CN108957685A - A kind of mirror support fixing means - Google Patents
A kind of mirror support fixing means Download PDFInfo
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- CN108957685A CN108957685A CN201811007765.2A CN201811007765A CN108957685A CN 108957685 A CN108957685 A CN 108957685A CN 201811007765 A CN201811007765 A CN 201811007765A CN 108957685 A CN108957685 A CN 108957685A
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- groove
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- holding frame
- flexible
- gap
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
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- Optics & Photonics (AREA)
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Abstract
The present invention provides a kind of mirror support fixing means, belong to space optical remote sensor technical field.The described method includes: first reflecting mirror is fixed on holding frame component, and damping glue is filled in flexible support and is solidified, flexible support includes first connecting portion and second connecting portion, first connecting portion with holding frame component for connecting, second connecting portion with lens bodies frame for connecting, first connecting portion is connected with second connecting portion by the first flexible hinge and the second flexible hinge of orthogonal setting, the gyratory directions of first flexible hinge and the second flexible hinge are each perpendicular to the optical axis direction of reflecting mirror, multiple injecting glue slots are equipped on first flexible hinge and the second flexible hinge, injecting glue slot is for filling in damping glue, so that flexible hinge revolution is tangential upper with damping；Holding frame component and lens bodies frame are fixedly connected with by the flexible support of injecting glue.The present invention realizes the flexible support to reflecting mirror, and avoids destroying due to structure caused by vibrating.
Description
Technical field
The present invention relates to a kind of mirror support fixing means, belong to space optical remote sensor technical field.
Background technique
Space remote sensor reflecting mirror support structure generally includes metal holding frame and at least three pressures is arranged in the holding frame
Block, the metal holding frame are used to support the reflecting mirror, and the briquetting is for fixing the holding frame and reflecting mirror.
In space remote sensor, small-bore reflecting mirror generally uses rigid, semi-flexible and and flexible structure supporting way.Its
In, existing flexible support structure generallys use the flexible connection that flexible member realizes reflecting mirror and frame, presses for example, by using flexibility
Block is directly connected to reflecting mirror and frame, or is located at the flexible member between the reflecting mirror and holding frame using briquetting and pad and cooperates
Realize the flexible connection of reflecting mirror and frame.
In general, mirror assembly support construction rigidity is higher, and fundamental frequency is also higher under dynamic conditions, stress response width
Value is then smaller, and structure is safer；But as the rigidity of structure increases, forces and be displaced relieving capacity and thermal deformation relieving capacity then therewith
It is deteriorated.Existing flexible support method is since support construction is flexible greatly, rigidity is small, and anti-seismic performance is poor, under the conditions of vibration easily
Structure is generated to destroy.
Summary of the invention
Aiming at the problems existing in the prior art, it the present invention provides a kind of mirror support fixing means, realizes pair
The flexible support of reflecting mirror, and the stress response of reflecting mirror and supporting adn fixing device under vibration environment can be reduced, avoid due to
Structure caused by vibrating is destroyed.
To realize the above goal of the invention, the present invention includes following technical solution:
A kind of mirror support fixing means, comprising the following steps:
First reflecting mirror is fixed on holding frame component, and fills in damping glue to flexible support and solidifies, obtains the soft of injecting glue
Property support, wherein the flexible support includes first connecting portion and second connecting portion, the first connecting portion is used for and the support
The connection of frame component, for the second connecting portion for connecting with lens bodies frame, the first connecting portion and second connecting portion are logical
Cross the first flexible hinge and the connection of the second flexible hinge of orthogonal setting, time of first flexible hinge and the second flexible hinge
Turn the optical axis direction that direction is each perpendicular to reflecting mirror, is equipped with multiple injecting glues on first flexible hinge and the second flexible hinge
Slot, the injecting glue slot is for filling in the damping glue, so that flexible hinge revolution is tangential upper with damping；
The holding frame component and the lens bodies frame are fixedly connected with by the flexible support of the injecting glue.
In an alternative embodiment, the holding frame component includes holding frame, three briquettings and six films, and the holding frame is ring
Shape frame, and periphery is distributed along the circumference with three flanges, the holding frame inner sidewall is equipped with annular supporting plate and along the holding frame radial direction
Extend through the first through hole of the holding frame side wall, the annular supporting plate is equipped with along axially extending second logical of the holding frame
Hole, the briquetting is equipped with the third through-hole axially extending along the holding frame, described that first reflecting mirror is fixed on holding frame component,
Include:
Three positions fixed with the holding frame on the reflecting mirror are first determined according to the position of three flanges；
The upper and lower surfaces of three positions on the determining reflecting mirror respectively pad the film, by the reflection
Mirror is placed to the predeterminated position above the annular supporting plate, makes to form axial injecting glue between the reflecting mirror and the annular supporting plate
Gap；
The briquetting and the flange are corresponded and assembled, passes through the first through hole, the second through-hole and third respectively
Through-hole fills in bonded adhesives, realizes the fixation of the reflecting mirror Yu the holding frame component.
In an alternative embodiment, the film is the polyimides metallized film with a thickness of 0.02-0.06mm.
In an alternative embodiment, annular groove is additionally provided on the holding frame inner sidewall, the first through hole is located at the ring
Between shape supporting plate and the annular groove, and it is connected to the annular groove.
In an alternative embodiment, the first end of the briquetting and the flanged joint, second end are equipped with the first connector, institute
The first connecting portion for stating flexible support is equipped with the second connector, and the flexible support by the injecting glue is fixedly connected with the support
Frame component and the lens bodies frame, comprising:
First connector and the second connector are assembled, and plug gap gasket in rigging position, makes first connector
And second connector plug fasten, obtain the briquetting and flexible support be in the assembling assembly of initial position；
Then obtained assembling assembly is pre-fixed on lens bodies frame；
After position and the angle of adjusting the reflecting mirror, by the second connecting portion of the flexible support of the injecting glue with it is described
Lens bodies frame is fixed；
It dismantles the gap gasket, forms multiple first gaps and multiple second between first connector and the second connector
Gap, wherein first gap and the second gap are vertical；
Bonding agent is filled in into first gap and the second gap, realizes the flexible support of the holding frame component and injecting glue
Be fixedly connected.
In an alternative embodiment, the flexible support by the injecting glue is fixed with the lens bodies frame, comprising:
The relative position of the second connecting portion and the lens bodies frame is adaptively adjusted by flexible support fixation kit and consolidates
Surely the second connecting portion and the lens bodies frame are connected.
In an alternative embodiment, the flexible support fixation kit includes adjustment gasket, three fasteners, three
Spheric washer and three translation washers are set in the second connecting portion there are three fitting groove, and the line of three fitting grooves is
Triangle, the fitting groove are stepped ramp type through slot, a fitting groove corresponding a spheric washer, a fastening
Part and a translation washer, the translation washer are located at the big end of the fitting groove, and the spheric washer is set in institute
It states in translation washer, the fastener passes through the spheric washer and translation washer, realizes the second connecting portion and the mirror
Head main body frame is fixedly connected, and the adjustment gasket is triangle cyclic structure, and sets in three corner positions that there are three dash forward
It rises, the protrusion is equipped with through-hole, and three through-holes and three mounting grooves correspond, and cuts the adjusting pad by repairing
The second connecting portion and the camera lens is adaptively adjusted in the eccentricity of the thickness of piece and inclination angle and the adjustment translation washer
The relative position of main body frame.
In an alternative embodiment, first connector is equipped with parallel multiple third grooves and multiple 4th grooves, institute
It states third groove and the 4th slot opening is contrary, and be staggered, second connector is equipped with the cavity of both ends open, and
The first surface of the cavity is equipped with multiple first convex blocks, and the second surface of the cavity is equipped with multiple second convex blocks, institute
It is opposite to state first surface and second surface, when assembly, first connector is installed in the cavity, first convex block and institute
Third groove one-to-one correspondence is stated, and is located in the corresponding third groove, forms first gap with the third groove
With the second gap, second convex block and the 4th groove are corresponded, and are located in corresponding 4th groove, with institute
It states the 4th groove and forms first gap and the second gap.
In an alternative embodiment, the slot bottom of the third groove and the 4th groove is equipped with to be extended along groove length direction
Conduit, the channel floor is evenly equipped with multiple glue through-holes through channel floor.
In an alternative embodiment, first convex block is equipped with far from the side of the first surface along first convex block
The 5th groove that length direction extends, second convex block are equipped with long along second convex block far from the side of the second surface
The 6th groove that direction extends is spent, through the 5th groove and the 6th groove into first gap and the second gap
Bonding agent is filled in, the third groove and the 5th groove are opposite.
The invention has the benefit that
(1) mirror support fixing means provided in an embodiment of the present invention connects briquetting and camera lens master by flexible support
Body frame passes through first of the first orthogonal flexible hinge and the second flexible hinge connection flexible support perpendicular to optical axis direction
Interconnecting piece and second connecting portion make component have stronger forced displacement and thermal deformation relieving capacity, realize to reflecting mirror
Flexible support makes flexible hinge have the tangential damping of revolution, dynamic is effectively reduced and rings by filling in damping glue in flexible hinge
Amplitude is answered, the stress response of vibration environment flowering structure is reduced, avoids destroying due to structure caused by vibrating；
(2) support fixing means provided in an embodiment of the present invention, by the way that the connector of adaptation is arranged to briquetting and flexible support,
And vertical the first gap and the second gap are set on connector, bonded adhesives, realization pair are infused into the gap by filling in hole
The unstressed connection of briquetting and flexible support avoids influence of the erection stress to reflecting mirror surface shape；
(3) holding frame is carbon fiber toughened silicon carbide ceramic matric composite, and one side density is smaller, only 2.5g/cm3
Left and right, can effectively mitigate construction weight；On the other hand there is the linear expansion coefficient to match with silicon carbide mirror, it can be preferably
Resist face shape error caused by temperature change；Furthermore the material specific strength is higher, and stability is good, meets reflection microscope group well
The intensity and stability requirement of part；
(4) by the way that annular groove is arranged on holding frame inner wall, when passing through first through hole injecting glue, glue is made to flow into annular groove
It is interior, and gum spot is formed, the integrality of gum spot is kept, the adhesive strength of reflecting mirror and holding frame is improved；
(5) the flexible support fixation kit provided in an embodiment of the present invention can be adapted to displacement and angle flexibility adjusted
Relative position between support and lens bodies frame guarantees that gasket and positioning pin remove the latter two between flexible support and briquetting
Suitable relative position is kept, solidifies convenient for the injecting glue in both later periods, realizes the unstressed assembly of mirror assembly；
(6) present invention while dimensional stability with higher, small-bore mirror assembly has and generally fits in
With the characteristics of, have wide range of applications.
Detailed description of the invention
Fig. 1 is a kind of top view of the fixed device of mirror support provided in an embodiment of the present invention；
Fig. 2 is a kind of fixed device diagrammatic cross-section of mirror support provided in an embodiment of the present invention；
Fig. 3 is a kind of holding frame front schematic view provided in an embodiment of the present invention；
Fig. 4 is a kind of holding frame reverse side schematic diagram provided in an embodiment of the present invention；
Fig. 5 is flexible support structural schematic diagram provided in an embodiment of the present invention；
Fig. 6 is briquette structure schematic diagram provided in an embodiment of the present invention；
Fig. 7 is the structural representation for removing gasket and positioning pin after briquetting provided in an embodiment of the present invention is assembled with flexible support
Figure；
Fig. 8 is knot when plugging gasket and positioning pin in briquetting provided in an embodiment of the present invention and flexible support assembling process
Structure schematic diagram；
Fig. 9 is another when plugging gasket and positioning pin in briquetting provided in an embodiment of the present invention and flexible support assembling process
One viewing angle constructions schematic diagram.
Specific embodiment
Below with reference to the drawings and specific embodiments, a specific embodiment of the invention is described in further details.
It is shown in Figure 1, the embodiment of the invention provides a kind of fixed device of mirror support, for by reflecting mirror 1 with
The connection of lens bodies frame is especially suitable for the reflecting mirror that bore is not more than 400mm.As illustrated in fig. 1 and 2, in the embodiment of the present invention,
Reflecting mirror 1 is circular reflector, and the upper and lower surface of periphery is respectively provided with the recessed annulus of a circle, and the supporting adn fixing device includes
5, three flexible supports 4 of the film of briquetting 3, six of holding frame 2, three and three groups of flexible support fixation kits, as shown in Figures 3 and 4, support
Frame 2 is ring frame, and periphery is distributed along the circumference with three flanges 21, and the holding frame inner sidewall is equipped with annular supporting plate 22 and along institute
The first through hole 24 that holding frame radially extends and runs through the holding frame side wall is stated, the annular supporting plate 22 is equipped with along the holding frame axis
To the second through-hole 25 of extension, three briquettings 3 are corresponded with three flanges 21 and are fixed by fastener, are such as schemed
Shown in 2, film 5 is padded on the upper and lower surfaces at the position corresponding with briquetting 3 of reflecting mirror 1, and the briquetting 3 is equipped with along the support
The axially extending third through-hole 31 of frame, third through-hole 31 and the second through-hole 25 correspond, for filling in bonded adhesives, to be bonded pressure
Block 3 and film 5, first through hole 24 and the second through-hole 25 are used to fill in bonded adhesives, be adhesively fixed reflecting mirror 1 and holding frame 2 or
Person's adhering film 5 and holding frame 2, flexible support 4 are corresponded and are connect with briquetting 3, as shown in figure 5, flexible support 4 includes first
Interconnecting piece 4a and second connecting portion 4b, the first connecting portion 4a are connect with briquetting 3, and second connecting portion 4b is used for and camera lens master
The connection of body frame, first connecting portion 4a and second connecting portion 4b are flexible by the first flexible hinge 11a of orthogonal setting and second
The gyratory directions of hinge 11b connection, the first flexible hinge 11a and the second flexible hinge 11b are vertical, and the first flexible hinge 11a
With the optical axis direction of the equal vertical reflector 1 of gyratory directions of the second flexible hinge 11b, the flexibility of the first flexible hinge 11a and second
Multiple injecting glue slots 12 are equipped on hinge 11b, injecting glue slot 12 is for filling in damping glue, so that the tangential upper tool of flexible hinge revolution
There is damping, the flexible support fixation kit is used to be adaptively adjusted the opposite position of second connecting portion 4b Yu lens bodies frame
It sets and fixes second connecting portion 4b and lens bodies frame.
Specifically, the preferred polyimides metallized film of film 5, the preferred 0.02- of thickness in the embodiment of the present invention
0.06mm, the film soft smooth, coefficient of friction is smaller, thickness uniformity, and when vibration is abutted against with reflecting mirror flange face, can be compared with
Fitting reflecting mirror mating surface shape is adapted to well, increases bearing area, and mating surface frictional force is small under optical axis horizontality, favorably
In avoiding bringing reflecting mirror surface shape adverse effect.
The fixed device of mirror support provided in an embodiment of the present invention, connects briquetting and lens bodies frame by flexible support
Frame passes through the first connection of the first orthogonal flexible hinge and the second flexible hinge connection flexible support perpendicular to optical axis direction
Portion and second connecting portion make component have stronger forced displacement and thermal deformation relieving capacity, realize the flexibility to reflecting mirror
Support makes flexible hinge have the tangential damping of revolution, dynamic response width is effectively reduced by filling in damping glue in flexible hinge
Value, reduces the stress response of vibration environment flowering structure, avoids destroying due to structure caused by vibrating.
As shown in figure 5, in an alternative embodiment, first connecting portion 4a and second connecting portion 4b pass through sequentially connected the
The one flexible revolving body 17 of flexible revolving body 16, second and pedestal 15 connect, the described first flexible revolving body 16 and described second soft
Property 17 junction of revolving body form first connecting portion position, and the first flexible revolving body 16 using the first connecting portion position as
Rotating shaft forms first flexible hinge, and the described second flexible revolving body 17 and 15 junction of pedestal form second connecting portion
Position, and the described second flexible revolving body 17 forms second flexible hinge, institute using the second connecting portion position as rotating shaft
Stating first connecting portion position and second connecting portion position is strip, and the two is vertical.Wherein, the pedestal 15 is equipped with multiple flat
The first capable vertical plate 15a, the described second flexible revolving body 17 are equipped with multiple first grooves and multiple second grooves, and described first is soft
Property revolving body 16 be equipped with multiple the second parallel vertical plate 16a, first groove is the type groove of falling U, and second groove is U
Type groove, the first vertical plate 15a and first groove correspond, and are located in the inverted U slot, with the inverted U slot
Side wall between there is gap to form the injecting glue slot 12, the second vertical plate 17a and the second groove one-to-one correspondence, and be located at
In second groove, between the side wall of second groove there is gap to form the injecting glue slot 12.In a specific implementation
In example, the multiple first groove is connected to form zigzag convolution slot, and multiple second grooves are connected to form zigzag convolution slot, lead to
It crosses and gel resin fabrication hole is set at turning, remove the extra damping glue after solidifying.In an alternative embodiment, described first is flexible
Unconnected position has the gap of 0.2-0.4mm between revolving body 16 and the second flexible revolving body 17, and described second is soft
Property revolving body 17 and pedestal 15 between unconnected position have 0.2-0.4mm gap；
As Figure 7-9, in an alternative embodiment, multiple injecting glue slots 12 on same flexible hinge, with described
The rotating shaft of flexible hinge is symmetrical arranged for symmetry axis, to realize the symmetrical revolution of flexible hinge.
In an alternative embodiment, as shown in Fig. 1,2 or 6,3 first end of briquetting is connect with the flange 21, second end with
The first connecting portion 4a connection of flexible support 4,3 second end of briquetting are equipped with the first connector 13a, as shown in figure 5, flexible support 4
First connecting portion 4a is equipped with the second connector 13b, and the first connector 13a is adapted to the second connector 13b, and as shown in fig. 7, the two fills
Multiple the first horizontally extending gaps and multiple the second gaps extended along the vertical direction, the first connector are formed after matching
13a and/or the second connector 13b is equipped with and fills in hole, and the hole of filling in is connected to first gap and the second gap, for filling in
Bonded adhesives realizes the unstressed connection to briquetting and flexible support.In other embodiments, first gap and the second gap
It is also possible to what inclination extended, and the first gap and the second gap are vertical；As it can be seen in figures 5 and 6, in an alternative embodiment, the
One connector 13a is equipped with parallel multiple third grooves 133 and multiple 4th grooves 134, the third groove 133 and the 4th groove
134 opening directions on the contrary, and be staggered, the second connector 13b is equipped with the cavity of both ends open, and the first surface of the cavity
Be equipped with multiple first convex blocks 135, the second surface of the cavity is equipped with multiple second convex blocks 136, the first surface and
Second surface is opposite, and the first connector 13a is installed in the cavity, first convex block 135 and the third groove 133
It corresponds, and is located in the corresponding third groove 133, form first gap and the with the third groove 133
Two gaps, second convex block 136 is corresponded with the 4th groove 134, and is located at corresponding 4th groove 134
It is interior, first gap and the second gap are formed with the 4th groove 134；Further, the third groove 133 and the 4th
The slot bottom of groove 134 is equipped with the conduit 131 extended along the groove length direction, and in order to injecting glue, 131 bottom of conduit is equal
Multiple glue through-holes 132 through channel floor are furnished with, in order to form gum spot；First convex block 135 is far from described first
The side on surface is equipped with the 5th groove 137 extended along the first convex block length direction, and second convex block 136 is far from described
The side of second surface is equipped with the 6th groove 138 that extends along 136 length direction of the second convex block, in order to injecting glue, the 5th
Groove 137 and third groove 133 are opposite, form cavity, fill bonded adhesives in when injecting glue cavity, strengthen after being bonded adhesive curing
The two bonding strength.
Supporting adn fixing device provided in this embodiment, in assembly, between briquetting 3 and flexible support 4, by between first
The corresponding position of gap and the second gap plugs gasket, determines the initial position between briquetting 3 and flexible support 4, when briquetting 3 with it is soft
Property support 4 respectively fix after, take out gasket, make to form the first gap and the second gap between briquetting 3 and flexible support 4；One
In alternative embodiment, briquetting 3 and flexible support 4 are equipped with corresponding location hole, by the positioning for being plugged in the positioning hole
Sell the height and position for determining the first connector 13a in the cavity.
Supporting adn fixing device provided in an embodiment of the present invention, by the connector to briquetting and flexible support setting adaptation, and
Vertical the first gap and the second gap are set on connector, infuses bonded adhesives into the gap by filling in hole, realizes to pressure
The unstressed connection of block and flexible support avoids influence of the erection stress to reflecting mirror surface shape.
In an alternative embodiment, holding frame 2 be carbon fiber toughened silicon carbide ceramic matric composite, one side density compared with
It is small, only 2.5g/cm3Left and right, can effectively mitigate construction weight；On the other hand have the line to match with silicon carbide mirror swollen
Swollen coefficient, can be better against face shape error caused by temperature change；Furthermore the material specific strength is higher, and stability is good, very
Meet the intensity and stability requirement of mirror assembly well.
In an alternative embodiment, as shown in Figures 3 and 4,2 side wall of holding frame is equipped with annular supporting plate 22, annular groove 23 and more
A to radially extend first through hole 24, the annular supporting plate 22 is equipped with second through-hole 25, Duo Gesuo axially extending along holding frame 2
The circumferential direction that first through hole is stated along holding frame 2 is uniformly distributed, and is connected between annular groove and supporting plate and with the annular groove.Described first
Through-hole and the second through-hole are used to note bonded adhesives.By the way that annular groove is arranged, when passing through first through hole injecting glue, glue is made to flow into ring
In shape slot, and gum spot 91 is formed, keep the integrality of gum spot, improves the adhesive strength of reflecting mirror and holding frame.
In an alternative embodiment, as shown in Fig. 2, flexible support fixation kit includes 6, three, an adjustment gasket fastenings
14,3 spheric washers 7 of part and three translation washers 8, set that there are three fitting groove, three fitting grooves on second connecting portion 4b
Line be triangle, the fitting groove is stepped ramp type through slot, and the corresponding spheric washer of the fitting groove 7, one is tight
Firmware 14 and a translation washer 8, translation washer 8 are located at the big end of fitting groove, and spheric washer 7 is set in translation washer 8
Interior, fastener 14 passes through spheric washer 7 and translation washer 8, and realization second connecting portion 4b is fixedly connected with lens bodies frame,
Adjustment gasket 6 is triangle cyclic structure, and is set in three corner positions there are three protrusion, and the protrusion is equipped with through-hole, three
A through-hole and three mounting grooves correspond, and adjustment gasket 6, spheric washer 7 and translation washer 8 cooperate adaptability tune
The relative position of whole second connecting portion 4b and lens bodies frame.The flexible support fixation kit can be adapted to displacement and angle tune
Relative position between flexible support after whole and lens bodies frame guarantees gasket and positioning pin between flexible support and briquetting
It removes the latter two and keeps suitable relative position, solidify convenient for the injecting glue in both later periods, realize the unstressed dress of mirror assembly
Match.
In one embodiment, the first flexible revolving body 17 of flexible revolving body 16, second and pedestal 15 are structure as a whole,
It is flexible that two groups of curve slots by processing orthogonal direction on same cross mold base form the first flexible revolving body 16, second
Revolving body 17 and pedestal 15, slot gap are 0.3mm.Described matrix is titanium alloy material.The following table 1 be using the present embodiment provides
Flexible support support it is fixed the comparison rigid mount support of reflecting mirror holding frame component it is fixed in the case where, support occurs not at one
Influence simulation comparison result of the displacement to reflecting mirror surface shape error is forced with form.
1 different form of table, which is forced, is displaced caused face shape error (λ=632.8nm)
Referring to Fig. 1-9, the embodiment of the invention also provides a kind of reflecting mirror assembly method, the preferred bore of reflecting mirror is not
Reflecting mirror greater than 400mm, the described method comprises the following steps:
Reflecting mirror 1 is first fixed on holding frame component by step 1；
In an alternative embodiment, the holding frame component includes 2, three briquettings 3 of holding frame and six films 5, and holding frame 2 is ring
Shape frame, and periphery is distributed along the circumference with three flanges 21, the holding frame inner sidewall is equipped with annular supporting plate 22 and along the holding frame
The first through hole 24 of the holding frame side wall is radially extended and runs through, the annular supporting plate 22 is equipped with axially extending along the holding frame
The second through-hole 25, the briquetting 3 is equipped with the third through-hole axially extending along the holding frame 2, and step 1 includes:
Step 1-1: three fixed on the reflecting mirror with the holding frame are first determined according to the position of three flanges 21
A position；
Step 1-2: the upper and lower surfaces of three positions on the determining reflecting mirror respectively pad the film 5, will
The reflecting mirror 1 is placed to the predeterminated position of annular 22 top of supporting plate, make the reflecting mirror 1 and the annular supporting plate 22 it
Between form axial injecting glue gap；
Step 1-3: the briquetting 3 being corresponded with the flange 21 and is assembled, and passes through the first through hole 24, the respectively
Two through-holes 25 and third through-hole 31 fill in bonded adhesives, realize the fixation of the reflecting mirror 1 and the holding frame component.Realize reflecting mirror
Unstressed to frame up, radial glue plays frame and is connected and fixed, and axial glue plays limitation reflecting mirror vibratory response amplitude.
Step 2 is filled in damping glue to flexible support 4 and is solidified, and the flexible support of injecting glue is obtained, and wherein flexible support 4 wraps
Include first connecting portion 4a and second connecting portion 4b, first connecting portion 4a and second connecting portion 4b are first soft by orthogonal setting
Property hinge 11a and the second flexible hinge 11b connection, first connecting portion 4a with the holding frame component for connecting, second connecting portion
For 4b for connecting with lens bodies frame, the gyratory directions of the first flexible hinge 11a and the second flexible hinge 11b are vertical, and the
The optical axis direction of the equal vertical reflector 1 of the gyratory directions of one flexible hinge 11a and the second flexible hinge 11b, the first flexible hinge
Multiple injecting glue slots 12 are equipped on 11a and the second flexible hinge 11b, the injecting glue slot 12 is used to fill in the damping glue,
So that flexible hinge revolution is tangential upper with damping；
Step 3 is fixedly connected with the holding frame component and the lens bodies frame by the flexible support of the injecting glue, complete
At assembly.
Reflecting mirror assembly method provided in an embodiment of the present invention connects briquetting and lens bodies frame by flexible support,
Pass through the first connecting portion of the first orthogonal flexible hinge and the second flexible hinge connection flexible support perpendicular to optical axis direction
And second connecting portion, make component that there is stronger forced displacement and thermal deformation relieving capacity, realizes the flexibility branch to reflecting mirror
Support makes flexible hinge have the tangential damping of revolution, dynamic response amplitude is effectively reduced by filling in damping glue in flexible hinge,
The stress response for reducing vibration environment flowering structure avoids destroying due to structure caused by vibrating.
In an alternative embodiment, the holding frame is fixedly connected with by the flexible support of the injecting glue described in step 3
Component and the lens bodies frame, comprising:
Step 3-1: first connector and the second connector are assembled, and plug gap gasket 18 in rigging position, makes institute
It states the first connector and the second connector plug fastens, obtain the briquetting and flexible support is in the assembling assembly of initial position；
Step 3-2: and then pre-fixed obtained assembling assembly on lens bodies frame by assembly adapter；
Step 3-3: after position and the angle of adjusting the reflecting mirror, by the second connection of the flexible support of the injecting glue
Portion is fixed with the lens bodies frame；
Step 3-4: the gap gasket 18 of dismantling forms multiple first gaps between first connector and the second connector
With multiple second gaps, wherein first gap and the second gap are vertical；
In an alternative embodiment, briquetting 3 and flexible support 4 are equipped with corresponding location hole, also pass through in step 3-4
The positioning pin for being plugged in the positioning hole determines height and position of the first connector 13a in the cavity, correspondingly, step 3-
It further include the positioning pin of dismantling in 4；
Step 3-5: filling in bonding agent into first gap and the second gap, realizes the holding frame component and injecting glue
Flexible support is fixedly connected.
Wherein, in an alternative embodiment, flexible support fixation kit include 6, three fasteners 14 of an adjustment gasket,
3 spheric washers 7 and three translation washers 8, set that there are three fitting groove, the lines of three fitting grooves on second connecting portion 4b
For triangle, the fitting groove is stepped ramp type through slot, a fitting groove corresponding a spheric washer, a fastener and one
A translation washer, translation washer 8 are located at the big end of fitting groove, and spheric washer 7 is set in translation washer 8, and fastener 14 is worn
It is located in spheric washer 7, realization second connecting portion 4b is fixedly connected with lens bodies frame, and adjustment gasket 6 is triangular loop
Shape structure, and setting in three corner positions there are three protrusion, the protrusion are equipped with through-hole, described in three through-holes and three
Mounting groove corresponds, and in an alternative embodiment, step 3-2 is formed step 3-1 by flexible support fixation kit first
The assembling assembly of beginning position pre-fixes on lens bodies frame, and adjusting gasket at this time is original depth and angle, translates washer
Eccentricity is zero, and then with the assembling assembly and lens bodies frame of adapter connection initial position, flexible support of dismantling is fixed
Component after step 3-3 adjusts position and the angle of the reflecting mirror, determines the final of adjustment gasket according to position adjusted
Thickness and angle and the eccentricity for translating washer cut the thickness for adjusting gasket and inclination angle and adjustment translation pad by repairing
The eccentricity of circle realizes the relative position that the second connecting portion Yu the lens bodies frame is adaptively adjusted.In the present embodiment
In, the assembly adapter is removed after being bonded adhesive curing.
By the connector to briquetting and flexible support setting adaptation, and vertical the first gap and second is set on connector
It realizes the unstressed connection to briquetting and flexible support to infuse bonded adhesives into the gap by filling in hole, avoids filling in gap
Influence with stress to reflecting mirror surface shape.
In an alternative embodiment, 2 side wall of holding frame is equipped with annular supporting plate, annular groove and multiple to radially extend first logical
Hole, the annular supporting plate are equipped with second through-hole axially extending along holding frame 2, circumferential direction of multiple first through hole along holding frame 2
It is uniformly distributed, and be connected between annular groove and supporting plate and with the annular groove, injecting glue described in step 2, comprising:
Bonded adhesives is infused by the first through hole and the second through-hole, forms gum spot in a ring groove.Keep the complete of gum spot
Property, improve the adhesive strength of reflecting mirror and holding frame.
The above, optimal specific embodiment only of the invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
The content that description in the present invention is not described in detail belongs to the well-known technique of professional and technical personnel in the field.
Claims (10)
1. a kind of mirror support fixing means, which comprises the following steps:
First reflecting mirror is fixed on holding frame component, and fills in damping glue to flexible support and solidifies, obtains the flexible branch of injecting glue
Seat, wherein the flexible support includes first connecting portion and second connecting portion, the first connecting portion is used for and the holding frame group
Part connection, the second connecting portion with lens bodies frame for connecting, and the first connecting portion and second connecting portion are by just
Hand over the first flexible hinge and the connection of the second flexible hinge of setting, the revolution side of first flexible hinge and the second flexible hinge
To the optical axis direction for being each perpendicular to reflecting mirror, multiple injecting glue slots are equipped on first flexible hinge and the second flexible hinge,
The injecting glue slot is for filling in the damping glue, so that flexible hinge revolution is tangential upper with damping；
The holding frame component and the lens bodies frame are fixedly connected with by the flexible support of the injecting glue.
2. mirror support fixing means according to claim 1, which is characterized in that the holding frame component include holding frame,
Three briquettings and six films, the holding frame is ring frame, and periphery is distributed along the circumference with three flanges, the holding frame inner sidewall
It is equipped with annular supporting plate and the first through hole of the holding frame side wall is radially extended and run through along the holding frame, on the annular supporting plate
Equipped with second through-hole axially extending along the holding frame, the briquetting is equipped with the third through-hole axially extending along the holding frame,
It is described that first reflecting mirror is fixed on holding frame component, comprising:
Three positions fixed with the holding frame on the reflecting mirror are first determined according to the position of three flanges；
The upper and lower surfaces of three positions on the determining reflecting mirror respectively pad the film, and the reflecting mirror is put
It sets to the predeterminated position above the annular supporting plate, makes to be formed between axial injecting glue between the reflecting mirror and the annular supporting plate
Gap；
The briquetting and the flange are corresponded and assembled, passes through the first through hole, the second through-hole and third through-hole respectively
Bonded adhesives is filled in, realizes the fixation of the reflecting mirror Yu the holding frame component.
3. mirror support fixing means according to claim 2, which is characterized in that the film is with a thickness of 0.02-
The polyimides metallized film of 0.06mm.
4. mirror support fixing means according to claim 2, which is characterized in that be additionally provided on the holding frame inner sidewall
Annular groove, the first through hole is located between the annular supporting plate and the annular groove, and is connected to the annular groove.
5. mirror support fixing means according to claim 2, which is characterized in that the first end of the briquetting with it is described
Flanged joint, second end are equipped with the first connector, and the first connecting portion of the flexible support is equipped with the second connector, described to pass through institute
The flexible support for stating injecting glue is fixedly connected with the holding frame component and the lens bodies frame, comprising:
First connector and the second connector are assembled, and plug gap gasket in rigging position, makes first connector and the
Two connector plugs fasten, and obtain the briquetting and flexible support is in the assembling assembly of initial position；
Then obtained assembling assembly is pre-fixed on lens bodies frame；
After position and the angle of adjusting the reflecting mirror, by the second connecting portion of the flexible support of the injecting glue and the camera lens
Main body frame is fixed；
It dismantles the gap gasket, is formed between first connector and the second connector between multiple first gaps and multiple second
Gap, wherein first gap and the second gap are vertical；
Bonding agent is filled in into first gap and the second gap, realizes consolidating for the flexible support of the holding frame component and injecting glue
Fixed connection.
6. mirror support fixing means according to claim 5, which is characterized in that described to prop up the flexibility of the injecting glue
Seat fixed with the lens bodies frame, comprising: by flexible support fixation kit be adaptively adjusted the second connecting portion and
The relative position of the lens bodies frame is simultaneously fixedly connected with the second connecting portion and the lens bodies frame.
7. mirror support fixing means according to claim 6, which is characterized in that the flexible support fixation kit packet
Include an adjustment gasket, three fasteners, three spheric washers and three translation washers, set in the second connecting portion there are three
Fitting groove, the line of three fitting grooves are triangle, and the fitting groove is stepped ramp type through slot, and a fitting groove is corresponding
One spheric washer, a fastener and a translation washer, the translation washer are located at the fitting groove
Big end at, the spheric washer is set in the translation washer, the fastener pass through the spheric washer and translation pad
Circle, realizes being fixedly connected for the second connecting portion and the lens bodies frame, and the adjustment gasket is triangle ring-type knot
Structure, and set in three corner positions there are three protrusion, the protrusion is equipped with through-hole, three through-holes and three installations
Slot corresponds, and the eccentricity adaptability at the thickness for adjusting gasket and inclination angle and the adjustment translation washer is cut by repairing
Adjust the relative position of the second connecting portion Yu the lens bodies frame.
8. mirror support fixing means according to claim 5, which is characterized in that first connector is equipped with parallel
Multiple third grooves and multiple 4th grooves, the third groove and the 4th slot opening are contrary, and are staggered, described
Second connector is equipped with the cavity of both ends open, and the first surface of the cavity is equipped with multiple first convex blocks, the cavity
Second surface is equipped with multiple second convex blocks, and the first surface and second surface are opposite, and when assembly, first connector is installed with
In the cavity, first convex block and the third groove are corresponded, and are located in the corresponding third groove, with
The third groove forms first gap and the second gap, and second convex block and the 4th groove correspond, and
In corresponding 4th groove, first gap and the second gap are formed with the 4th groove.
9. mirror support fixing means according to claim 8, which is characterized in that the third groove and the 4th groove
Slot bottom be equipped with the conduit extended along groove length direction, the channel floor is evenly equipped with multiple glues through channel floor
Through-hole.
10. mirror support fixing means according to claim 9, which is characterized in that first convex block is far from described
The side of first surface is equipped with the 5th groove that extends along the first convex block length direction, and second convex block is far from described the
The side on two surfaces is equipped with the 6th groove that extends along the second convex block length direction, passes through the 5th groove and described the
Six grooves fill in bonding agent into first gap and the second gap, and the third groove and the 5th groove are opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007765.2A CN108957685B (en) | 2018-08-31 | 2018-08-31 | Method for supporting and fixing reflector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007765.2A CN108957685B (en) | 2018-08-31 | 2018-08-31 | Method for supporting and fixing reflector |
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| CN108957685B CN108957685B (en) | 2021-04-13 |
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| CN201811007765.2A Active CN108957685B (en) | 2018-08-31 | 2018-08-31 | Method for supporting and fixing reflector |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110764219A (en) * | 2019-11-08 | 2020-02-07 | 南昌航空大学 | Reflector bonding structure for reducing thermal stress |
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| CN108957685B (en) | 2021-04-13 |
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