CN105290228A - Die for punching and flanging tantalum lining plate - Google Patents

Die for punching and flanging tantalum lining plate Download PDF

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Publication number
CN105290228A
CN105290228A CN201510844524.3A CN201510844524A CN105290228A CN 105290228 A CN105290228 A CN 105290228A CN 201510844524 A CN201510844524 A CN 201510844524A CN 105290228 A CN105290228 A CN 105290228A
Authority
CN
China
Prior art keywords
hole
lining plate
die
tantalum lining
flange
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
Application number
CN201510844524.3A
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Chinese (zh)
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CN105290228B (en
Inventor
方祥
朱方方
缪海雷
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.)
Chang Hua machine (Suzhou) heavy equipment Co., Ltd.
Original Assignee
Suzhou Tian Wo Science And Technology Co Ltd
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Application filed by Suzhou Tian Wo Science And Technology Co Ltd filed Critical Suzhou Tian Wo Science And Technology Co Ltd
Priority to CN201510844524.3A priority Critical patent/CN105290228B/en
Publication of CN105290228A publication Critical patent/CN105290228A/en
Application granted granted Critical
Publication of CN105290228B publication Critical patent/CN105290228B/en
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Classifications

    • 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
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00Shaping by press-cutting; Perforating
    • B21D28/24Perforating, i.e. punching holes
    • B21D28/34Perforating tools; Die holders

Abstract

The invention discloses a die for punching and flanging a tantalum lining plate, which belongs to the field of stamping dies. The die comprises an upper die and a lower die, wherein a concave die cavity which is concave inwards is formed in the lower end surface of the upper die, the bottom surface of the concave die cavity is a flat plane, a flanging boss which is matched with the concave die cavity is arranged on the upper end surface of the lower die, and the height of the flanging boss is higher than the depth of the concave die cavity. When the tantalum lining plate is placed in the concave die cavity and the upper die and the lower die are clamped, the flanging boss and the concave die cavity are matched, so that the periphery of the tantalum lining plate forms a flanging which can cover a tube plate; a plurality of flanging through holes which enable the tantalum lining plate to go out of a heat exchange tube through hole with a flanging are formed in the upper die, and a guide through hole which vertically penetrates through the lower die is formed in the flanging boss; a clamping device is further arranged between the upper die and the lower die, and the upper die can be close to or far from the lower die by adjusting the clamping device, so that the tantalum lining plate in the concave die cavity is clamped or loosened. The die has the advantages of convenience in use, easiness in processing and high dimensional accuracy of the processed heat exchange tube through hole and flanging.

Description

For the mould of tantalum lining plate piercing and flanging
Technical field
The present invention relates to diel field, particularly relate to a kind of mould for tantalum lining plate piercing and flanging.
Background technology
In sulfuric acid heater device, for cost-saving, tube sheet adopts carbon steel material manufacture usually, so must guarantee that shell side side medium sulfuric acid does not contact with tube sheet, to prevent because strong acid corrosion causes equipment to be destroyed.Method conventional is at present coated one deck tantalum lining plate on the surface of tube sheet contact corrosion medium, its structure is shown in Figure 1, tube sheet 7 and tantalum lining plate 5 are provided with the heat exchanger tube through hole wearing tantalum heat exchanger tube 8, in heat exchanger tube through hole, tensioner is provided with tantalum lining pipe 6, tantalum heat exchanger tube 8 is located in tantalum lining pipe 6, the inner of tantalum lining pipe 6 is welded mutually with the flange 51 of the heat exchanger tube through hole on tantalum lining plate 5, and the outer end of tantalum lining pipe 6 is welded mutually with the end of tantalum heat exchanger tube 8.Known from the above mentioned, the conveniently welded and installed of tantalum lining plate 5 and tantalum lining pipe 6, needs the heat exchanger tube through hole processing numerous band flange 51 on tantalum lining plate 5, simultaneously, the surrounding of tantalum lining plate 5 also will process the flange closed with tube sheet 7 matching form, makes tantalum lining plate 5 can be coated on tube sheet 7 side.Due to the One's name is legion of the tantalum heat exchanger tube 8 of setting on same tube sheet 7, therefore on tantalum lining plate 5, just need the heat exchanger tube through hole of the band flange 51 processing equal number, but due to adjacent heat exchange pipe through-hole flange between distance very little, make difficulty of processing very large, size not easily ensures, this can cause the welding quality in later stage to be affected, and easily causes weld defect.
Summary of the invention
The technical problem of solution required for the present invention is: provide a kind of easy to use, mould for tantalum lining plate piercing and flanging that can improve heat exchanger tube through hole and flange dimensional accuracy on tantalum lining plate.
For solving the problem, the technical solution used in the present invention is: for the mould of tantalum lining plate piercing and flanging, comprise: patrix and the counterdie matched with patrix, the lower surface of patrix is provided with the die groove caved inward, the bottom surface of die groove is smooth plane, the upper surface of counterdie is provided with and raises up, the flange boss matched with die groove, the height of flange boss is greater than the degree of depth of die groove, when tantalum lining plate to be positioned in die groove and after patrix and counterdie matched moulds, flange boss and die groove match and the surrounding punching press of tantalum lining plate can be made to form the flange that can envelope tube sheet, be provided with some tantalum lining plates that can make running through patrix in patrix above die groove and be rushed out the flange through hole of the heat exchanger tube through hole of band flange, be provided with the guide through hole of up/down perforation counterdie in flange boss, the punch work of flange through hole can be carried out by guide through hole to tantalum lining plate, between patrix and counterdie, be also provided with the clamping device that can make upper and lower mould matched moulds, by regulate clamping device can make patrix and counterdie is close to each other or away from thus clamp or unclamp the tantalum lining plate in die groove.
Further, the aforesaid mould for tantalum lining plate piercing and flanging, wherein: the concrete structure of described clamping device is: be provided with some upper installation pin-and-holes the surrounding up/down perforation of patrix, the surrounding of counterdie is provided with the lower installation pin-and-hole of some up/down perforations accordingly, intert in upper installation pin-and-hole and lower installation pin-and-hole and be provided with bolt, the afterbody of bolt is arranged with clamp nut.
Further, the aforesaid mould for tantalum lining plate piercing and flanging, wherein: described flange through hole is interconnective columniform through hole and conical through hole successively from top to bottom, conical through hole is positioned at the lower end of flange through hole, and the diameter of the small-caliber end of conical through hole is identical with the diameter of columniform through hole, the heavy caliber end opening of conical through hole is in the bottom surface of die groove.
Further, the aforesaid mould for tantalum lining plate piercing and flanging, wherein: be provided with on the oral area sidewall of die groove can place tantalum lining plate shelve platform.
The invention has the beneficial effects as follows: easy to use, difficulty of processing is little, the dimensional accuracy of the heat exchanger tube through hole that processes and flange is high.
Accompanying drawing explanation
Fig. 1 for the tantalum lining plate described in background technology after piercing and flanging with tube sheet, the interconnective structural representation of tantalum lining pipe.
Fig. 2 is the structural representation of the mould for tantalum lining plate piercing and flanging of the present invention.
Fig. 3 is view when making the surrounding of tantalum lining plate form flange in Fig. 2 after patrix and counterdie matched moulds.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, technical solutions according to the invention are described in further detail.
As shown in Figure 2, for the mould of tantalum lining plate piercing and flanging, comprise: patrix 1 and the counterdie 2 matched with patrix 1, the lower surface of patrix 1 is provided with the die groove 11 caved inward, the bottom surface of die groove 11 is smooth plane 111, the upper surface of counterdie 2 is provided with and raises up, the flange boss 21 matched with die groove 11, the height of flange boss 21 is greater than the degree of depth of die groove 11, as shown in Figure 3, when tantalum lining plate 5 to be positioned in die groove 11 and after patrix 1 and the 2-in-1 mould of counterdie, flange boss 21 and die groove 11 match and the surrounding punching press of tantalum lining plate 5 can be made to form the flange 52 that can envelope tube sheet.As shown in Figure 2 and Figure 3, be provided with some tantalum lining plates 5 that can make running through patrix 1 in patrix 1 above die groove 11 and be rushed out the flange through hole 13 of the heat exchanger tube through hole of band flange, the guide through hole 23 of up/down perforation counterdie 2 is provided with in flange boss 21, during actual use, the drift rushing flange through hole 13 upwards carries out the work of piercing and flanging to tantalum lining plate 5 by guide through hole 23, make heat exchanger tube through hole tantalum lining plate 5 being rushed out band flange.In addition, between patrix 1 and counterdie 2, be also provided with the clamping device 3 that can make upper and lower mould 1,2-in-1 mould, by regulate clamping device 3 can make patrix 1 and counterdie 2 close to each other or away from thus clamp or unclamp the tantalum lining plate 5 in die groove 11.In the present embodiment, the concrete structure of described clamping device 3 is: be evenly distributed with some upper installation pin-and-holes 112 running through patrix 1 up and down in the edge near patrix 1, some lower installation pin-and-holes 22 running through counterdie 2 are up and down evenly distributed with accordingly in the edge near counterdie 2, all intert in the lower installation pin-and-hole 22 that each upper installation pin-and-hole 112 is corresponding with it and be provided with bolt 31, the screw rod of bolt 31 is upwards successively by tightening fixing by clamp nut 32 after lower installation pin-and-hole 22 and upper installation pin-and-hole 112, screw or unscrew each bolt 31 and nut 32 can make patrix 1 and counterdie 2 close to each other or away from thus clamp or unclamp tantalum lining plate 5, very convenient.
As shown in Figure 2, in the present embodiment, described flange through hole 13 is interconnective columniform through hole and conical through hole successively from top to bottom, conical through hole is positioned at the lower end of flange through hole 13, and the diameter of the small-caliber end of conical through hole is identical with the diameter of columniform through hole, the heavy caliber end opening of conical through hole is in the bottom surface of die groove 11, like this, when upwards being gone out the heat exchanger tube through hole of band flange on tantalum lining plate 5 by guide through hole 23, the flange of each heat exchanger tube through hole of tantalum lining plate 5 is upwards fitted in cone-shaped hole in each flange through hole 13 and cylindrical hole, thus form the identical flange of shape with it, flange dimensional accuracy is high.In the present embodiment, the oral area sidewall of die groove 11 is provided with can place tantalum lining plate 5 shelve platform 113, as shown in Figure 3, when tantalum lining plate 5 is positioned over shelving in platform 113 of die groove 11 and after patrix 1 and the 2-in-1 mould of counterdie, the surrounding of tantalum lining plate 5 forms the flange 52 that can envelope tube sheet owing to being subject to the extruding of the sidewall of flange boss 21 and die groove 11, now, between the flat surface 111 that the middle part of tantalum lining plate 5 is clamped in die groove 11 bottom surface and the upper surface of flange boss 21, be convenient to the follow-up heat exchanger tube through hole going out band flange.
The above-mentioned mold use method for tantalum lining plate piercing and flanging is as follows: first put into by tantalum lining plate 5 and shelve platform 113, then patrix 1 is aimed at counterdie 2 and close up, tighten each bolt 31 and clamp nut 32 again to state as shown in Figure 2, namely tantalum lining plate 5 holds and shelves in platform 113 at die groove 11 by the flange boss 21 of counterdie 2, after this continue to tighten each bolt 31 and clamp nut 32 makes patrix 1 and the 2-in-1 mould of counterdie, as shown in Figure 3, the effect of cooperatively interacting of flange boss 21 and die groove 11 makes the surrounding of tantalum lining plate 5 to be stamped the flange 52 being formed and can envelope tube sheet, thus the flange work completed edge, tantalum lining plate 5 surrounding.Next drift just can be used on tantalum lining plate 5, to go out the heat exchanger tube through hole of band flange by guide through hole 23.
The advantage of the mould for tantalum lining plate piercing and flanging of said structure is: easy to use, difficulty of processing is little, the dimensional accuracy of the heat exchanger tube through hole that processes and flange is high.

Claims (5)

1. for the mould of tantalum lining plate piercing and flanging, comprise: patrix and the counterdie matched with patrix, it is characterized in that: the lower surface of patrix is provided with the die groove caved inward, the bottom surface of die groove is smooth plane, the upper surface of counterdie is provided with flange boss that raise up, that match with die groove, the height of flange boss is greater than the degree of depth of die groove, when tantalum lining plate to be positioned in die groove and after patrix and counterdie matched moulds, flange boss and die groove match and the surrounding punching press of tantalum lining plate can be made to form the flange that can envelope tube sheet; Be provided with some tantalum lining plates that can make running through patrix in patrix above die groove and be rushed out the flange through hole of the heat exchanger tube through hole of band flange, be provided with the guide through hole of up/down perforation counterdie in flange boss, the punch work of flange through hole can be carried out by guide through hole to tantalum lining plate; Between patrix and counterdie, be also provided with the clamping device that can make upper and lower mould matched moulds, by regulate clamping device can make patrix and counterdie is close to each other or away from thus clamp or unclamp the tantalum lining plate in die groove.
2. the mould for tantalum lining plate piercing and flanging according to claim 1, it is characterized in that: the concrete structure of described clamping device is: be provided with some upper installation pin-and-holes the surrounding up/down perforation of patrix, the surrounding of counterdie is provided with the lower installation pin-and-hole of some up/down perforations accordingly, intert in upper installation pin-and-hole and lower installation pin-and-hole and be provided with bolt, the afterbody of bolt is arranged with clamp nut.
3. the mould for tantalum lining plate piercing and flanging according to claim 1 and 2, it is characterized in that: described flange through hole is interconnective columniform through hole and conical through hole successively from top to bottom, conical through hole is positioned at the lower end of flange through hole, and the diameter of the small-caliber end of conical through hole is identical with the diameter of columniform through hole, the heavy caliber end opening of conical through hole is in the bottom surface of die groove.
4. the mould for tantalum lining plate piercing and flanging according to claim 1 and 2, is characterized in that: be provided with on the oral area sidewall of die groove can place tantalum lining plate shelve platform.
5. the mould for tantalum lining plate piercing and flanging according to claim 3, is characterized in that: be provided with on the oral area sidewall of die groove can place tantalum lining plate shelve platform.
CN201510844524.3A 2015-11-30 2015-11-30 For the mold of tantalum lining plate piercing and flanging Active CN105290228B (en)

Priority Applications (1)

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CN201510844524.3A CN105290228B (en) 2015-11-30 2015-11-30 For the mold of tantalum lining plate piercing and flanging

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Application Number Priority Date Filing Date Title
CN201510844524.3A CN105290228B (en) 2015-11-30 2015-11-30 For the mold of tantalum lining plate piercing and flanging

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CN105290228A true CN105290228A (en) 2016-02-03
CN105290228B CN105290228B (en) 2018-06-19

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201012375Y (en) * 2007-01-25 2008-01-30 青岛双星数控锻压机械有限公司 Eyelet punching flanging composite mold
JP4611205B2 (en) * 2003-09-05 2011-01-12 株式会社ユタカ技研 Press forming method and press forming apparatus for plate material
CN103302179A (en) * 2013-05-03 2013-09-18 西安交通大学 Squeezing and bending mold for supporting arch foil of elastic foil gas radial bearing
CN105013935A (en) * 2014-04-29 2015-11-04 哈尔滨飞机工业集团有限责任公司 Punching die structure used for punching metal plate piece lightening holes
CN205324465U (en) * 2015-11-30 2016-06-22 苏州天沃科技股份有限公司 Be used for tantalum lining board turn down rims mould that punches a hole

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4611205B2 (en) * 2003-09-05 2011-01-12 株式会社ユタカ技研 Press forming method and press forming apparatus for plate material
CN201012375Y (en) * 2007-01-25 2008-01-30 青岛双星数控锻压机械有限公司 Eyelet punching flanging composite mold
CN103302179A (en) * 2013-05-03 2013-09-18 西安交通大学 Squeezing and bending mold for supporting arch foil of elastic foil gas radial bearing
CN105013935A (en) * 2014-04-29 2015-11-04 哈尔滨飞机工业集团有限责任公司 Punching die structure used for punching metal plate piece lightening holes
CN205324465U (en) * 2015-11-30 2016-06-22 苏州天沃科技股份有限公司 Be used for tantalum lining board turn down rims mould that punches a hole

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Effective date of registration: 20180326

Address after: 215632, Linjiang Road, Changshan village, Nansha Town, Zhangjiagang, Jiangsu, Suzhou 1, China

Applicant after: Chang Hua machine (Suzhou) heavy equipment Co., Ltd.

Address before: Suzhou City, Jiangsu province 215632 gold town Zhangjiagang city after Cheng Cheng Yang Road Suzhou tianwo Polytron Technologies Inc

Applicant before: Suzhou Tian Wo Science and Technology Co., Ltd.

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