CN105834296A - Machining progressive die used for increasing height of fins - Google Patents

Machining progressive die used for increasing height of fins Download PDF

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Publication number
CN105834296A
CN105834296A CN201610410852.7A CN201610410852A CN105834296A CN 105834296 A CN105834296 A CN 105834296A CN 201610410852 A CN201610410852 A CN 201610410852A CN 105834296 A CN105834296 A CN 105834296A
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CN
China
Prior art keywords
die
station
fixed plate
plate
tearing notch
Prior art date
Application number
CN201610410852.7A
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Chinese (zh)
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CN105834296B (en
Inventor
储杰
尤永贵
李文霞
Original Assignee
黄山三佳谊华精密机械有限公司
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Priority to CN201610410852.7A priority Critical patent/CN105834296B/en
Publication of CN105834296A publication Critical patent/CN105834296A/en
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Publication of CN105834296B publication Critical patent/CN105834296B/en

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    • 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
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/08Dies with different parts for several steps in a process
    • 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
    • B21D53/00Making other particular articles
    • B21D53/02Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/022Making the fins

Abstract

The invention discloses a machining progressive die used for increasing the height of fins. The machining progressive die comprises an upper die plate, a lower die plate and a drawing station arranged between the upper die plate and the lower die plate. A punching station, a tearing-open station, a straightening station and a flanging station are sequentially arranged behind the drawing station. A process hole is punched in the end face of a convex bag through the punching station, wherein the convex bag is punched through the drawing station. The end face of the convex bag is cut open around from the process hole into a plurality of parts through the tearing-open station. The torn end face of the convex bag is straightened through the straightening station. The flanging station carries out flanging operation on the top of the straightened convex bag. The punching station, the tearing-open station, the straightening station and the flanging station are arranged behind the drawing station, and therefore the end face of the convex bag can be straightened, the height of a locating hole is increased, and the problems that fin materials are thin, and the height of a locating hole does not meet the requirement are solved well. The machining progressive die can be widely applied to the fin machining field.

Description

A kind of processing stage progressive die for improving fin height
Technical field
The present invention relates to fin machining field, especially relate to a kind of processing stage for improving fin height Progressive die.
Background technology
Heat exchanger fin is mainly used in heat radiation, and heat exchanger fin is linked together by heat exchanger tube.Therefore, Be provided with the hole, location for accommodating heat exchanger tube on heat exchanger fin, the pitch of fins between heat exchanger fin depend on The height in hole, location.Along with the increase of the market competitive pressure, for cost-effective, many customer requirements reduce The thickness of fin, ensures the height of fin simultaneously again.Existing fin machining progressive die is by station of extending To fin raising bag, then the end face of convex closure is excised, thus obtain positioning pore structure.The height of convex closure Depending on the thickness with fin material, thickness is the thickest, and the height of convex closure is the highest.Therefore, existing mould knot Structure can not realize while fin material is thinning, also requires that the height in hole, location keeps constant or increases.
Summary of the invention
For solving the problems referred to above, the invention provides a kind of processing stage progressive die for improving fin height.
The technical solution adopted for the present invention to solve the technical problems is: a kind of for improving fin height Processing stage progressive die, including cope match-plate pattern and lower bolster, the station of extending being arranged between cope match-plate pattern and lower bolster, After station of extending, it is disposed with punching station, tearing notch station, pulls out straight station and flange station;
A fabrication hole is gone out on the convex closure end face that station of extending is gone out by described punching station;
Convex closure end face is cut into some parts by fabrication hole to surrounding by described tearing notch station;
Described pull out straight station the convex closure end face torn is stretched;
Described flange station carries out flange operation to the convex closure top after stretching.
Concrete, described punching station and tearing notch station are arranged in same group of submodule;Including being arranged on lower mold The first fixed plate on plate, the first fixed plate is provided with the first pressing plate, the first pressing plate is provided with first Stripper;Punching concave die and tearing notch punch it is provided with in described first fixed plate;Fix on described cope match-plate pattern Piercing punch fixed plate, the lower section of piercing punch fixed plate is had to be installed with tearing notch die block, institute Stating and be installed with the piercing punch suitable with punching concave die in piercing punch fixed plate, described tearing notch is recessed The tearing notch die suitable with tearing notch punch it is installed with in mould fixed plate.
Described pull out the second fixed plate that straight station includes being arranged on lower bolster, be arranged in the second fixed plate The second pressing plate, the second stripper being arranged on the second pressing plate, described second fixed plate is provided with and pulls out Straight punch, described cope match-plate pattern is provided with and pulls out straight die block, pulls out and fixedly mounts on straight die block Have with pull out straight punch suitable pull out straight die.
Described flange station includes the backing plate being arranged on lower bolster, the concave template being arranged on backing plate, institute State and on concave template, be provided with die hole;It is provided with fixed plate on described cope match-plate pattern, is arranged on below fixed plate Flanging die fixed plate, the lower section of flanging die fixed plate is provided with the 3rd stripper, and described flange is convex It is provided with flanging die in mould fixed plate, described flanging die is provided with flange convex shoulder.
The upper end of described flanging die is also connected with being provided with tiltedly carves structure for regulate flanging die height, Described tiltedly carve that structure includes tiltedly carving, declivity is carved and driven and tiltedly carves the adjusting screw rod moved left and right, described Flanging die upper end withstands on declivity and carves, and the upper end of flanging die is provided with end cap, end cap and flanging die Ejector spring it is provided with between fixed plate;It is provided with use between described flanging die fixed plate and the 3rd stripper The limited block of distance is moved down in control the 3rd stripper.
Concrete, described limited block includes top board, lower platen and connects top board and the riser of lower platen, Described top board is pressed on the upper surface of flanging die fixed plate, described 3rd stripper is provided with under The heavy shoulder that pressing plate coordinates;Described limited block is each provided with one in the left and right sides of the 3rd stripper.
Removing waste material for convenience, the center of described piercing punch is additionally provided with air inlet, described punching concave die On be provided with material-dropping hole.
Preferably, the top of described tearing notch punch is pyramidal structure, and is provided with at the top of tearing notch punch One group of section.
Beneficial effects of the present invention: the present invention is by arranging punching station, tearing notch work after station of extending Position, pull out straight station and flange station, it is possible to convex closure end face is stretched, thus improve location hole height, Well solve fin material thin, the problem that hole, location height is unsatisfactory for requiring.Therefore, this mould knot Structure can reduce the thickness of fin material, thus reach fall on the premise of ensureing that hole, location height is constant Low cost, improves the purpose of radiating efficiency.Air inlet on described punching station and material-dropping hole structure, energy Enough air blowing by air inlet by the waste material rushed out is discharged by slug hole, prevents from piling up, affects mould Normal use.The top of described tearing notch punch is pyramidal structure, and the top of tearing notch punch is provided with one Group section, it is possible to the ends cutting of convex closure being become several, thus stretches for next step and prepare, it is right to prevent Convex closure end face causes the cracking of end face to damage when stretching.Described flange station is to the end top after pulling out directly Carry out flange, thus increase the lifting surface area of upper end, hole, location, improve the compression capability in hole, location.Described Tiltedly carve the convenient height to flanging die of structure to be adjusted, thus meet the requirement of different fin machining.
Below with reference to drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the sectional view of the present invention.
Fig. 2 is the side structure schematic diagram of the present invention.
Fig. 3 is the side view of limited block in the present invention.
Fig. 4 is the structural representation of flanging die in the present invention.
Fig. 5 is the structural representation of tearing notch punch end in the present invention.
Fig. 6 is the flow chart that the present invention processes fin.
Detailed description of the invention
Embodiment, if Fig. 1 is to shown in 5, a kind of processing stage progressive die for improving fin height, including Cope match-plate pattern 1 and lower bolster 2, the station of extending being arranged between cope match-plate pattern 1 and lower bolster 2, in work of extending It is disposed with punching station, tearing notch station after Wei, pulls out straight station and flange station.
Described station of extending, by one group of extend punch and the continuous action of die of extending, is formed on fin Convex closure.This station is identical with existing design, does not do concrete narration at this.
A fabrication hole, convenient lower road is gone out on the convex closure end face that station of extending is gone out by described punching station Convex closure end face is cut by tearing notch station.
Convex closure end face is cut into some parts by fabrication hole to surrounding by described tearing notch station;
Described pull out straight station the convex closure end face torn stretched so that it is be identical with convex closure draw direction, Thus increase the height of convex closure.
Described flange station carries out flange operation to the convex closure top after stretching, and is used for increasing lifting surface area.
The fin prepared by above-mentioned operation positions pore structure as it is shown on figure 3, this structure can be at former convex closure On the basis of height, the material of convex closure end face is stretched further, thus increase the whole height in hole, location. And the tearing notch structure of location bore ends, it is possible to prevent end face from ftractureing when stretching and damaging.
Concrete, described punching station and tearing notch station are arranged in same group of submodule;Including being arranged on lower mold The first fixed plate 3 on plate 2, the first fixed plate 3 is provided with the first pressing plate 4, the first pressing plate 4 sets It is equipped with the first stripper 5.It is provided with one group between described first stripper 5 and the first fixed plate 3 to unload first The discharging spring (not marking in figure) that flitch 5 ejects.It is provided with punching concave die in described first fixed plate 3 6 and tearing notch punch 7, punching concave die 6 and tearing notch punch 7 are fixed on the first fixed plate by the first pressing plate 4 On 3.The top of described tearing notch punch 7 is pyramidal structure, and the top of tearing notch punch 7 is provided with one group Section 71, the section 71 in the present embodiment has 6.It is fixedly installed punching convex on described cope match-plate pattern 1 Mould fixed plate 8, the lower section of piercing punch fixed plate 8 is installed with tearing notch die block 9, described punching The piercing punch 10 suitable with punching concave die 6, described tearing notch it is installed with on hole punch retainer 8 The tearing notch die 11 suitable with tearing notch punch 7, tearing notch die 11 it is installed with on die block 9 Tube-in-tube structure for hollow.The lower section of described tearing notch die block 9 is additionally provided with loading and unloading material plate 28, on The stop collar for controlling loading and unloading material plate 28 stroke it is provided with between stripper 28 and tearing notch die block 9 26, it is provided with discharging spring (not marking in figure) between loading and unloading material plate 28 and tearing notch die block 9.Institute The center stating piercing punch 10 is additionally provided with air inlet 101, and described punching concave die 6 is provided with material-dropping hole 61.The fin sheet material come by station of extending goes out fabrication hole, work through rushing station in the end face upper punch of convex closure The end of the size requirements tearing notch punch 7 in skill hole can put in hole, location.Then at four mouthfuls of punch and Under the effect of tearing notch die, the end face of convex closure being separated into several parts, the present embodiment is preferably 6 parts.
Pull out, after being arranged on tearing notch station, the second fixed plate 12 that straight station includes being arranged on lower bolster 2, The second pressing plate 13 being arranged in the second fixed plate 12, is arranged on the second stripper on the second pressing plate 13 14, it is provided with one group of top ejected by the second stripper 14 between the second stripper 14 and the second fixed plate 12 Go out spring (not marking in figure).It is provided with in described second fixed plate 12 and pulls out straight punch 15, pull out straight punch 15 are fixed in the second fixed plate 12 by the second pressing plate 13.Be provided with on described cope match-plate pattern 1 pull out the most recessed Mould fixed plate 16, pulls out and is installed with on straight die block 16 and pulls out suitable the pulling out directly of straight punch 15 Die 17, described in pull out and on straight die 17, be provided with the die cavity suitable with pulling out straight punch 15.This station will The convex closure end face cut open stretches so that it is consistent with the draw direction of convex closure.
Described flange station includes the backing plate 18 being arranged on lower bolster 2, is arranged on the die on backing plate 18 Plate 19, described concave template 19 is provided with die hole 20.It is provided with fixed plate 21 on described cope match-plate pattern 1, Being arranged on the flanging die fixed plate 22 below fixed plate 21, the lower section of flanging die fixed plate 22 is arranged There is the 3rd stripper 23, between the 3rd stripper 23 and flanging die fixed plate 22, be provided with ejector spring (figure In do not mark).
Be additionally provided with on described cope match-plate pattern 1 and tiltedly carve structure, described tiltedly carve structure include tiltedly carving 251, declivity Tiltedly carving 251 adjusting screw rods 253 moved left and right on carving 252 and driving, declivity is carved the lower section of 252 and is provided with Flanging die 24, described fixed plate 21, flanging die fixed plate 22 and the 3rd stripper 23 are respectively provided with There is the hole passed for flanging die 24.Described flanging die 24 upper end withstands on declivity and carves the lower surface of 252 On, the upper end of flanging die 24 is provided with end cap 242, sets between end cap 242 and flanging die fixed plate 22 It is equipped with ejector spring 27.By tiltedly carving the effect of structure and ejector spring, control the fortune up and down of flanging die Dynamic.It is provided with between described flanging die fixed plate 22 and the 3rd stripper 23 for controlling the 3rd discharging Plate 23 moves down the limited block 26 of distance.
Described limited block 26 includes top board 261, lower platen 262 and connects top board 261 and lower platen The riser 263 of 262, described top board 261 is pressed on the upper surface of flanging die fixed plate 22, described The heavy shoulder 231 coordinated with lower platen 262 it is provided with on 3rd stripper 23;Described limited block 26 is the 3rd The left and right sides of stripper 23 is each provided with one.
The fin prepared by above-mentioned mould structure, as shown in Figure 6, once by station of extending, punching Station, tearing notch station, pull out straight station and flange station.Thus form final location pore structure.It is fixed Wave-shaped structural is formed on the top in hole, position, well prevents the problem that top tears.By to work of extending Convex closure end face in Wei stretches, thus improves the height in hole, location, well solves fin material thin, The problem that hole, location height is unsatisfactory for requiring.

Claims (8)

1. for improving a processing stage progressive die for fin height, including cope match-plate pattern (1) and lower bolster (2), It is arranged on the station of extending between cope match-plate pattern (1) and lower bolster (2), it is characterised in that: in work of extending It is disposed with punching station, tearing notch station after Wei, pulls out straight station and flange station;
A fabrication hole is gone out on the convex closure end face that station of extending is gone out by described punching station;
Convex closure end face is cut into some parts by fabrication hole to surrounding by described tearing notch station;
Described pull out straight station the convex closure end face torn is stretched;
Described flange station carries out flange operation to the convex closure top after stretching.
2. the processing stage progressive die for improving fin height as claimed in claim 1, it is characterised in that: Described punching station and tearing notch station are arranged in same group of submodule;Including being arranged on lower bolster (2) First fixed plate (3), the first fixed plate (3) is provided with the first pressing plate (4), the first pressing plate (4) On be provided with the first stripper (5);Be provided with on described first fixed plate (3) punching concave die (6) and Tearing notch punch (7);Piercing punch fixed plate (8), punching convex it is fixedly installed on described cope match-plate pattern (1) The lower section of mould fixed plate (8) is installed with tearing notch die block (9), described piercing punch fixed plate (8) piercing punch (10) suitable with punching concave die (6), described tearing notch die it are installed with on The tearing notch die (11) suitable with tearing notch punch (7) it is installed with in fixed plate (9).
3. the processing stage progressive die for improving fin height as claimed in claim 1, it is characterised in that: Described pull out the second fixed plate (12) that straight station includes being arranged on lower bolster (2), be arranged on second solid Determine the second pressing plate (13) on plate (12), the second stripper (14) being arranged on the second pressing plate (13), Being provided with on described second fixed plate (12) and pull out straight punch (15), described cope match-plate pattern is provided with on (1) Pull out straight die block (16), pull out and on straight die block (16), be installed with and pull out straight punch (15) Suitable pulls out straight die (17).
4. the processing stage progressive die for improving fin height as claimed in claim 1, it is characterised in that: Described flange station includes the backing plate (18) being arranged on lower bolster (2), is arranged on backing plate (18) Concave template (19), described concave template (19) is provided with die hole (20);Described cope match-plate pattern (1) On be provided with fixed plate (21), be arranged on fixed plate (21) lower section flanging die fixed plate (22), The lower section of flanging die fixed plate (22) is provided with the 3rd stripper (23), described flanging die fixed plate (22) it is provided with flanging die (24) on, described flanging die (24) is provided with flange convex shoulder (241).
5. the processing stage progressive die for improving fin height as claimed in claim 4, it is characterised in that: The upper end of described flanging die (24) is also connected with being provided with for regulating the oblique of flanging die (24) height Carve structure, described tiltedly carve structure include tiltedly carving (251), declivity carve (252) and drive on tiltedly carve (251) The adjusting screw rod (253) moved left and right, described flanging die (24) upper end withstands on declivity and carves on (252), The upper end of flanging die (24) is provided with end cap (242), end cap (242) and flanging die fixed plate (22) Between be provided with ejector spring (27);Described flanging die fixed plate (22) and the 3rd stripper (23) it Between be provided with and move down the limited block (26) of distance for controlling the 3rd stripper (23).
6. the processing stage progressive die for improving fin height as claimed in claim 5, it is characterised in that: Described limited block (26) includes top board (261), lower platen (262) and connects top board (261) With the riser (263) of lower platen (262), described top board (261) is pressed in flanging die fixed plate (22) Upper surface on, described 3rd stripper (23) is provided with the heavy shoulder (231) coordinated with lower platen (262); Described limited block (26) is each provided with one in the left and right sides of the 3rd stripper (23).
7. the processing stage progressive die for improving fin height as claimed in claim 2, it is characterised in that: The center of described piercing punch (10) is additionally provided with air inlet (101), and described punching concave die sets on (6) It is equipped with material-dropping hole (61).
8. the processing stage progressive die for improving fin height as claimed in claim 2, it is characterised in that: The top of described tearing notch punch (7) is pyramidal structure, and the top of tearing notch punch (7) is provided with one Group section (71).
CN201610410852.7A 2016-06-03 2016-06-03 A kind of processing progressive die for improving fin height CN105834296B (en)

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Application Number Priority Date Filing Date Title
CN201610410852.7A CN105834296B (en) 2016-06-03 2016-06-03 A kind of processing progressive die for improving fin height

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CN105834296B CN105834296B (en) 2018-08-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109530571A (en) * 2018-11-15 2019-03-29 无锡海特精密模具有限公司 A kind of Efficient fin production technology
CN110860603A (en) * 2019-11-28 2020-03-06 无锡海特精密模具有限公司 Production process of automobile air conditioner fin

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CN103611819A (en) * 2013-12-02 2014-03-05 黄山三佳谊华精密机械有限公司 Single-row adjustable fin flanging die
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CN204220762U (en) * 2014-09-24 2015-03-25 上海德真工贸有限公司 For the progressive die of the two inserted sheet of synchronous production
CN104475564A (en) * 2014-11-18 2015-04-01 柳州市飞歌汽车配件有限公司 Continuous stamping die
CN105598270A (en) * 2016-03-30 2016-05-25 昆山市飞鹏金属工业有限公司 Inclined stud mold
CN205684569U (en) * 2016-06-03 2016-11-16 黄山三佳谊华精密机械有限公司 A kind of processing stage progressive die for improving fin height

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008132533A (en) * 2006-10-31 2008-06-12 Clim Ncd:Kk Press shearing die equipped with rotary-cutter device
CN201120432Y (en) * 2007-10-19 2008-09-24 黄山三佳谊华精密机械有限公司 Corrugation-preventing structure for thin material punch stretching die
CN101722229A (en) * 2008-10-16 2010-06-09 钱国钧 Automatic feed multi-station progressive die
CN202438613U (en) * 2012-02-21 2012-09-19 福建福模精密技术有限公司 Upper mould component for preventing waste material and jumped material in blanking process
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CN105598270A (en) * 2016-03-30 2016-05-25 昆山市飞鹏金属工业有限公司 Inclined stud mold
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109530571A (en) * 2018-11-15 2019-03-29 无锡海特精密模具有限公司 A kind of Efficient fin production technology
CN109530571B (en) * 2018-11-15 2020-12-15 无锡海特精密模具有限公司 High-efficiency fin production process
CN110860603A (en) * 2019-11-28 2020-03-06 无锡海特精密模具有限公司 Production process of automobile air conditioner fin

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