CN109579653A - A kind of lengthening lever dial framework - Google Patents
A kind of lengthening lever dial framework Download PDFInfo
- Publication number
- CN109579653A CN109579653A CN201811462086.4A CN201811462086A CN109579653A CN 109579653 A CN109579653 A CN 109579653A CN 201811462086 A CN201811462086 A CN 201811462086A CN 109579653 A CN109579653 A CN 109579653A
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- CN
- China
- Prior art keywords
- rocker arm
- hole
- table bar
- lag
- hollow shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A kind of lengthening lever dial framework of the present invention belongs to machine tools design field.The dial framework is by adjusting screw (1), screw (2), mandrel (3), hollow shaft (4), table bar (5), pinching screw (6), rocker arm (7), adjusting screw (8), adjustment spring (9), bracket (10), dial gauge (11), supporting rod (12), dial gauge pinching screw (13), detachable bulb indicator (14) composition.The lengthening lever dial indicator frame feeds back the precision of part or fixture datum to dial gauge by using a set of simple and easy transmission mechanism, can complete that table contact on part or fixture can not touch complex profile conveniently, in high quality beats table centering, has expanded the application range of common dial gauge.
Description
Technical field
A kind of lengthening lever dial framework of the present invention belongs to machine tools technical field.
Background technique
In mechanical processing process, when requirement on machining accuracy is higher, parts fixation positioning has to pass through calibration centering, so that
The datum level of part or fixture and the feeding axis of lathe are parallel or vertical;Or with dial gauge centering Central of the parts axis with
Machine tool chief axis gyration central axis is coaxial, to guarantee the machining accuracy of part.For the part of some special constructions, such as have compared with
Deep step surface, inside groove etc., common lever dial gauge can not directly contact the surface for needing centering.The lengthening generally restructured is surveyed
Head rigidity is poor, causes centering trueness error larger.It, both can be deep it is therefore desirable to design a kind of lengthening lever dial indicator frame
Enter to contact the surface of part special construction, and every precision index on surface can be transmitted on dial gauge like clockwork.
Summary of the invention
The purpose of the present invention: providing a kind of lengthening lever dial indicator frame, can facilitate, complete part or fixture in high quality
What upper table contact can not touch complex profile beats table centering, has expanded the application range of common dial gauge.
Technical solution of the present invention: a kind of lengthening lever dial framework, the lengthening lever dial framework include mandrel (3), hollow shaft
(4), table bar (5), rocker arm (7), bracket (10), dial gauge (11),
Table bar (5) is rod-like structure, and one end is rectangular parallelepiped structure, perpendicular to the surface on a surface of cuboid
Cylindrical hole is offered, the axis for being axially perpendicular to mark post (5) of the cylindrical hole;
Bulb indicator (14) is vertebral body structure, the coaxially connected bulb indicator (14) on table bar (5) other end;
Hollow shaft (4) is cylinder-like structure, and the outer diameter of hollow shaft (4) is identical as the internal diameter of cylindrical hole of table bar (5),
The length of hollow shaft (4) is greater than the depth of table bar (5) cylindrical hole;
One end of rocker arm (7) has U-lag, and the corresponding position on the both sides of U-lag offers on diameter and table bar (5)
The identical through-hole of cylindrical hole diameter,
One end of the rectangular parallelepiped structure of table bar (5) is put into rocker arm (7) U-lag, and on table bar (5) cylindrical hole with
Through-hole on rocker arm (7) is coaxially opposite;
After the through-hole of hollow shaft (4) insertion rocker arm (7) U-lag, it is inserted into table bar (5) cylindrical hole, hollow shaft
(4) with the through-hole of rocker arm (7) U-lag, the cylindrical interference fit of table bar (5), rocker arm (7) and table bar (5) are connected to become one
It is whole;
Bracket (10) is the structure that one end has U-lag, and the corresponding position on the both sides of the U-lag offers diameter
Through-hole identical with cylindrical hole diameter on table bar (5);
Rocker arm (7) are put into one end that bracket (10) have U-lag with one end of U-lag, and guarantee the logical of rocker arm (7)
Hole is coaxially opposite with the through-hole of bracket (10);
Mandrel (3) is cylindric bar, and outer diameter is identical as the internal diameter of hollow shaft (4);Mandrel (3) are inserted into hollow shaft (4)
Inner hole;
Hole is offered in the other end of rocker arm (7), the lower end of dial gauge (11) has a rod-like structure, dial gauge (11)
Rod-like structure insertion rocker arm (7) other end hole in;
When bulb indicator (14) are swung, table bar (5), rocker arm (7) rotation, separate rocker arm (7) U-shaped of rocker arm (7) are driven
Slot one end drives the rod-like structure of dial gauge (11) to move up and down, and the pointer of dial gauge (11) indicates bulb indicator (14)
Displacement.
After hollow shaft (4), table bar (5), rocker arm (7) combination, after being put into bracket (10) left end U-lag, by mandrel (3)
It is inserted into the cylindrical hole of bracket (10) left end cylindrical hole force fit hollow shaft (4) again.Screw one (1) will be adjusted, adjust screw two
(2) two threaded hole of bracket (10) left end is screwed in respectively, and detachable bulb table can be corrected by screw one (1), adjusting screw two (2)
The offset of needle (14) bulb and supporting rod (12) axis
Tightness when by pinching screw (6), adjustable and table bar (5) along hollow shaft (4) rotation,
Whole adjusting screw three (8) is passed through adjustment spring (9) to be then passed through in rocker arm (7) right end plane after cylindrical hole, is screwed in
Bracket (10) right end threaded hole.By adjusting adjust screw three (8), adjustment spring (9), adjustable rocker arm (7) right end plane with
Dial gauge (11) bulb contact gap and pressure.
Detachable bulb indicator is easily changed.
Beneficial effects of the present invention:
1) rapidly and efficiently: the present invention can be in Complex Surface Part process;Complete common lever percentage or amesdial
The centering of the part or chucking surface that can not directly contact works, and saves and orders the program and expense of setting dedicated scale and tooling
With application prospect is extensive, and economic benefit is obvious.
2) manufacture is easy, at low cost, long service life.
3) multi-purpose content: selecting different table bars according to the size of surveyed part, be suitable for carry out seriation, standardization,
Mass production, can form scale benefit.
Detailed description of the invention:
Fig. 1 is a kind of lengthening lever dial framework decomposition diagram;
Fig. 2 is a kind of lengthening lever dial framework decomposition diagram;
Fig. 3 uses lengthening lever dial framework centering schematic diagram
Wherein, 1- adjust screw, 2- adjust screw, 3- mandrel, 4- hollow shaft, 5- table bar, 6- pinching screw, 7- rocker arm,
8- adjusts screw, 9- adjustment spring, 10- bracket, 11- dial gauge, and 12- supporting rod, 13- dial gauge pinching screw, 14- are detachable
Bulb indicator.
Specific embodiment:
The present invention is described in further detail with specific example with reference to the accompanying drawing.
It is as shown in Figure 1, Figure 2, Figure 3 shows: to lengthen in lever dial framework use process, when table bar bulb is contacted with workpiece and generates position
When shifting, table bar drives bracket to rotate along axis, and dial gauge is made to generate equivalent displacement.By adjust screw and spring adjust table bar and
The gap of bracket and dial gauge bulb guarantees the contact bulb that the displacement of table bar can be transmitted to dial gauge with 1: 1, when bulb and work
When part contacts and generates displacement, table bar drives bracket to rotate along axis, and dial gauge is made to generate equivalent displacement.
A kind of lengthening lever dial framework, including adjust screw (1), adjust screw (2), mandrel (3), hollow shaft (4), table bar
(5), pinching screw (6), rocker arm (7), adjusting screw (8), adjustment spring (9), bracket (10), dial gauge (11), supporting rod
(12), dial gauge pinching screw (13), detachable bulb indicator (14).It wherein adjusts screw (1) and adjusts screw (2) and bracket
(10) the threaded hole cooperation on, table bar (5) and rocker arm (7) pass through mandrel (3), hollow shaft (4), pinching screw (6) and bracket
(10) it connects, dial gauge (11) and supporting rod (12) are fixed on bracket (10), detachable bulb indicator (14) and table bar (5) spiral shell
Line connection,
The hole interference fit at hollow shaft (4) Yu rocker arm (7) end is paid attention to when assembling each component, interference 0.01-0.02mm will
Components above is put into mandrel (3) force fit hollow shaft (4) after the open slot of bracket (10) left end.Mandrel (3) and hollow shaft (4)
Interference fit, interference 0.01-0.02mm, mandrel (3) and bracket (10) left end interporal lacuna cooperate, gap 0.005-0.01mm.
It adjusts screw (8) to pass through adjustment spring (9) and pass through the hole of rocker arm (7) other end, passes through screw thread and bracket (10)
Connection.
Pass through the centering for adjusting screw (1), adjusting screw (2) adjustable bulb indicator (14) bulb and machine tool chief axis axis
Deviation and mandrel (3) end face and the end face contact gap for adjusting screw (1) and adjusting screw (2).
Dial gauge (11) is fixed on bracket (10) by dial gauge pinching screw (13), and dial gauge (11) can basis when use
Need direction of rotation.
Pinching screw (6) is connected with table bar (5), and tightness when table bar (5) are rotated along hollow shaft (4) is adjusted.
Claims (5)
1. a kind of lengthening lever dial framework, which is characterized in that the lengthening lever dial framework includes mandrel (3), hollow shaft (4), table bar
(5), rocker arm (7), bracket (10), dial gauge (11),
Table bar (5) is rod-like structure, and one end is rectangular parallelepiped structure, is opened up on a surface of cuboid perpendicular to the surface
There is cylindrical hole, the axis for being axially perpendicular to mark post (5) of the cylindrical hole;
Bulb indicator (14) is vertebral body structure, the coaxially connected bulb indicator (14) on table bar (5) other end;
Hollow shaft (4) is cylinder-like structure, and the outer diameter of hollow shaft (4) is identical as the internal diameter of cylindrical hole of table bar (5), hollow
The length of axis (4) is greater than the depth of table bar (5) cylindrical hole;
One end of rocker arm (7) has U-lag, and the corresponding position on the both sides of U-lag offers cylinder on diameter and table bar (5)
The identical through-hole of shape through-hole diameter,
One end of the rectangular parallelepiped structure of table bar (5) is put into rocker arm (7) U-lag, and cylindrical hole and rocker arm on table bar (5)
(7) through-hole on is coaxially opposite;
By hollow shaft (4) insertion rocker arm (7) U-lag through-hole after, be inserted into table bar (5) cylindrical hole, hollow shaft (4) with
Rocker arm (7) and table bar (5) are connected to become an entirety by the cylindrical interference fit of through-hole, table bar (5) of rocker arm (7) U-lag;
Bracket (10) is the structure that one end has U-lag, and the corresponding position on the both sides of the U-lag offers diameter and table
The identical through-hole of cylindrical hole diameter on bar (5);
By rocker arm (7) have U-lag one end be put into bracket (10) have U-lag one end, and guarantee rocker arm (7) through-hole with
The through-hole of bracket (10) is coaxially opposite;
Mandrel (3) is cylindric bar, and outer diameter is identical as the internal diameter of hollow shaft (4);By the interior of mandrel (3) insertion hollow shaft (4)
Hole;
Hole is offered in the other end of rocker arm (7), the lower end of dial gauge (11) has a rod-like structure, the bar of dial gauge (11)
Shape structure is inserted into the hole of rocker arm (7) other end;
When bulb indicator (14) are swung, table bar (5), rocker arm (7) rotation, separate rocker arm (7) U-lag one of rocker arm (7) are driven
End drives the rod-like structure of dial gauge (11) to move up and down, and the pointer of dial gauge (11) is the displacement for indicating bulb indicator (14)
Amount.
2. a kind of lengthening lever dial framework according to claim 1, it is characterised in that by hollow shaft (4), table bar (5), rocker arm
(7) after combining, after being put into bracket (10) left end U-lag, by mandrel (3) insertion bracket (10) left end cylindrical hole, force fit is empty again
The cylindrical hole of mandrel (4).Screw one (1) will be adjusted, adjust screw two (2) screw-in two threaded hole of bracket (10) left end respectively, led to
Cross screw one (1), adjusting screw two (2) can correct the offset of detachable bulb indicator (14) bulb Yu supporting rod (12) axis.
3. a kind of lengthening lever dial framework according to claim 1, it is characterised in that by pinching screw (6), it is adjustable with
Tightness when table bar (5) is rotated along hollow shaft (4).
4. a kind of lengthening lever dial framework according to claim 1, it is characterised in that pass through whole adjusting screw three (8) and adjust
Spring (9) is then passed through in rocker arm (7) right end plane after cylindrical hole, screws in bracket (10) right end threaded hole.By adjusting adjusting spiral shell
Follow closely three (8), adjustment spring (9), adjustable rocker arm (7) right end plane and dial gauge (11) bulb contact gap and pressure.
5. a kind of lengthening lever dial framework according to claim 1, it is characterised in that detachable bulb indicator is easily changed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811462086.4A CN109579653A (en) | 2018-11-30 | 2018-11-30 | A kind of lengthening lever dial framework |
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Application Number | Priority Date | Filing Date | Title |
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CN201811462086.4A CN109579653A (en) | 2018-11-30 | 2018-11-30 | A kind of lengthening lever dial framework |
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CN109579653A true CN109579653A (en) | 2019-04-05 |
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CN201811462086.4A Pending CN109579653A (en) | 2018-11-30 | 2018-11-30 | A kind of lengthening lever dial framework |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111102951A (en) * | 2019-12-25 | 2020-05-05 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Take spring sensor output rocking arm |
CN114322713A (en) * | 2021-12-30 | 2022-04-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Lever type inner hole measuring clamp |
Citations (8)
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FR876864A (en) * | 1941-03-12 | 1942-11-19 | Skf Svenska Kullagerfab Ab | Further training in measuring and calibration devices |
CN201532168U (en) * | 2009-09-29 | 2010-07-21 | 青特集团有限公司 | Differential case ball surface measuring and detecting tool |
CN202057264U (en) * | 2011-04-29 | 2011-11-30 | 大连冶金轴承股份有限公司 | Wind power generation bearing channel position measuring instrument |
CN102937406A (en) * | 2012-11-16 | 2013-02-20 | 徐州工业职业技术学院 | Shaft keyway symmetry measuring device |
CN203100645U (en) * | 2013-03-13 | 2013-07-31 | 上海飞华汽车部件有限公司 | Checking fixture for coaxial jumpiness of inner circle and outer circle of hollow shaft |
CN105180765A (en) * | 2015-09-07 | 2015-12-23 | 成都飞机工业(集团)有限责任公司 | Internal measuring lever type dial gauge combination boring machine alignment measuring tool |
CN204988093U (en) * | 2015-09-07 | 2016-01-20 | 成都飞机工业(集团)有限责任公司 | Internal diameter lever dial indicator corrector |
CN205808307U (en) * | 2016-07-01 | 2016-12-14 | 内江名正动力机械有限公司 | A kind of cylindricalo grinding measuring instrument |
-
2018
- 2018-11-30 CN CN201811462086.4A patent/CN109579653A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR876864A (en) * | 1941-03-12 | 1942-11-19 | Skf Svenska Kullagerfab Ab | Further training in measuring and calibration devices |
CN201532168U (en) * | 2009-09-29 | 2010-07-21 | 青特集团有限公司 | Differential case ball surface measuring and detecting tool |
CN202057264U (en) * | 2011-04-29 | 2011-11-30 | 大连冶金轴承股份有限公司 | Wind power generation bearing channel position measuring instrument |
CN102937406A (en) * | 2012-11-16 | 2013-02-20 | 徐州工业职业技术学院 | Shaft keyway symmetry measuring device |
CN203100645U (en) * | 2013-03-13 | 2013-07-31 | 上海飞华汽车部件有限公司 | Checking fixture for coaxial jumpiness of inner circle and outer circle of hollow shaft |
CN105180765A (en) * | 2015-09-07 | 2015-12-23 | 成都飞机工业(集团)有限责任公司 | Internal measuring lever type dial gauge combination boring machine alignment measuring tool |
CN204988093U (en) * | 2015-09-07 | 2016-01-20 | 成都飞机工业(集团)有限责任公司 | Internal diameter lever dial indicator corrector |
CN205808307U (en) * | 2016-07-01 | 2016-12-14 | 内江名正动力机械有限公司 | A kind of cylindricalo grinding measuring instrument |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111102951A (en) * | 2019-12-25 | 2020-05-05 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Take spring sensor output rocking arm |
CN114322713A (en) * | 2021-12-30 | 2022-04-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Lever type inner hole measuring clamp |
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Application publication date: 20190405 |