CN108145395A - A kind of manufacturing method of thin slice Weight reduced type gear - Google Patents
A kind of manufacturing method of thin slice Weight reduced type gear Download PDFInfo
- Publication number
- CN108145395A CN108145395A CN201711276102.6A CN201711276102A CN108145395A CN 108145395 A CN108145395 A CN 108145395A CN 201711276102 A CN201711276102 A CN 201711276102A CN 108145395 A CN108145395 A CN 108145395A
- Authority
- CN
- China
- Prior art keywords
- gas cutting
- hole
- positioning pin
- irregularly
- assistance platform
- 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
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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
- 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
-
- 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
- B23K7/00—Cutting, scarfing, or desurfacing by applying flames
- B23K7/005—Machines, apparatus, or equipment specially adapted for cutting curved workpieces, e.g. tubes
Abstract
The present invention relates to a kind of manufacturing methods of thin slice Weight reduced type gear.Its main feature is that include the following steps：1) the horizontal plane degree of gas cutting platform is adjusted by adjusting the adjusting bolt (5) on gas cutting assistance platform (4), scroll chuck is attached by the positioning pin (3) being welded as a whole with gas cutting assistance platform (4) with gas cutting assistance platform (4), ensure positioning pin (3) and the requirement of scroll chuck concentricity, then it is loaded output gear endoporus with the anti-pawl of scroll chuck, positioning pin (3) top is drilled with hole, and burning torch (2) is inserted into centering workpiece centre in the hole.Using big special-shaped lightening hole in the method for the present invention, so as to ensure that output gear mitigates quality, the retarder service life is improved.
Description
Technical field
The present invention relates to a kind of manufacturing methods of thin slice Weight reduced type gear.
Background technology
The mining special heavy-duty low-speed large power gearbox of coal machine mainly has tapered cylindrical planetary reduction gear, three-level circular cone circle
Stud wheel retarder etc..It is mainly used for drag conveyor, scraper blade elevating conveyor, crusher etc., therefore it is required that retarder not only has
High reliability, and adapt to the highly efficient and productive comprehensive machine of mine and match requirement.
Transmission system be mine flight conveyer, elevating conveyor transmission dynamical system, driving and passing power, ensure scraper plate
Chain is run, and ensures the normal transport of coal, wherein power part is the important component of transmission system, and (thin slice subtracts output gear
Heavy-duty gear) it is connected with retarder entering spindle, chain tightener is by output gear brake retarder input shaft during tight chain, then
Chain tension operation is adjusted, non-tight chain state output gear is with axis high speed rotation, so the quality of output gear is not only
The service life of reducer input shaft is influenced, and influences the operation of whole set coal machine conveying equipment.Output gear lightening hole conventional junction
Structure (referring to Fig. 1) is 8 50 or so circular holes of Φ, and weight reduction is not too apparent, and due to weight weight during rotation, it is big to generate torque,
Seriously affect the reducer input shaft service life.
Invention content
The object of the present invention is to provide a kind of manufacturing methods of thin slice Weight reduced type gear, and it is defeated can to realize thin slice Weight reduced type
Go out the economical manufacture of gear, and improve the concentric accuracy of manufacture of novel sheet Weight reduced type output gear.
A kind of manufacturing method of thin slice Weight reduced type gear, is particular in that, includes the following steps：
1) the horizontal plane degree of gas cutting platform is adjusted by adjusting the adjusting bolt (5) on gas cutting assistance platform (4), by three
Dog chuck is attached by the positioning pin (3) being welded as a whole with gas cutting assistance platform (4) with gas cutting assistance platform (4), is protected
Positioning pin (3) and the requirement of scroll chuck concentricity are demonstrate,proved, is then loaded output gear endoporus with the anti-pawl of scroll chuck, positioning pin (3)
Top is drilled with hole, and burning torch (2) is inserted into centering workpiece centre in the hole；
2) all irregularly-shaped holes are programmed by drawing using workpiece centre as location dimension, reserves process area as gas cutting starting point, it
It asks using composite tyre centre bore as location dimension, an irregularly-shaped hole center gas cutting goes out one and cuts hole in advance wherein；
3) according to hole surface verticality is cut in advance, by positioning pin (3) alignment holes (1) centering workpiece, make workpiece surface horizontal
It places；
4) using composite tyre centre bore as location dimension, caller is cut into irregularly-shaped hole, and all irregularly-shaped holes are cut successively by program
Into.
Using big special-shaped lightening hole in the method for the present invention, so as to ensure that output gear mitigates quality, the retarder longevity is improved
Life, patent of the present invention use rational technological process, realize product manufacturing, first, using the rational novel sheet loss of weight of craftsmanship
Type gear structure, second is that unified machining benchmark, processes graduation mark, for following process, third, to ensure that gear quality indexing is equal
It is even, using rational Methods of OFC-A, tooling and static balancing method.Fourth, being cracked to avoid being heat-treated when the flank of tooth quenches, increase
Add normalizing process before quenching.
Technical solution using the present invention has reached following technique effect：1st, the rational gear structure of craftsmanship realizes newly
The economical manufacture of type thin slice Weight reduced type output gear；2nd, it is concentric to improve novel sheet Weight reduced type output gear for rational technological datum
The accuracy of manufacture；3rd, the manufacture of lightening hole gas cutting is realized in rational Methods of OFC-A, tooling combination static balance, ensures the dividing equally property of circularity in hole
With balanced weight；4th, normalizing pretreatment avoids cracking during heat treatment flank of tooth quenching before quenching.
Description of the drawings
Attached drawing 1 is thin slice Weight reduced type gear traditional structure；
Thin slice Weight reduced type gear structure of the attached drawing 2 for the present invention；
The thin slice Weight reduced type gear gas cutting device that attached drawing 3 is used for the present invention.
Specific embodiment
A kind of manufacturing method of thin slice Weight reduced type gear, include the following steps：
1) the horizontal plane degree of gas cutting platform is adjusted by adjusting the adjusting bolt 5 on gas cutting assistance platform 4, by three-jaw card
Disk is attached by the positioning pin 3 being welded as a whole with gas cutting assistance platform 4 with gas cutting assistance platform 4, ensure positioning pin 3 with
The requirement of scroll chuck concentricity, is then loaded output gear endoporus, 3 top of positioning pin is drilled with hole, will cut with the anti-pawl of scroll chuck
Rifle 2 is inserted into centering workpiece centre in the hole；
2) it is that location dimension presses all irregularly-shaped holes of drawing Numerical Control Programming using workpiece centre, reserves process area as gas
Cut starting point, it is desirable that using composite tyre centre bore as location dimension, an irregularly-shaped hole center gas cutting goes out one and cuts hole in advance wherein；
3) according to hole surface verticality is cut in advance, by 3 alignment holes of positioning pin, 1 centering workpiece, make workpiece surface horizontal positioned；
4) using composite tyre centre bore as location dimension, caller is cut into irregularly-shaped hole, and all irregularly-shaped holes are cut successively by program
Into.
Embodiment 1：
1st, using the rational novel sheet Weight reduced type gear structure of craftsmanship, tooth root to lightening hole tip circle thickness >=30mm,
First, gas cutting, heat-treatment distortion are reduced, second is that duplicate removal from there during static balance, can ensure effective thickness；
2nd, unified machining benchmark, semifinishing processing concentric scale line with calibration circle centering during following process, avoid processing
Foozle, graduation mark requirement are as follows：
Groove line depth h requirements：0.5 ＜ h≤1, line width b≤1 ensure that graduation mark and endoporus are concentric, deviation≤
0.1, it is performed by graduation mark requirement, avoids scale heading line off after being removed less than oxide skin after standard value heat treatment quenching and tempering；More than mark
Then flank of tooth quenching is also easy to produce crackle to quasi- value at graduation mark.
3rd, using rational Methods of OFC-A, tooling, ensure that the indexing of support force part is uniform.
1) tooling：Gas cutting tooling fixture including scroll chuck, is loaded output gear endoporus with anti-pawl, with adjusting spiral shell
The gas cutting assistance platform 4 of bolt 5, scroll chuck assist putting down by the positioning pin 3 being welded as a whole with gas cutting assistance platform 4 with gas cutting
Platform 4 connects, and 3 top of positioning pin is drilled with 14 holes of Φ, for burning torch 2 to be inserted into centering workpiece centre in alignment holes 1 during gas cutting；
2) it programs：All irregularly-shaped holes are programmed by drawing using workpiece centre as location dimension, process area is reserved and is risen as gas cutting
Point, it is desirable that using composite tyre centre bore as location dimension, the pre- of irregularly-shaped hole center gas cutting one 80 × 80 cuts hole wherein；
3) centering：According to hole surface verticality is cut in advance, by 3 alignment holes of positioning pin, 1 centering workpiece, make workpiece surface horizontal
It places；
4) gas cutting：Using composite tyre centre bore as location dimension, caller is cut into irregularly-shaped hole, all irregularly-shaped holes by program according to
It is secondary to be cut into.
4th, using static balance process, ensure that lightening hole indexing is uniform, mass centre and endoporus center on one point on, as required
The unbalanced moments allowable of static balance is 0.19Nm, uneven weight is allowed to be not more than close to root position on muscle in annular groove
77.5g；
5th, it is adopted as avoiding cracking during heat treatment flank of tooth quenching, increases normalizing process before quenching.Crystalline substance is made by normalizing
Grain refinement and distribution of carbides are uniform, to improve quenching quality, avoid cracking.
Patent of the present invention the technical solution adopted is that：1st, using the rational novel sheet Weight reduced type gear structure of craftsmanship,
At thin-walled >=30mm, gas cutting, heat-treatment distortion are reduced, while ensure static balance duplicate removal；2nd, unified machining benchmark, roughing processing
Concentric scale line, and provide graduation mark standard value with calibration circle centering during following process, avoids processing and manufacturing error.3rd, it uses
Rational Methods of OFC-A, tooling in combination with static balance, ensure that the indexing of support force part is uniform；4th, it is adopted as avoiding hot place
It is cracked during reason flank of tooth quenching, increases normalizing process before quenching.
Claims (1)
1. a kind of manufacturing method of thin slice Weight reduced type gear, which is characterized in that include the following steps：
1) the horizontal plane degree of gas cutting platform is adjusted by adjusting the adjusting bolt (5) on gas cutting assistance platform (4), by three-jaw card
Disk is attached by the positioning pin (3) being welded as a whole with gas cutting assistance platform (4) with gas cutting assistance platform (4), and it is fixed to ensure
Then position pin (3) and scroll chuck concentricity requirement is loaded output gear endoporus with the anti-pawl of scroll chuck, positioning pin (3) top
Hole is drilled with, burning torch (2) is inserted into centering workpiece centre in the hole；
2) all irregularly-shaped holes are programmed by drawing using workpiece centre as location dimension, reserves process area as gas cutting starting point, it is desirable that with
Composite tyre centre bore is location dimension, and an irregularly-shaped hole center gas cutting goes out one and cuts hole in advance wherein；
3) according to hole surface verticality is cut in advance, by positioning pin (3) alignment holes (1) centering workpiece, make workpiece surface horizontal positioned；
4) using composite tyre centre bore as location dimension, caller is cut into irregularly-shaped hole, and all irregularly-shaped holes are cut into successively by program.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276102.6A CN108145395A (en) | 2017-12-06 | 2017-12-06 | A kind of manufacturing method of thin slice Weight reduced type gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711276102.6A CN108145395A (en) | 2017-12-06 | 2017-12-06 | A kind of manufacturing method of thin slice Weight reduced type gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108145395A true CN108145395A (en) | 2018-06-12 |
Family
ID=62466004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711276102.6A Pending CN108145395A (en) | 2017-12-06 | 2017-12-06 | A kind of manufacturing method of thin slice Weight reduced type gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108145395A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60240373A (en) * | 1984-05-16 | 1985-11-29 | Hitachi Ltd | Automatic inside cutter |
| CN2526506Y (en) * | 2002-03-15 | 2002-12-18 | 宁波东睦新材料股份有限公司 | Camshaft timing gear |
| CN101279417A (en) * | 2008-05-15 | 2008-10-08 | 宁夏天地奔牛实业集团有限公司 | Method for manufacturing heavy type mining gipsy sheave |
| CN201380349Y (en) * | 2009-01-06 | 2010-01-13 | 常州机电职业技术学院 | Automatic flame cutting machine used for processing circular hole of workpiece |
| CN201739465U (en) * | 2010-06-23 | 2011-02-09 | 十堰鑫楷模锻造有限公司 | Speed-changing box gear with weight-reducing hole |
| CN102146818A (en) * | 2011-03-22 | 2011-08-10 | 奇瑞汽车股份有限公司 | Installation structure for cam shaft and timing gear |
| CN102922080A (en) * | 2012-11-05 | 2013-02-13 | 宁夏天地奔牛实业集团有限公司 | Gas cutting method for mine triple sprocket and tooling fixture for gas cutting method |
| CN202812057U (en) * | 2012-07-19 | 2013-03-20 | 富莱茵汽车部件有限公司 | Gear of injection pump |
| CN202971817U (en) * | 2012-11-20 | 2013-06-05 | 佛山市南海凯洋粉末冶金有限公司 | Powder metallurgy bevel gear |
| WO2015157425A1 (en) * | 2014-04-11 | 2015-10-15 | Fluid Injector Associates, Trustee For Fime Crt Trust | Fluid injector to metal enclosure |
| CN205534118U (en) * | 2016-04-26 | 2016-08-31 | 湖北辉煌机械制造有限责任公司 | Disc gear structure |
-
2017
- 2017-12-06 CN CN201711276102.6A patent/CN108145395A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60240373A (en) * | 1984-05-16 | 1985-11-29 | Hitachi Ltd | Automatic inside cutter |
| CN2526506Y (en) * | 2002-03-15 | 2002-12-18 | 宁波东睦新材料股份有限公司 | Camshaft timing gear |
| CN101279417A (en) * | 2008-05-15 | 2008-10-08 | 宁夏天地奔牛实业集团有限公司 | Method for manufacturing heavy type mining gipsy sheave |
| CN201380349Y (en) * | 2009-01-06 | 2010-01-13 | 常州机电职业技术学院 | Automatic flame cutting machine used for processing circular hole of workpiece |
| CN201739465U (en) * | 2010-06-23 | 2011-02-09 | 十堰鑫楷模锻造有限公司 | Speed-changing box gear with weight-reducing hole |
| CN102146818A (en) * | 2011-03-22 | 2011-08-10 | 奇瑞汽车股份有限公司 | Installation structure for cam shaft and timing gear |
| CN202812057U (en) * | 2012-07-19 | 2013-03-20 | 富莱茵汽车部件有限公司 | Gear of injection pump |
| CN102922080A (en) * | 2012-11-05 | 2013-02-13 | 宁夏天地奔牛实业集团有限公司 | Gas cutting method for mine triple sprocket and tooling fixture for gas cutting method |
| CN202971817U (en) * | 2012-11-20 | 2013-06-05 | 佛山市南海凯洋粉末冶金有限公司 | Powder metallurgy bevel gear |
| WO2015157425A1 (en) * | 2014-04-11 | 2015-10-15 | Fluid Injector Associates, Trustee For Fime Crt Trust | Fluid injector to metal enclosure |
| CN205534118U (en) * | 2016-04-26 | 2016-08-31 | 湖北辉煌机械制造有限责任公司 | Disc gear structure |
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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: 20180612 |
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| RJ01 | Rejection of invention patent application after publication |