CN108555548A - A kind of production and processing method of firm gear - Google Patents
A kind of production and processing method of firm gear Download PDFInfo
- Publication number
- CN108555548A CN108555548A CN201810787494.0A CN201810787494A CN108555548A CN 108555548 A CN108555548 A CN 108555548A CN 201810787494 A CN201810787494 A CN 201810787494A CN 108555548 A CN108555548 A CN 108555548A
- Authority
- CN
- China
- Prior art keywords
- firm gear
- grinding wheel
- gear
- synchronous belt
- firm
- 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.)
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J17/00—Joints
Abstract
The present invention relates to firm gear field, espespecially a kind of production and processing method of firm gear.Firm gear production and processing method of the present invention includes mainly roughing process, semifinishing process and finishing step, wherein finishing step carries out roll flute by using plated diamond grinding wheel to the firm gear after gear shaping, ensure the machining accuracy of firm gear, improve the degree of engagement of firm gear and flexbile gear, it not only reduces noise and improves processing joint precision, the error of firm gear assembly is also reduced, Product Precision is improved.
Description
Technical field
The present invention relates to firm gear field, espespecially a kind of production and processing method of firm gear.
Background technology
Harmonic reducer of robot is by its is simple in structure, size is small, noise is small, transmission ratio is big, high transmission accuracy and effect
The advantages that rate is high, and be widely used by the important component as joint of robot.Since U.S. C.W. Mai Saier in 1955
Since having invented First harmonic speed reducer, whole world major industrial country has all carried out comprehensive research to it, and then makes successively
For many serial types harmonic speed reducer different with dimensions is gone out, wherein with involute fine module gear flank profil harmonic reduction
Device is most widely used.Wherein, the rotating part in the joint that harmonic speed reducer is widely used in robot by above-mentioned advantage
Position, the rotary table of machining center, manipulator rotating part, precision rotary table, Medical Instruments, measurement instrument, IC
The wide range of areas such as manufacturing device, aerospace appts, national defence equipment, it is especially very universal in industrial robot field application；
For industrial robot, harmonic speed reducer can greatly reduce industrial robot size, reduce noise, improve efficiency and
Precision.
However, for existing harmonic speed reducer, still apparent and service life also needs further to carry noise
It is high.And in the production process of firm gear, be processed simply by gear shaping, precision is not high enough, easy tos produce and makes an uproar after assembly
Sound.
Invention content
To solve the above problems, the present invention provides a kind of production and processing method of firm gear, the flank of tooth of firm gear internal tooth is carried out
Shaping improves assembly precision, reduces noise and improves processing of robots joint precision.
To achieve the above object, the technical solution adopted by the present invention is：A kind of production and processing method of firm gear, including it is following
Step：
S1, roughing process the circular centre bore through firm gear by lathe respectively, then in firm gear centre bore periphery
Evenly spaced internal tooth is processed, and there are the allowance of 0.3mm in the groove of internal tooth；
S2, semifinishing carry out gear shaping by gear shaping equipment to the internal tooth of firm gear, and there are 0.01- to the groove of internal tooth
The allowance of 0.02mm；
S3, finishing carry out roll flute using plated diamond grinding wheel to the internal tooth of firm gear, and in process, firm gear level is fixed,
And grinding wheel is vertically fixed by process equipment, and rotates roll flute along internal tooth groove, has often ground a tooth, grinding wheel is to moving up
Dynamic, firm gear then horizontally rotates, and then grinding wheel moves down progress roll flute next time.
Further, in S3, by cylinder or mechanical hand-motion process equipment grinding wheel is moved up and down, passes through servo
Motor drives fixture that firm gear is made to horizontally rotate.
Wherein, grinding wheel rotation per minute 800 times, the grinding wheel are every time 3s to the time of contact of firm gear roll flute.
Further, the process equipment includes driving motor, main shaft, driven wheel, grinding wheel fixed mechanism, the first synchronous belt
With the second synchronous belt, the main shaft and driving motor are drivingly connected, first synchronous belt both ends be socketed in respectively main shaft and from
On driving wheel, second synchronous belt both ends are socketed in respectively on driven wheel and grinding wheel fixed mechanism, the driving motor driving master
Axis makes the first synchronous belt rotate, while the first synchronous belt drives the driven wheel rotation of the other end, and driven wheel drives the simultaneously
Two synchronous belts rotate, and the second synchronous belt drives the grinding wheel fixed mechanism of the other end to rotate again, and last grinding wheel fixed mechanism drives sand
Wheel rotation.
Wherein, the firm gear is spheroidal graphite cast-iron firm gear.
The beneficial effects of the present invention are：Firm gear production and processing method of the present invention mainly include roughing process,
Semifinishing process and finishing step, wherein finishing step by using plated diamond grinding wheel to the firm gear after gear shaping into
Row roll flute ensures the machining accuracy of firm gear, improves the degree of engagement of firm gear and flexbile gear, not only reduces noise and improves processing joint essence
Degree also reduces the error of firm gear assembly, improves Product Precision.
Description of the drawings
Fig. 1 is the flow diagram of the present invention.
Fig. 2 is the structural schematic diagram of firm gear of the present invention.
Fig. 3 is the structural schematic diagram of grinding wheel of the present invention.
Fig. 4 is the structural schematic diagram of process equipment of the present invention.
Fig. 5 is another structural schematic diagram of process equipment of the present invention
Drawing reference numeral explanation：1. firm gear；11. internal tooth；12. screw attachment holes；2. grinding wheel；3. process equipment；31. main shaft；
32. driven wheel；33. grinding wheel fixed mechanism；34. the first synchronous belt；35. the second synchronous belt.
Specific implementation mode
In order to make the technical problems, technical solutions and beneficial effects solved by the present invention be more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
It please refers to Fig.1 shown in -5, the present invention includes the following steps about a kind of production and processing method of firm gear：
S1, roughing process the circular centre bore through firm gear 1 by lathe respectively, then in 1 centre bore circumference of firm gear
Face processes evenly spaced internal tooth 11, and there are the allowance of 0.3mm in the groove of internal tooth 11；
S2, semifinishing carry out gear shaping by gear shaping equipment to the internal tooth 11 of firm gear 1, and to the groove of internal tooth 11 there are
The allowance of 0.01-0.02mm；
S3, finishing carry out roll flute using plated diamond grinding wheel 2 to the internal tooth 11 of firm gear 1, and in process, firm gear 1 is horizontal
It is fixed, and grinding wheel 2 is vertically fixed by process equipment 3, and roll flute is rotated along 11 groove of internal tooth, a tooth is often ground, sand
Wheel 2 moves up, and firm gear 1 then horizontally rotates, and then grinding wheel 2 moves down progress roll flute next time.
Compared with prior art, firm gear production and processing method of the present invention includes mainly roughing process, half finishing
Work process and finishing step, wherein finishing step grind the firm gear 1 after gear shaping by using plated diamond grinding wheel 2
Tooth ensures the machining accuracy of firm gear 1, improves the degree of engagement of firm gear 1 and flexbile gear, not only reduces noise and improves processing joint essence
Degree also reduces the error of the assembly of firm gear 1, improves Product Precision.
Further, in S3, by cylinder or mechanical hand-motion process equipment 3 so that grinding wheel 2 moves up and down, by watching
Taking motor drives fixture that firm gear 1 is made to horizontally rotate.
Wherein, the grinding wheel rotates 800 times for every 2 minutes, and the grinding wheel 2 is every time 3s to the time of contact of 1 roll flute of firm gear.
In the present embodiment, whole process is that automation is processed, and the processing for completing a firm gear 1 only needs 5 minutes.
And the plated diamond grinding wheel 2 used in the present embodiment, wearability is good, can preferably improve machining accuracy,
One grinding wheel 2 can process 4000-5000 teeth.
Further, the process equipment 3 includes driving motor, main shaft 31, driven wheel 32, grinding wheel fixed mechanism 33, the
One synchronous belt 34 and the second synchronous belt 35, the main shaft 31 are drivingly connected with driving motor, 34 both ends of the first synchronous belt point
It is not socketed on main shaft 31 and driven wheel 32,35 both ends of the second synchronous belt are socketed in driven wheel 32 respectively and grinding wheel fixes machine
On structure 33, the driving motor driving spindle 31 is so that the first synchronous belt 34 rotates, while the first synchronous belt 34 drives the other end
Driven wheel 32 rotate, and driven wheel 32 drives the rotation of the second synchronous belt 35 simultaneously, and the second synchronous belt 35 drives the other end again
Grinding wheel fixed mechanism 33 rotates, and last grinding wheel fixed mechanism 33 drives grinding wheel 2 to rotate.Wherein, grinding wheel 2 by shaft or bearing with
Grinding wheel mechanism 33 is fixed by socket, and is connected and fixed by baffle.
Wherein, the firm gear 1 is spheroidal graphite cast-iron firm gear 1.It is substituted by using the spheroidal graphite cast-iron of high Oxygen potential continuously casting
Traditional material can quickly absorb vibrations, and Wear vesistance is excellent, provides the service life of harmonic speed reducer.
Include in the form of annular discs rigid in the present embodiment using the S shape teeth firm gear 1 applied to harmonic speed reducer
Take turns ontology, the core of firm gear ontology offer extend along the axis direction of firm gear ontology and completely through centre bore, center
Hole is in rounded shape, and the periphery of centre bore is provided with along the extension of centre bore axis direction and circumferentially ring-type is evenly spaced on
Internal tooth 11.Wherein, for convenience of 1 assembly connection of firm gear, firm gear offers circumferentially cyclic annular uniform intervals in the periphery of centre bore
The screw attachment holes 12 of distribution；In addition, screw attachment holes 12 are matched with corresponding lock screw.
Embodiment of above be only the preferred embodiment of the present invention is described, not to the scope of the present invention into
Row limits, under the premise of not departing from design spirit of the present invention, technical side of this field ordinary engineering and technical personnel to the present invention
The various modifications and improvement that case is made should all be fallen into the protection domain of claims of the present invention determination.
Claims (5)
1. a kind of production and processing method of firm gear, which is characterized in that include the following steps：
S1, roughing process the circular centre bore through firm gear by lathe respectively, then in firm gear centre bore periphery
Evenly spaced internal tooth is processed, and there are the allowance of 0.3mm in the groove of internal tooth；
S2, semifinishing carry out gear shaping by gear shaping equipment to the internal tooth of firm gear, and there are 0.01- to the groove of internal tooth
The allowance of 0.02mm；
S3, finishing carry out roll flute using plated diamond grinding wheel to the internal tooth of firm gear, and in process, firm gear level is fixed,
And grinding wheel is vertically fixed by process equipment, and rotates roll flute along internal tooth groove, has often ground a tooth, grinding wheel is to moving up
Dynamic, firm gear then horizontally rotates, and then grinding wheel moves down progress roll flute next time.
2. a kind of production and processing method of firm gear according to claim 1, it is characterised in that：In S3, by cylinder or
Mechanical hand-motion process equipment makes grinding wheel move up and down, and drives fixture that firm gear is made to horizontally rotate by servo motor.
3. a kind of production and processing method of firm gear according to claim 1, it is characterised in that：The grinding wheel rotation per minute
800 times, the grinding wheel is every time 3s to the time of contact of firm gear roll flute.
4. a kind of production and processing method of firm gear according to claim 1, it is characterised in that：The process equipment includes driving
Dynamic motor, main shaft, driven wheel, grinding wheel fixed mechanism, the first synchronous belt and the second synchronous belt, the main shaft drive with driving motor
Connection, first synchronous belt both ends are socketed on main shaft and driven wheel respectively, and second synchronous belt both ends are socketed in respectively
On driven wheel and grinding wheel fixed mechanism, the driving motor driving spindle makes the first synchronous belt rotate, while the first synchronous belt
The driven wheel rotation of the other end is driven, and driven wheel drives the rotation of the second synchronous belt, the second synchronous belt to drive the other end again simultaneously
The rotation of grinding wheel fixed mechanism, last grinding wheel fixed mechanism drives grinding wheel rotation.
5. a kind of production and processing method of firm gear according to claim 1, it is characterised in that：The firm gear is spheroidal graphite cast-iron
Firm gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787494.0A CN108555548A (en) | 2018-07-18 | 2018-07-18 | A kind of production and processing method of firm gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810787494.0A CN108555548A (en) | 2018-07-18 | 2018-07-18 | A kind of production and processing method of firm gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108555548A true CN108555548A (en) | 2018-09-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810787494.0A Pending CN108555548A (en) | 2018-07-18 | 2018-07-18 | A kind of production and processing method of firm gear |
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| CN (1) | CN108555548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116295A (en) * | 2018-12-27 | 2019-08-13 | 东莞市国森科精密工业有限公司 | A kind of manufacturing method of platypelloid type Rigid Gear of Harmonic Reducer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672846A (en) * | 2005-04-08 | 2005-09-28 | 华南理工大学 | Numerically controlled inner tooth grinding head |
| CN2788947Y (en) * | 2005-06-03 | 2006-06-21 | 河南科技大学 | Internal gear forming gear grinding machine tool |
| CN102489960A (en) * | 2011-12-13 | 2012-06-13 | 潍坊帅克机械有限责任公司 | Method for manufacturing harmonic reducer of robot |
| CN102528405A (en) * | 2012-01-12 | 2012-07-04 | 张强辉 | Process for machining thin-walled precision internally-toothed sleeve with flange, cone and transition ring |
| CN106825775A (en) * | 2017-01-19 | 2017-06-13 | 重庆大学 | Few teeth difference precise planetary reducer interior bracing technique |
-
2018
- 2018-07-18 CN CN201810787494.0A patent/CN108555548A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1672846A (en) * | 2005-04-08 | 2005-09-28 | 华南理工大学 | Numerically controlled inner tooth grinding head |
| CN2788947Y (en) * | 2005-06-03 | 2006-06-21 | 河南科技大学 | Internal gear forming gear grinding machine tool |
| CN102489960A (en) * | 2011-12-13 | 2012-06-13 | 潍坊帅克机械有限责任公司 | Method for manufacturing harmonic reducer of robot |
| CN102528405A (en) * | 2012-01-12 | 2012-07-04 | 张强辉 | Process for machining thin-walled precision internally-toothed sleeve with flange, cone and transition ring |
| CN106825775A (en) * | 2017-01-19 | 2017-06-13 | 重庆大学 | Few teeth difference precise planetary reducer interior bracing technique |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110116295A (en) * | 2018-12-27 | 2019-08-13 | 东莞市国森科精密工业有限公司 | A kind of manufacturing method of platypelloid type Rigid Gear of Harmonic Reducer |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180921 |
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| RJ01 | Rejection of invention patent application after publication |