CN208333348U - A kind of guide pin thread coaxiality cubing - Google Patents
A kind of guide pin thread coaxiality cubing Download PDFInfo
- Publication number
- CN208333348U CN208333348U CN201820928686.4U CN201820928686U CN208333348U CN 208333348 U CN208333348 U CN 208333348U CN 201820928686 U CN201820928686 U CN 201820928686U CN 208333348 U CN208333348 U CN 208333348U
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- guide pin
- cubing
- coaxiality
- wheel disc
- ontology
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Abstract
The utility model relates to a kind of guide pin thread coaxiality cubings, affiliated guide pin concentricity instruments of inspection technical field, including guide pin and coaxiality check fixture, coaxiality check fixture includes cubing ontology, it is in integrated connector that cubing ontology upper end, which is equipped with cubing ontology, the central through hole coaxial with cubing ontology is equipped in cubing ontology, the lower end of central through hole is equipped with the internal screw thread being mutually threadedly engaged with guide pin, internal screw thread extends along conical surface middle line direction, the internal diameter of conical surface middle line is gradually reduced from bottom to up, when the external thread section using the internal screw thread and guide pin is threadedly engaged, existing gap between being threadedly engaged can be effectively eliminated, the external thread section of central through hole and guide pin is coaxial, measure the concentricity between the periphery wall of cubing ontology and the outer circle smooth section of guide pin, it can be obtained same between outer circle smooth section and external thread section Axis degree, measurement accuracy can satisfy technical requirement on design, have the advantages that compact-sized, detection accuracy is high, easy to operate and accurate positioning.
Description
Technical field
The utility model relates to guide pin concentricity instruments of inspection technical fields, and in particular to a kind of guide pin threaded coaxial
Spend cubing.
Background technique
Guide pin includes outer circle smooth section and external thread section, and the concentricity between external thread section and outer circle smooth section requires
Reach 0.10mm, however, since there are gaps between screw thread, and the gap reaches 0.20mm or so, it is therefore, existing to use spiral shell
Line connects cubing to detect the mode of the concentricity between outer circle smooth section and external thread section, is not able to satisfy detection accuracy and wants
It asks.
Chinese patent CN201020623183.X, publication date are on March 27th, 2013, disclose a kind of thread coaxiality testing
Tool, the middle part of ontology are equipped with external screw thread, and both sides set that there are two cylindrical bodies.In use, two detected components are passed through
After the relationship of being threadedly engaged is sleeved on its ontology, the concentricity between two components is being detected.Though the thread coaxiality testing tool
So have the advantages that easy to operate, but there are large errors due to being threadedly engaged relationship itself, and need by clamp with
Resistance to sliding is threadedly engaged between guide pin, and there are the drags of clamp to cause the abrasion and oil consumption of brake block, because
And its detection accuracy cannot be guaranteed, and checkability is low.
Summary of the invention
It is low and examine slow-footed deficiency that the utility model mainly solves to exist in the prior art detection accuracy, provides one
Kind guide pin thread coaxiality cubing, has the advantages that compact-sized, detection accuracy is high, easy to operate and accurate positioning, solves
Detection accuracy is low and examines slow-footed problem.
Above technical problems of the utility model are mainly solved by the following technical scheme:
A kind of guide pin thread coaxiality cubing, including guide pin and coaxiality check fixture, the coaxiality check fixture include
Cubing ontology, it is in integrated connector that the cubing ontology upper end, which is equipped with cubing ontology, is set in the cubing ontology
There is the central through hole coaxial with cubing ontology, the lower end of the central through hole is equipped with the interior spiral shell being mutually threadedly engaged with guide pin
Line, the internal screw thread extend along conical surface middle line direction, and the internal diameter of the conical surface middle line is gradually reduced from bottom to up.
By the way that internal screw thread is arranged in the lower end of central through hole, and it is consistent that the middle line of internal screw thread is set to conical surface middle line, when
When being threadedly engaged using the external thread section of the internal screw thread and guide pin, existing gap between being threadedly engaged can be effectively eliminated, in
Heart through-hole and the external thread section of guide pin are coaxial, measure same between the periphery wall of cubing ontology and the outer circle smooth section of guide pin
Axis degree, can be obtained the concentricity between outer circle smooth section and external thread section, and measurement accuracy can satisfy technical requirement on design.
Preferably, the coaxiality check fixture outer end is equipped with the cubing base for fixing coaxial degree cubing, it is described
Several rolling bearings with the mutually movable socket of coaxiality check fixture, the cubing are equipped between coaxiality check fixture and cubing base
Base both ends are equipped with rear end cap and drive end bearing bracket for fixing coaxial degree cubing, are equipped with and connector phase on the outside of the rear end cap
The hand-held wheel disc of interlocking, the drive end bearing bracket outside are equipped with fixed plate, are uniformly provided between the drive end bearing bracket and fixed plate
Several springs, the fixed plate is interior to be equipped with the bar magnet fixed with guide pin phase magnetic force, and the bar magnet extends through fixed plate.
Hand-held wheel disc drives coaxiality check fixture to carry out opposite thread cooperation with guide pin in rolling bearing rotation.Bar magnet with
Guide pin fixing end has the port flange of guide-localization, and the displacement of guide pin pulls fixed plate during being threadedly engaged, and leads to
There is stuck phenomenon when crossing the pressing force prevention guide pin bias of spring seriously, influences the rate of detection.Rear end cap and drive end bearing bracket
The position-limiting action to coaxiality check fixture and rolling bearing is played, guarantees the stability of concentricity detection.
It socket-connects copper sheathing preferably, being equipped between the fixed plate and bar magnet with bar magnet, is set in the fixed plate
There are several long bolts with copper sheathing phase apical grafting, the long bolt is equipped with several holding rods.
Copper sheathing reduces abrasion when bar magnet fixes stress, and long bolt guarantees to connect between bar magnet and fixed plate for compressing copper sheathing
Connect the detection for not generating securely and loosening and influencing guide pin thread coaxiality.
Preferably, the hand-held wheel disc includes wheel disc outer ring, the outer ring outer wall of the wheel disc is equipped with wheel disc hand
Equipped with the connector slot being halved together with connector, the wheel disc outer ring and connector slot in the wheel disc outer ring
Between be uniformly provided with several arrangement connecting rods in a ring.
Hand-held wheel disc act on operator it is laborsaving it is time saving detect, improve working efficiency, reduce manpower consumption.
Preferably, the taper of the conical surface middle line is 0.01~0.015 degree.
When the external thread section of internal screw thread and guide pin is threadedly engaged, existing gap between being threadedly engaged can be effectively eliminated.
Preferably, the radial section of the connector is hexagon.
Coaxiality check fixture is driven to carry out rotary threaded cooperation to connector by connector, rotation tool is interchangeable
Type multiplicity, facilitates operator to select.
Preferably, the outer peripheral surface of the cubing ontology is cylindrical surface.
In order to guarantee coaxiality check fixture in process, control between cubing body outer wall and internal screw thread, central through hole
Coaxial accuracy size.
The utility model can reach following effect:
The utility model provides a kind of guide pin thread coaxiality cubing, compared with prior art, concentricity inspection
Tool have it is compact-sized, detection accuracy is high and easy to operate, it is at low cost and maintenance and it is easy to maintenance.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model.
Fig. 2 is the cross-sectional view of the coaxiality check fixture in the utility model.
Fig. 3 is the schematic top plan view of the coaxiality check fixture in the utility model.
Fig. 4 is the structural schematic diagram of the hand-held wheel disc in the utility model.
In figure: coaxiality check fixture 1, rear end cap 2, hand-held wheel disc 3, rolling bearing 4, cubing base 5, drive end bearing bracket 6, bullet
Spring 7, long bolt 8, holding rod 9, fixed plate 10, copper sheathing 11, bar magnet 12, guide pin 13, central through hole 14, connector 15, cubing sheet
Body 16, internal screw thread 17, conical surface middle line 18, wheel disc hand handle 19, connector slot 20, wheel disc outer ring 21, connecting rod 22.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: as shown, a kind of guide pin thread coaxiality cubing, guide pin 13 and coaxiality check fixture 1, concentricity
Cubing 1 includes cubing ontology 16, and the outer peripheral surface of cubing ontology 16 is cylindrical surface, and 16 upper end of cubing ontology is equipped with and cubing ontology 16
In integrated connector 15, the radial section of connector 15 is hexagon, is equipped in cubing ontology 16 same with cubing ontology 16
The central through hole 14 of axis, the lower end of central through hole 14 are equipped with the internal screw thread 17 being threadedly engaged with 13 phase of guide pin, 17 edge of internal screw thread
18 direction of conical surface middle line extend, the internal diameter of conical surface middle line 18 is gradually reduced from bottom to up, and the taper of conical surface middle line 18 is 0.012
Degree.1 outer end of coaxiality check fixture is equipped with the cubing base 5 for fixing coaxial degree cubing 1, coaxiality check fixture 1 and cubing base 5 it
Between be equipped with 2 and the rolling bearing 4 of the mutually movable socket of coaxiality check fixture 1,5 both ends of cubing base are equipped with for fixing coaxial degree
The rear end cap 2 and drive end bearing bracket 6 of cubing 1 are equipped with the hand-held wheel disc 3 being halved together with connector 15, hand-held wheel on the outside of rear end cap 2
Disk 3 includes wheel disc outer ring 21, and 21 outer wall of wheel disc outer ring is equipped with wheel disc hand handle 19, is equipped with and 15 phase of connector in wheel disc outer ring 21
The connector slot 20 of interlocking is uniformly provided with the connecting rod of several arrangements in a ring between wheel disc outer ring 21 and connector slot 20
22.It is equipped with fixed plate 10 on the outside of drive end bearing bracket 6,4 springs 7 are uniformly provided between drive end bearing bracket 6 and fixed plate 10, are set in fixed plate 10
There is the bar magnet 12 fixed with 13 phase magnetic force of guide pin, copper sheathing 11 is equipped between the fixed plate 10 and bar magnet 12, described consolidates
Several long bolts 8 with 11 phase apical grafting of copper sheathing are equipped in fixed board 10, long bolt 8 is equipped with several holding rods 9.
This to pin thread coaxiality cubing, by hand-held wheel disc 3 drive coaxiality check fixture 1 the rotation of rolling bearing 4 with
Guide pin 13 carries out opposite thread cooperation.Bar magnet 12 and 13 fixing end of guide pin have the port flange of guide-localization, in screw thread
The displacement of guide pin 13 pulls fixed plate 10 in engagement process, prevents guide pin 13 by the pressing force of spring 7 and bias occurs sternly
There is stuck phenomenon when weight, avoids the rate for influencing to detect.Rear end cap 2 and drive end bearing bracket 6 are played to coaxiality check fixture 1 and the axis of rolling
4 position-limiting action is held, guarantees the stability of concentricity detection.Internal screw thread 17 is set using in the lower end of central through hole, and will be interior
The middle line of screw thread 17 is set to conical surface middle line 18 unanimously, is threadedly engaged when using the internal screw thread 17 and the external thread section of guide pin 13
When, existing gap between being threadedly engaged can be effectively eliminated, central through hole 14 and the external thread section of guide pin 13 are coaxial, measurement inspection
Have the concentricity between the periphery wall of ontology 16 and the outer circle smooth section of guide pin 13, outer circle smooth section and external screw thread can be obtained
Concentricity between section, measurement accuracy can satisfy design requirement.
In conclusion being positioned by major diameter of thread, central diameter eliminates gap using taper form, and screw thread is protected using mill pin processing
Precision is demonstrate,proved, can solve the problems, such as that guide pin thread coaxiality measures.It is high and easy to operate with compact-sized, detection accuracy, at
This low and maintenance and advantage easy to maintenance.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned example embodiment, and
Without departing substantially from the essential characteristic of utility model, the utility model can be realized in other specific forms.Therefore nothing
By from the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, the scope of the utility model by
Appended claims rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes be embraced therein.It should not treat any reference in the claims as limiting related power
Benefit requires.
In short, the foregoing is merely specific embodiment of the utility model, but the structure feature of the utility model not office
It is limited to this, in the field of the utility model, made changes or modifications all cover in this reality any those skilled in the art
Among novel the scope of the patents.
Claims (7)
1. a kind of guide pin thread coaxiality cubing, it is characterised in that: described including guide pin (13) and coaxiality check fixture (1)
Coaxiality check fixture (1) include cubing ontology (16), cubing ontology (16) upper end be equipped with cubing ontology (16) be in one
The connector (15) of body, the cubing ontology (16) is interior to be equipped with the central through hole (14) coaxial with cubing ontology (16), institute
The lower end for the central through hole (14) stated is equipped with the internal screw thread (17) being mutually threadedly engaged with guide pin (13), the internal screw thread (17)
Extend along conical surface middle line (18) direction, the internal diameter of the conical surface middle line (18) is gradually reduced from bottom to up.
2. a kind of guide pin thread coaxiality cubing according to claim 1, it is characterised in that: the coaxiality check fixture
(1) outer end is equipped with the cubing base (5) for fixing coaxial degree cubing (1), the coaxiality check fixture (1) and cubing base
(5) several rolling bearings (4) with coaxiality check fixture (1) mutually movable socket, described cubing base (5) both ends are equipped between
Equipped with the rear end cap (2) and drive end bearing bracket (6) for being used for fixing coaxial degree cubing (1), it is equipped with and connection on the outside of the rear end cap (2)
The hand-held wheel disc (3) that head (15) is halved together, the drive end bearing bracket (6) outside are equipped with fixed plate (10), the drive end bearing bracket (6)
It is uniformly provided between fixed plate (10) several springs (7), the fixed plate (10) is equipped with and guide pin (13) phase magnetic force
Fixed bar magnet (12), the bar magnet (12) extend through fixed plate (10).
3. a kind of guide pin thread coaxiality cubing according to claim 2, it is characterised in that: the fixed plate (10)
It is equipped between bar magnet (12) and socket-connects copper sheathing (11) with bar magnet (12), several and copper sheathing is equipped in the fixed plate (10)
(11) long bolt (8) of phase apical grafting, the long bolt (8) are equipped with several holding rods (9).
4. a kind of guide pin thread coaxiality cubing according to claim 2, it is characterised in that: the hand-held wheel disc
It (3) include wheel disc outer ring (21), wheel disc outer ring (21) outer wall is equipped with wheel disc hand handle (19), the wheel disc outer ring
(21) the connector slot (20) being halved together with connector (15), the wheel disc outer ring (21) and connector slot are equipped in
(20) connecting rod (22) of several arrangements in a ring is uniformly provided between.
5. a kind of guide pin thread coaxiality cubing according to claim 1, it is characterised in that: the conical surface middle line
(18) taper is 0.01~0.015 degree.
6. a kind of guide pin thread coaxiality cubing according to claim 1, it is characterised in that: the connector (15)
Radial section be hexagon.
7. a kind of guide pin thread coaxiality cubing according to claim 1, it is characterised in that: the cubing ontology
(16) outer peripheral surface is cylindrical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820928686.4U CN208333348U (en) | 2018-06-15 | 2018-06-15 | A kind of guide pin thread coaxiality cubing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820928686.4U CN208333348U (en) | 2018-06-15 | 2018-06-15 | A kind of guide pin thread coaxiality cubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208333348U true CN208333348U (en) | 2019-01-04 |
Family
ID=64770905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820928686.4U Expired - Fee Related CN208333348U (en) | 2018-06-15 | 2018-06-15 | A kind of guide pin thread coaxiality cubing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208333348U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736415A (en) * | 2019-11-19 | 2020-01-31 | 眉山中车制动科技股份有限公司 | Tool and method for detecting coaxiality between workpiece central hole and bevel gear |
-
2018
- 2018-06-15 CN CN201820928686.4U patent/CN208333348U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736415A (en) * | 2019-11-19 | 2020-01-31 | 眉山中车制动科技股份有限公司 | Tool and method for detecting coaxiality between workpiece central hole and bevel gear |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20190615 |
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| CF01 | Termination of patent right due to non-payment of annual fee |