CN114472771A - Connector plug cold heading forming module and forming process - Google Patents
Connector plug cold heading forming module and forming process Download PDFInfo
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- CN114472771A CN114472771A CN202111638192.5A CN202111638192A CN114472771A CN 114472771 A CN114472771 A CN 114472771A CN 202111638192 A CN202111638192 A CN 202111638192A CN 114472771 A CN114472771 A CN 114472771A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000009966 trimming Methods 0.000 claims description 31
- 238000007493 shaping process Methods 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/10—Piercing billets
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The connector plug is obtained by processing the connector plug through the processing mode and the module, so that not only can the consumption of raw materials be reduced, the investment of cost be reduced, but also the working efficiency and the product quality can be improved, and the requirements of industrial production and consumers can be met. The invention also provides a connector plug cold heading forming process, and the connector plug cold heading forming process achieves the effects of reducing the consumption of raw materials, improving the working efficiency and improving the product quality by using the module for processing.
Description
Technical Field
The invention belongs to the technical field of cold heading forming, and particularly relates to a connector plug cold heading forming module and a forming process.
Background
The Connector (Connector) of a general electronic product and the Pin (Pin) of an electrical appliance are called as plugs. A plug and socket for domestic AC power supply has a male connector in the shape of rod or copper plate and a female connector-type power supply socket with slot or concave hole.
The conventional connector plug is usually manufactured by adopting a production mode of turning, processing and forming, and the mode has the disadvantages of high raw material consumption, high cost, low processing efficiency, general stability of a produced product and incapability of meeting the use requirements of consumers.
Disclosure of Invention
An object of the present invention is to solve at least one of the problems of the prior art, and to provide a connector plug cold heading forming module capable of reducing the consumption of raw materials, improving the working efficiency and improving the product quality.
The second objective of the present invention is to solve at least one of the technical problems in the prior art, and to provide a connector plug cold heading forming process using the connector plug cold heading forming module to reduce the consumption of raw materials, improve the working efficiency and improve the product quality.
One of the purposes of the invention is realized by adopting the following technical scheme:
connector plug cold-heading shaping module includes:
the bundling flat die is provided with a bundling flat stepped hole, one end, close to the opening, of the bundling flat stepped hole is a cylindrical hole, the other end, far away from the opening, of the bundling flat stepped hole is a square hole, and when the bundling flat die is closed, two ends of a workpiece can be extruded to form flat parts and the middle of the workpiece can form an upset part;
the upsetting die is provided with an upsetting stepped hole, the diameter of the cylindrical hole of the upsetting stepped hole is larger than that of the cylindrical hole of the upsetting stepped hole, and a workpiece can be extruded to radially expand an upsetting portion during upsetting;
the binding rod die is provided with a binding rod stepped hole, the binding rod stepped hole is provided with a cylindrical stepped hole and a flat stepped hole, and when the binding rod die is closed, a workpiece can be extruded to enable the upset part and the flat part to deform to form a step shape;
the upsetting hole die is provided with an upsetting hole stepped hole and a punch rod positioned in the upsetting hole stepped hole, the upsetting hole stepped hole is matched with the beam rod stepped hole in shape, and when the upsetting hole die is closed, a workpiece can be extruded to enable the flat part to form a hole;
and the workpiece is processed by the beam flat die, the upsetting die, the beam rod die and the heading hole die in sequence.
Furthermore, the beam flat stepped hole and the upsetting stepped hole are both provided with guide surfaces for connecting the cylindrical hole and the square hole, and the guide surfaces are arranged around the hole wall.
Further, the guide surface is an annular inclined surface or an annular arc surface.
The beam rod die further comprises a shaping die, wherein a shaping stepped hole is formed in the shaping die, the connecting surface of the cylindrical hole and the square hole of the shaping stepped hole is a plane, when the shaping die is closed, a workpiece can be extruded to enable the guide surface to be a horizontal plane, and the workpiece is processed by the shaping die and then is processed by the beam rod die.
Furthermore, a positioning bulge is arranged in the shaping stepped hole or the beam stepped hole, and can extrude a workpiece to form a positioning hole for positioning the punch rod.
Further, still include the side cut mould, be equipped with the side cut shoulder hole and be located the side cut piece in the side cut shoulder hole, side cut shoulder hole shape with the shape looks adaptation in upset hole shoulder hole, during the side cut mould compound die, the side cut piece can cut edge unnecessary material in the upset portion, the work piece process carry on again behind the processing of upset hole mould the processing of side cut mould.
Furthermore, the trimming piece is provided with two symmetrically arranged semicircular parts, and the upsetting part can be cut to enable the cross section of the upsetting part to be oval when the trimming die is assembled.
Furthermore, the beam flat die, the upsetting die, the beam rod die and the upsetting hole die are all provided with unloading pieces used for pushing out the formed workpiece, and the unloading pieces can be arranged on the dies in a sliding mode.
Furthermore, the device also comprises a positioning piece for guiding the discharging piece to slide, and the positioning piece and the discharging piece can move relatively.
The second purpose of the invention is realized by adopting the following technical scheme:
connector plug cold-heading forming process, its characterized in that uses as above connector plug cold-heading shaping module, includes:
s1, cutting a cylindrical workpiece with a certain length;
s2, placing the workpiece in a bundling flat stepped hole of a bundling flat die, and closing the die and extruding to enable two ends of the workpiece to form flat parts and the middle of the workpiece to form an upset part;
s3, placing the processed workpiece of the S2 in an upsetting stepped hole of an upsetting die, and closing the die to extrude the workpiece to enable an upsetting part of the workpiece to expand radially;
s4, placing the processed workpiece of the S3 in a beam rod stepped hole of a beam rod die, and closing the die and extruding to enable the upset part and the flat part of the workpiece to deform to form a step shape respectively;
and S5, placing the processed workpiece of the S4 in the heading hole stepped hole of the heading hole die, closing the die, and extruding by a punch rod to form a hole in the flat part.
Compared with the prior art, the invention has the beneficial effects that:
when the connector plug cold heading forming module is used for processing the connector plug, a cylindrical workpiece can be firstly cut out, and then the cylindrical workpiece is subjected to cold heading forming step by step sequentially through the bundling die, the upsetting die, the bundling rod die and the heading hole die, so that the connector plug is obtained. The invention also provides a connector plug cold heading forming process, and the connector plug cold heading forming process achieves the effects of reducing the consumption of raw materials, improving the working efficiency and improving the product quality by using the module for processing.
Drawings
FIG. 1 is a cross-sectional view of a preferred embodiment of the beam flattening die of the present invention;
FIG. 2 is an elevational view of the workpiece of the present invention after cold heading by a beam flattening die;
figure 3 is a cross-sectional view of a preferred embodiment of an upsetting die of the present invention;
FIG. 4 is an elevational view of the workpiece of the present invention after it has been cold headed by an upsetting die;
FIG. 5 is a cross-sectional view of a preferred embodiment of the sizing die of the present invention;
FIG. 6 is an elevational view of the workpiece of the present invention after cold heading by a sizing die;
FIG. 7 is a cross-sectional view of a preferred embodiment of the beam mold of the present invention;
FIG. 8 is an elevation view of the workpiece of the present invention after cold heading by a beam die;
FIG. 9 is a cross-sectional view of a preferred embodiment of the heading hole die of the present invention;
FIG. 10 is an elevational view of the inventive workpiece after cold heading by the heading die;
FIG. 11 is a cross-sectional view of a preferred embodiment of the trimming die of the present invention;
FIG. 12 is an elevational view of the inventive workpiece after cold heading by the trim die.
Wherein, in the figures, the respective reference numerals:
10. bundling and flattening the die; 101. a cylindrical bore; 102. a square hole; 103. a guide surface; 20. upsetting the die; 201. upsetting the stepped hole; 30. a beam rod mold; 301. a binding rod stepped hole; 40. a hole upsetting die; 401. upsetting a hole stepped hole; 402. punching a rod; 403. unloading the material; 404. a positioning member; 405. a spring; 50. shaping the die; 501. shaping the stepped hole; 502. positioning the projection; 60. trimming the die; 601. trimming a stepped hole; 62. trimming parts; 71. a flat portion; 72. upsetting; 73. positioning holes; 74. and (4) a hole.
Detailed Description
In the following, the present invention is further described with reference to the drawings and the detailed description, and it should be noted that, in the premise of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.
The invention refers to fig. 1-4, fig. 7-10, which includes a bundling flat die 10, which is provided with a bundling flat stepped hole, one end of the bundling flat stepped hole close to the opening is a cylindrical hole 101, and one end of the bundling flat stepped hole far away from the opening is a square hole 102, when the bundling flat die 10 is closed, the bundling flat die can extrude two ends of the workpiece to form a flat part 71 and the middle part thereof to form a upset part 72; the upsetting die 20 is provided with an upsetting stepped hole 201, the diameter of the cylindrical hole 101 of the upsetting stepped hole 201 is larger than that of the cylindrical hole 101 of the upsetting stepped hole, and the upsetting die 20 can extrude a workpiece to radially expand the upsetting portion 72; the binding rod die 30 is provided with a binding rod stepped hole 301, the binding rod stepped hole 301 is provided with a cylindrical stepped hole and a flat stepped hole, and when the binding rod die 30 is closed, a workpiece can be extruded to enable the upset part 72 and the flat part to deform to form a step shape; the upsetting hole die 40 is provided with an upsetting hole stepped hole 401 and a punch rod 402 positioned in the upsetting hole stepped hole 401, the upsetting hole stepped hole 401 is matched with the beam rod stepped hole 301 in shape, and when the upsetting hole die 40 is closed, a workpiece can be extruded to enable the flat part 71 to form a hole 74; the workpiece is processed by the beam flat die 10, the upsetting die 20, the beam rod die 30 and the heading hole die 40 in sequence. This scheme can intercept a cylindrical work piece earlier when processing the connector plug, later loops through and restraints flat mould 10, upsetting mould 20, restraints pole mould 30 and the gradual cold-heading shaping of upset hole mould 40, obtains the connector plug from this, through above-mentioned processing mode and this module processing, not only can reduce raw and other materials consumption, reduces the input of cost, can also improve work efficiency and improve product quality simultaneously, satisfies industrial production and consumer's needs.
In the final forming of the workpiece in this embodiment, both ends are flat and the middle is cylindrical, so the stepped holes can be respectively arranged in the upper die and the lower die of each die, one of the dies can also be provided with the stepped hole, and the other die is provided with the square hole 102 matched with the flat part 71, so that the formation of the middle cylindrical shape with both flat ends after cold heading can be ensured.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
in this embodiment, referring to fig. 1 and 3, the bundle of flat stepped holes and the upset stepped hole 201 are both provided with a guide surface 103 connecting the cylindrical hole 101 and the square hole 102, and the guide surface 103 is arranged around the hole wall. Both the bundle flattening die 10 and the upsetting die 20 are processing dies of the connector plug at the beginning of the pre-forming process. Through the arrangement of the guide surface 103, when the workpiece is extruded, the workpiece can be better and faster deformed and moved to the square hole 102 under the action of the guide surface 103, the two ends of the workpiece can form the flat parts 71 with smaller sectional areas, and the forming effect is better.
In combination with the arrangement of the guide surface 103, in the present embodiment, as shown in fig. 1 and 3, the guide surface 103 is an annular inclined surface or an annular arc surface. Through selecting for use above-mentioned both inclined planes to select, the homoenergetic provides certain guide and cushioning effect for the work piece deformation for the work piece can enough warp more fast and move to square hole 102 in, also ensures the integrality of work piece formation flat portion 71 simultaneously.
In the present embodiment, with reference to the arrangement of the guide surface 103, as shown in fig. 5 to 6, the forming die 50 is further included, the forming die 50 is provided with a forming stepped hole 501, a connecting surface between the cylindrical hole 101 and the square hole 102 of the forming stepped hole 501 is a plane, when the forming die 50 is closed, the workpiece can be pressed so that the guide surface 103 is a horizontal plane, and the workpiece is processed by the forming die 50 and then processed by the beam rod die 30. Because the guide surface 103 is arranged for better forming the flat part 71 of the workpiece, after the two processes of bundling and upsetting are carried out on the workpiece finally, the transition between the upset part 72 and the flat part 71 is also a bevel or a cambered surface, and the guide surface 103 can be reshaped into a plane after the workpiece is extruded through the arrangement of the reshaping die 50, so that the subsequent step processing of the workpiece is facilitated. Meanwhile, the workpiece is obtained by cutting, and when the material is cut by the material cutting mechanism of the equipment, the section can cut and stretch off two end surface textures, so that the appearance of the section can be obviously different from that of the raw material. Furthermore, after the upsetting die 20 is machined, a plurality of cracks are formed in the intermediate upsetting portion 72, so that the difference in appearance of the workpiece can be reduced by the arrangement of the shaping die 50, and the appearance of the workpiece after being formed is free from defects.
In the present embodiment, with reference to fig. 5 and 7, in combination with the arrangement of the shaping die 50, a positioning protrusion 502 is provided in the shaping stepped hole 501 or the beam stepped hole 301, and can press a workpiece to form the positioning hole 73 for positioning the punch pin 402. Through the arrangement, after the workpiece is subjected to cold heading forming by the shaping die 50 or the beam rod die 30, the bottom of the workpiece can correspond to the forming positioning hole 73, so that the punch rod 402 can better form a hole on the flat part 71 when the heading hole die 40 performs heading hole in the following process.
In this embodiment, as shown in fig. 11 to 12, the die further includes a trimming die 60, which is provided with a trimming stepped hole 601 and a trimming member 62 located in the trimming stepped hole 601, where the trimming stepped hole 601 is adapted to the heading hole stepped hole 401 in shape, when the trimming die 60 is closed, the trimming member 62 can trim the excessive material on the heading portion 72, and the workpiece is processed by the heading die 40 and then processed by the trimming die 60. Through the arrangement of the trimming die 60, the shape of the workpiece can be corrected through the cold heading process, so that the workpiece can conform to the data size of the final drawing. In order to prevent the trimming die 60 from being pressed against the workpiece during cold heading to deform the workpiece, the trimming stepped hole 601 is designed to have the same shape as the heading hole stepped hole 401, and a punch 402 is also provided in the hole, so that the workpiece can be positioned and placed in the trimming stepped hole 601 by the punch 402.
Specifically, in this embodiment, as shown in fig. 11, the trimming member 62 has two semicircular portions symmetrically arranged, and the trimming die 60 can cut the upset portion 72 to have an elliptical cross section when it is clamped. Through the arrangement of the trimming piece 62, redundant parts of the upsetting portion 72 can be cut off in the cold upsetting process, so that the shape of the workpiece meets the requirement.
In this embodiment, referring to fig. 11, the flat binding die 10, the upsetting die 20, the rod binding die 30, and the upsetting die 40 are all provided with a discharging member 403 for ejecting the formed workpiece, and the discharging member 403 is slidably disposed on the dies. When the die is closed and the cold heading work is finished, the workpiece may be extruded and fixed in the upper die or the lower die of the die due to deformation caused by extrusion. Through the arrangement of the unloading piece 403, when the situation occurs, the unloading piece 403 is driven to move to eject the workpiece out of the die, so that the workpiece cannot be subjected to the next action, and the processing efficiency is prevented from being influenced. Meanwhile, the discharging member 403 may be provided on both the upper die and the lower die at the same time, preventing the workpiece from being fixed on one of them.
In combination with the arrangement of the discharge bar, referring to fig. 11, in this embodiment, a positioning member 404 is further included for guiding the discharge member 403 to slide, and the positioning member 404 can move relative to the discharge member 403. Because the unloading piece 403 is smaller than the size of the forming hole in the workpiece, the positioning piece 404 can ensure that the unloading piece 403 can move along the positioning piece 404, and the workpiece can be ejected. Specifically, the positioning member 404 is sleeved outside the discharging member 403, and the discharging member 403 can slide along the positioning member 404.
In this embodiment, as shown in fig. 11, a spring 405 for resetting the positioning element 404 or the discharging element 403 is further provided, and by setting the spring 405, after the positioning element 404 and the discharging element 403 move relatively, the spring 405 is compressed, and after the discharging element 403 ejects the workpiece, the spring 405 can relax to reset the positioning element 404 or the discharging element 403, so as to ensure that the next ejection operation can be performed smoothly.
The invention also provides a connector plug cold heading forming process, which uses the connector plug cold heading forming module, and comprises the following steps:
s1, cutting a cylindrical workpiece with a certain length;
s2, placing the workpiece in a beam flat stepped hole of the beam flat die 10, and clamping and extruding the workpiece to form flat parts 71 at two ends and upset parts 72 in the middle;
s3, placing the processed workpiece of S2 in an upsetting stepped hole 201 of an upsetting die 20, and closing the die to extrude the workpiece to radially expand an upsetting portion 72 of the workpiece;
s4, placing the workpiece processed in the S3 in the beam stepped hole 301 of the beam die 30, and clamping and extruding to enable the upset part 72 and the flat part of the workpiece to deform to form a step shape respectively;
s5, the workpiece processed in S4 is placed in the upset hole stepped hole 401 of the upset hole die 40, and the punch 402 is pressed to clamp the die to form the hole in the flat portion.
According to the invention, the target workpiece can be obtained by using the module and processing according to the process, so that the consumption of raw materials is reduced, the working efficiency is improved and the product quality is improved.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. Connector plug cold-heading shaping module, its characterized in that includes:
the flat binding die (10) is provided with a flat binding stepped hole, one end, close to the opening, of the flat binding stepped hole is a cylindrical hole (101), the other end, far away from the opening, of the flat binding stepped hole is a square hole (102), and when the flat binding die (10) is closed, two ends of a workpiece can be extruded to form a flat part (71) and the middle of the workpiece forms a heading part (72);
the upsetting die (20) is provided with an upsetting stepped hole (201), the diameter of the cylindrical hole (101) of the upsetting stepped hole (201) is larger than that of the cylindrical hole (101) of the beam-flat stepped hole, and when the upsetting die (20) is used, a workpiece can be extruded to enable the upsetting portion (72) to radially expand;
the binding rod die (30) is provided with a binding rod stepped hole (301), the binding rod stepped hole (301) is provided with a cylindrical stepped hole and a flat stepped hole, and when the binding rod die (30) is closed, a workpiece can be extruded to enable the upset part (72) and the flat part to deform to form a step shape;
the upsetting hole die (40) is provided with an upsetting hole stepped hole (401) and a punch rod (402) located in the upsetting hole stepped hole (401), the upsetting hole stepped hole (401) is matched with the beam rod stepped hole (301) in shape, and when the upsetting hole die (40) is closed, a workpiece can be extruded to enable the flat part (71) to form a hole (74);
and the workpiece is processed by the beam flat die (10), the upsetting die (20), the beam rod die (30) and the heading hole die (40) in sequence.
2. The connector plug cold-heading die set according to claim 1, wherein the bundle flat stepped bore and the upset flat stepped bore (201) are each provided with a guide surface (103) connecting the cylindrical bore (101) and the square bore (102), the guide surfaces (103) being disposed around the bore walls.
3. The connector plug cold heading forming die set according to claim 2, wherein the guide surface (103) is an annular inclined surface or an annular circular arc surface.
4. The connector plug cold heading forming die set according to claim 2, further comprising a shaping die (50) provided with a shaping stepped hole (501), wherein the connecting surface of the cylindrical hole (101) and the square hole (102) of the shaping stepped hole (501) is a plane, when the shaping die (50) is closed, the workpiece can be extruded to enable the guide surface (103) to be a horizontal plane, and the workpiece is processed by the shaping die (50) and then processed by the beam rod die (30).
5. The connector plug cold heading forming die set according to claim 4, wherein the shaping stepped hole (501) or the beam stepped hole (301) is provided therein with a positioning protrusion (502) capable of pressing a workpiece to form a positioning hole (73) for positioning the punch pin (402).
6. The connector plug cold heading forming die set according to claim 1, further comprising a trimming die (60) provided with a trimming stepped hole (601) and a trimming member (62) located in the trimming stepped hole (601), wherein the trimming stepped hole (601) is matched with the upsetting stepped hole (401) in shape, when the trimming die (60) is closed, the trimming member (62) can trim excessive materials on the upset portion (72), and a workpiece is processed by the upsetting die (40) and then processed by the trimming die (60).
7. The connector plug cold heading forming die set according to claim 6, wherein the trimming member (62) is provided with two symmetrically arranged semicircular portions, and the trimming die (60) is capable of cutting the upset portion (72) to have an elliptical cross section when clamped.
8. The connector plug cold heading forming module set according to claim 1, wherein the beam flat die (10), the upsetting die (20), the beam rod die (30) and the heading hole die (40) are provided with a discharging piece (403) for ejecting the formed workpiece, and the discharging piece (403) is slidably arranged on the dies.
9. The connector plug cold heading forming die set according to claim 8, further comprising a positioning member (404) for guiding the discharging member (403) to slide, wherein the positioning member (404) can move relative to the discharging member (403).
10. Connector plug cold heading forming process, characterized in that the connector plug cold heading forming module according to any one of claims 1-9 is used, and comprises:
s1, cutting a cylindrical workpiece with a certain length;
s2, placing the workpiece in a bundling flat stepped hole of a bundling flat die (10), and clamping and extruding the workpiece to enable two ends of the workpiece to form flat parts (71) and the middle of the workpiece to form an upset part (72);
s3, placing the processed workpiece of the S2 in an upsetting stepped hole (201) of an upsetting die (20), and closing the die to extrude the workpiece to enable an upsetting part (72) of the workpiece to expand radially;
s4, placing the workpiece processed in the S3 into a beam stepped hole (301) of a beam die (30), and performing die closing and extrusion to enable an upset part (72) and a flat part of the workpiece to deform to form steps respectively;
and S5, placing the workpiece processed in the S4 in the heading hole stepped hole (401) of the heading hole die (40), and clamping the die and pressing the die rod (402) to enable the flat part to form the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111638192.5A CN114472771A (en) | 2021-12-29 | 2021-12-29 | Connector plug cold heading forming module and forming process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111638192.5A CN114472771A (en) | 2021-12-29 | 2021-12-29 | Connector plug cold heading forming module and forming process |
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| Publication Number | Publication Date |
|---|---|
| CN114472771A true CN114472771A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111638192.5A Pending CN114472771A (en) | 2021-12-29 | 2021-12-29 | Connector plug cold heading forming module and forming process |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4612971A (en) * | 1978-07-28 | 1986-09-23 | Kennecott Corporation | Method and apparatus for the continuous production of strip using oscillating mold assembly |
| CN109202380A (en) * | 2018-09-30 | 2019-01-15 | 江苏天毅冷镦股份有限公司 | The whole cold upsetting production technique of automobile-used ball joint |
| CN111069502A (en) * | 2019-12-26 | 2020-04-28 | 顺科新能源技术股份有限公司 | Part forging device and part forging method |
| CN112719178A (en) * | 2020-11-19 | 2021-04-30 | 宁波安拓实业有限公司 | Method for manufacturing bearing pin for welding of vehicle |
| CN216911965U (en) * | 2021-12-29 | 2022-07-08 | 广东顺科电气制造有限公司 | Crimping terminal cold heading forming module |
-
2021
- 2021-12-29 CN CN202111638192.5A patent/CN114472771A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4612971A (en) * | 1978-07-28 | 1986-09-23 | Kennecott Corporation | Method and apparatus for the continuous production of strip using oscillating mold assembly |
| CN109202380A (en) * | 2018-09-30 | 2019-01-15 | 江苏天毅冷镦股份有限公司 | The whole cold upsetting production technique of automobile-used ball joint |
| CN111069502A (en) * | 2019-12-26 | 2020-04-28 | 顺科新能源技术股份有限公司 | Part forging device and part forging method |
| CN112719178A (en) * | 2020-11-19 | 2021-04-30 | 宁波安拓实业有限公司 | Method for manufacturing bearing pin for welding of vehicle |
| CN216911965U (en) * | 2021-12-29 | 2022-07-08 | 广东顺科电气制造有限公司 | Crimping terminal cold heading forming module |
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