TWM568027U - Jig structure of heat-dissipation unit - Google Patents

Abstract

The heat dissipating unit fixture structure comprises: a body; the body has a chamber inside and the upper side has a top portion, and the top portion has at least one opening, and the opening port is provided with at least one layer of ruthenium dioxide. The chamber is in a vacuum airtight or positive pressure inert atmosphere, and provides a better environment and processing flexibility for laser processing or laser welding work through the structure of the heat dissipation unit fixture.

Description

Heat sink unit fixture structure

The utility model relates to a heat dissipating unit jig structure, in particular to a heat dissipating unit jig structure for preventing contamination and oxidation of a welding work piece for laser welding.

The current uniform temperature plate adopts at least two metal plates stacked on each other and combined by diffusion bonding or welding to form an airtight chamber between the two metal plates, and the airtight chamber has a capillary structure and a working liquid. In turn, the efficiency of heat transfer is accelerated by the principle of vapor-liquid circulation. Generally, the uniform temperature plate is formed by stacking and welding two pieces of copper or aluminum or stainless steel or titanium or magnesium. However, if the materials are combined with each other, the ordinary welding or diffusion cannot be achieved. The joining method is combined, so that those skilled in the art can combine the two plates of the different materials by means of laser welding, and the laser welding needs to avoid the material through the environment of introducing an inert gas or a vacuum. The pollution or oxidation reaction is generated by laser welding equipment provided by a laser welding tool machine with a closed chamber. The vacuum environment provided in the closed chamber or the environment in which the inert gas is supplied can solve the pollution or Oxidation reaction occurs, but if the workpiece is too large to seal the chamber, processing cannot be performed. Therefore, although the shortcomings of the laser welding are improved, the problem of excessive workpiece size needs to be improved.

Accordingly, in order to solve the above-mentioned shortcomings of the prior art, the main purpose of the present invention is to provide a jig for use in laser welding. For the purpose of the above, the present invention provides a heat dissipating unit jig structure, comprising: a body; the body has a chamber inside and the upper side has a top, and the top has at least one opening, The open port is provided with at least one layer of cerium oxide, and the chamber is in a vacuum-tight or positive-pressure inert atmosphere. Through this creation department, laser welding can be carried out in an airtight environment where laser welding is required. No matter whether it is vacuum or an atmosphere of inert gas, it can not only prevent the workpiece from being contaminated by laser welding. It can prevent the occurrence of oxidation reaction. Therefore, only the applicable fixture is selected for the size of the workpiece, and the elasticity is large, which can increase the elastic selection of the laser processing.

The above object of the present invention, as well as its structural and functional features, will be described in accordance with the preferred embodiments of the drawings. Please refer to the first and second figures, which are the three-dimensional decomposition and the combined cross-sectional view of the heat dissipation unit fixture structure. As shown in the figure, the heat dissipation unit fixture structure comprises: a body 1; Having a chamber 11 and an upper side having a top portion 12, and the top portion 12 has at least one opening 13 provided with at least one ruthenium dioxide layer 14, the chamber 11 being vacuum-tight The body 1 is made of any material of aluminum or stainless steel. The body 1 has a first portion 1a and a second portion 1b. The first and second portions 1a, 1b correspondingly define and collectively define the chamber 11, and the top portion 12 is located on one side of the first portion 1a. The body 1 has at least one passage 15, which is connected to the chamber 11, and the passage 15 is capable of either vacuuming or introducing an inert gas. The ceria layer 14 is quartz, and the average transmittance of the light of the ceria layer 14 at 260 nm to 1100 nm is 92%. Further, an anti-reflection film 141 is disposed on both sides of the ceria layer 14, and the ceria layer 14 having the anti-reflection film 141 has a transmittance of 98% at a wavelength of 400 nm to 1100 nm. ～100%, the penetration rate of the laser can be increased. Please refer to FIG. 3 , which is a schematic diagram of the structure of the fixture for the heat dissipation unit. As shown in the figure, when performing the laser welding work, the heat sink fixture 2 is first placed on the table 31 of the laser processing tool 3 . And placing the workpiece 4 to be laser-welded in the heat-dissipating unit fixture 2, and surely attaching the heat-dissipating unit fixture 2, and optionally pumping through the channel 15 of the heat-dissipating unit fixture 2 Vacuum or an inert gas (argon) is applied to prevent contamination and oxidation reaction, and laser welding or laser processing is started through the laser head 32 disposed above the heat dissipating unit fixture 2, the laser The laser beam 33 generated by the head 32 is penetrated into the heat dissipating unit fixture 2 through the cerium oxide layer 14 disposed on the upper side of the body 1 for laser processing or laser welding of the workpiece 4, The yttrium oxide layer 14 uses quartz, so its laser penetration rate is at least 92%, which is relatively low in power loss compared to laser processing and laser welding, and also maintains a vacuum airtight or inert gas protection processing environment. The heat-dissipating unit fixture structure of the present invention mainly increases the elasticity of laser processing or laser welding work, and selects the size of the heat-dissipating unit fixture for the workpiece size, thereby saving manufacturing cost and increasing the elasticity of laser processing or laser welding. .

1‧‧‧ Ontology

1a‧‧‧Part 1

1b‧‧‧Part II

11‧‧‧ chamber

12‧‧‧ top

13‧‧‧Open mouth

14‧‧‧ cerium oxide layer

141‧‧‧Anti-reflective film

15‧‧‧ channel

2‧‧‧Heat unit fixture

3‧‧‧Laser processing equipment

31‧‧‧Workbench

4‧‧‧Workpiece

The first figure is a three-dimensional exploded view of the structure of the heat-dissipating unit fixture; the second figure is a combined sectional view of the fixture structure of the heat-dissipating unit; the third figure is a schematic diagram of the structure of the heat-dissipating unit fixture.

Claims (7)

A heat dissipating unit fixture structure comprising: a body having a chamber inside and a top portion having a top portion, wherein the top portion has at least one opening, and the opening portion is provided with at least one layer of ruthenium dioxide. The chamber is vacuum tight. The heat dissipating unit jig structure according to claim 1, wherein the osmium dioxide layer has an average transmittance of 92% at 260 nm to 1100 nm. The heat dissipating unit jig structure according to claim 1, wherein the ceria layer is quartz. The heat dissipating unit jig structure according to claim 1, wherein the system is any one of aluminum or stainless steel. The heat dissipating unit jig structure according to claim 1, wherein the body has at least one passage, and the passage is connected to the chamber, and the passage is capable of vacuuming or introducing an inert gas. . The heat dissipating unit jig structure of claim 1, wherein the body has a first portion and a second portion, the first and second portions correspondingly combining and jointly defining the chamber, the top portion Located on one side of the first part. The heat dissipating unit jig structure according to claim 1, wherein an anti-reflection film is disposed on both sides of the ceria layer, and the ceria layer having an anti-reflection film is at a wavelength of 400 nm to 1100 nm. Its penetration rate can reach 98% to 100%.