A microwave UV resonant cavity

Abstract

The utility model provides a microwave UV resonant cavity, which relates to the technical field of printing machines, in order to solve the problem that the four oblique through holes of the existing resonant cavity are at an angle of 45 degrees to the wall surface, causing electromagnetic wave leakage; in order to achieve the requirement of shielding electromagnetic waves, the UV lamp group also needs a large volume of heat storage and heat dissipation for electromagnetic induction heat, including a mounting part; the main body is a rectangular structure, the top of the main body is a trapezoidal structure, and a circular hole is provided in the middle of the top of the main body; the reflector is an arc structure, and the two sides of the bottom of the reflector are provided with folded edges, and the reflector is provided with an arc through groove, and the reflector is installed inside the inner cavity on the mounting part. The reflector adopts a narrow edge design, which can fix the reflector and completely shield electromagnetic waves; the rectangular through groove and the through hole are set at the top of the reflector, and the aperture can be reasonably adjusted and tested by reasonably moving the electromagnetic wave through the rectangular through groove and the through hole; and the electromagnetic wave can be fully emitted inside the inner cavity, and the heat dissipation grooves provided on the two sides of the top of the main body can fully meet the heat dissipation requirements of the main body.

Description

Technical Field

[0001] The utility model belongs to the technical field of printing machines, and more specifically, particularly relates to a microwave UV resonant cavity. Background Art

[0002] Microwave UV is a UV curing system developed in recent years. It is a high-tech product developed by comprehensively applying the latest scientific and technological achievements in the fields of optics, power electronics, plasma science, magnetic materials science, etc. The spectrum energy of microwave UV is concentrated, and it has the ultraviolet spectrum characteristics of traditional UV systems. The infrared radiation is very small compared to traditional lamp groups, and the luminous efficiency can reach about 75%. No ozone is generated. Different spectrum lamps can be used according to different curing objects. It can cure and dry traditional UV inks and coatings well, and has a relatively long life. In addition, it has a large power density, high radiation efficiency, and adjustable spectrum and light intensity.

[0003] Based on the findings in the prior art, the four-sided inclined through holes of the existing resonant cavity are at a 45-degree angle to the wall, causing electromagnetic wave leakage, and the leakage of the inclined through holes is more serious; in order to meet the requirements of shielding electromagnetic waves, the reflector of the UV lamp group needs to be fixed with a wider contact surface, and the electromagnetic induction heat also requires a larger volume for heat storage and dissipation; and in actual use, it is impossible to enhance the drying efficiency and improve the energy-saving effect of the device. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a microwave UV resonant cavity to solve the problem that the four inclined through holes on the existing resonant cavity are at a 45-degree angle to the wall, causing electromagnetic wave leakage, and the leakage of the inclined through holes is more serious; in order to achieve the requirement of shielding electromagnetic waves, the UV lamp group needs a wider contact surface to fix the reflector, and the electromagnetic induction heat also needs a larger volume to store heat and dissipate heat; and in actual use, it is impossible to enhance the drying efficiency and improve the energy-saving effect of the device.

[0005] The utility model is a microwave UV resonant cavity, which is achieved by the following specific technical means:

[0006] A microwave UV resonant cavity comprises a mounting portion and a light reflecting portion;

[0007] The mounting part is a resonant cavity body, and the mounting part includes: a main body, the main body is a rectangular structure, the top of the main body is a trapezoidal structure, a round hole is provided in the middle of the top of the main body, a rectangular protrusion is provided on the main body, and elliptical holes are provided on both sides of the main body;

[0008] The reflective part is installed inside the mounting part, and the reflective part includes: a reflective element, which is an arc-shaped structure, with folded edges on both sides of the bottom of the reflective element, an arc-shaped through groove on the reflective element, reflective side panels on both sides of the reflective element, the interior of the reflective element is set as a hollow structure, a rectangular protrusion is fixedly installed on the reflective side panel of the reflective element, and the reflective element is installed inside the inner cavity on the mounting part.

[0009] Furthermore, the installation unit also includes:

[0010] The heat dissipation groove is an arc-shaped structure, and the heat dissipation groove is opened on both sides of the top of the main body.

[0011] Furthermore, the installation unit also includes:

[0012] The inner cavity is a hexagonal structure and is opened inside the main body; the mounting groove is a rectangular structure and is opened on the inner wall of the main body, and a rectangular protrusion on the reflective member is slidably installed inside the mounting groove.

[0013] Furthermore, the reflective portion further comprises:

[0014] A through hole, which is an elliptical structure and is opened on the top of the reflector; a microwave lamp tube, which is fixedly installed inside the reflector; a shielding member, which is a rectangular structure, is provided with a woven mesh made of tungsten wire, and is fixedly installed at the bottom of the reflector.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. In this device, a reflector is provided with a flat and narrow-edge design, which can well fix the reflector and completely shield the electromagnetic waves; and a rectangular through slot and a through hole are provided at the top of the reflector. By reasonably moving the electromagnetic waves through the rectangular through slot and the through hole, the through hole is provided with an elliptical structure, which can increase the original heat dissipation area, and can make reasonable adjustments to the aperture to match the resonance cavity, the lighting power range of the lamp group and the temperature lamp of the magnetron head; and the electromagnetic waves can be fully emitted inside the inner cavity, and the proportion of heat generated by induction in the process of converting electromagnetic waves into light energy is not large, and the heat dissipation grooves provided on both sides of the top of the main body are higher in heat dissipation efficiency and stronger in heat dissipation effect than the circular holes, which can fully meet the heat dissipation needs of the main body.

[0017] 2. In this device, the inner cavity, reflective element and microwave lamp are provided, which significantly improves the drying efficiency of printing ink coating compared with the existing resonant cavity, and compared with the original device, the energy consumption is only half of the original, which improves the energy-saving effect of the device, saves costs and prolongs the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a main perspective three-dimensional structural schematic diagram of the utility model.

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from above.

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the installation part of the utility model.

[0021] Figure 4 It is a schematic diagram of the exploded three-dimensional structure of the reflective part of the utility model.

[0022] Figure 5 It is a schematic diagram of the exploded three-dimensional structure of the reflective part of the utility model when viewed from above.

[0023] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0024] 1. Installation part; 101. Main body; 102. Heat dissipation groove; 103. Inner cavity; 104. Installation groove; 2. Reflection part; 201. Reflection element; 202. Through hole; 203. Microwave lamp tube; 204. Shielding element. DETAILED DESCRIPTION

[0025] The implementation of the utility model is further described in detail below in conjunction with the drawings and examples.

[0026] Example:

[0027] As attached Figure 1 To Attachment Figure 5 As shown:

[0028] The utility model provides a microwave UV resonant cavity, comprising a mounting portion 1 and a reflective portion 2;

[0029] The mounting part 1 is a resonant cavity body, and the mounting part 1 includes: a main body 101, the main body 101 is a rectangular structure, the top of the main body 101 is a trapezoidal structure, a round hole is provided in the middle of the top of the main body 101, a rectangular protrusion is provided on the main body 101, and elliptical holes are provided on both sides of the main body 101; the main body 101 here can be installed with a reflector 201 through the inner cavity 103 opened, and the electromagnetic wave can be fully emitted inside the inner cavity 103, thereby improving the drying efficiency of the device, and heat dissipation grooves 102 are opened on both sides of the top, thereby fully meeting the heat dissipation requirements of the device;

[0030] The reflective part 2 is installed inside the mounting part 1, and the reflective part 2 includes: a reflector 201, which is an arc-shaped structure, with folded edges on both sides of the bottom of the reflector 201, an arc-shaped through groove on the reflector 201, reflective side panels on both sides of the reflector 201, and a hollow structure inside the reflector 201. A rectangular protrusion is fixedly installed on the reflective side panel of the reflector 201, and the reflector 201 is installed inside the inner cavity 103 on the mounting part 1; the reflector 201 here adopts a flat and narrow edge design, which can well fix the reflector and completely shield electromagnetic waves; and the rectangular through groove and the through hole 202 are arranged on the top of the reflector 201. By reasonably moving the electromagnetic wave through the rectangular through groove and the through hole 202, the aperture can be reasonably adjusted and tested to match the resonance cavity, the lighting power range of the lamp group and the temperature lamp of the magnetron head.

[0031] Wherein, the installation part 1 also includes:

[0032] The heat dissipation slot 102 is a cylindrical structure and is provided on both sides of the top of the main body 101; the heat dissipation slot 102 here is set to an arc structure, which is more efficient than the circular hole heat dissipation method, and a shading net can be added therein; the inner cavity 103, the inner cavity 103 is a hexagonal structure and is provided inside the main body 101; the mounting slot 104, the mounting slot 104 is a rectangular structure and is provided on the inner wall of the main body 101, and a rectangular protrusion on the reflector 201 is slidably installed inside the mounting slot 104; the mounting slot 104 here is used to be slidably connected to the rectangular protrusion on the reflector 201, and at the same time, the reflector 201 and the main body 101 are stably connected together by bolts, so that the reflector 201 can be quickly installed.

[0033] Wherein, the reflective portion 2 further includes:

[0034] The through hole 202 is an elliptical structure and is opened on the top of the reflector 201 ; the through hole 202 here is used to dissipate the heat inside the reflector 201 ; the microwave lamp tube 203 , the microwave lamp tube 203 is fixedly installed inside the reflector 201 .

[0035] Wherein, the reflective portion 2 further includes:

[0036] The shielding member 204 is a rectangular structure, a woven mesh of tungsten wire is provided on the shielding member 204, and the shielding member 204 is fixedly mounted on the bottom of the reflector 201; the shielding member 204 here adopts a flat and narrow edge design and is placed at a position where the opening of the inner cavity 103 and the main body 101 fit closely, which can well fix the reflector 201 and the shielding member 204 and completely shield electromagnetic waves, and can also achieve a shading effect.

[0037] The specific usage and function of this embodiment are as follows:

[0038] In the present invention, the reflector 201 adopts a flat and narrow-edge design, which can well fix the reflector and completely shield the electromagnetic waves; and the rectangular through groove and the through hole 202 are arranged on the top of the reflector 201. By reasonably moving the electromagnetic waves through the rectangular through groove and the through hole 202, the aperture can be reasonably adjusted and tested to match the resonance cavity, the lighting power range of the lamp group and the temperature lamp of the magnetron head; and the electromagnetic waves can be fully emitted inside the inner cavity 103, and the proportion of heat generated by induction during the conversion of electromagnetic wave energy into light energy is not large, and the heat dissipation grooves 102 provided on both sides of the top of the main body 101 can fully meet the heat dissipation requirements of the main body 101, and enhance the heat dissipation efficiency inside the main body 101. Then, compared with the existing resonance cavity, the above composition significantly improves the drying efficiency of the printing ink coating, and compared with the original device, the energy consumption is only half of the original, which improves the energy-saving effect of the device, saves costs, and has a longer service life.

Claims

1. A microwave UV resonant cavity, characterized in that: It comprises a mounting portion (1) and a light reflecting portion (2); The mounting portion (1) is a resonant cavity body, and the mounting portion (1) comprises: a main body (101), the main body (101) is a rectangular structure, the top of the main body (101) is a trapezoidal structure, a circular hole is provided in the middle of the top of the main body (101), a rectangular protrusion is provided on the main body (101), and elliptical holes are provided on both sides of the main body (101); The reflective portion (2) is mounted inside the mounting portion (1), and the reflective portion (2) comprises: a reflective element (201), the reflective element (201) being an arc-shaped structure, folded edges being provided on both sides of the bottom of the reflective element (201), an arc-shaped through groove being provided on the reflective element (201), reflective side panels being provided on both sides of the reflective element (201), the interior of the reflective element (201) being arranged as a hollow structure, a rectangular protrusion being fixedly mounted on the reflective side panels of the reflective element (201), and the reflective element (201) being mounted inside the inner cavity (103) on the mounting portion (1).

2. A microwave UV resonant cavity according to claim 1, characterized in that: The mounting portion (1) further comprises: The heat dissipation groove (102) is an arc-shaped structure, and the heat dissipation groove (102) is arranged on both sides of the top of the main body (101).

3. A microwave UV resonant cavity according to claim 2, characterized in that: The mounting portion (1) further comprises: An inner cavity (103) having a hexagonal structure and being disposed inside the main body (101); and a mounting groove (104) having a rectangular structure and being disposed on the inner wall of the main body (101), and a rectangular protrusion on the reflective element (201) being slidably mounted inside the mounting groove (104).

4. The microwave UV resonant cavity according to claim 1, characterized in that: The light reflecting portion (2) further comprises: A through hole (202), the through hole (202) is an elliptical structure, and the through hole (202) is opened on the top of the reflector (201); a microwave lamp tube (203), the microwave lamp tube (203) is fixedly installed inside the reflector (201); a shielding member (204), the shielding member (204) is a rectangular structure, a tungsten wire braided mesh is provided on the shielding member (204), and the shielding member (204) is fixedly installed on the bottom of the reflector (201).

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