CN215321413U - Printing packaging box printing ink drying device - Google Patents
Printing packaging box printing ink drying device Download PDFInfo
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- CN215321413U CN215321413U CN202120578231.6U CN202120578231U CN215321413U CN 215321413 U CN215321413 U CN 215321413U CN 202120578231 U CN202120578231 U CN 202120578231U CN 215321413 U CN215321413 U CN 215321413U
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Abstract
The utility model discloses a printing packaging box printing ink drying device which comprises a drying box, wherein a temperature detection unit and a temperature control unit are arranged in the drying box, the temperature detection unit comprises an infrared temperature acquisition circuit, a band-pass filter circuit and a voltage stabilization filter circuit, the surface drying temperature of a printing packaging box is directly measured through an infrared temperature sensor, so that the temperature detection is closer to a true value, the response speed is high, the temperature detection unit is designed to process a detection signal of the infrared temperature sensor, clutter interference caused by external illumination is effectively avoided, and the temperature detection precision is improved. The controller obtains the surface drying real-time temperature of the printing packaging box after analyzing and calculating the output signal waveform of the temperature detection unit, and realizes the adjustment of the drying temperature by adjusting the power of the air heater, so that the temperature control is accurate and effective, the printing packaging box is in the best drying temperature environment, and the ink drying effect is improved.
Description
Technical Field
The utility model relates to the technical field of packaging box printing production equipment, in particular to a printing ink drying device for a printing packaging box.
Background
The existing packaging box printing machine is easy to have irregular printing in the printing process, so that missing printing on the packaging box is caused, the paper box batch number which is not dried exists in the printing process, and the batch number is unclear when the paper box batch number is contacted with other packaging boxes, so that the printing ink for printing the packaging box is required to be dried. The existing drying device is usually provided with a platinum temperature probe in a drying box to collect the temperature on a packaging box, but the platinum temperature probe has the defect of slow response speed under the condition of high-speed production, so that the temperature detection cannot be accurately reflected in real time, and the ink drying effect is influenced.
The present invention provides a new solution to this problem.
SUMMERY OF THE UTILITY MODEL
In view of the above situation, the present invention provides an ink drying device for a print package box, which overcomes the drawbacks of the prior art.
The technical scheme for solving the problem is as follows: the utility model provides a printing packaging box printing ink drying device, includes the stoving case, is provided with temperature detecting element and temperature control unit in the stoving case, temperature detecting element includes infrared temperature acquisition circuit, band-pass filter circuit and steady voltage filter circuit, infrared temperature acquisition circuit includes infrared temperature sensor, infrared temperature sensor's signal output part passes through resistance R1 and connects the one end of electric capacity C1 and fortune and puts the inverting input of AR1, and electric capacity C1's other end ground connection, fortune are put the non inverting input of AR1 and are connected +3V power, and fortune is put the output of AR1 and is connected band-pass filter circuit's input, band-pass filter circuit's output is connected steady voltage filter circuit's input, steady voltage filter circuit's output is connected the temperature control unit.
Further, the band-pass filter circuit comprises an operational amplifier AR2, an inverting input terminal of the operational amplifier AR2 is connected with one end of a resistor R3 and one end of a capacitor C3, the other end of the capacitor C3 is connected with one end of a resistor R2 and one end of a capacitor C2, the other end of the resistor R2 is connected with an output terminal of the operational amplifier AR1, the other end of the resistor R3 and the other end of the capacitor C2 are connected with an output terminal of the operational amplifier AR2, and a non-inverting input terminal of the operational amplifier AR2 is connected with a +3V power supply.
Further, the voltage-stabilizing filter circuit comprises a triode T1, the collector of the triode T1 is connected with the output end of the operational amplifier AR2 and one end of the resistor R4, the base of the triode T1 is connected with the other end of the band stop R4 and the cathode of the zener diode DZ1, the anode of the zener diode DZ1 is grounded, the emitter of the triode T1 is connected with one end of the capacitor C4 and the temperature control unit through the inductor L1, and the other end of the capacitor C4 is grounded.
Furthermore, the temperature control unit comprises a controller and a hot air blower, wherein the input end of the controller is connected with one end of the capacitor C1, and the output end of the controller is connected with the control end of the hot air blower.
Through the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the infrared temperature sensor is used for directly measuring the surface drying temperature of the printed packaging box, so that the temperature detection is closer to a true value, the response speed is high, the temperature detection unit is designed for processing the detection signal of the infrared temperature sensor, clutter interference caused by external illumination is effectively avoided, and the temperature detection precision is improved.
2. The controller obtains the surface drying real-time temperature of the printing packaging box after analyzing and calculating the output signal waveform of the temperature detection unit, and realizes the adjustment of the drying temperature by adjusting the power of the air heater, so that the temperature control is accurate and effective, the printing packaging box is in the best drying temperature environment, and the ink drying effect is improved.
Drawings
FIG. 1 is a schematic circuit diagram of a temperature detecting unit according to the present invention.
Detailed Description
The foregoing and other technical and scientific aspects, features and utilities of the present invention will be apparent from the following detailed description of the embodiments, which is to be read in connection with the accompanying drawings of fig. 1. The structural contents mentioned in the following embodiments are all referred to the attached drawings of the specification.
Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.
The utility model provides a printing packaging box printing ink drying device, includes the stoving case, and stoving incasement is provided with temperature detecting element and temperature control unit, and temperature detecting element includes infrared temperature acquisition circuit, band-pass filter circuit and steady voltage filter circuit. Infrared temperature acquisition circuit includes infrared temperature sensor J1, infrared temperature sensor J1's signal output part passes through resistance R1 and connects electric capacity C1's one end and fortune and puts ware AR 1's inverting input, and electric capacity C1's other end ground connection, fortune are put the homophase input of ware AR1 and are connected +3V power, and fortune is put the output of ware AR1 and is connected band-pass filter circuit's input, band-pass filter circuit's output is connected voltage stabilizing filter circuit's input, voltage stabilizing filter circuit's output is connected the temperature control unit.
The band-pass filter circuit comprises an operational amplifier AR2, the inverting input end of the operational amplifier AR2 is connected with one ends of a resistor R3 and a capacitor C3, the other end of the capacitor C3 is connected with one ends of a resistor R2 and a capacitor C2, the other end of the resistor R2 is connected with the output end of the operational amplifier AR1, the other ends of a resistor R3 and the capacitor C2 are connected with the output end of the operational amplifier AR2, and the non-inverting input end of the operational amplifier AR2 is connected with a +3V power supply.
The voltage-stabilizing filter circuit comprises a triode T1, the collector of the triode T1 is connected with the output end of the operational amplifier AR2 and one end of the resistor R4, the base of the triode T1 is connected with the other end of the band elimination R4 and the cathode of the voltage-stabilizing diode DZ1, the anode of the voltage-stabilizing diode DZ1 is grounded, the emitter of the triode T1 is connected with one end of the capacitor C4 and the temperature control unit through the inductor L1, and the other end of the capacitor C4 is grounded.
When the temperature detection device is used specifically, the infrared temperature sensor J1 is used for directly measuring the surface drying temperature of the printed packaging box, so that the temperature detection is closer to a true value, and the response speed is high. In order to avoid clutter interference caused by external illumination on a detection signal of the infrared temperature sensor, the temperature detection unit is designed to process the infrared detection signal. Firstly, the infrared temperature acquisition circuit adopts RC filtering to carry out low-pass noise reduction on an infrared temperature detection signal, and then the infrared temperature detection signal is sent into an operational amplifier AR1 to be primarily amplified. A band-pass filter consisting of the operational amplifier AR2 and the RC element in the band-pass filter circuit accurately filters the infrared temperature detection signal, so that the interference of the impurity frequency signal is well eliminated, and the influence of external illumination is avoided. Triode T1, resistance R4 and zener diode DZ1 form the triode stabiliser among the steady voltage filter circuit and carry out the amplitude to the output signal of fortune ware AR2 and stabilize, have greatly promoted infrared detection signal's stability, send into the temperature control unit after by LC filtering at last.
When the temperature control unit is specifically arranged, the temperature control unit comprises a controller and an air heater, the input end of the controller is connected with one end of the capacitor C1, and the output end of the controller is connected with the control end of the air heater. The controller obtains the surface drying real-time temperature of the printing packaging box after analyzing and calculating the output signal waveform of the temperature detection unit, and realizes the adjustment of the drying temperature by adjusting the power of the air heater, so that the temperature control is accurate and effective, the printing packaging box is in the best drying temperature environment, and the ink drying effect is improved.
While the utility model has been described in further detail with reference to specific embodiments thereof, it is not intended that the utility model be limited to the specific embodiments thereof; for those skilled in the art to which the present invention pertains and related technologies, the extension, operation method and data replacement should fall within the protection scope of the present invention based on the technical solution of the present invention.
Claims (4)
1. The utility model provides a printing packaging box printing ink drying device, includes the stoving case, and stoving incasement is provided with temperature detecting element and temperature control unit, its characterized in that: the temperature detecting unit includes infrared temperature acquisition circuit, band-pass filter circuit and steady voltage filter circuit, infrared temperature acquisition circuit includes infrared temperature sensor, infrared temperature sensor's signal output part passes through resistance R1 and connects the one end of electric capacity C1 and fortune and puts the inverting input of ware AR1, and electric capacity C1's other end ground connection, fortune are put the homophase input of ware AR1 and are connected +3V power, and fortune is put the output of ware AR1 and is connected band-pass filter circuit's input, band-pass filter circuit's output is connected steady voltage filter circuit's input, steady voltage filter circuit's output is connected the temperature control unit.
2. The printing package box ink drying device of claim 1, characterized in that: the band-pass filter circuit comprises an operational amplifier AR2, the inverting input end of the operational amplifier AR2 is connected with one end of a resistor R3 and one end of a capacitor C3, the other end of the capacitor C3 is connected with one end of a resistor R2 and one end of a capacitor C2, the other end of the resistor R2 is connected with the output end of the operational amplifier AR1, the other ends of a resistor R3 and the capacitor C2 are connected with the output end of the operational amplifier AR2, and the non-inverting input end of the operational amplifier AR2 is connected with a +3V power supply.
3. The printing package box ink drying device of claim 2, characterized in that: the voltage-stabilizing filter circuit comprises a triode T1, the collector of the triode T1 is connected with the output end of an operational amplifier AR2 and one end of a resistor R4, the base of the triode T1 is connected with the other end of a band stop R4 and the cathode of a voltage-stabilizing diode DZ1, the anode of the voltage-stabilizing diode DZ1 is grounded, the emitter of the triode T1 is connected with one end of a capacitor C4 and the temperature control unit through an inductor L1, and the other end of the capacitor C4 is grounded.
4. A print pack ink drying apparatus according to any one of claims 1 to 3, characterised in that: the temperature control unit comprises a controller and an air heater, wherein the input end of the controller is connected with one end of a capacitor C1, and the output end of the controller is connected with the control end of the air heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578231.6U CN215321413U (en) | 2021-03-22 | 2021-03-22 | Printing packaging box printing ink drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578231.6U CN215321413U (en) | 2021-03-22 | 2021-03-22 | Printing packaging box printing ink drying device |
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| Publication Number | Publication Date |
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| CN215321413U true CN215321413U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120578231.6U Active CN215321413U (en) | 2021-03-22 | 2021-03-22 | Printing packaging box printing ink drying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801465A (en) * | 2022-01-08 | 2022-07-29 | 河南宝钢制罐有限公司 | Printing quality control system for pop-top can |
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2021
- 2021-03-22 CN CN202120578231.6U patent/CN215321413U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801465A (en) * | 2022-01-08 | 2022-07-29 | 河南宝钢制罐有限公司 | Printing quality control system for pop-top can |
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