CN112666671B - Cylindrical lens support and cylindrical lens adjusting method - Google Patents
Cylindrical lens support and cylindrical lens adjusting method Download PDFInfo
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- CN112666671B CN112666671B CN201910979188.1A CN201910979188A CN112666671B CN 112666671 B CN112666671 B CN 112666671B CN 201910979188 A CN201910979188 A CN 201910979188A CN 112666671 B CN112666671 B CN 112666671B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The invention provides a cylindrical lens support, which comprises a supporting seat, an adjusting frame and a lens frame, wherein the lens frame is arranged in the adjusting frame; the support seat is provided with a first connecting hole, a first vertical adjusting hole and a first transverse adjusting hole, the adjusting frame is provided with a distance adjusting hole and a second connecting hole, a vertical adjusting jackscrew is arranged in the distance adjusting hole in a penetrating manner, a fixing screw arranged in the first connecting hole and the second connecting hole in a penetrating manner connects the support seat with the adjusting frame, a spring is sleeved on the fixing screw, a first rotary adjusting jackscrew is arranged in the first vertical adjusting hole in a penetrating manner, and a second rotary adjusting jackscrew is arranged in the first transverse adjusting hole in a penetrating manner; the invention also provides an adjusting method of the cylindrical lens, which comprises the steps of unscrewing the fixing screw, adjusting the first rotary adjusting jackscrew, adjusting the second rotary adjusting jackscrew and adjusting the vertical adjusting jackscrew. The cylindrical lens support and the cylindrical lens adjusting method provided by the invention have the advantages that the structure is simple, the multi-degree-of-freedom adjustment can be realized, and the adjusting precision is high.
Description
Technical Field
The invention belongs to the technical field of optical instruments, and particularly relates to a cylindrical lens support and a cylindrical lens adjusting method.
Background
Cylindrical lenses are used for linear imaging for controlling the size of a beam in only one direction, for example, converting a spot light spot into a linear light spot, or changing the image height without changing the imaging width. The cylindrical lens is widely applied to the technical fields of linear detector illumination, bar code scanning, full-system illumination, optical information processing, computers, laser emission and the like, and also has wide application in a strong laser system and a synchronous radiation beam line.
When a cylindrical lens is used, it is often necessary to adjust the angle of the cylindrical lens to change the exit position of the light beam. In the prior art, in the scheme of adjusting the angle of the cylindrical lens, the angle is adjusted through structures such as a turbine, a worm, a screw rod and a key, and the angle adjusting device is complex in structure, high in manufacturing cost and inconvenient to operate.
Disclosure of Invention
One of the purposes of the present invention is to provide a cylindrical lens support, so as to solve the technical problem of complex support structure for adjusting the angle of the cylindrical lens in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme: the cylindrical lens support comprises a supporting seat, an adjusting frame and a lens frame for fixing the cylindrical lens, wherein the lens frame is arranged in the adjusting frame;
the support seat is provided with a first connecting hole, a first vertical adjusting hole and a first transverse adjusting hole, the projections of the first vertical adjusting hole and the first transverse adjusting hole on the adjusting frame are respectively positioned on two adjacent frames of the adjusting frame, and the first connecting hole is arranged between the first vertical adjusting hole and the first transverse adjusting hole;
the adjusting frame is provided with a distance adjusting hole and a second connecting hole corresponding to the first connecting hole, the distance adjusting hole extends from the outer periphery of the adjusting frame to the inner periphery of the adjusting frame, a vertical adjusting jackscrew is penetrated in the distance adjusting hole, and the vertical adjusting jackscrew is abutted with the glasses frame;
the supporting seat is connected with the adjusting frame through a fixing screw penetrating through the first connecting hole and the second connecting hole, a spring is sleeved on the fixing screw, and the spring is used for driving the supporting seat to be close to the adjusting frame;
a first rotary adjusting jackscrew for abutting against the adjusting frame is arranged in the first vertical adjusting hole in a penetrating way;
and a second rotary adjusting jackscrew used for abutting against the adjusting frame is arranged in the first transverse adjusting hole in a penetrating way.
Further, the first connecting holes and the second connecting holes are all provided with a plurality of connecting holes, and the second connecting holes are respectively arranged on two adjacent frames of the adjusting frame.
Further, the support seat is further provided with a first positioning hole positioned among the plurality of first connecting holes, and a positioning jackscrew used for being abutted against the adjusting frame is arranged in the first positioning hole in a penetrating manner.
Further, a second positioning hole corresponding to the first positioning hole is further formed in the adjusting frame, and the positioning jackscrew penetrates through the first positioning hole and stretches into the second positioning hole.
Further, a second vertical adjusting hole corresponding to the first vertical adjusting hole is further formed in the adjusting frame, and the first rotary adjusting jackscrew stretches into the second vertical adjusting hole;
the adjusting frame is also provided with a second transverse adjusting hole corresponding to the first transverse adjusting hole, and the second rotary adjusting jackscrew stretches into the second transverse adjusting hole.
Further, the first rotary adjusting jackscrew can vertically move along the hole wall of the second vertical adjusting hole;
the second rotary adjusting jackscrew can transversely move along the hole wall of the second transverse adjusting hole.
Further, the adjusting frame is further provided with a fixing hole extending from the periphery of the adjusting frame towards the distance adjusting hole, the fixing hole is communicated with the distance adjusting hole, a limiting jackscrew is arranged in the fixing hole and used for being abutted to the vertical adjusting jackscrew, and vertical movement of the vertical adjusting jackscrew is limited.
Further, the supporting seat comprises a base and a supporting plate arranged on the base, a transverse mounting hole is formed in the supporting plate, the supporting plate is connected with the base through a first fastening screw penetrating through the transverse mounting hole and the base, and the first fastening screw in a unscrewed state can transversely slide along the transverse mounting hole;
the first connecting hole, the first vertical adjusting hole and the first horizontal adjusting hole are arranged on the supporting plate;
the center line of the distance adjusting hole extends vertically.
Further, the base is provided with a longitudinal mounting hole for a second fastening screw to fix the base on the supporting table and for sliding longitudinally from the second fastening screw in a unscrewed state.
The cylindrical lens support provided by the invention has the beneficial effects that: compared with the prior art, the cylindrical lens bracket is characterized in that the support seat is connected with the adjusting frame through the fixing screws penetrating through the first connecting holes and the second connecting holes; the fixed screw is sleeved with a spring, the spring drives the supporting seat to be close to the adjusting frame, and the supporting seat is abutted to the adjusting frame through a first rotary adjusting jackscrew penetrating through the first vertical adjusting hole and a second rotary adjusting jackscrew penetrating through the first transverse adjusting hole so as to ensure the stability of the connection between the supporting seat and the adjusting frame; the first rotary adjusting jackscrew drives the adjusting frame to rotate around a transverse axis (namely an X axis), the second rotary adjusting jackscrew drives the adjusting frame to rotate around a vertical axis (namely a Z axis), and the vertical adjusting jackscrew drives the mirror frame to linearly move along the vertical axis, so that the cylindrical lens is adjusted along the directions of three degrees of freedom, and the beam expansion or focusing precision of the cylindrical lens is ensured; the cylindrical lens is linearly adjusted and rotationally adjusted by only punching holes on the supporting seat and the adjusting frame, so that three-freedom adjustment matched with linear adjustment and rotary adjustment of the cylindrical lens is realized by using common parts in the mechanical field, and the cylindrical lens adjusting device is simple in structure, convenient to assemble and high in adjusting precision.
The second objective of the present invention is to provide a method for adjusting a cylindrical lens, so as to solve the technical problem of low adjustment accuracy of the cylindrical lens in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme: the method for adjusting the cylindrical lens comprises the following steps:
unscrewing a fixed screw penetrating through the first connecting hole, so that the spring sleeved on the fixed screw drives the supporting seat to reduce the elasticity of the supporting seat close to the adjusting frame;
the first rotary adjusting jackscrew penetrating through the first vertical adjusting hole is adjusted to enable the adjusting frame to rotate around the transverse shaft
The second rotary adjusting jackscrew penetrating through the first transverse adjusting hole is adjusted, so that the adjusting frame rotates around the vertical shaft;
and the vertical adjusting jackscrew penetrating through the distance adjusting hole is adjusted, so that the mirror frame moves along the central line direction of the distance adjusting hole in a vertical plane.
The cylindrical lens adjusting method provided by the invention has the beneficial effects that: compared with the prior art, the adjusting method of the cylindrical lens reduces the elasticity of the supporting seat, which is driven by the spring to approach the adjusting frame, by unscrewing the fixing screw penetrating through the first connecting hole, so that the first rotary adjusting jackscrew penetrating through the first vertical adjusting hole and the second rotary adjusting jackscrew penetrating through the first horizontal adjusting hole have certain precession amount, the adjusting frame is driven by the first rotary adjusting jackscrew and the second rotary adjusting jackscrew to rotate around the horizontal shaft and the vertical shaft respectively, and then the lens frame is driven by the adjusting of the vertical adjusting jackscrew penetrating through the distance adjusting hole to linearly move along the vertical shaft in the vertical plane, thereby realizing three-degree-of-freedom adjustment of the cylindrical lens, and improving the adjusting precision of the cylindrical lens by combining rotary adjusting and linear adjusting of the cylindrical lens.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a cylindrical lens support according to an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the frame in FIG. 1;
FIG. 3 is a schematic diagram of the adjusting frame in FIG. 1;
FIG. 4 is a second schematic structural view of the adjusting frame in FIG. 1;
FIG. 5 is a schematic view of the structure of the support plate of FIG. 1;
FIG. 6 is a schematic view of the base of FIG. 1;
fig. 7 is a schematic structural view of the platen of fig. 1.
Wherein, each reference sign in the figure:
1. a cylindrical lens; 2. a support base; 21. a base; 211. a chute; 212. a slot wall aperture; 213. a longitudinal mounting hole; 22. a support plate; 221. a first vertical adjustment aperture; 222. a first lateral adjustment aperture; 223. a first positioning hole; 224. a first connection hole; 225. a transverse mounting hole; 3. adjusting the frame; 31. a distance adjusting hole; 311. a second through hole; 312. a first through hole; 32. a second vertical adjustment aperture; 33. a second lateral adjustment aperture; 34. a second positioning hole; 35. a second connection hole; 36. a fixing hole; 4. a frame; 5. a pressing plate; 51. a groove.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 5, a cylindrical lens holder according to the present invention will be described. The cylindrical lens support comprises a supporting seat 2, an adjusting frame 3 and a lens frame 4 for fixing the cylindrical lens 1, wherein the lens frame 4 is arranged in the adjusting frame 3.
The supporting seat 2 is provided with a first connecting hole 224, a first vertical adjusting hole 221 and a first transverse adjusting hole 222, the projections of the first vertical adjusting hole 221 and the first transverse adjusting hole 222 on the adjusting frame 3 are respectively positioned on two adjacent side frames of the adjusting frame 3, and the first connecting hole 224 is arranged between the first vertical adjusting hole 221 and the first transverse adjusting hole 222;
the adjusting frame 3 is provided with a distance adjusting hole 31 and a second connecting hole 35 corresponding to the first connecting hole 224, the distance adjusting hole 31 extends from the outer periphery of the adjusting frame 3 to the inner periphery of the adjusting frame 3, a vertical adjusting jackscrew is penetrated in the distance adjusting hole 31, and the vertical adjusting jackscrew is abutted with the mirror frame 4;
the supporting seat 2 and the adjusting frame 3 are connected through a fixed screw penetrating through the first connecting hole 224 and the second connecting hole 35, a spring is sleeved on the fixed screw, and the spring is used for driving the supporting seat 2 to be close to the adjusting frame 3;
a first rotation adjusting jackscrew for abutting against the adjusting frame 3 is arranged in the first vertical adjusting hole 221 in a penetrating way; a second rotation adjusting jackscrew for abutting against the adjusting frame 3 is penetrated in the first transverse adjusting hole 222.
Referring to fig. 1, in the embodiment of the present invention, the length direction of the support plate 22 is the same as the direction of the transverse axis (i.e., X-axis), the width direction of the support plate 22 is the same as the direction of the longitudinal axis (i.e., Y-axis), and the vertical direction is the same as the direction of the vertical axis (i.e., Z-axis).
Compared with the prior art, the cylindrical lens bracket provided by the invention has the advantages that the supporting seat 2 is connected with the adjusting frame 3 through the fixing screws penetrating through the first connecting holes 224 and the second connecting holes 35; the fixed screw is sleeved with a spring, the supporting seat 2 is driven by the spring to be close to the adjusting frame 3, and the supporting seat 2 is abutted against the adjusting frame 3 through a first rotary adjusting jackscrew penetrating through the first vertical adjusting hole 221 and a second rotary adjusting jackscrew penetrating through the first transverse adjusting hole 222 so as to ensure the stability of the connection between the supporting seat 2 and the adjusting frame 3; the first rotary adjusting jackscrew drives the adjusting frame 3 to rotate around a transverse shaft, the second rotary adjusting jackscrew drives the adjusting frame 3 to rotate around a vertical shaft, and the vertical adjusting jackscrew drives the mirror frame 4 to linearly move along the vertical shaft, so that the cylindrical lens 1 is adjusted along the three degrees of freedom directions, and the beam expansion or focusing precision of the cylindrical lens 1 is ensured; the cylindrical lens 1 is linearly adjusted and rotationally adjusted in a matched three-freedom adjustment mode by only punching holes in the supporting seat 2 and the adjusting frame 3 and using common parts in the mechanical field, and the cylindrical lens adjusting device is simple in structure, convenient to assemble and high in adjusting precision.
In this embodiment, the supporting seat 2 is connected with the adjusting frame 3 through the fixing screw, the rotation allowance of the adjusting frame 3 relative to the supporting seat 2 is provided by unscrewing the spring, the adjusting frame 3 can be abutted by the first rotary adjusting jackscrew and the second rotary adjusting jackscrew, and the stability of the connection between the adjusting frame 3 and the supporting seat 2 is ensured by utilizing the friction force between the first rotary adjusting jackscrew and the second rotary adjusting jackscrew and the adjusting frame 3.
Specifically, the distance adjusting hole 31 includes a first through hole 312 and a second through hole 311 respectively provided on two opposite rims of the adjusting frame 3 to realize the reciprocal adjustment of the mirror frame 4.
Specifically, the center line of the first through hole 312 coincides with the center line of the second through hole 311, so as to avoid the inclination of the lens frame 4 to affect the adjustment accuracy of the lens frame 4.
Further, referring to fig. 1, fig. 4 and fig. 5, as a specific embodiment of the cylindrical lens support provided by the present invention, a plurality of first connecting holes 224 and second connecting holes 35 are provided, and a plurality of second connecting holes 35 are respectively provided on two adjacent frames of the adjusting frame 3, so that fixing screws can connect different frames of the adjusting frame 3 with the supporting seat 2, thereby making the connection between the adjusting frame 3 and the supporting seat 2 more stable and improving the accuracy of adjusting the rotation of the adjusting frame 3.
Specifically, the first connection hole 224 and the second connection hole 35 are both provided in this embodiment.
Further, referring to fig. 1, fig. 4 and fig. 5, as a specific embodiment of the cylindrical lens support provided by the present invention, the support base 2 is further provided with a first positioning hole 223 located between a plurality of first connection holes 224, a positioning jackscrew for abutting against the adjusting frame 3 is penetrated in the first positioning hole 223, and the adjusting frame 3 is abutted against the positioning jackscrew by the first rotation adjusting jackscrew, the second rotation adjusting jackscrew and the positioning jackscrew, so that the stability of connecting the adjusting frame 3 with the support base 2 is maintained by utilizing the principle that the triangle has stability, thereby improving the stability and precision of rotation of the adjusting frame 3; the positioning jackscrew is positioned between the first rotary adjusting jackscrew and the second rotary adjusting jackscrew, and when the adjusting frame 3 rotates around the transverse shaft or the vertical shaft, the positioning jackscrew is taken as a base point to rotate, so that the rotation base point between the positioning adjusting frame 3 and the supporting seat 2 is realized through the positioning jackscrew.
Further, referring to fig. 4 and 5, as a specific embodiment of the cylindrical lens support provided by the present invention, the adjusting frame 3 is further provided with a second positioning hole 34 corresponding to the first positioning hole 223, and the positioning jackscrew passes through the first positioning hole 223 and stretches into the second positioning hole 34, so that the positioning jackscrew passing through the first positioning hole 223 abuts against the second positioning hole 34, and the movement of the positioning jackscrew in the vertical plane is limited by the second positioning hole 34, thereby ensuring the stability of connecting the adjusting frame 3 with the supporting seat 2, improving the precision of the rotation base point between the positioning adjusting frame 3 and the supporting seat 2, and improving the rotation precision and stability of the adjusting frame 3.
Further, referring to fig. 1, 3 and 4, as a specific embodiment of the cylindrical lens support provided by the present invention, the adjusting frame 3 is further provided with a second vertical adjusting hole 32 corresponding to the first vertical adjusting hole 221, the first rotary adjusting jackscrew extends into the second vertical adjusting hole 32, so that the first rotary adjusting jackscrew abuts against the second vertical adjusting hole 32, and the moving range of the first rotary adjusting jackscrew in the vertical plane is limited by the second vertical adjusting hole 32, thereby improving the connection stability of the adjusting frame 3 and the supporting seat 2, and improving the rotation precision of the adjusting frame 3.
Further, referring to fig. 1, 3 and 4, as a specific embodiment of the cylindrical lens support provided by the present invention, the adjusting frame 3 is further provided with a second lateral adjusting hole 33 corresponding to the first lateral adjusting hole 222, and the second rotary adjusting jackscrew extends into the second lateral adjusting hole 33, so that the second rotary adjusting jackscrew abuts against the second lateral adjusting hole 33, and the moving range of the second rotary adjusting jackscrew in the vertical plane is limited by the second lateral adjusting hole 33, thereby improving the connection stability of the adjusting frame 3 and the supporting seat 2, and improving the rotation precision of the adjusting frame 3.
Further, referring to fig. 1, 3 and 4, as a specific embodiment of the cylindrical lens support provided by the present invention, the first rotation adjusting jackscrew can vertically move along the hole wall of the second vertical adjusting hole 32, so as to provide a rotation margin for the rotation of the adjusting frame 3 around the transverse axis, and prevent the second vertical adjusting hole 32 from blocking the first rotation adjusting jackscrew to affect the rotation of the adjusting frame 3 when the adjusting frame 3 rotates around the transverse axis.
Specifically, referring to fig. 4, the first vertical adjustment hole 221 is a kidney-shaped hole extending in the vertical direction.
Further, referring to fig. 1, 3 and 4, as a specific embodiment of the cylindrical lens support provided by the present invention, the second rotation adjusting jackscrew can move laterally along the hole wall of the second lateral adjusting hole 33, so as to provide a rotation margin for the rotation of the adjusting frame 3 around the vertical axis, and prevent the second lateral adjusting hole 33 from blocking the second rotation adjusting jackscrew to affect the rotation of the adjusting frame 3 when the adjusting frame 3 rotates around the vertical axis.
Specifically, the diameter of the second transverse adjusting hole 33 is larger than that of the second rotary adjusting jackscrew, and the second transverse adjusting hole 33 can compensate the assembly error between the adjusting frame 3 and the supporting seat 2, so that the condition that the second rotary adjusting jackscrew cannot extend into the second transverse adjusting hole 33 due to the assembly error between the adjusting frame 3 and the supporting seat 2 is avoided.
Further, referring to fig. 1 and 3, as a specific embodiment of the cylindrical lens support provided by the invention, a fixing hole 36 extending from the periphery of the adjusting frame 3 toward the distance adjusting hole 31 is further provided on the adjusting frame 3, the fixing hole 36 is communicated with the distance adjusting hole 31, a limiting jackscrew is provided in the fixing hole 36, the limiting jackscrew is used for abutting against the vertical adjusting jackscrew, and limiting the vertical movement of the vertical adjusting jackscrew, so that the vertical adjusting jackscrew is fixed by the limiting jackscrew, and the influence of the movement of the vertical adjusting jackscrew on the position accuracy of the cylindrical lens 1 is avoided.
Further, referring to fig. 1, 5 and 6, as a specific embodiment of the cylindrical lens support provided by the present invention, the support base 2 includes a base 21 and a support plate 22 disposed on the base 21, the support plate 22 is provided with a transverse mounting hole 225, the support plate 22 and the base 21 are connected by a first fastening screw penetrating through the transverse mounting hole 225 and the base 21, and the first fastening screw in a unscrewed state can slide transversely along the transverse mounting hole 225; the first connecting hole 224, the first vertical adjustment hole 221 and the first lateral adjustment hole 222 are provided on the support plate 22; the center line of the distance-adjusting hole 31 extends vertically. The first fastening screw is adjusted to slide transversely along the transverse mounting hole 225, the adjusting support plate 22 moves transversely relative to the base 21, the adjusting frame 3 is matched to rotate around the transverse shaft and the vertical shaft respectively, four-degree-of-freedom adjustment of the cylindrical lens 1 is formed, and the adjustment precision is improved through the matching of the rotary adjustment and the linear adjustment of the cylindrical lens 1.
Specifically, referring to fig. 5 and 6, the base 21 is further provided with a sliding groove 211, the support plate 22 is disposed in the sliding groove 211, and the sliding groove 211 can guide the movement of the support plate 22, so that the support plate 22 moves along the transverse axis, and meanwhile, the stability of the movement of the support plate 22 can be improved.
Specifically, referring to fig. 5 and 6, a slot wall hole 212 is formed in the base 21, and a transverse adjusting jackscrew is inserted into the slot wall hole 212, and is abutted against the support plate 22 and capable of driving the support plate 22 to move transversely. The support plate 22 can be locked by the transverse adjusting jackscrews, the support plate 22 is limited to move transversely, and the support plate 22 is fixed on the base 21 through the sliding grooves 211, the first fastening screws and the transverse adjusting jackscrews; and simultaneously, the transverse adjusting jackscrews can play a role of fine-adjusting the supporting plate 22 so as to improve the precision of the transverse movement of the supporting plate 22.
Specifically, the transverse mounting hole 225 is a kidney-shaped hole.
Specifically, referring to fig. 1 and 5, a notch is provided at one end of the support plate 22 for connecting to the adjustment frame 3 to avoid the light emission of the cylindrical lens 1.
Further, referring to fig. 1, 5 and 6, as a specific embodiment of the cylindrical lens support provided by the present invention, a longitudinal mounting hole 213 is provided on the base 21, for a second fastening screw to fix the base 21 on the support table, and for sliding longitudinally from the second fastening screw in a unscrewed state, by adjusting the second fastening screw to slide longitudinally along the longitudinal mounting hole 213, the five degrees of freedom adjustment of the cylindrical lens 1 are achieved in cooperation with the lateral movement of the support plate 22, the vertical movement of the lens frame 4 and the rotation of the adjustment frame 3 around the lateral axis and the vertical axis, respectively, so as to improve the adjustment precision of the cylindrical lens 1; simple structure, manufacturing and easy dismounting only need can realize the five degrees of freedom regulation of cylindrical lens 1 through the regulation of the common spare in machinery field (such as jackscrew, spring and screw).
Specifically, the longitudinal mounting hole 213 is a kidney-shaped hole.
Further, referring to fig. 1 and fig. 7, as a specific embodiment of the cylindrical lens support provided by the present invention, the cylindrical lens support further includes a pressing plate 5 fixed on the adjusting frame 3, where the pressing plate 5 is used to press the lens frame 4 against the adjusting frame 3, so as to prevent the lens frame 4 from falling out of the adjusting frame 3.
Specifically, the projection of the pressing plate 5 on the front surface of the adjusting frame 3 is not overlapped with the projection of the cylindrical lens 1 on the front surface of the adjusting frame 3, so that the pressing plate 5 is prevented from shielding the light emitted by the cylindrical lens 1.
Further, referring to fig. 1 and fig. 7, as a specific embodiment of the cylindrical lens support provided by the present invention, the pressing plate 5 is provided with a groove 51, and an elastic member for pressing the lens frame 4 is embedded in the groove 51 to press the lens frame 4 against the adjusting frame 3, so as to ensure that the lens frame 4 can move in the adjusting frame 3.
Specifically, the elastic member is rubber.
Specifically, referring to fig. 4, the inner wall of the lens frame 4 is stepped, and the cylindrical lens 1 is adhered to the inner wall of the lens frame 4 to ensure that the cylindrical lens 1 is firmly and stably fixed to the lens frame 4.
Specifically, referring to fig. 3, the inner side wall of the adjusting frame 3 is stepped, so that the lens frame 4 is fixed in the adjusting frame 3 by the stepped inner wall and the pressing plate 5.
Specifically, the first vertical adjustment hole 221, the first lateral adjustment hole 222, the first positioning hole 223, the second connection hole 35, the distance adjustment hole 31, the fixing hole 36, and the slot wall hole 212 are all threaded holes; the first connection hole 224, the second vertical adjustment hole 32, the second lateral adjustment hole 33, the lateral mounting hole 225, and the longitudinal mounting hole 213 are all light holes.
The invention also provides a method for adjusting the cylindrical lens, which comprises the following steps:
s10: the fixing screw penetrating through the first connecting hole 224 is unscrewed, so that the spring sleeved on the fixing screw drives the supporting seat 2 to be close to the adjusting frame 3, and the elasticity is reduced;
s20: the first rotation adjusting jackscrew penetrating through the first vertical adjusting hole 221 is adjusted so that the adjusting frame 3 rotates around the transverse axis
S30: adjusting the second rotary adjusting jackscrew penetrating through the first transverse adjusting hole 222 so that the adjusting frame 3 rotates around the vertical shaft;
s40: the vertical adjusting jackscrews penetrating through the distance adjusting holes 31 are adjusted, so that the mirror frame 4 moves along the central line direction of the distance adjusting holes 31 in the vertical plane.
According to the cylindrical lens adjusting method provided by the invention, the fixed screw penetrating through the first connecting hole 224 is unscrewed, the elasticity of the supporting seat 2, which is driven by the spring and is close to the adjusting frame 3, is reduced, so that the first rotary adjusting jackscrew penetrating through the first vertical adjusting hole 221 and the second rotary adjusting jackscrew penetrating through the first transverse adjusting hole 222 have a certain precession amount, the adjusting frame 3 is driven to rotate around the transverse shaft and the vertical shaft respectively by adjusting the first rotary adjusting jackscrew and the second rotary adjusting jackscrew, and then the lens frame 4 is driven to linearly move along the vertical shaft in the vertical plane by adjusting the vertical adjusting jackscrew penetrating through the distance adjusting hole 31, thereby realizing three-degree-of-freedom adjustment of the cylindrical lens 1, and improving the adjusting precision of the cylindrical lens 1 by combining rotary adjusting and linear adjusting the cylindrical lens 1.
Specifically, step S10 precedes step S20 and step S30 to ensure that the jackscrews threaded through the first vertical adjustment hole 221 and the first horizontal adjustment hole 222 have a certain amount of play; step S20 and step S30 are not sequential; step S40 is performed independently of step S10, step S20 and step S30.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. Cylindrical lens support, its characterized in that: the lens frame is arranged in the adjusting frame;
the support seat is provided with a first connecting hole, a first vertical adjusting hole and a first transverse adjusting hole, the projections of the first vertical adjusting hole and the first transverse adjusting hole on the adjusting frame are respectively positioned on two adjacent frames of the adjusting frame, and the first connecting hole is arranged between the first vertical adjusting hole and the first transverse adjusting hole;
the adjusting frame is provided with a distance adjusting hole and a second connecting hole corresponding to the first connecting hole, the distance adjusting hole extends from the outer periphery of the adjusting frame to the inner periphery of the adjusting frame, a vertical adjusting jackscrew is penetrated in the distance adjusting hole, and the vertical adjusting jackscrew is abutted with the glasses frame;
the supporting seat is connected with the adjusting frame through a fixing screw penetrating through the first connecting hole and the second connecting hole, a spring is sleeved on the fixing screw, and the spring is used for driving the supporting seat to be close to the adjusting frame;
a first rotary adjusting jackscrew for abutting against the adjusting frame is arranged in the first vertical adjusting hole in a penetrating way;
a second rotary adjusting jackscrew used for abutting against the adjusting frame is arranged in the first transverse adjusting hole in a penetrating way;
the length direction of the supporting plate is the same as the direction of the transverse shaft, the width direction of the supporting plate is the same as the direction of the longitudinal shaft, and the vertical direction is the same as the direction of the vertical shaft;
the first vertical adjusting hole is a kidney-shaped hole extending vertically, and the second rotary adjusting jackscrew can move transversely along the hole wall of the second transverse adjusting hole; the first rotary adjusting jackscrew drives the adjusting frame to rotate around the transverse shaft, the second rotary adjusting jackscrew drives the adjusting frame to rotate around the vertical shaft, and the vertical adjusting jackscrew drives the mirror frame to linearly move along the vertical shaft, so that the cylindrical lens is adjusted along the three-degree-of-freedom directions;
the first connecting holes and the second connecting holes are respectively arranged in a plurality, and the second connecting holes are respectively arranged on two adjacent frames of the adjusting frame;
the support seat is also provided with a first positioning hole positioned among the plurality of first connecting holes, and a positioning jackscrew used for abutting against the adjusting frame is arranged in the first positioning hole in a penetrating manner;
the adjusting frame is also provided with a second positioning hole corresponding to the first positioning hole, and the positioning jackscrew penetrates through the first positioning hole and stretches into the second positioning hole.
2. The cylindrical lens holder according to claim 1, wherein: the adjusting frame is also provided with a second vertical adjusting hole corresponding to the first vertical adjusting hole, and the first rotary adjusting jackscrew stretches into the second vertical adjusting hole;
the adjusting frame is also provided with a second transverse adjusting hole corresponding to the first transverse adjusting hole, and the second rotary adjusting jackscrew stretches into the second transverse adjusting hole.
3. The cylindrical lens holder according to claim 2, wherein: the first rotary adjusting jackscrew can vertically move along the hole wall of the second vertical adjusting hole;
the second rotary adjusting jackscrew can transversely move along the hole wall of the second transverse adjusting hole.
4. The cylindrical lens holder according to claim 1, wherein: the adjusting frame is further provided with a fixing hole extending from the periphery of the adjusting frame towards the distance adjusting hole, the fixing hole is communicated with the distance adjusting hole, a limiting jackscrew is arranged in the fixing hole and used for being abutted to the vertical adjusting jackscrew, and vertical movement of the vertical adjusting jackscrew is limited.
5. The cylindrical lens holder according to claim 4, wherein: the support seat comprises a base and a support plate arranged on the base, wherein a transverse mounting hole is formed in the support plate, the support plate is connected with the base through a first fastening screw penetrating through the transverse mounting hole and the base, and the first fastening screw in a unscrewed state can transversely slide along the transverse mounting hole;
the first connecting hole, the first vertical adjusting hole and the first horizontal adjusting hole are arranged on the supporting plate;
the center line of the distance adjusting hole extends vertically.
6. The cylindrical lens holder according to claim 5, wherein: the base is provided with a longitudinal mounting hole for a second fastening screw to fix the base on the supporting table and for sliding longitudinally from the second fastening screw in a unscrewed state.
7. A method of adjusting a cylindrical lens as claimed in any one of claims 1 to 6, characterized in that: the method comprises the following steps:
unscrewing a fixed screw penetrating through a first connecting hole on the supporting seat and a second connecting hole on the adjusting frame, so that the spring sleeved on the fixed screw drives the supporting seat to be close to the adjusting frame, and the elasticity of the supporting seat is reduced;
the first rotary adjusting jackscrew penetrating through the first vertical adjusting hole of the supporting seat is adjusted, so that the adjusting frame rotates around the transverse shaft; the first vertical adjusting hole is a kidney-shaped hole extending vertically;
the second rotary adjusting jackscrew penetrating through the first transverse adjusting hole of the supporting seat is adjusted, so that the adjusting frame rotates around the vertical shaft; the second rotary adjusting jackscrew can transversely move along the hole wall of the second transverse adjusting hole;
and adjusting the vertical adjusting jackscrews penetrating through the distance adjusting holes of the adjusting frame, so that the mirror frame moves along the central line direction of the distance adjusting holes in the vertical plane.
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| CN201910979188.1A CN112666671B (en) | 2019-10-15 | 2019-10-15 | Cylindrical lens support and cylindrical lens adjusting method |
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| CN201910979188.1A CN112666671B (en) | 2019-10-15 | 2019-10-15 | Cylindrical lens support and cylindrical lens adjusting method |
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| CN115016091B (en) * | 2022-08-05 | 2022-11-08 | 山西汉威激光科技股份有限公司 | Two-axis optical lens angle adjusting device |
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