CN106345958A - Molding method for angled screw cap of airplane - Google Patents

Molding method for angled screw cap of airplane Download PDF

Info

Publication number
CN106345958A
CN106345958A CN201611081637.3A CN201611081637A CN106345958A CN 106345958 A CN106345958 A CN 106345958A CN 201611081637 A CN201611081637 A CN 201611081637A CN 106345958 A CN106345958 A CN 106345958A
Authority
CN
China
Prior art keywords
former
upsetting
blank
mold
cutter
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.)
Pending
Application number
CN201611081637.3A
Other languages
Chinese (zh)
Inventor
芦杰
刘拥军
徐健宇
汪蕾
任大为
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Hongdu Aviation Industry Group Co Ltd
Original Assignee
Jiangxi Hongdu Aviation Industry Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangxi Hongdu Aviation Industry Group Co Ltd filed Critical Jiangxi Hongdu Aviation Industry Group Co Ltd
Priority to CN201611081637.3A priority Critical patent/CN106345958A/en
Publication of CN106345958A publication Critical patent/CN106345958A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/02Dies or mountings therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/02Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/14Dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/08Accessories for handling work or tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21KMAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K1/00Making machine elements
    • B21K1/64Making machine elements nuts

Abstract

The invention relates to amolding method for an angledscrew capofan airplane, which is mainly used for connecting sheet metal parts of the airplane. A cold upsetting mold is arranged on a cold upsetting machine; a blank is conveyed into a cutting bushing through a pulley, and is then conveyed to a female mold through a cutter, so that the blank and the female mold are kept on the same horizontal line; when the blank slightly enters the female mold, the cutter gets back to an original position, and the blank is upset into the female mold through a stamping mold I, so that the blank is pressed against a female mold mandrel; when the stamping mold I moves forwards continually, the blank is pre-molded by aprimary upsetting master mold on the head part of a workpiece, so that the head part of the workpiece becomes an eccentric mushroom head shape; after the end of pre-molding, the stamping mold I and a stamping mold II move vertically through a slide block on a machine tool, and the stamping mold II is conveyed onto an upsetting line, so that finial upsetting is performed on the head, and the upset workpiece is pushed out of the female mold mandrel; meanwhile, a charging roller starts to rotate, so that a new working cycle is started.

Description

A kind of forming method of the angle-style nut for aircraft
Technical field
The present invention relates to a kind of forming method of the angle-style nut for aircraft, it is mainly used in the company of Aircraft Sheet Metal Parts Connect.
Background technology
Angle-style nut is good because of its self-locking property, has higher precision, is mainly used in sheet metal component and stamping parts on aircraft Connection.Extensively apply aboard.This part is by forging into molding for many years, then machines and make, because of molding Cost is expensive, and the process-cycle is long, and the tolerance of molding is big, has large effect to the self-locking performance and use quality of part, for carrying High efficiency, reduces cost, change molding and process for cold-heading.In recent years, with aerospace industries to high intensity, high self-locking and height The requirement more and more higher of corrosion resistance angle-style nut, the angle-style nut of traditional handicraft manufacture processing can not meet requirement.
Content of the invention
It is an object of the invention to provide a kind of forming method of the angle-style nut for aircraft, solve the one-tenth of angle-style nut The difficult problem that pattern tool exists in terms of molding.
The present invention to achieve these goals, adopts the following technical scheme that
A kind of forming method of the angle-style nut for aircraft, cold upsetting die of car is arranged on cold headers, and blank material is passed by line wheel In the defeated bushing to cutting, then delivered in former by cutter it is ensured that blank material and former in the same horizontal line, when blank somewhat When entering former, cutter returns home position, is then entered blank material upsetting in former by a punch die, makes it withstand former top Bar, as soon as punch die continues to move along, the head of workpiece has been carried out first upsetting main mould preforming is carried out to blank material so as to Head becomes eccentric mushroom-head shape, and after preforming terminates, a punch die and two punch dies are vertically moved by the slide block on lathe, Two punch dies are delivered on upsetting line, just carries out the final upsetting of head, the workpiece of upsetting is released by former push rod, meanwhile, Charging roller starts to rotate again, that is, start new cycle of operation.
After type is made in blank material upsetting, can preferably inoperative side be excised by supporting blanking die, cold-heading molding Angle-style nut afterwards, is positioned according to locating piece, and punch travel downwards, excises the clout of part, and stripper blocks part, pushes away Bar carries out return to locating piece, and after this processing, angle-style nut precision can meet aircraft assembling demand;
Cutter is bolted on cold-heading lathe, and cutting bushing is arranged in the die sleeve of lathe, in 90 ° with cutter, After woollen enters cutting bushing, cutter moves along a straight line cut-out woollen, and woollen is delivered in former, and former is also mounted in In the fixing former hole of lathe, being pressed in former stop surfaces by bolt prevents its slip, the installation side of a punch die and two punch dies Formula, as former, after adjusting the gap of mould, is fixed with bolt.
After type is made in blank material upsetting, by blanking die, preferably inoperative side can be excised, retain precision higher Angle-style nut.
The beneficial effect of the invention
The present invention provides a kind of forming method of the angle-style nut for aircraft, is mainly used in sheet metal component and stamping parts on aircraft Connection, extensively applies aboard.This part is by forging into molding for many years, then machines and make, because of the one-tenth of molding This is expensive, and the process-cycle is long, and the tolerance of molding is big, has large effect to the self-locking performance and use quality of part, for improving Work efficiency, reduces cost, change molding and process for cold-heading.In recent years, with aerospace industries to high intensity, high self-locking and Gao Nai The requirement more and more higher of corrosion angle-style nut, the angle-style nut of traditional handicraft manufacture processing can not meet requirement.Therefore, if Count out a kind of being simple to manufacture to make up-to-standard mould and have important practical significance, this mould structure rushes for a mould two, Installation operation is convenient, enables product cold-heading molding, can effectively ensure that product quality and required precision.
Brief description
Fig. 1 is cutter of the present invention (1), the schematic diagram of cutting bushing (2);
Fig. 2 is bundle bar core rod (3) of the present invention, a punch die (4), former (5), the schematic diagram of former push rod (6);
Fig. 3 is the present invention two punch die (7) schematic diagram;
In Fig. 1,2,3: 1- cutter;2- cuts bushing;3- restraints bar core rod;4- mono- punch die;5- former;6- former push rod;
Fig. 4 is blanking die schematic diagram of the present invention;
In Fig. 4: 11- mould bases;12- nut;13- bullet semi-annular jade pendant;14- stripper;15- screw rod;16- pin;17- punch;18- positions Block;19- push rod.
Specific embodiment
Describe the present invention below in conjunction with the accompanying drawings:
Cold upsetting die of car is arranged on cold headers, and blank material is transferred in cutting bushing 2 by line wheel, then delivers to the moon by cutter 1 In mould 5 it is ensured that blank material and former in the same horizontal line, when blank is slightly into former, cutter returns home position, Then by a punch die 4, blank material upsetting is entered in former 5, make it withstand former push rod 6, as soon as punch die 4 continues to move along, right The head of workpiece has carried out first upsetting main mould and has carried out preforming to blank material so as to head becomes eccentric mushroom-head shape, in advance After molding terminates, a punch die 4 and two punch dies 7 are vertically moved by the slide block on lathe, and two punch dies 7 are delivered on upsetting line, Just carry out the final upsetting of head, the workpiece of upsetting is released by former push rod 6, meanwhile, charging roller starts to rotate, that is, again Start new cycle of operation.
After type is made in blank material upsetting, by making supporting blanking die such as Fig. 4 by oneself, can preferably inoperative side be cut Remove, the angle-style nut after cold-heading molding, positioned according to locating piece 8, punch 7 stroke downwards, excises the clout of part, discharging Plate 4 blocks part, and push rod 9 carries out return to locating piece, and after this processing, angle-style nut precision can meet aircraft assembling need Ask.
Cutter 1 is bolted on cold-heading lathe, and cutting bushing 2 is arranged in the die sleeve of lathe, with cutter In 90 °, after woollen enters cutting bushing 2, cutter moves along a straight line cut-out woollen, and woollen is delivered in former, former It is mounted in the fixing former hole of lathe, being pressed in former stop surfaces by bolt prevents its slip, a punch die and two punch die Mounting means as former, after adjusting the gap of mould, fixed with bolt.

Claims (2)

1. a kind of forming method of the angle-style nut for aircraft is it is characterised in that include following method: cold upsetting die of car is arranged on On cold headers, blank material is transferred in cutting bushing (2) by line wheel, then is delivered in former (5) it is ensured that hair by cutter (1) In the same horizontal line, when blank is slightly into former, cutter returns home position for blank and former, then passes through one and rushes Mould (4) enters blank material upsetting in former (5), makes it withstand former push rod (6), as soon as punch die (4) continues to move along, to workpiece Head carried out first upsetting main mould and preforming carried out to blank material so as to head becomes eccentric mushroom-head shape, preforming After end, a punch die (4) and two punch dies (7) are vertically moved by the slide block on lathe, and two punch dies (7) are delivered to upsetting line On, just carry out the final upsetting of head, the workpiece of upsetting is released by former push rod (6), meanwhile, charging roller starts to revolve again Turn, that is, start new cycle of operation.
2. the angle-style nut for aircraft according to claim 1 forming method it is characterised in that:
After type is made in blank material upsetting, can preferably inoperative side be excised by supporting blanking die, after cold-heading molding Angle-style nut, is positioned according to locating piece (18), and punch (17) stroke downwards, excises the clout of part, and stripper (14) keeps off Live part, push rod (19) carries out return to locating piece, after this processing, angle-style nut precision can meet aircraft assembling demand;
Cutter (1) is bolted on cold-heading lathe, and cutting bushing (2) is arranged in the die sleeve of lathe, with cutter In 90 °, after woollen enters cutting bushing (2), cutter moves along a straight line cut-out woollen, and woollen is delivered in former, former Also it is mounted in the fixing former hole of lathe, being pressed in former stop surfaces by bolt prevents its slip, a punch die and two punchings The mounting means of mould, as former, after adjusting the gap of mould, is fixed with bolt.
CN201611081637.3A 2016-11-30 2016-11-30 Molding method for angled screw cap of airplane Pending CN106345958A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611081637.3A CN106345958A (en) 2016-11-30 2016-11-30 Molding method for angled screw cap of airplane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611081637.3A CN106345958A (en) 2016-11-30 2016-11-30 Molding method for angled screw cap of airplane

Publications (1)

Publication Number Publication Date
CN106345958A true CN106345958A (en) 2017-01-25

Family

ID=57862997

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611081637.3A Pending CN106345958A (en) 2016-11-30 2016-11-30 Molding method for angled screw cap of airplane

Country Status (1)

Country Link
CN (1) CN106345958A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107671226A (en) * 2017-09-30 2018-02-09 江西洪都航空工业集团有限责任公司 A kind of oval head slotted head screw forming method
CN112139420A (en) * 2020-09-06 2020-12-29 冯建娟 Horizontal bolt cold heading forming machine
CN114713750A (en) * 2022-03-31 2022-07-08 佛山市南海区锦华标准件厂 T-shaped nail head forming process

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201064814Y (en) * 2007-06-15 2008-05-28 上海上标汽车紧固件有限公司 Special-purpose welding bolt forming die
CN102500732A (en) * 2011-10-17 2012-06-20 浙江裕泰汽车配件有限公司 Multi-station cold heading forming technology of automobile door limiter
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
CN104339135A (en) * 2014-10-30 2015-02-11 重庆建设工业(集团)有限责任公司 Forming technology for nose body of rifle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201064814Y (en) * 2007-06-15 2008-05-28 上海上标汽车紧固件有限公司 Special-purpose welding bolt forming die
CN102500732A (en) * 2011-10-17 2012-06-20 浙江裕泰汽车配件有限公司 Multi-station cold heading forming technology of automobile door limiter
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
CN104339135A (en) * 2014-10-30 2015-02-11 重庆建设工业(集团)有限责任公司 Forming technology for nose body of rifle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107671226A (en) * 2017-09-30 2018-02-09 江西洪都航空工业集团有限责任公司 A kind of oval head slotted head screw forming method
CN112139420A (en) * 2020-09-06 2020-12-29 冯建娟 Horizontal bolt cold heading forming machine
CN114713750A (en) * 2022-03-31 2022-07-08 佛山市南海区锦华标准件厂 T-shaped nail head forming process

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Application publication date: 20170125