CN104014711A - Production technology for hexagon head - Google Patents
Production technology for hexagon head Download PDFInfo
- Publication number
- CN104014711A CN104014711A CN201410000182.2A CN201410000182A CN104014711A CN 104014711 A CN104014711 A CN 104014711A CN 201410000182 A CN201410000182 A CN 201410000182A CN 104014711 A CN104014711 A CN 104014711A
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- CN
- China
- Prior art keywords
- head
- cold heading
- production technology
- cold
- cold pier
- Prior art date
- 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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Abstract
The invention relates to a production technology for a hexagon head. After a blank is cut out, primary cold heading is conducted, the upper end of the blank is formed to be a preformed head through cold heading, and the lower end of the blank is formed to be a screw portion through cold heading, wherein the outer edge of the preformed head is semicircular; secondary cold heading is conducted, the preformed head is formed to be the hexagon head through cold heading, the tail end of the screw portion is formed to be a circular truncated cone body through cold heading, and a groove of 90 degrees is formed in the tail portion in a punching mode through cold heading, wherein the diameter of the lower end of the circular truncated cone body is smaller than the diameter of the upper end of the circular truncated cone body; the formed hexogen head is detected. According to the production technology of the hexagon head, the hexagon head is formed through cold heading at a time through two times of cold heading extrusion forming, no special device is used for secondary machining on the groove of 90 degrees in the tail portion of the hexagon head, one-time forming is achieved, the usage rate of the blank is increased, cost is reduced, and the production efficiency is improved.
Description
Technical field
The present invention relates to a kind of production technology of securing member, relate in particular to a kind of production technology of turret head.
Background technology
Bolt is to utilize the inclined-plane circular rotating of object and physics and the mathematical principle of frictional force, the by easy stages instrument of fastening implements parts.Bolt is the general saying of securing member, daily pet phrase.Bolt is industrial necessity indispensable in daily life: as the minimum bolt of the uses such as camera, glasses, clock and watch, electronics; The general bolt of TV, electric product, musical instrument, furniture etc.; As for engineering, building, bridge, use large-sized bolt, nut; Traffic tool, aircraft, electric car, automobile etc. are large stove bolt and use.Bolt is in the industrial vital task of bearing.Existing a kind of turret head, its head is turret head, afterbody at this product need have 90 ° of grooves, 90 ° of grooves of this afterbody need be used special equipment secondary operations, this technique needs turning to fall some stocks, cause the waste of raw material and improved production cost, and its turning processing need to be used different plant equipment, in this process, consumption consuming time is artificial, makes its production efficiency not high.
Summary of the invention
For addressing the above problem, the invention provides the production technology of 90 ° of one-time formed a kind of turret heads of groove of its turret head afterbody in production process.
The present invention solves the technical scheme that its technical problem takes: a kind of production technology of turret head, comprises the following steps:
A) cut material, according to the cylindrical stock of the suitable size of required size intercepting;
B) cold pier for the first time, is shaped to a preformed head by the upper end Leng Dun of described stock, and the lower end Leng Dun of above-mentioned stock is shaped to threaded shank, and the outer rim of described preformed head is semicircle;
C) cold pier for the second time, is shaped to turret head by the cold pier of described preformed head, and the cold pier of the afterbody of described threaded shank is shaped to plane section cone, and the diameter of its lower end is less than the diameter of upper end, and cold pier punch forming is 90 ° of grooves on described afterbody;
D) check, tests to the turret head of moulding.
Further, the cold pier extrusion modling at described step b, c is realized by a multistation Cold header.
Beneficial effect of the present invention: the production technology of a kind of turret head of the present invention, by twice cold pier extrusion modling by product once cold pier complete moulding, without the secondary operations to 90 ° of grooves of turret head product afterbody with special equipment, disposal molding, improved the utilization rate of stock, reduced cost and improved production efficiency.
The specific embodiment
A production technology for turret head, comprises the following steps:
A) cut material, according to the cylindrical stock of the suitable size of required size intercepting;
B) cold pier for the first time, is shaped to a preformed head by the upper end Leng Dun of described stock, and the lower end Leng Dun of above-mentioned stock is shaped to threaded shank, and the outer rim of described preformed head is semicircle;
C) cold pier for the second time, is shaped to turret head by the cold pier of described preformed head, and the cold pier of the afterbody of described threaded shank is shaped to plane section cone, and the diameter of its lower end is less than the diameter of upper end, and cold pier punch forming is 90 ° of grooves on described afterbody;
D) check, tests to the turret head of moulding.
Further, the cold pier extrusion modling at described step b, c is realized by a multistation Cold header.
It is emphasized that, it is more than preferred embodiment of the present invention, not the present invention is done to any type of restriction in appearance, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (2)
1. a production technology for turret head, is characterized in that: comprise the following steps:
A) cut material, according to the cylindrical stock of the suitable size of required size intercepting;
B) cold pier for the first time, is shaped to a preformed head by the upper end Leng Dun of described stock, and the lower end Leng Dun of above-mentioned stock is shaped to threaded shank, and the outer rim of described preformed head is semicircle;
C) cold pier for the second time, is shaped to turret head by the cold pier of described preformed head, and the cold pier of the afterbody of described threaded shank is shaped to plane section cone, and the diameter of its lower end is less than the diameter of upper end, and cold pier punch forming is 90 ° of grooves on described afterbody;
D) check, tests to the turret head of moulding.
2. the production technology of a kind of turret head according to claim 1, is characterized in that: the cold pier extrusion modling at described step b, c is realized by a multistation Cold header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000182.2A CN104014711A (en) | 2014-01-02 | 2014-01-02 | Production technology for hexagon head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410000182.2A CN104014711A (en) | 2014-01-02 | 2014-01-02 | Production technology for hexagon head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104014711A true CN104014711A (en) | 2014-09-03 |
Family
ID=51431868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410000182.2A Pending CN104014711A (en) | 2014-01-02 | 2014-01-02 | Production technology for hexagon head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104014711A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108208A (en) * | 2018-06-30 | 2019-01-01 | 中国航空工业标准件制造有限责任公司 | A kind of plastic molding method of the interior hexagonal hole of slender rod piece |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10162858A1 (en) * | 2001-12-13 | 2003-06-26 | Ulrich Neixler | Metal machine bolt has at least one recess in cylindrical surface region with its longitudinal axis at angle other than zero to vertical to bolt's longitudinal axis |
| US20090017925A1 (en) * | 2003-09-08 | 2009-01-15 | Amafa Service S.R.I. | Method for the cold extrusion of bolts, in particular for fastening the cutting blades of mowers or the like |
| CN102152064A (en) * | 2010-11-29 | 2011-08-17 | 宁波拓隆精密模具有限公司 | Method for manufacturing high-intensity internal multi-tooth hexagonal-head flange-face bolt |
| CN102335712A (en) * | 2011-06-15 | 2012-02-01 | 宁波达峰机械有限公司 | Method for forming bolt head for automobile fastener |
| CN102501021A (en) * | 2011-11-10 | 2012-06-20 | 深圳航空标准件有限公司 | Machining method for screws of dovetail grooves and cold-upsetting die of machining method |
| CN202343826U (en) * | 2011-10-27 | 2012-07-25 | 河南航天精工制造有限公司 | Cold heading processing device for high-strength self-locking nuts |
| CN202348907U (en) * | 2011-12-01 | 2012-07-25 | 山东高强紧固件有限公司 | Flywheel bolt for engine |
-
2014
- 2014-01-02 CN CN201410000182.2A patent/CN104014711A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10162858A1 (en) * | 2001-12-13 | 2003-06-26 | Ulrich Neixler | Metal machine bolt has at least one recess in cylindrical surface region with its longitudinal axis at angle other than zero to vertical to bolt's longitudinal axis |
| US20090017925A1 (en) * | 2003-09-08 | 2009-01-15 | Amafa Service S.R.I. | Method for the cold extrusion of bolts, in particular for fastening the cutting blades of mowers or the like |
| CN102152064A (en) * | 2010-11-29 | 2011-08-17 | 宁波拓隆精密模具有限公司 | Method for manufacturing high-intensity internal multi-tooth hexagonal-head flange-face bolt |
| CN102335712A (en) * | 2011-06-15 | 2012-02-01 | 宁波达峰机械有限公司 | Method for forming bolt head for automobile fastener |
| CN202343826U (en) * | 2011-10-27 | 2012-07-25 | 河南航天精工制造有限公司 | Cold heading processing device for high-strength self-locking nuts |
| CN102501021A (en) * | 2011-11-10 | 2012-06-20 | 深圳航空标准件有限公司 | Machining method for screws of dovetail grooves and cold-upsetting die of machining method |
| CN202348907U (en) * | 2011-12-01 | 2012-07-25 | 山东高强紧固件有限公司 | Flywheel bolt for engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108208A (en) * | 2018-06-30 | 2019-01-01 | 中国航空工业标准件制造有限责任公司 | A kind of plastic molding method of the interior hexagonal hole of slender rod piece |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140903 |