CN102825785A - Manufacturing method for capillary net grid - Google Patents
Manufacturing method for capillary net grid Download PDFInfo
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- CN102825785A CN102825785A CN2012102856008A CN201210285600A CN102825785A CN 102825785 A CN102825785 A CN 102825785A CN 2012102856008 A CN2012102856008 A CN 2012102856008A CN 201210285600 A CN201210285600 A CN 201210285600A CN 102825785 A CN102825785 A CN 102825785A
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Abstract
The invention discloses a manufacturing method for a capillary net grid. The method comprises a preparation step, a heating step and a bonding step. In the preparation step, the end of a capillary is fixedly arranged at a position which is in a preset distance away from a circular hole part of a main pipe; in the heating step, the end of the capillary and the circular hole part of the main pipe are heated simultaneously; and in the bonding step, heating is stopped, and the end of the capillary and the circular hole part of the main pipe are pressed together rapidly. According to the invention, a non-contact infrared ray heating welding technique is employed, a traditional contact heating-wire thermofusion welding process is improved, disasters of welding residues resulting from contact thermofusion is avoided, purity of a thermofusion material is ensured, uniform heating of each point during multi-operator welding is guaranteed, production efficiency is improved, and products in the industry are standardized.
Description
Technical field
The present invention relates to a kind of heat-exchange apparatus manufacturing approach, especially relate to a kind of capillary network grid manufacturing approach that is used for the heat exchange of air conditioning terminal systems radiate.
Background technology
Along with the progress of social technology, heat-exchange system obtains increasing application, and people propose increasingly high requirement to the capillary network grid.The capillary network grid are a kind of branch formula structures of catchmenting, and form the net grid of a sealing of formation with certain spacing parallel connection welding by supplying backwater to be responsible for some tubules.Medium evenly flows through capillary network from a person in charge, and then is pooled to another root and is responsible for, and this systemic-function comes from bionical to the blood of human body circulatory system.The capillary network grid are evenly distributed by the very little parallel PPR plastic capillary of spacing and form; And its two ends are welded on two persons in charge; Form closed circuit net grid, function is that the degree of depth is divided water, charge for remittance, lets aqueous medium be pooled to an other person in charge from a person in charge through capillary network.
The kind of existing capillary network grid is also few, and primary categories is in their material, structural form and manufacture craft; From the material branch PE-RT and two kinds of tubing of PP-R are arranged; PE-RT is the non-crosslinked line style medium density polyethylene tubing that ethene and octene copolymer modification form, and also is refractory polyethylene, is to use temperature can not surpass 80 ℃ thermoplastic pipe, and the tubing bearing capacity can be lower under the higher state of temperature; PE-RT extrudes control and is not easy, and the range of work is narrow, and quality control is difficult, can carry out hot melt and connect, but the PE-RT flange is irregular, easy blocking; Adopt the easy weldering excessively of PP-R special welding machine on the market to cause leaking; PP-R is the end of the eighties, adopts gas-phase copolymerization technology to make 5% left and right sides PE evenly polymerization (random copolymerization) and become pipeline material of new generation randomly in the strand of PP; Its intensity is high, has good shock resistance and long-term creep performance; Pipeline has excellent chemically-resistant article corrosive nature simultaneously, is insoluble to any known solvent under the normal temperature; Can carry out hot melt and connect, be proper capillary network grid material.
The moulding packaging technology of existing capillary network grid is pure manual operations; Particularly when the filler rod assembled formation of the afterbody of capillary network grid; Be to adopt cooling formation technic, such technology can cause capillary network grid afterbody ovalisation, thereby can in later process, produce the phenomenon that fractures; Make its yield rate low; Produce same phenomenon in transportation that also can be afterwards, the installation process, the circulating resistance that produces medium in equally also can the use after installation is big, the unmanageable phenomenon of circulation;
The effect of filler rod mainly is to be used for even fixed capillary net, makes the fixed connecting piece of its moulding capillary network grid.The packing of being convenient to, transportation, installation; Existing capillary network grid filler rod length be 260mm, its embedding mouth is 2.6mm, internal diameter is 4.3mm, the shortcoming of this filler rod is:
1: on the capillary network grid, need just must use 4 simultaneously with overlapping mode with the fixing same position of filler rod, this overlapping fixed form makes the globality of capillary network grid poor, and the waste raw material;
2: the embedding mouth 2.6mm of existing filler rod, because the material of filler rod also is plastics, the embedding mouth is easy to owing to the filler rod stress deformation opens; Make capillary in the embedding mouth, come off; It can directly influence the production process below the filler rod assembling procedure, suppresses test, transportation, installs, and especially influences the quality of installation and the progress of engineering; Strengthen the recruitment cost is installed, cause unnecessary waste.
Existing capillary network grid are to heat the welding that manual multiple spot is accomplished tubule and extra heavy pipe by contact.On the hot-melt technology of this equipment for the capillary network grid relative limitation is arranged; Especially manually controlling the heating link; It is the process that reaches heat welded through extra heavy pipe and tubule Direct Contact Heating piece, and such process can produce following problem very naturally: 1, owing to be the contact heating; When heat time heating time and temperature reach; The person in charge position and the tubule end face of required heating need break away from heater, when the person in charge position of required heating and tubule end face break away from, must have some hot melt material and can stick on the heater, will cause the welding amount disappearance of the required hot melt material of face of weld like this; And the hot melt material disappearance of being responsible for heating position and tubule end face is inhomogeneous, thereby causes the moulding of solder side to differ, problem such as eccentric, weldering neck inequality, outward appearance are coarse.2; Because the length of its heat time heating time causes the height of heating-up temperature; When heating-up temperature is high, be responsible for the heating position and can produce gross distortion, thereby can be when welding should clamp-on some in the inner chamber of being responsible for the tubule position at the welding material on welding surface, thereby the internal diameter of tubule and person in charge welding position is reduced with tubule heating end face; Serious also can result in blockage, and has influenced the normal flow flux of the medium of capillary network grid; When heating-up temperature is low, be responsible for the meeting of welding position and tubule welding end surface because do not produce rosin joint reaching heating-up temperature, rather than the combination of real molecule, thereby it is poor to produce resistance to pressure, and cooling back fragility is big, the quality problems that service life is short.3: after being responsible for heating position and tubule end face and heater separates; Need the constant time to carry out the welding of moment; And existing capillary welding procedure is manual, and length and the weak point of the time in the time of in the process of personnel operation is arranged, inevitably can instantaneous welding taking place have huge difference at the firm welding degree of these capillary network grid that also determined simultaneously to weld out; Thereby cause the inconsistent of welding quality, do not reach normal hot molten characteristic.
Those skilled in the art is devoted to develop new capillary network grid manufacturing approach to solve the problems of the technologies described above.
Summary of the invention
The technical problem that the present invention will solve is in order to overcome in the prior art, capillary network grid manufacturing approach inefficiency, and length consuming time, the deficiency that product percent of pass is low provides a kind of capillary network grid manufacturing approach.
The present invention solves above-mentioned technical problem through following technical proposals:
A kind of capillary network grid manufacturing approach, its characteristics are that said method comprises:
Preliminary step, the round hole part branch that an end capillaceous and is responsible for fixedly installs at a distance of a predeterminable range;
Heating steps heats the said end capillaceous and the person in charge's circular hole part simultaneously;
Bonding step stops heating, and the said end capillaceous and the said person in charge's circular hole is carried out quick pressing.
Preferably, in preliminary step, the said person in charge inserts a positioning strip, and the circular hole part that a location pin inserts the said person in charge is fixedly connected with said positioning strip.
Preferably, in heating steps, mode of heating is the heating of noncontact infrared mode.
Preferably, in heating steps, a heater is placed between capillary end and the person in charge's circular hole.
Among the present invention, but above-mentioned optimum condition combination in any on the basis that meets this area general knowledge promptly gets each preferred embodiment of the present invention.
Positive progressive effect of the present invention is: the present invention has quoted contactless infrared ray heat welded technology; Improved traditional contact heating wire sweat soldering mode; Avoided having guaranteed the pure degree of hot melt material because the contact thermal found becomes welding residue calamity, the even heating of each point when having guaranteed the bull welding; Improved production efficiency, standard industry product.
Description of drawings
Fig. 1 is the structural representation according to the capillary network grid under the specific embodiment of the present invention.
Fig. 2 is the shape sketch map according to the filler rod under the specific embodiment of the present invention.
Fig. 3 is the kink shape sketch map according to the single tubule under the specific embodiment of the present invention.
Fig. 4 is the assembling sketch map according to the capillary network grid under the specific embodiment of the present invention.
Fig. 5 makes sketch map and enlarged drawing thereof according to the capillary network grid under the specific embodiment of the present invention, and wherein firing equipment is arranged between the tubule and the person in charge.
Fig. 6 makes sketch map and enlarged drawing thereof according to the capillary network grid under the specific embodiment of the present invention, and wherein firing equipment begins heating.
Fig. 7 makes sketch map and enlarged drawing thereof according to the capillary network grid under the specific embodiment of the present invention, and wherein tubule bonds together with being responsible for.
The specific embodiment
Embodiments of the invention will describe with reference to accompanying drawing.In Figure of description, the element with similar structures or function will be used the components identical symbolic representation.Accompanying drawing is not to carry out the explanation of exhaustive to the present invention just for the ease of each embodiment of the present invention is described, neither limit scope of the present invention.
Fig. 1 shows the shape and structure of the capillary network grid under the specific embodiment.In this embodiment; The capillary network grid; Comprise that first is responsible for 110, second person in charge 130 and a plurality of tubules 120 that are connected first person in charge and second person in charge, the two ends of tubule 120 are welded on the person in charge with identical spacing respectively, form the confession circuit system of a sealing; It is 20mm that first person in charge and second is responsible for external diameter, and wall thickness is 2mm.Medium evenly flows through capillary from first person in charge 110, and then is pooled on second person in charge 130, thereby controls the homogeneous radiation heat exchange of air-conditioning system to indoor environment effectively, and whole indoor environment comfort level is reached the effect that weighing apparatus is warm, weigh and wet, weigh oxygen.In a preferred embodiment; Filler rod 140 comprises a plurality of holddown grooves 142 in order to the embedding tubule, and filler rod 140 is PP-R plastics, and effect is to make a plurality of 120 tubules; Be shaped so that certain spacing is fixing equably, thereby perfectly form a complete capillary network grid product.Those skilled in the art will appreciate that filler rod 140 also can be other suitable material, as long as it is all applicable to reach the technical scheme of secure thin tube.
Fig. 2 shows the shape and structure of a filler rod under the specific embodiment.In this embodiment, filler rod 140 length are 260mm, and the wide 2.5mm of embedding mouth, internal diameter are 4.3mm.In the prior art, capillary network grid normal width is 1000mm, needs to adopt 4 filler rods, and the wide 2.6mm of embedding mouth of filler rod in the prior art very easily comes off in the work progress simultaneously, has increased difficulty of construction.Filler rod length in the present embodiment is 960mm, has substituted the function of 4 long 260mm filler rods in the prior art, has saved 25% capillary network grid filler rod cost.Filler rod length changes 960mm into, and internal diameter is 4.3mm, has strengthened the steadiness of capillary network grid structures, and embedding mouth width changes 2.2mm into, is not increasing on the basis of manufacturing difficulty, and that has improved capillary network grid filler rods inlays the capillary fastness.
Fig. 3 illustrates the kink shape of a single tubule under the specific embodiment.In this embodiment, capillary network grid terminal 122 adopt the form of going for a stroll, and utilize Technology for Heating Processing, make capillary end 122 form circular configuration, strengthen fold resistance, have avoided the hidden danger of damage capillary network grid in the construction.And capillary end is the ellipsoidal structure that nature forms in the prior art, in work progress, causes capillary bending damage easily, influences the performance of capillary network grid.In a preferred embodiment, the tubule external diameter is 20mm, wall thickness 2mm.
Fig. 4 illustrates the assembling sketch map of the capillary network grid under the specific embodiment.In this embodiment; First is responsible for 110 and second person in charge 130 is fixed in noncontact infrared heating device (scheming not shown) respectively through grip device separately both sides; And when being inserted in the pilot pin be responsible on the positioning strip for welding tubule tube chamber location, avoid occurring welding stifled situation; The noncontact infrared heating device is to 3mm scope evenly heating targetedly on every side; After accurate regularly heating; Through the equipment automatic program control; The noncontact infrared heating device withdraws from heating location rapidly, and several capillary end faces that hot melt is good are gone up the good position quick pressing welding of hot melt with the person in charge, treats just to have formed finished product after the welding cooling.
Fig. 5 to Fig. 7 shows the capillary network grid manufacturing step under the specific embodiment of the present invention.In this embodiment, manufacturing step comprises:
Preliminary step fixedly installs the end of capillary 210 and the person in charge 230 round hole part branch at a distance of a predeterminable range, in one embodiment, capillary passes through clamps separately respectively with the person in charge.Infrared heating device 220 is fixedly installed between the capillary and the person in charge.Be responsible for 230 and insert positioning strip 232, each circular hole part that a plurality of pilot pins 234 are inserted the person in charge 230 is fixedly connected with positioning strip 232.
Heating steps, infrared heating device 220 begin to carry out heat release, and the end of capillary 210 is heated with the circular hole part of being responsible for 230 simultaneously.As shown in Figure 6, end capillaceous is heated and melts slightly, and the mouth of pipe begins to amplify, and the person in charge's circular hole peripheral part also is heated and melts slightly.Because the existence of positioning strip and pilot pin has avoided occurring stifled situation of welding.
Bonding step, stop heating this moment, removes heater 220 fast, and the circular hole that the end and 230 of capillary 210 is responsible for carries out quick pressing.Like this, capillary just successfully merges into one with the person in charge, inner simultaneously realization conducting.
Since this hot melting way make capillary be responsible for the material thermally equivalent, so that product is processed the back internal stress is less, inner surface is uniform and smooth, liquid resistance when internal circulation reduces greatly.
The capillary bore that the present invention processes is little, and pliability is good, can be installed in easily on smallpox, ground or the wall of air-conditioned room, uses as the end in the radiation heat transfer air-conditioning system, plays that cold and hot amount evenly is transported to indoor effect; The high temperature cold water (18 ~ 20 ℃) of air-conditioner host preparation or low-temperature water heating (33 ~ 35 ℃) low speed in capillary flows; Uniformly with cold and hot amount radiation indoor; Even, the calm sense of indoor temperature distribution, noiselessness, comfort level height have been created high-quality living environment; After the capillary network grid install, be operated in the low pressure operation state of 0.4Mpa, indoor movement-less part, non-maintaining, meet trend energy-conservation, comfort air conditioning development of new techniques more than 50 years service life.
Those skilled in the art is appreciated that equally the present technique scheme can not only be used on the capillary network grid, can be applied in the industrial occasions that other need carry out the conduction type fusion to tubule equally.
Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (4)
1. capillary network grid manufacturing approach is characterized in that said method comprises:
Preliminary step, the round hole part branch that an end capillaceous and is responsible for fixedly installs at a distance of a predeterminable range;
Heating steps heats the said end capillaceous and the person in charge's circular hole part simultaneously;
Bonding step stops heating, and the said end capillaceous and the said person in charge's circular hole is carried out quick pressing.
2. capillary network grid manufacturing approach as claimed in claim 1 is characterized in that in preliminary step, the said person in charge inserts a positioning strip, and the circular hole part that a location pin inserts the said person in charge is fixedly connected with said positioning strip.
3. capillary network grid manufacturing approach as claimed in claim 1 is characterized in that, in heating steps, mode of heating is the heating of noncontact infrared mode.
4. capillary network grid manufacturing approach as claimed in claim 3 is characterized in that, in heating steps, a heater is placed between capillary end and the person in charge's circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102856008A CN102825785A (en) | 2012-08-10 | 2012-08-10 | Manufacturing method for capillary net grid |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102856008A CN102825785A (en) | 2012-08-10 | 2012-08-10 | Manufacturing method for capillary net grid |
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| CN102825785A true CN102825785A (en) | 2012-12-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256663A (en) * | 2013-05-28 | 2013-08-21 | 林峰 | Automatic device with fresh air dehumidification function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947858A (en) * | 2010-09-27 | 2011-01-19 | 苏州凯尔博精密机械有限公司 | Air-conditioning capillary plastic welder |
| CN102320128A (en) * | 2011-04-08 | 2012-01-18 | 李世鹏 | Hot melting plastic capillary grid welding processing apparatus and method |
| US20120037309A1 (en) * | 2009-02-02 | 2012-02-16 | Donald Herbst | Method for connecting, as well as a connection, of a capillary tube to a main tube |
-
2012
- 2012-08-10 CN CN2012102856008A patent/CN102825785A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120037309A1 (en) * | 2009-02-02 | 2012-02-16 | Donald Herbst | Method for connecting, as well as a connection, of a capillary tube to a main tube |
| CN101947858A (en) * | 2010-09-27 | 2011-01-19 | 苏州凯尔博精密机械有限公司 | Air-conditioning capillary plastic welder |
| CN102320128A (en) * | 2011-04-08 | 2012-01-18 | 李世鹏 | Hot melting plastic capillary grid welding processing apparatus and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256663A (en) * | 2013-05-28 | 2013-08-21 | 林峰 | Automatic device with fresh air dehumidification function |
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Application publication date: 20121219 |