CN206515534U - Large-aperture KDP crystal clamping device - Google Patents
Large-aperture KDP crystal clamping device Download PDFInfo
- Publication number
- CN206515534U CN206515534U CN201720069751.8U CN201720069751U CN206515534U CN 206515534 U CN206515534 U CN 206515534U CN 201720069751 U CN201720069751 U CN 201720069751U CN 206515534 U CN206515534 U CN 206515534U
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- China
- Prior art keywords
- round platform
- copperhead
- clamping
- underframe
- compression
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Abstract
The utility model discloses a kind of large-aperture KDP crystal clamping device, including just to the underframe and press box of setting, a clamping copperhead is respectively provided with three seamed edges of underframe, the clamping copperhead is included being arranged with clamping round platform and support bar, support bar on stage clip and embedded underframe in corresponding mounting hole；Press box is provided with compression copperhead, the compression copperhead includes compressing round platform and adjusting bolt, the compression round platform and clamping round platform are just right, connected between adjusting bolt and compression round platform by contiguous block, the contiguous block is rotatably coupled by bearing with compressing round platform, is universal hinging structure between the contiguous block and adjusting bolt.The utility model being capable of reliably protecting KDP crystal elements; avoid causing crystal element damage; clamping copperhead and compression copperhead employ self-leveling design; when element is clamped; excessively complicated debugging process is not needed; operating efficiency is substantially increased, it is relatively low to the requirement on machining accuracy of underframe and press box, help to reduce production cost.
Description
Technical field
The utility model belongs to optical element clamping technique field, and in particular to a kind of large-aperture KDP crystal clamping device.
Background technology
It is different from typically with SiO2(silica) is the optical element of main component, and the main component of KDP crystal is
KH2PO4(potassium dihydrogen phosphate), its Main Physical Characteristics shown is：1) environment temperature quenching or shock heating when being less than or equal to 2 DEG C,
It is easily chipping；2) hardness is about with SiO2For the 1/8 of the fused quartz glass of main component；3) material is highly brittle, when corner is touched
When encountering the stiff materials such as metal, the impulsive force of very little can all make crystalline material chipping or collapse angle, particularly sensitive to stress variation.
Above characteristic makes the clamping technique of such optical element be always a great problem for perplexing technical staff.
The method of clamping of existing large-aperture KDP crystal is first to lie in KDP crystal in framework, is pasted with framework reference plane
Close, crystal element another side is pushed down with one group of tabletting.During due to machined components framework and crystal element, mismachining tolerance is difficult to
Avoid, it is impossible to ensure the face contact of element and framework, and be actually changed into element and contacted with certain 3 points point in framework, work as tabletting
During with the contact point and element and the not coaxial contact point of framework of element, tabletting can give element to introduce a moment of face, cause crystalline substance
The contact point that the extra deformation of body even makes crystal original with framework is disengaged.Furthermore, select caused from many tablettings
3 progress three point compressions of the additional facet shape in allowed band are also very difficult.
In summary, existing large-aperture KDP crystal method of clamping is primarily present following shortcoming：
1) protection of the frame structure to element is poor, when being put into optical component package, easily causes element chipping or surface
The generation of degree of impairment；
2) planarity requirements of reference plane are high, and the processing cost accordingly produced is costly；
3) suitable three bites are found time-consuming longer, causes operating efficiency low.
Utility model content
In view of this, the utility model provides a kind of good to optical element protectiveness, it is possible to increase crystal clamping work is imitated
Rate, lower-cost large-aperture KDP crystal clamping device.
Its technical scheme is as follows：
A kind of large-aperture KDP crystal clamping device, including underframe and press box just to setting, the underframe and press box are
Rectangular box structure, forms the accommodation space for accommodating the large-aperture KDP crystal, the three of the underframe between the underframe and press box
A clamping copperhead is respectively provided with individual adjacent seamed edge, three clamping copperheads are distributed in isosceles, and the clamping copperhead includes being located at
Stage clip and insertion are arranged with clamping round platform and the support bar for supporting the clamping round platform in the accommodation space, the support bar
On underframe in corresponding mounting hole；
In each clamping copperhead position of correspondence provided with compressing copperhead on the press box, the compression copperhead include compressing round platform and
The adjusting bolt of the compression round platform is supported, the compression round platform and clamping round platform are just right, lead between adjusting bolt and compression round platform
Contiguous block connection is crossed, the contiguous block is rotatably coupled by bearing with compressing round platform, between the contiguous block and adjusting bolt
For universal hinging structure.
Above structure, using point-to-point method of clamping, will not produce the moment of face of similar existing method of clamping, so as to keep away
The extra face deformation exempted from therefore produced.Clamp the stage clip in copperhead and compress the universal hinging design of copperhead, make the folder
Holding copperhead and compressing copperhead has certain self-leveling function, can be in copperhead and crystal contact, increase contact as far as possible
Area, reduces the pressure of contact area, it is to avoid crystal is caused to damage.Simultaneously because the presence of stage clip, can be to crystal in frame
Interior locus carries out a certain degree of adjustment.The effect for compressing copperhead upper bearing equipment is, when adjusting bolt is tightened, to keep away
Exempt to compress round platform and crystal element surface joint place is rotated, be changed to be rotated by bearing, crystal element surface is avoided with this
Damage, and then avoid component side shape from larger distortion occur.
To ensure on secure support of the crystal element in vertical state, seamed edge of the underframe away from three clamping copperhead sides
Two Top fastening screws are arranged with, the Top fastening screw one end is stretched into the accommodation space, and head are protected provided with polytetrafluoroethylene (PTFE),
The other end passes the underframe seamed edge outer wall.The end contacted in Top fastening screw with crystal element sets polytetrafluoroethylene (PTFE) protected material
Material, can avoid rigid contact of the element in vertical place from causing element base to produce chipping equivalent damage.
Preferably, the sphere that the universal hinging structure includes the bulb of adjusting bolt end and is arranged on contiguous block
Groove, the bulb is embedded in the spherical groove.The structure is able to ensure that after adjusting bolt is tightened compressing round platform can be autonomous
It is levelling, it is fully fitted with plane of crystal, compensate for the footpath occurred when adjusting bolt screw corresponding on press box is intermeshed
To error.
Preferably, the bearing is angular contact ball bearing, a certain degree of axial stress can be born.
To ensure being reliably connected between press box and underframe, the press box by along its circumferential symmetrically arranged attachment screw with
Underframe is fixed.
Preferably, the clamping round platform and compression round platform are red metal material, because red metal material has larger rub
Coefficient is wiped, can be made to produce bigger stiction between round platform and crystal element surface, it is ensured that round platform pair under identical normal pressure
The reliable retention of crystal element.
Beneficial effect：
, being capable of reliably protecting KDP crystal elements using the large-aperture KDP crystal clamping device of above technical scheme, it is to avoid
Damage is caused to crystal element, clamping copperhead and compression copperhead employ certain self-leveling design, when element is clamped, be not required to
Will excessively complicated debugging process, substantially increase operating efficiency, it is relatively low to the requirement on machining accuracy of underframe and press box, have
Help reduce production cost.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is clamping copperhead and the structural representation of underframe installation in the utility model；
Fig. 3 is the structural representation of compression copperhead in the utility model.
Embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail.
A kind of large-aperture KDP crystal clamping device as shown in Figure 1, including underframe 1 and press box 2 just to setting, it is described
Underframe 1 and press box 2 are tetragonal body rectangular box structure, and the receiving heavy caliber KDP is formed between underframe 1 and press box 2
The accommodation space of crystal, press box 2 and underframe 1 are connected by being arranged on the attachment screw 6 of four corner angle positions.
A clamping copperhead 3 is respectively provided with wherein three seamed edges of underframe 1, press box 2 is corresponding in correspondence clamping copperhead 3 position
Provided with copperhead 4 is compressed, the compression copperhead 4 and clamping copperhead 3 are just right, to clamp large-aperture KDP crystal.In the non-installation folder of underframe 1
On the seamed edge for holding copperhead 3, two Top fastening screws 5 are arranged with along its length, and the Top fastening screw 5 is stretched on the outside of the seamed edge of underframe 1
Enter in accommodation space, the head for stretching into accommodation space in the Top fastening screw 5 is provided with polytetrafluoroethylene (PTFE) and protects head, turns Top fastening screw
5 can change the length that it stretches into accommodation space.
As seen from Figure 2, clamping copperhead 3 includes the clamping round platform 31 and support bar 32 being wholely set, wherein, clamping circle
Platform 31 is located in the accommodation space, and support bar 32 extends to underframe 1 along the clamping bottom surface of round platform 31 and stretches into correspondence on the underframe 1
Mounting hole 11 in, support bar 32 and mounting hole 11 are gap cooperation, and stage clip 33, mounting hole 11 are arranged with the support bar 32
For the through hole of up/down perforation, press spring base 34, the one end of stage clip 33 and the press spring base are fixed with its one end away from clamping round platform 31
34 are abutted, and the other end is against on clamping round platform 31 bottom surface.
Fig. 3 shows the concrete structure for compressing copperhead, and it includes compressing round platform 41 and adjusting bolt 42, in the compression round platform
Contiguous block 43 is provided between 41 and adjusting bolt 42, the one end of adjusting bolt 42 is provided with bulb 42a, and contiguous block 43 is provided with and the ball
The spherical groove 43a that head 42a is adapted, bulb 42a are rotationally embedded in spherical groove 43a.
Contiguous block 43 is provided with boss 43b away from one end of adjusting bolt 42, compresses round platform 41 towards the side of contiguous block 43
Cave inward, boss 43b is stretched into the depression, and coordinated by bearing 44, bearing 44 is preferably angular contact ball bearing.Adjust spiral shell
External screw thread is machined with bar 42, it passes away from the end for compressing round platform 41 and is configured with corresponding screwed hole on press box 2, press box 2
(not shown), the length that adjusting bolt 42 stretches into accommodation space can be changed by rotating adjusting bolt 42.
Clamp round platform 31 and compress round platform 41 from the larger red metal material of coefficient of friction.
When clamping large-aperture KDP crystal element, first underframe 1 is lain on mounting plate, then large-aperture KDP crystal is first
Part is lain on press box 1, the clamping round platform 31 of three clamping copperheads 3 on laminating underframe 1, on the inside of the side of adjustment element four and framework
Position relationship, makes element be located at the middle position of press box 1；
Press box 2 is kept flat on underframe 1, copperhead is corresponded each other, tightens the attachment screw 6 of framework surrounding；
Two Top fastening screws 5 that base carries polytetrafluoroethylene (PTFE) protective case are rotated, crystal element bottom edge face is touched with rigid connection
It is advisable；
Rotate the adjusting bolt 42 on press box 2, it is ensured that the rotational angle of each adjusting bolt 42 is consistent, so that crystal element
The power of formed objects is born on positive and negative 3 points of surface, and the framework for having clamped crystal element is slowly vertical, and makes to carry Top fastening screw 5
Side be located at lower section, remove mounting plate, complete element clamping assembling process.
Claims (6)
1. a kind of large-aperture KDP crystal clamping device, including underframe (1) and press box (2) just to setting, the underframe (1) and
Press box (2) is rectangular box structure, is formed between the underframe (1) and press box (2) and accommodates the accommodating of the large-aperture KDP crystal
Space, it is characterised in that：A clamping copperhead (3), three clampings are respectively provided with three adjacent seamed edges of the underframe (1)
Copperhead (3) is distributed in isosceles, and the clamping copperhead (3) includes the clamping round platform (31) being located in the accommodation space and supports the folder
Hold and corresponding peace on stage clip (33) and embedded underframe (1) is arranged with the support bar (32) of round platform (31), the support bar (32)
Fill in hole (11)；
Include pressure provided with copperhead (4), the compression copperhead (4) is compressed in each clamping copperhead (3) position of correspondence on the press box (2)
Tight round platform (41) and the adjusting bolt (42) for supporting the compression round platform (41), the compression round platform (41) is with clamping round platform (31) just
It is right, it is connected between adjusting bolt (42) and compression round platform (41) by contiguous block (43), the contiguous block (43) passes through bearing (44)
It is rotatably coupled with compressing round platform (41), is universal hinging structure between the contiguous block (43) and adjusting bolt (42).
2. large-aperture KDP crystal clamping device according to claim 1, it is characterised in that：The underframe (1) is away from three
Two Top fastening screws (5) are arranged with the seamed edge for clamping copperhead (3) side, Top fastening screw (5) one end is stretched into described accommodating
In space, and head is protected provided with polytetrafluoroethylene (PTFE), the other end passes the underframe (1) seamed edge outer wall.
3. large-aperture KDP crystal clamping device according to claim 1, it is characterised in that：The universal hinging structure bag
The spherical groove (43a) for including the bulb (42a) of adjusting bolt (42) end and being arranged on contiguous block (43), the bulb
In (42a) embedded spherical groove (43a).
4. large-aperture KDP crystal clamping device according to claim 1, it is characterised in that：The bearing (44) is corner connection
Touch ball bearing.
5. large-aperture KDP crystal clamping device according to any one of claim 1 to 4, it is characterised in that：The press box
(2) by fixed along its circumferential symmetrically arranged attachment screw (6) and underframe (1).
6. large-aperture KDP crystal clamping device according to any one of claim 1 to 4, it is characterised in that：The clamping
Round platform (31) and compress round platform (41) be red metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069751.8U CN206515534U (en) | 2017-01-19 | 2017-01-19 | Large-aperture KDP crystal clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720069751.8U CN206515534U (en) | 2017-01-19 | 2017-01-19 | Large-aperture KDP crystal clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206515534U true CN206515534U (en) | 2017-09-22 |
Family
ID=59863953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720069751.8U Expired - Fee Related CN206515534U (en) | 2017-01-19 | 2017-01-19 | Large-aperture KDP crystal clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206515534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873114A (en) * | 2017-01-19 | 2017-06-20 | 中国工程物理研究院激光聚变研究中心 | Large-aperture KDP crystal self adaptation clamping device |
| CN112858172A (en) * | 2021-02-26 | 2021-05-28 | 浙江大学 | Device for clamping thin plate type optical element in optical detection device |
-
2017
- 2017-01-19 CN CN201720069751.8U patent/CN206515534U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106873114A (en) * | 2017-01-19 | 2017-06-20 | 中国工程物理研究院激光聚变研究中心 | Large-aperture KDP crystal self adaptation clamping device |
| CN106873114B (en) * | 2017-01-19 | 2023-03-24 | 中国工程物理研究院激光聚变研究中心 | Large-diameter KDP crystal self-adaptive clamping device |
| CN112858172A (en) * | 2021-02-26 | 2021-05-28 | 浙江大学 | Device for clamping thin plate type optical element in optical detection device |
| CN112858172B (en) * | 2021-02-26 | 2022-03-08 | 浙江大学 | Device for clamping thin plate type optical element in optical detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20180119 |