CN114083264B - Reducing rolling riveting installation tool for knuckle bearing - Google Patents
Reducing rolling riveting installation tool for knuckle bearing Download PDFInfo
- Publication number
- CN114083264B CN114083264B CN202111621663.1A CN202111621663A CN114083264B CN 114083264 B CN114083264 B CN 114083264B CN 202111621663 A CN202111621663 A CN 202111621663A CN 114083264 B CN114083264 B CN 114083264B
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- roller
- mandrel
- supporting disc
- rolling riveting
- central shaft
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- 238000005096 rolling process Methods 0.000 title claims abstract description 43
- 238000009434 installation Methods 0.000 title claims abstract description 21
- 230000001050 lubricating effect Effects 0.000 claims abstract description 24
- 239000002689 soil Substances 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims abstract description 8
- 238000000429 assembly Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000011900 installation process Methods 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 206010035148 Plague Diseases 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a variable-diameter rolling riveting installation tool for a joint bearing, which comprises a connecting screw handle, wherein one end of the connecting screw handle is fixedly connected with one end of a supporting disc body, three soil type groove structures uniformly distributed along the axis are arranged on the other end face of the supporting disc body, each soil type groove is correspondingly provided with a moving body, a roller support is fixedly arranged on the upper side of each moving body, the upper end of each roller support is provided with a roller assembly, a central shaft is arranged on the central shaft of the other end face of the supporting disc body, the central shaft assemblies are simultaneously clamped and positioned through the end faces of the three moving bodies, each central shaft assembly comprises a positioning central shaft and a lubricating sleeve, and the variable-diameter rolling riveting installation tool for the joint bearing is matched with different central shaft assemblies of joint bearings with different types and sizes. The rolling riveting installation tool is suitable for rolling riveting work of bearings with different specifications and models by changing the positions of the positioning mandrel and the positioning mandrel, improves the utilization rate of the tool, reduces the economic cost and improves the universality.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, in particular to a reducing roll riveting installation tool for a knuckle bearing.
Background
The joint bearing is also called as a spherical sliding bearing, and has wide application in the fields of aerospace, engineering machinery, water conservancy and hydropower and the like. The service life of the joint bearing is directly influenced by the installation and fixation of the joint bearing, and if the joint bearing is improperly installed and fixed, the phenomenon of locking of the outer ring of the rivet inside the bearing is easy to occur; therefore, the method has important significance for developing and researching the installation process of the knuckle bearing. Compared with the currently used press riveting and spin riveting process, the knuckle bearing roll riveting installation process has the irreplaceable advantages, and mainly comprises the following steps: the device has the advantages of small loading force, small harmful deformation to the joint bearing, smooth and clean surface quality of the bearing after processing, high detection qualification rate of detection indexes such as push-out force, starting moment and the like, low rejection rate and the like. Meanwhile, the joint bearing of each model all needs the corresponding single model to roll rivet the instrument and install, but single model rolls rivet the instrument manufacturing cost higher, and need roll rivet the joint bearing model of installation various, standard diverse, every country, every producer all research and development have the bearing model of self standard, cause to roll rivet the cost that the instrument needs alone to be rolled to the bearing design processing of each model very high. Therefore, there is an urgent need for a rolling riveting installation tool for a joint bearing, which has a simple structure, a reasonable design, and versatility, and is suitable for installation of joint bearings of different types, so as to optimally solve the above problems, and solve the problems in the prior art, which always plagues those skilled in the art.
Disclosure of Invention
The invention aims to provide a variable-diameter rolling riveting installation tool for a joint bearing, which realizes the rolling riveting installation process of joint bearings with different specifications by utilizing the matching adjustment of positioning mandrels with different diameters and moving bodies, effectively reduces the processing cost of the rolling riveting tool and prolongs the service life of rolling rivets.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
The utility model provides a reducing of joint bearing rolls and rivets mounting tool which characterized in that: the three-jaw chuck is characterized by comprising a connecting screw handle, wherein one end of the connecting screw handle is fixedly connected with one end of a supporting disc body, three soil type groove structures uniformly distributed along the axis are arranged on the other end face of the supporting disc body, each soil type groove is correspondingly provided with a moving body, the bottom of the moving body is provided with a lower section thread, and the inside of the supporting disc is provided with a thread transmission structure which is the same as that of a three-jaw chuck, namely, the bottom of the soil type groove is provided with an upper end face thread; the upper side of the moving body is fixedly provided with a roller bracket, the upper end of the roller bracket is provided with a roller assembly, the roller assembly consists of a roller, a miniature roller pin and a roller pin shaft, the roller is matched with one end of the roller pin shaft through the miniature roller pin shaft, and the roller pin shaft is fixedly connected with the roller bracket; the bearing rolling riveting installation tool is characterized in that a mandrel assembly is arranged on the central axis of the other end face of the supporting disc body, the mandrel assembly is clamped and positioned simultaneously through the end faces of three moving bodies, the mandrel assembly comprises a positioning mandrel and a lubricating sleeve, the lower end of the positioning mandrel is matched with the end faces of the three moving bodies, the upper end of the positioning mandrel is fixedly connected with the lubricating sleeve, and the joint bearing reducing rolling riveting installation tool is matched with different mandrel assemblies for joint bearings of different types and sizes.
Further preferably, one end of the connecting screw handle is provided with external threads, the other end of the connecting screw handle is provided with a spigot structure, and the connecting screw handle is fixedly connected with the supporting disc body after being positioned through the spigot.
Further preferably, the moving body is provided with a plurality of pin holes, the roller support is provided with pin holes with the same number and size as the moving body, and the pin holes of the moving body are fixedly connected with the roller support through pin shafts.
Further preferably, a roller pin hole is formed in the upper end of the roller support.
Further preferably, the mandrel assembly is clamped and positioned by three moving bodies while limiting the pitch circle size of the three sets of roller vertex rotation processes.
The beneficial effects of the invention are as follows:
In the knuckle bearing reducing roll riveting installation tool, one end of a connecting screw handle is provided with external threads and is connected with a main shaft of equipment, the other end of the connecting screw handle is provided with a spigot structure, and the connecting screw handle and a supporting disc body are installed and fixed by using three connecting handle installation screws after being positioned through the spigot; the inside of the supporting disc body is provided with a screw thread transmission structure which is the same as that of the three-jaw chuck, namely, the bottom of the soil type groove is provided with an upper end surface screw thread to drive the bottom of the moving body to be provided with a lower section screw thread, so that the moving body moves along the three radial soil type grooves of the supporting disc body simultaneously, and the moving body has a self-centering function; each movable body is provided with a plurality of pin holes, each roller support is provided with pin holes with the same specification and the same number, the movable bodies and the roller supports are fixedly connected by using fixed pins, and in order to prevent the fixed pins from falling out, the tail end of each fixed pin is additionally provided with a fixed pin clamp spring to prevent the fixed pins from falling out; the upper end of each roller bracket is provided with a roller pin hole which is matched with the roller component, the roller is matched with one end of the roller pin through a miniature roller pin, the roller pin is fixedly connected with the roller bracket, each roller is a miniature rolling part, the miniature roller pin is arranged in the roller bracket, and the outer ring of the roller can freely rotate; the novel rolling riveting device is characterized in that a mandrel assembly is arranged on the central axis of the other end face of the supporting disc body, the mandrel assembly is clamped and positioned through three movable body end faces simultaneously, the mandrel assembly comprises a positioning mandrel and a lubricating sleeve, the lower end of the positioning mandrel is matched with the three movable body end faces, the upper end of the positioning mandrel is fixedly connected with the lubricating sleeve, the outer diameter of the lubricating sleeve is identical to the inner diameter of a joint bearing to be subjected to rolling riveting processing, the lubricating sleeve is in clearance fit with the inner diameter of the joint bearing to be subjected to rolling riveting processing, the lubricating sleeve and the positioning mandrel are fixed through a lubricating sleeve mounting screw, and the positioning mandrel is used for alignment between a rolling riveting tool and a bearing inner hole in the working process. When the device works, the device applies a rotation moment around the axis direction and a downward pressure along the axis direction to the rolling riveting tool, and in the process of contacting a workpiece, the three rollers rotate around the respective axes under the action of contact friction with the bearing, so that the rolling riveting process is completed.
Before use, a moving body and a roller bracket are connected and fixed by two fixed pins, a fixed pin clamp spring is arranged at the tail end of the fixed pin to prevent the clamping spring from falling off, and then the roller assembly is connected with a roller pin hole at the upper end of the roller bracket and is fixed by a fixed nut; the other two roller brackets and the roller components are assembled equally to form three independent component assemblies; fixing the connecting screw handle and the spigot of the supporting disc body by using three connecting handle mounting screws after positioning, and then sequentially mounting the moving body and the component assembly of the roller bracket in a soil type groove of the supporting disc body to complete the assembly of the rolling rivet; installing a screw for the lubricating sleeve at the end part of the positioning mandrel to complete the assembly of the positioning mandrel; and (3) placing the positioning mandrel in the center of the rolling rivet head, so that the three moving bodies simultaneously move inwards to clamp the positioning mandrel, and completing the assembly process of the variable-diameter rolling rivet tool of the integral knuckle bearing.
When the bearing is in operation, power is applied to the connecting screw handle, the connecting screw handle rotates and moves axially, the lubricating sleeve performs bearing positioning and guiding, and the roller performs flanging fixing rolling riveting process on the V-shaped groove of the outer ring of the bearing. When the rolling riveting is needed to process bearings of different types, only different positioning mandrel and lubrication sleeve combinations are needed to be replaced, and the rolling riveting installation process of the bearings of different specifications is realized by utilizing the matching adjustment of different positioning mandrel assemblies and moving bodies, so that the processing cost of the rolling riveting tool is effectively reduced, and the service life of the rolling riveting head is prolonged.
Drawings
FIG. 1 is a cross-sectional view of a variable diameter roll rivet setting tool for a spherical plain bearing according to the present invention.
Fig. 2 is a front view of the variable diameter roll rivet setting tool for the knuckle bearing of the present invention.
Fig. 3 is a top view of the variable diameter roll riveting installation tool of the knuckle bearing.
Fig. 4 is an assembly schematic diagram of a moving body, a roller bracket and a roller assembly according to the present invention.
FIG. 5 is a schematic view of a support tray according to the present invention.
Fig. 6 is a schematic view of a moving body according to the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. connecting a screw handle; 2. a support tray body; 3. a connecting handle mounting screw; 4. a moving body; 5. a fixed pin shaft; 6. a roller bracket; 7. a fixing nut; 8. a roller; 9. a screw is arranged on the lubricating sleeve; 10. a lubricating sleeve; 11. positioning a mandrel; 12. and fixing the pin shaft clamp spring.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present embodiment is a structure of the reducing roll riveting installation tool for the joint bearing, and includes a connection screw handle 1, a support disc body 2, three connection handle installation screws 3, three moving bodies 4, a fixed pin shaft 5, a fixed mandrel clamp spring 12, three roller brackets 6, three rollers 8, three fixed nuts 7, a positioning mandrel 11, a lubrication sleeve 10 and a lubrication sleeve installation screw 9, wherein one end of the connection screw handle 1 is provided with an external thread and is connected with a main shaft of the equipment, the other end of the connection screw handle 1 is provided with a spigot structure, and the connection screw handle 1 and the support disc body 2 are installed and fixed by using the three connection handle installation screws 3 after being positioned through the spigot; the inside of the supporting disc body 2 is provided with a screw thread transmission structure which is the same as that of the three-jaw chuck, namely, the bottom of the soil type groove is provided with an upper end surface screw thread, the bottom of the moving body 4 is driven by the upper end surface screw thread arranged at the bottom of the soil type groove to be provided with a lower section screw thread, so that the moving body 4 moves along the three radial soil type grooves of the supporting disc body 2 simultaneously, and the moving body 4 has a self-centering function; each movable body 4 is provided with two pin shaft holes, each roller bracket 6 is provided with pin shaft holes with the same specification and number, the movable bodies 4 and the roller brackets 6 are fixedly connected by using fixed pin shafts 5, and in order to prevent the fixed pin shafts 5 from falling out, the tail end of each fixed pin shaft 5 is additionally provided with a fixed pin shaft clamp spring 12 to prevent the fixed pin shaft from falling out; the upper end of each roller bracket 6 is provided with a roller pin shaft hole which is matched with a roller component, the roller component consists of a roller 8, a miniature roller pin and a roller pin shaft, the roller 8 is matched with one end of the roller pin shaft through the miniature roller pin shaft, the other end of the roller pin shaft passes through the roller pin shaft hole and is fixedly connected with the roller bracket 6 through a fixing nut 7, each roller 8 is a miniature rolling part, the miniature roller pin shaft is arranged in the roller component, and the outer ring of the roller 8 can freely rotate; the other end face central axis of the supporting disc body 2 is provided with a mandrel assembly, the mandrel assembly simultaneously clamps and positions through the end faces of the three moving bodies 4, the mandrel assembly comprises a positioning mandrel 11, a lubricating sleeve 10 and a lubricating sleeve mounting screw 9, the lower end of the positioning mandrel 11 is matched with the end faces of the three moving bodies 4, the upper end of the positioning mandrel 11 is fixedly connected with the lubricating sleeve 10 through the lubricating sleeve mounting screw 9, the outer diameter of the lubricating sleeve 10 is identical to the inner diameter of a joint bearing to be subjected to rolling riveting processing in size, and the lubricating sleeve 10 is in clearance fit for alignment between a rolling riveting tool and an inner hole of the joint bearing in the working process. When the device works, the device applies a rotation moment around the axis direction and a downward pressure along the axis direction to the rolling riveting tool, and in the process of contacting a workpiece, the three rollers 8 rotate around the respective axes under the action of contact friction with the knuckle bearing, so that the rolling riveting process is completed.
Before use, a moving body 4 and a roller bracket 6 are connected and fixed by two fixed pin shafts 5, a fixed pin shaft clamp spring 12 is arranged at the tail end of the fixed pin shaft 5 to prevent falling, and then a roller assembly is connected with a roller pin shaft hole at the upper end of the roller bracket 6 and is fixed by a fixed nut 7; the other two roller brackets 6 and the roller components are equally assembled to form three independent component assemblies; after positioning the spigot connecting screw handle 1 and the supporting disc body 2, fixing the spigot by using three connecting handle mounting screws 3, and then sequentially mounting the component assemblies of the moving body 4 and the roller bracket 6 in a soil type groove of the supporting disc body to complete the rolling rivet head assembly; the lubrication sleeve 10 is mounted at the end part of the positioning mandrel 11 by a lubrication sleeve mounting screw 9, so that the positioning mandrel 11 is assembled; and (3) placing the positioning mandrel 11 in the center of the rolling rivet head, so that the three moving bodies 4 simultaneously move inwards to clamp the positioning mandrel 11, and completing the assembly process of the whole knuckle bearing reducing rolling rivet tool.
When the device works, power is applied to the connecting screw handle 1, the connecting screw handle rotates and axially moves in a feeding mode, the lubricating sleeve 10 performs bearing positioning and guiding, and the roller 8 performs flanging fixing rolling riveting process on the V-shaped groove of the outer ring of the knuckle bearing. When the rolling riveting is needed to process bearings of different types, only the combination of the positioning mandrel 11 and the lubricating sleeve 10 is needed to be replaced, the rolling riveting installation process of the bearings of different specifications is realized by utilizing the matching adjustment of the positioning mandrel assembly and the moving body 4, the processing cost of the rolling riveting tool is effectively reduced, and the service life of the rolling riveting head is prolonged.
The present embodiment is only an illustration of the concept and implementation of the present invention, and is not limited thereto, and the technical solution without substantial transformation is still within the scope of protection under the concept of the present invention.
Claims (5)
1. The utility model provides a reducing of joint bearing rolls and rivets mounting tool which characterized in that: the three-jaw chuck is characterized by comprising a connecting screw handle, wherein one end of the connecting screw handle is fixedly connected with one end of a supporting disc body, three soil type groove structures uniformly distributed along the axis are arranged on the other end face of the supporting disc body, each soil type groove is correspondingly provided with a moving body, the bottom of the moving body is provided with a lower section thread, and the inside of the supporting disc is provided with a thread transmission structure which is the same as that of a three-jaw chuck, namely, the bottom of the soil type groove is provided with an upper end face thread; the upper side of the moving body is fixedly provided with a roller bracket, the upper end of the roller bracket is provided with a roller assembly, the roller assembly consists of a roller, a miniature roller pin and a roller pin shaft, the roller is matched with one end of the roller pin shaft through the miniature roller pin shaft, and the roller pin shaft is fixedly connected with the roller bracket; the central axis of the other end face of the supporting disc body is provided with a mandrel assembly, the mandrel assembly is clamped and positioned through the end faces of the three moving bodies at the same time, the mandrel assembly comprises a positioning mandrel and a lubricating sleeve, the lower end of the positioning mandrel is matched with the end faces of the three moving bodies, the upper end of the positioning mandrel is fixedly connected with the lubricating sleeve, and the outer diameter of the lubricating sleeve is in clearance fit with the inner diameter of the spherical plain bearing to be subjected to rolling riveting processing; the variable-diameter rolling riveting installation tool for the knuckle bearing is matched with different mandrel assemblies for the knuckle bearings with different models and sizes.
2. The spherical plain bearing reducing roll rivet setting tool as defined in claim 1, wherein: the utility model discloses a support plate, including the support plate body, the connection spiral shell handle one end is equipped with the external screw thread, and the connection spiral shell handle other end is equipped with tang structure, the connection spiral shell handle passes through tang location back fixed link to each other with the support plate body.
3. The spherical plain bearing reducing roll rivet setting tool as defined in claim 1, wherein: the movable body is provided with a plurality of pin holes, the roller support is provided with pin holes with the same number and size as the movable body, and the pin holes of the movable body are fixedly connected with the roller support through pin shafts.
4. The spherical plain bearing reducing roll rivet setting tool as defined in claim 1, wherein: the upper end of the roller bracket is provided with a roller pin shaft hole.
5. The spherical plain bearing reducing roll rivet setting tool as defined in claim 1, wherein: the mandrel assembly is clamped and positioned by the three moving bodies, and meanwhile, the pitch circle size of the three groups of roller vertex rotation process is limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111621663.1A CN114083264B (en) | 2021-12-28 | 2021-12-28 | Reducing rolling riveting installation tool for knuckle bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111621663.1A CN114083264B (en) | 2021-12-28 | 2021-12-28 | Reducing rolling riveting installation tool for knuckle bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114083264A CN114083264A (en) | 2022-02-25 |
| CN114083264B true CN114083264B (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111621663.1A Active CN114083264B (en) | 2021-12-28 | 2021-12-28 | Reducing rolling riveting installation tool for knuckle bearing |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956801A (en) * | 1975-02-07 | 1976-05-18 | The United States Of America As Represented By The Secretary Of Navy | Adjustable staking tool |
| CN202212524U (en) * | 2011-08-30 | 2012-05-09 | 武汉瑞威特机械有限公司 | Adjustable rotary riveting head with prepressing function |
| CN103433723A (en) * | 2013-07-05 | 2013-12-11 | 燕山大学 | Joint bearing installing and fixing rolling riveting device |
| CN205270624U (en) * | 2015-12-23 | 2016-06-01 | 江苏金也汽车配件有限公司 | Telescopic spline housing dust cover rivet device soon |
| CN110039082A (en) * | 2019-05-16 | 2019-07-23 | 沈阳飞机工业（集团）有限公司 | A kind of flexible apparatus and its application method improving parts reliability |
| CN212469802U (en) * | 2020-07-06 | 2021-02-05 | 秦皇岛戴卡兴龙轮毂有限公司 | Novel telescopic dabber fixture |
-
2021
- 2021-12-28 CN CN202111621663.1A patent/CN114083264B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3956801A (en) * | 1975-02-07 | 1976-05-18 | The United States Of America As Represented By The Secretary Of Navy | Adjustable staking tool |
| CN202212524U (en) * | 2011-08-30 | 2012-05-09 | 武汉瑞威特机械有限公司 | Adjustable rotary riveting head with prepressing function |
| CN103433723A (en) * | 2013-07-05 | 2013-12-11 | 燕山大学 | Joint bearing installing and fixing rolling riveting device |
| CN205270624U (en) * | 2015-12-23 | 2016-06-01 | 江苏金也汽车配件有限公司 | Telescopic spline housing dust cover rivet device soon |
| CN110039082A (en) * | 2019-05-16 | 2019-07-23 | 沈阳飞机工业（集团）有限公司 | A kind of flexible apparatus and its application method improving parts reliability |
| CN212469802U (en) * | 2020-07-06 | 2021-02-05 | 秦皇岛戴卡兴龙轮毂有限公司 | Novel telescopic dabber fixture |
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| Publication number | Publication date |
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| CN114083264A (en) | 2022-02-25 |
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