CN211843661U - Flexographic printing equipment drying waste heat utilization device - Google Patents

Abstract

The utility model relates to the field of printing equipment, in particular to a drying waste heat utilization device of flexible printing equipment, comprising an ink tank, a drying mechanism, a first communication pipe and an exhaust fan; the ink tank provides an ink source for a printing unit; A drying mechanism is set at the end and near the substrate; the drying mechanism includes a drying shell, a hot air blower, and an inlet and outlet channel. The air outlet end of the hot air blower is communicated with the inner cavity of the drying shell; one end of the first communication pipe is communicated with the ink tank, and the other end is communicated with the inner cavity of the drying shell; an exhaust fan is arranged on the first communication pipe. Through this device, the residual heat in the drying hot air is used to heat/insulate the ink material, thereby reducing the influence of the temperature reduction of the ink material on the printing quality, and at the same time improving the energy utilization rate, saving energy and protecting the environment. The heat exchange effect reduces the influence on the ink material.

Description

Flexographic printing equipment drying waste heat utilization device

technical field

The utility model relates to the field of printing equipment, in particular to the technical field of the structure of a drying waste heat utilization device of flexible printing equipment.

Background technique

In the working process of flexible printing equipment, the viscosity of ink raw materials directly affects the quality of printing, and temperature is an important factor affecting the viscosity of ink, so it is necessary to control the temperature of ink raw materials; and in winter or When the ventilation temperature of the indoor operation air conditioner is low, the viscosity of the ink will increase, which will affect the printing quality.

Utility model content

The purpose of the utility model is to provide a drying waste heat utilization device for flexible printing equipment, which utilizes the excess hot air generated when the substrate is dried to be introduced into the ink tank to keep the ink warm, save energy, and reduce the amount of heat caused by changes in the temperature of the ink. A phenomenon that affects the quality of printing.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions:

The drying waste heat utilization device of the flexible printing equipment includes an ink tank, a drying mechanism, a first communication pipe and an exhaust fan; the ink tank provides an ink source for the printing unit; a drying mechanism is set at the discharge end of the printing unit 8 and near the substrate ; The drying mechanism includes a drying shell, a hot air blower, and an inlet and outlet channel. The drying shell is a hollow cavity-type shell. The bottom and top of the drying shell are respectively provided with inlet and outlet channels for the in and out of the substrate; the air outlet of the hot air blower is connected to the The inner cavity of the drying shell is communicated; one end of the first communication pipe is communicated with the ink tank, and the other end is communicated with the inner cavity of the drying shell; an exhaust fan is arranged on the first communication pipe.

Further, the side wall of the tank body of the ink tank is a hollow cavity structure, and the first communication pipe communicates with the side wall cavity of the tank body.

Further, a heat dissipation pipe is arranged in the side wall of the tank body, and the first communication pipe is communicated with the air intake end of the heat dissipation pipe.

Further, the air outlet end of the hot air blower is communicated with the bottom of the drying shell, and the first communication pipe is communicated with the top of the drying shell.

Further, the device also includes a PLC controller and a temperature sensor, a temperature sensor is arranged in the ink tank, the temperature sensor is electrically connected to the signal input end of the PLC controller, and the exhaust fan is electrically connected to the output control end of the PLC controller. .

Further, the device also includes a second communication pipe and a storage chamber; one end of the second communication pipe is communicated with the air outlet end of the tank body, and the other end is communicated with the bottom of the storage chamber.

Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

1. Through this device, the residual heat in the drying hot air is used to heat/insulate the ink material, thereby reducing the influence of the lowering of the ink material temperature on the printing quality, and at the same time improving the energy utilization rate, saving energy and protecting the environment.

2. Set up interlayer and cavity-type tank to improve the heat exchange effect and reduce the impact on the ink material.

3. Set up a temperature control mechanism to ensure that the ink material is at a relatively good operating temperature and improve the use effect.

Description of drawings

Figure 1 is a schematic structural diagram of the utility model.

FIG. 2 is a schematic structural diagram of the drying mechanism in the utility model.

FIG. 3 is a schematic structural diagram of FIG. 2 from another perspective.

In the figure: 1 - ink tank; 11 - tank body; 12 - heat pipe; 2 - drying mechanism; 21 - drying shell; 22 - hot air blower; Connecting pipe; 4-exhaust fan; 5-PLC controller; 6-temperature sensor; 7-storage room; 8-printing unit; 9-tension roller; 10-substrate.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

Example 1:

As shown in Figures 1 to 3, the drying waste heat utilization device of the flexible printing equipment includes an ink tank 1, a drying mechanism 2, a first communication pipe 31 and an exhaust fan 4; the ink tank 1 provides an ink source for the printing unit 8; A drying mechanism 2 is provided at the discharge end of the unit 8 and near the substrate 10; the drying mechanism 2 includes a drying shell 21, a hot air blower 22, and an inlet and outlet channel 23. The drying shell 21 is a hollow cavity type shell, and the drying shell The bottom and top of 21 are respectively provided with inlet and outlet passages 23 for the entry and exit of the substrate 10; the air outlet end of the hot air blower 22 is communicated with the inner cavity of the drying shell 21; one end of the first communication pipe 31 is communicated with the ink tank 1, and the other end is communicated with The inner cavity of the drying shell 21 is communicated; an exhaust fan 4 is arranged on the first communication pipe 31 .

The ink tank 1 contains ink raw materials to provide printing ink material for the printing unit 8. The printing unit 8 includes necessary printing facilities such as ink rollers, anilox transfer rollers, printing plate rollers and pressure rollers, which are not improved by this patent. The technical content is conventional prior art, and will not be repeated here; the printed substrate after printing is conveyed by the tension roller 9, passed through the drying shell 21, and dried, and the hot air blower 22 is transported into the drying shell 21. The hot air containing a certain amount of heat quickly dries the substrates located in/passing through the drying shell 21, and the excess hot air in the drying shell 21 is introduced into the ink tank 1 by the exhaust fan 4 to provide heat exchange heat for the ink raw materials , to heat or keep the ink warm, thereby reducing the ink temperature and causing poor printing.

Example 2:

As shown in FIGS. 1-3 , for the above embodiments, the present embodiment optimizes the structure of the ink tank.

The side wall of the tank body 11 of the ink tank 1 in the drying waste heat utilization device of the flexible printing equipment is a hollow cavity structure, and the first communication pipe 31 communicates with the side wall cavity of the tank body 11 . Considering that the direct introduction of hot air into the ink tank 1 and the direct heat exchange with the ink raw material will cause the moisture or diluent in the ink raw material to volatilize, resulting in an increase in viscosity, therefore, the tank body 11 is set as a sandwich structure. , the hot air is introduced into the interlayer cavity in the tank body 11, and the heat exchange is not in direct contact with the ink raw material, thereby reducing the loss of moisture or diluent, and improving the use effect of the device.

Example 3:

As shown in FIGS. 1-3 , for the above embodiments, the present embodiment optimizes the structure of the ink tank.

In the drying waste heat utilization device of the flexible printing equipment, a heat dissipation pipe 12 is arranged in the side wall of the tank body 11 , and the first communication pipe 31 communicates with the intake end of the heat dissipation pipe 12 . The heat dissipation pipe 12 is an aluminum alloy pipe with good heat dissipation, which can improve the heat dissipation effect of the drying waste heat in the interlayer cavity of the tank body 1, improve the utilization rate of heat, and improve the use effect of the device.

Example 4:

As shown in FIGS. 1-3 , for the above-mentioned embodiment, the structure of the drying mechanism is optimized in this embodiment.

In the drying waste heat utilization device of the flexible printing equipment, the air outlet end of the hot air blower 22 is communicated with the bottom of the drying shell 21 , and the first communication pipe 31 is communicated with the top of the drying shell 21 . The printed matter 10 enters from the bottom of the drying shell 21 and exits from the top. The air outlet end of the hot air blower 22 is arranged at the bottom of the drying shell 21 (the entry end of the printed matter 10 ), and the exhaust fan 4 is used to remove the printed matter from the drying shell 21 . When the top is discharged, the temperature at the entry end of the substrate 10 is always relatively higher than the temperature in the upper part of the drying shell 21, and at the same time, increasing the airflow velocity can improve the drying effect of the drying mechanism 2 on the substrate 10, and improve the use effect of the device.

Example 5:

As shown in FIG. 1 to FIG. 3 , for the above embodiment, the temperature control structure is optimized in this embodiment.

The drying waste heat utilization device of the flexible printing equipment also includes a PLC controller 5 and a temperature sensor 6. A temperature sensor 6 is arranged in the ink tank 1, and the temperature sensor 6 is electrically connected to the signal input end of the PLC controller 5. The exhaust fan 4 is electrically connected to the output control end of the PLC controller 5 . The temperature sensor 6 is used to detect the temperature of the ink material in the ink tank 1, and transmit the temperature to the PLC controller 5 for processing. When the temperature in the ink tank 1 is higher than the set value, the PLC controller 5 outputs the control to reduce the temperature. The working power of the small exhaust fan 4 or stop working, when the temperature in the ink tank 1 is lower than the set value, the PLC controller 5 outputs control to increase the working power of the exhaust fan 4, so that during the operation process, the ink tank can be The ink temperature in 1 is at a better operating temperature, which improves the printing quality.

Example 6:

As shown in FIG. 1 to FIG. 3 , for the above-mentioned embodiments, the present embodiment optimizes the structure for utilizing waste heat.

The drying waste heat utilization device of the flexible printing equipment also includes a second communication pipe 32 and a storage room 7 ; The airflow discharged from the ink tank 1 will still contain a certain amount of heat, which can be introduced into the storage room 7 of the oil tank (or other materials that need thermal insulation) to preheat/insulate the oil tank and improve the utilization rate of heat.

Although the present invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that many other modifications and implementations can be devised by those skilled in the art that will fall within the scope of this application within the scope and spirit of the principles disclosed. More particularly, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the present disclosure, drawings and claims. In addition to variations and modifications to the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (6)

1. Flexible lithography apparatus stoving waste heat utilization equipment, its characterized in that: comprises an ink tank (1), a drying mechanism (2), a first communicating pipe (31) and an exhaust fan (4); the ink tank (1) provides an ink source for the printing unit (8); a drying mechanism (2) is arranged at the discharging end of the printing unit (8) and close to the printed product (10); the drying mechanism (2) comprises a drying shell (21), a hot air blower (22) and an inlet and outlet channel (23), the drying shell (21) is a hollow cavity type shell, and the inlet and outlet channel (23) for the inlet and outlet of the printed matter (10) are respectively arranged at the bottom and the top of the drying shell (21); the air outlet end of the air heater (22) is communicated with the inner cavity of the drying shell (21); one end of the first communicating pipe (31) is communicated with the ink groove (1), and the other end is communicated with the inner cavity of the drying shell (21); an exhaust fan (4) is arranged on the first communicating pipe (31).

2. The drying waste heat utilization device of the flexible printing equipment according to claim 1, characterized in that: the lateral wall of the groove body (11) of the ink groove (1) is of a hollow cavity structure, and the first communicating pipe (31) is communicated with the lateral wall cavity of the groove body (11).

3. The drying waste heat utilization device of the flexible printing equipment according to claim 2, characterized in that: a radiating pipe (12) is arranged in the side wall of the tank body (11), and a first communication pipe (31) is communicated with the air inlet end of the radiating pipe (12).

4. The drying waste heat utilization device of the flexible printing equipment according to claim 2, characterized in that: the air outlet end of the air heater (22) is communicated with the bottom of the drying shell (21), and the first communication pipe (31) is communicated with the top of the drying shell (21).

5. The drying and waste heat utilization device of the flexible printing equipment as claimed in claim 3 or 4, wherein: this device still includes PLC controller (5) and temperature-sensing ware (6), sets up temperature-sensing ware (6) in ink groove (1), and temperature-sensing ware (6) and the signal input part electrical connection of PLC controller (5), exhaust fan (4) and the output control end electrical connection of PLC controller (5).

6. The drying and waste heat utilization device of the flexible printing equipment as claimed in claim 3 or 4, wherein: the device also comprises a second communicating pipe (32) and a storage chamber (7); one end of the second communicating pipe (32) is communicated with the air outlet end of the groove body (11), and the other end is communicated with the bottom of the storage chamber (7).

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