CN208592405U - A kind of double tapered hydraulic expanding cover - Google Patents
A kind of double tapered hydraulic expanding cover Download PDFInfo
- Publication number
- CN208592405U CN208592405U CN201721628354.6U CN201721628354U CN208592405U CN 208592405 U CN208592405 U CN 208592405U CN 201721628354 U CN201721628354 U CN 201721628354U CN 208592405 U CN208592405 U CN 208592405U
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- Prior art keywords
- expansion set
- blind rivet
- short
- taper
- taper body
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- 238000009434 installation Methods 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000003801 milling Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011148 porous material Substances 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 5
- 230000008961 swelling Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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Abstract
The utility model patent discloses a kind of double tapered hydraulic expanding cover, including terminal pad and the taper body being connected in terminal pad, expansion set is connected on the taper body, blind rivet is provided at the axle center of taper body and expansion set, it is characterized by: being provided with short wimble structure on taper body, the short wimble structure of blind rivet is provided at the ailhead of blind rivet, expansion set both ends are provided with short taper hole, and the short taper hole after installing is corresponding with short wimble structure and the short wimble structure of blind rivet respectively, this hydraulic expanding cover is contacted with each other by the internal taper hole of the short wimble structure of blind rivet and expansion set on taper body and blind rivet, it is shorted by pull rod when pulling blind rivet and expansion set swells, stretching workpiece, the clamping to different pore size and thickness workpiece can be realized by change expansion set length or diameter, the utility model structure is suitable for vehicle, milling, mill, the multiplexings kind such as tooth processed, it is easy to operate, rule suitable for mass production Mould and can be used in different field, positioning accuracy is high, clamps secured, easy to operate, workpiece loading and unloading facilitate it is rapid.
Description
Technical field
The utility model patent is related to technical field of mechanical processing, especially it is a kind of it is being used on lathe, with inner hole be
The expansion set of machining benchmark, specifically a kind of double tapered hydraulic expanding cover.
Background technique
Currently, some workpiece need turnery processing to need with inner hole for clamping benchmark, and turning in field of machining
The processed position of workpiece on the basis of inner hole is relatively high relative to the position precision of datum hole, and processing beat is shorter, such as
The method that fruit is processed using common scroll chuck stretching inner hole of workpiece, it is necessary to by the stretching of three-jaw before every a collection of part processing
Position is from vehicle one time, to guarantee that claw working surface and main-shaft core are coaxial.The less positioning of the contact surface of three-jaw and workpiece and folder
Tightly it is not sufficiently stable.
Utility model content
For the problems of the prior art, the purpose of this utility model is to provide for a kind of utilization liquid used on lathe
Cylinder pressure is drawn the double tapered elastic expansion sleeve mandrel of the workpiece swelling or release on the basis of inner hole, especially position accuracy demand
The positioning used and the expansion set mandrel stepped up, that is to say double tapered hydraulic expanding cover, can not only use when relatively high, work pieces process
In turnery processing, it can also be used to which drilling and milling are ground, the multiplexings kind such as tooth processed.
In order to achieve the above object, the technical solution of the present invention is:
A kind of double tapered hydraulic expanding cover connects on the taper body including terminal pad and the taper body being connected in terminal pad
There is an expansion set, is provided with blind rivet at the axle center of taper body and expansion set, it is characterised in that: it is provided with short wimble structure on the taper body,
The short wimble structure of blind rivet is provided at the ailhead of the blind rivet, the expansion set both ends are provided with short taper hole, and the short taper hole after installation
It is corresponding with short wimble structure and the short wimble structure of blind rivet respectively.
Further, multiple elastic grooves are evenly equipped on the expansion set, expansion set is internally provided with three uniformly distributed hole inner openings
Slot.
Further, cylindrical structure and preceding cylindrical structure, described after the short wimble structure both ends on the taper body are respectively
End face adjustment ring is arranged on cylindrical structure afterwards, and the end face adjustment ring is connected by screw on the pedestal of taper body, end face
Adjustment ring is provided with expansion set positioning screw with respect to the side of expansion set, and the expansion set inner face abuts end face adjustment ring.
Further, the blind rivet tail portion is provided with pull rod short circuit, and accommodating pull rod is provided in the middle part of the terminal pad and is shorted
Cavity, pull rod, which is shorted, to be located in the cavity, and the side of the terminal pad towards taper body is provided with seam allowance, the taper body
Bottom end is placed in the seam allowance, and is fixed by taper body fixing bolt.
Further, the expansion set is provided with symmetrical with the expansion set centre of gyration on the inner face of proximal end face adjustment ring
Two side keyways, the side keyway is corresponding with the cylindrical screw head of expansion set positioning screw, for accommodate expansion set positioning spiral shell
The cylindrical screw head of nail.
Further, be provided with pulling block on the blind rivet at the ailhead, it is uniformly distributed there are three protrusion on pulling block, the protrusion and
It is corresponding that expansion set is internally provided with three uniformly distributed hole inner opening slots, and the blind rivet cylinder cooperated with taper body is provided on the blind rivet
Body.
Further, the taper of the short wimble structure on the taper body is 30 °.
Further, the taper of the short taper hole on the expansion set is 30 °.
Further, the taper of the short wimble structure of the blind rivet is 30 °.
Compared with prior art, the structure of double tapered hydraulic expanding cover provided by the utility model is unusual, this Hydraulic Expansion
Set is contacted with each other by the internal taper hole of the short wimble structure of blind rivet and expansion set on taper body and blind rivet, is shorted to pull by pull rod and be drawn
Expansion set is swollen when nail, stretching workpiece can be realized by change expansion set length or diameter to different pore size and thickness workpiece
Clamping.It that is to say, drawn by blind rivet, push away the axial movement of both direction, so that swelling or reducing expansion set, realize to workpiece
Inner hole quickly and accurately swelling or release.The utility model structure is suitable for vehicle, milling, grinds, the multiplexings kind such as tooth processed.This Hydraulic Expansion
Cover it is easy to operate, without training, scale suitable for mass production and can be used in different field.Its positioning accuracy is high, it is secured to clamp,
Easy to operate, workpiece loading and unloading facilitates rapid.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Attached drawing 1 is the assembling structure schematic diagram of this double tapered hydraulic expanding cover；
Attached drawing 2 is the structural schematic diagram of taper body in attached drawing 1；
Attached drawing 3 is expansion set structural schematic diagram in attached drawing 1；
Attached drawing 4 is the right view of attached drawing 3；
Attached drawing 5 is blind rivet structure schematic diagram in attached drawing 1；
Attached drawing 6 is the right view of attached drawing 5.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in the picture, a kind of double tapered hydraulic expanding cover, including terminal pad 1 and the taper body 8 being connected in terminal pad 1,
It is connected with expansion set 10 on the taper body 8, is provided with blind rivet 9 at taper body 8 and the axle center of expansion set 10, terminal pad 1 is used for the dress
It sets and is connected on lathe, expansion set 10 is connected in terminal pad 1, and then make expansion set 10 by taper body 8 for being arranged expansion set 10
Fixed on lathe spindle, taper body 8 plays the role of intermediate connection, is provided with short wimble structure 81 on the taper body 8,
The short wimble structure 92 of blind rivet is provided at the ailhead of the blind rivet 9,10 both ends of expansion set are provided with short taper hole 103, and after installation
Short taper hole 103 it is corresponding with short wimble structure 81 and the short wimble structure 92 of blind rivet respectively, embody its double tapered effect, about double tapered
Effect, will be described in more detail below.
Firstly, the side of terminal pad 1 towards taper body 8 is provided with seam allowance 11, the bottom of the taper body 8 about taper body 8
End is placed in the seam allowance 11, and fixed by taper body fixing bolt 84.81 both ends of short wimble structure difference on the taper body 8
For rear cylindrical structure 82 and preceding cylindrical structure 83, end face adjustment ring 5 is arranged on cylindrical structure 82 after described, and the end face adjusts
Ring 5 is connected by screw on the pedestal of taper body 8, and end face adjustment ring 5 is provided with expansion set positioning spiral shell with respect to the side of expansion set 10
Nail 7,10 inner face of expansion set abut end face adjustment ring 5.Described taper body 8 has one 30 ° short wimble structure 81 above, this
Angle is greater than angle of friction between steel and steel, is to expansion set 10 be made to be easily disengaged from the short of taper body 8 after pushing blind rivet 9 forward
81 conical surface of wimble structure is to unclamp workpiece.In design, by the thickness of end face adjustment ring 5, there are the adjustment amounts of 0.8mm, it is therefore an objective to
In order to make the relative position between expansion set 10 and taper body 8 reach perfect condition by the adjustment face for being ground end face adjustment ring 5,
Can by inner hole of workpiece swelling simultaneously again will not be crossed because of the displacement between expansion set 10 and taper body 8 ambassador's expansion set 10 by
It destroys.Cylindrical structure 83 before being provided with one section before short cone, in order to which the length for extending taper body 8 makes itself and blind rivet 9
Length of fit lengthen, guarantee have enough guiding performances to blind rivet 9.The excircle dimension of preceding cylindrical structure 83 is less than expansion set 10
Hole size, in order to will not rub at work with 10 inner hole of expansion set.
Secondly, being evenly equipped with multiple elastic grooves 102 on the expansion set 10 about expansion set 10, expansion set 10 is internally provided with three
Uniformly distributed hole inner opening slot 104.The expansion set 10 is provided on the inner face of proximal end face adjustment ring 5 with 10 centre of gyration of expansion set
Two symmetrical side keyways 101, the side keyway 101 is corresponding with 7 cylindrical screw head of expansion set positioning screw, is used for
Accommodate the cylindrical screw head of expansion set positioning screw 7.There are two to expansion set towards arrangement on the end face of end face adjustment ring 5 for expansion set 10
The symmetrical side keyway 101 of the centre of gyration, in order to by two side keyways 101 respectively be arranged in end face tune
The outer circle cooperation of 7 two cylindrical screw heads of expansion set positioning screw on 5 end face of the domain limits the phase between expansion set and taper body
To rotation.It that is to say two mutual clampings of fillister head screw outer circle in this side keyway 101 and end face adjustment ring 5, for preventing
Only expansion set 10 is rotated relative to taper body 8.The both ends for being provided with the expansion set 10 of elastic groove 102 are respectively arranged with short taper hole 103, institute
The taper for stating the short taper hole 103 on expansion set 10 is 30 °, in order to shorten expansion set 10 and cone in swelling or release expansion set 10
Spend the axial displacement between body 8.
Again, about blind rivet 9, blind rivet 9 is used for stretching expansion set 10, and 9 tail portion of blind rivet is provided with pull rod and is shorted 3, pull rod
The setting for being shorted 3 is that the sky that accommodating pull rod is shorted 3 is provided in the middle part of the terminal pad 1 in order to pull moving back and forth for blind rivet 9
Chamber, pull rod are shorted 3 and are located in the cavity, and the short wimble structure 92 of blind rivet is provided on 9 ailhead of blind rivet, the short wimble structure 92 of blind rivet
Taper is 30 °, is provided with pulling block 93 on the blind rivet 9 at ailhead, uniformly distributed there are three protrusion on pulling block 93, the protrusion with it is swollen
It is corresponding that set 10 is internally provided with three uniformly distributed hole inner opening slots 104, and the drawing cooperated with taper body 8 is provided on the blind rivet 9
Follow closely cylindrical body 91.There is the blind rivet cylindrical body 91 being slidably matched with taper body 8 in 9 left end of blind rivet, enables blind rivet 9 when being drawn, being pushed away
It is enough to be moved along 8 axis of taper body.9 right end of blind rivet is provided with the short wimble structure 92 of 30 ° of blind rivets, it is therefore an objective to blind rivet 9 when pulled
Expansion set 10 is swollen.Side on blind rivet 9 by the short wimble structure 92 of blind rivet is disposed with shifting block 93 uniformly distributed in the same plane, pulling block
Protrusion and three hole inner opening slots 104 on expansion set 10 are suitable to three protrusions respectively to just during installation for uniformly distributed protrusion on 93
After benefit is by three hole inner opening slots 104, blind rivet 9 is rotated 60 °, makes the protrusion on blind rivet 9 and the hole inner opening on expansion set 10
Slot 104 is staggered, and fixes its position with positioning screw 4, in order to blind rivet 9 by be shorted 3 promotion when blind rivet 9 on
The short wimble structure 92 of blind rivet is detached from the short taper hole 103 of expansion set 10, and the continuation of blind rivet 9 is pushed, and protrusion pushes expansion set 10 to move forward,
Short taper hole 103 in expansion set 10 is set to be detached from taper body 8, at this moment 10 outer circle of expansion set integrally reduces, so that workpiece be unclamped.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (9)
1. a kind of double tapered hydraulic expanding cover, including terminal pad (1) and the taper body (8) being connected on terminal pad (1), the taper body
(8) it is connected on expansion set (10), is provided with blind rivet (9) at the axle center of taper body (8) and expansion set (10), it is characterised in that: described
It is provided on taper body (8) short wimble structure (81), the short wimble structure of blind rivet (92) is provided at the ailhead of the blind rivet (9), it is described
Expansion set (10) both ends are provided with short taper hole (103), and the short taper hole (103) after installation is short with short wimble structure (81) and blind rivet respectively
Wimble structure (92) is corresponding.
2. a kind of double tapered hydraulic expanding cover according to claim 1, it is characterised in that: be evenly equipped on the expansion set (10) more
A elastic groove (102), expansion set (10) are internally provided with three uniformly distributed hole inner opening slots (104).
3. a kind of double tapered hydraulic expanding cover according to claim 1 or 2, it is characterised in that: short on the taper body (8)
Wimble structure (81) both ends are respectively rear cylindrical structure (82) and preceding cylindrical structure (83), are arranged on the rear cylindrical structure (82)
End face adjustment ring (5), and the end face adjustment ring (5) is connected by screw on the pedestal of taper body (8), end face adjustment ring (5)
The side of opposite expansion set (10) is provided with expansion set positioning screw (7), and expansion set (10) inner face abuts end face adjustment ring (5).
4. a kind of double tapered hydraulic expanding cover according to claim 1, it is characterised in that: blind rivet (9) tail portion is provided with
Pull rod is shorted (3), and the cavity that accommodating pull rod is shorted (3) is provided in the middle part of the terminal pad (1), and pull rod is shorted (3) and is located at the sky
In chamber, and the side of terminal pad (1) towards the taper body (8) is provided with seam allowance (11), and the bottom end of the taper body (8) is placed in this
In seam allowance (11), and it is fixed by taper body fixing bolt (84).
5. a kind of double tapered hydraulic expanding cover according to claim 3, it is characterised in that: the expansion set (10) leans on proximal end face tune
Two side keyways (101) symmetrical with expansion set (10) centre of gyration, the straight end-face key are provided on the inner face of the domain (5)
Slot (101) is corresponding with the cylindrical screw head of expansion set positioning screw (7), for accommodating the cylindrical spiral shell of expansion set positioning screw (7)
Ailhead.
6. a kind of double tapered hydraulic expanding cover according to claim 2, it is characterised in that: close to ailhead on the blind rivet (9)
Place is provided with pulling block (93), and uniformly distributed there are three protrusion on pulling block (93), the protrusion and expansion set (10) are internally provided with three and are evenly distributed with
Hole inner opening slot (104) it is corresponding, and the blind rivet cylindrical body (91) with taper body (8) cooperation is provided on the blind rivet (9).
7. a kind of double tapered hydraulic expanding cover according to claim 3, it is characterised in that: the short cone on the taper body (8)
The taper of structure (81) is 30 °.
8. a kind of double tapered hydraulic expanding cover according to claim 1, it is characterised in that: the short taper hole on the expansion set (10)
(103) taper is 30 °.
9. a kind of double tapered hydraulic expanding cover according to claim 1, it is characterised in that: the short wimble structure of blind rivet (92)
Taper is 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628354.6U CN208592405U (en) | 2017-11-29 | 2017-11-29 | A kind of double tapered hydraulic expanding cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628354.6U CN208592405U (en) | 2017-11-29 | 2017-11-29 | A kind of double tapered hydraulic expanding cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208592405U true CN208592405U (en) | 2019-03-12 |
Family
ID=65599204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721628354.6U Expired - Fee Related CN208592405U (en) | 2017-11-29 | 2017-11-29 | A kind of double tapered hydraulic expanding cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208592405U (en) |
-
2017
- 2017-11-29 CN CN201721628354.6U patent/CN208592405U/en not_active Expired - Fee Related
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Legal Events
| 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: 20190312 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |