CN110919119A - 5G dielectric filter assembly line tool clamp and method - Google Patents
5G dielectric filter assembly line tool clamp and method Download PDFInfo
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- CN110919119A CN110919119A CN201911180289.9A CN201911180289A CN110919119A CN 110919119 A CN110919119 A CN 110919119A CN 201911180289 A CN201911180289 A CN 201911180289A CN 110919119 A CN110919119 A CN 110919119A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
- B23K3/087—Soldering or brazing jigs, fixtures or clamping means
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Abstract
The invention relates to a 5G dielectric filter assembly line tool clamp, which comprises: the tool comprises a tool bottom plate, wherein an assembly area is arranged on the tool bottom plate, the assembly area is provided with an assembly groove for positioning and placing a PCB, and a PCB positioning pin and a joint positioning sleeve are arranged in the assembly groove; the tool template is provided with a profiling positioning hole matched with the assembling groove, and the profiling positioning hole is matched with the appearance of the ceramic medium; the lower surface of the tool pressing plate is provided with an elastic floating pressing pin; the assembling area is further provided with a template positioning pin and a pressing plate positioning pin, a first template positioning hole matched with the template positioning pin is formed in the tool template, and a pressing plate positioning hole matched with the pressing plate positioning pin is formed in the tool pressing plate. The positioning method is used for assembling and welding the 5G dielectric filter, and ensures the product assembling precision by combining different positioning modes adopted by different procedures of a product assembling process.
Description
Technical Field
The invention belongs to the technical field of 5G communication products, and particularly relates to a fixture and a method for a 5G dielectric filter assembly line.
Background
From the beginning of the development of telecommunications, filters have played an important role in circuits, and have been continuously developed along with the development of communication technology. In the field of modern communication technology, however, almost none of the branches is affected by digital filtering techniques. Source coding, channel coding, modulation, multiplexing, data compression, adaptive channel equalization, etc., all use digital filters widely, and especially in applications such as digital communication, network communication, image communication, etc., the digital filters are far from being used, and are almost impossible.
With the advent of the 5G era, new communication systems are required to develop a technology capable of extracting and detecting signals in a specific frequency band, and the development of such technology has further accelerated the research and development of filter technology, and new 5G filters have been in the production of compact drums. The filter is a microwave device for limiting the working frequency band of the base station, and is divided into four filters, namely a low-pass filter, a high-pass filter, a band-pass filter and a band-stop filter according to the frequency band of a passing signal. Each filter has a predetermined frequency range. In the test device, the interference noise can be filtered or the frequency spectrum can be analyzed by utilizing the frequency selection function of the filter.
The dielectric filter is designed and manufactured by utilizing the characteristics of low loss, high dielectric constant, small frequency temperature coefficient and thermal expansion coefficient, high power bearing and the like of the dielectric ceramic material. The dielectric filter is a microwave filter which adopts a dielectric resonant cavity to obtain the frequency-selecting function through multi-stage coupling. After the 21 st century, dielectric filters gradually moved from laboratories to production lines through long-term accumulation in theory and practice. 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 filter has the characteristics of small insertion loss, good power resistance and narrow bandwidth, and is particularly suitable for the cascade coupling filtering of CT1, CT2, 900MHz, 1.8GHz, 2.4GHz and 5.8GHz, portable telephones, automobile telephones, wireless earphones, wireless microphones, radio stations, cordless telephones, integrated transceiving duplexers and the like. As shown in fig. 14, 15 and 16, a dielectric filter generally includes a ceramic dielectric whose surface is covered with a metal layer having zero tangential electric field, and electromagnetic waves are confined in the dielectric to form standing wave oscillation having a geometric size of about half of the waveguide wavelength. The material generally adopts ceramic with relative dielectric constant of 60-80, and the size of the dielectric ceramic filter actually applied to wireless communication is in centimeter level. The ceramic medium is welded with the joint and the PCB, and the dielectric filter has high requirements on the assembly precision of the ceramic medium, the joint and the PCB. The invention patent application 5G communication product assembly line cover plate tooling clamp and method filed in 2019 in 2 months by the company, application number: 2019101420347. the application is directed at a general metal filter, and a tool clamp for a dielectric filter is still blank at present.
Disclosure of Invention
The invention aims to provide a fixture and a method for a 5G dielectric filter assembly line, which are used for assembling and welding a 5G dielectric filter.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a 5G dielectric filter assembly line frock clamp which characterized in that includes:
the tooling bottom plate 100 is provided with an assembly area 110, the assembly area 110 is provided with an assembly groove 111, the assembly groove 111 is matched with the PCB 401 and used for positioning and placing the PCB 401, and a PCB positioning pin 112 and a connector positioning sleeve 113 are arranged in the assembly groove 111;
the tool template 200 is matched with the assembly area 110, the tool template 200 is provided with a profiling positioning hole 201 matched with the assembly groove 111, and the profiling positioning hole 201 is matched with the appearance of the ceramic medium 402 and used for assembling and positioning the ceramic medium 402;
the tooling pressing plate 300 is matched with the tooling template 200, and the lower surface of the tooling pressing plate 300 is provided with an elastic floating pressing pin 304;
the assembly area 110 is further provided with a template positioning pin 115 and a pressing plate positioning pin 116, the tool template 200 is provided with a first template positioning hole 204 matched with the template positioning pin 115, and the tool pressing plate 300 is provided with a pressing plate positioning hole 302 matched with the pressing plate positioning pin 116; when assembling the dielectric filter, the tooling template 200 is installed on the tooling bottom plate 100, and the tooling press plate 300 is pressed on the tooling template 200.
Further, a plurality of circular holes 114 are formed in the assembly groove 111.
Further, the assembly area 110 is rectangular, a plurality of assembly grooves 111 are arranged in the assembly area 110 side by side along the length direction, and both ends of the assembly area 110 are provided with a template positioning pin 115 and a pressing plate positioning pin 116.
Further, a transfer area 120 is further arranged on the tooling bottom plate 100, and the transfer area 120 is used for transferring and placing the tooling template 200 and the tooling press plate 300; the transfer area 120 is provided with a press plate and template positioning pin 121 and a pressing pin insertion hole 123, and the tooling template 200 is further provided with a second template positioning hole 205 matched with the press plate and template positioning pin 121; during transit, the tooling press plate 300 is installed in the transit area 120, the elastic floating pressing pin 304 is inserted into the pressing pin insertion hole 123, and the tooling template 200 is installed on the tooling press plate 300.
Further, the tooling bottom plate 100 is rectangular and is provided with two assembly areas 110, the two assembly areas 110 are arranged in the middle of the tooling bottom plate 100 side by side, and a transfer area 120 is arranged outside each assembly area 110.
Further, the middle parts of the two sides of the profiling positioning hole 201 are expanded outwards to form a grabbing area 202 for grabbing the ceramic medium 402.
Further, a round chamfer hole 203 is poured out from each of four corners of the profiling positioning hole 201.
Further, a rectangular round hole 303 corresponding to the profiling positioning hole 201 is formed in the tooling pressing plate 300.
The use method of the 5G dielectric filter assembly line tool clamp is characterized by comprising the following steps:
s1, the tooling pressing plate 300 and the tooling template 200 are installed in the transit area 120 in advance, the PCB 401 is installed in the assembling groove 111, and the connector 404 is installed in the connector positioning sleeve 113;
s2, brushing solder paste on the welding position of the PCB 401 and the joint 404;
s3, installing the tooling template 200 in the assembly area 110, installing the ceramic medium 402 in the profiling positioning hole 201 for positioning, and installing the ceramic medium on the PCB 401 to finish assembly;
s4, mounting the tooling press plate 300 on the tooling template 200, and tightly pressing the ceramic dielectric 402 on the PCB 401 through the elastic floating pressing pin 304;
and S5, finally, conveying the 5G dielectric filter assembly line tool fixture to reflow to complete the welding of the dielectric filter.
The invention has the beneficial effects that: the positioning method is used for assembling and welding the 5G dielectric filter, and ensures the product assembling precision by combining different positioning modes adopted by different procedures of a product assembling process. According to the assembly process and high-precision requirements of the dielectric filter, the tool design follows the principle of combining a positioning pin with profiling positioning and floating compression, and meanwhile, a mode of nesting fine positioning and coarse positioning is adopted, so that accurate positioning of a product is ensured, and the assembly precision requirements of the product are met.
Drawings
Fig. 1 is a schematic perspective view of a 5G dielectric filter assembly line fixture before assembly.
Fig. 2 is an exploded perspective view of a 5G dielectric filter assembly line tooling fixture.
Fig. 3 is an exploded perspective view of a 5G dielectric filter assembly line tooling fixture during assembly.
Fig. 4 is a schematic front view of a fixture assembly of a 5G dielectric filter assembly line.
Fig. 5 is a schematic cross-sectional view taken along line C-C in fig. 4.
Fig. 6 is a schematic front view of the tooling bottom plate.
Fig. 7 is a schematic front view of a tooling template.
Fig. 8 is a schematic front view of the tooling press plate.
Fig. 9 is a schematic sectional view taken along line a-a in fig. 8.
FIG. 10 is a side schematic view of a tooling press plate.
Fig. 11 is a schematic elevational view of the tooling press plate.
Fig. 12 is a perspective view of a joint boot.
Fig. 13 is a perspective view of a positioning pin of a PCB board.
Fig. 14 is a front perspective view of the dielectric filter.
Fig. 15 is a reverse perspective view of the dielectric filter.
Fig. 16 is an exploded view of the dielectric filter.
In the figure:
100-tool bottom plate, 110-assembly area, 111-assembly groove, 112-PCB positioning pin, 113-joint positioning sleeve, 114-round hole, 115-template positioning pin, 116-pressure plate positioning pin and 117-nut bushing; 120-a transition area, 121-a pressure plate and template positioning pins, 122-bolt jacks and 123-compression pin jacks;
200-tooling template, 201-profiling positioning hole, 202-grabbing area, 203-round chamfer hole, 204-first template positioning hole and 205-second template positioning hole;
300-a tooling pressure plate, 301-a locking bolt, 302-a pressure plate positioning hole, 303-a rectangular fillet hole and 304-an elastic floating compression pin;
401-PCB board, 402-ceramic dielectric, 403-PCB board positioning hole, 404-connector.
Detailed Description
In order to better understand the present invention, the following embodiments are further described.
The utility model provides a 5G dielectric filter assembly line frock clamp, includes:
as shown in fig. 1, the tooling bottom plate 100 is rectangular, and is provided with two assembly areas 110, the two assembly areas 110 are arranged in the middle of the tooling bottom plate 100 side by side, and a transfer area 120 is arranged outside each assembly area 110.
The assembly area 110 is rectangular, and two ends of the assembly area 110 are provided with a template positioning pin 115, a pressing plate positioning pin 116 and a nut bushing 117; a plurality of assembling grooves 111 are arranged in the assembling area 110 side by side along the length direction, and the assembling grooves 111 are matched with the PCB 401 (shape) and used for positioning and placing the PCB 401; as shown in fig. 6, a PCB positioning pin 112 and a connector positioning sleeve 113 are disposed in the assembly groove 111, the PCB positioning pin 112 and the connector positioning sleeve 113 are respectively matched and corresponding to a PCB positioning hole 403 and a connector 404 on a PCB 401, and a plurality of circular holes 114 are further disposed in the assembly groove 111.
The transfer area 120 is used for transferring the tooling die plate 200 and the tooling press plate 300, and the transfer area 120 is provided with a press plate and die plate positioning pin 121, a pressing pin insertion hole 123 and a bolt insertion hole 122.
As shown in fig. 7, the tooling template 200 is rectangular and matches the shape of the assembly area 110;
the tool template 200 is provided with profiling positioning holes 201 matched with the assembling grooves 111 in number and positions, and the profiling positioning holes 201 are matched with the appearance of the ceramic medium 402 and used for assembling and positioning the ceramic medium 402; the middle part of profile modeling locating hole 201 both sides outwards expands out and is used for snatching the district 202 of snatching of ceramic medium 402, a circular chamfer hole 203 is all poured out to four angles of profile modeling locating hole 201, places ceramic medium 402 four corners and damages in the installation.
The tooling template 200 is provided with a first template positioning hole 204 matched with the template positioning pin 115 for installation and positioning.
The tooling template 200 is further provided with a second template positioning hole 205 matched with the pressing plate and the template positioning pin 121 and used for installation and positioning during transit.
The tool pressing plate 300 is matched with the tool template 200 (in shape), and the lower surface of the tool pressing plate 300 is provided with an elastic floating pressing pin 304; the tool pressing plate 300 is provided with a rectangular round hole 303 corresponding to the profiling positioning hole 201. The tool pressing plate 300 is provided with a pressing plate positioning hole 302 matched with the pressing plate positioning pin 116; and the tool pressing plate 300 is provided with a locking bolt 301 matched with the nut bushing 117 and used for locking with the tool bottom plate 100.
When assembling the dielectric filter, the tooling template 200 is installed on the tooling bottom plate 100, and the tooling press plate 300 is pressed on the tooling template 200.
During transit, the tooling press plate 300 is installed in the transit area 120, the elastic floating pressing pin 304 is inserted into the pressing pin insertion hole 123, and the tooling template 200 is installed on the tooling press plate 300.
The use method of the 5G dielectric filter assembly line tool clamp comprises the following steps:
s1, as shown in FIG. 1, the tooling press plate 300 and the tooling template 200 are installed in the transit area 120 in advance, the PCB 401 is installed in the assembly groove 111 first, accurate positioning of the PCB 401 is ensured, and the connector 404 is installed in the connector positioning sleeve 113;
s2, brushing solder paste (or dotting solder paste) on the welding position of the PCB 401 and the joint 404 to ensure that the solder paste is uniform and full;
s3, as shown in FIG. 3, the tooling template 200 is installed in the assembly area 110, then the ceramic medium 402 is installed in the profiling positioning hole 201 for positioning and is installed on the PCB 401, and the assembly is completed;
s4, mounting the tooling press plate 300 on the tooling template 200, and tightly pressing the ceramic dielectric 402 on the PCB 401 through the elastic floating pressing pin 304;
and S5, finally, conveying the 5G dielectric filter assembly line tool fixture to reflow soldering to finish soldering the dielectric filter, wherein the soldering temperature is generally 250-290 ℃ (the solder paste components are different, and the soldering temperature is different).
The above description is only an application example of the present invention, and certainly, the present invention should not be limited by this application, and therefore, the present invention is still within the protection scope of the present invention by equivalent changes made in the claims of the present invention.
Claims (9)
1. The utility model provides a 5G dielectric filter assembly line frock clamp which characterized in that includes:
the tooling bottom plate (100) is provided with an assembly area (110), the assembly area (110) is provided with an assembly groove (111), the assembly groove (111) is matched with the PCB (401) and used for positioning and placing the PCB (401), and a PCB positioning pin (112) and a joint positioning sleeve (113) are arranged in the assembly groove (111);
the tool template (200) is matched with the assembly area (110), the tool template (200) is provided with a profiling positioning hole (201) matched with the assembly groove (111), and the profiling positioning hole (201) is matched with the appearance of the ceramic medium (402) and used for assembling and positioning the ceramic medium (402);
the tooling pressing plate (300) is matched with the tooling template (200), and the lower surface of the tooling pressing plate (300) is provided with an elastic floating pressing pin (304);
the assembling area (110) is further provided with a template positioning pin (115) and a pressing plate positioning pin (116), the tooling template (200) is provided with a first template positioning hole (204) matched with the template positioning pin (115), and the tooling pressing plate (300) is provided with a pressing plate positioning hole (302) matched with the pressing plate positioning pin (116); when the dielectric filter is assembled, the tooling template (200) is installed on the tooling bottom plate (100), and the tooling pressing plate (300) is pressed on the tooling template (200).
2. The 5G dielectric filter assembly line tool clamp as claimed in claim 1, wherein a plurality of round holes (114) are further formed in the assembly groove (111).
3. The 5G dielectric filter assembly line tooling fixture as claimed in claim 1, wherein the assembly area (110) is rectangular, a plurality of assembly slots (111) are arranged in the assembly area (110) side by side along the length direction, and both ends of the assembly area (110) are provided with a template positioning pin (115) and a pressing plate positioning pin (116).
4. The tooling clamp for the 5G dielectric filter assembly line according to claim 1, wherein the tooling bottom plate (100) is further provided with a transfer area (120), and the transfer area (120) is used for transferring and placing the tooling template (200) and the tooling pressing plate (300); the transfer area (120) is provided with a pressing plate and template positioning pin (121) and a pressing pin insertion hole (123), and the tooling template (200) is also provided with a second template positioning hole (205) matched with the pressing plate and template positioning pin (121); during transit, the tooling press plate (300) is installed in the transit area (120), the elastic floating pressing pin (304) is inserted into the pressing pin insertion hole (123), and the tooling template (200) is installed on the tooling press plate (300).
5. The 5G dielectric filter assembly line tooling fixture as claimed in claim 4, wherein the tooling bottom plate (100) is rectangular and is provided with two assembly areas (110), the two assembly areas (110) are arranged in the middle of the tooling bottom plate (100) side by side, and a transfer area (120) is arranged outside each assembly area (110).
6. The 5G dielectric filter assembly line tool clamp as claimed in claim 1, wherein the middle parts of the two sides of the profiling positioning hole (201) are outwards expanded with a grabbing area (202) for grabbing the ceramic dielectric (402).
7. The 5G dielectric filter assembly line tooling fixture as claimed in claim 6, wherein each of four corners of the profiling positioning hole (201) is chamfered by a round chamfered hole (203).
8. The 5G dielectric filter assembly line tooling clamp according to claim 1, wherein the tooling press plate (300) is provided with rectangular round-corner holes (303) corresponding to the profiling positioning holes (201).
9. The use method of the 5G dielectric filter assembly line tool clamp according to claim 4 or 5, characterized by comprising the following steps:
s1, the tooling pressing plate (300) and the tooling template (200) are installed in the transit area (120) in advance, the PCB (401) is installed in the assembling groove (111) first, and the joint (404) is installed in the joint positioning sleeve (113);
s2, brushing solder paste on the welding position of the PCB (401) and the joint (404);
s3, mounting the tooling template (200) in the assembly area (110), mounting the ceramic medium (402) in the profiling positioning hole (201) for positioning, and mounting the ceramic medium on the PCB (401) to finish assembly;
s4, mounting the tooling pressing plate (300) on the tooling template (200), and pressing the ceramic medium (402) on the PCB (401) through the elastic floating pressing pin (304);
and S5, finally, conveying the 5G dielectric filter assembly line tool fixture to reflow to complete the welding of the dielectric filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911180289.9A CN110919119A (en) | 2019-11-27 | 2019-11-27 | 5G dielectric filter assembly line tool clamp and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911180289.9A CN110919119A (en) | 2019-11-27 | 2019-11-27 | 5G dielectric filter assembly line tool clamp and method |
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| CN110919119A true CN110919119A (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911180289.9A Pending CN110919119A (en) | 2019-11-27 | 2019-11-27 | 5G dielectric filter assembly line tool clamp and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757239A (en) * | 2021-09-06 | 2021-12-07 | 无锡市高宇晟新材料科技有限公司 | Medium communication device, preparation method thereof and concentricity positioning tool for preparing medium communication device |
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