CN206794868U - A kind of hard alloy head fills knife mandrel - Google Patents
A kind of hard alloy head fills knife mandrel Download PDFInfo
- Publication number
- CN206794868U CN206794868U CN201720664859.1U CN201720664859U CN206794868U CN 206794868 U CN206794868 U CN 206794868U CN 201720664859 U CN201720664859 U CN 201720664859U CN 206794868 U CN206794868 U CN 206794868U
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- Prior art keywords
- oil
- mandrel
- oil pocket
- bolt
- hard alloy
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Abstract
The utility model discloses a kind of hard alloy head to fill knife mandrel, including：Oil pocket, regulating bolt, pressurization bolt, oil path jam, cylindrical hole is provided with inside described mandrel body one end, the cylindrical hole side wall is provided with expansion wall one, oil pocket one is formed by laser welding between the mandrel body and expansion wall one, the mandrel body peripheral side wall is provided with expansion wall two, oil pocket two is formed by laser welding between the mandrel body and expansion wall two, the mandrel body is provided with oil pocket three away from cylindrical hole one end, the outside of oil pocket one is provided with regulating bolt one, the outside of regulating bolt one, which is provided with, divides oil duct, regulating bolt two is provided with the outside of described point of oil duct, the described point of oil duct other end is provided with main oil gallery, the main oil gallery side is provided with pressurization bolt.The utility model is hydraulic buckling mandrel, and it has, and precision is high, chucking power is big, simple to operate, low manufacture cost, in addition, this mandrel both can be with clamping cylindrical milling cutter, can also the discoid milling cutter of clamping.
Description
Technical field
It the utility model is related to clamping tool for machine work technical field, more particularly to a kind of hard alloy head dress knife mandrel.
Background technology
Positioning core axle is largely used in enterprise, is the indispensable common tool of mechanical processing industry.Current product generally with
Fixed dimension cylindrical mandrel positioning, due between fixed central spindle and positioning hole because machining accuracy certainly exists gap；It is domestic
Generally coordinated outside with H7/g6 gaps and produced, under conditions of maximal clearance, gap is in 0.059mm, under the conditions of minimum clearance
0.01mm, due to the precision of process equipment, general gap is in 0.04mm.On this condition, blade radially occurs 0.08mm's
Bounce, the life-span of carbide chip can substantially reduce.Because face milling cutters typically belong to roughing, do not have to the use condition of cutter
There is special requirement, processing effect is not strict with.Because cutting-tool's used life is seldom gone pair under using field condition
Than even if cutter has very big bounce, cutter life reduces, and typically also will be considered that other reasonses cause, and will not suspect footpath
To the reason for bounce.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
It is to propose a kind of hard alloy head dress knife mandrel with a new purpose, this mandrel is hydraulic buckling mandrel, and it has essence
Degree rank is high, chucking power is big, rigidity is good, clamping moment of torsion biography is high, adaptability for working condition is strong, simple to operate, low manufacture cost；In addition,
This mandrel both can be with clamping cylindrical milling cutter, such as：Flat-end cutter, ball end milling cutter, drill bit etc., can also the discoid milling cutter of clamping,
Such as：Face and side cutter, metal saw etc., have better than the positioning core axle used now.
Knife mandrel is filled according to a kind of hard alloy head of the utility model embodiment, including：Mandrel body, sealing ring, knife
Handle main shaft, the mandrel body side is provided with handle of a knife main shaft, sealing ring is provided among the mandrel body and handle of a knife main shaft, described
Mandrel body is fixedly connected with handle of a knife main shaft with clamping screw, and the mandrel body includes：Oil pocket, regulating bolt, pressurization bolt,
Oil path jam, mandrel body one end inside are provided with cylindrical hole, and the cylindrical hole side wall is provided with expansion wall one, the mandrel
Oil pocket one is formed by laser welding between body and expansion wall one, the mandrel body peripheral side wall is provided with expansion wall two,
Oil pocket two is formed by laser welding between the mandrel body and expansion wall two, the mandrel body is set away from cylindrical hole one end
There is oil pocket three, the outside of oil pocket one is provided with regulating bolt one, and the outside of regulating bolt one, which is provided with, divides oil duct, described to divide oil duct
Oil path jam is provided with inside one end, it is described to divide oil duct outside to be provided with regulating bolt two, it is described to divide the oil duct other end to be provided with main oil
Road, described main oil gallery one end are provided with oil path jam, and the main oil gallery side is provided with pressurization bolt, the pressurization bolt bottom and oil
Chamber three is connected.
In some embodiments of the utility model, the oil pocket one, oil pocket two are annular shape.
In some embodiments of the utility model, the oil pocket three by main oil gallery, divide oil duct and oil pocket one, oil pocket two
Connection.
In some embodiments of the utility model, the regulating bolt one, the bottom of regulating bolt two are provided with cylindrical hole.
In some embodiments of the utility model, the regulating bolt one, regulating bolt two, oil path jam are provided with two altogether
Group, and be distributed on mandrel body central axial symmetry.
In some embodiments of the utility model, the main oil gallery, divide oil duct respectively with regulating bolt one, regulating bolt
2nd, oil path jam junction is provided with sealing ring, and the pressurization bolt is provided with sealing ring with the junction of oil pocket three.
In some embodiments of the utility model, the expansion wall one, expansion wall two use the bullet through Overheating Treatment
Spring steel is made.
In other embodiments of the present utility model, the mandrel body uses thermally treated hard alloy steel
Into.
The beneficial effects of the utility model：This mandrel in the presence of hydraulic coupling, is radially deformed using expansion wall
Size change over is realized to clamp the principle of workpiece, in whole clamping range, ringfeder can stablize one cylinder of holding
Expansion, chucking power is big, and rigidity is good, can transmit higher clamping moment of torsion and pass, and precision grade is high, while operating mode adapts to well
Property, easy operating characteristics；It is not required to peripheral equipment costly；Reduce the expense of equipment cost；In addition, this mandrel passes through
The rotation of regulating bolt, the flow direction of hydraulic oil in oil duct is controlled, change expansion wall one, the state of expansion wall two, make this core
Axle both can be with clamping cylindrical milling cutter, such as：Flat-end cutter, ball end milling cutter, drill bit etc., can also the discoid milling cutter of clamping, such as：Three
Face blade milling cutter, metal saw etc., the purpose of two kinds of use of a mandrel is realized, so as to so that processing factory's input cost.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of hard alloy head fill knife mandrel structural representation；
Fig. 2 be the utility model proposes a kind of hard alloy head fill knife mandrel SMIS shaft body structure sectional view；
Fig. 3 be the utility model proposes a kind of hard alloy head fill partial enlarged drawing in knife mandrel at A；
Fig. 4 be the utility model proposes a kind of hard alloy head fill knife mandrel clamping discoid milling cutter when regulating bolt open
Off status schematic diagram；
Fig. 5 be the utility model proposes a kind of hard alloy head fill knife mandrel in clamping cylindrical milling cutter when regulating bolt
On off state schematic diagram.
In figure：1- mandrels body, 2- sealing rings, 3- clamping screws, 4- handle of a knifes main shaft, 101- cylindrical holes, 102- expansion walls
First, 103 oil pockets one, 104- regulating bolts one, 105 oil path jams, 106 regulating bolts two, 107 expansion walls two, 108- oil pockets two,
109- divides oil duct, 110- main oil gallerys, 111- pressurization bolts, 112- oil pockets three.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.
The example of the embodiment is shown in the drawings, wherein same or similar label represents identical or class from beginning to end
As element or with same or like function element.The embodiments described below with reference to the accompanying drawings are exemplary, purport
For explaining the utility model, and it is not intended that to limitation of the present utility model.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on orientation shown in the drawings
Or position relationship, be for only for ease of description the utility model and simplify and describe, rather than instruction or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
Reference picture 1-2, a kind of hard alloy head fill knife mandrel, including：Mandrel body 1, sealing ring 2, handle of a knife main shaft 4, core
The side of shaft body 1 is provided with handle of a knife main shaft 4, and mandrel body 1 is with being provided with sealing ring 2, mandrel body and handle of a knife master among handle of a knife main shaft 4
Axle 4 is fixedly connected with clamping screw 3, and mandrel body 1 includes：Oil pocket, regulating bolt, pressurization bolt 111, oil path jam 105, core
Cylindrical hole 101 is provided with inside the one end of shaft body 1, the side wall of cylindrical hole 101 is provided with expansion wall 1, mandrel body 1 and expansion wall
Oil pocket 1 is formed by laser welding between one 102, the outer peripheral sidewall of mandrel body 1 is provided with expansion wall 2 107, mandrel sheet
Oil pocket 2 108 is formed by laser welding between body 1 and expansion wall 2 107, mandrel body 1 is provided with away from the one end of cylindrical hole 101
Oil pocket 3 112, the outside of oil pocket 1 are provided with regulating bolt 1, and the outside of regulating bolt 1, which is provided with, divides oil duct 109, point oil
Oil path jam 105 is provided with inside the one end of road 109, divides the outside of oil duct 109 to be provided with regulating bolt 2 106, divides the other end of oil duct 109 to set
There is main oil gallery 110, the one end of main oil gallery 110 is provided with oil path jam 105, and the side of main oil gallery 110 is provided with pressurization bolt 111, and pressurize spiral shell
The bottom of bolt 111 is connected with oil pocket 3 112, and oil pocket 1, oil pocket 2 108 are annular shape, and oil pocket 3 112 passes through main oil gallery
110th, oil duct 109 is divided to be connected with oil pocket 1, oil pocket 2 108, regulating bolt 1, the bottom of regulating bolt 2 106 are provided with circle
Post through hole, regulating bolt 1, regulating bolt 2 106, oil path jam 105 are provided with two groups altogether, and on the center of mandrel body 1
Axial symmetry is distributed, and main oil gallery 110, divides oil duct 109 to connect respectively with regulating bolt 1, regulating bolt 2 106, oil path jam 105
Meet place and be provided with sealing ring, pressurization bolt 111 is provided with sealing ring, expansion wall 1, expansion wall 2 107 with the junction of oil pocket 3 112
It is made of the spring steel through Overheating Treatment, mandrel body 1 is made of thermally treated hard alloy steel.
In the utility model, mandrel in the presence of hydraulic coupling, is radially deformed realizing that size becomes using expansion wall
The principle for clamping workpiece is brought, in whole clamping range, one cylinder of holding that ringfeder can be stablized expands, chucking power
Greatly, rigidity is good, can transmit higher clamping moment of torsion and pass, and precision grade is high, while good adaptability for working condition, easy behaviour
Make performance；It is not required to peripheral equipment costly；Reduce the expense of equipment cost；In addition, this mandrel passes through regulating bolt
Rotate, control the flow direction of hydraulic oil in oil duct, change expansion wall 1, the state of expansion wall 2 107, made this mandrel both
Can be with clamping cylindrical milling cutter, such as：Flat-end cutter, ball end milling cutter, drill bit etc., can also the discoid milling cutter of clamping, such as：Three faces
Blade milling cutter, metal saw etc., the purpose of two kinds of use of a mandrel is realized, so as to so that processing factory's input cost.
Embodiment or workflow：We take out mandrel in tool box first before clamping cutter, check that mandrel is
It is no to have the problems such as damaged, oil leak.As shown in figure 3, when the non-clamping cutter of mandrel, regulating bolt 1, regulating bolt 2 106
In open mode, oil duct 109 is divided to be connected respectively with oil pocket 1, oil pocket 2 108.
Such as Fig. 4, when we need the discoid milling cutter of clamping, first, and rotation regulating bolt 1 to closed mode, rotation
Turn regulating bolt 2 106 to opening, point oil duct 109 is not connected with oil pocket 1, divide oil duct 109 to connect with oil pocket 2 103
It is logical, then milling cutter is attached on mandrel, then turned clockwise pressurization bolt 111 with inner hexagon spanner, the liquid allowed in oil pocket 3 112
Press oil and flowed into oil pocket 2 108, hydraulic oil increase, the expansion wall 2 107 made expand laterally in oil pocket 2 108, so that will
Milling cutter is tightly clamped.
Equally, such as Fig. 5, when we need to fill cylindrical milling cutter, first, rotation regulating bolt 2 106 to closed mode,
Regulating bolt 1 is rotated to opening, point oil duct 109 is not connected with oil pocket 2 108, is divided oil duct 109 and oil pocket 1
Milling cutter, is then attached in mandrel inner circular post holes 101 by connection, then is turned clockwise pressurization bolt 111 with inner hexagon spanner, allows
Hydraulic oil in oil pocket 3 112 flows into oil pocket 1, in oil pocket 1 hydraulic oil increase, the expansion wall 1 made to
Lateral expansion, so as to which milling cutter tightly be clamped.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (8)
1. a kind of hard alloy head fills knife mandrel, including：Mandrel body, sealing ring, handle of a knife main shaft, it is characterised in that：The core
Shaft body side is provided with handle of a knife main shaft, and sealing ring, the mandrel body and knife are provided among the mandrel body and handle of a knife main shaft
Handle main shaft is fixedly connected with clamping screw, and the mandrel body includes：Oil pocket, regulating bolt, pressurization bolt, oil path jam, institute
State and cylindrical hole is provided with inside mandrel body one end, the cylindrical hole side wall is provided with expansion wall one, the mandrel body and expansion
Oil pocket one is formed by laser welding between wall one, the mandrel body peripheral side wall is provided with expansion wall two, the mandrel sheet
Oil pocket two is formed by laser welding between body and expansion wall two, the mandrel body is provided with oil pocket three away from cylindrical hole one end,
The outside of oil pocket one is provided with regulating bolt one, and the outside of regulating bolt one, which is provided with, divides oil duct, described to divide inside oil duct one end
It is described to divide oil duct outside to be provided with regulating bolt two provided with oil path jam, it is described to divide the oil duct other end to be provided with main oil gallery, the main oil
Road one end is provided with oil path jam, and the main oil gallery side is provided with pressurization bolt, and the pressurization bolt bottom is connected with oil pocket three.
A kind of 2. hard alloy head dress knife mandrel according to claim 1, it is characterised in that：The oil pocket one, oil pocket two
It is annular shape.
A kind of 3. hard alloy head dress knife mandrel according to claim 1, it is characterised in that：The oil pocket three passes through main oil
Road, oil duct is divided to be connected with oil pocket one, oil pocket two.
A kind of 4. hard alloy head dress knife mandrel according to claim 1, it is characterised in that：The regulating bolt one, adjust
Section bolt two bottom is provided with cylindrical hole.
A kind of 5. hard alloy head dress knife mandrel according to claim 1, it is characterised in that：The regulating bolt one, adjust
Save bolt two, oil path jam and be provided with two groups altogether, and be distributed on mandrel body central axial symmetry.
A kind of 6. hard alloy head dress knife mandrel according to claim 1, it is characterised in that：The main oil gallery, divide oil duct
Sealing ring is provided with regulating bolt one, regulating bolt two, oil path jam junction respectively, the pressurization bolt is connected with oil pocket three
Place is provided with sealing ring.
A kind of 7. hard alloy head dress knife mandrel according to claim 1, it is characterised in that：The expansion wall one, expansion
Wall two is made of the spring steel through Overheating Treatment.
A kind of 8. hard alloy head dress knife mandrel according to claim 1, it is characterised in that：The mandrel body is using warp
The hard alloy steel of heat treatment is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664859.1U CN206794868U (en) | 2017-06-08 | 2017-06-08 | A kind of hard alloy head fills knife mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720664859.1U CN206794868U (en) | 2017-06-08 | 2017-06-08 | A kind of hard alloy head fills knife mandrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206794868U true CN206794868U (en) | 2017-12-26 |
Family
ID=60745636
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720664859.1U Expired - Fee Related CN206794868U (en) | 2017-06-08 | 2017-06-08 | A kind of hard alloy head fills knife mandrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206794868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473081A (en) * | 2021-12-31 | 2022-05-13 | 安徽三山机械制造有限公司 | Ore machine gear surface treatment device |
-
2017
- 2017-06-08 CN CN201720664859.1U patent/CN206794868U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114473081A (en) * | 2021-12-31 | 2022-05-13 | 安徽三山机械制造有限公司 | Ore machine gear surface treatment device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20180608 |