CN110935805B - Riveting method for duplicate gear - Google Patents
Riveting method for duplicate gear Download PDFInfo
- Publication number
- CN110935805B CN110935805B CN201911149267.6A CN201911149267A CN110935805B CN 110935805 B CN110935805 B CN 110935805B CN 201911149267 A CN201911149267 A CN 201911149267A CN 110935805 B CN110935805 B CN 110935805B
- Authority
- CN
- China
- Prior art keywords
- gear
- central shaft
- lathe
- riveting
- rivet
- 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.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
Abstract
The invention provides a riveting method of a duplicate gear, which comprises the steps of providing a gear A, a gear B and a rivet turning head, wherein the gear A is fixedly connected onto a central shaft, the left end and the right end of the central shaft extend out of the left side and the right side of the gear A, a central through hole is formed in the central shaft, and the rivet turning head comprises a cylindrical guide post; one end of a central shaft is clamped on a lathe spindle, and then a gear B is fixedly sleeved on the other end of the central shaft; and starting the lathe to enable the lathe spindle to rotate, sleeving the guide post in the middle through hole in the rotating process of the lathe spindle, and extruding the middle through hole through the guide post to enable the gear B to be connected with the central shaft into a whole to obtain the duplicate gear. By adopting the technical scheme of the invention, the influence of vibration of a machine tool in the riveting process is reduced, the peripheries of the rivet-turning ribs generated by extrusion deformation on the edge of the central shaft are uniform, the rivet-turning ribs are firm and reliable, the four rotary inertia of the rivet-turning ribs is kept balanced, the use effect of the rivet-turning ribs is improved, and the transmission precision of a transmission mechanism is ensured.
Description
Technical Field
The invention belongs to the technical field of gears, and particularly relates to a riveting method of a duplicate gear.
Background
The gear is a common transmission part in mechanical equipment or devices, a duplicate gear is formed by riveting two gears in parallel, the duplicate gear is generally used in a speed change mechanism of the mechanical equipment or devices and used for transmitting different output force or output torque, the riveting quality of the duplicate gear has a decisive influence on the reliability of the running of the duplicate gear, in the prior art, when the two gears are riveted in parallel, the riveting is generally completed by a drilling machine, namely, one gear is communicated with a central shaft arranged on the gear and is fixed on a workbench of the drilling machine, the other gear and the central shaft are sleeved in parallel on the central shaft, a corresponding rivet-turning head is arranged on a main shaft of the drilling machine, the central shaft is extruded by the rotating motion and the feeding motion of the main shaft of the drilling machine, the two gears are connected in parallel by flanging the edge of the central shaft, however, because the rivet-turning head rotates along with the main shaft of the drilling, the drilling machine is low in accuracy, the main shaft vibrates greatly in the rotation process, the edge of the central shaft is easily damaged by the rivet head, the edge of the central shaft is uneven, a large number of burrs are generated, the trimming is difficult, and due to the uneven edge of the central shaft, the rotational inertia around the dual gear is unbalanced when the dual gear moves, so that the use effect of the dual gear and the accuracy of a transmission mechanism are affected.
Disclosure of Invention
In order to solve the technical problem, the invention provides a riveting method of a duplicate gear.
The invention is realized by the following technical scheme.
The invention provides a riveting method of a duplicate gear, which comprises the following steps:
the method comprises the following steps: providing a gear A, a gear B and a rivet turning head, wherein the gear A is fixedly connected onto a central shaft, the left end and the right end of the central shaft respectively extend out of the left side and the right side of the gear A, a middle through hole penetrating through the left end and the right end of the central shaft is formed in the central shaft, and the rivet turning head comprises a cylindrical guide post;
step two: firstly, clamping one end of the central shaft in the step one on a lathe spindle, and then fixedly sleeving the gear B in the step one on the other end of the central shaft;
step three: and starting the lathe to enable the lathe spindle to rotate, sleeving the guide post in the step one in the middle through hole in the rotating process of the lathe spindle, and extruding the middle through hole through the guide post to enable the gear B to be connected with the central shaft into a whole to obtain the duplicate gear.
The riveting head further comprises a shaping column coaxially connected with the guide column, the end face surrounding the periphery of the guide column on the shaping column forms a shaping working face, and the duplex gear riveting method further comprises the following steps:
and when the third step is carried out, enabling the shaping working surface to abut against the edge of the middle through hole, and enabling the edge of the middle through hole to be deformed into the rivet-turning rib matched with the shaping working surface through extrusion of the shaping working surface.
The shaping working surface is an arc-shaped surface which is concave towards the inside of the shaping column.
The riveting head further comprises a fixing column coaxially connected with the shaping column, and the duplex gear riveting method further comprises the following steps:
and in the second step, the turning riveting head is clamped on the lathe tailstock through the fixed column, and in the third step, the lathe tailstock is moved to enable the guide column to be sleeved in the middle through hole.
The riveting method of the duplicate gear further comprises the following steps:
and in the second step, when the gear B is fixedly sleeved on the central shaft, an adhesive is coated between the matching surfaces of the gear B and the central shaft, so that the gear B and the central shaft are bonded together.
The adhesive is a glue solution with the model of KD-504A.
The riveting method of the duplicate gear further comprises the following steps: and when the third step is carried out, enabling the rotating speed of the lathe spindle to be less than 400 r/min.
The material of the rivet head is high-speed steel with the trade name of W18Cr 4V.
The gear A is made of alloy steel with the grade of 2Cr13, and the surface hardness of the gear A is HRC 44-46 after quenching treatment.
The gear B is made of alloy steel with the grade of 2Cr13, and the surface hardness of the gear B is HRC 44-46 after quenching treatment.
The invention has the beneficial effects that: by adopting the technical scheme of the invention, the lathe is used for riveting the two gears into the duplicate gear, the precision of the lathe is higher, the vibration of the main shaft of the lathe is smaller when the main shaft runs, and the coaxiality of the main shaft and the lathe tailstock is high, so that the riveting head can uniformly generate extrusion acting force on the central shaft, the peripheries of the riveting ribs of the central shaft, which are generated by extrusion deformation, are uniform, the riveting tool is firm and reliable, the appearance is smooth, no crack is generated, a user does not need to polish or repair the riveting tool, the peripheral rotational inertia of the manufactured duplicate gear keeps balance when the double gear runs, the use effect of the double gear is favorably improved, and the transmission precision of a.
Drawings
FIG. 1 is a schematic structural view of a third step of the duplex gear riveting method of the present invention;
fig. 2 is a schematic structural diagram of the rivet head of the invention.
In the figure: 1-gear A, 2-gear B, 3-rivet turning head, 4-central shaft, 5-lathe, 31-guide column, 32-shaping column, 33-shaping working surface, 34-fixing column and 41-middle through hole.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 and 2, the invention provides a riveting method of a duplicate gear, which comprises the following steps:
the method comprises the following steps: providing a gear A1, a gear B2 and a rivet-turning head 3, wherein the gear A1 is fixedly connected to the central shaft 4, the left end and the right end of the central shaft 4 respectively extend out of the left side and the right side of the gear A1, a central through hole 41 penetrating through the left end and the right end of the central shaft 4 is formed in the central shaft 4, and the rivet-turning head 3 comprises a cylindrical guide column 31;
step two: firstly, clamping one end of a central shaft 4 in the first step on a main shaft of a lathe 5, and then fixedly sleeving a gear B2 in the first step on the other end of the central shaft 4;
step three: and (3) starting the lathe 5 to rotate the main shaft of the lathe 5, sleeving the guide post 31 in the step one into the middle through hole 41 in the process of rotating the main shaft of the lathe 5, and extruding the middle through hole 41 through the guide post 31 to connect the gear B2 and the central shaft 4 into a whole to obtain the duplicate gear.
Further, the rivet turning head 3 further comprises a shaping column 32 coaxially connected with the guide column 31, an end face of the shaping column 32 surrounding the periphery of the guide column 31 forms a shaping working face 33, and the duplex gear riveting method further comprises the following steps:
and in the third step, the shaping working surface 33 is abutted against the edge of the through hole 41, and the edge of the through hole 41 is deformed into a rivet overturning rib matched with the shaping working surface 33 through the extrusion of the shaping working surface 33. The shaping face 33 is preferably an arc-shaped face recessed toward the inside of the shaping post 32.
In addition, the rivet-turning head 3 further comprises a fixing column 34 coaxially connected with the shaping column 32, and the duplex gear riveting method further comprises the following steps:
in the second step, the rivet head 3 is clamped to the tailstock of the lathe 5 by the fixed post 34, and in the third step, the guide post 31 is fitted into the through hole 41 by moving the tailstock of the lathe 5.
In addition, the double gear riveting method further comprises the following steps:
when the gear B2 is fixedly sleeved on the central shaft 4 in the second step, adhesive is coated between the matching surfaces of the gear B2 and the central shaft 4 so that the gear B2 is bonded with the central shaft 4. Further, the adhesive is preferably a glue solution with the model of KD-504A.
Further, the double gear riveting method further comprises the following steps: and in the third step, the rotating speed of the main shaft of the lathe 5 is less than 400 r/min. When the main shaft of the lathe 5 runs at a low speed, the vibration is smaller, and the riveting quality of the duplicate gear is improved.
The material of the clincher head 3 is preferably high-speed steel with a designation W18Cr 4V. The gear A1 is made of alloy steel with the grade of 2Cr13, and the surface hardness of the gear A1 is HRC 44-46 after quenching treatment. The gear B2 is made of alloy steel with the grade of 2Cr13, and the surface hardness of the gear B2 is HRC 44-46 after quenching treatment.
By adopting the technical scheme of the invention, the lathe is used for riveting the two gears into the duplicate gear, the precision of the lathe is higher, the vibration of the main shaft of the lathe is smaller when the main shaft runs, and the coaxiality of the main shaft and the lathe tailstock is high, so that the riveting head can uniformly generate extrusion acting force on the central shaft, the peripheries of the riveting ribs of the central shaft, which are generated by extrusion deformation, are uniform, the riveting tool is firm and reliable, the appearance is smooth, no crack is generated, a user does not need to polish or repair the riveting tool, the peripheral rotational inertia of the manufactured duplicate gear keeps balance when the double gear runs, the use effect of the double gear is favorably improved, and the transmission precision of a.
Claims (9)
1. A riveting method of a duplicate gear is characterized in that: the method comprises the following steps:
the method comprises the following steps: providing a gear A (1), a gear B (2) and a rivet turning head (3), wherein the gear A (1) is fixedly connected onto a central shaft (4), the left end and the right end of the central shaft (4) respectively extend out of the left side and the right side of the gear A (1), a central through hole (41) penetrating through the left end and the right end of the central shaft (4) is formed in the central shaft (4), and the rivet turning head (3) comprises a guide column (31) in a cylindrical shape;
step two: one end of the central shaft (4) in the first step is clamped on a main shaft of a lathe (5), and then the gear B (2) in the first step is fixedly sleeved on the other end of the central shaft (4);
step three: starting a lathe (5), enabling a main shaft of the lathe (5) to rotate, sleeving the guide post (31) in the step one into the middle through hole (41) in the process that the main shaft of the lathe (5) rotates, and extruding the middle through hole (41) through the guide post (31) to enable the gear B (2) and the central shaft (4) to be connected into a whole, so that a duplicate gear is obtained;
the riveting method of the duplicate gear further comprises the following steps:
and in the second step, when the gear B (2) is fixedly sleeved on the central shaft (4), an adhesive is coated between matching surfaces of the gear B (2) and the central shaft (4) so that the gear B (2) and the central shaft (4) are bonded together.
2. A duplex gear caulking method according to claim 1, wherein: the riveting head (3) further comprises a shaping column (32) coaxially connected with the guide column (31), the end surface of the shaping column (32) surrounding the periphery of the guide column (31) forms a shaping working surface (33), and the double gear riveting method further comprises the following steps:
and when the third step is carried out, the shaping working surface (33) abuts against the edge of the middle through hole (41), and the edge of the middle through hole (41) is deformed into a rivet flanging rib matched with the shaping working surface (33) through the extrusion of the shaping working surface (33).
3. A duplex gear caulking method according to claim 2, wherein: the shaping working surface (33) is an arc-shaped surface which is concave towards the inside of the shaping column (32).
4. A duplex gear caulking method according to claim 2, wherein: the riveting head (3) further comprises a fixing column (34) coaxially connected with the shaping column (32), and the duplex gear riveting method further comprises the following steps:
and in the second step, the turning riveting head (3) is clamped on a tailstock of a lathe (5) through a fixed column (34), and in the third step, the tailstock of the lathe (5) is moved to enable the guide column (31) to be sleeved in the middle through hole (41).
5. A duplex gear caulking method according to claim 1, wherein: the adhesive is a glue solution with the model of KD-504A.
6. A duplex gear caulking method according to claim 1, wherein: the riveting method of the duplicate gear further comprises the following steps: and when the third step is carried out, the rotating speed of the main shaft of the lathe (5) is less than 400 r/min.
7. A duplex gear caulking method according to claim 1, wherein: the material of the rivet turning head (3) is high-speed steel with the brand number of W18Cr 4V.
8. A duplex gear caulking method according to claim 1, wherein: the gear A (1) is made of alloy steel with the grade of 2Cr13, and the surface hardness of the gear A is HRC 44-46 after quenching treatment.
9. A duplex gear caulking method according to claim 1, wherein: the gear B (2) is made of alloy steel with the grade of 2Cr13, and the surface hardness of the gear B (2) is HRC 44-46 after quenching treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149267.6A CN110935805B (en) | 2019-11-21 | 2019-11-21 | Riveting method for duplicate gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911149267.6A CN110935805B (en) | 2019-11-21 | 2019-11-21 | Riveting method for duplicate gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110935805A CN110935805A (en) | 2020-03-31 |
| CN110935805B true CN110935805B (en) | 2021-05-18 |
Family
ID=69907340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911149267.6A Active CN110935805B (en) | 2019-11-21 | 2019-11-21 | Riveting method for duplicate gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110935805B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774585B (en) * | 2020-07-29 | 2022-10-18 | 贵州航天精工制造有限公司 | Manufacturing method and cutter for tubular hemming part |
| CN114273548B (en) * | 2021-12-28 | 2023-09-08 | 安庆汇通汽车部件股份有限公司 | Stabilizer bar flanging device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB276582A (en) * | 1927-03-24 | 1927-09-01 | Babcock & Wilcox Co | Method of fastening tubular metal bodies in holes of other metal bodies |
| CN102825123B (en) * | 2011-06-13 | 2015-07-08 | 贵州航天精工制造有限公司 | Hemming method and device for tubular rivet |
| CN202963926U (en) * | 2012-12-04 | 2013-06-05 | 西安庆安电气控制有限责任公司 | Bearing rolling and shell nosing device for lathe |
| CN204159812U (en) * | 2014-10-20 | 2015-02-18 | 南阳北方红宇机电制造有限公司 | For the device of submunition fuze stabilized zone riveted joint |
| CN207093146U (en) * | 2017-09-05 | 2018-03-13 | 湖南湘通和风机电设备有限公司 | A kind of impeller sleeve riveting set |
| CN207655757U (en) * | 2017-12-21 | 2018-07-27 | 湖南敏锐科技有限公司 | A kind of riveting set |
-
2019
- 2019-11-21 CN CN201911149267.6A patent/CN110935805B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110935805A (en) | 2020-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110935805B (en) | Riveting method for duplicate gear | |
| US20170209940A1 (en) | Lathe Chuck for Aluminum Alloy Hubs | |
| CN203695976U (en) | Double-tip mechanism with driving capability for lathe | |
| CN1997526A (en) | Device for clamping in centred position parts to be subjected to machining and machine tool comprising said device | |
| CN105817652A (en) | Ultrasonic electric spindle with automatic tool changing function | |
| CN202192459U (en) | Workpiece clamping system of numerical-control machine tool | |
| CN109128948A (en) | A kind of car engine balance shaft production fixture | |
| CN104384531A (en) | Post-tensioning chuck device | |
| KR20150087451A (en) | The harmonic reduction for flexible spline and its manufacturing apparatus | |
| JP7440216B2 (en) | Finish grinding method for gears | |
| CN102562777B (en) | Method for machining universal joint bearing | |
| CN110576300A (en) | Preparation process of miniature duplicate gear and positioning clamp for pressing | |
| CN205673622U (en) | A kind of anti-countersink structure | |
| CN210649694U (en) | High-precision turning auxiliary jig | |
| CN210968552U (en) | Automobile wheel hub processing frock convenient to reduce and rock | |
| CN105449926B (en) | A kind of servomotor of pass structure | |
| CN114260738A (en) | High-precision thin-wall type half-coupling turning tool and method | |
| CN110052664B (en) | Equipment for processing harmonic reducer flexible gear | |
| CN209986525U (en) | A ring cutting, milling flutes, screw thread processingequipment for steel pipe periphery | |
| CN102166719B (en) | Clamp and process for machining welding yoke of automobile | |
| CN219746339U (en) | Novel drive center | |
| CN103104588B (en) | A kind of hollow shaft for garden instrument and processing method thereof | |
| CN104227072B (en) | Device for drilling horizontal hole and machining method | |
| CN217619103U (en) | Precise shaft core turning equipment | |
| CN204724858U (en) | Rough turn and the finish turning equipment of outside piston |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Double gear riveting method Effective date of registration: 20211125 Granted publication date: 20210518 Pledgee: China Construction Bank Corporation Guiyang Huaxi sub branch Pledgor: GUIZHOU HUAFENG ELECTRICAL APPLIANCES Co.,Ltd. Registration number: Y2021520000019 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221206 Granted publication date: 20210518 Pledgee: China Construction Bank Corporation Guiyang Huaxi sub branch Pledgor: GUIZHOU HUAFENG ELECTRICAL APPLIANCES Co.,Ltd. Registration number: Y2021520000019 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230506 Address after: 550009 No. 121, Changjiang Road, economic and Technological Development Zone, Guiyang, Guizhou Patentee after: GUIZHOU HUAFENG AUTO PARTS CO.,LTD. Address before: No. 121, Changjiang Road, economic and Technological Development Zone, Guiyang City, Guizhou Province Patentee before: GUIZHOU HUAFENG ELECTRICAL APPLIANCES Co.,Ltd. |