CN210268466U - Lens center thickness measuring device, reading device, positioning device and positioning sucker - Google Patents
Lens center thickness measuring device, reading device, positioning device and positioning sucker Download PDFInfo
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- CN210268466U CN210268466U CN201921696263.5U CN201921696263U CN210268466U CN 210268466 U CN210268466 U CN 210268466U CN 201921696263 U CN201921696263 U CN 201921696263U CN 210268466 U CN210268466 U CN 210268466U
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Abstract
The utility model relates to the technical field of measuring equipment, in particular to a lens center thickness measuring device, which comprises a reading device, a positioning device, a connecting block and a limiting pipe; the reading device is connected with the positioning device through a connecting block and a limiting pipe, the lens is arranged in the positioning device, the limiting pipe can be coaxially arranged with the lens in the positioning device, and the reading device comprises a driving shaft, a telescopic probe rod, a box body, a fixing plate, a first manual turntable, a first gear, a driven shaft, a second gear, a threaded bearing, a vernier and a main ruler; the one end of driving shaft is opened there is the cylindricality chamber, and the cylindricality intracavity lateral wall is provided with the internal thread, and the one end of flexible probe rod is passed through the screw thread and is set up in the cylindricality intracavity, has solved current can not the accurate lens central point position of confirming, and measurement accuracy is poor and easily causes the problem of lens wearing and tearing, makes the measurement more accurate effective, fully protects the lens, prevents to take place wearing and tearing destruction.
Description
Technical Field
The utility model belongs to the technical field of measuring equipment, concretely relates to lens center thickness measurement device.
Background
The accuracy of the central thickness of the single-chip optical lens can affect the imaging quality of the instrument, so that the overall effect of the instrument is affected. Particularly in mass production, all parts of the whole set of equipment are produced according to an ideal design for improving quality and efficiency, if only one part of the equipment does not meet the design requirement, the whole set of equipment is unqualified, efficiency and progress are affected, and the measurement of the central thickness of the optical lens is one of the items of optical part inspection and strict control. When the traditional measurement is carried out, the accuracy of the central point position directly influences the measurement precision of the lens, therefore, an inspector needs to move the measured lens back and forth to search the highest point (convex lens) or the lowest point (concave lens) during measurement, the detection speed is low, the precision error is large, the optical material is highly penetrated through when the optical material is used at present, the material is soft, a gauge head moves back and forth on the surface of the lens during detection, the surface of the lens is easily scratched, and the lens is scrapped.
Disclosure of Invention
The utility model overcomes above-mentioned prior art is not enough, provides a lens center thickness measurement device for solve current can not the accurate lens central point position of confirming, measurement accuracy is poor and easily cause the problem of lens wearing and tearing.
The technical scheme of the invention is as follows:
a lens center thickness measuring device comprises a reading device, a positioning device, a connecting block and a limiting pipe; the reading device is connected with the positioning device through a connecting block and a limiting pipe, the lens is arranged in the positioning device, and the limiting pipe and the lens in the positioning device can be coaxially arranged;
the reading device comprises a driving shaft, a telescopic feeler lever, a box body, a fixed plate, a first manual turntable, a first gear, a driven shaft, a second gear, a threaded bearing, a vernier and a main ruler; the one end of driving shaft is opened there is the cylindricality chamber, cylindricality intracavity lateral wall is provided with the internal thread, the one end of flexible probe rod is passed through the screw thread and is set up in the cylindricality intracavity, the other end setting of flexible probe rod is in spacing intraductal, rotate through the bearing and set up on the inside wall of box, the driving shaft passes the bearing in the fixed plate, and be connected with first manual turntable, be provided with first gear on the driving shaft in the box, the driven shaft passes bearing on the fixed plate and the box and rotates the setting, be provided with the second gear on the driven shaft in the box, first gear and second gear meshing, the upper end of driven shaft is provided with threaded bearing, threaded bearing's outer wall is provided with the vernier scale, 0 groove section of main scale passes the vernier scale setting.
Preferably, the positioning device comprises a square frame, a limiting piece, a screw nut, a screw rod, a second manual turntable, a connecting plate and a positioning sucker; the symmetry is provided with spacing piece in the square frame, the lateral wall central authorities of spacing piece link to each other with the movable rod that passes the square frame outer wall, the movable rod activity sets up on square frame, lens setting is between two spacing pieces, the one end of spacing piece offsets with a vertical inside wall of square frame and leans on, the other end of spacing piece is provided with screw nut, it has the rectangle chamber to open symmetrically on another inside wall of square frame, screw nut sets up in the rectangle intracavity, screw nut's one end sets up on square frame's last lateral wall, the other end passes two rectangle chambers and links to each other with the manual carousel of second of square frame lower extreme, screw nut in two rectangle intracavity all is provided with the screw thread, the interior thread symmetry in two rectangle chambers sets up, one side of square frame is provided with the connecting plate, it has circular through-hole to open on the connecting plate, circular through-hole's outer.
Preferably, the limiting pipe is symmetrically provided with limiting grooves.
Preferably, the telescopic feeler lever is provided with a limiting bulge, and the limiting bulge is positioned in a limiting groove on the limiting pipe.
Preferably, the positioning sucker comprises a rod shaft, a sucker and a return spring; one end of the plurality of rod shaft annular arrays is arranged on the sucker, the other end of the plurality of rod shaft annular arrays penetrates through the reset spring and is movably arranged on the outer wall of the circular through hole in the connecting plate, and the limiting pipe is coaxially arranged with the central axis of the sucker.
A reading device for a lens center thickness measuring device comprises a driving shaft, a telescopic probe rod, a box body, a fixing plate, a first manual turntable, a first gear, a driven shaft, a second gear, a threaded bearing, a vernier and a main ruler; the one end of driving shaft is opened there is the cylindricality chamber, cylindricality intracavity lateral wall is provided with the internal thread, the one end of flexible probe rod is passed through the screw thread and is set up in the cylindricality intracavity, the other end setting of flexible probe rod is in spacing intraductal, rotate through the bearing and set up on the inside wall of box, the driving shaft passes the bearing in the fixed plate, and be connected with first manual turntable, be provided with first gear on the driving shaft in the box, the driven shaft passes bearing on the fixed plate and the box and rotates the setting, be provided with the second gear on the driven shaft in the box, first gear and second gear meshing, the upper end of driven shaft is provided with threaded bearing, threaded bearing's outer wall is provided with the vernier scale, 0 groove section of main scale passes the vernier scale setting.
A positioning device for a lens center thickness measuring device comprises a square frame, a limiting piece, a lead screw nut, a lead screw, a second manual turntable, a connecting plate and a positioning sucker, wherein the square frame is provided with a positioning hole; the symmetry is provided with spacing piece in the square frame, the lateral wall central authorities of spacing piece link to each other with the movable rod that passes the square frame outer wall, the movable rod activity sets up on square frame, lens setting is between two spacing pieces, the one end of spacing piece offsets with a vertical inside wall of square frame and leans on, the other end of spacing piece is provided with screw nut, it has the rectangle chamber to open symmetrically on another inside wall of square frame, screw nut sets up in the rectangle intracavity, screw nut's one end sets up on square frame's last lateral wall, the other end passes two rectangle chambers and links to each other with the manual carousel of second of square frame lower extreme, screw nut in two rectangle intracavity all is provided with the screw thread, the interior thread symmetry in two rectangle chambers sets up, one side of square frame is provided with the connecting plate, it has circular through-hole to open on the connecting plate, circular through-hole's outer.
A positioning sucker for a lens center thickness measuring device comprises a rod shaft, a sucker and a return spring; one end of the plurality of rod shaft annular arrays is arranged on the sucker, the other end of the plurality of rod shaft annular arrays penetrates through the reset spring and is movably arranged on the outer wall of the circular through hole in the connecting plate, and the limiting pipe is coaxially arranged with the central axis of the sucker.
The utility model has the advantages that:
1) the rubber layer is arranged at one end of the rubber layer, which is in contact with the lens, through the limiting pieces, the groove is formed in the center of the rubber layer, the upper end and the lower end of the convex lens to be measured are aligned to the groove, installation is completed, the second manual rotary table rotates anticlockwise to drive the screw rod to rotate anticlockwise to drive the two screw nuts in the two giant cavities to move relatively, namely, the two screw nuts are close to each other, the two screw nuts move towards the upper inner side wall and the lower inner side wall, which are far away from the square frame, at the same speed under the action of positive and negative threads symmetrically arranged on the screw rod, and the second manual rotary table stops rotating until the lens is stably clamped between the two limiting pieces, the edges of the convex lens are.
2) The plane of the groove arranged in the center of the rubber layer and the middle axial planes of the upper side wall and the lower side wall of the square frame are positioned on the same plane, namely, the convex lens is positioned in the center inside the square frame, the vertical central axis of the lens and the middle axial planes of the upper side wall and the lower side wall of the square frame are ensured, in the same plane, the sucker presses the sucker on one side wall of the lens under the action of the reset spring and is positioned on the horizontal central axis of the lens, the central position of the lens can be accurately determined, meanwhile, the telescopic probe rod is abutted against the sucker due to the existence of the sucker and is not released from the lens, and the mirror surface of the lens is protected once.
3) Distance that screw bearing moved left is the same with the distance that the front end of flexible stock rod gos forward, supports to leaning on with the front end of sucking disc until the front end of rotatory flexible stock rod, and rotatory first manual carousel is hard promptly, and then reads out the number of degrees of vernier scale and main scale, marks as the distance that flexible stock rod gos forward, through the mating reaction of flexible stock rod, vernier scale, main scale, makes the number of degrees more convenient with the accuracy, and the accuracy is higher.
Drawings
Fig. 1 is a schematic view of the overall structure of a lens center thickness measuring device according to the present invention;
fig. 2 is a schematic partial cross-sectional view of a lens center thickness measuring apparatus according to the present invention;
FIG. 3 is a side view of a cut-away section of the positioning device;
FIG. 4 is a front view of a cut-away section of the positioning device;
fig. 5 is a combined schematic view of the driving shaft, the telescopic probe rod and the limiting tube.
In the figure: 1-reading device, 1-1-driving shaft, 1-2-cylindrical cavity, 1-3-telescopic probe rod, 1-4-box body, 1-5-fixing plate, 1-6-first manual rotating disc, 1-7-first gear, 1-8-driven shaft, 1-9-second gear, 1-10-threaded bearing, 1-11-vernier scale, 1-12-main scale, 2-positioning device, 2-1-square frame, 2-2-limiting plate, 2-3-screw nut, 2-4-rectangular cavity, 2-5-screw rod, 2-6-second manual rotating disc, 2-7-connecting plate, 2-8-circular through hole, 2-9-positioning sucker, 2-9-1-sucker, 2-9-2-reset spring, 3-connecting block, 4-limiting tube and 5-lens.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the present invention provides a lens center thickness measuring device, which is characterized in that: the device comprises a reading device 1, a positioning device 2, a connecting block 3 and a limiting pipe 4; the reading device 1 is connected with the positioning device 2 through a connecting block 3 and a limiting tube 4, the lens 5 is arranged in the positioning device 2, and the limiting tube 4 can be coaxially arranged with the lens 5 in the positioning device 2;
the reading device 1 comprises a driving shaft 1-1, a telescopic feeler lever 1-3, a box body 1-4, a fixing plate 1-5, a first manual turntable 1-6, a first gear 1-7, a driven shaft 1-8, a second gear 1-9, a threaded bearing 1-10, a vernier scale 1-11 and a main ruler 1-12; one end of the driving shaft 1-1 is provided with a cylindrical cavity 1-2, the inner side wall of the cylindrical cavity 1-2 is provided with internal threads, one end of a telescopic probe rod 1-3 is arranged in the cylindrical cavity 1-2 through threads, the other end of the telescopic probe rod 1-3 is arranged in a limiting pipe 4 and is rotatably arranged on the inner side wall of the box body 1-4 through a bearing, the driving shaft 1-1 penetrates through a bearing in a fixed plate 1-5 and is connected with a first manual rotating disc 1-6, a first gear 1-7 is arranged on the driving shaft 1-1 in the box body 1-4, a driven shaft 1-8 is rotatably arranged through a bearing on the fixed plate 1-5 and a bearing on the box body 1-4, a second gear 1-9 is arranged on the driven shaft 1-8 in the box body 1-4, and the first gear 1-7 is meshed with the second gear 1-9, the upper end of the driven shaft 1-8 is provided with a threaded bearing 1-10, the outer wall of the threaded bearing 1-10 is provided with a vernier scale 1-11, and the line 0 section of the main scale 1-12 passes through the vernier scale and is arranged on the upper end face of the fixed plate 1-5.
Furthermore, the positioning device 2 comprises a square frame 2-1, a limiting piece 2-2, a screw nut 2-3, a screw rod 2-5, a second manual turntable 2-6, a connecting plate 2-7 and a positioning sucker 2-9; the limiting pieces 2-2 are symmetrically arranged in the square frame 2-1, the centers of the outer side walls of the limiting pieces 2-2 are connected with a movable rod penetrating through the outer wall of the square frame 2-1, the movable rod is movably arranged on the square frame 2-1, the lens 5 is arranged between the two limiting pieces 2-2, one end of each limiting piece 2-2 is abutted against one vertical inner side wall of the square frame 2-1, the other end of each limiting piece 2-2 is provided with a screw nut 2-3, the other inner side wall of the square frame 2-1 is symmetrically provided with a rectangular cavity 2-4, the screw nut 2-3 is arranged in the rectangular cavity 2-4, one end of the screw nut 2-5 is arranged on the upper side wall of the square frame 2-1, the other end of the screw nut penetrates through the two rectangular cavities 2-4 to be connected with a second manual rotary table 2-6 at the lower end of the, the screw rod screws in the two rectangular cavities 2-4 are provided with threads, the internal threads of the two rectangular cavities 2-4 are symmetrically arranged, one side of the square frame 2-1 is provided with a connecting plate 2-7, the connecting plate 2-7 is provided with a circular through hole 2-8, the outer wall of the circular through hole 2-8 is provided with a positioning sucker 2-9, and the positioning sucker 2-9 is connected with the lens 5.
Furthermore, the limiting pipe 4 is symmetrically provided with limiting grooves.
Furthermore, the telescopic feeler lever 1-3 is provided with a limiting bulge, and the limiting bulge is positioned in a limiting groove on the limiting pipe 4.
Further, the positioning sucker 2-9 comprises a rod shaft, a sucker 2-9-1 and a return spring 2-9-2; one end of the plurality of rod shaft annular arrays is arranged on the sucker 2-9-1, the other end of the plurality of rod shaft annular arrays penetrates through the reset spring 2-9-2 and is movably arranged on the outer wall of the circular through hole 2-8 on the connecting plate 2-7, and the limiting pipe 4 is coaxially arranged with the central axis of the sucker.
The utility model provides a lens center is positioner for thickness measurement device which characterized in that: the device comprises a positioning device 2, a positioning device and a control device, wherein the positioning device 2 comprises a square frame 2-1, a limiting sheet 2-2, a screw nut 2-3, a screw rod 2-5, a second manual turntable 2-6, a connecting plate 2-7 and a positioning sucker 2-9; the limiting pieces 2-2 are symmetrically arranged in the square frame 2-1, the centers of the outer side walls of the limiting pieces 2-2 are connected with a movable rod penetrating through the outer wall of the square frame 2-1, the movable rod is movably arranged on the square frame 2-1, the lens 5 is arranged between the two limiting pieces 2-2, one end of each limiting piece 2-2 is abutted against one vertical inner side wall of the square frame 2-1, the other end of each limiting piece 2-2 is provided with a screw nut 2-3, the other inner side wall of the square frame 2-1 is symmetrically provided with a rectangular cavity 2-4, the screw nut 2-3 is arranged in the rectangular cavity 2-4, one end of the screw nut 2-5 is arranged on the upper side wall of the square frame 2-1, the other end of the screw nut penetrates through the two rectangular cavities 2-4 to be connected with a second manual rotary table 2-6 at the lower end of the, the screw rod screws in the two rectangular cavities 2-4 are provided with threads, the internal threads of the two rectangular cavities 2-4 are symmetrically arranged, one side of the square frame 2-1 is provided with a connecting plate 2-7, the connecting plate 2-7 is provided with a circular through hole 2-8, the outer wall of the circular through hole 2-8 is provided with a positioning sucker 2-9, and the positioning sucker 2-9 is connected with the lens 5.
The working process of the device is as follows:
firstly, fixing a lens;
by clockwise rotating the second manual rotating disc 2-6, the clockwise rotating second manual rotating disc 2-6 drives the screw rod 2-5 to clockwise rotate, drives the two screw nuts 2-3 in the two huge cavities 2-4 to move relatively, namely to be away from each other, and drives the two screw nuts 2-3 to move towards the two upper and lower inner side walls close to the square frame 2-1 at the same speed under the action of the symmetrically arranged positive and negative threads of the screw rod 2-5, the screw rod nut 2-3 drives the limiting piece 2-2 to move towards the two upper and lower inner side walls of the square frame 2-1 and to stably move under the action of the movable rod, after the two limiting pieces 2-2 move for a distance, the second manual rotating disc 2-6 stops rotating, and the lens to be measured is placed between the two limiting pieces 2-2, a rubber layer is arranged at one end of the limiting sheet 2-2, which is in contact with the lens 5, a groove is arranged in the center of the rubber layer, the upper end and the lower end of the convex lens to be tested are aligned with the groove, the second manual rotary table 2-6 is rotated anticlockwise to drive the screw rod screw 2-5 to rotate anticlockwise to drive the two screw nuts 2-3 in the two huge cavities 2-4 to move relatively, namely to approach each other, and the two screw nuts 2-3 are driven to move towards the two upper inner side walls and the lower inner side walls far away from the square frame 2-1 at the same speed under the action of the symmetrically arranged positive and negative threads of the screw rod screw 2-5 until the lens 5 is stably clamped between the two limiting sheets 2-2, the second manual rotary table 2-6 is stopped rotating, the rubber layer is arranged to protect the edge of the convex lens to avoid the damage of the lens, and simultaneously, the plane of the groove arranged in the center, the lens is positioned on the same plane, namely the convex lens is positioned in the center inside the square frame 2-1, the vertical central axis of the sucker 5 and the central axis surfaces of the upper side wall and the lower side wall of the square frame 2-1 are ensured, the sucker 2-9-1 presses the sucker 2-9-1 on one side wall of the lens and is positioned on the horizontal central axis of the lens under the action of the reset spring 2-9-2 in the same plane, the central position of the lens can be accurately determined, the thickness of the sucker 2-9-1 is a, and the widths of the upper side wall and the lower side wall of the square frame 2-1 are both b;
second, measurement operation
Firstly, adjusting 0 of the device, ensuring that the end face of the foremost end of the telescopic feeler lever 1-3 and the end face of the outer side wall of the connecting plate 2-7 are on the same horizontal plane when adjusting 0, namely the degrees of the vernier scale 1-11 and the main scale 1-12 are 0, at the time of the 0 adjusting completion stage, rotating the first manual turntable 1-6 to rotate along with the potential needle, the first manual turntable 1-6 rotates along with the potential needle to drive the driving shaft 1-1 and the first gear 1-7 to rotate clockwise, the driving shaft 1-1 rotates clockwise, the telescopic feeler lever 1-3 is driven to rotate through the screw action, the telescopic feeler lever 1-3 is driven to move into the connecting plate 2-7 under the action of the internal screw thread of the cylindrical cavity 1-2, the first gear 1-7 rotates clockwise to drive the driven shaft 1-8 to rotate anticlockwise, the driven shaft 1-8 rotates anticlockwise to drive the threaded bearing 1-10 and the vernier scale 1-11 to move leftwards through the matching effect of the threads of the threaded bearing 1-10, and in the production process, when the threads are arranged, the distance of leftward movement of the threaded bearing 1-10 is required to be ensured to be the same as the advancing distance of the front end of the telescopic feeler lever 1-3, which can be realized by the prior art, and is not repeated, the distance of leftward movement of the threaded bearing 1-10 is the same as the advancing distance of the front end of the telescopic feeler lever 1-3 until the front end of the telescopic feeler lever 1-3 abuts against the front end of the sucker 2-9-1, namely the first manual turntable 1-6 is rotated to exert a force, and then the degrees of the vernier scale 1-11 and the main scale 1-12 are read and recorded as the advancing distance of the telescopic feeler lever 1-3, marked as c, the degree is more accurate and convenient and the precision is higher through the matching action of the telescopic feeler lever 1-3, the vernier scale 1-11 and the main scale 1-12,
thirdly, calculating the thickness of the lens
b is the width of the upper wall and the lower wall of the square frame;
c is the advancing distance of the telescopic probe rod 1-3;
and a is the thickness of the sucker.
Description of the drawings: the utility model discloses the accessible when production corresponding spacing piece 2-2 carries out central thickness measurement to concave lens with the needle pair, corresponding spacing piece 2-2 rubber in situ be provided with in concave lens to the recess that matches can.
The above embodiments are merely illustrative of the present patent and do not limit the scope of the patent, and those skilled in the art can make modifications to the parts thereof without departing from the spirit and scope of the patent.
Claims (8)
1. A lens center thickness measuring device, characterized in that: comprises a reading device (1), a positioning device (2), a connecting block (3) and a limiting pipe (4); the reading device (1) is connected with the positioning device (2) through a connecting block (3) and a limiting tube (4), the lens (5) is arranged in the positioning device (2), and the limiting tube (4) can be coaxially arranged with the lens (5) in the positioning device (2);
the reading device (1) comprises a driving shaft (1-1), a telescopic probe rod (1-3), a box body (1-4), a fixing plate (1-5), a first manual turntable (1-6), a first gear (1-7), a driven shaft (1-8), a second gear (1-9), a threaded bearing (1-10), a vernier scale (1-11) and a main scale (1-12); one end of the driving shaft (1-1) is provided with a cylindrical cavity (1-2), the inner side wall of the cylindrical cavity (1-2) is provided with internal threads, one end of the telescopic feeler lever (1-3) is arranged in the cylindrical cavity (1-2) through threads, the other end of the telescopic feeler lever (1-3) is arranged in the limiting pipe (4) and is rotatably arranged on the inner side wall of the box body (1-4) through a bearing, the driving shaft (1-1) passes through the bearing in the fixed plate (1-5) and is connected with the first manual rotating disc (1-6), the driving shaft (1-1) in the box body (1-4) is provided with a first gear (1-7), and the driven shaft (1-8) is rotatably arranged with the bearing on the box body (1-4) through the bearing on the fixed plate (1-5), second gears (1-9) are arranged on driven shafts (1-8) in the box bodies (1-4), the first gears (1-7) are meshed with the second gears (1-9), threaded bearings (1-10) are arranged at the upper ends of the driven shafts (1-8), vernier scales (1-11) are arranged on the outer walls of the threaded bearings (1-10), and 0 scale line section of the main scales (1-12) penetrates through the vernier scales to be arranged on the upper end faces of the fixing plates (1-5).
2. A lens center thickness measuring device according to claim 1, wherein: the positioning device (2) comprises a square frame (2-1), a limiting piece (2-2), a screw nut (2-3), a screw rod and screw rod (2-5), a second manual turntable (2-6), a connecting plate (2-7) and a positioning sucker (2-9); limiting pieces (2-2) are symmetrically arranged in the square frame (2-1), the center of the outer side wall of each limiting piece (2-2) is connected with a movable rod penetrating through the outer wall of the square frame (2-1), the movable rod is movably arranged on the square frame (2-1), a lens (5) is arranged between the two limiting pieces (2-2), one end of each limiting piece (2-2) is abutted against one vertical inner side wall of the square frame (2-1), the other end of each limiting piece (2-2) is provided with a lead screw nut (2-3), the other inner side wall of the square frame (2-1) is symmetrically provided with a rectangular cavity (2-4), the lead screw nut (2-3) is arranged in the rectangular cavity (2-4), one end of each lead screw (2-5) is arranged on the upper side wall of the square frame (2-1), the other end of the connecting rod penetrates through the two rectangular cavities (2-4) to be connected with a second manual turntable (2-6) at the lower end of the square frame (2-1), the screw rod screws in the two rectangular cavities (2-4) are provided with threads, the internal threads of the two rectangular cavities (2-4) are symmetrically arranged, one side of the square frame (2-1) is provided with a connecting plate (2-7), the connecting plate (2-7) is provided with a circular through hole (2-8), the outer wall of the circular through hole (2-8) is provided with a positioning sucker (2-9), and the positioning sucker (2-9) is connected with the lens (5).
3. A lens center thickness measuring device according to claim 1, wherein: and the limiting pipe (4) is symmetrically provided with limiting grooves.
4. A lens center thickness measuring device according to claim 1, wherein: the telescopic feeler lever (1-3) is provided with a limiting bulge which is positioned in a limiting groove on the limiting pipe (4).
5. A lens center thickness measuring device according to claim 2, wherein: the positioning sucker (2-9) comprises a rod shaft, a sucker (2-9-1) and a return spring (2-9-2); one end of the plurality of rod shaft annular arrays is arranged on the sucker (2-9-1), the other end of the plurality of rod shaft annular arrays penetrates through the reset spring (2-9-2) and is movably arranged on the outer wall of the circular through hole (2-8) on the connecting plate (2-7), and the limiting pipe (4) is arranged coaxially with the central axis of the sucker.
6. A reading device for a lens center thickness measuring device is characterized by comprising a driving shaft (1-1), a telescopic probe rod (1-3), a box body (1-4), a fixing plate (1-5), a first manual rotating disc (1-6), a first gear (1-7), a driven shaft (1-8), a second gear (1-9), a threaded bearing (1-10), a vernier scale (1-11) and a main scale (1-12); one end of the driving shaft (1-1) is provided with a cylindrical cavity (1-2), the inner side wall of the cylindrical cavity (1-2) is provided with internal threads, one end of the telescopic feeler lever (1-3) is arranged in the cylindrical cavity (1-2) through threads, the other end of the telescopic feeler lever (1-3) is arranged in the limiting pipe (4) and is rotatably arranged on the inner side wall of the box body (1-4) through a bearing, the driving shaft (1-1) passes through the bearing in the fixed plate (1-5) and is connected with the first manual rotating disc (1-6), the driving shaft (1-1) in the box body (1-4) is provided with a first gear (1-7), and the driven shaft (1-8) is rotatably arranged with the bearing on the box body (1-4) through the bearing on the fixed plate (1-5), second gears (1-9) are arranged on driven shafts (1-8) in the box bodies (1-4), the first gears (1-7) are meshed with the second gears (1-9), threaded bearings (1-10) are arranged at the upper ends of the driven shafts (1-8), vernier scales (1-11) are arranged on the outer walls of the threaded bearings (1-10), and 0 scale line section of the main scales (1-12) penetrates through the vernier scales to be arranged on the upper end faces of the fixing plates (1-5).
7. The utility model provides a lens center is positioner for thickness measurement device which characterized in that: the device comprises a positioning device (2) and a positioning sucker, wherein the positioning device comprises a square frame (2-1), a limiting piece (2-2), a screw nut (2-3), a screw rod and screw rod (2-5), a second manual turntable (2-6), a connecting plate (2-7) and a positioning sucker (2-9); limiting pieces (2-2) are symmetrically arranged in the square frame (2-1), the center of the outer side wall of each limiting piece (2-2) is connected with a movable rod penetrating through the outer wall of the square frame (2-1), the movable rod is movably arranged on the square frame (2-1), a lens (5) is arranged between the two limiting pieces (2-2), one end of each limiting piece (2-2) is abutted against one vertical inner side wall of the square frame (2-1), the other end of each limiting piece (2-2) is provided with a lead screw nut (2-3), the other inner side wall of the square frame (2-1) is symmetrically provided with a rectangular cavity (2-4), the lead screw nut (2-3) is arranged in the rectangular cavity (2-4), one end of each lead screw (2-5) is arranged on the upper side wall of the square frame (2-1), the other end of the connecting rod penetrates through the two rectangular cavities (2-4) to be connected with a second manual turntable (2-6) at the lower end of the square frame (2-1), the screw rod screws in the two rectangular cavities (2-4) are provided with threads, the internal threads of the two rectangular cavities (2-4) are symmetrically arranged, one side of the square frame (2-1) is provided with a connecting plate (2-7), the connecting plate (2-7) is provided with a circular through hole (2-8), the outer wall of the circular through hole (2-8) is provided with a positioning sucker (2-9), and the positioning sucker (2-9) is connected with the lens (5).
8. A positioning sucker for a lens center thickness measuring device is characterized by comprising a rod shaft, a sucker (2-9-1) and a return spring (2-9-2); one end of the plurality of rod shaft annular arrays is arranged on the sucker (2-9-1), the other end of the plurality of rod shaft annular arrays penetrates through the reset spring (2-9-2) and is movably arranged on the outer wall of the circular through hole (2-8) on the connecting plate (2-7), and the limiting pipe (4) is arranged coaxially with the central axis of the sucker.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696263.5U CN210268466U (en) | 2019-10-11 | 2019-10-11 | Lens center thickness measuring device, reading device, positioning device and positioning sucker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696263.5U CN210268466U (en) | 2019-10-11 | 2019-10-11 | Lens center thickness measuring device, reading device, positioning device and positioning sucker |
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| CN210268466U true CN210268466U (en) | 2020-04-07 |
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| CN201921696263.5U Expired - Fee Related CN210268466U (en) | 2019-10-11 | 2019-10-11 | Lens center thickness measuring device, reading device, positioning device and positioning sucker |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444178A (en) * | 2020-11-13 | 2021-03-05 | 大连理工大学 | Universal jig for detecting thickness of lens |
| CN112710267A (en) * | 2020-11-23 | 2021-04-27 | 中国工程物理研究院激光聚变研究中心 | Detection equipment for thickness deviation of square spherical lens |
| CN112880575A (en) * | 2021-01-15 | 2021-06-01 | 许昌学院 | High-precision thickness gauge for optical component detection |
| CN112985228A (en) * | 2021-02-05 | 2021-06-18 | 西安应用光学研究所 | Optical element center thickness precision measurement appearance of quick centering |
| CN113043227A (en) * | 2021-02-24 | 2021-06-29 | 上海大学 | Adjusting frame capable of realizing surface rotation |
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2019
- 2019-10-11 CN CN201921696263.5U patent/CN210268466U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444178A (en) * | 2020-11-13 | 2021-03-05 | 大连理工大学 | Universal jig for detecting thickness of lens |
| CN112444178B (en) * | 2020-11-13 | 2022-01-04 | 大连理工大学 | Universal jig for detecting thickness of lens |
| CN112710267A (en) * | 2020-11-23 | 2021-04-27 | 中国工程物理研究院激光聚变研究中心 | Detection equipment for thickness deviation of square spherical lens |
| CN112880575A (en) * | 2021-01-15 | 2021-06-01 | 许昌学院 | High-precision thickness gauge for optical component detection |
| CN112985228A (en) * | 2021-02-05 | 2021-06-18 | 西安应用光学研究所 | Optical element center thickness precision measurement appearance of quick centering |
| CN112985228B (en) * | 2021-02-05 | 2024-02-27 | 西安应用光学研究所 | Quick centering optical element center thickness precision measuring instrument |
| CN113043227A (en) * | 2021-02-24 | 2021-06-29 | 上海大学 | Adjusting frame capable of realizing surface rotation |
| CN113043227B (en) * | 2021-02-24 | 2022-06-14 | 上海大学 | Adjusting frame capable of realizing surface rotation |
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