CN217450791U

CN217450791U - Coating heating device

Info

Publication number: CN217450791U
Application number: CN202122239630.2U
Authority: CN
Inventors: 杜超; 颜小军
Original assignee: Zhangjiagang Free Trade Zone Kangde Film Industry Co ltd
Current assignee: Zhangjiagang Free Trade Zone Kangde Film Industry Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-09-20
Anticipated expiration: 2031-09-14

Abstract

The utility model provides a coating heating device, include: the heat-conducting coil comprises a shell 1 and a coil 2, wherein a coating inlet 4 and a coating outlet 5 are formed in the top surface of the shell 1, the coil 2 is arranged in the shell 1 in a suspending mode, one end of the coil 2 is communicated with the coating inlet 4, the other end of the coil is communicated with the coating outlet 5, and heat-conducting liquid is filled between the shell 1 and the coil 2. The utility model discloses a coating heating device, with external mode, utilize the physical characteristic rapid heating coating temperature of forced convection, it is efficient to have the heating to stabilize, goes out to glue and uses promptly and need not to wait for, simultaneously with low costs, simple structure, advantages such as non-maintaining.

Description

Coating heating device

Technical Field

The utility model relates to a heater field, in particular to coating heating device.

Background

UV scratch resistance uses a transparent coating, which is also a main raw material in the coating industry. The coating is coated on the surface of a base material through a roll coating process, and the surface of the base material is hardened through UV curing, so that the scratch resistance effect is achieved. And the surface looks bright, beautiful and mellow. Secondly, the normal use of the UV coating has certain temperature requirements, and the phenomena of poor adhesion and poor leveling property can occur when the temperature of the coating is low.

At present, UV coating heating is mainly divided into two types: a method for heating the surface of a coating roller by a constant-temperature water area and heating the coating by heat conduction; the other is an electric heating type, the electric heating body is led in through a power supply connector and an extraction rod, the sleeve is heated by the heat generated by the electric heating body, and the heat is transferred to the heated object through the action of high-temperature radiation on the surface.

The disadvantages of using water to heat the coating roller are: the preheating time is long, the heating connecting assembly is exposed outside, so that the heat loss is large in the heat exchange process, the heating connecting assembly is easily influenced by the material of the roller, the heat conversion rates corresponding to different used materials are different, the heating connecting assembly is also influenced by the size of the space in the cavity of the coating roller, and the larger the space is, the worse the heating uniformity is; the electric heating type has the disadvantages of relatively complex manufacturing requirements, high cost, large energy consumption, certain service life of the heating assembly, reduced power or failure after long-time use and relatively high maintenance cost.

In order to solve the above problems, it is necessary to provide a new paint heating apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coating heating device utilizes the physical characteristic rapid heating coating temperature of forced convection with the external mode. Its main advantage heats stable efficient, goes out to glue and uses need not to wait immediately, simultaneously with low costs, simple structure, advantages such as non-maintaining.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a paint heating apparatus comprising: the heat-conducting coil comprises a shell 1 and a coil 2, wherein a coating inlet 4 and a coating outlet 5 are formed in the top surface of the shell 1, the coil 2 is arranged in the shell 1 in a suspending mode, one end of the coil 2 is communicated with the coating inlet 4, the other end of the coil is communicated with the coating outlet 5, and heat-conducting liquid is filled between the shell 1 and the coil 2.

Further, the coil 2 is a spiral coil.

Further, the inner diameter of the coil pipe 2 is 10-13 mm, and the wall thickness is 0.5-1 mm.

Further, the coil 2 is a pure copper coil.

Further, an insulating layer is arranged on the outer side of the shell 1.

Further, the heat conduction liquid is any one of water, heat conduction oil or silicone oil.

Further, the heat conduction liquid heat collector comprises a heat conduction liquid inlet 7 arranged at the bottom of the shell 1 and a heat conduction liquid outlet 6 arranged at the top of the shell 1.

Further, the top surface of the housing 1 is also provided with an exhaust port 3.

The utility model discloses a coating heating device, with external mode, utilize the physical characteristic rapid heating coating temperature of forced convection, it is efficient to have the heating to stabilize, goes out to glue and uses promptly and need not to wait for, with low costs, simple structure, advantages such as non-maintaining simultaneously.

And, the utility model discloses a coil pipe suspension sets up in the casing, when the casing is inside when passing through the heat medium, can produce high-frequency oscillation and flexible phenomenon, and the incrustation scale that the coil pipe outside formed will drop automatically, and long service life just also can not exist because of the production of incrustation scale overstock influences heat conduction efficiency.

Drawings

FIG. 1 is a schematic structural view of a coating heating device according to the present invention;

wherein, 1 is the casing, 2 is the coil pipe, 3 is the gas vent, 4 is the coating entry, 5 is the coating export, 6 is the heat conduction liquid export, 7 is the heat conduction liquid entry.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

As shown in fig. 1, the utility model discloses a coating heating device, including casing 1, coil pipe 2, casing 1's top surface is equipped with coating entry 4 and coating export 5, and coil pipe 2 suspension sets up in casing 1, and coil pipe 2's one end and coating entry 4 intercommunication, and the other end and coating export 5 intercommunication have heat-conducting liquid between casing 1 and the coil pipe 2 to fill. The paint to be heated is sent into the coil 2 from the paint inlet 4 in an upward-out mode, exchanges heat with heat-conducting liquid outside the coil and flows out through the paint outlet 5 for use.

The shell 1 can be a stainless steel shell, and the stainless steel has good physical properties of pressure resistance and high temperature resistance. In the preferred implementation method of the utility model, the outside of the shell 1 is wrapped with a heat-insulating layer to prevent heat loss.

The coil 2 is a spiral coil made of pure copper with thermal conductivity of about 386W/m.k, second to silver (the silver has the highest thermal conductivity), and has rust resistance and excellent corrosion resistance. The inner diameter of the coil pipe is 10-13 mm, the wall thickness is 0.5-1 mm, and the heating time of the coating is prolonged to the maximum extent and is increased by adopting a mode of vertical spiral floating arrangement of a thin-wall copper pipe. The spiral arrangement can also efficiently utilize the internal space of the device, and the volume of the device is reduced.

As shown in fig. 1, the dope heating apparatus further includes a heat conductive liquid inlet 7 provided at the bottom of the casing 1 and a heat conductive liquid outlet 6 provided at the top of the casing 1. The heat-conducting liquid is sent into the heat-conducting liquid inlet 7 from the bottom and is discharged through the heat-conducting liquid outlet 6. The heat-conducting liquid can be any one of water, heat-conducting oil or silicone oil. Preferably, the heat-conducting liquid is water, and has the advantages of quick heating, convenient use, economy and practicability.

The utility model discloses an in the device, the top surface of casing 1 is equipped with gas vent 3 for the inside unnecessary air of discharge prevents that inside existence air from leading to being heated the inequality.

The utility model discloses a coating heating device utilizes the physical mode of forced convection to heat conduction liquid gives the device heating as heat transfer medium. The heat conducting liquid is heated to a certain temperature, so that the temperature inside the shell is stabilized at a value, the coating can be sent into the copper coil, and the temperature of the coating is lower than that of the heat conducting liquid, so that the temperature of the coating is neutralized by the high temperature side and the low temperature side, that is to say, the heat energy of the hot liquid is absorbed by the cold liquid to achieve a physical characteristic mode of heat conduction.

And secondly, the volume and flow volume of the heat-conducting liquid in the shell are far larger than those of the coating, so that the temperature damage is almost negligible, and the coating can be used immediately. Meanwhile, the spiral floating heat exchange copper coil can generate high-frequency oscillation and stretching phenomena when a heat medium passes through, water scale or oil scale formed outside the coil can automatically fall off, the service life is long, and the heat conduction efficiency cannot be influenced due to the accumulation of the water scale or the oil scale. Therefore, the utility model can not only satisfy the heating of various coatings, but also has the advantages of low manufacturing cost, safety, environmental protection and maintenance-free property.

It should be noted that the above-mentioned embodiments are only for illustrating the preferred embodiments of the present invention, and the present invention is not intended to be limited in any way, and any modifications or changes of the present invention, which are made under the same spirit of the present invention, should be included in the scope of the present invention.

Claims

1. A paint heating apparatus, comprising: casing (1), coil pipe (2), the top surface of casing (1) is equipped with coating entry (4) and coating export (5), coil pipe (2) suspension sets up in casing (1), just the one end of coil pipe (2) with coating entry (4) intercommunication, the other end with coating export (5) intercommunication, casing (1) with it has heat-conducting liquid to fill between coil pipe (2).

2. Paint heating device according to claim 1, characterized in that the coil (2) is a helical coil.

3. The paint heating device according to claim 1, wherein the coil pipe (2) has an inner diameter of 10 to 13mm and a wall thickness of 0.5 to 1 mm.

4. Paint heating device according to claim 1, characterized in that the coil (2) is a pure copper coil.

5. Paint heating device according to claim 1, characterized in that the outer side of the housing (1) is provided with an insulating layer.

6. The paint heating apparatus according to claim 1, wherein the heat conductive liquid is any one of water, heat conductive oil, or silicone oil.

7. A dope heating device as claimed in claim 1, further comprising a thermally conductive liquid inlet (7) provided at the bottom of the casing (1) and a thermally conductive liquid outlet (6) provided at the top of the casing (1).

8. Paint heating device according to claim 1, characterized in that the top surface of the housing (1) is also provided with an air outlet (3).