CN220427822U - Lens concentricity adjusting device - Google Patents

Lens concentricity adjusting device Download PDF

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Publication number
CN220427822U
CN220427822U CN202321033938.4U CN202321033938U CN220427822U CN 220427822 U CN220427822 U CN 220427822U CN 202321033938 U CN202321033938 U CN 202321033938U CN 220427822 U CN220427822 U CN 220427822U
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lens
clamping
axial
assembly
axial direction
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CN202321033938.4U
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Chinese (zh)
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汪德峰
郑顺亮
王云
徐海华
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Nanjing Jiabo Optical Instrument Co ltd
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Nanjing Jiabo Optical Instrument Co ltd
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Abstract

The application relates to the technical field of lens adjustment, concretely relates to lens concentricity adjusting device, including base, detection component, gesture adjusting part, clamping component and grinding component: the grinding component is movably arranged on the base, the detection component is arranged on the base, and detection laser emitted by the detection component is parallel to the moving direction of the grinding component; the clamping assembly is arranged on the gesture adjusting assembly and is positioned on a path for detecting laser, and the clamping assembly is suitable for clamping the lens; the gesture adjusting component is arranged to drive the lens to rotate along a first axial direction and a second axial direction, the first axial direction is vertical and vertically intersects with the detection laser, and the second axial direction is horizontal and vertically intersects with the first axial direction and the detection laser; when the lens is clamped on the clamping component, the lens is positioned at the intersection point of the first axial direction and the second axial direction. The lens concentricity adjusting device has the technical effect of high adjusting precision.

Description

Lens concentricity adjusting device
Technical Field
The application relates to the technical field of lens adjustment, in particular to a lens concentricity adjusting device.
Background
The lens is an optical device composed of lenses on electronic products such as video cameras, cameras or projectors, and concentricity is a special form of coaxiality and is the degree of deviation between the center of the light incident surface and the center of the light emergent surface.
Taking a cylindrical workpiece as an example to be measured, the coaxiality of a straight line perpendicular to the end face at the center of the visual end face to a reference axis is concentricity, so that the concentricity is an important technical index for evaluating cylindrical workpieces such as lenses, and the assembly and the use of the workpieces are directly affected by errors of the concentricity.
The Chinese patent with the bulletin number of CN113448041A discloses a high-precision lens group concentricity adjusting method, which is characterized in that lenses are fixed through a lens positioning frame, the whole formed by the lens positioning frame and the lenses is adjusted, and finally the adjusted lens positioning frame and the whole formed by the lenses are installed in a lens barrel, so that the lens barrel is large in size, and when the pitching posture of the lenses is adjusted, the posture of the lenses installed on an adapter plate is adjusted through the cooperation of a bolt spring between an installing plate and the adapter plate, so that after the posture of the lenses is adjusted, the lenses are subjected to position deviation, and the condition that errors exist in adjustment can be caused.
In view of the foregoing, it is desirable to provide a lens concentric adjustment structure.
Disclosure of Invention
In order to improve the above-mentioned drawbacks, the present application provides a lens concentricity adjusting device.
The lens concentricity adjusting device provided by the application adopts the following technical scheme.
The utility model provides a lens concentricity adjusting device, includes base, detection component, gesture adjusting part, clamping part and grinding subassembly:
the grinding component is movably arranged on the base, the detection component is arranged at one end of the base, and detection laser emitted by the detection component is parallel to the moving direction of the grinding component;
the clamping assembly is arranged on the gesture adjusting assembly and is positioned on the path of the detection laser, and the clamping assembly is suitable for clamping the lens;
the gesture adjusting component is arranged to drive the lens to rotate along a first axial direction and a second axial direction, the first axial direction is vertical and vertically intersects the detection laser, and the second axial direction is horizontal and vertically intersects the first axial direction and the detection laser; when the lens is clamped on the clamping component, the lens is positioned on the intersection point of the first axial direction and the second axial direction.
Through adopting above-mentioned technical scheme, can make first axial and the intersection of second axial fall on the lens, consequently can realize carrying out the rotation adjustment along first axial and second axial with the lens of centre gripping in the centre gripping subassembly when, the lens can not take place the position to remove in vertical direction and horizontal direction to can guarantee the gesture adjustment's of lens precision, and then can guarantee the adjustment precision of the concentricity of lens.
Specifically, the base includes the movable guide rail, the grinding subassembly includes movable seat, grinding wheel, feeding unit, drive unit and grinding centering clamping unit, the lower part of movable seat be equipped with movable guide rail assorted track groove, feeding unit locate the upper portion of movable seat and with the drive unit is connected, just the grinding wheel with drive unit transmission is connected.
Through adopting above-mentioned technical scheme, after the lens gesture adjustment is accomplished, can be by the centering clamping unit of grinding centering to the lens clamp, after accomplishing centering clamping, the clamping assembly can loosen to be convenient for carry out the grinding adjustment to the lens.
Specifically, the grinding centering clamping unit comprises a pair of centering struts oppositely arranged on the movable seat, wherein the two centering struts are respectively positioned at two sides of the clamping assembly and can be mutually close to or far away from each other to clamp the lens on the clamping assembly; the centering support is provided with a sliding groove extending along the vertical direction, a sliding block is arranged in the sliding groove, the sliding block is provided with an abutting rotating shaft rotationally connected with the sliding block, the sliding block can be fixed on the upper part of the sliding groove, and when the sliding block is fixed on the upper part of the sliding groove, the rotating shaft of the abutting rotating shaft coincides with the detection laser; the lens is characterized in that a rotating hand wheel is arranged at one end, far away from the lens, of the abutting rotating shaft, a detachable abutting part is arranged at one end, close to the lens, of the abutting rotating shaft, and a rubber abutting layer matched with the shape of the lens is arranged on the abutting surface of the lens on the detachable abutting part.
By adopting the technical scheme, the sliding block can be lowered in the process of carrying out laser detection and posture adjustment on the lens, so that laser can pass through the sliding groove to realize laser detection; after laser detection and posture adjustment are carried out on the lens, the sliding block can be upwards moved and locked, the two centering support columns are mutually close to each other to clamp the lens, the lens can rotate by taking a path for detecting laser as a rotating shaft, and therefore accurate polishing adjustment on the edge of the lens can be achieved, and concentricity of the lens is improved.
Specifically, the detection component comprises a laser emission unit, a light receiving plate, a reflecting plate and an analysis processor; the laser emission unit is arranged on one side of the light receiving plate, which is opposite to the clamping assembly, the reflecting plate is arranged on one side of the clamping assembly, which is opposite to the light receiving plate, and the laser emission unit can emit the detection laser to the lens on the clamping assembly through the light passing hole; the reflecting plate is perpendicular to the emitting direction of the detection laser emitted by the laser emitting unit, and the analysis processor is electrically connected with the photoelectric lattice acquisition surface.
Through adopting above-mentioned technical scheme, can realize the detection to the concentricity of lens to supplementary posture adjustment carries out to the lens, and laser twice passes through the lens, can enlarge the error of concentricity, makes the adjustment precision higher.
Specifically, gesture adjusting part includes first axial regulation seat, stand and second axial regulation seat, the mesa of first axial regulation seat with the mesa of base is parallel, just be equipped with the circular arc guide rail on the mesa of first axial regulation seat, the bottom of stand is equipped with the removal bottom plate, be equipped with on the removal bottom plate with circular arc guide rail assorted arc track groove, just the centre of a circle of circular arc guide rail is in under the detection laser, the second axial regulation seat is located on the stand, just clamping assembly locates on the second axial regulation seat.
By adopting the technical scheme, the lens can rotate along the first axial direction and the second axial direction.
Specifically, the circular arc guide rail is further provided with a first axial positioning slot hole arranged along the circular arc guide rail, the movable bottom plate is provided with a column positioning hole matched with the first axial positioning slot hole, so that the column and the first axial adjusting seat are fixed through the bolt assembly, and the column is arranged to be close to or far away from the circle center of the circular arc guide rail.
By adopting the technical scheme, the position adjustment of the lens along the horizontal direction can be realized.
Further, an adjusting rail extending along the vertical direction and a moving block capable of moving along the adjusting rail are arranged on the upright post, a bearing hole suitable for placing a second axial bearing and a second axial positioning slot hole arranged along the bearing hole are formed in the moving block, the second axial adjusting seat is matched with the second axial bearing, and an adjusting seat positioning hole matched with the second axial positioning slot hole is further formed in the second axial adjusting seat so as to fix the upright post and the second axial adjusting seat through a bolt assembly.
By adopting the technical scheme, the position adjustment of the lens along the vertical direction, the rotation along the second axis and the locking can be realized.
Further, the clamping assembly comprises a fixed beam, a movable beam, a beam body driving assembly and a lens clamping unit; the fixed beam is connected with the second axial adjusting seat, and the fixed beam is arranged along the horizontal direction; the beam body driving assembly comprises a pair of moving beam clamping grooves and a screw pair, wherein the moving beam is clamped in the moving beam clamping grooves and can move along the moving beam clamping grooves under the driving of the screw pair; the fixed beam and the movable beam are respectively provided with the lens clamping unit.
Through adopting above-mentioned technical scheme, can realize the centre gripping of clamping assembly to the level piece.
Further, the lens clamping unit comprises clamping jaws and clamping rings, wherein the clamping jaws are oppositely arranged, the clamping rings are arranged between the two clamping jaws and comprise abutting rings and light-passing rings, the light-passing rings are connected with the clamping jaws, light holes are formed in the middle of the light-passing rings, one ends of the abutting rings are connected with the light-passing rings, and the other ends of the abutting rings are suitable for abutting against the lenses.
Through adopting above-mentioned technical scheme for after the clamping assembly centre gripping lens, detect laser can still pass through the lens in order to realize the detection of concentricity.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the attitude adjusting assembly is arranged to drive the lens to rotate along the first axial direction and the second axial direction, the first axial direction is arranged to be vertical and vertically intersected with the detection laser, the second axial direction is arranged to be horizontal and vertically intersected with the first axial direction and the detection laser, and when the lens is clamped on the clamping assembly, the lens is positioned on the intersection point of the first axial direction and the second axial direction, so that the lens clamped in the clamping assembly does not move in the vertical direction and the horizontal direction when the lens rotates along the first axial direction and the second axial direction, the accuracy of attitude adjustment of the lens can be ensured, and the adjustment accuracy of concentricity of the lens can be further ensured;
2. the grinding centering clamping unit is arranged, so that the sliding block can be lowered in the process of carrying out laser detection and posture adjustment on the lens, and laser can pass through the sliding groove to realize laser detection; after laser detection and posture adjustment are carried out on the lens, the sliding block can be upwards moved and locked, the two centering support columns are mutually close to each other to clamp the lens, the lens can rotate by taking a path for detecting laser as a rotating shaft, and therefore accurate polishing adjustment on the edge of the lens can be achieved, and concentricity of the lens is improved.
Drawings
Fig. 1 is a schematic perspective view of a lens concentricity adjustment device of the present application.
Fig. 2 is a front view of the lens concentricity adjustment device of the present application.
Fig. 3 is a sectional view in the direction C-C of fig. 2.
Fig. 4 is a longitudinal cross-sectional view of a clamping assembly in a lens concentricity adjustment device of the present application.
Fig. 5 is a top view of the lens concentricity apparatus of the present application.
Fig. 6 is an enlarged view of region B in fig. 2.
Fig. 7 is an enlarged view of the area a in fig. 1.
Reference numerals: 1. a base; 11. a moving guide rail; 2. a detection assembly; 21. detecting laser; 22. a laser emitting unit; 23. a light receiving plate; 24. a reflection plate; 3. a posture adjustment assembly; 31. a first axial adjustment seat; 311. a circular arc guide rail; 312. a first axially positioned slot; 32. a column; 321. a movable bottom plate; 322. adjusting the track; 323. a moving block; 324. a second axial positioning slot; 33. a second axial adjustment seat; 4. a clamping assembly; 41. a fixed beam; 42. a moving beam; 43. a beam drive assembly; 431. a movable beam clamping groove; 432. a screw pair; 44. a lens clamping unit; 441. a clamping jaw; 442. clamping the circular ring; 4421. an abutment ring; 4422. a light-transmitting ring; 5. a grinding assembly; 51. a movable seat; 52. a grinding wheel; 53. a feeding unit; a drive 54, a moving unit; 55. grinding the centering and clamping unit; 551. centering the support column; 552. a sliding groove; 553. a slide block; 554. abutting the rotating shaft; 555. rotating a hand wheel; 556. a detachable abutment; 557. a rubber abutment layer; 6. a lens.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-7.
The embodiment of the application discloses a lens concentricity adjusting device.
Referring to fig. 1 and 2, a lens concentricity adjustment device comprises a base 1, a detection assembly 2, a posture adjustment assembly 3, a clamping assembly 4 and a grinding assembly 5: the grinding assembly 5 is movably arranged on the base 1, the detection assembly 2 is arranged at one end of the base 1, and detection laser 21 emitted by the detection assembly 2 is parallel to the moving direction of the grinding assembly 5; the clamping component 4 is arranged on the posture adjusting component 3 and is positioned on the path of the detection laser 21, and the clamping component 4 is suitable for clamping the lens 6; the gesture adjusting component 3 is arranged to drive the lens 6 to rotate along a first axial direction and a second axial direction, wherein the first axial direction is vertical and vertically intersects the detection laser 21, and the second axial direction is horizontal and vertically intersects the first axial direction and the detection laser 21; when the lens 6 is clamped on the clamping assembly 4, the lens 6 can be positioned on the intersection point of the first axial direction and the second axial direction, so that the lens 6 clamped in the clamping assembly 4 can not move in the vertical direction and the horizontal direction when the lens 6 is rotationally adjusted along the first axial direction and the second axial direction, the precision of posture adjustment of the lens 6 can be ensured, and the adjustment precision of concentricity of the lens 6 can be further ensured; when the posture adjustment of the lens 6 is completed, the lens 6 needs to be centered and fixed again, so that when the grinding adjustment is performed on the lens 6, the rotating shaft of the lens 6 can be overlapped with the detection laser 21, and therefore the edge of the lens 6 can be accurately ground, and the concentricity of the lens 6 is ensured.
Referring to fig. 2 and fig. 3, in an embodiment of the lens concentricity adjusting device of the present application, the gesture adjusting assembly 3 includes a first axial adjusting seat 31, a stand column 32 and a second axial adjusting seat 33, specifically, as shown in fig. 4 and fig. 5, the table top of the first axial adjusting seat 31 is parallel to the table top of the base 1, an arc guide rail 311 is disposed on the table top of the first axial adjusting seat 31, a moving bottom plate 321 is disposed at the bottom of the stand column 32, an arc track groove matched with the arc guide rail 311 is disposed on the moving bottom plate 321, the center of the arc guide rail 311 is located right below the detection laser 21, the second axial adjusting seat 33 is disposed on the stand column 32, and the clamping assembly 4 is disposed on the second axial adjusting seat 33, so that the stand column 32 (that is, the lens 6) can rotate with the first axial direction as the rotation axis through the cooperation of the arc guide rail 311, and the clamping assembly 4 (that is, the lens 6) can rotate with the second axial direction as the rotation axis through the second axial adjusting seat 33.
Referring to fig. 3 and 6, in an embodiment of the lens concentricity adjusting device of the present application, specifically, a first axial positioning slot hole 312 disposed along the circular arc guide rail 311 may be further disposed at the circular arc guide rail 311, a post positioning hole matched with the first axial positioning slot hole 312 is disposed on the moving bottom plate 321, so as to realize fixation of the post 32 and the first axial adjusting seat 31 via a bolt assembly (a bolt and a nut), and the bottom of the post 32 and the moving bottom plate 321 may be connected by a screw pair 432, so that the post 32 may approach or depart from the center of the circular arc guide rail 311 along a direction perpendicular to the circular arc guide rail 311, so as to realize position adjustment of the lens 6 in the horizontal direction.
Referring to fig. 1 and 7, in one embodiment of the lens concentricity adjusting device of the present application, an adjusting rail 322 extending along a vertical direction and a moving block 323 capable of moving along the adjusting rail 322 are provided on the upright post 32, a screw pair 432 may be provided between the upright post 32 and the moving block 323, so as to drive the moving block 323 to move along the adjusting rail 322, a bearing hole adapted to place the second axial bearing 324 and a second axial positioning slot 324 disposed along the bearing hole may be provided on the moving block 323, the second axial adjusting seat 33 is matched with the second axial bearing 324, and an adjusting seat positioning hole matched with the second axial positioning slot 324 is further provided on the second axial adjusting seat 33, so as to realize fixing of the upright post 32 and the second axial adjusting seat 33 via a bolt assembly, thereby realizing position adjustment of the lens 6 along the vertical direction, rotation along the second axial direction, and locking.
Referring to fig. 1 and 7, in one embodiment of the lens concentricity apparatus of the present application, the clamping assembly 4 specifically comprises a fixed beam 41, a moving beam 42, a beam body drive assembly 43, and a lens 6 clamping unit 44; the fixed beam 41 is connected with the second axial adjustment seat 33, and the fixed beam 41 is arranged in the horizontal direction; the beam body driving assembly 43 comprises a pair of moving beam clamping grooves 431 and a screw pair 432, wherein the moving beam 42 is clamped in the moving beam clamping grooves 431 and can move along the moving beam clamping grooves 431 under the driving of the screw pair 432 so as to be close to or far from the fixed beam 41; the fixed beam 41 and the movable beam 42 are respectively provided with a lens 6 clamping unit 44, so that the movable beam 42 can be driven to be close to or far away from the fixed beam 41 through the rotation of the screw pair 432, and the lens 6 clamping unit 44 can be opened and clamped.
Referring to fig. 4 and 7, in an embodiment of the lens concentricity adjusting device of the present application, the lens 6 clamping unit 44 includes a clamping jaw 441 disposed opposite to each other and a clamping ring 442 disposed between the two clamping jaws 441, the clamping ring 442 is configured to include an abutment ring 4421 and a light-transmitting ring 4422, so as to be connected with the clamping jaw 441 through the light-transmitting ring 4422, and a light-transmitting hole is formed in the middle of the light-transmitting ring 4422, so that after the lens 6 is clamped by the clamping assembly 4, the detection laser 21 can still pass through the lens 6 to enable detection of concentricity, one end of the abutment ring 4421 is connected with the light-transmitting ring 4422, and the other end is adapted to abut with the lens 6, and one end abutting with the lens 6 is provided with a rubber layer to prevent damage to the lens 6, and a receiving cavity for receiving the lens 6 can be formed between the light-transmitting ring 4422 and the abutment ring 4421 so as to clamp a convex lens.
Referring to fig. 1 and 7, in one embodiment of the lens concentricity adjusting device of the present application, the base 1 may be provided to include the moving rail 11, the grinding assembly 5 may be provided to include the moving base 51, the grinding wheel 52, the feeding unit 53, the driving unit 54, and the grinding centering and clamping unit 55, the track groove matching with the moving rail 11 may be provided at the lower portion of the moving base 51 so that the grinding assembly 5 may move along the moving rail 11, the feeding unit 53 is provided at the upper portion of the moving base 51 and connected with the driving unit 54 (e.g., the driving motor), and the grinding wheel 52 is in driving connection with the driving unit 54, for example, the feeding unit 53 may be provided as a feeding bottom plate disposed at the upper portion of the moving base 51 and a screw pair 432 is provided between the feeding bottom plate and the moving base 51, the upper portion of which is connected with the driving motor and the grinding wheel 52 connected with the driving motor, so that the feeding bottom plate may be fed in a direction perpendicular to the detection laser 21 on the moving base 51 (in a horizontal direction), thereby enabling the lens 6 to be polished with the grinding wheel 52 to have an edge thereof, so as to improve the concentricity of the lens 6.
Specifically, referring to fig. 1 and 7, in one embodiment of the lens concentricity adjustment device of the present application, the grinding centering clamping unit 55 may be configured to include a pair of centering posts 551 oppositely disposed on the movable base 51, the two centering posts 551 being respectively on both sides of the clamping assembly 4 and being capable of approaching or moving away from each other to clamp the lens 6 on the clamping assembly 4; the centering pillar 551 is provided with a sliding groove 552 extending along the vertical direction, a sliding block 553 is arranged in the sliding groove 552, an abutting rotating shaft 554 rotationally connected with the sliding block 553 is arranged on the sliding block 553, the sliding block 553 and the sliding groove 552 can be fixed on the upper part of the sliding groove 552 in a bolt fixing mode, when the sliding block 553 is fixed on the upper part of the sliding groove 552, the rotating shaft of the abutting rotating shaft 554 coincides with the detection laser 21, the sliding block 553 can be firstly lowered in the process of carrying out laser detection and posture adjustment on the lens 6, so that laser can pass through the sliding groove 552 to realize laser detection, after carrying out laser detection and posture adjustment on the lens 6, the sliding block 553 can be upwards moved and locked on the upper part of the sliding groove 552, the two centering pillars 551 are mutually close to realize clamping on the lens 6, and the lens 6 can rotate by taking the path of the detection laser 21 as the rotating shaft, thereby realizing accurate polishing adjustment on the edge of the lens 6 and improving the concentricity of the lens 6.
The end far away from the lens 6 on the abutting rotating shaft 554 can be provided with a rotating hand wheel 555, the end close to the lens 6 on the abutting rotating shaft 554 is provided with a detachable abutting part 556, the detachable abutting part 556 can be connected with the abutting rotating shaft 554 in a screwed connection mode so as to be convenient to replace, the abutting surface of the detachable abutting part 556, which is matched with the lens 6, is provided with a rubber abutting layer 557, such as an inward concave rubber abutting layer 557, which is matched with a convex lens, or an outward convex rubber abutting layer 557, which is matched with the concave lens, or a plane rubber abutting layer 557, which is matched with the plane lens, so that different detachable abutting parts 556 can be selected according to different lenses 6, good centering clamping can be carried out on the lenses 6, the lenses are not mirror surfaces, and the detachable abutting part 556 can be abutted with the lenses 6 through light holes, which are saved by a light passing ring 4422, can be damaged.
Specifically, referring to fig. 1 and 2, in one embodiment of the lens concentricity adjustment device of the present application, the detection assembly 2 may be provided to include a laser emission unit 22, a light receiving plate 23, a reflecting plate 24, and an analysis processor (not shown in the drawings); the light receiving plate 23 is provided with a light passing hole and a photoelectric lattice collecting surface, the laser emitting unit 22 is arranged on one side of the light receiving plate 23, which is opposite to the clamping component 4, the reflecting plate 24 is arranged on one side of the clamping component 4, which is opposite to the light receiving plate 23, the laser emitting unit 22 can emit detection laser 21 to the lens 6 on the clamping component 4 through the light passing hole, the reflecting plate 24 is arranged to be perpendicular to the emitting direction of the detection laser 21 emitted from the laser emitting unit 22, the analysis processor is electrically connected with the photoelectric lattice collecting surface, the detection laser 21 passes through the lens 6, then emits to the reflecting plate 24 and is reflected by the reflecting plate 24, the reflected detection laser 21 emits to the lens 6 and emits to the light receiving plate 23 through the lens 6, if the reflected detection laser 21 falls on the photoelectric dot matrix collecting surface 232, the analysis processor will detect that the falling point of the detection laser 21 deflects, so that an alarm for adjusting the posture of the lens 6 can be transmitted outwards in the form of audible and visual alarm and the like until the detection laser 21 falls on the light passing hole, so that the analysis processor cannot be triggered to send an alarm for adjusting the posture of the lens 6, that is, the posture of the lens 6 is adjusted, the concentricity of the lens 6 is detected, the posture of the lens 6 is adjusted in an auxiliary mode, and the error of concentricity can be amplified when the laser passes through the lens 6 twice, so that the adjustment precision is higher.
The implementation principle of the lens concentricity adjusting device in the embodiment of the application is as follows: the gesture adjusting part 3 is arranged to drive the lens 6 to rotate along the first axial direction and the second axial direction, the first axial direction is arranged to be vertical and is perpendicular to the detection laser 21, the second axial direction is arranged to be horizontal and is perpendicular to the first axial direction and the detection laser 21, when the lens 6 is clamped on the clamping part 4, the lens 6 is positioned on the intersection point of the first axial direction and the second axial direction, so that the lens 6 clamped in the clamping part 4 does not move in the vertical direction and the horizontal direction when the lens 6 rotates along the first axial direction and the second axial direction, thereby ensuring the gesture adjusting precision of the lens 6 and further ensuring the concentricity adjusting precision of the lens 6.
The grinding centering clamping unit 55 is arranged so that the slide 553 can be lowered in the process of laser detection and posture adjustment of the lens 6, so that laser can pass through the sliding groove 552 to realize laser detection; after the laser detection and the posture adjustment are performed on the lens 6, the slide block 553 can be upwards locked, the two centering support posts 551 are mutually close to each other to clamp the lens 6, and the lens 6 can rotate by taking the path of the detection laser 21 as a rotating shaft, so that the edge of the lens 6 can be accurately polished and adjusted, and the concentricity of the lens 6 is improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. The lens concentricity adjusting device is characterized by comprising a base (1), a detection assembly (2), a posture adjusting assembly (3), a clamping assembly (4) and a grinding assembly (5):
the grinding component (5) is movably arranged on the base (1), the detection component (2) is arranged at one end of the base (1), and detection laser (21) emitted by the detection component (2) is parallel to the moving direction of the grinding component (5);
the clamping assembly (4) is arranged on the gesture adjusting assembly (3) and is positioned on the path of the detection laser (21), and the clamping assembly (4) is suitable for clamping the lens (6);
the attitude adjusting assembly (3) is arranged to drive the lens (6) to rotate along a first axial direction and a second axial direction, the first axial direction is vertical and vertically intersects the detection laser (21), and the second axial direction is horizontal and vertically intersects the first axial direction and the detection laser (21); when the lens (6) is clamped on the clamping assembly (4), the lens (6) is positioned at the intersection point of the first axial direction and the second axial direction.
2. The lens concentricity apparatus as claimed in claim 1, wherein: the base (1) comprises a movable guide rail (11), the grinding assembly (5) comprises a movable seat (51), a grinding wheel (52), a feeding unit (53), a driving unit (54) and a grinding centering clamping unit (55), a track groove matched with the movable guide rail (11) is formed in the lower portion of the movable seat (51), the feeding unit (53) is arranged on the upper portion of the movable seat (51) and connected with the driving unit (54), and the grinding wheel (52) is in transmission connection with the driving unit (54).
3. The lens concentricity adjustment device according to claim 2, wherein: the grinding centering clamping unit (55) comprises a pair of centering support posts (551) oppositely arranged on the movable seat (51), wherein the two centering support posts (551) are respectively positioned at two sides of the clamping assembly (4) and can be mutually close to or far away from each other so as to clamp the lens (6) on the clamping assembly (4); a sliding groove (552) extending along the vertical direction is formed in the centering support column (551), a sliding block (553) is arranged in the sliding groove (552), an abutting rotating shaft (554) rotationally connected with the sliding block (553) is arranged on the sliding block (553), the sliding block (553) can be fixed on the upper portion of the sliding groove (552), and when the sliding block (553) is fixed on the upper portion of the sliding groove (552), the rotating shaft of the abutting rotating shaft (554) is overlapped with the detection laser (21); one end of the abutting rotating shaft (554) far away from the lens (6) is provided with a rotating hand wheel (555), one end of the abutting rotating shaft (554) close to the lens (6) is provided with a detachable abutting part (556), and a rubber abutting layer (557) matched with the shape of the lens (6) is arranged on the abutting surface of the detachable abutting part (556) and the abutting surface of the lens (6).
4. The lens concentricity apparatus as claimed in claim 1, wherein: the detection assembly (2) comprises a laser emission unit (22), a light receiving plate (23), a reflecting plate (24) and an analysis processor; the light receiving plate (23) is provided with a light passing hole and a photoelectric lattice acquisition surface, the laser emission unit (22) is arranged on one side of the light receiving plate (23) which is opposite to the clamping assembly (4), the reflecting plate (24) is arranged on one side of the clamping assembly (4) which is opposite to the light receiving plate (23), and the laser emission unit (22) can emit the detection laser (21) to the lens (6) on the clamping assembly (4) through the light passing hole; the reflecting plate (24) is arranged perpendicular to the emitting direction of the detection laser (21) emitted from the laser emitting unit (22), and the analysis processor is electrically connected with the photoelectric lattice acquisition surface.
5. The lens concentricity apparatus as claimed in claim 1, wherein: the gesture adjusting part (3) comprises a first axial adjusting seat (31), a stand column (32) and a second axial adjusting seat (33), the table top of the first axial adjusting seat (31) is parallel to the table top of the base (1), an arc guide rail (311) is arranged on the table top of the first axial adjusting seat (31), a movable bottom plate (321) is arranged at the bottom of the stand column (32), an arc track groove matched with the arc guide rail (311) is arranged on the movable bottom plate (321), the center of the arc guide rail (311) is located under the detection laser (21), the second axial adjusting seat (33) is arranged on the stand column (32), and the clamping part (4) is arranged on the second axial adjusting seat (33).
6. The lens concentricity apparatus as claimed in claim 5, wherein: the circular arc guide rail (311) is further provided with a first axial positioning slot hole (312) arranged along the circular arc guide rail (311), the movable bottom plate (321) is provided with a column positioning hole matched with the first axial positioning slot hole (312), so that the column (32) and the first axial adjusting seat (31) are fixed through the bolt assembly, and the column (32) is arranged to be close to or far away from the circle center of the circular arc guide rail (311).
7. The lens concentricity apparatus as claimed in claim 6, wherein: the stand (32) is provided with an adjusting rail (322) extending along the vertical direction and a moving block (323) capable of moving along the adjusting rail (322), the moving block (323) is provided with a bearing hole suitable for placing a second axial bearing and a second axial positioning slot hole (324) arranged along the bearing hole, the second axial adjusting seat (33) is matched with the second axial bearing, and the second axial adjusting seat (33) is also provided with an adjusting seat positioning hole (331) matched with the second axial positioning slot hole (324) so as to fix the stand (32) and the second axial adjusting seat (33) through a bolt assembly.
8. The lens concentricity apparatus according to any of claims 1 to 7, characterized in that: the clamping assembly (4) comprises a fixed beam (41), a movable beam (42), a beam body driving assembly (43) and a lens clamping unit (44); the fixed beam (41) is connected with the second axial adjusting seat (33), and the fixed beam (41) is arranged along the horizontal direction; the beam body driving assembly (43) comprises a pair of moving beam clamping grooves (431) and a screw pair (432), wherein the moving beam (42) is clamped in the moving beam clamping grooves (431) and can move along the moving beam clamping grooves (431) under the driving of the screw pair (432); the fixed beam (41) and the movable beam (42) are respectively provided with the lens clamping unit (44).
9. The lens concentricity apparatus as claimed in claim 8, wherein: the lens clamping unit (44) comprises clamping jaws (441) which are oppositely arranged and clamping rings (442) which are arranged between the clamping jaws (441), each clamping ring (442) comprises an abutting ring (4421) and a light-transmitting ring (4422), each light-transmitting ring (4422) is connected with the corresponding clamping jaw (441), a light hole is formed in the middle of each light-transmitting ring (4422), one end of each abutting ring (4421) is connected with each light-transmitting ring (4422), and the other end of each abutting ring is suitable for being abutted against the corresponding lens (6).
CN202321033938.4U 2023-05-04 2023-05-04 Lens concentricity adjusting device Active CN220427822U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321033938.4U CN220427822U (en) 2023-05-04 2023-05-04 Lens concentricity adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321033938.4U CN220427822U (en) 2023-05-04 2023-05-04 Lens concentricity adjusting device

Publications (1)

Publication Number Publication Date
CN220427822U true CN220427822U (en) 2024-02-02

Family

ID=89696244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321033938.4U Active CN220427822U (en) 2023-05-04 2023-05-04 Lens concentricity adjusting device

Country Status (1)

Country Link
CN (1) CN220427822U (en)

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