CN221008081U - Lens detection device - Google Patents

Abstract

The utility model belongs to the technical field of lens detection, and discloses lens detection equipment, which comprises a bearing table and a plurality of press attachment detection devices arranged on the bearing table, wherein each press attachment detection device comprises a power piece and at least one press attachment detection mechanism, the output end of the power piece is provided with the press attachment detection mechanism, each press attachment detection mechanism comprises a mounting seat assembly, an actuating rod assembly, an induction piece and an inductor, and the actuating rod assembly is movably arranged on the mounting seat assembly along the Z-axis direction; one of the sensor and the sensing piece is fixedly arranged on the mounting seat assembly, the other one of the sensor and the sensing piece is fixedly arranged on the actuating rod assembly, the actuating rod assembly is used for approaching to and abutting against a lens positioned on the bearing table along the Z-axis direction, and the sensor is used for detecting the position of the sensing piece. The lens detection device of the utility model detects the position of the sensing piece by using the sensor, thereby judging whether the idling phenomenon exists in the lens.

Description

Lens detection device

Technical Field

The present utility model relates to the field of lens detection technologies, and in particular, to a lens detection device.

Background

At present, the all-in-one lens of the camera mainly comprises a focusing motor, an IR-CUT module and an aperture module, wherein the focusing motor can drive the movable lens group to rotate according to the actual shooting condition, so that the focusing function is realized. Before leaving the factory, the lens of the integrated machine generally needs to be detected by adopting detection equipment, for example, the application number is CN202222052796.8, the application name is the prior art of lens detection equipment, when the detection is carried out, the lens of the integrated machine is placed on a fixed jig and connected with a flat cable and an adapter plate, then an aperture driving module drives an aperture module to open and close an aperture, an IR-CUT driving module drives an IR-CUT module to switch a filter, and in the process, whether the lens of the integrated machine is qualified is judged according to whether a light receiver receives a light signal sent by a light emitter or not.

However, the existing lens detection device cannot judge whether the lens has idling, and if the lens has idling during focusing, the lens cannot realize focusing.

Therefore, there is a need for a lens detecting apparatus to determine whether there is an idling phenomenon of the lens.

Disclosure of utility model

One object of the present utility model is to: a lens detecting device is provided, which detects the position of the sensing piece by using the sensor to judge whether the idling phenomenon exists in the lens.

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

The lens detection equipment comprises a bearing table and a plurality of press attachment detection devices arranged on the bearing table, wherein the press attachment detection devices comprise a power piece and at least one press attachment detection mechanism, the output end of the power piece is provided with the press attachment detection mechanism, and the press attachment detection mechanism comprises:

a mounting base assembly;

the actuating rod assembly is movably arranged on the mounting seat assembly along the Z-axis direction;

The sensor comprises a sensor piece and a sensor, wherein one of the sensor piece and the sensor piece is fixedly arranged on the mounting seat assembly, the other one of the sensor piece and the sensor piece is fixedly arranged on the actuating rod assembly, the actuating rod assembly is used for approaching to and abutting against a lens positioned on the bearing table along the Z-axis direction, and the sensor is used for detecting the position of the sensor piece.

As an optional technical scheme, the actuating rod assembly comprises an actuating rod and a spring, the actuating rod is movably arranged on the mounting seat assembly along the Z-axis direction, the sensing piece or the sensor is arranged on the actuating rod, and the spring is used for pushing the actuating rod to lean against the lens.

As an optional technical scheme, the actuating rod is provided with a limiting part, and the limiting part is used for abutting against the mounting seat assembly so as to limit the distance that the spring pushes the actuating rod to lean against the lens.

As an optional technical scheme, the actuating rod assembly further comprises a follower head, the follower head is in threaded connection with the actuating rod, the follower head is used for abutting against the lens, the spring is sleeved on the periphery of the actuating rod, one end of the spring abuts against the mounting seat assembly, and the other end of the spring abuts against the follower head.

As an optional solution, the mounting base assembly includes:

The connecting seat is connected to the output end of the power piece and is provided with a threaded hole;

The installation seat is provided with an adjusting groove extending along the Z-axis direction, a threaded fastener penetrates through the adjusting groove and then is in threaded connection with the threaded hole, the threaded fastener is used for locking the installation seat to the connection seat, the actuating rod assembly is movably inserted into the installation seat along the Z-axis direction, one of the sensor and the sensing piece is fixedly installed on the installation seat, and the other of the sensor and the sensing piece is fixedly installed on the actuating rod assembly.

As an optional technical scheme, the mount pad assembly further includes a fine tuning knob, the fine tuning knob is installed in the connecting seat, the fine tuning knob butt in the mount pad, the fine tuning knob is used for adjusting the mount pad is in the mounted position of connecting seat.

As an optional technical scheme, the mounting seat is provided with a linear bearing, and the linear bearing is sleeved on the periphery of the actuating rod assembly.

As an optional technical scheme, the press attachment detection device comprises a buffer, wherein the buffer is arranged on the bearing table and is used for being abutted against the mounting seat assembly arranged at the output end of the power piece; and/or

The pressure attachment detection device further comprises a limiting piece, wherein the limiting piece is arranged on the bearing table and is used for being abutted to the mounting seat assembly arranged at the output end of the power piece.

As an optional technical scheme, press-attaching detection device still includes the slide rail that extends along Z axle direction, the slide rail set up in the plummer, set up in the mount pad subassembly of power spare output is equipped with the slider, the slider with slide rail sliding connection.

As an optional technical scheme, the pressing detection device comprises two pressing detection mechanisms, wherein one pressing detection mechanism is located at the top of the bearing table, the other pressing detection mechanism is located at the bottom of the bearing table, and the two pressing detection mechanisms detect the lens from the upper direction and the lower direction respectively.

The utility model has the beneficial effects that:

The utility model provides lens detection equipment which comprises a bearing table and a press attachment detection device, wherein a lens is placed on the bearing table, an actuating rod assembly is abutted against a lens component of the lens, a motor carried by the lens drives the lens component to rotate for N circles, the lens component rotates around the central axis of the lens and moves along the central axis direction of the lens, the actuating rod assembly is driven by the lens component along the Z axis direction, an inductor and an induction piece relatively move and move for a first preset value, then the lens component reversely rotates, when the reverse movement distance of the lens component is the first preset value, the number of circles M of the reverse rotation of the lens component at the moment is obtained, if the difference value between N and M is within a preset range, the phenomenon of idle rotation of the lens is judged, and if the difference value between N and M exceeds the preset range, the phenomenon of idle rotation of the lens is judged.

Drawings

The utility model is described in further detail below with reference to the drawings and examples;

fig. 1 is a schematic structural diagram of a lens detection apparatus according to an embodiment;

Fig. 2 is a sectional view of a lens detection apparatus according to an embodiment;

fig. 3 is a schematic view of a part of a structure of a press-fit detection device according to an embodiment;

Fig. 4 is a schematic structural diagram of a press attachment detection mechanism according to an embodiment;

fig. 5 is a cross-sectional view of the press attachment detection mechanism according to the embodiment.

In the figure:

100. A carrying platform; 200. a press-fit detection device; 201. a power member; 202. a press-attaching detection mechanism; 203. a buffer; 204. a limiting piece; 205. a slide rail; 206. a slide block;

1. A mounting base assembly; 11. a connecting seat; 111. a threaded hole; 12. a mounting base; 121. an adjustment tank; 13. a linear bearing;

2. an actuator rod assembly; 21. an actuating lever; 211. a limit part; 22. a follower head; 23. a spring;

3. an induction piece;

4. an inductor;

5. And (5) fine tuning a knob.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present embodiment provides a lens detection apparatus, which includes a carrying platform 100 and a plurality of press attachment detection devices 200 disposed on the carrying platform 100, wherein the press attachment detection devices 200 include a power member 201 and at least one press attachment detection mechanism 202, the output end of the power member 201 is provided with the press attachment detection mechanism 202, and the press attachment detection mechanism 202 includes a mounting seat assembly 1, an actuating lever assembly 2, an induction piece 3 and an inductor 4; the actuating rod assembly 2 is movably arranged on the mounting seat assembly 1 along the Z-axis direction; one of the sensor 4 and the sensing piece 3 is fixedly installed on the installation seat assembly 1, the other of the sensor 4 and the sensing piece 3 is fixedly installed on the actuating rod assembly 2, the actuating rod assembly 2 is used for approaching and abutting the lens on the bearing table 100 along the Z-axis direction, and the sensor 4 is used for detecting the position of the sensing piece 3.

The number of the press-fit detecting devices 200 provided on the carrying table 100 is set according to actual needs, for example, one, two, or three, or even more. In this embodiment, seven pressing detection devices 200 are provided on the carrying platform 100, and the lens detection apparatus can detect seven lenses at the same time.

In this embodiment, the Z-axis direction is a vertical direction.

In this embodiment, the pressing detection device 200 includes two pressing detection mechanisms 202, one of the pressing detection mechanisms 202 is located at the top of the carrying platform 100, the other pressing detection mechanism 202 is located at the bottom of the carrying platform 100, and the two pressing detection mechanisms 202 detect the lens from the upper and lower directions respectively, so as to improve the detection accuracy.

The press attachment detection mechanism 202 at the top of the plummer 100 is a top detection mechanism, the output end of the power piece 201 is connected to the mounting seat assembly 1 of the top detection mechanism, the press attachment detection mechanism 202 at the bottom of the plummer 100 is a bottom detection mechanism, the mounting seat assembly 1 of the bottom detection mechanism is fixedly connected with the plummer 100, when a lens is required to be detected, the lens is placed on the table top of the plummer 100, the lens is located between the top detection mechanism and the bottom detection mechanism, the actuating rod assembly 2 of the bottom detection mechanism is abutted to the lens part at the bottom of the lens, the power piece 201 drives the top detection mechanism to lean against the lens until the actuating rod assembly 2 of the top detection mechanism is abutted to the lens part at the top of the lens, and after the lens is detected, the power piece 201 drives the top detection mechanism to be away from the lens, so that a user can take the lens conveniently.

In this embodiment, the power member 201 is a cylinder, and in other embodiments, the power member 201 is a linear electric cylinder or other linear drive module.

Specifically, after the lens is placed on the carrying platform 100, the actuating rod assembly 2 abuts against the lens component of the lens, the power piece 201 stops driving, the horizontal height of the sensor 4 is not changed any more, the motor carried by the lens drives the lens component to rotate for N circles, the lens component rotates around the central axis of the lens and moves along the central axis direction of the lens, the actuating rod assembly 2 is driven by the lens component along the Z axis direction, the horizontal height of the sensing piece 3 is changed, the sensor 4 and the sensing piece 3 relatively move and move for a first preset value, then the lens component reversely rotates, when the reverse moving distance of the lens component is the first preset value, the number of turns M of the reverse rotation of the lens component at the moment is obtained, if the difference value between N and M is within the preset range, the phenomenon of idle of the lens is judged, and if the difference value between N and M exceeds the preset range, the phenomenon of idle of the lens is judged.

The lens detection device of this embodiment can detect the lens by using another detection method, for example, after the lens is placed on the carrying platform 100 and the actuating lever assembly 2 abuts against the lens component of the lens, the power piece 201 stops driving, the level of the sensor 4 does not change any more, the motor carried by the lens drives the lens component to rotate N circles, the lens component rotates around the central axis of the lens and moves along the central axis direction of the lens, the actuating lever assembly 2 is driven by the lens component along the Z axis direction, the sensor 4 and the sensing piece 3 relatively move and move for a first preset value, then the lens component is reversely rotated, when the lens component reversely rotates N circles, the reverse moving distance of the lens component is a second preset value, if the difference between the first preset value and the second preset value is within the preset range, the idling phenomenon of the lens is judged, and if the difference between the first preset value and the second preset value exceeds the preset range, the idling phenomenon of the lens is judged.

In this embodiment, the sensor 4 is fixedly mounted to the mount assembly 1, and the sensor chip 3 is fixedly mounted to the actuator rod assembly 2. In other embodiments, the sensor 4 is fixedly mounted to the actuator rod assembly 2 and the sensor tab 3 is fixedly mounted to the mount assembly 1.

Alternatively, the actuating rod assembly 2 includes an actuating rod 21 and a spring 23, the actuating rod 21 is movably disposed on the mounting seat assembly 1 along the Z-axis direction, the sensing piece 3 or the sensor 4 is mounted on the actuating rod 21, and the spring 23 is used for pushing the actuating rod 21 to lean against the lens. After the actuating rod assembly 2 is abutted against the lens component of the lens, the spring 23 applies thrust to the actuating rod 21, the follower head 22 is always abutted against the lens component of the lens, and the lens component of the lens keeps a fixed distance from the actuating rod 21 in the process of ascending or descending along the vertical direction, so that the actuating rod 21 is prevented from being blocked.

The spring 23 of this embodiment is made of steel wire or copper wire with smaller elastic coefficient, which reduces the elasticity applied by the spring 23 to the lens and reduces the detection error.

In the present embodiment, the sensing piece 3 is mounted on the actuating lever 21, and the sensor 4 is mounted on the mount 12. In other embodiments, the sensor tab 3 is mounted to the mounting base 12 and the sensor 4 is mounted to the actuator rod 21.

Optionally, the actuating rod 21 is provided with a limiting part 211, and the limiting part 211 is used for abutting against the mounting seat assembly 1 so as to limit the distance that the spring 23 pushes the actuating rod 21 to lean against the lens. After the lens is removed, the limiting portion 211 abuts against the mounting seat assembly 1, so as to prevent the actuating rod 21 from being separated from the mounting seat assembly 1.

Optionally, the actuating rod assembly 2 further includes a follower head 22, the follower head 22 is screwed to the actuating rod 21, the follower head 22 is used for abutting against the lens, a spring 23 is sleeved on the periphery of the actuating rod 21, one end of the spring 23 abuts against the mounting seat assembly 1, and the other end of the spring 23 abuts against the follower head 22.

When the spring 23 needs to be replaced, the follower head 22 is rotated, and the spring 23 can be removed from the periphery of the actuating rod 21 by removing the follower head 22 from the actuating rod 21; the follower head 22 is used for abutting against the lens, so that the service life of the follower head 22 is limited, and in the embodiment, only the follower head 22 needs to be replaced, and the actuating rod 21 does not need to be replaced together; when the overall length of the actuating rod assembly 2 along the Z-axis direction needs to be adjusted, the connecting length of the actuating rod 21 and the follower head 22 can be prolonged by rotating the follower head 22, so that the adjustment is facilitated.

Optionally, the mounting seat assembly 1 includes a connecting seat 11 and a mounting seat 12, the connecting seat 11 is connected to the output end of the power piece 201, and the connecting seat 11 is provided with a threaded hole 111; the mount pad 12 is equipped with along the adjustment groove 121 that Z axle direction extends, and threaded fastener passes behind the adjustment groove 121 threaded connection in screw hole 111, and threaded fastener is used for locking mount pad 12 in connecting seat 11, and actuating lever subassembly 2 is movably inserted in the mount pad 12 along the Z axle direction, and one of sensor 4 and sensing piece 3 fixed mounting is in mount pad 12, and another one of sensor 4 and sensing piece 3 fixed mounting is in actuating lever subassembly 2. The threaded fasteners are not shown.

Loosening the threaded fastener, readjusting the horizontal installation height of the installation seat 12 on the connection seat 11, changing the horizontal height of the sensor 4, and adjusting the relative movement distance of the sensor 4 and the sensing piece 3 to a third preset value under the condition that the motor carried by the lens drives the lens component to rotate for N circles.

Optionally, the mount assembly 1 further includes a fine tuning knob 5, the fine tuning knob 5 is mounted on the connection seat 11, the fine tuning knob 5 is abutted to the mount 12, and the fine tuning knob 5 is used for adjusting the mounting position of the mount 12 on the connection seat 11. The fine tuning knob 5 fine-tunes the mounting seat 12, and then adjusts the critical position of the sensing piece 3 sensed by the sensor 4.

Alternatively, the mounting seat 12 is provided with a linear bearing 13, and the linear bearing 13 is sleeved on the periphery of the actuating rod assembly 2. Specifically, the linear bearing 13 is fitted around the periphery of the actuator rod 21.

Optionally, the press-attaching detecting device 200 includes a buffer 203, where the buffer 203 is disposed on the carrying platform 100, and the buffer 203 is configured to abut against the mounting seat assembly 1 disposed at the output end of the power member 201.

Optionally, the press attachment detecting device 200 further includes a limiting member 204, where the limiting member 204 is disposed on the carrying platform 100, and the limiting member 204 is configured to be abutted against the mounting seat assembly 1 disposed at the output end of the power member 201.

Optionally, the press attachment detection device 200 further includes a sliding rail 205 extending along the Z-axis direction, the sliding rail 205 is disposed on the carrying platform 100, the mounting seat assembly 1 disposed at the output end of the power member 201 is provided with a sliding block 206, and the sliding block 206 is slidably connected with the sliding rail 205.

Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model 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 utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. Lens check out test set, lens check out test set includes plummer (100) and set up in a plurality of press attaches detection device (200) of plummer (100), press attaches detection device (200) including power piece (201) and at least one press attaches detection mechanism (202), the output of power piece (201) is equipped with press attaches detection mechanism (202), its characterized in that, press attaches detection mechanism (202) include:

A mounting base assembly (1);

the actuating rod assembly (2) is movably arranged on the mounting seat assembly (1) along the Z-axis direction;

The sensor comprises a sensor piece (3) and a sensor (4), wherein one of the sensor (4) and the sensor piece (3) is fixedly installed on the installation seat assembly (1), the other one of the sensor (4) and the sensor piece (3) is fixedly installed on the actuating rod assembly (2), the actuating rod assembly (2) is used for approaching to and abutting against a lens on the bearing table (100) along the Z-axis direction, and the sensor (4) is used for detecting the position of the sensor piece (3).

2. The lens detection apparatus according to claim 1, wherein the actuating lever assembly (2) includes an actuating lever (21) and a spring (23), the actuating lever (21) is movably disposed on the mount assembly (1) along the Z-axis direction, the sensor piece (3) or the sensor (4) is mounted on the actuating lever (21), and the spring (23) is used for pushing the actuating lever (21) against the lens.

3. Lens detection device according to claim 2, characterized in that the actuating lever (21) is provided with a limiting portion (211), the limiting portion (211) being adapted to abut the mount assembly (1) to limit the distance by which the spring (23) pushes the actuating lever (21) against the lens.

4. The lens detection apparatus according to claim 2, wherein the actuating rod assembly (2) further comprises a follower head (22), the follower head (22) is screwed to the actuating rod (21), the follower head (22) is used for abutting the lens, the spring (23) is sleeved on the periphery of the actuating rod (21), one end of the spring (23) abuts against the mounting seat assembly (1), and the other end of the spring (23) abuts against the follower head (22).

5. The lens detection apparatus according to claim 1, wherein the mount assembly (1) includes:

The connecting seat (11) is connected to the output end of the power piece (201), and the connecting seat (11) is provided with a threaded hole (111);

The installation seat (12), installation seat (12) are equipped with along Z axle direction extension's adjustment tank (121), threaded fastener pass behind adjustment tank (121) threaded connection in screw hole (111), threaded fastener be used for with installation seat (12) lock in connecting seat (11), action bars subassembly (2) are inserted along Z axle direction activity and are located installation seat (12), inductor (4) with one fixed mounting in the two of response piece (3) in installation seat (12), inductor (4) with another fixed mounting in the two of response piece (3) action bars subassembly (2).

6. Lens detection device according to claim 5, characterized in that the mount assembly (1) further comprises a fine tuning knob (5), the fine tuning knob (5) being mounted to the connection mount (11), the fine tuning knob (5) being in abutment with the mount (12), the fine tuning knob (5) being used for adjusting the mounting position of the mount (12) at the connection mount (11).

7. Lens detection device according to claim 5, characterized in that the mount (12) is provided with a linear bearing (13), the linear bearing (13) being sleeved on the periphery of the actuating rod assembly (2).

8. The lens detection apparatus according to claim 1, wherein the press-fit detection device (200) includes a buffer (203), the buffer (203) being disposed on the carrying table (100), the buffer (203) being configured to abut against the mount assembly (1) disposed at the output end of the power member (201); and/or

The pressure attachment detection device (200) further comprises a limiting piece (204), the limiting piece (204) is arranged on the bearing table (100), and the limiting piece (204) is used for being abutted to the mounting seat assembly (1) arranged at the output end of the power piece (201).

9. The lens detection device according to claim 1, wherein the press-fit detection means (200) further comprises a slide rail (205) extending along the Z-axis direction, the slide rail (205) is disposed on the carrying table (100), the mount assembly (1) disposed at the output end of the power member (201) is provided with a slider (206), and the slider (206) is slidably connected with the slide rail (205).

10. The lens inspection apparatus according to claim 1, wherein the press-fit inspection device (200) includes two press-fit inspection mechanisms (202), one of the press-fit inspection mechanisms (202) being located at a top of the carrying table (100), the other press-fit inspection mechanism (202) being located at a bottom of the carrying table (100), the two press-fit inspection mechanisms (202) inspecting the lens from two directions up and down, respectively.