CN210280996U - Welding device for radio frequency cable assembly - Google Patents
Welding device for radio frequency cable assembly Download PDFInfo
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- CN210280996U CN210280996U CN201920689811.5U CN201920689811U CN210280996U CN 210280996 U CN210280996 U CN 210280996U CN 201920689811 U CN201920689811 U CN 201920689811U CN 210280996 U CN210280996 U CN 210280996U
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Abstract
The utility model discloses a welding set of radio frequency cable subassembly has solved among the prior art and has adopted the control by temperature change electric iron local heating to be heated unevenly in the assembling process of radio frequency cable subassembly, and welding quality is poor, and the operation is complicated, and soldering tin contaminated area is big, can not guarantee the problem in compensation clearance. The utility model discloses a welding set of radio frequency cable subassembly includes the holding ring of suit in radio frequency cable's cable shielding layer periphery one end, and the symmetric position is equipped with the observation hole that send the tin hole and be used for observing the notes tin volume that is used for the solder wire to penetrate respectively on the periphery of the first hollow circular cylinder of holding ring, installs the compensation gasket in radio frequency cable's sinle silk periphery. The utility model discloses can ensure soldering tin evenly distributed, regular after the soldering tin solidification, product welding quality is good, welding efficiency is high, performance index is good, easy operation is convenient, the product is pleasing to the eye and characteristic impedance match nature is good.
Description
Technical Field
The utility model relates to a cable subassembly assembly technical field provides a radio frequency cable subassembly's welding set very much.
Background
In the prior art, when a radio frequency cable assembly is assembled, the shield flashes and turns up when a cable core is stripped, so that a positioning ring cannot penetrate into a shielding layer, and the assembly of a product is influenced; in addition, cable subassembly uses desk-top vice fixed, uses the welding of temperature control electric iron, and electric iron local heating leads to being heated by weldment part, and soldering tin melting flow direction is inhomogeneous, leads to soldering tin to distribute unevenly, and it piles up in certain department to appear soldering tin, and thin uneven influences product welding quality and performance index.
In addition, a compensation gap is usually arranged between a contact body and the end face of a cable shielding layer of the radio frequency cable assembly, the compensation gap is used for compensating discontinuous capacitance caused by diameter mutation of an inner conductor and an outer conductor, the consistency of characteristic impedance is ensured, the temperature can reach 200-300 ℃ during welding of the contact body, a compensation gasket needs to be removed after welding, the gap can only be roughly identified by naked eyes at present, the compensation gap cannot be accurately ensured, the technical problem of uneven compensation gap is solved, the accuracy and consistency of the compensation gap cannot be ensured, and the performance index of a radio frequency product meets the design requirement.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a can make product welding quality good, welding efficiency is high, performance index is good, easy operation is convenient, the pleasing to the eye and the good radio frequency cable assembly's of characteristic impedance match nature welding set of product.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a welding device of a radio frequency cable assembly comprises a positioning ring sleeved at one end of the periphery of a cable shielding layer of a radio frequency cable, wherein the positioning ring is a step-shaped cylinder consisting of a first hollow cylinder and a second hollow cylinder with different outer diameters, a tin feeding hole for a solder wire to penetrate and an observation hole for observing tin injection quantity are respectively arranged at symmetrical positions on the circumferential surface of the first hollow cylinder, a compensation gasket is arranged at the periphery of a wire core of the radio frequency cable and comprises a disc body, a through hole for the wire core to pass through is arranged at the center of the disc body, one side end face of the disc body is attached to the end face of the cable shielding layer of the radio frequency cable and the outer end face of the second hollow cylinder of the positioning ring which is level to the end face of the cable shielding layer, a fan-shaped opening is arranged on one side of the through hole of the disc body towards the outer edge of the disc, for blade insertion and removal of shim compensators.
Further, the outer diameter of the first hollow cylinder is smaller than the outer diameter of the second hollow cylinder.
Further, the thickness of the compensation gasket is equal to the compensation gap value between the contact body to be arranged and the end face of the cable shielding layer.
Further, the thickness of the shim is 0.6 mm.
Further, the shim is made of PTFE polytetrafluoroethylene material.
Further, the tin feeding hole and the observation hole are both circular through holes.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a cable subassembly welding machine cooperates with the holding ring, makes cable subassembly can fix and be heated, send tin convenient operation, and is simple, annotates the tin volume through observation hole control, and the soldering tin solidification back is regular, and product welding quality is good, welding efficiency is high, performance index is good. And the utility model discloses use the compensating pad to guarantee accurately that the compensation clearance, the compensating pad adopts PTFE polytetrafluoroethylene material, and this material mechanical properties is softer, and is high temperature resistant, and contact welding temperature can not make it melt, can not pollute other spare parts, has minimum surface tension among the solid material and does not adhere to any material. And the processing mode is machining, and production efficiency is high and stable in structure. The isolation is effectively realized, the pollution of soldering tin to a cable wire foaming polytetrafluoroethylene layer and the adhesion to a cable shielding layer in the welding process of the contact body and the cable core are prevented, and the performance index of a radio frequency product is improved. And the performance index of the radio frequency product meets the design requirement.
Drawings
FIG. 1 is a schematic view of the electrode mounting structure of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic perspective view of FIG. 1;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a schematic view of a shim;
in the figure: 1-an electrode; 2-a radio frequency cable; 2-1-cable shielding; 2-2-end surface of cable shielding layer; 2-3-wire core; 3-a positioning ring; 3-1-a first hollow cylinder; 3-2-a second hollow cylinder; 3-3-feeding tin holes; 3-4-observation hole; 3-5-outer end face; 4-a compensation shim; 4-1-via; 4-2-sector opening; 5-soldering tin wire; 6-melting and molding the soldering tin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, a welding device for a radio frequency cable assembly comprises a positioning ring 3 sleeved at one end of the periphery of a cable shielding layer 2-1 of a radio frequency cable 2, wherein the positioning ring 3 is a step-shaped cylinder consisting of a first hollow cylinder 3-1 and a second hollow cylinder 3-2 with different outer diameters, a tin feeding hole 3-3 for a solder wire to penetrate and an observation hole 3-4 for observing tin injection amount are respectively arranged at symmetrical positions on the circumferential surface of the first hollow cylinder 3-1, a compensation gasket 4 is arranged at the periphery of a cable core 2-3 of the radio frequency cable, referring to fig. 4, the compensation gasket 4 comprises a disc body, a through hole 4-1 for the cable core to penetrate is arranged at the center of the disc body, one side end face of the disc body is attached to the end face 2-2 of the cable shielding layer of the radio frequency cable and is flush with the end face 2-2 of the cable shielding layer A fan-shaped opening 4-2 is formed in the side, facing the outer edge of the disc body, of the through hole 4-1 of the disc body on the outer end face 3-3 of the second hollow cylinder 3-2 of the position ring and used for inserting and removing the compensating spacer by a blade.
The outer diameter of the first hollow cylinder 3-1 is smaller than that of the second hollow cylinder 3-2, the first hollow cylinder 3-1 and the second hollow cylinder are integrally formed, and the inner diameters of the first hollow cylinder 3-1 and the second hollow cylinder 3-3 are the same.
The thickness of the compensation gasket 4 is equal to the compensation gap value between the contact body to be arranged and the end face of the cable shielding layer.
The shim 4 is 0.6mm thick.
The shim 4 is made of PTFE polytetrafluoroethylene material.
The tin feeding hole 3-1 and the observation hole 3-2 are both circular through holes.
Referring to fig. 1-5, the present invention additionally provides a welding method using the above-mentioned radio frequency cable assembly welding apparatus, comprising the steps of:
firstly, peeling off the outer skin of a radio frequency cable 2, exposing a cable shielding layer 2-1, axially tinning the cable shielding layer of the transversely placed radio frequency cable after peeling off the outer skin, preventing the cable shielding layer from flashing and turning up when a wire core is peeled off for the second time by using a 60W temperature control soldering iron at 340 ℃, and immediately carrying out throwing treatment after tinning to ensure that the cable shielding layer 2-1 smoothly penetrates into a positioning ring 3 and the outer end face 3-5 of the positioning ring is flush with the end face 2-2 of the cable shielding layer;
secondly, clamping the radio frequency cable assembly sleeved with the positioning ring 3 between two electrodes 1 of a welding machine for fixing, enabling the two electrodes 1 to be respectively contacted with the positioning ring 3, enabling the tin feeding holes 3-3 of the positioning ring 3 to be upward, vertically placing the soldering tin wires 5 into the tin feeding holes 3-3 at a proper speed, turning on the welding machine, pressing a foot switch, starting heating the electrodes 1, melting the soldering tin wires 5 from the tin feeding holes 3-3, and regularly wrapping the soldering tin wires on the periphery of a cable shielding layer;
thirdly, observing the tin injection amount by using the downward observation hole 3-4, immediately stopping heating and feeding tin after the soldering tin can be observed from the observation hole 3-4 of the positioning ring, ensuring the consistency of products, and melting and forming the soldering tin 6 as shown in figure 4;
fourthly, inserting the wire core 2-3 into a through hole 4-1 of the compensation gasket 4, and enabling one side end face of the disc body of the compensation gasket 4 to be attached to the end face 2-2 of the cable shielding layer of the radio frequency cable and the outer side end face 3-5 of the second hollow cylinder of the positioning ring which is flush with the end face of the cable shielding layer;
fifthly, clamping the contact body on a bench vice, hanging tin by using a 60W electric soldering iron, welding the wire core 2-3 of the radio frequency cable to the contact body after tin hanging, ejecting the compensation gasket 4 on the contact body, then removing the compensation gasket from the fan-shaped opening 4-2 of the compensation gasket by using a blade, and ensuring the compensation gap between the contact body and the end face 2-2 of the cable shielding layer by using the compensation gasket 4.
The power gear of the welding machine in the second step is selected to be 2 gears, the diameter of the solder wire 5 is phi 0.8mm, the tin feeding speed of the solder wire 5 is not allowed to be too fast, so that the phenomenon that the solder is accumulated on the outer surface and blocks the tin from flowing in is avoided, the continuous heating time of the welded radio frequency cable assembly is not more than 3s, and the welded radio frequency cable assembly can be heated at intervals for many times.
And the compensation clearance of the fifth step is 0.6 mm.
The process and the implementation of the present invention are explained by using specific examples, and the above description of the examples is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (6)
1. A welding device of a radio frequency cable assembly is characterized by comprising a positioning ring sleeved at one end of the periphery of a cable shielding layer of a radio frequency cable, wherein the positioning ring is a step-shaped cylinder consisting of a first hollow cylinder and a second hollow cylinder with different outer diameters, a tin feeding hole for a solder wire to penetrate and an observation hole for observing tin injection quantity are respectively arranged at symmetrical positions on the circumferential surface of the first hollow cylinder, a compensation gasket is arranged at the periphery of a wire core of the radio frequency cable and comprises a disc body, a through hole for the wire core to pass through is arranged in the center of the disc body, one side end face of the disc body is attached to the end face of the cable shielding layer of the radio frequency cable and the outer side end face of the second hollow cylinder of the positioning ring which is level to the end face of the cable shielding layer, a fan-shaped opening is arranged on one side of the through hole of the disc body towards the outer edge of the disc, for blade insertion and removal of shim compensators.
2. The apparatus of claim 1, wherein the first hollow cylinder has an outer diameter less than an outer diameter of the second hollow cylinder.
3. A welding apparatus for a radio frequency cable assembly as claimed in claim 1, wherein said compensating spacer has a thickness equal to a compensating clearance between the contact to be placed and the end surface of the cable shield.
4. A welding apparatus for a radio frequency cable assembly as claimed in claim 3, wherein said shim has a thickness of 0.6 mm.
5. A welding apparatus for a radio frequency cable assembly as defined in claim 1, wherein said compensating spacer is formed of PTFE polytetrafluoroethylene material.
6. The apparatus for soldering a radio frequency cable assembly as claimed in claim 1, wherein the solder feeding hole and the observation hole are circular through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689811.5U CN210280996U (en) | 2019-05-15 | 2019-05-15 | Welding device for radio frequency cable assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689811.5U CN210280996U (en) | 2019-05-15 | 2019-05-15 | Welding device for radio frequency cable assembly |
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| CN210280996U true CN210280996U (en) | 2020-04-10 |
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| CN201920689811.5U Active CN210280996U (en) | 2019-05-15 | 2019-05-15 | Welding device for radio frequency cable assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125506A (en) * | 2019-05-15 | 2019-08-16 | 沈阳兴华航空电器有限责任公司 | A kind of welder and welding method of radio-frequency cable component |
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2019
- 2019-05-15 CN CN201920689811.5U patent/CN210280996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110125506A (en) * | 2019-05-15 | 2019-08-16 | 沈阳兴华航空电器有限责任公司 | A kind of welder and welding method of radio-frequency cable component |
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