CN109570866A - A kind of nest positioning device - Google Patents
A kind of nest positioning device Download PDFInfo
- Publication number
- CN109570866A CN109570866A CN201811467545.8A CN201811467545A CN109570866A CN 109570866 A CN109570866 A CN 109570866A CN 201811467545 A CN201811467545 A CN 201811467545A CN 109570866 A CN109570866 A CN 109570866A
- Authority
- CN
- China
- Prior art keywords
- hollow shaft
- gear
- locating shaft
- positioning
- positioning device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007787 solid Substances 0.000 claims description 31
- 238000003780 insertion Methods 0.000 claims description 20
- 230000037431 insertion Effects 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 210000003781 tooth socket Anatomy 0.000 abstract description 18
- 238000003466 welding Methods 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The present invention relates to field of locating technology is clamped, in particular to a kind of nest positioning device, including bracket, the bracket is provided with multiple positioning pins and the locating shaft for being socketed the multiple gear；The positioning pin is used for circumferential direction and radial positioning to the gear, and the locating shaft is used for the gear axially position；The multiple positioning pin is arranged along the axial direction of the locating shaft, the positioning pin is towards the locating shaft and the axis of the vertical locating shaft, positioning device guarantees that multiple gears arranged side by side are axially concentric, each gear is radially and circumferentially positioned, guarantee nest has one group towards identical tooth socket, guarantees the precision of nest and the accuracy of welding.
Description
Technical field
The present invention relates to field of tooling equipment, in particular to a kind of nest positioning device.
Background technique
Nest is the important driving parts of space station mechanical arm, and design of part is multiple individual gears axial alignment diameters
To alignment, then welding in parallel, gear has an axis hole, different modules and the number of teeth may it is identical may also be different；Welding
Each gear on nest afterwards has a tooth socket and a tooth socket on other gears towards identical, forms one group of tooth
Slot, i.e. a toothed slot centring feature of nest.
In the welding process, multiple gear location difficulties, when welding, encounters gear to gear, and gear is easy movement, influences more
Join planetary gear precision.
Summary of the invention
The purpose of the present invention is to provide a kind of nests, can guarantee multiple gears radial directions arranged side by side, axis
To with it is circumferentially fixed, guarantee the precision of nest and the accuracy of welding.
The embodiment of the present invention is achieved in that
A kind of nest positioning device, including bracket, the bracket are provided with multiple positioning pins and multiple for being socketed
The locating shaft of gear；
The positioning pin is used for circumferential direction and radial positioning to the gear, and the locating shaft is used for axial to the gear
Positioning；
The multiple positioning pin is arranged along the axial direction of the locating shaft, and the positioning pin is towards the locating shaft
And the axis of the vertical locating shaft.
Preferably, above-mentioned bracket includes bottom plate, any one side opposite sides of bottom plate be provided be used to support it is described fixed
The boss of position axis, the boss are provided with the groove for placing the locating shaft.
Preferably, above-mentioned bottom plate is provided with the threaded hole for being threadedly coupled with the positioning pin.
Preferably, above-mentioned bracket is additionally provided with the pressing plate for fastening the locating shaft, and the pressing plate compresses the positioning
Axis is simultaneously threadedly coupled with the boss.
Preferably, above-mentioned locating shaft includes hollow shaft and the solid shafting through the hollow shaft；
The hollow shaft peripheral side is provided with the flange moved axially for limiting the gear along the hollow shaft.
Preferably, the peripheral side of above-mentioned hollow shaft is provided with multiple annular grooves, and the multiple annular groove is along the sky
The axial alignment of mandrel.Multiple gear fixations are welded afterwards on the positioning device, and it is extra when welding that groove is used to accommodate
Metallic solution prevents gear from welding together with locating shaft.
Preferably, the two sides of above-mentioned solid shafting are provided with external screw thread, and the external screw thread is connected with for fastening the gear
Nut, the hollow shaft is located between two nuts.
Preferably, the one end of above-mentioned hollow shaft far from flange is insertion end, and the inner cavity of the hollow shaft is horn-like structure,
From the insertion end to the flange, the internal diameter of the hollow shaft is gradually reduced；
The solid shafting is provided with the conical surface with the horn-like structure cooperation of the hollow shaft.
Preferably, the central angles such as peripheral side of above-mentioned hollow shaft are provided with multiple open slots, and the open slot is inserted from described
Enter end and extends to the flange.
Preferably, one end of above-mentioned positioning pin towards the locating shaft is provided with the cone for cooperating with the gear tooth slot
Platform.
The beneficial effect of the embodiment of the present invention is:
The welding for facilitating nest guarantees the precision of nest.
Before nest welding, multiple gears require with one heart in the axial direction, each on the nest after welding
Gear has a tooth socket and a tooth socket on other gears towards identical, forms one group towards identical tooth socket, positioning shaft sleeve
Multiple gears are connect, guarantee that multiple gears are axially concentric, positioning pin carries out week to each gear respectively from the radial direction of gear
It to positioning, prevents gear from rotating, ensure that the precision of nest, nest is facilitated to weld.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is structural schematic diagram of the embodiment of the present invention；
Fig. 2 is another structural schematic diagram of the embodiment of the present invention；
Fig. 3 is hollow shaft structure of embodiment of the present invention schematic diagram；
Fig. 4 is boss structure schematic diagram of the present invention.
Icon: 1- primary nut；2- hollow shaft；3- gasket；4- gear；5- big nut；6- solid shafting；7- cover board；
8- boss；9- bottom plate；10- positioning pin；21- flange；22- open slot；23- annular groove.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment 1:
Fig. 1-4 is please referred to, the present embodiment provides a kind of nest positioning device, including bracket, bracket is provided with positioning
Pin 10 and locating shaft for being socketed gear 4；
Positioning pin 10 prevents gear from rotating on locating shaft for radially and circumferentially positioning to gear 4；Locating shaft for pair
4 axially position of gear.
Multiple gears 4 are set on locating shaft, and locating shaft guarantees multiple gears 4 with one heart, and positioning pin 10 is to each gear
Radially and circumferentially positioned, prevent gear 4 from rotating, make one of a tooth socket on each gear and other gears 4
Tooth socket guarantees that nest has one group towards identical tooth socket in the axial direction, facilitates gear 4 to weld, improve towards identical
Nest precision.
Bracket includes bottom plate 9, and the opposite sides of any one side of bottom plate 9 is provided with the boss 8 for being used to support locating shaft, bottom plate
9 are provided with the threaded hole for being threadedly coupled with positioning pin 10, and boss 8 is provided with the groove for placement positioning axis, and bracket is also
It is provided with the pressing plate 7 for fastening locating shaft, pressing plate 7 presses locating shaft and is fastenedly connected with boss 8.
The both ends of locating shaft are put into groove, and pressing plate 7 is threadedly coupled with boss 8, and positioning is fixed on boss 8 by pressing plate 7,
It is provided with 7 gasket 3 of pressing plate between pressing plate 7 and boss 8, prevents locating shaft mobile.
Locating shaft includes hollow shaft 2 and the solid shafting 6 through hollow shaft 2, and 2 peripheral side of hollow shaft is provided with for gear
The flange 21 of 4 limits, the peripheral side of hollow shaft 2 are provided with multiple annular grooves 23 along the arrangement of 2 axis direction of hollow shaft, annular
The position of corresponding two gears 4 welding of groove 23, for accommodating molten metal when welding.The both ends of solid shafting 6 are provided with outer spiral shell
Line, external screw thread are connected with nut, and hollow shaft 2 is located between two nuts, and the one end of hollow shaft 2 far from flange 21 is solid shafting 6
Insertion end；Hollow shaft 2 is held on the basis of one end of flange 21, towards upper face as multi-joint between flange 21 and reference edge
The datum level of gear.
The internal diameter of hollow shaft 2 be it is horn-like, from insertion end to flange 21, the internal diameter of hollow shaft 2 is gradually reduced, hollow shaft 2
On be provided with multiple open slots 22, open slot 22 extends to flange 21 from insertion end, and the equal central angles setting of multiple open slots 22 is empty
The peripheral side of mandrel 2, solid shafting 6 are provided with the conical surface with the cooperation of 2 internal diameter of hollow shaft.
In assembling process, first gasket 3 is set in hollow shaft 2, is then successively inserted in multiple gears 4, by solid shafting 6
Out of insertion end insertion hollow shaft 2, gradually swell, hollow shaft 2 and the axis hole of gear 4 fit closely the axial circular of hollow shaft 2, protect
Demonstrate,prove the axial concentric of gear 4.
Positioning pin 10 is provided with multiple and along the axially extending of locating shaft, 10 perpendicular positioning axis of positioning pin, 10 court of positioning pin
It is provided with to the side of locating shaft for the frustum with tooth socket fit.
Positioning pin 10 the peripheral side perpendicular positioning axis of locating shaft axis, when rotational positioning pin 10, positioning pin
10 is mobile towards locating shaft, and positioning pin 10 is contacted with gear 4, in the tooth socket of the frustum insertion gear 4 on 10 top of positioning pin, individually
Positioning pin 10 completes the positioning to single gear 4, and multiple positioning pins 10 are located on the same line and respectively to each tooth
Wheel carries out radial positioning, guarantees that there are one group towards identical tooth socket on nest axial direction.
Embodiment 2:
Fig. 1-4 is please referred to, the present embodiment provides a kind of nest positioning devices, including bottom plate 9, locating shaft and positioning
Pin 10, the opposite two sides of bottom plate 9 are provided with boss 8, and the groove for being used to support locating shaft is provided on boss 8, and boss 8 passes through spiral shell
The mode of line connection is connected with pressing plate 7, and pressing plate 7 is threadedly coupled with boss 8, and locating shaft is fixed on boss 8 by pressing plate 7.Bottom plate 9
On offer multiple threaded holes towards locating shaft, threaded hole is arranged along the axis direction of locating shaft, 10 screw thread of positioning pin
After connection screw thread hole, the peripheral side of 10 perpendicular positioning axis of positioning pin, rotational positioning pin 10, positioning pin 10 is mobile towards locating shaft；
Locating shaft includes hollow shaft 2 and solid shafting 6, and flange 21 is provided on the outside of hollow shaft 2, and flange 21 is used to limiting gear
4 move in hollow shaft 2, and the one end of hollow shaft 2 far from flange 21 is the insertion end of solid shafting 6, and the internal diameter of hollow shaft 2 is loudspeaker
Shape, from insertion end to flange 21, the internal diameter of hollow shaft 2 is gradually reduced.Hollow shaft 2 is provided with multiple open slots 22, open slot 22
Flange 21 is extended to from insertion end；Solid shafting 6 is provided with the conical surface with the cooperation of 2 internal diameter of hollow shaft, when solid shafting 6 is inserted from insertion end
When entering hollow shaft 2, hollow shaft 2 can expand, and the outer diameter of hollow shaft 2 becomes larger, and hollow shaft 2 and the axis hole of gear 4 fit closely, solid
The length of axis 6 is greater than 2 length of hollow shaft, and the mode that the both ends of solid shafting 6 are connected through a screw thread is connected with nut, and nut will be hollow
Axis 2 is fixed in hollow shaft 2, prevents hollow shaft 2 from moving axially.
It is two sections that solid shafting 6, which is divided to, and on the direction of the insertion hollow shaft 2 of solid shafting 6, one section is cylindrical structure, solid shafting 6
The diameter of cylindrical structure section be less than hollow shaft 2 diameter, after insertion will not hollow shaft 2 will not expand, one section be frustum cone structure, circle
Platform structure peripheral side has the conical surface cooperated with hollow pipe, and the big nose circle diameter of frustum cone structure is greater than hollow pipe maximum gauge, when
When one section of insertion 2 inside of hollow shaft of 6 frustum cone structure of solid shafting, hollow shaft 2 expands, and fits closely the axis hole of gear 4；
After hollow shaft 2 is fixed on bottom plate 9, flange 21 is located between two boss 8, and flange 21 is bonded with boss 8, is leaned on
One section of nearly boss 8 is pressed together in groove, and solid shafting 6 runs through hollow shaft 2, and the solid shafting 6 of one end far from boss 8 is fixed on recessed
In slot；
The both ends threaded coupling nut of solid shafting 6, the nut far from insertion end are primary nut 1, and primary nut 1 is arranged in boss
8 outside, the nut close to insertion end are big nut 5, and big nut 5 is arranged between two boss 8 and squeezes gear, and gear squeezes
Belling edge 21, flange squeeze 21 belling platforms 8, to realize the fixation to gear and hollow shaft 2.Boss 8 and big nut 5 clamp hollow
Axis 2, when the nut of 6 any end of rotation lock consolidation mandrel, solid shafting 6 will be mobile backwards to locking direction, convenient to solid shafting 6
Movement, adjust be bonded between hollow shaft 2 and gear 4 it is elastic.
Nest tool is there are three gear 4, and the number of teeth and modulus of three gears be not identical, the shaft hole diameter phase of three gears
Together.Three gears 4 are respectively fitted in hollow shaft 2, movement of 21 limiting gear 4 of flange in hollow shaft 2, gear 4 and flange
Gasket 3 is provided between 21；Solid shafting 6 is inserted into hollow shaft 2, the locating shaft with gear 4 is fixed in groove, it is hollow
Axis 2 is placed on groove close to one end of flange 21, and the other end of hollow shaft 2 is located between two boss 8, solid by solid shafting 6
Fixed, nut is installed at 6 both ends of solid shafting, carries out fastening adjustment, rotational positioning pin 10 to hollow shaft 2, positioning pin 10 is moved towards gear 4
Dynamic, each gear mesh answers a positioning pin 10, and positioning pin 10 is contacted with gear 4, and the frustum on 10 top of positioning pin is embedded in gear 4
Tooth socket in, single positioning pin 10 completes the positioning to single gear 4, each gear has a tooth socket and positioning pin pair
Answer, nest axial direction there are one group towards identical tooth socket, realize a toothed slot centring structure of nest.
By the circumferential direction and radial positioning to gear, keep nest coaxial, each gear on nest has one
A tooth socket and a tooth socket of each other gear are towards identical.Realizing the axial direction of nest, there are one group towards phase
Same tooth socket, realizes a toothed slot centring structure of nest.Guarantee the precision of nest.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of nest positioning device, which is characterized in that including bracket, the bracket is provided with multiple positioning pins and is used for
It is socketed the locating shaft of multiple gears；
The positioning pin is used for circumferential direction and radial positioning to the gear, and the locating shaft is used for axially fixed to the gear
Position；
The multiple positioning pin is arranged along the axial direction of the locating shaft, and the positioning pin is towards the locating shaft and hangs down
The axis of the straight locating shaft.
2. positioning device according to claim 1, which is characterized in that the bracket includes bottom plate, and the bottom plate is any one
Face opposite sides is provided with the boss for being used to support the locating shaft, and the boss is provided with for placing the recessed of the locating shaft
Slot.
3. positioning device according to claim 2, which is characterized in that the bottom plate be provided with for the positioning pin spiral shell
The threaded hole of line connection.
4. positioning device according to claim 2, which is characterized in that the bracket is additionally provided with for fastening the positioning
The pressing plate of axis, the pressing plate compress the locating shaft and are threadedly coupled with the boss.
5. positioning device according to claim 1, which is characterized in that the locating shaft includes hollow shaft and through the sky
The solid shafting of mandrel；
The hollow shaft peripheral side is provided with the flange moved axially for limiting the gear along the hollow shaft.
6. positioning device according to claim 5, which is characterized in that the peripheral side of the hollow shaft is provided with multiple annulars
Groove, axial alignment of the multiple annular groove along the hollow shaft.
7. positioning device according to claim 5, which is characterized in that the two sides of the solid shafting are provided with external screw thread, institute
It states external screw thread and is connected with nut for fastening the gear, the hollow shaft is located between two nuts.
8. positioning device according to claim 5, which is characterized in that the one end of the hollow shaft far from flange is insertion
The inner cavity at end, the hollow shaft is horn-like structure, and from the insertion end to the flange, the internal diameter of the hollow shaft gradually subtracts
It is small；
The solid shafting is provided with the conical surface with the horn-like structure cooperation of the hollow shaft.
9. positioning device according to claim 8, which is characterized in that the central angles such as peripheral side of the hollow shaft are provided with
Multiple open slots, the open slot extend to the flange from the insertion end.
10. positioning device according to claim 1, which is characterized in that the positioning pin is towards one end of the locating shaft
It is provided with the frustum for cooperating with the gear tooth slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811467545.8A CN109570866A (en) | 2018-12-03 | 2018-12-03 | A kind of nest positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811467545.8A CN109570866A (en) | 2018-12-03 | 2018-12-03 | A kind of nest positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109570866A true CN109570866A (en) | 2019-04-05 |
Family
ID=65925915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811467545.8A Pending CN109570866A (en) | 2018-12-03 | 2018-12-03 | A kind of nest positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109570866A (en) |
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| CN107442920A (en) * | 2017-08-01 | 2017-12-08 | 中国船舶重工集团公司第七二五研究所 | A kind of thin-wall barrel high energy beam precision welding frock and welding method |
| CN206764244U (en) * | 2017-05-18 | 2017-12-19 | 湖南电气职业技术学院 | A kind of duplicate gear hot jacket positioning tool |
| CN209256193U (en) * | 2018-12-03 | 2019-08-16 | 北京星驰恒动科技发展有限公司 | A kind of nest positioning device |
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2018
- 2018-12-03 CN CN201811467545.8A patent/CN109570866A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201502684U (en) * | 2009-08-13 | 2010-06-09 | 中国三江航天工业集团公司特种车辆技术中心 | Duplicate gear |
| CN201685061U (en) * | 2010-05-25 | 2010-12-29 | 中外合资沃得重工（中国）有限公司 | Excavator bucket stick tailored-welding tooling |
| CN102581812A (en) * | 2012-02-11 | 2012-07-18 | 中国重汽集团济南动力有限公司 | Method and assembly type device for aligning countershaft assembly of dual-countershaft helical-tooth gear box |
| CN203197299U (en) * | 2013-04-01 | 2013-09-18 | 重庆永达精密机械有限公司 | Grooving clamp for clamping synchronizer duplicate gear |
| AU2014100994A4 (en) * | 2014-08-25 | 2014-09-25 | Hengdian Group Innuovo Electric Co.,Ltd. | Tool for Fixing Gear Blank |
| CN204470728U (en) * | 2015-02-15 | 2015-07-15 | 浙江午马减速机有限公司 | A kind of gear grinding fixture |
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