CN109633853B - Self-cleaning rotary prism device - Google Patents
Self-cleaning rotary prism device Download PDFInfo
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- CN109633853B CN109633853B CN201811590834.7A CN201811590834A CN109633853B CN 109633853 B CN109633853 B CN 109633853B CN 201811590834 A CN201811590834 A CN 201811590834A CN 109633853 B CN109633853 B CN 109633853B
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- prism
- assembly
- cleaning
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- gear
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/1805—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for prisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
- G02B26/0883—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements the refracting element being a prism
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a self-cleaning rotating prism device, which comprises a bottom plate, and a rotating prism assembly, a cleaning assembly, a drying assembly and a mechanical arm assembly which are arranged on the bottom plate, wherein the rotating prism assembly, the cleaning assembly and the drying assembly are all arranged in the operating range of the mechanical arm assembly; the rotary prism assembly comprises a prism, a motor and a rotatable inner sleeve, wherein the prism is fixed at one end of the inner sleeve, a driven gear is sleeved at the other end of the inner sleeve, two overlapped driving gears are arranged on an output shaft of the motor, and the two driving gears are respectively meshed with tooth profile surfaces on the front side and the rear side of the teeth of the driven gear. Compared with the prior art, the invention can eliminate the return error of the mechanical transmission system, improve the working precision of the device and has the functions of self-cleaning and drying.
Description
Technical Field
The invention relates to the field of optical transmission systems, in particular to a self-cleaning rotary prism device.
Background
The rotary prism has the characteristics of large view field, compact structure, small moment of inertia and the like, and the rotary prism scanning mechanism has wide application in the fields of dynamic optical tracking, scanning, capturing, communication, distance measurement and the like. The existing patents of 'a synchronous belt driving rotary prism device' (CN103149686A) and 'a synchronous belt driving rotary double-prism integrated mechanism' (CN108196363A) all use a synchronous belt transmission mode, and because a synchronous belt wheel is meshed with a synchronous belt, a tooth backlash exists between a driving gear and a driven gear, return errors are difficult to eliminate, and then system errors greatly influence the working performance of the rotary prism. The existing patents of ' a cascade coarse-fine coupling optical scanning device ' (CN104793334A) ' a rotary prism device for realizing coarse-fine two-stage scanning ' (CN102955251A) ' all adopt a worm gear transmission mode to drive a prism to rotate, and the worm gear transmission also has backlash, so that return stroke errors are difficult to eliminate, and the working performance of the device is greatly influenced. The existing patent "precision rotating double prism beam scanner and its control method" (CN1542490) provides a precision control method for rotating double prisms, and no specific solution is provided for systematic errors existing in mechanical structures.
After the prism is used for a long time, a large number of dust particles are attached to the surface of the prism, the working performance of the prism is affected, the prism is required to be cleaned regularly and dried correspondingly, and after the prism is mostly disassembled manually in the prior art, the prism is cleaned and dried without automatic cleaning and drying functions, so that manpower and time are consumed.
Disclosure of Invention
The invention aims to provide a self-cleaning rotary prism device to overcome the defects that a mechanical transmission system of the rotary prism device in the prior art has return errors and does not have self-cleaning and drying functions.
The purpose of the invention can be realized by the following technical scheme:
a self-cleaning rotary prism device comprises a bottom plate, and a rotary prism assembly, a cleaning assembly, a drying assembly and a mechanical arm assembly which are arranged on the bottom plate, wherein the rotary prism assembly, the cleaning assembly and the drying assembly are all arranged in the operation range of the mechanical arm assembly; the rotary prism assembly comprises a prism, a motor and a rotatable inner sleeve, wherein the prism is fixed at one end of the inner sleeve, a driven gear is sleeved at the other end of the inner sleeve, two overlapped driving gears are arranged on an output shaft of the motor, and the two driving gears are respectively meshed with tooth profile surfaces on the front side and the rear side of the teeth of the driven gear.
Preferably, the rotary prism assembly further comprises an encoder, an output shaft of the encoder is provided with a third gear and a fourth gear which are overlapped, and the third gear and the fourth gear are respectively meshed with the front side tooth profile surface and the rear side tooth profile surface of the gear tooth of the driven gear.
Preferably, the prism is fixed at one end of the inner sleeve through a lens seat, the lens seat is provided with a mounting port, the prism is fixedly arranged in the mounting port through a rubber sucker with an air suction channel, and the mounting port is communicated with the outside through an air suction port arranged in the lens seat.
Preferably, the robot arm assembly includes an industrial robot and a gripper assembly provided at an end of the industrial robot.
Preferably, the side symmetry of prism is equipped with two wedge grooves, the anchor clamps subassembly includes the clamping jaw, the clamping jaw is equipped with the semicircular groove that equals with the prism diameter, be equipped with two taper pin spouts in the lateral wall of recess, be equipped with the taper pin in the taper pin spout, the cylinder is connected respectively to the one end of two taper pins, and the other end is inserted respectively in two wedge grooves when the piston rod of cylinder stretches out.
Preferably, the cleaning assembly comprises a cleaning cavity, the cleaning cavity is provided with two liquid inlets and a liquid outlet, and the cleaning cavity is internally provided with a first prism support seat, an ultrasonic generator and an ultrasonic transducer.
Preferably, the drying assembly comprises a drying cavity, the drying cavity is provided with an air inlet and an air outlet, and a second prism support seat and an infrared lamp tube are arranged in the drying cavity.
Preferably, the infrared lamp tubes are respectively provided with a plurality of infrared lamp tubes on two sides of the second prism support seat.
Preferably, the rotating prism assembly further comprises a mounting base fixed on the bottom plate, the inner sleeve is arranged on the upper portion of the mounting base in a penetrating mode, and a bearing is arranged between the outer side of the inner sleeve and the mounting base.
Preferably, the motor is a stepping motor.
Compared with the prior art, the invention has the following advantages:
1. the two driving gears are meshed with the driven gear, and the two driving gears are meshed with the front tooth profile surface and the rear tooth profile surface of the gear teeth of the driven gear respectively, so that return errors in the transmission process can be eliminated, and the working precision of the device is improved.
2. Adopt the encoder to measure the rotation volume and feed back the system in real time, realize closed-loop control, and the axle head of encoder meshes with the preceding profile of tooth face and the back profile of tooth face of driven gear teeth through two gears respectively, can eliminate the return stroke error in the encoder measurement process to promote the device's work precision.
3. The automatic assembling and disassembling of the lens can be realized by adopting the industrial robot with the clamp assembly at the tail end.
4. Be equipped with the clean subassembly of ultrasonic wave, can realize the self-cleaning to the lens.
5. Be equipped with stoving subassembly, can realize the fast drying to the lens.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 4 is a cross-sectional view taken along line D-D of FIG. 2;
FIG. 5 is a front cross-sectional view of a lens holder;
FIG. 6 is a partial view of II-II of FIG. 2;
FIG. 7 is a front view of a prism;
FIG. 8 is a front cross-sectional view of the jaw;
FIG. 9 is a front cross-sectional view of the clamp assembly;
FIG. 10 is a partial view of I-I of FIG. 1;
fig. 11 is a sectional view taken in the direction B-B in fig. 1.
The figure is marked with:
1. the rotary prism assembly comprises a rotary prism assembly, 11, a mounting seat, 12, a gland, 13, a bearing, 14, a lens seat, 15, an inner sleeve, 16, a rubber sucker, 17, a prism, 18, a motor, 19, a first expansion sleeve, 110, a first driving gear, 111, a second expansion sleeve, 112, a second driving gear, 113, a driven gear, 114, a third gear, 115, a third expansion sleeve, 116, a fourth expansion sleeve, 117, a fourth gear, 118, an encoder, 141, an air suction port, 142, a mounting port, 161, an air suction channel, 171, a wedge groove, 1131, a first front tooth profile, 1132, a first rear tooth profile, 1133, a second front tooth profile, 1134 and a second rear tooth profile;
2. a base plate;
3. the cleaning device comprises a cleaning assembly, a cover plate, a cleaning cavity, an ultrasonic generator, a first prism supporting seat, an ultrasonic transducer, a cleaning liquid inlet, a cleaning liquid outlet and a cleaning liquid outlet, wherein the cleaning assembly comprises a cleaning component 31, a cover plate 32, a cleaning cavity 33, an ultrasonic generator 34, a first prism supporting seat 35;
4. the drying device comprises a drying assembly, 41, a second prism supporting seat, 42, a drying cavity, 43, an infrared lamp tube, 421, an air inlet, 422 and an air outlet;
5. the mechanical arm assembly, 51 industrial robot, 52 clamp assembly, 521 clamping jaw, 522 air cylinder, 523 taper pin, 5211 groove and 5212 taper pin sliding groove.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Examples
As shown in fig. 1, the present application provides a self-cleaning rotary prism device, which includes a base plate 2, and a rotary prism assembly 1, a cleaning assembly 3, a drying assembly 4 and a robot arm assembly 5 disposed on the base plate 2, wherein the rotary prism assembly 1, the cleaning assembly 3, and the drying assembly 4 are all disposed within an operation range of the robot arm assembly 5.
As shown in fig. 2, the rotary prism assembly 1 includes a prism 17, a mount 11, a motor 18, and an inner housing 15. The mounting seat 11 is fixed on the bottom plate 2, the inner sleeve 15 is arranged on the upper part of the mounting seat 11 in a penetrating way, and a bearing 13 is arranged between the outer side of the inner sleeve 15 and the mounting seat 11, so that the inner sleeve 15 can rotate in the mounting seat 11. In this embodiment, the bearing 13 is fixedly mounted on the end surface of the mounting seat 11, and the pressing cover 12 is provided to press the bearing 13. One end of the inner sleeve 15 is fixedly connected with the prism 17 through the lens seat 14, and the other end of the inner sleeve 15 is sleeved with a driven gear 113.
The motor 18 is fixed on the base plate 2, and in this embodiment, the motor 18 specifically adopts a stepping motor 18. The output shaft of the motor 18 is connected to the same first driving gear 110 and second driving gear 112 which are adjacently arranged together through the first expansion sleeve 19 and the second expansion sleeve 111 respectively. As shown in fig. 3, the first driving gear 110 and the second driving gear 112 are engaged with the first front tooth profile 1131 and the first rear tooth profile 1132 of the teeth of the driven gear 113, respectively, so as to eliminate the return stroke error.
The rotary prism assembly 1 further comprises an encoder 118, and in the embodiment, the encoder 118 is fixedly mounted on the top of the mounting base 11. The output shaft of the encoder 118 is connected to the third gear 114 and the fourth gear 117 which are adjacently disposed and identical through the third expansion sleeve 115 and the fourth expansion sleeve 116, respectively, as shown in fig. 4, and the third gear 114 and the fourth gear 117 are meshed with the second front tooth profile 1133 and the second rear tooth profile 1134 of the teeth of the driven gear 113, respectively.
As shown in fig. 5 and 6, the lens holder 14 is provided with a mounting opening 142, and the prism 17 is fixed in the mounting opening 142 by the rubber suction cup 16. The rubber suction cup 16 includes a head portion and a neck portion, the neck portion is inserted into the mounting port 142, a suction passage 161 communicating the mounting port 142 and the outside is provided in the neck portion, and the mounting port 142 communicates with the outside through a suction port 141 provided in the lens holder 14. The prism 17 can be fixed to the lens holder 14 by evacuating the air intake port 141 to form a vacuum between the prism 17 and the rubber suction pad 16.
The robot arm assembly 5 includes an industrial robot 51 and a gripper assembly 52 provided at the end of the industrial robot 51. As shown in fig. 7, two wedge grooves 171 are symmetrically formed on the side of the prism 17. As shown in fig. 8, the clamp assembly 52 includes a clamping jaw 521, the clamping jaw 521 is provided with a semicircular groove 5211 having the same diameter as the prism 17, and two taper pin chutes 5212 are formed in the side wall of the groove 5211. As shown in fig. 9, the taper pin runner 5212 is provided with a taper pin 523, and the taper pin 523 is slidably connected to the clamping jaw 521. One end of each of the two taper pins 523 is connected to a piston rod of the cylinder 522, and the other end is inserted into each of the two wedge grooves 171 of the prism 17 when the piston rod of the respective cylinder 522 is extended, as shown in fig. 10, so that the clamping jaw 521 can grip the prism 17.
As shown in fig. 1, the cleaning assembly 3 includes a cleaning chamber 32 disposed on the bottom plate 2, and a cover plate 31 is disposed on the top of the cleaning chamber 32. The cleaning chamber 32 is provided with two liquid inlets 321 and a liquid outlet 323, wherein the two liquid inlets are a clean water inlet 321 and a cleaning liquid inlet 322. The cleaning cavity 32 is provided with a first prism support base 34, an ultrasonic generator 33 and an ultrasonic transducer 35. The cleaning unit 3 cleans the prism 17 by using ultrasonic waves, and in this embodiment, the ultrasonic frequency of the ultrasonic generator 33 is 45kHz when cleaning the prism 17.
As shown in fig. 11, the drying assembly 4 includes a drying cavity 42 fixed on the bottom plate 2, an air inlet 421 and an air outlet 422 are disposed on the drying cavity 42, and a second prism support 41 and an infrared lamp 43 are disposed in the drying cavity 42. A plurality of infrared lamps 43 are respectively disposed on two sides of the second prism support base 41, in this embodiment, the power of the infrared lamps 43 is 1400W.
Claims (7)
1. A self-cleaning rotating prism device is characterized by comprising a bottom plate (2), and a rotating prism assembly (1), a cleaning assembly (3), a drying assembly (4) and a mechanical arm assembly (5) which are arranged on the bottom plate (2), wherein the rotating prism assembly (1), the cleaning assembly (3) and the drying assembly (4) are all arranged in the operation range of the mechanical arm assembly (5); the rotary prism assembly (1) comprises a prism (17), a motor (18) and a rotatable inner sleeve (15), wherein one end of the inner sleeve (15) is fixed with the prism (17), the other end of the inner sleeve is sleeved with a driven gear (113), an output shaft of the motor (18) is provided with two overlapped driving gears, and the two driving gears are respectively meshed with the gear contour surfaces of the front side and the rear side of the gear teeth of the driven gear (113);
the prism (17) is fixed at one end of the inner sleeve (15) through a lens seat (14), a mounting opening (142) is formed in the lens seat (14), the prism (17) is fixedly arranged in the mounting opening (142) through a rubber sucker (16) with a suction channel (161), and the mounting opening (142) is communicated with the outside through a suction port (141) formed in the lens seat (14);
the mechanical arm assembly (5) comprises an industrial robot (51) and a clamp assembly (52) arranged at the tail end of the industrial robot (51);
the side symmetry of prism (17) is equipped with two wedge grooves (171), anchor clamps subassembly (52) include clamping jaw (521), clamping jaw (521) are equipped with semicircular groove (5211) that equals with prism (17) diameter, be equipped with two taper pin spout (5212) in the lateral wall of groove (5211), be equipped with taper pin (523) in taper pin spout (5212), cylinder (522) is connected respectively to the one end of two taper pins (523), and the other end inserts respectively in two wedge grooves (171) when the piston rod of cylinder (522) stretches out.
2. A self-cleaning rotary prism device according to claim 1, wherein the rotary prism assembly (1) further comprises an encoder (118), an output shaft of the encoder (118) is provided with a third gear (114) and a fourth gear (117) which are overlapped, and the third gear (114) and the fourth gear (117) are respectively engaged with the front and rear side tooth profile surfaces of the teeth of the driven gear (113).
3. A self-cleaning rotary prism device according to claim 1, wherein the cleaning assembly (3) comprises a cleaning chamber (32), wherein the cleaning chamber (32) is provided with two liquid inlets and one liquid outlet (323), and wherein the cleaning chamber (32) is provided with a first prism support base (34), an ultrasonic generator (33) and an ultrasonic transducer (35).
4. The self-cleaning rotary prism device as claimed in claim 1, wherein the drying assembly (4) comprises a drying chamber (42), the drying chamber (42) is provided with an air inlet (421) and an air outlet (422), and the drying chamber (42) is provided with a second prism support (41) and an infrared lamp (43).
5. A self-cleaning rotary prism device as claimed in claim 4, wherein a plurality of said infrared lamps (43) are provided on both sides of said second prism support base (41).
6. A self-cleaning rotary prism device as claimed in claim 1, wherein the rotary prism assembly (1) further comprises a mounting base (11) fixed on the base plate (2), the inner sleeve (15) is disposed through the upper portion of the mounting base (11), and a bearing (13) is disposed between the outer side of the inner sleeve (15) and the mounting base (11).
7. A self-cleaning rotary prism device as claimed in claim 1, wherein the motor (18) is a stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590834.7A CN109633853B (en) | 2018-12-25 | 2018-12-25 | Self-cleaning rotary prism device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811590834.7A CN109633853B (en) | 2018-12-25 | 2018-12-25 | Self-cleaning rotary prism device |
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| Publication Number | Publication Date |
|---|---|
| CN109633853A CN109633853A (en) | 2019-04-16 |
| CN109633853B true CN109633853B (en) | 2020-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811590834.7A Active CN109633853B (en) | 2018-12-25 | 2018-12-25 | Self-cleaning rotary prism device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111805531B (en) * | 2020-06-30 | 2021-12-31 | 同济大学 | Pipeline endoscopic robot |
| CN113670583B (en) * | 2021-08-24 | 2023-07-18 | 武汉正可科技有限公司 | Device and method for measuring optical parallel difference of right-angle prism |
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