阅读说明：本技术 贵金属通电法兰的制作方法 (Method for manufacturing noble metal energizing flange ) 是由 孙阳 石映奔 皮江 张胜明 陈彧颋 于 2021-07-30 设计创作，主要内容包括：本发明属于贵金属制品加工领域,具体公开了一种无需更换不同的模具即可生产不同规格尺寸的通电法兰的制作方法。该制作方法通过设计制作特定结构的标准底模和标准顶模,生产过程中将法兰坯放置到标准底模的顶面上,再将法兰坯的内、外缘翻边使其扣在标准底模的顶面上,之后将与波纹成型环槽相对应的法兰坯部位压入波纹成型环槽中使之成形为环形波纹结构,最后根据需要制作的通电法兰的尺寸,在加工出环形波纹结构的法兰坯上划线并切除掉多余的材料即可制成所需尺寸的通电法兰；整个制作过程操作简便,制作多个不同规格的通电法兰时,无需更换不同的模具,只需划不同的切除线即可,利于降低生产成本,提高生产效率。(The invention belongs to the field of noble metal product processing, and particularly discloses a manufacturing method for producing electrified flanges with different specifications and sizes without replacing different molds. The manufacturing method comprises the steps of designing and manufacturing a standard bottom die and a standard top die with specific structures, placing a flange blank on the top surface of the standard bottom die in the production process, flanging the inner edge and the outer edge of the flange blank to enable the flange blank to be buckled on the top surface of the standard bottom die, pressing the flange blank part corresponding to a ripple forming ring groove into the ripple forming ring groove to enable the flange blank part to be formed into an annular ripple structure, and finally marking on the flange blank with the annular ripple structure according to the size of an electrified flange to be manufactured and cutting off redundant materials to manufacture the electrified flange with the required size; the whole manufacturing process is easy and convenient to operate, different dies do not need to be replaced when a plurality of electrified flanges with different specifications are manufactured, only different cutting lines need to be drawn, the production cost is reduced, and the production efficiency is improved.)

1. The manufacturing method of the noble metal energizing flange is characterized by comprising the following steps:

designing and manufacturing a standard bottom die (20) according to an electrified flange (30) to be manufactured, and designing and manufacturing a standard top die according to the standard bottom die (20); the outer diameter of the largest energizing flange (30) in the energizing flanges (30) to be manufactured is D_{Outer cover}The inner diameter of the smallest energizing flange (30) among the energizing flanges (30) to be manufactured is D_{Inner part}(ii) a The standard bottom die (20) comprises a bottom die main body (21), wherein the bottom die main body (21) is circular and has a diameter of The top of the bottom die main body (21) is provided with a circular groove (22) coaxial with the bottom die main body, and the diameter of the circular groove (22) is A corrugated forming ring groove (23) coaxial with the bottom die main body (21) is arranged on the top surface of the bottom die main body, and a connecting structure is arranged at the central position of the bottom of the circular groove (22); the diameter of the standard top die is smaller than that of the bottom die main body (21) and larger than that of the circular groove (22);

secondly, mounting a standard bottom die (20) on a rotary working part of the processing equipment through a connecting structure, and mounting a standard top die on a lifting working part of the processing equipment, wherein the standard top die is positioned on the upper side of the standard bottom die (20) and is coaxial with the standard bottom die (20); then placing the processed flange blank (10) on the top surface of a standard bottom die (20), keeping the flange blank (10) and the standard bottom die (20) coaxial, wherein the flange blank (10) is in a circular ring shape, the outer diameter of the flange blank is larger than the diameter of a bottom die main body (21), and the inner diameter of the flange blank is smaller than the diameter of a circular groove (22); driving the standard top die to move towards the standard bottom die (20) through a lifting working part of the processing equipment, and tightly pushing the flange blank (10) on the top surface of the standard bottom die (20);

starting the processing equipment, driving the standard bottom die (20) and the flange blank (10) thereon to rotate at a speed of 90-110 revolutions per minute by rotating the working part, and turning down the outer edge part of the flange blank (10) exceeding the bottom die main body (21) by using a spinning rod and enabling the flange blank to be attached to the outer wall surface of the standard bottom die (20); then suspending the processing equipment, moving away the standard top die after the standard bottom die (20) stops rotating, starting the processing equipment to drive the standard bottom die (20) and the flange blank (10) thereon to rotate at a speed of 90-110 revolutions per minute by rotating the working part, and then turning down the inner edge part of the flange blank (10) on the upper side of the circular groove (22) by using a spinning rod and enabling the flange blank to be attached to the inner wall surface of the circular groove (22);

step four, enabling the flange blank (10) to continuously rotate at a speed of 90-110 revolutions per minute, then using a spinning rod to press down at a position, corresponding to the corrugated forming ring groove (23), on the upper side of the flange blank (10), so that the part, corresponding to the corrugated forming ring groove (23), of the flange blank (10) is extruded into the corrugated forming ring groove (23) to form an annular corrugated structure (31), and then stopping the machining equipment;

and fifthly, according to the size of the outer diameter and the inner diameter of the electrified flange (30) to be manufactured at this time, scribing on the flange blank (10) processed with the annular corrugated structure (31), and cutting off redundant materials on the flange blank (10) according to the scribing to manufacture the electrified flange (30).

2. The method of claim 1, wherein the noble metal energizing flange comprises: the thickness of the bottom die main body (21) is 25-35 mm, and the depth of the circular groove (22) is 8-10 mm.

3. The method of claim 1, wherein the noble metal energizing flange comprises: the side wall surface of the ripple forming ring groove (23) is in arc transition connection with the top surface of the bottom die main body (21).

4. The method of claim 1, wherein the noble metal energizing flange comprises: the connecting structure is a threaded hole (24).

5. The method of claim 1, wherein the noble metal energizing flange comprises: the standard top mold is made of nylon material.

6. The method of claim 1, wherein the noble metal energizing flange comprises: the processing equipment is a rotary lathe, a lathe or a processing center.

7. The method of claim 1, wherein the noble metal energizing flange comprises: the turning angles of the flange blank (10) in the flanging process of the inner edge and the outer edge are both 90 degrees.

8. The method for manufacturing a noble metal energizing flange according to any one of claims 1 to 7, wherein the flange blank (10) in the second step is processed in a manner that: firstly, cutting a platinum or platinum-rhodium alloy plate to obtain a flange blank (10) with a required shape and size; then placing the obtained flange blank (10) into an annealing furnace, and annealing for 30 minutes under the working condition that the annealing temperature is 1200 ℃; then taking out the flange blank (10), placing the flange blank on a fireproof platform for natural cooling, and wiping the surface of the flange blank (10) by using industrial alcohol with the purity of more than 98% after cooling to room temperature; and finally, placing the flange blank (10) on leveling equipment for leveling to ensure that the flatness of the flange blank (10) reaches +/-0.1 mm.

9. The method of making a noble metal energizing flange according to claim 8, wherein: the spinning stick includes excellent main part, and the diameter of excellent main part is 25 ~ 30mm, and the one end of excellent main part is provided with conical spinning section, and the tip of spinning section is the fillet structure.

10. The method of making a noble metal energizing flange according to claim 9, wherein: the spinning rod is made of nylon materials, and the fire-resistant platform is made of corundum materials.

Technical Field

The invention belongs to the field of noble metal product processing, and particularly relates to a method for manufacturing a noble metal energizing flange.

Background

In the process of smelting liquid crystal substrate glass or optical glass, in order to ensure that the smelting temperature can achieve the purpose of effectively smelting the glass, direct electrical heating or radiation heating is generally adopted, an electrical flange is connected with a smelting channel in a direct electrical heating mode, the electrical flange is generally made of a platinum or platinum-rhodium alloy plate, and the outer side of the electrical flange is welded with a copper pipe, a nickel pipe, a copper plate or a nickel plate. In the temperature rise process, the heated deformation of the electrified flange after being electrified is often larger, so that an annular corrugated structure needs to be arranged on the electrified flange, the strength of the electrode is increased, and the deformation of the electrified flange in the temperature rise process is avoided or reduced.

The traditional method for manufacturing the electrified flange is stamping, namely, a special stamping die comprising a male die and a female die is designed, the male die and the female die are respectively arranged on a stamping machine, and the dies are adjusted for multiple times to ensure that the male die and the female die which are arranged up and down are concentric; then, the noble metal flange blank after laser cutting is placed on a female die, and then a punch press is started to enable the male die to move downwards, and an annular corrugated structure is punched on the noble metal flange ring. The mould is required to spend a long time for assembling and disassembling the electrified flange every time, corresponding concave and convex moulds are required to be designed to punch when the electrified flanges with different specifications and sizes are manufactured, more stamping moulds are required to be designed and manufactured, the production cost is higher, the assembling and disassembling frequency of the mould is high, and the manufacturing efficiency is lower.

Disclosure of Invention

The invention aims to provide a manufacturing method for producing electrified flanges with different specifications and sizes without replacing different dies.

The technical scheme adopted by the invention for solving the technical problems is as follows: the manufacturing method of the noble metal energizing flange comprises the following steps:

step one, designing and manufacturing a standard bottom die according to a power-on flange to be manufactured, and designing and manufacturing a standard top die according to the standard bottom die; the outer diameter of the largest electrified flange in the electrified flanges required to be manufactured is D_{Outer cover}The inner diameter of the energizing flange with the smallest size in the energizing flanges required to be manufactured is D_{Inner part}(ii) a The standard bottom die comprises a bottom die main body which is circular and has a diameter of The top of the bottom die main body is provided with a circular groove coaxial with the bottom die main body, and the diameter of the circular groove isThe top surface of the bottom die main body is provided with a corrugated forming ring groove coaxial with the bottom die main body, and the center of the bottom of the circular groove is provided with a connecting structure; the diameter of the standard top die is smaller than that of the bottom die main body and larger than that of the circular groove;

secondly, mounting a standard bottom die on a rotary working part of the processing equipment through a connecting structure, and mounting a standard top die on a lifting working part of the processing equipment, wherein the standard top die is positioned on the upper side of the standard bottom die and is coaxial with the standard bottom die; placing the processed flange blank on the top surface of the standard bottom die, and keeping the flange blank and the standard bottom die coaxial, wherein the outer diameter of the flange blank is circular and is larger than the diameter of the bottom die main body, and the inner diameter of the flange blank is smaller than the diameter of the circular groove; driving the standard top die to move towards the standard bottom die through a lifting working part of the processing equipment, and tightly pushing the flange blank on the top surface of the standard bottom die;

starting processing equipment, driving the standard bottom die and the flange blank on the standard bottom die to rotate at a speed of 90-110 revolutions per minute by rotating a working part, and flanging the flange blank which exceeds the outer edge part of the bottom die main body downwards by using a spinning rod and enabling the flange blank to be attached to the outer wall surface of the standard bottom die; then suspending the processing equipment, moving away the standard top die after the standard bottom die stops rotating, starting the processing equipment to drive the standard bottom die and the flange blank thereon to rotate at a speed of 90-110 revolutions per minute by rotating the working part, and then flanging the inner edge part of the flange blank positioned on the upper side of the circular groove downwards by using a spinning rod and attaching the flange blank to the inner wall surface of the circular groove;

step four, enabling the flange blank to continuously rotate at a speed of 90-110 revolutions per minute, then using a spinning rod to press down at the position, corresponding to the corrugated forming ring groove, on the upper side of the flange blank, so that the part, corresponding to the corrugated forming ring groove, of the flange blank is extruded into the corrugated forming ring groove to form an annular corrugated structure, and then stopping the machining equipment;

and fifthly, according to the size of the outer diameter and the inner diameter of the electrified flange to be manufactured at this time, scribing on the flange blank with the processed annular corrugated structure, and cutting off redundant materials on the flange blank according to the scribing to manufacture the electrified flange.

Further, the thickness of the bottom die main body is 25-35 mm, and the depth of the circular groove is 8-10 mm.

Furthermore, the side wall surface of the ripple forming ring groove is in arc transition connection with the top surface of the bottom die main body.

Further, the connecting structure is a threaded hole.

Further, the standard top mold is made of a nylon material.

Further, the processing equipment is a lathe, a lathe or a processing center.

Furthermore, the turning angles of the flange blank in the flanging process of the inner edge and the outer edge are both 90 degrees.

Further, the flange blank is processed in the second step in the following mode: firstly, cutting a platinum or platinum-rhodium alloy plate to obtain a flange blank with a required shape and size; then placing the obtained flange blank into an annealing furnace, and annealing for 30 minutes under the working condition that the annealing temperature is 1200 ℃; then taking out the flange blank, placing the flange blank on a refractory platform for natural cooling, and wiping the surface of the flange blank with industrial alcohol with the purity of more than 98 percent after cooling to room temperature; and finally, placing the flange blank on leveling equipment for leveling to ensure that the flatness of the flange blank reaches +/-0.1 mm.

Further, the spinning stick includes excellent main part, and the diameter of excellent main part is 25 ~ 30mm, and the one end of excellent main part is provided with conical spinning section, and the tip of spinning section is the fillet structure.

Further, the spinning rod is made of a nylon material, and the fire-resistant platform is made of a corundum material.

The invention has the beneficial effects that: the manufacturing method comprises the steps of designing and manufacturing a standard bottom die and a standard top die with specific structures, placing a flange blank on the top surface of the standard bottom die in the production process, flanging the inner edge and the outer edge of the flange blank to enable the flange blank to be buckled on the top surface of the standard bottom die, pressing the flange blank part corresponding to a ripple forming ring groove into the ripple forming ring groove to enable the flange blank part to be formed into an annular ripple structure, and finally marking on the flange blank with the annular ripple structure according to the size of an electrified flange to be manufactured and cutting off redundant materials to manufacture the electrified flange with the required size; the whole manufacturing process is simple and convenient to operate, when a plurality of electrified flanges with different specifications are manufactured, different dies do not need to be replaced, and the electrified flanges with different specifications and sizes can be manufactured only by marking different cutting lines on the flange blank with the annular corrugated structure and then cutting the flange blank; moreover, when the method is adopted to manufacture a plurality of electrified flanges with different specifications, because various molds do not need to be designed and manufactured, the production cost is favorably reduced; in addition, the process of assembling and disassembling the die for many times is omitted, and the production efficiency of manufacturing a plurality of electrified flanges with different specifications is greatly improved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of an energizing flange;

FIG. 2 is a schematic diagram of an implementation structure of a standard bottom die;

FIG. 3 is a diagram showing the corresponding relationship between the placement positions of a flange blank and a standard bottom die;

FIG. 4 is a schematic view of a flange blank placed on a standard bottom die;

FIG. 5 is a schematic structural view of the flange blank after flanging the outer edge and separating from a standard bottom die;

FIG. 6 is a schematic view of the flange blank after forming an annular corrugated structure thereon and then separating from a standard bottom mold;

labeled as: the die comprises a flange blank 10, a standard bottom die 20, a bottom die main body 21, a circular groove 22, a ripple forming ring groove 23, a threaded hole 24, an electrified flange 30 and an annular ripple structure 31.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

The manufacturing method of the noble metal energizing flange comprises the following steps:

designing and manufacturing a standard bottom die 20 according to an electrified flange 30 to be manufactured, and designing and manufacturing a standard top die according to the standard bottom die 20; the largest size of the energizing flanges 30 among the energizing flanges 30 to be manufactured has an outer diameter D_{Outer cover}The inner diameter of the smallest-sized energizing flange 30 among the energizing flanges 30 to be manufactured is D_{Inner part}(ii) a As shown in fig. 2, the standard bottom mold 20 includes a bottom mold main body 21, and the bottom mold main body 21 is circular and has a diameter ofThe top of the bottom die main body 21 is provided with a circular groove 22 which is coaxial with the bottom die main body, and the diameter of the circular groove 22 isA ripple forming ring groove 23 coaxial with the bottom die main body 21 is arranged on the top surface of the bottom die main body, and a connecting structure is arranged at the central position of the bottom of the circular groove 22; the diameter of the standard top die is smaller than that of the bottom die main body 21 and larger than that of the circular groove 22;

step two, installing the standard bottom die 20 on a rotary working part of the processing equipment through a connecting structure, and installing a standard top die on a lifting working part of the processing equipment, wherein the standard top die is positioned on the upper side of the standard bottom die 20 and is coaxial with the standard bottom die 20; placing the processed flange blank 10 on the top surface of the standard bottom die 20, and keeping the flange blank 10 and the standard bottom die 20 coaxial; the flange blank 10 is in a circular ring shape, the outer diameter of the flange blank is larger than the diameter of the bottom die main body 21, and the inner diameter of the flange blank is smaller than the diameter of the circular groove 22; driving the standard top die to move towards the standard bottom die 20 through a lifting working part of the processing equipment, and tightly pushing the flange blank 10 on the top surface of the standard bottom die 20; the processing equipment used in this step may be various, for example: a lathe, lathe or machining center, etc.;

starting the processing equipment, driving the standard bottom die 20 and the flange blank 10 thereon to rotate at a speed of 90-110 revolutions per minute by rotating the working part, and turning down the outer edge part of the flange blank 10 exceeding the bottom die main body 21 by using a spinning rod and enabling the flange blank to be attached to the outer wall surface of the standard bottom die 20; then suspending the processing equipment, moving the standard top die away after the standard bottom die 20 stops rotating, starting the processing equipment to drive the standard bottom die 20 and the flange blank 10 thereon to rotate at a speed of 90-110 revolutions per minute by rotating the working part, and then downwards flanging the inner edge part of the flange blank 10 on the upper side of the circular groove 22 by using a spinning rod and enabling the inner edge part to be attached to the inner wall surface of the circular groove 22; in the step, the turning angle of the flange blank 10 in the process of flanging the inner edge and the outer edge is preferably 90 degrees;

step four, enabling the flange blank 10 to continuously rotate at a speed of 90-110 revolutions per minute, then using a spinning rod to press down at a position, corresponding to the corrugated forming ring groove 23, on the upper side of the flange blank 10, so that the part, corresponding to the corrugated forming ring groove 23, of the flange blank 10 is extruded into the corrugated forming ring groove 23 to form an annular corrugated structure 31, and then stopping the machining equipment;

step five, according to the size of the outer diameter and the inner diameter of the current-carrying flange 30 to be manufactured at this time, a line is drawn on the flange blank 10 with the annular corrugated structure 31, and redundant materials on the flange blank 10 are cut off according to the drawn line to manufacture the current-carrying flange 30, as shown in fig. 1.

The manufacturing method is suitable for manufacturing the energizing flanges 30 with various specifications and sizes by designing and manufacturing the standard bottom die 20 and the standard top die with specific structures; in the production process, the flange blank 10 is placed on the top surface of a standard bottom die 20, the inner edge and the outer edge of the flange blank 10 are flanged and buckled on the top surface of the standard bottom die 20, then the flange blank part corresponding to the corrugated forming ring groove 23 is pressed into the corrugated forming ring groove 23 to form an annular corrugated structure 31, and finally, according to the size of the electrified flange 30 to be manufactured, the flange blank 10 with the annular corrugated structure 31 is scribed and redundant materials are cut off to manufacture the electrified flange 30 with the required size; when a plurality of electrified flanges 30 with different specifications and sizes are manufactured, different dies do not need to be replaced, and the electrified flanges 30 with different specifications and sizes can be manufactured only by cutting different cutting lines on the flange blank 10 with the annular corrugated structure 31.

The standard bottom die 20 is a standard component and can be used for manufacturing various energizing flanges 30 with different dimensions; the bottom die main body 21 is a main body part of a standard bottom die 20 and is mainly used for supporting and driving the flange blank 10, and the thickness of the bottom die main body 21 is preferably 25-35 mm; the circular groove 22 is mainly used for matching with an inner edge flanging of the flange blank 10 and positioning and fixing the flange blank 10 together with the outer edge flanging, and the depth of the circular groove 22 is preferably 8-10 mm; the ripple forming ring groove 23 is mainly used for forming an annular ripple structure 31, and the diameter of the ripple forming ring groove is larger than that of the circular groove 22 and smaller than that of the bottom die main body 21; in order to facilitate the formation of the annular corrugation structure 31 and avoid the flange blank 10 from being scratched, as shown in fig. 2, it is preferable that the side wall surfaces of the corrugation forming ring grooves 23 and the top surface of the bottom die main body 21 are transitionally connected by an arc; the connecting structure arranged at the bottom of the circular groove 22 is mainly used for connecting and fixing the standard bottom die 20 and the rotating working part of the processing equipment, and the connecting structure can be various, for example: the clamping part, the connecting hole and the like are preferably threaded holes 24 which are simple in structure and convenient to machine.

The standard top die is mainly used for tightly pushing the flange blank 10 when the outer edge of the flange blank is flanged, and the diameter of the standard top die is preferably 10-15 mm larger than that of the circular groove 22; the standard top mold is typically made of a smooth surfaced material, preferably a nylon material.

The spinning rod is mainly used for applying processing pressure to flange the flange blank 10 and process the annular corrugated structure 31, and is usually made of a material with a smooth surface, preferably a nylon material; the structure of spinning stick can be the multiple, and for the convenience of processing, preferred spinning stick includes excellent main part, and the diameter of excellent main part is 25 ~ 30mm, and the one end of excellent main part is provided with conical spinning section, and the tip of spinning section is the fillet structure.

In order to improve the processing quality and ensure the precision of the manufactured energizing flange 30, the flange blank 10 is preferably processed in the second step by: firstly, cutting a platinum or platinum-rhodium alloy plate to obtain a flange blank 10 with a required shape and size; then placing the obtained flange blank 10 into an annealing furnace, and annealing for 30 minutes under the working condition that the annealing temperature is 1200 ℃; then taking out the flange blank 10, placing the flange blank on a fire-resistant platform for natural cooling, and wiping the surface of the flange blank 10 clean by using industrial alcohol with the purity of more than 98 percent after cooling to room temperature; and finally, placing the flange blank 10 on leveling equipment for leveling to ensure that the flatness of the flange blank 10 reaches +/-0.1 mm. The refractory platform is typically made of a refractory material, preferably a corundum material.

Examples

Ten electrified flanges 30 with different specifications and sizes are manufactured at a time, and the process is as follows:

designing and manufacturing a standard bottom die 20 according to an electrified flange 30 to be manufactured, and designing and manufacturing a standard top die according to the standard bottom die 20; the largest size of the energizing flanges 30 among the energizing flanges 30 to be manufactured has an outer diameter D_{Outer cover}The inner diameter of the smallest-sized energizing flange 30 among the energizing flanges 30 to be manufactured is D_{Inner part}(ii) a As shown in fig. 2, the standard bottom mold 20 includes a bottom mold main body 21, and the bottom mold main body 21 is circular and has a diameter ofThe top of the bottom die main body 21 is provided with a circular groove 22 which is coaxial with the bottom die main body, and the diameter of the circular groove 22 isA ripple forming ring groove 23 coaxial with the bottom die main body 21 is arranged on the top surface of the bottom die main body, and a connecting structure is arranged at the central position of the bottom of the circular groove 22; the thickness of the bottom die main body 21 is 30mm, and the depth of the circular groove 22 is 9 mm; the diameter of the standard top die is 12mm larger than that of the circular groove 22;

step two, installing a standard bottom die 20 on a rotary working part of the spinning equipment through a connecting structure, and installing a standard top die on a lifting working part of the spinning equipment, wherein the standard top die is positioned on the upper side of the standard bottom die 20 and is coaxial with the standard bottom die 20; placing the processed flange blank 10 on the top surface of the standard bottom die 20, and keeping the flange blank 10 and the standard bottom die 20 coaxial, as shown in fig. 3 and 4; driving the standard top die to move towards the standard bottom die 20 through a lifting working part of the spinning equipment, and tightly pushing the flange blank 10 on the top surface of the standard bottom die 20;

the flange blank 10 is processed in the second step in the following manner: firstly, cutting a platinum plate to obtain ten annular flange blanks 10 with the outer diameter larger than the diameter of the bottom die main body 21 and the inner diameter smaller than the diameter of the circular groove 22; then placing the obtained flange blank 10 into an annealing furnace, and annealing for 30 minutes under the working condition that the annealing temperature is 1200 ℃; then taking out the flange blank 10, placing the flange blank on a fire-resistant platform for natural cooling, and wiping the surface of the flange blank 10 clean by using industrial alcohol with the purity of more than 98 percent after cooling to room temperature; finally, the flange blank 10 is placed on leveling equipment for leveling, so that the flatness of the flange blank 10 reaches +/-0.1 mm;

starting spinning equipment, driving the standard bottom die 20 and the flange blank 10 thereon to rotate at a speed of 100 revolutions per minute by rotating the working part, and turning down the outer edge part of the flange blank 10 exceeding the bottom die main body 21 by using a spinning rod and attaching the flange blank to the outer wall surface of the standard bottom die 20, as shown in fig. 5; then, stopping the spinning equipment, moving the standard top die after the standard bottom die 20 stops rotating, starting the spinning equipment to drive the standard bottom die 20 and the flange blank 10 thereon to rotate at a speed of 100 revolutions per minute by rotating a working part, and then flanging the inner edge part of the flange blank 10 on the upper side of the circular groove 22 downwards by using a spinning rod and attaching the inner edge part to the inner wall surface of the circular groove 22; in the step, the turning angle of the flange blank 10 in the process of flanging the inner edge and the outer edge is preferably 90 degrees;

step four, the flange blank 10 is continuously rotated at the speed of 100 revolutions per minute, then a spinning rod is used for pressing down at the position, corresponding to the corrugated forming ring groove 23, on the upper side of the flange blank 10, so that the part, corresponding to the corrugated forming ring groove 23, of the flange blank 10 is extruded into the corrugated forming ring groove 23 to form an annular corrugated structure 31, and referring to fig. 6, the spinning equipment is stopped;

and step five, sequentially manufacturing ten flange blanks 10 with annular corrugated structures 31, respectively marking different cutting lines on the flange blanks 10 according to the sizes of the outer diameter and the inner diameter of the electrified flange 30 to be manufactured, and cutting off redundant materials on the flange blanks 10 according to the cutting lines to manufacture ten electrified flanges 30 with required size specifications.