CN109798803A - A kind of precoated metal tubing and preparation facilities, preparation method and its manufactured evaporator - Google Patents
A kind of precoated metal tubing and preparation facilities, preparation method and its manufactured evaporator Download PDFInfo
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- CN109798803A CN109798803A CN201811545585.XA CN201811545585A CN109798803A CN 109798803 A CN109798803 A CN 109798803A CN 201811545585 A CN201811545585 A CN 201811545585A CN 109798803 A CN109798803 A CN 109798803A
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Abstract
The invention discloses a kind of precoated metal tubing and preparation facilities, preparation method and its manufactured evaporator, metal pipe material outer surface is coated with hot melt conductive adhesive film.The metal tube material includes aluminum pipe, iron pipe and copper pipe, and metal pipe material surface is being formed by curing one layer of corrosion protective covering after coating.The metal pipe material surface coating is by spraying, dip-coating, Extrusion Coating, the one of which for squeezing out cladding, longitudinal cladding, winding cladding.The preparation method and equipment of evaporator metal pipe appearance coating provided by the present invention; it does not need to carry out preservative treatment again for solving tubing; a complete protective case is formed after heating by a kind of hot melt glue film; globality firmly coats tubing, not only plays the role of corrosion protective covering and is not readily separated, and the glue film on tubing and sheet metal pass through hot melting cohesion; junction is without small gaps; it is not likely to produce crevice corrosion, has bonding firm, and anti-corrosion can also be reached.
Description
Technical field
The present invention relates to the coatings of metal tube surface, and the metal tube surface after coating is applied to both metal plates and passes through hot melt
Bonding constitutes plate pipe evaporator.
Background technique
Currently, plate pipe evaporator is widely used in refrigeration industry, especially household electrical appliances refrigeration industry, plate pipe evaporator is mostly used
Metal tube and bonded by the complete rotten plate of preservative treatment, and metal pipe material will also carry out preservative treatment first, such as steel pipe copper facing or
Zinc-plated, aluminum pipe need to carry out anodized or spraying dress corrosion ring resin, tubing ability and metal after preservative treatment
Plate bonding；Another kind is to carry out preservative treatment again with after sheet metal bonding.
Above-mentioned problem is that the tubing after preservative treatment protective layer removing easily occurs, so that tubing protective layer
It is insecure with plate bonding, cause tubing and plate to disengage；Another way is easily gone out between gap between plate and tubing
, there is poroid leak point, etc. so as to cause the two contact position, the above problem eventually leads to production cost in existing chemistry crevice corrosion
Especially cost of labor dramatically increases.
Summary of the invention
The task of the present invention is the heat exchange tubing appearances for proposing a kind of metal to coat one layer of hot melt conductive adhesive film, can be whole
Property metal pipe material is firmly coated, the metal pipe material after cladding and sheet metal are firmly bonded by hot melting cohesion, the two,
Increase the reliability and stability of tubing use process.
The task of the present invention is what is completed in this way, metal pipe material outer surface is coated with hot melt conductive adhesive film.The metal tube
Material includes aluminum pipe, iron pipe and copper pipe, and metal pipe material surface is being formed by curing one layer of corrosion protective covering after coating.It is described
The coating of metal pipe material surface be by spraying, dip-coating, Extrusion Coating, squeeze out cladding, longitudinal cladding, winding cladding wherein one
Kind.Using the metal pipe material of above method acquisition and pass through hot melt conductive adhesive film bonding with evaporation plate.The device includes that material extrusion applies
Coating device, coating unit, winding coating unit and immersion coating.The Extrusion Coating device includes that feed inlet, screw rod, fluid layer are logical
Road, metal pipe material, internal model, external mold, cavity, the top on the feeding coating device are provided with feed inlet and internally positioned spiral shell
Bar, the inside screw are provided with heater strip, and extrusion die is arranged, the extrusion die includes internal model far from feed inlet in the other side
And external mold, and sizing material flow pass is constituted between internal model and external mold, and flow pass end constitutes the sky that can accommodate glue
Chamber.The longitudinal direction coating unit includes preheating device, coating unit, solidification equipment, metal pipe material, traction device, coiled strip wheel, leads
To positioning to wheel, cladding sheave, conductive adhesive film, it is equipped with heating element in the preheating device and solidification equipment, in coating unit
Coiled strip wheel, guide-localization are provided with to wheel and along the cladding sheave that coating unit horizontal direction is set gradually, the cladding sheave
At least three pairs, and the radius of each pair of cladding sheave is gradually reduced, and hot melt conductive adhesive film, pairs of packet are wound on the coiled strip wheel
It covers the groove on sheave and constitutes the outer diameter that can accommodate metal pipe material.The winding coating unit includes preheating device, winding
Device, solidification equipment, metal pipe material, traction device, coiled strip wheel, motor, rotating frame, conductive adhesive film, the winding device packet
The rotating frame that can be rotated around metal pipe material axis is included, driving rotating frame rotation is motor, and is installed on rotating frame
There is rotary coiled strip roller, conductive adhesive film is wrapped on coiled strip roller, and the preheating device is mounted on winding device and traction dress
The middle set.The immersion coating be by metal pipe material immerse hot melt import glue coated when can by a rotary shaft from
It is passed through among metal pipe, rotating shaft terminal is supported by bearing bracket stand and fixed on the support, wherein rotary shaft one end and motor
Axis connection, motor drive rotary shaft rotation, and metal pipe material outer surface can uniformly immerse one layer of hot melt heat conducting film.
The present invention has the following effects that, the preparation method of evaporator metal pipe appearance coating provided by the present invention and sets
It is standby, it does not need to carry out preservative treatment again for solving tubing, forms one after heating completely by a kind of hot melt glue film
Protective case, globality firmly coat tubing, not only play the role of corrosion protective covering and are not readily separated, and on tubing
Glue film and sheet metal are by hot melting cohesion, first is that can have the function that bonding, second is that melted in the two junction, junction without
Small gaps are not likely to produce crevice corrosion, have bonding firm, and can also reach anti-corrosion.
Detailed description of the invention
Fig. 1 is the horizontal cross-section structure diagram of precoated metal tubing；Fig. 2 is the longitudinal profile structural representation of metal pipe material
Figure；Fig. 3 is that the first equipment is implemented to squeeze the structural schematic diagram of mould；Fig. 4 is the main view of Fig. 3；Fig. 5 is second of equipment film
Structural schematic diagram；Fig. 6 is positive structure schematic of the guide-localization wheel with cladding slot to wheel in Fig. 5；Fig. 7 is overlay film of the invention
Tube-in-sheet evaporator schematic diagram obtained by metal pipe material.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Preparation method of the invention: metal pipe material outer surface is coated with hot melt conductive adhesive film；
The metal tube material includes aluminium, iron, copper；
The hot melt conductive adhesive film of the pipe outer surface is coated using equipment；
The metal pipe material surface is formed by curing one layer of corrosion protective covering after coating；
The coating is by spraying, dip-coating, Extrusion Coating, the one of which for squeezing out cladding, longitudinal cladding, winding cladding, institute
Heat-conducting glue, hot melt adhesive can be selected in the hot melt conductive adhesive film for stating the coating of metal pipe material surface.
Using the metal pipe material of above method acquisition and pass through hot melt conductive adhesive film bonding with evaporation plate.
The coating equipment of designed, designed used in the present invention is shown in attached drawing 3-7；Fig. 1 and Fig. 2 coats the metal tube after solidifying
Son, 4 be pipe, and 4-1 is coating, and the coating is to coat heat one layer of hot melt hot glue of cladding by equipment in pipe outer surface
Film.
Embodiment one
The coating of metal pipe outer surface is by Extrusion Coating, and then solidification obtains, and material extrusion coating unit include feed inlet 1,
Screw rod 2, fluid layer channel 3, metal pipe material 4, internal model 5, external mold 6, cavity 7, as shown in Figure 3, Figure 4, on the feeding coating device
Top be provided with feed inlet 1 and internally positioned screw rod 2, the inside screw is provided with heater strip, and extrusion die is far from charging
Mouthful, it is arranged in the other side, the extrusion die includes internal model 5 and external mold 6, and sizing material flow pass 3 is constituted between internal model and external mold,
And flow pass end constitutes the cavity 7 that can accommodate glue.
When work, hot melt heat-conducting glue enters in material extrusion coating unit from feed inlet 1, the glue under heater strip effect in screw rod
Material dissolves, and sizing material is sent into the channel of extrusion die by sizing material under the rotation of screw rod, the glue accommodating cavity 7 of flow channel end
Middle formation glue area, the metal pipe material 4 across above-mentioned glue area is advanced under external force, and is uniformly coated with glue, through subsequent
Solidification, that is, make is coated with hot melt conductive adhesive film tubing.
Embodiment two
The coating of metal pipe outer surface is coated by longitudinal coating unit, and then solidification obtains, and longitudinal coating unit includes
Preheating device 2-1, coating unit 2-2, solidification equipment 2-3, metal pipe material 2-4, traction device 2-5, coiled strip wheel 2-6, guiding are fixed
Position is to wheel 2-7, cladding sheave 2-8, conductive adhesive film 2-9, as shown in Figure 5 and Figure 6, the preheating device 2-1 and solidification equipment 2-3
In be equipped with heating element, coiled strip wheel 2-6, guide-localization are provided in coating unit 2-2 to wheel 2-7 and along coating unit level side
To the cladding sheave 2-8 set gradually, at least three pairs of the cladding sheave, and the radius of each pair of cladding sheave 2-8-1 gradually contracts
It is small, hot melt conductive adhesive film 2-9 is wound on the coiled strip wheel, the groove on pairs of cladding sheave 8-1, which constitutes one, to accommodate
The outer diameter of metal pipe material 4.
When carrying out longitudinal cladding, metal pipe material is under the traction of traction device 5 from pairs of guide-localization wheel 7 and cladding slot
Wheel 8 is passed through between wheel, is heated the hot melt conductive adhesive film wound on coiled strip wheel and is delivered to cladding sheave through guide-localization guiding,
Metal pipe material is advanced, (direction from left to right shown in Fig. 4), hot melt is led after preheating device heating under the traction of traction device
Hot melt adhesive film overlays on the outer surface of metal pipe material in contact processing thermometal tubing after-tack and being close to, and with metal pipe material to Fig. 4
Shown direction is advanced to the right, is gradually reduced by the race on pairs of cladding sheave, so that being coated on metal pipe material outer surface
Hot melt conductive adhesive film further solidify, obtain be coated with hot melt conductive adhesive film metal pipe material.
Embodiment three
The coating of metal pipe outer surface is coated by winding coating unit, and then solidification obtains, and is wound coating unit and included
Preheating device 2-1, winding device 3-2, solidification equipment 3-3, metal pipe material 4, traction device 2-5, coiled strip wheel 2-6, motor 3-7,
Rotating frame 3-8, conductive adhesive film 2-9, as shown in fig. 7, the winding device 3-2 includes that can rotate around 4 axis of metal pipe material
Rotating frame 8, driving rotating frame rotation is motor 3-7, and rotary coiled strip roller 2- is equipped on rotating frame
6, conductive adhesive film 2-9 is wrapped on coiled strip roller, and the preheating device 2-1 is mounted in winding device 3-2 and traction device 2-5
Between, metal pipe material under the action of traction device 2-5, advance by right direction as shown in the figure, the rotation installed in winding device 3-2
Turn to rotate under the drive of frame motor 3-7 around metal pipe material, the conductive adhesive film rotation layer wound on coiled strip wheel 2-6 is wound on by pre-
The metal pipe material surface advanced to the right after thermal preheating, then enters back into solidification equipment 3-3, the metal after solidifying
Pipe outer surface winds one layer of hot melt conductive adhesive film.
Example IV
The metal pipe material can also complete coating by immersion method, and metal pipe material is immersed can when hot melt importing glue is coated
To pass through a rotary shaft among metal pipe, rotating shaft terminal is supported by bearing bracket stand and is fixed on the support, wherein
Rotary shaft one end and motor axis connection, motor drive rotary shaft rotation, and metal pipe material outer surface can uniformly immerse one layer of hot melt
Heat conducting film.
The Tube for Evaporator 4 of hot melt conductive adhesive film is coated with using this metal tube appearance and metal plate 10 passes through the heat
The hot melt conductive adhesive film of molten conductive adhesive film tube surfaces is bonded in heating condition, is simultaneously being pressed with sheet metal in glue film by thermal softening
Both when bonding under power, the gap position that the two is in contact forms hot melt micelle colloid and is filled at the gap of the two, reduce
Micro gap also just reduces the chloride ion crevice corrosion easily occurred between gap in this way.Therefore, this thermally conductive coated with heating
The Tube for Evaporator and plate of glue film tubing are firmly bonded, and not easy to crack, thermal resistance is small；And corrosion resistance is strong.
Claims (9)
1. a kind of precoated metal tubing and preparation facilities, preparation method and its manufactured evaporator, including metal pipe material, feature
Be: metal pipe material outer surface is coated with hot melt conductive adhesive film.
2. a kind of precoated metal tubing according to claim 1 and preparation facilities, preparation method and its manufactured evaporator,
It is characterized by: the metal tube material includes aluminum pipe, iron pipe and copper pipe, and metal pipe material surface is solidifying shape after coating
At one layer of corrosion protective covering.
3. a kind of precoated metal tubing according to claim 1 and preparation facilities, preparation method and its manufactured evaporator,
It is characterized by: the metal pipe material surface coating is by spraying, dip-coating, Extrusion Coating, squeezes out cladding, longitudinal cladding, volume
Around the one of which of cladding.
4. a kind of precoated metal tubing according to claim 1 or 4 and preparation facilities, preparation method and its manufactured evaporation
Device, it is characterised in that: using the metal pipe material of above method acquisition and pass through hot melt conductive adhesive film bonding with evaporation plate.
5. preparation facilities employed in the preparation of evaporator metal tube outer surface overlay film, it is characterised in that: the device includes material extrusion
Coating unit, coating unit, winding coating unit and immersion coating.
6. preparation facilities employed in evaporator metal tube outer surface overlay film preparation according to claim 5, feature
Be: the Extrusion Coating device includes feed inlet, screw rod, fluid layer channel, metal pipe material, internal model, external mold, cavity, it is described into
Top on material coating unit is provided with feed inlet and internally positioned screw rod, and the inside screw is provided with heater strip, squeezes out
Mould is arranged far from feed inlet in the other side, and the extrusion die includes internal model and external mold, and sizing material stream is constituted between internal model and external mold
Channel out, and flow pass end constitutes the cavity that can accommodate glue.
7. preparation facilities employed in evaporator metal tube outer surface overlay film preparation according to claim 5, feature
Be: it is described longitudinal direction coating unit include preheating device, coating unit, solidification equipment, metal pipe material, traction device, coiled strip wheel,
Guide-localization is equipped with heating element, coating unit in the preheating device and solidification equipment to taking turns, coating sheave, conductive adhesive film
In be provided with coiled strip wheel, guide-localization to wheel and along the cladding sheave that coating unit horizontal direction is set gradually, the cladding slot
At least three pairs of wheel, and the radius of each pair of cladding sheave is gradually reduced, and is wound with hot melt conductive adhesive film on the coiled strip wheel, pairs of
Groove on cladding sheave constitutes the outer diameter that can accommodate metal pipe material.
8. preparation facilities employed in evaporator metal tube outer surface overlay film preparation according to claim 5, feature
Be: the winding coating unit include preheating device, winding device, solidification equipment, metal pipe material, traction device, coiled strip wheel,
Motor, rotating frame, conductive adhesive film, the winding device include the rotating frame that can be rotated around metal pipe material axis, driving rotation
Turn frame member is motor, and rotary coiled strip roller is equipped on rotating frame, and conductive adhesive film is wrapped in coiled strip roller
On, the preheating device is mounted on the middle of winding device and traction device.
9. preparation facilities employed in evaporator metal tube outer surface overlay film preparation according to claim 5, feature
Be: the immersion coating be metal pipe material immerses to hot melt imports can be by a rotary shaft from metal tube when glue is coated
It being passed through among sub, rotating shaft terminal is supported by bearing bracket stand and is fixed on the support, wherein rotary shaft one end and motor axis connection,
Motor drives rotary shaft rotation, and metal pipe material outer surface can uniformly immerse one layer of hot melt heat conducting film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545585.XA CN109798803A (en) | 2018-12-18 | 2018-12-18 | A kind of precoated metal tubing and preparation facilities, preparation method and its manufactured evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545585.XA CN109798803A (en) | 2018-12-18 | 2018-12-18 | A kind of precoated metal tubing and preparation facilities, preparation method and its manufactured evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109798803A true CN109798803A (en) | 2019-05-24 |
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ID=66556989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811545585.XA Pending CN109798803A (en) | 2018-12-18 | 2018-12-18 | A kind of precoated metal tubing and preparation facilities, preparation method and its manufactured evaporator |
Country Status (1)
| Country | Link |
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| CN (1) | CN109798803A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111687005A (en) * | 2020-07-07 | 2020-09-22 | 浙江山蒲照明电器有限公司 | FPC trigger is gone into to integrative many specifications intelligence of LED two sides |
| CN114056714A (en) * | 2021-11-05 | 2022-02-18 | 安徽菲雷克斯物流装备制造有限公司 | Composite tray and manufacturing method thereof |
| CN114056715A (en) * | 2021-11-05 | 2022-02-18 | 安徽菲雷克斯物流装备制造有限公司 | Reinforced tray structure suitable for wet and cold environment and manufacturing method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111687005A (en) * | 2020-07-07 | 2020-09-22 | 浙江山蒲照明电器有限公司 | FPC trigger is gone into to integrative many specifications intelligence of LED two sides |
| CN114056714A (en) * | 2021-11-05 | 2022-02-18 | 安徽菲雷克斯物流装备制造有限公司 | Composite tray and manufacturing method thereof |
| CN114056715A (en) * | 2021-11-05 | 2022-02-18 | 安徽菲雷克斯物流装备制造有限公司 | Reinforced tray structure suitable for wet and cold environment and manufacturing method thereof |
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Application publication date: 20190524 |
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