CN112372090A - Multi-thread grinding machine for optical lens and machining process of multi-thread grinding machine - Google Patents
Multi-thread grinding machine for optical lens and machining process of multi-thread grinding machine Download PDFInfo
- Publication number
- CN112372090A CN112372090A CN202011016750.XA CN202011016750A CN112372090A CN 112372090 A CN112372090 A CN 112372090A CN 202011016750 A CN202011016750 A CN 202011016750A CN 112372090 A CN112372090 A CN 112372090A
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- China
- Prior art keywords
- optical lens
- elastic collet
- collet chuck
- thread
- guide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/36—Thread cutting; Automatic machines specially designed therefor by grinding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
Abstract
The invention relates to an optical lens multi-thread grinding machine and a processing technology thereof, which is characterized in that: wherein the structure of the multi-thread grinding machine of optical lens includes the base, the top of base be provided with and be used for the installation fixed smooth workstation, its characterized in that: the optical lens assembling device comprises a workbench, and is characterized in that two elastic collet chucks are oppositely arranged above the workbench, the two elastic collet chucks are respectively a first elastic collet chuck for detachably fixing an optical lens A and a second elastic collet chuck for detachably fixing an optical lens B, the first elastic collet chuck is connected to one end of a guide rod through an installation cylinder, the installation cylinder is connected with the guide rod into a whole, the other end of the guide rod penetrates through the guide cylinder and is movably connected with the guide cylinder, a lifting rod connected with the guide cylinder into a whole is arranged at the bottom of the guide cylinder, and the lifting rod is vertically and movably connected to the top of the workbench. The invention has the advantages of simple structure, easy manufacture, practicality and high efficiency.
Description
Technical Field
The invention relates to the technical field of lens grinding, in particular to an optical lens multi-thread grinding machine and a processing technology thereof.
Background
The optical lens is generally machined from an aluminum material such as 6061, 2a12, etc., and finally, multi-thread threads (i.e., external threads of the optical lens a and internal threads of the optical lens B) with different leads are required for matching focal length zooming. Multiple start threads are also understood to mean multiple curves that fit together. The lens is divided into an inner barrel (optical lens A) and an outer barrel (optical lens B), wherein inner and outer multi-thread threads are respectively machined on a machine tool on the inner barrel and the outer barrel, but the threads machined by the machine tool are not concentric when the multi-thread threads are matched and rotated due to a plurality of errors of the machine tool, a clamp, a part body, a worker clamping and the like, so that the multi-thread threads are matched and in interference fit when being machined, and then are manually ground, so that the workload is large.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide the multi-thread grinding machine for the optical lens and the processing technology thereof.
In order to solve the technical problem, the invention provides an optical lens multi-thread grinding machine, which comprises a base, wherein the top of the base is provided with a flat workbench for installation and fixation, and the optical lens multi-thread grinding machine is characterized in that: the upper part of the workbench is also oppositely provided with two elastic collet chucks which are respectively a first elastic collet chuck for detachably fixing an optical lens A and a second elastic collet chuck for detachably fixing an optical lens B, the first elastic collet chuck is connected with one end of a guide rod through a mounting cylinder, the mounting cylinder is connected with the guide rod into a whole, the other end of the guide rod passes through a guide cylinder and is movably connected with the guide cylinder, the bottom of the guide cylinder is provided with a lifting rod connected with the guide cylinder into a whole, the lifting rod is vertically and movably connected with the top of the workbench, the outer side of the guide rod between the mounting cylinder and the guide cylinder is also provided with a first spring in a surrounding manner, the two ends of the first spring are respectively connected with the mounting cylinder and the guide cylinder, the second elastic collet chuck is detachably connected with one end of a transmission shaft, and the other end of the transmission shaft is connected with a detection shaft through a first coupler, the detection shaft passes through the torque sensor and is connected with the servo motor through the second coupler, the servo motor is installed on one side of the vertically placed installation plate, the torque sensor is detachably installed on the workbench, and the top of the torque sensor is provided with a display screen electrically connected with the torque sensor.
Further: the transmission shaft pass two second guide holders in proper order, transmission shaft and second guide holder between be provided with the bearing, the second guide holder install the top at the workstation through the fixing base of its bottom, the top of workstation offer the screw hole that is used for installing fixing base and mounting panel.
And further: the end, far away from the first coupler, of the transmission shaft is provided with a connecting hole for connecting a second elastic collet chuck, one end of the second elastic collet chuck extends into the connecting hole, the outer wall of the connecting hole is further provided with a second threaded hole, a puller bolt is connected in the second threaded hole, the puller bolt penetrates through the second threaded hole to be in contact with one end of the second elastic collet chuck extending into the connecting hole, and one end of the second elastic collet chuck extending into the connecting hole is fixed in the connecting hole through friction force between the puller bolt and the second elastic collet chuck.
And further: the transmission shaft is also sleeved with a hand wheel.
And further: and a third threaded hole used for connecting the first elastic collet chuck is formed in one side, away from the guide rod, of the mounting cylinder, and external threads matched with the third threaded hole are arranged on the outer side of one end of the first elastic collet chuck.
And further: the top of workstation be provided with the second mount pad that is used for connecting the lifter, the lower extreme of lifter connect in the second mount pad with piston, the lower extreme of lifter and second mount pad between still be provided with the second spring.
The invention also provides a processing technology of the multi-thread grinding machine applying the optical lens, which is characterized in that: the method comprises the following steps:
s1: clamping the optical lens A on a first elastic collet chuck, and clamping the optical lens B on a second elastic collet chuck; the first elastic collet chuck and the second elastic collet chuck are respectively arranged on the mounting cylinder and the transmission shaft;
s2: manually rotating a hand wheel, wherein an external thread on the optical lens B is connected into an internal thread in the optical lens A, and the external thread is used as a lens 0 position and an indexing point and is used as an initial position for the rotation of the servo motor and for indexing for grinding the threads behind the multi-thread;
s3: starting a servo motor to grind a first external thread on the optical lens B and a first internal thread in the optical lens A, wherein the lenses are in interference fit when being turned, so that the grinding is carried out in a progressive mode, the grinding distance is defined by a program, the grinding torque force, the torque force is cut off, the lenses are backed off and ground again, and the process is circulated until the numerical value displayed on a display screen on a torque sensor meets the requirement;
s4: after the first external thread on the optical lens B and the first internal thread in the optical lens A are ground, the lens retracts, a hand wheel is rotated to index, so that the second external thread on the optical lens B is connected into the second internal thread in the optical lens A, the working step S3 is carried out again for grinding, and the like is carried out until all the external threads on the optical lens B and all the internal threads in the optical lens A are ground;
s5: the optical lens B is separated from the optical lens A by rotating a hand wheel or starting a servo motor, then the optical lens B and the optical lens A are disassembled, and finally the optical lens B and the optical lens A are matched and cleaned.
After the design is adopted, the multi-thread grinding machine replaces manual grinding, so that the grinding precision and the machining efficiency are improved, and the working strength of personnel is greatly reduced; the invention also has the advantages of simple structure, easy manufacture, practicability and high efficiency.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The grinding machine for the multi-thread threads of the optical lens comprises a base 1, wherein a flat workbench 2 for installation and fixation is arranged at the top of the base 1, two elastic collet chucks are oppositely arranged above the workbench 2, the two elastic collet chucks are respectively a first elastic collet chuck 13 for detachably fixing the optical lens A and a second elastic collet chuck 7 for detachably fixing the optical lens B, the first elastic collet chuck is connected to one end of a guide rod 3 through an installation tube 12, the installation tube is connected with the guide rod into a whole, the other end of the guide rod penetrates through a guide tube 6 and is movably connected with the guide tube, a lifting rod 5 connected with the guide tube into a whole is arranged at the bottom of the guide tube, the lifting rod is vertically and movably connected to the top of the workbench 2, and a first spring 5 is arranged around the outer side of the guide rod between the installation tube and the guide tube, the two ends of the first spring are respectively connected with the installation cylinder and the guide cylinder, the second elastic collet chuck is detachably connected to one end of the transmission shaft 10, the other end of the transmission shaft 10 is connected with the detection shaft through the first coupler 19, the detection shaft penetrates through the torsion sensor 15 and is connected with the servo motor 20 through the second coupler 16, the servo motor is installed on one side of the vertically placed installation plate 17, the torsion sensor is detachably installed on the workbench, the top of the torsion sensor is provided with the display screen 14 electrically connected with the torsion sensor, and the transmission shaft is further sleeved with the hand wheel 11. The multi-thread grinding machine replaces manual grinding, so that the grinding precision and the machining efficiency are improved, and the working strength of personnel is greatly reduced; the invention also has the advantages of simple structure, easy manufacture, practicability and high efficiency.
The transmission shaft shown in fig. 1 sequentially penetrates through the two second guide seats 9, a bearing is arranged between the transmission shaft and the second guide seats, the second guide seats are installed at the top of the workbench through the fixing seats 18 at the bottoms of the second guide seats, and threaded holes for installing the fixing seats and the installing plates are formed in the top of the workbench.
The end, far away from the first coupler, of the transmission shaft shown in fig. 1 is provided with a connecting hole for connecting a second elastic collet chuck, one end of the second elastic collet chuck extends into the connecting hole, the outer wall of the connecting hole is further provided with a second threaded hole, a puller bolt 8 is connected in the second threaded hole, the puller bolt penetrates through the second threaded hole to be in contact with one end of the second elastic collet chuck extending into the connecting hole, and one end of the second elastic collet chuck extending into the connecting hole is fixed in the connecting hole through friction force between the puller bolt and the second elastic collet chuck.
As shown in fig. 1, a third threaded hole for connecting the first elastic collet chuck is formed in one side of the mounting cylinder, which is far away from the guide rod, and external threads matched with the third threaded hole are arranged on the outer side of one end of the first elastic collet chuck.
The top of the workbench shown in fig. 1 is provided with a second mounting seat 4 for connecting a lifting rod, the lower end of the lifting rod is connected in the second mounting seat in a piston manner, and a second spring is further arranged between the lower end of the lifting rod and the second mounting seat.
The invention also provides a processing technology of the multi-thread grinding machine applying the optical lens, which is characterized in that: the method comprises the following steps:
s1: clamping the optical lens A on a first elastic collet chuck, and clamping the optical lens B on a second elastic collet chuck; the first elastic collet chuck and the second elastic collet chuck are respectively arranged on the mounting cylinder and the transmission shaft;
s2: manually rotating a hand wheel, wherein an external thread on the optical lens B is connected into an internal thread in the optical lens A, and the external thread is used as a lens 0 position and an indexing point and is used as an initial position for the rotation of the servo motor and for indexing for grinding the threads behind the multi-thread;
s3: starting a servo motor to grind a first external thread on the optical lens B and a first internal thread in the optical lens A, wherein the lenses are in interference fit when being turned, so that the grinding is carried out in a progressive mode, the grinding distance is defined by a program, the grinding torque force, the torque force is cut off, the lenses are backed off and ground again, and the process is circulated until the numerical value displayed on a display screen on a torque sensor meets the requirement;
s4: after the first external thread on the optical lens B and the first internal thread in the optical lens A are ground, the lens retracts, a hand wheel is rotated to index, so that the second external thread on the optical lens B is connected into the second internal thread in the optical lens A, the working step S3 is carried out again for grinding, and the like is carried out until all the external threads on the optical lens B and all the internal threads in the optical lens A are ground;
s5: the optical lens B is separated from the optical lens A by rotating a hand wheel or starting a servo motor, then the optical lens B and the optical lens A are disassembled, and finally the optical lens B and the optical lens A are matched and cleaned.
Claims (7)
1. The utility model provides an optical lens multi-thread grinder, includes base (1), the top of base (1) be provided with be used for the fixed smooth workstation (2) of installation, its characterized in that: two elastic collet chucks are oppositely arranged above the workbench (2), the two elastic collet chucks are respectively a first elastic collet chuck (13) for detachably fixing the optical lens A and a second elastic collet chuck (7) for detachably fixing the optical lens B, the first elastic collet chuck is connected with one end of a guide rod (3) through a mounting cylinder (12), the mounting cylinder is connected with the guide rod into a whole, the other end of the guide rod penetrates through a guide cylinder (6) and is movably connected with the guide cylinder, a lifting rod (5) connected with the guide cylinder into a whole is arranged at the bottom of the guide cylinder, the lifting rod is vertically and movably connected with the top of the workbench (2), a first spring (5) is further arranged on the outer side of the guide rod between the mounting cylinder and the guide cylinder in a surrounding manner, two ends of the first spring are respectively connected with the mounting cylinder and the guide cylinder, and the second elastic collet chuck is detachably connected with one end of a transmission shaft (10), the other end of transmission shaft (10) link to each other with detecting the axle through first shaft coupling (19), detect the axle and pass torque sensor (15) and link to each other with servo motor (20) through second shaft coupling (16), servo motor install the one side at vertical mounting panel (17) of placing, torque sensor detachably install on the workstation and its top be provided with display screen (14) rather than the electricity is connected.
2. The multi-thread grinding machine for optical lenses according to claim 1, wherein: the transmission shaft pass two second guide holder (9) in proper order, transmission shaft and second guide holder between be provided with the bearing, the second guide holder install the top at the workstation through fixing base (18) of its bottom, the top of workstation offer the screw hole that is used for installing fixing base and mounting panel.
3. The multi-thread grinding machine for optical lenses according to claim 1, wherein: the transmission shaft is far away from one end of the first coupler and is provided with a connecting hole of a second elastic collet chuck for connection, one end of the second elastic collet chuck extends into the connecting hole, the outer wall of the connecting hole is further provided with a second threaded hole, a puller bolt (8) is connected in the second threaded hole, the puller bolt penetrates through the second threaded hole to be in contact with one end of the second elastic collet chuck extending into the connecting hole, and one end of the second elastic collet chuck extending into the connecting hole is fixed in the connecting hole through friction force between the puller bolt and the second elastic collet chuck.
4. An optical lens multiple-start thread grinder according to any one of claims 1 to 3, wherein: the transmission shaft is also sleeved with a hand wheel (11).
5. The multi-thread grinding machine for optical lenses according to claim 1, wherein: and a third threaded hole used for connecting the first elastic collet chuck is formed in one side, away from the guide rod, of the mounting cylinder, and external threads matched with the third threaded hole are arranged on the outer side of one end of the first elastic collet chuck.
6. The multi-thread grinding machine for optical lenses according to claim 1, wherein: the top of the workbench is provided with a second mounting seat (4) used for being connected with a lifting rod, the lower end of the lifting rod is connected in the second mounting seat in a piston mode, and a second spring is further arranged between the lower end of the lifting rod and the second mounting seat.
7. A machining process of a multi-thread grinding machine applying an optical lens is characterized in that: the method comprises the following steps:
s1: clamping the optical lens A on a first elastic collet chuck, and clamping the optical lens B on a second elastic collet chuck; the first elastic collet chuck and the second elastic collet chuck are respectively arranged on the mounting cylinder and the transmission shaft;
s2: manually rotating a hand wheel, wherein an external thread on the optical lens B is connected into an internal thread in the optical lens A, and the external thread is used as a lens 0 position and an indexing point and is used as an initial position for the rotation of the servo motor and for indexing for grinding the threads behind the multi-thread;
s3: starting a servo motor to grind a first external thread on the optical lens B and a first internal thread in the optical lens A, wherein the lenses are in interference fit when being turned, so that the grinding is carried out in a progressive mode, the grinding distance is defined by a program, the grinding torque force, the torque force is cut off, the lenses are backed off and ground again, and the process is circulated until the numerical value displayed on a display screen on a torque sensor meets the requirement;
s4: after the first external thread on the optical lens B and the first internal thread in the optical lens A are ground, the lens retracts, a hand wheel is rotated to index, so that the second external thread on the optical lens B is connected into the second internal thread in the optical lens A, the working step S3 is carried out again for grinding, and the like is carried out until all the external threads on the optical lens B and all the internal threads in the optical lens A are ground;
s5: the optical lens B is separated from the optical lens A by rotating a hand wheel or starting a servo motor, then the optical lens B and the optical lens A are disassembled, and finally the optical lens B and the optical lens A are matched and cleaned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011016750.XA CN112372090A (en) | 2020-09-24 | 2020-09-24 | Multi-thread grinding machine for optical lens and machining process of multi-thread grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011016750.XA CN112372090A (en) | 2020-09-24 | 2020-09-24 | Multi-thread grinding machine for optical lens and machining process of multi-thread grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112372090A true CN112372090A (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011016750.XA Pending CN112372090A (en) | 2020-09-24 | 2020-09-24 | Multi-thread grinding machine for optical lens and machining process of multi-thread grinding machine |
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| Country | Link |
|---|---|
| CN (1) | CN112372090A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0453623A (en) * | 1990-06-21 | 1992-02-21 | Mitsui Seiki Kogyo Co Ltd | Grinding method and device for dual lead worn in numerically controlled grinding machine |
| JPH09168924A (en) * | 1996-09-17 | 1997-06-30 | Nippon Seiko Kk | Nut thread groove lapping method |
| CN201913335U (en) * | 2010-12-29 | 2011-08-03 | 中船重工重庆液压机电有限公司 | Indexing fixture |
| CN103769697A (en) * | 2014-02-28 | 2014-05-07 | 长城汽车股份有限公司 | Automatic tapping machine of oxygen sensor nut |
| CN105855644A (en) * | 2016-05-14 | 2016-08-17 | 宁波和鑫光电科技有限公司 | Simple numerically-controlled servo thread grinding device for screw rod |
| CN107283004A (en) * | 2017-07-05 | 2017-10-24 | 朱礼峰 | Feed screw nut grinding technics and its milling apparatus |
| CN107390340A (en) * | 2017-08-31 | 2017-11-24 | 瑞声科技(新加坡)有限公司 | Camera lens |
| CN210588181U (en) * | 2019-09-16 | 2020-05-22 | 东莞新旭光学有限公司 | Lens cone thread processing fixing device for digital lens production |
-
2020
- 2020-09-24 CN CN202011016750.XA patent/CN112372090A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0453623A (en) * | 1990-06-21 | 1992-02-21 | Mitsui Seiki Kogyo Co Ltd | Grinding method and device for dual lead worn in numerically controlled grinding machine |
| JPH09168924A (en) * | 1996-09-17 | 1997-06-30 | Nippon Seiko Kk | Nut thread groove lapping method |
| CN201913335U (en) * | 2010-12-29 | 2011-08-03 | 中船重工重庆液压机电有限公司 | Indexing fixture |
| CN103769697A (en) * | 2014-02-28 | 2014-05-07 | 长城汽车股份有限公司 | Automatic tapping machine of oxygen sensor nut |
| CN105855644A (en) * | 2016-05-14 | 2016-08-17 | 宁波和鑫光电科技有限公司 | Simple numerically-controlled servo thread grinding device for screw rod |
| CN107283004A (en) * | 2017-07-05 | 2017-10-24 | 朱礼峰 | Feed screw nut grinding technics and its milling apparatus |
| CN107390340A (en) * | 2017-08-31 | 2017-11-24 | 瑞声科技(新加坡)有限公司 | Camera lens |
| CN210588181U (en) * | 2019-09-16 | 2020-05-22 | 东莞新旭光学有限公司 | Lens cone thread processing fixing device for digital lens production |
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