Manufacturing method of electric connector shell

Abstract

The invention relates to a manufacturing method of an electric connector shell, which comprises the following steps that: step 1, a plurality of groups of shell blanks are formed on a material belt in a blanking manner, and each group of shell blanks comprises an inner shell blank and an outer shell blank which are connected with each other; 2, machining the inner shell blank into an inner shell and machining the outer shell blank into an outer shell in a bending forming mode; and thirdly, the inner shell is wrapped with the outer shell in a bending forming mode. The inner shell blank and the outer shell blank are formed on the same material belt, and then the electric connector shell is processed, so that the processing procedure can be simplified, processing equipment and tool clamps are reduced, the integration degree is improved, and the cost is reduced.

Description

Technical Field

[0001] The invention relates to a method for manufacturing electronic accessories, and in particular to a method for manufacturing an electric connector housing. Background Art

[0002] An existing electrical connector, whose housing includes an inner housing and an outer housing, is generally produced in the following manner: first, a material strip containing the inner housing and a material strip containing the outer housing are processed separately by a punching process. Then, the material strip containing the inner housing and the material strip containing the outer housing are fixed by a fixture, and the outer housing is covered on the inner housing through a specific process, thereby producing the entire housing. Since the inner housing and the outer housing are respectively arranged on two different material strips, not only is the processing process more complicated, but more processing equipment and fixtures are required, and the production cost is relatively high. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a method for manufacturing an electrical connector housing.

[0004] In order to solve the above technical problems, a manufacturing method of an electrical connector shell of the present invention includes the following steps: Step 1: forming a plurality of groups of shell blanks on a material strip by punching and cutting, each group of the shell blanks including inner shell blanks and outer shell blanks connected to each other; Step 2: processing the inner shell blank into an inner shell and processing the outer shell blank into an outer shell by bending and forming; Step 3: covering the outer shell on the inner shell by bending and forming.

[0005] Preferably, the material strip processed in step one includes edge materials on both sides and a main connecting bridge connecting the edge materials on both sides, and the inner shell blank and the outer shell blank of each group of shell blanks are respectively connected to both sides of the main connecting bridge.

[0006] Preferably, the material strip processed in step one further includes an auxiliary connecting bridge, wherein the auxiliary connecting bridge connects the two edge materials, and the auxiliary connecting bridge separates each group of the shell blanks.

[0007] Preferably, in the material strip processed in step one, the inner shell blank is connected to the main connecting bridge through a first connecting part and a second connecting part and a third connecting part located on both sides of the first connecting part, and the outer shell blank is connected to the main connecting bridge through a fourth connecting part.

[0008] Preferably, after the material strip is processed in step 1, two through holes surrounded by the longitudinal partition bridge and the transverse partition bridge are formed on the main connecting bridge.

[0009] Preferably, after processing the inner shell blank into the inner shell and the outer shell blank into the outer shell in step two, step two also includes the following sub-steps: interrupting the transverse bridge on the main connecting bridge by punching and cutting, so that the first connecting part, the longitudinal bridge and the fourth connecting part form a main connecting part, and the main connecting part connects the inner shell and the outer shell.

[0010] Preferably, the method for manufacturing the electrical connector housing further comprises step four: interrupting the main connecting portion by punching and cutting.

[0011] Preferably, the method for manufacturing the electrical connector housing further comprises step five: fixing the inner housing and the outer housing together by welding.

[0012] Preferably, the method for manufacturing the electrical connector housing further comprises step six: breaking the second connection portion and the third connection portion by punching and cutting, thereby separating the electrical connector housing from the material strip.

[0013] Preferably, after the material strip is processed in step 1, a plurality of positioning holes are formed on the edge material.

[0014] By forming an inner shell blank and an outer shell blank on one material strip and then processing them into an electrical connector housing, the processing steps can be simplified, processing equipment and fixtures can be reduced, integration can be improved, and costs can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the connection between the shell blank and the main connecting bridge, auxiliary connecting bridge, edge material, etc.;

[0016] Figure 2 It is a state diagram when the inner shell blank is processed into the inner shell and the outer shell blank is processed into the outer shell;

[0017] Figure 3 It is a state diagram when the inner shell and the outer shell are connected through the main connection part;

[0018] Figure 4 It is an intermediate state diagram of the outer shell being covered on the inner shell by bending and forming;

[0019] Figure 5 Another intermediate state diagram of the outer shell being covered on the inner shell by bending and forming;

[0020] Figure 6 It is a state diagram of the outer shell covering the inner shell;

[0021] Figure 7 This is a schematic diagram after the main connection part is interrupted by blanking;

[0022] Figure 8is a schematic diagram of an electrical connector housing separated after the second connection part and the third connection part are cut off by blanking;

[0023] Fig. 9 is a schematic diagram of an electrical connector;

[0024] Fig.10 yes Fig. 9 Schematic diagram of the assembly of the inner shell and the outer shell of the electrical connector;

[0025] Fig.11 yes Fig.10 Exploded view of the inner and outer shells;

[0026] Fig.12 yes Fig. 9 A schematic diagram of another perspective of the electrical connector;

[0027] Fig.13 is a schematic diagram of an insulating body. DETAILED DESCRIPTION

[0028] The invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0029] like Figure 1-8 As shown, the manufacturing method of the electrical connector shell of this embodiment includes the following steps: Step 1: forming a plurality of groups of shell blanks on a material strip by punching and cutting, each group of the shell blanks includes an inner shell blank 1 and an outer shell blank 2 connected to each other; Step 2: processing the inner shell blank 1 into an inner shell 100 and processing the outer shell blank 2 into an outer shell 200 by bending and forming; Step 3: covering the outer shell 200 on the inner shell 100 by bending and forming.

[0030] Preferably, in this embodiment, the material strip processed in step 1 includes side materials 3 located on both sides and a main connecting bridge 6 connecting the side materials on both sides, and the inner shell blank 1 and the outer shell blank 2 of each group of shell blanks are respectively connected to the two sides of the main connecting bridge 6. By providing the main connecting bridge 6, it is convenient to fix the inner shell blank 1 and the outer shell blank 2, and the overall strength of the material strip can also be improved, so as to facilitate processing.

[0031] Preferably, in this embodiment, the material strip processed in step 1 further includes an auxiliary bridge 5, wherein the auxiliary bridge 5 connects the two edge materials 3 and separates each group of shell blanks. By providing the auxiliary bridge 5, the strength of the entire material strip can be improved, thereby facilitating processing.

[0032] Preferably, in this embodiment, after the material strip is processed in step one, the inner shell blank 1 is connected to the main connecting bridge 6 through the first connecting part 12 and the second connecting part 11 and the third connecting part 13 located on both sides of the first connecting part 12, and the outer shell blank 2 is connected to the main connecting bridge 6 through the fourth connecting part 21.

[0033] Preferably, in this embodiment, after the material strip is processed in step 1, two through holes 61 are formed on the main bridge 6, which are surrounded by a longitudinal bridge 62 and a transverse bridge 63. By punching out two through holes 61 in step 1, the punching force of the subsequent punching process can be reduced, thereby facilitating the subsequent processing steps.

[0034] Preferably, in this embodiment, after the inner shell blank 1 is processed into the inner shell 100 and the outer shell blank 2 is processed into the outer shell 200 in step two, step two also includes the following sub-steps: the transverse bridge 63 on the main connecting bridge 6 is interrupted by punching and cutting, so that the first connecting part 12, the longitudinal bridge 62 and the fourth connecting part 21 form a main connecting part 9, and the main connecting part 9 connects the inner shell 100 and the outer shell 200.

[0035] Preferably, in this embodiment, the manufacturing method of the electrical connector housing further comprises step four: interrupting the main connecting portion 9 by blanking.

[0036] Preferably, the method for manufacturing the electrical connector housing further comprises step five: fixing the inner housing 100 and the outer housing 200 together by welding.

[0037] Preferably, the method for manufacturing the electrical connector housing further comprises step six: breaking the second connection portion 11 and the third connection portion 13 by punching and cutting, thereby separating the electrical connector housing from the material strip.

[0038] Preferably, after the material strip is processed in step 1, a plurality of positioning holes 31 are formed on the edge material. The positioning holes 31 are provided to facilitate the positioning of the material strip.

[0039] By forming an inner shell blank and an outer shell blank on one material strip and then processing them into an electrical connector housing, the processing steps can be simplified, processing equipment and fixtures can be reduced, integration can be improved, and costs can be reduced.

[0040] like Figure 9-12An electrical connector includes an inner shell 1000, an outer shell 2000, a terminal 3000 and an insulating body 5000. The insulating body 5000 is provided with a positioning groove 5001, a positioning groove 5009 and a positioning column 5008. The insulating body 5000 is provided with a snap-in notch 5002, and the inner shell 1000 is provided with a snap-in elastic arm 1002 that matches the snap-in notch 5002. The outer shell 2000 is provided with a plurality of snap-in elastic arms 2001 on the side, and the inner shell 1000 is provided with a snap-in notch 1001 that matches the snap-in elastic arm 2001. The inner shell 1000 is provided with a snap-in elastic arm 1008, and the outer shell 2000 is provided with a snap-in notch 2008 that matches the snap-in elastic arm 1008. The outer shell 2000 is provided with a snap-in elastic arm 2002, and the inner shell 1000 is provided with a snap-in notch 1003 that matches the snap-in elastic arm 2002.

[0041] The above is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. That is, all equivalent changes and modifications made according to the present invention are covered by the scope of the claims of the present invention and will not be listed one by one here.

Claims

1. A method for manufacturing an electrical connector housing, comprising the following steps: Step 1: forming a plurality of groups of shell blanks on the material strip by blanking, wherein each group of shell blanks comprises an inner shell blank and an outer shell blank connected to each other; Step 2: Processing the inner shell blank into an inner shell and the outer shell blank into an outer shell by bending and forming; Step three: wrap the outer shell on the inner shell by bending and forming.

2. The method for manufacturing an electrical connector housing according to claim 1, characterized in that: The material strip processed in step 1 includes edge materials on both sides and a main connecting bridge connecting the edge materials on both sides, and the inner shell blank and the outer shell blank of each group of shell blanks are respectively connected to the two sides of the main connecting bridge.

3. The method for manufacturing an electrical connector housing according to claim 2, characterized in that: The material strip processed in step 1 further includes an auxiliary connecting bridge, wherein the auxiliary connecting bridge connects the two edge materials and separates each group of the shell blanks.

4. The method for manufacturing an electrical connector housing according to claim 2, characterized in that: After the material strip is processed in step one, the inner shell blank is connected to the main connecting bridge through the first connecting part and the second connecting part and the third connecting part located on both sides of the first connecting part, and the outer shell blank is connected to the main connecting bridge through the fourth connecting part.

5. The method for manufacturing an electrical connector housing according to claim 4, characterized in that: After the material strip is processed in step 1, two through holes surrounded by the longitudinal partition bridge and the transverse partition bridge are formed on the main connecting bridge.

6. The method for manufacturing an electrical connector housing according to claim 5, characterized in that: After the inner shell blank is processed into the inner shell and the outer shell blank is processed into the outer shell in step two, step two also includes the following sub-steps: the transverse bridge on the main connecting bridge is interrupted by punching and cutting, so that the first connecting part, the longitudinal bridge and the fourth connecting part form a main connecting part, and the main connecting part connects the inner shell and the outer shell.

7. The method for manufacturing an electrical connector housing according to claim 6, characterized in that: The manufacturing method of the electrical connector housing further includes step four: interrupting the main connecting portion by punching and cutting.

8. The method for manufacturing an electrical connector housing according to claim 7, characterized in that: The method for manufacturing the electrical connector housing further comprises step five: fixing the inner housing and the outer housing in fixed connection by welding.

9. The method for manufacturing an electrical connector housing according to claim 7 or 8, characterized in that: The manufacturing method of the electrical connector housing further includes step six: breaking the second connection portion and the third connection portion by punching and cutting, thereby separating the electrical connector housing from the material strip.

10. The method for manufacturing an electrical connector housing according to claim 2, characterized in that: After the material strip is processed in step 1, a plurality of positioning holes are formed on the edge material.

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