CN110815133B - Instrument outer ring side shaft installation tool and installation method - Google Patents
Instrument outer ring side shaft installation tool and installation method Download PDFInfo
- Publication number
- CN110815133B CN110815133B CN201911313787.6A CN201911313787A CN110815133B CN 110815133 B CN110815133 B CN 110815133B CN 201911313787 A CN201911313787 A CN 201911313787A CN 110815133 B CN110815133 B CN 110815133B
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- China
- Prior art keywords
- outer ring
- shaft
- core
- mandrel
- hole
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Links
- 238000009434 installation Methods 0.000 title claims description 24
- 238000000034 method Methods 0.000 title claims description 10
- 230000006835 compression Effects 0.000 claims abstract description 19
- 238000007906 compression Methods 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
-
- 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or 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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
Abstract
The invention discloses an outer ring side shaft mounting tool of an instrument, which comprises a compression bar, an assembly shaft, a body, a locking nut, a mandrel and a core, wherein the core is arranged on the body in a penetrating manner, the outer ring is sleeved at the front end of the core, the top of the body is provided with a hole, the assembly shaft penetrates through the hole at the top of the body and props against the periphery of the outer ring, the mandrel penetrates into the central hole of the core, the front end of the mandrel extends out of the core, the compression bar is radially inserted into the front end of the mandrel, and the rear end of the mandrel is locked by the locking nut. The invention designs the core and the compression bar to position the outer ring, and utilizes the assembly shaft to accurately mount the two side shafts of the outer ring, so that the whole tool has simple structure, convenient and easy operation and improves the working efficiency and the working quality.
Description
Technical Field
The invention relates to an outer ring side shaft installation tool and an outer ring side shaft installation method of an instrument.
Background
Two symmetrical side shafts with the diameter of 1 mm-3 mm are required to be accurately installed at two ends of an oblong outer ring in a certain small precise instrument, the positioning and fixing of the oblong outer ring are difficult, a common installation tool cannot accurately install the side shafts in place, and whether the installation position of the side shafts is accurate or not influences the assembly precision and performance of the whole precise instrument.
Disclosure of Invention
In order to solve the technical problems, the invention provides an outer ring side shaft installation tool of an instrument with simple structure and convenient operation, and provides an outer ring side shaft installation method of the instrument.
The technical scheme for solving the problems is as follows: the outer ring side shaft installation method of the instrument is realized based on an outer ring side shaft installation tool of the instrument, the outer ring side shaft installation tool of the instrument comprises a compression bar, an assembly shaft, a body, a lock nut, a mandrel and a core, the core is arranged on the body in a penetrating mode, the outer ring is sleeved at the front end of the core, the top of the body is provided with an opening, the assembly shaft penetrates through a hole at the top of the body and props against the periphery of the outer ring, the mandrel penetrates into a central hole of the core, the front end of the mandrel extends out of the core, the compression bar is radially inserted into the front end of the mandrel, and the rear end of the mandrel is locked by the lock nut;
the method for installing the outer ring side shaft of the instrument comprises the following steps:
1) The core is arranged on the body through a central step hole of the body, and the core shaft is penetrated through the central hole of the core in a clearance fit manner; sleeving the outer ring into the core, and inserting the compression bar into the front end hole of the mandrel;
2) The mandrel is slid backwards to press the compression bar against the front end face of the outer ring, the rear end face of the outer ring is made to lean against the inner side face of the main body, and then the rear end of the mandrel is sleeved with an opening gasket and then locked by a locking nut; passing the assembly shaft through the hole at the top of the body and against the outer circumference of the outer ring;
3) Sliding the side shaft into the inner hole of the assembly shaft, inserting a round rod with the diameter smaller than that of the inner hole of the assembly shaft into the inner hole of the assembly shaft, tightly pressing the side shaft into the outer ring, and mounting the side shaft in place against the core; taking out the assembly shaft, turning over the whole installation tool by 180 degrees, enabling the assembly shaft to pass through a hole at the top of the body and prop against the periphery of the outer ring, inserting a round rod with the diameter smaller than that of the inner hole of the assembly shaft into the inner hole of the assembly shaft, tightly pressing the side shaft into the outer ring, propping against the core by the side shaft, namely installing in place, and taking out the assembly shaft;
4) And unscrewing the lock nut, sliding the mandrel forwards, taking out the compression bar from the front end hole of the mandrel, and taking out the outer ring of the side shafts on both sides assembled from the core, wherein the installation work of the outer ring side shafts is completed.
In the step 2), the coaxiality of the shaft hole of the outer ring and the shaft hole of the assembly shaft after the assembly shaft is propped against the periphery of the outer ring is less than or equal to 0.02mm.
The invention has the beneficial effects that: the invention designs the core and the compression bar to position the outer ring, and utilizes the assembly shaft to accurately mount the two side shafts of the outer ring, so that the whole tool has simple structure, convenient and easy operation and improves the working efficiency and the working quality.
Drawings
Fig. 1 is a front view of the installation tool of the present invention.
Fig. 2 is a cross-sectional view A-A of fig. 1.
Fig. 3 is a schematic view of the assembled side shaft of the outer ring.
Fig. 4 is a perspective view of the installation tool of the present invention.
Description of the embodiments
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1-4, an outer ring side shaft mounting tool of an instrument comprises a compression bar 1, an assembly shaft 2, a body 3, a lock nut 4, a mandrel 5 and a core 7, wherein the core 7 is arranged on the body 3 in a penetrating manner, an outer ring 11 is sleeved at the front end of the core 7, the top of the body 3 is provided with an opening, the assembly shaft 2 penetrates through a hole at the top of the body 3 and props against the periphery of the outer ring 11, the mandrel 5 penetrates into a central hole of the core 7, the front end of the mandrel 5 extends out of the core 7, the compression bar 1 is radially inserted into the front end of the mandrel 5, and the rear end of the mandrel 5 is locked by the lock nut 4.
The longitudinal section of the body 3 is C-shaped. The outer side surface of the center of the body 3 is provided with a step hole, the core 7 is arranged on the body 3 through the step hole in the center of the body 3, and the front end of the core 7 extends out to the inner side surface of the body 3.
The central hole of the mandrel 5 and the core 7 are in clearance fit.
An opening washer 6 is arranged between the rear end of the mandrel 5 and the lock nut 4.
Two shaft holes are symmetrically formed in the outer ring 11, and the coaxiality of the shaft holes of the outer ring 11 and the shaft holes of the assembly shaft 2 is less than or equal to 0.02mm.
A method of installing an outer ring 11-side shaft of an instrument, comprising the steps of:
1) The core 7 is arranged on the body 3 through a central step hole of the body 3, and the mandrel 5 is penetrated through with the central hole of the core 7 in a clearance fit manner; the outer ring 11 is sleeved into the core 7, and the compression bar 1 is inserted into the front end hole of the mandrel 5.
2) The mandrel 5 is slid backwards to press the compression bar 1 against the front end face of the outer ring 11, the rear end face of the outer ring 11 is abutted against the inner side face of the body 3, and then the rear end of the mandrel 5 is sleeved with the opening gasket 6 and then locked by the lock nut 4; passing the assembly shaft 2 through the hole at the top of the body 3 and against the outer circumference of the outer ring 11; the coaxiality of the shaft hole of the outer ring 11 and the shaft hole of the assembly shaft 2 is less than or equal to 0.02mm after the assembly shaft 2 props against the periphery of the outer ring 11.
3) Sliding the side shaft 12 into the inner hole of the assembly shaft 2, inserting a round rod with the diameter smaller than that of the inner hole of the assembly shaft 2 into the inner hole of the assembly shaft 2, tightly pressing the side shaft 12 into the outer ring 11, and mounting the side shaft 12 in place against the core 7; taking out the assembly shaft 2, turning over the whole installation tool by 180 degrees, penetrating the assembly shaft 2 through the hole at the top of the body 3 and propping against the periphery of the outer ring 11, inserting a round rod with the diameter smaller than that of the inner hole of the assembly shaft 2 into the inner hole of the assembly shaft 2, tightly pressing the side shaft 12 into the outer ring 11, propping against the core 7 by the side shaft 12, namely installing in place, and taking out the assembly shaft 2.
4) The lock nut 4 is unscrewed, the mandrel 5 is slid forward, the compression bar 1 is taken out from the front end hole of the mandrel 5, then the outer ring 11 assembled with the two side shafts 12 is taken out from the core 7, and the installation work of the outer ring 11 side shafts 12 is completed.
Claims (2)
1. The outer ring side shaft installation method of the instrument is realized based on an outer ring side shaft installation tool of the instrument, the outer ring side shaft installation tool of the instrument comprises a compression bar, an assembly shaft, a body, a lock nut, a mandrel and a core, the core is arranged on the body in a penetrating mode, the outer ring is sleeved at the front end of the core, the top of the body is provided with an opening, the assembly shaft penetrates through a hole at the top of the body and props against the periphery of the outer ring, the mandrel penetrates into a central hole of the core, the front end of the mandrel extends out of the core, the compression bar is radially inserted into the front end of the mandrel, and the rear end of the mandrel is locked by the lock nut;
the method for installing the outer ring side shaft of the instrument comprises the following steps:
1) The core is arranged on the body through a central step hole of the body, and the core shaft is penetrated through the central hole of the core in a clearance fit manner; sleeving the outer ring into the core, and inserting the compression bar into the front end hole of the mandrel;
2) The mandrel is slid backwards to press the compression bar against the front end face of the outer ring, the rear end face of the outer ring is made to lean against the inner side face of the main body, and then the rear end of the mandrel is sleeved with an opening gasket and then locked by a locking nut; passing the assembly shaft through the hole at the top of the body and against the outer circumference of the outer ring;
3) Sliding the side shaft into the inner hole of the assembly shaft, inserting a round rod with the diameter smaller than that of the inner hole of the assembly shaft into the inner hole of the assembly shaft, tightly pressing the side shaft into the outer ring, and mounting the side shaft in place against the core; taking out the assembly shaft, turning over the whole installation tool by 180 degrees, enabling the assembly shaft to pass through a hole at the top of the body and prop against the periphery of the outer ring, inserting a round rod with the diameter smaller than that of the inner hole of the assembly shaft into the inner hole of the assembly shaft, tightly pressing the side shaft into the outer ring, propping against the core by the side shaft, namely installing in place, and taking out the assembly shaft;
4) And unscrewing the lock nut, sliding the mandrel forwards, taking out the compression bar from the front end hole of the mandrel, and taking out the outer ring of the side shafts on both sides assembled from the core, wherein the installation work of the outer ring side shafts is completed.
2. The method of installing an outer ring-side shaft of an instrument according to claim 1, wherein: in the step 2), the coaxiality of the shaft hole of the outer ring and the shaft hole of the assembly shaft after the assembly shaft props against the periphery of the outer ring is less than or equal to 0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313787.6A CN110815133B (en) | 2019-12-19 | 2019-12-19 | Instrument outer ring side shaft installation tool and installation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911313787.6A CN110815133B (en) | 2019-12-19 | 2019-12-19 | Instrument outer ring side shaft installation tool and installation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110815133A CN110815133A (en) | 2020-02-21 |
| CN110815133B true CN110815133B (en) | 2024-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911313787.6A Active CN110815133B (en) | 2019-12-19 | 2019-12-19 | Instrument outer ring side shaft installation tool and installation method |
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| CN (1) | CN110815133B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102596507A (en) * | 2009-07-28 | 2012-07-18 | 梅西耶-布加蒂-道提公司 | Tool for removing annular elements tightly mounted in holes, in particular blind holes, of parts |
| CN203665447U (en) * | 2014-01-14 | 2014-06-25 | 安徽江淮汽车股份有限公司 | Press-fitting device for annular part |
| CN204565224U (en) * | 2015-04-17 | 2015-08-19 | 徐州工业职业技术学院 | For processing the drill jig of cover parts radial hole |
| CN204868201U (en) * | 2015-07-06 | 2015-12-16 | 南通雷亨塑料制品有限公司 | Rotation drill jig |
| CN105234892A (en) * | 2015-11-13 | 2016-01-13 | 河南平高电气股份有限公司 | Positioning device for coaxial shaft sleeves in two holes |
| CN205600380U (en) * | 2016-05-20 | 2016-09-28 | 阙智坚 | Automobile water pump pump case hole processingequipment |
| CN205650862U (en) * | 2016-05-18 | 2016-10-19 | 沈阳黎航发石化机械设备制造有限公司 | Indexing means of processing high accuracy axle bush |
| CN206230061U (en) * | 2016-12-09 | 2017-06-09 | 无锡银联齿轮传动机械有限公司 | Radial direction halving hole drilling equipment |
| CN206643630U (en) * | 2017-03-30 | 2017-11-17 | 浙江辛子精工机械股份有限公司 | A kind of bench drill radial direction indexing drilling fixture |
| CN208961060U (en) * | 2018-08-07 | 2019-06-11 | 东莞理工学院 | A kind of radial direction sleeve boring grab |
| CN211103785U (en) * | 2019-12-19 | 2020-07-28 | 江南工业集团有限公司 | Outer ring side shaft mounting tool of instrument |
-
2019
- 2019-12-19 CN CN201911313787.6A patent/CN110815133B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102596507A (en) * | 2009-07-28 | 2012-07-18 | 梅西耶-布加蒂-道提公司 | Tool for removing annular elements tightly mounted in holes, in particular blind holes, of parts |
| CN203665447U (en) * | 2014-01-14 | 2014-06-25 | 安徽江淮汽车股份有限公司 | Press-fitting device for annular part |
| CN204565224U (en) * | 2015-04-17 | 2015-08-19 | 徐州工业职业技术学院 | For processing the drill jig of cover parts radial hole |
| CN204868201U (en) * | 2015-07-06 | 2015-12-16 | 南通雷亨塑料制品有限公司 | Rotation drill jig |
| CN105234892A (en) * | 2015-11-13 | 2016-01-13 | 河南平高电气股份有限公司 | Positioning device for coaxial shaft sleeves in two holes |
| CN205650862U (en) * | 2016-05-18 | 2016-10-19 | 沈阳黎航发石化机械设备制造有限公司 | Indexing means of processing high accuracy axle bush |
| CN205600380U (en) * | 2016-05-20 | 2016-09-28 | 阙智坚 | Automobile water pump pump case hole processingequipment |
| CN206230061U (en) * | 2016-12-09 | 2017-06-09 | 无锡银联齿轮传动机械有限公司 | Radial direction halving hole drilling equipment |
| CN206643630U (en) * | 2017-03-30 | 2017-11-17 | 浙江辛子精工机械股份有限公司 | A kind of bench drill radial direction indexing drilling fixture |
| CN208961060U (en) * | 2018-08-07 | 2019-06-11 | 东莞理工学院 | A kind of radial direction sleeve boring grab |
| CN211103785U (en) * | 2019-12-19 | 2020-07-28 | 江南工业集团有限公司 | Outer ring side shaft mounting tool of instrument |
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| Publication number | Publication date |
|---|---|
| CN110815133A (en) | 2020-02-21 |
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