CN2090505U - High thermal efficiency finned radiator - Google Patents

Abstract

The utility model relates to a high thermal efficiency finned radiator made by cold press technique. The utility model provides technique for sealing tubes and fins to together and increasing heat dissipating capacity. Oblique flanging holes reserved interference material are preformed on fins, and then by retracting the fins the tubes and the fins are squeezed with the method of a profile peak and a profile valley. Gapless combination can be realized without the need of weld, sticking or other filler in the operating condition of normal temperature, which enables the utility model to be the high thermal efficiency finned radiator. The technique can be applied without tin and chemical bonding substance on the tube-fin points of radiators, heat exchangers, bath water heaters, etc. which need to be sealed.

Description

High thermal efficiency finned radiator

The utility model relates to the high heat of producing with cold punching technology and imitates the serial finned type radiator.It comprises working medium tube (being called for short pipe down), string sheet, turbulent sheet, backplate, header, dust excluding plate, securing member.Particularly its pipe is the surperficial welded tube of not processing, and the string sheet is a thin plate, and both reach the combination of no gap under the operating mode of add filler in normal temperature, nothing, not gluing, not welding.

The serial finned type radiator is the nation-building ministerial standard, and intends dedicating one's life to the cause of the country tame standard, carries out the product of production licence system.It is solid that its technical conditions require the combination of string sheet and pipe, distributes by the string sheet in order to the heat of pipe.Happy this key technology does not have fine solution, and heat dissipation capacity is not high.Trace it to its cause is that the string chip architecture is unreasonable.Standard laid down by the ministries or commissions of the Central Government string sheet is thick to be 0.6-0.8mm, and attenuate boss hole flanging is made in the hole usually, is that circular arc links to each other with string sheet body, the only thick 0.3-0.6mm of hole wall, and break.The carrying position is to be the boss hole flanging that breaks of cantilever simple support outside string sheet board plane, and its structure is rational inadequately.Moreover pipe is for the GB-309-82 welded tube, and diameter deviation be ± 0.50mm, and the deviation of the straight degree and the depth of parallelism is just bigger, must damage strength in the assembling the very low and boss hole flanging that broken.Originally mean the boss hole flanging of the bonded area that enlarges string sheet and pipe, become on the contrary and reduce the air heat conduction ring that heat is imitated.It is solid with the axial jam-packed of string between sheet by the string sheet to refer in particular to the technology of appearance, so between pipe, the sheet inevitable radially loose from.

In order to eliminate the air conductive heat loss of string sheet and pipe, existing this technology is effectively with the space between tin, bonding agent filling pipe, the sheet, but it must be through heat tracing, many consuming electric powers, man-hour, thing etc., and vibration or distortion also can reduce function; Other is feasible as the expand tube method to flexible pipe, but rigid steel conduit is difficult for working with combining of soft string sheet.And the standard laid down by the ministries or commissions of the Central Government is the combination of steel pipe and thin slice, even this method boss hole flanging realizes that with pipe secure fit also is that both peak of profile contact with peak of profile, does not accomplish not have the gap combination, has air heat conduction phenomenon equally.

The utility model purpose is to avoid the weak point of above-mentioned technology, and a kind of heat dissipation capacity that provides exceeds the high heat effect serial finned type radiator of the standard laid down by the ministries or commissions of the Central Government and reasonable, appropriate, simple, effective special-purpose manufacturing technology and equipment.

The utility model is achieved in that the cancellation boss hole flanging of string sheet usually, eliminate the air heat conduction ring from structure, from combined hole being given in conjunction with last to make bias lateral opening, it is special for deposit interference material, squeezing when the string sheet under the effect of shrinkage cavity device, hole deviation flanging retraction, the interference material of its deposit surpasses pipe, the sheet actual gap is many, be subjected to squeeze to contract Hough and lean Hough and retrain, the multidirectional crowded fast profile paddy that contracts and be embedded into pipe, pipe and string sheet form profile paddy and the staggered crowded embedding of peak of profile becomes one, and special beveling in the Hough aperture of crowded compression apparatus and curved surface, make the interference material be expanded into three square ring muscle shape stay pipes, so both eliminated the air heat conduction ring, strengthen string sheet material again.The heat of pipe is directly distributed from the string sheet, prevent heat waste effectively, improve heat and imitate.

The utility model is just cancelled the boss hole flanging that causes heat waste in the existing technology string sheet, the cantilever simple support of cracking is changed into the flat board and the supporting of three square ring muscle solid polymer composites of sealing, the center of three square ring muscle and string sheet thickness of slab central lines, form the favourable operating mode of supporting, increase contact area and bond strength; The starting point be not difficult to the pipe of deformation simultaneously, be not conceived to go here and there sheet and manage the raising of the accuracy of form and position, material separately yet, just in the principal element of both effective combinations--the carrying position of string sheet, direction, shape and structure and with the method for pipe jointing on take rationally, appropriate, effectively, simple technical scheme.Reduced requirement on the contrary, and reduced frock two covers, operation three roads, weight saving 5% pipe, the sheet accuracy of form and position, material.Its flanging hole angle is significantly smaller than the hole flanging right angle, overcome " necking down " phenomenon, on the string sheet, be aided with simultaneously dash laterally, longitudinal ripple convex-concave muscle groove and cut tongue, the lateral opening hole of bias biased center vertical line and cross arrangement, the hole is schemes such as the horizontal short nose circle of lengthwise, overcomes that existing technology forms that dull eddy current between pipe, temperature gradient are little, heat waste, defective that thermal resistance is big.Strengthen area of dissipation, accelerated radiating rate; Also be aided with on pipe at inwall system ripple or spiral concave bar groove simultaneously, and adorn turbulent sheet in pipe, make working medium produce turbulent flow, the hot effect of, pipe more straight than existing technology improves 10%; Being aided with dust excluding plate can the folding group, has overcome existing technology inconvenience again and has removed the dust between the outstanding tube and tube and the deficiency of booty therebetween, and reduced heat waste.Its crowded shrinkage cavity device is shorter than existing technology loader reciprocal distance, can be evenly, combination apace.

Concrete structure of the present utility model is provided by following examples and accompanying drawing.

Fig. 1 is the high hot view of imitating the serial finned type radiator that the utility model proposes.

Fig. 2 is its string sheet figure.

Fig. 3 is its pipe figure.

Fig. 4 is its turbulent sheet figure.

Fig. 5 .1 is exclusively used in the no waste material progressive die die figure that makes the string sheet.

Fig. 5 .2 is exclusively used in the no waste material progressive die curved surface punch figure that makes the string sheet.

Fig. 6 is exclusively used in the template of making the tube wall concave bar, rolls wheel figure for it.

Fig. 7 is its crowded shrinkage cavity device and working condition figure.

Imitate the details and the working condition of the concrete structure of serial finned type radiator and equipment special according to the high heat that the utility model proposes below in conjunction with description of drawings.

Fig. 1 is the view that high heat is imitated the serial finned type radiator.

It comprises that pipe (1.4), pipe end have connecting thread (1.1) to be used for being connected, going here and there sheet (1.3) with the transferring working medium pipe and have with pipe and squeeze triangular ring muscle (1.2), backplate (1.5), header (1.6) that embedding becomes, place vertically or the turbulent sheet (1.7) and (1.8) of traverse, connector (10), dust excluding plate (9).

Fig. 2 is string sheet view.

It is whole of a porous rectangle, also can be made up of the single hole multi-disc, and is effectively same.It is shaped on bias lateral opening (2.11), bias limit (2.13) is 10 °-80 ° with the angle α on plane, garden shape convex-concave platform and cut tongue (2.14), longitudinal ripple convex-concave muscle groove (2.17), transverse wave convex-concave muscle groove (2.12), cut tongue (2.15), bias is lateral opening to be horizontal narrow perpendicular long shape, lateral dimension is less than the size of vertical two nose circles (2.18), its ratio is 1:1.2-1:5, the lateral opening both sides that are positioned at string sheet center vertical existing (2.19) of bias, become cross arrangement (2.11), (2.16), its partial center vertical line is apart from X 0.2 times-2.5 times for string sheet bias lateral opening lateral dimension Y.

Fig. 3 is the view of pipe.

Its sectional area shape (3.20) is lateral opening with string sheet bias, and its inwall has been made ripple convex-concave muscle groove (3.21) or spiral prominence concave bar groove (3.22).

Fig. 4 is turbulent sheet figure

It is ripple sheet (4.24), or spiral sheet (4.23)

Fig. 5 .1,5.2 is die and the curved surface punch that is exclusively used in the punch die of string sheet.Its no spacing side edge does not produce process residue, presses shape, punching to remake spacing earlier and cuts off, so claim no waste material progressive die, it adopts cold-punching mould GB2872.1-81 structure not state self-evident the omission substantially.Its die Fig. 5 .1, the lateral opening cutting edge of punching out bias is inclined-plane (5.1.25), with the angle α on plane be that 10 °-80 °, two sides connecting place are garden arc (5.1.26), its limit (5.1.28) vertical with arrow (5.1.27) is for cutting off hole punch, pressing the cutting edge of the string sheet of shape; Curved surface punch Fig. 5 .2 of its punching out ripple convex-concave muscle groove has vertical curved surface (5.2.29), horizontal curved surface (5.2.30).

Fig. 6 is exclusively used in the template of making tube wall concave bar groove, rolls wheel figure.

The inwall concave bar groove of pipe is by rolling or punching out and get.Milling train and press are general equipment, do not state self-evidently to economize it.Rolling one in the wheel at milling train a pair of rolls wheel and is shaped on straight projection (6.31), oblique projection (6.32).Or a template in a pair of template of punch die is shaped on straight projection (6.33), oblique projection (6.34), is the inwall rolling with the face that the concave bar groove is arranged then or rolls the butt welding moulding.

Fig. 7 is for squeezing shrinkage cavity device and working condition figure.

It adopts press to be used as power.It is formed and leans mechanism by leaning Hough (7.58) and (7.47), backer (7.56), (7.54); Form crowded shrinking structure by squeezing contract Hough (7.37) and (7.45), wedge (7.38) and (7.41); Form buffer gear by supporting plate (7.44) and base plate (7.43) and top Xiao (7.48), pull bar (7.50), nut (7.51), rubber or spring (7.53), clamping plate (7.52).The feed mechanism that goes forward one by one provides (not drawing among the figure) by press.It but is respectively by leaning Hough (7.58), go up wedge (7.41), going up and squeeze the Hough (7.37) that contracts and form top that its installation is formed; The aforementioned bottom of except that top, forming.

Its a pair of Hough (7.58) that leans is fixedlyed connected with upper plate (7.57), supporting plate (7.44), base plate (7.43) respectively with (7.56) with (7.47), wedge (7.38) and (7.41), backer (7.54).It a pair of squeeze contract Hough (7.37) and (7.45) respectively (7.59) and the center shown in (7.42) with lean Hough (7.58) and become rigidity to be slidingly connected with (7.47), and resetting-mechanism (not drawing among the figure) is arranged.It has the gap shown in (7.49) with upper plate (7.57), supporting plate (7.44) respectively, and this is to gapped between the Hough, and the gap is 0.10-0.20.The shallow inclined-plane or the curved surface of (7.36) shape located to be shaped in its aperture (7.40).This device function of tonic chord is to squeeze the Hough that contracts to squeeze along the direction shown in the arrow that to grind string sheet bias lateral opening, and press act as the folding of device, and buffer unit is to prevent that rigidity from answering back to and compensating folding, squeezing contract asynchronous poor.Lean device because being supported on of backer squeezed when contracting impact, leaning Hough can displacement.

After string sheet (7.35), pipe (7.39) push this device and put in place, press promotes top and moves down, the a pair of Hough (7.58) that leans contacts with (7.37) and holds out against and promote the bottom and move down, and meanwhile wedge (7.38) and (7.41) promote inclined-plane shown in a pair of (7.60) of squeezing contract Hough (7.37) and (7.35) and make axial rapid movement shown in the arrow.String sheet (7.35) bias limit is promptly squeezed to be embedded to squeezes contract Hough (7.36) inclined-plane or curved surface place, makes the string sheet become three square ring muscle as (7.36) shape with the pipe jointing place, reaches the purpose of the crowded embedding in no gap that both become one.It is effective equally that manage in the garden, hole, garden string sheet squeezes embedding.

When using porous integral string sheet, in one group, want the thick string sheet of uniform 1-3 sheet, with the string sheet deformation not parallel, that directly do not produce of opposing pipe, protection string sheet is avoided damage.

After the string sheet was squeezed shrinkage cavity, this installed each mechanism and resets, and the string sheet (7.55) that squeezes the embedding jail is made direction of arrow spacing with pipe (7.39) and moved under press goes forward one by one the effect of feed mechanism, and other end string sheet is then squeezed shrinkage cavity, and reaches the group specified number.Squeeze the come to this work that goes round and begins again of shrinkage cavity device.

Turbulent sheet is welded in pipe, and the pipe that will combine, sheet are sealedly connected and fixed with header and watch box again.After remaking anticorrosive coating, with connector with on the fastening watch box of dust excluding plate.High heat is imitated the serial finned type radiator and is come to this and make.

Claims (3)

1, the high heat that a kind of usefulness technology of colding pressing is produced is imitated the serial finned type radiator, it comprises working medium tube (hereinafter to be referred as pipe), the string sheet, the turbulent flow sheet, header, backplate, dust excluding plate, securing member, particularly its pipe is the welded tube of surperficial non-processing, the string sheet is a thin plate, at normal temperature, there is not additional filler, not sticking, the two reaches the combination of no gap under the operating mode of not welding, it is characterized in that the hole with the string sheet of pipe jointing is that bias is lateral opening, vertical line both sides, center, the lateral opening position of bias, and cross arrangement, the partial center vertical line is apart from 0.2 times-2.5 times for the lateral opening lateral dimension of string sheet bias, the hole is horizontal narrow perpendicular long shape, lateral dimension is less than the size between vertical two nose circles, its ratio is 1: 1.2-1: 5, and be shaped on vertically, transverse wave convex-concave muscle groove, circular convex-concave platform and cut tongue; The cross sectional shape of pipe is lateral opening identical with string sheet bias, and its inwall has spiral or ripple concave bar groove; The slippage on pipe under crowded shrinkage cavity device effect of string sheet, in case put in place, squeezing the Hough and leaning under the Hough effect of contracting, for squeezing the profile paddy that contracts and be embedded into pipe fast in the bias limit in the hole of deposit interference material, the surface of string film perforation and pipe becomes profile paddy, the staggered zero-clearance of peak of profile to squeeze the embedding driving fit, its joint portion is three square ring muscle shapes, but the dust excluding plate demolition is fastening; The turbulent flow sheet is ripple sheet or screw thread sheet.

2, high heat effect serial finned type radiator according to claim 1 is characterized in that it is the inclined-plane that punching out string sheet is tiltedly torn lateral opening cutting edge of die open, it is 10 °-80 ° with the angle α on surface, the limit vertical with feedstock direction is the punch die cutting edge, and the punch of convex-concave muscle groove has the vertical and horizontal curved surface; A pair of of rolling wheel rolls wheel in the milling train of manufacturing pipe, and a template of a pair of template of punch die is shaped on straight burr or twill projection.

3, it is characterized in that according to the described efficient hot serial finned type radiator of claim 1 its crowded Hough that contracts has the inclined-plane, accept press and wedge axially, the compound action of aspect radially; There are shallow inclined-plane or curved surface in the aperture of two Houghs that contact with the string sheet.

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