CN217786506U - Detection equipment for telescope lens - Google Patents

Abstract

The utility model belongs to the technical field of telescope lens processing, especially, be a check out test set for telescope lens, including light source and light screen, a check out test set for telescope lens still includes: a detection table, on which a light shielding plate is installed and which has a degree of freedom of movement in a horizontal direction; the detection station is positioned between the light source and the light shielding plate and comprises a placing table, and the placing table is installed above the detection table and has a moving degree of freedom in the vertical direction; the utility model discloses a detection equipment of telescope lens, light screen set up to be adjustable for the interval of detection station, are applicable to the lens to detect different specifications, guarantee that the facula that refracts on the light screen has enough big size, are favorable to the inspector to observe the facula quality accurately, have improved the accuracy of detecting; the height of the detection station is adjustable, the central position of the lens can be reliably irradiated by the light source, and the detection accuracy is improved.

Description

Detection equipment for telescope lens

Technical Field

The utility model belongs to the technical field of telescope lens processing, concretely relates to check out test set for telescope lens.

Background

The telescope is an optical instrument for observing a remote object by using a lens or a reflector and other optical devices, and the telescope is also called a kilo-mile lens because light rays passing through the lens are refracted or reflected by a concave mirror to enter a small hole and be converged to form an image and then are seen through a magnifying eyepiece, so that the lens is a core part in the telescope.

Before the telescope lens processing is accomplished and is put into use, must detect the quality of telescope lens, objective is the main lens of telescope, it utilizes be the light refraction principle, project object far away in the telescope, when detecting the quality of objective, also utilized above-mentioned principle equally, because objective is a convex lens, for normal objective, after light passes the objective, can form circular facula on the object in rear, and gather into a bit in the focus position, therefore, traditional detection mode then utilizes light source vertical irradiation objective lens, set up the light screen at objective lens's opposite side, judge the quality of objective lens through the circular degree of observing the facula, if the facula is smooth circle, then indicate that the quality of objective reaches standard, otherwise then be the wastrel.

However, the conventional detection device cannot be adjusted according to actual detection requirements, because different convex degrees of the objective lens are different, the focal positions of the objective lens are different, the sizes of formed light spots are different, the light spots cannot be adjusted to cause different sizes, and the circular degree cannot be accurately judged for smaller light spots, so that the detection accuracy is affected.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a check out test set for telescope lens has convenient to use, easily adjusts and detect the characteristics that the precision is high.

In order to achieve the above object, the utility model provides a following technical scheme: a detection apparatus for a telescopic lens, comprising a light source and a mask, the detection apparatus for a telescopic lens further comprising:

the light shielding plate is arranged above the detection table and has a moving degree of freedom in the horizontal direction, and the light source is arranged above the detection table and is opposite to the light shielding plate;

the detection station is located between the light source and the light screen, and the detection station is including placing the platform, it installs to place the platform detect bench side and have the degree of freedom of movement of vertical direction, the top surface of placing the platform is V type groove, just the inner wall in V type groove has been seted up the standing groove and has been used for pegging graft the telescope lens that awaits measuring.

As a preferred technical solution of the present invention, the inspection device further comprises a guide slider and a threaded post, wherein a guide sliding hole is formed in the inspection table, the bottom end of the light screen is fixed with the guide slider which runs through the guide sliding hole, the threaded post is transversely erected in the guide sliding hole through a bearing support, and the threaded post runs through the guide slider and is connected with the guide slider in a threaded screwing manner; the bottom of the light screen is also fixed with a limiting slide block, and the detection table is also provided with a limiting slide hole for the limiting slide block to run through.

As a preferred technical scheme of the utility model, the utility model also comprises a bidirectional threaded rod, two sliding seats and a turning support rod, wherein the two sliding seats and the two groups of turning support rods are symmetrically distributed, the top end of the turning support rod is hinged with the placing platform, and the bottom end of the turning support rod is hinged with the corresponding sliding seat; the top surface of examining test table still is fixed with two symmetric distribution's fixed block, two-way threaded rod passes through the bearing and supports transversely to erect two between the fixed block, just two-way threaded rod runs through the sliding seat and through the screw thread close mode with the sliding seat links to each other.

As an optimal technical scheme of the utility model, still include V-arrangement splint, limiting plate, operation piece and reset spring, the V-arrangement splint are located in the standing groove, just the outer wall of V-arrangement splint is fixed with the connecting rod, the one end that the V-arrangement splint were kept away from to the connecting rod extends to the V-arrangement groove outside and running through behind the limiting plate with operation piece fixed connection the limiting plate with be fixed with the erection short column between the V-arrangement groove be fixed with the spacing ring on the connecting rod, the reset spring cover is established just be in on the connecting rod the limiting plate with between the spacing ring.

As a preferred technical scheme of the utility model, the device further comprises a lower supporting seat, an upper clamping seat and a telescopic spring, wherein the lower supporting seat is fixed on the top surface of the detection table, the upper clamping seat is positioned right above the lower supporting seat, and semicircular clamping grooves for mounting a light source are respectively arranged on the top surface of the lower supporting seat and the bottom surface of the upper clamping seat; a guide upright post penetrating through the upper clamping seat is fixed on the top surface of the lower supporting seat, a limiting disc is fixed on the top end of the guide upright post, and the telescopic spring is sleeved on the guide upright post and positioned between the top surface of the upper clamping seat and the limiting disc; and a handle is also arranged on the top surface of the upper clamping seat.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a detection equipment of telescope lens, light screen set up to be adjustable for the interval of detection station, are applicable to the lens to detect different specifications, guarantee that the facula that refracts on the light screen has enough big size, are favorable to the inspector to observe the facula quality accurately, have improved the accuracy of detecting; the height of the detection station is adjustable, the central position of the lens can be reliably irradiated by the light source, and the detection accuracy is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the inspection station of FIG. 1 according to the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

in the figure: 1. a detection table; 2. detecting a station; 3. a light source; 4. a visor; 5. a lower support seat; 6. an upper clamping seat; 7. a clamping groove; 8. a guide slide hole; 9. a guide slider; 10. a threaded post; 11. a limiting slide hole; 12. a limiting slide block; 13. a placing table; 14. a V-shaped groove; 15. a placement groove; 16. a V-shaped splint; 17. a limiting plate; 18. mounting a short column; 19. a connecting rod; 20. an operation sheet; 21. a limiting ring; 22. a return spring; 23. a guide upright post; 24. a limiting disc; 25. a tension spring; 26. a handle; 27. a fixed block; 28. a bidirectional threaded rod; 29. a sliding seat; 30. the supporting rod is turned over.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a detection apparatus for a telescopic lens, comprising a light source 3 and a mask 4, the detection apparatus for a telescopic lens further comprising: the utility model discloses still include direction slider 9 and screw post 10, seted up direction slide opening 8 on examining test table 1, be fixed with the direction slider 9 that runs through direction slide opening 8 and set up at the bottom of light screen 4, screw post 10 transversely erects in direction slide opening 8 through bearing support, and screw post 10 runs through direction slider 9 and is connected with direction slider 9 through the screw thread closure mode, the utility model discloses still include lower support seat 5, upper grip slipper 6 and expanding spring 25, lower support seat 5 is fixed at examining test table 1 top surface, upper grip slipper 6 is located directly over lower support seat 5, and semicircular centre gripping groove 7 is all seted up for installing light source 3 in the top surface of lower support seat 5 and the bottom surface of upper grip slipper 6; a guide upright column 23 penetrating through the upper clamping seat 6 is fixed on the top surface of the lower supporting seat 5, a limiting disc 24 is fixed on the top end of the guide upright column 23, and an expansion spring 25 is sleeved on the guide upright column 23 and is positioned between the top surface of the upper clamping seat 6 and the limiting disc 24; a handle 26 is also arranged on the top surface of the upper clamping seat 6; the detection device comprises a detection station 2, wherein the detection station 2 is positioned between a light source 3 and a light screen 4, the detection station 2 comprises a placing table 13, the placing table 13 is arranged above the detection table 1 and has a moving freedom degree in a vertical direction, the top surface of the placing table 13 is a V-shaped groove 14, and a placing groove 15 is formed in the inner wall of the V-shaped groove 14 and is used for inserting a telescope lens to be detected, the detection device also comprises a bidirectional threaded rod 28, a sliding seat 29 and a turning support rod 30, the two sliding seats 29 and the two groups of turning support rods 30 are symmetrically distributed, the top end of the turning support rod 30 is hinged with the placing table 13, and the bottom end of the turning support rod 30 is hinged with the corresponding sliding seat 29; the top surface of the detection table 1 is further fixed with two fixed blocks 27 which are symmetrically distributed, a bidirectional threaded rod 28 is transversely erected between the two fixed blocks 27 through a bearing support, the bidirectional threaded rod 28 penetrates through a sliding seat 29 and is connected with the sliding seat 29 in a threaded screwing mode, in addition, the detection table further comprises a V-shaped clamping plate 16, a limiting plate 17, an operation sheet 20 and a return spring 22, the V-shaped clamping plate 16 is positioned in a placing groove 15, a connecting rod 19 is fixed on the outer wall of the V-shaped clamping plate 16, one end, far away from the V-shaped clamping plate 16, of the connecting rod 19 extends to the outer side of a V-shaped groove 14 and is fixedly connected with the operation sheet 20 after penetrating through the limiting plate 17, a mounting short column 18 is fixed between the limiting plate 17 and the V-shaped groove 14, a limiting ring 21 is fixed on the connecting rod 19, the return spring 22 is sleeved on the connecting rod 19 and is positioned between the limiting plate 17 and the limiting ring 21, when the detection table is used, the upper clamping seat 6 is pulled upwards through a handle 26, the upper clamping seat 6 is moved upwards and compressed to clamp the lower clamping seat 3 under the elastic force of the lower supporting seat 5, and the lower supporting seat 3 is ensured; the operation piece 20 is pulled outwards, the operation piece 20 drives the V-shaped clamping plate 16 to move by utilizing the connecting rod 19, the limiting ring 21 moves and cooperates with the limiting plate 17 to compress the reset spring 22, the lower end of the objective lens to be detected is inserted in the placing groove 15, the operation piece 20 is loosened, the reset spring 22 releases elasticity, the V-shaped clamping plate 16 resets and cooperates with the inner wall of the placing groove 15 to clamp the objective lens to be detected, and the stability of the lens is ensured; then, the bidirectional threaded rod 28 is rotated as required, under the screwing action of the threads, the two sliding seats 29 are enabled to be close to the inner side or far away from the outer side, and meanwhile, the two groups of overturning supporting rods 30 are driven to overturn and move for adjusting the height of the placing table 13, so that the centers of the lenses are opposite to the light source 3; open light source 3, light source 3 sends light towards the lens, and light produces the refraction after passing the lens to form the facula on light screen 4, because convex lens has the effect of spotlight, rotatory screw thread post 10 this moment makes it drive light screen 4 through direction slider 9 and remove under the screw thread closes the effect soon, adjusts the interval of light screen 4 and lens, until can be more clear observation facula quality can.

Specifically, as shown in fig. 1, in this embodiment, a limiting slider 12 is further fixed at the bottom end of the light shielding plate 4, a limiting sliding hole 11 through which the limiting slider 12 penetrates is further formed in the inspection table 1, and when the light shielding plate 4 moves, the limiting slider 12 is driven to move along the limiting sliding hole 11, so that the light shielding plate is more stable.

The utility model discloses a theory of operation and use flow: when the detection equipment for the telescope lens is used, the upper clamping seat 6 is pulled up through the handle 26, the upper clamping seat 6 moves upwards and compresses the expansion spring 25, the light source 3 is placed in the clamping groove 7 on the top surface of the lower supporting seat 5, after the handle 26 is loosened, the upper clamping seat 6 resets and is matched with the lower supporting seat 5 to clamp the light source 3 under the elastic action of the expansion spring 25, and the stability of the light source 3 is ensured;

then the operation sheet 20 is pulled outwards, the operation sheet 20 drives the V-shaped clamping plate 16 to move by utilizing the connecting rod 19, the limiting ring 21 moves and cooperates with the limiting plate 17 to compress the reset spring 22, the lower end of the objective lens to be detected is inserted in the placing groove 15, the operation sheet 20 is loosened, the reset spring 22 releases elasticity, the V-shaped clamping plate 16 resets and cooperates with the inner wall of the placing groove 15 to clamp the objective lens to be detected, and the stability of the lens is ensured;

then, the bidirectional threaded rod 28 is rotated as required, under the screwing action of the threads, the two sliding seats 29 are enabled to be close to the inner side or far away from the outer side, and meanwhile, the two groups of overturning supporting rods 30 are driven to overturn and move for adjusting the height of the placing table 13, so that the centers of the lenses are opposite to the light source 3;

open light source 3 at last, light source 3 sends light towards the lens, and light produces the refraction after passing the lens to form the facula on light screen 4, because convex lens has the effect of spotlight, rotatory screw thread post 10 this moment makes it drive light screen 4 through direction slider 9 and remove under the screw thread closes the effect soon, adjusts the interval of light screen 4 and lens, until can be more clear observation facula quality can.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, and the two elements may be connected through an intermediate medium.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. A detection device for telescope lenses, comprising a light source (3) and a shutter plate (4), characterized in that: the inspection apparatus for a telescopic lens further comprises:

the inspection table (1), the light shielding plate (4) is installed above the inspection table (1) and has a moving degree of freedom in the horizontal direction, and the light source (3) is installed above the inspection table (1) and is opposite to the light shielding plate (4);

detect station (2), detect station (2) are located light source (3) with between light screen (4), just detect station (2) are including placing platform (13), place platform (13) and install detect platform (1) top and have the degree of freedom of movement of vertical direction, the top surface of placing platform (13) is V type groove (14), just is in place groove (15) are seted up to the inner wall of V type groove (14) and are used for pegging graft the telescope lens that waits to detect.

2. A detection apparatus for a telescope lens according to claim 1, characterised in that: the detection device is characterized by further comprising a guide sliding block (9) and a threaded column (10), a guide sliding hole (8) is formed in the detection platform (1), the guide sliding block (9) penetrating through the guide sliding hole (8) is fixed at the bottom end of the light shielding plate (4), the threaded column (10) is transversely erected in the guide sliding hole (8) through a bearing support, and the threaded column (10) penetrates through the guide sliding block (9) and is connected with the guide sliding block (9) in a threaded screwing mode; the bottom end of the light screen (4) is also fixed with a limiting slide block (12), and the detection table (1) is also provided with a limiting slide hole (11) for the limiting slide block (12) to penetrate through.

3. A detection apparatus for a telescope lens according to claim 1, characterized in that: the turnover device is characterized by further comprising a bidirectional threaded rod (28), sliding seats (29) and turnover supporting rods (30), wherein the two sliding seats (29) and the two groups of turnover supporting rods (30) are symmetrically distributed, the top ends of the turnover supporting rods (30) are hinged to the placing table (13), and the bottom ends of the turnover supporting rods (30) are hinged to the corresponding sliding seats (29); the top surface of examining test table (1) still is fixed with two fixed blocks (27) of symmetric distribution, two-way threaded rod (28) are supported through the bearing and are transversely erect two between fixed block (27), just two-way threaded rod (28) run through sliding seat (29) and through the screw thread closure mode with sliding seat (29) link to each other.

4. A detection apparatus for a telescope lens according to claim 1, characterized in that: still include V-arrangement splint (16), limiting plate (17), operation piece (20) and reset spring (22), V-arrangement splint (16) are located in standing groove (15), and the outer wall of V-arrangement splint (16) is fixed with connecting rod (19), the one end that V-arrangement splint (16) were kept away from in connecting rod (19) extends to V type groove (14) outside is running through limiting plate (17) back with operation piece (20) fixed connection limiting plate (17) with be fixed with erection short column (18) between V type groove (14) be fixed with spacing ring (21) on connecting rod (19), reset spring (22) cover is established on connecting rod (19) and be in limiting plate (17) with between spacing ring (21).

5. A detection apparatus for a telescope lens according to claim 1, characterised in that: the device is characterized by further comprising a lower supporting seat (5), an upper clamping seat (6) and a telescopic spring (25), wherein the lower supporting seat (5) is fixed on the top surface of the detection table (1), the upper clamping seat (6) is positioned right above the lower supporting seat (5), and semicircular clamping grooves (7) are formed in the top surface of the lower supporting seat (5) and the bottom surface of the upper clamping seat (6) and used for mounting a light source (3); a guide upright post (23) penetrating through the upper clamping seat (6) is fixed on the top surface of the lower supporting seat (5), a limiting disc (24) is fixed on the top end of the guide upright post (23), and the telescopic spring (25) is sleeved on the guide upright post (23) and is positioned between the top surface of the upper clamping seat (6) and the limiting disc (24); a handle (26) is also arranged on the top surface of the upper clamping seat (6).

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