CN114918537A - Welding method of vapor chamber and middle frame, laser processing equipment and heat dissipation structure - Google Patents
Welding method of vapor chamber and middle frame, laser processing equipment and heat dissipation structure Download PDFInfo
- Publication number
- CN114918537A CN114918537A CN202210567289.XA CN202210567289A CN114918537A CN 114918537 A CN114918537 A CN 114918537A CN 202210567289 A CN202210567289 A CN 202210567289A CN 114918537 A CN114918537 A CN 114918537A
- Authority
- CN
- China
- Prior art keywords
- welding
- preset
- spot
- processing assembly
- middle frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 390
- 238000012545 processing Methods 0.000 title claims abstract description 164
- 238000000034 method Methods 0.000 title claims abstract description 75
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 47
- 238000002791 soaking Methods 0.000 claims abstract description 92
- 238000003754 machining Methods 0.000 claims description 28
- 238000009434 installation Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 17
- 238000012360 testing method Methods 0.000 claims description 15
- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000000956 alloy Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 39
- 230000000694 effects Effects 0.000 abstract description 12
- 229910000679 solder Inorganic materials 0.000 description 16
- 230000000712 assembly Effects 0.000 description 11
- 238000000429 assembly Methods 0.000 description 11
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- JNDMLEXHDPKVFC-UHFFFAOYSA-N aluminum;oxygen(2-);yttrium(3+) Chemical compound [O-2].[O-2].[O-2].[Al+3].[Y+3] JNDMLEXHDPKVFC-UHFFFAOYSA-N 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 229910019655 synthetic inorganic crystalline material Inorganic materials 0.000 description 3
- 229910019901 yttrium aluminum garnet Inorganic materials 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/705—Beam measuring device
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a welding method of a soaking plate and a middle frame, laser processing equipment and a heat dissipation structure, wherein the welding method of the soaking plate and the middle frame is applied to a mobile terminal, and the method comprises the following steps: acquiring a thermal deformation temperature threshold of the soaking plate; determining a welding path of a welding spot and processing parameters of a matched green laser processor according to the thermal deformation temperature threshold; assembling the soaking plates into the mounting areas corresponding to the middle frames; controlling a laser beam of the green laser processor to carry out welding treatment on the soaking plate and the middle frame along the periphery of the mounting area according to the welding spot welding path and the processing parameters to obtain a processing assembly; wherein, the processing parameters comprise laser wavelength and laser power. The method is used for optimizing the heat dissipation function of the electronic equipment and solving the problem of not considerable welding effect caused by unstable welding process.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to a method for welding a soaking plate and a middle frame, laser processing equipment and a heat dissipation structure.
Background
With the development of the industry, people put higher demands on the configuration and operation speed of intelligent electronic equipment such as mobile phones and the like. However, the multifunctional and multitask intelligent mobile terminal can ensure the long-time normal operation of the device only in a proper temperature range, if large-scale software and games are operated for a long time, the temperature of the devices such as a CPU (central processing unit), an LCM (liquid crystal module) and the like can be increased, and the performance of the mobile terminal can be rapidly reduced under the influence of high temperature. WiFi and other communication devices can generate a large amount of heat in the receiving and sending process, even a self-protection mechanism of the mobile phone can be triggered when the temperature is too high, the situation of automatic power off occurs, and normal use is affected. In order to meet the use requirements of users, ensure the good operation of electronic equipment and optimize the heat dissipation function of the electronic equipment, the heat dissipation device is necessary.
In order to solve the heat dissipation problem of electronic equipment, a vapor chamber is usually adopted. Generally, the connection between the vapor chamber and the middle frame of the mobile phone is mostly achieved by means of a traditional adhesive process, but the adhesive tape of the traditional adhesive is easy to age after being used for a long time, so that the adhesion is reduced, and the service life is short.
Generally, in order to solve the problems that the adhesive is easy to age and short in service life, a soaking plate and a middle frame are fixed in a welding mode. For a long time, due to the characteristics of light weight, low price and easy processing, aluminum alloy is always used as the main material of the middle frame of the mobile phone, and the soaking plates are mostly made of stainless steel plates, the melting point of the stainless steel is about 1500 ℃, the melting point of the aluminum is 660 ℃, the difference between the two melting points is very large, and the aluminum alloy and the stainless steel cannot be infinitely fused with each other. However, when the common non-contact welding process of neodymium-doped yttrium aluminum garnet (Nd: YAG) laser and the like and the optical fiber laser welding process of quasi-continuous (QCW) laser and the like are used for welding sheet materials and dissimilar materials, the welding effect is not considerable, and the welding process is unstable, so that the phenomena of surface splashing, inconsistent weld penetration and unstable welding strength often occur.
Disclosure of Invention
One of the main objectives of the present invention is to provide a method for welding a vapor chamber and a middle frame, which is used to optimize the heat dissipation function of an electronic device and solve the problem of an insignificant welding effect caused by an unstable welding process.
In order to achieve the purpose, the invention provides a method for welding a soaking plate and a middle frame, which is applied to a mobile terminal and comprises the following steps:
s1, acquiring a thermal deformation temperature threshold of the soaking plate;
s2, determining a welding path of a welding spot and processing parameters of a matched green laser processor according to the thermal deformation temperature threshold, wherein the processing parameters comprise laser wavelength and laser power;
s3, assembling the soaking plate into the mounting area corresponding to the middle frame;
and S4, controlling the laser beam of the green laser processor to carry out welding treatment on the soaking plate and the middle frame along the periphery of the mounting area according to the welding path of the welding spot and the processing parameters to obtain a processed assembly.
In an embodiment, a temperature detection device is provided along the mounting area, the method further comprising the steps of:
s51, controlling the temperature detection device to measure the temperature of the welding point edge of the welding point in real time while executing the step S4;
and S52, controlling the green laser processor to work when the temperature on the welding spot edge is not higher than the thermal deformation temperature threshold.
In an embodiment, the method further comprises the steps of:
and S6, acquiring the processing assembly information of the processing assembly, and determining the processing assembly matched with the preset condition as a target heat dissipation structure according to the processing assembly information.
In an embodiment, step S6 is implemented by using a testing system, where the testing system includes a display and a tensile machine, and the step S6 specifically includes:
displaying an image of the processing assembly on the display, and determining welding point data of the processing assembly;
controlling the tensile machine to obtain a welding tensile value between the soaking plate and the middle frame;
and when the welding spot data and the welding tension value of the processing assembly respectively meet the preset welding spot parameters and the preset tension value, determining that the processing assembly is the target heat dissipation structure.
In an embodiment, step S6 specifically includes the following steps:
s61, displaying the image of the processing assembly on the display, and determining welding point data of the processing assembly;
s62, judging whether the welding spot data of the processing assembly meet the preset welding spot parameters, if so, executing steps S63-S64, otherwise, executing steps S65-S66;
s63, controlling the tensile machine to obtain the welding tension value between the soaking plate and the middle frame;
s64, judging whether the welding tension value reaches a preset tension value, if not, executing steps S65-S66, and if so, executing step S67;
s65, obtaining machining error data;
s66, determining the repaired welding spot welding path and the repaired machining parameters according to the machining error data, and executing a step S4;
and S67, determining the machining assembly reaching the preset tension value as a target heat dissipation structure.
In one embodiment, the laser wavelength is 500nm to 560nm, and the laser power is 15W to 55W.
In an embodiment, the preset condition includes a preset welding spot parameter and a preset tension value, wherein the preset welding spot parameter includes one or more of a preset welding spot diameter width, preset welding spot path data and a preset welding spot protrusion height; the processing assembly information comprises welding spot data and a welding tension value, wherein the welding spot data comprises one or more of welding spot diameter width, welding spot path data and welding spot protrusion height.
In an embodiment, the preset tension value is 85N to 175N, the preset welding spot diameter width is 0.7mm to 1.2mm, the welding spot welding path is a spiral welding path, the preset welding spot path data includes a preset welding thread inner radius, a preset welding thread outer radius and a preset welding pitch, the preset welding thread inner radius is 0.03 ± 0.01mm, the preset welding thread outer radius is 0.4mm to 0.5mm, and the preset welding pitch is 0.035mm to 0.045 mm.
The second objective of the present invention is to provide a laser processing apparatus for optimizing the heat dissipation function of electronic equipment and solving the problem of poor welding effect caused by unstable welding process.
To achieve the above object, the present invention provides a laser processing apparatus including:
the green laser processor is used for carrying out welding treatment on the soaking plate and the middle frame to obtain a processing assembly;
the temperature detection device is used for measuring the temperature on the welding spot edge of the welding spot position in real time while welding treatment is carried out;
the test system is used for acquiring the processing assembly information of the processing assembly, the processing assembly information comprises welding spot data and welding tension values, the test system comprises a display and a tension machine, the display is used for displaying the image of the processing assembly to determine the welding spot data of the processing assembly, and the tension machine is used for acquiring the soaking plate and the welding tension values between the middle frames.
The present invention is also directed to a heat dissipation structure for optimizing a heat dissipation function of an electronic device, and solving the problem of poor soldering effect caused by unstable soldering process.
In order to achieve the purpose, the invention provides a heat dissipation structure which comprises a vapor chamber and a middle frame, wherein the middle frame is provided with an installation area suitable for the vapor chamber, and the vapor chamber is welded in the middle of the vapor chamber in a matching way through the installation area; the soaking plate is made of stainless steel materials, and the middle frame is made of aluminum alloy materials.
Compared with the prior art, the invention has the following beneficial effects:
1. determining a welding path of a welding spot and processing parameters of a matched green laser processor according to the thermal deformation temperature threshold of the soaking plate so as to optimize the heat dissipation function of the mobile terminal electronic equipment, avoid the performance influence caused by high temperature and ensure the long-time normal operation of the mobile terminal electronic equipment;
2. compared with the common non-contact welding process of neodymium-doped yttrium aluminum garnet (Nd: YAG) lasers and the like and the optical fiber laser welding process of quasi-continuous (QCW) lasers and the like, the green laser processing device has wider welding range and high frequency, so that a riveting structure is formed between the soaking plate and the middle frame, reliable connection is realized, and due to the high absorption rate of metal to green light, the matched processing parameters of the green laser processing device are adopted, effective welding can be realized, the use power of laser processing equipment is reduced, the thermal deformation of the soaking plate and the middle frame is optimized, the conditions of surface splashing, inconsistent welding spot melting depth and unstable welding strength caused by unstable welding process, which affect the processing yield, are avoided; the green laser processing device is adopted for processing, so that the laser power is low, the power consumption is low, the thermal deformation of the product is small, the welding effect and stability are better, and the fusion depth consistency and the drawing force of a welding position are effectively optimized;
3. the soaking plate is assembled in the installation area corresponding to the middle frame, alignment assembly is achieved through the installation area, the situation of dislocation installation is avoided, the laser beam of the green laser processing device is controlled to conduct welding treatment on the soaking plate and the middle frame along the periphery of the installation area, the soaking plate and the middle frame are stably connected through welding treatment, the problems that due to the fact that the glue process is adopted to complete glue aging, the service life is short and the like caused by adhesion are avoided, and the service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a flowchart of an embodiment of a method of welding a vapor chamber and a middle frame according to the present invention;
FIG. 2 is a flowchart illustrating steps S51-S52 according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating an embodiment of step S6;
FIG. 4 is a schematic view of one embodiment of a spiral weld path of the present invention;
FIG. 5 is a schematic structural view of one embodiment of the vapor chamber of the present invention;
FIG. 6 is a schematic structural diagram of an embodiment of a middle frame of the present invention;
FIG. 7 is a schematic structural diagram of a heat dissipation structure according to an embodiment of the present invention;
in the figure: 100. a heat dissipation structure; 101. a middle frame; 1011. an installation area; 102. a vapor chamber; 103. and welding point positions.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that, if all the directional indications in the embodiments of the present invention are only used to explain the relative position relationship, the motion situation, etc. of each component in a certain posture, if the certain posture is changed, the directional indication is changed accordingly.
If in the present invention the description referring to "first", "second", etc. is used for descriptive purposes only and not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. If the description of "a and/or B" is referred to in the present invention, it means that either scheme a or scheme B is included, or both scheme a and scheme B are included. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 7, the invention discloses a method for welding a soaking plate and a middle frame, laser processing equipment and a heat dissipation structure, which are used for optimizing the heat dissipation function of electronic equipment and solving the problem of poor welding effect caused by unstable welding process.
The invention provides a method for welding a soaking plate and a middle frame, which is applied to a mobile terminal and comprises the following steps:
s1, acquiring a thermal deformation temperature threshold of the soaking plate;
s2, determining a welding path of a welding spot and processing parameters of a matched green laser processor according to the thermal deformation temperature threshold, wherein the processing parameters comprise laser wavelength and laser power;
s3, assembling the soaking plate into the mounting area corresponding to the middle frame;
and S4, controlling the laser beam of the green laser processor to weld the soaking plate and the middle frame along the periphery of the mounting area according to the welding spot welding path and the processing parameters to obtain a processing assembly.
And determining a welding path of a welding spot and processing parameters of the matched green laser processor according to the thermal deformation temperature threshold of the soaking plate so as to optimize the heat dissipation function of the mobile terminal, avoid the influence on the performance due to high temperature and ensure the long-time normal operation of the electronic equipment of the mobile terminal. It should be noted that the thermal deformation temperature threshold may be a minimum temperature sufficient to cause thermal deformation of the soaking plate, or may be a minimum temperature sufficient to affect the performance of the heat dissipation structure.
Compared with the common non-contact welding process of neodymium-doped yttrium aluminum garnet (Nd: YAG) lasers and the like and the optical fiber laser welding process of quasi-continuous (QCW) lasers and the like, the green laser processor is suitable for sheet materials with various thicknesses, has wider welding range and high green laser frequency, so that a riveting structure is formed between the soaking plate and the middle frame, reliable connection is realized, and due to the high absorption rate of metal to green light, the processing parameters of the matched green laser processor are adopted, effective welding can be realized, the use power of laser processing equipment is reduced, the thermal deformation of the soaking plate and the middle frame is optimized, the welding surface state is prevented from being influenced due to the instability of the welding process, surface splashing occurs, the welding spot fusion depth is inconsistent, the welding strength is unstable, and the processing yield is prevented from being influenced; the green laser processing device is adopted for processing, the laser power is small, the power consumption is low, the thermal deformation of the product is small, the welding effect and the stability are better, and the fusion depth consistency and the drawing force of the welding position are effectively optimized.
Assemble the soaking plate to the installing zone that the center corresponds in, realize the assembly of counterpointing through the installing zone, avoid appearing the condition of dislocation installation, control green glow laser processing ware's laser beam carries out welding treatment to soaking plate and center along the installing zone periphery, adopts welding treatment to make soaking plate and center firm connection, avoids appearing because of adopting the viscose technology to accomplish the viscose that the adhesion leads to ageing, adhesion nature descends, life weak point scheduling problem, increase of service life.
Optionally, the green laser processor here may adopt a nanosecond laser processor, the nanosecond laser processor may be adapted to a thin plate, and the nanosecond laser processor has characteristics of high peak laser power and high operating frequency to ensure stable welding, so that a position where the soaking plate and the middle frame are joined to each other is partially vaporized and partially melted, and a riveting structure is formed between faces where the soaking plate and the middle frame are joined to each other, thereby realizing reliable connection. Because the nanosecond is integrated by a plurality of tiny points, the energy of each tiny point is low, so the splashing condition can hardly occur in the welding process, and the depth of a welding pool is uniform, the melting depth is deep, and the welding tension value is large. Compared with other welding equipment, the nanosecond laser welder has lower power, and can adjust the spiral thread pitch and the welding spot diameter width according to the actual processing requirements when welding treatment is realized by adopting welding paths such as a spiral welding path.
It can be understood that the middle frame is provided with a mounting area matched with the soaking plate, the thickness of the inner periphery of the mounting area is not larger than the average thickness of the middle frame, and the inner diameter of the mounting area is not larger than the outer diameter of the soaking plate. Before the soldering process is performed as shown in step S4, step S3 is performed to attach the heat spreader to the inner frame by aligning the mounting area. Of course, in the actual machining process, it is not excluded to perform steps S1 to S2 first, and then perform step S3; alternatively, step S3 is executed first, and then steps S1 to S2 are executed.
Further, the soaking plate is made of stainless steel materials, the thickness of the soaking plate is 0.2 +/-0.1 mm, the middle frame is made of aluminum alloy materials, optionally, the middle frame is made of 6 series aluminum alloy, and the common 6 series aluminum alloy is aluminum alloy taking magnesium and silicon as main alloy elements, belongs to wrought aluminum alloy, and is light in weight, low in price, easy to process and convenient to obtain materials.
Furthermore, the middle frame is provided with an installation area suitable for the soaking plate, the soaking plate is installed in the middle of the soaking plate in a matching mode through the installation area, and the laser beam of the green laser processor is controlled to carry out welding treatment on the soaking plate and the middle frame along the periphery of the installation area according to a welding spot welding path and machining parameters so as to obtain a machined assembly. In the actual production process, do not exclude to set up the soaking board outer peripheral edges with the peridium contact connection in the installing zone is used for with the soaking board adaptation install in the installing zone that the center middle part corresponds avoids position deviation to appear in assembling process. The soaking plate is arranged below the upper frame and the middle frame, a welding pool is welded at the welding point of the soaking plate through a laser beam, the welding pool extends into the installation area of the middle frame from the soaking plate, a riveting structure is formed between the mutually jointed surfaces of the soaking plate and the middle frame, and the mutually contacted surfaces of the soaking plate and the installation area are tightly combined to complete the welding treatment of the soaking plate and the middle frame.
In order to avoid the welding temperature from being too high to cause thermal deformation, in an embodiment, a temperature detection device is arranged along the mounting area, and the method further comprises the following steps:
s51, controlling the temperature detection device to measure the temperature of the welding point edge of the welding point in real time while executing the step S4;
and S52, controlling the green laser processor to work when the temperature on the welding spot edge is not higher than the thermal deformation temperature threshold.
Optionally, the temperature detection device employs a temperature sensor. In order to effectively detect the temperature on the welding point edge, the temperature sensor is used for detecting the temperature on the welding point edge of each welding point position which is being welded in real time. It should be noted that, in the present application, a temperature detection device is disposed along the installation area, the soaking plate and the middle frame may be welded on the workbench, optionally, one or more temperature detection devices may be disposed on the workbench along the middle frame installation area, and according to the welding process, the temperature on the welding point edge of the welding point where welding is being performed or the welding process is just completed is obtained in real time by one or more temperature detection devices; or, the temperature detection device is controlled to follow the welding process of the green laser processing device, the temperature detection device advances along the installation area, the temperature of the welding point edge of each welding point position which is being welded is detected in real time during welding, and the edge welding edge temperature measurement is realized; of course, the temperature of the welding point edge of the welding point position where the welding process is finished is detected in real time by the temperature detection device while the welding process of each welding point position is finished according to actual processing.
In this document, the temperature detection device is configured to detect the temperature at the welding spot edge of each welding spot in real time, and to avoid thermal deformation, the temperature at the welding spot edge needs to be not greater than or less than the thermal deformation temperature threshold, and when the temperature at the welding spot edge is not higher than the thermal deformation temperature threshold, the green laser processing device is controlled to operate, and optionally, the welding of the green laser processing device can be controlled or suspended according to the temperature at the welding spot edge; or the green laser processor is turned on or off according to the temperature on the welding spot edge; of course, it is not excluded to control the laser power, welding speed, etc. of the green laser processor according to the temperature on the welding spot edge to avoid the welding temperature from being too high due to continuous high power or high speed welding.
In an embodiment, the welding method further comprises the steps of:
and S6, acquiring the processing assembly information of the processing assembly, and determining the processing assembly matched with the preset condition as a target heat dissipation structure according to the processing assembly information.
The method is used for carrying out quality inspection on the processing assembly and screening out a target heat dissipation structure matched with a preset condition from the obtained processing assembly. It should be noted that, in addition to screening the processing assemblies obtained in steps S1 to S4 and S51 to S52 to obtain the target heat dissipation structure matching the preset conditions, step S6 shown in this document can also verify the welding path of step S4 and the processing parameters of the green laser processor to a certain extent, so as to facilitate the next processing.
It can be understood that the preset condition refers to target heat dissipation structure information preset according to actual processing requirements, and of course, the target heat dissipation structure information preset by the preset condition may be preset based on the thermal deformation temperature threshold of the soaking plate and actual processing requirements, and is used for serving as comparison for the processing component information to screen out the target heat dissipation structure.
Further, the preset conditions include preset welding spot parameters, preset tension values and the like, wherein the preset welding spot parameters include one or more of preset welding spot diameter width, preset welding spot path data and preset welding spot protrusion height. The processing assembly information comprises welding spot data and a welding tension value, wherein the welding spot data comprises one or more of welding spot diameter width, welding spot path data and welding spot protrusion height.
In an embodiment, step S6 is implemented by using a test system, where the test system includes a display and a tensile machine, and the step S6 specifically includes:
displaying an image of the processing assembly on the display, and determining welding point data of the processing assembly;
controlling the tensile machine to obtain a welding tension value between the soaking plate and the middle frame;
and when the welding spot data and the welding tension value of the processing assembly respectively meet the preset welding spot parameters and the preset tension value, determining that the processing assembly is a target heat dissipation structure.
In order to avoid the aging and the reduction of the adhesion of the adhesive tape caused by the adoption of the traditional gluing process, the gluing tension of the traditional gluing process is used as a contrast, so that the welding tension of the target heat dissipation structure obtained by the method disclosed by the application is larger than the welding tension of the traditional gluing process. Optionally, the predetermined pull force value described herein is a conventional adhesive pull force value, such that the welding pull force value is not less than or even greater than the adhesive pull force value.
Further, the adhesive pull value is 85N to 185N, that is, the preset pull value is set to 85N to 185N.
Alternatively, the display here may be a VHX-5000 digital display, and the image of the processing assembly is displayed by the display, and further, the image of the welding surface of the processing assembly is displayed by the display, and the welding spot diameter width and the welding path of the welding surface of the processing assembly can be visually displayed by the display. Of course, the display can also be used for displaying the side surface of the processing assembly so as to visually display the protruding height of the welding spot of the processing assembly, the deformation of the soaking plate and the middle frame under the action of external push-pull force, the thermal deformation of the soaking plate and the middle frame and the like.
In an embodiment, step S6 specifically includes the following steps:
s61, displaying the image of the processing assembly on the display, and determining welding point data of the processing assembly;
s62, judging whether the welding spot data of the processing assembly meet the preset welding spot parameters, if so, executing steps S63-S64, otherwise, executing steps S65-S66;
s63, controlling the tensile machine to obtain the welding tension value between the soaking plate and the middle frame;
s64, judging whether the welding tension value reaches a preset tension value, if not, executing steps S65-S66, and if so, executing step S67;
s65, obtaining machining error data;
s66, determining the repaired welding spot welding path and the repaired machining parameters according to the machining error data, and executing a step S4;
and S67, determining the machining assembly reaching the preset tension value as a target heat dissipation structure.
Further, it can be understood that there are a plurality of processing assemblies obtained through steps S1 to S4 and steps S51 to S52 of the method described herein, and the tensile machine can be controlled to obtain all or part of the welding tensile values of the processing assemblies without excluding sampling tests in the actual implementation process because the processing flows of the plurality of processing assemblies are consistent. Optionally, controlling a tensile machine to obtain welding tension values of all the machining assemblies one by one, and determining the machining assemblies with the welding tension values reaching preset tension values as target heat dissipation structures; of course, the tensile machine may be controlled to obtain the welding tensile values of some of the processing assemblies, and when the average value of the obtained welding tensile values reaches the preset tensile value, the processing assembly obtained through the welding path and the processing parameters is determined to be the target heat dissipation structure.
It should be noted that the method described in the present application is implemented using a laser processing apparatus that includes a green laser processor that needs to be debugged before performing the method described in the present application. The "machining error" in step S65 of the present application refers to an error that inevitably occurs in the process of performing the welding process on the soaking plate and the middle frame due to the equipment itself, the welding operation, and the like. The "machining error value" refers to a difference between the machining component information of the machining component obtained after the welding process is completed and a preset condition, and the machining component information is adjusted by repairing, optimizing or debugging the welding path of the welding spot and the machining parameters of the green laser machining device according to the machining error value. For example: adjusting the outer radius of the welding path in the welding path data by debugging the welding path of the welding point, welding according to the welding path of the welding point and the processing parameters to obtain a new processing assembly, matching the information of the processing assembly of the new processing assembly with the preset condition, repeating the steps if the information of the processing assembly is not matched with the preset condition until the information of the processing assembly obtained after repairing is matched with the preset condition, and processing the target heat dissipation structure to reduce errors and improve the yield.
It should be noted that, whether the welding tension value reaches the preset tension value is judged, the welding tension value acquired by the tension machine can be directly compared with the preset tension value, it can be understood that, in the actual processing process, after the step S63 is completed, the deformation of the processing assembly is displayed through a display, optionally, when the soaking plate deforms, the processing assembly is determined not to satisfy the preset condition, of course, the deformation can also be preset, and when the soaking plate deforms and the deformation degree exceeds the preset deformation, the processing assembly is determined not to satisfy the preset condition.
In one embodiment, the laser wavelength is 500nm to 560nm, and the laser power is 15W to 55W.
Further, in order to further optimize the welding effect, the laser wavelength of the laser beam is set to be 530nm to 535 nm.
By optimizing the processing parameters of the green laser processor, the laser power is reduced under the condition of no back mark, the power consumption is avoided, and the depth of a welding pool of the processing assembly is uniform, and the welding tension value reaches a preset tension value.
It should be noted that, the present application sets the processing parameters of the green laser processor according to the actual processing requirements, wherein the laser power is 15W to 55W, and further, the laser power is 30W to 35W according to the actual use situation.
Of course, in actual processing, when the target heat dissipation structure is mass-produced, if the green laser processor operates according to 100% of the set laser power, attenuation inevitably occurs, which affects the actual processing quality. In practical use cases, it is not excluded to enlarge the set value of the laser power of the green laser processor and to operate the green laser processor at 65% to 95% of the set laser power according to the actual processing requirements. Alternatively, the laser power shown in the present application is 15W to 55W as a setting range of the laser power required for actual processing and the laser power settable in the production process, 15W to 35W as a further preferable example of the laser power required for actual processing, and 30W to 55W as a further preferable example of the laser power settable in the production process.
It is understood that the laser power of the green laser processor shown is 15W to 55W as a preferred example of the present application, and that it is not excluded to scale the processing parameters of the green laser processor shown in the present application depending on the actual process flow and the green laser processor used.
In an embodiment, the preset condition includes a preset welding spot parameter and a preset tension value, wherein the preset welding spot parameter includes one or more of a preset welding spot diameter width, preset welding spot path data and a preset welding spot protrusion height; the processing assembly information comprises welding spot data and a welding tension value, wherein the welding spot data comprises one or more of welding spot diameter width, welding spot path data and welding spot protrusion height.
In one embodiment, the weld joint welding path is one or more of a spiral welding path, a cross welding path, and a circular welding path.
Further, the soaking plate and the middle frame are subjected to welding treatment along the mounting area, and welding points are circumferentially arranged at the positions where the soaking plate and the middle frame are mutually jointed. The welding point number is one or more, the welding point welding paths are also one or more, when the welding point welding paths are multiple, the welding point welding paths can be arranged at equal intervals or unequal intervals, and the welding point welding paths can be the same or different. The welding path of the welding point includes, but is not limited to, a spiral welding path, a # -shaped welding path, an annular welding path and other welding path profiles, the annular welding path may be a spiral line with a circular, elliptical or outward-spiral profile in an annular shape, and of course, the annular welding path may also be a polygonal welding path with a chain ring shape formed by connecting horizontal lines and vertical lines. In the actual processing process, the welding point welding path can adopt at least one of a spiral welding path, a # -shaped welding path, an annular welding path and other welding point welding paths. Furthermore, the laser beam of the green laser processor is arranged to weld the soaking plate and the middle frame along a welding spot welding path, the welding spot welding path can adopt one of a spiral welding path, a # -shaped welding path and an annular welding path, so that the welding area of the laser beam is annular, gas pores and welding errors in a welding pool are effectively reduced, and the welding quality is optimized.
Further, the adhesive pulling force value is 85N to 185N, that is, the preset pulling force value is set to 85N to 185N. In the actual process, one or more values/one or more value ranges can be selected from the above-mentioned preset tension value range for comparison.
In the laser welding method, which is one of the examples shown in the present application, the weld point data of the processed component can be determined from the processed component image displayed on the display.
Optionally, on the basis of the image displayed by the display, a welding tension value of the processing assembly after the welding treatment is completed is obtained by a tension machine, and the obtained welding tension value is compared with a preset tension value to judge whether the processing assembly is the target heat dissipation structure. It should be noted that, since the welding tension value between the soaking plate and the middle frame is obtained by the tensile machine, the machined assembly is inevitably deformed by the tensile force, and if there are a plurality of machined assemblies obtained through steps S1 to S4 and steps S51 to S52, in the actual operation process, the tensile test may be performed only on one or more of the plurality of machined assemblies. Of course, if the method described herein is used for manufacturing tests in a manufacturing process, the tensile machine may be controlled to apply a push-pull force to all or a portion of the manufactured assembly obtained by the above steps to obtain a welding tension value between the soaking plate and the middle frame. Alternatively, the welding tension value here may be an average or median of a plurality of welding tension values, and one or more of the processed components obtained through steps S1 to S4 and steps S51 to S52. When a plurality of machining assemblies are obtained, the welding tension value may be an average value or a median of the welding tension values of the plurality of machining assemblies, and similarly, the preset tension value may be an average value or a median of the preset tension values, or may be a value range of the welding tension value of each machining assembly.
It can be understood that the display displays the side image of the processing assembly to visually display the protruding height of the welding spot, and to avoid the unaesthetic appearance caused by the excessively high protruding height of the welding spot, or the insufficient soldering caused by the insufficient soldering of the welding spot, etc. The application file displays the projection height of the welding spot through a display, and particularly can obtain one to more projection data of the welding spot by measuring the projection height of the welding spot. Optionally, the solder bump height shown in this document may be a median or an average of a plurality of solder bump data, or may be a difference between a maximum bump height and a minimum bump height. Further, the preset solder bump height may be a preset solder bump median, a preset solder bump average, or a difference between a preset maximum bump height and a preset minimum bump height, and similarly, the value ranges of the preset solder bump height, the solder bump average, the difference between the maximum solder bump height and the minimum solder bump height, and the like, which are set as the solder bump median, the solder bump average, the difference between the maximum solder bump height and the minimum solder bump height, are not excluded.
In an embodiment, the preset tension value is 85N to 175N, the preset welding spot diameter width is 0.7mm to 1.2mm, the welding spot welding path is a spiral welding path, the preset welding spot path data includes a preset welding thread inner radius, a preset welding thread outer radius and a preset welding pitch, the preset welding thread inner radius is 0.03 ± 0.01mm, the preset welding thread outer radius is 0.4mm to 0.5mm, and the preset welding pitch is 0.035mm to 0.045 mm.
Further, in the method described in the present application, the welding path of the welding spot adopts a spiral welding path, and referring to fig. 4, the traveling path of the laser beam may be screwed out from inside to outside, and travels along a spiral line in an outwardly expanding manner; or the screw can be screwed from outside to inside and can move along the spiral line in a mode of inward contraction.
As one of the examples of this application, the thermal deformation temperature threshold of soaking board is 90 ℃, uses the gluey technology pulling force average value of point as presetting the pulling force value, it is 130N to preset the pulling force value, it is 1.0mm to preset the solder joint footpath width, solder joint welding route is spiral welding route, it is 0.03 + -0.01 mm to preset welding screw thread inner radius, it is 0.5 + -0.01 mm to preset welding screw thread outer radius, it is 0.045 + -0.005 mm to preset welding screw pitch, and in this example, it is not more than 60 μm to preset solder joint protrusion height.
And carrying out welding treatment on the soaking plate and the middle frame according to the thermal deformation temperature threshold and the processing parameters, wherein the laser wavelength is 530-535 nm, the set laser power is 35-55W, the green laser processor is operated at 90% of the set laser power, the average welding spot diameter width of the obtained processing assembly is 1.0mm, the projection height of the welding spot is 50-55 μm, and the welding tension value is 300-350N. The welding spot diameter width, the welding spot path data and the welding spot protrusion height of the processing assembly meet preset welding spot parameters, the welding tension value reaches the preset tension value, and the processing assembly basically does not deform, so that the processing assembly processed through the welding spot welding path and the processing parameters is determined to be a target heat dissipation structure.
As a second example of the present application, the thermal deformation temperature threshold of the soaking plate is 90 ℃, the average value of the pulling force of the dispensing process is taken as a preset pulling force value, the preset pulling force value is 130N, the preset welding spot diameter width is 0.8mm, the welding spot welding path is a spiral welding path, the preset welding thread inner radius is 0.03 ± 0.01mm, the preset welding thread outer radius is 0.4 ± 0.01mm, the preset welding thread pitch is 0.035 ± 0.005mm, and in this example, the preset welding spot protrusion height is not more than 60 μm.
And carrying out welding treatment on the soaking plate and the middle frame according to the thermal deformation temperature threshold and the processing parameters, wherein the laser wavelength is 530-535 nm, the set laser power is 35-55W, the green laser processor is operated at 90% of the set laser power, the average welding spot diameter width of the obtained processing assembly is 0.8mm, the projection height of the welding spot is 50-55 μm, and the welding tension value is 180-280N. The welding spot diameter width, the welding spot path data and the welding spot protrusion height of the processing assembly meet preset welding spot parameters, the welding tension value reaches the preset tension value, and the processing assembly basically does not deform, so that the processing assembly processed through the welding spot welding path and the processing parameters is determined to be a target heat dissipation structure.
The invention also provides laser processing equipment which comprises a green laser processor, a temperature detection device and a test system.
The green laser processor is used for carrying out welding treatment on the soaking plate and the middle frame to obtain a processing assembly; the temperature detection device is used for measuring the temperature on the welding spot side of the welding spot position in real time while welding treatment is carried out; the test system is used for obtaining the processing assembly information of the processing assembly, the processing assembly information comprises welding spot data and welding tension values, the test system comprises a display and a tension machine, the display is used for displaying the image of the processing assembly to determine the welding spot data of the processing assembly, and the tension machine is used for obtaining the soaking plate and the welding tension values between the middle frames.
The laser wavelength of the laser beam of the green laser processing device is 500nm to 560nm, and the laser power is 30W to 55W.
In addition, the green laser processing device also comprises a field lens, the field lens is used as a focusing optical component, and the focal length F of the field lens is one of 120mm, 140mm, 160mm, 163mm, 170mm and 180 mm. Furthermore, according to the actual processing requirement, when the precise component is processed, optionally, the focal length F of the field lens is 150mm to 170mm, so as to ensure that the light points of the laser beams are consistent, avoid the inconsistent welding effect caused by the overlarge change of the welding effect along with the ambient temperature, and make the welding effect more stable.
Optionally, the laser processing apparatus is applied to the method for welding the soaking plate and the middle frame described in this document, and the specific embodiment of the laser processing apparatus is as described above and will not be described herein again.
The invention also provides a heat dissipation structure 100, referring to fig. 5 to 7, the heat dissipation structure 100 comprises a vapor chamber 102 and a middle frame 101, wherein the middle frame is provided with an installation area 1011 suitable for the vapor chamber, and the vapor chamber is welded in the middle of the vapor chamber in a matching way through the installation area; the soaking plate is made of stainless steel materials, and the middle frame is made of aluminum alloy materials.
Optionally, the heat dissipation structure is obtained by welding a soaking plate and a middle frame, the soaking plate is arranged below the upper frame and the middle frame, a welding pool is welded at the welding point 103 of the soaking plate through a laser beam of a green laser processor, the welding pool extends from the welding point 103 of the soaking plate to the mounting area of the middle frame, a riveting structure is formed between the surfaces of the soaking plate and the mounting area, which are in contact with each other, so that the surfaces of the soaking plate and the mounting area are tightly combined, and the welding treatment of the soaking plate and the middle frame is completed.
Optionally, the welding method of the soaking plate and the middle frame shown in the present application is used for obtaining the heat dissipation structure, and the specific embodiment is as described above, and is not described herein again.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method for welding a soaking plate and a middle frame is applied to a mobile terminal and is characterized by comprising the following steps:
s1, acquiring a thermal deformation temperature threshold of the soaking plate;
s2, determining a welding path of a welding spot and processing parameters of a matched green laser processor according to the thermal deformation temperature threshold, wherein the processing parameters comprise laser wavelength and laser power;
s3, assembling the soaking plates into the corresponding mounting areas of the middle frame;
and S4, controlling the laser beam of the green laser processor to carry out welding treatment on the soaking plate and the middle frame along the periphery of the mounting area according to the welding path of the welding spot and the processing parameters to obtain a processed assembly.
2. The method of claim 1, wherein temperature sensing devices are provided along the mounting area, the method further comprising the steps of:
s51, controlling the temperature detection device to measure the temperature of the welding point edge of the welding point in real time while executing the step S4;
and S52, controlling the green laser processor to work when the temperature on the welding spot edge is not higher than the thermal deformation temperature threshold.
3. The method according to claim 1, characterized in that the method further comprises the steps of:
and S6, acquiring the processing assembly information of the processing assembly, and determining the processing assembly matched with the preset condition as a target heat dissipation structure according to the processing assembly information.
4. The method according to claim 3, wherein the step S6 is implemented by using a test system, the test system comprises a display and a tensile machine, and the step S6 specifically comprises:
displaying the image of the processing assembly on the display, and determining welding point data of the processing assembly;
controlling the tensile machine to obtain a welding tension value between the soaking plate and the middle frame;
and when the welding spot data and the welding tension value of the processing assembly respectively meet the preset welding spot parameters and the preset tension value, determining that the processing assembly is a target heat dissipation structure.
5. The method according to claim 4, wherein step S6 specifically comprises the steps of:
s61, displaying the image of the processing assembly on the display, and determining welding point data of the processing assembly;
s62, judging whether the welding spot data of the processing assembly meet the preset welding spot parameters, if so, executing steps S63-S64, otherwise, executing steps S65-S66;
s63, controlling the tensile machine to obtain the welding tensile value between the soaking plate and the middle frame;
s64, judging whether the welding tension value reaches a preset tension value, if not, executing steps S65-S66, and if so, executing step S67;
s65, acquiring machining error data;
s66, determining the repaired welding spot welding path and the repaired machining parameters according to the machining error data, and executing a step S4;
and S67, determining the machining assembly reaching the preset tension value as a target heat dissipation structure.
6. The method of claim 1, wherein the laser wavelength is 500nm to 560nm and the laser power is 15W to 55W.
7. The method of claim 3, wherein the preset conditions comprise preset weld spot parameters and preset tension values, wherein the preset weld spot parameters comprise one or more of preset weld spot diameter width, preset weld spot path data and preset weld spot protrusion height; the processing assembly information comprises welding spot data and a welding tension value, wherein the welding spot data comprises one or more of welding spot diameter width, welding spot path data and welding spot protrusion height.
8. The method of claim 7, wherein the preset tension value is 85N to 175N, the preset spot diameter width is 0.7mm to 1.2mm, the spot weld path is a helical weld path, the preset spot path data includes a preset weld thread inner radius, a preset weld thread outer radius, a preset weld pitch, the preset weld thread inner radius is 0.03 ± 0.01mm, the preset weld thread outer radius is 0.4mm to 0.5mm, and the preset weld pitch is 0.035mm to 0.045 mm.
9. A laser machining apparatus, characterized by comprising:
the green laser processor is used for carrying out welding treatment on the soaking plate and the middle frame to obtain a processing assembly;
the temperature detection device is used for measuring the temperature on the welding point edge of the welding point position in real time while welding treatment is carried out;
the test system is used for acquiring the processing assembly information of the processing assembly, the processing assembly information comprises welding spot data and welding tension values, the test system comprises a display and a tension machine, the display is used for displaying the image of the processing assembly to determine the welding spot data of the processing assembly, and the tension machine is used for acquiring the soaking plate and the welding tension values between the middle frames.
10. A heat dissipation structure is characterized by comprising a vapor chamber and a middle frame, wherein the middle frame is provided with an installation area suitable for the vapor chamber, and the vapor chamber is welded in the middle of the vapor chamber in a matching way through the installation area; the soaking plate is made of stainless steel materials, and the middle frame is made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567289.XA CN114918537A (en) | 2022-05-20 | 2022-05-20 | Welding method of vapor chamber and middle frame, laser processing equipment and heat dissipation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210567289.XA CN114918537A (en) | 2022-05-20 | 2022-05-20 | Welding method of vapor chamber and middle frame, laser processing equipment and heat dissipation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114918537A true CN114918537A (en) | 2022-08-19 |
Family
ID=82811551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210567289.XA Pending CN114918537A (en) | 2022-05-20 | 2022-05-20 | Welding method of vapor chamber and middle frame, laser processing equipment and heat dissipation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114918537A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774090A (en) * | 2009-12-25 | 2010-07-14 | 武汉凌云光电科技有限责任公司 | High-power semiconductor laser constant-temperature welding device |
| CN104677751A (en) * | 2015-02-28 | 2015-06-03 | 重庆理工大学 | Quality detection method for resistance-spot-welding spots on basis of calculation of thermal effect of welding process |
| CN106624312A (en) * | 2016-12-31 | 2017-05-10 | 广州三五汽车部件有限公司 | Method for determining spot welding process parameters of multilayer aluminium plating steel plate |
| CN208116981U (en) * | 2018-04-26 | 2018-11-20 | 广东电网有限责任公司 | Welding machine and welding unit equipment |
| US20180369896A1 (en) * | 2017-06-22 | 2018-12-27 | Asia Vital Components Co., Ltd. | Method of manufacturing a heat dissipation device |
| CN109530917A (en) * | 2018-12-24 | 2019-03-29 | 大族激光科技产业集团股份有限公司 | Laser welding system and method |
| CN111496413A (en) * | 2020-04-28 | 2020-08-07 | Oppo（重庆）智能科技有限公司 | Method for detecting welding quality of welding spot and positioning mechanism |
| CN112529884A (en) * | 2020-12-17 | 2021-03-19 | 中国石油大学(华东) | Welding spot quality evaluation method based on indentation characteristic image recognition |
| CN112702892A (en) * | 2020-12-21 | 2021-04-23 | 维沃移动通信有限公司 | Electronic device |
| CN112815750A (en) * | 2021-01-11 | 2021-05-18 | 东莞领杰金属精密制造科技有限公司 | Manufacturing method of vapor chamber, vapor chamber and middle frame vapor chamber |
| CN214815697U (en) * | 2020-11-13 | 2021-11-23 | 深圳市杰普特光电股份有限公司 | Laser welding device |
-
2022
- 2022-05-20 CN CN202210567289.XA patent/CN114918537A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101774090A (en) * | 2009-12-25 | 2010-07-14 | 武汉凌云光电科技有限责任公司 | High-power semiconductor laser constant-temperature welding device |
| CN104677751A (en) * | 2015-02-28 | 2015-06-03 | 重庆理工大学 | Quality detection method for resistance-spot-welding spots on basis of calculation of thermal effect of welding process |
| CN106624312A (en) * | 2016-12-31 | 2017-05-10 | 广州三五汽车部件有限公司 | Method for determining spot welding process parameters of multilayer aluminium plating steel plate |
| US20180369896A1 (en) * | 2017-06-22 | 2018-12-27 | Asia Vital Components Co., Ltd. | Method of manufacturing a heat dissipation device |
| CN208116981U (en) * | 2018-04-26 | 2018-11-20 | 广东电网有限责任公司 | Welding machine and welding unit equipment |
| CN109530917A (en) * | 2018-12-24 | 2019-03-29 | 大族激光科技产业集团股份有限公司 | Laser welding system and method |
| CN111496413A (en) * | 2020-04-28 | 2020-08-07 | Oppo（重庆）智能科技有限公司 | Method for detecting welding quality of welding spot and positioning mechanism |
| CN214815697U (en) * | 2020-11-13 | 2021-11-23 | 深圳市杰普特光电股份有限公司 | Laser welding device |
| CN112529884A (en) * | 2020-12-17 | 2021-03-19 | 中国石油大学(华东) | Welding spot quality evaluation method based on indentation characteristic image recognition |
| CN112702892A (en) * | 2020-12-21 | 2021-04-23 | 维沃移动通信有限公司 | Electronic device |
| CN112815750A (en) * | 2021-01-11 | 2021-05-18 | 东莞领杰金属精密制造科技有限公司 | Manufacturing method of vapor chamber, vapor chamber and middle frame vapor chamber |
Non-Patent Citations (1)
| Title |
|---|
| R.A.林德伯格等: "焊接及其它连接方法", 科学技术文献出版社重庆分社, pages: 534 - 535 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101569961B (en) | Laser welding method for butting two pieces of metal sheets | |
| CN112404713B (en) | OLED laser welding system and temperature control method | |
| US20030180014A1 (en) | Method of fabricating an optical module including a lens attached to a platform of the optical module | |
| CN110548990B (en) | Light beam control method and system for laser welding of precise structural part of power battery | |
| EP2952918A1 (en) | Optical non-destructive inspection method and optical non-destructive inspection apparatus | |
| EP3868509B1 (en) | Laser welding method and laser welding monitoring system for a secondary battery | |
| CN105171234B (en) | Robotic laser welds defocusing amount automatic regulating apparatus and its automatic adjusting method | |
| CN103071924B (en) | Method for laser welding thin metal workpieces with plating thickness smaller than 10Mu m | |
| CN114918537A (en) | Welding method of vapor chamber and middle frame, laser processing equipment and heat dissipation structure | |
| CN201316871Y (en) | Adjusting device of laser welding machine | |
| CN211018997U (en) | Lens holder assembly and camera module comprising same | |
| CN109093252B (en) | Method for welding laminated metal foil | |
| CN114749799B (en) | Automatic composite welding device of monitoring | |
| CN114749794A (en) | Laser welding method, laser processing equipment and workpiece with sandwich structure | |
| JP3589493B2 (en) | Melt processing apparatus, melt processing control method, and melt processing monitoring method | |
| CN115647583A (en) | Laser welding control method and device, electronic equipment and storage medium | |
| CN117655525B (en) | Automatic welding method and device for power battery connecting sheet | |
| CN207668685U (en) | A kind of equipment that electric resistance welding position is determined based on CCD | |
| JP2010125502A (en) | Laser beam machining method, and laser beam machining apparatus | |
| JPH08304668A (en) | Laser welding method for fixing optical element | |
| KR101221052B1 (en) | Resistance spot welding method | |
| CN112965180B (en) | NA coupling device for integrated coupling, NA control and detection and building method | |
| CN107768801A (en) | One kind miniaturization all-around top absorbing antenna | |
| JP4823715B2 (en) | Laser beam welding method for metal member for spectacles | |
| CN117798494B (en) | Design method and system for flat wire motor terminal laser scanning welding process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |