CN114905028A - In-mold die-casting insert method and in-mold die-casting insert device based on optical communication module - Google Patents
In-mold die-casting insert method and in-mold die-casting insert device based on optical communication module Download PDFInfo
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- CN114905028A CN114905028A CN202210544987.8A CN202210544987A CN114905028A CN 114905028 A CN114905028 A CN 114905028A CN 202210544987 A CN202210544987 A CN 202210544987A CN 114905028 A CN114905028 A CN 114905028A
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- die
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/04—Bringing together or separating moulds
Abstract
The invention relates to the field of precision die-casting manufacturing, in particular to an in-mold die-casting insert method and an in-mold die-casting insert device based on an optical communication module, wherein the method comprises the following steps: determining an area with higher heat productivity on an optical communication module to be cast, arranging a containing part corresponding to the area in a mold cavity of a mold, placing an insert on the containing part, then closing the mold, controlling proper material temperature, mold cavity temperature and flow rate of materials at each section of a conveying part, and transferring a casting to an ultrasonic water gap removing machine to remove a water gap and a slag ladle of the casting after the materials are filled and cooled and formed. According to the in-mold die-casting insert method and the in-mold die-casting insert device based on the optical communication module, the problem that the whole casting is slow in heat dissipation is solved, the heat dissipation efficiency and the service life of the casting are greatly improved, and the cost of later-period damage maintenance is reduced.
Description
[ technical field ] A
The invention relates to the field of precision die-casting manufacturing, in particular to an in-mold die-casting insert method and an in-mold die-casting insert device based on an optical communication module.
[ background of the invention ]
With the development of new services and application modes such as cloud computing, mobile internet, video and the like, the development and progress of the optical communication technology become increasingly important. In the optical communication technology, a tool for realizing the mutual conversion of photoelectric signals in the optical communication module is one of key devices in optical communication equipment, and along with the development requirement of the optical communication technology, the transmission rate of the optical communication module is also continuously improved, along with higher integration level and higher power density of the optical communication module, the heat productivity of the optical communication module is increased, and the heat cannot be timely dissipated, so that the heat dissipation efficiency and the service life of the optical communication module are influenced. The mainstream scheme in the current market is the welding combination of zinc, aluminum alloy and copper block tin paste, and the copper block is easy to fall off under the influence of external force when the copper block is used, so that the heat dissipation effect of the copper block is greatly influenced.
[ summary of the invention ]
The invention aims to provide an in-mold die-casting insert method and an in-mold die-casting insert device based on an optical communication module, which solve the problem of slow overall heat dissipation of a casting, greatly improve the heat dissipation efficiency and prolong the service life of the casting, and reduce the cost of later-period damage maintenance.
The application is realized by the following technical scheme: an in-mold die-casting insert method based on an optical communication module comprises the following steps:
step S1, determining the area with higher heat productivity on the optical communication module to be cast, arranging an accommodating part corresponding to the area in the die cavity, and placing the insert on the accommodating part;
step S2: the method comprises the following steps of (1) closing a mold, detecting and regulating the temperature of a material and the temperature of a cavity, injecting the material into the cavity through a material conveying piece when the temperature of the material and the temperature of the cavity reach preset temperatures respectively, controlling the conveying speed of the material at each position of the material conveying piece in the conveying process, and controlling the exhaust speed of the material reaching the cavity;
step S3: and after filling, opening the mold after the casting is formed, transferring the casting to an ultrasonic water gap removing machine to remove the water gap and the slag ladle of the casting, and thus obtaining the product.
In the method for die-casting and inserting the optical communication module, the material temperature is controlled to be 400-480 ℃ in step S2.
In the method for die-casting and inserting the die based on the optical communication module, in step S2, the temperature of the cavity is controlled to be 130 ℃ to 200 ℃.
In the method for die-casting and inserting the optical communication module, in step S2, the flow rate of the material at the feeding port of the material conveying part is controlled to be 0.5-1.5 m/S.
In the method for die-casting and inserting the die based on the optical communication module, in step S2, the flow rate of the material in the material conveying section of the material conveying part is controlled to be 20-35 m/S.
In the method for die-casting and inserting the optical communication module, in step S2, the flow rate of the material at the outlet of the material conveying member is controlled to be 40-60 m/S.
In the method for die-casting and inserting the optical communication module in the mold, in step S2, when the material enters the cavity, the exhaust speed of the gas in the cavity when the gas is exhausted from the cavity is controlled to be 250-300 m/S.
In the above method for die-casting and inserting an optical communication module, in step S2, the cross-sectional area of the feeding section of the feeding member is 2-3 times the cross-sectional area of the discharge hole.
The utility model provides an interior die-casting inserts device, including be used for going on the inserts location smelting tool, the die casting die that fix a position to the inserts, with die casting die connects complex die casting machine and ultrasonic wave and removes mouth of a river machine, the die casting machine is including being used for transferring the inserts extremely in the die casting die and transfer the foundry goods extremely the robotic arm of ultrasonic wave removes mouth of a river machine.
Compared with the prior art, the method has the following advantages:
the invention discloses an in-mold die-casting insert method based on an optical communication module, which comprises the following steps: confirm the higher region of calorific capacity on the optical communication module that needs the casting, set up the holding portion that corresponds with this region in the mould die cavity, place the inserts on the holding portion, secondly the compound die, control suitable material temperature, the velocity of flow of die cavity temperature and material at each section of defeated material spare, after the material is filled and is cooled off the shaping back, shift the foundry goods to the ultrasonic wave and go the mouth of a river machine and get rid of mouth of a river and the cinder ladle of foundry goods, it adopts the inserts split die-casting to the serious region that the foundry goods generates heat, the slow problem of the whole heat dissipation of foundry goods has been solved, the radiating efficiency and the life of foundry goods have been improved greatly, the cost of later stage damage maintenance has been reduced.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an in-mold die-cast insert method according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of an optical communication module according to an embodiment of the present application.
Fig. 3 is a cross-sectional view of an optical communication module mounting insert portion according to an embodiment of the present application.
Fig. 4 is an enlarged view of a portion a of fig. 3.
Fig. 5 is an exploded view of an optical communication module according to an embodiment of the present application.
Fig. 6 is a schematic structural diagram of a heat dissipation block according to an embodiment of the present application.
Fig. 7 is a side view of a heatslug of an embodiment of the present application.
Fig. 8 is a schematic structural diagram of a die casting mold according to an embodiment of the present application.
Fig. 9 is an exploded view of a die casting mold according to an embodiment of the present application.
Fig. 10 is an exploded view of another angle of a die casting mold according to an embodiment of the present application.
Fig. 11 is a schematic structural diagram of a connecting member according to an embodiment of the present application.
Fig. 12 is a schematic structural diagram of an inner module according to an embodiment of the present application.
Fig. 13 is an exploded view of an inner module according to an embodiment of the present application.
Fig. 14 is an exploded view of an alternative angle of an inner module according to an embodiment of the present application.
[ detailed description ] A
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1, an embodiment of the present application provides an in-mold die-casting insert method based on an optical communication module, where the method includes the following steps:
step S1, determining the area with higher heat productivity on the optical communication module to be cast, arranging an accommodating part corresponding to the area in the die cavity, and placing the insert on the accommodating part;
step S2: the method comprises the following steps of (1) closing a mold, detecting and regulating the temperature of a material and the temperature of a cavity, injecting the material into the cavity through a material conveying piece when the temperature of the material and the temperature of the cavity reach preset temperatures respectively, and controlling the conveying speed of the material at each position of the material conveying piece in the conveying process so as to control the exhaust speed of the material reaching the cavity;
step S3: and after filling, opening the mold after the casting is formed, transferring the casting to an ultrasonic water gap removing machine to remove the water gap and the slag ladle of the casting, and thus obtaining the product.
Wherein, the material that the die casting machine injected into the material conveying piece is liquid metal.
In step S2, in order to ensure the molding rate of the molding of the casting, the material temperature, the cavity temperature and the flow rate of the material at each section in the conveying member need to be controlled, wherein the material temperature is controlled to be 400-480 ℃, the cavity temperature is controlled to be 130-200 ℃, the flow rate of the material at the feed inlet of the conveying member is controlled to be 0.5-1.5m/S, the flow rate of the material at the conveying section of the conveying member is controlled to be 20-35m/S, the flow rate of the material at the discharge outlet of the conveying member is controlled to be 40-60m/S, the exhaust speed of the gas in the cavity when the material enters the cavity is controlled to be 300m/S when the gas in the cavity is exhausted out of the cavity, and the cross-sectional area of the conveying section of the conveying member is 2-3 times of the cross-sectional area of the discharge outlet, by controlling the material temperature, the cavity temperature and the flow rate of the material at each section of the conveying member, when materials enter the cavity, the cavity can be quickly filled and cooled for forming, and the forming rate of castings is improved.
The utility model provides an interior die-casting inserts device, including be used for going on the inserts location smelting tool, die casting die that fix a position to the inserts, with die casting die connects complex die casting machine and ultrasonic wave and removes mouth of a river machine, the die casting machine is including being used for transferring the inserts extremely in the die casting die and transfer the foundry goods extremely the robotic arm that mouth of a river machine was removed to the ultrasonic wave, fixes a position the inserts through inserts location smelting tool and fixes a position the inserts, again by robotic arm shifts the inserts from inserts location smelting tool in the die cavity of mould, the die casting machine is filled the material to the die cavity in from defeated material piece die-casting, treats the die sinking behind the cooling forming, robotic arm snatchs the foundry goods and shifts extremely on the ultrasonic wave goes mouth of a river machine, handles mouth of a river and the cinder ladle of foundry goods to obtain the product of die-casting inserts in the mould, improved the degree of automation of production, ensured the shaping rate of mould.
Example 1: optical communication module product manufactured by the method
As shown in fig. 2 to 7, an optical communication module with an insert includes an optical communication module body 1 and an insert 2, the insert 2 is embedded into the optical communication module body 1, and one side of the insert 2 is exposed outside the optical communication module body 1, the insert 2 contacts with the optical communication module body 1 and conducts heat to the outside of the optical communication module body 1, the existing optical communication module generally adopts welding to weld the insert 2 on the optical communication module body 1, and in the using process, the connection between the two is easy to separate due to the falling of a welding point, the insert 2 is embedded into the optical communication module body 1, so that heat generated by the optical communication module can be conducted and dissipated in time, and the heat dissipation efficiency and the service life of the optical communication module are improved.
The optical communication module comprises an optical communication module body 1, and is characterized in that a fixing structure 21 is arranged on the insert 2, the fixing structure 21 is fixed with the optical communication module body 1 so as to fixedly embed the insert 2 into the optical communication module body 1, wherein the fixing structure 21 comprises a fixing edge 22 which is arranged on the periphery of the insert 2 and protrudes out of the side surface of the insert 2, a clamping groove 11 is arranged on the optical communication module body 1, the fixing edge 22 is embedded into the clamping groove 11 so as to realize the fixation between the insert 2 and the optical communication module body 1, the contact area between the insert 2 and the optical communication module body 1 is increased, and the connection between the insert 2 and the optical communication module body 1 is more stable; the edge of the fixing edge 22 is provided with a chamfer 23, when the insert 2 is embedded into the optical communication module body 1, the chamfer 23 can prevent the optical communication module from being damaged by collision between the insert 2 and the optical communication module body 1 in the use process.
The insert 2 is made of copper, wherein the insert 2 is made of brass, bronze, red copper and other copper products, and the heat can be quickly conducted out by utilizing the good heat-conducting property of copper.
Including components and parts in the optical communication module body 1, inserts 2 corresponds the components and parts position sets up the position that mainly produces heat in the optical communication module body 1 is the components and parts position, through with inserts 2 is right to using the components and parts position sets up for the heat can be fast from components and parts department shift to on inserts 2, improved the radiating efficiency greatly.
One side of the insert 2 is provided with a positioning hole 23, and the positioning hole 23 is matched with a die to realize the positioning of the insert 2 when the insert 2 and the optical communication module body 1 are subjected to die-casting molding.
The optical communication module comprises an optical communication module body 1, wherein a radiating block 12 is arranged on one side, facing the direction of an insert 2, of the optical communication module body 1, the radiating block 12 is in contact with the optical communication module body 1 and the insert 2 to achieve conduction radiating, and through the arrangement of the radiating block 12, heat can be transferred from the optical communication module body 1 and the insert 2 to a radiating block 22, so that the radiating area is increased, and the radiating efficiency is improved.
The radiating block 12 is provided with radiating holes 13 penetrating through the radiating block 12, the radiating holes 13 are transversely arranged along the plane where the radiating block 12 is located, and the radiating holes 13 are additionally arranged on the basis of the radiating block 12, so that the contact area between the radiating block 12 and the outside is increased, and the air heat conduction efficiency between the radiating block 12 and the outside is improved.
Including the width on the radiating block 12 differs radiating hole 13, and be located the radiating block 12 middle section radiating hole 13 width is greater than radiating block 12 both ends the width of louvre 1, components and parts in the optical communication module generally set up in its inside middle part, and calorific capacity is great in its middle part, and the radiating hole 13 that the width is great is bigger with external area of contact, and the heat dissipation is better.
Example 2: die casting device for carrying out the method
As shown in fig. 8-14, a die casting mold capable of die casting an insert includes a first mold cavity 3, a second mold cavity 4 and a material conveying member 5 installed between the first mold cavity 3 and the second mold cavity 4, the first mold cavity 3 and the second mold cavity 4 are matched to form a mold cavity, one end of the material conveying member 5 extends into the mold cavity to communicate with the mold cavity, the first mold cavity 3 and the second mold cavity 4 are matched to fix the insert in the mold cavity, a material is conveyed into the mold cavity by the material conveying member 5 to combine the insert with a die casting product, the insert is fixed by the mold cavity, and then the material is conveyed into the mold cavity by the material conveying member, so that after the material is cooled and molded, the insert can be embedded into the casting, the performance of the casting is improved, the casting is not required to be additionally processed, and the cost of manpower and material resources is greatly saved.
The die-casting die is characterized in that a containing part 71 used for placing an insert is arranged at a position, corresponding to the high heat productivity of a die-casting product, in the die cavity, a positioning pin 72 is arranged in the die cavity, the positioning pin 72 is arranged corresponding to a positioning hole in the insert so as to position the insert, and the insert is positioned by the containing part 71 or the positioning pin 72, so that the insert is prevented from being displaced when a material enters the die cavity.
The insert is made of copper, the material pulling position needs to be made for each copper part, the material pulling position can be a hole or any shape, the copper parts are prevented from being placed in a cavity, the thickness is reserved by 0.04MM, the phenomenon that the copper parts are prone to cutting edge after filling is avoided, the reserved electroplating allowance of the product is two, the common single edge of rack plating is reserved by 0.01MM, and the single edge of water plating is reserved by 0.02 MM.
The inner die set 6 is detachably arranged between the first die cavity 3 and the second die cavity 4, the inner die set 6 comprises a first inner die cavity 61 arranged on the first die cavity 3 and a second inner die cavity 62 arranged on the second die cavity 4, the first inner die cavity 61 and the second inner die cavity 62 are matched to form the die cavity, the material conveying part 5 is arranged between the first inner die cavity 61 and the second inner die cavity 62 to communicate with the die cavity, in the using process of the die, the die close to the die cavity is easy to damage due to impact of materials or long-term thermal expansion and cold contraction, the inner die set 6 is arranged in the first die cavity and the second die cavity, the inner die set 6 is only required to be replaced when the die is damaged, the whole die cavity is not required to be replaced, the later maintenance cost is greatly saved, and the replacement is convenient.
Die cavity 62 includes in the second with first interior die cavity 61 complex first interior die cavity subassembly 621, and install respectively in the second interior die cavity subassembly 622 in first interior die cavity subassembly 621 both sides, first interior die cavity subassembly 621 cooperates with first interior die cavity 61 so as to form the die cavity, in the use of mould, because the impact of material perhaps stands expend with heat and contract with cold for a long time, the mould that is close to the die cavity damages easily first interior die cavity subassembly 621 both sides set up second interior die cavity subassembly 622, only need change first interior die cavity subassembly 621 when damaging, need not whole interior module 6 and change, very big saving later maintenance cost to it is convenient to change.
A clamping block 623 protruding out of the side surface of the first inner cavity component 621 is arranged on the side surface of the first inner cavity component 621, a groove 624 is arranged at the position of the second inner cavity component 622 corresponding to the clamping block 623, the clamping block 623 is embedded into the groove 624 so as to limit the movement of the second inner cavity 622 when the first inner cavity 621 is far away from the second inner cavity 622 for demoulding, and a chamfer 625 is arranged on one side of the clamping block 623 close to the first inner cavity 61 to avoid directly colliding and damaging the mould when the first inner cavity component 621 and the second inner cavity component 622 move relatively.
The material conveying part 5 comprises a material conveying section 51 and a material outlet 52, the cross section area of the material conveying section 51 is 2-3 times of that of the material outlet 52, the material enters from the material inlet end of the material conveying part 5, and the pressure of the material is increased along with the reduction of the passing area, so that the material is pumped out at a higher speed, and the casting forming can be better ensured.
The second die cavity 4 further comprises a connecting piece 41 which is detachably arranged on the second die cavity 4 to be communicated with the material conveying piece 5 and the die-casting machine, when the die-casting machine injects materials into the die, certain abrasion may be generated between the materials and the die, the connecting piece 41 is arranged to be communicated with the die-casting machine and the material conveying piece 5, the connecting piece 41 can be directly replaced when the materials are damaged, the die does not need to be integrally replaced, and the later maintenance cost is saved; be equipped with screens groove 411 on the side surface of connecting piece 41, correspond on the second die cavity 4 screens groove 411 is provided with screens structure 42, and it can effectively guarantee the position of connecting piece 41, avoids connecting piece 41 to rock and causes to take place not hard up to arouse overflowing of material between material conveying piece 5, connecting piece 41 and the die casting machine.
In summary, the present application has, but is not limited to, the following beneficial effects:
the invention discloses an in-mold die-casting insert method based on an optical communication module, which comprises the following steps: confirm the higher region of calorific capacity on the optical communication module that needs the casting, set up the holding portion that corresponds with this region in the mould die cavity, place the inserts on the holding portion, secondly the compound die, control suitable material temperature, the velocity of flow of die cavity temperature and material at each section of defeated material spare, after the material is filled and is cooled off the shaping back, shift the foundry goods to the ultrasonic wave and go the mouth of a river machine and get rid of mouth of a river and the cinder ladle of foundry goods, it adopts the inserts split die-casting to the serious region that the foundry goods generates heat, the slow problem of the whole heat dissipation of foundry goods has been solved, the radiating efficiency and the life of foundry goods have been improved greatly, the cost of later stage damage maintenance has been reduced.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.
Claims (9)
1. An in-mold die-casting insert method based on an optical communication module is characterized by comprising the following steps:
step S1, determining the area with higher heat productivity on the optical communication module to be cast, arranging an accommodating part corresponding to the area in the die cavity, and placing the insert on the accommodating part;
step S2: the method comprises the following steps of (1) closing a mold, detecting and regulating the temperature of a material and the temperature of a cavity, injecting the material into the cavity through a material conveying piece when the temperature of the material and the temperature of the cavity reach preset temperatures respectively, and controlling the conveying speed of the material at each position of the material conveying piece in the conveying process so as to control the exhaust speed of the material reaching the cavity;
step S3: and after the filling is finished, opening the die after the casting is formed, transferring the casting to an ultrasonic water gap removing machine to remove the water gap and the slag ladle of the casting, and thus obtaining the product.
2. The method for die-casting an insert in an optical communication module according to claim 1, wherein the material temperature is controlled to 400-480 ℃ in step S2.
3. The method for die-casting an insert in an optical communication module according to claim 1, wherein the temperature of the cavity is controlled to 130 ℃ to 200 ℃ in step S2.
4. The method for die-casting an insert in an optical communication module according to claim 1, wherein in step S2, the flow rate of the material at the inlet of the feeding member is controlled to be 0.5-1.5 m/S.
5. The method for die-casting an insert in an optical communication module according to claim 1, wherein in step S2, the flow rate of the material in the feeding section of the feeding member is controlled to be 20-35 m/S.
6. The method for die-casting an insert in an optical communication module according to claim 1, wherein in step S2, the flow rate of the material at the outlet of the material conveying member is controlled to be 40-60 m/S.
7. The method for die-casting and inserting an optical communication module according to claim 1, wherein in step S2, when the material enters the cavity, the exhaust velocity of the gas in the cavity is controlled to be 250-300 m/S.
8. The method for die-casting an insert in an optical communication module according to claim 1, wherein in step S2, the cross-sectional area of the feeding segment of the feeding member is 2-3 times the cross-sectional area of the discharge hole.
9. The utility model provides an interior die-casting inserts device, its characterized in that, including be used for going on the inserts location smelting tool, the die casting die that fix a position to the inserts, with die casting die connects complex die casting machine and ultrasonic wave and removes mouth of a river machine, the die casting machine including be used for transferring the inserts extremely in the die casting die and transfer the foundry goods extremely the robotic arm of mouth of a river machine is removed to the ultrasonic wave.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210544987.8A CN114905028A (en) | 2022-05-19 | 2022-05-19 | In-mold die-casting insert method and in-mold die-casting insert device based on optical communication module |
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| CN202210544987.8A CN114905028A (en) | 2022-05-19 | 2022-05-19 | In-mold die-casting insert method and in-mold die-casting insert device based on optical communication module |
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| CN108347824A (en) * | 2018-02-07 | 2018-07-31 | 青岛海信宽带多媒体技术有限公司 | A kind of optical module |
| CN208172310U (en) * | 2018-06-11 | 2018-11-30 | 深圳市英伟博科技有限公司 | The optical module shell of radiating structure design |
| CN111050459A (en) * | 2018-10-11 | 2020-04-21 | 苏州旭创科技有限公司 | Printed circuit board and optical module |
| CN109986057A (en) * | 2019-04-23 | 2019-07-09 | 南昌航空大学 | Domestic air conditioning shut-off valve made of a kind of aluminium alloy and preparation method thereof |
| CN210199360U (en) * | 2019-09-04 | 2020-03-27 | 东莞铭普光磁股份有限公司 | Heat radiation optical module |
| CN210610200U (en) * | 2019-10-30 | 2020-05-22 | 苏州松翔电通科技有限公司 | Quick radiating optical module casing |
| CN112872323A (en) * | 2021-02-26 | 2021-06-01 | 深圳市宝田精工科技有限公司 | Optical module mould is inlayed copper die-casting forming mechanism in mould |
| CN114408085A (en) * | 2022-01-04 | 2022-04-29 | 无锡市豪达工艺品有限公司 | Integrated cast-embedded connecting pipe and shell and preparation process thereof |
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