CN102909232B - U-tube machine-shaping device long - Google Patents
U-tube machine-shaping device long Download PDFInfo
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- CN102909232B CN102909232B CN201210315607.XA CN201210315607A CN102909232B CN 102909232 B CN102909232 B CN 102909232B CN 201210315607 A CN201210315607 A CN 201210315607A CN 102909232 B CN102909232 B CN 102909232B
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- shaping
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- clamping device
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Abstract
The invention discloses a kind of U-tube machine-shaping device long, the machine-shaping device includes support and the material feed clamping device on support, pusher clamping device, shaping drawing-die, drawing material clamping device, splicing pallet and drive device.Using machine-shaping device of the invention, by the straight length of U-tube long by original circular processing ovalisation or approximate ellipsoidal, and can be smoothly transitted with elbow.And there is low heat exchange wind resistance, heat transfer effect using the heat exchanger that the U-tube long makes and heat exchange efficiency is good, small volume, cost are few, production efficiency is high.
Description
Technical field
The present invention relates to condenser pipe process equipment, more specifically to a kind of U-tube machine-shaping device long.
Background technology
It is current usually to use the heat-exchanger rigs such as condenser, evaporator in the equipment of mechanical compression refrigeration, by condensation
Device radiates to the refrigerant of HTHP, then enters back into interior and is absorbed heat by evaporator expansion, so as to reach the effect of refrigeration.
And the radiating effect of heat-exchanger rig will directly influence the refrigeration efficiency of whole refrigeration plant.
Traditional heat-exchanger rig is using disk pipe（Radial section is circle）With the radiating fin being sheathed on coil pipe（Wear
Hole is also circle）, the heat that will manage interior medium is exchanged with outside air, and to reach the purpose of radiating, it is mainly by wind scattered
What hot fin distributed heat when blowing over, but because the windage of disk pipe is larger, and there is whirlpool in lee side in disk pipe
Stream so that the back of disk pipe have wind less than dead angle, therefore the radiating effect of wind-force has been had a strong impact on, so as to influence refrigeration
Efficiency.Further, since medium circulates more smooth in disk pipe, flow velocity is very fast, equally also causes that radiating effect is not good.This
The heat-exchange capacity of the heat exchanger of sample is poor, in order to reduce temperature, it is sometimes desirable to manufacture large volume of heat exchanger（Two rows are even
Three row's disk pipes merge setting）, production cost and technology difficulty so are considerably increased again, therefore highly effective refrigeration cannot be met
It is required that.
The content of the invention
For disadvantages mentioned above present in prior art, filled it is an object of the invention to provide a kind of U-tube machine-shaping long
Put, be used to its circular straighttube section processing ovalisation or approximate ellipsoidal.
To achieve the above object, the present invention is adopted the following technical scheme that：
The U-tube machine-shaping device long includes support and the following device on support：
Material feed clamping device, is used to place the rounded U-tube long of the radial section of straight length and bend loss, makes straight tube
U-tube long is delivered to forming area by g. slice header towards shaping drawing-die；
Pusher clamping device, is used to receive and clamp U-tube long, and before pushing it to shaping drawing-die, by progressively will
Straight length push-in shaping drawing-die, to realize the shaping of straight tube g. slice header, makes its radial section be shaped to oval or sub-elliptical
Shape；
Shaping drawing-die, is inside provided with drawing pass, and the straight length for U-tube long passes through shaping；
Material clamping device is drawn, is used to clamp the part that passes of straight length, and level is dragged backward, by follow-up straight length from drawing
Shaping is pulled out in mould, until elbow section arrives at the stopping of drawing-die porch, and U-tube long drawing-die is pushed back into out, to material returned region；
Splicing pallet, located at material returned region, U-tube long is received by rising, and is inclined by declining, and U-tube long is slided
Conveyer belt is fallen, and delivers to product working area；
Drive device, is connected with material feed clamping device, pusher clamping device, drawing material clamping device respectively, is used to drive respectively
Clamping device is moved horizontally.
At least provided with a drawing pass in described shaping drawing-die, each drawing pass is divided into inlet transition and outlet is shaped
Section, inlet transition is the bellmouth of radial section ovalize or approximate ellipsoidal, and outlet sizing section is radial section in ellipse
The straight hole of circular or approximate ellipsoidal, and end and the outlet section of shaping of inlet transition smoothly transits.
The length range of described inlet transition is 16~24mm, and the length range of outlet sizing section is 3.6~6mm.
The head end of described inlet transition to the taper of end is tapered into, from 10.1 ° to 8.1 ° of transition.
Described shaping drawing-die is along the separate matched moulds of drawing-die centerline hole two.
Described drive device includes motor and the screw mandrel being connected with motor, and screw mandrel is connected with each clamping device respectively.
In the above-mentioned technical solutions, U-tube machine-shaping device long of the invention includes support and sending on support
Material clamping device, pusher clamping device, shaping drawing-die, drawing material clamping device, splicing pallet and drive device.Using of the invention
Machine-shaping device, can by the straight length of U-tube long by original circular processing ovalisation or approximate ellipsoidal, and with it is curved
Smoothly transitted at head.And using the heat exchanger that the U-tube long makes have low heat exchange wind resistance, heat transfer effect and heat exchange efficiency it is good,
The advantages of small volume, cost are few, production efficiency is high.
Brief description of the drawings
Fig. 1 is the schematic top plan view of shaped device of the invention；
Fig. 2 is the structural representation of shaping drawing-die of the invention
Fig. 3 is the structural representation of the U-tube long after shaping of the invention；
Fig. 4 is the FB(flow block) of molding control method of the invention；
Fig. 5, Fig. 6 are respectively the structure charts assembled using the coil pipe and fin of present invention shaping U-tube making long.
Specific embodiment
Technical scheme is further illustrated with reference to the accompanying drawings and examples.
Refer to shown in Fig. 1, U-tube machine-shaping device long of the invention include support 70 and on support 70 with
Lower device：
Material feed clamping device 10, is used to place the rounded U-tube long of the radial section of straight length and bend loss, makes straight
U-tube long is delivered to forming area by pipeline section head towards shaping drawing-die；
Pusher clamping device 30, is used to receive and clamp U-tube long, and before pushing it to shaping drawing-die 20, by by
Straight length push-in shaping drawing-die 20 to realize the shaping of straight tube g. slice header, is shaped to its radial section oval or near by step
Like oval；
Shaping drawing-die 20, is inside provided with drawing pass, and the straight length for U-tube long passes through shaping；
Draw material clamping device 40, be used to clamp the part that passes of straight length, and level is dragged backward, by follow-up straight length from
Shaping is pulled out in drawing-die, until elbow section arrives at the stopping of drawing-die porch, and U-tube long drawing-die is pushed back into out, to material returned region；
Splicing pallet 50, located at material returned region, U-tube long is received by rising, and is inclined by declining, by U-tube long
Conveyer belt is slipped to, and delivers to product working area；
Drive device, is connected with material feed clamping device 10, pusher clamping device 30, drawing material clamping device 40 respectively, is used to
Each clamping device is driven to be moved horizontally.Used as one embodiment, described drive device includes motor and is connected with motor
Screw mandrel 60, screw mandrel 60 is connected with each clamping device, is driven by motor drive screw 60 respectively, to realize each water for clamping dress
Translation is dynamic.It is of course also possible to use other driving kinds of drive, to realize moving purpose.And each clamping device can then be used
The mode of hydraulic pressure or air pressure is clamped the straight length for locking U-tube long.
Incorporated by reference to shown in Fig. 2, at least provided with a drawing pass 21 in described shaping drawing-die 20, according to Production requirement, can
Production shaping once is carried out to multiple U-tubes long.And 21 points of each drawing pass is inlet transition 211 and exports sizing section 212,
Inlet transition 211 is the bellmouth of radial section ovalize or approximate ellipsoidal, and outlet sizing section 212 is in for radial section
The straight hole of oval or approximate ellipsoidal, and end and the outlet section 212 of shaping of inlet transition 211 smoothly transits.It is described
Inlet transition 211 length range be 16~24mm, outlet sizing section 212 length range be 3.6~6mm.Described
The head end of inlet transition 211 to the taper of end is tapered into, from 10.1 ° to 8.1 ° of transition.In this way, after the completion of shaping,
It is capable of achieving to be smoothly transitted between the straight length end of oval or approximate ellipsoidal and circular winding pipe section, it is ensured that the pipe of transition portion
Wall is uniform, is conducive to managing the unimpeded of interior media flow.In addition, the shaping drawing-die 20 can be used being separated along the center line two of drawing pass 21
Matched moulds form, it is convenient to make and safeguard.
Incorporated by reference to shown in Fig. 4, the control method being molded using the present invention is as follows：Mainly include feeding, be molded and move back
Expect three big steps, wherein, the feeding step includes：By the rounded U-tube long of the radial section of straight length and bend loss
It is placed on material feed clamping device 10, and makes straight tube g. slice header towards shaping drawing-die 20；Then control it to clamp U-tube long, and push away
It is sent to forming area；
Described forming step includes：First control material feed clamping device 10 unclamps, and is sent because pusher clamping device 30 is clamped
The U-tube long that comes of material, and before being pushed to shaping drawing-die 20；Then straight length is progressively pushed into shaping drawing-die by drawing pass 21
20, extruded by drawing-die 2 so that straight tube g. slice header passes sizing from drawing-die 20, make its radial section by original circular extrusion
Ovalisation or approximate ellipsoidal；Control draws material clamping device 40 to clamp the sizing part that straight length is passed, and level is to rear dragging
It is dynamic, follow-up straight length is pulled out from drawing-die 20, until elbow section arrives at the stopping of the porch of drawing-die 20；
Described material returned step includes：Control draw material clamping device 40 back push, shaping after U-tube long be pushed out
Drawing-die 20, to material returned region；Control splicing pallet 50 rises, and controls to draw material clamping device 40 to unclamp so that U-tube long is fallen
On splicing pallet 50；Control splicing pallet 50 declines inclination, U-tube long is slipped on conveyer belt, and product is transported to by conveyer belt
Product working area.As shown in figure 3, in Fig. 34 is the straight length of oval or approximate ellipsoidal, 5 is circle for U-tube long 7 after shaping
The bend loss of shape.
Above-mentioned whole molding control method can be using control manually, it would however also be possible to employ automatically controls.
In addition, above-mentioned approximate ellipsoidal be by some sections of curves of different curvature, some sections of straight lines or some sections not
Join end to end the closed figure for connecing and being combined into the curve and straight line of curvature.
Elliptical tube or sub-elliptical pipe after being processed using shaped device of the invention, appearance and size precision is accurate, surface
Smooth, its wall thickness is without change, it is ensured that elliptical tube or sub-elliptical pipe subsequently wear elliptical aperture or sub-elliptical hole, the spy of fin
Be not wear slim fin hole accuracy guarantee gap it is consistent, dilate the conjunction of precision mould.
And coil pipe 1 is fabricated to by weld ell using the U-tube long that machine-shaping device of the invention is processed, it is used further to
It is engaged with the fin 3 with oval or approximate ellipsoidal hole 2, made heat exchanger（See Fig. 5, Fig. 6）, can subtract significantly
Small air side flow resistance power, side medium increases wetted perimeter and disturbance, enhances heat transfer, and heat transfer coefficient is greatly improved.When wind-force blows
Be not in vortex in the rear portion lee face of coil pipe 1 when dynamic, therefore windage when greatly reducing radiating, and it is oval and
The coil pipe 1 of approximate ellipsoidal substantially increases radiating effect in the absence of radiating dead angle, so as to improve heat exchange efficiency.And
And so shaped coil pipe 1, its surface is in nearly streamlined, and the wind-force flowing that can also make is more smooth, further reduces windage, improves
Heat exchange efficiency, COP values can run to more than 3.2.In addition, so shaped coil pipe 1, its interior media to flow through speed substantially low
In round coil 1, also cause that the heat transfer effect of medium is further improved.
Checked through mechanical industry heat-exchanger products quality surveillance inspection center of Hefei General Machinery ＆ Electrical Products Inspection Institute, using this
The heat-exchanger rig of invention, its Coefficient K >=86.99W/m2DEG C, far above the K in professional standard JB/T7695.5-1995
≥40W/m2DEG C regulation.
In addition, the different outdoor machine of air-conditioner heat exchangers of multiple famous brand names in the market are transformed using the present invention,
Experimental test result and performance comparison before and after transformation are shown in such as table 1 below~table 3：
Table 1
| Brand 1 | Before transformation | After transformation |
| Volume | The row of round coil 3 | The oval or row of approximate ellipsoidal coil pipe 1 |
| Refrigerating capacity（Performance） | 3936（W） | 3848（W） |
| Consumption power | 1083（W） | 1030（W） |
| Efficiency EER | 3.63W/W | 3.61W/W |
| National standard | 1 grade | 1 grade |
| Efficiency grade |
Table 2
Table 3
By above-mentioned experiment, heat-exchanger rig of the invention is equally also demonstrated with phase in the prior art using round coil
Than, have a significant effect, cold anharmonic ratio, volume ratio（Volume shared by specific refrigerating effect air-conditioning）, efficiency when manufacturing cost etc.
Existing heat-exchanger rig is superior in key technology economic indicator.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as being limitation of the invention, as long as in spirit of the invention, the change to embodiment described above
Change, modification will all fall in the range of claims of the present invention.
Claims (6)
1. a kind of U-tube machine-shaping device long, it is characterised in that the following device including support and on support：
Material feed clamping device, is used to place the rounded U-tube long of the radial section of straight length and bend loss, makes straight tube paragraph header
U-tube long is delivered into forming area towards shaping drawing-die in portion；
Pusher clamping device, is used to receive and clamp U-tube long, and before pushing it to shaping drawing-die, by progressively by straight tube
Section push-in shaping drawing-die, to realize the shaping of straight tube g. slice header, makes its radial section be shaped to oval or approximate ellipsoidal；
Shaping drawing-die, is inside provided with drawing pass, and the straight length for U-tube long passes through shaping；
Material clamping device is drawn, is used to clamp the part that passes of straight length, and level is dragged backward, by follow-up straight length from drawing-die
Shaping is pulled out, until elbow section arrives at the stopping of drawing-die porch, and U-tube long drawing-die is pushed back into out, to material returned region；
Splicing pallet, located at material returned region, U-tube long is received by rising, and is inclined by declining, and U-tube long is slipped to
Conveyer belt, and deliver to product working area；
Drive device, is connected with material feed clamping device, pusher clamping device, drawing material clamping device respectively, is used to drive each clamping
Device is moved horizontally.
2. U-tube machine-shaping device long as claimed in claim 1, it is characterised in that
At least provided with a drawing pass in described shaping drawing-die, each drawing pass is divided into inlet transition and outlet sizing section,
Inlet transition is the bellmouth of radial section ovalize or approximate ellipsoidal, and outlet sizing section is radial section ovalize
Or the straight hole of approximate ellipsoidal, and inlet transition end with outlet sizing section smoothly transit.
3. U-tube machine-shaping device long as claimed in claim 2, it is characterised in that：
The length range of described inlet transition is 16~24mm, and the length range of outlet sizing section is 3.6~6mm.
4. U-tube machine-shaping device long as claimed in claim 3, it is characterised in that：
The head end of described inlet transition to the taper of end is tapered into, from 10.1 ° to 8.1 ° of transition.
5. U-tube machine-shaping device long as claimed in claim 1, it is characterised in that：
Described shaping drawing-die is along the separate matched moulds of drawing-die centerline hole two.
6. U-tube machine-shaping device long as claimed in claim 1, it is characterised in that：
Described drive device includes motor and the screw mandrel being connected with motor, and screw mandrel is connected with each clamping device respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315607.XA CN102909232B (en) | 2012-08-30 | 2012-08-30 | U-tube machine-shaping device long |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210315607.XA CN102909232B (en) | 2012-08-30 | 2012-08-30 | U-tube machine-shaping device long |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102909232A CN102909232A (en) | 2013-02-06 |
| CN102909232B true CN102909232B (en) | 2017-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210315607.XA Expired - Fee Related CN102909232B (en) | 2012-08-30 | 2012-08-30 | U-tube machine-shaping device long |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102909232B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899363A (en) * | 2019-11-12 | 2020-03-24 | 江苏克诺斯精密材料有限公司 | Traction clamp |
Citations (7)
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|---|---|---|---|---|
| US4093761A (en) * | 1972-03-08 | 1978-06-06 | Taylor Industries, Inc. | Sheet with breakaway line |
| JP2004306124A (en) * | 2003-04-10 | 2004-11-04 | Yano Engineering:Kk | Extrusion die for metallic hollow material, and mandrel for extrusion die |
| CN1575962A (en) * | 2003-07-22 | 2005-02-09 | 马林远 | Producing teahnology for high-polymer composite pipe and its special die |
| CN201205599Y (en) * | 2008-05-09 | 2009-03-11 | 孙志杰 | Full-automatic numerically control lathe for metal tube material |
| CN201366446Y (en) * | 2009-03-30 | 2009-12-23 | 中钢集团郑州金属制品研究院有限公司 | Polygonal steel wire drawing die |
| CN102284526A (en) * | 2011-07-13 | 2011-12-21 | 中山市奥美森工业技术有限公司 | Processing method of oval pipe |
| CN202803796U (en) * | 2012-08-30 | 2013-03-20 | 上海大俊凯电器科技有限公司 | Long U-shaped pipe machining and molding device |
-
2012
- 2012-08-30 CN CN201210315607.XA patent/CN102909232B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4093761A (en) * | 1972-03-08 | 1978-06-06 | Taylor Industries, Inc. | Sheet with breakaway line |
| JP2004306124A (en) * | 2003-04-10 | 2004-11-04 | Yano Engineering:Kk | Extrusion die for metallic hollow material, and mandrel for extrusion die |
| CN1575962A (en) * | 2003-07-22 | 2005-02-09 | 马林远 | Producing teahnology for high-polymer composite pipe and its special die |
| CN201205599Y (en) * | 2008-05-09 | 2009-03-11 | 孙志杰 | Full-automatic numerically control lathe for metal tube material |
| CN201366446Y (en) * | 2009-03-30 | 2009-12-23 | 中钢集团郑州金属制品研究院有限公司 | Polygonal steel wire drawing die |
| CN102284526A (en) * | 2011-07-13 | 2011-12-21 | 中山市奥美森工业技术有限公司 | Processing method of oval pipe |
| CN202803796U (en) * | 2012-08-30 | 2013-03-20 | 上海大俊凯电器科技有限公司 | Long U-shaped pipe machining and molding device |
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| Publication number | Publication date |
|---|---|
| CN102909232A (en) | 2013-02-06 |
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| CB02 | Change of applicant information |
Address after: 201400, room 1, building 3369, Lane 128, Golden Road, South Bridge Town, Shanghai, Fengxian District -1 Applicant after: Shanghai Dajunkai Electrical Appliance Technology Co., Ltd. Address before: 201416 Shanghai city Fengxian District Zhelin new Shanghai Industrial Park CIGNA Road No. 11 Applicant before: Shanghai Dajunkai Electrical Appliance Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20190830 |
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