CN102235485A - Workpiece revolution device - Google Patents
Workpiece revolution device Download PDFInfo
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- CN102235485A CN102235485A CN2011100416579A CN201110041657A CN102235485A CN 102235485 A CN102235485 A CN 102235485A CN 2011100416579 A CN2011100416579 A CN 2011100416579A CN 201110041657 A CN201110041657 A CN 201110041657A CN 102235485 A CN102235485 A CN 102235485A
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- speed reducer
- bearing
- rotation
- detection
- flange
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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
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2216—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool into its holder
- B23Q17/2225—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool into its holder with the toolholder as reference-element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
- B23Q5/12—Mechanical drives with means for varying the speed ratio
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2220/00—Machine tool components
- B23Q2220/004—Rotary tables
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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
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/323—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear comprising eccentric crankshafts driving or driven by a gearing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Retarders (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a workpiece revolution device, which aims at further improving reliability of revolution detection of a revolution disc in the workpiece revolution device. The workpiece revolution device is provided with: a speed reducer (24); a revolution disc (26) making a workpiece not in a graphical representation rotate; and an encoding device (revolution detection unit) (28) for the purpose of detecting revolution of the revolution disc (26). A cylindrical part for detection (a revolution part for detection) (26A) in an integral revolution with the revolution disc (26) is in a protruding with a state of going through the speed reducer (24). The cylindrical part for detection (26A) is directly supported by a bearing (30). Rotation of the cylindrical part for detection (26A) of the revolution disc (26) itself directly supported by the bearing (30) is detected by the encoding device (28), thereby detecting rotation of the revolution disc (26).
Description
Technical field
The application advocates preference 2010-103727 number based on the Japanese patent application of application on April 28th, 2010.The full content of its application is applied in this specification by reference.
The present invention relates to a kind of Workpiece Rotating instrument that uses in order to make workpiece (processing etc. need apply the parts of some processing) rotation.
Background technique
For example in patent documentation 1, disclose the Workpiece rotating device that possesses the rotating disc that is used to make Workpiece Rotating.As shown in Figure 9, in this Workpiece rotating device 2, make the rotational delay of motor 3 and the output of taking out this speed reducer 4 from flange 6 by speed reducer 4.Make the rotating disc 8 of workpiece (omitting diagram) rotation be fixed on this flange 6 by bolt 14.To detect the purpose that rotates to be of rotating disc 8, set up encoder 12 at this Workpiece rotating device 2.Encoder 12 because of the restriction on the space can not be arranged on rotating disc 8 near, therefore in this Workpiece rotating device 2, on the flange 6 of speed reducer 4, use rotary component as detecting, and make the front end of this cylinder rod 16 extend to a side opposite of speed reducer 4 with rotating disc by bolt 14 stationary cylinders rod 16.The rotation of the fore-end of encoder 12 by detecting this cylinder rod 16 comes (indirectly) to detect the rotation of rotating disc 8.
Patent documentation 1:WO2007/125800 (Fig. 1)
But in the existing Workpiece rotating device 2, the cylinder rod 16 that is used to detect the rotation of rotating disc 8 is fixed on flange 6 as the output block of speed reducer 4 by bolt 14, and directly extends to a side opposite with rotating disc of speed reducer 4.That is, become following structure: influence each other from the driving vibration of the speed reducer 4 of flange 6 sides with from the processing vibration of rotating disc 8 sides, and it arrives under state of amplification near the encoder.Therefore following problem appears: especially rotating disc 8, flange 6, and cylinder rod 16 threes produce the inclination between the axle center because of machining error or when departing from, even this inclination or depart from very little, it is big that near the axle offset of the cylinder rod 16 the encoder 12 also becomes easily, and the rotation that takes place easily under the encoder 12 detects error.
Summary of the invention
The present invention finishes in order to solve this existing problem, and its purpose is further to improve the reliability that the rotation of the rotating disc in the Workpiece rotating device detects.
The present invention solves above-mentioned problem by following formation: in Workpiece rotating device, possess: speed reducer; Rotating disc makes Workpiece Rotating; And rotation detecting circuit, to detect the purpose that rotates to be of this rotating disc, wherein, will be outstanding with rotary part with the state that runs through described speed reducer with the detection of described rotating disc one rotation, and, directly support at least 1 position of this detection by bearing, detect the detection rotation of rotary part of directly supporting, thereby detect the rotation of described rotating disc by this bearing by described rotation detecting circuit with rotary part.
In addition, in the present invention, " detect use rotary part " be meant, for by rotating the part that the purpose of the rotation (state) of drawing this rotating disc is given prominence to the state that runs through speed reducer integratedly with rotating disc.In addition, the statement that " is directly supported by bearing " is meant " detecting with rotary part from dispose bearing as purpose with supporting ".That is, the structure that only is equipped with accessory for Jie between detecting with rotary part and bearing such as the contraposition of bearing or location is contained in this said " directly being supported by bearing " such notion.
In the present invention, will be outstanding with rotary part with the state that runs through speed reducer with the detection of rotating disc one rotation, draw the rotation of rotating disc self.On this basis, directly support at least 1 position of this detection with rotary part by bearing.Therefore, can detect the rotation of rotating disc with the rotation of rotary part by the detection that detects by the bearing stable support, thereby can reduce the generation that detects error, its result can carry out high-precision (high-reliability) rotation and detect.
The invention effect
Can further improve the reliability of the rotation detection of the rotating disc in the Workpiece rotating device according to the present invention.
Description of drawings
Fig. 1 is the sectional view of an example of the mode of execution of expression Workpiece rotating device involved in the present invention.
Fig. 2 is the sectional view along the arrow II-II line of Fig. 1.
Fig. 3 is the sectional view of an example of expression other mode of executions of the present invention.
Fig. 4 is the side view of observing from the arrow IV direction of Fig. 3.
Fig. 5 is the sectional view of an example of expression another embodiment of the invention.
Fig. 6 is near the amplification view of arrow VI of Fig. 5.
Fig. 7 is the sectional view of an example of expression another embodiment of the invention.
Fig. 8 is the sectional view along the arrow VIII-VIII line of Fig. 7.
Fig. 9 is the sectional view of an example of the existing Workpiece rotating device of expression.
Symbol description:
The 20-Workpiece rotating device, 22-motor, 24-speed reducer, the 26-rotating disc, 26A-detects with cylindrical part (detect and use rotary part), 28-encoder apparatus (rotation detecting circuit), 30-bearing, 32-speed reducer shell, the 32A-housing main body, 32B-lid, 35-outside shell, the 35A-housing main body, the 35B-lid.
Embodiment
Below, the example to embodiments of the present invention is elaborated with reference to the accompanying drawings.
Fig. 1 is the sectional view of an example of the mode of execution of expression Workpiece rotating device involved in the present invention, and Fig. 2 is the sectional view along the arrow II-II line of Fig. 1.
This Workpiece rotating device 20 possesses: motor 22; Speed reducer 24; Rotating disc 26 makes not shown Workpiece Rotating; And encoder apparatus (rotation detecting circuit) 28, to detect the purpose that rotates to be of this rotating disc 26.Detect with cylindrical part (detect and use rotary part) 26A and give prominence to integratedly with cantilever position and with the state of the radial direction central authorities of running through speed reducer 24 from rotating disc 26.This detects with cylindrical part 26A and directly supports by bearing 30.Detect the rotation of the detection usefulness cylindrical part 26A of the rotating disc that directly supports by this bearing 30 26 self by encoder apparatus 28, thereby directly detect the rotation of rotating disc 26.
Below be described in detail.
On the output shaft 22A of motor 22, be fixed with the 1st belt wheel 40.The rotation of the 1st belt wheel 40 can be passed to the 2nd belt wheel 44 by being with 46 synchronously, becomes the structure of input shaft 42 rotations that make speed reducer 24 thus.
The related speed reducer 24 of this mode of execution is, is engaged in the swing internally meshed type speed reducer of internal gear 52 (himself being known) in the periphery eccentric swing external gear 48,50 of input shaft 42.Speed reducer shell 32 the becoming one of the peripheral part of internal gear 52 and formation speed reducer 24.In addition, in the present embodiment, speed reducer shell 32 is fixed in the outside shell 35 of the peripheral part that constitutes Workpiece rotating device 20 by bolt 39.Outside shell 35 is made of housing main body 35A and the lid 35B that covers the end of Workpiece rotating device 20 when being fixed in this housing main body 35A.
As shown in Figure 2, the internal tooth of internal gear 52 constitutes by roller 52A.The mechanics number of teeth of internal tooth is " 90 ".But in fact the number of (the formation internal tooth) roller 52A of internal gear 52 with half " 45 " at interval.On the one hand, the number of teeth of external gear 48,50 is " 89 " in this example.That is the number of teeth only many " 1 " of the mechanics gear ratio external gear 48,50 of internal gear 52.Even this structure, (though transfer capacity tails off a little) also carry out the number of teeth (number of roller) with internal gear be 90 and the number of teeth of external gear 48,50 be 89 the identical action of speed reducer.
In external gear 48,50 free chimeric (have the gap and run through) have sold inside the country 54, sold inside the country 54 the 1st, the 2nd flanges 56,58 that are pressed in the axial both sides that are configured in external gear 48,50.In addition, the 1st, the 2nd flange 56,58 also links or becoming one by the wheel carrier pin 60 with sold inside the country 54 split settings.1st, the 2nd flange 56,58 is rotatably freely supported on speed reducer shell 32 by bearing 62,64, and " the output rotary component " of formation speed reducer 24.
Rotating disc 26 is fixed on as the 2nd flange 58 of exporting rotary component by bolt 66.Bolt 66 be tightened against on the circumferencial direction of the 2nd flange 58 dispose the position that links or make the 2nd flange 58 and the 1st flange 56 incorporate described sold inside the country 54 or wheel carrier pin 60 (during from end on observation, with as the binding parts of the 1st, the 2nd flange be sold inside the country 54 or wheel carrier pin 60 position overlapped).This uses big (degree of tightening is higher) bolt 66 in order to seek as far as possible, and rotating disc 26 is attached at the 2nd flange 58 securely.
Described detection is with cylindrical part 26A and rotating disc 26 becoming one, with cantilever position and to run through the state of radial direction central authorities of speed reducer 24 outstanding.In this mode of execution, detect with cylindrical part 26A (not being based on the binding of bolt) initial just one-body molded with rotating disc 26.Detection is used to detect the rotation of rotating disc 26 with cylindrical part 26A, and is used for drawing to the position that disposes encoder apparatus 28 from rotating disc 26 rotation of (transmission) this rotating disc 26.
Directly support by bearing 30 at its front end 26A1 with cylindrical part 26A with the outstanding detection of cantilever position from rotating disc 26.In the present embodiment, be formed with bearing accommodating part 35B1 in that the lid 35B of described outside shell 35 is outstanding, bearing 30 is inserted in this bearing accommodating part 35B1.In addition, mark 31 is limited to back-up ring in the 35B1 of this bearing accommodating part for being used for bearing 30.
Encoder apparatus (rotation detecting circuit) 28 with detect with cylindrical part 26A this bearing 30 on axially in abutting connection with and be disposed at the reducing gear side of this bearing 30, and detect the rotation that cylindrical part 26A is used in this detection in part by bearing 30 stable support.This encoder apparatus 28 detects the known reflection-type optical formula encoder with the number of the not shown otch of the periphery of cylindrical part 26A for counting is formed at.In this mode of execution, utilize dephased encoder 28A, 28B to detect rotating speed and the sense of rotation of using cylindrical part 26A with 1 group of 2 string.But, in the present invention, may not necessarily utilize encoder for 1 group with 2 strings.In addition, even with 1 group of use of 2 strings, the using method of each encoder also is not limited to above-mentioned example.
Below, the effect of this Workpiece rotating device 20 is described.
The rotation of the output shaft 22A of motor 22 by the 1st belt wheel 40, be with 46 synchronously, and after the 2nd belt wheel 44 slows down, be input into the input shaft 42 of speed reducer 24.If input shaft 42 rotations, external gear 48,50 is engaged in internal gear 52 in swinging when rotating, and then depart from successively the engaging position of this external gear 48,50 and internal gear 52.Because internal gear 52 is fixed in speed reducer shell 32, so external gear 48,50 relative these internal gears 52 rotates (rotation) relatively, and this rotates (rotation) relatively and is passed to the 1st, the 2nd flange 56,58 by being sold inside the country 54.Therefore, rotating disc 26 and the 1st, the rotation of the 2nd flange 56,58 one.
If rotating disc 26 rotation, then detect with cylindrical part 26A and also rotate to equidirectional with the rotating speed identical with this rotating disc 26.Detect the lid 35B that directly is supported on outside shell 35 with the rotating disc opposition side of cylindrical part 26A by bearing 30.Therefore, detect with cylindrical part 26A " become flexible " etc. do not take place in rotation, the rotation by the position of encoder apparatus 28 detections that detects usefulness cylindrical part 26A is extremely stable.And, in this mode of execution, detect with becoming one of cylindrical part 26A and rotating disc 26 self, therefore, for example do not worry by in conjunction with bad cause rock etc. (can expect the further reinforcement of rigidity), and, the rotation that the is detected rotation of rotating disc just itself, therefore, certainly do not worry producing and the departing from of the rotation of actual rotating disc yet.Therefore, encoder apparatus 28 can not detect error etc., can correctly detect the rotation status with cylindrical part 26A.
Below, utilize Fig. 3 and Fig. 4 that other mode of executions of the present invention are described.
In this mode of execution, have only the structure of the lid 135B of the part of shell 135 outside constituting different with the mode of execution of front.That is, in the related Workpiece rotating device of this mode of execution, the main body 135A of outside shell 135 is fixed with the lid 135B that extends to the position that comprises described bearing 130 from this housing main body 135A relatively.Be used for fixing and detect the bearing accommodating part 135B1 that is inserted in the front end of this lid 135B with the bearing 130 of cylindrical part 126A.
Compare with the mode of execution of front,, when can alleviate the weight of Workpiece rotating device, also the represented space P2 of use oblique line among Fig. 3 can be applied to the configuration of other machines etc. along with the lid 135B light weight or the miniaturization of outside shell 135.
Other structures are identical with the mode of execution of front, therefore to similarly partly additional in the drawings back two identical marks on identical or the function, and omit repeat specification.
Another embodiment of the invention shown in Fig. 5 and Fig. 6.
In 2 mode of executions of front, to be used for supporting and detect the lid 35B (135B) that is inserted in the part of the outside shell 35 (135) that constitutes Workpiece rotating device 20 with the bearing 30 (130) of cylindrical part 26A (126A), but in the related Workpiece rotating device of this mode of execution, make this bearing 230 be disposed at input shaft 242 and detect with between the cylindrical part 226A.
The basic structure of the speed reducer 224 that adopts in this mode of execution is also identical with the related speed reducer 24,124 of the mode of execution of front, is engaged in the swing internally meshed type speed reducer of internal gear 252 in the time of for swing external gear 248,250.As previously discussed, the input shaft 242 of this speed reducer 224 becomes the parts that have hollow part 242A at the radial direction central part.Supporting detects bearing 230 with cylindrical part 226A and is inserted in inboard as the input shaft 242 of this hollow component in this embodiment.
Shown in enlarged view among Fig. 6, this bearing 230 mainly is made of the needle roller 230B that possesses inner ring 230A.Needle roller 230B keeps by retainer 230C.Do not possess outer ring (input shaft 242 double as outer rings).Bearing 230 is by being formed at ladder difference 226A1 of portion and axial the moving of back-up ring 231 regulations that detects with cylindrical part 226A.The symbol the 233, the 235th of Fig. 6 is used to finely tune the pad of the axial position of bearing 230.
The structure related according to this mode of execution in 2 mode of executions of front, can be omitted the lid 35B (135B) that is used to insert the required outside shell 35 (135) of bearing 30 (130), and can realize further lightweight and space savingization.
About other structures, since identical with 2 mode of executions of front, therefore to similarly partly additional in the drawings back two identical marks on identical or the function, and omit repeat specification.
In the above-mentioned mode of execution, the speed reducer that adopts any one same structure is as speed reducer 24 (124,224), but do not limit the concrete structure of speed reducer in the present invention especially.Apply the present invention to have the example on the Workpiece rotating device 320 of speed reducer 324 of other structures shown in Fig. 7 and Fig. 8.
Structure to the speed reducer in this mode of execution 324 is carried out simple declaration, the rotation of the output shaft 322A of motor 322 by the 1st belt wheel 340, be with 346 synchronously, and the 2nd belt wheel 344 be input into the 1st jack shaft 380.The belt wheel opposition side end of jack shaft 380 is fixed with the 1st gear 384.The 1st gear 384 is engaged in and the 2nd jack shaft 386 incorporate the 2nd gears 388.The 2nd jack shaft 386 is supported on the lid 332B and the 1st flange 356 of the speed reducer shell 332 of speed reducer 324 by bearing 390,392, and has the 3rd gear 394 and form one.The 3rd gear 394 and 3 (only illustrating 1 among the figure) eccentric body shaftgears 396 mesh simultaneously, and drive 3 eccentric axons 398.Based on the rotation of these 3 eccentric axons 398, external gear 348,350 is by being engaged in internal gear 352 in the eccentric body 397,399 that is formed at this off-centre axon 398.
In this speed reducer 324, because the becoming one of main body 332A of internal gear 352 and speed reducer shell 332, so the relative rotation (rotation) of 348,350 pairs of internal gears 352 of external gear conduct is taken out from the 1st, the 2nd flange 356,358 around the revolution of the axle O1 of the Workpiece rotating device 320 of each eccentric axon 398.In addition, the 1st, the 2nd flange 356,358 is by union body 360 and bolt 357 becoming one.Rotating disc 326 is fixed in the 2nd flange 358 by bolt 366.
In this embodiment, detect with cylindrical part 326A and also give prominence to integratedly with cantilever position and with the state of the radial direction central authorities of running through speed reducer 324 from rotating disc 326, and this detect with cylindrical part 326A axially on 1 position of reducing gear opposition side, directly support by bearing 330.Bearing 330 is inserted in the lid 332B (more specifically, bearing 330 is inserted between the bearing 390 and oil sealing 374 in interior week of lid 332B) of speed reducer shell 332.Detect the detection rotation of cylindrical part 326A of directly supporting by encoder apparatus 328, thereby directly detect the rotation of rotating disc 326 by this bearing 330.
In addition, in this embodiment, the bearing 364 of the 2nd flange 358 of speed reducer 324 also becomes stuffing box bearing, and the lid 332B of speed reducer shell 332 and detection are with also sealing by oil sealing 374 between the cylindrical part 326A, and also by oil sealing 375 sealings, the inside of this speed reducer 324 becomes the space P3 of the closure that is packaged with oiling agent thus between this lid 332B and the 1st jack shaft 380.Detect the outside that extends to this closed space P3 with cylindrical part 326A, and, carry out rotation detection based on described encoder apparatus 328 in the part (that is, not having the part of oiling agent) of this extension.
In addition, in this embodiment, also can omit the parts of the lid 35B that is equivalent in the described mode of execution, in addition, also can obtain and the oiling agent of speed reducer 324 can be used effect such on bearing 330.
Other structures are identical with the mode of execution of front, therefore to similarly partly additional in the drawings back two identical marks on identical or the function, and omit repeat specification.
Like this, in the present invention, the structure of the speed reducer that specifically is inserted in Workpiece rotating device is not particularly limited.Except that aforesaid speed reducer, for example also can adopt simple planetary speed reducer, parallel-axes gears speed reducer or use speed reducer of traction drive mechanism etc., also can use the speed reducer that comprises with the various structures of the relation of the lubricating structure of this speed reducer.Corresponding with the concrete structure of this speed reducer, the detection that also supporting is not used to detect the rotation of rotating disc among the present invention is which kind of mode to insert which kind of parts by to limit especially with the bearing of rotary part.
In addition, in the above-mentioned mode of execution, strengthen by detecting with rotary part and the one-body molded rigidity of seeking this detection usefulness rotary part of rotating disc, but in the present invention, detection may not be necessarily with rotary part and rotating disc one-body molded, also can be that for example bolt links or is pressed into binding.And, if rotating disc and detecting with the rotation of rotary part one does not then need direct binding yet, for example when rotating disc is fixed in flange, will detects and be fixed in flange with rotary part, the result also can make both rotate integratedly.
In addition, in the above-described embodiment, adopt following structure as speed reducer, the structure that promptly possesses the 1st, the 2nd flange that links by union body in the axial both sides of external gear, also adopted following structure:, rotating disc is fixed on this flange by on the circumferencial direction of one of them flange (being the 2nd flange in the above-mentioned example) of the 1st or the 2nd flange, being tightened against the bolt at the position (big and long) that disposes described union body.But the output rotary component of the speed reducer among the present invention and the binding form of rotating disc are not limited to this structure example.For example also can be with the position of the location independent of linking department on carry out the structure that bolt links.
Claims (8)
1. a Workpiece rotating device possesses: speed reducer; Rotating disc makes Workpiece Rotating; And rotation detecting circuit, detecting the purpose that rotates to be of this rotating disc,
It is characterized in that, will be outstanding with rotary part with the state that runs through described speed reducer with the detection of described rotating disc one rotation, and,
Directly support at least 1 position of this detection by bearing with rotary part,
Detect the detection rotation of rotary part of directly supporting by described rotation detecting circuit, thereby detect the rotation of described rotating disc by this bearing.
2. Workpiece rotating device as claimed in claim 1 is characterized in that,
Described detection is bearing on the shell of this Workpiece rotating device by described bearing with rotary part.
3. Workpiece rotating device as claimed in claim 2 is characterized in that,
Described shell possesses: housing main body constitutes the peripheral part of described Workpiece rotating device; And lid, when being fixed in this housing main body, extend to the position that comprises described bearing from this housing main body,
Described bearing is inserted in this lid.
4. as each described Workpiece rotating device in the claim 1～3, it is characterized in that,
Described speed reducer is to make the swing internally meshed type speed reducer that is engaged in internal gear in external gear swing time, and the radial direction central part of this speed reducer possesses hollow component is arranged,
Described bearing is inserted in the inboard of described hollow component.
5. Workpiece rotating device as claimed in claim 4 is characterized in that,
Described hollow component is the input shaft that possesses the described speed reducer of the eccentric body that makes described external gear swing.
6. Workpiece rotating device as claimed in claim 4 is characterized in that,
Described speed reducer possesses the 1st, the 2nd flange in the axial both sides of described external gear, and described the 1st, the 2nd flange links by union body,
Described rotating disc is by on one of them flange that is bolted to described the 1st flange and the 2nd flange, and described bolt is tightened against the position that disposes described union body on the circumferencial direction of this flange.
7. as claim 5 or 6 described Workpiece rotating devices, it is characterized in that,
Shell by sealing described speed reducer and described detection constitute the closed space of encapsulation oiling agent with the gap of rotary part, the inside of this speed reducer,
Described detection extends to the outside of this shell with rotary part, carries out detecting based on the rotation of described rotation detecting circuit in the part of this extension.
8. Workpiece rotating device as claimed in claim 7 is characterized in that,
In the supporting that forms than the close more deceleration pusher side of part between shell that is sealed with described speed reducer and the described detection usefulness rotary part based on described bearing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-103727 | 2010-04-28 | ||
| JP2010103727A JP5466078B2 (en) | 2010-04-28 | 2010-04-28 | Work rotation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102235485A true CN102235485A (en) | 2011-11-09 |
| CN102235485B CN102235485B (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110041657.9A Active CN102235485B (en) | 2010-04-28 | 2011-02-21 | Workpiece revolution device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5466078B2 (en) |
| CN (1) | CN102235485B (en) |
| DE (1) | DE102011017210A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102853037A (en) * | 2012-10-07 | 2013-01-02 | 宏达博能自动化设备(江苏)有限公司 | Special hollow reducer for arc welding robot |
| CN108430695A (en) * | 2015-11-05 | 2018-08-21 | 德马吉森精机有限公司 | Lathe |
| WO2023051817A1 (en) * | 2021-09-30 | 2023-04-06 | 达闼机器人股份有限公司 | L-type actuator, mechanical arm and robot |
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| KR101547761B1 (en) | 2014-04-28 | 2015-08-26 | (주)대호텍 | Index table |
| JP6529863B2 (en) * | 2015-08-28 | 2019-06-12 | 住友重機械工業株式会社 | Eccentric oscillating gear device and industrial robot |
| JP6672022B2 (en) * | 2016-03-07 | 2020-03-25 | 住友重機械工業株式会社 | Gear device |
| JP6959825B2 (en) * | 2017-10-25 | 2021-11-05 | 住友重機械工業株式会社 | Decelerator |
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| JPH08226498A (en) * | 1995-02-21 | 1996-09-03 | Teijin Seiki Co Ltd | Eccentric differential reduction gear with dirve motor |
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| JP3964105B2 (en) * | 1999-07-23 | 2007-08-22 | ナブテスコ株式会社 | Reducer with rotation detector |
| JP4845255B2 (en) * | 2000-10-17 | 2011-12-28 | 株式会社ハーモニック・ドライブ・システムズ | Absolute sensor |
| JP4622363B2 (en) * | 2004-07-26 | 2011-02-02 | 日産自動車株式会社 | Mounting structure of rotation detector for electric motor |
| JP4422187B2 (en) * | 2008-04-04 | 2010-02-24 | ファナック株式会社 | Rotating table having clamp state confirmation means |
| JP2010103727A (en) | 2008-10-23 | 2010-05-06 | Sharp Corp | Display device, method of setting display device, recording medium and communication method |
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2010
- 2010-04-28 JP JP2010103727A patent/JP5466078B2/en active Active
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2011
- 2011-02-21 CN CN201110041657.9A patent/CN102235485B/en active Active
- 2011-04-15 DE DE201110017210 patent/DE102011017210A1/en not_active Ceased
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| JPH0365039U (en) * | 1989-10-31 | 1991-06-25 | ||
| JPH08226498A (en) * | 1995-02-21 | 1996-09-03 | Teijin Seiki Co Ltd | Eccentric differential reduction gear with dirve motor |
| CN101427053A (en) * | 2006-04-25 | 2009-05-06 | 纳博特斯克株式会社 | Rotation device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853037A (en) * | 2012-10-07 | 2013-01-02 | 宏达博能自动化设备(江苏)有限公司 | Special hollow reducer for arc welding robot |
| CN108430695A (en) * | 2015-11-05 | 2018-08-21 | 德马吉森精机有限公司 | Lathe |
| US10975914B2 (en) | 2015-11-05 | 2021-04-13 | Dmg Mori Co., Ltd. | Machine tool |
| WO2023051817A1 (en) * | 2021-09-30 | 2023-04-06 | 达闼机器人股份有限公司 | L-type actuator, mechanical arm and robot |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011230252A (en) | 2011-11-17 |
| JP5466078B2 (en) | 2014-04-09 |
| CN102235485B (en) | 2014-07-02 |
| DE102011017210A1 (en) | 2011-12-01 |
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