CN103736837A - Heat exchanger oval tube fin punching technology and die special for same - Google Patents
Heat exchanger oval tube fin punching technology and die special for same Download PDFInfo
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- CN103736837A CN103736837A CN201310579953.3A CN201310579953A CN103736837A CN 103736837 A CN103736837 A CN 103736837A CN 201310579953 A CN201310579953 A CN 201310579953A CN 103736837 A CN103736837 A CN 103736837A
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- heat exchanger
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- flanging
- plate pattern
- tube fin
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Abstract
The invention provides a heat exchanger oval tube fin punching technology which can achieve continuous machining and continuous forming, and is high in efficiency and safety. The heat exchanger oval tube fin punching technology is characterized by comprising the following steps of stretching, wherein strip materials formed by winding are sequentially punched and stretched into groove shapes; (2) punching and flanging, wherein the grooves, formed in the step (1), of the strip materials are punched and flanged; (3) bridge piece punching, wherein bridge piece punching is conducted on the strip materials at the rear end of a hole; (4) secondary flanging, wherein secondary flanging is conducted on the hole formed through punching and flanging in the step (2); (5) cutting, wherein the strip materials are cut longitudinally, and product blanking is achieved; (6) material pulling, wherein the strip materials are pulled to a next working station; (7) transverse cutting, wherein board materials of the formed oval hole are cut transversely, and product blanking is achieved. The invention further provides a die special for heat exchanger oval tube fin punching and machining.
Description
Technical field
The present invention relates to the technical field of product processing technique and mould thereof, be specially a kind of heat exchanger elliptical tube fin Sheet Metal Forming Technology and particular manufacturing craft thereof.
Background technology
Process device during heat exchanger transmits as heat, in industrial circle, application is very extensive.Be accompanied by the situation that the various energy is day by day in short supply, the appropriate design of heat exchanger, running and improvement are very important for saving fund, material, the energy and space.Finned tube exchanger, as a kind of compact heat exchanger, is widely used, and has very high heat exchange efficiency in the industrial circles such as power, chemical industry, refrigeration, and generally, its base tube is pipe, finds after deliberation, and elliptical tube has less drag losses.Oval tube heat exchanger is compared with conventional pipe heat exchanger, and the main distinction is to have replaced pipe with elliptical tube.Because elliptical tube has good aerodynamic characteristic, direction of flow is similar to streamlined, air can flow through smoothly from surface, the burble point of air-flow and pipe moves backward, has reduced the whirlpool district after pipe, thereby has reduced air drag, compare with the pipe of same cross-sectional, wetted perimeter has lengthened 21%, and surface area is large 15%, and pipe internal thermal resistance is little by 20～30%; Elliptical tube can be realized compact tube bundle structure, under identical exchange capability of heat, can reduce air cooler appearance and size more than 20%, saves and takes up an area space.The air drag of oval tube heat exchanger is about 50% of pipe heat exchanger.Under the equal conditions such as identical refrigerating capacity (heating capacity), identical air quantity, oval tube heat exchanger air drag is 50% left and right of corresponding circle heat exchange of heat pipe, so application oval tube heat exchanger air-conditioning box air transmitting power is 50% left and right of corresponding pipe, saves energy consumption of electrical machinery 50% left and right.Air-conditioner fin is the important component part of heat exchanger, has determined the heat dispersion of heat exchanger.
The punching press of existing heat exchanger elliptical tube fin, traditional processing method adopts single acting die processing exactly, through multi-step process, processes, and working (machining) efficiency is low, and every procedure, all needs feeding, feeding, and security is low, and efficiency is also low.
Summary of the invention
For the problems referred to above, the invention provides a kind of heat exchanger elliptical tube fin Sheet Metal Forming Technology, it can be processed continuously, continuously shaped, and efficiency is high, security, for this reason, the present invention also provides heat exchanger elliptical tube fin punch process particular manufacturing craft.
Its technical scheme is such: a kind of heat exchanger elliptical tube fin Sheet Metal Forming Technology, it is characterized in that: it comprises the following steps,
(1) stretch, the band of coiling and molding is expected to punching stretch becomes groove shape successively;
(2) piercing and flanging, carries out piercing and flanging to the band material groove in step (1);
(3) rush bridge sheet, the band material of rear end, hole is rushed to bridge sheet;
(4) quadric flanging, carries out quadric flanging to the hole of piercing and flanging moulding in step (2);
(5) cut off, band material slit shearing;
(6) draw material, band material is drawn in to next work station;
(7) crosscut, the band material lateral dissection moulding elliptical aperture, realizes product blanking.
A kind of heat exchanger elliptical tube fin punch process particular manufacturing craft, it comprises cope match-plate pattern and lower bolster, between described cope match-plate pattern and described lower bolster, by the guide pillar matched moulds that leads, it is characterized in that: on described cope match-plate pattern and lower bolster, correspondence is provided with stretching submodule, extruding tool, rushes bridge sheet submodule, quadric flanging, slit sub-die, draws material for making clothes mould and knife edge die.
It is further characterized in that:
Described stretching submodule comprises draw punch and patrix, and described draw punch is flexibly connected described lower bolster by tapered wedges, and described tapered wedges comprises upper tapered wedges and the lower tapered wedges cooperatively interacting, and described lower tapered wedges connects described lower bolster by adjusting bolt; Described patrix is fixed on upper mould fixed plate, and described upper mould fixed plate connects described cope match-plate pattern;
Described extruding tool comprises piercing and flanging drift, and described piercing and flanging drift is fixed on described cope match-plate pattern, is provided with the material-dropping hole corresponding with described piercing and flanging drift on described lower bolster;
The described bridge sheet submodule of rushing comprises and rushes bridge sheet drift, and the described bridge sheet drift that rushes is arranged on described cope match-plate pattern;
Described quadric flanging mould comprises flange drift, and described flange drift connects described cope match-plate pattern; Described flange drift connects described cope match-plate pattern by tapered wedges, and described tapered wedges comprises upper tapered wedges and the lower tapered wedges cooperatively interacting, and described upper tapered wedges connects cope match-plate pattern by adjusting bolt, and described flange drift connects described lower tapered wedges by spring;
Described slit sub-die comprises cutting knife, and described cutting knife is arranged on described cope match-plate pattern;
The described material for making clothes mould that draws comprises the wedge with inclined-plane, described wedge is arranged on described cope match-plate pattern, on described lower bolster, be provided with movable supporting plate, on described movable supporting plate, corresponding described wedge is provided with lever, on described lower bolster, corresponding described movable supporting plate is provided with flexible up and down flexible bumping post, and the relative plate direction of motion of described flexible bumping post is inclined plane; Described movable supporting plate is connected described lower bolster with spring by guide rail; Described flexible bumping post connects described lower bolster by spring;
Described knife edge die comprises fracture cutting knife, and described fracture cutting knife is arranged on described cope match-plate pattern.
Adopt said method of the present invention, can realize continuous processing, continuously shaped, improved the security of production efficiency and production.
Accompanying drawing explanation
Fig. 1 is heat exchanger elliptical tube fin structure figure of the present invention;
Fig. 2 is the main TV structure schematic diagram of heat exchanger elliptical tube fin punching press particular manufacturing craft of the present invention;
Fig. 3 is heat exchanger elliptical tube fin punching press particular manufacturing craft lower die structure top view;
Fig. 4 is stretching submodule structure schematic diagram;
Fig. 5 is extruding tool structural representation;
Fig. 6 is quadric flanging mode structure schematic diagram.
The specific embodiment
See Fig. 1, Fig. 2, a kind of heat exchanger elliptical tube fin punch process particular manufacturing craft, it comprises cope match-plate pattern 1 and counterdie 2, between cope match-plate pattern 1 and lower bolster 2, by guide pillar 3 guiding matched moulds, on cope match-plate pattern 1 and lower bolster 2, correspondence is provided with stretching submodule 4, extruding tool 5, rushes bridge sheet submodule 6, quadric flanging mould 7, slit sub-die 8, draws material for making clothes mould 9 and knife edge die 10.
See Fig. 1, Fig. 2, Fig. 4, stretching submodule 4 comprises draw punch 11, draw punch 11 is flexibly connected lower bolster 2 by tapered wedges 14, tapered wedges 14 comprises upper tapered wedges 14a and the lower tapered wedges 14b cooperatively interacting, lower tapered wedges 14b connects lower bolster 2 by adjusting bolt 15, patrix (not shown in FIG.) is fixed on upper mould fixed plate 12, and upper mould fixed plate 12 connects cope match-plate pattern 1.
See Fig. 2, Fig. 3, Fig. 5, extruding tool 5 comprises piercing and flanging drift 16, and piercing and flanging drift 16 is fixed on cope match-plate pattern 1 by upper mould fixed plate 21, is provided with the material-dropping hole corresponding with piercing and flanging drift 16 18 on lower bolster 2;
See Fig. 1, Fig. 2, rush bridge sheet submodule 6 and comprise and rush bridge sheet drift 17, rush bridge sheet drift 17 and be arranged on cope match-plate pattern 1.
See Fig. 2, Fig. 3, Fig. 6, quadric flanging mould 7 comprises flange drift 20, flange drift 20 connects cope match-plate pattern 1 by tapered wedges 19, tapered wedges 19 comprises upper tapered wedges 19a and the lower tapered wedges 19b cooperatively interacting, upper tapered wedges 19a connects cope match-plate pattern 1 by adjusting bolt 23, and flange drift 20 connects lower wedge block 19b by spring 33.
See Fig. 2, Fig. 3 slit sub-die 8 comprises cutting knife 24, cutting knife 24 is arranged on cope match-plate pattern 1.
See Fig. 2, Fig. 3, draw material for making clothes mould 9 to comprise the wedge 22 with inclined-plane, wedge 22 is arranged on cope match-plate pattern 1, lower bolster 2 is provided with movable supporting plate 26, movable supporting plate 26 is connected lower bolster 2 by guide rail 25 with spring 27, on movable supporting plate 26, corresponding slotting tool 22 is provided with lever 28, on lever 28, be set with bearing 29, on lower bolster 2, corresponding movable supporting plate 26 is provided with flexible up and down flexible bumping post 30, the flexible relative plate direction of motion of bumping post 30 is inclined plane, and flexible bumping post 30 connects lower bolster 2 by spring 31.
See Fig. 2, Fig. 3, knife edge die 10 comprises fracture cutting knife 32, and fracture cutting knife 32 is arranged on cope match-plate pattern 1.
Below in conjunction with Fig. 1, Fig. 2, heat exchanger elliptical tube fin Sheet Metal Forming Technology of the present invention is described, it comprises the following steps,
(1) stretch, cope match-plate pattern 1 is descending, and upper and lower mould matched moulds expects that by the band of draw punch 11 coiling and moldings punching stretch becomes groove shape successively;
(2) piercing and flanging, cope match-plate pattern 1 is up, and band material travels forward, and by piercing and flanging drift 16, is coordinated plate groove is carried out to piercing and flanging with material-dropping hole 18;
(3) rush bridge sheet, cope match-plate pattern 1 is up, and band material travels forward, and the band material that rushes rear end, 17 pairs of holes of bridge sheet drift rushes bridge sheet;
(4) quadric flanging, cope match-plate pattern 1 is up, and band material travels forward, and quadric flanging is carried out in the hole of 20 pairs of flange moulding of flange drift;
(5) rip cutting, cope match-plate pattern 1 is up, and band material travels forward, and according to user's specified size, by cutting knife 24, band material is longitudinally cut;
(6) draw material, cope match-plate pattern 1 is up, and band material travels forward, and plate enters and draws in material for making clothes mould 9, and later band material travels forward by drawing material for making clothes mould 9 to pull;
(7) cut off, fracture cutting knife 28, the band material slit shearing of moulding elliptical aperture, is realized product blanking forming.
In above-mentioned processing step, during the action of this station, a upper station also carries out work (fracture cutting knife is to carry out work according to product length, and fracture cutting knife can all not move at every turn) at the same time, owing to processing the drift of each operation, is arranged at same mould, the every matched moulds of patrix counterdie once, multi-step process carries out simultaneously, realizes processing continuously, continuously shaped, efficiency is high, and security might as well.
Claims (10)
1. a heat exchanger elliptical tube fin Sheet Metal Forming Technology, is characterized in that: it comprises the following steps,
(1) stretch, the band of coiling and molding is expected to punching stretch becomes groove shape successively;
(2) piercing and flanging, carries out piercing and flanging to the band material groove in step (1);
(3) rush bridge sheet, the band material of rear end, hole is rushed to bridge sheet;
(4) quadric flanging, carries out quadric flanging to the hole of piercing and flanging moulding in step (2);
(5) cut off, band material slit shearing;
(6) draw material, band material is drawn in to next work station;
(7) crosscut, the band material lateral dissection moulding elliptical aperture, realizes product blanking.
2. a heat exchanger elliptical tube fin punch process particular manufacturing craft, it comprises cope match-plate pattern and lower bolster, between described cope match-plate pattern and described lower bolster, by the guide pillar matched moulds that leads, it is characterized in that: on described cope match-plate pattern and lower bolster, correspondence is provided with stretching submodule, extruding tool, rushes bridge sheet submodule, quadric flanging, slit sub-die, draws material for making clothes mould and knife edge die.
3. a kind of heat exchanger elliptical tube fin punch process particular manufacturing craft according to claim 2, it is characterized in that: described stretching submodule comprises draw punch and patrix, described draw punch is flexibly connected described lower bolster by tapered wedges, described tapered wedges comprises upper tapered wedges and the lower tapered wedges cooperatively interacting, and described lower tapered wedges connects described lower bolster by adjusting bolt.
4. a kind of heat exchanger elliptical tube fin punch process particular manufacturing craft according to claim 3, is characterized in that: described patrix is fixed on upper mould fixed plate, and described upper mould fixed plate connects described cope match-plate pattern.
5. a kind of heat exchanger elliptical tube fin punch process particular manufacturing craft according to claim 2, it is characterized in that: described extruding tool comprises piercing and flanging drift, described piercing and flanging drift is fixed on described cope match-plate pattern, is provided with the material-dropping hole corresponding with described piercing and flanging drift on described lower bolster.
6. a kind of heat exchanger elliptical tube fin punch process particular manufacturing craft according to claim 2, is characterized in that: the described bridge sheet submodule of rushing comprises and rush bridge sheet drift, and the described bridge sheet drift that rushes is arranged on described cope match-plate pattern.
7. a kind of heat exchanger elliptical tube fin punch process particular manufacturing craft according to claim 2, it is characterized in that: described quadric flanging mould comprises flange drift, described flange drift connects described cope match-plate pattern, described flange drift connects described cope match-plate pattern by tapered wedges, described tapered wedges comprises upper tapered wedges and the lower tapered wedges cooperatively interacting, described upper tapered wedges connects cope match-plate pattern by adjusting bolt, and described flange drift connects described lower tapered wedges by spring.
8. a kind of heat exchanger elliptical tube fin punch process particular manufacturing craft according to claim 2, is characterized in that: described slit sub-die comprises cutting knife, and described cutting knife is arranged on described cope match-plate pattern.
9. a kind of heat exchanger elliptical tube fin punch process particular manufacturing craft according to claim 2, it is characterized in that: described in draw material for making clothes mould to comprise the wedge with inclined-plane, described wedge is arranged on described cope match-plate pattern, on described lower bolster, be provided with movable supporting plate, on described movable supporting plate, corresponding described wedge is provided with lever, on described lower bolster, corresponding described movable supporting plate is provided with flexible up and down flexible bumping post, and the relative plate direction of motion of described flexible bumping post is inclined plane
,described flexible bumping post connects described lower bolster by spring, and described movable supporting plate is connected described lower bolster with spring by guide rail.
10. a kind of heat exchanger elliptical tube fin punch process particular manufacturing craft according to claim 2, is characterized in that: described knife edge die comprises fracture cutting knife, and described fracture cutting knife is arranged on described cope match-plate pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310579953.3A CN103736837A (en) | 2013-11-19 | 2013-11-19 | Heat exchanger oval tube fin punching technology and die special for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310579953.3A CN103736837A (en) | 2013-11-19 | 2013-11-19 | Heat exchanger oval tube fin punching technology and die special for same |
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| CN103736837A true CN103736837A (en) | 2014-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310579953.3A Pending CN103736837A (en) | 2013-11-19 | 2013-11-19 | Heat exchanger oval tube fin punching technology and die special for same |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962446A (en) * | 2014-05-14 | 2014-08-06 | 无锡海特精密模具有限公司 | Production process of air-conditioner fin |
| CN106391911A (en) * | 2016-06-21 | 2017-02-15 | 四川长虹电器股份有限公司 | Method for manufacturing fin |
| CN107030194A (en) * | 2017-06-19 | 2017-08-11 | 合肥太通制冷科技有限公司 | A kind of high speed rushes fin die |
| CN107225184A (en) * | 2017-07-17 | 2017-10-03 | 无锡微研股份有限公司 | A kind of air-conditioner fin die flanging sub-die flange height adjusting screw rod mechanism |
| CN110479868A (en) * | 2019-09-24 | 2019-11-22 | 大冶威普换热器有限公司 | A kind of mold for Continuous maching spiral heat dissipation piece |
| 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 |
| CN111014370A (en) * | 2019-12-18 | 2020-04-17 | 湖南雅清环保科技有限公司 | Oval sleeve pipe apparatus for producing |
-
2013
- 2013-11-19 CN CN201310579953.3A patent/CN103736837A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962446A (en) * | 2014-05-14 | 2014-08-06 | 无锡海特精密模具有限公司 | Production process of air-conditioner fin |
| CN103962446B (en) * | 2014-05-14 | 2016-08-24 | 无锡海特精密模具有限公司 | A kind of production technology of air-conditioner fin |
| CN106391911A (en) * | 2016-06-21 | 2017-02-15 | 四川长虹电器股份有限公司 | Method for manufacturing fin |
| CN107030194A (en) * | 2017-06-19 | 2017-08-11 | 合肥太通制冷科技有限公司 | A kind of high speed rushes fin die |
| CN107225184A (en) * | 2017-07-17 | 2017-10-03 | 无锡微研股份有限公司 | A kind of air-conditioner fin die flanging sub-die flange height adjusting screw rod mechanism |
| CN110479868A (en) * | 2019-09-24 | 2019-11-22 | 大冶威普换热器有限公司 | A kind of mold for Continuous maching spiral heat dissipation piece |
| 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 |
| CN111014370A (en) * | 2019-12-18 | 2020-04-17 | 湖南雅清环保科技有限公司 | Oval sleeve pipe apparatus for producing |
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Application publication date: 20140423 |
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| WD01 | Invention patent application deemed withdrawn after publication |