CN208451077U - A kind of nonmetallic piston ring machining tooling - Google Patents
A kind of nonmetallic piston ring machining tooling Download PDFInfo
- Publication number
- CN208451077U CN208451077U CN201820609351.6U CN201820609351U CN208451077U CN 208451077 U CN208451077 U CN 208451077U CN 201820609351 U CN201820609351 U CN 201820609351U CN 208451077 U CN208451077 U CN 208451077U
- Authority
- CN
- China
- Prior art keywords
- piston ring
- installation set
- ring
- tooling
- installation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of nonmetallic piston rings to be machined tooling, belong to piston ring processing and manufacturing field, including carrying out the first tooling of Excircle machining for ring installation and carrying out the second tooling of inner circle processing for ring installation, first tooling includes core sleeve, mandrel, fixed bulge loop, inner circle installation set and secure component；Second tooling includes mounting base and outer circle installation set, and the right end face of the mounting base is equipped with a cavity, and the mounting base right end is threaded with outer circle installation set；The inner shaft of both the inner circle installation set and outer circle installation set is equipped with one upwards can accommodate the through-hole of piston ring, and the through-hole has the guide section of a cone cell.The utility model using two sets toolings can reliable, effective ring installation carry out inner ring and outer ring processes, installation accuracy height, can be avoided piston ring discontinuity or excessive during the installation process, deformation is excessive and the problem of fragmentation.
Description
Technical field
The utility model relates to piston rings to fabricate field, be a kind of nonmetallic piston ring machining specifically
Tooling.
Background technique
With the development of modern technologies, the case where fixation nonmetallic materials of oil-free lubrication are used as cylinder piston ring, is increasingly
It is more.The method that these piston rings mostly use machining manufactures, and the most brittleness of the solid non-metallic materials of oil-free lubrication is big, elasticity
Difference, easy fragmentation, it is difficult to which machining high-precision piston ring, yield rate are very low.
When piston ring complete blank forming, and hold successfully installation seam after, slot need to be closed up according to installation and operation state, complete most
Rear outer circle and inner circle processing, at this time can be because of fragmentation caused by mishandling when being loaded and closing up installation seam.The reason of fragmentation, is not
The outer undue force when closing up installation seam causes piston ring local pressure excessive, deforms excessive and broken.One is provided herein
A prior art by applicant's retrieval is as reference:
The prior art: it is public in the patent application document of CN102825576A that (bulletin) number is disclosed in Chinese patent literature
A kind of piston ring installing tooling has been opened, field of mechanical technique is belonged to.It is difficult to install and installing that it solves existing piston ring
The problem of piston ring is vulnerable to damage in journey.This piston ring installing tooling includes pedestal, the installation sleeve on pedestal and bullet
Property element, the top surface of the pedestal is concavely provided with opening up cavity, and the installation sleeve is set in cavity, the installation set
It is spaced apart from each other between the bottom end end face of cylinder and the bottom wall of cavity；The top of the elastic element is set on the bottom wall of cavity；It is described
The bottom of elastic element is resisted against the bottom end of installation sleeve.This piston ring installing tooling can easily install piston ring into piston
In annular groove, and without compressing piston ring, effectively piston ring can be avoided to be damaged.
But the mounting tool is when installing piston ring, due to installation sleeve by spring as flexibly supporting,
So that the unbalance stress when pressing installation sleeve, be easy to cause the damage of piston ring, especially for the peace of nonmetallic piston ring
For dress, installation accuracy is not high so that influencing piston ring carries out inner circle processing.
Utility model content
The purpose of this utility model is to provide a kind of nonmetallic piston rings to be machined tooling, and solution exists in the prior art
Installation accuracy is not high when installing to piston ring, be easy to cause the problem of piston ring discontinuity, deformation excessive and fragmentation.
The utility model is achieved through the following technical solutions:
A kind of nonmetallic piston ring machining tooling, the first tooling including carrying out Excircle machining for ring installation
With the second tooling that inner circle processing is carried out for ring installation, first tooling include core sleeve, mandrel, fixed bulge loop,
Inner circle installation set and secure component, one end of the mandrel are nested and fixed core sleeve, set in the right end face of the core sleeve
There is the fixation bulge loop coaxial with mandrel, the inner circle installation set for ring installation, institute are threaded on the fixed bulge loop
It states after secure component is mounted on mandrel for piston ring to be processed by inner circle installation set and is fastened；The second tooling packet
Mounting base and outer circle installation set are included, the right end face of the mounting base is equipped with a cavity, and the mounting base right end is threadedly coupled
There is outer circle installation set；The inner shaft of both the inner circle installation set and outer circle installation set is equipped with one upwards can accommodate piston ring
Through-hole, the through-hole have the guide section of a cone cell.
Further, in order to be preferably illustrated to the utility model, the through-hole include the interconnecting piece set gradually,
The interconnecting piece in processing department, cone cell guide part and loading portion, the inner circle installation set is connect with core sleeve, the outer circle installation set
Interconnecting piece is connect with mounting base；The processing department is connect with cone cell guide part small end, the internal diameter of the processing department and work to be processed
The outer diameter that plug ring is under installation seam closed state is equal；The loading portion is connect with the big end of cone cell guide part, the loading
The internal diameter in portion and piston ring to be processed in the raw under outer diameter it is equal；The cone cell guide part is by processing department and loading portion
It links together.
Further, in order to preferably be illustrated to the utility model, the secure component includes nuts and washers, institute
It states mandrel and is equipped with the thread segment to match with nut, the washer is arranged between nut and piston ring.
Further, in order to preferably be illustrated to the utility model, the bottom of the cavity is equipped with groove.
Further, in order to preferably be illustrated to the utility model, the piston ring is installed by outer circle installation set
After in cavity, outer circle installation set is removed and is socketed in mounting base with gland nut screw thread, the gland nut is equipped with
The threaded one end of the connection through-hole being connected to cavity, the connection through-hole is socketed in mounting base.
The utility model compared with prior art, have the following advantages that and the utility model has the advantages that
(1) the first tooling and the second tooling installed to piston ring inner circle and outer circle are respectively used to by setting, matched
Complete the installation requirements to the overall processing of piston ring, the inner circle installation set being threadedly coupled with core sleeve and mounting base, outer circle peace
Encapsulation, convenient disassembly can effectively, reliably install multiple piston rings, be avoided that under the action of secure component to piston
Loosening when ring is processed.
(2) by the inside and outside round installation set of setting, piston ring passes sequentially through the loading portion of through-hole, taper portion, processing department,
Installation set can be attached fixation by the tooling of interconnecting piece and fixed piston ring, and loading portion can be packed into one or more work
Plug ring can allow piston ring gradually from nature homogeneous deformation, to reach installation seam closure when piston ring passes through taper portion
State, local pressure when avoiding installation is excessive, deforms excessive situation and occurs, effectively avoids piston ring when being loaded
The phenomenon that fragmentation, occurs；Working position is then reached when piston ring reaches processing department by taper portion；The installation set of this structure can
Inside and outside circle is installed when with to piston ring finishing processing, reliable effective.
Detailed description of the invention
Fig. 1 is the piston ring figure of the nature of the utility model；
Fig. 2 is the piston ring figure of the installation seam closure dress state of the utility model；
Fig. 3 is the figure that is loaded of the fine turning outer circle secondary piston ring of the utility model；
Piston ring completes the machining state figure after being loaded when Fig. 4 is the fine turning outer circle of the utility model；
Fig. 5 is loaded the outer circle installation set of piston ring when being the fine turning outer circle of the utility model；
Fig. 6 is the figure that is loaded of the smart car inner circle secondary piston ring of the utility model；
Fig. 7 is that bowlder piston ring completes the machining state figure after being loaded in the smart car of the utility model；
Fig. 8 is loaded the inner circle installation set of piston ring when being the smart car inner circle of the utility model；
Wherein 1- mandrel；2- piston ring；3- washer；4- nut；5- outer circle installation set；51- interconnecting piece；52- processing department；
53- taper portion；54- loading portion；6- core sleeve；7- gland nut；8- machine chuck；9- installation seam；10- fixes bulge loop；11- peace
Fill seat；12- connection through-hole；13- inner circle installation set.
Specific embodiment
The utility model is described in further detail below with reference to embodiment, but the embodiments of the present invention is not
It is limited to this.
Embodiment 1:
In conjunction with shown in attached drawing 1-8, a kind of nonmetallic piston ring machining tooling, including carried out for ring installation 2
First tooling of Excircle machining and the second tooling that inner circle processing is carried out for ring installation 2, first tooling includes core
Core sleeve is nested and fixed in axle sleeve 6, mandrel 1, fixed bulge loop 10, inner circle installation set 13 and secure component, one end of the mandrel 1
6, the right end face of the core sleeve 6 is equipped with the fixation bulge loop 10 coaxial with mandrel 1, is threadedly coupled on the fixed bulge loop 10
There is the inner circle installation set 13 for ring installation 2, the secure component passes through inner circle installation set 13 for piston ring 2 to be processed
It is fastened after being mounted on mandrel 1；Second tooling includes mounting base 11 and outer circle installation set 5, the mounting base 11
Right end face is equipped with a cavity, and 11 right end of mounting base is threaded with outer circle installation set 5；13 He of inner circle installation set
The inner shaft of both outer circle installation sets 5 is equipped with one upwards can accommodate the through-hole of piston ring 2, and the through-hole has leading for a cone cell
To section.
Implementation principle: respectively installing piston ring 2 with two toolings, can be realized inside and outside in progress to piston ring 2
Installation requirements when circle processing；When carrying out Excircle machining installation, by piston under being acted on by the guidance installation of outer circle installation set 5
Ring 2 is installed on mandrel 1, and is fastened by secure component, can effectively prevent the loosening of piston ring 2；Carrying out inner circle
When processing installation, by being mounted in the cavity of mounting base 11 under the guiding function of inner circle installation set 13 into piston ring 2, realizes and live
The inner circle of plug ring 2 processes installation requirements；By the through-hole with a cone cell guide section, the installation of mounting ring can be effectively guided,
The situation that local pressure is excessive, deformation is excessive is effectively avoided during installation to occur；Installation, convenient disassembly.
It is the use process of the first tooling and the second tooling below:
The processing of completion 2 blank of piston ring first, including installation seam 9 are also appropriate to open, as shown in Figure 1, piston ring 2 should contain outside
Round and inner circle machining allowance.The installation of piston ring 2 need to be made to stitch 9 closures when smart car under the effect of external force, as shown in Fig. 2, again
Its outer circle of smart car and inner circle.Since the processing of piston ring 2 includes smart car inner circle and fine turning outer circle, when carrying out its installation respectively,
Different toolings need to be cooperated to assist completing the smart car of piston ring 2.It is illustrated below according to attached drawing:
(a) Excircle machining: one end of pre-production mandrel 1 and core sleeve 6, core sleeve 6 is fixed by machine chuck 8, another
End is threadedly coupled outer circle installation set 5, (the installation seam 9 of state shown in the intermediate position diameter and Fig. 2 of mandrel 1 by fixed bulge loop 10
Closed state) blank to be processed internal diameter it is equal.Be loaded piston ring 2 when, need to use Excircle machining outer circle installation set
5。
The cone cell of outer circle installation set 5 is the mounting tool with a cone cell guide section, through-hole small end inner diameter and work
Outer diameter under the state shown in Fig. 2 of plug ring 2 (9 closed states of installation seam) is equal；Its through-hole big end internal diameter and piston ring 2 are in Fig. 1
Outer diameter under shown state (nature) is equal；Gradually uniformly become from nature by the guide section of cone cell by piston ring 2
Shape reaches the state of 9 closure of installation seam, avoids the problem that local pressure is excessive when installation, deformation is excessive and fragmentation.
Piston ring 2 be loaded as shown in figure 3, to be first packed into piston ring 2 from its big end in outer circle installation set 5 one or more,
Insertion mandrel 1 is simultaneously inserted into the root at the intermediate position of mandrel 1 and is attached fixation by fixed bulge loop 10, slowly pushes live at this time
Plug ring 2 is from big end to small end, while what piston ring 2 came into mandrel 1 is intermediate position.Piston ring 2 passes through tight after installing
Gu component is fastened, prevent from being restored to nature after removing outer circle installation set 5.The outer diameter of fixed bulge loop 10 is less than piston ring
2 in closed state outer diameter of a circle and be greater than in closed state in diameter of a circle.
Outer circle installation set 5 can be removed after completing the above operation, as shown in Figure 4.It at this time can smooth machining piston ring 2
Outer circle.
(b) inner circle is processed: one end of pre-production mounting base 11, mounting base 11 is fixed by machine chuck 8, and the other end has outer
Screw thread, mounting base 11 are equipped with cavity, state shown in the diameter and Fig. 2 of cavity (9 closed states of installation seam) by the right side of screw thread
Blank to be processed outer diameter it is equal, the cavity of mounting base 11 be fill piston ring 2 space.Be loaded piston ring 2 when, need using
Inner circle installation set 13.
Inner circle installation set 13 is the mounting tool with a cone cell guide section, one end and mounting base close to through-hole small end
The socket of 11 screw threads, the diameter of cavity are equal with the diameter of through-hole small end.
Piston ring 2 be loaded as shown in fig. 6, being connected first with inner circle installation set 13 and mounting base 11.Then in inner circle
The through-hole big end of installation set 13 is packed into 2 one or more of piston ring, slowly pushes piston ring 2 mobile simultaneously from big end to small end at this time
It enters in cavity, completes the installation of piston ring 2.
After completing the above operation, as shown in Figure 7.
Embodiment 2:
On the basis of embodiment 1, in conjunction with shown in attached drawing 1-8, the through-hole includes the interconnecting piece 51 set gradually, processing
The interconnecting piece 51 in portion 52, cone cell guide part 53 and loading portion 54, the inner circle installation set 13 is connect with core sleeve 6, the outer circle
The interconnecting piece 51 of installation set 5 is connect with mounting base 11；The processing department 52 is connect with 53 small end of cone cell guide part, the processing department
52 internal diameter is equal with the outer diameter that piston ring 2 to be processed is under installation 9 closed states of seam；The loading portion 54 is oriented to cone cell
The big end in portion 53 connects, the internal diameter in the loading portion 54 and piston ring 2 to be processed in the raw under outer diameter it is equal；It is described
Cone cell guide part 53 links together processing department 52 and loading portion 54.
Implementation principle: by interconnecting piece 51 enable inner circle installation set 13 and outer circle installation set 5 respectively with fixed bulge loop
10 and the matching of mounting base 11 to be merged into row effectively fixed, prevent piston ring 2 generates during installation offset with it is not compact, avoid pair
Machining accuracy when inner ring and outer ring is processed impacts；Piston ring 2 passes sequentially through 54 cone cell guide part of loading portion 53 and adds
The Ministry of worker 52 can allow piston ring 22 gradually from nature homogeneous deformation, to reach installation when especially by cone cell guide part 53
The state of 9 closure of seam, local pressure when avoiding installation is excessive, deforms excessive situation and occurs, effectively avoids piston
Generation the phenomenon that fragmentation when being loaded of ring 2；The feeding of piston ring 2 effectively can be installed to cavity or mandrel 1 by processing department 52
On, reach Working position.
Piston ring 2 be loaded as shown in figure 3, being first packed into 2 one or more, piston ring in the loading portion 54 of outer circle installation set 5
It is a, it is inserted into mandrel 1 and is inserted into the root at the intermediate position of mandrel 1, slowly piston ring 2 is pushed to enter by cone cell guide part 53 at this time
Processing department 52, while what piston ring 2 came into mandrel 1 is intermediate position, reaches position needed for processing.
Embodiment 3:
On the basis of embodiment 2, in conjunction with shown in attached drawing 1-8, the secure component includes nut 4 and washer 3, the core
Axis 1 is equipped with the thread segment to match with nut 4, and the washer 3 is arranged between nut 4 and piston ring 2.
Implementation principle: installation upper gasket 3 and nut 4 can compress the piston ring 2 at the intermediate position of mandrel 1, prevent outer circle from pacifying
Encapsulation 5 removes rear piston ring 2 and restores nature, as shown in Figure 1, convenient disassembly.
Embodiment 4:
On the basis of embodiment 3, in conjunction with shown in attached drawing 6-7, the bottom of the cavity is equipped with groove.
Implementation principle:, can be empty to provide processing by the processing of 2 inner circle of piston ring of bottom by the way that groove is arranged in bottom
Between, diameter is less than piston ring 2 and outer diameter of a circle and is greater than interior diameter of a circle in closed state in closed state.
Embodiment 5:
On the basis of embodiment 4, in conjunction with shown in attached drawing 6-7, the piston ring 2 is mounted on recessed by outer circle installation set 5
After intracavitary, outer circle installation set 5 is removed and is socketed in mounting base 11 with 7 screw thread of gland nut, the gland nut 7 is equipped with
The threaded one end of the connection through-hole 12 being connected to cavity, the connection through-hole 12 is socketed in mounting base 11.
Implementation principle: gland nut 7 can either prevent piston ring 2 from taking off from cavity to being fixed after installing
From and be restored to nature, and the processing operation to inner circle, convenient disassembly can be carried out by connection through-hole 12 thereon；Even
The diameter outer diameter for connecting hole 12 is less than the outer diameter of a circle and straight greater than inner circle in closed state in closed state of piston ring 2
Diameter.
Piston ring 2 described in embodiment described above is piston ring 2(blank piston ring to be processed).
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, any simple modification made by the above technical examples according to the technical essence of the present invention, equivalent variations, each falls within
Within the protection scope of the utility model.
Claims (5)
1. a kind of nonmetallic piston ring is machined tooling, the first work including carrying out Excircle machining for ring installation (2)
Dress and the second tooling that inner circle processing is carried out for ring installation (2), which is characterized in that first tooling includes core sleeve
(6), mandrel (1), fixed bulge loop (10), inner circle installation set (13) and secure component, one end of the mandrel (1) are nested and fixed
The right end face of core sleeve (6), the core sleeve (6) is equipped with the fixation bulge loop (10) coaxial with mandrel (1), and the fixation is convex
The inner circle installation set (13) for ring installation (2) is threaded on ring (10), the secure component is used for work to be processed
Plug ring (2) is fastened after being mounted on mandrel (1) by inner circle installation set (13)；Second tooling includes mounting base (11)
With outer circle installation set (5), the right end face of the mounting base (11) is equipped with a cavity, and mounting base (11) the right end screw thread connects
It is connected to outer circle installation set (5)；The inner shaft of the inner circle installation set (13) and outer circle installation set (5) the two is equipped with one upwards can
The through-hole of piston ring (2) is accommodated, the through-hole has the guide section of a cone cell.
2. a kind of nonmetallic piston ring according to claim 1 is machined tooling, which is characterized in that the through-hole includes
The interconnecting piece (51) that sets gradually, processing department (52), cone cell guide part (53) and loading portion (54), the inner circle installation set (13)
Interconnecting piece (51) connect with core sleeve (6), the interconnecting piece (51) of the outer circle installation set (5) is connect with mounting base (11)；Institute
It states processing department (52) to connect with cone cell guide part (53) small end, at the internal diameter of the processing department (52) and piston ring to be processed (2)
It is equal that the outer diameter under (9) closed state is stitched in installation；The loading portion (54) connect with the big end of cone cell guide part (53), described
The internal diameter in loading portion (54) and piston ring to be processed (2) in the raw under outer diameter it is equal；The cone cell guide part (53)
Processing department (52) and loading portion (54) are linked together.
3. a kind of nonmetallic piston ring according to claim 1 is machined tooling, which is characterized in that the secure component
Including nut (4) and washer (3), the mandrel (1) is equipped with the thread segment to match with nut (4), washer (3) setting
Between nut (4) and piston ring (2).
4. a kind of nonmetallic piston ring according to claim 1 is machined tooling, which is characterized in that the bottom of the cavity
Portion is equipped with groove.
5. a kind of nonmetallic piston ring according to claim 1 is machined tooling, which is characterized in that the piston ring
(2) after being mounted in cavity by outer circle installation set (5), outer circle installation set (5) is removed and is socketed with gland nut (7) screw thread
On mounting base (11), the gland nut (7) is equipped with the connection through-hole (12) being connected to cavity, the connection through-hole (12)
Threaded one end be socketed on mounting base (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820609351.6U CN208451077U (en) | 2018-04-26 | 2018-04-26 | A kind of nonmetallic piston ring machining tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820609351.6U CN208451077U (en) | 2018-04-26 | 2018-04-26 | A kind of nonmetallic piston ring machining tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208451077U true CN208451077U (en) | 2019-02-01 |
Family
ID=65151964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820609351.6U Active CN208451077U (en) | 2018-04-26 | 2018-04-26 | A kind of nonmetallic piston ring machining tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208451077U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842577A (en) * | 2019-12-10 | 2020-02-28 | 安庆海威尔机械有限公司 | Blank stacking device |
| CN110802417B (en) * | 2019-12-10 | 2021-03-16 | 安庆海威尔机械有限公司 | Inner circle and outer circle turning device |
| CN114161087A (en) * | 2021-12-01 | 2022-03-11 | 上海航天设备制造总厂有限公司 | Method for processing valve assembly made of dissimilar materials |
| CN114233854A (en) * | 2021-12-28 | 2022-03-25 | 南通市电站阀门有限公司 | Metal self-sealing ring for valve, machining tool and machining method |
-
2018
- 2018-04-26 CN CN201820609351.6U patent/CN208451077U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110842577A (en) * | 2019-12-10 | 2020-02-28 | 安庆海威尔机械有限公司 | Blank stacking device |
| CN110802417B (en) * | 2019-12-10 | 2021-03-16 | 安庆海威尔机械有限公司 | Inner circle and outer circle turning device |
| CN114161087A (en) * | 2021-12-01 | 2022-03-11 | 上海航天设备制造总厂有限公司 | Method for processing valve assembly made of dissimilar materials |
| CN114161087B (en) * | 2021-12-01 | 2023-11-28 | 上海航天设备制造总厂有限公司 | Processing method of valve assembly composed of dissimilar materials |
| CN114233854A (en) * | 2021-12-28 | 2022-03-25 | 南通市电站阀门有限公司 | Metal self-sealing ring for valve, machining tool and machining method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208451077U (en) | A kind of nonmetallic piston ring machining tooling | |
| CN106555795A (en) | A kind of expansion link | |
| CN208467678U (en) | A kind of jig for nut implantation | |
| CN209206500U (en) | Gear ring cylindrical turning fixture | |
| CN208147756U (en) | A kind of fast-connecting type pin removal | |
| CN107504013A (en) | A kind of single-acting cylinder | |
| CN108161094A (en) | It is a kind of to dock the auxiliary locator of helical milling and hole milling method for wing body | |
| CN208644719U (en) | A kind of piston ring processing dress ring tooling | |
| CN107824808A (en) | For numerically controlled lathe accurately afterwards positioning and quickly discharging material device | |
| CN106078299A (en) | A kind of elastic fixture mechanism | |
| CN203610938U (en) | Connecting tube multi-dimensional pressure point mechanism | |
| CN205136249U (en) | Bullet card formula connecting piece | |
| CN204823364U (en) | Reel installation axle | |
| CN207723906U (en) | 3 points of linkage centering of one kind seizing mechanism | |
| CN105443553A (en) | Combined sleeve bolt | |
| CN203023172U (en) | Hydraulic cylinder piston clamping ring locker | |
| CN201871986U (en) | High-rigidity connecting device between main shaft in machining center and cutting tool | |
| CN108061211A (en) | For the gas circuit docking facilities in fully-automatic intelligent spinning machine | |
| CN104034213B (en) | A kind of rocket projectile reliably opens the cabin mechanism | |
| CN208294910U (en) | A kind of anticreep articulating pin | |
| CN217603570U (en) | Firmly-connected water pipe assembly | |
| CN110561081A (en) | Tool for closing up plunger assembly and machining method | |
| CN207833063U (en) | Surely it is highly coupled component | |
| CN106976082A (en) | A kind of special compressed air rapid abutting joint assembly of manipulator | |
| CN205876943U (en) | Coiling machine quill shaft structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |