CN113488827A

CN113488827A - Machining method for connector mould part

Info

Publication number: CN113488827A
Application number: CN202110778879.2A
Authority: CN
Inventors: 周勇; 陈遥; 刘伟
Original assignee: Guangdong Huaruizhilian Electronic Technology Co ltd
Current assignee: Guangdong Huaruizhilian Electronic Technology Co ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2021-10-08
Anticipated expiration: 2041-07-09
Also published as: CN113488827B

Abstract

The invention discloses a connector mould part processing method, which comprises a part body and an embedded part, wherein the first step is to manufacture one end of the part body into at least one injection mould column for injection moulding to form a placing position, the second step is to manufacture the embedded part into a sheet shape, the third step is to contact the embedded part with the injection mould column, the fourth step is to fix the embedded part and the injection mould column by a welding mode, the fifth step is to remove the redundant part of the embedded part according to design to form a sheet for injection moulding to form a clamping position, the injection mould column and the sheet are combined to form an injection moulding part, the embedded part is innovatively used to form two parts into a whole, the problem of corner cleaning caused by a discharge process is effectively solved, no fillet exists between the placing position and the clamping position during injection moulding, and the yield is improved.

Description

Machining method for connector mould part

Technical Field

The invention belongs to the technical field of molds, and particularly relates to a machining method of a connector mold part.

Background

The connector is also called connector, also called connector and socket in China, and generally refers to an electric appliance connector. The connector assembly comprises a plurality of devices which are connected with two active devices, and transmits current or signals, along with the continuous development of new energy automobiles, more and more integrated electronic components and more transmitted information quantity, so that the number of metal elastic sheets integrated in the connector assembly with the same volume and used for transmitting data is more and more, the connector assembly is shown in the schematic diagram of the current connector assembly in figures 1 and 2, usually, a plurality of small-volume and dense placing positions 11 ' are arranged in the connector assembly 1 ', a clamping position 12 ' is communicated with one side of the placing position 11 ', a transmission part of the metal elastic sheet is arranged in the placing position 11 ', and an elastic fixing part of the metal elastic sheet is arranged in the clamping position 12 ' and is abutted against the side wall of the clamping position 12 '.

At present, the placing position 11 ' and the clamping position 12 ' mentioned above are formed by stacking and injection molding a plurality of mold parts, and the mold parts used for producing the connector are very small in volume and are usually processed by adopting a discharge etching method, however, corner cleaning is generated at the etching position by the discharge etching method, so that a fillet is formed at the connecting part between the placing position 11 ' and the clamping position 12 ' after injection molding, so that the contact area between the elastic fixing part of the metal elastic sheet and the clamping position 12 ' is small, but the fixing effect is greatly reduced, and the metal elastic sheet is easy to drop.

Disclosure of Invention

The invention aims to provide a method for processing a connector mould part, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a method for processing a connector mould part comprises a part body and an embedded part,

firstly, manufacturing one end of a part body into at least one injection molding column for injection molding to form a placement position;

secondly, manufacturing the embedded part into a sheet shape;

thirdly, the embedded part is contacted with the injection mold column;

fourthly, fixing the embedded part and the injection mold column in a welding mode;

and fifthly, removing redundant parts of the embedded parts according to design to form a sheet for injection molding of the clamping position, and combining the injection molding model column and the sheet to form an injection molding part.

Further technical scheme, in the first step, through the cutting mode, make into the injection mold post that is the cuboid with part body one end.

According to a further technical scheme, in the third step, the embedded part is completely attached to the injection mold column, so that an included angle C is formed between the embedded part and the injection mold column.

According to a further technical scheme, in the fourth step, position treading point arrangement is carried out before welding, and the distance between welding points on the same injection mold column is 0.6mm-1.0 mm.

According to the technical scheme, in the third step, an L-shaped limiting groove is formed in the part body through cutting, a clamping portion is arranged at one end of the embedded part, the shape of the clamping portion is matched with that of the limiting groove and is embedded into the limiting groove, and the other end of the embedded part extends towards the injection molding column.

According to the further technical scheme, in the fourth step, after welding is completed, polishing treatment is carried out on the surface of the embedded part.

According to the further technical scheme, when the number of the injection molding model columns is multiple, the injection molding model columns are arranged at intervals, in the fifth step, cutting is carried out at the interval position between the two injection molding model columns, the embedded part is divided into a plurality of sheets used for forming clamping positions, and each injection molding model column and each sheet form an independent injection molding part.

According to a further technical scheme, in the fifth step, the thin sheets protrude out of two sides of the injection molding model column.

The invention has the beneficial effects that:

the invention provides a processing method of connector mould parts, which innovatively uses an embedded part to form two parts into a whole, effectively solves the problem of corner cleaning caused by a discharge process, simplifies the processing procedure, ensures that no fillet exists between a placing position and a clamping position during injection molding, and improves the yield.

Drawings

FIG. 1: the connector of the present invention has a perspective view and a bottom view.

FIG. 2: the enlarged view of part A in FIG. 1 of the present invention.

FIG. 3: the component body and the insert block of the present invention are patterned.

FIG. 4: the invention relates to a structure diagram of a die part.

FIG. 5: cross-sectional view of a die part of the present invention

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention,

referring to fig. 1-5 of the drawings,

a method for processing a connector mould part comprises a part body 1 and an embedded part 2,

firstly, manufacturing one end of a part body 1 into at least one injection molding model column 11 for injection molding to form a placement position according to design by a slow-moving wire cutting machine, wherein when the number of the injection molding model columns 11 is multiple, the injection molding model columns 11 are arranged at intervals, and the injection molding model columns 11 are cuboid;

secondly, manufacturing the embedded part 2 into a sheet shape, wherein the bottom surface of the sheet-shaped embedded part is flush with the surface of the part body 1 after the sheet-shaped embedded part is welded with the injection molding column 11;

the third step, through the limiting groove 12 that forms the L type in part body 1 of slowly walking silk cutting machine, 2 one end of embedding piece is equipped with joint portion 22, joint portion 22 shape suits with limiting groove 12, will be flaky embedding piece 2 and put on injection mold post 11, and with joint portion 22 embedding limiting groove 12 in, the 2 other ends of embedding piece extend to injection mold post 11 direction, the one side that makes embedding piece 2 and injection mold post 11 contact is laminated completely, form certain contained angle C, clear angle is 0 this moment, along with the precision of processing is higher and higher, contained angle C's angle is unlimited and is close to 90.

Fourthly, fixing the embedded part 2 and the injection molding model column 11 by welding, arranging position stepping points before welding, and polishing the surface of the embedded part 2 after welding, wherein the distance between welding points on the same injection molding model column 11 is 0.6-1.0 mm;

and fifthly, removing redundant parts of the embedded part 2 according to design to form sheets 21 for injection molding clamping positions, wherein the sheets 21 protrude out of two sides of the injection molding columns 11, when the number of the injection molding columns 11 is multiple, cutting at an interval position 13 between the two injection molding columns 11, dividing the embedded part 2 into a plurality of sheets 21 for forming the clamping positions, enabling each injection molding column 11 and each sheet 21 to form an independent injection molding part, and enabling the thickness h2 of each sheet 21 to be less than the clamping position thickness h1 after injection molding.

In the process of manufacturing the mould parts, the injection mould column 11 is formed by linear cutting, so that mould parts and deformation of the manufactured and formed injection mould column 11 caused by machining by a grinding machine can be effectively avoided, an electric discharge machining process is not needed in the invention, an embedded part is innovatively used to form a whole, the problem of corner cleaning caused by the electric discharge process is effectively solved, the corner cleaning is 0, the yield is improved,

in addition, the invention also effectively reduces the extra cost for producing the mould parts, such as the cost for manufacturing copper and the loss of mechanical parts caused by the discharging process, and greatly saves the production cost, and the manufacturing method is shown by the mark B in figure 2.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may include only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

Claims

1. A method for processing connector mould parts is characterized in that: comprises a part body (1) and an embedded part (2),

firstly, manufacturing one end of a part body (1) into at least one injection molding column (11) for forming a placement position by injection molding;

secondly, manufacturing the embedded part (2) into a sheet shape;

thirdly, the embedded part (2) is contacted with the injection molding column (11);

fourthly, fixing the embedded part (2) and the injection molding column (11) in a welding mode;

and fifthly, removing the redundant part of the embedded part (2) according to the design to form a sheet (21) for injection molding of the clamping position, wherein the injection molding column (11) and the sheet (21) are combined to form an injection molding part.

2. The method of claim 1, wherein the step of machining the connector mold part comprises: in the first step, through the cutting mode, make part body (1) one end into and be cuboid injection mold post (11).

3. The method of claim 2, wherein the step of machining the connector mold part comprises: in the third step, the embedded part (2) is completely attached to the injection molding column (11) to form an included angle C between the embedded part and the injection molding column.

4. The method of claim 3, wherein the step of machining the connector mold part comprises: in the fourth step, before welding, position treading points are arranged, and the distance between welding points on the same injection molding model column (11) is 0.6mm-1.0 mm.

5. The method of claim 4, wherein the step of machining the connector mold part comprises: in the third step, a limiting groove (12) which is L-shaped is formed in the part body (1) through cutting, a clamping portion (22) is arranged at one end of the embedded part (2), the shape of the clamping portion (22) is matched with that of the limiting groove (12) and is embedded into the limiting groove (12), and the other end of the embedded part (2) extends towards the injection molding column (11).

6. The method of claim 5, wherein the step of machining the connector mold part comprises: and in the fourth step, after welding is finished, polishing treatment is carried out on the surface of the embedded part (2).

7. The method of claim 6, wherein the step of machining the connector mold part comprises: and when the number of the injection molding columns (11) is multiple, the injection molding columns are arranged at intervals, in the fifth step, cutting is carried out at the interval position (13) between the two injection molding columns (11), the embedded part (2) is divided into a plurality of sheets (21) for forming clamping positions, and each injection molding column (11) and each sheet (21) form an independent injection molding part.

8. The method of claim 7, wherein the step of machining the connector mold part comprises: in the fifth step, the thin sheets (21) protrude out of both sides of the injection mold column (11).