CN113006652A - Molecular sieve spacing strip, manufacturing method and equipment - Google Patents
Molecular sieve spacing strip, manufacturing method and equipment Download PDFInfo
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- CN113006652A CN113006652A CN202110291804.1A CN202110291804A CN113006652A CN 113006652 A CN113006652 A CN 113006652A CN 202110291804 A CN202110291804 A CN 202110291804A CN 113006652 A CN113006652 A CN 113006652A
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- molecular sieve
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 60
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Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/663—Elements for spacing panes
- E06B3/66309—Section members positioned at the edges of the glazing unit
- E06B3/66361—Section members positioned at the edges of the glazing unit with special structural provisions for holding drying agents, e.g. packed in special containers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/06—Joining glass to glass by processes other than fusing
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/673—Assembling the units
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
- E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Joining Of Glass To Other Materials (AREA)
- Securing Of Glass Panes Or The Like (AREA)
Abstract
The invention belongs to the technical field of glass deep processing and discloses a molecular sieve spacing bar, a manufacturing method and equipment, wherein a molecular sieve in the molecular sieve spacing bar is bonded into a bar-shaped object through an adhesive; the outer surface of the molecular sieve is wrapped with a layer of adhesive, and the molecular sieve is used as a supporting framework and is formed into a spacing bar with a certain porosity through mutual adhesion of the adhesive, and the spacing bar is directly adhered to glass to form a spacing frame in an online manufacturing and online placing mode. The molecular sieve spacer bar of the invention increases the moisture absorption function and the support function of the molecular sieve, so that the molecular sieve and the spacer bar are combined into a whole, and the existing flow for filling the molecular sieve is omitted, thereby reducing the production cost; various additives can be added into the spacing bars, and various functional strips can be compounded, so that the performance of the spacing bars is improved; the cost is not higher than that of the existing aluminum alloy strip which is the lowest in cost, and the performance is not lower than that of the existing TPS and TSS strips which are the highest in end.
Description
Technical Field
The invention belongs to the technical field of glass deep processing, and particularly relates to a molecular sieve spacing strip, a manufacturing method and equipment.
Background
At present: the energy consumption of the building accounts for more than 30% of the total social energy consumption, and the improvement of the heat insulation performance of the doors and windows is a main way for promoting the energy conservation of the building; the hollow glass has good heat insulation and sound insulation performance, low cost, large capacity and convenient installation and use, so the hollow glass is widely applied. The spacing frame is one of the important components of the hollow glass, not only connects two pieces of glass to form a hollow cavity, but also plays a role in sealing the hollow cavity, and is related to the wind pressure resistance of the hollow glass. The spacing frame is generally made by inserting or bending spacing bars, and the inserted spacing frame is gradually eliminated due to more seams and poor sealing performance; the prior spacing frame in China is mainly made of aluminum alloy strips through a bending machine, and has the main defects that the thickness of the aluminum alloy strips is about 6.5mm, the inner surface is pressed, the outer surface is pulled, and two side surfaces bulge outwards when the aluminum alloy strips are bent, so that the aluminum alloy strips are required to have good ductility and certain wall thickness, and are easy to deform or break; the wall thickness is large, so that the cost is high, the heat conducting performance is good, and the heat insulation performance is poor; and the bending radius ratio is larger, the bending radius ratio is not matched with the right angle of the glass, and the corner part is easy to lack glue and needs manual repair when a gluing machine is used for knotting and glue forming. In order to adsorb water vapor in a hollow cavity and prolong the service life of hollow glass, a molecular sieve is required to be filled in a spacing bar, the prior art is that after a spacing frame is manufactured, a molecular sieve filling machine respectively punches holes on the outer surfaces of two edges of one corner of the spacing frame to fill the molecular sieve into the cavity of the spacing bar, and the filling holes are blocked by butyl rubber; when the existing molecular sieve is filled, dust is easily generated due to abrasion and collision of the molecular sieve in the transportation process, the dust can enter the spacing bars along with the molecular sieve, and the dust can also enter the hollow cavity through moisture absorption holes in the spacing bars in the transportation of glass, so that the hollow glass is polluted. After the molecular sieve is filled in the spacing frame, the butyl rubber on one side and one side is filled on two side faces of the spacing frame, and the defects that the four sides of the spacing frame need to be respectively filled with the butyl rubber, the butyl rubber at four corners is caused by discontinuous glue filling, the time is long and the glue is less, the sealing failure is easily caused by glue breaking, and the glue filling is difficult when the size of the spacing frame is larger. The existing spacer frame manufacturing, molecular sieve filling, butyl rubber beating and spacer frame placing generally adopt a semi-manual and semi-mechanical mode, about 3-4 persons are needed, equipment connection is not needed, the middle needs to be transported, the automation degree is low, the labor intensity of workers is high, and the product quality is not stable.
The existing spacer bar can be divided into factory manufacturing and field manufacturing according to the manufacturing mode, the spacer bar manufactured in the factory is a finished product, such as an aluminum spacer bar, and a spacer frame is manufactured on the production field of hollow glass, and the spacer frame has the defects of more occupied workers, poor heat insulation performance, incapability of being mechanically installed on the glass and the like; the spacer manufactured on site is a disposable spacer, such as a TPS warm edge and the like, and can solve the main problems of the aluminum spacer, but has the disadvantages of high equipment price, high investment, high material price and spacer cost which is several times of that of the common spacer, so that the spacer cannot be popularized and applied in a large scale.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) the existing spacing bar needs to be punched on the outer surface of the spacing frame to destroy the sealing property of the spacing frame, and the plugging can only prevent the molecular sieve from flowing out and cannot ensure the water tightness and the air tightness.
(2) The existing molecular sieve spacing bar is easy to enter dust in the preparation process, and causes pollution to hollow glass.
(3 the existing spacer frame manufacturing, molecular sieve filling, butyl rubber beating and spacer frame placing generally adopt a semi-manual and semi-mechanical mode, about 3-4 persons are needed, equipment connection is not needed, transportation is needed in the middle, the automation degree is low, the labor intensity of workers is high, and the product quality is not stable.
The difficulty in solving the above problems and defects is: the existing spacing bar is difficult to simultaneously meet the requirements of small equipment investment, low manufacturing cost, good heat insulation and sealing performance, automatic winding and high degree of mechanization.
The significance of solving the problems and the defects is as follows: the spacer bar has the advantages that the two existing spacer bar manufacturing modes are combined together, the advantages and the disadvantages are made, the spacer bar with high performance and long service life can be produced mechanically by adopting small equipment investment and low material cost, and can be automatically placed on glass mechanically, so that the spacer bar not only has fundamental change on the production of hollow glass, but also has extremely important significance on reducing building energy consumption and promoting the development of environmental protection career.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a molecular sieve spacing strip, a manufacturing method and equipment.
The invention is realized in such a way that the molecular sieve spacing bar comprises a molecular sieve and an adhesive, the spacing bar is a bar formed by bonding the molecular sieve together through the adhesive, namely, a layer of the adhesive is coated on the outer surface of the molecular sieve, and the spacing bar which takes the molecular sieve as a supporting framework and has certain porosity is formed by bonding the adhesive with each other.
Wherein:
the spacing bar preferably adopts a manufacturing process similar to that of asphalt concrete, and the composition, the type, the specification, the void ratio and the performance of the spacing bar are all adjustable.
The spacer is preferably rectangular in cross-section and has a width and thickness that is the same or similar to existing spacers.
The molecular sieve is preferably an A-type molecular sieve with the particle size of 0.5-5.0mm for the existing hollow glass, and is further preferably a 3A spherical molecular sieve with the particle size of 1.0-2.5 mm; the larger the particle size and the higher the compressive strength of the molecular sieve are, the more void ratio can be provided and the use amount of the adhesive can be reduced;
furthermore, lightweight or porous cheap materials such as ceramsite, ceramic sand, perlite, diatomite, bentonite, glass beads, plastic particles and the like can be added into the molecular sieve, so that the cost of the spacing bar can be reduced, and the heat insulation and sound insulation performance of the spacing bar can be improved.
The adhesive can be various adhesives, including a sealing adhesive and a structural adhesive, preferably a hot melt adhesive, has short solidification time, and is beneficial to automatic and flow line production; or various high molecular materials, preferably thermoplastic or thermosetting plastics, elastomers or rubber, and the like, such as common PP, PC, PVC, PS, PE, PB, ABS, PU, PA, TPS, TPU, and the like, and has the advantages of simple mixing and extruding process, mature technology, low cost, good performance adjustability, small equipment investment, and the like.
Furthermore, the adhesive is preferably a sealant with good air tightness or a structural adhesive with short curing time and fast mechanical performance, such as butyl adhesive, hot melt adhesive, UV adhesive, pressure-sensitive adhesive, AB adhesive, instant adhesive, silicone adhesive, polyurethane adhesive, polysulfide adhesive, acrylic adhesive, anaerobic adhesive, neoprene adhesive, PVC adhesive, asphalt adhesive, phenolic resin adhesive or epoxy resin adhesive.
Furthermore, various functional fillers such as a reinforcing agent, a toughening agent, an anti-ultraviolet agent, an anti-aging agent and the like can be added into the adhesive so as to meet the requirements of improving the service performance of the hollow glass and prolonging the service life.
The mixing ratio of the molecular sieve to the adhesive is generally 1:1 to 9:1, so as to meet the molding requirement; on the premise of meeting the molding requirement, the higher the molecular sieve ratio, the better the moisture absorption performance and the higher the void ratio, the better the heat insulation performance and the sound insulation performance of the spacer bar, and the lower the manufacturing cost, so the higher the molecular sieve ratio is, preferably 4:1 to 7: 1.
The outer surface (namely the outer surface after enclosing the spacing frame) or the inner part of the spacing bar is provided with one or two layers of compact layers, the materials of the compact layers can be metal, plastic, glass fiber or glue layers, or composite materials made of two or three materials, such as metal bands, plastic bands, butyl rubber or hot melt glue layers, silicone glue layers, aluminum-plastic bands, glass fiber aluminum foil bands and the like, and the compact layers not only can improve the air tightness and the water tightness of the spacing bar, but also can improve the strength, the toughness and the forming performance of the spacing bar;
furthermore, the compact layer is not only positioned on the outer surface of the spacing bar, but also positioned on two side surfaces (the bonding surface with the glass, part or all) of the spacing bar, the compact layer is a U-shaped groove bar, and the molecular sieve and the bonding agent are directly filled in the U-shaped groove, so that the production of the spacing bar is facilitated, and the strength, the rigidity and the flatness of the spacing bar can be increased.
One or two reinforcing layers such as a metal wire mesh, glass fiber mesh cloth or polyester cloth can be added on the outer surface or the inner part of the spacing bar, so that the strength, the rigidity and the straightness of the spacing bar are further improved;
further, the enhancement layer can be used with the compact layer in a composite mode, the enhancement layer is located on the outer side or the inner side of the compact layer, and preferably the enhancement layer is U-shaped and located on the outer surface and the two side faces of the spacing bar, so that the using amount of the compact layer can be reduced, and the adhesive force of the side faces can be improved.
The inner surface of the spacing bar (i.e. the inner surface after enclosing the spacing frame) can be provided with a decorative layer, the material of the decorative layer can be metal, plastic, glass fiber or colloid, or a composite material made of two or three materials, such as a metal belt or net with moisture absorption holes or capable of permeating water vapor, a plastic belt or net, a hot melt adhesive or a butyl adhesive layer, an aluminum plastic belt or net, a glass fiber belt or net, a polyester belt or net and the like.
When the spacing bars are manufactured into the spacing frame, the spacing frame can be formed in a segmented mode or can be manufactured into the spacing frame in a bending mode;
further, when the outer surface of the spacer bar is not provided with a compact layer or a reinforcing layer, the spacer frame is preferably formed by sections, and the sections are easier to operate than bending; the end face of each section is a right angle or a 45-degree angle, preferably a 45-degree angle, so that the partition frame is easy to splice, and the sealant coated on the two side faces is easy to connect together to form closed sealing; when the outer surface of the spacing bar is provided with the compact layer or the reinforcing layer, the spacing bar is preferably bent to form a spacing frame; it is further preferable that the spacer is bent by using a notch, the spacer has a bending notch, that is, the notch is pressed by using a die or cut by using a cutter at the bending position, the shape of the bending notch is selected according to the shape of the spacer frame, for example, when a rectangular spacer frame is manufactured, the shape of the notch is preferably an isosceles right triangle, the vertex of the bending notch is preferably close to the dense layer or the reinforcing layer, and when the spacer is bent, the dense layer or the reinforcing layer is bent at the vertex of the notch.
Further, when the compact layer of the spacer is a U-shaped groove, preferably, two side faces of the compact layer are cut at a bending position, then the two side faces are turned inwards at the cutting position by 90 degrees to form bending gaps in the shape of an isosceles right triangle, corresponding treatment is also performed at two ends of the spacer, preferably, the treatment is completed on line by adopting a stamping die, finally, a molecular sieve and an adhesive are filled in the U-shaped groove between two adjacent bending gaps, preferably, the filling is performed by adopting a plastic extruder, a popcorn sugar forming machine and other similar equipment, and the spacer with the compact layer and the bending gaps is obtained after flattening, cooling and curing.
Furthermore, after the spacing bar is cut off or a bending notch is manufactured, firstly gluing (coating butyl rubber) on two sides of the spacing bar, and then bending to connect into a spacing frame; glue is firstly applied and then bent, so that not only can glue be automatically and continuously applied, but also the glue applying quality is good, the glue applying speed is high, and the glue breaking phenomenon at the bending position can not occur.
Further, the shape of the bending gap is determined by the shape of the spacing frame or the bending angle, and if the spacing frame is rectangular or square or the bending angle is a right angle, the bending gap is preferably an isosceles right-angle triangle and is bent at the right angle of the triangle; or the gap of the spacing bar is a square and is bent at a right angle of the square;
furthermore, the two ends of the spacing bar are preferably connected at the corners, and the two ends of the spacing bar can be respectively cut into 45-degree angles and are preferably connected together through an adhesive (such as butyl rubber); the two ends of the spacing bar can be respectively cut into 90-degree angles to be spliced together or connected together through an adhesive; preferably, when the spacer has the dense layer or the reinforced layer, the dense layer or the reinforced layer at one end is slightly long (the length is generally 3-10mm), and the spacer is bent and then bonded or connected with the dense layer or the reinforced layer at the other end, so that the bent dense layer or the bent reinforced layer wraps the sharp edge (corner) at the other end, thereby preventing the sharp edge from hurting people and objects and enabling the dense layer or the reinforced layer to form continuous sealing.
The bonding seal between the spacing strips and the glass can be point bonding or linear bonding; the point bonding has better heat insulation performance, and the line bonding has higher sealing performance and mechanical strength.
The on-line manufacturing of the spacing bar refers to that the spacing bar directly produces the spacing bar with the required length according to the size of glass by utilizing a production line on the production site of the hollow glass, namely beside a hollow glass production line, the spacing bar does not need to be packaged and transported, and leftovers and waste materials are not produced;
the on-line placement of the spacing bars refers to that the spacing bars are placed on the production site of the hollow glass, namely beside the production line of the hollow glass, after sealant or structural adhesive is coated on the two sides of the spacing bars produced by the production line of the spacing bars, the spacing bars are positioned on the placement stations of the spacing bars of the production line of the hollow glass, and the spacing bars are directly adhered and mounted on the glass to form the spacing frame.
Another objective of the present invention is to provide a method for manufacturing a spacer bar and a spacer frame thereof, wherein the method for manufacturing the spacer bar and the spacer frame thereof comprises the following steps:
the first step, selecting a molecular sieve and a binder: selecting a molecular sieve with a proper type and a proper particle size, and selecting an adhesive with a proper material; further, the types and the amounts of various additives are selected according to the requirements;
step two, selecting a forming die: selecting a proper forming die according to the type of the spacer bar to be manufactured; further, the type and specification of the compact layer or the reinforcing layer or the decorative layer are selected according to the requirement;
step three, forming: adding the molecular sieve, the adhesive and various additives into a forming machine according to a preset proportion, continuously extruding the mixture into a die after mixing, stirring and heating the mixture uniformly, and forming a spacing bar after rolling, shaping, cooling and curing; furthermore, a compact layer or a reinforcing layer or a decorative layer can be placed in the die in advance according to requirements, bending notches are simultaneously manufactured, and finally the spacing bars are cut off;
step four, gluing: coating sealant or structural glue, such as butyl rubber, on two sides of the spacer bar, namely the bonding surface with the glass;
step five, winding: the spacing bars cut into sections are respectively bonded on each edge of the glass, and the bonding and installation of the spacing bars of each section can be sequentially finished by adopting a glass rotation and translation mode to ensure that the position of the upper bar is unchanged; the continuous spacing strip with the bending gap can be bonded on glass on one edge, then the position of the upper strip is enabled to be unchanged by adopting a glass rotation and translation mode, the bonding and the installation of each section of the spacing strip are completed in sequence, the spacing strip is automatically bent at the bending gap when the glass rotates, and finally the two ends of the spacing strip are connected and closed together through the sealant, so that a closed spacing frame is formed on the glass.
In the fourth step of the manufacturing method, when the adhesive is hot-melt pressure-sensitive adhesive or hot-melt butyl adhesive, the hot-melt pressure-sensitive adhesive or the hot-melt butyl adhesive can be ignored, and can be directly adhered to the glass.
The steps of the manufacturing method can be completed manually or mechanically, and can also be completed partially manually or partially mechanically, and a mechanized and automatic production line is preferably adopted.
The invention also aims to provide a manufacturing device of the molecular sieve spacing bar and the spacing frame thereof, which comprises an automatic forming machine, an automatic cutting machine, an automatic gluing machine and an automatic strip feeding machine, wherein the automatic forming machine completes the forming of the spacing bar, the automatic cutting machine completes the measurement, the bending gap making and the cutting of the spacing bar, the automatic gluing machine completes the coating of sealant or structural glue on the two sides of the spacing bar, and the automatic strip feeding machine completes the installation of the spacing bar on glass; the devices are connected into a production line, and the manufacturing and the installation of the spacing bars are automatically completed; therefore, the connection between the automatic production line of the spacing frame and the existing automatic production line of the hollow glass is realized, and the automation and the mechanization of the whole production of the hollow glass can be realized.
Furthermore, the automatic winding machine can be replaced by manpower, and the bending of the spacing bars, the formation of the spacing frames and the arrangement of the spacing frames are completed manually, so that the investment can be reduced, and the upgrading and the transformation of the existing production line are facilitated.
By combining all the technical schemes, the invention has the advantages and positive effects that: the molecular sieve spacer bar of the invention increases the moisture absorption function and the support function of the molecular sieve, so that the molecular sieve and the spacer bar are combined into a whole, and the existing flow for filling the molecular sieve is omitted, thereby reducing the production cost; various additives can be added into the spacing bars, and various functional strips can be compounded, so that the performance of the spacing bars is improved; the cost is not higher than that of the existing aluminum alloy strip which is the lowest in cost, and the performance is not lower than that of the existing TPS and TSS strips which are the highest in end.
According to the molecular sieve spacing strip, the adhesive can be hot-melt pressure-sensitive adhesive or hot-melt butyl rubber, so that the spacing strip has self-adhesion, no adhesive is required to be applied when the spacing strip is adhered to glass, the three functions of spacing support, moisture absorption and adhesion are realized, the cost is further reduced, and the performance is improved.
According to the molecular sieve spacer bar, the molecular sieve is wrapped by the adhesive, so that the molecular sieve spacer bar has a slow absorption function and can prolong the service life of the molecular sieve; the loss of the performance and the service life of the molecular sieve caused by the fact that a large amount of moisture in the atmospheric environment is absorbed by the existing molecular sieve after filling and before glass sheet combination is also prevented; and the phenomenon that the hollow glass is concave due to rapid moisture absorption at the beginning and stress is generated at the edge part to generate adverse effects on the sealing performance and the mechanical performance of the glass is avoided.
According to the molecular sieve spacer bar, gaps are formed among the molecular sieves wrapped by the adhesive, and water vapor can reach the peripheries of all the molecular sieves through the gaps, so that moisture in the hollow cavities can be absorbed by all the molecular sieves.
According to the molecular sieve spacer strip, gaps are formed among the molecular sieves wrapped by the adhesive, and sufficient buffer space is formed in the process of compression or stretching, so that stress cannot be generated at the edge of glass.
The molecular sieve spacer bar provided by the invention has the advantages that the molecular sieve and the adhesive need to be heated in the manufacturing process to melt the adhesive, so that the moisture adsorbed by the molecular sieve, the adhesive and the like can be removed in the heating process, namely, the activation function of the molecular sieve is increased, the moisture absorption performance of the molecular sieve is further improved, and the service life of the hollow glass is prolonged.
According to the molecular sieve spacer bar, the molecular sieves are solidified together by the adhesive, so that dust generated by movement friction and abrasion between the molecular sieves in the transportation and use processes of the hollow glass is avoided, and the hollow cavity is prevented from being polluted by the dust.
The molecular sieve spacing strip has the bending notch at the bending position, and the spacing strip is very easy to bend at the bending notch, so that the molecular sieve spacing strip can be conveniently implemented by manpower without using complex and expensive bending equipment, has a very simple structure even if equipment is used, has the investment of only about 30 percent of that of the conventional equipment, is accurate in positioning of the bending notch, enables the size of a spacing frame to be accurate, is regular in appearance, and ensures the edge sealing quality and the sealing performance of hollow glass.
The molecular sieve spacing bar has the advantages that the bending notch is formed in the bending position, so that the bending radius of the spacing bar is very small, the corner of the spacing frame can be well matched with the corner of glass, and manual corner trimming is not needed after gluing.
According to the molecular sieve spacing bar, after the bending gap is manufactured, glue is applied to two sides of the spacing bar (glue for bonding between the spacing bar and glass) very easily, and then the spacing bar is bent, so that the conventional process flow of bending first and then applying glue is changed, and the problems that glue cannot be applied automatically and continuously and glue is not uniform are solved; the spacer bar is glued before bending, is glued earlier, is bent afterwards, not only can advance the in-process at the spacer bar and go on automatically, beat moreover glue of high qualityly, beat glue efficient.
The molecular sieve spacing bar is very easy to install on glass by a manipulator after manufacturing a bending notch, the bending of the spacing bar is completed by the rotation of the glass after one side is installed, a second side can be installed by the translation of the glass, and all sides can be installed by the machine in sequence.
The spacer bar of the molecular sieve directly produces the spacer bar with the required length according to the size of glass, does not need to be packaged and transported, does not have a seam between two spacer bars, and does not produce leftovers and waste materials.
The molecular sieve spacing bar is very suitable for manufacturing a mechanical and automatic production line, not only saves labor, but also can improve the product quality and the production efficiency, and achieves the purposes of reducing personnel and improving efficiency.
The molecular sieve spacing bar and the production line thereof are not only suitable for newly building a production line and realizing the full-automatic production of hollow glass, but also can be used for upgrading and reconstructing the existing production line.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
FIG. 1 is a schematic cross-sectional view of a molecular sieve spacer provided in an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a spacer bar of a molecular sieve having a dense layer according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a molecular sieve spacer having a densified layer and a decorative layer according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional structure of a spacer bar of a molecular sieve having a dense layer of U-type provided by an embodiment of the invention;
FIG. 5 is a schematic cross-sectional structural view of a molecular sieve spacer bar having a dense layer of U-type on the short side provided by an embodiment of the invention;
FIG. 6 is a schematic cross-sectional view of a molecular sieve spacer having U-shaped reinforcing layers according to an embodiment of the present invention;
FIG. 7 is a schematic cross-sectional view of a molecular sieve spacer having a dense layer and a reinforcing layer according to an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of another molecular sieve spacer having a dense layer and a reinforcing layer according to an embodiment of the present invention;
FIG. 9 is a schematic diagram of a longitudinal cross-sectional view of a molecular sieve spacer having a bend gap according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of a longitudinal cross-sectional structure of a molecular sieve spacer having fold notches and a dense layer according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a longitudinal cross-sectional structure of a molecular sieve spacer having bend notches and densified layers and a decorative layer according to an embodiment of the present invention;
figure 12 is a schematic longitudinal cross-sectional view of a molecular sieve spacer having fold notches and a U-shaped dense layer according to an embodiment of the present invention.
In the figure: 1. the coating comprises a molecular sieve, 2 parts of an adhesive, 3 parts of a compact layer, 4 parts of a decorative layer, 5 parts of a reinforcing layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present invention provides a molecular sieve spacer, a method for making the same, and an apparatus thereof, which are described in detail below with reference to the accompanying drawings.
Example 1: referring to fig. 1 and 9, a molecular sieve spacer comprises a molecular sieve 1 and an adhesive 2, wherein the molecular sieve 1 is a 3A molecular sieve with a particle size of 1.4-2.0mm, the adhesive 2 can be a common plastic such as PE, PP, PA, PS, PVC, ABS, PU, TPS, or a hot melt adhesive such as EVA, TPR, PA, PEs, PEA, TPE, PUR, TPU, or a hot melt pressure sensitive adhesive or a hot melt butyl adhesive, so that the spacer has self-adhesiveness, and no adhesive needs to be applied when the spacer is bonded with glass; since the adhesive 2 mainly plays a role of adhesion, a conventional raw material having a wide source and a low price can be preferably used. In order to prevent the spacer from being deformed and cracked, a fiber material such as glass fiber, polyester fiber, etc. may be added to the adhesive 2; in order to prevent the spacer from deforming under heating and burning in case of fire, calcium carbonate powder, flame retardant and the like can be added into the adhesive 2; in order to prolong the service life of the spacer, an anti-aging agent, an ultraviolet ray resistant agent, etc. may be added to the adhesive 2. The content of the molecular sieve 1 is 50-90%, the higher the dosage of the molecular sieve 1 is, the better the moisture absorption performance and the better the heat insulation and sound insulation effects of the spacing bar are, but the forming performance of the spacing bar can be influenced to a certain extent; on the premise of ensuring the moisture absorption performance of the spacing bar, some porous and light materials with certain moisture absorption function can be added to replace part of the molecular sieve 1, such as ceramsite, ceramic sand, diatomite, bentonite, wood powder, plastic powder and the like, so that the manufacturing cost of the spacing bar is further reduced; the spacer bar can be formed by special forming equipment, is similar to forming machines of asphalt concrete, praline, popcorn candy, plastics and the like, and has the functions of mixing, stirring, heating and extruding, rolling, cooling, cutting and the like; the molecular sieve 1, the adhesive 2 and other additives are added into a forming machine after being metered according to a designed proportion, the materials are extruded into a die after being mixed, stirred and heated uniformly, different dies are selected for spacer bars with different specifications, bending notches are manufactured and cut into sections according to the size of manufactured hollow glass and the assembly mode of a spacer frame after being rolled, shaped, cooled and solidified, and the spacer frame can be directly bonded on the glass after two side surfaces are glued (or self-adhered).
Example 2: referring to fig. 2 and 10, a molecular sieve spacer comprises a molecular sieve 1, a binder 2 and a dense layer 3, which is basically the same as that of example 1, except that the dense layer 3 is added, the dense layer 3 has one or two layers and can be arranged on the outer surface or inside of the spacer, and the dense layer 3 can play a role in sealing and supporting; the compact layer 3 can be selected from metal foil belts such as stainless steel belts with the thickness of about 0.1mm, aluminum alloy belts with the thickness of 0.1-0.2mm, metal plastic composite belts such as aluminum plastic composite belts, plastic belts such as PET belts with better water vapor barrier property, and the like; the compact layer 3 can be placed at the bottom or the middle part of the mold, extruded together with the uniformly mixed molecular sieve 1 and the adhesive 2, and cooled and solidified to form a spacing bar; in order to facilitate the bending of the spacing bars to form the rectangular spacing frame, bending notches can be formed by pressing a die before the spacing bars are solidified or cutting the bending notches by a cutting machine after the spacing bars are solidified according to the size of the spacing frame, the vertex angle of each bending notch is close to the compact layer 3 but does not damage the compact layer 3, the edge of each bending notch and the compact layer 3 form an angle of 45 degrees, the two angles of 45 degrees form an angle of 90 degrees together during bending, and the compact layer 3 at the vertex angle of each bending notch is bent by 90 degrees; the two ends of the spacing strip are respectively at an angle of 45 degrees and at an angle of 90 degrees after being closed, and the closed position can be bonded by sealant (butyl rubber), so that the compact layer 3 forms a closed sealing layer.
Example 3: referring to fig. 3 and 11, a spacer for molecular sieve, including a molecular sieve 1, an adhesive 2, a dense layer 3 and a decorative layer 5, is substantially the same as that of embodiment 2, except that the decorative layer 5 is added, the decorative layer 5 may select a metal foil tape with moisture absorption holes, such as a stainless steel tape with a thickness of about 0.1mm, an aluminum alloy tape with a thickness of 0.1-0.2mm, etc., may select a metal plastic composite tape with moisture absorption holes, such as an aluminum-plastic composite tape, etc., may select a breathable plastic tape, such as a non-woven fabric with good water vapor permeability, a polyester fiber fabric, etc., and may select a glass fiber fabric, a mesh fabric, etc.; the decorative layer 5 can be placed on the top of the die, extruded together with the uniformly mixed molecular sieve 1 and the adhesive 2, and cooled and solidified to form a spacing bar; the difference is that the compact layer 3 at one end of the spacing strip is slightly 5-20mm long, and the compact layer 3 can be bonded and lapped together by using sealant (butyl rubber) when the spacing strip is closed, so that the compact layer 3 forms a sealing layer with better sealing performance.
Example 4: referring to fig. 4 and 12, a spacer for molecular sieves comprises a molecular sieve 1, an adhesive 2 and a dense layer 3, and is basically the same as that of example 2, except that the dense layer 3 is U-shaped, two edges of the U-shaped dense layer 3 are punched, sheared and bent by a die at a bending gap to form a bending gap, a mixture of the molecular sieve and the adhesive which are uniformly mixed and heated is filled in the U-shaped groove of the dense layer 3, and the dense layer 3 is wrapped on three surfaces of the spacer to enable the spacer to be more easily molded, and to have better strength, rigidity and sealing performance.
Example 5: referring to fig. 5, a spacer for molecular sieve comprising a molecular sieve 1, a binder 2 and a dense layer 3, substantially the same as in example 2 or 4, except that the dense layer 3 has a small folded edge as compared with example 2, which makes the spacer easier to form and has better strength, rigidity and sealing property; compared with the embodiment 4, the folded edge of the dense layer 3 is smaller, so that the folded notch is easier to manufacture, the material is saved, and the manufacturing cost is lower.
Example 6: referring to fig. 6, a spacer for molecular sieve comprises a molecular sieve 1, a binder 2 and a reinforcing layer 4, which is substantially the same as that of example 4, except that the reinforcing layer 4 is used to replace the dense layer 3, the reinforcing layer 4 can be selected from a metal wire mesh, a glass fiber mesh cloth or a plastic fiber cloth, and the reinforcing layer 4 is wrapped on three surfaces of the spacer to make the spacer easier to form, have better strength, rigidity and heat insulation performance, and also facilitate the bonding and sealing with glass.
Example 7: referring to fig. 7, a spacer for molecular sieve, including a molecular sieve 1, an adhesive 2, a dense layer 3 and a reinforcing layer 4, is substantially the same as in example 2, except that the reinforcing layer 4 is added outside the dense layer 3, the reinforcing layer 4 can be selected from a metal wire mesh, a glass fiber mesh cloth or a plastic fiber cloth, etc., the reinforcing layer 4 is U-shaped, and wraps three surfaces of the spacer to make the spacer easier to form, and the spacer has better strength, rigidity and sealing performance, and is easier to bond and seal with glass.
Example 8: referring to fig. 8, a molecular sieve spacer comprising a molecular sieve 1, a binder 2, a dense layer 3 and a reinforcing layer 4 is substantially the same as in example 6 except that the dense layer 3 is added to the outside of the reinforcing layer 4, which is more hermetic than example 6.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A molecular sieve spacer, comprising:
molecular sieves and binders;
the molecular sieve is bonded into a strip-shaped object through an adhesive;
the outer surface of the molecular sieve is wrapped with a layer of adhesive, and the molecular sieve is bonded with the adhesive to form a spacer bar which takes the molecular sieve as a supporting framework and has a certain void ratio.
2. The molecular sieve spacer of claim 1 wherein the spacer is bonded directly to the glass in an in-line fabrication, in-line placement manner to form a spacer frame;
the molecular sieve is an A-type molecular sieve with the particle size of 0.5-5.0 mm;
the molecular sieve is added with light or porous materials such as ceramsite, ceramic sand, perlite, diatomite, bentonite, glass beads or plastic particles and the like.
3. The molecular sieve spacer of claim 1 wherein said binder is an adhesive, or a polymeric material;
reinforcing agent, toughening agent, ultraviolet resistant agent or anti-aging agent functional filler is added into the adhesive;
the mixing ratio of the molecular sieve to the adhesive is 1: 1-9: 1;
one or two compact layers are arranged on the outer surface or inside the spacing bar, and the compact layers are made of one or more of metal, plastic, glass fiber or adhesive layers;
the compact layer is in a U-shaped groove, and the molecular sieve and the adhesive are directly filled in the U-shaped groove.
4. The molecular sieve spacer of claim 1 wherein one or two reinforcement layers are disposed on the outer surface or inside of the spacer, wherein the reinforcement layers are wire mesh, fiberglass mesh or polyester cloth;
the inner surface of the spacing bar is provided with a decorative layer, and the decorative layer is made of metal, plastic, glass fiber or colloid or a composite material made of two or more than two or three materials.
5. The molecular sieve spacer of claim 1 wherein the spacer is formed into a spacer frame by being segmented or bent to form a spacer frame;
when the outer surface of the spacing bar is not provided with the compact layer or the reinforcing layer, the spacing frame is formed by sections; the end surface of each section is a right angle or a 45-degree angle;
when the outer surface of the spacing bar is provided with the compact layer or the reinforcing layer, the spacing bar is bent to form the spacing frame, the spacing bar is provided with a bending gap, and the shape of the bending gap is selected according to the shape of the spacing frame.
6. The molecular sieve spacer bar of claim 5 wherein when the dense layer of the spacer bar is a U-shaped channel bar, the two sides of the dense layer are cut at the bend, then the two sides are folded inward at the notch by 90 degrees to form a isosceles right triangle bend gap, the two ends of the spacer bar are treated correspondingly, finally the U-shaped channel between two adjacent bend gaps is filled with the molecular sieve and the adhesive, and the spacer bar with the dense layer and the bend gap is formed after flattening, cooling and curing.
7. The molecular sieve spacer of claim 5 wherein the spacer has ends joined at corners where the ends of the spacer are cut at 45 ° or joined together by an adhesive, or where the ends of the spacer are cut at 90 ° or joined together by an adhesive.
8. The method for manufacturing the molecular sieve spacing bar and the spacing frame thereof as claimed in any one of claims 1 to 7, is characterized in that the method for manufacturing the molecular sieve spacing bar and the spacing frame thereof comprises the following steps:
the first step, selecting a molecular sieve and a binder: selecting a molecular sieve with a proper type and a proper particle size, and selecting an adhesive with a proper material;
step two, selecting a forming die: selecting a proper forming die according to the type of the spacer bar to be manufactured, and selecting the type and specification of the compact layer or the reinforcing layer or the decorative layer according to the requirement;
step three, forming: adding a molecular sieve, an adhesive and various additives into a forming machine according to a preset proportion, mixing, stirring, heating uniformly, continuously extruding into a die, rolling, shaping, cooling and curing to form a spacing bar, placing a compact layer or a reinforcing layer or a decorative layer in the die in advance according to needs, simultaneously making a bending gap, and finally cutting the spacing bar;
step four, gluing: coating sealant or structural adhesive on two sides of the spacing bar, namely the bonding surface with the glass;
step five, winding: the spacing bars cut into sections are respectively bonded on each edge of the glass, and the bonding and installation of the spacing bars of the sections are sequentially finished by adopting a glass rotation and translation mode to enable the position of the upper bar to be unchanged; the continuous spacing strip with the bending gap can be bonded on glass on one edge, then the position of the upper strip is enabled to be unchanged by adopting a glass rotation and translation mode, the bonding and the installation of each section of the spacing strip are completed in sequence, the spacing strip is automatically bent at the bending gap when the glass rotates, and finally the two ends of the spacing strip are connected and closed together through the sealant, so that a closed spacing frame is formed on the glass.
9. The method for manufacturing a spacer bar and a spacer frame of a molecular sieve according to claim 8, wherein the fourth step is omitted when the adhesive is hot-melt pressure-sensitive adhesive or hot-melt butyl adhesive, and the spacer bar and the spacer frame are directly adhered to the glass by the hot-melt pressure-sensitive adhesive or the hot-melt butyl adhesive.
10. The manufacturing equipment for the molecular sieve spacing bars and the spacing frames thereof as claimed in any one of claims 1 to 7 is characterized in that the manufacturing equipment for the molecular sieve spacing bars and the spacing frames thereof comprises an automatic forming machine, an automatic cutting machine, an automatic gluing machine and an automatic strip feeding machine;
the automatic molding machine is used for molding the spacing bar, the automatic cutting machine is used for measuring, manufacturing, bending, notching and cutting off the spacing bar, the automatic gluing machine is used for coating the sealant or the structural adhesive on two sides of the spacing bar, and the automatic winding machine is used for installing the spacing bar on glass.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101072734A (en) * | 2004-11-08 | 2007-11-14 | 格拉沃贝尔公司 | Glazing |
| CN211597115U (en) * | 2019-12-17 | 2020-09-29 | 北京蓝兴华凌国际建筑工程有限公司 | Sunshine room |
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2021
- 2021-03-18 CN CN202110291804.1A patent/CN113006652A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101072734A (en) * | 2004-11-08 | 2007-11-14 | 格拉沃贝尔公司 | Glazing |
| CN211597115U (en) * | 2019-12-17 | 2020-09-29 | 北京蓝兴华凌国际建筑工程有限公司 | Sunshine room |
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Application publication date: 20210622 |