Precision calibration method for length of printed labels

A calibration method and label technology, applied in printing devices, printing and other directions, can solve problems such as inability to calibrate, and achieve the effect of reducing printing errors and improving stability

Active Publication Date: 2017-07-18
菲码(江苏)智能科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the existing label printers, only the starting end of label printing is calibrated and positioned, so as to minimize the calibration of the accuracy of the starting position of a single label when the printer continuously prints labels, but this method still cannot calibrate the printing process of a single label The calibration of the printing points in the middle, the error still exists

Method used

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  • Precision calibration method for length of printed labels

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] According to the steps, set the length of the test print to 200mm in the factory mode of the printer, set the printing dot pitch of the stepper motor to 0.125mm and the subdivision drive number of the stepper motor to 4 for the stepper motor controller of the printer, so in When printing a label with a length of 200mm, the stepping motor of the printer needs to act 200*4 / 0.125=6400 times, that is, the total number of signal pulses that need to be sent to control the movement of the motor during printing is 6400.

[0034]In actual printing, the actual length printed by the printer is 195mm, and the difference between the set length and the standard length of 200mm is -5mm. There are 160 pulses included in the difference of -5mm, that is, to correct the difference of -5mm, it is necessary to change 160 pulses out of the total number of 6400 pulses. In order to avoid centralized correction errors, pulses will be used as correction units for adjustments. Then the stepper m...

Embodiment 2

[0037] According to the steps, set the length of the test print to 100mm in the factory mode of the printer, set the printing dot pitch of the stepper motor to 0.05mm and the subdivision drive number of the stepper motor to 8 for the stepper motor controller of the printer, so in When printing a label with a length of 100mm, the stepper motor of the printer needs to operate 100*8 / 0.05=16000 times, that is, the total number of signal pulses that need to be sent to control the movement of the motor is 16000 during printing.

[0038] In actual printing, the actual length printed by the printer is 103mm, and the difference between the set length and the standard length of 100mm is 3mm. There are 480 pulses included in the difference of 3 mm, that is, to correct the difference of 3 mm, it is necessary to change 480 pulses out of the total number of 16000 pulses. In order to avoid centralized correction errors, pulses will be used as correction units for adjustments. Then the stepp...

Embodiment 3

[0041] According to the steps, set the length of the test print to 50mm in the factory mode of the printer, set the printing dot pitch of the stepper motor to 0.1mm and the subdivision drive number of the stepper motor to 2 for the stepper motor controller of the printer, so in When printing a label with a length of 50mm, the stepper motor of the printer needs to operate 50*2 / 0.1=1000 times, that is, the total number of signal pulses that need to be sent to control the movement of the motor during printing is 1000.

[0042] In actual printing, the actual length printed by the printer is 50mm, and the difference between the standard length of 500mm and the set length is 0. Including 0 pulses in the difference value, that is, to correct the difference value of 0, it is necessary to change 0 pulses in the total number of 1000 pulses. The stepping motor is controlled as follows: Since the difference is 0, after any signal pulse is sent within the printing length, the stepping moto...

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Abstract

The invention relates to the technical field of printers, and discloses a precision calibration method for length of printed labels. The precision calibration method comprises the following steps of: setting test print length of a printer, calculating pulse number of a total signal for controlling a motor to move according to dot spacing and subdivision driving number of the step motor, comparing label length practically printed by the printer with standard length, calculating a difference value, and controlling the step motor to not act after signal pulse with a specific sequence number is emitted if the difference value is greater than 0; and controlling the step motor to act twice after the signal pulse with the specific sequence number is emitted if the difference value is smaller than 0. The precision calibration method for the length of the printed labels disclosed by the invention greatly reduces printing errors of a label printer, adopts an interpolation or extraction mode for motor action if the step motor is controlled at a plurality of specific pulses, greatly reduces label sample printing errors of the label printer while different label printers print the same label sample, and improves the stability of the printing effect of the printer.

Description

technical field [0001] The invention relates to the technical field of printers, in particular to an accuracy calibration method for printing label length. Background technique [0002] The stepper motor of the printer is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. As long as the number of input pulses of the stepping motor is changed, the mechanical displacement of the rotor of the stepping motor can be controlled; the direction of the mechanical displacement of the rotor of the stepping motor can be controlled by changing the phase sequence of the input pulse; changing the frequency of the input pulse number can It can control the speed of the stepping motor and realize stepless smooth control in a wide range, so it is widely used in CNC automation equipment such as printers. Among them, the paper feeding structure and character carriages of dot matrix printers mainly use stepper motors to provide p...

Claims

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Application Information

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IPC IPC(8): B41J15/00
CPCB41J15/00
Inventor 陈乃康王宜江赵娟
Owner 菲码(江苏)智能科技有限公司
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