CN105290228B - For the mold of tantalum lining plate piercing and flanging - Google Patents
For the mold of tantalum lining plate piercing and flanging Download PDFInfo
- Publication number
- CN105290228B CN105290228B CN201510844524.3A CN201510844524A CN105290228B CN 105290228 B CN105290228 B CN 105290228B CN 201510844524 A CN201510844524 A CN 201510844524A CN 105290228 B CN105290228 B CN 105290228B
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- CN
- China
- Prior art keywords
- hole
- flange
- lining plate
- cavity plate
- tantalum lining
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Abstract
The invention discloses the mold for tantalum lining plate piercing and flanging in stamping die field, including：Upper die and lower die, the lower face of upper mold is equipped with the cavity plate slot being recessed inwardly, the bottom surface of cavity plate slot is smooth plane, the upper surface of lower die is equipped with and the matched flange boss of cavity plate slot, the height of flange boss is more than the depth of cavity plate slot, after tantalum lining plate is positioned in cavity plate slot and upper and lower mould molds, flange boss and cavity plate slot match the flange that can make the surrounding formation of tantalum lining plate that can envelope tube sheet；Several flange through-holes that tantalum lining plate can be made to be rushed out the heat exchange pipe through-hole with flange are equipped in upper mold, the guide through hole of up/down perforation lower die is equipped in flange boss；Clamping device is additionally provided between upper and lower mould, upper and lower mould can be made close to each other or far from so as to clamp or unclamp the tantalum lining plate in cavity plate slot by adjusting clamping device.The heat exchange pipe through-hole and the dimensional accuracy of flange that the present invention is easy to use, difficulty of processing is small, processes are high.
Description
Technical field
The present invention relates to stamping die field more particularly to a kind of molds for tantalum lining plate piercing and flanging.
Background technology
It is cost-effective, tube sheet generally use carbon steel material manufacture, so must assure that shell in sulfuric acid heater device
Journey side medium sulfuric acid is not contacted with tube sheet, to prevent from equipment being caused to be destroyed because of strong acid corrosion.Currently used method is in pipe
One layer of tantalum lining plate is coated on the surface of plate contact corrosion medium, structure is shown in Figure 1, is all provided on tube sheet 7 and tantalum lining plate 5
It is equipped with to wear the heat exchange pipe through-hole of tantalum heat exchanger tube 8, tensioner is provided with tantalum lining pipe 6 in the pipe through-hole that exchanges heat, and tantalum heat exchanger tube 8 is worn
It is located in tantalum lining pipe 6,51 phase of flange of the inner end of tantalum lining pipe 6 and the heat exchange pipe through-hole on tantalum lining plate 5 is welded, outside tantalum lining pipe 6
The end with tantalum heat exchanger tube 8 is held mutually to weld.From the above mentioned it is found that the welded and installed of tantalum lining plate 5 and tantalum lining pipe 6 for convenience, needs
Numerous heat exchange pipe through-holes with flange 51 are processed on tantalum lining plate 5, meanwhile, the surrounding of tantalum lining plate 5 also will be processed and be managed
The matched flange of 7 shape of plate enables tantalum lining plate 5 to be coated on 7 side of tube sheet.Due to the tantalum heat exchanger tube 8 set on same tube sheet 7
It is large number of, therefore just need on tantalum lining plate 5 to process the heat exchange pipe through-hole with flange 51 of identical quantity, but due to
The distance between the flange of adjacent heat exchange pipe through-hole very little so that difficulty of processing is very big, and size is not easy to ensure, this can cause the later stage
Welding quality be affected, easily cause weld defect.
Invention content
It is the technical issues of solution needed for of the invention：Offer one kind is easy to use, can improve the pipe through-hole that exchanges heat on tantalum lining plate
And the mold for tantalum lining plate piercing and flanging of flange dimensional accuracy.
To solve the above problems, the technical solution adopted by the present invention is：For the mold of tantalum lining plate piercing and flanging, including：
Upper mold and with the matched lower die of upper mold, the lower face of upper mold is provided with the cavity plate slot being recessed inwardly, and the bottom surface of cavity plate slot is flat
Whole plane, the upper surface of lower die are provided with the raise up and matched flange boss of cavity plate slot, the height of flange boss
More than the depth of cavity plate slot, after tantalum lining plate is positioned in cavity plate slot and upper mold is molded with lower die, flange boss and cavity plate slot
Match the flange that the surrounding of tantalum lining plate can be made to be stamped and formed out to envelope tube sheet；It is provided in upper mold above cavity plate slot several
Tantalum lining plate can be made to be rushed out the flange through-hole of the heat exchange pipe through-hole with flange through upper mold, be provided in flange boss and pass through up and down
The guide through hole of logical lower die can carry out tantalum lining plate by guide through hole the punch work of flange through-hole；Upper mold and lower die it
Between be additionally provided with the clamping device that can make the molding of upper and lower mould, upper mold and lower die can be made close to each other by adjusting clamping device or
Far from so as to clamp or unclamp the tantalum lining plate in cavity plate slot.
Further, the mold of tantalum lining plate piercing and flanging is previously described for, wherein：The concrete structure of the clamping device
For：Several upper installation pin holes are provided with to the surrounding up/down perforation of upper mold, the surrounding of lower die is correspondingly provided with above and below several
The lower installation pin hole of perforation, upper installation pin hole are provided with bolt with interting in lower installation pin hole, and the tail portion of bolt is arranged with fastening
Nut.
Further, the mold of tantalum lining plate piercing and flanging is previously described for, wherein：The flange through-hole for from top to bottom according to
The cylindrical through-hole of secondary interconnection and the through-hole of cone, conical through-hole are located at the lower end of flange through-hole, and circle
The diameter of the small-caliber end of the through-hole of taper is identical with the diameter of cylindrical through-hole, the heavy caliber end opening of conical through-hole
In the bottom surface of cavity plate slot.
Further, the mold of tantalum lining plate piercing and flanging is previously described for, wherein：It is set on the oral area side wall of cavity plate slot
There is can place tantalum lining plate to shelve platform.
The beneficial effects of the invention are as follows：It is easy to use, difficulty of processing is small, process heat exchange pipe through-hole and flange size
Precision is high.
Description of the drawings
Fig. 1 is that the structure that the tantalum lining plate described in background technology is connected with each other after piercing and flanging with tube sheet, tantalum lining pipe is shown
It is intended to.
Fig. 2 is the structure diagram of the mold of the present invention for tantalum lining plate piercing and flanging.
Fig. 3 is the status diagram that upper mold and lower die cause when the surrounding of tantalum lining plate forms flange in Fig. 2 after molding.
Specific embodiment
Below in conjunction with the accompanying drawings and preferred embodiment is described in further detail technical solutions according to the invention.
As shown in Fig. 2, for the mold of tantalum lining plate piercing and flanging, including：Upper mold 1 and with 1 matched lower die 2 of upper mold,
The lower face of upper mold 1 is provided with the cavity plate slot 11 being recessed inwardly, and the bottom surface of cavity plate slot 11 is smooth plane 111, lower die 2 it is upper
End face is provided with raise up and 11 matched flange boss 21 of cavity plate slot, and the height of flange boss 21 is more than cavity plate slot
11 depth, as shown in figure 3, after tantalum lining plate 5 is positioned in cavity plate slot 11 and upper mold 1 is molded with lower die 2, flange boss 21
The flange 52 that the surrounding of tantalum lining plate 5 can be made to be stamped and formed out to envelope tube sheet is matched with cavity plate slot 11.As shown in Figure 2 and Figure 3,
Be provided in the upper mold 1 of the top of cavity plate slot 11 several can make tantalum lining plate 5 be rushed out the heat exchange pipe through-hole with flange through upper mold 1
Flange through-hole 13, the guide through hole 23 of up/down perforation lower die 2 is provided in flange boss 21, in actual use, flange is rushed and leads to
The punch in hole 13 upwards can be punched out tantalum lining plate 5 by guide through hole 23 work of flange, make to be rushed out band on tantalum lining plate 5
The heat exchange pipe through-hole of flange.In addition, the clamping device that can mold upper and lower mould 1,2 is additionally provided between upper mold 1 and lower die 2
3, upper mold 1 can be made close to each other or separate so as to clamp or unclamp the tantalum in cavity plate slot 11 with lower die 2 by adjusting clamping device 3
Liner plate 5.In the present embodiment, the concrete structure of the clamping device 3 is：It is uniformly distributed in the edge close to upper mold 1
There are several upper installation pin holes 112 for running through upper mold 1 up and down, be correspondingly evenly distributed in the edge close to lower die 2
Several lower installation pin holes 22 for running through lower die 2 up and down, each upper install are interted in the corresponding lower installation pin hole 22 of pin hole 112
It is provided with bolt 31, the screw rod of bolt 31 is passed sequentially through after lower installation pin hole 22 and upper installation pin hole 112 upwards by fastening spiral shell
Mother 32 tightens fixation, screws or unscrewing each bolt 31 and nut 32 can make upper mold 1 close to each other or separate so as to clamp with lower die 2
Or tantalum lining plate 5 is unclamped, it is very convenient.
As shown in Fig. 2, in the present embodiment, the flange through-hole 13 is the cylinder being connected with each other successively from top to bottom
The through-hole of through-hole and cone, conical through-hole is located at the lower end of flange through-hole 13, and the through-hole of cone is small-bore
The diameter at end is identical with the diameter of cylindrical through-hole, the heavy caliber end opening of conical through-hole in the bottom surface of cavity plate slot 11,
In this way, when by guide through hole 23 upwards when going out the heat exchange pipe through-hole with flange on tantalum lining plate 5, each heat exchange of tantalum lining plate 5
The flange of pipe through-hole is fitted in upwards in the cone-shaped hole and cylindrical hole in each flange through-hole 13, so as to form shape therewith
The identical flange of shape, flange dimensional accuracy are high.In the present embodiment, tantalum can be placed by being provided on the oral area side wall of cavity plate slot 11
Liner plate 5 shelves platform 113, as shown in figure 3, when tantalum lining plate 5 be positioned over cavity plate slot 11 shelve in platform 113 and upper mold 1
After being molded with lower die 2, the surrounding of tantalum lining plate 5 due to the extruding by flange boss 21 and the side wall of cavity plate slot 11 and being formed can wrap
Cover the flange 52 of tube sheet, at this point, the middle part of tantalum lining plate 5 be clamped in 11 bottom surface of cavity plate slot flat surface 111 and flange it is convex
Between the upper surface of platform 21, convenient for subsequently going out the heat exchange pipe through-hole with flange.
The application method of the above-mentioned mold for tantalum lining plate piercing and flanging is as follows：Tantalum lining plate 5 is put into first and shelves platform
In 113, then upper mold 1 with lower die 2 is aligned and is closed up, then tighten each bolt 31 and clamp nut 32 to state as shown in Figure 2, i.e.,
Tantalum lining plate 5 is held and shelves platform 113 in cavity plate slot 11 by the flange boss 21 of lower die 2, hereafter continues to tighten each bolt 31
Upper mold 1 is made to be molded with lower die 2 with clamp nut 32, as shown in figure 3, the mutual cooperation effect of flange boss 21 and cavity plate slot 11 makes
The surrounding for obtaining tantalum lining plate 5 is stamped to form the flange 52 that can envelope tube sheet, so as to complete the flange to 5 surrounding edge of tantalum lining plate
Work.Next the heat exchange pipe through-hole with flange can be gone out on tantalum lining plate 5 by guide through hole 23 using punch.
Above structure for tantalum lining plate piercing and flanging mold the advantages of be：It is easy to use, difficulty of processing is small, processing
The heat exchange pipe through-hole and the dimensional accuracy of flange gone out is high.
Claims (5)
1. for the mold of tantalum lining plate piercing and flanging, including：Upper mold and with the matched lower die of upper mold, it is characterised in that：Upper mold
Lower face be provided with the cavity plate slot being recessed inwardly, the bottom surface of cavity plate slot is smooth plane, the upper surface of lower die be provided with to
Upper protrusion, with the matched flange boss of cavity plate slot, the height of flange boss is more than the depth of cavity plate slot, when tantalum lining plate is placed
In cavity plate slot and after the molding of upper mold and lower die, flange boss and cavity plate slot, which match, can be stamped and formed out the surrounding of tantalum lining plate
The flange of tube sheet can be enveloped；Be provided in upper mold above cavity plate slot several can make tantalum lining plate be rushed out band to turn over through upper mold
The flange through-hole of the heat exchange pipe through-hole on side, the guide through hole of up/down perforation lower die is provided in flange boss, passes through guide through hole
The punch work of flange through-hole can be carried out to tantalum lining plate；The folder of upper and lower mould molding can be made by being additionally provided between upper mold and lower die
Tight device can make upper mold close to each other or separate so as to clamp or unclamp the tantalum in cavity plate slot with lower die by adjusting clamping device
Liner plate.
2. the mold according to claim 1 for tantalum lining plate piercing and flanging, it is characterised in that：The tool of the clamping device
Body structure is：Several upper installation pin holes are provided with to the surrounding up/down perforation of upper mold, if the surrounding of lower die is correspondingly provided with
The lower installation pin hole of dry up/down perforation, upper installation pin hole are provided with bolt with interting in lower installation pin hole, and the tail portion of bolt is arranged
There is clamp nut.
3. the mold according to claim 1 or 2 for tantalum lining plate piercing and flanging, it is characterised in that：The flange through-hole
For the cylindrical through-hole and the through-hole of cone being connected with each other successively from top to bottom, conical through-hole is located at flange through-hole
Lower end, and the diameter of the small-caliber end of the through-hole of cone is identical with the diameter of cylindrical through-hole, conical through-hole
Heavy caliber end opening is in the bottom surface of cavity plate slot.
4. the mold according to claim 1 or 2 for tantalum lining plate piercing and flanging, it is characterised in that：In the mouth of cavity plate slot
Be provided on portion's side wall can place tantalum lining plate shelve platform.
5. the mold according to claim 3 for tantalum lining plate piercing and flanging, it is characterised in that：In the oral area side of cavity plate slot
Be provided on wall can place tantalum lining plate shelve platform.
Priority Applications (1)
| 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 |
Applications Claiming Priority (1)
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105290228A CN105290228A (en) | 2016-02-03 |
| CN105290228B true CN105290228B (en) | 2018-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510844524.3A Active CN105290228B (en) | 2015-11-30 | 2015-11-30 | For the mold of tantalum lining plate piercing and flanging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105290228B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005023449A1 (en) * | 2003-09-05 | 2005-03-17 | Yutaka Giken Co., Ltd. | Plate material press forming method and press forming device |
| 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 |
| CN103302179B (en) * | 2013-05-03 | 2015-08-05 | 西安交通大学 | A kind of extruding bending mould of supporting arch paper tinsel of compliant foil gas journal 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 |
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2015
- 2015-11-30 CN CN201510844524.3A patent/CN105290228B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105290228A (en) | 2016-02-03 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
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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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |