CN207104402U - A kind of fixture of the gauge hole of expansion ABS shaft couplings - Google Patents
A kind of fixture of the gauge hole of expansion ABS shaft couplings Download PDFInfo
- Publication number
- CN207104402U CN207104402U CN201720941589.4U CN201720941589U CN207104402U CN 207104402 U CN207104402 U CN 207104402U CN 201720941589 U CN201720941589 U CN 201720941589U CN 207104402 U CN207104402 U CN 207104402U
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- China
- Prior art keywords
- positioning
- mandrel
- shaft coupling
- fixture
- cover plate
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Abstract
The utility model belongs to the field of fixtures of machining, more particularly to a kind of fixture of the gauge hole of expansion ABS shaft couplings.The shaft coupling is provided with centre bore and bolt through-hole, including cover plate, mandrel and pin assembly, mandrel for installing shaft coupling is stretched into centre bore, and coordinate with stretching into the pin assembly in bolt through-hole to shaft coupling positioning, cover plate for pushing down shaft coupling, which moves down, promotes shaft coupling that centre bore inner face is bonded with mandrel upper surface, and locks the positioning states of the tight shaft coupling of cover plate fixing lock.The beneficial effects of the utility model are：By setting pin assembly and mandrel to position workpiece shaft coupling, and pass through cover plate workpiece pressing, it not only ensure that the fixed installation of workpiece, it is not easy to rock in process, and coordinate with the bolt through-hole of workpiece itself and centre bore and position, positioning precision is high, ensure that product quality, workpiece location and installation is simple to operate, improves processing efficiency.
Description
Technical field
The utility model belongs to the field of fixtures of machining, more particularly to a kind of gauge hole of expansion ABS shaft couplings
Fixture.
Background technology
As shown in figure 1, coupling product is allowed to for two axles (driving shaft and driven shaft) coupled in different institutions
It is common to rotate to transmit the machine components of moment of torsion.Therefore, excellent product quality be ensure its normal transmission work it is important according to
According to the position degree required precision to the gauge hole of product ABS shaft couplings is high.At present, the gauge hole on product ABS shaft couplings
It is that processing, but the product processed are coordinated by radial drill and drill jig, gauge hole position degree and changes greatly, does not reach figure
Paper requirement, qualification rate only have 40% or so, it is difficult to ensure crudy, production cost height.
Utility model content
In view of the above the shortcomings that prior art, the purpose of this utility model is to provide a kind of expansion ABS shaft couplings
The fixture of gauge hole, for solving, gauge hole Working position precision is low in the prior art, processing efficiency is low, poor product quality
The problems such as.
In order to achieve the above objects and other related objects, the utility model provides a kind of gauge hole of expansion ABS shaft couplings
Fixture, the shaft coupling is provided with centre bore and bolt through-hole, including cover plate, mandrel and pin assembly, joins for installing
The mandrel of axle device is stretched into centre bore, and is coordinated with stretching into the pin assembly in bolt through-hole to shaft coupling positioning, for pressing
Firmly the cover plate of shaft coupling, which moves down, promotes shaft coupling that centre bore inner face is bonded with mandrel upper surface, and locks cover plate fixing lock
The positioning states of tight shaft coupling.
The beneficial effects of the utility model are：By setting pin assembly and mandrel to position workpiece shaft coupling, and lead to
Cross cover plate workpiece pressing, not only ensure that the fixed installation of workpiece, be not easy to rock in process, and with workpiece itself
Bolt through-hole and centre bore coordinate positioning, and positioning precision is high, ensure that product quality, and workpiece location and installation is simple to operate,
Improve processing efficiency.
Further, the pin assembly includes the internal alignment pin for hollow structure, pacifies in the lower end of the alignment pin
Equipped with elastic parts, it is provided with the upper end of the alignment pin and is promoted for the positioning of bolt through-hole positioning, the elastic parts
The lower end that positioning is promoted is withstood, and adjusts to position by elastic parts and promotes the height for stretching out alignment pin upper surface.
Further, the positioning is promoted and is provided with backing pin, and the side wall of the alignment pin is provided with stopper slot, and backing pin stretches into
In stopper slot, and backing pin is limited by stopper slot and moves up and down scope.
Further, the elastic parts includes spring and adjustment plug screw, and the both ends of the spring are promoted respectively against positioning
And adjustment plug screw, rotate position of the adjustment plug screw adjustment spring in alignment pin.
Further, the upper end that the positioning is promoted is up-small and down-big frustum cone structure.
It is using the above-mentioned further beneficial effect of scheme：By setting alignment pin and positioning to promote, installation essence is improved
Degree, so as to improve the location and installation of workpiece, and set spring make it that positioning distribution can be with up and down, and limited by backing pin
The moving range that position is promoted is formulated, is advantageous to improve the scope of application of pin assembly, and positioning is promoted and bolt mistake
Hole is brought into close contact, and is accurately entered in bolt through-hole, improves positioning precision.
Further, its side of the lower end edge of the mandrel is extended installation portion, and the alignment pin is arranged on installation portion.
Further, cover plate and the mandrel face is set, and forms opposite pressure clamp coupling.
Further, the cover plate is close to spindle Lock by screw rod and nut and connect, and the lower end of the screw rod is arranged on mandrel
On, the upper end of the screw rod passes through cover plate, and rotating nut makes cover plate be moved along screw rod.
Further, the quantity of the pin assembly is two groups, and two groups of pin assemblies and mandrel are in angular distribution.
It is using the above-mentioned further beneficial effect of scheme：It is simple in construction, be connected firmly, positioning clamp easy to operate, work
Part clamps uniform force, is advantageous to the stable descending and pin assembly of workpiece and mandrel coordinates positioning, improve positioning precision.
Brief description of the drawings
Fig. 1 is the workpiece shaft coupling that the fixture positioning of the utility model embodiment clamps；
Fig. 2 is the top view of the fixture of the utility model embodiment；
Fig. 3 is the sectional view of A-A in the utility model Fig. 2；
Fig. 4 is the sectional view of B-B in the utility model Fig. 3.
Piece mark explanation
1 cover plate；
2 mandrels；
21 installation portions；
3 nuts；
4 screw rods；
5 shaft couplings；
51 centre bores；
52 bolt through-holes；
53 gauge holes；
6 positioning are promoted；
7 alignment pins；
71 stopper slots；
8 backing pins；
9 springs；
10 adjustment plug screws；
11 pins；
12 screws.
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the present utility model easily.
It should be clear that cited such as " on ", " under " in this specification, "left", "right", the term of " centre " and " one ", also
Only understanding for ease of narration, and be not used to limit the enforceable scope of the utility model, its relativeness is altered or modified,
In the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in figure 1, workpiece shaft coupling 5 itself is machined with centre bore 51 and bolt through-hole 53, it is necessary to processed sensor hole
The positioning for realizing workpiece is coordinated to clamp by fixture and centre bore 51 and bolt through-hole 53 when 53, to improve the processing of workpiece essence
Degree.
As shown in Figures 2 to 4, the fixture of the gauge hole of the expansion ABS shaft couplings of the present embodiment, including cover plate 1, mandrel 2
And pin assembly, the mandrel 2 for installing shaft coupling 5 are stretched into centre bore 51, mandrel 2 is determined with stretching into bolt through-hole 52
Position pin assemblies coordinate to be positioned to shaft coupling 5, and the cover plate 1 for pushing down shaft coupling 5, which moves down, promotes shaft coupling 5 to cause in centre bore 51
End face is bonded with the upper surface of mandrel 2, and locks the positioning states that cover plate 1 fixes locking shaft coupling 5.
As shown in Figures 2 to 4, its side of the lower end edge of mandrel 2 is extended installation portion 21, and pin assembly is arranged on installation
In portion 21, installation portion 21 and mandrel 2 can be fixed for the ladder rod structure of integral type, installation portion 21 by pin 11 and screw 12
On processing work platform mounted externally.Pin assembly includes the internal alignment pin 7 for hollow structure, and alignment pin 7 is fixedly mounted
On installation portion 21, installation accuracy is improved, elastic parts is installed in the lower end of alignment pin 7, is provided with the upper end of alignment pin 7
6 are promoted for the positioning that bolt through-hole 52 positions, the upper end that positioning promotes 6 is up-small and down-big frustum cone structure.Elastic parts top
Firmly 6 lower end is promoted in positioning, and is adjusted by elastic parts and positioned the height that the frustum cone structure for promoting 6 stretches out the upper surface of alignment pin 7
Degree.Wherein, elastic parts includes spring 9 and adjustment plug screw 10, and spring 9 is arranged in alignment pin 7, and the both ends of spring 9 are pushed up respectively
Firmly 6 and adjustment plug screw 10 are promoted in positioning, are rotated adjustment plug screw 10 and are adjusted position of the spring in alignment pin 7, i.e., by adjusting bullet
The compression degree of spring 9 positions the position for promoting 6 to adjust.Positioning is promoted and backing pin 8 is provided with 6, and backing pin 8 is arranged on positioning and promotes 6
Side wall on, the side wall of alignment pin 7 is provided with stopper slot 71, and backing pin 8 is stretched into stopper slot 71, and pass through stopper slot 71 limitation gear
Pin 8 moves up and down scope, is coordinated by stopper slot 71 and backing pin 8 and avoids positioning distribution 6 from departing from alignment pin in the presence of spring 9
7, while limitation positions the descending upper surfaces that are excessive and causing positioning distribution 6 of distribution 6 less than the upper surface of alignment pin 7 again, avoids
Positioning promotes 6, and to move down scope excessive and cannot be introduced into bolt through-hole 52 and shaft coupling 5 is positioned.Pushed away by spring 9, positioning
Pin 6, backing pin 8, stopper slot 71 coordinate so that positioning, which promotes 6, can move regulation within the specific limits, and positioning promotes 6 can be flexibly
It is mobile it is coordinated more closely with bolt through-hole 52, be advantageous to shaft coupling and promote 6 with mandrel 2 and positioning simultaneously during descending
Synchronous matching improves positioning precision.
As shown in Figures 2 to 4, mandrel 2, cover plate 1, shaft coupling 5 are centrally located on same axis, and cover plate 1 and mandrel 2 are just
To setting, and form pressure clamp coupling 5 in opposite direction so that the power that shaft coupling is subject to is uniform, and it is steady to be advantageous to shaft coupling
It is fixed mobile, improve positioning precision.Cover plate 1 is connected by screw rod 4 and nut 3 with the locking of mandrel 2, and the lower end of screw rod 4 is arranged on core
On axle 2, the upper end of screw rod 4 passes through cover plate 1, and rotating nut 3 makes cover plate 1 be moved along screw rod 4, until centre bore 51 inner face with
The upper surface of mandrel 2 is close to, and just shaft coupling 5 is locked.The quantity of pin assembly is two groups, two groups of pin assemblies with
Mandrel 2 is in angular distribution, allows shaft coupling to pass through two positioning distributions, a mandrel, a benchmark using angular distribution
Face (i.e. centre bore inner face is bonded with mandrel upper surface) realizes that three pins one side positions, and positioning precision is high.
Its course of work is：The centre bore 51 of shaft coupling 5 is first directed at mandrel 2, shaft coupling 5 is mounted on mandrel 2, rotation
Shaft coupling 5 so that the alignment positioning of bolt through-hole 52 of the both sides of gauge hole 53 promotes 6, promotes positioning by adjustment bolt 10
Insert bolt through-hole 52 in, then rotating nut 3 be cover plate 1 move down until the inner face of centre bore 51 be bonded with the upper surface of mandrel 2,
Now, the descending lower surface for withstanding stopper slot 71 of backing pin 8 on 6 is promoted in positioning, so as to realize the locating clip of workpiece shaft coupling 5
Tightly, extraneous process equipment operation processed sensor hole 53, cover plate 1 is unclamped after completing processing, rotating joint processes another sensing
Device hole or another workpiece of processing.
The utility model is by the way that clamp structure is simple, convenient mounting and clamping, and workpiece assembling fixed operation is simple, fast and easy, no
It is error-prone, and clamping accuracy height is positioned, product quality is improved, reduces production cost.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (9)
1. a kind of fixture of the gauge hole of expansion ABS shaft couplings, the shaft coupling are provided with centre bore and bolt through-hole, its feature
It is：Including cover plate, mandrel and pin assembly, the mandrel for installing shaft coupling is stretched into centre bore, and with stretching into bolt
Pin assembly in via coordinates to be positioned to shaft coupling, and the cover plate for pushing down shaft coupling, which moves down, promotes shaft coupling to cause center
Hole inner face is bonded with mandrel upper surface, and locks the positioning states of the tight shaft coupling of cover plate fixing lock.
A kind of 2. fixture of the gauge hole of expansion ABS shaft couplings according to claim 1, it is characterised in that：The positioning
Pin assemblies include the internal alignment pin for hollow structure, and elastic parts, the alignment pin are provided with the lower end of the alignment pin
Upper end in be provided with and promoted for the positioning of bolt through-hole positioning, the elastic parts withstands the lower end that positioning is promoted, and leads to
Cross elastic parts regulation positioning and promote the height for stretching out alignment pin upper surface.
A kind of 3. fixture of the gauge hole of expansion ABS shaft couplings according to claim 2, it is characterised in that：The positioning
Backing pin is installed, the side wall of the alignment pin is provided with stopper slot, and backing pin is stretched into stopper slot, and is limited by stopper slot in distribution
Backing pin processed moves up and down scope.
A kind of 4. fixture of the gauge hole of expansion ABS shaft couplings according to claim 2, it is characterised in that：The elasticity
Component includes spring and adjustment plug screw, and the both ends of the spring are promoted respectively against positioning and adjustment plug screw, rotate adjustment plug screw
Adjust position of the spring in alignment pin.
A kind of 5. fixture of the gauge hole of expansion ABS shaft couplings according to claim 2, it is characterised in that：The positioning
The upper end of distribution is up-small and down-big frustum cone structure.
A kind of 6. fixture of the gauge hole of expansion ABS shaft couplings according to claim 2, it is characterised in that：The mandrel
Its side of lower end edge it is extended have an installation portion, the alignment pin is arranged on installation portion.
A kind of 7. fixture of the gauge hole of expansion ABS shaft couplings according to claim 1, it is characterised in that：The cover plate
Set with mandrel face, and form opposite pressure clamp coupling.
A kind of 8. fixture of the gauge hole of expansion ABS shaft couplings according to claim 1, it is characterised in that：The cover plate
It is close to and is connect with spindle Lock by screw rod and nut, the lower end of the screw rod is arranged on mandrel, and the upper end of the screw rod passes through lid
Plate, and rotating nut makes cover plate be moved along screw rod.
A kind of 9. fixture of the gauge hole of expansion ABS shaft couplings according to claim 1, it is characterised in that：The positioning
The quantity of pin assemblies is two groups, and two groups of pin assemblies and mandrel are in angular distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941589.4U CN207104402U (en) | 2017-07-31 | 2017-07-31 | A kind of fixture of the gauge hole of expansion ABS shaft couplings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720941589.4U CN207104402U (en) | 2017-07-31 | 2017-07-31 | A kind of fixture of the gauge hole of expansion ABS shaft couplings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207104402U true CN207104402U (en) | 2018-03-16 |
Family
ID=61582550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720941589.4U Active CN207104402U (en) | 2017-07-31 | 2017-07-31 | A kind of fixture of the gauge hole of expansion ABS shaft couplings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207104402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157581A (en) * | 2020-09-14 | 2021-01-01 | 中航动力株洲航空零部件制造有限公司 | Planetary gear pin grinding fixture |
-
2017
- 2017-07-31 CN CN201720941589.4U patent/CN207104402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157581A (en) * | 2020-09-14 | 2021-01-01 | 中航动力株洲航空零部件制造有限公司 | Planetary gear pin grinding fixture |
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