CN106914568B - Flange stud and its manufacturing method - Google Patents
Flange stud and its manufacturing method Download PDFInfo
- Publication number
- CN106914568B CN106914568B CN201510985069.9A CN201510985069A CN106914568B CN 106914568 B CN106914568 B CN 106914568B CN 201510985069 A CN201510985069 A CN 201510985069A CN 106914568 B CN106914568 B CN 106914568B
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- Prior art keywords
- flange
- forging
- flange stud
- stamping
- stud
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000005242 forging Methods 0.000 claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005086 pumping Methods 0.000 claims abstract description 10
- 238000010079 rubber tapping Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 12
- 238000010273 cold forging Methods 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B37/00—Nuts or like thread-engaging members
- F16B37/14—Cap nuts; Nut caps or bolt caps
- F16B37/145—Sleeve nuts, e.g. combined with bolts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Forging (AREA)
Abstract
A kind of flange stud manufacturing method comprising following steps: providing a circular metal stock, and perforation, which is equipped with, on the metal stock keeps away a hole；A forge die, including upper mold and lower die are provided, which includes the water conservancy diversion fuse of lower surface and projection on the lower surface, and forging and stamping chamber is offered in the lower die and offers deep pumping chamber below the forging and stamping chamber；The metal stock is placed in the lower die, the upper mold move into the forging and stamping it is intracavitary and make the water conservancy diversion fuse pass through the metal stock keep away a hole and extend into depth pumping it is intracavitary；The upper mold is moved down to forge and press the metal stock and form flange stud blank；To the tubular cylinder tapping to obtain flange stud.The present invention also provides a kind of flange studs being process by the flange stud manufacturing method.Flange stud intensity made of the flange stud manufacturing method is higher.
Description
Technical field
The present invention relates to a kind of flange stud manufacturing method and the flanges processed by the flange stud manufacturing method
Stud.
Background technique
In process of production, it is often necessary to be fitted together two workpiece using flange stud.Flange stud usually by
Ring flange and the column for being convexly equipped in ring flange side are constituted, and column and ring flange are fixed by the modes such as welding, riveting.By
It is spliced in flange stud by two sseparated ring flanges and column, in connecting portion, that there are stress intensities is low, easy
The problem of falling off.
Summary of the invention
In view of above content, it is necessary to provide a kind of flange stud manufacturing method that can be improved flange stud intensity.
The present invention also provides a kind of flange studs being process by the flange stud manufacturing method.
A kind of flange stud manufacturing method comprising following steps:
A circular metal stock is provided, perforation, which is equipped with, on the metal stock keeps away a hole；
There is provided first forge die, including upper mold and lower die, which includes towards the lower surface of the lower die and convex
The water conservancy diversion fuse being located on the lower surface offers forging and stamping chamber in the lower die and offers below the forging and stamping chamber and deep takes out chamber；
The metal stock is placed in the lower die, the upper mold move into the forging and stamping it is intracavitary and make the water conservancy diversion fuse pass through the gold
Belong to blank keep away a hole and extend into depth pumping it is intracavitary；
The upper mold is moved down to forge and press the metal stock and form flange stud blank, which includes flange
Disk and tubular cylinder, the metal stock stress deformation form the ring flange, the method between the lower surface of the upper mold and the lower die
Blue disk includes opposite first end face and second end face, and is stopped to be downwardly extending along depth pumping cavity wall by the water conservancy diversion fuse
The tubular cylinder；
Using one second forge die to flange stud blank carry out profiling forging and stamping, with change the first end face and this second
The shape of end face, so that the flange stud with specific 3D curved surface ring flange, which is made, forges and presses body；And
To the tubular cylinder tapping to obtain flange stud.
A kind of flange stud, the flange stud are process by above-mentioned flange stud manufacturing method.
Flange stud manufacturing method of the invention and flange stud, since the shape of metal stock is circle, gold when forging and stamping
Belong to blank uniform force, is flowed convenient for metal stock material, so that the length of ring flange and tubular cylinder is uniform, due to ring flange
And tubular cylinder is integrally formed, and improves the intensity of flange stud, avoids in assembling process, ring flange and tubular cylinder are de-
The problem of falling.
Detailed description of the invention
Fig. 1 is the first forge die schematic cross-section of embodiment of the present invention.
Fig. 2 is the flow diagram of the flange stud manufacturing method of embodiment of the present invention.
Fig. 3 is the metal stock schematic diagram in embodiment of the present invention.
Fig. 4 is the flange stud blank schematic diagram in embodiment of the present invention.
Fig. 5 is that the flange stud in embodiment of the present invention forges and presses body schematic diagram.
Fig. 6 is the flange stud schematic diagram in embodiment of the present invention.
Fig. 7 is schematic diagram of the flange stud shown in Fig. 6 at another visual angle.
Fig. 8 is the second forge die schematic cross-section of embodiment of the present invention.
Main element symbol description
Metal stock 10
Keep away a hole 12
First forge die 20
Upper mold 22
Lower surface 223
Water conservancy diversion fuse 225
Lower die 24
Forge and press chamber 242
Bottom surface 2422
Side 2424
It is deep to take out chamber 244
Flange stud blank 30
Ring flange 32,72,82
First end face 323,722,822
Second end face 325,724,824
Tubular cylinder 34,74,84
Second forge die 50
Dynamic model 52
Forming surface 522
Limit fuse 524
Cover half 54
Type chamber 542
Forge and press area 5422
Bottom wall 5423
Side wall 5425
Accommodating area 5427
Flange stud forges and presses body 70
Flange stud 80
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Please referring also to Fig. 1, Fig. 3 and Fig. 6, first that the flange stud manufacturing method of embodiment of the present invention uses are forged and pressed
Mold 20 is used to forge and press to obtain flange stud 80 metal stock 10.Flange stud 80 includes ring flange 82 and is integrally formed at
The tubular cylinder 84 of 82 side of ring flange.Tubular cylinder 84 is substantially in hollow cylindrical.
First forge die 20 includes the upper mold 22 and lower die 24 being oppositely arranged.Upper mold 22 is block shape comprising direction
Water conservancy diversion fuse 225 of the lower surface 223 and projection of lower die 24 on lower surface 223.In the present embodiment, lower surface 223 around
The part of ring water conservancy diversion fuse 225 is plane.Forging and stamping chamber 242 is offered in lower die 24 and offers deep pumping below forging and stamping chamber 242
Chamber 244.Forging and pressing chamber 242 includes bottom surface 2422 and side 2424.Deep chamber 244 of taking out is opened on bottom surface 2422, is led for accommodating
Flow fuse 225.
Please also refer to Fig. 2 to Fig. 8, flange stud 80 is processed using the flange stud manufacturing method of embodiment of the present invention
When, include the following steps.
Step S101: a circular metal stock 10 is provided.Metal stock 10 is equipped in approximately mid way between perforation and keeps away position
Hole 12.In the present embodiment, metal stock 10 is aluminium.
Step S102: the first forge die 20 is provided comprising the upper mold 22 and lower die 24 being oppositely arranged.Upper mold includes court
To the water conservancy diversion fuse 225 of the lower surface of lower die 24 223 and projection on lower surface 223.Forging and stamping chamber 242 is offered in lower die 24 simultaneously
Deep pumping chamber 244 is offered below forging and stamping chamber 242.First forge die 20 of present embodiment is as described above.
Step S103: metal stock 10 is placed in lower die 24, and upper mold 22 moves into forging and stamping chamber 242 and makes water conservancy diversion fuse
225 pass through keeping away a hole 12 and extending into deep take out in chamber 244 for metal stock 10.In the present embodiment, multiple circular metal bases
Material 10 is connected with each other one material strip (not shown) of composition.Material strip is placed in lower die 24, and keeps one of metal stock 10 fixed
Above forging and stamping chamber 242.It is appreciated that in other embodiments, metal stock 10 can also be placed directly in forging and stamping
In chamber 242.
Step S104: upper mold 22 is moved down to forge and press metal stock 10 and form flange stud blank 30, flange stud hair
Base 30 includes ring flange 32 and tubular cylinder 34.When the first forge die 20 start molding when, 10 stress deformation of metal stock in
Ring flange 32 is formed between the lower surface 223 of upper mold 24 and the bottom surface 2422 of lower die 24, and is stopped by water conservancy diversion fuse 225 along deep pumping
244 inner wall of chamber is downwardly extending tubular cylinder 34.Ring flange 32 includes opposite first end face 323 and second end face 325.The
One end face 323 is generally planar, the substantially conical surface of second end face 325.Tubular cylinder 34 is convexly equipped in second end face 325, and tubulose
Cylinder 34 is substantially vertical with ring flange 32.
Step S105: profiling forging and stamping are carried out to flange stud blank 30 using the second forge die 50, to change ring flange
The shape of 32 first end faces 323 and second end face 325 forges and presses so that the flange stud with specific 3D curved surface ring flange 72 be made
Body 70.Specifically: 72 first end face 722 of ring flange and the of pre-prepared flange stud forging and stamping body 70 is designed according to workpiece surface
The 3D curve form of biend 724.There is provided the second forge die 50 comprising dynamic model 52 and cover half 54.Dynamic model 52 includes direction
The forming surface 522 of cover half 54 and the limit fuse 524 being convexly equipped in forming surface 522, forming surface 522 and preset first end face
722 3D curve form is consistent.Type chamber 542 is formed on cover half 54.Type chamber 542 includes forging and stamping area 5422 and accommodating area 5427.
Forging and pressing area 5422 includes bottom wall 5423 and side wall 5425.The 3D curve form one of bottom wall 5423 and preset second end face 724
It causes.Accommodating area 5427 is opened on bottom wall 5423.Flange stud blank 30 is placed on cover half 54, dynamic model 52 moves into forging and stamping area
In 5422 and flange stud blank 30 is compressed, so that the tubular cylinder 34 of flange stud blank 30 is contained in accommodating area 5427,
And it is positioned at limit fuse 524 in the tubular cylinder 34 of flange stud blank 30.Dynamic model 52 continues to make structure to the movement of cover half 54
It is flowed along the forging and stamping area 5422 to fill the forging and stamping area 5422, to obtain and the molding at the material of flange stud blank 30
The consistent first end face 722 of 522 shape of face and with the consistent second end face 724 of 5422 bottom wall of forging and stamping area, 5423 shape.Herein
In the process, due to flange stud blank 30, intensity becomes larger after the forging and stamping of step S103 and step S104, limits flange spiral shell
The mobility of 30 material of column blank, and limit flowing of the fuse 524 to 30 material of flange stud blank into accommodating area 5427
With restriction effect, therefore, constituting the material of flange stud blank 30 substantially will not be towards flowing in accommodating area 5427, but edge
Forging and stamping area 5422 in flowing with fill forging and stamping area 5422, thus obtain with the consistent first end face 722 of 522 shape of forming surface and with
The consistent second end face 724 of 5422 bottom wall of area, 5423 shape is forged and pressed, and can change the tubular post of flange stud forging and stamping body 70
The tilt angle (referring to Fig. 5) of body 74 and ring flange 72.
Step S106: the curved surface ring flange 82 (referring to Fig. 6) of default outline is obtained by cutting.
Step S107: the end face of finishing tubular cylinder 74.In the present embodiment, using CNC (Computer numerical
Control finishing processing) is carried out to the end face of tubular cylinder 74.
Step S108: to 74 tapping of tubular cylinder to obtain flange stud 80.Flange stud 80 include ring flange 82 and
Tubular cylinder 84.Ring flange 82 includes opposite first end face 822 and second end face 824, wherein the shape of first end face 822
Identical as the shape of first end face 722, the shape of second end face 824 is identical as the shape of second end face 724.The present embodiment is to pipe
The inner wall of shape cylinder 84 carries out tapping.It is appreciated that tapping can also be carried out to the outer wall of tubular cylinder 84.
In the present embodiment, cold forging pressure step S103, is all made of in step S104 and step S105.
Flange stud manufacturing method of the invention is made using circular metal blank 10 by the forging and stamping of the first forge die 20
It obtains part metals blank 10 and flows to deep pumping chamber 244.Since the shape of metal stock 10 is circle, 10 stress of metal stock when forging and stamping
Uniformly, it flows convenient for 10 material of metal stock, therefore, can be made including ring flange 32 and the uniform tubular cylinder 34 of length
Flange stud blank 30.And since ring flange 82 and tubular cylinder 84 are integrally formed, this improves the strong of flange stud 80
The problem of degree, avoids in assembling process, and ring flange 82 and tubular cylinder 84 fall off.In addition, flange stud of the invention manufactures
Method carries out profiling forging and stamping to flange stud blank 30 using the second forge die 50, to change 32 first end face 323 of ring flange
And the shape of second end face 325, so that the flange stud 80 with specific 3D curved surface ring flange 82 be made.Due to flange stud 80
First end face 822 and the shape of second end face 824 and the surface of workpiece be adapted, when assembly has the workpiece of 3D curved surface,
The first end face 822 and second end face 824 of flange stud 80 can be preferably bonded with workpiece surface, to make the work assembled
Part has more preferably appearance.
It is appreciated that step S105 can be omitted, at this time can be directly to flange stud hair when the surface of workpiece is plane
Base 30 carries out tapping, to obtain flange stud 80.
It is appreciated that the dynamic model 52 that step S105 is used can not also include limit fuse 524, it need to only make forming surface 522
Bottom wall 5423 that is consistent with the 3D curve form of preset first end face 323 and making cover half 54 and preset second end face 325
3D curve form it is consistent.
In addition, those skilled in the art can also do other variations in spirit of that invention, certainly, these are smart according to the present invention
The variation that mind is done should be all included in scope of the present invention.
Claims (9)
1. a kind of flange stud manufacturing method comprising following steps:
A circular metal stock is provided, perforation, which is equipped with, on the metal stock keeps away a hole；
First forge die is provided, including upper mold and lower die, the upper mold include existing towards the lower surface of the lower die and projection
Water conservancy diversion fuse on the lower surface offers forging and stamping chamber in the lower die and offers below the forging and stamping chamber and deep takes out chamber；
The metal stock is placed in the lower die, the upper mold move into the forging and stamping it is intracavitary and make the water conservancy diversion fuse pass through the metal base
Material keep away a hole and extend into depth pumping it is intracavitary；
Move down the upper mold with forge and press the metal stock formed flange stud blank, the flange stud blank include ring flange and
Tubular cylinder, the metal stock stress deformation form the ring flange, the ring flange between the lower surface of the upper mold and the lower die
Including opposite first end face and second end face, and stopped to be downwardly extending the pipe along depth pumping cavity wall by the water conservancy diversion fuse
Shape cylinder；
Profiling forging and stamping are carried out to flange stud blank using one second forge die, to change the first end face and the second end face
Shape, thus be made with specific 3D curved surface ring flange flange stud forge and press body；And
To the tubular cylinder tapping to obtain flange stud.
2. flange stud manufacturing method as described in claim 1, it is characterised in that: the upper mold includes the following table towards the lower die
Face, on the lower surface, which is plane around the part of the ring water conservancy diversion fuse for the water conservancy diversion fuse projection.
3. flange stud manufacturing method as described in claim 1, it is characterised in that: using one second forge die to flange spiral shell
The step of column blank progress profiling forging and stamping, specifically includes:
The 3D of first end face and second end face that the ring flange of pre-prepared flange stud forging and stamping body is designed according to workpiece surface is bent
Face shape；
There is provided the second forge die, including dynamic model and cover half, which includes the forming surface towards the cover half, the forming surface and pre-
If flange stud forging and stamping body first end face 3D curve form it is consistent, forging and stamping area and in the forging and stamping area is formed on the cover half
The accommodating area that lower section opens up, which includes bottom wall, the 3D of the second end face of the bottom wall and preset flange stud forging and stamping body
Curve form is consistent；
Flange stud blank is placed on the cover half, which moves into the forging and stamping area and compresses the flange stud blank, with
It is contained in the tubular cylinder in the accommodating area；And
Dynamic model is mobile to cover half, flows the material for constituting flange stud blank along the forging and stamping area to fill the forging and stamping area, from
And flange stud forging and stamping body is obtained, the first end face which forges and presses body is consistent with the forming surface shape, the flange spiral shell
The second end face that column forges and presses body is consistent with the forging and stamping area bottom wall shape.
4. flange stud manufacturing method as claimed in claim 3, it is characterised in that: the dynamic model further includes being convexly equipped in the forming surface
On limit fuse, profiling forge and press when, which is positioned in the tubular cylinder of the flange stud blank, to limit the method
The material of blue stud blank is flowed into the accommodating area.
5. flange stud manufacturing method as claimed in claim 3, it is characterised in that: this is using one second forge die to flange
Stud blank carry out in the step of profiling forging and stamping using cold forging pressure to the first end face of the flange stud blank and second end face into
Row moulding.
6. flange stud manufacturing method as described in claim 1, it is characterised in that: this moves down the upper mold to forge and press the gold
Belong in the step of blank forms flange stud blank and standby flange stud blank is suppressed using cold forging.
7. flange stud manufacturing method as described in claim 1, it is characterised in that: the metal stock is made of aluminium.
8. flange stud manufacturing method as described in claim 1, it is characterised in that: preparing flange stud blank by forging and stamping
It is further comprising the steps of and between the step of to tubular cylinder tapping: the Surface Method of default outline is obtained by cutting
Blue disk.
9. a kind of flange stud, it is characterised in that: the flange stud is by any one flange stud manufacturing method of claim 1-8
It is process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985069.9A CN106914568B (en) | 2015-12-25 | 2015-12-25 | Flange stud and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510985069.9A CN106914568B (en) | 2015-12-25 | 2015-12-25 | Flange stud and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106914568A CN106914568A (en) | 2017-07-04 |
| CN106914568B true CN106914568B (en) | 2019-02-26 |
Family
ID=59457322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510985069.9A Active CN106914568B (en) | 2015-12-25 | 2015-12-25 | Flange stud and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106914568B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1561431A (en) * | 2001-08-03 | 2005-01-05 | 株式会社秋田精密冲压 | Method of manufacturing turbine frame of VGS type turbo charger, turbine frame manufactured by the method, exhaust gas guide assembly of VGS type turbo charger using the turbine frame and VGS type tur |
| CN102407261A (en) * | 2011-11-30 | 2012-04-11 | 泉州中宇卫浴科技实业有限公司 | Flange nut stamping die and method |
| CN103567338A (en) * | 2012-08-06 | 2014-02-12 | 富泰华工业（深圳）有限公司 | Metal element manufacturing method |
| CN104564923A (en) * | 2014-12-31 | 2015-04-29 | 东莞以利沙五金制品有限公司 | T-shaped flange and manufacturing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006239770A (en) * | 2005-03-07 | 2006-09-14 | Daido Steel Co Ltd | Die for forging |
-
2015
- 2015-12-25 CN CN201510985069.9A patent/CN106914568B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1561431A (en) * | 2001-08-03 | 2005-01-05 | 株式会社秋田精密冲压 | Method of manufacturing turbine frame of VGS type turbo charger, turbine frame manufactured by the method, exhaust gas guide assembly of VGS type turbo charger using the turbine frame and VGS type tur |
| CN102407261A (en) * | 2011-11-30 | 2012-04-11 | 泉州中宇卫浴科技实业有限公司 | Flange nut stamping die and method |
| CN103567338A (en) * | 2012-08-06 | 2014-02-12 | 富泰华工业（深圳）有限公司 | Metal element manufacturing method |
| CN104564923A (en) * | 2014-12-31 | 2015-04-29 | 东莞以利沙五金制品有限公司 | T-shaped flange and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106914568A (en) | 2017-07-04 |
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