CN104148573A - Bolt hexagonal flange surface machining method and device - Google Patents
Bolt hexagonal flange surface machining method and device Download PDFInfo
- Publication number
- CN104148573A CN104148573A CN201410288177.6A CN201410288177A CN104148573A CN 104148573 A CN104148573 A CN 104148573A CN 201410288177 A CN201410288177 A CN 201410288177A CN 104148573 A CN104148573 A CN 104148573A
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- Prior art keywords
- hexagonal flange
- bolt
- core rod
- hexagonal
- cylindrical
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Abstract
The invention discloses a bolt hexagonal flange surface machining method and device. According to the method, the small-diameter end of a bolt blank to be machined is inserted into a positioning hole of a mold core, axial force is applied to the taper small-diameter end of the bolt blank to enable the taper diameter external circle of the bolt blank to be squeezed into a hexagonal hole of a hexagonal flange surface mold forcefully, and then the purpose that a hexagonal flange surface is extruded out from the taper external circle of the bolt blank is realized. According to the prior art, mill-forming is conducted after turning, and it takes 8.6 minutes to machine one workpiece. According to the bolt hexagonal flange surface machining method and device, milling which is conducted after turning in the prior art is replaced with upset-extruding, and 45 workpieces can be machined per minute. Thus, machining efficiency is improved greatly, machining cost is reduced, and favorable conditions are created for bulk production.
Description
Technical field
The method and all devices that the present invention relates to a kind of processing of bolt hexagonal flange, belong to extrusion forming technology field.
Background technology
Have a kind of bolt part, its head is hexagonal and ring flange composition, and hex surface and ring flange profile and axis are symmetrical, and head configuration is hexagonal flange, hexagonal so that with instrument by bolt tightening; Ring flange is as packing ring use, enlarge active surface.Processing hexagon flange bolt is normally with being milled into type after pole turning at present.Because every processing all will be passed through turning operation and milling operation, therefore, in actual production, its process velocity is slow, every of process velocity 8.6 minutes, and production efficiency is low.Can not meet the requirement of batch production, urgent need will be enhanced productivity.
Summary of the invention
The object of the invention is to, a kind of processing method and equipment therefor of bolt hexagonal flange is provided.After solving turning, carry out the low problem of milling hexagonal flange working (machining) efficiency, enhance productivity, meet the requirement of batch production.
Technical scheme of the present invention:
A kind of processing method of bolt hexagonal flange, the method is the smaller diameter end of bolt blank to be processed to be inserted to the locating hole of core rod, at the tapering smaller diameter end axial force distribution of bolt blank, make the tapering diameter cylindrical of bolt blank clamp-on by force the hexagon ring of hexagonal flange face mould, and reach the object of extruding hexagonal flange at the tapering cylindrical of bolt blank.
In the processing method of aforementioned bolt hexagonal flange, described core rod and hexagonal flange face mould all adopt carbide alloy manufacture, and core rod is provided with core rod cover outward, and hexagonal flange face mould peripheral hardware has die sleeve; The locating hole polishing of core rod, its roughness R
z≤ 0.8 μ m.
In the processing method of aforementioned bolt hexagonal flange, described bolt blank to be processed is the step-like cylinder of tapering, and step-like cylindrical smaller diameter end is inserted in locating hole.The cylindrical smaller diameter end of step-like tapering pours the hexagon ring of hexagonal flange face mould by being arranged on the drift of automatic cold header, make the cylindrical cylindrical of tapering of bolt blank produce distortion, squeeze out hexagonal flange at the cylindrical cylindrical of tapering of bolt blank.
In the processing method of aforementioned bolt hexagonal flange, the cylindrical cylindrical of the tapering of described bolt blank is clamp-oned after the hexagonal endoporus of hexagonal flange face mould by force, by push rod, bolt blank is ejected to hexagonal hole.
The processing method device used of aforementioned bolt hexagonal flange, comprises the hexagonal punch pin and the hexagonal flange face mould that are arranged in upper punch cover; Hexagonal flange face mould below is provided with core rod, and core rod is provided with core rod cover, and core rod below is provided with die-cushion, is provided with push rod in die-cushion; Core rod cover and die-cushion are provided with die sleeve outward.
In aforementioned means, described hexagonal flange face mould is that hexagonal flange is step-like, and core rod is that cylinder is step-like, and the hexagonal flange shaft core line of hexagonal flange face mould is provided with hexagon ring; The cylinder axis of core rod is provided with locating hole.
In aforementioned means, the aperture of described locating hole is corresponding with the minor diameter outside diameter of bolt blank, the roughness R of locating hole
z≤ 0.8 μ m.
In aforementioned means, described core rod and hexagonal flange face mould are carbide alloy product.
Adopt the effect of the technical program: compared with prior art, prior art is the method that is milled into type after employing turning,
Needs of every processing 8.6 minutes.The present invention changes the processing of turnning and milling hexagonal flange into upsetting squeeze
The processing of hexagonal flange, per minutely processes 45, has improved greatly working (machining) efficiency, has reduced processing cost, for advantage has been created in batch production.
Brief description of the drawings
Fig. 1-1, Fig. 1-2, Fig. 1-3rd, the schematic flow sheet of this method;
Fig. 2 is blank figure to be processed;
Fig. 3 is the part drawing of machine-shaping;
Fig. 4 is the structural representation of this method equipment therefor;
Fig. 5 is the discrete part figure of this method equipment therefor;
In figure: 1-upper punch cover, 2-hexagonal punch pin, 3-hexagonal flange face mould, 4-core rod, 5-core rod cover, 6-die-cushion, 7-push rod, 8-die sleeve, 9-hexagon ring, 10-locating hole, 11-small end conicity diameter, 12-bolt blank, 13-blank smaller diameter end,
14-turret head flange face.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, but not as any limitation of the invention.
Embodiment.As shown in Figure 2, bolt blank 12 is step-like cone to the present invention's bolt blank to be processed, comprises blank smaller diameter end 13 and small end conicity diameter 11.The surface of blank 12 cones is taper seat.The processing method of bolt hexagonal flange of the present invention, as shown in Figure 1, the method is that bolt blank 12 to be processed is inserted in the locating hole 10 of core rod 4, at the tapering smaller diameter end 11 axial force distribution F of bolt blank, make the tapering diameter cylindrical of bolt blank clamp-on by force the hexagon ring 9 of hexagonal flange face mould 3, and reach the object of extruding hexagonal flange at the tapering cylindrical of bolt blank.By hexagonal punch pin 2 and push rod 7, bolt blank is ejected to hexagonal hole and core rod 4.As shown in Figure 3, the outer round surface of bolt blank 12 cones is forced out hexagonal flange 14 to part after machining.Described core rod 4 and hexagonal flange face mould 3 all adopt carbide alloy manufacture, the outer 5 core rod covers that are provided with of core rod 4, the outer upper punch cover 1 that is provided with of hexagonal flange face mould 3; Locating hole 10 polishings of core rod 4, its roughness R
z≤ 0.8 μ m.Described bolt blank to be processed is the step-like cylinder of tapering, step-like cylindrical smaller diameter end 13 is inserted in locating hole 10, the cylindrical smaller diameter end 11 of step-like tapering pours the hexagon ring 9 of hexagonal flange face mould 3 by being arranged on the drift 2 of automatic cold header, make the cylindrical cylindrical of tapering of bolt blank produce distortion, squeeze out hexagonal flange 14 at the cylindrical cylindrical of tapering of bolt blank.
The present invention's device used as shown in Figure 4 and Figure 5, comprises the hexagonal punch pin 2 and the hexagonal flange face mould 3 that are arranged in upper punch cover 1; Hexagonal flange face mould 3 belows are provided with core rod 4, and core rod 4 is provided with core rod cover 5, and core rod 4 belows are provided with die-cushion 6, are provided with push rod 7 in die-cushion 6; The outer die sleeve 8 that is provided with of core rod cover 5 and die-cushion 6.Described hexagonal flange face mould 3 is that hexagonal flange is step-like, and core rod 4 is that cylinder is step-like, and the hexagonal flange shaft core line of hexagonal flange face mould 3 is provided with hexagon ring 9; The cylinder axis of core rod 4 is provided with locating hole 10.The aperture of described locating hole 10 is corresponding with the minor diameter outside diameter of bolt blank, the roughness R of locating hole 10
z≤ 0.8 μ m.Described core rod 4 and hexagonal flange face mould 3 are carbide alloy product.
Claims (8)
1. the processing method of a bolt hexagonal flange, it is characterized in that: the method is the smaller diameter end of bolt blank to be processed to be inserted to the locating hole of core rod, at the tapering smaller diameter end axial force distribution of bolt blank, make the tapering diameter cylindrical of bolt blank clamp-on by force the hexagon ring of hexagonal flange face mould, and reach the object of extruding hexagonal flange at the tapering cylindrical of bolt blank.
2. the processing method of bolt hexagonal flange according to claim 1, is characterized in that: described core rod and hexagonal flange face mould all adopt carbide alloy manufacture, and core rod is provided with core rod cover outward, and hexagonal flange face mould peripheral hardware has die sleeve; The locating hole polishing of core rod, its roughness R
z≤ 0.8 μ m.
3. the processing method of bolt hexagonal flange according to claim 1, it is characterized in that: described bolt blank to be processed is the step-like cylinder of tapering, step-like cylindrical smaller diameter end is inserted in locating hole, the cylindrical smaller diameter end of step-like tapering pours the hexagon ring of hexagonal flange face mould by being arranged on the drift of automatic cold header, make the cylindrical cylindrical of tapering of bolt blank produce distortion, squeeze out hexagonal flange at the cylindrical cylindrical of tapering of bolt blank.
4. the processing method of bolt hexagonal flange according to claim 1, is characterized in that: the cylindrical cylindrical of tapering of described bolt blank is clamp-oned after the hexagonal endoporus of hexagonal flange face mould by force, by push rod, bolt blank is ejected to hexagonal hole.
5. the processing method of bolt hexagonal flange according to claim 1 device used, is characterized in that: it comprises the hexagonal punch pin (2) and the hexagonal flange face mould (3) that are arranged in upper punch cover (1); Hexagonal flange face mould (3) below is provided with core rod (4), and core rod (4) is provided with core rod cover (5), and core rod (4) below is provided with die-cushion (6), is provided with push rod (7) in die-cushion (6); The outer die sleeve (8) that is provided with of core rod cover (5) and die-cushion (6).
6. device according to claim 5, is characterized in that: described hexagonal flange face mould (3) is step-like for hexagonal flange, and core rod (4) is that cylinder is step-like, and the hexagonal flange shaft core line of hexagonal flange face mould is provided with hexagon ring (9); The cylinder axis of core rod (4) is provided with locating hole (10).
7. device according to claim 6, is characterized in that: the aperture of described locating hole (10) is corresponding with the minor diameter outside diameter of bolt blank, the roughness R of locating hole (10)
z≤ 0.8 μ m.
8. according to the device described in claim 5 or 6, it is characterized in that: described core rod (4) and hexagonal flange face mould (3) are carbide alloy product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410288177.6A CN104148573A (en) | 2014-06-25 | 2014-06-25 | Bolt hexagonal flange surface machining method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410288177.6A CN104148573A (en) | 2014-06-25 | 2014-06-25 | Bolt hexagonal flange surface machining method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104148573A true CN104148573A (en) | 2014-11-19 |
Family
ID=51874305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410288177.6A Pending CN104148573A (en) | 2014-06-25 | 2014-06-25 | Bolt hexagonal flange surface machining method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104148573A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478650A (en) * | 2015-12-11 | 2016-04-13 | 中国航空工业标准件制造有限责任公司 | Method for thermally upsetting and forming flange plate bolt head |
| CN107983895A (en) * | 2017-11-29 | 2018-05-04 | 中国航空工业标准件制造有限责任公司 | The performing hot-heading forming method of head super thick flange bolt |
| CN109648336A (en) * | 2018-12-11 | 2019-04-19 | 贵州航天精工制造有限公司 | A kind of processing unit (plant) and processing method of all-metal hexagon flange bolt |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6815040A (en) * | 1968-10-21 | 1970-04-23 | Forming of multi shaped metal object | |
| JPS55120443A (en) * | 1979-03-07 | 1980-09-16 | Mitsuhide Majima | Production of special bolt |
| CN201979033U (en) * | 2010-03-30 | 2011-09-21 | 日泰（上海）汽车标准件有限公司 | Screw bolt mold for filter |
| CN102601289A (en) * | 2012-03-21 | 2012-07-25 | 苏州新凌电炉有限公司 | Forming die for hexagon flange bolts with teeth |
| CN203508903U (en) * | 2013-10-30 | 2014-04-02 | 威德车业部件有限公司 | Bolt hot upsetting forming mold |
-
2014
- 2014-06-25 CN CN201410288177.6A patent/CN104148573A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6815040A (en) * | 1968-10-21 | 1970-04-23 | Forming of multi shaped metal object | |
| JPS55120443A (en) * | 1979-03-07 | 1980-09-16 | Mitsuhide Majima | Production of special bolt |
| CN201979033U (en) * | 2010-03-30 | 2011-09-21 | 日泰（上海）汽车标准件有限公司 | Screw bolt mold for filter |
| CN102601289A (en) * | 2012-03-21 | 2012-07-25 | 苏州新凌电炉有限公司 | Forming die for hexagon flange bolts with teeth |
| CN203508903U (en) * | 2013-10-30 | 2014-04-02 | 威德车业部件有限公司 | Bolt hot upsetting forming mold |
Non-Patent Citations (1)
| Title |
|---|
| 日本塑性加工学会: "《压力加工手册》", 31 October 1984, article "冷锻", pages: 805 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478650A (en) * | 2015-12-11 | 2016-04-13 | 中国航空工业标准件制造有限责任公司 | Method for thermally upsetting and forming flange plate bolt head |
| CN107983895A (en) * | 2017-11-29 | 2018-05-04 | 中国航空工业标准件制造有限责任公司 | The performing hot-heading forming method of head super thick flange bolt |
| CN109648336A (en) * | 2018-12-11 | 2019-04-19 | 贵州航天精工制造有限公司 | A kind of processing unit (plant) and processing method of all-metal hexagon flange bolt |
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Application publication date: 20141119 |