JP2011086487A - Method of manufacturing electrode pin - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electrode pin with safety at low cost, since manufacturing an electrode pin takes time and effort, that is, a brass rod is processed to be a column-like round bar by a cutting or header process to mount a plate-like Ag contact at a tip with wax or spot welding, and cost of copper metal is hiked due to hike of noble metal. <P>SOLUTION: The method of manufacturing an electrode pin includes a step of a punching-out process for a plate-like main part 2 as an electrode pin 1, a connection 3 fitted in extension of the body 2, a tip lid 4 fitted in extension of the connection 3, a circular hole 5 fitted in boring to the tip lid 4, a shift prevention recess etched and fitted at the body 2 and a protrusion set in protrusion at the tip lid 4 for insertion-coupling the shift prevention recess, a step of caulking an Ag contact at the circular hole 5 of the tip lid 4, a step of bending the connection 3, and a step of curving the body 2 and making the protrusion insertion-coupled into the shift prevention recess. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a method for manufacturing an electrode pin of a connector, and more specifically, has a relatively large diameter used for a magnetic connector such as a home desktop IH cooker or a jar, and the tip is brought into contact. It is related with the manufacturing method of the electrode pin made into an energized state by this.

  Conventionally, the electrode pin of this type of connector is a brass bar made into a cylindrical round bar by cutting or header processing, and a flat Ag contact is attached to the tip by brazing or spot welding.

For example, the connector pin 1 is formed of a conductive material, and a casing 2 that is a hollow cylindrical fixed-side electrode that is open at one end, and an axial slide in the casing 2. A plunger 3 which is a movable electrode inserted movably, a biasing spring 4 which is installed in the casing 2 and presses the plunger 3 to the open end side of the casing 2, and is also installed in the casing 2 and attached to the plunger 3. Some have an internal contactor 5 that is always in contact with the projecting movable contact portion 34. Japanese Utility Model Laid-Open No. 3-78260 (FIG. 1) Further, a magnet fixed to a rotating shaft is provided in a case, and a circuit board provided with a magnetic sensor is disposed in the proximity of the magnet and the magnetic sensor. In the rotation detection device that outputs an electrical signal from a circuit board, a connector case is provided on the circuit board side of the case, and a flexible conductive member is electrically connected to a connector pin of the connector case, and the conductive member is A device that is electrically connected to a circuit pattern of a circuit board is disclosed.

  However, the electrode pins disclosed in these are, for example, the plunger (movable electrode) 3 illustrated in FIG. 1 of Patent Document 1 or the connector terminal 8 illustrated in FIG. The brass rod is made into a cylindrical round rod by cutting or header processing, and a flat Ag contact is attached to the tip by brazing or spot welding, and it takes time and effort to manufacture, As is well known, the price of copper metal has risen due to the soaring precious metal, and there is a need for an inexpensive and stable electrode pin, which has a problem.

  In view of the above problems, the present invention solves these problems as a result of diligent research, and the manufacturing method of the electrode pins of the connector according to claim 1 is the same as the longitudinal direction and circumference of the electrode pins. A flat plate-like main body portion having a width direction of the length, a connection portion extending to the center of one side in the width direction of the main body portion, a disc-shaped tip lid portion extending to the tip of the connection portion, and a tip lid A pair of circular holes drilled in the center of the body, a pair of misalignment recesses formed on the shoulders of the both ends of the main body unit, and a pair of protrusions projecting on the outer periphery of the tip lid part fitted in the pair of misalignment recesses A step of integrally punching a protrusion from a brass flat plate, and a caulking base of a substantially disk-shaped Ag contact with a caulking base protruding from the back surface of the circular hole of the tip lid, and being caulked Bending the connecting portion at a right angle, and bending the main body into a cylindrical shape Both those containing a step of fitting the pair of projections on the pair of displacement preventing recess, and.

  Furthermore, the manufacturing method of the electrode pin of the connector according to claim 2 is a circle having a radius having a predetermined length obtained by adding the radius of the electrode pin so as to be the length of the electrode pin and subtracting the extension of the material being processed. A step of punching a plate-shaped main body from a flat plate of brass, a step of deep-drawing a disk-shaped main body, and a hole for caulking Ag contacts on the top surface of the deep-drawn main body And a step of inserting a caulking base projecting on the back surface of the substantially disk-shaped Ag contact into the drilled hole and stopping the caulking.

  Furthermore, the electrode pin manufacturing method of the connector according to claim 3 is the electrode pin manufacturing method according to claim 1 or 2, wherein the cord has an arbitrary length in the axial direction of the base end of the electrode pin. This includes a step of reducing the diameter of the connecting portion and drawing into a substantially hexagonal cylindrical shape or a substantially octagonal cylindrical shape.

  In the method of manufacturing the electrode pin of the present invention configured as described above, a plate-like brass is integrally punched into a main body portion, a connection portion, and a tip lid portion, and an Ag contact is formed in a circular hole formed in the tip lid portion. Insert the caulking base and secure it with caulking, bend the connecting part at a right angle, bend the main body into a cylindrical shape, and insert a pair of slip prevention recesses in the shoulders on both ends of the main body. By inserting a pair of protrusions projecting on the outer periphery of the part, or by adding the radius of the electrode pin so as to be the length of the electrode pin, the predetermined length obtained by subtracting the extension of the material being processed is defined as the radius. The disc-shaped main body is punched from a brass flat plate, the disc-shaped main body is deep-drawn, and a hole for caulking Ag contacts is drilled on the top surface of the deep-drawn main-body. Then, insert the caulking base projecting from the back of the substantially disk-shaped Ag contact into the drilled hole. By the stop menu, it forms a hollow electrode pins, a significant reduction in material costs and reduce manufacturing steps, but highly innovative, practical that realize a reduction in cost.

FIG. 1 is a development view after punching of an embodiment of an electrode pin manufacturing method of the present invention. FIG. 2 is a perspective view after completion of a state where the Ag contact of the embodiment of the method for manufacturing the electrode pin of the present invention is not stopped. FIG. 3 is a cross-sectional explanatory view after completion of an embodiment of the method for manufacturing an electrode pin of the present invention. FIG. 4 is a cross-sectional explanatory view after the completion of the next embodiment of the method for manufacturing an electrode pin of the present invention. FIG. 5 is a cross-sectional explanatory view of another embodiment of the electrode pin manufacturing method of the present invention after completion. FIG. 6 is a bottom view of the base end side of another embodiment of the electrode pin manufacturing method of the present invention.

  Hereinafter, the form of the Example of the manufacturing method of the electrode pin of this invention is concretely demonstrated with drawing.

  The present invention relates to a method for manufacturing an electrode pin of a connector, and more specifically, has a relatively large diameter used for a magnetic connector such as a home desktop IH cooker or a jar, and the tip is brought into contact. The electrode pin manufacturing method according to claim 1 is a method for manufacturing an electrode pin 1 of a connector, and is a longitudinal length of the electrode pin 1. A flat plate-like main body 2 having a width direction equal to the direction and the circumference, a connection portion 3 extending to the center of one side in the width direction of the main body portion 2, and extending to the tip of the connection portion 3 A disc-shaped tip lid portion 4, a circular hole 5 drilled in the center of the tip lid portion 4, a pair of misalignment-preventing recess portions 6 respectively carved on both shoulder sides of the main body portion 2, On the outer periphery of the tip lid portion 4 to be fitted into the pair of misalignment preventing recesses 6 A step of integrally punching a pair of protrusions 7 to be formed from a brass flat plate, and a substantially disk-shaped Ag contact 8 in which a caulking base 8a protrudes from the back surface of the circular hole 5 of the tip lid portion 4. Inserting the caulking base portion 8a into a caulking stop; bending the connecting portion 3 at a right angle; bending the main body portion 2 into a cylindrical shape; and And a step of inserting the protrusions 7 respectively.

  That is, the electrode pin 1 manufactured by carrying out the method for manufacturing the electrode pin of the present invention is an electrode pin 1 having a relatively large diameter and being brought into an energized state by contacting the tip, and is a desktop IH for home use. It is suitable for the electrode pin 1 such as a magnet connector used for a cooker or a jar.

  First, the manufacturing method of the electrode pin 1 according to the present invention is a method in which a brass plate is integrally punched with a main body portion 2, a connection portion 3, and a distal end lid portion 4 described later by a press or the like.

  In the unfolded state including the body portion 2 after the punching process, as shown in FIG. 1, the plate-shaped one is curved, and the longitudinal direction of the electrode pin 1 after being bent and the length of the electrode pin 1 is completed. It has the same length in the width direction as the circumference, and a connecting portion 3 described later is extended from the upper side.

  Next, the connection part 3 is extended to the center of one side above the width direction of the main body part 2, and a distal end cover part 4 to be described later is extended to the front end. The tip of the electrode pin 1 formed in a cylindrical shape is closed by bending.

  Next, the distal end lid portion 4 is a disc-like one and extends to the distal end of the connection portion 3, and a circular hole 5 is drilled in the center of the disc-like distal end lid portion 4. The circular hole 5 is for inserting and crimping a caulking base 8a of an Ag contact 8 described later.

  Furthermore, the pair of misalignment prevention recesses 6 are respectively carved on both shoulder sides in the vicinity of the outer side of the upper side where the connection part 3 of the main body part 2 is extended. It is to be inserted.

  Furthermore, the pair of projections 7 are respectively provided on the outer circumferences on both sides of the distal end side of the distal end lid part 4, and are fitted into the pair of misalignment prevention recesses 6 as shown in the figure. This prevents the completed electrode pin 1 from spreading.

  Then, the punching step is performed from a brass flat plate, as shown in FIG. 1, the main body portion 2, the connecting portion 3, the tip lid portion 4, the circular hole 5, and a pair of misalignment preventing recesses 6, The pair of protrusions 7 are integrally punched by a press or the like.

  Next, the caulking stop step is to insert the caulking base portion 8a of the Ag contact 8 into the circular hole 5 of the distal end lid portion 4 to stop the caulking. In this, a caulking base 8a is projected.

  Next, the step of bending is to bend the connecting portion 3 extending to the main body 2 at a right angle, that is, when the right end is bent at a right angle, as shown in FIG. It is to become.

  Furthermore, the step of bending the main body 2 into a cylindrical shape and fitting the pair of protrusions 7 into the pair of misalignment-preventing recesses 6 includes bending the connecting portion 3 at a right angle and making the main body 2 cylindrical. By curving, both ends in the longitudinal direction of the cylindrical main body 2 come into contact with each other, and a disc-shaped tip cover is formed on a pair of misalignment-preventing recesses 6 carved in the vicinity of the upper sides of both sides in contact. The pair of protrusions 7 projecting from the outer periphery of the part 4 are respectively fitted.

  Further, it is optional to reinforce the base end side of the main body 2 by bulging the beat portion 2a along the trunk circumference, and the convex shape is formed so as to bulge in the outer peripheral direction in the step of performing the punching process. To form.

  Next, the form of the next embodiment of the manufacturing method of the electrode pin of the present invention will be specifically described with reference to the drawings. FIG. 4 is a cross-sectional explanatory view after the completion of the following embodiment of the electrode pin manufacturing method of the present invention, and the electrode pin manufacturing method according to claim 2 is a method of manufacturing an electrode pin 1 of a connector, A step of punching a disc-shaped main body portion 2 having a radius of a predetermined length obtained by adding a radius of the electrode pin so as to be equal to the length of the electrode pin 1 and subtracting an extension allowance of a material being processed from a brass plate. A step of deep drawing the disc-shaped main body 2, a step of drilling a caulking circular hole 5 of the Ag contact 8 on the top surface of the deeply drawn main body 2, and the drilling. A step of inserting a caulking base portion 8a projecting from the back surface of the substantially disk-shaped Ag contact 8 into the circular hole 5 to stop the caulking. In addition, while attaching | subjecting the same code | symbol to the same site | part as Example 1, detailed description of the same site | part is also abbreviate | omitted.

  That is, the body portion 2 of the electrode pin 1 manufactured in the next embodiment of the electrode pin manufacturing method of the present invention is formed by punching a brass plate into a disk shape.

  Then, the radius of punching into a disk shape is calculated by adding the radius of the electrode pin 1 after manufacture so that the radius of the electrode pin 1 after manufacture is added, and calculating the material allowance in the deep drawing process described later in advance. Thus, the predetermined length is drawn.

  First, in the punching step, a circular plate having a radius calculated as described above is punched from a brass flat plate by a press or the like.

  Next, the step of deep drawing is to deep-draw the punched disc-shaped main body 2, and the cylindrical main body 2 having a top surface is formed by deep drawing. However, when deep drawing is performed, brass, which is a material, extends in the drawing direction, and this extension allowance is calculated in advance so that the radius of the disk is set short.

  Next, the step of drilling the circular hole is to drill the circular hole 5 in the top surface of the deeply drawn main body 2, and the means for drilling is not particularly limited. This is for crimping the Ag contact 8 to be engaged.

  Further, in the caulking stop step, the caulking base 8a protruding from the back surface of the substantially disk-shaped Ag contact 8 is inserted into the circular hole 5, and caulking is stopped from the inner side, as shown in FIG. The electrode pin 1 is manufactured.

  Moreover, the form of the other Example of the manufacturing method of the electrode pin of this invention is demonstrated concretely with drawing. FIG. 5 is a cross-sectional explanatory view after completion of another embodiment of the electrode pin manufacturing method of the present invention, FIG. 6 is a bottom view of the base end side thereof, and the electrode pin manufacturing method according to claim 2 In the method for manufacturing an electrode pin according to claim 1 or 2, the cord connecting portion 1b having an arbitrary length in the axial direction of the base end of the electrode pin 1 is reduced in diameter and is substantially hexagonal or octagonal. It further includes a step of drawing into a cylindrical shape, and the cord connecting portion 1b having a substantially hexagonal cylindrical shape or a substantially octagonal cylindrical shape is used for crimping and connecting the end of the cord for electrical connection with the power source And because of the rectangular tube shape, it can be easily clamped during caulking.

  In the electrode pin manufacturing method of the present invention, a plate-like brass plate is formed by integrally punching the main body, the connecting portion, and the tip lid, and the Ag contact is formed in the circular hole formed in the tip lid. Insert the caulking base into the caulking stop, bend the connecting part at a right angle, bend the main body into a cylindrical shape, and insert a pair of slip prevention recesses on both shoulders of the main body into the tip lid The radius is a predetermined length obtained by inserting a pair of protrusions projecting on the outer periphery of the wire or by adding the radius of the electrode pin so as to be the length of the electrode pin and subtracting the extension of the material being processed. The disk-shaped main body is punched from a brass flat plate, the disk-shaped main body is deep-drawn, and a hole for caulking Ag contacts is drilled on the top surface of the deep-drawn main body. The caulking base projecting from the back surface of the substantially disk-shaped Ag contact is inserted into the drilled hole. By the stop, forms a hollow electrode pins, there is provided a method of manufacturing reality the electrode pins to reduce significantly reduces the manufacturing cost of material cost.

DESCRIPTION OF SYMBOLS 1 Electrode pin 2 Main-body part 2a Beat part 2b Cord connection part 3 Connection part 4 Tip cover part 5 Circular hole 6 Misalignment prevention recessed part 7 Protrusion part 8 Ag contact 8a Caulking base

Claims (3)

  A method of manufacturing an electrode pin of a connector, comprising a plate-like main body portion having a width direction having the same length as a longitudinal direction and a circumference as the length of the electrode pin, and a center of one side in the width direction of the main body portion. A connecting portion to be extended, a disc-shaped tip lid portion extending to the tip of the connection portion, a circular hole to be drilled in the center of the tip lid portion, and a shoulder portion on each end of the main body portion. A step of integrally punching a pair of misalignment prevention recesses to be provided and a pair of projections projecting on the outer periphery of the tip end lid part to be fitted into the pair of misalignment prevention recesses from a flat plate of brass; Inserting the caulking base of a substantially disk-shaped Ag contact having a caulking base projecting from the back surface of the circular hole of the part, fixing the caulking, bending the connection part at a right angle, and the main body And the pair of protrusions in the pair of displacement prevention recesses Electrode pins manufacturing method which comprises a step of people fitting, the.   A method of manufacturing an electrode pin of a connector, wherein a disk-shaped main body having a predetermined length obtained by adding a radius of the electrode pin so as to be the length of the electrode pin and subtracting an extension allowance of a material being processed Punching out a brass plate, deep drawing the disk-shaped main body, and drilling an Ag contact caulking hole on the top surface of the deep drawn main body; And a step of inserting a caulking base projecting from the back surface of the substantially disk-shaped Ag contact into the drilled hole to stop the caulking. 2. The method according to claim 1, further comprising a step of reducing the diameter of a cord connecting portion having an arbitrary length in the axial direction of the base end of the electrode pin and drawing into a substantially hexagonal cylindrical shape or a substantially octagonal cylindrical shape. 2. A method for producing an electrode pin according to 2.

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