CN113522685B - Dispensing method of sealing tube and glue filling system - Google Patents
Dispensing method of sealing tube and glue filling system Download PDFInfo
- Publication number
- CN113522685B CN113522685B CN202110688613.9A CN202110688613A CN113522685B CN 113522685 B CN113522685 B CN 113522685B CN 202110688613 A CN202110688613 A CN 202110688613A CN 113522685 B CN113522685 B CN 113522685B
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- Prior art keywords
- sealing tube
- glue
- tube
- sealing
- heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1042—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
- B05D3/0236—Pretreatment, e.g. heating the substrate with ovens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0466—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being a non-reacting gas
Landscapes
- Joining Of Glass To Other Materials (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention relates to the technical field of optical fiber manufacturing, in particular to a glue dispensing method and a glue filling system of a sealing tube.
Description
Technical Field
The invention relates to the field of optical fiber manufacturing, in particular to a glue dispensing method and a glue filling system for a sealing tube.
Background
With the rapid development of science and technology and economy, optical fibers are spread all over the world, and many optical fibers are laid in places with severe environments.
However, the existing glue dispensing method can cause insufficient glue filling in the sealing tube, so that the air tightness of the product is poor, the reliability of the product in a short period can only be ensured, and the product is easy to degum after long-term use, so that the air tightness of the product is influenced, and the loss of the reliability is caused.
Disclosure of Invention
The technical problem to be solved by the embodiments of the present invention is to provide a glue dispensing method and a glue filling system for a sealed tube, so as to solve the problems that the glue filling in the sealed tube is insufficient due to a glue dispensing method in the prior art, the airtightness of a product is poor, the reliability of the product can only be ensured in a short period, and the product is easy to come off after long-term use, so that the airtightness of the product is affected, and the reliability is lost.
In a first aspect, an embodiment of the present invention provides a dispensing method for a sealing tube, including: heating the sealed tube; injecting glue along the point to be glued of the sealing tube; adjusting control parameters of vacuumizing equipment, and controlling the vacuumizing equipment to vacuumize the sealing tube according to the control parameters, wherein the control parameters comprise vacuum degree and vacuumizing time; filling nitrogen into the sealing tube; circulating the steps according to preset times; and curing the glue.
Further, the preset times are more than or equal to three times.
Further, the vacuum is less than 5mbar.
Further, the vacuumizing time is more than 10 minutes.
Further, the curing treatment of the glue specifically includes: and drying the sealing tube.
Further, the drying the sealing tube specifically includes: and putting the sealing tube into a baking box for baking.
Further, the heating the sealing tube specifically includes: and heating the sealing pipe by adopting a heating plate.
Further, before heating the sealing tube with the heating plate, include: and fixing the sealing pipe on the heating plate.
Further, the fixing of the sealing tube on the heating plate specifically includes: clamping the sealing tube on the heating plate.
In a second aspect, an embodiment of the present invention further provides a glue filling system, which performs glue dispensing on a sealed tube by using the glue dispensing method for a sealed tube according to the first aspect, where the glue filling system includes a heating device for heating the sealed tube; the glue dispensing equipment is used for dispensing glue along the end to be glue-dispensed end of the sealing tube; the vacuum equipment is used for vacuumizing the sealing tube; the inflation equipment is used for inflating nitrogen into the sealing pipe; and the curing equipment is used for carrying out curing treatment on the glue.
The embodiment of the invention has the beneficial effects that: improve the mobility of glue through the heating sealed tube, glue is gone into along the point of waiting to glue of sealed tube afterwards, control evacuation equipment carries out the evacuation to the sealed tube afterwards, fill into nitrogen gas in the sealed tube afterwards, will last step circulation preset number of times, carry out solidification treatment to glue at last, therefore, the degree of filling of glue in the sealed tube has been improved, thereby the gas tightness of product has been improved, the inside air pollution not that does not receive of protection sealed tube, the ability of the product to handle various extremely adverse circumstances has been improved greatly, even long-term use also can not influence the reliability of product.
Drawings
The following detailed description of embodiments of the invention will be made with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of a sealing tube and an optical fiber;
FIG. 2 is a flow chart of a dispensing method for a sealing tube according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a dispensing method for a sealing tube according to an embodiment of the present invention;
FIG. 4 is a flowchart illustrating a dispensing method for a sealing tube according to an embodiment of the present invention;
FIG. 5 is a flowchart illustrating a dispensing method for a sealing tube according to an embodiment of the present invention;
FIG. 6 is a flowchart illustrating a dispensing method for a sealing tube according to an embodiment of the present invention;
FIG. 7 is a flowchart illustrating a dispensing method for a sealing tube according to an embodiment of the present invention;
the various reference numbers in the figures are:
1. a sealing tube; 2. an optical fiber.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The embodiment of the invention provides a dispensing method of a sealing tube 1, and as shown in fig. 1-2, the dispensing method of the sealing tube 1 comprises the following steps:
step S110: heating the sealing tube 1;
specifically, heating sealed tube 1 can improve sealed tube 1's temperature, when glue and sealed tube 1 contact, glue just can heat up, thereby improve mobility, make glue fill better in the space between sealed tube 1 and optic fibre 2, thereby improve the degree of filling of glue in the sealed tube 1, thereby the gas tightness of product has been improved, protect sealed tube 1 inside not receive air pollution, the ability that the product should deal with various extremely adverse circumstances has been improved greatly, even long-term the use can not influence the reliability of product yet.
In a specific embodiment, as shown in fig. 1 and 3, step S110 specifically includes: the sealing tube 1 is heated by a heating plate.
In particular, the heating plate has low use cost and good heating effect, and is a preferred embodiment of the invention.
Of course, it will be appreciated that the sealed tube may be heated in other ways, such as by a blower, a heat blanket, etc., as may be adapted by those skilled in the art.
In a specific embodiment, as shown in fig. 1 and 4, step S110 includes step S1101: the sealing tube 1 is fixed on the heating plate.
Specifically, with sealing tube 1 be fixed in on the heating plate, can avoid sealing tube 1 displacement to avoid sealing tube 1 to be heated unevenly, break away from the emergence of the circumstances such as the heating scope of heating plate even.
In a specific embodiment, as shown in fig. 1 and 5, step S1101 specifically includes: the sealing tube 1 is clamped on the heating plate.
Specifically, this embodiment adopts the clip to clip gland strip 1, and through the position of adjusting the clip, lets gland strip 1 hover above the heating plate or contact with the heating plate, makes the heat energy transmission of heating plate to on gland strip 1.
Of course, it is understood that the sealing tube 1 may be fixed by using a fixing frame or other fixing methods, and the present invention is not limited thereto, and those skilled in the art can adapt the fixing method.
Step S120: injecting glue along the point to be glued of the sealing tube 1;
specifically, glue can flow into the gap between the sealing tube 1 and the optical fiber 2 little by dispensing, so that the filling effect is good, and the waste of the glue can be reduced.
Step S130: adjusting control parameters of the vacuumizing equipment, and controlling the vacuumizing equipment to vacuumize the sealing tube 1 according to the control parameters, wherein the control parameters comprise vacuum degree and vacuumizing time;
specifically, use evacuation equipment to carry out the evacuation to sealed tube 1, can take out the gas in the glue, further improve the degree of filling of glue in the sealed tube 1 to improve the gas tightness of product, protected sealed tube 1 inside not receive air pollution, improved the ability that the product dealt with various extreme adverse circumstances greatly, even long-term use also can not influence the reliability of product.
In a particular embodiment, the vacuum is less than 5mbar.
In particular, a vacuum of less than 5mbar is a preferred embodiment of the invention, not only does it not damage the product, but it also allows the gas in the glue to be evacuated.
In a specific embodiment, the evacuation time is greater than 10 minutes.
In particular, a vacuum time greater than 10 minutes is a preferred embodiment of the invention, which allows the gases in the glue to be completely evacuated.
Step S140: the sealed tube 1 was filled with nitrogen gas.
Specifically, nitrogen gas is filled into the sealed tube 1 to generate pressure on the glue, the glue flow is accelerated, the quality of the product is improved, the filling degree of the glue in the sealed tube 1 is further improved, the air tightness of the product is improved, the inside of the sealed tube 1 is protected from air pollution, the capability of the product for dealing with various extreme severe environments is greatly improved, and the reliability of the product cannot be influenced even if the sealed tube is used for a long time.
Nitrogen is relatively stable, is substantially an inert gas at ambient and moderate temperatures, is difficult to chemically react, and is high in air, so that the use of nitrogen can save production cost.
It should be noted that the nitrogen gas is slowly filled to avoid the overflow of the glue caused by the too fast filling of the nitrogen gas.
Alternatively, nitrogen may be replaced with an inert gas.
The above steps S110, S120, S130 and S140 are repeated for a predetermined number of times.
Specifically, the original gas in the glue is exhausted by vacuum-pumping, so that the volume of the glue is reduced, a new gap appears after the sealing tube originally filled with the glue is vacuumized, and in order to fill the new gap, increase the filling degree of the glue and improve the reliability of the product, the steps S110, S120, S130 and S140 are cycled according to preset times in the embodiment.
The preset number is a preset cycle number, and is a value determined by a manufacturer after balancing product quality and production cost, the product quality is higher when the preset number is more, but the production cost is higher, and the preset number is more than or equal to three times in order to balance the product quality and the production cost.
Step S150: and curing the glue.
Specifically, after glue is cured, the product can be carried at will, and the glue cannot be afraid of overflowing.
In a specific embodiment, as shown in fig. 1 and 6, step S150 specifically includes: and drying the sealing tube 1.
Specifically, compared with the natural air drying implementation mode, the drying sealing tube 1 can accelerate the solidification of glue, so that the production period of the product is shortened, the production efficiency of the product is accelerated, the production cost of the product is reduced, and the like.
In a specific embodiment, as shown in fig. 1 and 7, step S150 specifically includes: and putting the sealing tube 1 into a baking oven for baking.
Particularly, the baking oven is a special appliance for baking, the baking speed is high, the production period can be shortened, the production period of products can be shortened, the production efficiency of the products can be accelerated, the production cost of the products can be reduced, and the like.
Of course, it will be appreciated that the gland 1 may be dried by a blower or other means, and adapted by those skilled in the art.
The embodiment of the invention shows a method for filling glue into a sealing tube 1, as shown in figure 1-2, the fluidity of the glue is improved by heating the sealing tube 1, then the glue is filled along the end point to be glued of the sealing tube 1, then a vacuumizing device is controlled to vacuumize the sealing tube 1, then nitrogen is filled into the sealing tube 1, the steps are circulated for preset times, and finally the glue is cured, so that the filling degree of the glue in the sealing tube 1 is improved, the air tightness of a product is improved, the interior of the sealing tube 1 is protected from air pollution, the capability of the product in various extremely severe environments is greatly improved, and the reliability of the product cannot be influenced even if the product is used for a long time.
The embodiment of the invention also provides a glue filling system, as shown in fig. 1-5, the glue filling system adopts the above method for filling glue into the sealing tube 1 to fill glue into the sealing tube 1. The glue filling system includes a heating device (not shown), a dispensing device (not shown), a vacuum device (not shown), an air charging device (not shown), and a curing device (not shown). The heating equipment is used for heating the sealing tube 1, the dispensing equipment is used for dispensing glue into glue along the to-be-dispensed end point of the sealing tube 1, the vacuum equipment is used for vacuumizing the sealing tube 1, the inflating equipment is used for inflating nitrogen into the sealing tube 1, and the curing equipment is used for curing the glue.
In a particular embodiment, the heating device is a heating plate.
In particular, the heating plate has low use cost and good heating effect, and is a preferred embodiment of the invention.
Alternatively, the heating device is a blower, a heating blanket, or the like, which may be adapted by one skilled in the art.
In a particular embodiment, the inflation apparatus comprises a nitrogen cylinder.
In particular, nitrogen is relatively stable, is substantially inert gas at ambient and moderate temperatures, is difficult to chemically react, and is high in air, so that the use of nitrogen can save production costs.
Of course, it will be appreciated that instead of a nitrogen gas cylinder, an inert gas cylinder may be used.
In a particular embodiment, the curing device is an oven.
Particularly, the baking oven is a special appliance for baking, the baking speed is high, the production period can be shortened, the production period of products can be shortened, the production efficiency of the products can be accelerated, the production cost of the products can be reduced, and the like.
Of course, it will be appreciated that the gland 1 may be dried by a blower or other means, and adapted by those skilled in the art.
The sealing tube 1 is a tube with one end closed by a sealing material and the other end open, wherein the other end is the dispensing end described in the above embodiments. Sealing material seals the one end of sealed tube 1, can avoid glue from sealed tube 1's one end injection in the time, and sealed tube 1 inside glue flows out along sealed tube 1's the other end, has avoided the point to glue uselessly, can also reduce the waste of glue.
Specifically, the sealing material is glass solder. The glass solder is also called solder glass, the material of the glass solder is molybdenum group, platinum group and other electric vacuum glass with special composition, the glass solder has the advantage that the thermal expansion coefficient is very close to that of the sealing tube, so that the sealing failure between the two can not be caused by the rise or the reduction of the temperature.
It should be understood that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and those skilled in the art can modify the technical solutions described in the above embodiments, or make equivalent substitutions for some technical features; and all such modifications and alterations should fall within the scope of the appended claims.
Claims (10)
1. A dispensing method of a sealed tube is characterized by comprising the following steps:
heating a sealing tube with optical fibers;
injecting glue along the end of the sealing tube to be glued;
adjusting control parameters of vacuumizing equipment, and controlling the vacuumizing equipment to vacuumize the sealing tube according to the control parameters, wherein the control parameters comprise vacuum degree and vacuumizing time;
filling nitrogen into the sealing tube;
circulating the steps according to preset times;
and curing the glue.
2. The dispensing method of the sealing tube as claimed in claim 1, wherein: the preset times are more than or equal to three times.
3. The dispensing method of the sealing tube as claimed in claim 1, wherein: the vacuum is less than 5mbar.
4. The dispensing method of the sealing tube as claimed in claim 3, wherein: the vacuumizing time is more than 10 minutes.
5. The method according to any one of claims 1 to 4, wherein the curing the glue specifically comprises:
and drying the sealing tube.
6. The dispensing method of the sealed tube according to claim 5, wherein the drying the sealed tube specifically comprises:
and putting the sealing tube into a baking box for baking.
7. The dispensing method of the sealing tube according to claim 5, wherein the heating the sealing tube specifically comprises:
and heating the sealing pipe by adopting a heating plate.
8. The method of claim 7, wherein before the heating plate is used to heat the sealing tube, the method comprises:
and fixing the sealing pipe on the heating plate.
9. The method according to claim 8, wherein the step of fixing the sealing tube on the heating plate comprises:
clamping the sealing tube on the heating plate.
10. A glue filling system for dispensing a sealed tube by the method of any one of claims 1 to 9, comprising:
a heating device for heating the sealing tube;
the glue dispensing equipment is used for dispensing glue along the end to be dispensed of the sealing tube;
the vacuum equipment is used for vacuumizing the sealing tube;
the inflation equipment is used for inflating nitrogen into the sealing pipe;
and the curing equipment is used for curing the glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110688613.9A CN113522685B (en) | 2021-06-21 | 2021-06-21 | Dispensing method of sealing tube and glue filling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110688613.9A CN113522685B (en) | 2021-06-21 | 2021-06-21 | Dispensing method of sealing tube and glue filling system |
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| Publication Number | Publication Date |
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| CN113522685A CN113522685A (en) | 2021-10-22 |
| CN113522685B true CN113522685B (en) | 2022-11-25 |
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| CN202110688613.9A Active CN113522685B (en) | 2021-06-21 | 2021-06-21 | Dispensing method of sealing tube and glue filling system |
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| CN112393751A (en) * | 2020-12-10 | 2021-02-23 | 深圳大学 | Airtight packaging structure, packaging device and packaging method of optical fiber sensor |
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| CN112844974A (en) * | 2020-12-31 | 2021-05-28 | 滁州博格韦尔电气有限公司 | Glue filling device of filter for rail transit |
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| US5143274A (en) * | 1989-07-24 | 1992-09-01 | Societe Foptica S.A. & Commissariat a l'Energie Atomique | Process and apparatus for the manufacture of optical modules |
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| JP2008264637A (en) * | 2007-04-17 | 2008-11-06 | Chugoku Electric Power Co Inc:The | Apparatus for coating inside of pipe |
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| CN113522685A (en) | 2021-10-22 |
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Address after: 518000 No. 35, Cuijing Road, Pingshan New District, Shenzhen, Guangdong Patentee after: Ona Technology (Shenzhen) Group Co.,Ltd. Address before: 518000 No. 35, Cuijing Road, Pingshan New District, Shenzhen, Guangdong Patentee before: O-NET COMMUNICATIONS (SHENZHEN) Ltd. |
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