CN208556034U - A kind of ringfeder mandrel of thin-wall pipe - Google Patents
A kind of ringfeder mandrel of thin-wall pipe Download PDFInfo
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- CN208556034U CN208556034U CN201821103354.9U CN201821103354U CN208556034U CN 208556034 U CN208556034 U CN 208556034U CN 201821103354 U CN201821103354 U CN 201821103354U CN 208556034 U CN208556034 U CN 208556034U
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Abstract
The utility model relates to thin-wall pipe clamping tooling related fields, the ringfeder mandrels of specifically a kind of thin-wall pipe, it is intended to the technical issues of solving the existing clamping tooling for lacking thin-wall pipe.Adopt the following technical scheme that including mandrel and be sleeved on the ringfeder of mandrel exterior, it dismantles nut and holds out against nut, workpiece can be sleeved on to the outer surface of ringfeder, the axial direction of ringfeder is evenly equipped with opening, it can be by turning the adjusting for holding out against nut and realizing ringfeder diameter, to which workpiece to be firmly sleeved on to the outer round surface of mandrel, when disassembly, the disengaging of ringfeder and mandrel is realized by turning disassembly nut, whole device is simple and reliable, accurate positioning, and the workpiece size precision processed, circularity meets drawing requirement, internal-external circle concentricity guarantees in 0.01, fully meet the quality requirement of product drawing.The utility model is mainly used for the manufacture field of thin-wall pipe.
Description
Technical field
The utility model relates to thin-wall pipe clamping tooling related fields, the ringfeder mandrels of specifically a kind of thin-wall pipe.
Background technique
Thin-wall pipe refers to the relatively thin tubular part of wall, such as with a thickness of the jet pipe of 1mm.Thin-wall pipe blank is generally also
Tubular part needs to carry out its outer wall the processing such as turning, forms last finished product, the clamping of such thin-wall pipe just becomes
One problem.What existing medium-sized and small enterprises generallyd use is manual lathe, numerically controlled lathe and machining center, how to design a kind of work
Dress, can be realized clamping of the thin-wall pipe on above-mentioned lathe, and can ensure the inside and outside circle precision of thin-wall pipe, outer circle ruler
The requirement of the techniques such as very little precision, concentricity is technical problem now urgently to be resolved.
Utility model content
The utility model aims to solve the problem that the technical issues of existing clamping tooling for lacking thin-wall pipe.For this purpose, this is practical new
Type proposes a kind of ringfeder mandrel of thin-wall pipe.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of ringfeder mandrel of thin-wall pipe, including mandrel, the both ends of the mandrel are provided with to be mounted on lathe
Installation shaft part, the installation shaft part of front end to the cooperation of the claw of lathe, the installation shaft part of rear end is to by the work of mandrel
Region and the tail portion of lathe space out, and the end face center of each installation shaft part is all provided with to determine with what lathe centre cooperated
Heart hole, the internal point of front end to the cooperation of the spindle top of lathe, the internal point of rear end to the tail portion of lathe is top matches
It closes, the axial middle part of the mandrel is provided with main body shaft part (i.e. this section of axial plane band that axial plane is the frustum cone side coaxial with mandrel
Have certain taper), the miner diameter end of the main body shaft part has been disposed adjacent and has held out against shaft part, bigger diameter end has been disposed adjacent disassembly axis
Section, the axial plane for holding out against shaft part and dismantling shaft part are all provided with screw thread, and the miner diameter end diameter of the main body shaft part is greater than described
Hold out against shaft part diameter (ringfeder is packed into from this side, if the miner diameter end diameter of main body shaft part is less than the diameter for holding out against shaft part,
The inner surface that will lead to ringfeder can not be bonded by that with the axial plane of main body shaft part, cause technical failure), the main body shaft part it is big
The diameter that diameter end diameter is greater than the disassembly shaft part (wants installing and dismounting nut on disassembly shaft part, if the bigger diameter end of main body shaft part
Diameter is less than the diameter of the disassembly shaft part, that disassembly shaft part can limit because the formation of the shaft shoulder is always formed ringfeder, stops
Ringfeder moves to left, and cannot achieve the function of disassembly), the diameter of the installation shaft part is ipsilateral less than main body shaft part is located at it
Hold out against shaft part or dismantle shaft part diameter (for ensure installation shaft part will not to hold out against nut and dismantle nut installation cause to do
It relates to)；It further include the ringfeder being coated on main body shaft part axial plane, the ringfeder, which axially offers, is respectively facing axial sides and shape
The all identical the first opening and the second opening of size, the first opening and the second opening are uniformly distributed along the circumferential direction of ringfeder and alternate set
It sets, the sum of axial length of the first opening and the second opening is greater than the axial length of ringfeder, and the ringfeder outer surface is circle
Cylinder, inner surface are the frustum cone side being adapted to the axial plane of main body shaft part, in this way, when ringfeder is axially moveable, can with
The variation radial dilatation and contraction of the axial plane diameter of its main body shaft part being bonded realize the variation of diameter, and because first opens
Mouth and the second opening direction are different and alternate uniformly distributed, and the diameter change degree at each position of ringfeder is the same, and guarantee is in ringfeder along axial
Outer peripheral surface is always that the i.e. each section diameter in cylindrical surface changes on an equal basis during the entire process of movement；It further include being threaded in respectively
It disassembly shaft part and holds out against the disassembly nut of shaft part and holds out against nut, the disassembly nut and hold out against the outer ring of nut axially inwards all
It is integrally extended with the annulus for being connected to ringfeder end, the internal diameter of the annulus is greater than main body shaft part end adjacent thereto
Diameter, outer diameter are less than the outer diameter of ringfeder, hold out against axially position of the nut to realize ringfeder, dismantle nut to dismantle ringfeder.
In use, assembling ringfeder mandrel first: ringfeder being inserted in from nut side is held out against to main body shaft part, installation holds out against nut and disassembly
Nut, assembling finish；Then workpiece is installed, if disassembly shaft part is left side surely, by following operation: workpiece is covered the outer wall in ringfeder
On, to the left adjust disassembly nut make it away from ringfeder, then to the left adjust hold out against nut, force ringfeder to move downward, ringfeder it is straight
Diameter becomes larger, and workpiece stretching is realized the positioning of workpiece, complete the installation of workpiece, rise here further to ensure by the outer wall of ringfeder
The fastness of set, disassembly nut, which can move right, is connected to it on left side of ringfeder, can further improve structure in this way
Stability；The ringfeder mandrel integral installation for installing workpiece will specifically finally be installed into determining for shaft part end face on lathe
Heart hole be connected to respectively lathe spindle top and tail portion it is top on, then claw is clamped in complete on one of installation shaft part
At installation, and then the processing such as cylindrical turning for carrying out workpiece, complete the finished product production of thin-wall pipe；When disassembly, top is adjusted to the right
Tight nut, due to the effect of frictional force, ringfeder can be tightly attached on the axial plane of main body shaft part and form locking phenomenon, it is not easy to remove
Come, at this moment adjusts disassembly nut to the right, force ringfeder to move right with respect to mandrel, radial contraction, diameter becomes smaller, workpiece and ringfeder
Between form gap, entire ringfeder mandrel is removed from lathe then, finally removes workpiece.
The beneficial effects of the utility model are: the utility model provides a kind of ringfeder mandrel of thin-wall pipe, by workpiece set
Mounted in the outside of ringfeder, with the axial movement of ringfeder, ringfeder meeting radial dilatation is to complete the clamping to workpiece, whole device
It is simple and reliable, accurate positioning, and the workpiece size precision, the circularity that process meet drawing requirement, internal-external circle concentricity guarantees
In 0.01, the quality requirement of product drawing is fully met, and is provided with and holds out against nut, further ensures the reliable of ringfeder expansion
Property, it is provided with disassembly nut, makes to dismantle more convenient.
Detailed description of the invention
Fig. 1 is the assembly structure diagram of the ringfeder mandrel of the utility model；
Fig. 2 is the core shaft structure schematic diagram of the utility model；
Fig. 3 is the structural schematic diagram of the ringfeder of the utility model
Fig. 4 is the Section A-A schematic diagram of ringfeder shown in Fig. 3.
Specific embodiment
Referring to figs. 1 to Fig. 4, a kind of ringfeder mandrel of thin-wall pipe of the utility model, including mandrel 1, the mandrel 1
Both ends are provided with the installation shaft part 11 to be mounted on lathe, the installation shaft part 11 of front end to the cooperation of the claw of lathe,
The installation shaft part 11 of rear end is to space out the tail portion of the working region of mandrel 1 and lathe, the end of each installation shaft part 11
Face center is all provided with the internal point 12 to cooperate with lathe centre, and the internal point 12 of front end is to the spindle top with lathe
Cooperation, the internal point 12 of rear end to the axial middle part of the top cooperation in the tail portion of lathe, the mandrel 1 be provided with axial plane be with
The main body shaft part 13(of the coaxial frustum cone side of mandrel 1 i.e. this section of axial plane has certain taper), the main body shaft part 13 it is small
Diameter end has been disposed adjacent and has held out against shaft part 14, bigger diameter end has been disposed adjacent disassembly shaft part 15, described to hold out against shaft part 14 and disassembly shaft part
15 axial plane is all provided with screw thread, and the miner diameter end diameter of the main body shaft part 13 is greater than the diameter (ringfeder 2 for holding out against shaft part 14
It is packed into from this side, if the miner diameter end diameter of main body shaft part 13 is less than the diameter for holding out against shaft part 14, that will will lead to ringfeder 2
Inner surface can not be bonded with the axial plane of main body shaft part 13, cause technical failure), the bigger diameter end diameter of the main body shaft part 13 is big
(installing and dismounting nut is wanted on disassembly shaft part 15, if the bigger diameter end diameter of main body shaft part 13 in the diameter of the disassembly shaft part 15
Less than the diameter of the disassembly shaft part 15, that disassembly shaft part 15 can limit because the formation of the shaft shoulder is always formed ringfeder 2, stop
Ringfeder 2 moves to left, and cannot achieve the function of disassembly), the diameter of the installation shaft part 11, which is less than, is located at main body shaft part with it
The 13 ipsilateral diameters for holding out against shaft part 14 or dismantling shaft part 15 are (to ensure that installation shaft part 11 will not be to holding out against nut 4 and disassembly spiral shell
The installation of mother 3 causes to interfere)；It further include the ringfeder 2 being coated on 13 axial plane of main body shaft part, the ringfeder 2 is axial to be offered point
Not towards axial sides and all identical first opening 21 of shape size and the second opening 22, first opening 21 and second are opened
The sum of the axial length of the uniformly distributed and alternate setting along the circumferential direction of ringfeder 2 of mouth 22, first opening 21 and the second opening 22 is greater than
The axial length of ringfeder 2,2 outer surface of ringfeder is cylindrical surface, inner surface is the rotary table being adapted to the axial plane of main body shaft part 13
Side, in this way, when ringfeder 2 is axially moveable, it can be radial with the variation of the axial plane diameter for the main body shaft part 13 being bonded with it
It expansion and shrinks, realizes the variation of diameter, and because the first opening 21 and the second opening 22 towards different and alternate uniformly distributed, rise
The diameter change degree for covering 2 each positions is the same, ensures that outer peripheral surface is always round during the entire process of ringfeder 2 is axially moveable
Cylinder, that is, each section diameter changes on an equal basis；It further include the disassembly nut for being threaded in disassembly shaft part 15 respectively and holding out against shaft part 14
3 and hold out against nut 4, the disassembly nut 3 and the outer ring for holding out against nut 4 are all integrally extended with are connected to 2 end of ringfeder axially inwards
The annulus 5 in portion, the internal diameter of the annulus 5 is greater than the diameter of 13 end of main body shaft part adjacent thereto, outer diameter is less than ringfeder 2
Outer diameter, hold out against axially position of the nut 4 to realize ringfeder 2, dismantle nut 3 to dismantle ringfeder 2.In use, group first
Dress ringfeder mandrel: ringfeder 2 is inserted in from 4 side of nut is held out against to main body shaft part 13, and installation holds out against nut 4 and disassembly nut 3, group
It installs complete；Then workpiece is installed, if disassembly shaft part 15 is left side surely, by following operation: workpiece is covered on the outer wall of ringfeder 2,
Disassembly nut 3 is adjusted to the left and makes it away from ringfeder 2, then adjusts hold out against nut 4 to the left, and ringfeder 2 is forced to move downward, ringfeder 2
Diameter becomes larger, and workpiece stretching is realized the positioning of workpiece, complete the installation of workpiece by the outer wall of ringfeder 2, here further to ensure
The fastness of ringfeder 2, disassembly nut 3, which can move right, is connected to it on left side of ringfeder 2, can further improve in this way
The stability of structure；The ringfeder mandrel integral installation for installing workpiece will specifically finally be installed into 11 end of shaft part on lathe
The internal point 12 in face be connected to respectively lathe spindle top and tail portion it is top on, claw is then clamped in one of installation
Installation, and then the processing such as cylindrical turning for carrying out workpiece are completed on shaft part 11, complete the finished product production of thin-wall pipe；When disassembly,
To the right adjust hold out against nut 4, due to the effect of frictional force, ringfeder 2 can be tightly attached on the axial plane of main body shaft part 13 formed it is self-locking existing
As, it is not easy to it takes off, at this moment adjusts disassembly nut 3 to the right, ringfeder 2 is forced to move right with respect to mandrel 1, radial contraction, directly
Diameter becomes smaller, and gap is formed between workpiece and ringfeder 2, then removes entire ringfeder mandrel from lathe, finally removes workpiece.
Preferably, first opening 21 and the second opening 22 are all the strip shaped opening being axially distributed, the first opening 21
The 9/10 of 2 axial length of ringfeder is accounted for the axial length of the second opening 22, and the first opening 21 and second is cooperated to be open 22 in this way
It is staggered, can ensure that tensioner effect can meet requirement, and can ensure that 2 outer peripheral surface of ringfeder after tensioner is still cylinder
Face.Specifically, in the present embodiment, first opening 21 and the second opening 22 are each provided with 6, and alternate are evenly arranged on ringfeder
2 circumferential direction.Details, the most inner side of first opening 21 or the second opening 22 is provided with the circle that diameter is greater than opening width
It is being drawn because the part for the two sides that are open mutually outer can be pulled in opening most inner side formation tensile stress concentration when tensioner root 23
Under stress, slot root easily forms crackle, and crackle elongation is broken ringfeder under long term, so the setting of circular root 23
It can prevent tensile stress from concentrating, increase the tensile capacity of ringfeder 2, to increase the service life of ringfeder 2.
Disassembly nut 3 is turned for convenience of operator and holds out against nut 4, the disassembly nut 3 and the outer ring for holding out against nut 4
Surface is provided with spanner slot 6.Operator can rotate disassembly nut 3 by turning spanner slot 6 and hold out against nut 4.
A kind of preferred structure of the axial plane of frustum cone side shape as main body shaft part 13, the axial plane of the main body shaft part 13
Taper is 6 °.Ringfeder 2 can be ensured to the tensioner effect of workpiece in this way.
For convenience of the processing of mandrel 1, in the position adjacent with main body shaft part 13 dismantled shaft part 15 and hold out against shaft part 14
It installs and is equipped with escape 7.
The above specific structure and dimension data are illustrated to the preferred embodiment of the utility model, but this reality
It is not limited to the specific embodiments with novel creation, those skilled in the art are in the premise without prejudice to the spirit of the present invention
Various equivalent deformation or replacement can be also made down, these equivalent deformations or replacement are all contained in the claim of this application and are limited
In fixed range.
Claims (7)
1. a kind of ringfeder mandrel of thin-wall pipe, it is characterised in that: including mandrel (1), the both ends setting of the mandrel (1) is useful
With the installation shaft part (11) being mounted on lathe, it is each installation shaft part (11) end face center be all provided with to lathe centre
The internal point (12) of cooperation, the axial middle part of the mandrel (1) are provided with the master that axial plane is the frustum cone side coaxial with mandrel (1)
Body shaft part (13), the miner diameter end of the main body shaft part (13) has been disposed adjacent and has held out against shaft part (14), bigger diameter end has been disposed adjacent and has torn open
It unloads shaft part (15), the axial plane for holding out against shaft part (14) and dismantling shaft part (15) is all provided with screw thread, the main body shaft part (13)
Miner diameter end diameter be greater than the diameter for holding out against shaft part (14), bigger diameter end diameter is greater than the diameter of disassembly shaft part (15),
It is described installation shaft part (11) diameter be less than with its be located at main body shaft part (13) it is ipsilateral hold out against shaft part (14) or dismantle shaft part
(15) diameter；It further include the ringfeder (2) being coated on main body shaft part (13) axial plane, the ringfeder (2) axially offers opening
It is respectively facing axial sides and all identical first opening (21) of shape size and second is open (22), first opening (21)
With the uniformly distributed and alternate setting along the circumferential direction of ringfeder (2) of the second opening (22), first opening (21) and second is open (22)
The sum of axial length is greater than the axial length of ringfeder (2), and ringfeder (2) outer surface is cylindrical surface, inner surface is and main body axis
The frustum cone side of the axial plane adaptation of section (13)；It further include being threaded in disassembly shaft part (15) respectively and holding out against tearing open for shaft part (14)
It removing nut (3) and holds out against nut (4), disassembly nut (3) and the outer ring for holding out against nut (4) are all integrally extended with axially inwards
It is connected to the annulus (5) of ringfeder (2) end, the internal diameter of the annulus (5) is greater than main body shaft part (13) adjacent thereto and holds
Diameter, the outer diameter in portion are less than the outer diameter of ringfeder (2).
2. a kind of ringfeder mandrel of thin-wall pipe according to claim 1, it is characterised in that: it is described first opening (21) and
Second opening (22) is all the strip shaped opening being axially distributed, and the axial length that the first opening (21) and second are open (22), which accounts for, to rise
Cover the 9/10 of (2) axial length.
3. a kind of ringfeder mandrel of thin-wall pipe according to claim 2, it is characterised in that: it is described first opening (21) and
Second opening (22) is each provided with 6, and the alternate circumferential direction for being evenly arranged on ringfeder (2).
4. a kind of ringfeder mandrel of thin-wall pipe according to claim 3, it is characterised in that: it is described first opening (21) or
The most inner side of second opening (22) is provided with the circular root (23) that diameter is greater than opening width.
5. a kind of ringfeder mandrel of thin-wall pipe according to claim 1, it is characterised in that: the disassembly nut (3) and
The outer peripheral surface for holding out against nut (4) is provided with spanner slot (6).
6. a kind of ringfeder mandrel of thin-wall pipe according to claim 1-5, it is characterised in that: the main body axis
The taper of the axial plane of section (13) is 6 °.
7. a kind of ringfeder mandrel of thin-wall pipe according to claim 6, it is characterised in that: the disassembly shaft part (15) and
The position adjacent with main body shaft part (13) for holding out against shaft part (14) is provided with escape (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821103354.9U CN208556034U (en) | 2018-07-12 | 2018-07-12 | A kind of ringfeder mandrel of thin-wall pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821103354.9U CN208556034U (en) | 2018-07-12 | 2018-07-12 | A kind of ringfeder mandrel of thin-wall pipe |
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| CN208556034U true CN208556034U (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821103354.9U Active CN208556034U (en) | 2018-07-12 | 2018-07-12 | A kind of ringfeder mandrel of thin-wall pipe |
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| CN110369751A (en) * | 2019-08-29 | 2019-10-25 | 河南省瑞歌传动机械有限公司 | A kind of tubular workpiece clamping tooling |
| CN111044223A (en) * | 2019-11-22 | 2020-04-21 | 北京动力机械研究所 | Dynamic balancing device for disc rotor of turbine engine |
| CN111644821A (en) * | 2020-06-22 | 2020-09-11 | 上海运申制版模具有限公司 | Device and method for processing high-precision gravure roller |
| CN111715949A (en) * | 2020-06-29 | 2020-09-29 | 綦江重配齿轮有限公司 | Gear grinding tool for internal spline gear |
| CN112247175A (en) * | 2020-11-12 | 2021-01-22 | 航天科工哈尔滨风华有限公司 | Tool for machining thin-walled cylinder by forward and reverse expansion of double-conical sleeve and tool installation method |
| CN113910051A (en) * | 2021-11-09 | 2022-01-11 | 重庆川仪调节阀有限公司 | Ball grinding machine |
| CN113997009A (en) * | 2021-10-26 | 2022-02-01 | 宣城市雍基超镜面精密机械制造有限公司 | Forming method of light thin-wall aluminum guide roller |
| CN114056495A (en) * | 2021-12-24 | 2022-02-18 | 武昌船舶重工集团有限公司 | Expansion mandrel tool and ship springboard installation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110369751A (en) * | 2019-08-29 | 2019-10-25 | 河南省瑞歌传动机械有限公司 | A kind of tubular workpiece clamping tooling |
| CN111044223A (en) * | 2019-11-22 | 2020-04-21 | 北京动力机械研究所 | Dynamic balancing device for disc rotor of turbine engine |
| CN111644821A (en) * | 2020-06-22 | 2020-09-11 | 上海运申制版模具有限公司 | Device and method for processing high-precision gravure roller |
| CN111715949A (en) * | 2020-06-29 | 2020-09-29 | 綦江重配齿轮有限公司 | Gear grinding tool for internal spline gear |
| CN111715949B (en) * | 2020-06-29 | 2021-09-14 | 綦江重配齿轮有限公司 | Gear grinding tool for internal spline gear |
| CN112247175A (en) * | 2020-11-12 | 2021-01-22 | 航天科工哈尔滨风华有限公司 | Tool for machining thin-walled cylinder by forward and reverse expansion of double-conical sleeve and tool installation method |
| CN113997009A (en) * | 2021-10-26 | 2022-02-01 | 宣城市雍基超镜面精密机械制造有限公司 | Forming method of light thin-wall aluminum guide roller |
| CN113910051A (en) * | 2021-11-09 | 2022-01-11 | 重庆川仪调节阀有限公司 | Ball grinding machine |
| CN113910051B (en) * | 2021-11-09 | 2022-09-23 | 重庆川仪调节阀有限公司 | Ball grinding machine |
| CN114056495A (en) * | 2021-12-24 | 2022-02-18 | 武昌船舶重工集团有限公司 | Expansion mandrel tool and ship springboard installation method |
| CN114799251A (en) * | 2022-06-24 | 2022-07-29 | 山东海利传动机械制造有限公司 | Expansion sleeve type turning and grinding mandrel clamp |
| CN116276616A (en) * | 2023-01-31 | 2023-06-23 | 中建材光子科技有限公司 | Glass tube centering tool and glass tube processing method |
| CN116276616B (en) * | 2023-01-31 | 2024-02-02 | 中建材光子科技有限公司 | Glass tube centering tool and glass tube processing method |
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