CN109127285B - Device and method for improving bonding uniformity of optical fiber ring - Google Patents
Device and method for improving bonding uniformity of optical fiber ring Download PDFInfo
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- CN109127285B CN109127285B CN201811056757.7A CN201811056757A CN109127285B CN 109127285 B CN109127285 B CN 109127285B CN 201811056757 A CN201811056757 A CN 201811056757A CN 109127285 B CN109127285 B CN 109127285B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000003292 glue Substances 0.000 claims abstract description 258
- 229920000715 Mucilage Polymers 0.000 claims abstract description 27
- 239000000853 adhesive Substances 0.000 claims abstract description 27
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 239000011248 coating agent Substances 0.000 claims abstract description 11
- 238000000576 coating method Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 26
- 238000007599 discharging Methods 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000009826 distribution Methods 0.000 abstract description 5
- 238000004026 adhesive bonding Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Classifications
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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
- 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
- B05C5/0208—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 for applying liquid or other fluent material to separate articles
-
- 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
- B05C11/1039—Recovery of excess liquid or other fluent material; Controlling means therefor
-
- 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
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention discloses a device and a method for improving the bonding uniformity of an optical fiber ring, and the device comprises a base for placing a circular optical fiber gyroscope structural member, wherein an annular groove is formed in the upper end surface of the optical fiber gyroscope structural member, a glue outlet device which can rotate along the central line of the annular groove and is used for conveying glue into the annular groove is arranged above the base, a glue outlet of the glue outlet device is always positioned right above the annular groove when glue is discharged, a movable baffle is also arranged below the glue outlet device, and the baffle is positioned below a glue outlet of the glue outlet device before the glue flows onto the annular groove and after the glue coats the annular groove for a circle so as to prevent the glue from flowing onto the annular groove. This device has guaranteed through setting up the baffle and going out mucilage binding that glue does not have any repeated coating after the annular groove coating round to make glue distribution not have overlapping or vacancy, guaranteed glue coated homogeneity and repeatability, promoted the homogeneity that the optic fibre ring bonded.
Description
Technical Field
The invention belongs to the technical field of fiber optic gyroscopes, and particularly relates to a device and a method for improving bonding uniformity of an optical fiber ring.
Background
The fiber-optic gyroscope has the characteristics of full solid structure, wide dynamic range, short starting time, strong impact resistance and strong anti-interference capability, is widely applied to the national defense industrial fields of inertial navigation and guidance, attitude control, positioning and orientation and the like, and is widely applied to the civil fields of track detection, oil well inclination measurement and the like along with the increase of the integration of military and civilian. The optical fiber gyroscope comprises two sets of components of a circuit and an optical path, wherein the optical path component consists of five devices, and an optical fiber ring is a core device in the five devices. With the development of the technology, the structure of the optical fiber ring is changed. The initial optical fiber ring is mostly of a semi-surrounding structure with a framework, the framework is mostly made of aluminum alloy materials, the optical path of the ring body is the polarization maintaining optical fiber, and the optical fiber ring and the polarization maintaining optical fiber are bonded through glue. Because the polarization maintaining optical fiber is sensitive to temperature abnormity, the optical fiber ring undergoes very severe change within the working range of minus 40 ℃ to plus 60 ℃, and the change is mainly caused by the difference of the thermal expansion coefficients of the metal framework, the polarization maintaining optical fiber and the glue. In order to minimize the influence of the difference of the thermal expansion coefficients of the three materials on the fiber-optic gyroscope, the structure of the fiber-optic ring is changed from a skeleton into a deshell structure, namely, the polarization-maintaining fiber is wound into the fiber-optic ring and then separated from the skeleton, and then the fiber-optic ring is adhered to the structural member of the fiber-optic gyroscope by glue, so that the contact surface of the skeleton and the fiber-optic ring is reduced from 3 to 1. When the optical fiber gyroscope undergoes temperature change, even if the thermal expansion coefficients of the metal structural part, the optical fiber ring and glue still have large difference, only 1 surface is affected by deformation, and the rest surfaces are free, so that the stress causing deformation can be quickly released through stress transmission, the performance of the optical fiber ring is improved, and the optical fiber ring structure with the framework removed is widely adopted by various units.
However, the structure of the optical fiber ring with the framework removed has the defects that glue for bonding the optical fiber ring and the structural member of the optical fiber gyroscope is manually coated by using a brush, the uniformity of the glue coated by adopting the method cannot be ensured, the phenomena of glue excess and glue deficiency are common, the symmetry of the optical fiber ring and the reliability of vibration resistance and impact resistance of the optical fiber gyroscope are influenced, in addition, the repeatability of each time cannot be ensured by adopting the manual glue brushing method, when a common glue gun is adopted, glue discharge is unstable at the beginning stage of the glue gun, the conditions of glue excess and glue deficiency are easy to occur at the starting point of glue discharge, and the uniformity of the optical fiber gyroscope is influenced finally.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide a device and a method capable of ensuring that glue is distributed without overlapping or vacancy, and finally, the bonding uniformity of the optical fiber ring is improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a promote device of optic fibre ring bonding homogeneity, is the base of the annular optic fibre top structure including being used for placing, optic fibre top structure up end has annular groove, the base top is provided with and rotates and be used for carrying the mucilage binding that glues to the annular groove along annular groove central line and puts, it goes out the mucilage binding and mouthful lies in the annular groove directly over always to go out the mucilage binding when gluing device, it still is provided with the baffle of activity to go out mucilage binding below, the baffle all lies in the play mucilage binding below of play mucilage binding and glue coating annular groove round before glue flows on the annular groove in order to block glue and flow to the annular groove on.
Thus, the glue outlet device rotates along the central line of the annular groove to glue the structural part of the fiber-optic gyroscope, the defect of uneven gluing caused by manual brush coating is avoided, the production efficiency is improved, the glue outlet device can be composed of a glue gun and a driving mechanism for driving the glue gun to rotate, meanwhile, a movable baffle plate is arranged below the glue outlet device, the baffle plate is positioned below a glue outlet of the glue outlet device to block glue from flowing onto the annular groove before the glue flows onto the annular groove and after the glue is coated for a circle, unstable glue flowing out at the beginning stage of the glue outlet device can fall onto the baffle plate, when the unstable glue falls into the annular groove, the glue supply reaches a stable state, the uniformity of gluing is improved, and after the glue outlet device is coated for a circle, the baffle plate is positioned below the glue outlet of the glue outlet device to block the glue from flowing onto the annular groove, the glue is prevented from being repeatedly coated after the annular groove is coated for one circle, so that the glue is not overlapped or vacant in distribution, and after the glue is added, the optical fiber ring is placed into the annular groove to be bonded with the optical fiber gyroscope structural member.
Preferably, the baffle is in a fan shape, the fan-shaped angle of the baffle is c, c is larger than 0 degrees and smaller than 360 degrees, the projection of the center of the baffle on the base coincides with the center of the fiber-optic gyroscope structural member, the diameter of the baffle is larger than or equal to the outer diameter of the fiber-optic gyroscope structural member, the baffle is horizontally arranged and connected with a first driving mechanism for driving the baffle to rotate around the center of the baffle, the rotation direction of the baffle is consistent with the rotation direction of the glue discharging device, the rotation angular speed of the baffle is a, the angular speed of the glue discharging device is b, and then 360 degrees/c = b/a is met among c, a and b.
Therefore, the baffle is fan-shaped, the relation of 360 degrees/c = b/a is satisfied between the fan-shaped angle c and the angular velocity a of the rotation of the baffle and the angular velocity b of the glue outlet device, and the baffle can be ensured to be just below the glue outlet of the glue outlet device after the glue outlet device coats a circle of glue on the annular groove, so that the glue is prevented from continuously falling onto the annular groove, the glue is prevented from being repeatedly coated after the annular groove is coated by a circle of glue, and the glue is distributed without overlapping or vacancy.
Preferably, the fan angle c is 180 DEG, a is 10 DEG/s and b is 20 DEG/s.
Therefore, the sector angle is specifically 180 degrees, a is 10 degrees/s, b is 20 degrees/s, the baffle is semicircular at the moment, the rotating speed of the glue outlet device and the baffle is reasonable, glue is more uniformly coated on the annular groove, the baffle is just arranged under a glue outlet of the glue outlet device after the glue outlet device coats a circle of glue on the annular groove, the glue is prevented from continuously falling onto the annular groove, the glue is ensured not to be repeatedly coated after the annular groove coats a circle, and the glue is distributed without overlapping or vacancy.
Preferably, the baffle is in a fan-shaped ring shape, the central angle of the baffle is d, d is larger than 0 degrees and smaller than 360 degrees, the projection of the center of the baffle on the base coincides with the center of the fiber-optic gyroscope structural member, the outer diameter of the baffle is larger than or equal to the outer diameter of the fiber-optic gyroscope structural member, the inner diameter of the baffle is larger than 0 degrees and smaller than or equal to the inner diameter of the fiber-optic gyroscope structural member, the baffle is horizontally arranged and connected with a second driving mechanism for driving the baffle to rotate around the center of the baffle, the rotation direction of the baffle is consistent with the rotation direction of the glue discharging device, the rotation angular speed of the baffle is e, the angular speed of the glue discharging device is f, and then 360 degrees/d = f/e is satisfied among.
Therefore, the baffle is in a fan-shaped ring shape, the relation of 360 degrees/d = f/e is satisfied between the central angle d, the angular velocity e of the rotation of the baffle and the angular velocity f of the glue outlet device, the baffle can be ensured to be just below a glue outlet of the glue outlet device after the glue outlet device coats a circle of glue on the annular groove, so that the glue is prevented from continuously falling onto the annular groove, the glue is ensured not to be repeatedly coated after the annular groove is coated with a circle of glue, and the glue is enabled to be distributed without overlapping or vacancy.
Preferably, the central angle d is 180 DEG, e is 10 DEG/s, and f is 20 DEG/s.
It is such, the central angle specifically is 180, e is 10/s, f is 20/s, the baffle is the semicircle form this moment, it is reasonable with baffle rotational speed to go out mucilage binding device, more even drip glue on the annular groove, can further guarantee to go out the mucilage binding device and after having coated a round glue on the annular groove, the baffle just appears going out mucilage binding device and goes out under the mouth, thereby block glue and continue to fall on the annular groove, guaranteed that annular groove coating round back glue does not have any repeated coating, thereby make glue distribute and do not overlap or vacancy.
The optical fiber ring pressing device is characterized by further comprising a pressing piece, wherein the pressing piece is used for pressing the optical fiber ring in the annular groove after glue is applied to the annular groove.
Therefore, the pressing piece with a certain weight is arranged, after glue which is uniformly distributed is coated in the annular groove, the optical fiber ring is placed in the annular groove, the pressing piece is pressed on the optical fiber ring, the optical fiber ring is ensured to be in close contact with the annular groove, and the optical fiber ring is better bonded with the optical fiber gyroscope structural part.
The invention also provides a method for improving the bonding uniformity of the optical fiber ring, which comprises the following specific steps: adding glue into the glue outlet device and heating the glue; adjusting a glue outlet of the glue outlet device to be right above the baffle and to form a certain included angle with the radial edge of the baffle; setting the angular speed of the glue outlet device and the angular speed of the baffle plate to ensure that the angular speed/baffle plate angular speed of the glue outlet device = 360/fan angle or central angle of the baffle plate, and setting the glue outlet rate of the glue outlet device according to the process requirements of different optical fiber rings; enabling the glue outlet device and the baffle plate to rotate in the same direction, enabling the glue outlet device to exceed the included angle from the starting point of starting rotation to the completion of rotation, enabling the glue outlet of the glue outlet device to be located right above the radial edge of the baffle plate, and enabling glue to flow onto the baffle plate; then, glue begins to be coated in the annular groove, after the glue is coated for one circle in the annular groove, a glue outlet of the glue discharging device is just positioned right above the other radial edge of the baffle, the glue is blocked by the baffle again, and the glue discharging device and the baffle stop rotating at the same time; and taking down the glue discharging device and the baffle plate, and placing the optical fiber ring into the annular groove for bonding.
And optimally, pressing a pressing piece on the upper surface of the optical fiber ring after the optical fiber ring is placed in the annular groove, standing for a period of time, placing the optical fiber gyro structural member with the pressing piece into a temperature control box for heat preservation, closing the temperature control box after the temperature is preserved for a period of time, cooling in a furnace cooling mode, removing the pressing piece after the temperature is reduced to a set temperature, taking out the optical fiber gyro structural member, and completing the bonding of the optical fiber ring.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention without glue;
FIG. 2 is a schematic structural diagram of a starting point glue adding process in the first embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a glue adding process according to a first embodiment of the present invention;
FIG. 4 is a schematic structural diagram of the end of glue adding in the first embodiment of the present invention;
fig. 5 is a schematic structural diagram of the second embodiment of the present invention when no glue is added.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In the specific implementation: the first embodiment, refer to fig. 1 to 4, a promote device of optic fibre ring bonding homogeneity, including being used for placing the base 1 that is the annular optic fibre top structure 2 of circle, 2 up end of optic fibre top structure have annular groove 3, base 1 top is provided with the central line that can follow annular groove 3 and rotates and is used for carrying glue's play mucilage binding 4 in the annular groove 3, it goes out the jiao kou and is located annular groove 3 directly over always when going out to glue to go out mucilage binding 4, it still is provided with movable baffle 5 to go out mucilage binding 4 below, baffle 5 all is located the play jiao kou below of play mucilage binding 4 with glue coating after the annular groove round before glue flows on the annular groove in order to block glue and flow on annular groove 3.
Thus, the glue discharging device 4 rotates along the central line of the annular groove 3 to glue the optical fiber gyroscope structural part 2, the defect of uneven gluing caused by manual brush coating is avoided, the production efficiency is improved, the glue discharging device 4 can be composed of a glue gun and a driving mechanism for driving the glue gun to rotate, a movable baffle plate 5 is arranged below the glue discharging device 4, the baffle plate 5 is positioned below a glue outlet of the glue discharging device 4 to prevent glue from flowing onto the annular groove 3 before the glue flows onto the annular groove and after the glue is coated for one circle on the annular groove, unstable glue flowing out at the beginning stage of the glue discharging device 4 can fall onto the baffle plate 5, when the glue falls into the annular groove 3, the glue supply reaches a stable state, so that the gluing uniformity is improved, and after the glue discharging device 4 is coated for one circle, the baffle plate 5 is positioned below the glue outlet of the glue discharging device 4 to prevent the glue from continuously falling onto the annular groove 3, the glue is not repeatedly coated after the annular groove 3 is coated for one circle, so that the glue is not overlapped or vacant in distribution, and after the glue is coated, the optical fiber ring is placed into the annular groove to be bonded with the optical fiber gyroscope structural member.
During implementation, the baffle 5 is in a fan shape, a fan-shaped angle of the baffle 5 is set to be c, c is larger than 0 degrees and smaller than 360 degrees, a projection of a circle center of the baffle 5 on the base 1 coincides with a circle center of the optical fiber gyro structural member 2, the diameter of the baffle 5 is larger than or equal to an outer diameter of the optical fiber gyro structural member 2, the baffle 5 is horizontally arranged and connected with a first driving mechanism for driving the baffle 5 to rotate around the circle center of the baffle 5, a rotation direction of the baffle 5 is consistent with a rotation direction of the glue discharging device 4, an angular speed of the baffle 5 rotating is set to be a, an angular speed of the glue discharging device 4 is set to be b, and then 360 degrees/c = b/a is.
Therefore, the baffle 5 is fan-shaped, the relation of 360 degrees/c = b/a is satisfied between the fan-shaped angle c and the angular velocity a of the rotation of the baffle 5 and the angular velocity b of the glue outlet device 4, and it can be ensured that after the glue outlet device 4 coats a circle of glue on the annular groove 3, the baffle 5 just appears right below the glue outlet of the glue outlet device 4, so that the glue is prevented from continuously falling onto the annular groove 3, and the glue is prevented from being repeatedly coated after the annular groove 3 is coated by a circle, so that the glue is distributed without overlapping or vacancy.
In practice, the fan angle c is 180 DEG, a is 10 DEG/s and b is 20 DEG/s.
Therefore, the sector angle is specifically 180 degrees, a is 10 degrees/s, b is 20 degrees/s, in this embodiment, the diameter of the baffle 5 is greater than the outer diameter of the fiber-optic gyroscope structural member 2, at this time, the baffle 5 is semicircular, the rotating speeds of the glue outlet device 4 and the baffle 5 are reasonable, glue is more uniformly coated on the annular groove 3, it can be further ensured that after the glue outlet device 4 coats a circle of glue on the annular groove 3, the baffle 5 just appears right below the glue outlet of the glue outlet device 4, so that the glue is prevented from continuously falling on the annular groove, no repeated coating of the glue after the annular groove 3 is coated with a circle of glue is ensured, and the glue distribution is free of overlapping or vacancy.
When the optical fiber ring pressing device is implemented, the pressing piece is used for pressing the optical fiber ring in the annular groove 3 after glue is applied to the annular groove 3.
Therefore, the pressing piece with a certain weight is arranged, after glue which is uniformly distributed is coated in the annular groove 3, the optical fiber ring is placed in the annular groove 3, the pressing piece is pressed on the optical fiber ring, the optical fiber ring is ensured to be in close contact with the annular groove, and the optical fiber ring is better bonded with the optical fiber gyroscope structural member.
During operation, the baffle is adjusted to the initial point, the glue outlet of the glue outlet device is adjusted to be right above the baffle and has a certain included angle with the radial edge of the baffle, the baffle in the embodiment is fan-shaped, the fan-shaped angle is 180 degrees, a is 10 degrees/s, b is 20 degrees/s, the rotation time and the glue outlet time are set to be 21s, the glue outlet speed is set according to the process requirements of different optical fiber rings, the baffle is actually semicircular, the included angle can be set to be 30 degrees, then the first driving mechanism and the glue outlet device are simultaneously started to enable the baffle and the glue outlet device to rotate anticlockwise, glue flowing out at the initial stage of the glue outlet device flows onto the baffle, as the diameter of the baffle 5 is more than or equal to the outer diameter of the optical fiber gyroscope structural component 2, the glue can not flow into the annular groove without passing through the baffle, after 3s, the glue outlet of the glue outlet device is flush with one radial edge of the baffle, and, in the time afterwards, it does not have the baffle to go out mucilage binding below the mucilage binding, the glue that flows out directly falls in annular groove, when up to the 21 st, it flushes with another radial limit of baffle to go out the mucilage binding, it has rotated 420 to go out the mucilage binding, the baffle has rotated 210, and it has stayed the baffle to go out the mucilage binding that the mucilage binding rotated 60 in-process in the initial stage on the baffle, the glue that flows out in-process at back 360 is in the annular groove of structure, afterwards, the glue that flows out of the mucilage binding flows on the baffle once more, glue on the annular groove of structure has distributed 360 just, there is not overlapping and vacancy, because it is even to supply to glue, so the whole circle glue on the annular groove of structure is all even.
In the second embodiment, referring to fig. 5, the second embodiment is different from the first embodiment in that the baffle 5 is in a fan-shaped ring shape, a central angle of the baffle is d, d is greater than 0 ° and smaller than 360 °, a projection of a center of the baffle 5 on the base 1 coincides with a center of the fiber-optic gyroscope structural member 2, an outer diameter of the baffle 5 is greater than or equal to an outer diameter of the fiber-optic gyroscope structural member, an inner diameter of the baffle 5 is greater than 0 and smaller than or equal to an inner diameter of the fiber-optic gyroscope structural member 2, the baffle 5 is horizontally arranged and connected with a second driving mechanism for driving the baffle 5 to rotate around the center of the baffle, a rotation direction of the baffle 5 is consistent with a rotation direction of the glue discharging device 4, an angular velocity of the baffle 5 rotating is e, and an angular velocity of the glue discharging device 4 is f, and 360 °/d =.
Therefore, the baffle 5 is in a fan-shaped ring shape, the relation of 360 degrees/d = f/e is satisfied between the central angle d, the angular velocity e of the baffle 5 in the self-transmission and the angular velocity f of the glue outlet device 4, the baffle 5 can be ensured to be just below the glue outlet of the glue outlet device 4 after the glue outlet device 4 coats a circle of glue on the annular groove 3, the glue is prevented from continuously falling onto the annular groove, the glue is ensured not to be repeatedly coated after the annular groove is coated for a circle, and the glue is enabled to be distributed without overlapping or vacancy.
In practice, the central angle d is 180 DEG, e is 10 DEG/s, and f is 20 DEG/s.
Therefore, the central angle is specifically 180 degrees, e is 10 degrees/s, f is 20 degrees/s, in this embodiment, the inner diameter of the baffle 5 is equal to the inner diameter of the fiber-optic gyroscope structure 2, the outer diameter of the baffle 5 is greater than the outer diameter of the fiber-optic gyroscope structure, the baffle 5 is in a semicircular shape at the moment, the rotating speeds of the glue outlet device 4 and the baffle 5 are reasonable, glue is more uniformly coated on the annular groove, it can be further ensured that after the glue outlet device coats a circle of glue on the annular groove, the baffle 5 just appears under the glue outlet of the glue outlet device 4, so that the glue is prevented from continuously falling on the annular groove, no repeated coating of the glue after the annular groove is coated by a circle is ensured, and glue distribution is free of overlapping or vacancy.
The invention also provides a method for improving the bonding uniformity of the optical fiber ring, which comprises the following steps:
go out the mucilage binding and put and glue heating, choose for use A: the weight ratio of B is 10: 1, setting the heating temperature of the AB epoxy resin glue between 45 ℃ and 55 ℃, and heating for 8 min-12 min; adjusting a glue outlet of the glue outlet device to be right above the baffle and to form a certain included angle with the radial edge of the baffle, wherein the included angle is set to be 30 degrees in the embodiment; setting the angular speed of the glue outlet device and the angular speed of the baffle plate to enable the angular speed of the glue outlet device/the angular speed of the baffle plate to be = 360/the fan angle or the central angle of the baffle plate, and setting the glue outlet speed of the glue outlet device according to the process requirements of different optical fiber rings, wherein in the embodiment, the angular speed of the baffle plate is set to be 10 degrees/s, the angular speed of the glue outlet device is set to be 20 degrees/s, and the fan angle or the central angle of the baffle plate is set to be 180 degrees; enabling the glue outlet device and the baffle to rotate in the same direction, enabling the glue outlet device 4 to exceed the included angle from the starting point of starting rotation to the completion of the rotation, enabling the glue outlet of the glue outlet device to be located right above the radial edge of the baffle 5, and enabling the glue to flow onto the baffle 5; then, glue begins to be coated in the annular groove, after the glue is coated for one circle in the annular groove, a glue outlet of the glue outlet device is just positioned right above the other radial edge of the baffle 5, at the moment, the glue is blocked by the baffle again, and the rotation of the glue outlet device 4 and the baffle 5 is stopped at the same time, in the embodiment, the baffle and the glue outlet device are arranged to rotate anticlockwise, and the rotation time of the baffle and the glue outlet device is set to be 21 s; and placing the optical fiber ring into the annular groove for bonding.
After the optical fiber ring is placed into the annular groove, pressing a pressing piece on the upper surface of the optical fiber ring to enable the optical fiber ring to be in close contact with the annular groove, so that the optical fiber ring and the annular groove are favorably and firmly bonded, standing for a period of time, placing the optical fiber gyro structural component with the pressing piece into a temperature control box for heat preservation, wherein the standing time is 8-12 min, the temperature in the temperature control box is set to be 55-65 ℃, closing the temperature control box after the temperature is preserved for a period of time, keeping the temperature for 80-100 min, cooling in a furnace cooling mode, removing the pressing piece after the temperature is reduced to below 25 ℃, taking out the optical fiber gyro structural component, and completing the bonding of the optical.
Claims (7)
1. The utility model provides a method for promoting optic fibre ring bonding homogeneity, its characterized in that promotes optic fibre ring bonding homogeneity through a device that promotes optic fibre ring bonding homogeneity, the device including be used for placing the base that is the annular optic fibre top structure of circle, optic fibre top structure up end has annular groove, the top of base is provided with can follow annular groove central line and rotate and be used for to the annular groove in carry the mucilage binding device of glue, it goes out the mucilage binding device and is located annular groove directly over its glue outlet when going out to glue, it still is provided with the baffle of activity to go out mucilage binding device below, the baffle all is located the play mucilage binding mouth below of a mucilage binding device in order to block the glue stream to the annular groove before glue stream to the annular groove with glue coating annular groove round after, includes following step during the bonding: adding glue by a glue outlet device and heating the glue; adjusting a glue outlet of the glue outlet device to be right above the baffle and to form a certain included angle with the radial edge of the baffle; setting the angular speed of the glue outlet device and the angular speed of the baffle plate to ensure that the angular speed/baffle plate angular speed of the glue outlet device = 360/fan angle or central angle of the baffle plate, and setting the glue outlet rate of the glue outlet device according to the process requirements of different optical fiber rings; enabling the glue outlet device and the baffle plate to rotate in the same direction, enabling the glue outlet device to exceed the included angle from the starting point of starting rotation to the completion of rotation, enabling the glue outlet of the glue outlet device to be located right above the radial edge of the baffle plate, and enabling glue to flow onto the baffle plate; then the glue begins to flow into the annular groove, after the glue coats the annular groove for a circle, a glue outlet of the glue discharging device is just positioned right above the other radial edge of the baffle, the glue is blocked by the baffle again, and the glue discharging device and the baffle stop rotating at the same time; and taking down the glue discharging device and the baffle plate, and placing the optical fiber ring into the annular groove for bonding.
2. The method as claimed in claim 1, wherein after the optical fiber ring is placed in the annular groove, a pressing member is pressed on the upper surface of the optical fiber ring, the optical fiber ring is placed in the temperature control box for keeping the temperature for a while, the optical fiber gyro structural member with the pressing member is placed in the temperature control box for keeping the temperature, the temperature control box is closed after keeping the temperature for a while, the optical fiber ring is cooled by furnace cooling, and after the optical fiber ring is cooled to a set temperature, the pressing member is removed, the optical fiber gyro structural member is taken out, and the optical fiber ring is bonded.
3. The method for improving the bonding uniformity of the optical fiber ring according to claim 1, wherein the baffle is in a fan shape, the fan-shaped angle of the baffle is set as c, the c is greater than 0 ° and smaller than 360 °, the projection of the center of the baffle on the base coincides with the center of the fiber-optic gyroscope structural member, the diameter of the baffle is greater than or equal to the outer diameter of the fiber-optic gyroscope structural member, the baffle is horizontally arranged and connected with a first driving mechanism for driving the baffle to rotate around the center of the baffle, the rotation direction of the baffle is consistent with the rotation direction of the glue discharging device, the rotation angular speed of the baffle is set as a, the rotation angular speed of the glue discharging device is set as b, and then 360 °/c = b/a is satisfied between c, a and b.
4. A method of improving the uniformity of fiber optic ring attachment according to claim 3, wherein: the fan angle c is 180 DEG, a is 10 DEG/s and b is 20 DEG/s.
5. A method of improving the uniformity of fiber optic ring attachment according to claim 1, wherein: the baffle is in a fan-shaped ring shape, the central angle of the baffle is d, d is larger than 0 degree and smaller than 360 degrees, the projection of the center of the baffle on the base coincides with the center of a circle of the optical fiber gyro structural member, the outer diameter of the baffle is larger than or equal to the outer diameter of the optical fiber gyro structural member, the inner diameter of the baffle is larger than 0 degree and smaller than or equal to the inner diameter of the optical fiber gyro structural member, the baffle is horizontally arranged and connected with a second driving mechanism for driving the baffle to rotate around the center of the baffle, the rotation direction of the baffle is consistent with the rotation direction of the glue discharging device, the rotation angular speed of the baffle is e, the rotation angular speed of the baffle is f, and then 360 degrees/d = f/e is met among.
6. The method of claim 5, wherein said step of increasing the uniformity of the bonding of the optical fiber ring comprises the steps of: the central angle d is 180 degrees, e is 10 degrees/s, and f is 20 degrees/s.
7. A method of improving the uniformity of fiber optic ring attachment according to claim 1, wherein: the optical fiber ring pressing device further comprises a pressing piece, and the pressing piece is used for pressing the optical fiber ring in the annular groove after glue is applied to the annular groove.
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| CN110538775B (en) * | 2019-08-27 | 2021-02-05 | 北京自动化控制设备研究所 | Standing curing method and device for ring vibration-damping glue of sensitive assembly of angular accelerometer |
| CN113124848B (en) * | 2021-03-23 | 2022-09-16 | 西安航天精密机电研究所 | Bonding device and bonding method for improving temperature performance of optical fiber ring |
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