CN106624743A - Dismounting device for interference-fit part on shaft - Google Patents
Dismounting device for interference-fit part on shaft Download PDFInfo
- Publication number
- CN106624743A CN106624743A CN201610898735.XA CN201610898735A CN106624743A CN 106624743 A CN106624743 A CN 106624743A CN 201610898735 A CN201610898735 A CN 201610898735A CN 106624743 A CN106624743 A CN 106624743A
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- Prior art keywords
- bolt
- flange
- hole
- bottom end
- end cover
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Classifications
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- 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
- B23P19/033—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 vibration
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention belongs to the field of ultrasonic vibration and mechanical engineering, and relates to a dismounting device for an interference-fit part on a shaft. The dismounting device comprises a press machine (1) and an ultrasonic generator (5), wherein the press machine (1) is a mechanical press machine provided with a lifting rack (1a). The dismounting device is characterized by further comprising a clamping and connecting mechanism (2), a sleeve connecting mechanism (3) and a vibrator (4). By means of the provided dismounting device for the interference-fit part on the shaft, the pressure value required during disintegrating is effectively decreased, and damage to the contact surface of the part is reduced; and the working efficiency and the operation safety are improved, and the labor intensity is relieved.
Description
Technical field
The invention belongs to ultrasonic vibration and mechanical engineering field, are related to interference fit part provision for disengagement on a kind of axle.
Background technology
Interference fit is strong, simple and reliable for structure because of its positioning precision height, bearing capacity, in the axle class component of frame for movement
Extensively application.Interference fit is typically assembled using temperature differential method, but dismantles then relative difficulty, and at present two kinds of conventional methods of operating are equal
Waste time and energy, and there is certain danger.One is mechanical disassembly method：Using pullers such as three-jaw, sleeves, by screw thread force point
The part of interference fit in unreeling, the method anti-rotation has high demands, and easily contact surface is caused to scrape in high labor intensive, and operating process
Wound.Two is temperature difference disassembly method：Using the cold material freeze shaft member such as liquid nitrogen, dry ice, realize and mating parts contact surface on axle
Separate, the method is restricted to the two pyroconductivity and heat distortion amount, and the stand-by period is longer, reduces operating efficiency, together
When the operational risk it is higher, easily cause personal injury.
The content of the invention
The purpose of the present invention is：Interference fit part provision for disengagement on a kind of axle is provided, effectively to reduce decomposing when institute
Pressure value is needed, the damage to feature contacts surface is reduced；The security of operating efficiency and operation is improved, labour intensity is reduced.
The technical scheme is that：Interference fit part provision for disengagement on a kind of axle, including forcing press 1 and ultrasonic wave
Raw device 5, wherein forcing press 1 is the mechanical press with lifter rack 1a；It is characterized in that：Also include holding attaching mechanism
2nd, sleeve connection mechanism 3 and ticker 4；
Described holding attaching mechanism 2 is made up of 2 structure identical pressing plate 2a, clamping ring flange 2b and connecting bolt；
Pressing plate 2a is a rectangular slab, each side there is 2～6 follower bolt vias of a row, and ring flange 2b is by bottom for clamping
2 structure identical trough plates connection composition on annulus and top, there is 4～32 annulus spiral shells being uniformly distributed along the circumference on annulus
Bolt via, the lower end of 2 trough plates is welded as entirety with the upper surface of annulus, and the plate face of 2 trough plates is relative and parallel,
There is trough plate bolt through-hole on the flange of trough plate, the quantity of trough plate bolt through-hole is identical with the quantity of follower bolt via simultaneously
And position correspondence, 2 trough plates of 2 pressing plate 2a and clamping ring flange 2b are connected as by a rectangle frame by connecting bolt,
The rectangle frame is fixed on the lifter rack 1a lower ends of forcing press 1 by clamping mode；
Described sleeve connection mechanism 3 is made up of sleeve pipe 3a, bottom end cover 3b, at least one flat key 3c and connecting bolt；Sleeve pipe
3a is the cylinder that a upper end carries lower flange with upper flange, lower end, there is the upper flange spiral shell being uniformly distributed along the circumference on upper flange
Bolt via, the quantity of upper flange bolt through-hole is identical with the quantity of the annulus bolt through-hole of clamping ring flange 2b and position pair
Should, the upper flange on sleeve pipe 3a and clamping ring flange 2b are connected as by entirety by connecting bolt, lower flange is one and is sealed on
The annulus of sleeve pipe 3a lower ports, the centre bore of lower flange is less than the internal diameter of sleeve pipe 3a, under being uniformly distributed along the circumference on lower flange
Flange bolt via；Bottom end cover 3b is an annulus, there is the bottom end cover bolt through-hole being uniformly distributed along the circumference, lower end on bottom end cover 3b
The quantity of bonnet bolt via is identical with the quantity of the lower flange bolt through-hole of sleeve pipe 3a and position is corresponding, will by connecting bolt
The lower flange of bottom end cover 3b and sleeve pipe 3a is connected as entirety, there is at least one bottom end cover flat key groove on bottom end cover 3b, flat key 3c's
One end is located in bottom end cover flat key groove；
Described ticker 4 is made up of transducing luffing part 4a, tight fixed bolt 4b and vibrating barrel 4c；Vibrating barrel 4c is blind hole
Structure, end cap side is provided with screwed hole, and the aperture of blind hole side is matched somebody with somebody more than the external diameter for being disassembled axle less than interference on axle is disassembled
Close the external diameter of part, the depth of the blind hole of vibrating barrel 4c more than interference fit part on axle be disassembled axial end axially away from
From；Transducing luffing part 4a and vibrating barrel 4c is connected as entirety by tight fixed bolt 4b, and the epimere of transducing luffing part 4a is located at
In sleeve pipe 3a, the hypomere of transducing luffing part 4a stretches out from the centre bore of bottom end cover 3b, shakes in the middle part of transducing luffing part 4a
Width is have 1 transducing luffing part ring flange at zero, and transducing luffing part ring flange upper and lower ends distinguish the laxative remedy of sleeve 3a
Blue and bottom end cover 3b laminatings are compressed, and have at least one transducing luffing part flat key groove, flat key on the circumference of transducing luffing part flange
The other end of 3c is located in transducing luffing part flat key groove.
It is an advantage of the invention that：There is provided interference fit part provision for disengagement on a kind of axle, when significantly reducing decomposition
Desirable pressure value, reduces the damage to feature contacts surface；The security of operating efficiency and operation is improve, work is reduced
Intensity.
Description of the drawings
Fig. 1 is the schematic diagram using interference fit part on present invention dismounting axle.
Fig. 2 is the schematic diagram that clamping device of the present invention is connected with forcing press tooth bar.
Fig. 3 is the structural representation of sleeve connection mechanism of the present invention.
Specific embodiment
The present invention is explained in further detail below.Referring to Fig. 1 to Fig. 3, interference fit part dismounting on a kind of axle
Device, including forcing press 1 and supersonic generator 5, wherein forcing press 1 are the mechanical press with lifter rack 1a；Its
It is characterised by：Also include holding attaching mechanism 2, sleeve connection mechanism 3 and ticker 4；
Described holding attaching mechanism 2 is made up of 2 structure identical pressing plate 2a, clamping ring flange 2b and connecting bolt；
Pressing plate 2a is a rectangular slab, each side there is 2～6 follower bolt vias of a row, and ring flange 2b is by bottom for clamping
2 structure identical trough plates connection composition on annulus and top, there is 4～32 annulus spiral shells being uniformly distributed along the circumference on annulus
Bolt via, the lower end of 2 trough plates is welded as entirety with the upper surface of annulus, and the plate face of 2 trough plates is relative and parallel,
There is trough plate bolt through-hole on the flange of trough plate, the quantity of trough plate bolt through-hole is identical with the quantity of follower bolt via simultaneously
And position correspondence, 2 trough plates of 2 pressing plate 2a and clamping ring flange 2b are connected as by a rectangle frame by connecting bolt,
The rectangle frame is fixed on the lifter rack 1a lower ends of forcing press 1 by clamping mode；
Described sleeve connection mechanism 3 is made up of sleeve pipe 3a, bottom end cover 3b, at least one flat key 3c and connecting bolt；Sleeve pipe
3a is the cylinder that a upper end carries lower flange with upper flange, lower end, there is the upper flange spiral shell being uniformly distributed along the circumference on upper flange
Bolt via, the quantity of upper flange bolt through-hole is identical with the quantity of the annulus bolt through-hole of clamping ring flange 2b and position pair
Should, the upper flange on sleeve pipe 3a and clamping ring flange 2b are connected as by entirety by connecting bolt, lower flange is one and is sealed on
The annulus of sleeve pipe 3a lower ports, the centre bore of lower flange is less than the internal diameter of sleeve pipe 3a, under being uniformly distributed along the circumference on lower flange
Flange bolt via；Bottom end cover 3b is an annulus, there is the bottom end cover bolt through-hole being uniformly distributed along the circumference, lower end on bottom end cover 3b
The quantity of bonnet bolt via is identical with the quantity of the lower flange bolt through-hole of sleeve pipe 3a and position is corresponding, will by connecting bolt
The lower flange of bottom end cover 3b and sleeve pipe 3a is connected as entirety, there is at least one bottom end cover flat key groove on bottom end cover 3b, flat key 3c's
One end is located in bottom end cover flat key groove；
Described ticker 4 is made up of transducing luffing part 4a, tight fixed bolt 4b and vibrating barrel 4c；Vibrating barrel 4c is blind hole
Structure, end cap side is provided with screwed hole, and the aperture of blind hole side is matched somebody with somebody more than the external diameter for being disassembled axle less than interference on axle is disassembled
Close the external diameter of part, the depth of the blind hole of vibrating barrel 4c more than interference fit part on axle be disassembled axial end axially away from
From；Transducing luffing part 4a and vibrating barrel 4c is connected as entirety by tight fixed bolt 4b, and the epimere of transducing luffing part 4a is located at
In sleeve pipe 3a, the hypomere of transducing luffing part 4a stretches out from the centre bore of bottom end cover 3b, shakes in the middle part of transducing luffing part 4a
Width is have 1 transducing luffing part ring flange at zero, and transducing luffing part ring flange upper and lower ends distinguish the laxative remedy of sleeve 3a
Blue and bottom end cover 3b laminatings are compressed, and have at least one transducing luffing part flat key groove, flat key on the circumference of transducing luffing part flange
The other end of 3c is located in transducing luffing part flat key groove.
The present invention using method be：As shown in Figure 1, it would be desirable to which interference fit part is fixed on forcing press on the axle of dismounting
On 1 bottom workbench, start supersonic generator 5 so as to the generation high frequency axial vibration of excited vibration 4, operating pressure machine 1,
Make forcing press lifter rack 1a axially downward, allow vibrating barrel 4c in down force and the common work of high frequency axial vibration
With under, interference fit part fast decoupled from shaft member on axle is got off.
Claims (1)
1. interference fit part provision for disengagement on a kind of axle, including forcing press (1) and supersonic generator (5), wherein forcing press
(1) it is the mechanical press with lifter rack (1a)；It is characterized in that：Also include holding attaching mechanism (2), sleeve connection
Mechanism (3) and ticker (4)；
Described holding attaching mechanism (2) is by 2 structures identical pressing plate (2a), clamping ring flange (2b) and connecting bolt group
Into；Pressing plate (2a) is a rectangular slab, each side there is 2～6 follower bolt vias of a row, clamping ring flange (2b) by
The annulus of bottom and the 2 of top structure identical trough plate connection compositions, there is 4～32 for being uniformly distributed along the circumference on annulus
Annulus bolt through-hole, the lower end of 2 trough plates and the upper surface of annulus are welded as entirety, the plate face of 2 trough plates it is relative and
It is parallel, there are trough plate bolt through-hole, the quantity of trough plate bolt through-hole and the number of follower bolt via on the flange of trough plate
Amount is identical and position is corresponding, is connected as 2 trough plates of 2 pressing plates (2a) and clamping ring flange (2b) by connecting bolt
One rectangle frame, the rectangle frame is fixed on lifter rack (1a) lower end of forcing press (1) by clamping mode；
Described sleeve connection mechanism (3) is made up of sleeve pipe (3a), bottom end cover (3b), at least one flat key (3c) and connecting bolt；
Sleeve pipe (3a) is a upper end with upper flange, cylinder of the lower end with lower flange, there is be uniformly distributed along the circumference upper on upper flange
Flange bolt via, the quantity of upper flange bolt through-hole it is identical with the quantity of the annulus bolt through-hole of clamping ring flange (2b) and
Position correspondence, entirety is connected as by connecting bolt by the upper flange on sleeve pipe (3a) and clamping ring flange (2b), and lower flange is
One annulus for being sealed on sleeve pipe (3a) lower port, the centre bore of lower flange has less than the internal diameter of sleeve pipe (3a) on lower flange
The lower flange bolt through-hole being uniformly distributed along the circumference；Bottom end cover (3b) is an annulus, has what is be uniformly distributed along the circumference on bottom end cover (3b)
Bottom end cover bolt through-hole, the quantity of bottom end cover bolt through-hole is identical with the quantity of the lower flange bolt through-hole of sleeve pipe (3a) and position
Correspondence is put, the lower flange of bottom end cover (3b) and sleeve pipe (3a) is connected as by entirety by connecting bolt, had on bottom end cover (3b)
At least one bottom end cover flat key groove, one end of flat key (3c) is located in bottom end cover flat key groove；
Described ticker (4) is made up of transducing luffing part (4a), tight fixed bolt (4b) and vibrating barrel (4c)；Vibrating barrel (4c)
For blind hole structure, end cap side is provided with screwed hole, the aperture of blind hole side more than the external diameter for being disassembled axle, less than being disassembled on axle
The external diameter of interference fit part, the depth of the blind hole of vibrating barrel (4c) more than interference fit part on axle be disassembled axial end
Axial distance；Transducing luffing part (4a) is connected as entirety, transducing luffing part with vibrating barrel (4c) by tight fixed bolt (4b)
(4a) epimere is located in sleeve pipe (3a), and the hypomere of transducing luffing part (4a) stretches out from the centre bore of bottom end cover (3b), is changing
The middle part amplitude of energy luffing part (4a) is have 1 transducing luffing part ring flange at zero, and transducing luffing part ring flange is upper and lower
Lower flange and bottom end cover (3b) laminating at two ends difference sleeve (3a) is compressed, and is had at least on the circumference of transducing luffing part flange
1 transducing luffing part flat key groove, the other end of flat key (3c) is located in transducing luffing part flat key groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898735.XA CN106624743B (en) | 2016-10-14 | 2016-10-14 | Part provision for disengagement is interference fitted on a kind of axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898735.XA CN106624743B (en) | 2016-10-14 | 2016-10-14 | Part provision for disengagement is interference fitted on a kind of axis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106624743A true CN106624743A (en) | 2017-05-10 |
| CN106624743B CN106624743B (en) | 2018-11-16 |
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ID=58855285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610898735.XA Active CN106624743B (en) | 2016-10-14 | 2016-10-14 | Part provision for disengagement is interference fitted on a kind of axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106624743B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790996A (en) * | 2017-11-14 | 2018-03-13 | 河南中烟工业有限责任公司 | A kind of bearing compresses erecting device |
| CN108213835A (en) * | 2017-12-26 | 2018-06-29 | 中国航发四川燃气涡轮研究院 | Part is interference fitted on a kind of axis based on the legal assembling of hot pressing to rise again pressing device |
| RU2694100C1 (en) * | 2018-12-07 | 2019-07-09 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский автомобильно-дорожный государственный технический университет (МАДИ)" | Shaft-bushing connection disassembly method |
| CN114290049A (en) * | 2021-12-20 | 2022-04-08 | 深圳市圳乐科技有限公司 | Automatic assembly device is used in production of wireless charger casing subassembly of cell-phone |
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| CN203919048U (en) * | 2014-04-30 | 2014-11-05 | 温家成 | Precision instrument conveying robot |
| CN205201430U (en) * | 2015-12-18 | 2016-05-04 | 海宁长昆包装有限公司 | Violently draw chain to press from both sides bearing detaching device |
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|---|---|---|---|---|
| EP0015931A1 (en) * | 1978-03-03 | 1980-10-01 | KARL WINTERMEYER AUTOMATIONSANLAGEN GmbH | Process and device for screwing tubular sleeves |
| CN2162330Y (en) * | 1993-07-10 | 1994-04-20 | 王本准 | Valve spring assembly and disassembly tools |
| CN2889630Y (en) * | 2006-03-08 | 2007-04-18 | 铁岭天河机械制造有限责任公司 | Rocker bearing mounting equipment |
| RU2363868C1 (en) * | 2007-11-26 | 2009-08-10 | Открытое акционерное общество "ГАЗ" (ОАО "ГАЗ") | Method of threaded connection gripping of bearing units and device for its implementation |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790996A (en) * | 2017-11-14 | 2018-03-13 | 河南中烟工业有限责任公司 | A kind of bearing compresses erecting device |
| CN108213835A (en) * | 2017-12-26 | 2018-06-29 | 中国航发四川燃气涡轮研究院 | Part is interference fitted on a kind of axis based on the legal assembling of hot pressing to rise again pressing device |
| RU2694100C1 (en) * | 2018-12-07 | 2019-07-09 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Московский автомобильно-дорожный государственный технический университет (МАДИ)" | Shaft-bushing connection disassembly method |
| CN114290049A (en) * | 2021-12-20 | 2022-04-08 | 深圳市圳乐科技有限公司 | Automatic assembly device is used in production of wireless charger casing subassembly of cell-phone |
| CN114290049B (en) * | 2021-12-20 | 2022-12-13 | 深圳市圳乐科技有限公司 | Automatic assembly device is used in production of wireless charger casing subassembly of cell-phone |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106624743B (en) | 2018-11-16 |
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Address after: 610500 Xindu Xuefu Road, Xindu District, Chengdu, Sichuan Patentee after: AECC SICHUAN GAS TURBINE Research Institute Address before: 621703 P.O. Box 305, Mianyang City, Sichuan Province Patentee before: CHINA GAS TURBINE EST |
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