CN114777716B - Lens thickness detector - Google Patents
Lens thickness detector Download PDFInfo
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- CN114777716B CN114777716B CN202210694090.3A CN202210694090A CN114777716B CN 114777716 B CN114777716 B CN 114777716B CN 202210694090 A CN202210694090 A CN 202210694090A CN 114777716 B CN114777716 B CN 114777716B
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- plate
- workbench
- rod
- lens
- limiting
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
Abstract
The invention relates to the technical field of thickness detection, and discloses a lens thickness detector which comprises a workbench, a positioning mechanism, a supporting mechanism and a detection mechanism, wherein the workbench is arranged on the workbench; the supporting mechanism is arranged in the middle of the workbench and comprises a mandril fixedly connected with the center of the workbench, the end part of the mandril is provided with a jacking head, and the outer side of the mandril is provided with a plurality of floating supporting components in sliding connection with the workbench; and the positioning mechanism comprises sliding grooves arranged at the front, the back, the left and the right of the workbench, the sliding grooves are connected with the clamping plates in a sliding manner, a third spring is arranged between the clamping plates and the sliding grooves, and four synchronous clamping components for driving the clamping plates to be away from each other are arranged at the end parts of the clamping plates. The invention is suitable for a lens thickness detector, and the support mechanism enables the lens with the cambered surface to be stably placed on the workbench, so that the lens is more convenient to clamp and facilitate subsequent thickness detection.
Description
Technical Field
The invention relates to the technical field of thickness detection, in particular to a lens thickness detector.
Background
The lens is made of transparent materials with one or more curved surfaces, wherein the transparent materials are made of optical materials such as glass or resin, and the optical observation effect can be realized through the matching of different lenses.
Can be used for the optical lens who observes in a large number in the in-process of marine investigation, the optical lens that here was used is convex mirror or concave mirror usually, that is to say that the lens itself is not a regular cube, and two faces of lens have certain radian, and ordinary thickness detection device can not be fine carry out the centre gripping to the lens, consequently need design one kind can be to the thickness detection device of cambered surface lens centre gripping.
Disclosure of Invention
The invention provides a lens thickness detector, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a lens thickness detector comprises a workbench, a positioning mechanism, a supporting mechanism and a detection mechanism;
the supporting mechanism is arranged in the middle of the workbench and comprises a mandril fixedly connected with the center of the workbench, the end part of the mandril is provided with a jacking head, and the outer side of the mandril is provided with a plurality of floating supporting components which are in sliding connection with the workbench;
the positioning mechanism comprises sliding grooves which are arranged on the front, the back, the left and the right of the workbench, the sliding grooves are connected with the clamping plates in a sliding manner, a third spring is arranged between the clamping plates and the sliding grooves, and the end parts of the four clamping plates are provided with synchronous clamping assemblies for driving the clamping plates to be away from each other;
detection mechanism, including setting up the elevating gear on the workstation, the lifter plate is connected to elevating gear's output, the middle part sliding connection sliding seat of lifter plate, the both ends sliding connection guide bar of sliding seat, the one end that the guide bar is close to the workstation is equipped with the bottom plate, is equipped with the slider on the bottom plate, and one side that the slider is close to the workstation is equipped with the top wheel, the one end that the workstation was kept away from to the guide bar is equipped with the roof, is equipped with the displacement sensor who detects the roof height on the sliding seat.
As a preferable technical scheme of the invention, the floating support assembly comprises a lifting rod in sliding connection with the workbench, and one end of the lifting rod, which is close to the detection mechanism, is provided with a support wheel.
As a preferable technical scheme, the floating support assembly further comprises a second limiting plate arranged at one end, far away from the detection mechanism, of the lifting rod, and a second spring is arranged between the second limiting plate and the workbench.
As a preferred technical scheme of the invention, the synchronous clamping assembly comprises a supporting rod rotatably connected with one end of the clamping plate far away from the detection mechanism, the end parts of the supporting rods on the left side and the right side are rotatably connected with two sides of the same synchronous plate, and the end parts of the supporting rods on the front side and the rear side are rotatably connected with two sides of the same synchronous plate.
As a preferred technical solution of the present invention, the middle of one of the synchronizing plates is fixedly connected to one end of a push rod, the middle of the push rod is slidably connected to the middle of the other of the synchronizing plates, the other end of the push rod is fixedly connected to a third limiting plate, and a fourth spring is disposed between the third limiting plate and the synchronizing plate slidably connected to the push rod.
According to a preferable technical scheme of the invention, the bottom plate is connected with the sliding block in a sliding manner, the bottom plate is provided with a limiting hole, the sliding block is connected with a limiting rod matched with the limiting hole in a sliding manner, the end part of the limiting rod is provided with a first limiting plate, and a first spring is arranged between the first limiting plate and the sliding block.
As a preferable technical scheme of the invention, the lifting plate is provided with a horizontal displacement assembly for adjusting the position of the sliding seat.
As a preferred technical scheme of the invention, the horizontal displacement assembly comprises a threaded plate arranged on a sliding seat, the middle part of the threaded plate is in threaded connection with a screw rod, one end of a lifting plate is provided with a driving motor, an output shaft of the driving motor is fixedly connected with the end part of the screw rod, the other end of the lifting plate is provided with a bearing seat, and the bearing seat is rotatably connected with the end part of the screw rod.
As a preferred technical scheme of the invention, the bearing seat is provided with an encoder for detecting the rotation angle of the screw rod.
The invention has the following advantages:
the invention is suitable for a lens thickness detector, the support mechanism enables the lens with the cambered surface to be stably placed on the workbench, and due to the arrangement of the positioning mechanism on the outer side, the lens can be automatically centered only by being placed on the workbench in the installation process, so that the lens is more convenient to clamp, and the subsequent thickness detection is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a lens thickness detector.
FIG. 2 is a front view of a lens thickness gauge.
Fig. 3 is a schematic structural diagram of a detection mechanism in the lens thickness detector.
Fig. 4 is a partially enlarged schematic view of a in fig. 3.
FIG. 5 is a schematic structural diagram of a supporting mechanism in the lens thickness measuring apparatus.
FIG. 6 is a front view of a support mechanism in a lens thickness monitor.
FIG. 7 is a schematic structural diagram of a lift pin and a lift head in the lens thickness measuring apparatus.
FIG. 8 is a schematic structural diagram of a positioning mechanism in a lens thickness measuring apparatus.
In the figure: 1. a lifting device; 2. a lifting plate; 3. a sliding seat; 4. a guide bar; 5. a slider; 6. a top wheel; 7. a drive motor; 8. a screw rod; 9. a thread plate; 10. a bearing seat; 11. an encoder; 12. a horizontal displacement assembly; 13. a top plate; 14. a displacement sensor; 15. a first spring; 16. a first limit plate; 17. a limiting hole; 18. a work table; 19. a second limiting plate; 20. a second spring; 21. a lifting rod; 22. a support wheel; 23. a top rod; 24. ejecting the head; 25. a floating support assembly; 26. a clamping plate; 27. a chute; 28. a third spring; 29. a base plate; 30. a support bar; 31. a synchronization board; 32. a synchronous clamping assembly; 33. a push rod; 34. a fourth spring; 35. a third limiting plate; 36. a positioning mechanism; 37. a support mechanism; 38. a detection mechanism; 39. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In one embodiment, referring to fig. 1-8, a lens thickness measuring apparatus includes a worktable 18, a positioning mechanism 36, a supporting mechanism 37, and a measuring mechanism 38;
the supporting mechanism 37 is arranged in the middle of the workbench 18 and comprises a top rod 23 fixedly connected with the center of the workbench 18, the end part of the top rod 23 is provided with a top head 24, the outer side of the top rod 23 is provided with a plurality of floating supporting assemblies 25 in sliding connection with the workbench 18, the top rod 23 is arranged in the center of the upper surface of the workbench 18, the top head 24 is arranged at the upper end of the top rod 23, and the top head 24 is made of rubber materials, so that the top head 24 is prevented from scratching lenses;
the positioning mechanism 36 comprises sliding chutes 27 arranged at the front, the rear, the left and the right of the workbench 18, the sliding chutes 27 are slidably connected with the clamping plates 26, third springs 28 are arranged between the clamping plates 26 and the sliding chutes 27, synchronous clamping assemblies 32 for driving the clamping plates 26 to be away from each other are arranged at the end parts of the four clamping plates 26, the sliding chutes 27 are arranged at the left, the right, the front and the rear of the workbench 18, the third springs 28 can pull the clamping plates 26 towards the center direction of the workbench 18, that is, the four clamping plates 26 can move towards the center direction of the workbench 18, so that the lens centering effect is realized, and the synchronous clamping assemblies 32 can separate the four clamping plates 26 from each other, so that the lenses can be placed conveniently;
the detection mechanism 38 comprises a lifting device 1 arranged on the workbench 18, the output end of the lifting device 1 is connected with a lifting plate 2, the middle part of the lifting plate 2 is connected with a sliding seat 3 in a sliding way, two ends of the sliding seat 3 are connected with guide rods 4 in a sliding way, one end of each guide rod 4 close to the workbench 18 is provided with a bottom plate 29, the bottom plate 29 is provided with a sliding block 5, one side of each sliding block 5 close to the workbench 18 is provided with a top wheel 6, one end of each guide rod 4 far away from the workbench 18 is provided with a top plate 13, the sliding seat 3 is provided with a displacement sensor 14 for detecting the height of the top plate 13, the lifting device 1 is arranged at the left end and the right end of the bottom plate 29, the lifting device 1 can be an air cylinder or an electric push rod as long as the lifting plate 2 is kept with a certain downward force value, the lifting plate 2 is arranged above the workbench 18 in a left-right direction, the lifting device 1 controls the lifting plate 2 to move up and down, and the middle part of the lifting plate 2 is connected with the sliding seat 3 in a front-back direction in a sliding way, the front end and the rear end of the sliding seat 3 are connected with the middle part of the guide rod 4 in a sliding way, and the lower end of the guide rod 4 is provided with a bottom plate 29.
In one aspect of the present embodiment, the floating support assembly 25 includes a lifting rod 21 slidably connected to the worktable 18, and a support wheel 22 is disposed at one end of the lifting rod 21 near the detection mechanism 38. The floating support assembly 25 further comprises a second limiting plate 19 disposed at one end of the lifting rod 21 far away from the detection mechanism 38, and a second spring 20 is disposed between the second limiting plate 19 and the workbench 18. The lifting rod 21 is arranged in an up-and-down direction, the second limit plate 19 is arranged at the lower end of the lifting rod 21, the supporting wheel 22 is arranged at the upper end of the lifting rod 21, the second spring 20 can push the lifting rod 21 upwards, so that the effect of supporting the lens is realized, the elastic coefficient of the second spring 20 is small, and therefore after the lens falls on the supporting wheel 22, the lifting rod 21 can be descended in a self-adaptive manner.
In one aspect of this embodiment, the synchronous clamping assembly 32 includes a supporting rod 30 rotatably connected to an end of the clamping plate 26 away from the detecting mechanism 38, the ends of the supporting rod 30 are rotatably connected to two sides of the same synchronous plate 31, and the ends of the supporting rod 30 are rotatably connected to two sides of the same synchronous plate 31. The middle part of one synchronous plate 31 is fixedly connected with one end of a push rod 33, the middle part of the push rod 33 is slidably connected with the middle part of the other synchronous plate 31, the other end of the push rod 33 is fixedly connected with a third limiting plate 35, and a fourth spring 34 is arranged between the third limiting plate 35 and the synchronous plate 31 which is slidably connected onto the push rod 33. The lower extreme of grip block 26 rotates the upper end of connecting support rod 30, for example the lower extreme of the bracing piece 30 of the left and right sides rotates the left and right sides of connecting synchronous board 31 in below, the lower extreme of the bracing piece 30 of the front and back both sides rotates the front and back both sides of connecting synchronous board 31 in top, the upper end of the synchronous board 31's of lower fixed surface connection push rod 33 in top, the lower extreme of push rod 33 has set up third limiting plate 35, third limiting plate 35 and the synchronous board 31 of below have set up fourth spring 34 between, when upwards promoting push rod 33, push rod 33 drives the synchronous board 31 rebound of top, push rod 33 promotes the synchronous board 31 of below also rebound through fourth spring 34 simultaneously, thereby make grip block 26 by separately, can lay to the lens this moment.
In one aspect of this embodiment, the bottom plate 29 is slidably connected to the slider 5, the bottom plate 29 is provided with a limiting hole 17, the slider 5 is slidably connected to a limiting rod 39 engaged with the limiting hole 17, a first limiting plate 16 is provided at an end of the limiting rod 39, and a first spring 15 is provided between the first limiting plate 16 and the slider 5. The first spring 15 will pull the limiting rod 39 downwards, so that the limiting rod 39 is inserted into the limiting hole 17, the position of the sliding block 5 on the bottom plate 29 is fixed, and the top wheel 6 can detect the thickness of the lens at different positions in front and back by moving the sliding block 5 back and forth.
In one aspect of the present embodiment, the lifting plate 2 is provided with a horizontal displacement assembly 12 for adjusting the position of the sliding seat 3. The horizontal displacement assembly 12 may move the sliding seat 3 left and right along the lifting plate 2. The horizontal displacement assembly 12 comprises a threaded plate 9 arranged on the sliding seat 3, the middle of the threaded plate 9 is in threaded connection with a lead screw 8, one end of the lifting plate 2 is provided with a driving motor 7, an output shaft of the driving motor 7 is fixedly connected with the end part of the lead screw 8, the other end of the lifting plate 2 is provided with a bearing seat 10, and the bearing seat 10 is rotatably connected with the end part of the lead screw 8. And an encoder 11 for detecting the rotation angle of the screw rod 8 is arranged on the bearing seat 10. The encoder 11 reads the rotation angle of the screw 8, so as to obtain the distance of the left and right displacement of the sliding seat 3.
In the implementation process of the present embodiment, the lifting device 1 is firstly started, so that the lifting plate 2 moves upwards, at this time, the push rod 33 is pushed upwards, the push rod 33 simultaneously pushes two synchronous plates 31 upwards, the synchronous plates 31 push the holding plates 26 to separate through the supporting rods 30, at this time, the lens to be detected is placed above the supporting mechanism 37, the lower surface of the lens is in contact with the supporting wheels 22 and the ejector head 24, the floating supporting assembly 25 slides downwards in a self-adaptive manner, so that multiple groups of supporting wheels 22 can be attached to the lower surface of the lens, thereby the lens is kept in a horizontal state at this time, the push rod 33 is released, under the action of the third spring 28, the holding plates 26 are ejected in four directions of the lens, and at this time, the lens completes the processing of holding and centering.
The limiting rod 39 is pulled upwards, the position of the sliding block 5 is adjusted forwards and backwards, the limiting rod 39 can be loosened after the adjustment is finished, the position of the sliding block 5 is fixed, the lifting device 1 is started reversely, the lifting device 1 drives the lifting plate 2 to move downwards, so that the top wheel 6 falls on the upper surface of the lens, the driving motor 7 is started, the driving motor 7 drives the top wheel 6 to move left and right, at the same time, the top wheel 6 also moves up and down adaptively, at the same time, the displacement sensor 14 detects the displacement distance of the top wheel 6, and the encoder 11 detects the horizontal displacement, thereby obtaining the position of the lens in space, detecting the positions of different points on the upper surface of the lens by continuously adjusting the front and back positions of the sliding block 5, reversing the lens at the moment, detecting the other surface of the lens, and inputting the detected data into a computer, thereby calculating the thicknesses of different positions of the lens.
The invention is suitable for a lens thickness detector, the supporting mechanism 37 enables the lens with the cambered surface to be stably placed on the workbench 18, and due to the arrangement of the positioning mechanism 36 on the outer side, the lens can be automatically centered only by being placed on the workbench 18 in the installation process, so that the lens is more convenient to clamp and convenient to detect the subsequent thickness.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A lens thickness detector is characterized by comprising a workbench, a positioning mechanism, a supporting mechanism and a detection mechanism;
the supporting mechanism is arranged in the middle of the workbench and comprises a mandril fixedly connected with the center of the workbench, the end part of the mandril is provided with a jacking head, and the outer side of the mandril is provided with a plurality of floating supporting components in sliding connection with the workbench;
the positioning mechanism comprises chutes arranged on the front, the rear, the left and the right of the workbench, the chutes are slidably connected with the clamping plates, third springs are arranged between the clamping plates and the chutes, synchronous clamping components for driving the clamping plates to be away from each other are arranged at the end parts of the four clamping plates, the synchronous clamping components comprise supporting rods rotatably connected with one ends, far away from the detection mechanism, of the clamping plates, the end parts of the supporting rods are rotatably connected with two sides of the same synchronous plate, the middle part of one synchronous plate is fixedly connected with one end of a push rod, the middle part of the push rod is slidably connected with the middle part of the other synchronous plate, the other end of the push rod is fixedly connected with a third limiting plate, and a fourth spring is arranged between the third limiting plate and the synchronous plate slidably connected with the push rod;
detection mechanism, including setting up the elevating gear on the workstation, the lifter plate is connected to elevating gear's output, the middle part sliding connection sliding seat of lifter plate, the both ends sliding connection guide bar of sliding seat, the one end that the guide bar is close to the workstation is equipped with the bottom plate, is equipped with the slider on the bottom plate, and one side that the slider is close to the workstation is equipped with the top wheel, the one end that the workstation was kept away from to the guide bar is equipped with the roof, is equipped with the displacement sensor who detects the roof height on the sliding seat.
2. The lens thickness detector according to claim 1, wherein the floating support assembly comprises a lifting rod slidably connected to the worktable, and a support wheel is disposed at an end of the lifting rod adjacent to the detection mechanism.
3. The lens thickness detector according to claim 2, wherein the floating support assembly further comprises a second limiting plate disposed at an end of the lifting rod away from the detection mechanism, and a second spring is disposed between the second limiting plate and the working platform.
4. The lens thickness detector according to claim 1, wherein the bottom plate is slidably connected to the sliding block, the bottom plate has a limiting hole, the sliding block is slidably connected to a limiting rod engaged with the limiting hole, a first limiting plate is disposed at an end of the limiting rod, and a first spring is disposed between the first limiting plate and the sliding block.
5. The lens thickness detector according to claim 1, wherein the lifting plate is provided with a horizontal displacement assembly for adjusting the position of the sliding seat.
6. The lens thickness detector according to claim 5, wherein the horizontal displacement assembly includes a threaded plate disposed on the sliding seat, a lead screw is threaded in the middle of the threaded plate, a driving motor is disposed at one end of the lifting plate, an output shaft of the driving motor is fixedly connected to an end of the lead screw, a bearing seat is disposed at the other end of the lifting plate, and the bearing seat is rotatably connected to an end of the lead screw.
7. The instrument of claim 6, wherein the bearing seat is provided with an encoder for detecting a rotation angle of the lead screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694090.3A CN114777716B (en) | 2022-06-20 | 2022-06-20 | Lens thickness detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694090.3A CN114777716B (en) | 2022-06-20 | 2022-06-20 | Lens thickness detector |
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| CN114777716A CN114777716A (en) | 2022-07-22 |
| CN114777716B true CN114777716B (en) | 2022-09-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115355814B (en) * | 2022-08-04 | 2023-04-07 | 山东双力板簧有限公司 | Steel plate spring flatness detection equipment |
| CN115143868A (en) * | 2022-09-05 | 2022-10-04 | 北京怀建集团辰辉建筑工程有限公司 | Ceramic tile roughness detector |
| CN115388791B (en) * | 2022-10-31 | 2023-01-24 | 临沂紫晶光电有限公司 | Lens thickness shape detection device and detection method |
| CN117367351B (en) * | 2023-12-07 | 2024-02-06 | 山东中科机械再制造有限公司 | Coating thickness detection equipment of laser cladding machine |
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