CN104889238B - Deep drawn axle sleeve moulding process - Google Patents

Deep drawn axle sleeve moulding process Download PDF

Info

Publication number
CN104889238B
CN104889238B CN201510257067.8A CN201510257067A CN104889238B CN 104889238 B CN104889238 B CN 104889238B CN 201510257067 A CN201510257067 A CN 201510257067A CN 104889238 B CN104889238 B CN 104889238B
Authority
CN
China
Prior art keywords
mould
stretching
profiling
axle sleeve
deep drawn
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.)
Active
Application number
CN201510257067.8A
Other languages
Chinese (zh)
Other versions
CN104889238A (en
Inventor
洪志勤
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.)
SPI PRECISION SUZHOU CO Ltd
Original Assignee
SPI PRECISION SUZHOU 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 SPI PRECISION SUZHOU CO Ltd filed Critical SPI PRECISION SUZHOU CO Ltd
Priority to CN201510257067.8A priority Critical patent/CN104889238B/en
Publication of CN104889238A publication Critical patent/CN104889238A/en
Application granted granted Critical
Publication of CN104889238B publication Critical patent/CN104889238B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Adornments (AREA)

Abstract

The present invention is a kind of deep drawn axle sleeve moulding process, and its step includes stretching step, punching step, straight flange step and flanging step, the length for drawing high the neck after the flanging step is less than of the stretching step.The present invention shortens deep drawn distance by a kind of new deep drawn axle sleeve moulding process, realizes the low scrappage production of deep drawn axle sleeve.

Description

Deep drawn axle sleeve moulding process
Technical field
It is more particularly to a kind of to process the deep drawn axle sleeve with flanging the present invention relates to metal stamping processing technique field Technique.
Background technology
Axle sleeve is a kind of common metal structural member, but it is difficult to be likely to occur different process technologies according to different clients requirement Point.Fig. 1 is a kind of while having the axle sleeve 5 of bottom 51, neck 52 and flanging 53, the material of bottom 51 of 1.5mm in customer demand On the basis of material thickness, the length of neck 52 is up to 14.5mm.Sheet Metal Forming Technology is such as used, the shaping of neck 52 belongs to deep drawn model Farmland.The method that conventional technique is used is, by the height of material stretched more than 16mm several times, to be then cut off the bottom surface of closing, Side will be finally translated into outside edge, the maximum defect of this technique is too big tensile elongation, easily causes material to break, serious shadow Ring product percent of pass.But according to Foundry Production, cost is higher.
Therefore, it is necessary to provide a kind of new technique to solve the above problems.
The content of the invention
It is a primary object of the present invention to provide a kind of technique for processing the deep drawn axle sleeve with flanging.
The present invention is achieved through the following technical solutions above-mentioned purpose:A kind of deep drawn axle sleeve moulding process, its step includes:
(1) stretching step:The material multistage stretching of plane is connected with the cylindrical neck of stretching bottom surface for one end;
(2) punch out step:The through hole of inside and outside insertion is punched into stretching bottom center;
(3) straight flange step:It is the extended surface concordant with cylinder by the sealing surface material expansion outside through hole;
(4) flanging step:It is flanging by the outer rim turnover of extended surface.
Length of the stretching distance of the stretching step less than neck after the flanging step.
Specifically, the technique is completed by a progressive die, the progressive die is included for completing stretching step successively Extension section, the punching portion for completing punch out step, turn over portion and for completing flanging step for completing the straight of straight flange step Rapid valgus.
Further, the extension section includes the upper mould of stretching, and mould is provided with some stretching punchings for increasing successively in the stretching Head, the valgus include turning down mould outward, and described turning down mould activity sets up a pair of profiling lateral pressing blocks, profiling side described in a pair outward The symmetrical section that is provided with binder block top is semicircular binder groove, and the length of the binder groove is more than last described stretching The length of drift.
Further, the stretching step restrained stretching R angular radius 5-8mm.
Further, the punching portion includes mould under punch upper die and punching, and the punch upper die is provided with pierce punch, institute Mould is provided with the first profiling tray under stating punching, and the first profiling tray is provided with the material-dropping hole for avoiding the pierce punch.
Further, the straight portion of turning over include it is straight roll up mould and it is straight turn down mould, it is described it is straight roll up mould be provided with external diameter with it is last The same straight of one draw punch external diameter turns over drift, described straight to turn down mould and be provided with the second profiling tray, the second profiling tray It is provided with and avoids the straight avoidance hole for turning over drift.
Further, the valgus also include rolling up mould outward, and described rolling up mould is provided with a locating core outward.
Further, it is described it is outer turn down mould be additionally provided with annular clap drift and passed through from the middle of the drift of clapping it is outer Drift is turned over, described to clap drift between profiling lateral pressing block described in a pair, the locating core is upper and lower with the drift that turns up Relatively.
Further, the profiling lateral pressing block is provided with a heavy face for being located at the binder groove bottom.
Further, the profiling lateral pressing block bottom is provided with oblique pin, and the outer mould of turning down is provided with described for guiding The oblique guiding groove of oblique pin.
Using above-mentioned technical proposal, the beneficial effect of technical solution of the present invention is:The present invention is by a kind of new deep drawn Axle sleeve moulding process, shortens deep drawn distance, realizes the low scrappage production of deep drawn axle sleeve.
Brief description of the drawings
Fig. 1 is axle sleeve design structure diagram;
Fig. 2 is the flow chart of deep drawn axle sleeve moulding process of the present invention;
Fig. 3 is the front view of the progressive die;
Fig. 4 is the sectional view of punching portion matched moulds state;
Fig. 5 is the sectional view for directly turning over portion's matched moulds state;
Fig. 6 is the top view of valgus matched moulds state;
Fig. 7 is the main partial sectional view of profiling lateral pressing block;
Fig. 8 is the upward view of profiling lateral pressing block.
Numeral is represented in figure:
1- extension sections, mould in 11- stretchings, the draw punchs of 111- first, the draw punchs of 112- second, the stretching punchings of 113- the 3rd Head;
2- punchings portion, 21- punch upper dies, 211- pierce punches, mould under 22- punchings, 221- the first profiling trays, 2211- Material-dropping hole;
3- directly turns over portion, and 31- directly rolls up mould, and 311- directly turns over drift, and 3111- roots, 3112- heads, 32- directly turns down mould, 321- the second profiling trays, 3211- avoids hole;
4- valgus, roll up mould outside 41-, 411- locating cores turn down mould, the oblique guiding grooves of 42a-, 421- profiling side pressures outside 42- Material block, 4211- binder grooves, 4212- sinks face, the oblique pins of 4213-, and 422- claps drift, and 423- turns up drift;
5- shaft sleeve workpieces, 51- bottoms, 52- necks, 53- flangings.
Specific embodiment
A kind of such as Fig. 2, deep drawn axle sleeve moulding process, step includes:
(1) stretching step:The material multistage stretching of plane is connected with the cylindrical neck of stretching bottom surface for one end;
(2) punch out step:The through hole of inside and outside insertion is punched into stretching bottom center;
(3) straight flange step:It is the extended surface concordant with cylinder by the sealing surface material expansion outside through hole;
(4) flanging step:It is flanging by the outer rim turnover of extended surface.
The present invention is described in further detail with reference to specific embodiment.
As shown in figure 3, a kind of deep drawn axle sleeve shaping progressive die of the invention, successively including extension section 1, punching portion 2, straight Turn over portion 3 and valgus 4.Extension section 1 includes the upper mould 11 of stretching, and mould 11 is provided with three draw punchs for increasing successively (the in stretching One draw punch 111, the second draw punch 112, the 3rd draw punch 113).When metal material belt passes through from the progressive die, first Stretched in extension section 1, material is the preliminary structure of neck 52 to form cylindricality after three times stretch, neck 52 it is another Side is connected with stretching bottom surface (mark) without thrusting.
As shown in figure 4, punching portion 2 includes mould 22 under punch upper die 21 and punching, punch upper die 21 is provided with pierce punch 211, mould 22 is provided with the first profiling tray 221 under punching, and the first profiling tray 221 is provided with the material-dropping hole for avoiding pierce punch 211 2211.During punching, the shaft sleeve workpiece 5 after stretching is spacing by the first profiling tray 221, with the 2-in-1 mould in punching portion, pierce punch 211, by the perforate at the stretching bottom center of shaft sleeve workpiece 5, in case stretching bottom surface is expanded in next step from tapping, are swept away One piece of appropriately sized waste material can be discharged from material-dropping hole 2211.
As shown in figure 5, straight portion 3 of turning over includes directly rolling up mould 31 and directly turns down mould 32, directly roll up mould 31 and be provided with external diameter and the 3rd The same straight of the external diameter of draw punch 113 turns over drift 311, directly turns down mould 32 and is provided with the second profiling tray 321, the second profiling tray 321 are provided with the avoidance hole 3211 for avoiding and directly turning over drift 311.When directly turning over, the shaft sleeve workpiece 5 after punching is by the second profiling tray 321 Spacing, with directly the matched moulds of portion 3 is turned over, directly turning over drift 311 will pass through from the inside of shaft sleeve workpiece 5, and the stretching bottom surface after punching is expanded Cylindricality facade is opened into, the distance at cylindricality position is increased.
As shown in Figure 6 to 8, valgus 4 include rolling up mould 41 outward and turn down mould 42 outward;Turning down mould 42 is provided with a pair of work outward Clap drift 422 and the drift 423 that turns up that is passed through from the middle of drift 422 of clapping of dynamic profiling lateral pressing block 421, annular, clap Flat punch 422 is located between a pair of profiling lateral pressing blocks 421, and the symmetrical section that is provided with a pair of 421 tops of profiling lateral pressing block is Semicircular binder groove 4211, profiling binder block 421 is provided with a heavy face 4212 for being located at the bottom of binder groove 4211, profiling lateral pressing The bottom of block 421 is provided with oblique pin 4213, mould 42 is turned down outward and is provided with oblique guiding groove 42a for guiding oblique pin 4213;Roll up outward Mould 41 is provided with locating core 411, and locating core 411 is relative about 423 with the drift that turns up.When turning up, shaft sleeve workpiece 5 is loaded in two by support Top between profiling lateral pressing block 421, during matched moulds, the locating core 411 that mould 41 is rolled up outward is penetrated into inside shaft sleeve workpiece 5, complete Into axis Primary Location, it is descending it is outer roll up that mould 41 press against shaft sleeve workpiece 5 and two profiling lateral pressing blocks 421 are descending together, by In the interaction for outward turning down the oblique guiding groove 42a of mould 42 and profiling binder block 421 and oblique pin 4213, two descending profiling sides Binder block 421 occurs close to motion simultaneously, and two section will be combined into one by axle sleeve work for semicircular binder groove 4211 The cylindrical cavity that the periphery of 5 neck of part 52 clamps, completes the axis location of shaft sleeve workpiece 5;It is outer when rolling up mould 41 and continuing traveling downwardly, The lower edge of neck 52 through turning over straight is touched and turns up drift 423 and generation tentatively is extended out, then when descending, the lower edge for extending out is contacted Flanging 53 is formed as to drift 422 of clapping, the heavy face 4212 of the lower section of binder groove 4211 provides the collecting of flanging 53 Space, makes flanging 53 more preferable with the depth of parallelism of bottom 51.
The length of binder groove 4211 is more than the length of the 3rd draw punch 113, therefore the final stretching distance in stretching step The length of the neck 52 after being turned up by binder groove 4211 less than shaft sleeve workpiece 5.In practical application, when the length of the requirement of neck 52 It is 14.5mm, then the length of binder groove 4211 is 14.5mm, and the length of the 3rd draw punch 113 only needs 12-13mm, less than existing The draw punch length requirement of more than 16mm in technology.This main points importance in process is:Grown in identical neck 52 Under the premise of degree and the requirement of the ring width of flanging 53, deep drawn distance is shortened, the deflection of material reduces in such deep drawn, material Thickness has more preferable guarantee, therefore manufacturing scrap rate is substantially reduced, and stretches the problem that overall length requires length less than neck 52 Then supplied by the way that the stretching bottom surface of opening is turned over into straight length, thus final shaft sleeve workpiece 5 specification can also reach standard will Ask.
Stretching step restrained stretching R angular radius 5-8mm.Because stretching after-drawing bottom surface will also carry out turning over straight, if stretching step The too small then material of R angular radius in rapid can be weaker in turnover region, and risk of breakage is also susceptible in the stress for repeating.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not On the premise of departing from the invention design, various modifications and improvements can be made, these belong to protection model of the invention Enclose.

Claims (8)

1. a kind of deep drawn axle sleeve moulding process, it is characterised in that step includes:
(1) stretching step:The material multistage stretching of plane is connected with the cylindrical neck of stretching bottom surface for one end;
(2) punch out step:The through hole of inside and outside insertion is punched into stretching bottom center;
(3) straight flange step:It is the extended surface concordant with cylinder by the sealing surface material expansion outside through hole;
(4) flanging step:It is flanging by the outer rim turnover of extended surface;
The technique is completed by a progressive die, and the progressive die is successively including being used to complete the extension section of stretching step, being used for Complete the punching portion of punch out step, straight turn over portion and valgus for completing flanging step for complete straight flange step; The extension section includes the upper mould of stretching, and mould is provided with some draw punchs for increasing successively in the stretching, and the valgus include Outer to turn down mould, described turning down mould activity sets up a pair of profiling lateral pressing blocks outward, and profiling lateral pressing block top is symmetrical described in a pair Section is provided with for semicircular binder groove, the length of the length more than last draw punch of the binder groove;It is described Length of the stretching distance of stretching step less than neck after the flanging step.
2. deep drawn axle sleeve moulding process according to claim 1, it is characterised in that:The stretching step restrained stretching R Angular radius 5-8mm.
3. deep drawn axle sleeve moulding process according to claim 1, it is characterised in that:The punching portion includes punch upper die With mould under punching, the punch upper die is provided with pierce punch, and mould is provided with the first profiling tray, first profiling under the punching Tray is provided with the material-dropping hole for avoiding the pierce punch.
4. deep drawn axle sleeve moulding process according to claim 1, it is characterised in that:The straight portion of turning over includes directly rolling up mould Turn down mould with straight, it is described it is straight roll up mould and be provided with external diameter directly turn over drift with last draw punch external diameter as, it is described directly to turn over Lower mould is provided with the second profiling tray, and the second profiling tray is provided with and avoids the straight avoidance hole for turning over drift.
5. deep drawn axle sleeve moulding process according to claim 1, it is characterised in that:The valgus also include rolling up outward Mould, described rolling up mould is provided with a locating core outward.
6. deep drawn axle sleeve moulding process according to claim 5, it is characterised in that:Mould is turned down outside described be additionally provided with annular The drift and from the drift that turns up clapped and pass through in the middle of drift of clapping, the drift of clapping is positioned at profiling side pressure described in a pair Between material block, the locating core is relative up and down with the drift that turns up.
7. deep drawn axle sleeve moulding process according to claim 6, it is characterised in that:The profiling lateral pressing block is provided with one Positioned at the heavy face of the binder groove bottom.
8. deep drawn axle sleeve moulding process according to claim 1, it is characterised in that:The profiling lateral pressing block bottom sets There is an oblique pin, the outer mould of turning down is provided with oblique guiding groove for guiding the oblique pin.
CN201510257067.8A 2015-05-20 2015-05-20 Deep drawn axle sleeve moulding process Active CN104889238B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510257067.8A CN104889238B (en) 2015-05-20 2015-05-20 Deep drawn axle sleeve moulding process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510257067.8A CN104889238B (en) 2015-05-20 2015-05-20 Deep drawn axle sleeve moulding process

Publications (2)

Publication Number Publication Date
CN104889238A CN104889238A (en) 2015-09-09
CN104889238B true CN104889238B (en) 2017-07-07

Family

ID=54022434

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510257067.8A Active CN104889238B (en) 2015-05-20 2015-05-20 Deep drawn axle sleeve moulding process

Country Status (1)

Country Link
CN (1) CN104889238B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106702670A (en) * 2016-12-28 2017-05-24 安徽协诚实业股份有限公司 Inner-barrel back cover for dry washers and manufacturing method of inner-barrel back cover
CN108080493B (en) * 2017-12-14 2024-02-06 珠海格力电器股份有限公司 Punching die and punching method
CN109461856A (en) * 2018-10-16 2019-03-12 浙江捷汽车零部件有限公司 T02 type aluminum battery case shell-machining process

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1050075C (en) * 1993-06-30 2000-03-08 株式会社金光 Method forming of hub from block of plate and belt wheel made from plate
JP3739936B2 (en) * 1998-04-28 2006-01-25 松下電器産業株式会社 Method of processing part having cylindrical body with expanded tip and mold used therefor
JP3462996B2 (en) * 1999-04-05 2003-11-05 日高精機株式会社 Method for manufacturing fins for heat exchanger and mold for fins for heat exchanger
JP2004223583A (en) * 2003-01-24 2004-08-12 Bridgestone Corp Burring processing method for sheet
CN101954430B (en) * 2009-07-17 2013-01-16 无锡国盛精密模具有限公司 Manufacture method and forming die of fin for heat exchanger
CN102357599B (en) * 2009-12-31 2013-09-25 潍坊裕元电子有限公司 Progressive stamping die for producing thin-wall metal rings
CN101850380A (en) * 2010-05-26 2010-10-06 苏州铭峰精密机械有限公司 High flanging hole forming method
JP2013126673A (en) * 2011-12-19 2013-06-27 Ricoh Co Ltd Thin plate burring method and thin plate female screw-forming method

Also Published As

Publication number Publication date
CN104889238A (en) 2015-09-09

Similar Documents

Publication Publication Date Title
JP6058002B2 (en) Can manufacturing method and can manufacturing apparatus
CN104889238B (en) Deep drawn axle sleeve moulding process
CN202377388U (en) Automobile spare wheel bin part manufacture system
CN103949539B (en) Stamping Technology of Clutch Gland Window
CN105414898B (en) A kind of preparation method of the direct-current motor shell of flange shaping
CN202367043U (en) Production line device for automobile wheel casing parts
CN202877386U (en) Compressor silencer continuous stamping die
CN207255038U (en) A kind of stamping die for processing arc surfaced tap retaining ring
CN203635772U (en) Flying wheel disc punch forming die
CN103433377A (en) Blanking, punching, flanging and forming composite die
CN111085606B (en) Back extrusion plane forming process for end cone type part of automobile exhaust system
CN206373294U (en) A kind of combined type shape expanding machine frock
CN102873214A (en) Continuous stamping die for compressor silencer
CN204735616U (en) Axle sleeve shaping modulus of continuity is stretched in deep -draw
CN202861128U (en) Spinning forming mould for cylindrical workpiece with wide flanged lip
CN204584061U (en) A kind of automobile exhaust pipe end cone drawing die
CN204365841U (en) Pipe reducing die
CN204018459U (en) A kind of device for processing pipe fitting U-type groove
CN204135193U (en) Deep-draw part bulging processing mold
CN204584059U (en) A kind of automobile exhaust pipe end cone shaping mould
CN206936121U (en) Piercing and flanging integrated device
CN105215161A (en) The processing method of a kind of monaural airtight nut height cover part
CN203418007U (en) Stamping drawing die
CN201437148U (en) Roll forging module of an automatic roll forging machine
CN204074935U (en) A kind of longitudinal progressive die of drawer guideway

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant