Radio frequency test socket manufacturing process

Abstract

The invention provides a radio frequency test bench manufacturing process. The method comprises the following steps of material preparation of a shell, stamping of a fixed terminal material belt and an elastic terminal material belt, injection molding of a fixed terminal, an elastic terminal and the shell, gold plating of the fixed terminal material belt and the elastic terminal material belt, separation of a first main material belt and a second main material belt, installation of a fixed terminal assembly, installation of an elastic terminal assembly and closing of a shell assembly. And stripping of the first material bridge and the second material bridge, appearance and performance detection, material receiving and packaging of finished products, the first plastic body can cover the first resistance welding area, the second plastic body can cover the second resistance welding area, and gold plating is prevented from entering gaps between the resistance welding areas and the plastic bodies. When a product is welded, solder paste or soldering flux can be effectively prevented from climbing into the product, stability and reliability during testing and using are ensured, the welding device has the advantages of being simple in process, good in operability and easy to assemble, production efficiency can be improved, product assembling consistency is good, and product miniaturization can be achieved.

Description

Technical Field

[0001] The invention relates to the field of connector manufacturing technology, in particular to a radio frequency test socket manufacturing technology and a preparation process thereof. Background Art

[0002] As an indispensable part of communication electronic products, RF test sockets can test RF chips quickly and stably, which helps to improve the efficiency of circuit measurement. The development of 4G and 5G has accelerated the iteration speed of consumer electronics products. The multifunctional modules and high-speed development of smart phones and wearable devices have promoted the development of RF test socket connectors. RF test sockets are used in various communication devices such as mobile phones, computers, tablets, smart watches, and home appliances. In smart devices, there are relatively high requirements for the miniaturization, stability, and reliability of RF test socket connectors.

[0003] At present, most RF test sockets on the market use the production process of assembling hardware onto plastic parts. The hardware assembly process has high requirements for product precision, and the assembled product precision and consistency are poor. With the demand for test sockets with smaller dimensions, the assembly process of ultra-small products is more difficult to achieve. Since the hardware terminals and plastic parts are not an integrated structure, the anti-tin creep and anti-flux effect is not good. The gold-plated layer on the terminal can easily penetrate into the gap between the solder mask area and the plastic part, causing the solder paste and flux to climb onto the solder mask area and the contact area, affecting the terminal's arm elasticity and causing functional failure, prone to mismeasurement problems, and insufficient product reliability. Summary of the invention

[0004] The problem to be solved by the present invention is to provide a radio frequency test socket manufacturing process to prevent solder paste or flux from creeping into the interior of the product during welding, causing switch function failure, thereby improving product reliability.

[0005] To solve the above technical problem, a radio frequency test socket manufacturing process provided by the present invention includes the following steps:

[0006] S1: preparing the outer shell, the outer shell comprises a top panel, a cylindrical portion connected to the top of the top panel, and fixing ears respectively connected to both sides of the top panel;

[0007] S2: Stamping of fixed terminal strips and elastic terminal strips, wherein the fixed terminal strips and the elastic terminal strips are respectively stamped on a steel strip to form the fixed terminal strips and the elastic terminal strips, wherein the fixed terminal strips include a first main strip, a plurality of first material bridges connected to the first main strip, and a fixed terminal connected to the first material bridge, wherein the fixed terminal includes a first welding area, a first solder resist area connected to the first welding area, and a first contact area connected to the first solder resist area, wherein the elastic terminal strip includes a second main strip, a plurality of second material bridges connected to the second main strip, and an elastic terminal connected to the second material bridge, wherein the elastic terminal includes a second welding area, a second solder resist area connected to the second welding area, and a second contact area connected to the second solder resist area;

[0008] S3: Injection molding of fixed terminals, elastic terminals, and a shell, wherein the fixed terminals, the elastic terminals, and the shell are respectively injection molded to form a fixed terminal assembly, an elastic terminal assembly, and a shell assembly, wherein the fixed terminal assembly comprises a first plastic body, a first material bridge, and a fixed terminal, wherein the first plastic body is integrally molded on a first solder resist area and covers the first solder resist area, wherein the elastic terminal assembly comprises a second plastic body, a second material bridge, and an elastic terminal, wherein the second plastic body is integrally molded on a second solder resist area and covers the second solder resist area, and wherein the shell assembly comprises a shell and a third plastic body integrally molded on the shell;

[0009] S4: gold plating the fixed terminal strip and the elastic terminal strip, gold plating the fixed terminal assembly and the elastic terminal assembly to form a gold-plated layer on the first material bridge, the fixed terminal, the second material bridge, and the elastic terminal;

[0010] S5: separating the first main material strip and the second main material strip, peeling the first material bridge together with the fixed terminal from the first main material strip, and peeling the second material bridge together with the elastic terminal from the second main material strip;

[0011] S6: Installation of the fixed terminal assembly, installing the fixed terminal assembly onto the housing assembly;

[0012] S7: installing the elastic terminal assembly, installing the elastic terminal assembly onto the fixed terminal assembly;

[0013] S8: closing the shell assembly, retracting and shaping the two fixing ears of the shell to fix the second plastic body on the shell;

[0014] S9: peeling off the first material bridge and the second material bridge, separating the first material bridge and the second material bridge from the fixed terminal and the elastic terminal respectively, to manufacture a finished RF test socket;

[0015] S10: Appearance and performance inspection, appearance and performance inspection of the finished RF test socket;

[0016] S11: Packaging of finished products, packaging of RF test socket finished products.

[0017] Preferably, the third plastic body includes an insertion tube integrally formed on the inner side of the cylindrical portion, a first positioning platform and a second positioning platform respectively connected to both sides of the bottom of the insertion tube, the first plastic body includes a connecting portion, and arm portions respectively connected to both ends of the connecting portion, a first limiting groove is provided on the top of the connecting portion, a first limiting portion matching the first limiting groove is provided on the bottom of the first positioning platform, the first limiting portion is embedded in the first limiting groove, a first avoiding inclined surface is provided on the inner side of the arm portion, and first limiting inclined surfaces matching the first avoiding inclined surfaces are provided on both sides of the first positioning platform, and the first avoiding inclined surface is attached to the first limiting inclined surface; the second plastic body includes a connecting portion, and arm portions respectively connected to both ends of the connecting portion, a first limiting groove is provided on the top of the connecting portion, a first limiting portion matching the first limiting groove is provided on the bottom of the first positioning platform, and the first avoiding inclined surface is attached to the first limiting inclined surface; The body includes a bottom plate, a first side plate connected to two opposite sides of the top of the bottom plate, and a second side plate connected between the two first side plates. The inner side surface of the first side plate is provided with a second avoidance inclined surface, the outer side of the arm is provided with a second limiting inclined surface, the second avoidance inclined surface is affixed to the second limiting inclined surface, positioning bosses are provided on both sides of the second positioning platform, a positioning groove matching the positioning boss is provided on the top of the first side plate, the positioning boss is embedded in the positioning groove, a second limiting portion is connected to one side of the second positioning platform, a second limiting groove matching the second limiting portion is provided on the top of the second side plate, and the second limiting portion is embedded in the second limiting groove.

[0018] Preferably, the fixing ear includes a side panel connected to the top panel, and a bottom panel connected to the side panel, a limiting step is arranged on the outer side of the first side panel, a limiting window matching the limiting step is opened on the side panel, the limiting step is arranged on the limiting window, a avoiding groove matching the bottom panel is arranged at the bottom of the bottom plate, and the bottom panel is arranged on the avoiding groove.

[0019] Preferably, in step S4, the fixed terminal assembly and the elastic terminal assembly can be gold-plated by brush gold plating, immersion gold plating, or spot gold plating.

[0020] Preferably, in step S2, V-grooves are punched at the connection between the first main material strip and the first material bridge, the connection between the first material bridge and the fixed terminal, the connection between the second main material strip and the second material bridge, and the connection between the second material bridge and the elastic terminal.

[0021] The beneficial effects of the present invention are as follows: the present invention provides a radio frequency test socket manufacturing process, wherein the fixed terminal, the elastic terminal, and the shell are respectively injection molded to form a fixed terminal assembly, an elastic terminal assembly, and a shell assembly, wherein the first plastic body can cover the first solder resist area, and the second plastic body can cover the second solder resist area, and then the fixed terminal assembly and the elastic terminal assembly are gold plated to form a gold-plated layer on the first material bridge, the fixed terminal, the second material bridge, and the elastic terminal, so as to prevent the gold plating from penetrating into the gap between the solder resist area and the plastic body, and then the fixed terminal assembly, the elastic terminal assembly, and the shell assembly are assembled into a finished radio frequency test socket. When welding the product, solder paste or flux can be effectively prevented from creeping into the interior of the product, so as to avoid affecting the arm force of the terminal, and ensure stability and reliability during testing and use, and the product has the advantages of simple process, good operability, and easy assembly, which can improve production efficiency, good product assembly consistency, and can realize product miniaturization. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A process flow diagram of the present invention is illustrated.

[0023] Figure 2 The structural schematic diagram of the housing of the present invention is illustrated.

[0024] Figure 3 The structural schematic diagram of the fixed terminal strip of the present invention is illustrated.

[0025] Figure 4 The schematic structural diagram of the elastic terminal strip of the present invention is illustrated.

[0026] Figure 5 The structural schematic diagram of the fixed terminal assembly of the present invention is illustrated.

[0027] Figure 6 The structural schematic diagram of the elastic terminal assembly of the present invention is illustrated.

[0028] Figure 7 A structural schematic diagram of the housing assembly of the present invention is illustrated from a first viewing angle.

[0029] Figure 8 A structural schematic diagram of the housing assembly of the present invention is illustrated from a second viewing angle.

[0030] Fig. 9 The schematic diagram of the structure of the fixed terminal assembly of the present invention installed on the housing assembly is illustrated.

[0031] Fig.10 The schematic diagram of the structure of the elastic terminal assembly of the present invention installed on the fixed terminal assembly is illustrated.

[0032] Fig.11 The schematic diagram of the structure of the fixing ears of the present invention in the retracted state is illustrated.

[0033] Fig.12 The structural schematic diagram of the finished radio frequency test socket of the present invention is illustrated.

[0034] Description of the accompanying drawings: housing 1, top panel 10, cylindrical portion 11, fixing ear 12, side panel 120, limit window 120a, bottom panel 121, fixed terminal strip 2, first main strip 20, first material bridge 21, fixed terminal 22, first welding area 220, first solder resist area 221, first contact area 222, elastic terminal strip 3, second main strip 30, second material bridge 31, elastic terminal 32, second welding area 320, second solder resist area 321, second contact area 322, fixed terminal assembly 4, first plastic body 40, connecting portion 41, first A limiting groove 410, an arm 42, a first avoiding inclined surface 420, a second limiting inclined surface 421, an elastic terminal assembly 5, a second plastic body 50, a bottom plate 51, a avoiding groove 510, a first side plate 52, a second avoiding inclined surface 520, a positioning groove 521, a limiting step 522, a second side plate 53, a second limiting groove 530, a shell assembly 6, a third plastic body 60, an insertion tube 61, a first positioning platform 62, a first limiting portion 620, a first limiting inclined surface 621, a second positioning platform 63, a positioning boss 630, a second limiting portion 631, and a finished RF test socket 7. DETAILED DESCRIPTION

[0035] To make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments.

[0036] Based on the described embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present disclosure.

[0037] refer to Figure 1-12 .

[0038] The present invention provides a radio frequency test socket manufacturing process, comprising the following steps:

[0039] S1: preparing materials for the housing 1, the housing 1 comprising a top panel 10, a cylindrical portion 11 connected to the top of the top panel 10, and fixing ears 12 respectively connected to both sides of the top panel 10;

[0040] S2: Stamping of a fixed terminal strip 2 and an elastic terminal strip 3, wherein the fixed terminal strip 2 and the elastic terminal strip 3 are respectively stamped on a steel strip, wherein the fixed terminal strip 2 comprises a first main strip 20, a plurality of first material bridges 21 connected to the first main strip 20, and a fixed terminal 22 connected to the first material bridge 21, wherein the fixed terminal 22 comprises a first welding area 220, a first solder resist area 221 connected to the first welding area 220, and a first contact area 222 connected to the first solder resist area 221, wherein the elastic terminal strip 3 comprises a second main strip 30, a plurality of second material bridges 31 connected to the second main strip 30, and an elastic terminal 32 connected to the second material bridge 31, wherein the elastic terminal 32 comprises a second welding area 320, a second solder resist area 321 connected to the second welding area 320, and a second contact area 322 connected to the second solder resist area 321;

[0041] S3: Injection molding of the fixed terminal 22, the elastic terminal 32, and the housing 1, respectively performing injection molding on the fixed terminal 22, the elastic terminal 32, and the housing 1 to form a fixed terminal assembly 4, an elastic terminal assembly 5, and a housing assembly 6, wherein the fixed terminal assembly 4 comprises a first plastic body 40, a first material bridge 21, and a fixed terminal 22, wherein the first plastic body 40 is integrally formed on the first solder resist area 221 and covers the first solder resist area 221, the elastic terminal assembly 5 comprises a second plastic body 50, a second material bridge 31, and an elastic terminal 32, wherein the second plastic body 50 is integrally formed on the second solder resist area 321 and covers the second solder resist area 321, and the housing assembly 6 comprises the housing 1 and a third plastic body 60 integrally formed on the housing 1;

[0042] S4: gold plating the fixed terminal strip 2 and the elastic terminal strip 3, and gold plating the fixed terminal assembly 4 and the elastic terminal assembly 5 to form a gold-plated layer on the first material bridge 21, the fixed terminal 22, the second material bridge 31, and the elastic terminal 32;

[0043] S5: separating the first main material strip 20 and the second main material strip 30, peeling off the first material bridge 21 together with the fixed terminal 22 from the first main material strip 20, and peeling off the second material bridge 31 together with the elastic terminal 32 from the second main material strip 30;

[0044] S6: installing the fixed terminal assembly 4, installing the fixed terminal assembly 4 onto the housing assembly 6;

[0045] S7: installing the elastic terminal assembly 5, installing the elastic terminal assembly 5 onto the fixed terminal assembly 4;

[0046] S8: closing the housing assembly 6, retracting and shaping the two fixing ears 12 of the housing 1 to fix the second plastic body 50 on the housing 1;

[0047] S9: peeling off the first material bridge 21 and the second material bridge 31, separating the first material bridge 21 and the second material bridge 31 from the fixed terminal 22 and the elastic terminal 32 respectively, to manufacture a radio frequency test socket finished product 7;

[0048] S10: Appearance and performance inspection: perform appearance and performance inspection on the finished RF test socket 7;

[0049] S11: receiving and packaging finished products, packaging the RF test socket finished product 7.

[0050] By updating the production process, the fixed terminal 22, the elastic terminal 32, and the shell 1 are respectively injection molded to form a fixed terminal assembly 4, an elastic terminal assembly 5, and a shell assembly 6. The first plastic body 40 can cover the first solder resist area 221, and the second plastic body 50 can cover the second solder resist area 321. Then, the fixed terminal assembly 4 and the elastic terminal assembly 5 are gold-plated to form a gold-plated layer on the first material bridge 21, the fixed terminal 22, the second material bridge 31, and the elastic terminal 32 to prevent the gold plating from penetrating into the gap between the solder resist area and the plastic body, and then the fixed terminal assembly 4, the elastic terminal assembly 5, and the shell assembly 6 are assembled into a radio frequency test socket finished product 7. When welding the product, it can effectively prevent solder paste or flux from creeping into the interior of the product, avoid affecting the arm elastic force of the terminal, ensure stability and reliability during testing, and have the advantages of simple process, good operability, and easy assembly, which can improve production efficiency, have good product assembly consistency, and can achieve product miniaturization.

[0051] Based on the above embodiment, the third plastic body 60 includes an insertion tube 61 integrally formed on the inner side of the cylindrical portion 11, a first positioning platform 62 and a second positioning platform 63 respectively connected to both sides of the bottom of the insertion tube 61, the first plastic body 40 includes a connecting portion 41, and an arm portion 42 respectively connected to both ends of the connecting portion 41, a first limiting groove 410 is provided on the top of the connecting portion 41, a first limiting portion 620 matching the first limiting groove 410 is provided on the bottom of the first positioning platform 62, the first limiting portion 620 is embedded in the first limiting groove 410, a first avoiding inclined surface 420 is provided on the inner side of the arm portion 42, and first limiting inclined surfaces 621 matching the first avoiding inclined surface 420 are provided on both sides of the first positioning platform 62, and the first avoiding inclined surface 420 is attached to the first limiting inclined surface 621; the second plastic body 5 0 includes a bottom plate 51, a first side plate 52 connected to two opposite sides of the top of the bottom plate 51, and a second side plate 53 connected between the two first side plates 52, the inner side surface of the first side plate 52 is provided with a second avoidance inclined surface 520, the outer side of the arm portion 42 is provided with a second limiting inclined surface 421, the second avoidance inclined surface 520 is affixed to the second limiting inclined surface 421, both sides of the second positioning platform 63 are provided with positioning bosses 630, the top of the first side plate 52 is provided with a positioning groove 521 matching the positioning boss 630, the positioning boss 630 is embedded in the positioning groove 521, one side of the second positioning platform 63 is connected with a second limiting portion 631, the top of the second side plate 53 is provided with a second limiting groove 530 matching the second limiting portion 631, and the second limiting portion 631 is embedded in the second limiting groove 530. Specifically, when assembling the fixed terminal assembly 4, the first limiting groove 410 is engaged on the first limiting portion 620, and the first avoiding inclined surface 420 will be attached to the first limiting inclined surface 621, which can play a limiting role on the fixed terminal assembly 4; when assembling the elastic terminal assembly 5, the second limiting groove 530 is engaged on the second limiting portion 631, the positioning boss 630 will be embedded in the positioning groove 521, and the second avoiding inclined surface 520 will be attached to the second limiting inclined surface 421, which can play a limiting role on the elastic terminal assembly 5, and can improve the assembly stability of the fixed terminal assembly 4 and the elastic terminal assembly 5.

[0052] Based on the above embodiment, the fixing ear 12 includes a side panel 120 connected to the top panel 10, a bottom panel 21 connected to the side panel 120, a limiting step 522 is arranged on the outer side of the first side panel 52, a limiting window 120a matching the limiting step 522 is provided on the side panel 120, the limiting step 522 is arranged on the limiting window 120a, and a avoiding groove 510 matching the bottom panel 121 is arranged at the bottom of the bottom panel 51, and the bottom panel 121 is arranged on the avoiding groove 510. When the housing 1 is folded, the side panel 120 is first bent inwardly to allow the limiting window 120a to fit on the limiting step 522, and then the bottom panel 21 is bent inwardly to allow the bottom panel 21 to be embedded in the avoiding groove 510, which can reduce the product volume and improve the assembly stability.

[0053] Based on the above embodiment, in step S4, the fixed terminal assembly 4 and the elastic terminal assembly 5 can be gold-plated by brush gold plating, immersion gold plating, or spot gold plating.

[0054] Based on the above embodiment, in step S2, V-grooves are stamped at the connection between the first main material strip 20 and the first material bridge 21, the connection between the first material bridge 21 and the fixed terminal 22, the connection between the second main material strip 30 and the second material bridge 31, and the connection between the second material bridge 31 and the elastic terminal 32, so as to facilitate the separation of the first material bridge 21, the second material bridge 31 from the first main material strip 20, the second main material strip 30, and to facilitate the peeling of the first material bridge 21, the second material bridge 31 from the fixed terminal 22, the elastic terminal 32.

[0055] The above implementation modes are merely descriptions of the preferred implementation modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary engineering and technical personnel in the field shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A radio frequency test socket manufacturing process, characterized in that: The following steps are included: S1: preparing materials for a shell, wherein the shell comprises a top panel, a cylindrical portion connected to the top of the top panel, and fixing ears respectively connected to both sides of the top panel; S2: Stamping of fixed terminal material strips and elastic terminal material strips, wherein the fixed terminal material strips and the elastic terminal material strips are respectively stamped on a steel strip to form the fixed terminal material strips and the elastic terminal material strips, wherein the fixed terminal material strips include a first main material strip, a plurality of first material bridges connected to the first main material strip, and a fixed terminal connected to the first material bridge, wherein the fixed terminal includes a first welding area, a first solder resist area connected to the first welding area, and a first contact area connected to the first solder resist area, wherein the elastic terminal material strips include a second main material strip, a plurality of second material bridges connected to the second main material strip, and an elastic terminal connected to the second material bridge, wherein the elastic terminal includes a second welding area, a second solder resist area connected to the second welding area, and a second contact area connected to the second solder resist area; S3: Injection molding of fixed terminals, elastic terminals, and a shell, wherein the fixed terminals, elastic terminals, and a shell are respectively injection molded to form a fixed terminal assembly, an elastic terminal assembly, and a shell assembly, wherein the fixed terminal assembly comprises a first plastic body, the first material bridge, and the fixed terminal, wherein the first plastic body is integrally molded on the first solder resist area and covers the first solder resist area, wherein the elastic terminal assembly comprises a second plastic body, the second material bridge, and the elastic terminal, wherein the second plastic body is integrally molded on the second solder resist area and covers the second solder resist area, and wherein the shell assembly comprises the shell and a third plastic body integrally molded on the shell; S4: gold plating the fixed terminal strip and the elastic terminal strip, gold plating the fixed terminal assembly and the elastic terminal assembly to form a gold-plated layer on the first material bridge, the fixed terminal, the second material bridge, and the elastic terminal; S5: separating the first main material strip and the second main material strip, peeling the first material bridge together with the fixed terminal from the first main material strip, and peeling the second material bridge together with the elastic terminal from the second main material strip; S6: installing a fixed terminal assembly, installing the fixed terminal assembly onto the housing assembly; S7: installing the elastic terminal assembly, installing the elastic terminal assembly onto the fixed terminal assembly; S8: closing the outer shell assembly, retracting and shaping the two fixing ears of the outer shell to fix the second plastic body on the outer shell; S9: peeling off the first material bridge and the second material bridge, separating the first material bridge and the second material bridge from the fixed terminal and the elastic terminal respectively, to manufacture a finished RF test socket; S10: Appearance and performance inspection: inspect the appearance and performance of the finished RF test socket; S11: receiving and packaging finished products, packaging the finished RF test socket products.

2. The preparation process of a radio frequency test socket manufacturing process according to claim 1, characterized in that: The third plastic body comprises an insertion tube integrally formed inside the cylindrical portion, a first positioning platform and a second positioning platform respectively connected to both sides of the bottom of the insertion tube, the first plastic body comprises a connecting portion, and arm portions respectively connected to both ends of the connecting portion, a first limiting groove is arranged on the top of the connecting portion, a first limiting portion matching the first limiting groove is arranged on the bottom of the first positioning platform, the first limiting portion is embedded in the first limiting groove, a first avoiding inclined surface is arranged on the inner side of the arm portion, first limiting inclined surfaces matching the first avoiding inclined surfaces are arranged on both sides of the first positioning platform, and the first avoiding inclined surface is attached to the first limiting inclined surface; the second plastic body comprises The cam is an assembly of a plurality of first and second cams, each of which is adapted to engage a plurality of first and second cams, each of which is adapted to engage a plurality of first and second cams, each of which is adapted to engage a plurality of first and second cams.

3. The preparation process of a radio frequency test socket manufacturing process according to claim 2, characterized in that: The fixing ear includes a side panel connected to the top panel and a bottom panel connected to the side panel. A limiting step is provided on the outer side of the first side panel. A limiting window matching the limiting step is provided on the side panel. The limiting step is provided on the limiting window. A avoiding groove matching the bottom panel is provided on the bottom of the bottom panel. The bottom panel is provided on the avoiding groove.

4. The preparation process of a radio frequency test socket manufacturing process according to claim 1, characterized in that: In step S4, the fixed terminal assembly and the elastic terminal assembly can be gold-plated by brush gold plating, immersion gold plating, or spot gold plating.

5. The preparation process of a radio frequency test socket manufacturing process according to claim 1, characterized in that: In step S2, V-shaped grooves are punched at the connection between the first main material strip and the first material bridge, the connection between the first material bridge and the fixed terminal, the connection between the second main material strip and the second material bridge, and the connection between the second material bridge and the elastic terminal.

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