CN106424499B - A kind of manufacturing method of airbag igniter blank - Google Patents
A kind of manufacturing method of airbag igniter blank Download PDFInfo
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- CN106424499B CN106424499B CN201610933795.0A CN201610933795A CN106424499B CN 106424499 B CN106424499 B CN 106424499B CN 201610933795 A CN201610933795 A CN 201610933795A CN 106424499 B CN106424499 B CN 106424499B
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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
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention discloses a kind of manufacturing method of airbag igniter blank, airbag igniter blank has following shape design：It includes protruding the oblate column in centre and the ring flange around oblate column that, which there are flange head, flange head in head, there is a circle arc groove between ring flange and oblate column；Rear portion cylindrical sleeves have endoporus, the bottom of endoporus to have anti-salient point in cylindrical sleeves.The present invention carries out the complete molding of airbag igniter blank in cold header, does not have to secondary operation again.Present invention reduces the losses of material head, material tail, reduce the lathe surplus of the large area such as endoporus so that raw material loss reduces by 50%, to reduce cost；Using the continuously shaped production of multi-station cold-heading, speed of production can reach 45PCS/ minutes, and average daily production 18000PCS, production efficiency promotes 78 times than originally, and greatly reduce the cost of investment of human and material resources, greatly improve production efficiency.
Description
Technical field
The present invention relates to a kind of multi-station cold-heading technical fields, and in particular to a kind of airbag igniter blank it is more
Station cold-heading one-pass molding method field of manufacturing.
Background technology
Igniter is part important in safe automobile air bag igniter.The country mostly uses directly this product manufacturing at present
Bar or hot upsetting production, carry out the mode that full vehicle repaiies processing, every comprehensive performance of process equipment and product cannot be satisfied
The requirement of domestic and international market, production not only waste material, but also process is complicated, difficulty of processing is big, efficiency is low, quality also no
Ensure to corresponding.
Invention content
The technical problem to be solved in the present invention is to provide a kind of manufacturing methods of safe automobile air bag igniter blank, adopt
Production cost is reduced, is improved product quality and production efficiency to be saved raw material with multi-station cold-heading one-shaping technique.For
It solves the above problems, the technical scheme is that：
A kind of manufacturing method of safe automobile air bag igniter blank, it is characterised in that its use disk circle material cold-heading at
The molding procedure that igniter blank is carried out in type machine, specifically includes following steps：
（1）, disk is justified to material automatic shearing is sent into cold header into single igniter blank raw material part by feed wheel,
The diameter of the disk circle material is consistent with the outer diameter of igniter blank rear portion cylindrical sleeves, and the length of igniter blank raw material part is omited
It is shorter than the length of igniter blank；
（2）, igniter blank raw material part transferred into the No.1 mold mouth into cold header, by rushing for No.1 die nose
Tool heads into igniter blank raw material part in No.1 female die of die, is manufactured through the cold-heading in No.1 mold, No.1 is made to be molded as
Product both ends of the surface upsetting is flat, and upsetting goes out arc chord angle in bottom end；
（3）, the overturning of No.1 molded product moved on into No. two mold mouths, No.1 is molded as by the tool that rushes of No. two die noses
Product head into No. two female die of die, are manufactured through the cold-heading in No. two molds, the front end face upsetting of No. two molded products is made to go out first
Location hole, rear end upsetting go out arc chord angle；
（4）, No. two molded products are moved into No. three mold mouths, stick is rushed by No. two molded products by No. three die noses
It heads into No. three female die of die, is manufactured through the cold-heading in No. three molds, No. three molded product front end upsettings is made to go out the first counterbore, and
Beam bar is carried out in rear end, the diameter of beam bar portion position is consistent with the oblate column diameter of protrusion of igniter blank flange head, beam bar portion
The height of position is suitable with the flat cylinder height of protrusion of igniter blank flange head, beam bar portion position and No. three molded product main bodys it
Between have a circular arc shoulder, the depth of the first counterbore be less than the depth of igniter blank rear portion endoporus, the first counterbore diameter and point
The diameter of firearm blank rear portion endoporus is suitable, and the entire length of No. three molded products is more than the length of igniter blank；
（5）, the overturning of No. three molded products moved on into No. four mold mouths, No. three are molded as by the tool that rushes of No. four die noses
Product head into No. four female die of die, are manufactured through the cold-heading in No. four molds, and the head of No. four molded products is made to form igniter
The head flanges head of blank, and entire length is less than the length of igniter blank, the flange head includes protrusion at center
The oblate column at position and ring flange around oblate column, there is a circle arc groove between ring flange and oblate column；
（6）, No. four molded products are moved on into No. five mold mouths, tool is rushed by No. four molded product tops by No. five die noses
Enter in No. five female die of die, manufactured through the cold-heading in No. five molds, the anti-salient point of igniter blank is made, it is heavy to extend first
The depth in hole extends No. four molded product length to igniter blank length to the depth of igniter blank rear portion endoporus,
The airbag igniter blank of final molding is made.
Beneficial effects of the present invention：
（1）, using disk raw material replace straight bar and fracture, multi-station cold-heading quantity-produced requirement can be completed, reduced
Material head, the loss for expecting tail, while using after multi-station cold-heading one-pass molding, the vehicle for reducing the large area such as endoporus repaiies surplus, makes
Obtaining raw material loss reduces by 50%, to reduce cost；
（2）, using the continuously shaped production of multi-station cold-heading, speed of production can reach 45PCS/ minutes, average daily production
18000PCS, production efficiency promote 7-8 times than originally, and greatly reduce the cost of investment of human and material resources, greatly improve life
Produce efficiency.
Description of the drawings
Fig. 1 is the multi-station cold-heading one-shot forming production technology flow chart of the present invention.
Specific implementation mode
With reference to attached drawing.The manufacturing method of safe automobile air bag igniter blank provided by the invention, using steel billet materials
Then first spheroidizing carries out phosphate surface processing, be slightly pumped into disk circle material, then the disk circle material after thick take out is again passed by nodularization
Annealing, phosphate coating processing, essence take out sizing processing, and the molding procedure of igniter blank is finally carried out in cold header,
Specifically include following steps：
（1）, by essence take out sizing after disk circle material by feed wheel be sent into cold header in automatic shearing at single igniting
The diameter of device blank raw material part 100, the disk circle material is consistent with the outer diameter of igniter blank rear portion cylindrical sleeves 52, igniter
Length of the length of blank raw material part 100 slightly than igniter blank 5 is short.
（2）, igniter blank raw material part 100 is transferred with mechanical clamp to No.1 mold mouth into cold header automatically,
Igniter blank raw material part 100 is headed into No.1 female die of die by the tool that rushes of No.1 die nose, since there is top in cavity plate rear end
The inner wall of bar, female bottom has arc chord angle, in the case where punching tool applies stressed extruding, keeps the 1 both ends of the surface upsetting of No.1 molded product flat, and
In bottom end, upsetting goes out arc chord angle 11.
（3）, No.1 molded product 1 moved on into No. two mold mouths with mechanical clamp automatic turning, by No. two die noses
Punching tool heads into No.1 molded product 1 in No. two female die of die, and since arc chord angle is arranged at the inner wall bottom of cavity plate, the front end for rushing stick has
Protrusion step, punching tool apply stressed extruding under, make the front end face upsetting of No. two molded products 2 go out first positioning hole 21, after
End upsetting goes out arc chord angle 22.
（4）, by No. two molded products 2 mechanical clamp auto-translatings to No. three mold mouths, by rushing for No. three die noses
Stick heads into No. two molded products 2 in No. three female die of die, in the case where punching tool applies stressed extruding, before making No. three molded products 3
End upsetting goes out the first counterbore 31, and carries out beam bar in rear end, and the diameter of beam bar portion position 32 is convex with igniter blank flange head 51
Go out that 511 diameter of oblate column is consistent, the height of beam bar portion position 32 and oblate 511 height of column of the protrusion of igniter blank flange head 51
Quite, circular arc shoulder 33, the depth of the first counterbore 31 are less than igniter between beam bar portion position 32 and No. three molded product main bodys
The diameter of the depth of blank rear portion endoporus 53, the diameter of the first counterbore 31 and igniter blank rear portion endoporus 53 is suitable, and three
The entire length of number molded product 3 is more than the length of igniter blank 5.
（5）, No. three molded products 3 are moved on into No. four mold mouths with mechanical clamp automatic turning, by No. four die noses
Punching tool heads into No. three molded products 3 in No. four female die of die, continues to press due to punching tool, and has T shape tube tops to live below, makes
The head of No. four molded products 4 forms the head flanges head 51 of igniter blank 5, and entire length is less than igniter blank
5 length, the flange head 51 include oblate column 511 of the protrusion in centre and the ring flange around oblate column 511
512, there is a circle arc groove 513 between ring flange 512 and oblate column 511；
Also it can increase mold together between above-mentioned No. three moulds and above-mentioned No. four moulds, to carry out turning over for No. three molded products 3
Turn.
（6）, No. four molded products 4 are moved on into No. five mold mouths, tool is rushed by No. four molded products 4 by No. five die noses
It heads into No. five female die of die, continues to press due to punching tool, while being molded as with the projection cone of mandril in cavity plate and No. four
31 bottom of the first counterbore of product 4 contacts, and the anti-salient point 54 of igniter blank is made, and the depth for extending the first counterbore 31 is extremely lighted a fire
The depth of device blank rear portion endoporus 53, extend No. four 4 length of molded product to 5 length of igniter blank, be made finally at
The airbag igniter blank 5 of type.Airbag igniter blank 5 has following shape design：There is flange head on head
51, the flange head 51 includes oblate column 511 of the protrusion in centre and the ring flange 512 around oblate column 511, flange
There is a circle arc groove 513 between disk 512 and oblate column 511；Rear portion cylindrical sleeves 52 have endoporus 53 in cylindrical sleeves 52, interior
Anti- salient point 54 is arranged at the bottom in hole 53.
Above is only a specific embodiment of the present invention, but the structure feature of the present invention is not limited thereto, Ren Heben
The technical staff in field in the field of the invention, made by changes or modifications all cover among protection scope of the present invention.
Claims (1)
1. a kind of manufacturing method of safe automobile air bag igniter blank, it is characterised in that it uses disk circle material in cold-heading molding
The molding procedure that igniter blank is carried out in machine, specifically includes following steps：
（1）, by disk justify material by feed wheel be sent into cold header in automatic shearing at single igniter blank raw material part, it is described
The diameter of disk circle material is consistent with the outer diameter of igniter blank rear portion cylindrical sleeves, and the length of igniter blank raw material part is slightly than point
The length of firearm blank is short；
（2）, igniter blank raw material part transferred into the No.1 mold mouth into cold header, will by the tool that rushes of No.1 die nose
Igniter blank raw material part heads into No.1 female die of die, is manufactured through the cold-heading in No.1 mold, makes No.1 molded product two
End face upsetting is flat, and upsetting goes out arc chord angle in bottom end；
（3）, the overturning of No.1 molded product moved on into No. two mold mouths, tool is rushed by No.1 molded product top by No. two die noses
Enter in No. two female die of die, is manufactured through the cold-heading in No. two molds, the front end face upsetting of No. two molded products is made to go out the first positioning
Hole, rear end upsetting go out arc chord angle；
（4）, No. two molded products are moved into No. three mold mouths, No. two molded products are headed by the stick that rushes of No. three die noses
In No. three female die of die, is manufactured through the cold-heading in No. three molds, so that No. three molded product front end upsettings is gone out the first counterbore, and rear
End carries out beam bar, and the diameter of beam bar portion position is consistent with the oblate column diameter of protrusion of igniter blank flange head, beam bar portion position
Height is suitable with the flat cylinder height of protrusion of igniter blank flange head, has between beam bar portion position and No. three molded product main bodys
Circular arc shoulder, the depth of the first counterbore is less than the depth of igniter blank rear portion endoporus, the diameter and igniter of the first counterbore
The diameter of blank rear portion endoporus is suitable, and the entire length of No. three molded products is more than the length of igniter blank；
（5）, the overturning of No. three molded products moved on into No. four mold mouths, tool is rushed by No. three molded product tops by No. four die noses
Enter in No. four female die of die, manufactured through the cold-heading in No. four molds, the head of No. four molded products is made to form igniter blank
The head flanges head of part, and entire length is less than the length of igniter blank, the flange head includes protrusion in centre
Oblate column and ring flange around oblate column, have a circle arc groove between ring flange and oblate column；
（6）, No. four molded products are moved on into No. five mold mouths, No. four molded products are headed into five by the tool that rushes of No. five die noses
It in number female die of die, is manufactured through the cold-heading in No. five molds, the anti-salient point of igniter blank is made, extend the first counterbore
Depth extends No. four molded product length to igniter blank length, is made to the depth of igniter blank rear portion endoporus
The airbag igniter blank of final molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933795.0A CN106424499B (en) | 2016-10-25 | 2016-10-25 | A kind of manufacturing method of airbag igniter blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933795.0A CN106424499B (en) | 2016-10-25 | 2016-10-25 | A kind of manufacturing method of airbag igniter blank |
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| Publication Number | Publication Date |
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| CN106424499A CN106424499A (en) | 2017-02-22 |
| CN106424499B true CN106424499B (en) | 2018-10-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109093328A (en) * | 2018-07-24 | 2018-12-28 | 宁波安拓实业有限公司 | The manufacturing method of automobile chassis suspension bushing |
| CN109013996B (en) * | 2018-09-06 | 2023-08-01 | 宁波思明汽车附件有限公司 | Cold heading molding inflating valve and molding process thereof |
| CN109848361B (en) * | 2019-03-20 | 2020-04-14 | 宁波安拓实业有限公司 | Method for manufacturing T-shaped elliptical inner sleeve blank for automobile |
| CN112719178B (en) * | 2020-11-19 | 2022-12-09 | 宁波安拓实业有限公司 | Method for manufacturing bearing pin for welding of vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07284875A (en) * | 1994-04-14 | 1995-10-31 | Aida Eng Ltd | Plastic working method |
| JPH091274A (en) * | 1995-06-19 | 1997-01-07 | Toyota Motor Corp | Fully enclosed forging die construction |
| CN1075749C (en) * | 1998-10-27 | 2001-12-05 | 机械工业部北京机电研究所 | Cold-forging forming method for cover of gas generator of car safety air-bag |
| CN101284300A (en) * | 2008-05-04 | 2008-10-15 | 江苏飞船股份有限公司 | Method for forming gland of safety air bag gas generator |
| CN101618421B (en) * | 2009-07-17 | 2011-04-27 | 宁波安拓实业有限公司 | Multi-station cold-heading molding method of clutch conical blank |
| CN102125944B (en) * | 2010-11-29 | 2013-02-13 | 宁波安拓实业有限公司 | Process for producing pneumatic joint core |
| CN104646966B (en) * | 2015-02-11 | 2017-05-31 | 宁波安拓实业有限公司 | The manufacture method of igniter case |
| CN105562575B (en) * | 2015-12-01 | 2017-12-22 | 余姚市菲龙金属制品有限公司 | The processing method of electric heater blowdown plug cold-heading |
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