CN104942565B - Continuous no-impact automatic uniform-load press-fitting device - Google Patents
Continuous no-impact automatic uniform-load press-fitting device Download PDFInfo
- Publication number
- CN104942565B CN104942565B CN201510357378.1A CN201510357378A CN104942565B CN 104942565 B CN104942565 B CN 104942565B CN 201510357378 A CN201510357378 A CN 201510357378A CN 104942565 B CN104942565 B CN 104942565B
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- Prior art keywords
- press
- positioning
- support cylinder
- gland
- base
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- 210000004907 gland Anatomy 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 239000011324 bead Substances 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention provides a continuous no-impact automatic uniform-load press-fitting device which comprises a base, a press-fitting gasket, a bearing support sleeve, a sleeve, a gland, a driving screw, a support cylinder, a support gasket and a guide disk. The support cylinder, the gland and the base are positioned through spigots, a hole-cup drawing is arranged in a base positioning boss, the driving screw is screwed into the gland, the guide disk is arranged on the positioning spigot of the support cylinder in a clamped mode, the sleeve is put into a center hole of the guide disk and presses a thrust bearing, and a shaft is arranged in a center hole of the sleeve in a sleeved mode. The screw is rotated to be fed in a slow, no-impact and continuous mode, and press-fitting is achieved. The sleeve and the guide disk are arranged to conduct centering and guiding; the thrust bearing is arranged, so that direct contact between a workpiece and the driving screw is avoided, and the workpiece which is subjected to press-fitting is pressed in through straight line pressure; a steel ball is arranged to eliminate offset loading force. By means of the continuous no-impact automatic uniform-load press-fitting device, the problem of shaft hole interference fitting can be solved, and the situation that incline, misalignment and scuffing of the workpiece happen in the press-fitting process can be avoided. The continuous no-impact automatic uniform-load press-fitting device is simple in structure, reliable in work and capable of achieving the fitting work of shaft hole parts in a large interference magnitude and high accuracy mode.
Description
Technical field
The invention belongs to the normal temperature of high accuracy axis hole interference fit part press-fits assembling field, and in particular to a kind of continuous nothing
That what is impacted carries press-loading apparatus certainly.
Background technology
In the field such as the design of high-speed, high precision rotating machinery and manufacture, it is often necessary to meet rotation at a high speed by interference fit
The rotating accuracy of favourable turn tool and functional reliability, the such as connection between the movable vane wheel and mandrel of high-speed small-size molecular pump, this is just
Requirement is positioned, is oriented to and is pressed into by the special press-loading apparatus of elastic conjunction, if not assembled by assembling device, can
Can cause it is workpiece bending deformed, assembling kill or assembly precision decline.
Elastic conjunction is generally divided into and temperature differential method and is pressed directly into method, for thin-walled, thermal conductivity mating parts faster, the temperature difference
Method is difficult to meet matching requirements, and needs are assembled by being pressed directly into method.The device that is pressed directly into for generally adopting at present has hand
Pull forcing press and vice etc..Hand pull forcing press applying to press-fit load discontinuous, have larger impact, and the pressure for applying to workpiece
Load lotus less.Vice cannot be positioned and aligning to workpiece.In order to enter to the axle hole matching component of high accuracy, the big magnitude of interference
Row positioning and assembling, in order to ensure the uniformity of imposed load, need design specialized press-loading apparatus to meet matching requirements.
The content of the invention
It is an object of the invention to provide a kind of continuous shock-free from carrying press-loading apparatus.The present invention's is continuous shock-free
Can preferably meet that the magnitude of interference is larger from press-loading apparatus are carried, the assembling needs that assembly precision has high demands.
Realization the technical scheme is that：
The continuous shock-free of the present invention is characterized in that described device includes base, press-fits from press-loading apparatus are carried
Packing ring, bearings set, thrust ball bearing, sleeve, steel ball, gland, rotating bar, drive screw, positioning disk, support cylinder, axle,
Band orifice, supporting bead.Its annexation is that base is provided centrally with the positioning boss of ring-type, at the bottom of positioning boss outer
The base positioning spigot of ring-type is provided with seat.Driving screwed hole is provided with the central shaft of the gland, drive screw is placed in
In driving screwed hole, drive screw upper end is provided with horizontal centre bore；Ring-type is provided with the support cylinder inwall
Positioning disk positioning spigot.The positioning disk is provided centrally with cage guiding hole；The support cylinder is arranged on base, and gland sets
Put in support cylinder, the lower end of support cylinder is fixedly connected by base screw with base, support cylinder upper end passes through gland
Screw is fixedly connected with gland.The positioning disk parallel with base end face is provided with support cylinder, on the axis of positioning disk
Sleeve is provided with, sleeve passes positioning disk by cage guiding hole, and the upper end of sleeve is provided with spherical groove, and steel ball is placed in spherical groove
It is interior.The upper end of steel ball contacts with drive screw.Rotating bar press-fits load through the centre bore of drive screw upper end for applying.
The band orifice is placed in positioning boss, and between band orifice and positioning boss supporting bead is provided with.One end of the axle is placed in
Upper end with orifice, the other end is placed in sleeve, under a bushing between end and axle, is disposed with thrust ball bearing, bearing
Support set, press-fit packing ring, in thrust ball bearing press-in bearings set.
The rotating bar, drive screw, gland screw, positioning disk, support cylinder, band orifice, positioning boss, base are same
Axle center is arranged.
Described support cylinder lower end is positioned with base by base positioning spigot.Support cylinder upper end is with gland by pressure
Lid positioning spigot is positioned, and positioning disk is positioned with support cylinder by positioning disk positioning spigot.
The rotary motion of the load by drive screw in gland that press-fit of the present invention is provided.
Support cylinder and gland in the present invention is fixed on gland in support cylinder by bolt with seam positioning.
Cylinder and base are held round also with seam positioning, support cylinder is fixed on base by bolt.Reference for assembling part with holes is placed in bottom
In seat locating shaft, centre is lined with supporting bead.During drive screw is by being threaded into gland.Positioning disk is stuck in determining for support cylinder
On the seam of position.Steel ball is put in sleeve recess, and sleeve is put in guiding center hole and is pressed on thrust bearing assembly.Treat
Assembly part is inserted in the centre bore of sleeve and thrust bearing assembly.It is by drive screw that the press-in that replaces the spare parts to be installed is with holes
In the mating holes of reference for assembling part.
It is described continuous shock-free from press-loading apparatus are carried by being threaded driving, continuously and stably to being press-fited
Part applies to press-fit load, and realization press-fits the slow continuous feed of process, it is to avoid impact, realizes the dress work(of colding pressing of the larger magnitude of interference
Energy.
The described continuous shock-free press-loading apparatus that carry certainly pass through the positioning and guiding parts such as sleeve, steel ball, positioning disk,
Calibration press loading direction, it is ensured that uniform load is acted on and press-fited on part, by ensureing the coaxial of positioning disk and support cylinder
Degree, realizes the centering in fit tolerance assembling and guide function.
The described continuous shock-free press-loading apparatus that carry certainly pass through thrust ball bearing directly and barrel contacts, prevent workpiece
While surface and sleeve surface directly contact, spiral rotating motion elimination is avoided being press-fited part and bears torsional moment, while
Only retain linear driving force to realize continuous, shock-free press-fiting.
The described continuous shock-free press-loading apparatus that carry certainly can preferably solve the assembly problem of axis hole interference fit,
High and reliable operation the functional part of operating accuracy can be assembled.
It is described continuous shock-free from carrying press-loading apparatus simple structure, accurate positioning, uniform load, without impact, logical
Good with property, part easy processing, manufacturing process is simple, and apparatus parts processing and assembly precision are high, and are positioned using seam, and precision is protected
Preferably, reliable operation, be capable of high-efficiency high-precision realizes that axis hole elastic conjunction works to holding property.
Description of the drawings
Fig. 1 is the continuous shock-free from load press-loading apparatus structural representation of the present invention；
Fig. 2 is the continuous shock-free from the top view for carrying press-loading apparatus of the present invention；
Fig. 3 is the sectional view of the base in the present invention；
Fig. 4 is the sectional view of the gland in the present invention；
Fig. 5 is the sectional view of the support cylinder in the present invention；
Fig. 6 is the sectional view of the positioning disk in the present invention；
In figure, 1. base 2. press-fits the steel ball of 5. sleeve of the bearings of packing ring 3. 4. thrust ball bearing of set 6.
7. the axle 14. of 8. rotating bar of gland, 9. drive screw, 10. gland screw, 11. positioning disk, 12. support cylinder 13.
Supporting bead 15. stops with the gland of 18. positioning boss of orifice 16. base screw, 17. base positioning spigot 19. positioning
Mouth 20. drives the cage guiding hole of 21. positioning disk positioning spigot of screwed hole 22..
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawings and examples.
The present invention adopts screw-driven imposed load, by the axle press-in band orifice of the big magnitude of interference.
Embodiment 1
Fig. 1 is the continuous shock-free from press-loading apparatus structural representation is carried of the present invention, and Fig. 2 is the continuous nothing of the present invention
The top view from load press-loading apparatus of impact, Fig. 3 is the sectional view of the base in the present invention, and Fig. 4 is the gland in the present invention
Sectional view, Fig. 5 is the sectional view of the support cylinder in the present invention, and Fig. 6 is the sectional view of the positioning disk in the present invention.In Fig. 1
In～6, the continuous of the present invention carries press-loading apparatus certainly without impact, includes base 1, press-fits packing ring 2, bearings set 3, thrust
Ball bearing 4, sleeve 5, steel ball 6, gland 7, rotating bar 8, drive screw 9, positioning disk 11, support cylinder 12, axle 13, band orifice
15, supporting bead 14.Described base 1 is provided centrally with the positioning boss 18 of ring-type, on the base 1 of the outer of positioning boss 18
It is provided with the base positioning spigot 17 of ring-type.Driving screwed hole 20 is provided with the central shaft of the gland 7, drive screw 9 is put
In driving in screwed hole 20, the upper end of drive screw 9 is provided with horizontal centre bore.Arrange on the inwall of the support cylinder 12
There is the positioning disk positioning spigot 21 of ring-type.The positioning disk 11 is provided centrally with cage guiding hole 22.The support cylinder 12 sets
Put on base 1, gland 7 is arranged in support cylinder 12, the lower end of support cylinder 12 is fixed by base screw 16 with base 1
Connection, the upper end of support cylinder 12 is fixedly connected by gland screw 10 with gland 7.It is provided with support cylinder 12 and base 1
The parallel positioning disk 11 in bottom surface, is provided with sleeve 5 on the axis of positioning disk 11, sleeve 5 is passed by cage guiding hole 22 and led
To disk 11, the upper end of sleeve 5 is provided with spherical groove, and steel ball 6 is placed in spherical groove.The upper end of steel ball 6 contacts with drive screw 9；
Rotating bar 8 press-fits load through the centre bore of the upper end of drive screw 9 for applying.The band orifice 15 is placed in positioning boss 18
In, it is provided with supporting bead 14 between band orifice 15 and positioning boss 18.One end of the axle 13 is placed in the upper end with orifice 15,
The other end is placed in sleeve 5, between the lower end of sleeve 5 and axle 13, is disposed with thrust ball bearing 4, bearings set 3, pressure
Dress packing ring 2, in the press-in bearings of thrust ball bearing 4 set 3.
The rotating bar 8, drive screw 9, gland screw 10, positioning disk 11, support cylinder 12, band orifice 15, convex
Platform 18, base 1 are concentric setting.
The described lower end of support cylinder 12 is positioned with base 1 by base positioning spigot 17.The upper end of support cylinder 12 and pressure
Lid 7 is positioned by gland positioning spigot 19, and positioning disk 11 is positioned with support cylinder 12 by positioning disk positioning spigot 21.
Press-fit rotary motion of the load by drive screw 9 in gland 7 to provide.
Base 1 and support cylinder 12 in the present invention is positioned by base positioning spigot 17, by base 1 and support
360 ° of uniform six couple screw connecting holes on cylinder 12, with six base screws 16 pretension is carried out.Positioning disk 11 is held round by propping up
Positioning disk positioning spigot on cylinder 12 is positioned, and gland 7 and support cylinder 12 are positioned by gland positioning spigot 19, by pressure
360 ° of uniform 6 pair screw connecting holes on lid 7 and support cylinder 12, with 6 gland screws 10 pretension is carried out.Drive screw 9 is revolved
In entering to drive screwed hole 20, rotating bar 8 is penetrated in the hole of drive screw 9.Sleeve 5 penetrates positioning disk 11 by cage guiding hole 22
In, steel ball 6 is put in the spherical groove on sleeve 5.In the press-in bearings of bearing 4 set 3, the lower end for being placed on sleeve 5 is standby.Part
Process for machining and manufacturing ensure that the geometric accuracy of part, the assembling seam position assurance direct axialities of each parts.
In the present embodiment, base screw arranges altogether six, and base screw 16 is one of them；Gland screw arranges altogether six
Individual, gland screw 10 is one of them.
The course of work of the present invention will be placed on orifice 15 on the positioning boss 18 of base 1, and centre passes through supporting bead
14 separate, it is to avoid damage workpiece during press-fiting by pressure.Axle 13 is penetrated into bearings to cover in 3 centre bores, centre is by press-fiting packing ring 2
Separate, then penetrate in sleeve 5, shaft end is freely dropped into band orifice 15 centre bore upper end.Rotating with Uniform rotating bar 8, apply vertically to
Under pressure loading, axle 13 is pressed in the mating holes with orifice 15, until being press-fit into place.Due to drive screw 9 and gland 7
The mismachining tolerance of threaded portion, in assembling process, the load straight down that drive screw 9 applies it may happen that deflection,
So, steel ball 6 is set between drive screw 9 and sleeve 5, for correcting loading direction, it is ensured that loading direction is straight down.Pressure
During dress, drive screw 9 is also rotated about the axis except moving downward, and band moving sleeve 5 rotates, and arranges between sleeve 5 and workpiece
Thrust ball bearing 4, prevents sleeve 5 from coming in contact and occurring relative motion with surface of the work, and workpiece can be protected injury-free, and
And, being assigned on bearing roller for the uniform load of the Relatively centralized that thrust ball bearing 4 can apply screw rod is passed by power
Pass, it is ensured that uniform load is distributed on stress surface suffered by workpiece.
For different interference fit parts, can pass through to change the base 1 with different-diameter and altitude location boss
Basic part is positioned, various sizes of sleeve 5 is changed and positioning disk 11 is oriented to press-in piece.
The continuous shock-free of the present invention also can be replaced rotating manually from load press-loading apparatus with torque motor, hydraulic cylinder etc.
Drive, be accordingly changed into automatic assembling apparatus.
The present invention is not limited to above-mentioned specific embodiment, and person of ordinary skill in the field visualizes from above-mentioned
Send out, without creative work, done a variety of conversion, be within the scope of the present invention.
Claims (3)
1. a kind of continuous shock-free from carrying press-loading apparatus, it is characterised in that：Described device includes base（1）, press-fit
Packing ring（2）, bearings set（3）, thrust ball bearing（4）, sleeve（5）, steel ball（6）, gland（7）, rotating bar（8）, drive spiral shell
Bar（9）, positioning disk（11）, support cylinder（12）, axle（13）, supporting bead（14）, band orifice（15）；Its annexation is, bottom
Seat（1）It is provided centrally with the positioning boss of ring-type（18）, in positioning boss（18）The base of outer（1）On be provided with the bottom of ring-type
Seat positioning spigot（17）；The gland（7）Central shaft on be provided with driving screwed hole（20）, drive screw（9）It is placed in driving
Screwed hole（20）In, in drive screw（9）Upper end is provided with horizontal centre bore；The support cylinder（12）It is provided with inwall
The positioning disk positioning spigot of ring-type（21）；The positioning disk（11）It is provided centrally with cage guiding hole（22）；The support cylinder
（12）It is arranged on base（1）On, gland（7）It is arranged on support cylinder（12）On, support cylinder（12）Lower end pass through base spiral shell
Nail（16）With base（1）It is fixedly connected, support cylinder（12）Upper end passes through gland screw（10）With gland（7）It is fixedly connected；
Support cylinder（12）In be provided with and base（1）The parallel positioning disk in bottom surface（11）, positioning disk（11）Axis on be provided with
Sleeve（5）, sleeve（5）By cage guiding hole（22）Pass positioning disk（11）, sleeve（5）Upper end be provided with spherical groove, steel
Ball（6）It is placed in spherical groove；Steel ball（6）Upper end and drive screw（9）Contact；Rotating bar（8）Through drive screw（9）Upper end
Centre bore, for apply press-fit load；The band orifice（15）It is placed in positioning boss（18）In, band orifice（15）With convex
Platform（18）Between be provided with supporting bead（14）；The axle（13）One end be placed in band orifice（15）Upper end, the other end is placed in set
Cylinder（5）It is interior, in sleeve（5）Lower end and axle（13）Between, it is disposed with thrust ball bearing（4）, bearings set（3）, press-fit
Packing ring（2）, thrust ball bearing（4）Press-in bearings set（3）In.
2. according to claim 1 continuous shock-free from carrying press-loading apparatus, it is characterised in that：The rotating bar（8）、
Drive screw（9）, gland screw（10）, positioning disk（11）, support cylinder（12）, band orifice（15）, positioning boss（18）, base
（1）For concentric setting.
3. according to claim 1 continuous shock-free from carrying press-loading apparatus, it is characterised in that：Described support cylinder
（12）Lower end and base（1）By base positioning spigot（17）Positioning；Support cylinder（12）Upper end and gland（7）It is fixed by gland
Position seam（19）Positioning, positioning disk（11）With support cylinder（12）By positioning disk positioning spigot（21）Positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357378.1A CN104942565B (en) | 2015-06-26 | 2015-06-26 | Continuous no-impact automatic uniform-load press-fitting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510357378.1A CN104942565B (en) | 2015-06-26 | 2015-06-26 | Continuous no-impact automatic uniform-load press-fitting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104942565A CN104942565A (en) | 2015-09-30 |
| CN104942565B true CN104942565B (en) | 2017-05-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510357378.1A Expired - Fee Related CN104942565B (en) | 2015-06-26 | 2015-06-26 | Continuous no-impact automatic uniform-load press-fitting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN104942565B (en) |
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| CN107160148B (en) * | 2017-06-22 | 2019-10-25 | 武汉元丰汽车电控系统有限公司 | A kind of press-loading apparatus being pressurized valve body and valve seat |
| CN107030644B (en) * | 2017-06-23 | 2019-03-12 | 中国船舶重工集团公司第七0七研究所 | It is a kind of applied to long span double interference structures from centering press-loading apparatus |
| CN111734495B (en) * | 2020-05-29 | 2022-07-29 | 中国航发沈阳发动机研究所 | Rotor press-fitting method with interference fit of spigot |
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| CN112894710A (en) * | 2021-03-26 | 2021-06-04 | 佛山市通润热能科技有限公司 | Close-fitting installation push-in device |
| CN113790640A (en) * | 2021-09-16 | 2021-12-14 | 太原师范学院 | Fuel press-fitting mold for cylindrical thin-wall structure projectile body and using method thereof |
| CN117161741B (en) * | 2023-09-09 | 2024-05-10 | 沈阳理工大学 | Device and method for improving assembly coaxiality precision |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1043964A (en) * | 1996-07-31 | 1998-02-17 | Honda Motor Co Ltd | Plug press-in device |
| CN201931257U (en) * | 2010-12-06 | 2011-08-17 | 中国航天空气动力技术研究院 | Automatic centering press mounting mechanism |
| CN102328200A (en) * | 2011-08-31 | 2012-01-25 | 常州星宇车灯股份有限公司 | Automatic assembly device of round-head dimming bolt |
| CN202271153U (en) * | 2011-08-31 | 2012-06-13 | 常州星宇车灯股份有限公司 | Automatic assembly device of round head dimming screw |
| CN202861742U (en) * | 2012-08-20 | 2013-04-10 | 成都华川电装有限责任公司 | Pressing installation tool for hole shaft interference fit |
| CN104070342A (en) * | 2014-05-27 | 2014-10-01 | 大连液压件有限公司 | Floating centring-type installation device for shaft parts |
| CN104668943A (en) * | 2015-02-05 | 2015-06-03 | 大连理工大学 | Method for assembling interference fit parts through ultrasonic vibration |
| CN204711513U (en) * | 2015-06-26 | 2015-10-21 | 中国工程物理研究院机械制造工艺研究所 | One is shock-free from all carrying press-loading apparatus continuously |
-
2015
- 2015-06-26 CN CN201510357378.1A patent/CN104942565B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1043964A (en) * | 1996-07-31 | 1998-02-17 | Honda Motor Co Ltd | Plug press-in device |
| CN201931257U (en) * | 2010-12-06 | 2011-08-17 | 中国航天空气动力技术研究院 | Automatic centering press mounting mechanism |
| CN102328200A (en) * | 2011-08-31 | 2012-01-25 | 常州星宇车灯股份有限公司 | Automatic assembly device of round-head dimming bolt |
| CN202271153U (en) * | 2011-08-31 | 2012-06-13 | 常州星宇车灯股份有限公司 | Automatic assembly device of round head dimming screw |
| CN202861742U (en) * | 2012-08-20 | 2013-04-10 | 成都华川电装有限责任公司 | Pressing installation tool for hole shaft interference fit |
| CN104070342A (en) * | 2014-05-27 | 2014-10-01 | 大连液压件有限公司 | Floating centring-type installation device for shaft parts |
| CN104668943A (en) * | 2015-02-05 | 2015-06-03 | 大连理工大学 | Method for assembling interference fit parts through ultrasonic vibration |
| CN204711513U (en) * | 2015-06-26 | 2015-10-21 | 中国工程物理研究院机械制造工艺研究所 | One is shock-free from all carrying press-loading apparatus continuously |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104942565A (en) | 2015-09-30 |
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Granted publication date: 20170510 |