CN112666671A - Cylindrical lens support and cylindrical lens adjusting method - Google Patents
Cylindrical lens support and cylindrical lens adjusting method Download PDFInfo
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- CN112666671A CN112666671A CN201910979188.1A CN201910979188A CN112666671A CN 112666671 A CN112666671 A CN 112666671A CN 201910979188 A CN201910979188 A CN 201910979188A CN 112666671 A CN112666671 A CN 112666671A
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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
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 supporting 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 penetrates through the distance adjusting hole, the supporting seat and the adjusting frame are connected through fixing screws penetrating through the first connecting hole and the second connecting hole, a spring is sleeved on the fixing screws, a first rotary adjusting jackscrew penetrates through the first vertical adjusting hole, and a second rotary adjusting jackscrew penetrates through the first transverse adjusting hole; the invention also provides an adjusting method of the cylindrical lens, which comprises the steps of loosening the fixing screw, adjusting the first rotary adjusting jackscrew, adjusting the second rotary adjusting jackscrew and adjusting the vertical adjusting jackscrew. The cylindrical lens bracket and the cylindrical lens adjusting method provided by the invention have the advantages of simple structure, capability of realizing multi-degree-of-freedom adjustment and high adjusting precision.
Description
Technical Field
The invention belongs to the technical field of optical instruments, and particularly relates to a cylindrical lens bracket and a cylindrical lens adjusting method.
Background
The cylindrical lens forms a line image for controlling only the size of one direction of the light beam, for example, converting a spot light spot into a line 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, whole system illumination, optical information processing, computers, laser emission and the like, and also has wide application in strong laser systems and synchrotron radiation beam lines.
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 cylindrical lens is adjusted through a turbine, a worm, a screw rod, a key and other structures, so that the cylindrical lens is complex in structure, high in manufacturing cost and inconvenient to operate.
Disclosure of Invention
An object of the present invention is to provide a cylindrical lens holder, so as to solve the technical problem existing in the prior art that the holder for adjusting the angle of the cylindrical lens has a complicated structure.
In order to achieve the purpose, the invention adopts the technical scheme that: 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 supporting 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 penetrates through the distance adjusting hole, and the vertical adjusting jackscrew is abutted to the mirror frame;
the supporting seat and the adjusting frame are connected through fixing screws penetrating through the first connecting hole and the second connecting hole, springs are sleeved on the fixing screws, and the springs are used for driving the supporting seat to be close to the adjusting frame;
a first rotary adjusting jackscrew used for abutting against the adjusting frame penetrates through the first vertical adjusting hole;
and a second rotary adjusting jackscrew used for abutting against the adjusting frame penetrates through the first transverse adjusting hole.
Furthermore, the first connecting holes and the second connecting holes are provided with a plurality of second connecting holes, and the second connecting holes are respectively arranged on two adjacent frames of the adjusting frame.
Furthermore, still be equipped with on the supporting seat and be located a plurality of first locating hole between the first connecting hole, wear to be equipped with in the first locating hole and be used for the butt adjust the frame's location jackscrew.
Furthermore, 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 extends into the second positioning hole.
Furthermore, 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 extends into the second vertical adjusting hole;
and 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 extends 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, still be equipped with on the adjustment frame certainly the periphery of adjustment frame orientation the fixed orifices that the roll adjustment hole extends, the fixed orifices with roll adjustment hole intercommunication, be equipped with spacing jackscrew in the fixed orifices, spacing jackscrew is used for the butt vertical regulation jackscrew to the restriction the vertical removal of vertical regulation jackscrew.
Furthermore, 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 an unscrewed state can transversely slide along the transverse mounting hole;
the first connecting hole, the first vertical adjusting hole and the first transverse adjusting hole are formed in the supporting plate;
the central line of the distance adjusting hole extends along the vertical direction.
Furthermore, the base is provided with a longitudinal mounting hole for a second fastening screw to fix the base on the support table and for the second fastening screw to slide longitudinally from the unscrewed state.
The cylindrical lens support provided by the invention has the beneficial effects that: compared with the prior art, the cylindrical lens support connects the support seat with the adjusting frame through the fixing screws penetrating through the first connecting hole and the second connecting hole; the spring is sleeved on the fixed screw, the supporting seat is driven to be close to the adjusting frame through the spring, and the first rotary adjusting jackscrew penetrating through the first vertical adjusting hole and the second rotary adjusting jackscrew penetrating through the first transverse adjusting hole are abutted against the adjusting frame to ensure the stability of the connection of the supporting seat and the adjusting frame; the adjusting frame is driven to rotate around a transverse shaft (namely an X shaft) through the first rotary adjusting jackscrew, the adjusting frame is driven to rotate around a vertical shaft (namely a Z shaft) through the second rotary adjusting jackscrew, and the vertical adjusting jackscrew drives the picture frame to linearly move along the vertical shaft, so that the cylindrical lens is adjusted along three freedom directions to ensure the precision of beam expanding or focusing by using the cylindrical lens; only through trompil on supporting seat and adjusting frame, the three freedom regulation of the straight line regulation and the rotation regulation complex of cylinder lens have just been realized to the commonly used piece of use machinery field, simple structure, convenient assembling, it is high to adjust the precision.
The second objective of the present invention is to provide an adjusting method for a cylindrical lens, so as to solve the technical problem of low adjusting precision of the cylindrical lens in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a method of adjusting a cylindrical lens, comprising the steps of:
loosening the fixing screw penetrating through the first connecting hole to enable the spring sleeved on the fixing screw to drive the supporting seat to be close to the elastic force of the adjusting frame to be reduced;
adjusting a first rotary adjusting jackscrew penetrating through a first vertical adjusting hole to enable the adjusting frame to rotate around a transverse shaft
Adjusting a second rotary adjusting jackscrew penetrating through the first transverse adjusting hole to enable the adjusting frame to rotate around the vertical shaft;
and adjusting the vertical adjusting jackscrew penetrating through the distance adjusting hole to ensure that the picture frame moves along the direction of the central line 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 cylindrical lens adjusting method reduces the elasticity of the spring driving the supporting seat to be close to 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 transverse adjusting hole have certain screw-in amount, the adjusting frame 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 the picture frame is driven to linearly move along the vertical shaft in a vertical plane by adjusting the vertical adjusting jackscrew penetrating through the distance adjusting hole, so that three-degree-of-freedom adjustment of the cylindrical lens is realized, and the adjusting precision of the cylindrical lens is improved by combining the rotary adjustment and the linear adjustment of the cylindrical lens.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of a cylindrical lens holder according to an embodiment of the present invention;
FIG. 2 is a schematic view of the frame of FIG. 1;
FIG. 3 is a first schematic view of the adjusting frame shown in FIG. 1;
FIG. 4 is a second schematic structural view of the adjustment frame of FIG. 1;
FIG. 5 is a schematic structural view of the support plate of FIG. 1;
FIG. 6 is a schematic structural view of the base of FIG. 1;
fig. 7 is a schematic structural view of the press plate of fig. 1.
Wherein, in the figures, the respective reference numerals:
1. a cylindrical lens; 2. a supporting seat; 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. distance adjusting holes; 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 mirror frame; 5. pressing a plate; 51. and (4) a groove.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present 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 merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" 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 will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 5, a cylindrical lens holder according to the present invention will now be described. The cylindrical lens support comprises a supporting seat 2, an adjusting frame 3 and a lens frame 4 used for fixing the cylindrical lens 1, wherein the lens frame 4 is installed in the adjusting frame 3.
A first connecting hole 224, a first vertical adjusting hole 221 and a first transverse adjusting hole 222 are formed in the supporting seat 2, projections of the first vertical adjusting hole 221 and the first transverse adjusting hole 222 on the adjusting frame 3 are respectively located on two adjacent frames of the adjusting frame 3, and the first connecting hole 224 is formed 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 penetrates through the distance adjusting hole 31, and the vertical adjusting jackscrew is abutted to the spectacle frame 4;
the supporting seat 2 and the adjusting frame 3 are connected through a fixing screw penetrating through the first connecting hole 224 and the second connecting hole 35, and a spring is sleeved on the fixing screw and used for driving the supporting seat 2 to be close to the adjusting frame 3;
a first rotary adjusting jackscrew used for abutting against the adjusting frame 3 is arranged in the first vertical adjusting hole 221 in a penetrating manner; a second rotation adjusting jack screw for abutting against the adjusting frame 3 is inserted into the first lateral adjusting hole 222.
Referring to fig. 1, in the embodiment of the present invention, the length direction of the supporting plate 22 is the same as the direction of the transverse axis (i.e., X axis), the width direction of the supporting 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 hole 224 and the second connecting hole 35; the fixed screw is sleeved with a spring, the supporting seat 2 is driven to be close to the adjusting frame 3 through the spring, and the first rotating adjusting jackscrew penetrating through the first vertical adjusting hole 221 and the second rotating adjusting jackscrew penetrating through the first transverse adjusting hole 222 are abutted against the adjusting frame 3 so as to ensure the stability of connection between the supporting seat 2 and the adjusting frame 3; the adjusting frame 3 is driven to rotate around the transverse shaft through the first rotary adjusting jackscrew, the adjusting frame 3 is driven to rotate around the vertical shaft through the second rotary adjusting jackscrew, and the vertical adjusting jackscrew drives the lens frame 4 to linearly move along the vertical shaft, so that the cylindrical lens 1 is adjusted along three freedom directions to ensure the precision of beam expansion or focusing by using the cylindrical lens 1; only through trompil on supporting seat 2 and adjusting frame 3, the three freedom regulation of the straight line regulation and the rotation regulation complex of cylinder lens 1 has just been realized to the commonly used piece of using machinery field, simple structure, convenient assembling, the regulation precision is high.
In this embodiment, connect supporting seat 2 and adjusting frame 3 through the set screw, provide adjusting frame 3 for the rotation allowance of supporting seat 2 through unscrewing the spring, can utilize first rotation regulation jackscrew and the rotatory friction force between adjusting frame 3 of second regulation jackscrew and adjusting frame through first rotation regulation jackscrew and second rotation regulation jackscrew, guarantee the stability that adjusting frame 3 and supporting seat 2 are connected.
Specifically, the distance adjusting holes 31 include a first through hole 312 and a second through hole 311 respectively provided on two opposite rims of the adjusting frame 3 to achieve the reciprocal adjustment of the lens frame 4.
Specifically, the center line of the first through hole 312 coincides with the center line of the second through hole 311 to prevent the tilt of the lens frame 4 from affecting the adjustment accuracy of the lens frame 4.
Further, referring to fig. 1, fig. 4 and fig. 5, as an embodiment of the cylindrical lens support according to the present invention, a plurality of first connection holes 224 and a plurality of second connection holes 35 are respectively disposed on two adjacent frames of the adjustment frame 3, so that the fixing screws can connect different frames of the adjustment frame 3 with the support base 2, thereby making the connection between the adjustment frame 3 and the support base 2 more stable and improving the precision of adjusting the rotation of the adjustment frame 3.
Specifically, the first connection hole 224 and the second connection hole 35 are both provided in two in the present 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 supporting seat 2 is further provided with a first positioning hole 223 located between the plurality of first connecting holes 224, a positioning jackscrew for abutting against the adjusting frame 3 is inserted into the first positioning hole 223, the adjusting frame 3 is abutted by the first rotating adjusting jackscrew, the second rotating adjusting jackscrew and the positioning jackscrew, and the principle that a triangle has stability is utilized to maintain the stability of the connection between the adjusting frame 3 and the supporting seat 2, so as to improve the stability and the precision of the 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 used as a base point to rotate so as to realize the rotation base point between the positioning adjusting frame 3 and the supporting seat 2 through the positioning jackscrew.
Further, referring to fig. 4 and 5, as a specific embodiment of the cylindrical lens holder 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 extends into the second positioning hole 34, so that the positioning jackscrew penetrating through the first positioning hole 223 abuts against the second positioning hole 34, and the second positioning hole 34 limits the movement of the positioning jackscrew in the vertical plane, thereby ensuring the stability of the connection between the adjusting frame 3 and 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, fig. 3 and fig. 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 rotation adjusting jackscrew extends into the second vertical adjusting hole 32, so that the first rotation adjusting jackscrew abuts against the second vertical adjusting hole 32, and the second vertical adjusting hole 32 limits the moving range of the first rotation adjusting jackscrew in the vertical plane, thereby improving the stability of the connection between the adjusting frame 3 and the supporting seat 2 and improving the precision of the rotation of the adjusting frame 3.
Further, referring to fig. 1, fig. 3 and fig. 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 transverse adjusting hole 33 corresponding to the first transverse adjusting hole 222, and the second rotary adjusting jackscrew extends into the second transverse adjusting hole 33, so that the second rotary adjusting jackscrew abuts against the second transverse adjusting hole 33, and the second transverse adjusting hole 33 limits the moving range of the second rotary adjusting jackscrew in the vertical plane, thereby improving the stability of the connection between the adjusting frame 3 and the supporting base 2 and improving the precision of the rotation of the adjusting frame 3.
Further, referring to fig. 1, fig. 3 and fig. 4, as an embodiment of the cylindrical lens holder according to the present invention, the first rotating adjusting top thread can vertically move along the hole wall of the second vertical adjusting hole 32, so as to provide a rotation margin for the adjusting frame 3 to rotate around the horizontal axis, and prevent the second vertical adjusting hole 32 from locking the first rotating adjusting top thread when the adjusting frame 3 rotates around the horizontal axis to affect the rotation of the adjusting frame 3.
Specifically, referring to fig. 4, the first vertical adjusting hole 221 is a waist-shaped hole extending along the vertical direction.
Further, referring to fig. 1, fig. 3 and fig. 4, as an embodiment of the cylindrical lens holder according to the present invention, the second rotary adjusting top thread can move transversely along the hole wall of the second transverse 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 transverse adjusting hole 33 from being locked by the second rotary adjusting top thread when the adjusting frame 3 rotates around the vertical axis to affect the rotation of the adjusting frame 3.
Specifically, the diameter of the second transverse adjusting hole 33 is larger than that of the second rotary adjusting jackscrew, the second transverse adjusting hole 33 can compensate for the assembly error between the adjusting frame 3 and the supporting seat 2, and the second rotary adjusting jackscrew is prevented from extending into the second transverse adjusting hole 33 due to the assembly error between the adjusting frame 3 and the supporting seat 2.
Further, referring to fig. 1 and 3, as a specific embodiment of the cylindrical lens support provided by the present invention, the adjusting frame 3 is further provided with a fixing hole 36 extending from the periphery of the adjusting frame 3 toward the distance adjusting hole 31, the fixing hole 36 is communicated with the distance adjusting hole 31, a limiting jackscrew is arranged in the fixing hole 36, and 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 position accuracy of the cylindrical lens 1 is prevented from being affected by the movement of the vertical adjusting jackscrew.
Further, referring to fig. 1, fig. 5 and fig. 6, as a specific embodiment of the cylindrical lens support provided by the present invention, the supporting seat 2 includes a base 21 and a supporting plate 22 disposed on the base 21, the supporting plate 22 is provided with a transverse mounting hole 225, the supporting plate 22 is connected to the base 21 through a first fastening screw passing 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 connection 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 pitch hole 31 extends vertically. Through adjusting first fastening screw along horizontal mounting hole 225 lateral sliding, adjust backup pad 22 for base 21 lateral shifting, cooperate adjusting frame 3 again and rotate around horizontal axle and vertical axle respectively to form the four degrees of freedom of cylindrical lens 1 and adjust, through the cooperation of the rotatory regulation of cylindrical lens 1 and straight line regulation, improve the regulation precision.
Specifically, referring to fig. 5 and 6, the base 21 is further provided with a sliding groove 211, the supporting plate 22 is disposed in the sliding groove 211, and the sliding groove 211 can guide the movement of the supporting plate 22, so that the supporting plate 22 moves along the transverse axis, and the movement stability of the supporting plate 22 can be improved.
Specifically, referring to fig. 5 and 6, the base 21 is provided with a slot wall hole 212, a transverse adjusting jackscrew passes through the slot wall hole 212, and the transverse adjusting jackscrew abuts against the support plate 22 and can drive the support plate 22 to move transversely. The supporting plate 22 can be locked by the transverse adjusting jackscrew, the transverse movement of the supporting plate 22 is limited, and the supporting plate 22 is fixed on the base 21 through the sliding groove 211, the first fastening screw and the transverse adjusting jackscrew; meanwhile, the transverse adjusting jackscrew can also play a role in fine adjustment of 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, one end of the supporting plate 22 for connecting the adjusting frame 3 is provided with a notch to avoid the light emitted from the cylindrical lens 1.
Further, referring to fig. 1, fig. 5 and fig. 6, as a specific embodiment of the cylindrical lens bracket according to the present invention, a longitudinal mounting hole 213 is formed in the base 21, and is used for a second fastening screw to fix the base 21 on the supporting platform, and for the second fastening screw in an unscrewed state to longitudinally slide, and by adjusting the second fastening screw to longitudinally slide along the longitudinal mounting hole 213, the five-degree-of-freedom adjustment of the cylindrical lens 1 is implemented in cooperation with the lateral movement of the supporting plate 22, the vertical movement of the frame 4, and the rotation of the adjusting frame 3 around the lateral axis and the vertical axis, respectively, so as to improve the adjustment accuracy of the cylindrical lens 1; the five-degree-of-freedom cylindrical lens 1 can be adjusted only by adjusting common parts (such as jackscrews, springs and screws) in the mechanical field.
Specifically, the longitudinal mounting hole 213 is a kidney-shaped hole.
Further, referring to fig. 1 and 7, as a specific embodiment of the cylindrical lens support of the present invention, the cylindrical lens support further includes a pressing plate 5 fixed on the adjusting frame 3, wherein the pressing plate 5 is used for pressing the lens frame 4 into 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 pressure 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 pressure plate 5 is prevented from blocking the light emitted from the cylindrical lens 1.
Further, referring to fig. 1 and 7, as a specific embodiment of the cylindrical lens support provided by the present invention, a groove 51 is formed on the pressing plate 5, and an elastic member for pressing the lens frame 4 is embedded in the groove 51, so as to press the lens frame 4 against the adjusting frame 3, thereby ensuring 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 frame 4 is stepped, and the cylindrical lens 1 is adhered to the inner wall of the frame 4 to ensure that the cylindrical lens 1 is firmly and stably fixed on the 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 through the stepped inner wall and the pressing plate 5.
Specifically, the first vertical adjusting hole 221, the first horizontal adjusting hole 222, the first positioning hole 223, the second connecting hole 35, the distance adjusting hole 31, the fixing hole 36 and the groove 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 an adjusting method of 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: a first rotary adjusting jackscrew penetrating through the first vertical adjusting hole 221 is adjusted, so that the adjusting frame 3 rotates around the transverse shaft
S30: adjusting a second rotary adjusting jackscrew penetrating through the first transverse adjusting hole 222 to enable the adjusting frame 3 to rotate around the vertical shaft;
s40: the vertical adjusting jackscrew penetrating through the distance adjusting hole 31 is adjusted, so that the spectacle frame 4 moves along the central line direction of the distance adjusting hole 31 in a vertical plane.
According to the cylindrical lens adjusting method provided by the invention, the elasticity of the spring driving the supporting seat 2 to be close to the adjusting frame 3 is reduced by unscrewing the fixing screw penetrating through the first connecting hole 224, 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 screw-in 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 the picture frame 4 is driven to linearly move along the vertical shaft in a vertical plane by adjusting the vertical adjusting jackscrew penetrating through the distance adjusting hole 31, so that three-degree-of-freedom adjustment of the cylindrical lens 1 is realized, and the adjusting precision of the cylindrical lens 1 is improved by combining the rotary adjustment and the linear adjustment of the cylindrical lens 1.
Specifically, step S10 precedes steps S20 and S30 to ensure that the jackscrews inserted through the first vertical adjustment hole 221 and the first lateral adjustment hole 222 have a certain amount of movement; the step S20 and the step S30 are not in sequence; step S40 is performed independently of step S10, step S20, and step S30.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Cylindrical lens support, its characterized in that: the adjustable cylindrical lens frame comprises a supporting seat, an adjusting frame and a lens frame for fixing a cylindrical lens, wherein the lens frame is arranged in the adjusting frame;
the supporting 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 penetrates through the distance adjusting hole, and the vertical adjusting jackscrew is abutted to the mirror frame;
the supporting seat and the adjusting frame are connected through fixing screws penetrating through the first connecting hole and the second connecting hole, springs are sleeved on the fixing screws, and the springs are used for driving the supporting seat to be close to the adjusting frame;
a first rotary adjusting jackscrew used for abutting against the adjusting frame penetrates through the first vertical adjusting hole;
and a second rotary adjusting jackscrew used for abutting against the adjusting frame penetrates through the first transverse adjusting hole.
2. The cylindrical lens holder of claim 1, wherein: the first connecting holes and the second connecting holes are multiple, and the second connecting holes are respectively formed in two adjacent frames of the adjusting frame.
3. The cylindrical lens holder of claim 2, wherein: still be equipped with on the supporting seat and be located a plurality of first locating hole between the first connecting hole, wear to be equipped with in the first locating hole and be used for the butt adjust the frame's location jackscrew.
4. The cylindrical lens holder of claim 3, wherein: the adjusting frame is further provided with a second positioning hole corresponding to the first positioning hole, and the positioning jackscrew penetrates through the first positioning hole and extends into the second positioning hole.
5. The cylindrical lens holder according to claim 3 or 4, 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 extends into the second vertical adjusting hole;
and 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 extends into the second transverse adjusting hole.
6. The cylindrical lens holder of claim 5, 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.
7. The cylindrical lens holder of 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 abutting against the vertical adjusting jackscrew and limiting the vertical movement of the vertical adjusting jackscrew.
8. The cylindrical lens holder of claim 7, wherein: 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 and the base are connected through a first fastening screw penetrating through the transverse mounting hole and the base, and the first fastening screw in an unscrewed state can transversely slide along the transverse mounting hole;
the first connecting hole, the first vertical adjusting hole and the first transverse adjusting hole are formed in the supporting plate;
the central line of the distance adjusting hole extends along the vertical direction.
9. The cylindrical lens holder of claim 8, wherein: the base is provided with a longitudinal mounting hole for a second fastening screw to fix the base on the support table and longitudinally slide from the second fastening screw in an unscrewing state.
10. A method of adjusting a cylindrical lens, comprising: the method comprises the following steps:
loosening the fixing screw penetrating through the first connecting hole to enable the spring sleeved on the fixing screw to drive the supporting seat to be close to the elastic force of the adjusting frame to be reduced;
adjusting a first rotary adjusting jackscrew penetrating through a first vertical adjusting hole to enable the adjusting frame to rotate around a transverse shaft
Adjusting a second rotary adjusting jackscrew penetrating through the first transverse adjusting hole to enable the adjusting frame to rotate around the vertical shaft;
and adjusting the vertical adjusting jackscrew penetrating through the distance adjusting hole to ensure that the picture frame moves along the direction of the central line of the distance adjusting hole in a vertical plane.
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