CN110039270A - Combined type duplicate gear production method - Google Patents
Combined type duplicate gear production method Download PDFInfo
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- CN110039270A CN110039270A CN201910288099.2A CN201910288099A CN110039270A CN 110039270 A CN110039270 A CN 110039270A CN 201910288099 A CN201910288099 A CN 201910288099A CN 110039270 A CN110039270 A CN 110039270A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000007373 indentation Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 210000000515 tooth Anatomy 0.000 description 88
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010862 gear shaping Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
Abstract
The present invention provides combined type duplicate gear production methods, by split-type design double-planetary gear, while improving the precision of two groups of teeth, are accurately positioned later by inserting, under the premise of reaching required precision, have saved cost of manufacture.Duplicate gear is split as helical gear and straight-tooth wheel shaft, is wherein provided with spur gear on straight-tooth wheel shaft, helical gear and straight-tooth wheel shaft are made into molding respectively, the straight-tooth wheel shaft fixed angle interference fit with spur gear is plugged in helical gear centre bore later.
Description
Technical field
The present invention relates to the technical fields of duplicate gear production, specially combined type duplicate gear production method.
Background technique
In common Planetary Gear Transmission application, classified according to engagement system, there are NW, WW, NGWN type planetary structures, all belong to
In dynamic gear train.In the above type, planetary gear is all that there are two types of the involute teeths of different parameters to form, referred to as duplex planet
Wheel.The processing request of double-planetary gear is that precision needs to reach 5 to 6 grades, each double-planetary gear two groups of teeth need to keep same
It is a to tooth angle degree, therefore process duplicate gear require it is relatively high.
When relatively high to equipment precision requirement, double-planetary gear and centre wheel are required to 5 to 6 grades of national standard precision, and
Double-planetary gear is limited to structure, and the external tooth big to tooth comparision is only capable of after common gear shaping and carries out roll flute, tooth comparision is small
Precision is unable to reach requirement, causes the big noise of whole set equipment, Wen Shenggao, precision low.Existing more advanced purlin tooth machine can be with
So that duplicate gear reaches 6 class precisions, and same lathe clamped one time is processed, each Gear Processing is identical, but
Purchase of equipment is at high cost, can not implement in the case where being unable to used device.
Summary of the invention
In view of the above-mentioned problems, passing through split-type design duplex the present invention provides combined type duplicate gear production method
Planetary gear, while the precision of two groups of teeth is improved, it is accurately positioned by inserting, under the premise of reaching required precision, is saved later
Cost of manufacture.
Combined type duplicate gear production method, it is characterised in that: duplicate gear is split as helical gear and straight-tooth wheel shaft,
It is provided with spur gear on middle straight-tooth wheel shaft, helical gear and straight-tooth wheel shaft are made into molding respectively, it later will be straight with spur gear
Gear shaft fixed angle interference fit is plugged in helical gear centre bore.
It is further characterized by: the double-planetary gear is made of helical gear and straight-tooth wheel shaft, outside the helical gear
For helical teeth part, inside is light circular hole, and the straight-tooth wheel shaft is made of Step Shaft, and the first shaft part is optical axis, and the second shaft part is equipped with
Straight-tooth external gear, third and fourth, five shaft parts be optical axis, the diameter of axle successively successively decreases；
Straight-tooth wheel shaft fixed angle with spur gear is interference fitted to the specific behaviour being plugged in helical gear centre bore
Steps are as follows for work:
A will fix helical gear helical teeth collet location and installation in backing plate at bottom, later by helical gear helical teeth part in advance
It is inserted in the helical teeth ring gear of helical teeth collet, passes through the first adjustment locking slot of screw locking helical teeth collet later, so that helical teeth presss from both sides
Set positions helical gear position；
Straight-tooth collet is installed in the upper surface of helical teeth collet by b, and straight-tooth part is inserted in the straight-tooth ring gear of straight-tooth collet
It is interior, the second adjustment locking slot of straight-tooth collet is adjusted by screw later, so that straight-tooth wheel shaft will not deflect, it is ensured that radial
Position is reliable；
C by press machine it is upper it is lower straight-tooth wheel shaft is pressed into, pay attention to dynamics in process of press in, indentation need slowly into
Row；After the completion, side surface locking screw is unclamped, straight-tooth wheel shaft is integrally formed with helical gear；
In step a, when the radial positioning of the helical gear and helical teeth collet, in advance in the helical teeth ring gear of helical teeth collet
Uniformly distributed at least three recessed half slots on upper chow ring will after the helical gear helical teeth part is positioned at the helical teeth ring gear
Steel ball corresponding to recessed semicircle slot number is put into the recessed half slot, ensures helical teeth part by the inner male part of steel ball
Rotation will not be deviated, it is ensured that radial positioning；
In step b, under original state the straight-tooth ring gear of straight-tooth collet and straight-tooth part there are gap, when straight-tooth wheel shaft with
When helical gear interference fit part just contact, straight-tooth collet is pre-tightened by lock-screw, makes straight-tooth collet and straight-tooth wheel shaft
The cooperation of straight-tooth part is slightly close, but need to retain portion gap, it is ensured that straight-tooth wheel shaft under the action of press machine can downwards into
Action is made.
After applying the present invention, by split-type design double-planetary gear, the precision of two groups of teeth can be improved simultaneously, by adding
Work gear-grinding process at low cost has saved the cost of purchase high precision apparatus under the premise of reaching required precision；2, tooling letter
Single feasible, at low cost, tooling processes tooth form and uses gear shaping, low processing cost, precision height；3, tool structure is simple, only several
Part composition, the processing used time is short, no complicated technology；4, press fitting process is simple, without too high operation skill, general common assembler
People can be completed；5, reproducibility is high, it is ensured that each processing finished product can be met the requirements；To sum up, it is set by split type
Double-planetary gear is counted, while improving the precision of two groups of teeth, is accurately positioned later by inserting, in the premise for reaching required precision
Under, save cost of manufacture.
Detailed description of the invention
Fig. 1 is the main view schematic cross-sectional view that the present invention is assembled using tooling；
The vertical view figure structure schematic representation (removal straight-tooth collet) that Fig. 2 is Fig. 1；
Fig. 3 is the vertical view figure structure schematic representation of the straight-tooth collet of tooling；
Title corresponding to serial number is as follows in figure:
Backing plate at bottom 1, positioning cylinder slot 101, avoid holes 102, helical teeth collet 2, helical teeth ring gear 201, the first adjustment lock
Tight slot 202, inner ring positioning spigot anchor ring 203, the first inner groovy 204, recessed half slot 205, straight-tooth collet 3, straight-tooth ring gear
301, the convex 303, second inner groovy 304 under second adjustment locking slot 302, bottom inner ring, compound planet gear 4, helical teeth part 41,
Straight-tooth part 42, straight-tooth wheel shaft 43, helical gear 44, axial circular pin 5, screw hole 6, steel ball 7.
Specific embodiment
Combined type duplicate gear production method, is shown in Fig. 1-Fig. 3: duplicate gear 4 is split as helical gear 44 and straight-tooth wheel shaft
43, it wherein is provided with spur gear 45 on straight-tooth wheel shaft 43, helical gear 44 and straight-tooth wheel shaft 43 are made into molding respectively, later by band
There is 43 fixed angle of the straight-tooth wheel shaft interference fit of spur gear 45 to be plugged in the centre bore of helical gear 44.
Double-planetary gear 4 is made of helical gear 44 and straight-tooth wheel shaft 43, is helical teeth part 41 outside helical gear 44, inside is
Light circular hole, straight-tooth wheel shaft 43, is made of Step Shaft, and the first shaft part is optical axis, and the second shaft part is equipped with straight-tooth external gear, straight-tooth external tooth
The outside of wheel be straight-tooth part 42, third and fourth, five shaft parts be optical axis, the diameter of axle successively successively decreases.
43 fixed angle of straight-tooth wheel shaft interference fit with spur gear 45 is plugged in the centre bore of helical gear 43
Specific steps are as follows:
A is in advance by 2 location and installation of helical teeth collet of fixed helical gear 44 in backing plate at bottom 1, later by the oblique of helical gear 44
Toothed portion 41 is inserted in the helical teeth ring gear 201 of helical teeth collet 2, is locked later by the first adjustment of screw locking helical teeth collet 201
Tight slot 202, so that helical teeth collet 2 positions the position of helical gear 44；
Straight-tooth collet 3 is installed in the upper surface of helical teeth collet 2 by b, straight-tooth part 42 is inserted in the straight-tooth of straight-tooth collet
In gear ring, the second adjustment locking slot of straight-tooth collet is adjusted by screw later, so that straight-tooth wheel shaft will not deflect, it is ensured that
Radial position is reliable；
C by press machine it is upper it is lower straight-tooth wheel shaft is pressed into, pay attention to dynamics in process of press in, indentation need slowly into
Row；After the completion, side surface locking screw is unclamped, straight-tooth wheel shaft is integrally formed with helical gear；
In step a, when the radial positioning of the helical gear and helical teeth collet, in advance in the helical teeth ring gear of helical teeth collet
Uniformly distributed at least three recessed half slots on upper chow ring will after the helical gear helical teeth part is positioned at the helical teeth ring gear
Steel ball corresponding to recessed semicircle slot number is put into the recessed half slot, ensures helical teeth part by the inner male part of steel ball
Rotation will not be deviated, it is ensured that radial positioning；
In step b, under original state the straight-tooth ring gear of straight-tooth collet and straight-tooth part there are gap, when straight-tooth wheel shaft with
When helical gear interference fit part just contact, straight-tooth collet is pre-tightened by lock-screw, makes straight-tooth collet and straight-tooth wheel shaft
The cooperation of straight-tooth part is slightly close, but need to retain portion gap, it is ensured that straight-tooth wheel shaft under the action of press machine can downwards into
Action is made.
It is needed during straight-tooth wheel shaft fixed angle interference fit with spur gear is plugged in helical gear centre bore
Want following tooling, see Fig. 1-Fig. 3: it includes backing plate at bottom 1, helical teeth collet 2, straight-tooth collet 3, and the upper surface of backing plate at bottom 1 is set
It is equipped with positioning cylinder slot 101, helical teeth collet 2 is torus, and the internal ring wall of helical teeth collet 2 is provided with helical teeth ring gear 201, helical teeth
The tooth form of ring gear 201 is identical as the tooth form of helical teeth part 41 of compound planet gear 4, the helical teeth part 41 of double-planetary gear 4
It is inserted in the helical teeth ring gear 201 of helical teeth collet 2, the first adjustment locking of helical teeth collet 2 radially offered through ring body
Slot 202, the first adjustment locking slot 202 pass through screw locking helical teeth collet 2；The bottom of helical teeth collet 2 is embedded in positioning cylinder slot
In 101, one end of the separate the first adjustment locking slot 202 of helical teeth collet 2 is fixed in the correspondence position of backing plate at bottom 1 by screw
It sets；Straight-tooth collet 3 is torus, and the internal ring wall of straight-tooth collet 3 is provided with straight-tooth ring gear 301, the tooth form of straight-tooth ring gear 301
Identical as the tooth form of straight-tooth part 42 of compound planet gear 4, straight-tooth collet 3 is inserted in the straight-tooth part 42 of double-planetary gear 4
In straight-tooth ring gear 301, the second adjustment locking slot 302 of straight-tooth collet 3 radially offered through ring body, second adjustment lock
Tight slot 301 passes through screw locking straight-tooth collet 3；After helical teeth part 41 is positioned at helical teeth collet 2, straight-tooth collet 3 is adjusted far from second
One end of whole locking slot 301 is fixed in the correspondence radial position of helical teeth collet 2 by axial circular pin 5；It further includes having pressure
Machine (is not drawn into, belong to existing mature pressure texture) in figure, and straight-tooth wheel shaft 43 is pressed into helical gear 44 from top to bottom by press machine.
The convex 303 inner ring positioning spigot ring for being positioned at helical teeth collet 2 under the bottom inner ring of straight-tooth collet 3 under use state
Face 203, it is ensured that helical teeth collet 2, the positioning stablity of straight-tooth collet 3 are reliable；
The first adjustment locking slot 201, second adjustment locking slot 301 are the slot of 0.5~1.2mm of width；
The both sides of the face position that the first adjustment locking slot 201, second adjustment locking slot 301 correspond to respective ring body is set respectively
It sets there are two screw hole 6, two hexagon socket head cap screws of corresponding position extend through after the screw hole 6 of a corresponding end face tightly as screw
It is fixed in the screw hole 6 of other end；
Helical teeth collet 2 correspond to the first adjustment locking slot 201 radially inwardly along ring body position be provided in first
Groove 204, the radial depth of the first inner groovy 204 extend at 0.65-0.75 times of position of 2 outer diameter of helical teeth collet, it is ensured that
Helical teeth part 41, which facilitates, to be inserted into helical teeth collet 2 and passes through screw locking；
Straight-tooth collet 3 correspond to second adjustment locking slot 301 radially inwardly along ring body position be provided in second
Groove 304, the radial depth of the second inner groovy 304 extend at 0.65-0.75 times of position of 3 outer diameter of straight-tooth collet, it is ensured that
Straight-tooth part 42 facilitates the gap for inserting and adjusting straight-tooth part 42 and straight-tooth ring gear 301 into straight-tooth collet 3 and by screw；
It is evenly equipped at least three recessed half slots 205 on the upper chow ring of the helical teeth ring gear 201 of helical teeth collet 2, recessed half
The inner edge opening of circular groove 205 is arranged, and after helical teeth part 41 is positioned at helical teeth ring gear 2, will correspond to recessed 205 quantity of half slot
Steel ball 7 be put into recessed half slot 205, ensure that helical teeth part 41 will not deviate rotation by the inner male part of steel ball 7, it is ensured that
Radial positioning；
In specific embodiment, the quantity of recessed half slot 205 is three；
The inserting position that backing plate at bottom 1 corresponds to straight-tooth wheel shaft 43 is provided with avoid holes 102.
Helical teeth ring gear, the cooperation of helical teeth part is arranged to be whole in helical teeth collet and backing plate at bottom fastening inside helical teeth collet
It is inserted in helical teeth ring gear, helical teeth collet is locked by soket head cap screw by side, three steel balls is disposed to be respectively placed in helical teeth folder
Cover three recessed semicircle groove locations, fixed helical gear helical teeth part；Helical teeth collet and straight-tooth collet are combined, from axis
To axial circular pin is squeezed into, axial circular pin is through straight-tooth collet and is driven into helical teeth collet, presss from both sides straight-tooth collet and helical teeth
Set is kept fixed angle, and is positioned by seam allowance；Straight-tooth ring gear is inserted in straight-tooth part cooperation on straight-tooth wheel shaft, passes through screw
Pre-tighten straight-tooth collet so that by press machine it is upper it is lower straight-tooth wheel shaft is pressed into, pay attention to dynamics in process of press in, indentation needs
Slowly carry out；After the completion, side surface locking screw is unclamped, straight-tooth wheel shaft and helical gear become for one, and each angle
Spend it is essentially identical, deviation be not more than 0.03mm；Meet duplicate gear processing request matches pressure to tooth, ensure that with batch duplex row
Star-wheel each upper two tooth forms angle is all the same, and tooling processing cost is low, and structure is simple, easy to process.
Its advantages are as follows: 1, by split-type design double-planetary gear, can improve the precision of two groups of teeth simultaneously, lead to
The low gear-grinding process of processing cost is crossed, under the premise of reaching required precision, has saved the cost of purchase high precision apparatus；2, work
Simple possible is filled, at low cost, tooling processes tooth form and uses gear shaping, low processing cost, precision height；3, tool structure is simple, only
Several part compositions, the processing used time is short, no complicated technology；4, press fitting process is simple, without too high operation skill, general common dress
It can be completed with worker；5, reproducibility is high, it is ensured that each processing finished product can be met the requirements.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (5)
1. combined type duplicate gear production method, it is characterised in that: duplicate gear is split as helical gear and straight-tooth wheel shaft, wherein
It is provided with spur gear on straight-tooth wheel shaft, helical gear and straight-tooth wheel shaft are made into molding respectively, the straight-tooth of spur gear will be had later
Wheel shaft fixed angle interference fit is plugged in helical gear centre bore.
2. combined type duplicate gear production method as described in claim 1, it is characterised in that: the double-planetary gear is by helical teeth
Wheel and straight-tooth wheel shaft composition, the helical gear outside are helical teeth part, and inside is light circular hole, the straight-tooth wheel shaft, by Step Shaft
Composition, the first shaft part be optical axis, the second shaft part be equipped with straight-tooth external gear, third and fourth, five shaft parts be optical axis, the diameter of axle is successively passed
Subtract.
3. combined type duplicate gear production method as described in claim 1, which is characterized in that the spur gear of spur gear will be had
Axis fixed angle interference fit be plugged in it is in helical gear centre bore specific steps are as follows:
A will fix helical gear helical teeth collet location and installation in backing plate at bottom in advance, later be inserted in helical gear helical teeth part
The helical teeth ring gear of helical teeth collet passes through the first adjustment locking slot of screw locking helical teeth collet later, so that helical teeth collet will
Helical gear position positioning；
Straight-tooth collet is installed in the upper surface of helical teeth collet by b, and straight-tooth part is inserted in the straight-tooth ring gear of straight-tooth collet, it
The second adjustment locking slot for adjusting straight-tooth collet by screw afterwards, so that straight-tooth wheel shaft will not deflect, it is ensured that radial position
Reliably；
C by press machine it is upper it is lower straight-tooth wheel shaft is pressed into, dynamics is paid attention in process of press in, indentation need to be carried out slowly；It is complete
Cheng Hou, unclamps side surface locking screw, and straight-tooth wheel shaft is integrally formed with helical gear.
4. combined type duplicate gear production method as claimed in claim 3, it is characterised in that: in step a, the helical gear and
When the radial positioning of helical teeth collet, at least three recessed semicircles are evenly distributed on the upper chow ring of the helical teeth ring gear of helical teeth collet in advance
After the helical gear helical teeth part is positioned at the helical teeth ring gear, the steel ball for corresponding to recessed semicircle slot number is put for slot
Enter in the recessed half slot, ensures that helical teeth part will not deviate rotation by the inner male part of steel ball, it is ensured that radial positioning.
5. combined type duplicate gear production method as claimed in claim 3, it is characterised in that: straight under original state in step b
There are gaps for the straight-tooth ring gear of toothholder set and straight-tooth part, when straight-tooth wheel shaft has just been contacted with helical gear interference fit part
When, straight-tooth collet is pre-tightened by lock-screw, keeps the cooperation of the straight-tooth part of straight-tooth collet and straight-tooth wheel shaft slightly close, but need
Retain portion gap, it is ensured that straight-tooth wheel shaft can be acted downwards under the action of press machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288099.2A CN110039270B (en) | 2019-04-11 | 2019-04-11 | Method for manufacturing combined duplicate gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288099.2A CN110039270B (en) | 2019-04-11 | 2019-04-11 | Method for manufacturing combined duplicate gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110039270A true CN110039270A (en) | 2019-07-23 |
| CN110039270B CN110039270B (en) | 2021-02-26 |
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| CN201910288099.2A Expired - Fee Related CN110039270B (en) | 2019-04-11 | 2019-04-11 | Method for manufacturing combined duplicate gear |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055091A (en) * | 2019-12-30 | 2020-04-24 | 綦江齿轮传动有限公司 | High-position machining method for duplicate gear |
| CN112589400A (en) * | 2020-10-19 | 2021-04-02 | 江苏华永复合材料有限公司 | High-precision duplex planetary gear machining process |
| CN112917111A (en) * | 2021-03-05 | 2021-06-08 | 山东华成中德传动设备有限公司 | Method for machining split crankshaft gear for diesel engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111055091A (en) * | 2019-12-30 | 2020-04-24 | 綦江齿轮传动有限公司 | High-position machining method for duplicate gear |
| CN111055091B (en) * | 2019-12-30 | 2021-07-13 | 綦江齿轮传动有限公司 | High-position machining method for duplicate gear |
| CN112589400A (en) * | 2020-10-19 | 2021-04-02 | 江苏华永复合材料有限公司 | High-precision duplex planetary gear machining process |
| CN112917111A (en) * | 2021-03-05 | 2021-06-08 | 山东华成中德传动设备有限公司 | Method for machining split crankshaft gear for diesel engine |
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| CN110039270B (en) | 2021-02-26 |
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