CN106270600A - One rises core type location mandril - Google Patents
One rises core type location mandril Download PDFInfo
- Publication number
- CN106270600A CN106270600A CN201610749777.7A CN201610749777A CN106270600A CN 106270600 A CN106270600 A CN 106270600A CN 201610749777 A CN201610749777 A CN 201610749777A CN 106270600 A CN106270600 A CN 106270600A
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- China
- Prior art keywords
- axle
- core type
- section
- rises
- location mandril
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
- B23B31/4066—Gripping the work or tool by jaws moving radially controlled by conical surfaces using mechanical transmission through the spindle
Abstract
The invention discloses one to rise core type location mandril, belong to Machining Technology field.The core type that rises location mandril is that more piece rises core type location mandril, and being turned left from the right side by axle is connected with front end nut, pressure ring, front end elastic component, middle spring part, gland, circular cone, rear end elastic component, gland and rear end nut in turn；Described axle is revolving body, is made up of multistage cylindrical section, and axle two ends are equipped with centre bore, for being connected with lathe.The core type that rises location mandril is for hollow thin-wall slender shaft turning outer mold surface, cone is utilized to rise the heart and elastic deformation principle, it is nested in hollow thin-wall slender axles by the core type location mandril that will rise, not only eliminate the gap, location during hollow thin-wall slender shaft turning outer mold surface, and solve hollow thin-wall Turning of Slender Shaft, grinding outer mold surface is difficult to the difficult problem that processing ensures, the core type that rises location mandril is easy to operate, and location is reliable, novel structure, it is ensured that the processing request of thin-wall long and thin axle.
Description
Technical field
The invention belongs to Machining Technology, relate to one and rise core type location mandril.
Background technology
Conduit is one of aircraft engine parts, for hollow thin-wall slender axles, its wall thickness between 1.5～2.5mm, endoporus
Diameter is between Φ 90～Φ 130mm, and length is between 800～1100mm, by lathe, grinding machine processing external form.Certain h type engine h
Conduit is as it is shown in figure 1, be hollow thin-wall slender axles, and wall thickness is 1.5mm, and diameter of bore is φ 109mm, a length of 827mm, divides 2
Procedure turning, grinding outer mold surface, need to design a set of location mandril and meet two procedures processing, outer mold surface after processing
Between concentricity be Φ 0.1 (free state), owing to thin-wall part processing technology is poor, yielding, concentricity Φ 0.1 is (freely
State) for hollow thin-wall slender axles, machining accuracy is the highest, and its bearing tolerances is relatively big, axial length, uses fixed whole at present
Body plug, part processing precision it is difficult to ensure that, clamping is the most relatively difficult, easily produces gap, location, and hollow thin-wall is elongated
Axle turning, grinding outer mold surface are difficult to processing, and difficult quality is guaranteed.
Summary of the invention
In order to solve the problem that prior art exists, the invention provides one and rise core type location mandril, described in rise core type
Location mandril is used for hollow thin-wall slender shaft turning outer mold surface, between location when eliminating hollow thin-wall slender shaft turning outer mold surface
Gap, solution hollow thin-wall Turning of Slender Shaft, grinding outer mold surface are difficult to the difficult problem that processing ensures.
In order to achieve the above object, the technical solution used in the present invention is as follows:
One rises core type location mandril, described in the core type location mandril that rises be that more piece rises core type location mandril, including axle 1, logical
Cross axle 1 turn left from the right side be connected with in turn front end nut 2, pressure ring 3, front end elastic component 4, middle spring part 5, gland 6, circular cone 7,
Rear end elastic component 8, gland 9 and rear end nut 10；Described axle 1 is revolving body, is made up of multistage cylindrical section, and axle 1 two ends are equipped with
Centre bore, for being connected with lathe.
Further, described axle 1 is made up of 6 sections of cylindrical sections, turns left from the right side and is followed successively by axle 1a section, axle 1b section, axle 1c section, axle
1d section, axle 1f section, axle 1g section.
Further, described axle 1a section and axle 1g section surface are provided with screw thread；Axle 1b section and axle 1f section are the face of cylinder；Axle 1d
Section be outer conical surface, with middle spring part 5 with the use of.
Further, described front end nut 2 shape is identical with state marker tape shoulder hex nut, the shoulder of front end nut 2 and pressure
Ring 3 right-hand member matched in clearance, is threaded connection with axle 1a section；Described rear end nut 10 shape is identical with GB hex nut, with
Axle 1g section is threaded connection.
Further, described pressure ring 3 and axle 1b section matched in clearance, pressure ring 3 one end is cone, and the other end is round platform, circle
Step arc groove, the shoulder of front end nut 2 and pressure ring 3 step arc groove matched in clearance it is provided with at half cylinder of platform right-hand member；Pressure ring 3
Outer conical surface tapering is 20 °.
Further, described front end elastic component 4 endoporus is inner conical surface, and tapering is 20 °, coordinates with pressure ring 3；Front end elastic component
4 outer surfaces are the face of cylinder and hollow thin-wall slender axles inwall matched in clearance；The two ends of front end elastic component 4 are the most also respectively provided with
5 groups of uniform grooves；Described middle spring part 5, rear end elastic component 8 are identical with front end elastic component 4 structure, with hollow thin-wall slender axles
Inwall matched in clearance, described middle spring part 5 and rear end elastic component 8 are further opened with hole at the small end of internal conical surface.
Further, described front end elastic component 4, middle spring part 5 and rear end elastic component 8 material are spring steel 65Mn.
Further, described gland 6 is Step Shaft, and middle endoporus and axle 1 matched in clearance, big axial end withstands on middle spring
The left side of chuck 5, little axial end is fitted with circular cone 7；Described circular cone 7 is cylindrical cone, empty set on axle 1, big end with
Axle 1f section matched in clearance, small end is threaded connection with axle 1g section, and small end face is uniformly distributed with boss at 4 along the circumference；Circular cone 7 outer cone
Face cone degree is 20 °, with rear end elastic component 8 with the use of；Described gland 9 is circular, and empty set is at axle 1g section, one end and rear end bullet
Property part 8 connect, one end connects with rear end nut 10, the external diameter of described gland 9 be less than hollow thin-wall slender axles diameter of bore.
Further, also including the box spanner 11 for operating circular cone 7 motion, described box spanner 11 is by movable hand
Handle and driving end composition, driving end is hollow axle, and its external diameter is straight less than the little stomidium of the internal conical surface of rear end elastic component 8
Footpath, right side is provided with groove corresponding with circular cone 7 small end face lug boss position at 4, with circular cone 7 matched in clearance.
Further, described in the core type location mandril that rises be that 3 joints rise core type location mandril, be mainly used in hollow thin-wall slender axles
Processing outer mold surface, described in the core type location mandril that rises be nested in hollow thin-wall slender axles.
Beneficial effect:
Compared with prior art, the one that the present invention provides rises core type location mandril, is nested in hollow thin-wall slender axles,
By multistage cylindrical section axle 1 and front end nut 2, pressure ring 3, front end elastic component 4, middle spring part 5, gland 6, circular cone 7, rear end
Elastic component 8, gland 9 and rear end nut 10 cooperate, and utilize the rise heart and elastic deformation principle of cone to utilize and achieve locating core
Rod merogenesis is installed and is accurately positioned hollow thin-wall slender axles.
Further, first turn clockwise front end nut 2, drives pressure ring 3 to left movement, makes front end elastic component 4 occur
Elastic deformation, tensioner hollow thin-wall slender axles endoporus；The flexible handle of turnbarrel spanner 11, makes circular cone 7 the most counterclockwise
Move right, promote gland 6 to make middle spring chuck 5 that elastic deformation, tensioner hollow thin-wall slender axles endoporus to occur；The last inverse time
End nut 10 after pin rotation, makes rear end nut 10 move right, and promotes gland 9 to make rear end collet 8 that elastic deformation to occur, rises
Tight hollow thin-wall slender axles endoporus, completes 3 joints and rises the heart.Eliminate the gap, location during hollow thin-wall slender shaft turning outer mold surface, solve
Hollow thin-wall Turning of Slender Shaft, the grinding outer mold surface of having determined is difficult to the difficult problem that processing ensures, described in the core type location mandril that rises process
Conduit concentricity be 0.05-0.1mm
In sum, the one of the present invention core type location mandril that rises is easy to operate, and location is reliable, novel structure, it is ensured that thin
The processing request of wall slender axles.
Accompanying drawing explanation
Fig. 1 is guide-tube structure schematic diagram；
Fig. 2 is present configuration schematic diagram；
Fig. 3 is the assembling structure sectional view of barrel spanner of the present invention and circular cone；
Fig. 4 is middle shaft structure schematic diagram of the present invention；
Fig. 5 is front end nut structural representation in the present invention；
Fig. 6 is ring structure schematic diagram of the present invention；
Fig. 7 is front end of the present invention collet structural representation, and wherein, (a) is left view, and (b) is side view；
Fig. 8 is in the middle of the present invention and rear end collet schematic diagram, and wherein, (a) is left view, and (b) is side view；
Fig. 9 is gland structural representation of the present invention；
Figure 10 is the structural representation of circular cone of the present invention, and wherein, (a) is side view, and (b) is left view；
Figure 11 is socket wrench structure schematic diagram of the present invention, and wherein, (a) is the sleeve sectional view of box spanner, and (b) is side
View.
In figure: 1-axle, 2-front end nut, 3-pressure ring, 4-front end collet, the middle spring chuck of 5-, 6-gland, 7-bores
Shape block, 8-rear end collet, 9-gland, end nut after 10-, 11-box spanner.
Detailed description of the invention
The present invention is to utilize the cone heart and the elastic deformation principle design one that rises to rise core type location mandril, rises described in utilization
Core type location mandril can eliminate the gap, location during hollow thin-wall slender shaft turning outer mold surface, solves hollow thin-wall slender axles car
Cut, grinding outer mold surface is difficult to the difficult problem that processing ensures, described in the core type location mandril that rises easy to operate, location is reliable, novel structure,
Ensure that the processing request of thin-wall long and thin axle.
With embodiment, the present invention is further elaborated below in conjunction with the accompanying drawings.
Embodiment
One rises core type location mandril, described in the core type location mandril that rises be that 3 joints rise core type location mandril, be mainly used in hollow
Thin-wall long and thin axle processing outer mold surface, with reference to Fig. 2, described in the core type location mandril that rises be nested in hollow thin-wall slender axles, in this reality
Execute in the middle of example hollow thin-wall slender axles as a example by conduit.
With reference to Fig. 2, the one core type location mandril that rises includes axle 1, turned left from the right side by axle 1 be connected with in turn front end nut 2,
Pressure ring 3, front end elastic component 4, middle spring part 5, gland 6, circular cone 7, rear end elastic component 8, gland 9 and rear end nut 10；Institute
Stating axle 1 is revolving body, is made up of multistage cylindrical section, and axle 1 two ends are equipped with centre bore, for being connected with lathe.
With reference to Fig. 4, described axle 1 is made up of 6 sections of cylindrical sections, turns left from the right side and is followed successively by axle 1a section, axle 1b section, axle 1c section, axle
1d section, axle 1f section, axle 1g section.With reference to Fig. 2 and 4, described axle 1a section and axle 1g section surface are provided with screw thread, axle 1b section and axle 1f section
For the face of cylinder (requiring to be specially 0.01mm with the centre bore beating degree at axle 1 two ends), axle 1b section diameter is less than guide pipe inner hole diameter
8mm, is used for supporting front end collet 4, and axle 1d section is that outer conical surface (requires to be specially with the centre bore beating degree at axle 1 two ends
0.01mm), with middle spring part 5 with the use of.
With reference to Fig. 5, it is identical that described front end nut 2 shape takes on hex nut with state marker tape, and shoulder external diameter and thickness compare standard
Nut is bigger, and its shoulder outside diameter is D1, and height is H1, and the shoulder of front end nut 2 and pressure ring 3 right-hand member matched in clearance, with axle
1a section is threaded connection；Described rear end nut 10 shape is identical with GB hex nut, is threaded connection with axle 1g section.
With reference to Fig. 2 and 6, described pressure ring 3 and axle 1b section matched in clearance, pressure ring 3 one end is cone, and its maximum gauge is D4
± 0.1, the other end is round platform, is provided with step arc groove at half cylinder of round platform right-hand member, and diameter is respectively D2, D3, and D2 compares front end
Nut 2 shoulder outer diameter D 1 big 5mm, D3 are about 1mm with the monolateral gap, maximum position of the hex nut of front end nut 2, groove D2's
Being highly H2, the ratio big 2mm of shoulder level H1 of front end nut 2, the shoulder of front end nut 2 is joined with pressure ring 3 step arc groove gap
Close；Pressure ring 3 outer conical surface tapering is 20 °.
With reference to Fig. 2,7 and 8, described front end elastic component 4 endoporus is inner conical surface, and tapering is 20 °, coordinates with pressure ring 3, female cone
The maximum gauge in face is D5 ± 0.1, than the little 2mm of maximum dimension D 4 of the cone of pressure ring 3；Front end elastic component 4 outer surface is circle
Cylinder and pipe inner wall matched in clearance；The two ends of front end elastic component 4 are the most also respectively provided with 5 groups of uniform grooves；Described centre
Elastic component 5, rear end elastic component 8 are identical with front end elastic component 4 structure, with pipe inner wall matched in clearance, described middle spring part 5 He
Rear end elastic component 8 is further opened with hole at the small end of internal conical surface.
The material of described front end elastic component 4, middle spring part 5 and rear end elastic component 8 is spring steel 65Mn.
With reference to Fig. 2 and 9, described gland 6 is Step Shaft, middle endoporus and axle 1 matched in clearance, and big axial end withstands on middle bullet
The left side of property chuck 5, little axial end is fitted with circular cone 7；With reference to Fig. 2 and 10, described circular cone 7 is cylindrical cone, empty set
On axle 1, big end and axle 1f section matched in clearance, small end is threaded connection with axle 1g section, and small end face is uniformly distributed with along the circumference at 4 convex
Platform；Circular cone 7 male cone (strobilus masculinus) tapering is 20 °, with rear end elastic component 8 with the use of；With reference to Fig. 2, described gland 9 is circular, it
External diameter less than guide pipe inner hole diameter 8mm, empty set connects with rear end elastic component 8 in axle 1g section, one end, one end and rear end nut 10
Connecting, the external diameter of described gland 9 is less than guide pipe inner hole diameter.
With reference to Fig. 3 and 11, also including the box spanner 11 for operating circular cone 7 motion, described box spanner 11 is by living
Fixed handle and driving end composition, driving end is hollow axle, and its external diameter is less than the little stomidium of the internal conical surface of rear end elastic component 8
Diameter, right side is provided with groove corresponding with circular cone 7 small end face lug boss position at 4, with circular cone 7 matched in clearance.The present invention
Using method:
With reference to Fig. 2, before using, part is loaded from the left end of location mandril, until fitting with pressure ring 3 in part right side,
Turn clockwise front end nut 2, drives pressure ring 3 to left movement, makes front end collet 4 elastic deformation occur, in tensioner part
Hole, with reference to Fig. 3 and 11, inserts in the boss of circular cone 7 small end, turnbarrel spanner counterclockwise by the groove of box spanner 11 front end
The flexible handle of 11, makes circular cone 7 move right, and promotes gland 6 to make middle spring chuck 5 that elastic deformation, tensioner part to occur
Endoporus, takes out spanner, installs gland 9, rear end nut 10, end nut 10 after rotating counterclockwise, makes rear end nut 10 transport to the right
Dynamic, promote gland 9, make rear end collet 8 that elastic deformation, tensioner inner bore of part to occur, complete 3 joints and rise the heart, then will be equipped with zero
The plug of part is arranged on lathe processing part by two ends centre bore.After processing, plug equipped with part on lathe is unloaded,
By rear end nut 10, gland 9 unloads from plug, is inserted by the groove of box spanner 11 front end in the boss of circular cone 7 small end, suitable
The flexible handle of hour hands turnbarrel spanner 11, make circular cone 7 to left movement, pivot head nut 2 counterclockwise, drive pressure ring 3
Moving right, depart from front end collet 4, the plug that will be equipped with part is erect, and left end down, catches part, by plug on ground
On knock several under, until part and rise block depart from, take out part.
Claims (10)
1. the core type location mandril that rises, it is characterised in that the core type that rises described in: location mandril is that more piece rises core type location mandril, bag
Include axle (1), turned left from the right side by axle (1) and be connected with front end nut (2), pressure ring (3), front end elastic component (4), middle spring in turn
Part (5), gland (6), circular cone (7), rear end elastic component (8), gland (9) and rear end nut (10)；Described axle (1) is revolution
Body, is made up of multistage cylindrical section, and axle (1) two ends are equipped with centre bore, for being connected with lathe.
The core type location mandril that rises the most according to claim 1, it is characterised in that: described axle (1) is made up of 6 sections of cylindrical sections,
Turn left from the right side and be followed successively by axle (1a) section, axle (1b) section, axle (1c) section, axle (1d) section, axle (1f) section, axle (1g) section.
The core type location mandril that rises the most according to claim 2, it is characterised in that: described axle (1a) section and axle (1g) section surface
It is provided with screw thread；Axle (1b) section and axle (1f) section are the face of cylinder；Axle (1d) section is outer conical surface, coordinates with middle spring part (5)
Use.
The core type location mandril that rises the most according to claim 1, it is characterised in that: described front end nut (2) shape and GB
Band shoulder hex nut is identical, the shoulder of front end nut (2) and pressure ring (3) right-hand member matched in clearance, with axle (1a) section by screw thread even
Connect；
Described rear end nut (10) shape is identical with GB hex nut, is threaded connection with axle (1g) section.
5. according to the core type location mandril that rises described in claim 1 or 4, it is characterised in that: described pressure ring (3) is intersegmental with axle (1b)
Gap coordinates, and pressure ring (3) one end is cone, and the other end is round platform, is provided with step arc groove, front end at half cylinder of round platform right-hand member
The shoulder of nut (2) and pressure ring (3) step arc groove matched in clearance；Pressure ring (3) outer conical surface tapering is 20 °.
The core type location mandril that rises the most according to claim 1, it is characterised in that: described front end elastic component (4) endoporus is interior
The conical surface, tapering is 20 °, coordinates with pressure ring (3)；Front end elastic component (4) outer surface is the face of cylinder and hollow thin-wall slender axles inwall
Matched in clearance；The two ends of front end elastic component (4) are the most also respectively provided with 5) organize uniform groove；
Described middle spring part (5), rear end elastic component (8) are identical with front end elastic component (4) structure, and in hollow thin-wall slender axles
Wall matched in clearance, described middle spring part (5) and rear end elastic component (8) are further opened with hole at the small end of internal conical surface.
The core type location mandril that rises the most according to claim 6, it is characterised in that: described front end elastic component (4), middle spring
Part (5) and rear end elastic component (8) material are spring steel 65Mn.
The core type location mandril that rises the most according to claim 1, it is characterised in that: described gland (6) is Step Shaft, middle interior
Hole and axle (1) matched in clearance, big axial end withstands on the left side of middle spring chuck (5), and little axial end is pasted with circular cone (7)
Close；
Described circular cone (7) is cylindrical cone, and empty set, on axle (1), is held and axle (1f) section matched in clearance greatly, small end and axle (1g)
Section is threaded connection, and small end face is uniformly distributed with boss at 4 along the circumference；Circular cone (7) male cone (strobilus masculinus) tapering is 20 °, elastic with rear end
Part (8) with the use of；
Described gland (9) is circular, and empty set connects with rear end elastic component (8) in axle (1g) section, one end, one end and rear end nut
(10) connecting, the external diameter of described gland (9) is less than hollow thin-wall slender axles diameter of bore.
The core type location mandril that rises the most according to claim 1, it is characterised in that: also include for operating circular cone (7) fortune
Dynamic box spanner (11), described box spanner (11) is made up of flexible handle and driving end, and driving end is hollow axle, outside it
Footpath is less than the diameter of the little stomidium of the internal conical surface of rear end elastic component (8), and right side is provided with at 4 convex with circular cone (7) small end face
The groove that platform position is corresponding, with circular cone (7) matched in clearance.
10. according to the core type location mandril that rises described in right 1 to 9, it is characterised in that the core type that rises described in: location mandril is that 3 joints rise
Core type location mandril, for hollow thin-wall slender shaft turning outer mold surface, described in rise that to be nested in hollow thin-wall thin for core type location mandril
In in major axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610749777.7A CN106270600B (en) | 2016-08-26 | 2016-08-26 | One kind rises core type location mandril |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610749777.7A CN106270600B (en) | 2016-08-26 | 2016-08-26 | One kind rises core type location mandril |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106270600A true CN106270600A (en) | 2017-01-04 |
| CN106270600B CN106270600B (en) | 2019-03-15 |
Family
ID=57677632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610749777.7A Active CN106270600B (en) | 2016-08-26 | 2016-08-26 | One kind rises core type location mandril |
Country Status (1)
| Country | Link |
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| CN (1) | CN106270600B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723412A (en) * | 2018-06-07 | 2018-11-02 | 苏州市三千鑫电子科技有限公司 | A kind of inner support clamp and its assembly technology |
| CN108907258A (en) * | 2018-06-07 | 2018-11-30 | 苏州市三千鑫电子科技有限公司 | A kind of inner support driven gripper device of turning attachment |
| CN109128944A (en) * | 2018-07-13 | 2019-01-04 | 武汉船用机械有限责任公司 | A kind of processing tool and processing method of spherical surface bearing shell |
| CN111702199A (en) * | 2020-07-30 | 2020-09-25 | 北京小螺智能科技有限公司 | Turning fixture for machining large-diameter thin-wall steel lining |
| CN111853311A (en) * | 2019-04-30 | 2020-10-30 | 浙江三花智能控制股份有限公司 | Temperature safety valve |
| CN114074192A (en) * | 2020-08-18 | 2022-02-22 | 航天科工惯性技术有限公司 | Radial expansion device and method for thin-wall cylindrical structural part |
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| CN203509093U (en) * | 2013-08-27 | 2014-04-02 | 中国人民解放军63908部队 | Thin-walled workpiece machining clamp |
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| DE2137754A1 (en) * | 1971-07-28 | 1973-02-08 | Juengel Kg Karl | SPREADING DRUM FOR TAKING UP TAPE, PREFERRED METAL TAPE, Wound into a Bunch |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108723412A (en) * | 2018-06-07 | 2018-11-02 | 苏州市三千鑫电子科技有限公司 | A kind of inner support clamp and its assembly technology |
| CN108907258A (en) * | 2018-06-07 | 2018-11-30 | 苏州市三千鑫电子科技有限公司 | A kind of inner support driven gripper device of turning attachment |
| CN109128944A (en) * | 2018-07-13 | 2019-01-04 | 武汉船用机械有限责任公司 | A kind of processing tool and processing method of spherical surface bearing shell |
| CN111853311A (en) * | 2019-04-30 | 2020-10-30 | 浙江三花智能控制股份有限公司 | Temperature safety valve |
| CN111702199A (en) * | 2020-07-30 | 2020-09-25 | 北京小螺智能科技有限公司 | Turning fixture for machining large-diameter thin-wall steel lining |
| CN114074192A (en) * | 2020-08-18 | 2022-02-22 | 航天科工惯性技术有限公司 | Radial expansion device and method for thin-wall cylindrical structural part |
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| Publication number | Publication date |
|---|---|
| CN106270600B (en) | 2019-03-15 |
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Address after: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee after: AECC AVIATION POWER CO., LTD. Address before: Weiyang Xu Jia Wan 710021 Shaanxi city of Xi'an Province Patentee before: AVIC AVIATION ENGINE CORPORATION PLC |