CN213932405U - Positioning mechanism for measuring bus offset of cylindrical lens - Google Patents
Positioning mechanism for measuring bus offset of cylindrical lens Download PDFInfo
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- CN213932405U CN213932405U CN202023164758.9U CN202023164758U CN213932405U CN 213932405 U CN213932405 U CN 213932405U CN 202023164758 U CN202023164758 U CN 202023164758U CN 213932405 U CN213932405 U CN 213932405U
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- positioning surface
- positioning
- mounting seat
- offset
- cylindrical lens
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Abstract
The utility model discloses a measure positioning mechanism of cylinder lens generating line offset, include: the base is provided with a horizontal first positioning surface and a vertical second positioning surface, the second positioning surface is arranged at the upper end of the first positioning surface, the first positioning surface is provided with a through groove, the through groove penetrates through the base downwards, and the channel direction of the through groove is vertical to or parallel to the second positioning surface; the clamping part can be movably installed on the base along the direction perpendicular to the second positioning surface and is arranged opposite to the second positioning surface, and one end, close to the second positioning surface, of the clamping part is provided with a clamping surface parallel to the second positioning surface. The utility model discloses can fix a position the cylinder lens through the right angle location structure that first locating surface, second locating surface formed, the rethread clamping part presss from both sides tightly fixedly to the light path that is used for the eccentric appearance through leading to the groove passes through, thereby effectively accomplishes the location of cylinder lens, and then ensures the accurate measurement of generating line offset.
Description
Technical Field
The utility model relates to a lens measuring device, in particular to measure positioning mechanism of cylinder lens generating line offset.
Background
Cylindrical mirrors are mainly used for changing the design requirements of the size of the image, such as converting a spot into a line spot, or changing the height of the image without changing the width of the image. The method can be applied to linear detector illumination, bar code scanning, holographic illumination, optical information processing, computers and laser emission. The cylindrical mirror surface is formed by enveloping an arc R along a straight line, the straight line formed by the circle center of the arc is called as a bus, and the deviation of the bus relative to an optical axis has a critical influence on imaging, so that the deviation of the bus needs to be measured. At present, the cylindrical lens is applied to lens imaging in a few cases, and no mature detection scheme is available for reference, so that the development of a positioning mechanism capable of measuring the bus offset of the cylindrical lens has great significance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a measure positioning mechanism of cylinder lens generating line offset can carry out the centre gripping location to the cylinder lens, conveniently measures the generating line offset.
According to the utility model discloses measure positioning mechanism of cylinder lens generating line offset, include:
the base is provided with a horizontal first positioning surface and a vertical second positioning surface, the second positioning surface is arranged at the upper end of the first positioning surface, the first positioning surface is provided with a through groove, the through groove penetrates through the base downwards, and the channel direction of the through groove is vertical to or parallel to the second positioning surface;
the clamping part can be movably arranged on the base in the direction perpendicular to the second positioning surface and is opposite to the second positioning surface, and one end, close to the second positioning surface, of the clamping part is provided with a clamping surface parallel to the second positioning surface.
According to the utility model discloses an embodiment has following technological effect at least:
the utility model discloses can fix a position the cylinder lens through the right angle location structure that first locating surface, second locating surface formed, the rethread clamping part presss from both sides tightly fixedly, perhaps fixes a position through the clamping part and ensures that first locating surface, second locating surface are hugged closely to the cylinder lens to the light path that is used for the eccentric appearance through leading to the groove passes through, thereby effectively accomplishes the location of cylinder lens, and then ensures the accurate measurement of generating line offset.
According to some embodiments of the utility model, the base in the relative direction of second locating surface is provided with the mount pad, the clamping part install in on the mount pad.
According to the utility model discloses a few embodiments, the clamping part is provided with a plurality of elasticity thimbles, elasticity thimble install in just both ends extend in on the mount pad the both sides of mount pad, the perpendicular to can be followed at the both ends of elasticity thimble the direction of second locating surface removes, dislocation distribution makes and is close to about dislocation and/or around the elasticity thimble the one end of second locating surface forms the clamping face.
According to some embodiments of the utility model, all the elasticity thimble is kept away from the one end of second locating surface is installed on same regulating plate, so as to be used for passing through the regulating plate is adjusted simultaneously the elasticity thimble is close to the position of the one end of second locating surface.
According to some embodiments of the utility model, the elasticity thimble is provided with reset structure, reset structure is used for keeping the elasticity thimble is close to under the normality the second locating surface.
According to some embodiments of the utility model, the elasticity thimble can follow the perpendicular to the direction removal of second locating surface is installed adjustably in on the regulating plate.
According to the utility model discloses a some embodiments, many slots of parallel arrangement on the regulating plate, the elasticity thimble corresponds the slot is provided with the joint portion of adaptation, the perpendicular to can be followed to joint portion the direction of second locating surface install with adjusting in on the elasticity thimble.
According to some embodiments of the utility model, the mount pad is along being on a parallel with the direction of first locating surface is provided with the multiunit mounting hole, the mounting hole is used for wearing to establish elasticity thimble.
According to some embodiments of the utility model, the base includes that vertical first mount pad and level are fixed in the second mount pad of first mount pad lower extreme, first locating surface set up in the up end of second mount pad, and the second mount pad in the both sides of first locating surface are provided with the level and are less than the first shaping surface of first locating surface, the second locating surface set up in first mount pad is close to the one end of second mount pad, just first mount pad in the both sides of second locating surface are provided with the second shaping surface, the second locating surface for second shaping surface salient in the surface of first mount pad, first mount pad in be provided with the pilot hole on the second shaping surface.
According to some embodiments of the utility model, the lower extreme of base is provided with the assembly groove, and the base corresponds the assembly groove is provided with the hand and twists the bolt.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, 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 otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the utility model provides a measure positioning mechanism of cylinder lens generating line offset, include:
a base 100, wherein the base 100 is provided with a horizontal first positioning surface 300 and a vertical second positioning surface 200, the second positioning surface 200 is arranged at the upper end of the first positioning surface 300, the first positioning surface 300 is provided with a through groove (not shown in the figure due to the shielding relation), the through groove penetrates through the base 100 downwards, and the channel direction of the through groove is vertical to or parallel to the second positioning surface 200;
and a clamping portion movably mounted on the base 100 in a direction perpendicular to the second positioning surface 200 and disposed opposite to the second positioning surface 200, wherein a clamping surface parallel to the second positioning surface 200 is disposed at one end of the clamping portion close to the second positioning surface 200.
The utility model discloses can fix a position the cylinder lens through the right angle location structure that first locating surface 300, second locating surface 200 formed, the rethread clamping part presss from both sides tightly fixedly, perhaps fixes a position through the clamping part and ensures that the cylinder lens hugs closely first locating surface 300, second locating surface 200 to the light path that is used for the eccentric appearance through leading to the groove passes through, thereby effectively accomplishes the location of cylinder lens, and then ensures the accurate measurement of generating line offset.
In some embodiments of the present invention, the base 100 is provided with a mounting seat 104 in the opposite direction of the second positioning surface 200, and the clamping portion is mounted on the mounting seat 104, so as to facilitate the mounting and moving adjustment of the clamping portion.
In some embodiments of the present invention, the clamping portion is provided with a plurality of elastic pins 105, the elastic pins 105 are installed on the mounting seat 104, and both ends of the elastic pins 105 extend to both sides of the mounting seat 104, the two ends of the elastic pins 105 can move along the direction perpendicular to the second positioning surface 200, and the elastic pins 105 are vertically and/or front and back staggered to form a clamping surface near the second positioning surface 200. The resilient thimble 105 may be of a corresponding construction known in the art. The cylindrical lens is supported by the elastic thimbles 105, so that the positioning precision can be ensured, the cylindrical lens can be prevented from being damaged, and the practicability is high.
In some embodiments of the present invention, one end of all the elastic pins 105 far away from the second positioning surface 200 is installed on the same adjusting plate 106, so as to adjust the position of the end of the elastic pin 105 near the second positioning surface 200 through the adjusting plate 106.
Specifically, in some embodiments of the present invention, the elastic thimble 105 is provided with a reset structure, and the reset structure is used to keep the elastic thimble 105 close to the second positioning surface 200 in a normal state. Therefore, during operation, the end of the elastic thimble 105 can be controlled to be away from the second positioning surface 200 only by pulling the adjusting plate 106 outwards, so that the cylindrical lens can be conveniently placed in, and then the cylindrical lens can be automatically clamped by loosening the adjusting plate 106.
In some embodiments of the present invention, the elastic thimble 105 can be movably and adjustably mounted on the adjusting plate 106 along a direction perpendicular to the second positioning surface 200, so as to adjust an initial state of the elastic thimble 105.
In one embodiment, the elastic thimble 105 includes a sleeve and a rod portion disposed through the sleeve, two ends of the rod portion extend out from two ends of the sleeve, and a return spring is disposed between the rod portion and the sleeve. The sleeve is mounted on the mounting 104 and the adjustment plate 106 abuts the end of the sleeve under the action of a return spring. Through the adjustment, the distance between one end of the rod part close to the second positioning surface 200 and the second positioning surface 200 in the initial state can be adjusted.
In some embodiments of the present invention, a plurality of slots 107 are disposed in parallel on the adjusting plate 106, the elastic thimble 105 is provided with a joint portion corresponding to the slot 107, and the joint portion can be adjustably mounted on the elastic thimble 105 along the direction perpendicular to the second positioning surface 200. The clamping part can be connected with the rod part in the previous embodiment through threads so as to realize axial adjustment. The quick assembly and disassembly between the adjusting plate 106 and the elastic thimble 105 can be realized through the arrangement of the slot 107, and the practicability is strong.
In some embodiments of the present invention, the mounting seat 104 is provided with a plurality of mounting holes along a direction parallel to the first positioning surface 300, and the mounting holes are used for penetrating the elastic thimble 105. The number of the mounting holes is greater than the number of the elastic thimbles 105, so that the positions of the elastic thimbles 105 can be adjusted, the cylindrical lenses with different sizes can be conveniently butted, and meanwhile, the slots 107 in the adjusting plate 106 are arranged corresponding to the mounting holes to adapt to the elastic thimbles 105 at different positions.
In some embodiments of the present invention, the base 100 includes a vertical first mounting seat 101 and a second mounting seat 102 horizontally fixed to a lower end of the first mounting seat 101, the first positioning surface 300 is disposed on an upper end surface of the second mounting seat 102, and the second mounting seat 102 is provided with a first molding surface having a lower level than the first positioning surface 300 on two sides of the first positioning surface 300, the second positioning surface 200 is disposed on one end of the first mounting seat 101 close to the second mounting seat 102, and the first mounting seat 101 is provided with second molding surfaces on two sides of the second positioning surface 200, the second positioning surface 200 protrudes out of the surface of the first mounting seat 101 relative to the second molding surface, and the first mounting seat 101 is provided with an assembly hole on the second molding surface. In actual operation, the fixing base 100 can be installed through the assembling hole, and the second molding surface is recessed relative to the second positioning surface 200, so that the positioning accuracy of the second positioning surface 200 is not affected. And above-mentioned structural arrangement can reduce the size design of first locating surface 300, second locating surface 200, and then reduces the production degree of difficulty, reduces manufacturing cost.
In some embodiments of the present invention, the lower end of the base 100 is provided with an assembly groove, and the base 100 is provided with a hand-screwed bolt 103 corresponding to the assembly groove. The assembling groove is used for assembling with an eccentric instrument and is locked and fixed by screwing a bolt 103 by hand.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A positioning mechanism for measuring busbar offset of a cylindrical lens is characterized by comprising:
the base is provided with a horizontal first positioning surface and a vertical second positioning surface, the second positioning surface is arranged at the upper end of the first positioning surface, the first positioning surface is provided with a through groove, the through groove penetrates through the base downwards, and the channel direction of the through groove is vertical to or parallel to the second positioning surface;
the clamping part can be movably arranged on the base in the direction perpendicular to the second positioning surface and is opposite to the second positioning surface, and one end, close to the second positioning surface, of the clamping part is provided with a clamping surface parallel to the second positioning surface.
2. The positioning mechanism for measuring busbar offset of a cylindrical lens according to claim 1, wherein: the base is provided with a mounting seat in the direction opposite to the second positioning surface, and the clamping part is mounted on the mounting seat.
3. The positioning mechanism for measuring busbar offset of a cylindrical lens according to claim 2, wherein: the clamping part is provided with a plurality of elastic thimbles, the elastic thimbles install in on the mount pad and both ends extend in the both sides of mount pad, the both ends of elastic thimbles can be followed the perpendicular to the direction of second locating surface removes, dislocation distribution about and/or around the elastic thimbles makes and is close to the one end of second locating surface forms the clamping face.
4. The positioning mechanism for measuring busbar offset of a cylindrical lens according to claim 3, wherein: all the one end that elasticity thimble kept away from the second locating surface is installed on same regulating plate, in order to be used for passing through the regulating plate is adjusted simultaneously the elasticity thimble is close to the position of the one end of second locating surface.
5. The positioning mechanism for measuring busbar offset of a cylindrical lens according to claim 4, wherein: the elastic thimble is provided with a reset structure, and the reset structure is used for keeping the elastic thimble close to the second positioning surface in a normal state.
6. The positioning mechanism for measuring busbar offset of a cylindrical lens according to claim 4, wherein: the elastic thimble can be movably and adjustably mounted on the adjusting plate in a direction perpendicular to the second positioning surface.
7. The positioning mechanism for measuring busbar offset of a cylindrical lens according to claim 6, wherein: the adjusting plate is provided with a plurality of slots in parallel, the elastic ejector pins correspond to the slots, the slots are provided with adaptive clamping portions, and the clamping portions can be perpendicular to the direction of the second positioning surface and are arranged on the elastic ejector pins in an adjusting mode.
8. The positioning mechanism for measuring busbar offset of a cylindrical lens according to claim 3, wherein: the mounting seat is provided with a plurality of groups of mounting holes along the direction parallel to the first positioning surface, and the mounting holes are used for penetrating the elastic ejector pins.
9. The positioning mechanism for measuring busbar offset of a cylindrical lens according to claim 1, wherein: the base comprises a vertical first mounting seat and a second mounting seat horizontally fixed at the lower end of the first mounting seat, the first positioning surface is arranged on the upper end surface of the second mounting seat, a first molding surface with the horizontal height lower than that of the first positioning surface is arranged on two sides of the first positioning surface of the second mounting seat, the second positioning surface is arranged at one end, close to the second mounting seat, of the first mounting seat, second molding surfaces are arranged on two sides of the second positioning surface of the first mounting seat, the second positioning surface protrudes out of the surface of the first mounting seat relative to the second molding surfaces, and assembling holes are formed in the second molding surfaces of the first mounting seat.
10. The positioning mechanism for measuring busbar offset of a cylindrical lens according to claim 1, wherein: the lower extreme of base is provided with the assembly groove to the base corresponds the assembly groove is provided with the hand and screws up the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023164758.9U CN213932405U (en) | 2020-12-24 | 2020-12-24 | Positioning mechanism for measuring bus offset of cylindrical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023164758.9U CN213932405U (en) | 2020-12-24 | 2020-12-24 | Positioning mechanism for measuring bus offset of cylindrical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213932405U true CN213932405U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023164758.9U Active CN213932405U (en) | 2020-12-24 | 2020-12-24 | Positioning mechanism for measuring bus offset of cylindrical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213932405U (en) |
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2020
- 2020-12-24 CN CN202023164758.9U patent/CN213932405U/en active Active
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