CN211276964U - Concentric adjusting device of focusing mirror - Google Patents
Concentric adjusting device of focusing mirror Download PDFInfo
- Publication number
- CN211276964U CN211276964U CN201922098254.2U CN201922098254U CN211276964U CN 211276964 U CN211276964 U CN 211276964U CN 201922098254 U CN201922098254 U CN 201922098254U CN 211276964 U CN211276964 U CN 211276964U
- Authority
- CN
- China
- Prior art keywords
- plunger
- adjusting
- lever
- support frame
- lens cone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lens Barrels (AREA)
Abstract
The utility model discloses a concentric adjusting device of focusing mirror, it articulates including adjusting supporting seat, one end adjust the supporting seat on and be splayed outward lever regulation support frame, fix adjust on the supporting seat plunger nut, with plunger nut screw-thread fit connects and the free end is supporting holding the regulation plunger, the symmetry both sides of lever regulation support frame are pulled it through a plurality of extension springs and are near the lens cone on the V type groove surface that the lever regulation support frame formed, adjust the plunger and pass through the radial movement drive the contained angle of lever regulation support frame changes realize under the mating reaction of extension spring the adjustment of lens cone radial position. The utility model discloses an accurate plunger screw cooperation plane link mechanism can realize accurately that the concentricity of lens cone is adjusted, and simultaneously, the stability in the accommodation process can be guaranteed to two pairs of extension springs and only have radial activity space's bar groove.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the optical lens piece is adjusted with one heart, especially relate to a focusing mirror adjusting device with one heart.
[ background of the invention ]
Because the laser cutting head used at present has deviation in the manufacturing and assembling processes, the concentricity of the mirror assembly is not high, and the final cutting function is influenced.
The concentric adjustment mechanism of high-power automatic focusing cutting head focusing mirror in the existing market mainly comprises two structures: one is to adopt four plunger screw four-corner opposite-vertex structure, as in the patent technology with the patent publication number of CN208713120U in the prior art, and the other is to adopt two plunger opposite-vertex structures corresponding to two spring pull-back structures, as in the patent technology with the patent publication number of CN201970015U in the prior art. The disadvantage of both structures is that the concentricity is unstable after adjustment, which results in unstable light beam and affects the final cutting effect.
Therefore, it is necessary to provide a new focusing lens concentric adjustment device to solve the above problems.
[ Utility model ] content
A primary object of the present invention is to provide a focusing mirror concentric adjusting device for solving the problem of the cutting head being unstable concentrically in the cutting process, and solving the technical problem of easily changing the position of the focusing mirror on the other two degrees of freedom while adjusting the concentricity of the focusing mirror.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a concentric adjusting device of focusing mirror, its articulates including adjusting supporting seat, one end adjust the supporting seat on and be splayed outward lever regulation support frame, fix adjust on the supporting seat plunger nut, with plunger nut screw-thread fit is connected and the free end is supported and is held just adjustment plunger, the symmetry both sides of lever regulation support frame are pulled it through a plurality of extension springs and are close to the lens cone on the V type groove surface that lever regulation support frame formed, adjustment plunger passes through the radial movement drive the contained angle of lever regulation support frame changes realize under the mating reaction of extension spring the adjustment of lens cone radial position.
Further, the lever regulation support frame includes two lever arms, two the lever arm is eight style of calligraphy and distributes and form between the V type groove, the one end of lever arm articulates through first round pin axle on adjusting the supporting seat, the lens cone quilt the extension spring is injectd in the V type groove.
Further, the adjusting plungers are symmetrically distributed along the axis of the lens barrel.
Furthermore, be provided with the through-hole that link up in the regulation supporting seat, the plunger nut is fixed to be set up in the through-hole, still be provided with in the through-hole and plug up outer end open-ended regulation plunger screw lid.
Furthermore, a sealing ring which abuts against the surface of the plunger nut is sleeved at the large-head end of the adjusting plunger.
Furthermore, the other free end of the adjusting plunger is accommodated with a ball which abuts against the surface of the lever adjusting support frame.
Furthermore, the lens cone is provided with at least two annular grooves which are arranged in parallel, and the tension springs are provided with at least four pairs of annular grooves which are arranged on two sides of the lens cone and are arranged in the annular grooves.
Furthermore, one end of the tension spring is fixed on the adjusting support seat, and the other end of the tension spring is fixed on the lens cone.
Furthermore, a strip-shaped groove is formed in the adjusting support seat. One end of the lens cone is provided with a through hole which is communicated up and down, a third pin shaft is arranged in the through hole, and the third pin shaft penetrates through the strip-shaped groove and has a radial moving range.
Compared with the prior art, the utility model relates to a focusing mirror is adjusting device with one heart's beneficial effect lies in: the precision plunger screw is matched with the plane link mechanism, so that the concentricity adjustment of the lens cone can be accurately realized, and meanwhile, the stability in the adjustment process can be ensured by the two pairs of tension springs and the strip-shaped groove only having a radial movable space; in addition, the sealing ring on the adjusting plunger screw and the adjusting plunger screw cover ensure the dustproof effect, and the reliability of the product is greatly improved; the high-hardness steel balls are used for being in contact with the lever adjusting support frame, so that the contact cannot be easily abraded in the moving process, and the concentricity adjusting stability is improved.
[ description of the drawings ]
Fig. 1 is a schematic top view of an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosive structure according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of an adjusting support seat in an embodiment of the present invention;
fig. 4 is a schematic structural view of a lens barrel according to an embodiment of the present invention;
the figures in the drawings represent:
100 focusing lens concentric adjusting device;
1, adjusting a supporting seat, 11 through holes and 12 strip-shaped grooves; 2, a lever adjusting support frame, 21 lever arms, 22V-shaped grooves and 23 first pin shafts; 3 plunger nut; 4 adjusting plunger, 41 sealing ring, 42 ball; 5, a tension spring, 51 a second pin shaft; 6 lens cone, 61 annular groove, 62 through hole, 63 third pin; 7 adjusting the plunger screw cap.
[ detailed description ] embodiments
Example (b):
referring to fig. 1-4, the present embodiment is a focusing lens concentric adjusting device 100, which includes an adjusting support base 1, a lever adjusting support frame 2 with one end hinged to the adjusting support base 1 and extending outward in a splayed shape, a plunger nut 3 fixed on the adjusting support base 1, an adjusting plunger 4 in threaded fit connection with the plunger nut 3 and with a free end abutting against the lever adjusting support frame 2, and lens barrels 6 with symmetrical sides pulled by a plurality of tension springs 5 to abut against the surface of a V-shaped groove 22 formed by the lever adjusting support frame 2.
The lever adjusting support frame 2 comprises two lever arms 21, the two lever arms 21 are distributed in a splayed shape and form a V-shaped groove 22 therebetween, and one end of each lever arm 21 is hinged to the adjusting support base 1 through a first pin shaft 23. The lens barrel 6 is confined in the V-groove 22 by the tension spring 5. In one embodiment, the two lever arms 21 may be hinged to the same first pin 23, and in another embodiment, the two lever arms 21 may be hinged to the respective first pins 23.
The plunger nut 3 and the adjusting plunger 4 are arranged corresponding to the lever arm 21, preferably, the adjusting plunger 4 is symmetrically distributed along the axis of the lens cone 6, a through hole 11 is formed in the adjusting support seat 1, the plunger nut 3 is fixedly arranged in the through hole 11, and an adjusting plunger screw cover 7 for blocking an opening is further arranged in the through hole 11. The big end of the adjusting plunger 4 is sleeved with a sealing ring 41 which abuts against the surface of the plunger nut 3, the other free end of the adjusting plunger contains a ball 42, the ball 42 abuts against the surface of the lever arm 21 to form abutting force on the lever arm 21, so that the lever arm 21 rotates around the first pin shaft 23 to change the angle between the two lever arms 21, and the position of the lens barrel 6 is adjusted.
The adjusting support seat 1 is provided with a strip-shaped groove 12.
The lens cone 6 is provided with two annular grooves 61 which are arranged in parallel, and the tension springs 5 are provided with four pairs which are arranged on two sides of the lens cone 6 and are arranged in the annular grooves 61. One end of the tension spring 5 is hung on the other second pin 51 on the adjusting support seat 1, and the other end is fixed on the lens cone 6. One end of the lens barrel 6 is provided with a through hole 62 which is through up and down, a third pin 63 is arranged in the through hole 62, and the third pin 63 penetrates through the strip-shaped groove 12 and has a radial moving range.
Through controlling two pairs of extension springs 5, and respectively set up two on the left and right sides in lens cone 6 axial, guarantee that lens cone 6 is unchangeable in the position on axial Z for the adjustment accuracy is more accurate. In other embodiments, the tension spring 5 may be provided with other numbers such as three pairs, four pairs, etc., and this embodiment is not limited, and likewise, the number of the annular grooves 61 on the lens barrel 6 is not limited.
Pass through-hole 62 on the lens cone 6 through third round pin axle 63, then inject in adjusting the bar groove 12 on the supporting seat 1 for lens cone 6 only has the degree of freedom on the radial Y, can not remove in the X axial, thereby further guarantee that the regulation precision is more accurate.
The lever adjusting support frame 2 symmetrically supports the lens cone 6 at the left side and the right side, meanwhile, the lens cone 6 is surrounded by four tension springs 5 to tightly pull the lens cone 6, the lever adjusting support frame 2 and the four tension springs 5 are respectively fixed on the adjusting support frame 1 by positioning pins, two adjusting plungers 4 are arranged on the adjusting support frame 1 corresponding to the lever adjusting support frame 2, the adjusting plungers 4 are rotated by an inner hexagonal wrench to push the lens cone 6 to adjust in the radial direction, and therefore the lens cone 6 is concentric with an optical axis.
The adjusting plunger 4 and the plunger nut 3 are installed on the adjusting support seat 1 in a matched mode, the outside is protected by the adjusting plunger screw cap 7, the adjusting plunger 4 is rotated by the inner hexagonal wrench through the adjusting plunger screw cap 7 to enable the adjusting plunger 4 to move back and forth, the thread pitch of the adjusting plunger 4 is 0.5mm, and the distance between the front and the back of the movement is limited by the plunger nut 3 and the adjusting plunger screw cap 7. Through calculation, the distance by which the lens barrel 6 is finally movable is ± 1.5mm, which means that the adjustment range of the lens barrel 6 and the optical axis is ± 1.5 mm.
The up-down position of the lever adjusting support frame 2 is limited by four tension springs 5 at the same time, so that the lever adjusting support frame 2 can not move up and down randomly, and the lens cone 6 is stably fixed on the adjusting support seat 1. The lever adjusting support frame 2 and the adjusting plunger 4 form a labor-saving lever, and the lens barrel 6 can be pushed by small force, so that large tangential force cannot be generated on the adjusting plunger 4 screw, and abrasion and dust cannot be generated. The sealing ring 41 arranged on the screw of the adjusting plunger 4 prevents external dust from entering, and meanwhile, in the moving process, damping is generated, so that the phenomenon that the concentricity deviates due to the fact that the screw of the adjusting plunger 4 is loosened in use due to vibration and the like is avoided.
The working principle of the embodiment is as follows: a plane connecting rod structure is formed by the precise adjusting plunger 4 and the lever adjusting support frame 2, a driving part of the connecting rod structure is the adjusting plunger 4, a driven part of the connecting rod structure is the lever adjusting support frame 2, the adjusting plunger 4 moves back and forth to drive the lever adjusting support frame 2 to rotate around the first pin shaft 23, and the included angle between the two lever arms 21 is increased and decreased to finally drive the lens barrel 6 to perform radial fine adjustment; meanwhile, four tension springs 5 surrounding the lens cone 6 are also fixed on the focusing lens adjusting support frame 1, so that the lens cone 6 can be pulled back, and the lever adjusting support frame 2 can be vertically limited, thereby ensuring that the lens cone 6 is not deviated in the moving process.
The focusing lens concentric adjusting mechanism 100 of the present embodiment has the following beneficial effects: the precision plunger screw is matched with the plane link mechanism, so that the concentricity adjustment of the lens cone 6 can be accurately realized, and meanwhile, the stability in the adjusting process can be ensured by the four tension springs; in addition, the sealing ring 41 on the screw of the adjusting plunger 4 and the screw cover 7 of the adjusting plunger ensure the dustproof effect, and the reliability of the product is greatly improved; the high-hardness steel balls are used for being in contact with the lever adjusting support frame 2, contact in the moving process is guaranteed and cannot be easily abraded, and the concentricity adjusting stability is improved.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (9)
1. The utility model provides a concentric adjusting device of focusing mirror which characterized in that: it articulates including adjusting supporting seat, one end adjust the supporting seat on and be splayed outward lever regulation support frame, fix adjust on the supporting seat plunger nut, with plunger nut screw-thread fit is connected and the free end supports holding the regulation plunger, the symmetry both sides of lever regulation support frame are pulled it through a plurality of extension springs and are close to the lens cone on the V type groove surface that lever regulation support frame formed, adjust the plunger through the radial movement drive the contained angle of lever regulation support frame changes realize under the mating reaction of extension spring the adjustment of lens cone radial position.
2. The focusing mirror concentricity adjustment device of claim 1, wherein: the lever adjusting support frame comprises two lever arms, wherein the lever arms are distributed in a splayed shape and form a V-shaped groove, one end of each lever arm is hinged to the adjusting support seat through a first hinge pin, and the lens cone is limited in the V-shaped groove by the tension spring.
3. The focusing mirror concentricity adjustment device of claim 1, wherein: the adjusting plungers are symmetrically distributed along the axis of the lens barrel.
4. The focusing mirror concentricity adjustment device of claim 1, wherein: be provided with the through-hole that link up in the regulation supporting seat, the plunger nut is fixed to be set up in the through-hole, still be provided with in the through-hole and plug up outer end open-ended regulation plunger screw lid.
5. The focusing mirror concentricity adjustment device of claim 1, wherein: the big end of the adjusting plunger is sleeved with a sealing ring which abuts against the surface of the plunger nut.
6. The focusing mirror concentricity adjustment device of claim 5, wherein: the other free end of the adjusting plunger is accommodated with a ball which abuts against the surface of the lever adjusting support frame.
7. The focusing mirror concentricity adjustment device of claim 1, wherein: the lens cone is provided with at least two annular grooves which are arranged in parallel, and the tension spring is provided with at least four annular grooves which are divided into at least two pairs and are arranged on two sides of the lens cone and in the annular grooves.
8. The focusing mirror concentricity adjustment device of claim 1, wherein: one end of the tension spring is fixed on the adjusting support seat, and the other end of the tension spring is fixed on the lens cone.
9. The focusing mirror concentricity adjustment device of claim 1, wherein: the adjusting support seat is provided with a strip-shaped groove, one end of the lens cone is provided with a through hole which is communicated up and down, a third pin shaft is arranged in the through hole, and the third pin shaft penetrates through the strip-shaped groove and has a radial moving range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922098254.2U CN211276964U (en) | 2019-11-29 | 2019-11-29 | Concentric adjusting device of focusing mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922098254.2U CN211276964U (en) | 2019-11-29 | 2019-11-29 | Concentric adjusting device of focusing mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211276964U true CN211276964U (en) | 2020-08-18 |
Family
ID=72028335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922098254.2U Active CN211276964U (en) | 2019-11-29 | 2019-11-29 | Concentric adjusting device of focusing mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211276964U (en) |
-
2019
- 2019-11-29 CN CN201922098254.2U patent/CN211276964U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7495838B2 (en) | Collimation lens group adjustment for laser system | |
| CN110000481B (en) | Double-pendulum three-dimensional laser cutting machine | |
| US20090168210A1 (en) | Lens holder | |
| CN104907744A (en) | Coaxial photoelectronic device automatic coupling welding device based on magneto-rheological technology | |
| CN211276964U (en) | Concentric adjusting device of focusing mirror | |
| CN102798944A (en) | Optical fiber coupling device of fiber laser | |
| CN108761704B (en) | Two-plate type angle adjusting frame | |
| JP2006235287A (en) | Lens barrel | |
| CN202962898U (en) | High-precision rolling rod device used for sorting steel balls | |
| CN110091189B (en) | Long workpiece machining machine tool center frame | |
| CN108169918B (en) | Underwater imaging laser illumination light spot homogenization adjusting device | |
| US7967597B2 (en) | Mold releasing device and mold releasing method | |
| JP2011507019A (en) | Optical component position adjusting device and position adjusting method | |
| CN103794984A (en) | Laser module adjusting device | |
| CN110206428B (en) | Non-coplanar hinge of pivot and have robot of this hinge | |
| CN210894817U (en) | Two-dimensional angle adjusting rack | |
| CN2869896Y (en) | Optical-fiber input coupling device | |
| CN211824502U (en) | Radial supporting mechanism for debugging seeker | |
| CN112433308A (en) | Optical fiber coupling adjusting device of high-power laser beam | |
| CN217668734U (en) | Quick clamp for lens processing | |
| CN110977146A (en) | Light beam adjusting device of optical lens group | |
| CN221020706U (en) | Range-adjustable high-precision reflector clamping platform | |
| CN221696611U (en) | Clamping device in ring-shaped part internal support form | |
| CN217316385U (en) | Multi-section laser light guide arm | |
| CN221173128U (en) | Self-centering parallax adjusting device of sighting telescope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |