CN108267057A - Cylinder deep hole bottom screw position degree detection device and method - Google Patents
Cylinder deep hole bottom screw position degree detection device and method Download PDFInfo
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- CN108267057A CN108267057A CN201711481959.1A CN201711481959A CN108267057A CN 108267057 A CN108267057 A CN 108267057A CN 201711481959 A CN201711481959 A CN 201711481959A CN 108267057 A CN108267057 A CN 108267057A
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- 238000001514 detection method Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 10
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- 238000009434 installation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
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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
- G01B5/004—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points
- G01B5/008—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points using coordinate measuring machines
Abstract
The present invention provides a kind of cylinder deep hole bottom screw position degree detection device and method, is related to detection technique field.The cylinder deep hole bottom screw position degree detection device includes：Positioning tube, positioning tube is split structure, positioning tube includes the first fixed part and the second fixed part positioned at its both ends, first fixed part is used for and the first endoporus clearance fit, second fixed part be used for the second endoporus clearance fit, positioning tube, which is provided with location hole and positioning tube, has the second fixed position in the second endoporus so that the location hole connected state coaxial with threaded hole；Positioning sleeve, positioning sleeve is corresponded with location hole, and positioning sleeve is used to be interference fitted with location hole, and positioning sleeve has third endoporus, when positioning sleeve and location hole are interference fitted, positioning sleeve be at least partially disposed in location hole and the axis of third endoporus and the axis collinear of threaded hole.The cylinder deep hole bottom screw position degree detection device can be detected workpiece to mass, and detection efficiency is high.
Description
Technical field
The present invention relates to detection technique fields, detect and fill in particular to a kind of cylinder deep hole bottom screw position degree
It puts and method.
Background technology
To meet practical set demand, machined part upper screwed hole generally has position degree requirement.Threaded hole position
Detection common method has：Three coordinate measuring machine detection method and position degree gauge detection method.Screw thread coordinate rule are screwed in and treat seizure of the thread
Kong Zhong, then tail portion polished rod is advised with three-dimensional coordinates measurement machine testing screw thread coordinate, so as to measure the practical axial location degree of screw thread indirectly,
Although this method precision is high, and adapts to large-scale workpiece and complicated hole series structure, there is stronger versatility, for large quantities of
Amount production, in this way, often not efficiently convenient enough, economy is bad.
Invention content
The purpose of the present invention is to provide a kind of cylinder deep hole bottom screw position degree detection device, the cylinder deep hole bottoms
Screw position degree detection device can be detected the threaded hole position of workpiece to mass, and detection efficiency is high, detection knot
Fruit is accurate.
Another object of the present invention is to provide a kind of threaded hole position detection method, the threaded hole position detection side
The easy to operate of method, testing result are accurate.
What the embodiment of the present invention was realized in：
A kind of cylinder deep hole bottom screw position degree detection device, is detected for the threaded hole position to workpiece,
The workpiece includes the first end and the second end that are oppositely arranged, and the inside of the workpiece has cavity, and the cavity is by institute
The end face for stating first end is extended in the second end, so that the workpiece forms the hollow structure of one end open, it is described
The opening connected with the cavity, at least portion of the cavity are equipped between the first end and the second end of workpiece
Point formed positioned at the first end the first endoporus and the second endoporus positioned at the second end, second endoporus it is remote
Side from the first end is provided with the threaded hole of the second endoporus connection, the cylinder deep hole bottom screw thread position
Degree of putting detection device includes：
Positioning tube, the positioning tube be split structure, the positioning tube include positioned at its both ends the first fixed part and
Second fixed part, first fixed part be used for the first endoporus clearance fit, second fixed part be used for it is described
Second endoporus clearance fit, the positioning tube is provided with location hole and the positioning tube has second fixed position in described
Second endoporus is so that the location hole connected state coaxial with the threaded hole；
Positioning sleeve, the positioning sleeve are corresponded with the location hole, and the positioning sleeve is used for and the location hole interference
Cooperation, the positioning sleeve have third endoporus, and when the positioning sleeve and location hole interference fit, the positioning sleeve is extremely
Small part is located at the axis collinear of the axis of the third endoporus and the threaded hole in the location hole；With
Measuring piece, the measuring piece is corresponded with the location hole and at least one end of the measuring piece is configured to and institute
The thread segment of corresponding threaded holes conjunction is stated, the thread segment has taper, and the small end of the thread segment diameter is with respect to its diameter
Compared with big end far from first fixed part, the measuring piece is used for across the location hole and the third endoporus with by the spiral shell
Line section is threadedly coupled with the threaded hole.
In optional embodiment of the present invention, the cylinder deep hole bottom screw position degree detection device further includes locating piece；
The inner wall formation of first endoporus is directed away from the first location structure of the axis direction recess of the workpiece, institute
The peripheral surface for stating the first fixed part forms the second location structure towards its inner recess, first location structure and described the
Two location structures form the located space of at least open at one end, and the locating piece is for being threaded through in the located space with by institute
Positioning tube is stated to be relatively fixed with the workpiece.
In optional embodiment of the present invention, first location structure and second location structure are semi-circular groove,
The locating piece is positioning pin, and two semi-circular grooves are configured to the located space with the positioning pin clearance fit.
In optional embodiment of the present invention, the inner wall formation of first endoporus is directed away from the axis direction of the workpiece
First location structure of recess, the peripheral surface of first fixed part form the second location structure towards its outer projection, institute
It states the first location structure and second location structure matches；Or
The inner wall of first endoporus forms the first location structure of the axis direction protrusion towards the workpiece, and described the
The peripheral surface of one fixed part forms the second location structure towards its inner recess, and first location structure and described second are determined
Bit architecture matches.
In optional embodiment of the present invention, the positioning tube includes：
First positioning tube, first fixed part are located at one end of first positioning tube, first positioning tube it is remote
One end from first fixed part is public notch；With
Second positioning tube, second positioning are same as first positioning tube and are separately set, and second fixed part is located at
One end far from first positioning tube of second positioning tube, separate second fixed part of second positioning tube
One end is female notch, and the shape of the male notch and female notch is trapezoidal, the male notch and mother's notch matching
It closes.
In optional embodiment of the present invention, second positioning tube is provided with observation window.
In optional embodiment of the present invention, the size of the small end central diameter of the thread segment is the pitch diameter of thread of the threaded hole
Minimum value, the maximum value of the size of the big end central diameter of the thread segment for the pitch diameter of thread of the threaded hole.
In optional embodiment of the present invention, the end face of one end far from the thread segment of the measuring piece is equipped with for work
Have the cubic handle of operation, the axis collinear of the axis and the measuring piece of the four directions handle.
In optional embodiment of the present invention, the measuring piece is screw rod.
The embodiment of the present invention also provides a kind of threaded hole position detection method, uses above-mentioned cylinder deep hole bottom screw thread
Position degree detection apparatus, the detection method include：
First fixed part of the positioning tube is packed into first endoporus of the workpiece and makes described first
The diametrically opposed workpiece of fixed part is fixed；
By at least part elastic conjunction of the positioning sleeve in the location hole of the positioning tube；
Adjust the positioning tube phase, and by the measuring piece be each passed through the positioning tube, the positioning sleeve so that its
The thread segment is screwed in the threaded hole；
Second fixed part of the positioning tube is put into second endoporus；
According to second fixed part of the positioning tube it is practical be put into situation judge the threaded hole position degree whether
Qualification, if can smoothly be put into, position degree is qualified, and otherwise position degree is unqualified.
The advantageous effect of the embodiment of the present invention is：The cylinder deep hole bottom screw position degree detection device it is rational in infrastructure,
It is highly practical, it suitable for producing in enormous quantities, is detected without workpiece is sent on three coordinate measuring machine, detection week is greatly shortened
Phase reduces testing cost, meets specific structure and particular detection demand, and testing result is intuitive, accurate.
Description of the drawings
It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structure diagram of workpiece for measurement provided in an embodiment of the present invention；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the use state diagram of detection device provided in an embodiment of the present invention；
Fig. 4 is the left view of Fig. 3；
Fig. 5 is the structure diagram of positioning tube in Fig. 3；
Fig. 6 is the sectional view of Fig. 5；
Fig. 7 is the structure diagram at another visual angle of Fig. 5；
Fig. 8 is the structure diagram of measuring piece in Fig. 3；
Fig. 9 is the structure diagram at another visual angle of Fig. 8；
Figure 10 is the sectional view of positioning sleeve in Fig. 3；
Figure 11 is the structure diagram of locating piece in Fig. 3.
Icon：1- workpiece；2- positioning tubes；3- measuring pieces；4- positioning sleeves；5- locating pieces；The first endoporus of 11-；In 12- second
Hole；13- threaded holes；The first location structures of 14-；21- cutting lines；The first fixed parts of 22-；The second fixed parts of 23-；25- location holes；
26- observation windows；The second location structures of 27-；28- first installs guide angle；29- second installs guide angle；31- thread segments；32- tetra-
Fang Bing；41- third endoporus；42- thirds install guide angle；43- the 4th installs guide angle；51- the 5th installs guide angle.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be configured to arrange and design with a variety of different.
Therefore, below the detailed description of the embodiment of the present invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiments obtained without creative efforts belong to the model that the present invention protects
It encloses.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the instructions such as term " on ", " under ", " vertical ", " interior ", " outer "
Orientation or position relationship be based on orientation shown in the drawings or position relationship or the invention product using when usually put
Orientation or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, term " first ", " second ", " third ", " the 4th ", " the 5th " etc. be only used for distinguish description, and it is not intended that instruction or
Imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally connect
It connects；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, can above-mentioned term be understood with concrete condition
Concrete meaning in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be on or below second feature
Be in direct contact including the first and second features, can also include the first and second features not be in direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature second spy
Right over sign and oblique upper is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature it
Under, lower section and fisrt feature included below immediately below second feature and obliquely downward or be merely representative of fisrt feature level height
Less than second feature.
Embodiment 1
The embodiment of the present invention provides a kind of cylinder deep hole bottom screw position degree detection device, the cylinder deep hole bottom screw thread
Position degree detection apparatus is used to be monitored the position degree of the threaded hole 13 of workpiece 1.
With reference to Fig. 1 and Fig. 2, wherein, the both ends of the workpiece 1 are respectively first end and the second end, and first end and
The second end is oppositely arranged, and first end and the second end are substantially cylindrical, in addition, the workpiece 1 forms the sky of open at one end
Chamber, and the cavity extends along the length direction of workpiece 1.
With reference to Fig. 1 and Fig. 2, wherein, cavity is extended to by the end face of first end in the second end so that workpiece 1 is formed
The hollow structure of one end open, the cavity can be understood as reducing hole, which at least forms the first endoporus in first end
11, the second endoporus 12 is formed close to the side of first end in the second end, the aperture of the first endoporus 11 is less than the second endoporus 12
Aperture, the axis collinear of the axis of the first endoporus 11 and the second endoporus 12, meanwhile, in the separate first end of the second endoporus 12
Side be provided with the threaded hole 13 connected with the second endoporus 12, and the cylinder deep hole bottom screw position degree detection device is used
In the position degree for detecting the threaded hole 13.The quantity of threaded hole 13 can be one, two or more, the present embodiment
In, the quantity of threaded hole 13 is two.
It should be noted that also opposite outer opens wide the part between 1 both ends of workpiece, and in other words, the first end of workpiece 1
Part between portion and the second end is provided with opening, which connects with cavity, i.e., between cavity both ends exist a part with
The external of workpiece 1 connects.
Refering to Fig. 3, specifically, which includes positioning tube 2, positioning sleeve 4, determines
Position part 5 and measuring piece 3.
In the present embodiment, for convenience of the installation of positioning tube 2, positioning tube 2 is preferably provided to split structure, i.e., by positioning tube
2 are divided into two and are divided into two sections, become two sections along its length.
With reference to Fig. 4 and Fig. 5, positioning tube 2 includes the first positioning tube and the second positioning tube, the first positioning tube and the second positioning tube
It is separately set, the first positioning tube is the epimere of positioning tube 2, and the second positioning tube is the hypomere of positioning tube 2.
One end of first positioning tube is equipped with the first fixed part 22, and the first positioning tube is substantially made of two sections of cylindrical-shaped structures,
First fixed part 22 is projected radially outwardly by one end of the first positioning tube to be formed, and the first fixed part 22 is matched with 11 gap of the first endoporus
It closes, clearance fit herein is slightly less than the first endoporus 11 for the first fixed part 22, and therefore, the first fixed part 22 is generally cylindrical
Structure, the other end of the first positioning tube are equipped with public notch.
Refering to Fig. 6, one end of the second positioning tube is equipped with the second fixed part 23, and the second positioning tube is substantially by two sections of cylindric knots
Structure is formed, 12 clearance fit of the second fixed part 23 and the second endoporus, and clearance fit herein is that the second fixed part 23 is slightly less than the
Two endoporus 12, therefore, the second fixed part 23 also substantially cylindrical structure, the other end of the second positioning tube be equipped with along its axial direction to
Female notch of sunken inside, male notch is adjacent with female notch and male notch is matched with female notch, in the present embodiment, male notch and mother
Notch is trapezoidal, and when its shape is trapezoidal, the two cooperation can eliminate side clearance, ensure the first positioning tube and the second positioning
Cylinder phase relation in a circumferential direction, being conducive to the later stage accurately detects, and certainly, the other end of the first positioning tube may also set up
Female notch, and in the public notch of other end setting of the second positioning tube.During processing, the male notch of wire cutting machine edge of bed can be used and cut with mother
Cutting line 21 between mouthful is cut, and ensure the even width of notch, to ensure that the first positioning tube and the second positioning tube fill
Divide and coincide, which can mark in advance.
Refering to Figure 10, specifically, the substantially cylindrical structure of positioning sleeve 4, positioning sleeve 4 has the connected with threaded hole 13
Three endoporus 41, wherein, the axis of third endoporus 41 and the axis collinear of threaded hole 13, and third endoporus 41 runs through 4 axis of positioning sleeve
To both ends.
Refering to Fig. 7, in the axial direction of positioning tube 2, positioning tube 2 has location hole 25, and the quantity of location hole 25 is according to screw thread
Depending on the quantity in hole 13, in the present embodiment, the quantity of location hole 25 is two, when positioning tube 2 is assemblied in the cavity of workpiece 1
When, two location holes 25 connect correspondingly with two threaded holes 13.
It is appreciated that the location hole 25 is through-hole, it is arranged on the second positioning tube and through the two of the second positioning tube axial direction
End, and the location hole 25 is connected with the inside of positioning tube 2.
In the present embodiment, positioning sleeve 4 is corresponded with location hole 25, correspondence herein, refers to the quantity of positioning sleeve 4 with determining
The quantity in position hole 25 is consistent, and the quantity of positioning sleeve 4 is two.
Since the shape of location hole 25 is cylinder, being generally shaped like for positioning sleeve 4 is cylindric, and positioning sleeve 4
It is at least partially disposed in the location hole 25 of the second fixed part 23, meanwhile, it is interference fit between positioning sleeve 4 and location hole 25,
So that 4 relative positioning hole 25 of positioning sleeve is fixed, in favor of the accuracy of detection in later stage.In addition, positioning sleeve 4 is solid close to first
The one end for determining portion 22 forms boss, and when positioning sleeve 4 is assemblied in location hole 25, which abuts with the second fixed part 23,
Refering to Fig. 8, in the present embodiment, measuring piece 3 is measures screw rod, and therefore, at least one end of the measuring piece 3 has screw thread
Section 31, which matches with threaded hole 13, and the quantity of measuring piece 3 is corresponded with the quantity of location hole 25, wherein, it should
Thread segment 31 has a taper, the small end of 31 diameter of thread segment with respect to its diameter relatively big end far from the first fixed part 22, measurement
Part 3 is used to across location hole 25 and third endoporus 41 thread segment 31 being threadedly coupled with threaded hole 13.
Wherein, minimum value of the size of the small end central diameter of thread segment 31 for the pitch diameter of thread of threaded hole 13, thread segment 31
Maximum value of the size of big end central diameter for the pitch diameter of thread of threaded hole 13, as a result, when measurement screw rod is screwed in tested threaded hole 13
When, the physical location of the tested axis of thread can be accurately positioned, so that the position degree to being tested in the full tolerance of the pitch diameter of thread can be realized
Accurate detection avoids position degree caused by tested pitch diameter of thread error from amplifying.
In the present embodiment, for 2 opposite piece 1 of positioning tube is caused to fix, it is directed away from the inner wall formation of the first endoporus 11
First location structure 14 of the axis direction recess of workpiece 1.
Referring to Fig.2, in the present embodiment, which is semi-circular groove.
With reference to Fig. 2 and Fig. 5, the peripheral surface of the first fixed part 22 forms the second location structure 27 towards its inner recess,
Second location structure 27 of the first fixed part 22, when positioning tube 2 is mounted in cavity, the second location structure 27 and the first positioning
Structure 14 is substantially symmetric, and when the first location structure 14 is semi-circular groove, then the second location structure 27 is also semi-circular groove, this
Sample, you can the located space that the first location structure 14 and the second location structure 27 form is threaded through by columned locating piece 5
Interior, the located space is substantially cylindrical, can may be that both ends are open with one end open, when it is one end open,
Its openend is located at upper end, so that locating piece 5 is inserted into, in other words, which can substantially be in through-hole or blind hole shape,
In, which can be used positioning pin.
In addition, the first location structure 14 and the second location structure 27 or other shapes, such as rectangular-shape, this
Respective change will also occur for sample, the shape of locating piece 5, as long as ensureing 5 and first location structure 14 of locating piece and the second positioning knot
The located space that structure 27 forms is adapted, in this way, the fixation between positioning tube 2 and workpiece 1 is more secured.
In some embodiments, the inner wall formation of the first endoporus 11 is directed away from the first of the axis direction recess of workpiece 1
Location structure 14, the peripheral surface of the first fixed part 22 form the second location structure 27 towards its outer projection, the first positioning knot
14 and second location structure 27 of structure matches；Or first endoporus 11 inner wall formed towards workpiece 1 axis direction protrusion
First location structure 14, the peripheral surface of the first fixed part 22 form the second location structure 27 towards its inner recess, and first is fixed
14 and second location structure 27 of bit architecture matches.It is different from the above embodiments, the first location structure 14 and second herein
Location structure 27 is not symmetrical relationship, but the relationship to cooperate, with the first location structure 14 of the first endoporus 11
For semi-circular groove, then the second location structure 27 of the peripheral surface of the first fixed part 22 is semicircular entity structure, should
Semicircular entity structure is matched with semi-circular groove, so as to it is also possible that 2 opposite piece 1 of positioning tube is fixed, prevent from positioning
The 22 diametrically opposed workpiece 1 of the first fixed part of cylinder 2 rotates.
With reference to Fig. 5, Figure 10 and Figure 11, in addition, the first positioning tube the first fixed part 22 far from the second positioning tube
The fascia edge of one end is equipped with the first installation guide angle 28, in separate first positioning tube of the second fixed part 23 of the second positioning tube
The edge of one end be equipped with the second installation guide angle 29, the numerical value that the first installation guide angle 28 and second installs guide angle 29 can be with
It it is 5 × 15 °, being equipped with third at the edge of one end far from the first positioning tube of positioning sleeve 4 installs guide angle 42, in third endoporus
The edge of 41 close first positioning tube is equipped with the 4th installation guide angle 43, and third installation guide angle 42 and the 4th installs guide angle
43 numerical value can be 3 × 15 °, and the end edge in 5 lower part of locating piece is equipped with the 5th installation guide angle 51, and the 5th installation is oriented to
The numerical value at angle 51 can be 5 × 15 °.Guide angle is mainly used for facilitating the mutual assembling between all parts.
In the present embodiment, observation window 26 is provided on the side wall of the second positioning tube, the quantity of observation window 26 is preferably two
A, two observation windows 26 are oppositely arranged, and the observation window 26 is corresponding with the opening of workpiece 1, can with the opening that will pass through workpiece 1
Observation window 26 is immediately seen, to observe the installation of locating piece 5 and measuring piece 3.
With reference to Fig. 8 and Fig. 9, in the present embodiment, the end face of one end of the separate thread segment 31 of measuring piece 3 is provided with four directions
Handle 32.
The four directions handle 32 is located at the medium position of one end end face of the separate thread segment 31 of measuring piece 3, which uses
In tool operation, so that tool is used to screw in the thread segment 31 of measuring piece 3 in threaded hole 13, wherein, operation instrument can be
Spanner etc..
To sum up, the cylinder deep hole bottom screw position degree detection device is rational in infrastructure, and detection efficiency is high, and testing result is accurate
Really, suitable for mass production.
Embodiment 2
The embodiment of the present invention also provides a kind of cylinder deep hole bottom screw position degree detection method, which is included such as
Lower step：
First fixed part 22 of positioning tube 2 is packed into the first endoporus 11 of workpiece 1 and makes the first fixed part by step S100
22 diametrically opposed workpiece 1 are fixed.
Step S200, by least part elastic conjunction of positioning sleeve 4 in the location hole 25 of positioning tube 2；
Step S300 adjusts 2 phase of positioning tube, and measuring piece 3 is each passed through positioning tube 2, positioning sleeve 4 so that its screw thread
Section 31 is screwed in threaded hole 13.
Second fixed part 23 of positioning tube 2 is put into the second endoporus 12 by step S400.
Step S500 is actually put into situation according to the second fixed part 23 of positioning tube 2 and judges that the position degree of threaded hole 13 is
No qualification, if can smoothly be put into, position degree is qualified, and otherwise position degree is unqualified.
Specific detection method can carry out in accordance with the following steps：The first fixed part 22 of positioning tube 2 is first packed into the first endoporus
In 11 and ensure that the first location structure 14 and the second location structure 27 are substantially aligned, and raise suitable distance, then by 4 mistake of positioning sleeve
Be full of in the location hole 25 for being assemblied in the second fixed part 23, after by assembly the opening by workpiece 1 of 4 and second fixed part 23 of positioning sleeve
Mouth is put into 1 cavity of workpiece for measurement, and the epimere of positioning tube 2 is then allowed, which to fall, makes male notch fully coincide with female notch, and it is fixed to finely tune
Position 2 phase of cylinder, meanwhile, positioning pin is filled in located space.Screw rod will be measured and be each passed through positioning tube 2, positioning sleeve 4, and make
Screw flight section 31 is measured to screw in threaded hole 13, after the second fixed part 23 of positioning tube 2 is fitted into the second endoporus 12, root
Situation, which is actually put into, according to the second fixed part 23 of positioning tube 2 can determine whether 13 position degree of threaded hole is qualified, if positioning tube 2
Second fixed part 23 is smoothly put into, then position degree is qualified, and otherwise position degree is unqualified.
Above-mentioned detection method operating process is easy as a result, conveniently moving, suitable for producing in enormous quantities, is sent without by workpiece 1
It is detected on to three coordinate measuring machine, detection cycle is greatly shortened, reduce testing cost, meet specific structure and specific inspection
Survey demand, testing result can really reflect the actual processing precision of workpiece 1, avoid taking point mode during three coordinate measurements and comment
Detection error caused by the deviation of valency method etc..
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of cylinder deep hole bottom screw position degree detection device carries out for threaded hole (13) position degree to workpiece (1)
Detection, the workpiece (1) include the first end and the second end that are oppositely arranged, and the inside of the workpiece (1) has cavity, institute
It states cavity to be extended in the second end by the end face of the first end, so that the workpiece (1) forms one end open
Hollow structure is equipped with the opening connected with the cavity between the first end and the second end of the workpiece (1),
Be at least a partially formed positioned at the first endoporus (11) of the first end and positioned at the second end the second of the cavity
Endoporus (12), the side far from the first end of second endoporus (12) are provided with the second endoporus (12) connection
The threaded hole (13), which is characterized in that the cylinder deep hole bottom screw position degree detection device includes：
Positioning tube (2), the positioning tube (2) are split structure, and the positioning tube (2) is fixed including being located at the first of its both ends
Portion (22) and the second fixed part (23), first fixed part (22) for the first endoporus (11) clearance fit, it is described
Second fixed part (23) for the second endoporus (12) clearance fit, the positioning tube (2) be provided with location hole (25) and
The positioning tube (2) has second fixed part (23) positioned at second endoporus (12) so that the location hole (12) and institute
State the coaxial connected state of threaded hole (13)；
Positioning sleeve (4), the positioning sleeve (4) and the location hole (25) correspond, the positioning sleeve (4) for it is described fixed
Position hole (25) is interference fitted, and the positioning sleeve (4) has third endoporus (41), when the positioning sleeve (4) and the location hole
(25) when being interference fitted, the positioning sleeve (4) be at least partially disposed in the location hole (25) and the third endoporus (41)
Axis and the threaded hole (13) axis collinear；With
Measuring piece (3), the measuring piece (3) is corresponded with the location hole (25) and at least one end of the measuring piece (3)
It is configured to that there is taper, the thread segment with the threaded hole (13) matched thread segment (31), the thread segment (31)
(31) small end of diameter is with respect to the relatively big end of its diameter far from first fixed part (22), and the measuring piece (3) is for wearing
The location hole (25) and the third endoporus (41) are crossed so that the thread segment (31) to be threadedly coupled with the threaded hole (13).
2. cylinder deep hole bottom screw position degree detection device according to claim 1, which is characterized in that the cylinder is deep
Bottom hole portion screw position degree detection device further includes locating piece (5)；
The inner wall formation of first endoporus (11) is directed away from the first location structure of the axis direction recess of the workpiece (1)
(14), first fixed part (22) peripheral surface formed towards its inner recess the second location structure (27), described first
Location structure (14) and second location structure (27) form the located space of at least open at one end, and the locating piece (5) is used
In being threaded through in the located space the positioning tube (2) and the workpiece (1) to be relatively fixed.
3. cylinder deep hole bottom screw position degree detection device according to claim 2, which is characterized in that described first is fixed
Bit architecture (14) and second location structure (27) are semi-circular groove, and the locating piece (5) is positioning pin, two described half
Circular trough is configured to the located space with the positioning pin clearance fit.
4. cylinder deep hole bottom screw position degree detection device according to claim 1, which is characterized in that in described first
The inner wall in hole (11), which is formed, is directed away from the first location structure (14) that the axis direction of the workpiece (1) is recessed, and described first
The peripheral surface of fixed part (22) forms the second location structure (27) towards its outer projection, first location structure (14) and
Second location structure (27) matches；Or
The inner wall of first endoporus (11) forms the first location structure of the axis direction protrusion towards the workpiece (1)
(14), first fixed part (22) peripheral surface formed towards its inner recess the second location structure (27), described first
Location structure (14) and second location structure (27) match.
5. cylinder deep hole bottom screw position degree detection device according to claim 2, which is characterized in that the positioning tube
(2) include：
First positioning tube, first fixed part (22) are located at one end of first positioning tube, first positioning tube it is remote
One end from first fixed part (22) is public notch；With
Second positioning tube, second positioning are same as first positioning tube and are separately set, and second fixed part (23) is located at
One end far from first positioning tube of second positioning tube, separate second fixed part of second positioning tube
(23) one end is female notch, and the shape of the male notch and mother's notch is trapezoidal, and the male notch is cut with the mother
Mouth matches.
6. cylinder deep hole bottom screw position degree detection device according to claim 5, which is characterized in that described second is fixed
Position cylinder is provided with observation window (26).
7. according to claim 1-6 any one of them cylinder deep hole bottom screw position degree detection devices, which is characterized in that institute
State minimum value of the size of the small end central diameter of thread segment (31) for the pitch diameter of thread of the threaded hole (13), the thread segment (31)
Big end central diameter size for the threaded hole (13) the pitch diameter of thread maximum value.
8. according to claim 1-6 any one of them cylinder deep hole bottom screw position degree detection devices, which is characterized in that institute
The end face for stating one end far from the thread segment (31) of measuring piece (3) is equipped with the cubic handle (32) for being used for tool operation, described
The axis of cubic handle (32) and the axis collinear of the measuring piece (3).
9. according to claim 1-6 any one of them cylinder deep hole bottom screw position degree detection devices, which is characterized in that institute
Measuring piece (3) is stated as screw rod.
10. a kind of threaded hole position detection method uses claim 1-9 any one of them cylinder deep hole bottom screw threads position
Degree of putting detection device, which is characterized in that the detection method includes：
First fixed part (22) of the positioning tube (2) is packed into first endoporus (11) of the workpiece (1) simultaneously
Make the diametrically opposed workpiece (1) of first fixed part (22) fixed；
By at least part elastic conjunction of the positioning sleeve (4) in the location hole (25) of the positioning tube (2)；
The positioning tube (2) phase is adjusted, and the measuring piece (3) is each passed through the positioning tube (2), the positioning sleeve
(4) so that its described thread segment (31) is screwed in the threaded hole (13)；
Second fixed part (23) of the positioning tube (2) is put into second endoporus (12)；
The position that situation judges the threaded hole (13) is actually put into according to second fixed part (23) of the positioning tube (12)
Whether degree of putting is qualified, if can smoothly be put into, position degree is qualified, and otherwise position degree is unqualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481959.1A CN108267057B (en) | 2017-12-29 | 2017-12-29 | Device and method for detecting position of bottom thread of cylindrical deep hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711481959.1A CN108267057B (en) | 2017-12-29 | 2017-12-29 | Device and method for detecting position of bottom thread of cylindrical deep hole |
Publications (2)
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| CN108267057A true CN108267057A (en) | 2018-07-10 |
| CN108267057B CN108267057B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711481959.1A Active CN108267057B (en) | 2017-12-29 | 2017-12-29 | Device and method for detecting position of bottom thread of cylindrical deep hole |
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| CN109238074A (en) * | 2018-10-30 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of rotary type cylinder head fuel oil hole position accuracy measuring device and its application method |
| CN110425966A (en) * | 2019-07-09 | 2019-11-08 | 苏州优力克流体控制科技有限公司 | A kind of novel UN screw measurement device |
| CN112378316A (en) * | 2020-09-25 | 2021-02-19 | 平高东芝（河南）开关零部件制造有限公司 | Inspection and correction tool for shielding ring assembly for insulating cylinder |
| CN113108666A (en) * | 2021-04-07 | 2021-07-13 | 常州宝菱重工机械有限公司 | Position measuring method for threaded mounting hole with orifice in deep hole |
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| CN113108666A (en) * | 2021-04-07 | 2021-07-13 | 常州宝菱重工机械有限公司 | Position measuring method for threaded mounting hole with orifice in deep hole |
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