CN112174544A - Method for forming glass waterproof glue and mold applied to forming glass waterproof glue - Google Patents
Method for forming glass waterproof glue and mold applied to forming glass waterproof glue Download PDFInfo
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- CN112174544A CN112174544A CN202010916420.XA CN202010916420A CN112174544A CN 112174544 A CN112174544 A CN 112174544A CN 202010916420 A CN202010916420 A CN 202010916420A CN 112174544 A CN112174544 A CN 112174544A
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- glue
- injection hole
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- waterproof
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- 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
- C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
Abstract
The application relates to a glass waterproof glue forming method and a mold applied to glass waterproof glue forming, wherein the glass waterproof glue forming method comprises the following steps: preparing a mould; starting a vacuum pump, and vacuumizing the mould; injecting glue into the cavity from the first glue injection hole and the at least one secondary glue injection hole in sequence to form waterproof glue into the cavity, wherein when glue is injected into the cavity from the secondary glue injection hole, the corresponding vacuum interface is closed; and adhering the formed waterproof glue to the glass. This application is through preparing the mould earlier, the waterproof glue of shaping in the mould, because the waterproof glue of shaping can take out the air in the die cavity in advance in the mould, waterproof glue surface after the shaping is smooth, there is not pinhole, bubble, defect such as cavity, bond waterproof glue after the shaping on glass again, can solve waterproof glue at the gluey, scrape fashioned in-process, waterproof glue can sneak into a large amount of air, lead to the waterproof gluey outward appearance after the solidification to have the problem of defects such as pinhole, bubble, cavity.
Description
Technical Field
The application relates to the technical field of glass products, in particular to a method for forming glass waterproof glue and a mold applied to the forming of the glass waterproof glue.
Background
The existing glass product is generally prepared by processing a plurality of layers of inorganic glass through a series of processing flows of cutting, digital grinding, hot bending forming, strengthening and the like, laminating with materials such as organic films and the like, hot pressing, edge covering and waterproof adhesive coating. Considering pneumatic appearance, current glass is mostly the curved surface design, and service environment is complicated, and in order to reduce the influence of external environment to glass inner material and relevant function, the waterproof glue has excellent waterproof performance, and the infiltration that reduces steam corrodes at glass limit portion coating waterproof glue to extension glass life.
In the process of implementing the application, the applicant finds that the existing waterproof glue is a multi-component glue, gas can be mixed during filling and component mixing and stirring, gas can also be mixed during coating and forming, the phenomena of pinholes, air holes, cavities and the like exist on the surface after forming and curing are caused, and the waterproof glue can be torn from the defects in the using process, so that the service life of glass is influenced.
Please refer to fig. 4, which is a schematic view illustrating a conventional waterproof glue scraper blade scraping the waterproof glue. As shown in the figure, in order to solve the above technical problems, a process used at the present stage is to use a sheet-shaped object to perform laser cutting or engraving to manufacture a waterproof adhesive scraper blade a, apply the waterproof adhesive a1 to an area to be formed, and use the waterproof adhesive scraper blade a to roll along a reference for forming, but in the process of sizing and scraping, a large amount of air is mixed into the waterproof adhesive a1, and since the waterproof adhesive a1 cannot dissolve the air, the appearance of the cured waterproof adhesive a1 has defects of pinholes, bubbles, cavities and the like, the air holes or cavities are cut off, and the adhesive is applied again for forming.
Disclosure of Invention
The embodiment of the application provides a method for forming glass waterproof glue and a mold applied to forming glass waterproof glue, and solves the problem that in the process of glue applying and scraping forming, a large amount of air is mixed into the existing waterproof glue, so that the appearance of the solidified waterproof glue has defects such as pinholes, bubbles and cavities.
In order to solve the above technical problem, the present application is implemented as follows:
in a first aspect, a method for forming a glass waterproof glue is provided, which comprises the following steps: preparing a mould, wherein the mould is provided with a cavity, a first glue injection hole, at least one secondary glue injection hole and at least one vacuum interface, and each vacuum interface corresponds to each secondary glue injection hole and is connected to a vacuum pump; starting a vacuum pump, and vacuumizing the mould; injecting glue into the cavity from the first glue injection hole and the at least one secondary glue injection hole in sequence to form waterproof glue into the cavity, wherein when glue is injected into the cavity from the secondary glue injection hole, the corresponding vacuum interface is closed; and adhering the formed waterproof glue to the glass.
In a first possible implementation manner of the first aspect, before the step of evacuating the mold, the method further includes the following steps: and forming a demolding layer on the inner wall of the cavity.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the method for forming the release layer on the inner wall of the cavity includes the following steps: and spraying a release agent on the inner wall of the cavity, standing and airing.
In a third possible implementation form of the first aspect, the suction negative pressure of the vacuum pump is set to-0.05 to-0.1 mpa.
In a fourth possible implementation manner of the first aspect, when glue is injected into the cavity from the first glue injection hole, after glue overflow occurs in the secondary glue injection hole adjacent to the first glue injection hole, glue injection is stopped and blocked by the first glue injection hole, glue is injected through the secondary glue injection hole with glue overflow, the corresponding vacuum interface is closed, glue injection is stopped and blocked until glue overflow occurs in another secondary glue injection hole adjacent to the second glue injection hole, and so on until glue injection is completed.
In a fifth possible implementation manner of the first aspect, the method for adhering the molded waterproof glue to the glass comprises the following steps: opening the mold, and taking out the molded waterproof glue; coating a base coat on the glass, standing and airing; and coating an adhesive layer on the bottom coat, and adhering the taken waterproof glue to the adhesive layer so as to adhere the waterproof glue to the glass.
With reference to the fifth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, the bonding layer is a liquid waterproof glue.
In a second aspect, a mold for forming a waterproof glass cement is provided, which includes: a lower die; the upper die is covered on the lower die, a cavity is formed between the upper die and the lower die, the upper die is provided with a first glue injection hole and at least one secondary glue injection hole which are communicated with the cavity, and a vacuum interface communicated with the cavity is further arranged at the position, close to each secondary glue injection hole, of the upper die; the fastener penetrates through the upper die and the lower die and fixedly connects the upper die and the lower die; and the vacuum pump is correspondingly connected with each vacuum interface on the upper die.
In a first possible implementation manner of the second aspect, the lower die is of a flat plate-shaped structure, the surface of the upper die, which is adjacent to the lower die, is provided with a groove, and a cavity is formed between the groove and the lower die.
In a second possible implementation manner of the second aspect, the vacuum pump further includes at least one vacuum pump interface switch, and each vacuum pump interface switch is disposed on a vacuum pipeline connecting each vacuum interface with the vacuum pump.
Compared with the prior art, the application has the advantages that:
the utility model provides a fashioned method of glass waterproof glue, through preparing the mould earlier, the waterproof glue of shaping in the mould, because the waterproof glue of shaping can take out the air in the die cavity in advance clean in the mould, waterproof glue surface after the shaping is smooth, there is not pinhole, the bubble, defects such as cavity, bond the waterproof glue after the shaping on glass again, can solve waterproof glue at gluey, the fashioned in-process of scraping, waterproof glue can sneak into a large amount of air, lead to the waterproof glue outward appearance after the solidification to have the problem of pinhole, the bubble, defects such as cavity. The application method is wide in application range, can be used for flat plate glass, special-shaped glass and arc-shaped glass, is simple in process and convenient to operate, ensures that the surface of the waterproof glue is smooth, compact and free of defects, can be produced in batch, can be manufactured without waiting for glass, can improve the production efficiency, and reduces rework and repair.
This application is applied to fashioned mould of glass waterproof glue, when the shaping waterproof glue, carries out the injecting glue through first injecting glue hole and at least one secondary injecting glue hole in proper order to the die cavity to still through the vacuum pump and correspond vacuum interface to the die cavity evacuation in the injecting glue, can ensure can not sneak into the air when the shaping waterproof glue, thereby make the waterproof glue surface after the shaping smooth, defect such as no pinhole, bubble, cavity.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic view of a mold applied to glass waterproof glue molding according to an embodiment of the present application.
Fig. 2 is a schematic cross-sectional view of a mold for forming a glass waterproof adhesive according to an embodiment of the present application.
Fig. 3 is a schematic flow chart illustrating steps of a method for forming a glass waterproof adhesive according to a second embodiment of the present application.
Fig. 4 is a schematic view of a conventional waterproof adhesive blade used for scraping and molding a waterproof adhesive.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In an embodiment of the present application, please refer to fig. 1, and fig. 1 is a schematic diagram of a mold for forming a glass waterproof adhesive according to an embodiment of the present application. As shown in the figure, be applied to fashioned mould 1 of glass waterproof glue including lower mould 2, last mould 3, fastener 4 and vacuum pump 5, wherein:
please refer to fig. 2, which is a schematic cross-sectional view of a mold for forming a glass waterproof adhesive according to an embodiment of the present application. As shown in the figure, the upper mold 3 covers the lower mold 2, and a cavity 101 is formed between the upper mold 3 and the lower mold 2 to form the waterproof adhesive, in this embodiment, the lower mold 2 is a flat structure, a groove 301 is formed on a surface of the upper mold 3 adjacent to the lower mold 2, and the cavity 101 is formed between the groove 301 and the lower mold 2, because the shape of the waterproof adhesive formed by the cavity 101 is the same as the shape of the groove 301, the shape of the groove 301 should correspond to the cross-sectional shape of the waterproof adhesive to be formed, in this embodiment, the shape of the groove 301 is a right trapezoid, so that the structure can facilitate the demolding of the waterproof adhesive after forming, but not limited thereto.
The upper die 3 is provided with a first glue injection hole 31 and at least one secondary glue injection hole 32 which are communicated with the cavity 101, the first glue injection hole 31 and the at least one secondary glue injection hole 32 are respectively used for injecting glue into the cavity 101 to form glass waterproof glue, in the embodiment, the number of the at least one secondary glue injection hole 32 is three, and the three secondary glue injection holes 32 and the first glue injection hole 31 are respectively located at the top ends of the middles of the four edges of the upper die 3. The upper die 3 is further provided with three vacuum ports 33 near each secondary glue injection hole 32, the vacuum ports 33 are communicated with the cavity 101, and the three vacuum ports 33 are respectively located at the top ends of the middles of the three sides of the upper die 3 and near the three secondary glue injection holes 32.
The vacuum pump 5 is correspondingly connected to each vacuum interface 33 on the upper die 3, the vacuum pump 5 is used for vacuumizing the cavity 101, air in the cavity 101 is prevented, defects such as pinholes, bubbles and cavities are caused on the surface of the cavity when waterproof glue is formed, in the embodiment, the vacuum pump 5 is respectively connected to the three vacuum interfaces 33 through the three vacuum pipelines 7 so as to vacuumize the three vacuum interfaces 33, in the embodiment, a vacuum pump interface switch 6 is further arranged on the vacuum pipeline 7, which is connected with the vacuum pump 5, of each vacuum interface 33, and the passage, the circuit breaking and the vacuum pressure of the corresponding vacuum pipeline 7 are controlled through the vacuum pump interface switch 6.
In the two embodiments of the present application, please refer to fig. 3, which is a schematic flow chart illustrating steps of a method for forming a glass waterproof adhesive according to the two embodiments of the present application. The method S for forming the glass waterproof glue comprises the following steps S1-S4, wherein:
step S1, a mold is prepared. A mold is prepared, wherein the mold has a cavity 101, a first injection hole 31, at least one secondary injection hole 32 and at least one vacuum port 33, each vacuum port 33 corresponding to each secondary injection hole 32 and connected to a vacuum pump 5.
Specifically, the mold prepared in this embodiment has the same structure as the mold 1 applied to the glass waterproof adhesive molding shown in the above embodiment, and therefore, the description thereof is omitted here.
In this embodiment, after the preparation of the mold is completed, a release layer is formed on the inner wall of the cavity 101 to facilitate the release of the waterproof adhesive after the molding. Specifically, a release agent is respectively sprayed in the groove 301 in the upper die 3 and on the upper surface of the lower die 2, and the upper die 3 and the lower die 2 are stood and dried to form a release layer, and then the upper die 3 and the lower die 2 are closed to form the cavity 101.
And step S2, vacuumizing. And starting the vacuum pump 5 to vacuumize the mould.
Specifically, the vacuum pump 5 is started, the vacuum pump interface switch 6 on each vacuum interface 33 is opened, and the vacuum pressure on the corresponding vacuum pipeline 7 is controlled through the vacuum pump interface switch 6, so that the negative pressure of the vacuum pump 5 is-0.05 to-0.1 Mpa, and the air in the cavity 101 is pumped out.
And step S3, injecting glue. Injecting glue into the cavity 101 through the first glue injection hole 31 and the at least one secondary glue injection hole 32 in sequence to form waterproof glue into the cavity 101, wherein when glue is injected into the cavity 101 through the secondary glue injection hole 32, the corresponding vacuum interface 33 is closed.
Specifically, firstly, injecting glue into the cavity 101 through the first glue injection hole 31, stopping injecting glue through the first glue injection hole 31 and plugging the same after glue overflow occurs in the adjacent secondary glue injection hole 32, injecting glue through the glue overflow secondary glue injection hole 32, closing the corresponding vacuum interface 33 until glue overflow occurs in the adjacent secondary glue injection hole 32, stopping injecting glue and plugging the same, repeating the steps until glue overflow occurs in the last secondary glue injection hole 32, closing the corresponding vacuum interface 33 of the last secondary glue injection hole 32, continuing to inject glue for more than 5 seconds, and standing and curing.
And step S4, adhering waterproof glue. And adhering the formed waterproof glue to the glass.
Specifically, the mold is opened to take out the molded waterproof adhesive, and in this embodiment, the step of opening the mold is to unscrew a plurality of bolts from corresponding bolt holes, separate the upper mold 3 from the lower mold 2, and take out the waterproof adhesive from the groove 301 of the upper mold 3. Meanwhile, the glass is coated with the base coat, the base coat is placed still and dried, then an adhesive layer is coated on the base coat, the taken-out waterproof glue is adhered to the adhesive layer so as to be adhered to the glass, and the base coat is placed still and dried, wherein in the embodiment, the adhesive layer is liquid waterproof glue, and the thickness of the adhesive layer coated on the base coat is 0.2-0.8 mm, for example, 0.2mm, 0.4mm, 0.6mm or 0.8 mm.
In the third embodiment of the present application, it is an application of the method for forming glass waterproof glue shown in the above two embodiments in the actual production of formed waterproof glue, and specifically includes the following steps:
1. confirming the glass needing to be scraped with the waterproof glue, wherein the glass can be any one of flat glass, special-shaped glass and arc glass, selecting a corresponding mold according to the shape of the glass, and please refer to fig. 1 again, wherein the number of the secondary glue injection holes 32 and the number of the vacuum interfaces 33 on the mold are three, the three secondary glue injection holes 32 are respectively a first secondary glue injection hole, a second secondary glue injection hole and a third secondary glue injection hole in the counterclockwise direction, and the three vacuum interfaces 33 are respectively a first vacuum interface, a second vacuum interface and a second vacuum interface in the counterclockwise direction;
2. respectively spraying a release agent in the groove 301 in the upper die 3 of the die and on the upper surface of the lower die 2, standing and airing for 10-20 minutes;
3. locking the upper die 3 and the lower die 2 by using a fastener 4;
4. one ends of the three vacuum pipelines 7 are connected to the vacuum pump 5, and the other ends are correspondingly connected to the three vacuum interfaces 33;
5. opening the vacuum pump 5, adjusting a vacuum pump adjusting valve 51 on the vacuum pump, and setting the negative pressure of the air extraction to-0.05 to-0.1 Mpa, for example, -0.05Mpa or-0.1 Mpa;
6. mixing the multi-component waterproof glue to form waterproof glue, and placing for later use;
7. blocking the first glue injection hole 31 by using a waterproof glue gun head, and waiting for more than 10 seconds;
8. injecting waterproof glue into the cavity 301 from the first glue injection hole 31, blocking the first glue injection hole 31 after glue overflow occurs in the first secondary glue injection hole, and closing the first vacuum interface;
9. injecting waterproof glue into the cavity 301 from the first secondary glue injection hole, blocking the first secondary glue injection hole after glue overflow occurs in the second secondary glue injection hole, and closing the second vacuum interface;
10. injecting waterproof glue into the cavity 301 from the second secondary glue injection hole, blocking the second secondary glue injection hole after glue overflow occurs in the third secondary glue injection hole, and closing the third vacuum interface;
11. stopping injecting glue after continuously injecting glue for more than 5 seconds from the third-level glue injection hole, closing the vacuum pump 16, and standing and curing;
12. after the solidification is finished, loosening the fastening piece 4, separating the upper die 3 from the lower die 2, demoulding the formed waterproof glue from the groove 301 of the upper die 3, and checking the appearance of the waterproof glue;
13. the qualified molding waterproof glue is stored for later use or is directly used for subsequent production (bonding to glass), so that the waterproof glue can be manufactured without waiting for the glass, the production efficiency can be improved, and reworking is reduced.
In summary, the application provides a method for forming glass waterproof glue and a mold applied to the forming of the glass waterproof glue. This application is applied to fashioned mould of glass waterproof glue when the shaping waterproof glue, carries out the injecting glue through first injecting glue hole and at least one secondary injecting glue hole in proper order to the die cavity to still through vacuum pump and corresponding vacuum interface to the die cavity evacuation in the injecting glue, can ensure can not sneak into the air when the shaping waterproof glue, thereby make the waterproof glue surface after the shaping smooth, defect such as no pinhole, bubble, cavity.
The method for forming the glass waterproof glue comprises the steps of forming the waterproof glue in a mold, wherein the air in a cavity can be completely exhausted in advance due to the forming of the waterproof glue in the mold, the surface of the formed waterproof glue is smooth, and the defects of needle holes, air bubbles, cavities and the like do not exist. The application method is wide in application range, can be used for flat plate glass, special-shaped glass and arc-shaped glass, is simple in process and convenient to operate, ensures that the surface of the waterproof glue is smooth, compact and free of defects, can be produced in batch, can be manufactured without waiting for glass, can improve the production efficiency, and reduces rework and repair.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The method for forming the glass waterproof glue is characterized by comprising the following steps of:
preparing a mould, wherein the mould is provided with a cavity, a first glue injection hole, at least one secondary glue injection hole and at least one vacuum interface, and each vacuum interface corresponds to each secondary glue injection hole and is connected to a vacuum pump;
starting the vacuum pump to vacuumize the mould;
injecting glue into the cavity from the first glue injection hole and the at least one secondary glue injection hole in sequence to form waterproof glue into the cavity, wherein when glue is injected into the cavity from the secondary glue injection hole, the corresponding vacuum interface is closed;
and adhering the formed waterproof glue to glass.
2. The method for forming glass waterproof glue according to claim 1, characterized in that, before the step of vacuumizing the mould, the method further comprises the following steps: and forming a demolding layer on the inner wall of the cavity.
3. The method for forming a glass waterproof adhesive according to claim 2, wherein the method for forming the release layer on the inner wall of the cavity comprises the following steps: and spraying a release agent on the inner wall of the cavity, standing and airing.
4. The method for forming the glass waterproof glue according to claim 1, wherein the suction negative pressure of the vacuum pump is set to be-0.05 MPa to-0.1 MPa.
5. The method for forming the glass waterproof glue according to claim 1, wherein when glue is injected into the cavity from the first glue injection hole, after glue overflow occurs in the secondary glue injection hole adjacent to the first glue injection hole, the first glue injection hole stops injecting glue, the secondary glue injection hole is blocked, the secondary glue injection hole which overflows injects glue is used for injecting glue, the corresponding vacuum interface is closed, glue injection is stopped and the secondary glue injection hole which is adjacent to the vacuum interface is blocked until glue overflow occurs in the other secondary glue injection hole, and the like is performed until glue injection is completed.
6. The method for forming the waterproof glue for glass according to claim 1, wherein the method for adhering the formed waterproof glue to the glass comprises the following steps:
opening the mold, and taking out the molded waterproof glue;
coating a base coat on the glass, standing and airing;
and coating an adhesive layer on the base coat, and adhering the taken waterproof glue to the adhesive layer so as to be adhered to the glass.
7. The method of claim 6, wherein the adhesive layer is a liquid waterproof adhesive.
8. The utility model provides a be applied to fashioned mould of glass waterproof glue which characterized in that includes:
a lower die;
the upper die is covered on the lower die, a cavity is formed between the upper die and the lower die, the upper die is provided with a first glue injection hole and at least one secondary glue injection hole which are communicated with the cavity, and a vacuum interface communicated with the cavity is further arranged at the position, close to each secondary glue injection hole, of the upper die;
the fastener penetrates through the upper die and the lower die and fixedly connects the upper die and the lower die; and the vacuum pump is correspondingly connected to each vacuum interface on the upper die.
9. The mold for molding glass waterproof glue according to claim 8, wherein the lower mold has a flat plate-like structure, and the surface of the upper mold adjacent to the lower mold has a groove, and the groove and the lower mold form the cavity therebetween.
10. The mold for glass waterproof glue molding according to claim 8, further comprising at least one vacuum pump interface switch, wherein each vacuum pump interface switch is disposed on a vacuum pipeline connecting each vacuum interface and the vacuum pump.
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| CN202010916420.XA CN112174544A (en) | 2020-09-03 | 2020-09-03 | Method for forming glass waterproof glue and mold applied to forming glass waterproof glue |
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| CN202010916420.XA CN112174544A (en) | 2020-09-03 | 2020-09-03 | Method for forming glass waterproof glue and mold applied to forming glass waterproof glue |
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