CN217637933U

CN217637933U - Moving group sorting device and detection equipment

Info

Publication number: CN217637933U
Application number: CN202221435458.6U
Authority: CN
Inventors: 王玉琳; 赵代兵; 毛才荧; 陈曙; 聂小丽; 李琳
Original assignee: Dongguan Yutong Optical Technology Co Ltd
Current assignee: Dongguan Yutong Optical Technology Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-10-21
Anticipated expiration: 2032-06-09

Abstract

The utility model belongs to the technical field of the camera lens detects, a move crowd selects other device and check out test set is disclosed, move crowd selects other device and includes fixing base, focus adjusting part and inclination setting element, fixing base and base are used for fixing first benchmark group and second benchmark group respectively, the fixing base is leaned on the base, focus adjusting part can cooperate with the group that detects, inclination setting element can cooperate with the group that detects; the detection equipment comprises the moving group sorting device. The focus adjusting piece can adjust the distance of waiting to detect the group and first benchmark group to can select the different focus wait to detect the group, and the inclination setting element can make and wait to detect the group and be the predetermined contained angle with first benchmark group, thereby the simulation waits to detect the actual installation operating mode of group in the camera lens, can improve the accuracy of selecting the result.

Description

Dynamic group sorting device and detection equipment

Technical Field

The utility model relates to a camera lens detects technical field, especially relates to a move group and select other device and check out test set.

Background

The zoom lens can change focal length in a certain range, thereby obtaining different angles of view with different widths, images with different sizes and different scene ranges. In order to ensure the yield of the zoom lens, the moving group needs to be sorted, and on the one hand, the sorting device in the prior art can only sort the fixed group; on the other hand, the sorting device cannot be attached to the actual installation condition of the moving group in the zoom lens, so that the accuracy of the sorting result is low.

In view of the above situation, it is desirable to design a dynamic group sorting apparatus and a detection device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the dynamic group sorting device can simulate the actual installation working condition of a group to be detected and improve the accuracy of sorting results.

The utility model discloses another aim at: the detection equipment comprises the dynamic group selection device to ensure the accuracy of the detection result.

To achieve the purpose, the utility model adopts the following technical proposal:

in one aspect, a dynamic group sorting apparatus is disclosed, comprising:

the fixing seat is used for fixing the first reference group;

the base is used for placing a second reference group, the fixed seat is supported on the base, and the first reference group and the second reference group are arranged oppositely;

the group to be detected is positioned on one side, away from the second reference group, of the first reference group, and the distance between the group to be detected and the first reference group can be adjusted by the focal length adjusting piece;

and the inclination angle positioning piece can position the group to be detected so as to enable the group to be detected to form a preset included angle with the first reference group.

As a preferable scheme, the focal length adjusting member includes a supporting column, a plurality of supporting columns with different heights are selectively installed on the base and abut against the group to be detected, and the supporting column can support the group to be detected.

As a preferable scheme, the inclination angle positioning element is configured as a first guide shaft, one end of the first guide shaft is connected to the base, and the other end of the first guide shaft is in clearance fit with the positioning hole of the group to be detected.

As a preferable scheme, the first guide shaft is connected to the bottom of the base in a threaded manner, and the first guide shaft penetrates through the base and extends to the group to be detected in a direction close to the fixed seat.

As a preferable scheme, the focal length adjusting member further includes a plurality of spacers with different heights, the spacers are selectively clamped between the supporting column and the base, and the supporting column abuts against and supports the group to be detected.

As a preferred scheme, an avoiding hole is formed in the fixing seat, the first reference group and the avoiding hole are arranged oppositely, and the group to be detected is arranged on the side, deviating from the first reference group, of the fixing seat in the avoiding hole in a penetrating mode and matched with the focal length adjusting piece and the inclination angle positioning piece.

As a preferred scheme, a first mounting groove matched with the second reference group is formed in the base, a development hole is formed in the bottom of the first mounting groove, and the second reference group is placed in the first mounting groove and is arranged opposite to the development hole.

As a preferable scheme, the moving group sorting device further includes a second guide shaft, one end of the second guide shaft is connected to the base, the other end of the second guide shaft penetrates through the second reference group, and the second guide shaft can position the second reference group.

As a preferred scheme, a second mounting groove matched with the fixing seat is formed in the base, a positioning column is inserted into the base, one part of the positioning column is sunken in the side wall of the second mounting groove, an arc-shaped groove matched with the positioning column is formed in the side wall of the fixing seat, when the fixing seat is placed in the second mounting groove, the other part of the positioning column is embedded in the arc-shaped groove, and the positioning column can position the fixing seat.

On the other hand, the detection equipment comprises the moving group sorting device.

The utility model has the advantages that: the utility model provides a move group and select and distinguish device and check out test set, focus adjusting part can adjust and wait to detect the distance of group and first benchmark group to select the group that waits that detects of different focuses, and the inclination setting element can make and wait to detect the group and be the predetermined contained angle with first benchmark group, so as to simulate the actual installation operating mode of waiting to detect the group in the camera lens, then cooperate MTF tester or SFR tester of check out test set, can improve the accuracy of testing result.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

FIG. 1 is an exploded view of a kinetic group sorting apparatus;

FIG. 2 is a cross-sectional view of the kinetic group sorting device;

FIG. 3 is a schematic structural view of the moving group sorting apparatus after the fixing base, the first reference group and the second reference group are disassembled;

FIG. 4 is a schematic structural view illustrating the first reference group mounted on the fixing base;

fig. 5 is a schematic structural diagram of the moving group sorting apparatus.

In fig. 1 to 5:

100. a group to be detected; 200. a first reference group; 300. a second reference group;

1. a fixed seat; 11. a sleeve portion; 111. avoiding holes; 112. a pin shaft; 12. an annular mounting table; 121. an arc-shaped slot;

2. a base; 21. a first mounting groove; 22. a second mounting groove;

3. a support pillar;

4. a first guide shaft;

5. a second guide shaft;

6. a positioning column;

7. diaphragm aperture plate.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the prior art, when a moving group of a zoom lens is selected, a selecting device cannot be attached to the actual installation condition of the group in the zoom lens, so that the selecting result is inaccurate. Based on the problems in the prior art, the embodiment provides a moving group sorting device, which can simulate the actual installation condition of the group 100 to be detected, thereby improving the accuracy of sorting results.

Specifically, as shown in fig. 1 and fig. 2, the moving group sorting device includes a fixed base 1, a base 2, a focus adjuster and an inclination angle positioner, the zoom lens includes a first reference group 200, a second reference group 300 and a group 100 to be inspected, the first reference group 200 and the second reference group 300 are selected from good lenses, the fixed base 1 includes a sleeve portion 11 and an annular mounting table 12 which are integrally formed, the first reference group 200 is fixed to the sleeve portion 11 of the fixed base 1, the annular mounting table 12 of the fixed base 1 is supported on the base 2, the second reference group 300 is supported on the base 2, the first reference group 200 is spaced from and disposed opposite to the second reference group 300, the focus adjuster can be fitted to the group 100 to be inspected so that the group 100 to be inspected is located on a side of the first reference group 200 away from the second reference group 300 and is spaced from the first reference group 200, the focus adjuster can adjust a distance between the group 100 to be inspected and the first reference group 200, that the inclination angle positioner can be fitted to the group 100 to be inspected, it can be understood that the group 100 to be inspected and the first reference group 100 and the second reference group 100 to be inspected can not be inspected and the inclination angle positioner can be mounted in parallel to the actual reference group 100 to be inspected. When the group 100 to be detected is selected, the group 100 to be detected and the first reference group 200 are adjusted to a short focal length section, a middle focal length section or a long focal length section by using the focal length adjusting member, and specifically, the group 100 to be detected and the first reference group 200 can be adjusted to a short focal length section by using the focal length adjusting member if the imaging quality of the group 100 to be detected in the short focal length section is unstable, the group 100 to be detected and the first reference group 200 can be adjusted to the middle focal length section by using the focal length adjusting member if the imaging quality of the group 100 to be detected in the middle focal length section is unstable, and the group 100 to be detected and the first reference group 200 can form a preset included angle by using the inclination angle positioning member, so as to simulate the actual installation condition of the group 100 to be detected in a lens, and cooperate with an MTF tester or an SFR tester, the group 100 to be detected serves as an objective lens end, and the second reference group 300 serves as a display end, so that the imaging quality of the group 100 to be detected can be determined, and the group 100 to be selected, and the accuracy of the selection result can be improved.

Preferably, a diaphragm aperture plate 7 is glued to a side of the first reference group 200 close to the second reference group 300, and the diaphragm aperture plate 7 is added to ensure the illuminance of the sensor and the sharpness of the MTF peak.

In this embodiment, as shown in fig. 2 and 3, the focal length adjusting element includes a supporting column 3, a plurality of supporting columns 3 with different heights are respectively disposed corresponding to the short focal length section, the middle focal length section and the long focal length section, one end of the supporting column 3 is embedded on the base 2, and the other end of the supporting column 3 abuts against the group 100 to be detected, preferably, the position of the group 100 to be detected abutted by the supporting column 3 is the same as the connection position of the group 100 to be detected in the zoom lens, and the supporting column 3 can support the group 100 to be detected so that the group 100 to be detected and the first reference group 200 are disposed at intervals, which is simple in structure. It will be appreciated that when it is desired to adjust the spacing between the group 100 to be inspected and the first reference group 200, only the support posts 3 of different heights need to be replaced. The utility model discloses an in other embodiments, the focus adjustment piece also can include support column 3 and the gasket of a plurality of highly differences corresponding to short focal length section, intermediate focal length section and long focal length section, and a plurality of gaskets alternative press from both sides tightly between support column 3 and base 2, when needs adjust the distance of waiting to detect group 100 and first benchmark group 200, only need to change not the gasket of co-altitude can.

In the present embodiment, the inclination angle positioning element is set as the first guide shaft 4, one end of the first guide shaft 4 is connected to the base 2, and the diameter of the first guide shaft 4 is smaller than the diameter of the positioning hole of the group to be detected 100, it should be noted that the positioning hole of the group to be detected 100 also plays a positioning role when actually installed in the zoom lens, and the first guide shaft 4 is in clearance fit with the positioning hole of the group to be detected 100. The supporting column 3 is abutted against and supports the group 100 to be detected, and the first guide shaft 4 is inserted into the group 100 to be detected in a clearance mode, so that the group 100 to be detected and the first reference group 200 are kept at a certain included angle, the actual installation working condition of the group 100 to be detected is simulated, and the structure is simple. The utility model discloses an in other embodiments, the focus adjustment spare also can set up to the pinion-and-rack pair or the vice lift actuating mechanism who constitutes of screw-nut, and the inclination setting element sets up to rotate to be connected in the connecting axle of the slope of lift actuating mechanism execution end, and the connecting axle of slope with wait to detect group 100 and be connected, can adjust equally and wait to detect the interval of group 100 and first benchmark group 200 and wait to detect the inclination of group 100.

In this embodiment, the bottom of base 2 is seted up threaded hole, and the threaded hole intercommunication has the through-hole that extends towards fixing base 1, and the diameter of threaded hole is greater than the diameter of through-hole, and first guide shaft 4 includes integrated into one piece's screw column portion and optical axis portion, and screw column portion can with threaded hole threaded connection, and optical axis portion can run through the through-hole of base 2 and extend to waiting to detect group 100. When the first guide shaft 4 is installed, only the first guide shaft 4 needs to be screwed from the bottom of the base 2, so that the installation is convenient. The utility model discloses an in other embodiments, also can set up the screw thread blind hole in one side that base 2 is close to fixing base 1, the bottom threaded connection of first guide axle 4 is in the screw thread blind hole to the top of first guide axle 4 extends to and waits to detect group 100 towards the direction that is close to fixing base 1.

As shown in fig. 2 and 4, a plurality of pin shafts 112 are disposed on an inner wall of the top of the sleeve portion 11, the pin shafts 112 can be inserted into the positioning holes of the first reference group 200 one by one to position the first reference group 200, the first reference group 200 is connected to the inner wall of the top of the sleeve portion 11 by screws, an avoiding hole 111 is further formed in the top of the sleeve portion 11, the group 100 to be detected is inserted through the avoiding hole 111 from the outer side of the sleeve portion 11 and is matched with the focus adjustment member and the tilt angle positioning member, the group 100 to be detected is spaced from the first reference group 200, and the structure is more compact.

As shown in fig. 1-3, the base 2 is provided with a first mounting groove 21 engaged with the second reference group 300, the bottom of the first mounting groove 21 is provided with a display hole, and the second reference group 300 is disposed in the first mounting groove 21 and opposite to the display hole, so as to display an image on the image capturing device. In other embodiments of the present invention, the second reference group 300 may also be locked on the base 2 by screws.

Specifically, the moving group sorting apparatus further includes a second guide shaft 5, a structure of the second guide shaft 5 is the same as that of the first guide shaft 4, and details are not repeated here, one end of the second guide shaft 5 is connected to the base 2, the other end of the second guide shaft passes through a positioning hole of the second reference group 300 on the base 2, and the positioning hole of the second reference group 300 is the same as the positioning hole actually installed in the zoom lens. The second guide shaft 5 can position the second reference group 300, and the second reference group 300 can be prevented from shaking by matching with the first mounting groove 21, so that the reliability is improved.

As shown in fig. 3 and 5, a second mounting groove 22 matched with the annular mounting table 12 of the fixing base 1 is formed in the base 2, the positioning column 6 is inserted into the base 2 and partially sunk into a side wall of the second mounting groove 22, and an arc-shaped groove 121 matched with the positioning column 6 is formed in the side wall of the fixing base 1. When the annular mounting table 12 of the fixing base 1 is placed in the second mounting groove 22, one part of the positioning column 6 is sunk into the side wall of the second mounting groove 22, and the other part of the positioning column is embedded in the arc-shaped groove 121 of the side wall of the annular mounting table 12, so that the fixing base 1 can be reliably positioned on the base 2, the rotation of the fixing base 1 and the first reference group 200 is avoided, and the reliability is improved.

The embodiment further provides detection equipment, which comprises an MTF tester and the above dynamic group sorting device, wherein the CHART of the MTF tester is arranged opposite to the group to be detected, the image collector is arranged opposite to the third reference group, and the focal length adjusting part of the dynamic group sorting device can adjust the distance between the group to be detected 100 and the first reference group 200, so that the group to be detected 100 with different focal lengths can be sorted, and the inclination angle positioning part can enable the group to be detected 100 and the first reference group 200 to form a preset included angle, so that the actual installation working condition of the group to be detected 100 in the lens can be simulated, and then the MTF tester of the detection equipment is matched, so that the accuracy of the detection result can be improved.

In the description herein, it is to be understood that the terms "upper", "lower", "left", "right", and the like are used in an orientation or positional relationship based on that shown in the drawings for convenience of description and simplicity of operation, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be in any way understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only a preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A dynamic group selection apparatus, comprising:

a fixing seat (1) for fixing a first reference group (200);

the base (2) is used for placing a second reference group (300), the fixed seat (1) is supported on the base (2), and the first reference group (200) and the second reference group (300) are arranged oppositely;

the group to be detected (100) is positioned on one side, away from the second reference group (300), of the first reference group (200), and the focal length adjusting piece can adjust the distance between the group to be detected (100) and the first reference group (200);

the inclination angle positioning piece can position the group (100) to be detected, so that a preset included angle is formed between the group (100) to be detected and the first reference group (200).

2. The group sorting device according to claim 1, wherein the focus adjusting member comprises a supporting column (3), a plurality of supporting columns (3) with different heights are selectively mounted on the base (2) and abut against the group (100) to be detected, and the supporting column (3) can support the group (100) to be detected.

3. The dynamic group screening device according to claim 2, wherein the tilt angle positioning element is configured as a first guide shaft (4), one end of the first guide shaft (4) is connected to the base (2), and the other end is in clearance fit with a positioning hole of the group (100) to be tested.

4. The group sorting device according to claim 3, characterized in that the first guide shaft (4) is screwed to the bottom of the base (2), and the first guide shaft (4) penetrates the base (2) and extends to the group to be detected (100) in a direction approaching the fixed seat (1).

5. The group sorting device according to claim 2, wherein the focus adjusting member further comprises a plurality of pads with different heights, the plurality of pads are alternatively clamped between the supporting column (3) and the base (2), and the supporting column (3) abuts against and supports the group (100) to be detected.

6. The moving group sorting device according to claim 1, wherein an avoiding hole (111) is formed in the fixing base (1), the first reference group (200) is arranged opposite to the avoiding hole (111), and the group (100) to be detected is arranged through the avoiding hole (111) from one side of the fixing base (1) deviating from the first reference group (200) and is matched with the focal length adjusting member and the inclination angle positioning member.

7. The group-selecting device as claimed in claim 1, wherein the base (2) is formed with a first mounting groove (21) engaged with the second reference group (300), a display hole is formed at a bottom of the first mounting groove (21), and the second reference group (300) is disposed in the first mounting groove (21) and opposite to the display hole.

8. The group sorting device according to claim 7, further comprising a second guide shaft (5), wherein one end of the second guide shaft (5) is connected to the base (2), and the other end is inserted into the second reference group (300), and the second guide shaft (5) can position the second reference group (300).

9. The group sorting device according to claim 1, wherein a second mounting groove (22) matched with the fixing seat (1) is formed in the base (2), a positioning column (6) is inserted into the base (2), a part of the positioning column (6) is recessed in a side wall of the second mounting groove (22), an arc-shaped groove (121) matched with the positioning column (6) is formed in the side wall of the fixing seat (1), when the fixing seat (1) is placed in the second mounting groove (22), the other part of the positioning column (6) is embedded in the arc-shaped groove (121), and the positioning column (6) can position the fixing seat (1).

10. A test apparatus comprising a kinetic group sorting device according to any one of claims 1 to 9.