screw holes 312 are evenly penetrated on the longitudinal center axis of the left vertical plate. The right vertical plate 32 has the same structure as the left vertical plate 31.

[0032] The elastic component includes a spring bracket 371, a tension spring 372, and a spring fixing bolt 373. The spring bracket 371 is slidably installed in the slide groove 311 through the fixing bolt. The spring fixing bolt 373 is fixed on the fixing screw hole 312. One end of the tension spring 372 is fixed to the spring bracket 371 through a bolt, and the other end is sleeved on the spring fixing bolt 373. The upper pressure roller 36 is connected to the spring bracket 371 on both sides through the fixing bolt.

[0033] The laser marking mechanism includes a laser mounting device 41 fixed on the bracket 2, a laser built into the laser mounting device 41, a digital expansion mirror 42 arranged at the light outlet of the laser mounting device 41, a galvanometer 43 connected to the digital expansion mirror 42, and a field mirror 44 located below the galvanometer 43. The light outlet of the field mirror 44 is located above the supporting mechanism and is used for marking cans placed between the driving rotating shaft 33 and the driven rotating shaft 34.

[0034] The infrared sensor 5 and the scanning module 6 are mounted on the mounting base plate 1 and are located below the carrying mechanism, and are used to detect or scan the cans carried on the carrying mechanism.

[0035] The control module is a PLC controller 7, the infrared sensor 5 and the scanning module 6 are controlled and connected to the PLC controller 7, the PLC controller 7 is controlled and connected to the drive motor 351, the laser, and the positioning cylinder 37, the PLC controller 7 is connected to the PC 8 through a cable 71, and the PC displays the quality calculated by the PLC controller.

[0036] The marking scanning method of the can marking detection device provided by the present invention specifically comprises the following steps:

[0037] ⑴ The staff leveled the installation base plate and preset the can quality calculation program into the PLC controller;

[0038] ⑵ The staff puts the cans to be marked and adjusts the fixing screw hole position of the spring fixing bolt according to the size of the cans to be marked;

[0039] ⑶ The infrared sensor detects the cans and transmits a signal to the PLC controller, which transmits a signal to the drive motor and the laser to start, and controls the piston rod of the positioning cylinder to retract, and the scanning module starts to scan the cans, and the cans rotate under the action of the active shaft;

[0040] (4) After 10 seconds, the PLC controller controls the drive motor and the laser to stop, and controls the positioning cylinder piston rod to extend and return to the initial state;

[0041] ⑸ The scanning module scans the marking pattern and transmits it to the PLC controller. The PLC controller compares it with the standard pattern through a preset software program to identify the quality of the marking pattern;

[0042] (6) The PLC controller outputs the comparison results to the PC for display.

[0043] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention should fall within the scope of the claims of the present invention.

Claims

1. A can marking detection device, characterized in that: It includes a mounting base, a bracket, a carrying mechanism, a laser marking mechanism, an infrared sensor, a scanning module and a control module. The mounting base and the bracket are arranged in parallel. The carrying mechanism is fixed on the mounting base. The laser marking mechanism is fixed on the bracket and located above the carrying mechanism. The infrared sensor and the scanning module are mounted on the mounting base and located below the carrying mechanism, and are used to detect or scan the cans carried on the carrying mechanism. The bearing mechanism comprises a left vertical plate and a right vertical plate opposite to each other on the mounting base plate, a driving shaft and a driven shaft passing through the left vertical plate and the right vertical plate and located below for bearing cans, a power component connected to the driving shaft and controlling the rotation of the driving shaft, an upper pressure roller installed between the left vertical plate and the right vertical plate through an elastic component, and a positioning cylinder fixed on the mounting base plate and located between the driving shaft and the driven shaft, wherein the piston rod of the positioning cylinder is in an extended state in an initial state; two slide grooves are concavely provided on the top of the left vertical plate, and the two slide grooves are symmetrical about the longitudinal center axis of the left vertical plate, and a plurality of fixing screw holes are evenly passed through the longitudinal center axis, and the right vertical plate has the same structure as the left vertical plate; The elastic component includes a spring bracket, a tension spring, and a spring fixing bolt. The spring bracket is slidably installed in the slide groove through the fixing bolt, and the spring fixing bolt is fixed on the fixing screw hole. One end of the tension spring is fixed to the spring bracket through a fixing piece, and the other end is sleeved on the spring fixing bolt. The upper pressure roller is connected to the spring bracket through the fixing bolt.

2. The can marking detection device according to claim 1, characterized in that: The power assembly comprises a driving motor fixed on a mounting base plate via a motor bracket, a worm connected to an output shaft of the driving motor, and a gear sleeved on a driving shaft and connected to teeth of the worm.

3. The can marking detection device according to claim 1, characterized in that: The laser marking mechanism includes a laser mounting device fixed on a bracket, a laser built into the laser mounting device, a data expansion mirror arranged at a light outlet of the laser mounting device, a galvanometer connected to the data expansion mirror, and a field mirror located below the galvanometer. The light outlet of the field mirror is located above the supporting mechanism and is used for marking cans placed between a driving rotating shaft and a driven rotating shaft.

4. The can marking detection device according to claim 1, characterized in that: The control module is a PLC controller, the infrared sensor and the scanning module are connected to the PLC controller, the PLC controller is connected to the driving motor, the laser, and the positioning cylinder, and the PLC controller is connected to the PC signal through a cable.

5. A marking scanning method for a can marking detection device according to claim 1, characterized in that: The specific steps include: ⑴ The staff leveled the installation base plate and preset the can quality calculation program into the PLC controller; ⑵ The staff puts the cans to be marked and adjusts the fixing screw hole position of the spring fixing bolt according to the size of the cans to be marked; ⑶ The infrared sensor detects the cans and transmits a signal to the PLC controller, which transmits a signal to the drive motor and the laser to start, and controls the piston rod of the positioning cylinder to retract, and the scanning module starts to scan the cans, and the cans rotate under the action of the active shaft; (4) After the first set time, the PLC controller controls the drive motor and the laser to stop, and controls the positioning cylinder piston rod to extend and return to the initial state; ⑸ The scanning module scans the marking pattern and transmits it to the PLC controller. The PLC controller compares it with the standard pattern through a preset software program to identify the quality of the marking pattern; (6) The PLC controller outputs the comparison results to the PC for display.

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