CN110815133A - Tool and method for mounting outer ring side shaft of instrument - Google Patents
Tool and method for mounting outer ring side shaft of instrument Download PDFInfo
- Publication number
- CN110815133A CN110815133A CN201911313787.6A CN201911313787A CN110815133A CN 110815133 A CN110815133 A CN 110815133A CN 201911313787 A CN201911313787 A CN 201911313787A CN 110815133 A CN110815133 A CN 110815133A
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- China
- Prior art keywords
- shaft
- outer ring
- core
- hole
- mandrel
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Links
- 238000000034 method Methods 0.000 title claims description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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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 pressure lever, an assembly shaft, a body, a locking nut, a core shaft and a core, wherein the core is arranged on the body in a penetrating manner, an 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 core shaft penetrates into the central hole of the core, the front end of the core shaft extends out of the core shaft, the pressure lever is radially inserted into the front end of the core shaft, and the rear end. The invention designs the mold core and the compression bar positioning outer ring, and utilizes the assembling shaft to accurately install the two side shafts of the outer ring, 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 installation tool and an installation method for an outer ring side shaft 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 a long circular outer ring in a certain small precision instrument, the long circular outer ring is difficult to position and fix, a common installation tool cannot accurately install the side shafts in place, and the assembly precision and the performance of the whole precision instrument are influenced by the accuracy of the installation position of the side shafts.
Disclosure of Invention
In order to solve the technical problems, the invention provides an outer ring side shaft mounting tool of an instrument, which has a simple structure and is convenient to operate, and provides an outer ring side shaft mounting method of the instrument.
The technical scheme for solving the problems is as follows: the utility model provides an outer loop side shaft mounting tool of instrument, includes depression bar, assembly axle, body, lock nut, dabber, core, the core is worn to locate on the body, and the outer loop suit is at the core front end, body top trompil, assembly axle pass the hole at body top and withstand the outer loop periphery, the dabber penetrates in the central hole of core and the dabber front end stretches out from the core, the depression bar radially inserts the dabber front end, lock nut locks for the dabber rear end.
The outer ring side shaft mounting tool of the instrument comprises a body, wherein the longitudinal section of the body is C-shaped.
The outer ring side shaft mounting tool of the instrument comprises a body, wherein a step hole is formed in the outer side face of the center of the body, a core is mounted on the body through the step hole in the center of the body, and the front end of the core extends out of the inner side face of the body.
The outer ring side shaft mounting tool of the instrument is characterized in that the mandrel is in clearance fit with a central hole of the mold core.
According to the outer ring side shaft mounting tool of the instrument, an opening washer is arranged between the rear end of the mandrel and the locking nut.
According to the outer ring side shaft mounting tool of the instrument, two shaft holes are symmetrically formed in the outer ring, and the coaxiality of the shaft holes of the outer ring and the shaft holes of the assembling shaft is less than or equal to 0.02 mm.
A method of outer ring side shaft mounting of an instrument comprising the steps of:
1) installing a core on the body through a central step hole of the body, and allowing a core shaft to penetrate through a central hole of the core in a clearance fit manner; sleeving the outer ring into the mold core, and inserting the pressure rod into the front end hole of the mandrel;
2) the mandrel is slid backwards to press the pressure rod against the front end face of the outer ring, meanwhile, the rear end face of the outer ring is made to lean against the inner side face of the body, and then the rear end of the mandrel is sleeved with the upper opening washer and then locked by the locking nut; the assembling shaft penetrates through a hole in the top of the body and props against the periphery of the outer ring;
3) sliding the side shaft into an inner hole of the assembling shaft, inserting a round rod with the diameter smaller than that of the inner hole of the assembling shaft into the inner hole of the assembling shaft, tightly pressing the side shaft into the outer ring, and installing the side shaft in place by abutting against the mold core; taking out the assembly shaft, turning the whole mounting tool for 180 degrees, penetrating the assembly shaft through the hole at the top of the body again and propping 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, and then propping against the mold core by the side shaft to be mounted in place, and taking out the assembly shaft;
4) and unscrewing the locking nut, sliding the mandrel forwards, taking the pressure lever out of a front end hole of the mandrel, and taking the outer ring with the side shafts on the two sides assembled out of the mold core, so that the installation work of the side shafts of the outer ring is completed.
In the method for mounting the outer ring side shaft of the instrument, 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 outer periphery of the outer ring is less than or equal to 0.02 mm.
The invention has the beneficial effects that: the invention designs the mold core and the compression bar positioning outer ring, and utilizes the assembling shaft to accurately install the two side shafts of the outer ring, 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 sectional view a-a in fig. 1.
Fig. 3 is a schematic view of the outer ring assembled side shaft.
Fig. 4 is a perspective view of the installation tool of the present invention.
Detailed Description
The invention is further described below with reference to the figures and examples.
As shown in fig. 1-4, an outer ring side shaft mounting tool of an instrument comprises a pressure lever 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 a hole, the assembly shaft 2 penetrates through the hole at the top of the body 3 and props against the periphery of the outer ring 11, the mandrel 5 penetrates into the central hole of the core 7, the front end of the mandrel 5 extends out of the core 7, the pressure lever 1 is radially inserted into the front end of the mandrel 5, and the rear end of the mandrel 5 is locked by.
The longitudinal section of the body 3 is C-shaped. The central lateral surface of the body 3 is provided with a step hole, the core 7 is arranged on the body 3 through the step hole at the center of the body 3, and the front end of the core 7 extends out of the inner lateral surface of the body 3.
The mandrel 5 is in clearance fit with the central hole of the core 7.
An opening washer 6 is arranged between the rear end of the mandrel 5 and the locking nut 4.
Two shaft holes are symmetrically arranged on the outer ring 11, and the coaxiality of the shaft holes of the outer ring 11 and the shaft holes of the assembling shaft 2 is less than or equal to 0.02 mm.
A method of outer ring 11 side shaft mounting of an instrument comprising the steps of:
1) installing a core 7 on the body 3 through a central step hole of the body 3, and allowing a core shaft 5 and a central hole of the core 7 to penetrate in a clearance fit manner; the outer ring 11 is sleeved into the mold core 7, and the pressure rod 1 is inserted into the front end hole of the mandrel 5.
2) The mandrel 5 is slid backwards to press the pressure lever 1 against the front end face of the outer ring 11, meanwhile, the rear end face of the outer ring 11 is made to lean against the inner side face of the body 3, and then the rear end of the mandrel 5 is sleeved with the upper opening washer 6 and locked by the locking nut 4; the assembly shaft 2 penetrates through a hole at the top of the body 3 and is pressed against the periphery of the outer ring 11; the coaxiality of the shaft hole of the outer ring 11 and the shaft hole of the assembling shaft 2 is less than or equal to 0.02mm after the assembling shaft 2 props against the periphery of the outer ring 11.
3) Sliding the side shaft into an 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, pressing the side shaft into the outer ring 11, and installing the side shaft in place by propping against the mold core 7; and taking out the assembly shaft 2, turning the whole mounting tool by 180 degrees, penetrating the assembly shaft 2 through the hole at the top of the body 3 again and propping against the periphery of the outer ring 11, inserting a round rod with the diameter smaller than the inner hole of the assembly shaft 2 into the inner hole of the assembly shaft 2, tightly pressing the side shaft into the outer ring 11, propping against the mold core 7 by the side shaft, namely, mounting in place, and taking out the assembly shaft 2.
4) And (3) loosening the locking nut 4, sliding the mandrel 5 forwards, taking the pressure rod 1 out of a front end hole of the mandrel 5, then taking the outer ring 11 with the assembled side shafts on the two sides out of the mold core 7, and finishing the mounting work of the side shafts of the outer ring 11.
Claims (8)
1. An outer ring side shaft mounting tool of instrument which characterized in that: the core shaft penetrates through the hole in the top of the body and props against the periphery of the outer ring, the core shaft penetrates into the central hole of the core shaft and extends out of the core shaft, the pressing rod is radially inserted into the front end of the core shaft, and the rear end of the core shaft is locked by the locking nut.
2. An outer ring side shaft installation tool of an instrument according to claim 1, wherein: the longitudinal section of the body is C-shaped.
3. An outer ring side shaft installation tool of an instrument according to claim 2, wherein: the outer side face of the center of the body is provided with a step hole, the core is installed on the body through the step hole in the center of the body, and the front end of the core extends out of the inner side face of the body.
4. An outer ring side shaft installation tool of an instrument according to claim 1, wherein: the central holes of the core shaft and the core are in clearance fit.
5. An outer ring side shaft installation tool of an instrument according to claim 1, wherein: an opening washer is arranged between the rear end of the mandrel and the locking nut.
6. An outer ring side shaft installation tool of an instrument according to claim 1, wherein: two shaft holes are symmetrically arranged on the outer ring, and the coaxiality of the shaft holes of the outer ring and the shaft holes of the assembling shafts is less than or equal to 0.02 mm.
7. An outer ring side shaft mounting method of an instrument based on the mounting tool of any one of claims 1-6, comprising the steps of:
1) installing a core on the body through a central step hole of the body, and allowing a core shaft to penetrate through a central hole of the core in a clearance fit manner; sleeving the outer ring into the mold core, and inserting the pressure rod into the front end hole of the mandrel;
2) the mandrel is slid backwards to press the pressure rod against the front end face of the outer ring, meanwhile, the rear end face of the outer ring is made to lean against the inner side face of the body, and then the rear end of the mandrel is sleeved with the upper opening washer and then locked by the locking nut; the assembling shaft penetrates through a hole in the top of the body and props against the periphery of the outer ring;
3) sliding the side shaft into an inner hole of the assembling shaft, inserting a round rod with the diameter smaller than that of the inner hole of the assembling shaft into the inner hole of the assembling shaft, tightly pressing the side shaft into the outer ring, and installing the side shaft in place by abutting against the mold core; taking out the assembly shaft, turning the whole mounting tool for 180 degrees, penetrating the assembly shaft through the hole at the top of the body again and propping 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, and then propping against the mold core by the side shaft to be mounted in place, and taking out the assembly shaft;
4) and unscrewing the locking nut, sliding the mandrel forwards, taking the pressure lever out of a front end hole of the mandrel, and taking the outer ring with the side shafts on the two sides assembled out of the mold core, so that the installation work of the side shafts of the outer ring is completed.
8. An outer ring side shaft mounting method of an instrument according to claim 7, wherein: in the step 2), the coaxiality of the shaft hole of the outer ring and the shaft hole of the assembling shaft is less than or equal to 0.02mm after the assembling shaft props against the periphery of the outer ring.
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 true CN110815133A (en) | 2020-02-21 |
| CN110815133B 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110815133B (en) | 2024-01-19 |
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