CN114083264A - Joint bearing reducing roll-riveting mounting tool - Google Patents
Joint bearing reducing roll-riveting mounting tool Download PDFInfo
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- CN114083264A CN114083264A CN202111621663.1A CN202111621663A CN114083264A CN 114083264 A CN114083264 A CN 114083264A CN 202111621663 A CN202111621663 A CN 202111621663A CN 114083264 A CN114083264 A CN 114083264A
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- roller
- mandrel
- pin shaft
- connecting screw
- screw handle
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- 230000001050 lubricating effect Effects 0.000 claims abstract description 27
- 239000002689 soil Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 abstract description 8
- 238000000429 assembly Methods 0.000 abstract description 8
- 238000005096 rolling process Methods 0.000 description 24
- 238000011900 installation process Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a joint bearing reducing roll-riveting mounting tool 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 groove structures uniformly distributed along the axis are arranged on the other end face of the supporting disc body, each soil groove is correspondingly provided with a moving body, a roller wheel support is fixedly mounted on the upper side of each moving body, a roller wheel assembly is arranged at the upper end of each roller wheel support, a mandrel assembly is arranged on the central axis of the other end face of the supporting disc body, the mandrel assemblies are clamped and positioned simultaneously through the end faces of the three moving bodies, each mandrel assembly comprises a positioning mandrel and a lubricating sleeve, and the joint bearing reducing roll-riveting mounting tool is matched with different mandrel assemblies aiming at joint bearings of different types and sizes. The roll riveting mounting tool changes the position of the roller through replacing the positioning mandrel to adapt to roll riveting work of bearings of different specifications and models, the tool utilization rate is improved, the economic cost is reduced, and the universality is improved.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, in particular to a joint bearing reducing rolling rivet installation tool.
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 knuckle bearing is directly influenced by the installation and fixation of the knuckle bearing, and if the knuckle bearing is improperly installed and fixed, the phenomenon that the outer ring of a rivet head in the bearing is locked easily occurs; therefore, the method has important significance for researching the installation process of the joint bearing. The joint bearing rolling riveting installation process has irreplaceable advantages compared with the currently used pressing riveting and spin riveting process, and mainly comprises the following steps: the device has the advantages of small loading force, small harmful deformation to the knuckle bearing, smooth and clean surface quality of the processed bearing, high detection qualification rate of detection indexes such as push-out force, starting torque and the like, low rejection rate and the like. Meanwhile, the spherical plain bearing of each type all needs the single model that corresponds to roll and rivet the instrument and install, but the single model rolls and rivets instrument production and processing cost higher, and the spherical plain bearing model that needs to roll and rivet the installation is various, the standard diverse, and every country, every producer all research and develop the bearing model that has self standard, causes to roll alone to rivet the installation instrument cost of needs very high to every type bearing design and processing. Therefore, a joint bearing rolling rivet installation tool which is simple in structure, reasonable in design, suitable for installation of joint bearings of different models and universal is urgently needed to solve the problems in the prior art and solve the problem which always puzzles the technical personnel in the field.
Disclosure of Invention
The invention aims to provide a variable-diameter rolling rivet installation tool for a joint bearing, which realizes the rolling rivet installation process of joint bearings of different specifications and models by utilizing the matching adjustment of positioning mandrels with different diameters and a moving body, effectively reduces the processing cost of the rolling rivet tool and prolongs the service life of a rolling rivet head.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a joint bearing reducing rolls rivets mounting tool which characterized in that: the three-jaw chuck comprises a connecting screw handle, one end of the connecting screw handle is fixedly connected with one end of a supporting disk body, three soil type groove structures uniformly distributed along an axis are arranged on the other end face of the supporting disk body, each soil type groove is correspondingly provided with a moving body, the bottom of each moving body is provided with a lower section thread, and a thread transmission structure which is the same as that of the three-jaw chuck is arranged in the supporting disk, namely the bottom of each soil type groove is provided with an upper end face thread; a roller support is fixedly mounted on the upper side of the moving body, a roller assembly is arranged at the upper end of the roller support and consists of a roller, a micro roller pin and a roller pin shaft, the roller is matched with one end of the roller pin shaft through the micro roller pin, and the roller pin shaft is fixedly connected with the roller support; the supporting disc body is characterized in that a mandrel component is arranged on the central axis of the other end face of the supporting disc body, the mandrel component is clamped and positioned through the end faces of three moving bodies simultaneously, the mandrel component 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 oscillating bearing reducing roll-riveting mounting tool is used for different mandrel components matched with oscillating bearings of different models and sizes.
Further preferably, one end of the connecting screw handle is provided with an external thread, 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, a plurality of pin shaft holes are formed in the moving body, the pin shaft holes with the same number and size as the moving body are formed in the roller bracket, and the pin shaft holes of the moving body are fixedly connected with the roller bracket through pin shafts.
Further preferably, the upper end of the roller bracket is provided with a roller pin shaft hole.
Further preferably, the mandrel assembly is clamped and positioned by the three moving bodies, and meanwhile, the pitch circle size of the revolution process of the top points of the three groups of rollers is limited.
The invention has the beneficial effects that:
in the oscillating bearing reducing roll riveting mounting tool, one end of a connecting screw handle is provided with an external thread to be connected with an equipment main shaft, 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 positioned through a spigot and then are mounted and fixed by using three connecting handle mounting screws; the supporting disc body is internally provided with a thread transmission structure which is the same as that of the three-jaw chuck, namely, the bottom of the soil-shaped groove is provided with an upper end-face thread, the upper end-face thread arranged at the bottom of the soil-shaped groove drives the bottom of the moving body to be provided with a lower section thread, so that the moving body can move simultaneously along three radial soil-shaped grooves of the supporting disc body, and the moving body has a self-centering function; a plurality of pin shaft holes are processed on each moving body, the pin shaft holes with the same specification and number are processed on each roller bracket, the moving bodies and the roller brackets are fixedly connected by using fixed pin shafts, and in order to prevent the fixed pin shafts from falling off, fixed pin shaft snap springs are additionally arranged at the tail ends of the fixed pin shafts to prevent the fixed pin shafts from falling off; the upper end of each roller bracket is provided with a roller pin shaft hole which is matched with the roller assembly, the roller is matched with one end of the roller pin shaft through a micro roller pin, the roller pin shaft is fixedly connected with the roller bracket, each roller is a micro rolling part, the interior of the roller is provided with the micro roller pin, and the outer ring of the roller can freely rotate; the supporting disc body is characterized in that a mandrel component is arranged on the central axis of the other end face of the supporting disc body, the mandrel component is clamped and positioned simultaneously through the end faces of three moving bodies, the mandrel component 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, the outer diameter of the lubricating sleeve is the same as the inner diameter of a joint bearing to be subjected to roll riveting, the lubricating sleeve and the positioning mandrel are fixed through a mounting screw of the lubricating sleeve in a clearance fit mode, and the roll riveting tool is used for aligning the inner hole of the bearing in the working process. When the device works, the device applies a rotating moment around the axis direction and a downward pressure along the axis direction to the rolling riveting tool, and in the process of contacting workpieces, the three rollers rotate around respective axes under the action of contact friction of the three rollers and 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 pin shafts, a fixed pin shaft snap spring is installed at the tail end of the fixed pin shaft to prevent falling off, and then a roller assembly is connected with a roller pin shaft hole at the upper end of the roller bracket and is fixed by a fixed nut; the other two roller supports and the roller assemblies are assembled reasonably to form three independent component assemblies; positioning the connecting screw handle and a spigot of the supporting disc body, fixing by using three connecting handle mounting screws, and then sequentially mounting the moving body and a component assembly body of the roller bracket in a soil groove of the supporting disc body to complete the assembly of the rivet rolling head; mounting a screw for the lubricating sleeve at the end part of the positioning mandrel to complete the assembly of the positioning mandrel; and (4) putting the positioning mandrel into the center position of the rolling riveting head, and enabling the three moving bodies to simultaneously move inwards to clamp the positioning mandrel so as to finish the assembling process of the integral oscillating bearing reducing rolling riveting tool.
When the device works, power is applied to the connecting screw handle, the connecting screw handle rotates and has axial feed motion, the lubricating sleeve carries out bearing positioning and guiding, and the roller carries out 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 models, only different positioning mandrels and lubricating sleeve combinations need to be replaced, and different positioning mandrel components and moving body matching adjustment are utilized, so that the rolling riveting installation process of the bearings of different specifications and models is realized, the processing cost of a rolling riveting tool is effectively reduced, and the service life of a rolling riveting head is prolonged.
Drawings
FIG. 1 is a cross-sectional view of the oscillating bearing reducing roll-riveting installation tool.
FIG. 2 is a front view of the oscillating bearing reducing roll-riveting installation tool.
FIG. 3 is a top view of the oscillating bearing reducing roll-riveting installation tool.
Fig. 4 is an assembly view of the moving body, the roller bracket and the roller assembly according to the present invention.
FIG. 5 is a schematic view of the supporting plate of the present invention.
FIG. 6 is a schematic view of a movable body according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. connecting a screw handle; 2. supporting the tray body; 3. a screw is installed on the connecting handle; 4. a moving body; 5. fixing a pin shaft; 6. a roller bracket; 7. fixing a nut; 8. a roller; 9. mounting screws on the lubricating sleeve; 10. a lubricating sleeve; 11. positioning the mandrel; 12. and fixing the pin shaft clamp spring.
Detailed Description
The invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the structure of the oscillating bearing reducing roll riveting mounting tool in this embodiment includes a connecting screw shank 1, a supporting disc body 2, three connecting shank mounting screws 3, three moving bodies 4, a fixed pin shaft 5, a fixed mandrel snap spring 12, three roller supports 6, three rollers 8, three fixing nuts 7, a positioning mandrel 11, a lubricating sleeve 10 and a lubricating sleeve mounting screw 9, wherein an external thread is arranged at one end of the connecting screw shank 1 and connected with an equipment spindle, a spigot structure is arranged at the other end of the connecting screw shank 1, and the connecting screw shank 1 and the supporting disc body 2 are positioned by using the three connecting shank mounting screws 3 for mounting and fixing after being positioned by a spigot; the supporting disc body 2 is internally provided with a 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-face thread to drive the bottom of the moving body 4 to be provided with a lower section thread, so that the moving body 4 can move simultaneously along three radial soil-type grooves of the supporting disc body 2, and the moving body 4 has a self-centering function; two pin shaft holes are processed on each moving body 4, the pin shaft holes with the same specification and number are processed on each roller bracket 6, the moving 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 off, fixed pin shaft snap springs 12 are additionally arranged at the tail ends of the fixed pin shafts 5 to prevent the fixed pin shafts from falling off; a roller pin shaft hole is machined at the upper end of each roller bracket 6 and is matched with a roller assembly, the roller assembly consists of a roller 8, a micro roller pin and a roller pin shaft, the roller 8 is matched with one end of the roller pin shaft through the micro roller pin shaft, the other end of the roller pin shaft penetrates 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 micro rolling part, the micro roller pin is arranged in the roller 8, and the outer ring of the roller 8 can freely rotate; the central axis of the other end face of the supporting disc body 2 is provided with a mandrel component, the mandrel component is clamped and positioned simultaneously through 4 end faces of three moving bodies, the mandrel component 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 4 end faces of the three moving bodies, 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 the same as the inner diameter of a joint bearing to be subjected to roll riveting, the outer diameter of the lubricating sleeve is in clearance fit with the inner diameter of the joint bearing to be subjected to roll riveting, and the central axis of the joint bearing is used for aligning a roll riveting tool and an inner hole of the joint bearing in the working process. When the device works, the device applies a rotating moment around the axis direction and a downward pressure along the axis direction to the rolling riveting tool, and in the process of contacting workpieces, the three rollers 8 rotate around respective axes under the action of contact friction of the three rollers and 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 installed at the tail end of each fixed pin shaft 5 to prevent falling off, 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 assemblies are assembled reasonably to form three independent component assemblies; positioning the connecting screw handle 1 and the seam allowance of the supporting disc body 2, fixing by using three connecting handle mounting screws 3, and then sequentially mounting the moving body 4 and the component assembly body of the roller bracket 6 in the soil-type groove of the supporting disc body to complete the assembly of the rivet rolling head; installing a lubricating sleeve 10 at the end part of the positioning mandrel 11 by using a lubricating sleeve installing screw 9 to finish the assembly of the positioning mandrel 11; and (3) putting the positioning mandrel 11 into the center position of the rolling riveting head, and enabling the three moving bodies 4 to simultaneously move inwards to clamp the positioning mandrel 11, thereby completing the assembling process of the integral oscillating bearing reducing rolling riveting tool.
When the joint bearing positioning device works, power is applied to the connecting screw handle 1, the rotation and the axial feeding movement are realized, the lubricating sleeve 10 is used for bearing positioning and guiding, and the roller 8 is used for flanging, fixing and roll riveting the V-shaped groove in the outer ring of the joint bearing. When different types of bearings are required to be processed by roll riveting, only different positioning mandrel assemblies 11 and lubricating sleeve 10 are required to be replaced, and different positioning mandrel assemblies and moving bodies 4 are used for matching adjustment, so that the roll riveting installation process of the bearings with different specifications and types is realized, the processing cost of a roll riveting tool is effectively reduced, and the service life of a roll riveting head is prolonged.
The embodiment is only an illustration of the concept and implementation of the present invention, and is not a limitation, and technical solutions without substantial changes are still within the protection scope under the inventive concept.
Claims (5)
1. The utility model provides a joint bearing reducing rolls rivets mounting tool which characterized in that: the three-jaw chuck comprises a connecting screw handle, one end of the connecting screw handle is fixedly connected with one end of a supporting disk body, three soil type groove structures uniformly distributed along an axis are arranged on the other end face of the supporting disk body, each soil type groove is correspondingly provided with a moving body, the bottom of each moving body is provided with a lower section thread, and a thread transmission structure which is the same as that of the three-jaw chuck is arranged in the supporting disk, namely the bottom of each soil type groove is provided with an upper end face thread; a roller support is fixedly mounted on the upper side of the moving body, a roller assembly is arranged at the upper end of the roller support and consists of a roller, a micro roller pin and a roller pin shaft, the roller is matched with one end of the roller pin shaft through the micro roller pin, and the roller pin shaft is fixedly connected with the roller support; the supporting disc body is characterized in that a mandrel component is arranged on the central axis of the other end face of the supporting disc body, the mandrel component is clamped and positioned through the end faces of three moving bodies simultaneously, the mandrel component 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 oscillating bearing reducing roll-riveting mounting tool is used for different mandrel components matched with oscillating bearings of different models and sizes.
2. The oscillating bearing reducing roll-rivet installation tool of claim 1, characterized in that: the connecting screw handle is characterized in that an external thread is arranged at one end of the connecting screw handle, a spigot structure is arranged at the other end of the connecting screw handle, and the connecting screw handle is fixedly connected with the supporting disc body after being positioned through the spigot.
3. The oscillating bearing reducing roll-rivet installation tool of claim 1, characterized in that: the movable body is provided with a plurality of pin shaft holes, the roller wheel support is provided with the pin shaft holes with the same number and size as the movable body, and the pin shaft holes of the movable body are fixedly connected with the roller wheel support through pin shafts.
4. The oscillating bearing reducing roll-rivet installation tool of claim 1, characterized in that: the upper end of the roller bracket is provided with a roller pin shaft hole.
5. The oscillating bearing reducing roll-rivet installation tool of claim 1, characterized in that: the mandrel component is clamped and positioned by the three moving bodies, and meanwhile, the pitch circle size of the three groups of roller vertexes in the 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 true CN114083264A (en) | 2022-02-25 |
| CN114083264B CN114083264B (en) | 2024-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111621663.1A Active CN114083264B (en) | 2021-12-28 | 2021-12-28 | Reducing rolling riveting installation tool for knuckle bearing |
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| Country | Link |
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| CN (1) | CN114083264B (en) |
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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| CN114083264B (en) | 2024-04-23 |
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