CN102728738A - Hook-type automatic feeding device during stamping and method thereof - Google Patents

Hook-type automatic feeding device during stamping and method thereof Download PDF

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Publication number
CN102728738A
CN102728738A CN2012102450028A CN201210245002A CN102728738A CN 102728738 A CN102728738 A CN 102728738A CN 2012102450028 A CN2012102450028 A CN 2012102450028A CN 201210245002 A CN201210245002 A CN 201210245002A CN 102728738 A CN102728738 A CN 102728738A
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CN
China
Prior art keywords
hook
slide block
die
billot
automatic feeding
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
CN2012102450028A
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Chinese (zh)
Inventor
周振浪
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.)
Wuyi Dynamo-Electric Co Ltd Monday
Original Assignee
Wuyi Dynamo-Electric Co Ltd Monday
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.)
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Publication date
Application filed by Wuyi Dynamo-Electric Co Ltd Monday filed Critical Wuyi Dynamo-Electric Co Ltd Monday
Priority to CN2012102450028A priority Critical patent/CN102728738A/en
Publication of CN102728738A publication Critical patent/CN102728738A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a hook-type automatic feeding device during stamping and a method of the hook-type automatic feeding device. The hook-type automatic feeding device comprises a pulling hook, an extension spring, a slide block, a shaft, a leaf spring, a wedge block, an upper die holder, a blanking convex die, an unloading plate, an anti-retreating bolt, an anti-retreating spring leaf, a concave die, a lower die holder, an anti-retreating pin and a compression spring. The hook-type automatic feeding device disclosed by the invention is suitable for a stamping production in which a multi-station progressive die is provided with a lapping edge, and the lapping edge has a certain strength. The device takes the downward movement of an upper die as a power, and feeds by adopting a wedge-slide block mechanism and the pulling hook hinged on the slide block; the hook-type automatic feeding device is further provided with a strip anti-retreating mechanism used for preventing the slide block and the pulling hook from driving strips to retreat during right movement and return; and the hook-type automatic feeding device finishes working procedures of automatic feeding, punching and blanking in one stroke. The device is compact in structure, reliable in work, convenient in operation, maintenance and manufacturing, low in manufacturing cost, simple in use method, low in requirement on the technical level of workers, and high in production efficiency.

Description

Hook-type automatic feeding and method thereof in the punching press
Technical field
The present invention relates to pay-off, relate in particular to hook-type automatic feeding and method thereof in a kind of punching press.
Background technology
Realizing the automation of punching production, is fundamental way and the measure that improves the punching production rate, guarantees secure ram production.Self-feeding then is the basic guarantee mechanism that realizes that the multi-station progressive die automatic press is produced.Using the purpose of automatic feeding in the progressive die, is that raw material (steel band or wire rod) are pressed needed step pitch, and material is correctly sent into the mold work position, accomplishes predefined stamping procedure at each different punching press station.Automatic feeding commonly used in the progressive die has roller feeder, gripper feeder etc.
Roller feeder is that application is more a kind of in various pay-offs at present as a kind of annex of press.This pay-off pushing precision is higher, and at present, even under 600 times/minute high speed stamping speed, the feeding error is also only in ± 0.02mm.If be used with pilot pin, its pushing precision can reach ± 0.01mm.This pay-off is to rely on the frictional force between running roller and blank to carry out feeding, and the contact area between them is bigger, can not weigh material wounded, and can play the effect of aligning material.The versatility of roller feeder is better, and within the specific limits, no matter material width and thickness only need an adjustment feed mechanism deallocation mould to use.
Gripper feeder is widely used for the self-feeding of billot, band material and line material in multi-station progressive stamping.It is to utilize that the reciprocating motion of slide block mechanism realizes the feeding purpose in the pay-off.Gripper feeder can be divided into clamp-type, folder sword formula and clamp rolling type.Different according to driving method is divided into mechanical type, pneumatic type, fluid pressure type again.Pneumatic clamping pay-off is the pay-off that developed rapidly both at home and abroad in recent years, generally as the press annex.This device is installed on lower mould seat or the special-purpose frame.With compressed air is power, by the fixedly collision block bump feed appliance control valve that is installed on patrix or the slide block, forms the conducting in whole compressed air loop and closes when utilizing press ram to descend.The clamping of air cylinder driven strap and ambulatory splint and loosening, and promote moving forward and backward of ambulatory splint by feed ram and accomplish intermittently feeding.Pneumatic feed device sensitivity is light, highly versatile.All can adjust because of its feed length and material thickness,, also be applicable to the production of many kinds, small lot product so not only be applicable to mass-produced product.The maximum characteristics of pneumatic clamps formula pay-off are that the feeding stepping accuracy is higher, reliable and stable, high conformity.For the high accuracy progressive die of band pilot pin, feeding is floated, and guarantee the importing of pilot pin during this period, thereby can make band material repetitive positioning accuracy after correcting up to ± 0.003mm.For the progressive die of general no pilot pin, rely on the precision of pay-off itself, also can obtain to be higher than ± the 0.02mm feeding advances apart from precision.When using pneumatic discharge apparatus, compressed air must pass through water filter, pressure regulator and oil sprayer.Purpose is to filter airborne moisture content and impurity, and makes air pressure adjust to the scope of regulation, also need spray into the mist of oil of some, and is lubricated to guarantee part.Because pneumatic discharge apparatus adopts differential pneumatic principle, the feeding flexible movements are swift in response, and easy to adjust, but also so often are accompanied by much noise.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, hook-type automatic feeding and feeding method thereof in a kind of punching press are provided.
Hook-type automatic feeding in the punching press comprises drawing expects hook, extension spring, slide block, axle, flat spring, voussoir, upper bolster, blanking punch, stripper, stopping screw, retaining reed, die, die shoe, stopping pin, compression spring; Wherein draw the material hook to be articulated on the slide block through axle; And rely on flat spring to make its hook portion be adjacent to upper surface at die, and slide block links to each other with extension spring through screw, and extension spring is fixed on the die through screw; Voussoir, blanking punch are fixed on the upper bolster; Stripper is fixed on the die through stopping screw, retaining reed, and blanking punch and stripper flexibly connect, and the stopping pin is fixed in the hole of die through the compression spring.
Its step of hook-type automatic feeding method in the punching press is following:
1) start crank press, manual feeding earlier treats that material-dropping hole on the billot delivers to when drawing material hook following, draws the material hook to hook billot, the beginning auto-feed;
2) upper bolster is descending, and voussoir promotes slide block and is moved to the left, and billot is moved to the left under the pulling of drawing the material hook simultaneously, and extension spring is stretched, and the right hand edge of material-dropping hole is depressed the stopping pin to the active force on stopping pin inclined-plane on the billot, and the compression spring is compressed;
3) voussoir is along with patrix is descending, and after voussoir came downwards to its inclined working and crosses the inclined working of slide block, though that voussoir continues is descending, slide block stopped to move to left, and at this moment, the stopping pin is in the material-dropping hole of billot, is compressed spring jack-up, gets into the material-dropping hole of billot;
4) the upper bolster continuation is descending, and blanking punch carries out blanking;
5) upper bolster gos up, slide block and draw the material hook to rely on the pulling force of extension spring to move to right to reset, and the locating surface that stretches into the stopping pin of billot material-dropping hole blocks billot, and the material hook that draws that billot is not resetted with moving to right moves to right.
The present invention is descending with patrix to be power, adopts voussoir to promote the auto-feed that slide block is realized plate, and voussoir, blanking punch are fixed on the upper bolster jointly, guarantee the once completion of feeding and punching press; Adopt wedge one slide block mechanism and be articulated in drawing on the slide block and expect the hook feeding; It also is provided with the billot stopping mechanism, prevents limited slip block and draw the material hook to move to right that driving billot when resetting retreats; It accomplishes self-feeding, punching, blanking operation in one stroke.This apparatus structure is compact, reliable operation, and operation and maintenance is convenient, easily manufactured, low low cost of manufacture, method for using is simple, and low to workman's technical merit requirement, production efficiency is high.
Description of drawings
Fig. 1 is the sketch map of the hook-type automatic feeding in the punching press; Draw material hook 1, extension spring 2, slide block 3, axle 4, flat spring 5, voussoir 6, upper bolster 7, blanking punch 8, stripper 9, stopping screw 10, retaining reed 11, die 12, die shoe 13, stopping pin 14, compression spring 15 among the figure.
The specific embodiment
As shown in Figure 1, the hook-type automatic feeding in the punching press comprises drawing expects hook 1, extension spring 2, slide block 3, axle 4, flat spring 5, voussoir 6, upper bolster 7, blanking punch 8, stripper 9, stopping screw 10, retaining reed 11, die 12, die shoe 13, stopping pin 14, compression spring 15; Wherein draw material hook 1 to be articulated on the slide block 3 through axle 4; And rely on flat spring 5 to make its hook portion be adjacent to upper surface at die 12, and slide block 3 links to each other with extension spring 2 through screw, and extension spring 2 is fixed on the die 12 through screw; Voussoir 6, blanking punch 8 are fixed on the upper bolster 7; Stripper 9 is fixed on the die 12 through stopping screw 10, retaining reed 11, and blanking punch 8 flexibly connects with stripper 9, and stopping pin 14 is fixed in the hole of die 12 through compression spring 15.
Its step of hook-type automatic feeding method in the punching press is following:
1) start crank press, manual feeding earlier treats that material-dropping hole on the billot delivers to when drawing material hook 1 following, draws material hook 1 to hook billot, the beginning auto-feed;
2) upper bolster 7 is descending; Voussoir 6 promotes slide block 3 and is moved to the left, and billot is moved to the left under the pulling of drawing material hook 1 simultaneously, and extension spring 2 is stretched; The right hand edge of material-dropping hole is depressed stopping pin 14 to the active force on stopping pin 14 inclined-planes on the billot, and compression spring 15 is compressed;
3) voussoir 6 is along with patrix is descending, after voussoir 6 comes downwards to its inclined working and crosses the inclined working of slide block 3, though that voussoir 6 continues is descending; But slide block 3 stops to move to left, and at this moment, stopping pin 14 is in the material-dropping hole of billot; Be compressed spring 15 jack-up, get into the material-dropping hole of billot;
4) upper bolster 7 continuation are descending, and blanking punch 8 carries out blanking;
5) upper bolster 7 gos up, slide block 3 and draw material hook 1 to rely on the pulling force of extension spring 2 to move to right to reset, and the locating surface that stretches into the stopping pin 14 of billot material-dropping hole blocks billot, and the material hook 1 that draws that billot is not resetted with moving to right moves to right.

Claims (2)

1. the hook-type automatic feeding in the punching press is characterized in that comprising and draws material hook (1), extension spring (2), slide block (3), axle (4), flat spring (5), voussoir (6), upper bolster (7), blanking punch (8), stripper (9), stopping screw (10), retaining reed (11), die (12), die shoe (13), stopping pin (14), compression spring (15); Wherein draw material hook (1) to be articulated on the slide block (3) through axle (4); And rely on flat spring (5) to make its hook portion be adjacent to upper surface in die (12); Slide block (3) links to each other with extension spring (2) through screw; Extension spring (2) is fixed on the die (12) through screw, and voussoir (6), blanking punch (8) are fixed on the upper bolster (7), and stripper (9) is fixed on the die (12) through stopping screw (10), retaining reed (11); Blanking punch (8) flexibly connects with stripper (9), and stopping pin (14) is fixed in the hole of die (12) through compression spring (15).
2. the hook-type automatic feeding method in the use punching press of installing according to claim 1 is characterized in that its step is following:
1) start crank press, manual feeding earlier treats that material-dropping hole on the billot delivers to when drawing material hook (1) following, draws material hook (1) to hook billot, the beginning auto-feed;
2) upper bolster (7) is descending; Voussoir (6) promotes slide block (3) and is moved to the left; Billot is moved to the left under the pulling of drawing material hook (1) simultaneously; Extension spring (2) is stretched, and the right hand edge of material-dropping hole is depressed stopping pin (14) to the active force on stopping pin (14) inclined-plane on the billot, and compression spring (15) is compressed;
3) voussoir (6) is along with patrix is descending; After voussoir (6) came downwards to its inclined working and crosses the inclined working of slide block (3), though that voussoir (6) continues is descending, slide block (3) stopped to move to left; At this moment; Stopping pin (14) is in the material-dropping hole of billot, is compressed spring (15) jack-up, gets into the material-dropping hole of billot;
4) upper bolster (7) continuation is descending, and blanking punch (8) carries out blanking;
5) upper bolster (7) gos up, slide block (3) and draw material hook (1) to rely on the pulling force of extension spring (2) to move to right to reset, and the locating surface that stretches into the stopping pin (14) of billot material-dropping hole blocks billot, and the material hook (1) that draws that billot is not resetted with moving to right moves to right.
CN2012102450028A 2012-07-16 2012-07-16 Hook-type automatic feeding device during stamping and method thereof Pending CN102728738A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN2012102450028A CN102728738A (en) 2012-07-16 2012-07-16 Hook-type automatic feeding device during stamping and method thereof

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CN102728738A true CN102728738A (en) 2012-10-17

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104384372A (en) * 2014-09-30 2015-03-04 成都市翻鑫家科技有限公司 Spring returning feeder
CN106925670A (en) * 2017-04-14 2017-07-07 佛山市迪赛纳科技有限公司 The mould and its forming method of a kind of panel beating
CN107020329A (en) * 2017-06-21 2017-08-08 安徽江淮汽车集团股份有限公司 A kind of automatic feed mechanism and diel
CN107377736A (en) * 2017-09-20 2017-11-24 湖南大学 A kind of hook-type for realizing no tailing punching draws material material strip conveyer
CN110479831A (en) * 2019-09-23 2019-11-22 武汉轻工大学 Stamping die with automatic feed mechanism
CN113145719A (en) * 2021-04-25 2021-07-23 广州中益机械有限公司 High-precision high-efficiency automatic feeding mechanism

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2347889A (en) * 1999-02-13 2000-09-20 Utilux Press tool feed mechanism
CN201644600U (en) * 2009-09-14 2010-11-24 陈石云 Positioning device for punching machine
CN102120237A (en) * 2010-11-26 2011-07-13 武汉木兰环保设备有限公司 Automatic feeding punching machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2347889A (en) * 1999-02-13 2000-09-20 Utilux Press tool feed mechanism
CN201644600U (en) * 2009-09-14 2010-11-24 陈石云 Positioning device for punching machine
CN102120237A (en) * 2010-11-26 2011-07-13 武汉木兰环保设备有限公司 Automatic feeding punching machine

Non-Patent Citations (2)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104384372A (en) * 2014-09-30 2015-03-04 成都市翻鑫家科技有限公司 Spring returning feeder
CN106925670A (en) * 2017-04-14 2017-07-07 佛山市迪赛纳科技有限公司 The mould and its forming method of a kind of panel beating
CN107020329A (en) * 2017-06-21 2017-08-08 安徽江淮汽车集团股份有限公司 A kind of automatic feed mechanism and diel
CN107377736A (en) * 2017-09-20 2017-11-24 湖南大学 A kind of hook-type for realizing no tailing punching draws material material strip conveyer
CN110479831A (en) * 2019-09-23 2019-11-22 武汉轻工大学 Stamping die with automatic feed mechanism
CN113145719A (en) * 2021-04-25 2021-07-23 广州中益机械有限公司 High-precision high-efficiency automatic feeding mechanism

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