CN109128730B - Machining process of eccentric swinging type gear planet carrier assembly - Google Patents

Machining process of eccentric swinging type gear planet carrier assembly Download PDF

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Publication number
CN109128730B
CN109128730B CN201710498701.6A CN201710498701A CN109128730B CN 109128730 B CN109128730 B CN 109128730B CN 201710498701 A CN201710498701 A CN 201710498701A CN 109128730 B CN109128730 B CN 109128730B
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planet carrier
hole
bearing
plane
machining
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CN109128730A (en
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刘军
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Guomao precision transmission (Changzhou) Co.,Ltd.
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Anhui Julong Robot Decelerator Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/14Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels

Abstract

A process of machining an eccentrically oscillating gear carrier assembly, the process comprising: the first step is as follows: roughly processing an input planet carrier and an output planet carrier respectively; the second step is that: taking the oil seal position plane of the output planet carrier as a reference surface, and clamping and fixing the input planet carrier and the output planet carrier; the third step: processing a taper pin hole; the fourth step: processing a second center hole of the input planet carrier, a first center hole of the output planet carrier, a second bearing hole of the input planet carrier and a first bearing hole of the output planet carrier; the fifth step: turning around and inputting a second plane of the planet carrier as a reference, and centering an excircle; and a sixth step: finely machining a central step hole, a threaded hole and a first plane of the output planet carrier; the seventh step: and processing a first bearing hole and a second bearing hole of the planet carrier group and an oil seal position. According to the invention, the position degree of the pin hole, the concentricity of the bearing position, the parallelism of the bearing position, the precision of the bearing position and the end face precision of the planet carrier are improved, and the assembly precision is ensured.

Description

Machining process of eccentric swinging type gear planet carrier assembly
Technical Field
The invention belongs to the field of gear reducers, and particularly belongs to the field of eccentric swinging gears.
Background
In the prior art, the planet carrier assembly applied to the eccentric swinging gear has two input planet carriers and two output planet carriers, the two planet carriers are required to be matched for use, the position degree of a pin hole, the concentricity of a bearing hole, the parallelism of the bearing hole, the precision of the bearing hole and the end face precision of the planet carrier are all highly required, if the input planet carrier and the output planet carrier are separately processed, the actual installation requirement is difficult to guarantee, even if three-coordinate detection is adopted, the ideal requirement can not be still met by borrowing positive processing through a detection result.
The invention is provided in view of the above.
Disclosure of Invention
The invention aims to provide a machining process of an eccentric swinging type gear planet carrier assembly.
The present invention is realized in the following manner.
A process of machining an eccentrically oscillating gear carrier assembly, the process comprising:
the first step is as follows: roughly processing an input planet carrier and an output planet carrier respectively;
the second step is that: taking the oil seal position plane of the output planet carrier as a reference surface, and clamping and fixing the input planet carrier and the output planet carrier;
the third step: processing a taper pin hole;
the fourth step: processing a second center hole of the input planet carrier, a first center hole of the output planet carrier, a second bearing hole of the input planet carrier and a first bearing hole of the output planet carrier;
the fifth step: turning around the second plane of the input planet carrier to serve as a reference, centering the excircle, pressing a plate by steps, and fixing the output planet carrier and the input planet carrier;
and a sixth step: finely machining a central step hole, a threaded hole and a first plane of the output planet carrier;
the seventh step: and processing a first bearing hole and a second bearing hole of the planet carrier group and an oil seal position.
Further, the rough machining of the first step input planet carrier comprises rough machining of a second plane, a second bearing position, a second boss end face and a second bearing hole of the input planet carrier.
The rough machining of the first step output planet carrier comprises the following steps: and roughly machining the first boss end face, the first bearing position, the oil seal position and the screw hole of the output planet carrier and further tapping the screw hole.
The second step comprises the following specific steps: the first plane of the oil seal position of the output planet carrier is used as a reference surface, the oil seal position is centered, the step pressing plate is used for placing the input planet carrier, the center pressing plate is used for processing the threaded hole of the input planet carrier through the corresponding positioning of the first bearing hole and the second bearing hole, the inner hexagon screw is screwed, the center pressing plate is loosened, and the input planet carrier and the output planet carrier are fixed.
And the third step of machining the taper pin hole further comprises roughly milling a second plane input into the planet carrier before machining the taper pin hole.
And processing the taper pin hole by using a taper reamer in the third step, wherein the tail part of the taper pin is lower than the plane.
Furthermore, before a second center hole of the input planet carrier, a first center hole of the output planet carrier, a second bearing hole of the input planet carrier and a first bearing hole of the output planet carrier are machined, an internal thread taper pin is pressed in to fix the input planet carrier and the output planet carrier.
The sixth step comprises the following specific steps: roughly milling a first plane; roughly boring a central step hole; finely boring a central step hole; processing a bottom hole; and finely milling the first plane.
According to the invention, the input planet carrier and the output planet carrier are roughly machined, then the input planet carrier and the output type carrier are clamped together, the input planet carrier and the output planet carrier are further fixed together through the internal thread taper pin, the bearing position is finely machined, and meanwhile, the end faces of the assembled planet carrier assemblies are machined, so that the position degree of a pin hole, the concentricity of the bearing position, the parallelism of the bearing position, the precision of the bearing position and the precision of the end faces of the planet carrier are improved, and the assembly precision is ensured.
Drawings
FIG. 1 is a front view of an input carrier of an eccentrically swinging gear carrier assembly of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a front elevational view of the output planet carrier of the eccentric pendulum type gear carrier assembly of the present invention;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
FIG. 5 is an assembly view of the eccentric swinging gear carrier assembly of the present invention;
FIG. 6 is a left side view of the output planet carrier of the eccentric pendulum type gear carrier assembly of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 5 at I;
FIG. 8 is a process for manufacturing the output planet carrier of the present invention;
FIG. 9 is a process of machining the input planet carrier of the present invention;
FIG. 10 illustrates a process for manufacturing the planet carrier assembly member of the present invention.
For better understanding of the present invention, reference numerals of components of the eccentrically swinging type gear carrier according to the present invention are given below, wherein the output carrier 1, the input carrier 2, the first plane 11, the oil seal position 12, the connecting column 13, the first bearing position 14, the first center hole 15, the stepped hole 16, the first bearing hole 17, the first boss end surface 18, the screw hole 110, the bottom hole 111, the hole 112, the second bearing position 21, the stepped outer circle 22, the second plane 23, the second center hole 24, the stepped surface 25, the second bearing hole 26, the through hole 27, the taper pin hole 28, and the second boss end surface 29.
Detailed Description
Example 1
An eccentric pendulum gear carrier assembly, the eccentric pendulum gear comprising a gear assembly, the gear assembly comprising: the gear comprises a crankshaft, an eccentric rotating gear, a rotation gear and a planet carrier. The crankshaft has an eccentric body and an input gear. The eccentric rotation gear is engaged with the eccentric body and eccentrically rotates in accordance with rotation of the crankshaft. The rotation gear is engaged with the eccentric gear and has a tooth number different from that of the eccentric rotation gear. The rotation gear rotates with respect to the eccentric rotation gear. The carrier supports the crankshaft. In this gear device, as the external gear oscillates and rotates, the carrier coaxially supported on the internal gear rotates. A bearing is supported on the carrier and the crankshaft supports the outer gear. An eccentric body is fixed to the crankshaft, and the eccentric body is engaged with an axial through hole provided in the external gear. As the eccentric body rotates, the external gear rotates while being oscillated while meshing with the internal gear. The crankshaft has a first shaft portion extending from the eccentric body to one side in the rotation axis direction and a second shaft portion extending from the eccentric body to the other side in the rotation axis direction. In the gear device, the first cylindrical roller bearing is disposed between the first shaft portion and the support member. The second cylindrical roller bearing is disposed between the second shaft portion and the support member. The third cylindrical roller bearing is arranged between the sub eccentric body and the eccentric rotating gear. The input gear is fixed to the second shaft portion on the opposite side of the eccentric body with respect to the second cylindrical roller bearing. In addition, in the gear transmission device, the first restriction member is mounted between the first cylindrical roller bearing and the third cylindrical roller bearing. The second restriction member is installed between the second cylindrical roller bearing and the third cylindrical roller bearing. The third restricting member is attached to the first shaft portion on a side opposite to the first restricting member with respect to the first cylindrical roller bearing. The fourth restricting member is attached to the second shaft portion on a side opposite to the second restricting member with respect to the second cylindrical roller bearing.
The planet carrier assembly comprises an input planet carrier 2 and an output planet carrier 1, the output planet carrier 1 is provided with a connection 13, a connection column 13 is provided with a screw hole 110 and a taper pin hole 28, and the output planet carrier 1 is connected with the input planet carrier through taper pin positioning and bolt connection. During processing, firstly, the input planet carrier 2 and the output planet carrier 1 are respectively roughly processed, specifically, a second bearing position 21, a step surface 25 and a second bearing hole 26 are respectively roughly processed on the input planet carrier 2; the output planet carrier 1 is roughly processed with a boss, a first central hole 15, a first bearing hole 17 and a screw hole 10 for tapping.
Then the input planet carrier 2 and the output planet carrier 1 are put on the same tool on the basis of the above steps, and the whole process is carried out. The specific processing technology comprises the following steps:
the rough machining process for the input planet carrier comprises the following steps:
s201: clamping a blank of the input planet carrier 2 through a three-jaw clamping second bearing position 21;
s202: roughly turning an excircle 22 of a step and a second plane 23 to remove a surface layer;
s203: loosening the three claws, and re-clamping the input planet carrier 2 by the three-claw clamping step excircle 22;
s204: roughly turning a second bearing position 21 and a second boss end face 29, and reserving allowance;
s205: loosening the three claws, and re-clamping the input planet carrier 2 through the three-claw clamping second bearing position 21;
s206: semi-finish machining of a step excircle 22, rough machining of a second plane 23, allowance reservation, total length allowance, and rough machining of an inner hole 24;
s207: centering through the step excircle 22 by taking the second plane 23 as a reference plane, and pressing a plate by the step surface 25;
s208: roughly milling a second boss end face 29, and reserving allowance;
s209: drilling a second bearing hole 26 and a through hole 27;
s2010: roughly boring the second bearing hole 26;
s2011: chamfering the second bearing position 21 and the through hole 27 respectively;
s2012: the second boss end face 29 is finish milled.
And finishing rough machining of the input planet carrier.
The rough machining process of the output planet carrier comprises the following steps:
s101: clamping the output planet carrier 1 by clamping a blank of the output planet carrier 1 through a first bearing position 14 (if the length of a clamp is not enough, a connecting column 13 can also be clamped) by three claws;
s102: turning an oil seal position 12, removing a first plane 11 and removing a surface layer;
s103: loosening the three claws, and clamping the oil seal position 12 by the three claws;
s104: turning the connecting column 13 to remove the surface layer, turning the first boss end surface 18, and turning the first bearing position 14;
s105: loosening the three claws, and clamping the first bearing position 14 through the three claws (the connecting column 13 can be clamped if the clamp length is not enough in the same S101);
s106: turning an oil seal position 12, turning a first plane 11 to leave a total length allowance, turning a first center hole 15, and turning a stepped hole 16;
s107: centering the oil seal position 12 by taking the first plane 11 of the oil seal as a reference plane, and pressing a plate by a step 19;
s108: milling the end surface 18 of the first boss to leave a margin;
s109: drilling a first bearing hole 17 and a screw hole 110;
s1010: roughly boring a first bearing hole 17;
s1011: chamfering the screw hole 110 and the first bearing hole 17;
s1012: tapping the screw hole 110;
s1013: the first boss end face 18 is finish milled.
And finishing rough machining of the output planet carrier.
The planet carrier assembly processing technology for combining the roughly processed input planet carrier and the roughly processed output planet carrier comprises the following steps:
s301: putting the output planet carrier 1 on a tooling table, centering an oil seal position 12 by taking an oil seal position first plane 11 of the output planet carrier 1 as a reference surface, and pressing a plate by a step 19; the input planet carrier 2 is concentrically placed above the output planet carrier 1 and correspondingly positioned through a first bearing hole 17 and a second bearing hole 26, and a central pressure plate is pressed;
s302: counterboring the through hole 27 of the input carrier 2;
s303: chamfering is carried out on the counter bore of the through hole 27 processed in the step S302;
s304: the inner hexagon screw enters the screw hole 110 through the through hole 27 and is screwed tightly, and the central pressing plate is loosened;
s305: roughly milling a second plane 23, and reserving allowance;
s306: a taper pin hole 28;
s307: machining a taper pin hole 28 by using a taper reamer, wherein the tail part of the taper pin is lower than a plane;
s308: chamfering the taper pin hole 28, the second bearing hole 26 and the second center hole 24 of the input carrier 2;
s309: pressing the internal thread taper pin into the taper pin hole;
s3010: finely boring the second center hole 24 of the input carrier 2 and the first center hole 15 of the output carrier 1;
s3011: semi-finish boring the second bearing hole 26 of the input carrier 2 and the first bearing hole 17 of the output carrier 1;
s3012: turning around, taking the step surface 23 of the input planet carrier as a reference, centering the excircle, and pressing a plate by the step;
s3013: roughly milling a first plane 11 of the output planet carrier 1, and reserving allowance;
s3014: roughly boring a central stepped hole 16 of the output planet carrier 1;
s3015: finely boring a central stepped hole 16 of the output planet carrier 1;
s3016: drilling a bottom hole 111 of the output planet carrier 1;
s3017: chamfering the bottom hole 111 of the output planet carrier 1;
s3018: tapping a bottom hole 111 of the output planet carrier 1;
s3019: milling the hole 112;
s3020: finish milling a first plane 11;
s3021: a planet carrier assembly consisting of an output planet carrier 1 and an input planet carrier 2 is arranged in a mandrel, and two ends of the mandrel are pointed;
s3022: machining a bearing position, an oil seal position and a plane of the planet carrier assembly with allowance, machining a grinding wheel overrun groove, machining a chamfer and chamfering;
s3023: loosening the center of the planet carrier assembly from the lathe, moving the planet carrier assembly to a grinding machine, and performing center positioning on two ends of the mandrel;
s3024: accurately grinding the oil seal position, the bearing position and the plane;
s3025: taking the first plane 11 of the output planet carrier oil seal position as a reference plane, centering the center and pressing a plate by a step;
s3026: processing a bearing position clamping ring groove;
s3027: the first bearing bore 17 and the second bearing bore 26 of the planet carrier assembly member are finish bored.
Example 2
Otherwise, the difference from embodiment 1 is that all the processes after S3012 are processed in the same processing center, and the clamping is not performed by multi-step repositioning, and in this case, the finish grinding of the oil seal position and the bearing position in S3024 does not require a finish grinding plane, so the clamping and positioning processes in S3021, S3023 and S3025 are eliminated.
Through the steps, the machining process of the planet carrier assembly is completed.
It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (6)

1. A machining process of an eccentric swinging type gear planet carrier assembly is characterized in that: the processing technology comprises the following steps:
the first step is as follows: the method comprises the following steps of respectively roughly machining an input planet carrier (2) and an output planet carrier (1), wherein the roughly machining input planet carrier (2) at least comprises roughly turning a second bearing position (21), drilling a second bearing hole (26), drilling a through hole (27) and finely milling a second boss end face (29), and the roughly machining output planet carrier (1) at least comprises turning a first bearing position (14), drilling a first bearing hole (17), drilling a screw hole (110), tapping the screw hole (110) and finely milling a first boss end face (18);
the second step is that: the output planet carrier (1) oil seal bit plane is used as a reference surface, the input planet carrier (2) and the output planet carrier (1) are clamped and fixed, and the method specifically comprises the following steps: taking an oil seal position first plane (11) of an output planet carrier (1) as a reference surface, centering through an oil seal position (12), pressing a plate by a step (19), then placing the input planet carrier (2), correspondingly positioning through a first bearing hole (17) and a second bearing hole (26), processing a counter bore of a through hole (27) of the input planet carrier (2) by a center pressing plate, chamfering the processed counter bore, then screwing a hexagon socket head cap screw, loosening the center pressing plate, and fixing the input planet carrier (2) and the output planet carrier (1);
the third step: machining a taper pin hole (28), and pressing an internal thread taper pin to fix the input planet carrier (2) and the output planet carrier (1);
the fourth step: processing a second center hole (24) of the input planet carrier (2), a first center hole (15) of the output planet carrier (1), a second bearing hole (26) of the input planet carrier (2) and a first bearing hole (17) of the output planet carrier (1);
the fifth step: turning around the second plane (23) of the input planet carrier (2) to serve as a reference, centering the excircle, and fixing the output planet carrier (1) and the input planet carrier (2) by a step pressing plate;
and a sixth step: finely machining a central step hole (16), a threaded hole and a first plane (11) of the output planet carrier (1);
the seventh step: and processing a bearing position, a first bearing hole (17), a second bearing hole (26) and an oil seal position (12) of the planet carrier set.
2. The eccentric oscillating pinion carrier assembly process of claim 1 wherein: the first step of the roughing of the input planet carrier (2) comprises roughing the second plane (23) of the input planet carrier (2).
3. The eccentric oscillating pinion carrier assembly process of claim 1 wherein: the first step of rough machining of the output planet carrier (1) comprises the following steps: and roughly machining an oil seal position (12) of the output planet carrier (1).
4. The eccentric oscillating pinion carrier assembly process of claim 1 wherein: and in the third step, before the conical pin hole (28) is machined, the second plane (23) of the input planet carrier (2) is roughly milled.
5. The eccentric oscillating pinion carrier assembly process of claim 1 wherein: and machining the taper pin hole (28) in the third step, machining the taper pin hole (28) by using a taper reamer, wherein the tail part of the taper pin is lower than the plane.
6. The eccentric oscillating pinion carrier assembly process of claim 1 wherein: the sixth step comprises the following specific steps: roughly milling a first plane (11); roughly boring a central stepped hole (16); finely boring a central stepped hole (16); machining a bottom hole (111); the first plane (11) is finish-milled.
CN201710498701.6A 2017-06-27 2017-06-27 Machining process of eccentric swinging type gear planet carrier assembly Active CN109128730B (en)

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Publication number Priority date Publication date Assignee Title
CN113102952B (en) * 2021-04-20 2022-07-15 四川易尚天交实业有限公司 Machining tool and machining method for toothed adjusting sleeve assembly

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Publication number Priority date Publication date Assignee Title
US6033333A (en) * 1995-07-03 2000-03-07 Teijin Seiki Co., Ltd. Eccentric orbiting type planetary gear device
CN101782144A (en) * 2010-03-24 2010-07-21 盛瑞传动股份有限公司 Planet carrier and processing technology thereof
CN102107348A (en) * 2009-12-29 2011-06-29 鞠小平 Method for processing planet carrier of heavy truck
CN103394884A (en) * 2013-08-20 2013-11-20 潍坊帅克机械有限责任公司 Integrated machining method of planet carrier of robot RV reducer
CN103506816A (en) * 2013-09-16 2014-01-15 常熟天地煤机装备有限公司 Processing technique of planet carrier of coal cutter
CN104148909A (en) * 2014-07-03 2014-11-19 宁夏天地奔牛实业集团有限公司 Manufacturing method of installed and welded type planetary component
CN105328422A (en) * 2015-11-26 2016-02-17 宁波中大力德智能传动股份有限公司 Planetary gear carrier drilling process of planetary gear speed reducer
CN105422744A (en) * 2015-12-25 2016-03-23 重庆大学 Simple supporting mechanism provided with two discs and machining method of simple supporting mechanism

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6033333A (en) * 1995-07-03 2000-03-07 Teijin Seiki Co., Ltd. Eccentric orbiting type planetary gear device
CN102107348A (en) * 2009-12-29 2011-06-29 鞠小平 Method for processing planet carrier of heavy truck
CN101782144A (en) * 2010-03-24 2010-07-21 盛瑞传动股份有限公司 Planet carrier and processing technology thereof
CN103394884A (en) * 2013-08-20 2013-11-20 潍坊帅克机械有限责任公司 Integrated machining method of planet carrier of robot RV reducer
CN103506816A (en) * 2013-09-16 2014-01-15 常熟天地煤机装备有限公司 Processing technique of planet carrier of coal cutter
CN104148909A (en) * 2014-07-03 2014-11-19 宁夏天地奔牛实业集团有限公司 Manufacturing method of installed and welded type planetary component
CN105328422A (en) * 2015-11-26 2016-02-17 宁波中大力德智能传动股份有限公司 Planetary gear carrier drilling process of planetary gear speed reducer
CN105422744A (en) * 2015-12-25 2016-03-23 重庆大学 Simple supporting mechanism provided with two discs and machining method of simple supporting mechanism

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Effective date of registration: 20220119

Address after: 213164 Zone D, No. 98, LongQian Road, Wujin national high tech Industrial Development Zone, Changzhou City, Jiangsu Province

Patentee after: Guomao precision transmission (Changzhou) Co.,Ltd.

Address before: 242399 Ningyang West Road, Ningguo Economic and Technological Development Zone, Xuancheng City, Anhui Province

Patentee before: ANHUI JULONG ROBOT DECELERATOR Co.,Ltd.