CN215598595U - Torque automatic detection device for assembling camera lens - Google Patents

Abstract

The utility model provides an automatic torsion detection device for camera lens assembly, belongs to the technical field of camera lens detection equipment, and is used for solving the technical problem that the existing camera lens is low in torsion detection efficiency. The device comprises a lens torsion mechanism, a torsion detection mechanism, a rotation platform, a fixed platform and a lens rotation support, wherein the lens rotation support is arranged between the torsion detection mechanism and the lens torsion mechanism, a locking mechanism used for limiting the rotation of the lens rotation support is arranged on the rotation platform, the lens torsion mechanism comprises a torsion base, a lifting sliding table assembly and a lens torsion assembly, the lens torsion assembly is arranged on the lifting sliding table assembly, and the torsion detection mechanism comprises a clutch ball cage, a torsion meter, a plurality of proximity switches and a torsion detection support. The device realizes automatic detection of the torsion of the assembled camera lens through the matching of the lens torsion mechanism and the torsion detection mechanism, greatly improves the detection efficiency, can avoid errors caused by manual detection, and improves the detection precision.

Description

Torque automatic detection device for assembling camera lens

Technical Field

The utility model belongs to the technical field of camera lens detection equipment, relates to a torsion detection device, and particularly relates to an automatic torsion detection device for camera lens assembly.

Background

The camera device is widely applied to life, office and public places of people, the ICR is a day and night type camera, the ICR is a camera suitable for various low-illumination environments, the ICR has an infrared filter switching function, an infrared filter is automatically added in the daytime to monitor in a color mode, and the infrared filter is removed and is automatically switched or monitored in a black-and-white mode at night or under the condition of extremely dark light.

The ICR camera lens consists of a lens seat and a lens, wherein the lens seat and the lens have a light filter removing switching function, the lens and the lens seat are usually connected through threads, the lens and the lens seat need to be assembled into a whole in a factory, and torsion detection is needed after the lens seat and the lens meet the assembly size requirement. The existing detection mode is that the torsion meter is used manually to detect the torsion of the assembled lens, the speed is slow through manual detection, and the manual detection has certain errors and is difficult to control.

Therefore, it is necessary to design an automatic torsion detection device for assembling a camera lens, which can automatically detect the torsion of the camera lens, and improve the detection efficiency and the accuracy of the detection result.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides an automatic torsion detection device for assembling a camera lens, which aims to solve the technical problems that: how to realize the automatic detection of the torque force of the camera lens.

The purpose of the utility model can be realized by the following technical scheme:

a torsion automatic detection device for assembling a camera lens comprises a lens torsion mechanism, a torsion detection mechanism, a rotating platform, a fixed platform and a lens rotating support, wherein the torsion detection mechanism is correspondingly arranged below the lens torsion mechanism; the camera lens assembly comprises a lens seat and a lens; the lens torsion mechanism comprises a torsion base, a lifting sliding table assembly and a lens torsion assembly, the torsion base is fixed on the fixed platform, the torsion base is connected with the lifting sliding table assembly through a connecting plate, and the lens torsion assembly is arranged on the lifting sliding table assembly; the torsion detection mechanism comprises a clutch ball cage, a torsion meter, a plurality of proximity switches and a torsion detection support.

Preferably, this device once can carry out torsion detection to two camera lens subassemblies simultaneously, and single torsion detection station integration is provided with two sets of camera lens torsion components, camera lens rotation support promptly, and torsion detection mechanism can carry out the torsion detection of two camera lenses simultaneously.

The camera lens assembly is installed on the camera lens rotating support, the locking mechanism can lock the camera lens rotating support to limit the rotation of the camera lens rotating support, when torsion detection is carried out, the locking mechanism does not limit the rotation of the rotating support, the torsion detection mechanism rises and is connected with the camera lens rotating support through the clutch ball cage, the camera lens torsion mechanism drives the camera lens torsion assembly to rise and fall through the lifting sliding table assembly, the camera lens torsion assembly clamps the camera lens and drives the camera lens to rotate, and the torsion meter and the proximity switch are matched to detect whether the torsion of the camera lens is in a qualified range.

The lift slip table subassembly includes lift servo motor, motor shaft coupling, the lead screw connecting seat, ball screw, lift slide rail and lifting slide, lift servo motor fixes on the connecting plate, motor shaft coupling and lift servo motor output shaft are passed through to ball screw's upper end, ball screw's a silk section of thick bamboo is installed in the lead screw connecting seat, lead screw connecting seat and connecting plate sliding connection, the lift slide slides and sets up on the lift slide rail, the lift slide rail is fixed on the connecting plate, be provided with the drive block on the lead screw connecting seat, the last recess with drive block complex of having seted up of lifting slide block, the drive block is located the recess, the camera lens twists reverse the subassembly and is connected with the lifting slide block.

By adopting the structure, the lifting sliding table assembly is used for driving the lens torsion assembly to lift, the lifting servo motor operates to drive the ball screw to rotate, the screw cylinder of the ball screw moves upwards or downwards along with the rotation of the screw, the screw cylinder drives the screw rod connecting seat to move up and down, and the screw rod connecting seat drives the lifting sliding block to move up and down on the lifting sliding rail through the driving block, so that the lifting movement of the lens torsion assembly is realized.

The lens torsion assembly comprises a torsion driving motor, a belt, a rotary pneumatic collet chuck, a lens clamping jaw and a torsion support, the torsion support is connected with the lifting slide block through a bolt, the upper end of the rotary pneumatic collet chuck is connected with the torsion support through a ball head, the torsion driving motor is installed on the motor support, the motor support is fixed on the cylinder wall of the rotary pneumatic collet chuck, the rotary pneumatic collet chuck is connected with the torsion driving motor through the belt, and the lens clamping jaw is arranged at the output end of the rotary pneumatic collet chuck.

When the structure is adopted, during torsion detection, the lifting sliding table assembly drives the lens torsion assembly to descend to the position where the lens clamp is clamped, the rotary pneumatic collet chuck drives the lens clamping jaw to clamp the lens, the torsion driving motor operates to drive the rotary pneumatic collet chuck to rotate through a belt, torsion detection is performed by matching with a torsion detection mechanism, the upper end of the rotary pneumatic collet chuck is connected with the torsion support through the ball head, position adjustment is facilitated, and the lens clamping jaw can accurately clamp the lens.

The lens rotates the support and includes lens mount anchor clamps, spacing pivot and bearing frame, and the bearing frame passes through the bolt and installs on rotating the platform, and spacing pivot is installed on the bearing frame, and the lower extreme of spacing pivot is seted up with separation and reunion ball cage matched with clutch groove, and lens mount anchor clamps pass through the bolt fastening in the upper end of spacing pivot, lens mount and lens mount anchor clamps joint.

By adopting the structure, the camera lens assembly is arranged on the lens rotating support for torsion detection, the lens base is connected with the lens base clamp in a clamping manner, the installation is convenient, the positioning is accurate, after the clutch ball cage is connected with the limiting rotating shaft, the lens twisting assembly runs, the rotating pneumatic collet chuck drives the lens clamping jaw to clamp the lens, the twisting driving motor runs, the driving lens rotates directionally, the limiting rotating shaft rotates along with the rotating shaft, and the torsion detection mechanism performs torsion detection.

Torsion detection mechanism still includes torsion detection slip table cylinder and torsion meter mounting panel, and torsion detection slip table cylinder is vertical to be installed on torsion detection support, and the output that torsion detection slip table cylinder is connected with the torsion meter mounting panel, and the torsion meter is installed on the torsion meter mounting panel, and the lower extreme of separation and reunion ball cage passes through the ball cage shaft coupling to be connected with the pivot of torsion meter, and a plurality of proximity switches distribute in the outside of torsion meter, and proximity switch installs on the proximity switch support.

When torsion detection is carried out, the torsion detection sliding table cylinder pushes the torsion meter mounting plate to move upwards, the clutch ball cage is inserted into the limiting rotating shaft to be connected with the limiting rotating shaft, the lens torsion assembly operates, the torsion meter is matched with the proximity switches to carry out torsion detection, after the detection is finished, the torsion detection sliding table cylinder drives the torsion meter mounting plate to move downwards, and the clutch ball cage is separated from the limiting rotating shaft.

Preferably, the number of the proximity switches is three, the three proximity switches are used for monitoring whether the rotation travel of the torsion meter is matched with a set torsion range, if the rotation travel is in the matched range, the torsion reaches the standard and is qualified, otherwise, the torsion is defective, the three proximity switches are a first proximity switch, a second proximity switch and a third proximity switch in sequence, the first proximity switch is set as a detection origin, and the travel between the second proximity switch and the third proximity switch is a torsion qualified interval; according to the qualified range of the torsion of the lens, the rotation range of the rotary pneumatic collet chuck is obtained, so that the number of rotation turns of a torsion driving motor during torsion detection can be set, when the torsion detection is performed, the rotary pneumatic collet chuck drives a lens clamping jaw to clamp the lens, the torsion driving motor rotates according to the set number of turns, the camera lens assembly drives a limiting rotating shaft to rotate, the limiting rotating shaft drives a clutch ball cage to rotate, the clutch ball cage drives a torsion meter to rotate, when the torsion meter rotates to a position between a second proximity switch and a third proximity switch, the torsion is judged to be up to standard and is qualified, and if the torsion meter exceeds the position of the third proximity switch or does not reach the position of the second proximity switch, the torsion is judged to be not up to standard and is unqualified; after the detection is finished, the torsion driving motor operates to drive the camera lens assembly to reset, and the torsion meter resets.

Locking mechanism is including locking cylinder, spacing shifting block, line rail sliding bracket, spacing joint head, line rail guide rail, the line rail support, spring and spring coupling post, the locking cylinder passes through the bolt fastening on fixed platform, the output and the spacing shifting block of locking cylinder are connected, spacing shifting block sets up the one side at line rail sliding bracket, line rail sliding bracket upper end is provided with the driving lever with spacing shifting block complex, line rail sliding bracket and line rail guide rail sliding connection, the line rail guide rail is installed on the line rail support, the one end and the line rail sliding bracket of spring are connected, the other end and the spring coupling post of spring are connected, the spring coupling post is fixed on the rotation platform, line rail sliding bracket's front end is provided with spacing joint head, set up in the spacing pivot with spacing joint head matched with joint groove.

Structure more than adopting, locking mechanism is used for restricting the rotation of spacing pivot, and when locking state, line rail sliding support is under the spring tension effect, and spacing joint inserts in the joint groove of spacing pivot side, and spacing pivot can't rotate, carries out torsion detection time, and spacing pivot needs the free rotation, and locking cylinder pulling line rail sliding support moves on the line rail guide rail, and spacing joint breaks away from spacing pivot, and free rotation can be realized to spacing pivot.

Compared with the prior art, this torsion automatic checkout device for camera lens assembly has following advantage:

1. camera lens unit mount rotates the support at the camera lens on, and locking mechanism can lock camera lens and rotate the support and restrict its rotation, realizes the automated inspection of camera lens assembly back torsion through the cooperation of camera lens torsion mechanism and torsion detection mechanism, need not manual operation and detects, has improved detection efficiency greatly, can avoid the error that manual detection brought simultaneously, improves and detects the precision.

2. This device once can carry out torsion detection to two sets of camera lens subassemblies simultaneously, improves detection speed, and continuous automatic detection can improve detection efficiency and product quality, reduces the cost of labor.

3. The device obtains the rotation range of the rotary pneumatic collet chuck according to the qualified range of the torsion of the lens, thereby setting the rotation number of the torsion driving motor during torsion detection, when the torsion detection is carried out, the locking mechanism releases the locking state, the torsion detection mechanism ascends and is connected with the lens rotation support through the clutch ball cage, the lens torsion mechanism drives the lens torsion assembly to ascend and descend through the lifting slipway assembly, the rotary pneumatic collet chuck drives the lens clamping jaw to clamp the lens, the torsion driving motor rotates according to the set stroke, the camera lens assembly drives the limit rotating shaft to rotate, the limit rotating shaft drives the clutch ball cage to rotate, the clutch ball cage drives the torsion meter to rotate, the torsion meter is matched with the proximity switch, whether the torsion of the lens is in the qualified range is judged according to the rotation stroke of the torsion meter, the detection result is accurate, and the omission, false detection and false detection are effectively avoided, prevent the outflow of defective products and improve the product quality.

Drawings

FIG. 1 is a schematic front axle side construction of the present invention;

FIG. 2 is a schematic rear axle side construction of the present invention;

FIG. 3 is a schematic structural diagram of a lens torsion mechanism according to the present invention;

FIG. 4 is a schematic view of the lift ramp assembly of the present invention;

FIG. 5 is a schematic view of a lens torsion assembly according to the present invention;

FIG. 6 is a schematic view of the front axle side structure of the torsion detecting mechanism according to the present invention;

FIG. 7 is a schematic top view of the torque detection mechanism of the present invention;

FIG. 8 is a schematic diagram of a rear axle side structure of the torque detecting mechanism according to the present invention;

fig. 9 is a schematic structural view of a locking mechanism and a lens rotary holder in the present invention;

FIG. 10 is an exploded view of the locking mechanism of the present invention;

FIG. 11 is a schematic structural view of a limiting shaft according to the present invention;

in the figure: 1-lens torsion mechanism, 11-torsion base, 12-connecting plate, 13-lifting sliding table component, 131-lifting servo motor, 132-motor coupler, 133-screw rod connecting seat, 134-ball screw rod, 135-lifting sliding rail, 136-lifting sliding block, 14-lens torsion component, 141-torsion driving motor, 142-belt, 143-rotary pneumatic collet chuck, 144-lens clamping jaw and 145-torsion bracket;

2-torque force detection mechanism, 21-clutch ball cage, 22-ball cage coupler, 23-torque force meter, 24-approach switch, 25-torque force detection support, 26-torque force detection sliding table cylinder, 27-torque force meter mounting plate and 28-approach switch support;

3-locking mechanism, 31-locking cylinder, 32-limiting shifting block, 33-linear rail sliding support, 34-limiting clamping joint, 35-linear rail guide rail, 36-linear rail support, 37-spring and 38-spring connecting column;

4-rotating the platform; 5-fixing the platform; 6-lens mount; 7-a lens;

8-lens rotating support, 81-lens holder clamp, 82-limit rotating shaft and 83-bearing holder.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-11, the present embodiment provides an automatic torque detection device for assembling a camera lens, including a lens torsion mechanism 1, a torque detection mechanism 2, a rotation platform 4, a fixed platform 5 and a lens rotation support 8, where the torque detection mechanism 2 is correspondingly disposed below the lens torsion mechanism 1, the lens rotation support 8 is disposed between the torque detection mechanism 2 and the lens torsion mechanism 1, the lens rotation support 8 is disposed on the rotation platform 4, a locking mechanism 3 for limiting rotation of the lens rotation support 8 is disposed on the rotation platform 4, the lens torsion mechanism 1 is disposed on the fixed platform 5, and the torque detection mechanism 2 is located below the rotation platform 4; the camera lens assembly comprises a lens seat 6 and a lens 7; the lens torsion mechanism 1 comprises a torsion base 11, a lifting sliding table assembly 13 and a lens torsion assembly 14, wherein the torsion base 11 is fixed on the fixed platform 5, the torsion base 11 is connected with the lifting sliding table assembly 13 through a connecting plate 12, and the lens torsion assembly 14 is installed on the lifting sliding table assembly 13; the torsion detection mechanism 2 comprises a clutch ball cage 21, a torsion meter 23, a plurality of proximity switches 24 and a torsion detection bracket 25.

Preferably, in this embodiment, the apparatus can simultaneously perform torque detection on two camera lens assemblies at a time, that is, two sets of lens torsion assemblies 14 and a lens rotation support 8 are integrally arranged on a single torque detection station, and the torque detection mechanism 2 can simultaneously perform torque detection on two lenses.

The camera lens component is installed on the lens rotating support 8, the locking mechanism 3 can lock the lens rotating support 8 to limit the rotation of the lens rotating support 8, when torsion detection is carried out, the locking mechanism 3 does not limit the rotation of the rotating support 8, the torsion detection mechanism 2 rises and is connected with the lens rotating support 8 through the clutch ball cage 21, the lens torsion mechanism 1 drives the lens torsion component 14 to lift through the lifting sliding table component 13, the lens torsion component 14 clamps the lens 7 and drives the lens to rotate, and the torsion meter 23 and the proximity switch 24 are matched to detect whether the lens torsion is in a qualified range.

The lifting sliding table assembly 13 comprises a lifting servo motor 131, a motor coupler 132, a screw rod connecting seat 133, a ball screw 134, a lifting slide rail 135 and a lifting slide block 136, the lifting servo motor 131 is fixed on the connecting plate 12, the upper end of the ball screw 134 is connected with an output shaft of the lifting servo motor 131 through the motor coupler 132, a screw cylinder of the ball screw 134 is installed in the screw rod connecting seat 133, the screw rod connecting seat 133 is connected with the connecting plate 12 in a sliding manner, the lifting slide block 136 is arranged on the lifting slide rail 135 in a sliding manner, the lifting slide rail 135 is fixed on the connecting plate 12, a driving block is arranged on the screw rod connecting seat 133, a groove matched with the driving block is formed in the lifting slide block 136, the driving block is positioned in the groove, and the lens torsion assembly 14 is connected with the lifting slide block 136; the lifting sliding table assembly 13 is used for driving the lens torsion assembly 14 to lift, the lifting servo motor 131 operates to drive the ball screw 134 to rotate, the screw cylinder of the ball screw 134 moves upwards or downwards along with the rotation of the screw, the screw cylinder drives the screw connecting seat 133 to move up and down, and the screw connecting seat 133 drives the lifting slider 136 to move up and down on the lifting slide rail 135 through the driving block, so that the lifting movement of the lens torsion assembly 14 is realized.

The lens torsion assembly 14 comprises a torsion driving motor 141, a belt 142, a rotary pneumatic collet chuck 143, a lens clamping jaw 144 and a torsion bracket 145, the torsion bracket 145 is connected with the lifting slide block 136 through a bolt, the upper end of the rotary pneumatic collet chuck 143 is connected with the torsion bracket 145 through a ball head, the torsion driving motor 141 is installed on the motor bracket, the motor bracket is fixed on the cylinder wall of the rotary pneumatic collet chuck 143, the rotary pneumatic collet chuck 143 is connected with the torsion driving motor 141 through the belt 142, and the lens clamping jaw 144 is arranged at the output end of the rotary pneumatic collet chuck 143; when torsion detection is performed, the lifting sliding table assembly 13 drives the lens torsion assembly 14 to descend to a lens 7 clamping position, the rotary pneumatic collet chuck 143 drives the lens clamping jaw 144 to clamp the lens 7, the torsion driving motor 141 operates to drive the rotary pneumatic collet chuck 143 to rotate through the belt 142, torsion detection is performed by matching with the torsion detection mechanism 2, the upper end of the rotary pneumatic collet chuck 143 is connected with the torsion support 145 through a ball head, position adjustment is facilitated, and the lens clamping jaw 144 can accurately clamp the lens 7.

The lens rotating support 8 comprises a lens holder clamp 81, a limiting rotating shaft 82 and a bearing seat 83, the bearing seat 83 is installed on the rotating platform 4 through bolts, the limiting rotating shaft 82 is installed on the bearing seat 83, a clutch groove matched with the clutch ball cage 21 is formed in the lower end of the limiting rotating shaft 82, the lens holder clamp 81 is fixed at the upper end of the limiting rotating shaft 82 through bolts, and the lens holder 6 is clamped with the lens holder clamp 81; the camera lens assembly is installed on the lens rotating support 8 for torsion detection, the lens seat 6 is connected to the lens seat clamp 81 in a clamping mode, the installation is convenient, the positioning is accurate, after the clutch ball cage 21 is connected with the limiting rotating shaft 82, the lens torsion assembly 14 operates, the rotating pneumatic collet chuck 143 drives the lens clamping jaw 144 to clamp the lens 7, the torsion driving motor 141 operates to drive the lens 7 to rotate directionally, the limiting rotating shaft 82 rotates along with the rotation, and the torsion detection mechanism 2 performs torsion detection.

The torsion detection mechanism 2 further comprises a torsion detection sliding table air cylinder 26 and a torsion meter mounting plate 27, the torsion detection sliding table air cylinder 26 is vertically mounted on the torsion detection support 25, the output end of the torsion detection sliding table air cylinder 26 is connected with the torsion meter mounting plate 27, the torsion meter 23 is mounted on the torsion meter mounting plate 27, the lower end of the clutch ball cage 21 is connected with a rotating shaft of the torsion meter 23 through a ball cage coupler 22, a plurality of proximity switches 24 are distributed on the outer side of the torsion meter 23, and the proximity switches 24 are mounted on the proximity switch support 28.

When the torsion detection is carried out, the torsion detection sliding table air cylinder 26 pushes the torsion meter mounting plate 27 to move upwards, the clutch ball cage 21 is inserted into the limit rotating shaft 82 to be connected with the limit rotating shaft, the lens torsion assembly 14 operates, the torsion meter 23 is matched with the proximity switches 24 to carry out the torsion detection, after the detection is finished, the torsion detection sliding table air cylinder 26 drives the torsion meter mounting plate 27 to move downwards, and the clutch ball cage 21 is separated from the limit rotating shaft 82.

In this embodiment, preferably, the number of the proximity switches 23 is three, the three proximity switches 23 are used to monitor whether the rotation stroke of the torsion meter 23 matches the set torsion range, if the rotation stroke is within the matching range, the torsion is determined to be up to standard and is qualified, otherwise, the torsion is determined to be defective, the three proximity switches 23 are a first proximity switch, a second proximity switch and a third proximity switch in sequence, the first proximity switch is set as a detection origin, and the stroke between the second proximity switch and the third proximity switch is a torsion qualified interval; according to the qualified range of the lens torsion, the rotation range of the rotary pneumatic collet chuck 143 is obtained, so that the number of rotation turns of the rotary driving motor 141 during torsion detection can be set, when the torsion detection is performed, the rotary pneumatic collet chuck 143 drives the lens clamping jaw 144 to clamp the lens 7, the rotary driving motor 141 rotates according to the set number of turns, the camera lens component drives the limiting rotating shaft 82 to rotate, the limiting rotating shaft 82 drives the clutch ball cage 21 to rotate, the clutch ball cage 21 drives the torsion meter 23 to rotate, when the torsion meter 23 rotates to a position between the second proximity switch and the third proximity switch, the torsion is judged to be up to standard and is qualified, and if the torsion exceeds the positions of the three proximity switches or does not reach the position of the second proximity switch, the torsion is judged to be not up to standard and is unqualified; after the detection is completed, the torsion driving motor 141 operates to drive the camera lens assembly to reset, and the torsion meter 23 resets.

The locking mechanism 3 comprises a locking cylinder 31, a limit shifting block 32, a linear rail sliding bracket 33, a limit clamping joint 34, a linear rail guide rail 35, a linear rail support 36, a spring 37 and a spring connecting column 38, the locking cylinder 31 is fixed on the fixed platform 5 through a bolt, the output end of the locking cylinder 31 is connected with the limiting shifting block 32, the limiting shifting block 32 is arranged on one side of the linear rail sliding support 33, the upper end of the linear rail sliding support 33 is provided with a shifting rod matched with the limiting shifting block 32, the linear rail sliding support 33 is in sliding connection with the linear rail guide rail 35, the linear rail guide rail 35 is installed on the linear rail support 36, one end of the spring 37 is connected with the linear rail sliding support 33, the other end of the spring 37 is connected with the spring connecting column 38, the spring connecting column 38 is fixed on the rotating platform 4, the front end of the linear rail sliding support 33 is provided with a limiting clamping joint 34, and a clamping groove matched with the limiting clamping joint 34 is formed in the limiting rotating shaft 82; the locking mechanism 3 is used for limiting rotation of the limiting rotating shaft 82, when the wire track sliding support 33 is in a locking state, the limiting clamping connector 34 is inserted into the clamping groove at the side end of the limiting rotating shaft 82 under the action of tension of the spring 37, the limiting rotating shaft 82 cannot rotate, when torsion detection is carried out, the limiting rotating shaft 82 needs to rotate freely, the locking cylinder 31 pulls the wire track sliding support 33 to move on the wire track guide rail 35, the limiting clamping connector 34 is separated from the limiting rotating shaft 82, and free rotation of the limiting rotating shaft 82 can be achieved.

The working principle of the utility model is as follows:

according to the torsion automatic detection device for the assembly of the camera lens, a single torsion detection station is integrally provided with two groups of automatic detection devices, so that automatic torsion detection can be performed on two groups of camera lens assemblies simultaneously, and the detection efficiency and accuracy are improved. The working mode of the lens torsion detection is as follows:

1. under the drive of the rotating platform 4, the camera lens assembly reaches a torsion detection station, at the moment, the camera lens assembly is installed on the lens rotating support 8, the lens holder 6 is clamped on the lens holder clamp 81, the locking mechanism 3 is in a locking state at the moment, the wire rail sliding support 33 is under the tension of the spring 37, the limiting clamping joint 34 is inserted into the clamping groove at the side end of the limiting rotating shaft 82, and the limiting rotating shaft 82 cannot rotate;

2. the torsion detection sliding table cylinder 26 pushes the torsion meter mounting plate 27 to move upwards, and the clutch ball cage 21 is inserted into the limit rotating shaft 82 to be connected with the limit rotating shaft; the lifting slide table assembly 13 drives the lens torsion assembly 14 to descend to a lens 7 clamping position, wherein the lifting servo motor 131 operates to drive the ball screw 134 to rotate, the screw cylinder of the ball screw 134 rotates to move downwards along with the screw rod, the screw cylinder drives the screw rod connecting seat 133 to move downwards, the screw rod connecting seat 133 drives the lifting slide block 136 to move downwards on the lifting slide rail 135 through the driving block, the lifting slide block 136 drives the rotary pneumatic collet chuck 143 to move downwards until the lens clamping jaw 144 reaches the clamping position, and the rotary pneumatic collet chuck 143 drives the lens clamping jaw 144 to clamp the lens 7;

3. the locking mechanism 3 is unlocked, the locking cylinder 31 pulls the wire rail sliding support 33 to move on the wire rail guide rail 35, the limiting clamping joint 34 is separated from the limiting rotating shaft 82, and the limiting rotating shaft 82 can rotate freely.

4. The torsion driving motor 141 rotates to a set stroke, the torsion driving motor 141 drives the rotary pneumatic collet chuck 143 to rotate through the belt 142, the lens clamping jaw 144 clamps the lens 7 to apply directional torsion force, the limiting rotating shaft 82 rotates along with the rotation, the limiting rotating shaft 82 drives the clutch ball cage 21 to rotate, the clutch ball cage 21 drives the torsion meter 23 to rotate, when the torsion meter 23 rotates to a position between the second proximity switch and the third proximity switch, the torsion is judged to be up to standard and is qualified, and if the torsion exceeds the positions of the three proximity switches or does not reach the position of the second proximity switch, the torsion is judged to be not up to standard and is unqualified.

5. After the torque detection is finished, the torsion driving motor 141 operates to drive the camera lens assembly to reset, and the torsion meter 23 resets; the locking mechanism 3 locks the limit rotating shaft 82 to limit the rotation thereof; the torque detection sliding table cylinder 26 drives the clutch ball cage 21 to move downwards to be separated from the limit rotating shaft 82, the lens clamping jaw 144 releases the lens 7, and the lifting sliding table assembly 13 drives the lens torsion assembly 14 to move upwards for resetting.

6. The rotating platform 4 rotates to drive the camera lens component after torsion detection to move to the next station, and the automatic torsion detection device performs the next group of detection.

According to the automatic torsion detection device for assembling the camera lens, the camera lens assembly is arranged on the lens rotating support 8, the locking mechanism 3 can lock the lens rotating support 8 to limit the rotation of the camera lens assembly, the torsion after the camera lens assembly is automatically detected through the cooperation of the lens torsion mechanism 1 and the torsion detection mechanism 2, the detection is not required to be performed through manual operation, the detection efficiency is greatly improved, meanwhile, errors caused by manual detection can be avoided, and the detection accuracy is improved; the device can simultaneously carry out torsion detection on two groups of camera lens assemblies at one time, so that the detection speed is improved, the detection efficiency and the product quality can be improved through continuous automatic detection, and the labor cost is reduced; the device obtains the rotation range of the rotary pneumatic collet chuck 143 according to the qualified range of the lens torsion, thereby setting the rotation number of the torsion driving motor 141 when torsion detection is carried out, the locking mechanism 3 is unlocked, the torsion detecting mechanism 2 is lifted and connected with the lens rotary support 8 through the clutch ball cage 21, the lens torsion mechanism 1 drives the lens torsion component 14 to lift through the lifting slide table component 13, the rotary pneumatic collet chuck 143 drives the lens clamping jaw 144 to clamp the lens 7, the torsion driving motor 141 rotates according to the set stroke, the camera lens component drives the limit rotating shaft 82 to rotate, the limit rotating shaft 82 drives the clutch ball cage 21 to rotate, the clutch ball cage 21 drives the torsion meter 23 to rotate, the torsion meter 23 is matched with the proximity torsion switch 24, whether the lens is in the qualified range is judged according to the rotation stroke of the torsion meter 23, the detection result is accurate, missing detection, false detection and false detection are effectively avoided, defective products are prevented from flowing out, and the product quality is improved.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (7)

1. A torsion automatic detection device for assembling a camera lens comprises a lens torsion mechanism, a torsion detection mechanism, a rotating platform, a fixed platform and a lens rotating support, and is characterized in that the torsion detection mechanism is correspondingly arranged below the lens torsion mechanism, the lens rotating support is arranged between the torsion detection mechanism and the lens torsion mechanism and is arranged on the rotating platform, a locking mechanism used for limiting the rotation of the lens rotating support is arranged on the rotating platform, the lens torsion mechanism is arranged on the fixed platform, and the torsion detection mechanism is positioned below the rotating platform; the camera lens assembly comprises a lens seat and a lens; the lens torsion mechanism comprises a torsion base, a lifting sliding table assembly and a lens torsion assembly, the torsion base is fixed on the fixed platform, the torsion base is connected with the lifting sliding table assembly through a connecting plate, and the lens torsion assembly is arranged on the lifting sliding table assembly; the torsion detection mechanism comprises a clutch ball cage, a torsion meter, a plurality of proximity switches and a torsion detection support.

2. The automatic torsion detection device for assembling the camera lens according to claim 1, wherein the lifting slide table assembly includes a lifting servo motor, a motor coupler, a lead screw connecting seat, a ball screw, a lifting slide rail and a lifting slide block, the lifting servo motor is fixed on the connecting plate, an upper end of the ball screw is connected with an output shaft of the lifting servo motor through the motor coupler, a screw cylinder of the ball screw is installed in the lead screw connecting seat, the lead screw connecting seat is slidably connected with the connecting plate, the lifting slide block is slidably disposed on the lifting slide rail, the lifting slide rail is fixed on the connecting plate, a driving block is disposed on the lead screw connecting seat, a groove matched with the driving block is formed in the lifting slide block, the driving block is located in the groove, and the lens torsion assembly is connected with the lifting slide block.

3. The automatic torsion detection device for assembling the camera lens as claimed in claim 2, wherein the lens torsion assembly comprises a torsion driving motor, a belt, a rotary pneumatic collet, a lens clamping jaw and a torsion bracket, the torsion bracket is connected with the lifting slider through a bolt, the upper end of the rotary pneumatic collet is connected with the torsion bracket through a ball head, the torsion driving motor is mounted on the motor bracket, the motor bracket is fixed on the cylinder wall of the rotary pneumatic collet, the rotary pneumatic collet is connected with the torsion driving motor through the belt, and the lens clamping jaw is arranged at the output end of the rotary pneumatic collet.

4. The automatic torsion detection device for assembling the camera lens according to claim 1 or 3, wherein the lens rotating support includes a lens holder clamp, a limiting rotation shaft and a bearing seat, the bearing seat is mounted on the rotating platform through a bolt, the limiting rotation shaft is mounted on the bearing seat, a clutch groove matched with the clutch ball cage is formed at a lower end of the limiting rotation shaft, the lens holder clamp is fixed at an upper end of the limiting rotation shaft through a bolt, and the lens holder is clamped with the lens holder clamp.

5. The automatic torsion detection device for the assembly of the camera lens as claimed in claim 4, wherein the torsion detection mechanism further comprises a torsion detection sliding table cylinder and a torsion meter mounting plate, the torsion detection sliding table cylinder is vertically mounted on the torsion detection bracket, an output end of the torsion detection sliding table cylinder is connected with the torsion meter mounting plate, the torsion meter is mounted on the torsion meter mounting plate, a lower end of the clutch ball cage is connected with a rotating shaft of the torsion meter through a ball cage coupler, a plurality of proximity switches are distributed on the outer side of the torsion meter, and the proximity switches are mounted on the proximity switch bracket.

6. The automatic torsion detection device for assembling the camera lens as claimed in claim 5, wherein the number of the proximity switches is three, the three proximity switches are a first proximity switch, a second proximity switch and a third proximity switch in sequence, the first proximity switch is set as a detection origin, and a stroke between the second proximity switch and the third proximity switch is a torsion qualified interval.

7. The automatic torsion detecting device for assembling a camera lens according to claim 6, wherein, locking mechanism is including locking cylinder, spacing shifting block, line rail sliding bracket, spacing joint head, line rail guide rail, the line rail support, spring and spring coupling post, the locking cylinder passes through the bolt fastening on fixed platform, the output and the spacing shifting block of locking cylinder are connected, spacing shifting block sets up the one side at line rail sliding bracket, line rail sliding bracket upper end is provided with the driving lever with spacing shifting block complex, line rail sliding bracket and line rail guide rail sliding connection, the line rail guide rail is installed on the line rail support, the one end and the line rail sliding bracket of spring are connected, the other end and the spring coupling post of spring are connected, the spring coupling post is fixed on the rotation platform, line rail sliding bracket's front end is provided with spacing joint head, set up in the spacing pivot with spacing joint head matched with joint groove.

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