CN113833834B - Precision eccentric swinging speed reducer - Google Patents
Precision eccentric swinging speed reducer Download PDFInfo
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- CN113833834B CN113833834B CN202111297360.9A CN202111297360A CN113833834B CN 113833834 B CN113833834 B CN 113833834B CN 202111297360 A CN202111297360 A CN 202111297360A CN 113833834 B CN113833834 B CN 113833834B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
- F16H57/0404—Lubricant filters
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
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Abstract
The invention discloses a precise eccentric swinging speed reducer, which belongs to the field of speed reducers and comprises an installation cylinder and a main shaft, wherein two ports of the installation cylinder are rotationally connected with a first rotating plate and a second rotating plate, the first rotating plate and the second rotating plate are respectively provided with a through hole for the main shaft to rotate, a speed reducing mechanism is arranged in the installation cylinder, the main shaft is provided with a trigger mechanism for triggering the speed reducing mechanism to operate, a second cam is fixedly connected with a second rotating ring, a rotating groove matched with the first rotating ring is formed in the first speed reducing gear, and a rotating groove matched with the second rotating ring is formed in the second speed reducing gear. According to the invention, the trigger mechanism is arranged, so that the speed reducing mechanism does not participate in the operation when the main shaft operates, the waste of electric energy caused by the dispersed power is avoided, the main shaft can be rapidly stopped rotating by arranging the first speed reducing gear and the second speed reducing gear, and the speed reducing mechanism can smoothly operate for a long time by arranging the lubricating mechanism.
Description
Technical Field
The invention relates to the technical field of speed reducers, in particular to a precision eccentric swinging speed reducer.
Background
A speed reducer is a power transmission mechanism that achieves a speed reduction effect and obtains a large torque by combining the number of revolutions of a motor with a plurality of gears to obtain a desired number of revolutions. In the mechanism for transmitting power and motion, the cycloid speed reducer is mainly applied to industries requiring high-precision position, such as mechanical arms used in the mechanical industry, semiconductor manufacturing, precision packaging machinery and the like.
The reduction gears is in the operating condition all the time when current eccentric swing speed reducer is moving, and this just makes power dispersed away, has caused power load to increase, and the energy is extravagant, therefore how to produce a precision type eccentric swing speed reducer that reduction gears just moved when needing main shaft stall is the problem of waiting for solving at present.
Disclosure of Invention
The invention aims to provide a precise eccentric swing speed reducer which has the advantage of saving electric energy and solves the problem that the electric energy is wasted when a speed reducing mechanism runs all the time.
In order to achieve the purpose, the invention provides the following technical scheme: a precise eccentric swinging speed reducer comprises an installation barrel and a main shaft, wherein a first rotating plate and a second rotating plate are rotationally connected in two ports of the installation barrel, through holes for the rotation of the main shaft are formed in the first rotating plate and the second rotating plate, a speed reducing mechanism for reducing the speed of the main shaft is arranged in the installation barrel, a trigger mechanism for triggering the speed reducing mechanism to operate is arranged on the main shaft, the speed reducing mechanism comprises three rotating shafts arranged in an annular array, through holes matched with the three rotating shafts are formed in the first rotating plate and the second rotating plate, a first speed reducing gear and a second speed reducing gear are arranged in the installation barrel, through holes matched with the main shaft are formed in the first speed reducing gear and the second speed reducing gear, a first cam and a second cam are slidably connected to the three rotating shafts, and convex strips are arranged in the first cam and the second cam, the rotating shaft is provided with a sliding groove matched with the raised line, the first cam is fixedly connected with a first rotating ring, the second cam is fixedly connected with a second rotating ring, the first reduction gear is provided with a rotating groove matched with the first rotating ring, and the second reduction gear is provided with a rotating groove matched with the second rotating ring.
Preferably, reduction gears is still including setting up tooth in the installation section of thick bamboo, first reduction gear with second reduction gear all with tooth meshing, first reduction gear with the laminating of second reduction gear, be equipped with in the installation section of thick bamboo and be used for doing first reduction gear with two bulge loops that the second reduction gear is spacing.
Preferably, trigger mechanism includes fixed connection and is in epaxial installation pole, sliding connection has the counter weight ring on the installation pole, it is connected with the down tube to rotate on the counter weight ring, it is connected with the montant to rotate on the down tube, the noose has the extension spring on the installation pole, the both ends of extension spring fixed connection respectively the counter weight ring with on the main shaft, sliding connection has the clamp plate on the main shaft, keep away from on the montant one section fixed connection of down tube is in on the clamp plate, it is three equal fixedly connected with stopper in the pivot, the stopper with the second is changeed board intermittent type and is offseted, the clamp plate with the stopper offsets.
Preferably, the trigger mechanism further comprises first bevel gears fixedly connected to the three rotating shafts and far away from one end of the limiting block, the three first bevel gears are fixedly connected with guide rods, the first rotating plate is fixedly connected with three U-shaped frames, the three U-shaped frames are provided with through holes corresponding to the three guide rods, the three guide rods are sleeved with first springs, two ends of each first spring respectively abut against the U-shaped frames and the first bevel gears, the main shaft is fixedly connected with second bevel gears, and the three first bevel gears are intermittently meshed with the second bevel gears.
Preferably, be equipped with on the installation section of thick bamboo and be used for lubricating reduction gears's lubricated mechanism, lubricated mechanism is including the piston cylinder that embeds there is lubricating oil, fixedly connected with mounting panel on the installation section of thick bamboo, piston cylinder fixed connection is in on the mounting panel, sliding connection has the piston rod in the piston cylinder, fixedly connected with connecting block on the piston rod, fixedly connected with ring on the connecting block, it is three keep away from on the guide arm the equal fixedly connected with third change of one end of first bevel gear, set up on the ring with three third change complex ring channel.
Preferably, lubricating mechanism still includes fixed connection and is in rose box on the installation section of thick bamboo lateral wall, fixedly connected with oiling pipe on the piston cylinder, keep away from on the oiling pipe the one end fixed connection of piston cylinder is in lie in on the installation section of thick bamboo the opposition side of rose box, be equipped with first check valve on the oiling pipe.
Preferably, the lubricating mechanism further comprises an oil pumping pipe fixedly connected to the piston cylinder, a second one-way valve is arranged on the oil pumping pipe, one end of the oil pumping pipe, far away from the piston cylinder, is fixedly connected to the filter box, a connecting pipe is fixedly connected to the filter box, one end of the connecting pipe, far away from the filter box, is fixedly connected to the mounting cylinder and is located between the two convex rings, and the filter box is communicated with the mounting cylinder through the connecting pipe.
Preferably, lubricating mechanism still includes fixed connection be located in the rose box the connecting pipe with take out the filter screen between the oil pipe, sliding connection has the scraper blade on the rose box, the scraper blade with the filter screen laminating, fixedly connected with riser on the scraper blade, fixedly connected with telescopic link on the riser, telescopic link fixed connection be in on the rose box, the noose has the second spring on the telescopic link, the both ends of second spring respectively with the riser with the rose box offsets, fixedly connected with annular piece on the second reduction gear, the annular piece with scraper blade intermittent type offsets.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the trigger mechanism is arranged, so that the speed reducing mechanism does not participate in the operation when the main shaft operates, the waste of electric energy caused by the dispersed power is avoided, the main shaft can be quickly stopped rotating by arranging the first speed reducing gear and the second speed reducing gear, and the speed reducing mechanism can smoothly operate for a long time by arranging the lubricating mechanism.
Drawings
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a schematic view of the general construction of the present invention with the mounting cylinder removed;
FIG. 3 is a second schematic diagram of the overall structure of the present invention;
FIG. 4 is a schematic structural view of portion A of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of the structure of the present invention at the position of the protruding ring;
FIG. 6 is a schematic view of the present invention at the location of the rotating shaft;
FIG. 7 is a schematic structural view of the mounting barrel of the present invention;
FIG. 8 is a schematic view of the present invention at a first reduction gear;
FIG. 9 is a schematic view of the present invention at a second reduction gear;
FIG. 10 is a schematic view of the structure of the protrusion of the present invention;
FIG. 11 is a schematic view of the structure at the ring block of the present invention;
fig. 12 is a schematic structural view of the portion B in fig. 11 according to the present invention.
In the figure: 1. mounting the cylinder; 11. a first rotating plate; 111. a U-shaped frame; 12. a second rotating plate; 13. a convex ring; 14. teeth; 15. a first reduction gear; 16. a second reduction gear; 161. a ring block; 2. a main shaft; 21. a second bevel gear; 22. mounting a rod; 221. a tension spring; 23. a counterweight ring; 24. a diagonal bar; 25. a vertical rod; 26. pressing a plate; 3. a rotating shaft; 31. a first bevel gear; 32. a limiting block; 33. a guide bar; 34. a first spring; 35. a third swivel; 36. a first cam; 361. a first swivel; 362. a convex strip; 37. a second cam; 371. a second swivel; 4. a piston cylinder; 41. an oil filling pipe; 411. a first check valve; 42. mounting a plate; 43. a circular ring; 431. connecting blocks; 44. a piston rod; 5. a filter box; 51. filtering with a screen; 52. an oil pumping pipe; 521. a second one-way valve; 53. connecting pipes; 54. a squeegee; 55. a vertical plate; 56. a telescopic rod; 57. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The invention provides a technical scheme that: the utility model provides an eccentric swing speed reducer of accurate type, includes an installation section of thick bamboo 1 and main shaft 2, and the both ends mouth internal rotation of an installation section of thick bamboo 1 is connected with first rotor plate 11 and second rotor plate 12, all sets up on first rotor plate 11 and the second rotor plate 12 and supplies 2 pivoted through-holes of main shaft, is equipped with the reducing gear who is used for making 2 decelerations of main shaft in the installation section of thick bamboo 1, is equipped with the trigger mechanism who is used for triggering the running of reducing gear on the main shaft 2.
Referring to fig. 1, 3 and 4, a main shaft 2 is connected to an output end of a motor, the mounting cylinder 1 is fixed, so that the main shaft 2 can rotate relative to the mounting cylinder 1, when the main shaft 2 rotates at a high speed, at this time, a mounting rod 22 fixedly connected to the main shaft 2 is driven by the main shaft 2 to rotate around the main shaft 2, a counterweight ring 23 on the mounting rod 22 slides in a direction away from the main shaft 2 under the action of centrifugal force against the pulling force of a tension spring 221, and a pressing plate 26 is axially and slidably connected to the main shaft 2, so that a vertical rod 25 fixedly connected to the pressing plate 26 can only axially slide like the pressing plate 26, and the counterweight ring 23 sliding in a direction away from the main shaft 2 exerts a downward force on the vertical rod 25 by driving an inclined rod 24 to swing, so that the vertical rod 25 drives the pressing plate 26 to move in a direction of a second rotating plate 12, at this time, the pressing plate 26 presses a limiting block 32, and a rotating shaft 3 fixedly connected to the limiting block 32 slides in a direction of the first rotating plate 11 under the pressing force of the pressing plate 26, further, the first bevel gear 31 fixedly connected to the rotating shaft 3 is not engaged with the second bevel gear 21 fixedly connected to the main shaft 2, and at this time, the rotating force of the main shaft 2 is not dispersed by the first bevel gear 31, thereby improving the power transmission effect.
The speed reducing mechanism comprises three rotating shafts 3 arranged in an annular array, through holes matched with the three rotating shafts 3 are respectively formed in a first rotating plate 11 and a second rotating plate 12, a first speed reducing gear 15 and a second speed reducing gear 16 are arranged in an installation cylinder 1, through holes matched with the main shaft 2 are respectively formed in the first speed reducing gear 15 and the second speed reducing gear 16, a first cam 36 and a second cam 37 are respectively connected onto the three rotating shafts 3 in a sliding manner, convex strips 362 are respectively arranged in the first cam 36 and the second cam 37, sliding grooves matched with the convex strips 362 are formed in the rotating shafts 3, a first rotating ring 361 is fixedly connected onto the first cam 36, a second rotating ring 371 is fixedly connected onto the second cam 37, rotating grooves matched with the first rotating ring 361 are formed in the first speed reducing gear 15, rotating grooves matched with the second rotating ring are formed in the second speed reducing gear 16, the speed reducing mechanism further comprises teeth 14 arranged in the installation cylinder 1, the first reduction gear 15 and the second reduction gear 16 are both meshed with the teeth 14, the first reduction gear 15 and the second reduction gear 16 are attached, and two convex rings 13 used for limiting the first reduction gear 15 and the second reduction gear 16 are arranged in the mounting cylinder 1.
Referring to fig. 1, 2 and 4, when the motor for applying power to the spindle 2 is turned off, the spindle 2 continues to rotate for a certain number of turns under the action of inertia, but in this state, the centrifugal force generated when the spindle 2 rotates is not enough to make the counterweight ring 23 slide in the direction away from the spindle 2 against the tension of the tension spring 221, and then the counterweight ring 23 moves in the direction of the spindle 2 under the tension of the tension spring 221, and then the counterweight ring 23 rotates by driving the inclined rod 24 to make the vertical rod 25 drive the pressing plate 26 to slide in the direction away from the second rotating plate 12, and further the pressing plate 26 does not apply pressure to the spindle 3 through the limiting block 32 any more, at this time, the first bevel gear 31 approaches in the direction of the second bevel gear 21 under the action of the first spring 34, and finally the second bevel gear 21 is engaged with the first bevel gear 31, and at this time, the second bevel gear 21 in the rotating state drives the first bevel gear 31 to rotate.
The trigger mechanism comprises a mounting rod 22 fixedly connected to the main shaft 2, a counterweight ring 23 is slidably connected to the mounting rod 22, an inclined rod 24 is rotatably connected to the counterweight ring 23, a vertical rod 25 is rotatably connected to the inclined rod 24, a tension spring 221 is sleeved on the mounting rod 22, two ends of the tension spring 221 are respectively fixedly connected to the counterweight ring 23 and the main shaft 2, a pressing plate 26 is slidably connected to the main shaft 2, a section of the vertical rod 25 away from the inclined rod 24 is fixedly connected to the pressing plate 26, limit blocks 32 are fixedly connected to the three rotating shafts 3, the limit blocks 32 intermittently abut against the second rotating plate 12, the pressing plate 26 abuts against the limit blocks 32, the trigger mechanism further comprises first bevel gears 31 fixedly connected to the three rotating shafts 3 and away from one ends of the limit blocks 32, guide rods 33 are fixedly connected to the three first bevel gears 31, three U-shaped frames 111 are fixedly connected to the first rotating plate 11, through holes corresponding to the three guide rods 33 are formed in the three U-shaped frames 111, the three guide rods 33 are all sleeved with first springs 34, two ends of each first spring 34 are respectively abutted against the U-shaped frame 111 and the first bevel gear 31, the main shaft 2 is fixedly connected with a second bevel gear 21, and the three first bevel gears 31 are all intermittently meshed with the second bevel gear 21.
Referring to fig. 2, 3, 4, 5, 7, 8, 9 and 10, the first reduction gear 15 and the second reduction gear 16 are limited by two convex rings 13, so that the axial positions of the first reduction gear 15 and the second reduction gear 16 and the mounting cylinder 1 are not changed, the first cam 36 is rotatably connected to the first reduction gear 15 through a first rotating ring 361, the second cam 37 is rotatably connected to the second reduction gear 16 through a second rotating ring 371, further, the relative axial positions of the first cam 36 and the second cam 37 and the mounting cylinder 1 are not changed, the rotating shaft 3 is provided with a sliding slot matched with the convex strip 362, further, the rotating shaft 3 can slide relative to the first cam 36 and the second cam 37 but cannot rotate relative to the first cam 36 and the second cam 37, and therefore, the rotating shaft 3 fixedly connected to the first bevel gear 31 rotates when the first bevel gear 31 is engaged with the second bevel gear 21, and then the rotating shaft 3 drives the first cam 36 and the second cam 37 to rotate, and then the three rotating first cams 36 can drive the first reduction gear 15 to roll along the track of the teeth 14 in the mounting cylinder 1, and the three rotating second cams 37 drive the second reduction gear 16 to roll along the track of the teeth 14, so that the rotating force of the main shaft 2 is dispersed, the main shaft 2 can be rapidly stopped to rotate, and the processing precision of the processing equipment driven by the rotation of the main shaft 2 is improved.
Example two:
basically the same as the first embodiment, further:
the mounting cylinder 1 is provided with a lubricating mechanism for lubricating the speed reducing mechanism, the lubricating mechanism comprises a piston cylinder 4 with lubricating oil inside, a mounting plate 42 is fixedly connected on the mounting cylinder 1, the piston cylinder 4 is fixedly connected on the mounting plate 42, a piston rod 44 is slidably connected in the piston cylinder 4, a connecting block 431 is fixedly connected on the piston rod 44, a ring 43 is fixedly connected on the connecting block 431, third rotating rings 35 are fixedly connected at one ends of three guide rods 33 far away from the first bevel gear 31, annular grooves matched with the three third rotating rings 35 are formed in the ring 43, the lubricating mechanism further comprises a filter box 5 fixedly connected on the side wall of the mounting cylinder 1, an oil filling pipe 41 is fixedly connected on the piston cylinder 4, one end of the oil filling pipe 41 far away from the piston cylinder 4 is fixedly connected on the mounting cylinder 1 and is positioned at the opposite side of the filter box 5, a first one-way valve 411 is arranged on the oil filling pipe 41, the lubricating mechanism further comprises an oil pumping pipe 52 fixedly connected on the piston cylinder 4, the oil pumping pipe 52 is provided with a second one-way valve 521, one end of the oil pumping pipe 52, which is far away from the piston cylinder 4, is fixedly connected to the filter box 5, the filter box 5 is fixedly connected to a connecting pipe 53, one end of the connecting pipe 53, which is far away from the filter box 5, is fixedly connected to the mounting cylinder 1 and is located between the two convex rings 13, and the filter box 5 is communicated with the mounting cylinder 1 through the connecting pipe 53.
Referring to fig. 2, 3, 6 and 11, when the rotating shaft 3 driven by the centrifugal force of the rotation of the main shaft 2 axially slides relative to the mounting cylinder 1, the first bevel gear 31 fixedly connected with the rotating shaft 3 and the guide rod 33 fixedly connected to the first bevel gear 31 synchronously axially slide with the rotating shaft 3, because the third rotating ring 35 on the guide rod 33 is rotatably connected in the annular groove on the ring 43, and the piston rod 44 fixedly connected to the ring 43 through the connecting block 431 is slidably connected in the piston cylinder 4, and the piston cylinder 4 does not relatively displace relative to the mounting cylinder 1, further the axial slide of the rotating shaft 3 can drive the piston rod 44 to axially slide in the piston cylinder 4 through the ring 43, when the main shaft 2 stops rotating, the first bevel gear 31 on the rotating shaft 3 moves towards the second bevel gear 21 and is engaged, at this time, the first reduction gear 15 and the second reduction gear 16 move, meanwhile, the circular ring 43 is driven by the rotating shaft 3 to slide towards the piston cylinder 4, and at the moment, the circular ring 43 drives the piston rod 44 to slide towards the piston cylinder 4, so that lubricating oil in the piston cylinder 4 is injected into the installation cylinder 1 through the oil injection pipe 41, the first reduction gear 15 and the second reduction gear 16 are lubricated in movement, and the first reduction gear 15 and the second reduction gear 16 are prevented from being worn and damaged to influence normal use.
Lubricating mechanism still includes the filter screen 51 that fixed connection is located between connecting pipe 53 and the oil pumping pipe 52 in rose box 5, sliding connection has scraper blade 54 on rose box 5, scraper blade 54 and the laminating of filter screen 51, fixedly connected with riser 55 on scraper blade 54, fixedly connected with telescopic link 56 on the riser 55, telescopic link 56 fixed connection is on rose box 5, the noose has second spring 57 on the telescopic link 56, the both ends of second spring 57 offset with riser 55 and rose box 5 respectively, fixedly connected with ring shape piece 161 on the second reduction gear 16, ring shape piece 161 offsets with scraper blade 54 intermittent type.
Referring to fig. 11 and 12, when the second reduction gear 16 moves, the ring block 161 fixedly connected to the second reduction gear 16 intermittently presses the scraper 54, and the scraper 54 can slide against the screen 51 by the elastic force of the second spring 57, the filter screen 51 is cleaned to ensure the normal filtration of the lubricating oil, the rotating shaft 3 slides towards the direction of the circular ring 43 under the high-speed rotation state of the main shaft 2, at the moment, the first bevel gear 31 is not meshed with the second bevel gear 21, and thus the first reduction gear 15 and the second reduction gear 16, are not moved, at which time the piston rod 44 is withdrawn to the outside of the piston cylinder 4, the lubricating oil in the installation cylinder 1 is pumped into the piston cylinder 4 through the connecting pipe 53, the filter box 5 and the oil pumping pipe 52, when the lubricating oil passes through the filter tank 5, the lubricating oil is filtered by the filter screen 51 in the filter tank 5, so that impurities possibly doped in the lubricating oil are filtered, and the using effect of the lubricating oil is ensured.
The working principle is as follows: the precision eccentric swinging speed reducer comprises a main shaft 2 connected to the output end of a motor during use, an installation barrel 1 is fixed, the main shaft 2 can rotate relative to the installation barrel 1, the main shaft 2 rotates at a high speed during use, the installation rod 22 fixedly connected to the main shaft 2 is driven by the main shaft 2 to rotate by taking the main shaft 2 as the center of a circle, a counterweight ring 23 on the installation rod 22 is under the action of centrifugal force to overcome the tension of a tension spring 221 and slide towards the direction far away from the main shaft 2, a pressing plate 26 is axially and slidably connected to the main shaft 2, the vertical rod 25 fixedly connected to the pressing plate 26 can only axially slide like the pressing plate 26, the counterweight ring 23 sliding towards the direction far away from the main shaft 2 exerts downward force on the vertical rod 25 by driving an inclined rod 24 to swing, the pressing plate 26 is driven by the vertical rod 25 to move towards the direction of a second rotating plate 12, the pressing plate 26 extrudes a limiting block 32 at the moment, and a rotating shaft 3 fixedly connected with the limiting block 32 is extruded towards the first rotating plate 11 by the pressing plate 26 and slides towards the direction of the first rotating plate 11 And the first bevel gear 31 fixedly connected to the rotating shaft 3 is not meshed with the second bevel gear 21 fixedly connected to the main shaft 2, so that the rotating force of the main shaft 2 is not dispersed by the first bevel gear 31, and the power transmission effect is improved.
When the motor for applying power to the spindle 2 is turned off, the spindle 2 continues to rotate for a certain number of turns under the action of inertia, but the centrifugal force generated when the spindle 2 rotates in this state is not enough to enable the counterweight ring 23 to overcome the tension of the tension spring 221 and slide in the direction away from the spindle 2, so that the counterweight ring 23 moves in the direction of the spindle 2 under the tension of the tension spring 221, and then the counterweight ring 23 drives the inclined rod 24 to rotate so that the vertical rod 25 drives the pressing plate 26 to slide in the direction away from the second rotating plate 12, and further the pressing plate 26 does not apply pressure to the spindle 3 through the limiting block 32, at this time, the first bevel gear 31 approaches in the direction of the second bevel gear 21 under the action of the first spring 34, finally, the second bevel gear 21 is meshed with the first bevel gear 31, and at this time, the second bevel gear 21 in the rotating state drives the first bevel gear 31 to rotate;
because the first reduction gear 15 and the second reduction gear 16 are limited by the two convex rings 13, the axial positions of the first reduction gear 15 and the second reduction gear 16 and the installation cylinder 1 cannot be changed, the first cam 36 is rotatably connected to the first reduction gear 15 through the first rotating ring 361, the second cam 37 is rotatably connected to the second reduction gear 16 through the second rotating ring 371, further the relative axial positions of the first cam 36 and the second cam 37 and the installation cylinder 1 cannot be changed, and the rotating shaft 3 is provided with a sliding slot matched with the convex strip 362, further the rotating shaft 3 can slide relative to the first cam 36 and the second cam 37 but cannot rotate relative to the first cam 36 and the second cam 37, so that the rotating shaft 3 fixedly connected to the first bevel gear 31 can rotate when the first bevel gear 31 is meshed with the second bevel gear 21, further the rotating shaft 3 drives the first cam 36 and the second cam 37 to rotate, and then three pivoted first cams 36 can drive first reduction gear 15 and take place to roll along the orbit of tooth 14 in the installation section of thick bamboo 1, and three pivoted second cams 37 drive second reduction gear 16 and roll along the orbit of tooth 14, and then disperse the turning force of main shaft 2 for main shaft 2 can stop the rotation fast, is favorable to making the precision of the processing equipment that receives main shaft 2 rotation and drive improve.
When the rotating shaft 3 driven by the centrifugal force of the rotation of the main shaft 2 axially slides relative to the mounting cylinder 1, the first bevel gear 31 fixedly connected with the rotating shaft 3 and the guide rod 33 fixedly connected to the first bevel gear 31 axially slide synchronously with the rotating shaft 3, because the third rotating ring 35 on the guide rod 33 is rotatably connected in the annular groove on the circular ring 43, and the piston rod 44 fixedly connected to the circular ring 43 through the connecting block 431 is slidably connected in the piston cylinder 4, and the piston cylinder 4 does not relatively move relative to the mounting cylinder 1, further the axial slide of the rotating shaft 3 can drive the piston rod 44 to axially slide in the piston cylinder 4 through the circular ring 43, when the main shaft 2 stops rotating, the first bevel gear 31 on the rotating shaft 3 moves towards the second bevel gear 21 and is engaged, at this time, the first reduction gear 15 and the second reduction gear 16 move, and the circular ring 43 is driven by the rotating shaft 3 to slide towards the piston cylinder 4, at this time, the circular ring 43 drives the piston rod 44 to slide towards the piston cylinder 4, so that the lubricating oil in the piston cylinder 4 is injected into the mounting cylinder 1 through the oil injection pipe 41, the movement of the first reduction gear 15 and the second reduction gear 16 is lubricated, and the first reduction gear 15 and the second reduction gear 16 are prevented from being abraded and damaged to influence normal use;
when the second reduction gear 16 moves, the annular block 161 fixedly connected to the second reduction gear 16 intermittently extrudes the scraper 54, and the scraper 54 can slide along the filter screen 51 by matching with the elastic force of the second spring 57 to scrape the filter screen 51, so that the normal filtration of lubricating oil is ensured;
the rotating shaft 3 slides towards the direction of the circular ring 43 under the high-speed rotation state of the main shaft 2, at the moment, the first bevel gear 31 is not meshed with the second bevel gear 21, further, the first reduction gear 15 and the second reduction gear 16 do not move, at the moment, the piston rod 44 is drawn out towards the outside of the piston cylinder 4, the lubricating oil in the installation cylinder 1 is drawn into the piston cylinder 4 through the connecting pipe 53, the filter box 5 and the oil pumping pipe 52, and the lubricating oil is filtered by the filter screen 51 in the filter box 5 when passing through the filter box 5, so that impurities possibly doped in the lubricating oil are filtered, and the use effect of the lubricating oil is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an eccentric swing speed reducer of precision type, includes installation section of thick bamboo (1) and main shaft (2), its characterized in that: a first rotating plate (11) and a second rotating plate (12) are rotatably connected to two ports of the mounting cylinder (1), through holes for the main shaft (2) to rotate are formed in the first rotating plate (11) and the second rotating plate (12), a speed reducing mechanism for reducing the speed of the main shaft (2) is arranged in the mounting cylinder (1), and a trigger mechanism for triggering the speed reducing mechanism to operate is arranged on the main shaft (2);
the speed reducing mechanism comprises three rotating shafts (3) arranged in an annular array, through holes matched with the rotating shafts (3) are formed in the first rotating plate (11) and the second rotating plate (12), a first speed reducing gear (15) and a second speed reducing gear (16) are arranged in the installation cylinder (1), through holes matched with the main shaft (2) are formed in the first speed reducing gear (15) and the second speed reducing gear (16), a first cam (36) and a second cam (37) are connected to the three rotating shafts (3) in a sliding mode, convex strips (362) are arranged in the first cam (36) and the second cam (37), sliding grooves matched with the convex strips (362) are formed in the rotating shafts (3), a first rotating ring (361) is fixedly connected to the first cam (36), and a second rotating ring (371) is fixedly connected to the second cam (37), the first reduction gear (15) is provided with a rotary groove matched with the first rotary ring (361), and the second reduction gear (16) is provided with a rotary groove matched with the second rotary ring (371).
2. The precision eccentric oscillating reducer of claim 1, wherein: the reduction gears are characterized in that the reduction mechanisms further comprise teeth (14) arranged in the installation barrel (1), the first reduction gears (15) and the second reduction gears (16) are all meshed with the teeth (14), the first reduction gears (15) and the second reduction gears (16) are attached to each other, and two convex rings (13) used for limiting the first reduction gears (15) and the second reduction gears (16) are arranged in the installation barrel (1).
3. The precision eccentric oscillating reducer of claim 2, wherein: the trigger mechanism comprises a mounting rod (22) fixedly connected to the main shaft (2), the mounting rod (22) is connected with a counterweight ring (23) in a sliding way, the counterweight ring (23) is connected with an inclined rod (24) in a rotating way, the inclined rod (24) is rotatably connected with a vertical rod (25), the installation rod (22) is sleeved with a tension spring (221), two ends of the tension spring (221) are respectively and fixedly connected to the counterweight ring (23) and the main shaft (2), a pressure plate (26) is connected on the main shaft (2) in a sliding way, one section of the vertical rod (25) far away from the inclined rod (24) is fixedly connected on the pressure plate (26), the three rotating shafts (3) are all fixedly connected with limiting blocks (32), the limiting block (32) is intermittently abutted against the second rotating plate (12), and the pressing plate (26) is abutted against the limiting block (32).
4. The precision eccentric oscillating reducer of claim 3, wherein: the trigger mechanism further comprises first bevel gears (31) fixedly connected to the three rotating shafts (3) and far away from one end of the limiting block (32), guide rods (33) are fixedly connected to the three first bevel gears (31), three U-shaped frames (111) are fixedly connected to the first rotating plate (11), through holes corresponding to the three guide rods (33) are formed in the three U-shaped frames (111), first springs (34) are sleeved on the three guide rods (33), two ends of each first spring (34) respectively abut against the U-shaped frames (111) and the first bevel gears (31), second bevel gears (21) are fixedly connected to the main shaft (2), and the three first bevel gears (31) are intermittently meshed with the second bevel gears (21).
5. The precision eccentric oscillating reducer of claim 4, wherein: be equipped with on installation section of thick bamboo (1) and be used for the lubrication reduction mechanism's lubricated mechanism, lubricated mechanism is including built-in piston cylinder (4) that has lubricating oil, fixedly connected with mounting panel (42) is gone up in installation section of thick bamboo (1), piston cylinder (4) fixed connection be in on mounting panel (42), sliding connection has piston rod (44) in piston cylinder (4), fixedly connected with connecting block (431) are gone up in piston rod (44), fixedly connected with ring (43), three on connecting block (431) keep away from on guide arm (33) the equal fixedly connected with third change (35) of one end of first bevel gear (31), seted up on ring (43) with three third change (35) complex ring channel.
6. The precision eccentric oscillating reducer of claim 5, wherein: lubricated mechanism still includes fixed connection and is in rose box (5) on installation section of thick bamboo (1) lateral wall, fixedly connected with oiling pipe (41) on piston cylinder (4), keep away from on oiling pipe (41 the one end fixed connection of piston cylinder (4) is in lie in on installation section of thick bamboo (1) the opposition side of rose box (5), be equipped with first check valve (411) on oiling pipe (41).
7. The precision eccentric oscillating reducer of claim 6, wherein: lubricating mechanism still includes fixed connection and is in take out oil pipe (52) on piston cylinder (4), be equipped with second check valve (521) on taking out oil pipe (52), keep away from on taking out oil pipe (52) the one end fixed connection of piston cylinder (4) is in on rose box (5), fixedly connected with connecting pipe (53) is gone up in rose box (5), keep away from on connecting pipe (53) the one end fixed connection of rose box (5) is in on installation section of thick bamboo (1) and be located two between bulge loop (13), rose box (5) pass through connecting pipe (53) with installation section of thick bamboo (1) are linked together.
8. The precision eccentric oscillating reducer of claim 7, wherein: lubricating mechanism still includes fixed connection be located in rose box (5) connecting pipe (53) with filter screen (51) between oil extraction pipe (52), sliding connection has scraper blade (54) on rose box (5), scraper blade (54) with filter screen (51) laminating, fixedly connected with riser (55) on scraper blade (54), fixedly connected with telescopic link (56) on riser (55), telescopic link (56) fixed connection be in on rose box (5), the noose has second spring (57) on telescopic link (56), the both ends of second spring (57) respectively with riser (55) with rose box (5) offset, fixedly connected with annular block (161) on second reduction gear (16), annular block (161) with scraper blade (54) intermittent type offsets.
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| CN202111297360.9A CN113833834B (en) | 2021-11-04 | 2021-11-04 | Precision eccentric swinging speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111297360.9A CN113833834B (en) | 2021-11-04 | 2021-11-04 | Precision eccentric swinging speed reducer |
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| CN113833834B true CN113833834B (en) | 2022-05-10 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB593243A (en) * | 1945-05-25 | 1947-10-13 | Standard Telephones Cables Ltd | Improvements in or relating to reduction gearing |
| US3310139A (en) * | 1965-07-06 | 1967-03-21 | Pitney Bowes Inc | Drive system |
| US4891995A (en) * | 1987-08-20 | 1990-01-09 | Lin Weng Pin | Trigger control means for moveable toys |
| CN106594220A (en) * | 2016-12-22 | 2017-04-26 | 武汉理工大学 | Stroke-adjustable type intermittent movable mechanical device based on non-circular gear divider |
| CN111197222A (en) * | 2018-11-20 | 2020-05-26 | 日本电产三协株式会社 | Switch device, actuator, clutch device and washing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018064709A1 (en) * | 2016-10-05 | 2018-04-12 | Robert Darby | Drive unit for robotic manipulators |
-
2021
- 2021-11-04 CN CN202111297360.9A patent/CN113833834B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB593243A (en) * | 1945-05-25 | 1947-10-13 | Standard Telephones Cables Ltd | Improvements in or relating to reduction gearing |
| US3310139A (en) * | 1965-07-06 | 1967-03-21 | Pitney Bowes Inc | Drive system |
| US4891995A (en) * | 1987-08-20 | 1990-01-09 | Lin Weng Pin | Trigger control means for moveable toys |
| CN106594220A (en) * | 2016-12-22 | 2017-04-26 | 武汉理工大学 | Stroke-adjustable type intermittent movable mechanical device based on non-circular gear divider |
| CN111197222A (en) * | 2018-11-20 | 2020-05-26 | 日本电产三协株式会社 | Switch device, actuator, clutch device and washing machine |
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| CN113833834A (en) | 2021-12-24 |
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