WO2020228254A1

WO2020228254A1 - Uv-led drying apparatus and method for smart identification of width of printed item

Info

Publication number: WO2020228254A1
Application number: PCT/CN2019/114358
Authority: WO
Inventors: 李康文
Original assignee: 深圳市聚超能电子科技有限公司
Priority date: 2019-05-16
Filing date: 2019-10-30
Publication date: 2020-11-19
Also published as: CN109955587A

Abstract

A UV-LED drying apparatus and method for smart identification of the width of a printed item, comprising a rack (110), light boxes (120, 130), UV-LED lamp pieces (170), a conveying roller group (150), and a drive apparatus, the UV-LED lamp pieces (170) being arranged in the light box (120), the drive apparatus being used for driving the conveying roller group (150) to rotate, the UV-LED lamp pieces (170) at least being divided into two groups, and each group of UV LED lamp pieces (170) being capable of being turned on/turned off respectively; and also comprising a width sensor (180) used for recognising the width of a printed item to be dried and a PLC controller (160), the PLC controller (160) controlling each group of UV-LED pieces (170) to turn on/turn off on the basis of the width recognised by the width sensor (180); by means of the width sensor (180) recognising the width of the printed item to be dried and the PLC controller (160) determining the setting values, the UV-LED lamp pieces are partially turned on/turned off, thereby reducing energy loss and consumption, and increasing the service life of the UV-LED lamp pieces.

Description

A UV-LED drying device and method for intelligently identifying the width of printed matter

Technical field

The invention relates to the technical field of printing and drying equipment, in particular to a UV-LED drying device and method for intelligently identifying the width of printed matter.

Background technique

The printing dryer is suitable for drying printing, product surface spray drying, electronic originals, thermosetting adhesives, thermosetting inks, inkjet, printing, clothing printing, printing and dyeing, food, etc. UV-LED curing lamp is a semiconductor light-emitting device that directly generates ultraviolet light. It is safer and more environmentally friendly than traditional light sources. Therefore, it is more and more used in printing and inkjet printing. Through professional design, UV-LED presents different shapes and different irradiance spots to meet the production needs of edge banding, printing and other fields.

When the existing printing and drying equipment is in use, the upper and lower double rollers are generally combined with UV-LED to bring the animal material for drying, and the UV-LED lamp is always in a high temperature condition, which causes the UV-LED to be easily damaged. Inconvenience to users. Moreover, the UV-LED lamp of the UV-LED dryer currently on the market adopts a fully-on and fully-off method. When the width of the printed matter to be dried is narrow, all the UV-LED lamp chips are processed in the open state, which causes energy waste and reduces the service life of the UV-LED lamp chips.

technical problem

The technical problem to be solved by the present invention is to provide a UV-LED drying device capable of intelligently identifying the width of printed matter that minimizes energy consumption and increases the service life of the UV-LED lamp.

Technical solutions

In order to solve the above technical problems, the technical solution adopted by the present invention is to provide a UV-LED drying device that intelligently recognizes the width of printed matter, including a frame, a light box, a UV-LED lamp, a feeding roller set, and a driving device. The UV-LED lamp is arranged in the light box, the driving device is used to drive the conveying roller group to rotate, the UV-LED lamp is divided into at least two groups, and each group of UV-LED lamp can be turned on/off separately It also includes a width sensor for identifying the width of the printed matter to be dried and a PLC controller. The PLC controller controls the opening/disconnection of each group of UV-LED lamps according to the width recognized by the width sensor; the light box The upper and lower covers are respectively provided with a ventilation device, and a power supply device is installed on the outside of the light box. The ventilation device, driving device, UV-LED lamp, width sensor and the electrical input end of the PLC controller are all connected with the power supply device The electrical output terminal of the power supply device is connected through a wire, and the electrical input terminal of the power supply device is connected with an external power source through a wire.

Preferably, the middle group of the UV-LED lamp pieces are fixedly opened. …

Preferably, the UV-LED lamp slices are divided into three groups, the two adjacent UV-LED lamp slices in the middle are the first group, and the UV-LED lamp slices separated by the first group are the second group respectively. Group, the third group.

Preferably, an automatic temperature alarm device is also provided in the light box, which automatically alarms when the temperature exceeds a preset value.

... The present invention also provides a UV-LED drying method for intelligently identifying the width of printed matter, which includes the steps of dividing the UV-LED lamp pieces into at least two groups, and each group of UV-LED lamp pieces can be opened/disconnected separately; When the printed matter to be dried is dried, it is judged to turn on/off a part of the UV-LED lamp group according to the width of the printed matter to be dried. The judgment of the width of the printed matter to be dried includes the following steps:

S10). Use the PLC controller to set and initialize the width of the printed matter to be dried to determine whether the UV-LED lamp group is on/off;

S11) Use the width sensor to obtain the width of the current printed matter to be dried;

S12). Compare the width of the current printed matter to be dried with the set width, if it is greater than the width, execute step S13, if less than or equal to, execute step S14;

S13), turn on the second set of UV-LED lamp;

S14). Disconnect the second set of UV-LED lamps.

Preferably, the UV-LED lamp pieces are divided into three groups, and one or two groups of UV-LED lamp pieces are judged to be turned on according to the width of the printed matter to be dried obtained by the width sensor.

Preferably, the two adjacent UV-LED lamp pieces in the middle are divided into a first group, and the UV-LED lamp pieces sequentially separated by the first group are respectively the second group and the third group.

Preferably, the first group of UV-LED lamp pieces are fixedly opened, and the other two groups of UV-LED lamp pieces are judged to turn on/off according to the width of the printed matter to be dried obtained by the width sensor.

Beneficial effect

The beneficial effect of the present invention is that the width of the printed matter to be dried is recognized by the width sensor and the PLC controller setting value is judged, and the UV-LED lamp set is partially turned on/off, thereby reducing energy consumption and improving the UV-LED lamp The service life of the film.

Description of the drawings

Figure 1 is a three-dimensional view of a UV-LED drying device for intelligently identifying the width of printed matter according to the present invention;

Figure 2 is a second perspective view of a UV-LED drying device for intelligently identifying the width of printed matter according to the present invention;

Fig. 3 is a right view of a UV-LED drying device for intelligently identifying the width of printed matter according to the present invention;

4 is a schematic diagram of the internal structure of a UV-LED drying device for intelligently identifying the width of printed matter according to the present invention;

Fig. 5 is a flowchart of a UV-LED drying method for intelligently identifying the width of printed matter according to the present invention.

Label description:

110. Rack; 120. The first cabinet; 121. The ventilation device; 130. The second cabinet;

131. Power supply device; 132. Heat dissipation device; 140. Fixed components;

150. Conveying roller group; 160, PLC controller; 170, UV-LED lamp;

180. Width sensor.

Embodiments of the invention

In order to describe in detail the technical content, the achieved purpose and the effect of the present invention, the following description will be given in conjunction with the embodiments and the accompanying drawings.

The most critical idea of the present invention is to identify the width of the printed matter to be dried by the width sensor and determine the setting value of the PLC controller, and partially turn on/off the UV-LED lamp set, thereby reducing energy consumption and improving UV-LED The service life of the lamp.

Please refer to FIG. 1 to FIG. 4, a UV-LED drying device that intelligently recognizes the width of printed matter, including a frame 110, a light box, a UV-LED lamp 170, a feeding roller group 150, and a driving device. In an embodiment, the light box is divided into a first box body 120 and a second box body 130. The UV-LED light sheet 170 is arranged in the first box 120, and the driving device is used to drive the conveying roller set 150 to rotate, and the driving device may be electric or pneumatic. It also includes a width sensor 180 for identifying the width of the printed matter to be dried and the PLC controller 160. The UV-LED lamp film 170 is divided into at least two groups, and the grouping method is not limited. It can be set according to actual needs, for example, 3 UV -LED lights are sequentially numbered 1, 2, and 3 into two groups, number 2 is the first group, number 1, 3 is the combination of the second group, each group of UV-LED lights 170 can be turned on/off separately The PLC controller 160 controls the opening/closing of each group of UV-LED light sheets 170 according to the width recognized by the width sensor 180; for example, the preset initialization value in the PCT controller 180 is when the width of the to-be-printed product is 0-100 mm, One group of UV-LED lamps is turned on, and the other group of UV-LED lamps is disconnected. When the width of the product to be printed is 100-300 mm, both sets of UV-LED lamps are turned on. When working, the printed matter to be dried enters the box through the feeding roller set, and the width sensor 180 recognizes the width of the printed matter to be dried and transmits data to the PLC controller, and the PLC controller starts the UV-LED lamp set to turn on/off according to the data.

An air exhaust device 121 is provided under the first box body 120 of the light box. Specifically, the air exhaust device may be an exhaust fan. The upper cover of the second box body 130 of the light box is provided with a heat dissipation device 132, and the heat dissipation device may be a heat dissipation fan. As shown in FIG. 3, a power supply device 131, a ventilation device 121, a heat dissipation device 132, a driving device, a UV-LED lamp 170, a width sensor 180, and electrical input terminals of the PLC controller 160 are installed on the outside of the second light box 130 Both are connected to the electrical output end of the power supply device 131 through wires, and the electrical input end of the power supply device 131 is connected to the external power source through wires.

It can be seen from the above description that the beneficial effects of the present invention are: the width sensor recognizes the width of the printed matter to be dried and the PLC controller setting value for judgment, partially turns on/off the UV-LED lamp set, thereby reducing energy consumption, and Improve the service life of UV-LED lamps. At the same time, the power supply device is arranged on the outer side wall of the drying equipment, reducing the heat in the light box. Further, an exhaust device is arranged under the first box body to accelerate air convection, and the upper cover of the second box body is provided with a heat dissipation device to speed up heat dissipation and more effectively provide the service life of the UV-LED lamp.

Further, it is preferable to divide the UV-LED lamp pieces 170 into three groups, the two adjacent UV-LED lamp pieces in the middle are the first group, and the first group of UV-LED lamp pieces in turn form the second group and the second group. Three groups. For example, the 6 side-by-side UV-LED lights are numbered 1, 2, 3, 4, 5, and 6 into three groups, the middle number 3 and 4 are the first group, and the number 2, 5 is the second group. Numbers 1 and 6 are the third group. For example, the preset initialization value in the PCT controller 180 when the width of the printed matter to be dried is 0-100 mm, where the first set of UV-LED lamp pieces is turned on, and the other UV-LED lamp pieces are disconnected; when the width of the printed matter to be dried When the thickness is 100-200 mm, the first and second sets of UV-LED lamps are turned on, and the third set of UV-LED lamps is disconnected; when the width of the printed matter to be dried is 200-300 mm, the three sets of UV-LED The lamp groups are all turned on. When working, the printed matter to be dried enters the box through the feeding roller set, and the width sensor 180 recognizes the width of the printed matter to be dried and transmits data to the PLC controller, and the PLC controller starts the UV-LED lamp set to turn on/off according to the data.

It can be seen from the above description that the UV-LED lamp is divided into three groups to optimize the opening/disconnection of the lamp group and fully save energy.

Furthermore, the middle group of UV-LED lamps is fixed and opened. For example, the width sensor 180 recognizes whether the width of the printed matter to be dried is less than 100mm or between 100~300mm, the first group of UV-LED lamps is fixed and needs to be opened. .

It can be seen from the above description that the middle group of UV-LEDs is fixedly turned on, which reduces the number of times that the UV-LEDs are turned on/off and further improves the service life.

Further, an automatic temperature alarm device is also provided in the light box, which automatically alarms when the temperature exceeds a preset value.

From the above description, it can be seen that when the temperature exceeds the preset value, it will automatically alarm, thereby protecting the UV-LED lamp from burnout.

In summary, the present invention provides a UV-LED drying device that intelligently recognizes the width of printed matter. The width of the printed matter to be dried is identified by the width sensor and the PLC controller setting value is judged, and the UV-LED is turned on/off. LED lamp group, thereby reducing energy consumption, and improve the service life of UV-LED lamp. At the same time, the power supply device is arranged on the outer side wall of the drying device to reduce the heat in the light box. Further, an exhaust device is arranged under the first box body to accelerate air convection, and the upper cover of the second box body is provided with a heat dissipation device to speed up heat dissipation and further improve the service life of the UV-LED lamp. Divide the UV-LED lamp into three groups, optimize the on/off combination of the UV-LED lamp group, and fully save energy. The middle group of UV-LED lamps are fixedly turned on, which reduces the number of opening/disconnection of UV-LED lamps and increases the service life. When the temperature exceeds the preset value, it will automatically alarm to protect the UV-LED lamp from burnout.

As shown in Figure 5, the present invention also provides a UV-LED drying method for intelligently identifying the width of printed matter, which includes dividing the UV-LED lamp into at least two groups, and each group of UV-LED lamp can be turned on/off respectively. It also includes the step of opening/disconnecting part of the UV-LED lamp set according to the width of the printed matter to be dried when drying the printed matter to be dried,

The judgment of the width of the printed matter to be dried includes the following steps:

S13), turn on part of the UV-LED lamp set;

S14), disconnect part of the UV-LED lamp group.

In this embodiment, the UV-LED lamp chips 170 are divided into two groups, and the grouping method is not limited, and can be set according to actual needs. For example, three UV-LED lamp chips are numbered 1, 2, and 3 side by side into two groups. Group, number 2 is the first group, and numbers 1 and 3 are the combination of the second group. The PLC controller 160 controls the on/off of each group of UV-LED light pieces 170 according to the width recognized by the width sensor 180; for example, In step S10, the preset initialization value in the PLC controller 180 is when the width of the to-be-printed product is 0-100 millimeters, wherein the first group of UV-LED lights is turned on, and the second group of UV-LED lights is turned off. When the width of the product to be printed is 100-300 mm, both sets of UV-LED lamps are turned on. When working, the printed matter to be dried enters the box through the feeding roller set, and the width sensor 180 recognizes the width of the printed matter to be dried and transmits data to the PLC controller, and the PLC controller starts the UV-LED lamp set to turn on/off according to the data.

Further, the UV-LED lamp pieces are divided into three groups, and one, two or three groups of UV-LED lamp pieces are judged to be turned on according to the width of the printed matter to be dried obtained by the width sensor. In this embodiment, it is preferable to divide the UV-LED lamp chips 170 into three groups, the two adjacent UV-LED lamp chips in the middle are the first group, and the UV-LED lamp chips in the first group are the second group respectively. ,The third group. For example, the 6 side-by-side UV-LED lights are numbered 1, 2, 3, 4, 5, and 6 into three groups, the middle number 3 and 4 are the first group, and the number 2, 5 is the second group. Numbers 1 and 6 are the third group. For example, the preset initialization value in the PCT controller 180 when the width of the printed matter to be dried is 0-100 mm, where the first set of UV-LED lamp pieces is turned on, and the other UV-LED lamp pieces are disconnected; when the width of the printed matter to be dried When the thickness is 100-200 mm, the first and second sets of UV-LED lamps are turned on, and the third set of UV-LED lamps is disconnected; when the width of the printed matter to be dried is 200-300 mm, the three sets of UV-LED The lamp groups are all turned on. When working, the printed matter to be dried enters the box through the feeding roller group, and the width sensor 180 recognizes the width of the printed matter to be dried and transmits data to the PLC controller, and the PLC controller initiates the opening/disconnection step of the UV-LED lamp group according to the data.

Further, the first set of UV-LED lamp pieces is fixedly opened, and the step of opening/disconnecting another set of UV-LED lamp pieces is determined according to the width of the printed matter to be dried obtained by the width sensor.

The above are only the embodiments of the present invention and do not limit the scope of the present invention. Any equivalent transformations made using the content of the description and drawings of the present invention, or directly or indirectly applied in related technical fields, are included in the same way Within the scope of patent protection of the present invention.

To

Claims

A UV-LED drying device that intelligently recognizes the width of printed matter, including a frame, a light box, a UV-LED light sheet, a feeding roller set, and a driving device. The UV-LED light sheet is arranged in the light box, and the driving device It is used to drive the conveying roller group to rotate, and is characterized in that: the UV-LED lamp pieces are divided into at least two groups, and each group of UV-LED lamp pieces can be turned on/off separately, and also includes a width sensor for identifying the to-be-baked The width of the dry printed matter and the PLC controller, the PLC controller controls the opening/disconnection of each group of UV-LED lamp according to the width recognized by the width sensor; the upper and lower covers of the light box are respectively equipped with exhaust devices, A power supply device is installed on the outside, and the electrical input terminals of the ventilation device, the driving device, the UV-LED lamp sheet, the width sensor, and the PLC controller are all connected to the electrical output terminal of the power supply device through wires. The electrical input terminal of the power supply device is connected with the external power source through a wire.
The UV-LED drying device for intelligently identifying the width of printed matter according to claim 1, wherein the UV-LED lamp slices are divided into three groups, and the two adjacent UV-LED lamp slices in the middle are It is the first group, and the UV-LED lamp pieces separated by the first group are the second group and the third group respectively.
The UV-LED drying device for intelligently identifying the width of printed matter according to claim 1, wherein the middle group of the UV-LED lamp pieces are fixedly opened.
The UV-LED drying device for intelligently identifying the width of printed matter according to claim 1, wherein the light box is also provided with an automatic temperature alarm device, which automatically alarms when the temperature exceeds a preset value.
A UV-LED drying method for intelligently identifying the width of printed matter is characterized in that it includes the steps of dividing the UV-LED lamp pieces into at least two groups, and each group of UV-LED lamp pieces can be opened/disconnected separately; When the printed matter to be dried is dried, it is judged to turn on/off a part of the UV-LED lamp group according to the width of the printed matter to be dried. The judgment of the width of the printed matter to be dried includes the following steps:

S10). Use the PLC controller to set and initialize the width of the printed matter to be dried to determine whether the UV-LED lamp group is on/off;

S11) Use the width sensor to obtain the width of the current printed matter to be dried;

S12). Compare the width of the current printed matter to be dried with the set width, if it is greater than the width, execute step S13, if less than or equal to, execute step S14;

S13), turn on part of the UV-LED lamp set;

S14), disconnect part of the UV-LED lamp group.
The UV-LED drying method for intelligently identifying the width of printed matter according to claim 5, wherein the UV-LED lamp is divided into three groups, and the middle adjacent UV-LED lamp is The first group judges the step of turning on one, two or three sets of UV-LED light pieces according to the width of the printed matter to be dried obtained by the width sensor.
The UV-LED drying method for intelligently identifying the width of printed matter according to claim 6, wherein the first set of UV-LED lamp pieces are fixed and opened, and the width of the printed matter to be dried obtained by the width sensor is fixed. To determine the steps of opening/disconnecting another UV-LED lamp set.