CN102361114B - Filter cavity body, cavity body filter, manufacturing methods and die-casting mold - Google Patents
Filter cavity body, cavity body filter, manufacturing methods and die-casting mold Download PDFInfo
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- CN102361114B CN102361114B CN201110255636.7A CN201110255636A CN102361114B CN 102361114 B CN102361114 B CN 102361114B CN 201110255636 A CN201110255636 A CN 201110255636A CN 102361114 B CN102361114 B CN 102361114B
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Abstract
The invention discloses a filter cavity body with a radiating structure, a cavity body filter with a radiating structure, a manufacturing method of the filter cavity body with the radiating structure, a manufacturing method of the cavity body filter with the radiating structure, and a die-casting mold applied in the methods. The manufacturing method of the filter cavity body comprises the following steps of: fixing the filter cavity body in the die-casting mold of the radiating structure, injecting metal liquid in the die-casting mold, and die-casting the filter cavity body and the metal liquid into the filter cavity body with the radiating structure. The filter cavity body comprises the radiating structure and a filter cavity body embedding piece. The die-casting mold is provided with a positioning device for fixing the filter cavity body on a moving mold or a fixed mold; and the moving mold and the fixed mold are assembled into a cavity body containing the filter cavity body and metal solution. In the invention, a split processing mode is adopted for the filter cavity body and the radiating structure, so that not only is the accuracy requirement for the filter cavity body structure ensured, but also the production efficiency of the filter cavity body with the radiating structure is improved.
Description
Technical field
The present invention relates to the technology for radio frequency field, be specifically related to filter cavity with radiator structure, with the cavity body filter of radiator structure, with the filter cavity manufacture method of radiator structure, with the cavity body filter manufacture method of radiator structure and be applied to the die casting of the method.
Background technology
Filter is widely used in the communications field as a kind of frequency selection device, especially field of radio frequency communication.In the base station transmitted and received at the communication system settling signal, filter is used to select signal of communication, clutter or interference signal that the filtering communication signal frequency is outer, and filter cavity has very important effect as the important component part of cavity body filter.
At present, in mobile communication base station system, generally with cavity body filter, the signal of antenna transmission and reception is carried out to the frequency selection.Because there are the reasons such as temperature drift in accurate requirement and filter itself that frequency is selected, in work, often need to guarantee that the temperature in cavity body filter can not be too high, and cavity body filter itself has certain operating power, therefore, in some radio frequency operation unit, as Remote Radio Unit (Radio Remote Unit, RRU), the normal cavity body filter used with radiator structure, with the cavity body filter of radiator structure for the needs that meet cavity body filter heat radiation itself by the equipment of radiating shell and being made of one of cavity body filter, way very early is: cavity body filter is screwed on a heating panel, this way can the simple realization heating panel and the combination of cavity body filter, but because there are air gap in cavity body filter and heating panel in this connected mode, make heat-transfer effect unsatisfactory, basically do not reach radiating effect.Therefore, current existing way is: by cavity body filter and radiating shell with disposable machining of metal material, for example adopt numerical control machining center (CNC) that a bulk of aluminium ingot is processed into to the cavity body filter with radiator structure, perhaps adopt extrusion process by filter segment and the moulding of radiator portion integrated die-casting, form the cavity body filter with radiator structure.Be illustrated in figure 1 the structural representation of the cavity body filter with radiator structure of the prior art, as can be seen from the figure, the filter segment 101 of the existing cavity body filter with radiator structure is gapless integral structure with the radiator portion 102 of Integral-type cavity filter, radiator portion 102 has the metal fin 103 that increases radiating effect, and described radiator portion is radiating shell.
And in the research and practice process to prior art, the present inventor finds, adopt numerical control machining center that a bulk of metal material processing is become to the man-hour with the cavity body filter meeting overspending of radiator structure, especially to the processing of the metal fin of radiator portion, not only difficulty of processing is large but also can increase waste of material, at present, adopt numerical control machining center to being about 40 hours the process time of the single cavity body filter with radiator structure.Adopt extrusion process that filter segment and the moulding of radiating shell integrated die-casting can be avoided to the waste of material, but because the needs making is comparatively complicated with the mould of the filter segment cavity isolation bar of the cavity body filter of radiator structure, generally need just can complete in 5 days the making of this mould, and extrusion process can not meet filter segment needs smooth surface, the accurate requirement of structure, if the cavity body filter with radiator structure of die cast is further processed with numerical control machining center, owing to being accompanied with radiator structure, body is larger, therefore processing is got up not easy to operate, adopt extrusion process need to overcome long problem of Mold Making time, also to overcome the problem of the filter cavity rustic of die casting.
Therefore, be badly in need of at present the Integral-type cavity filter manufacture method that a kind of requirement that can meet machining period meets again filter cavity well-formed's requirement simultaneously.
Summary of the invention
In order to address the above problem, the invention provides a kind of manufacture method of the filter cavity with radiator structure, comprising:
Filter cavity is fixed in the die casting of radiator structure, in described die casting, injects metal liquid, described filter cavity and described metal liquid are cast into to the described filter cavity with radiator structure.
Further, described die casting comprises dynamic model and cover half, on the described die casting that filter cavity is fixed in to radiator structure, comprises:
By the filter cavity spiral-lock on the dynamic model of described die casting;
Perhaps by the filter cavity spiral-lock on the cover half of described die casting.
Further, before in the described die casting that filter cavity is fixed in to radiator structure, comprise: adopt Digit Control Machine Tool to make described filter cavity.
Further, described by the filter cavity spiral-lock on the dynamic model of described die casting, comprising:
The positioner be complementary with described filter cavity is set on described dynamic model, described filter cavity by described positioner spiral-lock on described dynamic model.
Described by the filter cavity spiral-lock on the cover half of described die casting, comprising:
The positioner be complementary with described filter cavity is set on described cover half, and described filter cavity is consolidated spiral-lock on described cover half by described positioner.
Further, before in the described die casting that filter cavity is fixed in to radiator structure, also comprise: the groove that metal liquid incorporates when the filter cavity peripheral sidewall processes for die casting.
Further, before in the described die casting that filter cavity is fixed in to radiator structure, also comprise: the groove that while processing for die casting at the back side of described filter cavity, metal liquid incorporates.
Further, before in the described die casting that filter cavity is fixed in to radiator structure, also comprise: location and increase the boss of Liquid-metal flow while processing for die casting at the back side of described filter cavity.
The embodiment of the present invention also provides a kind of manufacture method of cavity body filter, comprising:
Filter cavity is fixed in the die casting of radiator structure;
Inject metal liquid in described die casting;
Described filter cavity and described metal liquid are cast into to the described filter cavity with radiator structure;
With the described filter cavity of cover closure.
The manufacture method of the filter cavity with radiator structure that the embodiment of the present invention provides is placed in metallic solution using the filter cavity of making as inserts with manufacture method with the cavity body filter of radiator structure and carries out die casting, complete the making with the filter cavity of radiator structure, this employing parts processing filter cavity, and using this filter cavity as inserts and radiator structure be die cast as the mode of one, reduced in the complete die casting mode of available technology adopting the process to the Mold Making of filter segment cavity isolation bar, thereby saved production cost, improved production efficiency, on the other hand, filter cavity can adopt numerical control machining center to make as inserts, can guarantee the smooth surface of filter cavity, structure is accurate, met quality requirement, simultaneously, filter cavity as inserts after extrusion process, be blended in fully in the metallic solution of radiator structure and become one structure, guaranteed the excellent heat dispersion performance of filter cavity, and avoided available technology adopting Digit Control Machine Tool processing radiator structure to cause waste of material and too much problem consuming time.
In order better to implement said method; the present invention also provides a kind of die casting; be used for radiator structure die casting in filter cavity; comprise dynamic model and cover half; described die casting is provided with positioner for filter cavity being fixed in to described dynamic model or cover half, and described dynamic model and cover half matched moulds become to hold the cavity of described filter cavity and metallic solution.
The die casting that the embodiment of the present invention provides replaces mould structure of the prior art with positioner, thereby saved a large amount of materials, also facilitate the making of mould, in use procedure, positioner, for the fixed filters cavity, completes the process that is placed in metallic solution using filter cavity as inserts.
The embodiment of the present invention also provides a kind of filter cavity with radiator structure, comprises radiator structure and filter cavity inserts, and the die casting of described filter cavity inserts is in described radiator structure.
Preferably, the groove that when peripheral sidewall of described filter cavity inserts has for die casting, metal liquid incorporates, spacing and increase the boss of Liquid-metal flow when the described filter cavity back side has for die casting.
The groove that when preferably, the described filter cavity inserts back side has for die casting, metal liquid incorporates.
The embodiment of the present invention also provides a kind of cavity body filter with radiator structure, comprise cover plate, resonant rod and with the filter cavity of radiator structure, described resonant rod is installed in the described filter cavity with radiator structure, described cover plate is installed on the filter cavity with radiator structure, the described filter cavity with radiator structure comprises radiator structure and filter cavity inserts, and the die casting of described filter cavity inserts is in described radiator structure.
Preferably, the peripheral sidewall of described filter cavity inserts has the groove for location, spacing and increase the boss of Liquid-metal flow when the back side of described filter inserts has die casting.
Compared with prior art, the filter cavity with radiator structure that the embodiment of the present invention provides and with the cavity body filter of radiator structure, radiator structure becomes die casting with annexation between filter cavity and is connected, and the manufacture that can also be convenient to adopt numerical control machining center to combine with die casting when guaranteeing radiating effect is enhanced productivity.
The accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is with the structural representation of the filter cavity of radiator structure in prior art;
Fig. 2 is with the flow chart of the manufacture method of the filter cavity of radiator structure in the embodiment of the present invention 1;
Fig. 3 is with the flow chart of the manufacture method of the filter cavity of radiator structure in the embodiment of the present invention 2;
Fig. 4 is the flow chart of a kind of manufacture method of cavity body filter in the embodiment of the present invention 3;
Fig. 5 is the structural representation of a kind of die casting in the embodiment of the present invention 4;
Fig. 6 is the explosive view of a kind of filter cavity with radiator structure in the embodiment of the present invention 5;
Fig. 7 is the structural representation of the embodiment of the present invention 5 median filter cavity inserts.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Embodiment 1: be illustrated in figure 2 the flow chart of the manufacture method of the filter cavity with radiator structure that the embodiment of the present invention provides, the described manufacture method of the filter cavity with radiator structure comprises:
A1, be fixed in filter cavity in the die casting of radiator structure;
In execution this method step median filter cavity is fixed in the die casting of radiator structure as inserts, radiator structure in the embodiment of the present invention is a kind of heat dissipation metal housing, the die casting of described radiator structure refers to the die casting that is mainly used in die casting radiator structure part, and this mould not only wants the described radiator structure of die casting also to need to hold the filter cavity as inserts in embodiments of the present invention, in the time of in filter cavity is fixed on described die casting as inserts, need to guarantee that cavity as the filter cavity of inserts partly is isolated metal liquid in the process to prevent die casting and flow in cavity, therefore only need be when filter cavity be fixed in described die casting, cavity part spiral-lock is got final product at mould inner surface.Fixing mode can be made multiple choices, as processed the groove matched with the cavity isolation bar on mould, then by the mode of interference fit, the cavity isolation bar of filter cavity is pressed in described groove, realizes the fixing of filter cavity; Also can on mould, process boss or the cylinder for the fixed filters cavity, described boss or cylinder are inserted in described filter cavity, the mode with interference fit realizes the fixing of filter cavity equally; Also can filter cavity be fixed in described die casting by the mode of thermoplastic or spot welding, again the filter cavity integral demounting be got off in the time of the demoulding to be needed; Certainly from the angle of production efficiency, consider, the fixed form of interference fit is the optimal way of the embodiment of the present invention, and should not form limiting the scope of the invention for the concrete fixed form that described filter cavity is fixed in described die casting.
General die casting at least is divided into two parts mould, the mould cavity of die-cast product will just have been formed after two parts mould matched moulds, die casting described in the embodiment of the present invention comprises dynamic model and cover half, described dynamic model refers to part mould that can be movable with respect to die casting equipment itself in the process of matched moulds, described cover half refers in the process of matched moulds with respect to the actionless part mould of die casting equipment itself, therefore be understandable that, the die casting that described in the embodiment of the present invention, filter cavity is fixed in to radiator structure comprises: by the filter cavity spiral-lock on the dynamic model of described die casting or by the filter cavity spiral-lock on the cover half of die casting, described spiral-lock is has the side spiral-lock of cavity isolation bar in die surface by filter cavity, wherein, in order to ensure metal liquid in press casting procedure, do not flow in filter cavity, the filter cavity spiral-lock forms the contact-making surface of sealing in die surface, the embodiment of the present invention preferably by the filter cavity spiral-lock on the dynamic model of described die casting, and on cover half processing radiator structure model, because dynamic model can be movable, therefore can improve the efficiency in mould that is fixed in of filter cavity, described by the filter cavity spiral-lock on the dynamic model of described die casting, comprising: the positioner be complementary with described filter cavity is set on described dynamic model, described filter cavity by described positioner spiral-lock on described dynamic model.Described by the filter cavity spiral-lock on the cover half of described die casting, comprising: the positioner be complementary with described filter cavity is set on described cover half, and described filter cavity is consolidated spiral-lock on described cover half by described positioner.If the filter cavity spiral-lock on the cover half of described die casting the time, need to be processed to the model of radiator structure on dynamic model; Described filter cavity is fixed in described die casting and refers to and then carry out matched moulds on the dynamic model or cover half that first filter cavity is fixed in to die casting, makes the filtering cavity be fixed in die casting.
A2 injects metal liquid in described die casting;
Described mould carries out can forming a die casting cavity after matched moulds, an end at described die casting has for injecting the hole of metal liquid, the mode that adopts high pressure to inject in the invention process is injected metal liquid from this hole to described die casting, determine according to the volume of die-cast product size the injection rate that enters liquid, just stop injecting after reaching the injection rate of described die-cast product volume; Because filter cavity is fixed in described die casting in advance, so the die-cast product volume is the volume that described die casting cavity volume deducts described filter cavity.
A3, be cast into the described filter cavity with radiator structure by described filter cavity and described metal liquid;
After being injected in described die casting by the metal liquid high pressure in the embodiment of the present invention, metal liquid and described filter cavity are fully merged, the mode that can take the mode of swing die or allow die casting repeatedly move further realizes that described metal liquid and described filter cavity fully merge, the injection pressure that can certainly further strengthen metal liquid realizes the also abundant fusion of described filter of metal liquid, after described metal liquid and described filter cavity fully merge, to described die casting, carry out cooling, in cooling procedure, can take hydraulic pressure gas to accelerate cooling, also can allow described die casting naturally cooling, become not limiting the scope of the invention for the concrete type of cooling, after cooling completing, described die casting is carried out to the demoulding, now filter cavity just as inserts fully and radiator structure be cast into one, thereby complete the step that affiliated filter cavity and described metal liquid is cast into to the described filter cavity with radiator structure.
Embodiment 2: be illustrated in figure 3 the flow chart of the manufacture method of the filter cavity with radiator structure that the embodiment of the present invention provides, the described manufacture method of the filter cavity with radiator structure comprises:
A0, adopt Digit Control Machine Tool to make described filter cavity;
In this step, adopt Digit Control Machine Tool to carry out machining to aluminium ingot, complete turning on described aluminium ingot, mill the actions such as quarter, cutting according to the actual size of filter cavity, affiliated aluminium ingot is made to described filter cavity, the filter cavity now processed is without radiator structure, just as the filter cavity inserts, be used in follow-up extrusion process, in order to guarantee better crudy and working (machining) efficiency, the preferred numerical control machining center of the Digit Control Machine Tool in the embodiment of the present invention.Comprise in this step the cavity isolation bar that processes filter cavity.
In order to guarantee that follow-up extrusion process median filter cavity can merge with metal liquid fully as inserts, can process the groove that incorporates metal liquid for die casting at the filter cavity peripheral sidewall before in the die casting that filter cavity is fixed in to radiator structure in the embodiment of the present invention, described depth of groove should not be excessively dark, preferred 2mm～5mm, during die casting because extraneous high pressure injects, metal liquid just can be dissolved in groove, the metal liquid incorporated after metal liquid is cooling in groove just forms one with filter cavity, can there is good thermal conduction effect by fine fixed filters cavity simultaneously, further, the groove that in the time of can also processing at the back side of filter cavity for die casting, metal liquid incorporates, when the back side of filter cavity is thinner, the groove that while being chosen in the filter cavity back side and the position corresponding with the cavity isolation bar of filter cavity processing for die casting, metal liquid incorporates, can be not thin and done to wear the while and can strengthen the stationarity at the filter cavity back side yet by the mistake of the back side of filter cavity processing in the time of so just can guaranteeing machined grooves.
Metal liquid is injected in mould by high pressure, because metal liquid is very poor in the mobility of filter cavity back position, especially the gap of the filter cavity back side and mould hour, metal liquid may not cover the back side of whole filter cavity fully, therefore increased a step in the invention process: location and increase the boss of Liquid-metal flow while processing for die casting at the back side of described filter cavity before filter cavity being fixed in the die casting of radiator structure, described boss can be for cylindric, can be also square boss or triangle boss, concrete shape for boss does not form limiting the scope of the invention, the height of described boss can be set according to the actual (real) thickness of filter cavity, be understandable that in the normal thickness scope that guarantees filter cavity, during the larger die casting of height of described boss, the mobility of metal liquid is just better, described boss can also play the effect of location simultaneously, guarantee that filter cavity is fixed in mould on specific position as inserts.
A1, be fixed in filter cavity in the die casting of radiator structure;
A2 injects metal liquid in described die casting;
A3, be cast into the described filter cavity with radiator structure by described filter cavity and described metal liquid;
Detailed description for steps A 1, A2, A3 in the invention process please refer to the introduction in above-described embodiment 1, repeats no more herein.
Process filter cavity before in the die casting that filter cavity is fixed in to radiator structure in the embodiment of the present invention, and process described groove and boss on filter cavity, make the filter cavity after die casting to be blended in one fully with metallic solution, described filter cavity and described metal liquid are cast into after the described filter cavity with radiator structure to the radiating effect that is conducive to increase the whole filter cavity with radiator structure, can increase being stable in described radiator structure as the filter cavity of inserts simultaneously.
Embodiment 3: the embodiment of the present invention provides a kind of manufacture method of cavity body filter, as shown in Figure 4, comprising:
A1, be fixed in filter cavity in the die casting of radiator structure;
A2 injects metal liquid in described die casting;
A3, be cast into the described filter with radiator structure by described filter cavity and described metal liquid
Cavity;
Detailed description for steps A 1, A2, A3 in the invention process please refer to the introduction in above-described embodiment 1, repeats no more herein.
A4, with the described filter cavity of cover closure;
For with also comprising before the described filter cavity of cover closure, described resonant rod being installed in the cavity of described cavity body filter in this step of cavity body filter that includes resonant rod.
For the sealing mode, can select laser welding that described cover plate is fixed on described filter cavity, also can adopt the mode of screw lock that described cover plate is fixed on described filter cavity, complete the assembling to cavity body filter.
The embodiment of the present invention is in the method for manufacturing cavity body filter, and its filter cavity is die cast as one as inserts and radiator structure, has improved the production efficiency of whole cavity body filter.
Embodiment 4: the embodiment of the present invention provides a kind of die casting be applied in above-described embodiment method, be used for radiator structure die casting in filter cavity, as shown in Figure 5, comprise dynamic model 501 and cover half 502, described die casting is provided with positioner 503 for filter cavity being fixed in to described dynamic model 501 or cover half 502, and described dynamic model 501 and cover half 502 matched moulds become to hold the cavity of described filter cavity 504 and metallic solution.
Positioner described in the embodiment of the present invention 503 is preferably disposed on described dynamic model 501, described positioner can be that reference column can be also the detent that the cavity isolation bar with filter cavity is complementary, when positioner is reference column, described reference column just is inserted into the inside cavity of filter cavity with the fixing described filter cavity of the mode of interference fit, when described positioner is described detent, the cavity isolation bar of described filter cavity inserts described detent inside and is fixed on die casting in the mode of interference fit, certainly, described positioner can be selected reference column and detent simultaneously, this selection can make filter cavity be fixed on the better effects if on die casting.
With existing die casting, compare; the die casting that the embodiment of the present invention provides has replaced the processing of product model with positioner; the mould processing that existing die casting often is complementary in the part of dynamic model or cover half die casting filter cavity; therefore expended a large amount of time and increased waste of material; and only need arranging positioner simple in structure in the part of dynamic model or cover half die casting filter cavity, the die casting in the invention process gets final product; thereby optimized greatly mould processing technology; reduce the process time of mould, improved production efficiency.
Embodiment 5: the explosive view that is illustrated in figure 6 a kind of filter cavity with radiator structure that the embodiment of the present invention provides, comprise radiator structure 601 and filter cavity inserts 602, described filter cavity inserts 602 die casting are in described radiator structure 601, described radiator structure 601 is the radiating shell that a kind of heat dispersion is good, can be the heat dissipation metal housing.
Be illustrated in figure 7 the structural representation of the inserts of filter cavity described in the invention process 602, the groove 6021 that when peripheral sidewall of described filter cavity inserts 602 has for die casting, metal liquid incorporates, described depth of groove should not be excessively dark, preferred 2mm～5mm, it is spacing and increase the boss 6022 of Liquid-metal flow when the described filter cavity back side has for die casting, described boss 6022 can be for cylindric, can be also square boss or triangle boss, concrete shape for boss does not form limiting the scope of the invention, the height of described boss 6022 can be set according to the actual (real) thickness of filter cavity, be understandable that in the normal thickness scope that guarantees filter cavity, during the larger die casting of height of described boss 6022, the mobility of metal liquid is just better, described boss 6022 can also play the effect of location simultaneously, guarantee that filter cavity is fixed in mould on specific position as inserts.
The groove 6023 that when the described filter cavity inserts back side has for die casting, metal liquid incorporates, when the back side of filter cavity is thinner, the groove that while being chosen in the filter cavity back side and the position corresponding with the cavity isolation bar of filter cavity processing for die casting, metal liquid incorporates, can be not thin and done to wear the while and can strengthen the stationarity at the filter cavity back side yet by the mistake of the back side of filter cavity processing in the time of so just can guaranteeing machined grooves.
The filter cavity with radiator structure that the embodiment of the present invention provides, filter cavity as inserts die casting in described radiator structure, replace the structure that in the prior art, one is processed to form, can provide the production efficiency in manufacturing process can also save the lot of materials cost.
Embodiment 6: a kind of cavity body filter with radiator structure that the embodiment of the present invention provides, comprise cover plate, resonant rod and with the filter cavity of radiator structure, described resonant rod is installed in the described filter cavity with radiator structure, described cover plate is installed on the filter cavity with radiator structure, the described filter cavity with radiator structure comprises radiator structure and filter cavity inserts, and the die casting of described filter cavity inserts is in described radiator structure.
The peripheral sidewall of described filter cavity inserts has the groove for location, spacing and increase the boss of Liquid-metal flow when the back side of described filter cavity inserts has die casting.
Please refer to the concrete introduction in above-described embodiment 5 for the description with the filter cavity of radiator structure in the embodiment of the present invention, repeat no more herein.
Applied specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention simultaneously.
Claims (10)
1. with the manufacture method of the filter cavity of radiator structure, it is characterized in that, comprising:
Filter cavity is fixed in the die casting of radiator structure, described die casting comprises dynamic model and cover half, by the filter cavity spiral-lock on the dynamic model of described die casting; Perhaps by the filter cavity spiral-lock on the cover half of described die casting,
Inject metal liquid in described die casting, described filter cavity is fixed in described die casting as inserts, and by the filter cavity spiral-lock on the dynamic model of described die casting or spiral-lock on the cover half of described die casting, make cavity as the filter cavity of inserts partly be isolated metal liquid in the process to prevent die casting to flow in cavity
Described filter cavity and described metal liquid are cast into to the described filter cavity with radiator structure.
2. the manufacture method of the filter cavity with radiator structure as claimed in claim 1, is characterized in that, comprises before in the described die casting that filter cavity is fixed in to radiator structure: adopt Digit Control Machine Tool to make described filter cavity.
3. the manufacture method of the filter cavity with radiator structure as claimed in claim 1, is characterized in that, described by the filter cavity spiral-lock on the dynamic model of described die casting, comprising:
The positioner be complementary with described filter cavity is set on described dynamic model, described filter cavity by described positioner spiral-lock on described dynamic model.
4. the manufacture method of the filter cavity with radiator structure as claimed in claim 1, is characterized in that, described by the filter cavity spiral-lock on the cover half of described die casting, comprising:
The positioner be complementary with described filter cavity is set on described cover half, and described filter cavity is consolidated spiral-lock on described cover half by described positioner.
5. the manufacture method of the filter cavity with radiator structure as claimed in claim 1, it is characterized in that, also comprise before in the described die casting that filter cavity is fixed in to radiator structure: the groove that metal liquid incorporates when the filter cavity peripheral sidewall processes for die casting.
6. the manufacture method of the filter cavity with radiator structure as claimed in claim 1, it is characterized in that, also comprise before in the described die casting that filter cavity is fixed in to radiator structure: the groove that while processing for die casting at the back side of described filter cavity, metal liquid incorporates.
7. the manufacture method of the filter cavity with radiator structure as claimed in claim 1, it is characterized in that, also comprise before in the described die casting that filter cavity is fixed in to radiator structure: location and increase the boss of Liquid-metal flow while processing for die casting at the back side of described filter cavity.
8. the manufacture method of a cavity body filter, is characterized in that, comprising:
Filter cavity is fixed in the die casting of radiator structure, described die casting comprises dynamic model and cover half, by the filter cavity spiral-lock on the dynamic model of described die casting; Perhaps by the filter cavity spiral-lock on the cover half of described die casting,
Inject metal liquid in described die casting, described filter cavity is fixed in described die casting as inserts, and by the filter cavity spiral-lock on the dynamic model of described die casting or spiral-lock on the cover half of described die casting, make cavity as the filter cavity of inserts partly be isolated metal liquid in the process to prevent die casting to flow in cavity, described filter cavity and described metal liquid are cast into to the described filter cavity with radiator structure;
With the described filter cavity of cover closure.
9. a die casting; be used for radiator structure die casting in filter cavity; comprise dynamic model and cover half; it is characterized in that: described die casting is provided with positioner for filter cavity being fixed in to described dynamic model or cover half; described dynamic model and cover half matched moulds become to hold the cavity of described filter cavity and metallic solution, by inject metal liquid in described die casting, described filter cavity and described metal liquid are cast into to the described filter cavity with radiator structure.
10. the cavity body filter with radiator structure, comprise cover plate, resonant rod and with the filter cavity of radiator structure, described resonant rod is installed in the described filter cavity with radiator structure, described cover plate is installed on the filter cavity with radiator structure, it is characterized in that: the described filter cavity with radiator structure comprises radiator structure and filter cavity inserts, the die casting of described filter cavity inserts is in described radiator structure, the peripheral sidewall of described filter cavity inserts has the groove for location, it is spacing and increase the boss of Liquid-metal flow when the back side of described filter inserts has die casting.
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| CN201110255636.7A CN102361114B (en) | 2011-08-31 | 2011-08-31 | Filter cavity body, cavity body filter, manufacturing methods and die-casting mold |
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| CN201110255636.7A CN102361114B (en) | 2011-08-31 | 2011-08-31 | Filter cavity body, cavity body filter, manufacturing methods and die-casting mold |
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| US9287600B2 (en) * | 2014-03-26 | 2016-03-15 | Alcatel-Lucent Shanghai Bell Co., Ltd. | Adjustable phase-inverting coupling loop |
| CN105070982A (en) * | 2015-08-12 | 2015-11-18 | 深圳市国人射频通信有限公司 | Cavity radio frequency device and manufacturing method thereof |
| CN106141590A (en) * | 2016-08-08 | 2016-11-23 | 成都四威高科技产业园有限公司 | A kind of aspect is than thin-walled filter cavity body processing technology |
| CN110933909B (en) * | 2019-11-23 | 2021-08-06 | 芜湖舜富精密压铸科技有限公司 | 5G filter shell for enhancing heat dissipation by utilizing heat dissipation assembly |
| CN113070458B (en) * | 2020-01-06 | 2023-04-07 | 大富科技(安徽)股份有限公司 | Preparation method of die for die casting, die, preparation method of cover plate and filter |
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| CN102361114A (en) | 2012-02-22 |
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