CN104296629B - Taper empty avoiding type ejector sleeve inner hole length measuring device - Google Patents

Taper empty avoiding type ejector sleeve inner hole length measuring device Download PDF

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Publication number
CN104296629B
CN104296629B CN201410532220.9A CN201410532220A CN104296629B CN 104296629 B CN104296629 B CN 104296629B CN 201410532220 A CN201410532220 A CN 201410532220A CN 104296629 B CN104296629 B CN 104296629B
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measuring
empty avoiding
ejector sleeve
taper
type ejector
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CN201410532220.9A
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Chinese (zh)
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CN104296629A (en
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李芳�
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KUNSHAN MINAMAX PRECISION INDUSTRY Co Ltd
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KUNSHAN MINAMAX PRECISION INDUSTRY Co Ltd
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Abstract

The invention discloses a taper empty avoiding type ejector sleeve inner hole length measuring device which comprises a sliding block guiding seat, a measuring sliding block capable of moving relative to the sliding block guiding seat is arranged on the sliding block guiding seat, a measuring part fixing plate is fixedly arranged on the measuring sliding block, and a positioning block used for fixing a product is further fixedly arranged on the sliding block guiding seat. The measuring part fixing plate is provided with a measuring sleeve capable of being inserted into an inner hole of the product, an ejector pin is inserted in the measuring sleeve, the end, inserted in the inner hole, of the measuring sleeve is provided with at least one movable steel ball moving relative to the measuring sleeve, and the end, inserted in the measuring sleeve, of the ejector pin is in a conical shape. Due to the fact that the ejector pin with the taper is matched with the measuring sleeve with the end provided with the steel ball, when the ejector pin moves to the termination position of an effective cylindrical inner hole of an ejector sleeve along with the measuring sleeve, due to the fact that the hole diameter begins to become larger, the limitation on the ejector pin by the steel ball disappears, so that the position of the ejector pin relative to the measuring sleeve is changed, the taper empty avoiding section starting position of the taper empty avoiding type ejector sleeve is found out, and the effective length of the inner hole of the taper empty avoiding type ejector sleeve is accurately obtained.

Description

A kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance
Technical field
The present invention relates to a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance, belong to machining technology field.
Background technology
The endoporus effective length size detection mode of the taper empty avoiding type ejector sleeve now generally adopting is as follows: using a bar footpath The measurement round bar more monolateral greatly by 0.01 than the effective sector hole footpath of endoporus inserts from empty avoiding end 21, until continuing deeper into, measures slotting Enter length value " l1 ", then total long value " l " of ejector sleeve product inserts the algebraic step of segment length " l1 " with measurement round bar, then for department The proximity values of cylinder endoporus 22 effective length size value " l2 ", i.e. l2 ≈ l-l1;Specifically as shown in Figure 5.
This measuring method is disadvantageous in that: first, which need to make dimension according to different specifications Measurement round bar (specification includes diameter of bore and total length), cost wastes big;Second, measuring process is many, and finally separately need through Calculate and just can draw testing result, testing result is not directly perceived;3rd, as shown in figure 5, algebraic step " l-l1 " is proximity values, with reality Border is effectively long, and there is some difference, and when product empty avoiding section taper is less, this difference value is bigger.
Content of the invention
The technical problem to be solved is to provide a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance, passes through The pore size variation monitoring mechanism of this device, finds out the taper empty avoiding section starting point position of taper empty avoiding type ejector sleeve, and accurately draws The endoporus effective length size of taper empty avoiding type ejector sleeve.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance, including slider guide seat, described slider guide seat sets It is equipped with the measurement slide block that can move relative to it, described measurement slide block is fixedly installed measuring piece fixed plate, described slider guide Locating piece for fixing product is further fixedly arranged on seat;It is provided with pluggable described product in described measuring piece fixed plate Measuring unit in hole, is inserted with thimble in described measuring unit, one end that described measuring unit inserts internal control is provided with least one phase To its mobilizable steel ball, and one end of the described thimble described measuring unit of insertion is taper.
A kind of aforesaid taper empty avoiding type ejector sleeve endoporus length-measuring appliance it is characterised in that: described measuring piece fixed plate On be fixedly installed measuring unit and fix connecting rod, described measuring unit passes through described measuring unit to fix connecting rod, and described measuring unit is fixing even The adjustable force set in its position relatively is connected with bar, the other end of described thimble is also associated with the thimble through described force set It is provided with spring, the end of described thimble connecting rod is provided with thousand points between connecting rod, and described thimble connecting rod and force set Table.
A kind of aforesaid taper empty avoiding type ejector sleeve endoporus length-measuring appliance it is characterised in that: described locating piece and slide block Also it is disposed with lifting screw, lifting screw guide pad between guide holder, described lifting screw is provided with lift adjustment spiral shell Cap.
A kind of aforesaid taper empty avoiding type ejector sleeve endoporus length-measuring appliance it is characterised in that: the surface of described measuring unit It is provided with graduation mark, and the starting point of described graduation mark is the centre of sphere of described steel ball.
A kind of aforesaid taper empty avoiding type ejector sleeve endoporus length-measuring appliance it is characterised in that: described locating piece be V-shaped knot Structure, and top is provided with locating support, and described locating support is provided with product fixing screws.
A kind of aforesaid taper empty avoiding type ejector sleeve endoporus length-measuring appliance it is characterised in that: described measuring unit is fixing even It is to threaded between bar and force set.
A kind of aforesaid taper empty avoiding type ejector sleeve endoporus length-measuring appliance it is characterised in that: described amesdial pass through thousand Table fixed block and measurement table Positioning screw is divided to be arranged in described thimble connecting rod.
A kind of aforesaid taper empty avoiding type ejector sleeve endoporus length-measuring appliance it is characterised in that: the surface of described force set It is provided with slip-resistant texture.
A kind of aforesaid taper empty avoiding type ejector sleeve endoporus length-measuring appliance it is characterised in that: the quantity of described steel ball is Two, it is symmetricly set on described measuring unit.
The invention has the beneficial effects as follows: the measuring unit of steel ball is set by thimble cooperative end part with taper, when thimble with When measuring unit movement is to ejector sleeve effective cylindrical bore final position, because aperture starts to become big, steel ball disappears to the spacing of thimble Lose, so that the position that thimble relative measurement covers is changed, thus finding out the taper empty avoiding section starting point position of taper empty avoiding type ejector sleeve, from And accurately draw the endoporus effective length size of taper empty avoiding type ejector sleeve.
Brief description
Fig. 1 is a kind of structural representation of present invention taper empty avoiding type ejector sleeve endoporus length-measuring appliance;
Fig. 2 is a kind of fractionation schematic diagram of present invention taper empty avoiding type ejector sleeve endoporus length-measuring appliance;
Fig. 3 is a kind of sectional view of present invention taper empty avoiding type ejector sleeve endoporus length-measuring appliance;
Fig. 4 is the enlarged diagram of a in Fig. 3;
Fig. 5 is existing measuring method schematic diagram.
Specific embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
A kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance, including slider guide seat 1, on described slider guide seat 1 It is provided with the measurement slide block 2 that can move relative to it, described measurement slide block 2 is fixedly installed measuring piece fixed plate 3, described slide block Locating piece 7 for fixing product 20 is further fixedly arranged on guide holder 1;It is provided with pluggable in described measuring piece fixed plate 3 Measuring unit 14 in described product 20 endoporus 22, is inserted with thimble 13 in described measuring unit 14, described measuring unit 14 inserts internal control 22 one end is provided with least one its mobilizable steel ball 19 relatively, and described thimble 13 inserts one end of described measuring unit 14 For taper.Measuring unit is fixedly installed on described measuring piece fixed plate 3 and fixes connecting rod 5, described measuring unit 14 passes through described measurement The fixing connecting rod 5 of set, the fixing connecting rod 5 of described measuring unit is connected with the adjustable force set in its position 4 relatively, described thimble 13 another One end is also associated with the thimble connecting rod 11 through described force set 4, and arranges between described thimble connecting rod 11 and force set 4 There is spring 18, the end of described thimble connecting rod 11 is provided with amesdial 17.Measuring unit 14 is stretched in product 20 endoporus 22 Afterwards, by changing the position of the fixing connecting rod 5 of force set 4 relative measurement set, thimble connecting rod 11 is made to promote thimble 13 to be inserted into survey In amount set 14, until the pyramidal structure of thimble 13 end applies outside active force to steel ball 19, make steel ball and product 20 endoporus 22 wall contacts, make thimble 13 cannot move further along, now, by mobile amesdial 17 so as to measurement end touches force set 4, and returned to zero.Then promote measuring piece fixed plate 3 mobile to the taper empty avoiding section 21 of product by traverse measurement slide block 2, I.e. thimble 13 is with measuring unit 14 synchronizing moving, when the position movement of steel ball 19 is to ejector sleeve effective cylindrical bore final position, that is, During taper empty avoiding section starting point position, because aperture starts to become big, steel ball 19 starts to the position-limiting action of thimble 13 to disappear, and makes thimble 13 The position of relative measurement set changes, and that is, in the presence of spring 18, the position of thimble connecting rod 11 force set 4 relatively occurs Change, thus can cause the reading of amesdial 17 that change occurs.Therefore, when the promotion measurement taper empty avoiding section to product for the slide block 2 During 21 movement, when change in the reading of amesdial 17, that is, the position showing steel ball 19 is just in ejector sleeve effectively cylinder Hole final position, can accurately draw the endoporus effective length size of taper empty avoiding type ejector sleeve now by measurement.The present embodiment In, amesdial 17 passes through amesdial fixed block 12 and measurement table Positioning screw 16 is arranged in described thimble connecting rod 11.
And the surface of measuring unit 14 is provided with graduation mark in the present embodiment, and the starting point of described graduation mark is described steel ball 19 The centre of sphere, therefore, when amesdial 17 reading occur change when, taper empty avoiding type ejector sleeve can directly be read according to graduation mark Endoporus effective length size.
Also it is disposed with lifting screw 8, lifting screw guide pad 6, institute between described locating piece 7 and slider guide seat 1 State and lift adjustment nut 9 is provided with lifting screw 8, by adjusting the position of lift adjustment nut 9 OQ t screw rod 8, real The now regulation to locating piece 7 height is it is ensured that product 20 and measuring unit 14 are in sustained height.
Described locating piece 7 is V-shaped structure, and top is provided with locating support 10, and described locating support 10 is provided with product Product fixing screws 15, can preferably fix product 20, be easy to improve the precision of measurement.
It is to threaded between the fixing connecting rod 5 of described measuring unit and force set 4, two can be changed by rotating force set 4 The relative position of person, and under not having external force effect, both positions can keep constant.
The surface of described force set 4 is provided with slip-resistant texture, is easy to rotation urging set 4.The number of steel ball 19 in the present embodiment Measure as two, be symmetricly set on described measuring unit 14, be easy to preferably control the position of thimble 13 relative measurement set 14.
In sum, the invention provides a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance, by this device Pore size variation monitoring mechanism, finds out the taper empty avoiding section starting point position of taper empty avoiding type ejector sleeve, and accurately draws taper empty avoiding The endoporus effective length size of type ejector sleeve.
Ultimate principle, principal character and the advantage of the present invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not restricted to the described embodiments, the simply explanation present invention's described in above-described embodiment and description is former Reason, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes and improvements Both fall within scope of the claimed invention.Claimed scope is by appending claims and its equivalent Boundary.

Claims (9)

1. a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance it is characterised in that: include slider guide seat (1), described cunning The measurement slide block (2) that can move relative to it is provided with block guide holder (1), described measurement slide block (2) is fixedly installed measurement Part fixed plate (3), described slider guide seat (1) is further fixedly arranged on the locating piece (7) for fixing product (20);Described survey Measuring unit (14) in pluggable described product (20) endoporus (22), described measuring unit (14) are provided with amount part fixed plate (3) In be inserted with thimble (13), one end that described measuring unit (14) inserts endoporus (22) is provided with least one it is mobilizable relatively Steel ball (19), and one end of described thimble (13) the described measuring unit of insertion (14) is taper.
2. a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance according to claim 1 it is characterised in that: described survey The fixing connecting rod (5) of measuring unit is fixedly installed on amount part fixed plate (3), described measuring unit (14) passes through described measuring unit fixing even Bar (5), the fixing connecting rod (5) of described measuring unit is connected with the adjustable force set in its position (4) relatively, described thimble (13) another One end is also associated with the thimble connecting rod (11) through described force set (4), and described thimble connecting rod (11) and force set (4) Between be provided with spring (18), the end of described thimble connecting rod (11) is provided with amesdial (17).
3. a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance according to claim 2 it is characterised in that: described fixed Also it is disposed with lifting screw (8), lifting screw guide pad (6), described lifting between position block (7) and slider guide seat (1) Lift adjustment nut (9) is provided with screw rod (8).
4. a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance according to claim 3 it is characterised in that: described survey The surface of amount set (14) is provided with graduation mark, and the starting point of described graduation mark is the centre of sphere of described steel ball (19).
5. a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance according to claim 4 it is characterised in that: described fixed Position block (7) is V-shaped structure, and top is provided with locating support (10), described locating support (10) is provided with product and fixes spiral shell Nail (15).
6. a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance according to claim 5 it is characterised in that: described survey It is to threaded between the fixing connecting rod (5) of amount set and force set (4).
7. a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance according to claim 6 it is characterised in that: described thousand Table (17) is divided to be arranged on described thimble connecting rod (11) by amesdial fixed block (12) and measurement table Positioning screw (16).
8. a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance according to claim 7 it is characterised in that: described apply The surface of power set (4) is provided with slip-resistant texture.
9. a kind of taper empty avoiding type ejector sleeve endoporus length-measuring appliance according to claim 8 it is characterised in that: described steel The quantity of ball (19) is two, is symmetricly set on described measuring unit (14).
CN201410532220.9A 2014-10-11 2014-10-11 Taper empty avoiding type ejector sleeve inner hole length measuring device Active CN104296629B (en)

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Application Number Priority Date Filing Date Title
CN201410532220.9A CN104296629B (en) 2014-10-11 2014-10-11 Taper empty avoiding type ejector sleeve inner hole length measuring device

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CN104296629B true CN104296629B (en) 2017-01-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202304712U (en) * 2011-09-16 2012-07-04 宁波圣菲机械制造有限公司 Tool for measuring inner hole depth
CN102878899A (en) * 2012-09-24 2013-01-16 周佼 Device for measuring length of stepped hole inside deep hole
CN103575186A (en) * 2013-10-24 2014-02-12 贵州航天红光机械制造有限公司 Method for measuring inner diameter of stepped hole
CN103615957A (en) * 2013-12-11 2014-03-05 中国航空工业标准件制造有限责任公司 Measuring tool for measuring size of D-shaped head
CN204115608U (en) * 2014-10-11 2015-01-21 昆山名威精密工业有限公司 A kind of tapering empty avoiding type ejector sleeve endoporus length-measuring appliance

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202304712U (en) * 2011-09-16 2012-07-04 宁波圣菲机械制造有限公司 Tool for measuring inner hole depth
CN102878899A (en) * 2012-09-24 2013-01-16 周佼 Device for measuring length of stepped hole inside deep hole
CN103575186A (en) * 2013-10-24 2014-02-12 贵州航天红光机械制造有限公司 Method for measuring inner diameter of stepped hole
CN103615957A (en) * 2013-12-11 2014-03-05 中国航空工业标准件制造有限责任公司 Measuring tool for measuring size of D-shaped head
CN204115608U (en) * 2014-10-11 2015-01-21 昆山名威精密工业有限公司 A kind of tapering empty avoiding type ejector sleeve endoporus length-measuring appliance

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