CN212734552U - Welding device for dielectric filter - Google Patents
Welding device for dielectric filter Download PDFInfo
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- CN212734552U CN212734552U CN202020978006.7U CN202020978006U CN212734552U CN 212734552 U CN212734552 U CN 212734552U CN 202020978006 U CN202020978006 U CN 202020978006U CN 212734552 U CN212734552 U CN 212734552U
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- inner core
- dielectric filter
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- base
- magnet
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- 238000003466 welding Methods 0.000 title claims abstract description 59
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012545 processing Methods 0.000 abstract description 5
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 238000005476 soldering Methods 0.000 description 7
- 238000001179 sorption measurement Methods 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000005389 magnetism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
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Abstract
The utility model provides a welding device of a dielectric filter, which comprises a base, a positioning plate and a pressing plate from bottom to top in sequence, wherein the base, the positioning plate and the pressing plate together form a limiting space for positioning a medium; at least one first magnet is arranged on the base corresponding to the inner core of the medium, and the first magnet adsorbs the inner core. Therefore, the utility model discloses a positioning mode of magnet location inner core ensures the uniformity of welding back inner core height to can promote dielectric filter and carry assembly welding's qualification rate. In addition, the structure of the inner core is not limited to a single form, and the processing cost of the inner core is further reduced.
Description
Technical Field
The utility model relates to a communication equipment technical field especially relates to a dielectric filter's welding set.
Background
The dielectric filter is a microwave filter which utilizes dielectric ceramic materials and adopts a dielectric resonant cavity to obtain the frequency-selecting function through multi-stage coupling. Dielectric filters have been widely used in systems such as mobile communications and microwave communications because of their advantages such as miniaturization, low loss, and good temperature characteristics. The welding is the essential link in dielectric filter production, and the welding of present dielectric filter all adopts three-layer assembly structure promptly, includes base, locating plate and clamp plate in proper order, nevertheless because the inner core → receives the tension of bottom soldering tin, but in the downthehole fluctuation of medium, leads to the welding back inner core height uniformity poor, and unqualified proportion is higher. At present, inner core welding is a bottleneck process of mass production of the current dielectric filter, the height of the inner core affects debugging indexes of the dielectric filter, and the stability and reliability of the whole machine of a client side can be further reduced, so that the problem of inner core reflow welding positioning of the dielectric filter is very important to solve.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned drawbacks, an object of the present invention is to provide a welding device for a dielectric filter, which can ensure the consistency of the heights of inner cores after welding, so as to improve the qualification rate of assembly welding of the dielectric filter; in addition, the structure of the inner core is not limited to a single form, and the processing cost of the inner core is further reduced.
In order to achieve the above object, the present invention provides a welding device for a dielectric filter, which comprises a base, a positioning plate and a pressing plate from bottom to top in sequence, wherein the base, the positioning plate and the pressing plate together form a spacing space for positioning a medium; at least one first magnet is arranged on the base corresponding to the inner core of the medium, and the first magnet adsorbs the inner core.
According to dielectric filter's welding set, the locating plate the clamp plate is detachable connection respectively on the base.
According to dielectric filter's welding set, correspond on the base the medium the inner core position is equipped with at least one inner core locating hole, first magnet is fixed in the inner core locating hole.
According to dielectric filter's welding set, first magnet is fixed in through spiro union, joint, riveting, welding or bonding mode in the inner core locating hole.
According to dielectric filter's welding set, the bottom of first magnet is connected and is equipped with the screw, through the screw will first magnet is fixed in the inner core locating hole.
According to dielectric filter's welding set, the locating plate is equipped with medium locating surface and at least one locating plate hole, the base corresponds the locating plate hole is equipped with at least one locating plate mounting hole, passes through the pin the locating plate hole with the locating plate mounting hole will the locating plate is fixed in on the base.
According to dielectric filter's welding set, correspond on the base the clamp plate is equipped with at least one clamp plate mounting hole, be equipped with second magnet in the clamp plate mounting hole, second magnet adsorbs the clamp plate.
According to the welding device of the dielectric filter, the bottom of the medium is also provided with a circuit board, and the medium and the circuit board are both limited in the limiting space; the circuit board is provided with a circuit board positioning hole, the base is provided with at least one circuit board positioning column corresponding to the circuit board positioning hole, and the circuit board positioning column penetrates through the circuit board positioning hole to realize limiting.
According to dielectric filter's welding set, the base the locating plate with the clamp plate all adopts the metal material to make.
According to dielectric filter's welding set, dielectric filter is 5G dielectric filter.
The utility model discloses dielectric filter's welding set includes base, locating plate and clamp plate in proper order, the base is equipped with the magnet that is used for adsorption medium's inner core. The utility model discloses a change inner core locate mode, fix a position by the self gravity and the spacing face in inner core hole bottom of original dependence inner core, optimize into and adopt the magnet location, magnet utilizes magnetism to adsorb the inner core at spacing face, avoid falling out the inner core mounting hole at assembly operation in-process inner core, can guarantee simultaneously in the backward flow welding process, the inner core is not because of the tension of soldering tin free fluctuation, accomplish not only highly spacing but also have the inner core fixed adsorption location to the direction of height of inner core, ensure the uniformity of welding back inner core height, thereby can promote dielectric filter and carry assembly welding's qualification rate. In addition, the structure of the inner core is not limited to a single form, and the processing cost of the inner core is further reduced.
Drawings
Fig. 1 is a cross-sectional view of a welding apparatus for a preferred dielectric filter of the present invention;
fig. 2 is a perspective view of a base of a welding device for a preferred dielectric filter of the present invention;
fig. 3 is a schematic view of a positioning plate of the welding device of the preferred dielectric filter of the present invention;
fig. 4 is a schematic view of a pressing plate of a welding device of the preferred dielectric filter of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention 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 invention and are not intended to limit the invention.
It should be noted that references in the specification to "one embodiment," "an example embodiment," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not intended to refer to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Moreover, where certain terms are used throughout the description and following claims to refer to particular components or features, those skilled in the art will understand that manufacturers may refer to a component or feature by different names or terms. This specification and the claims that follow do not intend to distinguish between components or features that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. In addition, the term "connected" as used herein includes any direct and indirect electrical connection. Indirect electrical connection means include connection by other means.
Fig. 1-4 show the utility model discloses a dielectric filter's welding set's structure, shown dielectric filter's welding set 100 adopts three-layer assembly structure, includes base 10, locating plate 20 and clamp plate 30 from bottom to top in proper order promptly, base 10, locating plate 20 and clamp plate 30 form the spacing space that is used for positioning medium 200 jointly. Preferably, the positioning plate 20 and the pressing plate 30 are detachably coupled to the base 10, respectively. At least one first magnet 11 is disposed on the base 10 corresponding to the inner core 300 of the medium 200, and the first magnet 11 adsorbs the inner core 300, so that the inner core 300 can be positioned by the magnetism of the first magnet 11, and the inner core 300 is prevented from falling out of the inner core mounting hole during the assembly operation. The first magnet 11 is preferably a high-temperature magnet.
As shown in fig. 1 and 2, at least one core positioning hole 12 is formed in the base 10 at a position corresponding to the core 300 of the medium 200, and the first magnet 11 is fixed in the core positioning hole 12. The first magnet 11 can be fixed in the inner core positioning hole 12 through the modes of screw joint, clamping, riveting, welding or bonding and the like. As shown in fig. 1, in this embodiment, a screw 13 is connected to a bottom of the first magnet 11, and the first magnet 11 is fixed in the core positioning hole 12 by the screw 13.
The utility model provides a new dielectric filter welding scheme is favorable to promoting dielectric filter assembly welded qualification rate. The welding set 100 of wave filter is under the prerequisite that does not change original dielectric filter's three-layer assembly structure, change the locate mode of inner core 300, by original self gravity and the spacing face in inner core hole bottom that relies on inner core 300, adopt high temperature resistant first magnet 11 to replace original inner core hole bottom spacing face after the optimization, first magnet 11 utilizes magnetism to adsorb inner core 300 at spacing face, avoid falling out the inner core mounting hole at assembly operation in-process inner core 300, can guarantee simultaneously at the reflow soldering in-process, inner core 300 is not because of the tension of soldering tin and freely floats from top to bottom, really accomplish to have highly spacing and inner core fixed adsorption positioning again to the direction of height of inner core 300, the uniformity of welding back inner core height has been improved. In addition, the structure of the inner core 300 is not limited to a single form any more, the welding requirements of inner cores with different structural forms are met, the applicability is wide, and the processing cost of the inner core 300 is reduced.
Preferably, the base 10, the positioning plate 20 and the pressing plate 30 of the welding device 100 of the dielectric filter of the present invention are made of metal material. For example, the base 10 may be made of AL6061 aluminum alloy. The dielectric filter is preferably a 5G dielectric filter. Of course, the dielectric filter of the present invention is not limited to the 5G dielectric filter, and may be a 2G dielectric filter, a 3G dielectric filter, a 4G dielectric filter, a 4.5G dielectric filter, a 6G dielectric filter, or the like.
As shown in fig. 3, the positioning plate 20 is provided with a medium positioning surface 21 for limiting the medium 200 and at least one positioning plate hole 22. As shown in fig. 2, the base 10 is provided with at least one positioning plate mounting hole 14 corresponding to the positioning plate hole 22, and the positioning plate 20 is fixed on the base 10 by a pin passing through the positioning plate hole 22 and the positioning plate mounting hole 14. Preferably, the positioning plate 20 is further provided with a medium assembling direction mark 23, and the medium assembling direction mark 23 is used for prompting an installer to assemble the medium 200 according to the correct direction.
As shown in fig. 2, the base 10 is provided with at least one pressing plate mounting hole 15 corresponding to the pressing plate 30, and a second magnet (not shown) is disposed in the pressing plate mounting hole 15, and the second magnet magnetically attracts the pressing plate 30. The second magnet is preferably a high-temperature resistant magnet.
As shown in fig. 1, the bottom of the medium 200 is further provided with a circuit board 400, and both the medium 200 and the circuit board 400 are limited in the limiting space. The circuit board 400 is provided with circuit board positioning holes (not shown). The circuit board 300 is preferably a PCB circuit board. As shown in fig. 2, the base 10 is provided with at least one circuit board positioning post 16 corresponding to the circuit board positioning hole, and the circuit board positioning post 16 passes through the circuit board positioning hole, so that the base 10 can limit the circuit board 400.
The utility model discloses welding set 100 is applicable to dielectric filter's assembly welding, just can use after each part assembly, can satisfy the dielectric welding requirement. The specific tooling process comprises:
(1) and (5) assembling the base. The base 10 is used for assembling tooling parts. Specifically, the circuit board 400, the medium 200, and the core 300 are mounted on the base 10, respectively. Firstly, the circuit board 400 is placed on the base 10, and the circuit board positioning posts 16 of the base 10 penetrate through the circuit board positioning holes of the circuit board 400, so that the base 10 can limit the circuit board 400. Then, the medium 200 and the core 300 are placed on the mounting position of the base 10, and the core 300 is attracted by the first magnet 11 on the base 10.
(2) And assembling the positioning plate. The positioning plate 20 is fixed on the base 10 by a pin, and the positioning plate 20 is used for limiting the medium 200.
(3) And (6) assembling the pressing plate. The pressing plate 30 is fixed to the base 10 by a second magnet, and the pressing plate 30 is used to press the medium 200.
(4) And (5) reflow soldering. And carrying out reflow soldering on the assembled tool.
To sum up, the utility model discloses dielectric filter's welding set includes base, locating plate and clamp plate in proper order, the base is equipped with the magnet that is used for adsorption medium's inner core. The utility model discloses a change inner core locate mode, fix a position by the self gravity and the spacing face in inner core hole bottom of original dependence inner core, optimize into and adopt the magnet location, magnet utilizes magnetism to adsorb the inner core at spacing face, avoid falling out the inner core mounting hole at assembly operation in-process inner core, can guarantee simultaneously in the backward flow welding process, the inner core is not because of the tension of soldering tin free fluctuation, accomplish not only highly spacing but also have the inner core fixed adsorption location to the direction of height of inner core, ensure the uniformity of welding back inner core height, thereby can promote dielectric filter and carry assembly welding's qualification rate. In addition, the structure of the inner core is not limited to a single form, and the processing cost of the inner core is further reduced.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (10)
1. The welding device for the dielectric filter is characterized by comprising a base, a positioning plate and a pressing plate from bottom to top in sequence, wherein the base, the positioning plate and the pressing plate form a limiting space for positioning a medium; at least one first magnet is arranged on the base corresponding to the inner core of the medium, and the first magnet adsorbs the inner core.
2. The welding device for the dielectric filter according to claim 1, wherein the positioning plate and the pressing plate are detachably attached to the base, respectively.
3. The apparatus for welding a dielectric filter as claimed in claim 2, wherein at least one inner core positioning hole is formed in the base at a position corresponding to the inner core of the dielectric, and the first magnet is fixed in the inner core positioning hole.
4. The welding device for the dielectric filter according to claim 3, wherein the first magnet is fixed in the inner core positioning hole by screwing, clamping, riveting, welding or bonding.
5. The welding device for the dielectric filter according to claim 4, wherein a screw is connected to a bottom of the first magnet, and the first magnet is fixed in the inner core positioning hole by the screw.
6. The welding device for the dielectric filter according to claim 2, wherein the positioning plate is provided with a dielectric positioning surface and at least one positioning plate hole, the base is provided with at least one positioning plate mounting hole corresponding to the positioning plate hole, and the positioning plate is fixed on the base by a pin penetrating through the positioning plate hole and the positioning plate mounting hole.
7. The welding device for the dielectric filter according to claim 2, wherein the base has at least one pressing plate mounting hole corresponding to the pressing plate, and a second magnet is disposed in the pressing plate mounting hole and attracts the pressing plate.
8. The welding device for the dielectric filter according to claim 2, wherein a circuit board is further arranged at the bottom of the dielectric, and the dielectric and the circuit board are both limited in the limiting space; the circuit board is provided with a circuit board positioning hole, the base is provided with at least one circuit board positioning column corresponding to the circuit board positioning hole, and the circuit board positioning column penetrates through the circuit board positioning hole to realize limiting.
9. The welding device for the dielectric filter according to claim 1, wherein the base, the positioning plate and the pressing plate are made of metal.
10. The welding device for the dielectric filter according to claim 1, wherein the dielectric filter is a 5G dielectric filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020978006.7U CN212734552U (en) | 2020-06-01 | 2020-06-01 | Welding device for dielectric filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020978006.7U CN212734552U (en) | 2020-06-01 | 2020-06-01 | Welding device for dielectric filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212734552U true CN212734552U (en) | 2021-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020978006.7U Active CN212734552U (en) | 2020-06-01 | 2020-06-01 | Welding device for dielectric filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212734552U (en) |
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2020
- 2020-06-01 CN CN202020978006.7U patent/CN212734552U/en active Active
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