Thickness measuring instrument for optical lens

Abstract

The utility model relates to the technical field of lens detection equipment, in particular to a thickness measuring instrument for an optical lens, which comprises a bottom plate, a placement table is fixedly connected to the surface of the bottom plate, an optical lens body is placed on the surface of the placement table, a measuring mechanism is arranged on the surface of the bottom plate, and the measuring mechanism comprises a vertical frame. The vertical frame is fixedly connected to the surface of the bottom plate, and a sliding block is slidably connected to the surface of the vertical frame. According to the measuring mechanism, the digital display dial indicator body is lifted twice, the digital display dial indicator body is quickly lifted firstly and then slowly lifted, so that the lifting efficiency of the digital display dial indicator body is ensured, and the detection accuracy of the digital display dial indicator body is also ensured; the time wasted by the lifting of the digital display dial indicator body is reduced, and the detection efficiency of the thickness measuring instrument is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lens detection equipment technical field, concretely is a kind of thickness measuring instrument for optical lens. BACKGROUND

[0002] Optical lens is melted at high temperature by quartz, glass and plastic and the like material, then is poured into mould and is cooled into shape, then the cooled blank is cut off and is formed into sheet body after rough grinding, fine grinding and polishing process, and the thickness of optical lens needs to use thickness measuring instrument to measure, to control the quality of optical lens.

[0003] Optical lens uses thickness measuring instrument, the detection end of digital dial micrometer is resisted on optical lens, to detect the thickness of optical lens, but the existing thickness measuring instrument uses slowly lifting mechanism to drive lifting to ensure the accuracy of measurement, so that the lifting speed of digital dial micrometer is slow, which causes the thickness measuring instrument to spend a lot of time to lower the detection end of digital dial micrometer to optical lens, greatly reduces the detection efficiency of thickness measuring instrument. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of thickness measuring instrument for optical lens, to solve the problem that the existing thickness measuring instrument is proposed in the above background art to ensure the accuracy of measurement, so that the lifting speed of digital dial micrometer is slow, which causes the thickness measuring instrument to spend a lot of time to lower the detection end of digital dial micrometer to optical lens, greatly reduces the detection efficiency of thickness measuring instrument.

[0005] To achieve the above object, the utility model provides the following technical scheme, a kind of thickness measuring instrument for optical lens: including bottom plate, the surface of the bottom plate is fixedly connected with placing table, the surface of the placing table is placed with optical lens body, the surface of the bottom plate is provided with measuring mechanism, the measuring mechanism includes stand, the surface of the stand is fixedly connected on the surface of bottom plate, the surface of the stand is slidably connected with sliding block, the surface of the sliding block is fixedly connected with first spring, the surface of the first spring is fixedly connected with first limit rod, the first limit rod is slidably connected on the surface of sliding block, the surface of the sliding block is fixedly connected with support frame, the surface of the support frame is rotatably connected with ball screw, one end of the ball screw is fixedly connected with first knob, the surface of the ball screw is threadedly connected with square nut, the bottom of the square nut is fixedly installed with digital dial micrometer body, the surface of the bottom plate is provided with clamping mechanism, the clamping mechanism includes bidirectional screw rod, the surface of the bidirectional screw rod is rotatably connected on the surface of bottom plate, one end of the bidirectional screw rod is fixedly connected with second knob, the surface of the second knob is threadedly connected with moving plate, the surface of the moving plate is fixedly connected with clamping rod.

[0006] Preferably, the surface of the support frame is provided with a shielding mechanism, the shielding mechanism comprises a rotating rod, the rotating rod is rotationally connected on the surface of the support frame, the bottom of the rotating rod is fixedly connected with a support rod, the top of the rotating rod is fixedly connected with a limiting plate, the bottom of the support rod is fixedly connected with a protective round cover, the bottom of the protective round cover is provided with a sealing ring, the surface of the support frame is fixedly connected with a guide block, the surface of the guide block is fixedly connected with a second spring in sequence, the surface of the second spring is fixedly connected with a second limiting rod, and the second limiting rod is slidingly connected on the surface of the guide block.

[0007] Preferably, a plurality of limiting holes are formed in the surface of the stand, a guide hole is formed in the surface of the sliding block, the first limiting rod slides on the guide hole of the sliding block, the first spring enables the first limiting rod to slide and be inserted into the limiting hole of the stand through elastic force, and the first limiting rod limits the sliding block on the surface of the stand through the limiting hole of the stand.

[0008] Preferably, a guide groove is formed in the surface of the support frame, the ball screw slides and lifts on the guide groove of the support frame through rotary driving of the square nut, and the square nut drives the digital dial micrometer body to synchronously lift.

[0009] Preferably, a threaded hole is formed in the surface of the moving plate, the bidirectional screw rod is threadedly connected in the threaded hole of the moving plate, the moving plate slides on the surface of the bottom plate through rotary driving of the bidirectional screw rod, the moving plate is provided with two groups, the sliding directions of the two groups of moving plates are opposite, and the moving plate drives the clamping rod to synchronously slide.

[0010] Preferably, the support rod is in the shape of "L", the support rod rotates at the bottom of the support frame through the rotating rod, the support rod drives the protective round cover to synchronously rotate, and the top of the protective round cover is lower than the bottom of the digital dial micrometer body in height.

[0011] Preferably, the limiting plate is in the shape of "L", two groups of limiting holes are formed in the surface of the limiting plate, the second spring enables the second limiting rod to slide on the guide block and be inserted into the limiting hole of the limiting plate through elastic force, and the second limiting rod limits the rotating rod to rotate on the support frame through the limiting plate.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] 1. The thickness measuring instrument, pulling the first limiting rod makes the first limiting rod move out of the limiting hole of the stand, sliding the sliding block on the surface of the stand, making the sliding block drive the digital dial gauge body to rise and fall quickly through the support frame, and then using the elastic force of the first spring to make the first limiting rod be inserted in the limiting hole of the stand, realizing the limiting of the sliding block on the stand, at this time, the first knob drives the ball screw to rotate, the ball screw drives the square nut to rise and fall through rotation, and the square nut drives the digital dial gauge body to rise and fall slowly, so as to realize the two times of lifting of the digital dial gauge body, through the quick lifting of the digital dial gauge body first and then the slow lifting of the digital dial gauge body, the efficiency of lifting of the digital dial gauge body is ensured, the accuracy of detection of the digital dial gauge body is ensured, the time of lifting of the digital dial gauge body is saved, and the detection efficiency of the thickness measuring instrument is improved.

[0014] 2. The thickness measuring instrument, the rotating support rod through the rotating rod makes the support rod drive the protective dome to rotate to the top of the placement table, at this time, the second spring makes the second limiting rod slide upward on the guide block to be inserted in the limiting hole of the limiting plate through the elastic force, the second limiting rod rotates the rotating rod through the limiting plate, so as to limit the positions of the support rod and the protective dome, at this time, the support frame drives the protective dome to descend to the surface of the bottom plate in the descending process, so that the protective dome extrudes the sealing ring on the bottom plate, the protective dome completely covers the placement table on the surface of the bottom plate, and dust falling on the placement table is avoided, so that the cleaning work of the placement table is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure front view schematic diagram of the utility model;

[0016] Figure 2 It is a structure front view schematic diagram of the utility model;

[0017] Figure 3 It is a structure top view schematic diagram of the utility model;

[0018] Figure 4 It is a structure front view schematic diagram of the utility model Figure 1 enlarged structure schematic diagram of A place in the utility model;

[0019] Figure 5 It is a structure front view schematic diagram of the utility model protective dome structure.

[0020] In the figure: 1, the base plate; 11, the placing table; 12, the optical lens body; 2, the stand; 21, the sliding block; 22, the first spring; 23, the first limiting rod; 24, the support frame; 25, the ball screw; 26, the first knob; 27, the square nut; 28, the digital dial gauge body; 3, the rotating rod; 31, the support rod; 32, the protective round cover; 33, the limiting plate; 34, the guide block; 35, the second spring; 36, the second limiting rod; 37, the sealing ring; 4, the bidirectional screw rod; 41, the second knob; 42, the moving plate; 43, the clamping rod. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-5 The present application provides an embodiment:

[0023] A kind of thickness gauge for optical lens;It includes base plate 1, the surface of base plate 1 is fixedly connected with placing table 11, optical lens body 12 is placed on the surface of placing table 11, measuring mechanism is provided on the surface of base plate 1, measuring mechanism includes stand 2, stand 2 is fixedly connected on the surface of base plate 1, slidingly connected with sliding block 21 on the surface of stand 2, first spring 22 is fixedly connected on the surface of sliding block 21, first limiting rod 23 is fixedly connected on the surface of first spring 22, first limiting rod 23 is slidingly connected on the surface of sliding block 21, support frame 24 is fixedly connected on the surface of sliding block 21, ball screw 25 is rotatably connected on the surface of support frame 24, first knob 26 is fixedly connected on one end of ball screw 25, square nut 27 is threadedly connected on the surface of ball screw 25, digital dial gauge body 28 is fixedly installed on the bottom of square nut 27, clamping mechanism is provided on the surface of base plate 1, clamping mechanism includes two-way screw rod 4, two-way screw rod 4 is rotatably connected on the surface of base plate 1, second knob 41 is fixedly connected on one end of two-way screw rod 4, moving plate 42 is threadedly connected on the surface of second knob 41, clamping rod 43 is fixedly connected on the surface of moving plate 42, the detection mechanism uses the principle of secondary lifting, can first fast lifting of digital dial gauge body 28, then slow lifting of digital dial gauge body 28, so as to guarantee the efficiency of digital dial gauge body 28 lifting, also guarantee the accuracy of digital dial gauge body 28 detection, reduce the waste time of digital dial gauge body 28 lifting, improve the detection efficiency of thickness gauge, and clamping mechanism can realize the clamping of optical lens body 12 on placing table 11, guarantee the stability of optical lens body 12 in the detection process.

[0024] Further, the surface of support frame 24 is provided with shielding mechanism, shielding mechanism includes rotating rod 3, rotating rod 3 is rotatably connected on the surface of support frame 24, support rod 31 is fixedly connected on the bottom of rotating rod 3, limiting plate 33 is fixedly connected on the top of rotating rod 3, protective round cover 32 is fixedly connected on the bottom of support rod 31, sealing ring 37 is arranged on the bottom of protective round cover 32, guide block 34 is fixedly connected on the surface of support frame 24, second spring 35 is fixedly connected on the surface of guide block 34, second limiting rod 36 is fixedly connected on the surface of second spring 35, second limiting rod 36 is slidingly connected on the surface of guide block 34, the shielding mechanism can shield placing table 11 on the surface of base plate 1 through protective round cover 32 in the process of not detecting optical lens body 12, so as to avoid dust falling on placing table 11, so as to reduce the cleaning work of placing table 11.

[0025] Further, a plurality of limiting holes are arranged on the surface of the stand 2 in a linear and uniform manner, a guide hole is arranged on the surface of the sliding block 21, the first limiting rod 23 slides on the guide hole of the sliding block 21, the first spring 22 enables the first limiting rod 23 to slide and be inserted into the limiting hole of the stand 2 through the elastic force, the first limiting rod 23 limits the sliding block 21 on the surface of the stand 2 through the limiting hole of the stand 2, the sliding block 21 is in the shape of a "day" as a whole, and the digital dial gauge body 28 is lifted by the support frame 24 in the sliding process of the sliding block 21, so that the height of the digital dial gauge body 28 is quickly adjusted.

[0026] Further, a guide groove is arranged on the surface of the support frame 24, the ball screw 25 slides and lifts on the guide groove of the support frame 24 through the rotary driving of the square nut 27, the square nut 27 drives the digital dial gauge body 28 to synchronously lift, at this time, the square nut 27 drives the digital dial gauge body 28 to slowly lift on one side of the support frame 24, so that the height of the digital dial gauge body 28 is finely adjusted, and the detection accuracy of the digital dial gauge body 28 on the optical lens body 12 is ensured.

[0027] Further, a threaded hole is arranged on the surface of the moving plate 42, the bidirectional screw rod 4 is screwed on the threaded hole of the moving plate 42, the second knob 41 drives the bidirectional screw rod 4 to rotate, the bidirectional screw rod 4 drives the moving plate 42 to slide on the surface of the bottom plate 1 through the rotary driving, the moving plate 42 is provided with two groups, and the sliding directions of the two groups of moving plates 42 are opposite, the moving plate 42 drives the clamping rod 43 to synchronously slide, the clamping rod 43 is in the shape of a "V" as a whole, and the optical lens body 12 is fixed on the placement table 11 in the sliding process of the clamping rod 43.

[0028] Further, the support rod 31 is in the shape of an "L", the support rod 31 rotates on the bottom of the support frame 24 through the rotating rod 3, the support rod 31 drives the protective circular cover 32 to synchronously rotate, the top of the protective circular cover 32 is lower than the bottom of the digital dial gauge body 28 in the horizontal height, so that the protective circular cover 32 does not touch the detection end of the digital dial gauge body 28 in the rotating process, the protective circular cover 32 can be rotatably arranged above the optical lens body 12, the diameter of the protective circular cover 32 is greater than the diameter of the placement table 11, and the support frame 24 can drive the protective circular cover 32 to descend through the support rod 31, so that the protective circular cover 32 covers the placement table 11 on the surface of the bottom plate 1.

[0029] Further, the limiting plate 33 is in the shape of "L", two groups of limiting holes are formed on the surface of the limiting plate 33, the second spring 35 makes the second limiting rod 36 slide on the guide block 34 to be inserted into the limiting hole of the limiting plate 33 by the elastic force, the second limiting rod 36 limits the rotation of the rotating rod 3 on the support frame 24 through the limiting plate 33, so as to guarantee the angle of the support rod 31 and the protective round cover 32 at the bottom of the support frame 24, when the digital dial gauge body 28 is detected, the protective round cover 32 is rotated and moved away from the placement table 11, when the digital dial gauge body 28 is not used, the protective round cover 32 is lowered to the surface of the bottom plate 1 and covers the placement table 11, and the sealing ring 37 at the top of the protective round cover 32 guarantees the sealing property of the protection of the placement table 11.

[0030] Working principle: pulling the first limiting rod 23 makes the first limiting rod 23 move out of the limiting hole of the stand 2, and the sliding block 21 slides on the surface of the stand 2, so that the sliding block 21 drives the digital dial gauge body 28 to rise and fall quickly through the support frame 24, and then the elastic force of the first spring 22 makes the first limiting rod 23 be inserted into the limiting hole of the stand 2, so as to limit the sliding block 21 on the stand 2, at this time, the first knob 26 drives the ball screw 25 to rotate, the ball screw 25 drives the square nut 27 to rise and fall through the rotation, and the square nut 27 drives the digital dial gauge body 28 to rise and fall slowly, so as to realize the twice rise and fall of the digital dial gauge body 28, through the first quick rise and fall of the digital dial gauge body 28 and then the slow rise and fall of the digital dial gauge body 28, the efficiency of the rise and fall of the digital dial gauge body 28 is guaranteed, the accuracy of the detection of the digital dial gauge body 28 is guaranteed, the waste time of the rise and fall of the digital dial gauge body 28 is reduced, and the detection efficiency of the thickness measuring instrument is improved.

[0031] The rotating rod 3 rotates the support rod 31, the support rod 31 drives the protective round cover 32 to rotate to the top of the placement table 11, at this time, the second spring 35 makes the second limiting rod 36 slide upward on the guide block 34 to be inserted into the limiting hole of the limiting plate 33 by the elastic force, the second limiting rod 36 rotates the rotating rod 3 through the limiting plate 33, so as to limit the positions of the support rod 31 and the protective round cover 32, at this time, when the support frame 24 drives the protective round cover 32 to descend to the surface of the bottom plate 1, the protective round cover 32 extrudes the sealing ring 37 on the bottom plate 1, the protective round cover 32 completely covers the placement table 11 on the surface of the bottom plate 1, and the dust on the placement table 11 is avoided, so as to reduce the cleaning work of the placement table 11.

[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A pachymeter for an optical lens, characterized in that: The application relates to a measuring device for optical lenses, which comprises a bottom plate (1), a placing table (11) fixedly connected to the surface of the bottom plate (1), an optical lens body (12) placed on the surface of the placing table (11), a measuring mechanism arranged on the surface of the bottom plate (1), a stand (2) fixedly connected to the surface of the bottom plate (1), a sliding block (21) slidingly connected to the surface of the stand (2), a first spring (22) fixedly connected to the surface of the sliding block (21), a first limiting rod (23) fixedly connected to the surface of the first spring (22), the first limiting rod (23) slidingly connected to the surface of the sliding block (21), a supporting frame (24) fixedly connected to the surface of the sliding block (21), a ball screw (25) rotatably connected to the surface of the supporting frame (24), a first knob (26) fixedly connected to one end of the ball screw (25), a square nut (27) threadedly connected to the surface of the ball screw (25), a digital dial gauge body (28) fixedly arranged at the bottom of the square nut (27), a clamping mechanism arranged on the surface of the bottom plate (1), a bidirectional screw rod (4) rotatably connected to the surface of the bottom plate (1), a second knob (41) fixedly connected to one end of the bidirectional screw rod (4), a moving plate (42) threadedly connected to the surface of the second knob (41), and a clamping rod (43) fixedly connected to the surface of the moving plate (42).

2. A pachymeter for optical lenses according to claim 1, characterized in that: The surface of the supporting frame (24) is provided with a shielding mechanism, the shielding mechanism comprises a rotating rod (3) rotatably connected to the surface of the supporting frame (24), a supporting rod (31) fixedly connected to the bottom of the rotating rod (3), a limiting plate (33) fixedly connected to the top of the rotating rod (3), a protective circular cover (32) fixedly connected to the bottom of the supporting rod (31), a sealing ring (37) arranged at the bottom of the protective circular cover (32), a guide block (34) fixedly connected to the surface of the supporting frame (24), a second spring (35) fixedly arranged on the surface of the guide block (34), a second limiting rod (36) fixedly connected to the surface of the second spring (35), and the second limiting rod (36) slidingly connected to the surface of the guide block (34).

3. A pachymeter for optical lenses according to claim 1, characterized in that: A plurality of limiting holes are arranged on the surface of the stand (2), a guide hole is arranged on the surface of the sliding block (21), the first limiting rod (23) slides on the guide hole of the sliding block (21), the first spring (22) drives the first limiting rod (23) to slide and be inserted into the limiting hole of the stand (2) through elastic force, and the first limiting rod (23) limits the sliding block (21) on the surface of the stand (2) through the limiting hole of the stand (2).

4. A pachymeter for optical lenses according to claim 3, characterized in that: A guide groove is arranged on the surface of the supporting frame (24), the ball screw (25) slides and lifts on the guide groove of the supporting frame (24) by rotating to drive the square nut (27), and the square nut (27) drives the digital dial gauge body (28) to synchronously lift.

5. A thickness meter for optical lenses according to claim 1, characterized in that: The moving plate (42) has a threaded hole on its surface. The bidirectional lead screw (4) is threadedly connected to the threaded hole of the moving plate (42). The bidirectional lead screw (4) drives the moving plate (42) to slide on the surface of the base plate (1) by rotation. There are two sets of moving plates (42), and the sliding directions of the two sets of moving plates (42) are opposite. The moving plate (42) drives the clamping rod (43) to slide synchronously.

6. A pachymeter for optical lenses according to claim 2, characterized in that: The support rod (31) is L-shaped. The support rod (31) rotates at the bottom of the support frame (24) via the rotating rod (3). The support rod (31) drives the protective cover (32) to rotate synchronously. The top horizontal height of the protective cover (32) is lower than the bottom horizontal height of the digital micrometer body (28).

7. A pachymeter for optical lenses according to claim 6, characterized in that: The limiting plate (33) is L-shaped. Two sets of limiting holes are provided on the surface of the limiting plate (33). The second spring (35) causes the second limiting rod (36) to slide on the guide block (34) and be inserted into the limiting hole of the limiting plate (33) by elastic force. The second limiting rod (36) restricts the rotation of the rotating rod (3) on the support frame (24) through the limiting plate (33).

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