CN109482924A - Clamping structure and lathe with it - Google Patents
Clamping structure and lathe with it Download PDFInfo
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- CN109482924A CN109482924A CN201811555262.9A CN201811555262A CN109482924A CN 109482924 A CN109482924 A CN 109482924A CN 201811555262 A CN201811555262 A CN 201811555262A CN 109482924 A CN109482924 A CN 109482924A
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- 230000007246 mechanism Effects 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 17
- 230000008569 process Effects 0.000 description 14
- 125000006850 spacer group Chemical group 0.000 description 9
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- B23B31/4006—Gripping the work or tool by a split sleeve
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Abstract
The present invention provides a kind of clamping structure and with its lathe, clamping structure is for clamping parts to be machined, clamping structure includes: clamping section, and clamping section is at least partly used to be arranged in the inner hole of parts to be machined and be movably disposed along the radial direction of inner hole；Driving assembly, driving assembly and clamping section are drivingly connected, and driving assembly is used to drive the mobile pre-determined distance of the radial direction at least partially along inner hole of clamping section, so that clamping section at least partly fits with the hole wall of inner hole.Clamping structure of the invention solves the problems, such as that parts to be machined clamping in the prior art is more time-consuming.
Description
Technical field
The present invention relates to clamping workpiece machinery fields, in particular to a kind of clamping structure and with its lathe.
Background technique
In the prior art, cylinder part need in process first to carry out clamping to part using fixture, made
It realizes turnery processing with machine tool chief axis synchronous rotary.Usually there are two kinds of forms of outer clip and inner support for the clamping of such part.
Outer clip form is such as used, face work and interior outside chamfering can only be carried out when processing to main shaft distal end, proximal end is due to will appear interference
Problem, therefore need just to be capable of processing to distally turn around after processing is completed with secondary clamping, to will affect overall processing efficiency.
Summary of the invention
It is in the prior art to solve the main purpose of the present invention is to provide a kind of clamping structure and with its lathe
The more time-consuming problem of parts to be machined clamping.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of clamping structure, clamping structure are used for
Parts to be machined is clamped, clamping structure includes: clamping section, the inner hole at least partly being used to be arranged in parts to be machined of clamping section
In and be movably disposed along the radial direction of inner hole；Driving assembly, driving assembly and clamping section are drivingly connected, and driving assembly is used
The mobile pre-determined distance of the radial direction at least partially along inner hole in driving clamping section so that clamping section at least partly with inner hole
Hole wall fit.
Further, the first perforating is provided on clamping section, driving assembly is at least partially disposed in the first perforating
It is interior and be movably disposed along the extending direction of the first perforating, to drive at least portion of clamping section to move along the radial direction of inner hole
It is dynamic.
Further, clamping section is elastic component, and opened gap, opened gap and the first perforating phase are provided on clamping section
Connection, with when driving assembly is moved along the extending direction of the first perforating, the radial direction side at least partially along inner hole of clamping section
To generation flexible deformation.
Further, opened gap is multiple, and multiple opened gaps are arranged along the circumferential direction interval of clamping section.
Further, opened gap includes the first gap section, and clamping section includes: clamp body, including clamp body is for being arranged
In hole, the first gap section is arranged on clamp body；Wherein, radial direction of the clamp segment between two neighboring first gap section along inner hole
Direction is movably disposed.
Further, the first gap section extends along the extending direction of clamp body, and clamp body is divided into multiple clamp segments,
Multiple clamp segments are synchronized along the radial direction of inner hole and are movably disposed.
Further, clamp body is cylindrical body, and inner hole is circular hole, is provided with convex annular in the circumferential exterior surface of clamp body
It rises, annular protrusion is used to contact with the limit of the hole wall of inner hole.
Further, opened gap includes the second gap section, and the first gap section is connected with the second gap section, and clamping section is also
It include: group section, the first end of group section is connected with clamp body, and the second end of group section with reset mechanism for being connected；
Wherein, the second gap section be arranged on group section, the second gap be groove, group section part switching segment body along inner hole radial direction
Direction is movably disposed.
Further, clamping section is prepared by 65Mn material.
Further, driving assembly includes: interior support part, and interior support part includes bullet, and bullet is arranged in the first perforating
It is interior；Rod section, the first end of rod section are connected with interior support part far from one end of bullet, the second end of rod section be used for it is pre-
If power mechanism is connected, to drive interior support part to move along the extending direction of the first perforating by rod section in preset power mechanism
When dynamic, at least portion of bullet driving clamping section is moved along the radial direction of inner hole.
Further, the first perforating includes taper hole section, and bullet is movably disposed in taper hole section, bellmouth
The shrinkage direction of section is consistent with the shrinkage direction of bullet.
Further, circumferential direction of multiple opened gaps along clamping section is uniformly distributed.
Further, clamping structure further include: mandrel, the first end of mandrel are used to be connected with reset mechanism, mandrel
Second end is connected with clamping section, so that clamping section is connected by mandrel with reset mechanism；Wherein, driving assembly passes through mandrel
It is connected afterwards with preset power mechanism, driving assembly is movably disposed along the axial direction of mandrel.
Further, clamping structure further include: disc spring group, disc spring group are set on driving assembly, the first end of disc spring group
It is abutted against with mandrel, second end and the driving assembly of disc spring group abut against.
Further, reset mechanism includes rotary driving part and fixed part, clamping structure further include: axle sleeve, axle sleeve and solid
Determine portion to be connected, mandrel is connected after passing through axle sleeve with clamping section, and axle sleeve and parts to be machined interval are arranged；Wherein, rotation is driven
Dynamic portion and mandrel are drivingly connected, to drive mandrel to rotate relative to axle sleeve.
According to another aspect of the present invention, a kind of lathe is provided, including clamping structure and reset mechanism, clamping structure are set
It sets in reset mechanism, clamping structure is above-mentioned clamping structure.
Parts to be machined can be stably installed default by clamping structure of the invention by clamping section and driving assembly
In mechanism.Wherein, in specific clamping process, for being connected with reset mechanism, clamping section is at least partly used for for clamping section
It is arranged in the inner hole of parts to be machined, the first end of driving assembly and clamping section are drivingly connected, and are driven and are pressed from both sides by driving assembly
The radial direction at least partially along inner hole in tight portion is mobile, until clamping section at least partly fits with the hole wall of inner hole, from
And make parts to be machined steadily clamping on clamping section.The clamping structure of the invention internal clamping since clamping section belongs to,
Therefore do not have to secondary clamping in process, so as to shorten process time, solve parts to be machined dress in the prior art
The more time-consuming problem of folder.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the schematic diagram of application structure of the embodiment of clamping structure according to the present invention；
Fig. 2 shows the schematic diagram of the section structure of the clamping structure in Fig. 1；
Fig. 3 shows the example structure schematic diagram of clamping structure according to the present invention.
Wherein, the above drawings include the following reference numerals:
10, parts to be machined；11, inner hole；20, clamping section；21, the first perforating；211, taper hole section；22, between being open
Gap；23, clamp body；231, annular protrusion；24, group section；30, driving assembly；31, interior support part；311, bullet；32, pull rod
Portion；40, mandrel；50, disc spring group；60, axle sleeve；70, angular contact ball bearing；80, preceding inner split ring；90, preceding outer spacer ring；100, in preceding
Spacer；120, rear stub；130, the first spacer；140, the second spacer；150, a couplet joint；160, rear end nut；170,
Back nut spacer；180, drive end bearing bracket；190, straight end-face key；200, locking nut；210, screw；220, cylinder roller bearing.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
The present invention provides a kind of clamping structures, please refer to Fig. 1 to Fig. 3, and clamping structure is used to clamp parts to be machined 10,
Clamping structure includes: clamping section 20, clamping section 20 at least partly for being arranged in the inner hole 11 of parts to be machined 10 and edge
The radial direction of inner hole 11 is movably disposed；Driving assembly 30, driving assembly 30 and clamping section 20 are drivingly connected, driving assembly
30 for driving the mobile pre-determined distance of the radial direction at least partially along inner hole 11 of clamping section 20, so that clamping section 20 is at least
Part and the hole wall of inner hole 11 fit.
Parts to be machined 10 can be stably installed by clamping structure of the invention by clamping section 20 and driving assembly 30
Onto reset mechanism.Wherein, in specific clamping process, clamping section 20 with reset mechanism for being connected, and clamping section 20 is extremely
For being arranged in the inner hole 11 of parts to be machined 10, the first end of driving assembly 30 and clamping section 20 are drivingly connected small part,
Drive the radial direction at least partially along inner hole 11 of clamping section 20 mobile by driving assembly 30, until clamping section 20 is at least
Part fits with the hole wall of inner hole 11 so that parts to be machined 10 steadily clamping on clamping section 20.Of the invention
Clamping structure does not have to secondary clamping since clamping section 20 belongs to internal clamping in process, when so as to shorten processing
Between, solve the problems, such as that parts to be machined clamping in the prior art is more time-consuming.
In the present embodiment, since clamping section 20 belongs to internal clamping, therefore the whole of the parts to be machined 10 after clamping is long
Range is spent still in the space other than clamping structure, therefore whole length ranges of parts to be machined 10 can be carried out processing.
Relative to needing to process respectively from both ends, the installation way of secondary clamping, repositioning is needed, clamping structure of the invention avoids
The problem of secondary clamping bring machining accuracy decline, make machining accuracy and processing effect also more preferable with this.
In order to drive the radial direction at least partially along inner hole 11 of clamping section 20 mobile by driving assembly 30, such as
Shown in Fig. 2, the first perforating 21 is provided on clamping section 20, driving assembly 30 is at least partially disposed in the first perforating 21
And be movably disposed along the extending direction of the first perforating 21, to drive at least portion of clamping section 20 along the radial direction side of inner hole 11
To movement.
In the present embodiment, when driving assembly 30 is moved along the extending direction of the first perforating 21, driving assembly 30 is driven
At least portion of dynamic clamping section 20 is moved along the radial direction of inner hole 11, so that the inside support to parts to be machined 10 is realized,
The inside clamping to parts to be machined 10 is completed with this.
In order to guarantee that at least portion of clamping section 20 is moved along the radial direction of inner hole 11, clamping section 20 is elastic component,
Opened gap 22 is provided on clamping section 20, opened gap 22 is connected with the first perforating 21, in driving assembly 30 along
When the extending direction of one perforating 21 is mobile, the radial direction at least partially along inner hole 11 of clamping section 20 generates flexible deformation.
In the present embodiment, by setting elastic component for clamping section 20, and opened gap is provided on clamping section 20
22, so that driving assembly 30 can stretch to clamp portion outward when driving assembly 30 is moved along the extending direction of the first perforating 21
20, so that the radial direction at least partially along inner hole 11 of clamping section 20 generates flexible deformation, the i.e. at least portion of opened gap 22
Branch's support is big.
Preferably, opened gap 22 is multiple, and multiple opened gaps 22 are arranged along the circumferential direction interval of clamping section 20.
Preferably, opened gap 22 includes the first gap section, and clamping section 20 includes: clamp body 23, and clamp body 23 is for setting
It sets in inner hole 11, the first gap section is arranged on clamp body 23；Wherein, the clamp segment edge between two neighboring first gap section
The radial direction of inner hole 11 is movably disposed.
In the present embodiment, multiple first gap sections are provided on clamp body 23, i.e., clamp body 23 can be in driving assembly
It is displaced outwardly under 30 driving.
Preferably, the first gap section extends along the extending direction of clamp body 23, and clamp body 23 is divided into multiple clampings
Section, multiple clamp segments are synchronized along the radial direction of inner hole 11 and are movably disposed.
In the present embodiment, clamp body 23 is made of multiple clamp segments, i.e., is all had between two neighboring clamp segment
One gap section, under the driving of driving assembly 30, each clamp segment is displaced outwardly.
It is limited in order to stablize to parts to be machined 10, as shown in Fig. 2, clamp body 23 is cylindrical body, inner hole 11 is circle
Hole is provided with annular protrusion 231 in the circumferential exterior surface of clamp body 23, and annular protrusion 231 is used for and the hole wall of inner hole 11 limits
Contact.
In the present embodiment, at least two annular protrusions 231, i.e. clamp body are provided in the circumferential exterior surface of clamp body 23
23 are provided with annular protrusion 231 at the position of two end faces, when clamp body 23 is displaced outwardly, it is ensured that two rings
Shape protrusion 231 is contacted with the limit of the hole wall of inner hole 11.
Preferably, opened gap 22 includes the second gap section, and the first gap section is connected with the second gap section, clamping section 20
Further include: the first end of group section 24, group section 24 is connected with clamp body 23, and the second end of group section 24 is used for and default machine
Structure is connected；Wherein, the second gap section is arranged on group section 24, and the second gap is groove, the part group section of group section 24
Body is movably disposed along the radial direction of inner hole 11.
In the present embodiment, the second gap includes slot bottom and the two side walls that slot bottom both ends are arranged in, two side walls and slot
U-lag is formed between bottom.
In the present embodiment, clamping section 20 is made of clamp body 23 and group section 24, wherein and group section 24 is supporter,
And clamping section 20 is deformable body, since the second gap section is arranged on group section 24, i.e. the group section 24 of part is also deformable body,
Under the action of driving assembly 30, clamp body 23 and partial group section 24 connect root around it and rotate deformation, with this reality
Now stablizing for parts to be machined 10 is limited.
Preferably, clamping section 20 is prepared by 65Mn material.
In the present embodiment, clamping section 20 is made into inner conical hollow structure using 65Mn material, and hardness reaches after heat treatment
HRC48-55, and there is good flexibility and plasticity, six equal part of wire cutting is used after heat treatment, it is ensured that workpiece stress is equal
It is even.
For the specific structure of driving assembly 30, as shown in Fig. 2, driving assembly 30 includes: interior support part 31, interior support part 31 is wrapped
Bullet 311 is included, bullet 311 is arranged in the first perforating 21；Rod section 32, the first end of rod section 32 and interior support part 31
One end far from bullet 311 is connected, and the second end of rod section 32 with preset power mechanism for being connected, default dynamic
When force mechanisms drive interior support part 31 to move along the extending direction of the first perforating 21 by rod section 32, the driving folder of bullet 311
At least portion in tight portion 20 is moved along the radial direction of inner hole 11.
In the present embodiment, driving assembly 30 is made of interior support part 31 and rod section 32, wherein preset power mechanism passes through
It drives rod section 32 mobile, so that rod section 32 drives interior support part 31 mobile, makes bullet 311 drive clamping section with this
20 at least portion is moved along the radial direction of inner hole 11.
Preferably, the first perforating 21 includes taper hole section 211, and bullet 311 is movably disposed at taper hole section 211
Interior, the shrinkage direction of taper hole section 211 is consistent with the shrinkage direction of bullet 311.
In the present embodiment, the shrinkage direction of taper hole section 211 be for 211 body structures of taper hole section, and with
Its specific deformation or moving direction are unrelated, and correspondingly, the shrinkage direction of bullet 311 is also for 311 body structures of bullet
For.
Preferably, circumferential direction of multiple opened gaps 22 along clamping section 20 is uniformly distributed.
In the present embodiment, it is uniformly distributed by the circumferential direction by multiple opened gaps 22 along clamping section 20, i.e., along one
Angle between a two neighboring opened gap 22 of circumferential direction is equal.At this point it is possible to which it is rear past to strut each clamp segment
All directions fan-out angle is consistent, guarantees 10 centering of parts to be machined and uniform force with this.
In order to be arranged clamping structure in reset mechanism, as shown in Fig. 2, clamping structure further include: mandrel 40, core
The first end of axis 40 with reset mechanism for being connected, and the second end of mandrel 40 is connected with clamping section 20, so that clamping section 20
It is connected by mandrel 40 with reset mechanism；Wherein, driving assembly 30 is connected after passing through mandrel 40 with preset power mechanism, drives
Dynamic component 30 is movably disposed along the axial direction of mandrel 40.
In the present embodiment, by being provided with mandrel 40, it can position restriction is carried out to clamping section 20 by mandrel 40,
But also clamping structure can be arranged in reset mechanism.
In order to guarantee driving assembly 30 relative to 40 normal movement of mandrel, as shown in Fig. 2, clamping structure further include:
Disc spring group 50, disc spring group 50 are set on driving assembly 30, and first end and the mandrel 40 of disc spring group 50 abut against, disc spring group 50
Second end is abutted against with driving assembly 30.
In the present embodiment, by being provided with disc spring group 50 on driving assembly 30, thus when driving assembly 30 is mobile,
Even if appearance position deviates, it can also guarantee 30 return of driving assembly under the effect of the elastic force of disc spring group 50 or still normally move
It is dynamic.
In the present embodiment, disc spring group 50 is set in rod section 32.
In the present embodiment, disc spring group 50 is made of multiple disc springs, wherein only 2.0mm, shape are similar for single disc spring thickness
One has been scratched the dish-like elastomeric pad at dish bottom.
In the present embodiment, two neighboring disc spring using: two just, two it is counter be sequentially overlapped by the way of, it is ensured that disc spring group
50 have enough intensity, and can guarantee there is elasticity in axial direction.
Preferably, reset mechanism includes rotary driving part and fixed part, clamping structure further include: axle sleeve 60, axle sleeve 60 with
Fixed part is connected, and mandrel 40 is connected after passing through axle sleeve 60 with clamping section 20, and axle sleeve 60 and the interval of parts to be machined 10 are arranged；
Wherein, rotary driving part and mandrel 40 are drivingly connected, to drive mandrel 40 to rotate relative to axle sleeve 60.
In the present embodiment, clamping structure is fixed on fixed part by axle sleeve 60, and rotary driving part can drive core
Axis 40 rotates, and drives parts to be machined 10 to rotate by clamping section 20 with this.
In the present embodiment, it is provided with multiple angular contact ball bearings 70 between mandrel 40 and axle sleeve 60, mandrel is guaranteed with this
40 relative to 60 normal rotation of axle sleeve.
In the present embodiment, angular contact ball bearing 70 is at least three, and two of them angular contact ball bearing 70 is set gradually,
Another is arranged with one of interval, has preceding inner split ring between two spaced 70 inner ring of angular contact ball bearing
80, there is between two spaced 70 outer rings of angular contact ball bearing preceding outer spacer ring 90.
In the present embodiment, locking nut 200 is arranged on mandrel 40, locking nut 200 and angular contact ball bearing 70 it
Between be provided with before inner spacing collar 100.
In the present embodiment, mandrel 40 guarantees it by three groups of angular contact ball bearings 70 and one group of cylinder roller bearing 220
It is concentric with axle sleeve 60 when rotation.The end of mandrel 40 is provided with external screw thread, connect with the internal screw thread of rear end nut 160.Rear end spiral shell
Mother 160 is available to limit rear stub 120, and rear stub 120 and axle sleeve 60 are fixed.The external structure of axle sleeve 60 and lathe connects
It connects.By above structure, mandrel 40 can make rotating motion, and cannot do radial motion.
In the present embodiment, back nut spacer 170, cylinder are provided between rear end nut 160 and cylinder roller bearing 220
The first spacer 130 and the second spacer 140 are disposed between roller bearing 220 and mandrel 40.
In the present embodiment, it is connected between mandrel 40 and rotary driving part by a couplet joint 150, and a couplet joint
150 are connect with mandrel 40 by screw 210.
In the present embodiment, the side that axle sleeve 60 deviates from rear stub 120 is arranged in drive end bearing bracket 180.
In the present embodiment, straight end-face key 190 is for connecting mandrel 40 and clamping section 20.
In the present embodiment, clamping section 20 is the practical part contacted with parts to be machined 10 in use, is clamped
The inside in portion 20 is tapered, is formed and is cooperated with the male cone (strobilus masculinus) of driving assembly 30, the movement by controlling driving assembly 30 realize to
The clamping and release of processing component 10.When driving assembly 30 is moved outwardly against the direction of clamping section 20, then the six of clamping section 20
Chip architecture is softened, and parts to be machined 10 is clamped.Conversely, six chip architectures are sprung back, parts to be machined 10 is released.
In the present embodiment, driving assembly 30 is made of interior support part 31 and rod section 32, interior support part 31 not with clamping section
One end of 20 cooperations is provided with internal screw thread, and 32 one end of rod section is provided with external screw thread, and rod section 32 passes through the disc spring in mandrel 40
Group control, realizes the movement upward in spindle shaft.When rod section 32 is when the axis of main shaft moves upwards, interior support part 31 be pulled with
Movement, clamping section 20 under the action of interior support part 31 stretching or unclamp parts to be machined 10.
In the present embodiment, clamping section 20 is fixed in use on the mandrel 40 of main shaft.In this way, parts to be machined
It can be rotated together with mandrel after 10 clampings.Due to two end faces of cylinder part (parts to be machined 10) and entire outer circle
All it is that therefore the turning processing of the face work at both ends, chamfering and overall length may be implemented outside fixture, uses the design
Fixture can according to process requirement select form processing.
The present invention also provides a kind of lathe, including clamping structure and reset mechanism, clamping structure is arranged in reset mechanism
On, clamping structure is above-mentioned clamping structure.
In the present embodiment, lathe can be lathe or grinding machine.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements:
Parts to be machined 10 can be stably installed by clamping structure of the invention by clamping section 20 and driving assembly 30
Onto reset mechanism.Wherein, in specific clamping process, clamping section 20 with reset mechanism for being connected, and clamping section 20 is extremely
For being arranged in the inner hole 11 of parts to be machined 10, the first end of driving assembly 30 and clamping section 20 are drivingly connected small part,
Drive the radial direction at least partially along inner hole 11 of clamping section 20 mobile by driving assembly 30, until clamping section 20 is at least
Part fits with the hole wall of inner hole 11 so that parts to be machined 10 steadily clamping on clamping section 20.Of the invention
Clamping structure does not have to secondary clamping since clamping section 20 belongs to internal clamping in process, when so as to shorten processing
Between, solve the problems, such as that parts to be machined clamping in the prior art is more time-consuming.
Clamping structure of the invention be it is a kind of using inner support mode realize cylinder part (parts to be machined 10) clamp to expire
Sufficient part overall length disposably processes the fixture of needs.Using the clamp structure (clamping section 20) of fragment type, realizes part and exist
It can still provide for cylindrical turning, the face work, chamfer machining of overall length after clamping.If part both ends of the surface are both needed to turning, chamfering, remain to
Realize that clamped one time completes processing by the design.Process is realized by fixture improvement to simplify, and improves production efficiency.Such folder
The clamping mode realization having to cylinder part is simple and quick, and it is especially suitable to automate processing occasion in high-frequency.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein for example can be in addition to herein
Sequence other than those of diagram or description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process, method, system, product or equipment of a series of steps or units not
Those of be necessarily limited to be clearly listed step or unit, but may include be not clearly listed or for these processes, side
The intrinsic other step or units of method, product or equipment.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of clamping structure, the clamping structure is for clamping parts to be machined (10), which is characterized in that the clamping structure
Include:
Clamping section (20), the clamping section (20) at least partly for being arranged in the inner hole (11) of parts to be machined (10) and
Radial direction along the inner hole (11) is movably disposed；
Driving assembly (30), the driving component (30) and the clamping section (20) are drivingly connected, and the driving component (30) is used
In the mobile pre-determined distance of the radial direction at least partially along the inner hole (11) for driving the clamping section (20), so that the folder
The hole wall at least partly with the inner hole (11) in tight portion (20) fits.
2. clamping structure according to claim 1, which is characterized in that be provided with the first perforating on the clamping section (20)
(21), the driving component (30) is at least partially disposed in first perforating (21) and along first perforating
(21) extending direction is movably disposed, to drive at least portion of the clamping section (20) along the radial direction side of the inner hole (11)
To movement.
3. clamping structure according to claim 2, which is characterized in that the clamping section (20) is elastic component, the clamping
It is provided in portion (20) opened gap (22), the opened gap (22) is connected with first perforating (21), in institute
State driving assembly (30) it is mobile along the extending direction of first perforating (21) when, the clamping section (20) at least partially along
The radial direction of the inner hole (11) generates flexible deformation.
4. clamping structure according to claim 3, which is characterized in that the opened gap (22) be it is multiple, it is multiple described
Opened gap (22) is arranged along the circumferential direction interval of the clamping section (20).
5. clamping structure according to claim 4, which is characterized in that the opened gap (22) includes the first gap section,
The clamping section (20) includes:
Clamp body (23), for being arranged in the inner hole (11), the first gap section is arranged in institute the clamp body (23)
It states on clamp body (23)；
Wherein, the clamp segment between the two neighboring first gap section is movably set along the radial direction of the inner hole (11)
It sets.
6. clamping structure according to claim 5, which is characterized in that the first gap section is along the clamp body (23)
Extending direction extends, and the clamp body (23) is divided into multiple clamp segments, multiple clamp segments are along the inner hole
(11) radial direction, which synchronizes, to be movably disposed.
7. clamping structure according to claim 5, which is characterized in that the clamp body (23) is cylindrical body, the inner hole
(11) it is circular hole, is provided with annular protrusion (231) in the circumferential exterior surface of the clamp body (23), the annular protrusion (231)
For being contacted with the limit of the hole wall of the inner hole (11).
8. clamping structure according to claim 5, which is characterized in that the opened gap (22) includes the second gap section,
The first gap section is connected with the second gap section, the clamping section (20) further include:
The first end of group section (24), the group section (24) is connected with the clamp body (23), the group section (24)
Second end with reset mechanism for being connected；
Wherein, the second gap section is arranged on the group section (24), and second gap is groove, the group section
(24) part switching segment body is movably disposed along the radial direction of the inner hole (11).
9. the clamping structure according to any one of claim 3 to 8, which is characterized in that the clamping section (20) is by 65Mn
Material is prepared.
10. the clamping structure according to any one of claim 2 to 8, which is characterized in that the driving component (30) packet
It includes:
Interior support part (31), the interior support part (31) includes bullet (311), and bullet (311) setting is worn described first
In apertured (21)；
The one of rod section (32), the first end of the rod section (32) and the interior support part (31) separate the bullet (311)
End is connected, and the second end of the rod section (32) with preset power mechanism for being connected, in the preset power mechanism
It is described when driving the interior support part (31) mobile along the extending direction of first perforating (21) by the rod section (32)
Bullet (311) drives at least portion of the clamping section (20) mobile along the radial direction of the inner hole (11).
11. clamping structure according to claim 10, which is characterized in that first perforating (21) includes taper hole section
(211), the bullet (311) is movably disposed in the taper hole section (211), the receipts of the taper hole section (211)
Contracting direction is consistent with the shrinkage direction of the bullet (311).
12. clamping structure according to claim 4, which is characterized in that multiple opened gaps (22) are along the clamping
The circumferential direction in portion (20) is uniformly distributed.
13. clamping structure according to claim 1, which is characterized in that the clamping structure further include:
Mandrel (40), the first end of the mandrel (40) for being connected with reset mechanism, the second end of the mandrel (40) with
The clamping section (20) is connected, so that the clamping section (20) are connected by the mandrel (40) with the reset mechanism；
Wherein, the driving component (30) passes through the mandrel (40) and is connected afterwards with preset power mechanism, the driving component
(30) axial direction along the mandrel (40) is movably disposed.
14. clamping structure according to claim 13, which is characterized in that the clamping structure further include:
Disc spring group (50), the disc spring group (50) are set on the driving component (30), the first end of the disc spring group (50)
It is abutted against with the mandrel (40), second end and the driving component (30) of the disc spring group (50) abut against.
15. clamping structure according to claim 13, which is characterized in that the reset mechanism includes rotary driving part and consolidates
Determine portion, the clamping structure further include:
Axle sleeve (60), the axle sleeve (60) are connected with the fixed part, the mandrel (40) pass through the axle sleeve (60) afterwards with
The clamping section (20) is connected, and the axle sleeve (60) and the parts to be machined (10) interval are arranged；
Wherein, rotary driving part and the mandrel (40) are drivingly connected, to drive the mandrel (40) relative to the axle sleeve
(60) it rotates.
16. a kind of lathe, including clamping structure and reset mechanism, the clamping structure is arranged in the reset mechanism, special
Sign is that the clamping structure is clamping structure described in any one of claims 1 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811555262.9A CN109482924B (en) | 2018-12-18 | 2018-12-18 | Clamping structure and machine tool with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811555262.9A CN109482924B (en) | 2018-12-18 | 2018-12-18 | Clamping structure and machine tool with same |
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| Publication Number | Publication Date |
|---|---|
| CN109482924A true CN109482924A (en) | 2019-03-19 |
| CN109482924B CN109482924B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811555262.9A Active CN109482924B (en) | 2018-12-18 | 2018-12-18 | Clamping structure and machine tool with same |
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| Country | Link |
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| CN (1) | CN109482924B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666686A (en) * | 2019-11-11 | 2020-01-10 | 安阳德一机床附件制造有限公司 | Tensioning mechanism of rear-pull main shaft |
| CN113977475A (en) * | 2021-09-30 | 2022-01-28 | 丹阳市剑庐工具有限公司 | Quick locking device and locking method for accessory tool |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013170475A1 (en) * | 2012-05-18 | 2013-11-21 | 浙江联宜电机股份有限公司 | Expanding and tightening clamping tool |
| CN205341976U (en) * | 2015-11-30 | 2016-06-29 | 沪东重机有限公司 | A hole is from elastic fixture that feels relieved for long and thin part |
| CN206605389U (en) * | 2017-03-28 | 2017-11-03 | 郑州磨料磨具磨削研究所有限公司 | Pull-type elastic jacket positioning clamping device in a kind of high-precision axis of cone |
| CN108297002A (en) * | 2018-01-08 | 2018-07-20 | 歌尔股份有限公司 | Clamping automatic inner-support tooling and automatic inner-support localization machine |
| CN207724122U (en) * | 2017-12-04 | 2018-08-14 | 中国航发南方工业有限公司 | Hollow thin-wall shaft forgings processing and loading clamp fixture |
| CN108747333A (en) * | 2018-08-17 | 2018-11-06 | 珠海格力智能装备有限公司 | Clamp system |
| CN209407465U (en) * | 2018-12-18 | 2019-09-20 | 珠海格力智能装备有限公司 | Clamping structure and lathe with it |
-
2018
- 2018-12-18 CN CN201811555262.9A patent/CN109482924B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013170475A1 (en) * | 2012-05-18 | 2013-11-21 | 浙江联宜电机股份有限公司 | Expanding and tightening clamping tool |
| CN205341976U (en) * | 2015-11-30 | 2016-06-29 | 沪东重机有限公司 | A hole is from elastic fixture that feels relieved for long and thin part |
| CN206605389U (en) * | 2017-03-28 | 2017-11-03 | 郑州磨料磨具磨削研究所有限公司 | Pull-type elastic jacket positioning clamping device in a kind of high-precision axis of cone |
| CN207724122U (en) * | 2017-12-04 | 2018-08-14 | 中国航发南方工业有限公司 | Hollow thin-wall shaft forgings processing and loading clamp fixture |
| CN108297002A (en) * | 2018-01-08 | 2018-07-20 | 歌尔股份有限公司 | Clamping automatic inner-support tooling and automatic inner-support localization machine |
| CN108747333A (en) * | 2018-08-17 | 2018-11-06 | 珠海格力智能装备有限公司 | Clamp system |
| CN209407465U (en) * | 2018-12-18 | 2019-09-20 | 珠海格力智能装备有限公司 | Clamping structure and lathe with it |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666686A (en) * | 2019-11-11 | 2020-01-10 | 安阳德一机床附件制造有限公司 | Tensioning mechanism of rear-pull main shaft |
| CN113977475A (en) * | 2021-09-30 | 2022-01-28 | 丹阳市剑庐工具有限公司 | Quick locking device and locking method for accessory tool |
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| Publication number | Publication date |
|---|---|
| CN109482924B (en) | 2024-03-08 |
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