CN109531287A - A kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device - Google Patents
A kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device Download PDFInfo
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- CN109531287A CN109531287A CN201811322794.8A CN201811322794A CN109531287A CN 109531287 A CN109531287 A CN 109531287A CN 201811322794 A CN201811322794 A CN 201811322794A CN 109531287 A CN109531287 A CN 109531287A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
- B24B1/04—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency
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Abstract
The present invention relates to accessory inner surface polishing fields, more particularly to carry out precise polished field for the rotary type inner surface of the axially symmetric structures such as round tube inner wall.A kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device including rack, rack-mounted charging cylinder, the pushing piston being mounted on charging cylinder, the casing drum for being mounted in charging cylinder and being on the right side of pushing piston, is mounted on the hydraulic cylinder connecting on the left of charging cylinder and with pushing piston, the material-extruding tube for being fixed on charging cylinder right part, an end cap on the outside of material-extruding tube right-hand end and by fixed connection hose (6) of the first clip etc..The beneficial effects of the present invention are: applying ultrasonic vibration on the circumferencial direction of round tube by the abrasive flows skin processing of round tube inner surface, so that the scratch of round tube inner surface abrasive grain is by being waveform along the axially varying of wall surface.
Description
Technical field
The present invention relates to accessory inner surface polishing fields, more particularly to for the rotary type of the axially symmetric structures such as round tube inner wall
Inner surface carries out precise polished field.
Background technique
With the diversification of manufacturing development and social demand, the demand to high quality product smooth surface is further wide
It is general, it is higher and higher to the effect requirements of components skin processing；A large amount of circle pipe part such as stainless pipe and axial symmetry
The rotary type inner surface part of structure all has higher skin processing to need low roughness smooth surface in specific use occasion
It asks, especially requires roughness value being reduced to Ra0.1 or less.It is difficult to obtain satisfaction with conventional polishing processing method at present
Effect, such as conventional one-way or bi-directional abrasive flows skin processing can be in the flowing sides of hydroabrasive by strict control processing conditions
Roughness value is set to be reduced to Ra0.1 or so upwards, but roughness value is then difficult on the direction vertical with hydroabrasive flow direction
To reach such requirement, so that the polishing effect of part entirety be made to be difficult to meet；Although the polishing methods such as electrolysis and chemistry can
To reach lower surface roughness, but the problems such as environmental pollution is serious, makes it be difficult to large-scale use；It is new to need to develop
Polishing process reach the requirement to components skin processing low roughness, high-quality surface.
In abrasive flows skin processing field, using the hydroabrasive of viscoelastic fluid and abrasive grain composition to accessory inner surface
Or the closed areas such as tiny slit carry out skin processing, mainly drive abrasive grain using the wall slippage characteristic of viscoelastic fluid
With certain speed and pressure in part wall slippage, skin processing is carried out to surface, reduces surface roughness value；But this edge
One-way or bi-directional abrasive flow machining that hydroabrasive flow direction carries out, can be only formed the single texture of streamwise, so that
The roughness of piece surface all directions is inconsistent or even difference is quite big.Ultrasonic vibrating machining is in recent years by more and more
It assists in other processing methods, the Compound Machining mode of generation makes processing quality be increased dramatically.
Introduce ultrasonic vibration in traditional abrasive flow machining method, can make abrasive grain at work surface generate vibration and
The compound motion of flowing generates wavy scratch on skin processing surface, by the mutual of a large amount of abrasive grain waveform scratches
Interweave, the roughness in Lai Tigao work surface all directions guarantees the consistency of all directions roughness, is remarkably improved
The effect of skin processing realizes the purpose of ultrasonic vibration auxiliary abrasive stream precision finishing.
Currently, being set forth in application No. is the patent of CN201410737104 and CN201410742611 a kind of high
The intermittent rotary squeezing abrasive flows polishing method of constant-pressure drop and device are imitated, this method give a kind of such as aero-engine is whole
Leaf dish, impeller, blade, thin-wall part, pump valve body and elongated hole etc. have the intermittent rotation polishing method of complex curved surface parts, benefit
Intermittent rotation, workpiece rotational frequency model are done with the negative clearance turntable bearing rotary system driving workpiece of hydraulic motor driving gear external toothing
Enclosing can be between 0. 5 revs/min -2 rev/min, the mode of vibration of the revolving speed of workpiece and workpiece of the invention under ultrasonic vibration driving
There is significant difference with vibration velocity, it is contemplated that there were significant differences for the effect and the present invention reached；And application No. is
The patent of CN201710376483.9 gives a kind of ULTRASONIC COMPLEX light for abrasive flows ULTRASONIC COMPLEX removal elongate rod burr
Complete machine bed axially applies ultrasonic vibration in elongate rod on the basis of abrasive flows skin processing slender rod piece inner cavity and realizes ultrasound
Deburring；Application No. is the patents of CN201620006604.1 and CN201510467814.0, by applying in hydroabrasive
Add ultrasonic vibration, carries out the abrasive flows skin processing of workpiece；These ultrasonic vibration auxiliary abrasive streamer finishing processing methods and this hair
It is bright to be all different.
Summary of the invention
The technical problems to be solved by the present invention are: how to carry out precision finishing to round tube inner wall, formed low coarse
Smooth surface is spent, the surface roughness of round tube inner wall is circumferentially and axially being reached into Ra0.1 hereinafter, solving round tube inner wall
The problem of precision finishing uniformity consistency difference.
The technical scheme adopted by the invention is that: a kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing dress
It sets, including rack (13), rack-mounted charging cylinder (2), the pushing piston (3) being mounted on charging cylinder (2), is mounted on
In charging cylinder (2) and the casing drum (4) on the right side of pushing piston (3), it is mounted on the left of charging cylinder (2) and and pushing piston
(3) hydraulic cylinder (1) of connection, the material-extruding tube (5) for being fixed on charging cylinder (2) right part, an end cap are in material-extruding tube (5) right-hand end
Outside and another end cap by being connected hose (6) on the outside of the first clip (16) fixed connection hose (6), left end and lead to
Cross round tube sample (8) that the second clip (15) is fixedly connected, be mounted on rack (13) be used to support round tube sample (8) and with circle
The first slide bearings (7) and the second slide bearings (11) of pipe sample (8) rotation connection are fixed on rack (13) and lead to
Cross that clamping ring arm (9) connect with round tube sample (8) in the first slide bearings (7) and the second slide bearings (11) centre
The ultrasonic vibration bar (12) of position.
As a kind of preferred embodiment: the axis of ultrasonic vibration bar (12) and the axis antarafacial of round tube sample (8), this two different
Face straight line is mutually perpendicular to, and the vibration on ultrasonic vibration bar (12) axis direction passes to round tube sample by clamping ring arm (9)
(8), round tube sample (8) is formed can with the ultrasonic vibration on the circumferencial direction of its axis rotary centerline.
As a kind of preferred embodiment: it clamps ring arm (9) and is made of upper and lower two semi-circular ring arm, upper and lower two semi-circular rings
Arm left end is connected by pinching screw (17), and upper and lower two semi-circulars ring arm right end passes through screw (10), pressure spring (14), gasket
(18) fixed, upper and lower two semi-circular ring arm clamp round tube sample (8) by the annulus end of one side, upper and lower two semi-circular rings
Arm is connected by the cantilever end of its other side with ultrasonic vibration bar (12), the annulus end diameter of bore of upper and lower two semi-circular ring arm
Equal to or slightly greater than the outer diameter of round tube sample (8), make the annulus of upper and lower two semi-circular ring arm by tightening pinching screw (17)
End generates flexible deformation and clamps round tube sample (8)；Cantilever end is provided with the via hole of installation bolt, and the gap of via hole and bolt is 0.5-
1mm, ultrasonic vibration bar (12) and cantilever end are cooperated by the convex spherical of ultrasonic vibration bar (12) end and the plane of cantilever end；It is super
Sound and vibration lever (12) holds ultrasonic vibration bar (12) when doing ultrasonic vibration on the direction vertical with round tube sample (8) axis
In the state that the spherical surface and cantilever end in portion generate sliding, cantilever end and ultrasonic vibration bar are made by screw (10) and pressure spring (14)
(12) it is in close contact, guarantees ultrasonic vibration to the transmitting for clamping ring arm (9).As a kind of preferred embodiment: material-extruding tube (5) is by one
The ring flange and round tube of body form, and material-extruding tube (5) is internal at frustum transition, and ring flange end is fixed with charging cylinder (2) right part
Connection, the end cap for connecting hose (6) are fixed at round tube end and by the first clip (16)；Material-extruding tube (5) is used to grind fluid
Expect that diameter when squeezing out from charging cylinder (2) by hydroabrasive in charging cylinder (2) narrows down to the round tube of material-extruding tube (5) with cone
The inner diameter size for holding exit, reduces the flow resistance of hydroabrasive, increases the flow of hydroabrasive, and material-extruding tube (5) outlet is outer
Diameter and the outer diameter of round tube sample (8) are almost the same, and the both ends of connection hose (6) is facilitated to be attached fixation respectively.
As a kind of preferred embodiment: connection hose (6) is the hose of a flexible material (such as rubber) production, is passed through respectively
First clip (16) and the second clip (15) connection material-extruding tube (5) and round tube sample (8), in round tube sample (8) by ultrasonic vibration
When the vibration on the circumferencial direction centered on its axis is done in bar (12) driving, the flexibility of connection hose (6), partition vibration are utilized
Transmitting to material-extruding tube (5) only allows round tube sample (8) to do the vibration on the circumferencial direction centered on its axis, is conducive to subtract
Small ultrasonic vibration bar (12) driving round tube sample (8) does the resistance of circumferencial direction high-frequency vibration, reduces ultrasonic vibration bar (12) and drives
The power of dynamic round tube sample (8) vibration.
As a kind of preferred embodiment: round tube sample (8) passes through completely identical in structure first slide bearings (7) of outer circle
The bore of bore and the second slide bearings (11) is cooperated, while the first slide bearings (7) and the second slide bearings
(11) it is fixedly linked with rack (13), round tube sample (8) is supported；First slide bearings (7) and the second sliding support
It is gap-matched between the bore of seat (11) and the periphery of round tube sample (8), and makes the bore of the first slide bearings (7)
Center line, the second slide bearings (11) bore center line and round tube sample (8) periphery center line on the same axis,
Round tube sample (8) can be rotated in the bore of the first slide bearings (7) and the second slide bearings (11) with lower resistance.
A kind of processing method of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device, according to following step
It is rapid to carry out:
Step 1: round tube sample (8) is sequentially passed through the bore of the second slide bearings (11), clamps the annulus hole of ring arm (9)
With the bore of the first slide bearings (7), the pinching screw (17) clamped on ring arm (9) is tightened, is clamped round tube sample (8)；Again
Round tube sample (8) is covered in connection hose (6), it is fixed with the second clip (15)；
Step 2: filling viscoelastic fluid and the mixed uniformly hydroabrasive of abrasive grain in charging cylinder (2) by casing drum (4)；
Step 3: hydraulic cylinder (1) pushes pushing piston (3) with the operating pressure of setting or flow, hydroabrasive is tried along round tube
The runner that sample (8) internal circular surfaces are constituted squeezes out, and the sliding velocity of abrasive grain is at round tube sample (8) inner wall in hydroabrasiveV slip ；
Step 4: starting ultrasonic vibration bar (12), makes round tube sample (8) centered on its axis, it is along the circumferential direction upper to generate vibration
Width isA, frequency bef, first phase beαUltrasonic vibration so that the abrasive grain in hydroabrasive at round tube sample (8) wall surface is with respect to round tube
The inner circle wall surface of sample (8) is formed in the sliding component velocity on circumferencial directionV f ,；
Step 5: repeating Step 2: three, four, round tube sample (8) are passed through by lasting promotions hydroabrasive, hydroabrasive is made to exist
Orthogonal sliding velocityV slip And sliding velocityV f Abrasive grain under compound action, with round tube sample (8) inner wall face contacti、i+
1、i+2 is equal in round tube sample (8) inner surface micro cutting, swiping, forms the waveform scratch being largely interweaved；
Step 6: being machined to the polishing time of setting, stop ultrasonic vibration bar (12), by pushing piston (3) operation to charging cylinder
(2) left side extreme position stops working pushing piston (3), makes to connect hose (6) and round tube sample (8) interior pressure release, then
Successively will clamp ring arm (9) on pinching screw (17), the second clip (15) unclamp, by round tube sample (8) from connect hose
(6) junction is unclamped, then takes out round tube sample (8) from right side from the bore of the second slide bearings (11), round tube sample
(8) inner surface skin processing is completed.
As a kind of preferred embodiment: the single abrasive particle in step 4 in hydroabrasive at round tube sample wall surface makes round tube sample
Inner surface forms waveform scratch.
As a kind of preferred embodiment: a large amount of abrasive grains in step 4 in hydroabrasive at round tube sample wall surface make round tube sample
The waveform scratch that inner surface is formed is interweaved.
The beneficial effects of the present invention are:
(1) by applying ultrasonic vibration on the circumferencial direction of round tube in the abrasive flows skin processing of round tube inner surface, so that
The scratch of round tube inner surface abrasive grain is by being waveform as shown in Fig. 4 along the axially varying of wall surface；
(2) it is interweaved by the waveform scratch of a large amount of abrasive grains, can not only reduce round tube sample inner surface in the axial directionX's
Roughness, and round tube sample inner surface can be reduced along the circumferential directionYRoughness, table in round tube sample can be significantly improved
The uniformity consistency of face all directions roughness promotes the effect of abrasive flows skin processing；
(3) a kind of simple and effective round tube sample inner surface viscoelastic fluid abrasive material precision finishing method, and light are provided
Surface roughness after whole processing can achieve Ra0.1 or less.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of device used herein；
Fig. 2 is the A-A cut-away view of Fig. 1；
Fig. 3 is the B-B cut-away view of Fig. 1；
Fig. 4 is the sliding trajectory schematic diagram of abrasive grain at workpiece wall surface of the present invention；
In figure: 1, hydraulic cylinder, 2, charging cylinder, 3, pushing piston, 4, casing drum, 5, material-extruding tube, 6, connection hose, the 7, first sliding
Support base, 8, round tube sample, 9, clamping ring arm, 10, screw, the 11, second slide bearings, 12, ultrasonic vibration bar, 13, rack,
14, pressure spring, the 15, second clip, the 16, first clip, 17, pinching screw, 18, gasket, XHydroabrasive is in round tube sample
Flow direction,YRound tube sample along its circumference direction of vibration,iContacted in hydroabrasive with round tube sample inner walliIt is a
Abrasive grain,i 1Contacted in hydroabrasive with round tube sample inner walli+ 1 abrasive grain,i 2In hydroabrasive with round tube sample inner wall
The of contacti+ 2 abrasive grains.
Specific embodiment
Embodiment one:
A kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device, including rack, rack-mounted push away
Material cylinder, the casing drum for being mounted in charging cylinder and being on the right side of pushing piston, is mounted on the pushing piston being mounted on charging cylinder
The hydraulic cylinder that connect on the left of charging cylinder and with pushing piston, the material-extruding tube for being fixed on charging cylinder right part, an end cap are in material-extruding tube
On the outside of right-hand end and by another end cap of connected hose on the outside of the fixed connection hose of the first clip, left end and pass through
Round tube sample that second clip is fixedly connected, be mounted on the rack be used to support round tube sample and with the rotation connection of round tube sample
First slide bearings and the second slide bearings are fixed on the rack and are in by clamping ring arm with what round tube sample was connect
The ultrasonic vibration bar of first slide bearings and the second slide bearings middle position.The axis and round tube sample of ultrasonic vibration bar
Axis antarafacial, which is mutually perpendicular to；Vibration on ultrasonic vibration rod axis direction is by clamping ring arm transmitting
Round tube sample is given, round tube sample is enable to be formed using its axis as the ultrasonic vibration on the circumferencial direction of rotary centerline.Clamping ring
Arm is made of upper and lower two semi-circular ring arm, and upper and lower two semi-circular ring arm left ends are connected by pinching screw, and upper and lower two and half
Annular ring arm right end is fixed by screw, pressure spring, gasket, and upper and lower two semi-circular ring arm clamp circle by the annulus end of one side
Pipe sample, upper and lower two semi-circular ring arm are connected by the cantilever end of its other side with ultrasonic vibration bar, upper and lower two semi-circulars
The annulus end diameter of bore of ring arm is equal to or slightly greater than the outer diameter of round tube sample, makes two semi-rings up and down by tightening pinching screw
The annulus end of shape ring arm generates flexible deformation and clamps round tube sample；Cantilever end is provided with the via hole of installation bolt, via hole and bolt
Gap is that 0.5-1mm, ultrasonic vibration bar and cantilever end are cooperated by the convex spherical of ultrasonic vibration boom end and the plane of cantilever end；
Ultrasonic vibration bar when doing ultrasonic vibration on the direction vertical with round tube sample axis, the spherical surface that makes ultrasonic vibration boom end with
In the state that cantilever end generates sliding, it is in close contact cantilever end and ultrasonic vibration bar by screw and pressure spring, guarantees ultrasound vibration
The transmitting of trend clamping ring arm.Material-extruding tube is made of integrated ring flange and round tube, at frustum transition, flange inside material-extruding tube
Disk end is fixedly connected with charging cylinder right part, and the end cap for connecting hose is fixed at round tube end and by the first clip；Material-extruding tube
Diameter when for squeezing out hydroabrasive from charging cylinder by hydroabrasive in charging cylinder narrows down to material-extruding tube with cone
The inner diameter size in round tube end exit, reduces the flow resistance of hydroabrasive, increases the flow of hydroabrasive, and material-extruding tube outlet is outer
The outer diameter of diameter and round tube sample is almost the same, and the both ends of connection hose is facilitated to be attached fixation respectively.Connecting hose is one soft
Property material (such as rubber) hose for making, respectively by the first clip and the second clamp connection material-extruding tube and round tube sample,
When round tube sample does the vibration on the circumferencial direction centered on its axis by the driving of ultrasonic vibration bar, the soft of connection hose is utilized
Property, transmitting of the partition vibration to material-extruding tube only allows round tube sample to do the vibration on the circumferencial direction centered on its axis, favorably
The resistance of circumferencial direction high-frequency vibration is done in reduction ultrasonic vibration bar driving round tube sample, reduces the driving round tube examination of ultrasonic vibration bar
The power of sample vibration.Round tube sample passes through the bore of completely identical in structure first slide bearings of outer circle and the second sliding support
The bore of seat is cooperated, while the first slide bearings and the second slide bearings are fixedly linked with rack, to round tube sample
It is supported；Matched between the periphery of the bore and round tube sample of first slide bearings and the second slide bearings using gap
It closes, and makes the outer circle of the bore center line of the first slide bearings, the bore center line of the second slide bearings and round tube sample
On the same axis, round tube sample can be in the bore of the first slide bearings and the second slide bearings with low for face center line
Resistance rotation.
Embodiment two:
A kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device, on the basis of embodiment one, in circle
A set of hydraulic cylinder 1, charging cylinder 2, pushing piston 3, casing drum 4, material-extruding tube 5, connection hose 6, the are added in the right side of pipe sample 8
One clip 16, the second clip 15 are acted by the pusher that the material cylinder of left and right two is coordinated in control, realize the ultrasound vibration of round tube sample 8
The two-way skin processing of dynamic auxiliary abrasive flows, improves the efficiency of skin processing.
Embodiment three:
A kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device, in embodiment one or embodiment two
On the basis of, ultrasonic vibration bar 12 is tilted and is installed, the axis and this two antarafacials of the axis of round tube sample 8 of ultrasonic vibration bar 12 are made
The angle of straight line is greater than 45o and is less than 90o, and round tube sample 8 is enable to be formed using its axis as on the circumferencial direction of rotary centerline
Ultrasonic vibration component on ultrasonic vibration component and axis direction makes in hydroabrasive the abrasive grain at 8 inner wall of round tube sample
Ultrasonic vibration component velocity superposition on 8 axis direction of sliding velocity and round tube sample, then with it is super on 8 circumferencial direction of round tube sample
The synthesis of acoustic vibration component velocity, carries out the ultrasonic vibration auxiliary abrasive stream skin processing of this mode.
Claims (6)
1. a kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device, including rack (13), it is mounted on rack
On charging cylinder (2), be mounted on charging cylinder (2) pushing piston (3), be mounted in charging cylinder (2) and in pushing piston
(3) casing drum (4) on the right side of is mounted on the hydraulic cylinder (1) connecting on the left of charging cylinder (2) and with pushing piston (3), is fixed on and pushes away
The material-extruding tube (5) of material cylinder (2) right part, an end cap are on the outside of material-extruding tube (5) right-hand end and fixed by the first clip (16)
Connection hose (6), be connected on the outside of left end hose (6) another end cap and the circle that is fixedly connected by the second clip (15)
Pipe sample (8) is mounted on the first cunning for being used to support round tube sample (8) on rack (13) and being rotatablely connected with round tube sample (8)
Dynamic support base (7) and the second slide bearings (11) are fixed on rack (13) and by clamping ring arm (9) and round tube sample
(8) the ultrasonic vibration bar (12) in the first slide bearings (7) and the second slide bearings (11) middle position connected.
2. a kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device according to claim 1: ultrasound
The axis of vibrating arm (12) and the axis antarafacial of round tube sample (8), two different surface beelines are mutually perpendicular to, ultrasonic vibration bar (12)
Vibration on axis direction passes to round tube sample (8) by clamping ring arm (9), form round tube sample (8) can with its axis
For the ultrasonic vibration on the circumferencial direction of rotary centerline.
3. a kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device according to claim 1: clamping
Ring arm (9) is made of upper and lower two semi-circular ring arm, and upper and lower two semi-circular ring arm left ends are connected by pinching screw (17), on
Lower two semi-circulars ring arm right end is fixed by screw (10), pressure spring (14), gasket (18), and upper and lower two semi-circular ring arm pass through
The annulus end of one side clamps round tube sample (8), and upper and lower two semi-circular ring arm are shaken by the cantilever end and ultrasound of its other side
Lever (12) is connected, and the annulus end diameter of bore of upper and lower two semi-circular ring arm is equal to or slightly greater than the outer diameter of round tube sample (8),
So that the annulus end of upper and lower two semi-circular ring arm is generated flexible deformation by tightening pinching screw (17) and clamps round tube sample (8)；
Cantilever end is provided with the via hole of installation bolt, and the gap of via hole and bolt is 0.5-1mm, and ultrasonic vibration bar (12) passes through with cantilever end
The convex spherical of ultrasonic vibration bar (12) end and the plane of cantilever end cooperate；Ultrasonic vibration bar (12) with round tube sample (8) axis
When doing ultrasonic vibration on the vertical direction of line, the state of sliding is generated in the spherical surface and cantilever end for making ultrasonic vibration bar (12) end
Under, it is in close contact cantilever end and ultrasonic vibration bar (12) by screw (10) and pressure spring (14), guarantees ultrasonic vibration to clamping
The transmitting of ring arm (9).
4. a kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device according to claim 1: material extrusion
Pipe (5) is made of integrated ring flange and round tube, and material-extruding tube (5) is internal at frustum transition, and ring flange end and charging cylinder (2) are right
End is fixedly connected, and the end cap for connecting hose (6) is fixed at round tube end and by the first clip (16)；Material-extruding tube (5) is used to
Make hydroabrasive that diameter of the hydroabrasive in charging cylinder (2) be narrowed down to material-extruding tube with cone when squeezing out from charging cylinder (2)
(5) inner diameter size in round tube end exit, reduces the flow resistance of hydroabrasive, increases the flow of hydroabrasive, material-extruding tube
(5) outer diameter for exporting outer diameter and round tube sample (8) is almost the same, and the both ends of connection hose (6) is facilitated to be attached fixation respectively.
5. a kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device according to claim 1: connection
Hose (6) is the hose of a flexible material (such as rubber) production, respectively even by the first clip (16) and the second clip (15)
Material-extruding tube (5) and round tube sample (8) are connect, is done centered on its axis in round tube sample (8) by ultrasonic vibration bar (12) driving
When vibration on circumferencial direction, using the flexibility of connection hose (6), transmitting of the partition vibration to material-extruding tube (5) only allows round tube to try
Sample (8) does the vibration on the circumferencial direction centered on its axis, is conducive to reduce ultrasonic vibration bar (12) driving round tube sample
(8) resistance of circumferencial direction high-frequency vibration is done, the power of ultrasonic vibration bar (12) driving round tube sample (8) vibration is reduced.
6. a kind of round tube inner wall ultrasonic vibration auxiliary abrasive stream precision finishing device according to claim 1: round tube
Sample (8) passes through the bore of completely identical in structure first slide bearings (7) of outer circle and the seat of the second slide bearings (11)
Hole is cooperated, while the first slide bearings (7) and the second slide bearings (11) are fixedly linked with rack (13), to round tube
Sample (8) is supported；The bore of first slide bearings (7) and the second slide bearings (11) is outer with round tube sample (8)
It is gap-matched between disc, and makes the seat of the bore center line of the first slide bearings (7), the second slide bearings (8)
On the same axis, round tube sample (8) can be in the first sliding support for centerline hole and the periphery center line of round tube sample (8)
It is rotated in the bore of seat (7) and the second slide bearings (11) with lower resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811322794.8A CN109531287B (en) | 2018-11-08 | 2018-11-08 | Precise finishing device for abrasive flow assisted by ultrasonic vibration on inner wall of circular tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811322794.8A CN109531287B (en) | 2018-11-08 | 2018-11-08 | Precise finishing device for abrasive flow assisted by ultrasonic vibration on inner wall of circular tube |
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| Publication Number | Publication Date |
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| CN109531287A true CN109531287A (en) | 2019-03-29 |
| CN109531287B CN109531287B (en) | 2020-12-18 |
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| CN201811322794.8A Active CN109531287B (en) | 2018-11-08 | 2018-11-08 | Precise finishing device for abrasive flow assisted by ultrasonic vibration on inner wall of circular tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076639A (en) * | 2019-05-20 | 2019-08-02 | 大连海洋大学 | A kind of abrasive Flow squeezes and oscillation residual stress abatement system and method |
| CN115213798A (en) * | 2022-09-19 | 2022-10-21 | 南通飞奔机械有限公司 | Processing equipment with internal thread polishing function for pipeline communicating piece |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110076639A (en) * | 2019-05-20 | 2019-08-02 | 大连海洋大学 | A kind of abrasive Flow squeezes and oscillation residual stress abatement system and method |
| CN115213798A (en) * | 2022-09-19 | 2022-10-21 | 南通飞奔机械有限公司 | Processing equipment with internal thread polishing function for pipeline communicating piece |
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