CN1548782A - Method for producing cold forging wing-shaped screw nut - Google Patents
Method for producing cold forging wing-shaped screw nut Download PDFInfo
- Publication number
- CN1548782A CN1548782A CNA031313396A CN03131339A CN1548782A CN 1548782 A CN1548782 A CN 1548782A CN A031313396 A CNA031313396 A CN A031313396A CN 03131339 A CN03131339 A CN 03131339A CN 1548782 A CN1548782 A CN 1548782A
- Authority
- CN
- China
- Prior art keywords
- wing
- program
- stock
- caulking groove
- wire rod
- 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.)
- Granted
Links
Images
Landscapes
- Forging (AREA)
Abstract
The cold forging process of winged nut with coiled wire as material includes rolling, cutting, flattening, extruding to shape, making through hole, forming wings and tapping. The said process can produce standard high quality winged nut product in high speed. Between the flattening step and the extruding step to shape, one embedding slot making step may be added to making one slot for nylon chip or metal chip to be embedded, and after tapping, one nylon chip or metal chip may be embedded and riveted to prevent loosing at low temperature or at high temperature.
Description
Technical field
The present invention relates to a kind of wing nut manufacture method, refer in particular to a kind of like this wing nut manufacture method of cold-forge forming, it mainly is rolled into wing wire rod with columned wire rod, for cutting off of postorder, leveling, squeezing shaping, through hole, the alar part moulding, tappings etc. link up and continue to forge processing procedure, wing nut is gripped in the process letter, rapidly, the state compacted under of low waste material, be a preferable closely knit intensity, anti-corrosion finished product, especially, the present invention is between leveling and squeezing shaping program, can add a caulking groove moulding program, make stock tool one caulking groove of cutting off, after the tapping program, set with nylon6 chips or tinsel, fix, can become the better locking wing nut of low temperature locking or heat-resisting (high temperature resistant) through riveted.
Background technique
With screwing togather mutually of male and female screw thread is important way on the mechanical bond, difference according to user mode and intended purposes, spiro connecting element more is subdivided into multiple kenel, with nut, hexagonal, SQUARE NUTS is the most general, if the non-power that screws togather for the extremely strong power of demand is only for screwing togather, the facility of dismounting, be preferable selection then with wing nut, because of wing nut in the use, needn't use instrument (spanner) can screw tight, unload, and after screwing togather, still has splendid combination force, so in multiple combination was used, wing nut still was best binding member, wing nut is applied in the articles for daily use widely, all positive and negative poles of battery, television antenna, folding cycle, scooter ... Deng, all belong to its example.
But make the method for wing nut now, still have many defectives, now carefully state as follows respectively:
(1) the sheet stamping method of forming (shown in Fig. 9 A)
Through punching press (complications) moulding, whole cap body is non-to be solid form to this kind nut with sheetmetal, and defective is as follows:
1. metallic material is thinner, makes in the processing procedure of thread moulding in tapping, often causes metallic material to break, and increases substandard product relatively.
2. because the cap body is non-solid, as be exposed to outdoor, oxidation corrosion very easily through exposing to the weather, especially the double-vane of cap body partly more is subject to reverse and produces fracture, increases dismounting inconvenience on foot.
3. it is easy to generate sharp keen burr with the impact style manufacturing, easily the incised wound finger.
4. it is with the impact style manufacturing, and metallic material partly becomes waste material with some, causes waste, and economic benefit is low.
(2) founding cast-forming method (shown in Fig. 9 B)
This kind nut injects the sand mo(u)ld casting with the molten iron of fusing, though the cap body is solid form, defective is as follows:
1. the rough surface of its casting is unsmooth, and texture is relatively poor.
2. the molten iron inlet place of foundry goods after moulding interrupts, stays irregular breach on the foundry goods, easily the incised wound finger.
3. foundry goods easily produces the stress concentration phenomenon after cooling is shunk, and, promptly ruptures as being subjected to big external force at the two ends butterfly wing.
For solving the defective of above-mentioned known technology, the inventor is an experience of being engaged in nut, screw manufacturing with collection for many years, dives meticulously and grinds, and tests again and again, revises, so develop a kind of wing nut manufacture method of cold-forge forming, to promote effect, increases economic efficiency.
Summary of the invention
The main technical problem to be solved in the present invention is: a kind of coherent production routine is provided, makes wing nut have speed of production faster.
Time technical problem that the present invention will solve is: make according to the special-purpose cold forging machinery of the horizontal wing nut of above-mentioned manufacturing process design, have the effect of the production automation.
The technical problem again that the present invention will solve is: the unification of nationality manufacturing process obtains the standardized effect of product specification.
The another technical problem that the present invention will solve is: the cold-working characteristic of nationality casting makes wing nut have better intensity and anti-corrosion characteristic.
Another technical problem that the present invention will solve is: pursue the application fully of wire rod, to reach the manufacturing requirement of low waste material, increase economic efficiency.
The present invention finally is for the manufacture method of a high-quality wing nut is provided, and it is minimum that the product disqualification rate is reduced to.
Technical solution of the present invention is: a kind of wing nut manufacture method of cold-forge forming comprises following flow process:
Spreading, the cylindric wire rod in dish unit is rolled into wing wire rod by the self-feeding mode through Rolling machines, enters the program of cutting off, and thick in the middle of this wing wire rod is that oblate post, two ends are long column;
Cut off, the scissors of the cut-off-die of mat cutting machine and cam braking is cut off suitable long wing wire rod, makes described wing wire rod cut off back one-tenth one stock;
Leveling is imported described stock in one leveling mold, stock is cut be irregular two shearing planes forging leveling, and this stock intermediate portion still keeps oblate post, and the stock two ends still keep long column;
Squeezing shaping inwardly pushes the groove that is swaged into two pairs of weighing-appliance chamferings with the both sides, oblate post center of stock, and two groove peripheries are outwards forged long shaping simultaneously, become a thick embryo;
Through hole dashes two grooves of above-mentioned thick embryo that to wear be perforation;
The alar part moulding, the long column at above-mentioned thick embryo two ends is forged into butterfly wing;
Behind the above-mentioned procedure, give tapping and form wing nut.
The wing nut manufacture method of cold-forge forming wherein, between on stream leveling program and squeezing shaping program, can add a caulking groove moulding program as mentioned above; This caulking groove moulding program, with both sides, oblate post center inwardly push monobloc forging become a side be the groove, a side of chamfering for not having the blank caulking groove of chamfering, the blank caulking groove is forged into the caulking groove of scalariform for the squeezing shaping program of postorder; Continuous by behind the through hole of postorder, wing moulding, the tapping procedure, caulking groove can be set nylon6 chips or tinsel riveted, forms the locking or heat-resisting locking wing nut of a low temperature.
Characteristics of the present invention and advantage are: the wing nut manufacture method of the cold-forge forming that the present invention proposes, with the wing wire rod of element coil material spreading, this wing wire rod can omit multiple program in the course of working of wing nut moulding, make wing nut have speed of production faster, promptly in regular turn via cutting off, can forging into wing nut after leveling, squeezing shaping, through hole, alar part moulding and the continuous running of tapping Automatic Program; Between leveling and squeezing shaping program, add a caulking groove moulding program, make the wing wire rod intermediate portion top tool of cutting off can embed the caulking groove of nylon6 chips or tinsel.Nationality is by above-mentioned steps, it may be implemented in horizontal nut shaping machine, with the continuous cold forging of automation, process letter grip, wire rod is used fully, reach and cause low waste material, make the moulding really rapidly of the locking or heat-resisting locking wing nut of low temperature, thereby overcome the defective of prior art, the advantage that makes this manufacture method have rapidly, hang down waste material, and its product has preferable specification standardization, closely knit intensity, corrosion, outer surface is smooth smooth, safe and convenient to use, and the product disqualification rate can be reduced to minimum, has improved economic benefit greatly.
Description of drawings
Fig. 1 is a flow chart of the present invention;
Fig. 2 cuts open schematic representation for the production process side of goods of the present invention;
Fig. 3 is the production process schematic representation of goods of the present invention;
Fig. 4 is for using the schematic representation of anchor clamps in the processing procedure of the present invention;
Fig. 5 flattens the schematic representation of processing mold for the butterfly wing of alar part moulding program of the present invention;
Fig. 6 adds the flow chart of caulking groove program for the present invention;
Fig. 7 adds the production process schematic representation of caulking groove program for the present invention;
Fig. 8 adds the schematic representation that uses anchor clamps in the processing procedure of caulking groove program for the present invention;
Fig. 9 A, 9B are known wing nut schematic representation.
The drawing reference numeral explanation:
1,2,21, rolling clamp 3,4, translation anchor clamps 5, movable die
6, fixed mould (), pendulum are pressed (two), are cut off
(3), leveling one of (three), caulking groove moulding (four), squeezing shaping
(5), through hole (six), alar part moulding (seven), tapping
(8), set riveted
Embodiment
See also shown in Figure 1, the present invention includes spreading, cut off, manufacturing process such as leveling, squeezing shaping, through hole, alar part moulding, above-mentioned flow process is at the special-purpose cold forging machinery of horizontal wing nut, automatically process continuously in regular turn, dispose devices such as known autoloader, Rolling machines, cutting machine, anchor clamps therebetween, see also shown in Fig. 2,3,4, now be described as follows in regular turn with regard to flow process of the present invention:
(1) spreading, with columned wire rod by feeder self-feeding mode, through the spreading roller die mould of Rolling machines, thick in the middle of becoming is that oblate post and two ends are the wing wire rod of long column, enter (two) and cut off program, this wing wire rod can omit multiple program in the course of working of wing nut moulding.
(2) cut off, wing wire rod is cut off suitable long wing wire rod by the cut-off-die of cutting machine and the scissors of cam braking, becomes a stock.
(3) leveling, stock is imported in the leveling mold, stock is cut be irregular two shearing planes forging leveling, is shifted in (four) squeezing shaping program by turnover fixture 1 gripping Rotate 180 degree turn-over.
(4) squeezing shaping, stock enters in the extrusion die, with extrusion die the groove that is swaged into two pairs of weighing-appliance chamferings is inwardly pushed in the both sides, oblate post center of stock, two groove peripheries are outwards forged long shaping simultaneously, become a thick embryo, be shifted in (five) through hole program by turnover fixture 2 gripping Rotate 180 degree turn-overs.
(5) through hole dashes two grooves of thick embryo that to wear be perforation, with the 3 gripping translations of translation anchor clamps in (six) alar part moulding program.
(6) alar part moulding, the long column at thick embryo two ends with the sliding principle of determining in inclined-plane, by the forging and pressing of movable die 5 with fixed mould 6, sees also shown in Figure 5 forming and upwards rolls over perk and gradually wide flat butterfly wing, is shifted out by translation anchor clamps 4.
After gripping processing by six above-mentioned program letters, each thick embryo is handled the tapping of input tapping machine (seven) through the vibration material all in one piece, form a wing nut, in view of the above, the element coil material becomes wing wire rod through the spreading program, forges into the automatic continuous operation of wing nut in regular turn, can finish with less program, be one rapidly, low waste material, and the manufacture method of preferable product specification standardization, closely knit intensity, corrosion can be increased economic efficiency.
Another embodiment of the present invention sees also shown in Fig. 6,7,8, between leveling program and squeezing shaping program, adds a caulking groove moulding program:
(3) leveling, stock forges leveling, is shifted in one of (three) caulking groove moulding program by turnover fixture 1 gripping Rotate 180 degree turn-over.
One of (three) caulking groove moulding, by the caulking groove mould with the both sides, oblate post center of stock inwardly extruding to be swaged into groove that a side is a chamfering and a side be not have a blank caulking groove of chamfering, be shifted in (four) squeezing shaping program by turnover fixture 2 gripping Rotate 180 degree turn-overs.
(4) squeezing shaping is a thick embryo with extrusion die with the caulking groove that the extruding of the blank caulking groove of stock is swaged into scalariform, is displaced to (five) through hole program by turnover fixture 21 gripping Rotate 180 degree turn-overs.
Do to dash through (five) through hole program again and wear, be swaged into the butterfly wing with translation anchor clamps 3 (six) the wing moulding program that moves to, shift out with translation anchor clamps 4 again, after the processing of material all in one piece machine, tapping machine (seven) tapping, the riveted program is set in input (eight), the caulking groove of thick embryo can be set nylon6 chips or tinsel, with nylon6 chips or tinsel rivet clasp, becomes the locking or heat-resisting locking wing nut of a low temperature by riveting machine.
Claims (2)
1. the wing nut manufacture method of a cold-forge forming comprises following flow process:
Spreading, the cylindric wire rod in dish unit is rolled into wing wire rod by the self-feeding mode through Rolling machines, enters the program of cutting off, and thick in the middle of this wing wire rod is that oblate post, two ends are long column;
Cut off, the scissors of the cut-off-die of mat cutting machine and cam braking is cut off suitable long wing wire rod, makes described wing wire rod cut off back one-tenth one stock;
Leveling is imported described stock in one leveling mold, stock is cut be irregular two shearing planes forging leveling, and this stock intermediate portion still keeps oblate post, and the stock two ends still keep long column;
Squeezing shaping inwardly pushes the groove that is swaged into two pairs of weighing-appliance chamferings with the both sides, oblate post center of stock, and two groove peripheries are outwards forged long shaping simultaneously, become a thick embryo;
Through hole dashes two grooves of above-mentioned thick embryo that to wear be perforation;
The alar part moulding, the long column at above-mentioned thick embryo two ends is forged into butterfly wing;
Behind the above-mentioned procedure, give tapping and form wing nut.
2. the wing nut manufacture method of cold-forge forming according to claim 1 is characterized in that: between on stream leveling program and squeezing shaping program, can add a caulking groove moulding program; This caulking groove moulding program, with both sides, oblate post center inwardly push monobloc forging become a side be the groove, a side of chamfering for not having the blank caulking groove of chamfering, the blank caulking groove is forged into the caulking groove of scalariform for the squeezing shaping program of postorder; Continuous by behind the through hole of postorder, wing moulding, the tapping procedure, caulking groove can be set nylon6 chips or tinsel riveted, forms the locking or heat-resisting locking wing nut of a low temperature.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031313396A CN1317090C (en) | 2003-05-13 | 2003-05-13 | Method for producing cold forging wing-shaped screw nut |
| HK05100947A HK1068673A1 (en) | 2003-05-13 | 2005-02-04 | Method for manufacturing cold-forged wing nuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031313396A CN1317090C (en) | 2003-05-13 | 2003-05-13 | Method for producing cold forging wing-shaped screw nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1548782A true CN1548782A (en) | 2004-11-24 |
| CN1317090C CN1317090C (en) | 2007-05-23 |
Family
ID=34322842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031313396A Expired - Fee Related CN1317090C (en) | 2003-05-13 | 2003-05-13 | Method for producing cold forging wing-shaped screw nut |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1317090C (en) |
| HK (1) | HK1068673A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434230C (en) * | 2005-06-24 | 2008-11-19 | 赵诚龙 | Method for rolling treatment of cold-forge forming screw cap |
| CN102161074A (en) * | 2010-02-23 | 2011-08-24 | 台湾翼帽股份有限公司 | Manufacturing method of wing nut |
| CN102615237A (en) * | 2011-01-31 | 2012-08-01 | 吴丰隆 | Manufacturing method of wing bolt molded by cold forging |
| CN102825464A (en) * | 2012-09-17 | 2012-12-19 | 赵伯铭 | Device for producing and processing butterfly screw nuts |
| CN102862024A (en) * | 2012-09-05 | 2013-01-09 | 宁波恒隆车业有限公司 | Adjusting bowl process flow |
| CN110756662A (en) * | 2019-10-31 | 2020-02-07 | 温州市强邦实业有限公司 | Butterfly nut processing die and process for processing butterfly nut by using same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1391792A (en) * | 1920-06-29 | 1921-09-27 | Chase Companies Inc | Method of making installation-loops for electric fixtures |
| US1395762A (en) * | 1920-09-08 | 1921-11-01 | Muff Adam | Manufacture of wing-nut blanks |
| US2714450A (en) * | 1950-09-30 | 1955-08-02 | Aluminum Co Of America | Method of metal forming and improved apparatus therefor |
| GB1423141A (en) * | 1972-05-12 | 1976-01-28 | Gkn Screws Fasteners Ltd | Manufacture of wing nuts |
| US5060331A (en) * | 1990-12-21 | 1991-10-29 | Luchu Shinyee Works Co., Ltd. | Method of producing wing nuts |
-
2003
- 2003-05-13 CN CNB031313396A patent/CN1317090C/en not_active Expired - Fee Related
-
2005
- 2005-02-04 HK HK05100947A patent/HK1068673A1/en not_active IP Right Cessation
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434230C (en) * | 2005-06-24 | 2008-11-19 | 赵诚龙 | Method for rolling treatment of cold-forge forming screw cap |
| CN102161074A (en) * | 2010-02-23 | 2011-08-24 | 台湾翼帽股份有限公司 | Manufacturing method of wing nut |
| CN102615237A (en) * | 2011-01-31 | 2012-08-01 | 吴丰隆 | Manufacturing method of wing bolt molded by cold forging |
| CN102862024A (en) * | 2012-09-05 | 2013-01-09 | 宁波恒隆车业有限公司 | Adjusting bowl process flow |
| CN102825464A (en) * | 2012-09-17 | 2012-12-19 | 赵伯铭 | Device for producing and processing butterfly screw nuts |
| CN110756662A (en) * | 2019-10-31 | 2020-02-07 | 温州市强邦实业有限公司 | Butterfly nut processing die and process for processing butterfly nut by using same |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1068673A1 (en) | 2005-04-29 |
| CN1317090C (en) | 2007-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101961829B (en) | Bolt molding process requiring chamfering and milling multiple grooves | |
| CN203356523U (en) | Manufacturing device for flange nut through cold heading | |
| CN1125693C (en) | Manufacturing process of automobile gearbox combined tooth blank | |
| CN102935578A (en) | Method for manufacturing local boss nut plate by high-intensity biphase steel plate | |
| CN1317090C (en) | Method for producing cold forging wing-shaped screw nut | |
| CN1024639C (en) | Method for forging thumb nut from rod bundle | |
| EP1477250B1 (en) | Method of making self-piercing nuts | |
| CN1807002A (en) | Process for forming thin shim by multi-work station cold headers and wire rod | |
| CN1286597C (en) | Extruding shaping method for self-locking nut | |
| CN110640076A (en) | Caliper piston multi-station cold heading forging module and cold heading forging forming process | |
| CN110421110A (en) | Fluting axle nut one-step moulding method | |
| CN1827291A (en) | Tapping screw making method | |
| CN116274785A (en) | Method for forming crank turning neck arc surface and inclined surface | |
| CN110076525A (en) | A kind of production method using cold-heading technology processing and forming high-precision pedal tooth | |
| CN207560576U (en) | New-energy automobile electric-control system bearing plate | |
| CN202951822U (en) | Mould for forging belt wheel bolt | |
| JPS63235040A (en) | Manufacture of bolt having angular head part | |
| CN205200432U (en) | Cold heading die movable mould piece | |
| CN110886756A (en) | Special-shaped eccentric pin column and production process thereof | |
| CN218192384U (en) | Forming device for adjusting screw rod | |
| JP2005315334A (en) | Cold forging type manufacturing method of butterfly screw | |
| CN203678895U (en) | Car brake clutch pedal bolt cold forming mold assembly | |
| CN104325258B (en) | Manufacturing method of torsion nut | |
| TW200306237A (en) | Method of cold-forging torque nuts | |
| CN114367618B (en) | Step hexagonal flange screw forming process, device and step hexagonal flange screw |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1068673 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070523 Termination date: 20100513 |