CN109848833A - A kind of electromagnetism-wriggling multiple grinding polishes the method and device of long straight tube inner surface - Google Patents
A kind of electromagnetism-wriggling multiple grinding polishes the method and device of long straight tube inner surface Download PDFInfo
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- CN109848833A CN109848833A CN201910073339.7A CN201910073339A CN109848833A CN 109848833 A CN109848833 A CN 109848833A CN 201910073339 A CN201910073339 A CN 201910073339A CN 109848833 A CN109848833 A CN 109848833A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The present invention relates to the method and devices that a kind of electromagnetism-wriggling multiple grinding polishes long straight tube inner surface, including base cabinet, abrasive grain updates storage device, abrasive grain delivery pipe, conversion head, field generator for magnetic, grip device, abrasive grain recovery tube, reciprocating moving device, the base box house is provided with abrasive grain and updates storage device, pipe fitting one end is connected by conversion head with abrasive grain delivery pipe, the other end is connected by conversion head with abrasive grain recovery tube, the abrasive grain delivery pipe other end, the abrasive grain recovery tube other end updates storage device case with abrasive grain and connect, reciprocating moving device is fixed on base cabinet, grip device, field generator for magnetic is mounted on reciprocating moving device.Advantage is: realizing to the skin processing of long straight tube inner surface, is ground using the motionless rotary electromagnetic field of pipe fitting, workpiece rotation is avoided to generate amount of deflection and whipping phenomenon；Abrasive material is automatically replaceable, improves the service life of processing efficiency and pipe fitting.
Description
Technical field
The present invention relates to the method and devices that a kind of electromagnetism-wriggling multiple grinding polishes long straight tube inner surface.
Background technique
With the development of the high-grade, precision and advanced technology industry such as aerospace, medical instrument, to the long straight tube inner surface of different pore size
Higher requirements are also raised for quality.Inner surface of pipe fitting quality unevenly will lead to gas or liquid inside pipe fitting pressure and
Flow velocity is uneven and generates surge phenomenon, reduces the pipe fitting service life.It is difficult to realize to long straight tube (diameter: 2- with conventional method
200mm, length 2m or more) inner surface skin processing.
China Patent Publication No. CN203236309U discloses a kind of synchronous magnetic grinding dress polished of straight tube surfaces externally and internally
It sets, China Patent Publication No. CN108326639A, discloses a kind of elongated tubular surfaces externally and internally precise grinding device and technique, two
Device, since pipe fitting rotates, can be generated and be scratched to pipe fitting inner wall grinding and polishing, but when being polished directly for long straight tube
Phenomena such as degree, whipping, causes pipe fitting to collide with grinding device, pipe fitting is caused to damage.If being processed to multiple short straight tubes, although
Preferable grinding effect can be reached, but the end of short tube needs to cut and destroy, lumber recovery adds well below to long straight tube
Work.Single to the grinding track of pipe fitting inner wall skin processing in the prior art simultaneously, magnetically grinding particle self-sharpening cannot be very
Good update, grinding efficiency are low.
Summary of the invention
In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a kind of magnetic-wriggling multiple grindings to polish long straight tube
The method and device of inner surface is ground using rotary electromagnetic field, is avoided, it can be achieved that skin processing to long straight tube inner surface
Workpiece rotation generates amount of deflection and whipping phenomenon, collides.Facilitate the recycling and reusing of abrasive material, abrasive material is replaced automatically, grinding
Track complicates, and improves the service life of processing efficiency and pipe fitting.
To achieve the above object, the invention is realized by the following technical scheme:
A kind of magnetic-wriggling multiple grinding polishes the device of long straight tube inner surface, including base cabinet, abrasive grain update storage dress
It sets, abrasive grain delivery pipe, conversion head, field generator for magnetic, grip device, abrasive grain recovery tube, reciprocating moving device, the base
Box house is provided with abrasive grain and updates storage device, and pipe fitting one end is connected by conversion head with abrasive grain delivery pipe, and the other end is logical
It crosses conversion head to be connected with abrasive grain recovery tube, the abrasive grain delivery pipe other end, the abrasive grain recovery tube other end are updated storage with abrasive grain
Device case connects, and reciprocating moving device is fixed on base cabinet, and grip device, field generator for magnetic are mounted on reciprocating movement dress
It sets；
The reciprocating moving device includes that sliding rail baffle, grip device fixed plate, sliding rail, field generator for magnetic are fixed
Plate, lead screw, bearing, shaft coupling, motor, motor base, slide rail base, sliding block, slider locking screw, screw；It is fixed on base
Be fixed with sliding rail in slide rail base on cabinet, sliding rail both ends are fixedly connected with sliding rail baffle, lead screw one end by shaft coupling with
Motor connection, the other end are connect by bearing with sliding rail baffle, and lead screw is threadedly coupled with screw, and screw and field generator for magnetic are solid
Fixed board is fixedly connected；Several sliding blocks are installed on sliding rail；Grip device fixed plate and field generator for magnetic fixed plate are fixed respectively
On sliding block；Motor is fixed on base cabinet by motor base；Grip device fixed plate is fixedly connected with grip device, magnetic
Field generating device fixed plate is fixedly connected with field generator for magnetic, and motor driven lead screw rotation, lead screw drives screw and then drives
Field generator for magnetic is mobile；Sliding block is fixedly connected by slider locking screw with sliding rail.
The field generator for magnetic includes magnetic pole frame, adjusts screw, electromagnet, magnetic yoke, and electromagnet is fixed on magnetic pole frame
On, through-hole is equipped among magnetic yoke, pipe fitting can pass through through-hole, be evenly distributed in magnetic pole frame location hole, electromagnet and magnetic in magnetic yoke
Pole frame is fixedly connected, and magnetic pole frame is fixedly connected by adjusting screw, magnetic pole frame location hole with magnetic yoke；Magnetic yoke and field generator for magnetic
Fixed plate is fixedly connected.
The magnetic pole frame is equipped with long hole, adjusts screw and is fixedly connected across long hole with magnetic yoke, and magnetic pole frame is L shape knot
Structure.
The abrasive grain update storage device include abrasive grain storage box, peristaltic pump, stirring motor, case lid, stirring shaft coupling,
Mixing Brush, abrasive grain storage box are fixedly mounted in base box body, and case lid is fixed in abrasive grain storage box, and stirring motor is fixed on case
It covers, the output shaft of stirring motor is connected by stirring shaft coupling with the Mixing Brush extending into abrasive grain storage box；Peristaltic pump
It is fixedly mounted on base cabinet；Abrasive grain delivery pipe one end passes through peristaltic pump and is connected with conversion head, and the other end is protruded by case lid
In abrasive grain storage box；Abrasive grain recovery tube one end is connected with conversion head, and the other end is extend into abrasive grain storage box by case lid.
The grip device includes claw, chuck, chuck seat, gauge stand knob, magnetic stand, chuck seat fixation hole, card
Pawl is embedded in inside chuck, chuck be it is hollow, pipe fitting can pass through chuck, and chuck seat be locked chuck, and chuck seat is equipped with
Chuck seat fixation hole, chuck seat are fixed on magnetic stand by chuck seat fixation hole, bolt, and gauge stand knob is mounted on magnetic power meter
Seat top.
It further include control cabinet, control cabinet is mounted on base cabinet upper right side, is disposed with display screen and operating surface on control cabinet
Plate.
The described grip device setting in reciprocating moving device two sides, field generator for magnetic setting two grip devices it
Between, field generator for magnetic is 2 or more.
A kind of method that magnetic-wriggling multiple grinding polishes long straight tube inner surface, comprising the following steps:
1) pipe fitting passes through two sides grip device and neutral magnetic field generating device, adjusts processing length, locks two sides fixture
The slider locking screw on magnetic stand and reciprocating moving device on device adjusts the magnetic pole frame on field generator for magnetic, protects
Demonstrate,proving electromagnet is 3mm at a distance from pipe fitting hereinafter, and will adjust screw locking；
2) magnetically grinding particle, water base lapping liquid, water are poured into abrasive grain storage box in the ratio of 2:3:5 after mixing evenly
In, case lid is placed in abrasive grain storage box；
3) magnetic field strength of electromagnet is set by operation panel；Set the alive direction of electromagnet and electric impulse signal
Conduction time, i.e. conduction time of electromagnet；
Grinding pressure caused by magnetic grinding are as follows:
B is magnetic induction intensity, μ in formula (1)mFor the relative permeability of magnetic abrasive grain, μ0For air permeability, 4 π × 10 are taken-7H/m, grinding pressure P and magnetic induction density B it is square directly proportional, grinding pressure is bigger, grinding of the magnetic force brush to inner surface of pipe fitting
Pressure is bigger, and material removal amount is bigger, and grinding efficiency is higher, and when two magnetic poles form the circuit N-S, magnetic pole circuit distance is close, magnetic
The magnetic induction intensity of interpolar is bigger；
4) start stirring motor, be uniformly distributed magnetically grinding particle in the liquid of flowing, start peristaltic pump, electromagnet
Rotating excitation field is generated, absorption magnetically grinding particle forms magnetic force brush；The moment that electromagnet powers off electric is realized to magnetically grinding grain
The replacement of sub- cutting edge, magnetic force brush profiling pressure are attached to inner surface of pipe fitting, the rotation of motor driven lead screw, and lead screw band moving field fills
It sets and is moved back and forth on lead screw, as field generator for magnetic is moved back and forth along pipe fitting, magnetic grain brush follows magnetic pole to rotate, in pipe fitting
Surface forms helical form grinding track, generates relative motion with pipe fitting；Magnetic grain brush to the continuous swiping of inner surface of pipe fitting, delineation, from
And realize to the micro cutting of its inner surface, complete the skin processing of inner surface of pipe fitting.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is realized to the skin processing of long straight tube inner surface, is ground, is kept away using the motionless rotary electromagnetic field of pipe fitting
Exempt from workpiece rotation and generate amount of deflection and whipping phenomenon, collides.Abrasive grain, which updates storage device, facilitates the recycling and reusing of abrasive material,
Abrasive material is automatically replaceable, and combined magnetic field generating device can be such that grinding track complicates, and improves the use of processing efficiency and pipe fitting
Service life.Compared with permanent magnet, electromagnet can preferably control magnetic on-off, improve the utilization rate of magnetic force brush, and then improve
Working efficiency.It solves the long straight tube rotation of tradition and generates amount of deflection interference problem, high degree of automation solves abrasive grain and repeatedly replaces
Problem, save the cost are environmentally protective.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the structural schematic diagram of reciprocating moving device.
Fig. 3 is the scheme of installation of screw.
Fig. 4 is the structural schematic diagram of field generator for magnetic.
Fig. 5 is the structural schematic diagram that abrasive grain updates storage device.
Fig. 6 is the structural schematic diagram of grip device.
Fig. 7 is the grinding track schematic diagram of conventional method.
Fig. 8 is the grinding track schematic diagram of the method for the present invention.
In figure: 1- base cabinet 2- abrasive grain updates storage the magnetic field device 3- abrasive grain delivery pipe 4- conversion head 5- and fills
Set 6- pipe fitting 7- grip device 8- abrasive grain recovery tube 9- reciprocating moving device 10- control cabinet 11- display screen 12- operation
Panel 13- cabinet door 14- sliding rail baffle 15- grip device fixed plate 16- sliding rail 17- field generator for magnetic fixed plate
18- lead screw 19- bearing 20- shaft coupling 21- motor 22- motor base 23- slide rail base 24- sliding block 25- slider locking
Screw 26- magnetic pole frame 27- magnetic pole frame location hole 28- adjusts screw 29- electromagnet 30- magnetic yoke 31- fixation hole 32- mill
Grain storage box 33- peristaltic pump 34- stirring motor 35- case lid 36- stirs shaft coupling 37- Mixing Brush 38- claw 39- card
Disk 40- chuck seat 41- gauge stand knob 42- magnetic stand 43- chuck seat fixation hole 44- screw.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings of the specification, it should be noted that implementation of the invention is unlimited
In the following embodiments and the accompanying drawings.
See Fig. 1, a kind of magnetic-wriggling multiple grinding polishes the device of long straight tube inner surface, including base cabinet 1, abrasive grain are more
New storage device 2, conversion head 4, field generator for magnetic 5, grip device 7, abrasive grain recovery tube 8, moves back and forth abrasive grain delivery pipe 3
Device 9, the base cabinet 1 are internally provided with abrasive grain and update storage device 2, and 6 one end of pipe fitting is defeated by conversion head 4 and abrasive grain
Pipe 3 is sent to be connected, the other end is connected by conversion head 4 with abrasive grain recovery tube 8,3 other end of abrasive grain delivery pipe, abrasive grain recovery tube
8 other ends are updated storage device 2 casees with abrasive grain and are connect, and are fixed with reciprocating moving device 9 on base cabinet 1, grip device 7,
Field generator for magnetic 5 is mounted on reciprocating moving device 9；Control cabinet 10 is additionally provided on base cabinet 1, control cabinet 10 is mounted on machine
1 upper right side of seat-box body is disposed with display screen 11 and operation panel 12 on control cabinet 10.The setting of grip device 7 is moving back and forth dress
9 two sides are set, field generator for magnetic 5 is arranged between two grip devices 7, and field generator for magnetic 5 is 2 or more.
See that Fig. 2, Fig. 3, reciprocating moving device 9 include sliding rail baffle 14, grip device fixed plate 15, sliding rail 16, magnetic field hair
Generating apparatus fixed plate 17, bearing 19, shaft coupling 20, motor 21, motor base 22, slide rail base 23, sliding block 24, is slided lead screw 18
Block lock-screw 25, screw 44；Sliding rail 16 is fixed in the slide rail base 23 being fixed on base cabinet 1,16 both ends of sliding rail are solid
Surely it is connected with sliding rail baffle 14,18 one end of lead screw is connect by shaft coupling 20 with motor 21, and the other end passes through bearing 19 and sliding rail
Baffle 14 connects；Several sliding blocks 24 are installed, the screw 44 in field generator for magnetic fixed plate 17 and 18 spiral shell of lead screw on sliding rail 16
Line connection；Grip device fixed plate 15 and field generator for magnetic fixed plate 17 are separately fixed on sliding block 24；Grip device is fixed
Plate 15 is fixedly connected with grip device 7, and field generator for magnetic fixed plate 17 is fixedly connected with field generator for magnetic 5, and motor 21 is logical
Motor base 22 is crossed to be fixed on base cabinet 1；Motor 21 drives lead screw 18 to rotate, and lead screw 18 drives screw 44 on lead screw 18
It moves back and forth, and then keeps field generator for magnetic 5 mobile, the reciprocating movement of device 7 cannot be driven fixture；It manually adjusts for fixing clamp
Have the sliding block 24 of device fixed plate 15, moves sliding block 24 with respect to sliding rail 16, and then the position of alignment jig device 7, sliding block 24
It is fixedly connected by slider locking screw 25 with sliding rail 16.
See that Fig. 4, field generator for magnetic 5 include magnetic pole frame 26, adjust screw 28, electromagnet 29, magnetic yoke 30, electromagnet 29 is solid
It is scheduled on magnetic pole frame 26, through-hole is equipped among magnetic yoke 30, pipe fitting 6 can pass through through-hole, be evenly distributed in magnetic pole frame in magnetic yoke 30
Location hole 27, electromagnet 29 are fixedly connected with magnetic pole frame 26, and magnetic pole frame 26 is by adjusting screw 28, magnetic pole frame location hole 27 and magnetic
Yoke 30 is fixedly connected；Magnetic yoke 30 is equipped with fixation hole 31, using fixation hole 31 by magnetic yoke 30 and field generator for magnetic fixed plate 17
It is fixedly connected.Magnetic pole frame 26 is equipped with long hole, adjusts screw 28 and is fixedly connected across long hole with magnetic yoke 30, and magnetic pole frame 26 is L shape
Structure, for short side part for installing electromagnet 29, long leg is arranged with long hole.
See that Fig. 5, abrasive grain update storage device 2 and include abrasive grain storage box 32, peristaltic pump 33, stirring motor 34, case lid 35, stir
Shaft coupling 36, Mixing Brush 37 are mixed, abrasive grain storage box 32 is fixedly mounted in base cabinet 1, and case lid 35 is fixed on abrasive grain storage box
On 32, stirring motor 34 is fixed on case lid 35, and the output shaft of stirring motor 34 by stirring shaft coupling 36 and extend into abrasive grain
Mixing Brush 37 in storage box 32 is connected；Peristaltic pump 33 is fixedly mounted on base cabinet 1；3 one end of abrasive grain delivery pipe passes through
Peristaltic pump 33 is connected with conversion head 4, and the other end is protruded into abrasive grain storage box 32 by case lid 35；8 one end of abrasive grain recovery tube with turn
It changes first 4 to be connected, the other end is extend into abrasive grain storage box 32 by case lid 35.
See that Fig. 6, grip device 7 include claw 38, chuck 39, chuck seat 40, gauge stand knob 41, magnetic stand 42, chuck
Seat fixation hole 43, claw 38 is embedded in inside chuck 39, chuck 39 be it is hollow, pipe fitting 6 can pass through chuck 39, and chuck seat 40 is locked
Chuck 39 is fastened, chuck seat 40 is equipped with chuck seat fixation hole 43, and chuck seat 40 is fixed by chuck seat fixation hole 43, bolt
On magnetic stand 42, gauge stand knob 41 is mounted on 42 top of magnetic stand, makes magnetic stand 42 by screwing gauge stand knob 41
It is fixed in grip device fixed plate 15.
See Fig. 7, conventional magnetic polishing, peripheral pole rotation drives magnetically grinding particle to do along 6 axial direction of pipe fitting past
Multiple spiral track, grinding track is single, and grinding efficiency is low；See that Fig. 8, electromagnetism-wriggling multiple grinding polish long straight tube polishing,
On existing grinding track, increases peristaltic pump 33 and supply magnetically grinding particle along the grinding track of 6 axis direction of pipe fitting, grind rail
Mark is staggeredly complicated, and the track angle of cut is small, grinds even compact.
See Fig. 1-Fig. 8, the method that magnetic-wriggling multiple grinding polishes long straight tube inner surface, comprising the following steps:
1) pipe fitting 6 passes through two sides grip device 7 and neutral magnetic field generating device 5, adjusts processing length, locking two sides folder
Have the slider locking screw 25 on the magnetic stand 42 and reciprocating moving device 9 on device 7, adjusts on field generator for magnetic 5
Magnetic pole frame 26 guarantees that electromagnet 29 is 3mm at a distance from pipe fitting 6 hereinafter, and locking screw 28 is adjusted；
2) by magnetically grinding particle, water base lapping liquid, water, (example: 500g magnetically grinding particle, 750ml is water base grinds by 2: 3: 5
Grinding fluid, 1250ml water) ratio poured into abrasive grain storage box 32 after mixing evenly, case lid 35 is placed in abrasive grain storage box 32；
3) magnetic field strength of electromagnet 29 is inputted by operation panel (example: magnetic field strength B is in 0.5~0.6 tesla)；If
Determine the rotation speed and milling time of the rotating excitation field N-N-S-S of the generation of electromagnet 29, the alive direction of electromagnet 29 and
The conduction time of electric impulse signal, the i.e. conduction time of electromagnet 29；Creep rate is set as 35rpm；
Grinding pressure caused by magnetic grinding are as follows:
In formula (1): B is magnetic induction intensity, μmFor the relative permeability of magnetic abrasive grain, μ0For air permeability, take 4 π ×
10-7H/m。
Grinding pressure P and magnetic induction density B it is square directly proportional, grinding pressure is bigger, and magnetic force brush is to 6 inner surface of pipe fitting
Grinding pressure is bigger, and material removal amount is bigger, and grinding efficiency is higher.When two magnetic poles form the circuit N-S, magnetic pole circuit distance
Closely, the magnetic induction intensity between magnetic pole is bigger.
4) start stirring motor 34, be uniformly distributed magnetically grinding particle in the liquid of flowing, start peristaltic pump 33, electricity
Magnet 29 generates rotating excitation field, sees that Fig. 4, logical forward current are set as N grades, negative current is S grades.The logical positive electricity of electromagnet 29a
Stream, electromagnet 29b lead to negative current, energization 2s；Electromagnet 29a power-off, electromagnet 29b lead to forward current, and electromagnet 29c is logical negative
To electric current, energization 2s；Electromagnet 29b power-off, electromagnet 29c lead to forward current, and electromagnet 29d leads to negative current, energization 2s；Electricity
Magnet 29c power-off, electromagnet 29d lead to forward current, and electromagnet 29a leads to negative current, energization 2s；It circuits sequentially, forms rotation
Magnetic field, conduction time control rotation speed.29 energization direction of electromagnet see the table below:
| S1 | S2 | S3 | S4 | |
| a | N | |||
| b | S | N | ||
| c | S | N | ||
| d | S | N |
It adsorbs magnetically grinding particle and forms magnetic force brush；The moment that electromagnet 29 powers off electric is realized and cuts to magnetically grinding particle
The replacement of sword is cut, magnetic force brush profiling pressure is attached to 6 inner surface of pipe fitting, and motor 21 drives lead screw 18 to rotate, and lead screw 18 is sent out with moving field
It is moved back and forth on 5 lead screw 18 of generating apparatus, as field generator for magnetic 5 is moved back and forth along pipe fitting 6, magnetic grain brush follows magnetic pole to rotate,
Helical form grinding track is formed in 6 inner surface of pipe fitting, generates relative motion with pipe fitting 6；Magnetic grain brush is constantly sliding to 6 inner surface of pipe fitting
It wipes, delineation, to realize the micro cutting to its inner surface, completes the skin processing of 6 inner surface of pipe fitting.
The present invention, can not only using magnetic finishing in the case where pipe fitting 6 is motionless using the fixed pipe fitting 6 of grip device 7
It enough realizes the skin processing of 6 inner surface of pipe fitting, and abrasive material can be used for multiple times, be conducive to cutting for magnetically grinding particle
Sword replacement is cut, the service life of magnetically grinding particle is extended, grinding track complicates, and improves grinding efficiency.It is long straight to solve tradition
Pipe rotation generates amount of deflection interference problem, solves the multiple replacement problem of abrasive grain, and save the cost is environmentally protective.
Claims (8)
1. the device that a kind of magnetic-wriggling multiple grinding polishes long straight tube inner surface, which is characterized in that including base cabinet, abrasive grain
Device, abrasive grain delivery pipe, conversion head, field generator for magnetic, grip device, abrasive grain recovery tube, reciprocating moving device are updated storage,
The base box house is provided with abrasive grain and updates storage device, and pipe fitting one end is connected by conversion head with abrasive grain delivery pipe
Logical, the other end is connected by conversion head with abrasive grain recovery tube, the abrasive grain delivery pipe other end, the abrasive grain recovery tube other end with mill
Grain updates storage the connection of device case, is fixed with reciprocating moving device on base cabinet, grip device, field generator for magnetic are mounted on
On reciprocating moving device；
The reciprocating moving device includes sliding rail baffle, grip device fixed plate, sliding rail, field generator for magnetic fixed plate, silk
Thick stick, bearing, shaft coupling, motor, motor base, slide rail base, sliding block, slider locking screw, screw；It is fixed on base cabinet
Slide rail base on be fixed with sliding rail, sliding rail both ends are fixedly connected with sliding rail baffle, and lead screw one end is connected by shaft coupling and motor
It connects, the other end is connect by bearing with sliding rail baffle, and lead screw is threadedly coupled with screw, and screw and field generator for magnetic fixed plate are solid
Fixed connection；Several sliding blocks are installed on sliding rail；Grip device fixed plate and field generator for magnetic fixed plate are separately fixed at sliding block
On；Motor is fixed on base cabinet by motor base；Grip device fixed plate is fixedly connected with grip device, and magnetic field occurs
Device fixed plate is fixedly connected with field generator for magnetic, the rotation of motor driven lead screw, and lead screw drives screw and then driving magnetic field hair
Generating apparatus is mobile；Sliding block is fixedly connected by slider locking screw with sliding rail.
2. a kind of magnetic-wriggling multiple grinding according to claim 1 polishes the device of long straight tube inner surface, feature exists
In the field generator for magnetic includes magnetic pole frame, adjusts screw, electromagnet, magnetic yoke, and electromagnet is fixed on magnetic pole frame, magnetic
Through-hole is equipped among yoke, pipe fitting can pass through through-hole, and magnetic pole frame location hole is evenly distributed in magnetic yoke, and electromagnet and magnetic pole frame are solid
Fixed connection, magnetic pole frame are fixedly connected by adjusting screw, magnetic pole frame location hole with magnetic yoke；Magnetic yoke and field generator for magnetic fixed plate
It is fixedly connected.
3. a kind of magnetic-wriggling multiple grinding according to claim 2 polishes the device of long straight tube inner surface, feature exists
In the magnetic pole frame is equipped with long hole, adjusts screw and is fixedly connected across long hole with magnetic yoke, and magnetic pole frame is L-shaped structure.
4. a kind of magnetic-wriggling multiple grinding according to claim 1 polishes the device of long straight tube inner surface, feature exists
In it includes abrasive grain storage box, peristaltic pump, stirring motor, case lid, stirring shaft coupling, stirring that the abrasive grain, which updates storage device,
Brush, abrasive grain storage box are fixedly mounted in base box body, and case lid is fixed in abrasive grain storage box, and stirring motor is fixed on case lid
On, the output shaft of stirring motor is connected by stirring shaft coupling with the Mixing Brush extending into abrasive grain storage box；Peristaltic pump is solid
Dingan County is on base cabinet；Abrasive grain delivery pipe one end passes through peristaltic pump and is connected with conversion head, and the other end protrudes into mill by case lid
In grain storage box；Abrasive grain recovery tube one end is connected with conversion head, and the other end is extend into abrasive grain storage box by case lid.
5. a kind of magnetic-wriggling multiple grinding according to claim 1 polishes the device of long straight tube inner surface, feature exists
In the grip device includes claw, chuck, chuck seat, gauge stand knob, magnetic stand, chuck seat fixation hole, and claw is inlayed
Inside chuck, chuck be it is hollow, pipe fitting can pass through chuck, and chuck seat be locked chuck, and chuck seat is equipped with chuck seat
Fixation hole, chuck seat are fixed on magnetic stand by chuck seat fixation hole, bolt, and gauge stand knob is mounted on magnetic stand
Side.
6. a kind of magnetic-wriggling multiple grinding according to claim 1 polishes the device of long straight tube inner surface, feature exists
In further including control cabinet, control cabinet is mounted on base cabinet upper right side, is disposed with display screen and operation panel on control cabinet.
7. a kind of magnetic-wriggling multiple grinding according to claim 1 polishes the device of long straight tube inner surface, feature exists
In the grip device setting is in reciprocating moving device two sides, and field generator for magnetic is arranged between two grip devices, magnetic
Field generating device is 2 or more.
8. a kind of magnetic realized using device described in claim 1-7 any one-wriggling multiple grinding is polished in long straight tube
The method on surface, which comprises the following steps:
1) pipe fitting passes through two sides grip device and neutral magnetic field generating device, adjusts processing length, locks two sides grip device
On magnetic stand and reciprocating moving device on slider locking screw, adjust field generator for magnetic on magnetic pole frame, guarantee electricity
Magnet is 3mm at a distance from pipe fitting hereinafter, and will adjust screw locking；
2) magnetically grinding particle, water base lapping liquid, water are poured into abrasive grain storage box after mixing evenly in the ratio of 2:3:5, case
Lid is placed in abrasive grain storage box；
3) magnetic field strength of electromagnet is set by operation panel；Set the logical of the alive direction of electromagnet and electric impulse signal
Electric time, the i.e. conduction time of electromagnet；
Grinding pressure caused by magnetic grinding are as follows:
B is magnetic induction intensity, μ in formula (1)mFor the relative permeability of magnetic abrasive grain, μ0For air permeability, 4 π × 10 are taken-7H/m,
Grinding pressure P and magnetic induction density B it is square directly proportional, grinding pressure is bigger, grinding pressure of the magnetic force brush to inner surface of pipe fitting
Bigger, material removal amount is bigger, and grinding efficiency is higher, and when two magnetic poles form the circuit N-S, magnetic pole circuit distance is close, between magnetic pole
Magnetic induction intensity it is bigger；
4) start stirring motor, be uniformly distributed magnetically grinding particle in the liquid of flowing, start peristaltic pump, electromagnet generates
Rotating excitation field, absorption magnetically grinding particle form magnetic force brush；The moment that electromagnet powers off electric is realized and cuts to magnetically grinding particle
The replacement of sword is cut, magnetic force brush profiling pressure is attached to inner surface of pipe fitting, the rotation of motor driven lead screw, and lead screw drives field generator for magnetic to exist
It is moved back and forth on lead screw, as field generator for magnetic is moved back and forth along pipe fitting, magnetic grain brush follows magnetic pole to rotate, in inner surface of pipe fitting
Helical form grinding track is formed, generates relative motion with pipe fitting；Magnetic grain brush is to the continuous swiping of inner surface of pipe fitting, delineation, thus real
Now to the micro cutting of its inner surface, the skin processing of inner surface of pipe fitting is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073339.7A CN109848833B (en) | 2019-01-25 | 2019-01-25 | Method and device for polishing inner surface of long straight pipe by electromagnetic-peristaltic composite grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073339.7A CN109848833B (en) | 2019-01-25 | 2019-01-25 | Method and device for polishing inner surface of long straight pipe by electromagnetic-peristaltic composite grinding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109848833A true CN109848833A (en) | 2019-06-07 |
| CN109848833B CN109848833B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910073339.7A Active CN109848833B (en) | 2019-01-25 | 2019-01-25 | Method and device for polishing inner surface of long straight pipe by electromagnetic-peristaltic composite grinding |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509122A (en) * | 2019-10-09 | 2019-11-29 | 山东理工大学 | The double pole pair DC electromagnets of intravascular stent pipe material inner wall magnetic abrasive finishing polishing |
| CN110653666A (en) * | 2019-10-09 | 2020-01-07 | 山东理工大学 | Automatic magnetic particle grinding and polishing machine for inner wall of blood vessel stent pipe driven by electromagnet magnetic force through double magnetic poles |
| CN110712073A (en) * | 2019-10-09 | 2020-01-21 | 山东理工大学 | Motor and permanent magnet series connection type blood vessel stent pipe inner wall magnetic particle grinding and polishing machine |
| CN110842659A (en) * | 2019-12-10 | 2020-02-28 | 辽宁科技大学 | Adjustable electromagnetic grinding and polishing device and method for inner surface of bent pipe |
| CN111266936A (en) * | 2020-03-20 | 2020-06-12 | 辽宁科技大学 | Electromagnet composite ultrasonic magnetic grinding device and use method thereof |
| CN112548841A (en) * | 2020-12-04 | 2021-03-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Rotating magnetic field generating device and part internal surface polishing system thereof |
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| CN112706083A (en) * | 2020-12-31 | 2021-04-27 | 重庆西山科技股份有限公司 | Pipe fitting clamping workbench |
| CN112792722A (en) * | 2020-12-31 | 2021-05-14 | 重庆西山科技股份有限公司 | Abrasive polishing device |
| CN113664625A (en) * | 2021-09-09 | 2021-11-19 | 南京航太机电有限公司 | Magnetic grinding device and method for bead-shaped inner spherical surface |
| CN113843663A (en) * | 2021-12-01 | 2021-12-28 | 益路恒丰衡水沥青科技有限公司 | Novel waveguide inner wall magnetic grinding ultra-precision machining device and method |
| CN115122226A (en) * | 2022-07-11 | 2022-09-30 | 内蒙古工业大学 | Permanent magnetic field rotary grinding device |
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|---|---|---|---|---|
| CN110653666A (en) * | 2019-10-09 | 2020-01-07 | 山东理工大学 | Automatic magnetic particle grinding and polishing machine for inner wall of blood vessel stent pipe driven by electromagnet magnetic force through double magnetic poles |
| CN110712073A (en) * | 2019-10-09 | 2020-01-21 | 山东理工大学 | Motor and permanent magnet series connection type blood vessel stent pipe inner wall magnetic particle grinding and polishing machine |
| CN110509122B (en) * | 2019-10-09 | 2021-03-12 | 山东理工大学 | Double-magnetic-pole pair DC electromagnet for grinding and polishing magnetic particles on inner wall of blood vessel stent tube |
| CN110509122A (en) * | 2019-10-09 | 2019-11-29 | 山东理工大学 | The double pole pair DC electromagnets of intravascular stent pipe material inner wall magnetic abrasive finishing polishing |
| CN110842659A (en) * | 2019-12-10 | 2020-02-28 | 辽宁科技大学 | Adjustable electromagnetic grinding and polishing device and method for inner surface of bent pipe |
| CN111266936A (en) * | 2020-03-20 | 2020-06-12 | 辽宁科技大学 | Electromagnet composite ultrasonic magnetic grinding device and use method thereof |
| CN112605877A (en) * | 2020-12-02 | 2021-04-06 | 安徽索维机电设备制造有限公司 | Horizontal dull polish machine is used in processing of annular work piece |
| CN112548841A (en) * | 2020-12-04 | 2021-03-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Rotating magnetic field generating device and part internal surface polishing system thereof |
| CN112548840A (en) * | 2020-12-04 | 2021-03-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Method for polishing inner surface of part |
| CN112706083A (en) * | 2020-12-31 | 2021-04-27 | 重庆西山科技股份有限公司 | Pipe fitting clamping workbench |
| CN112792722A (en) * | 2020-12-31 | 2021-05-14 | 重庆西山科技股份有限公司 | Abrasive polishing device |
| CN113664625A (en) * | 2021-09-09 | 2021-11-19 | 南京航太机电有限公司 | Magnetic grinding device and method for bead-shaped inner spherical surface |
| CN113843663A (en) * | 2021-12-01 | 2021-12-28 | 益路恒丰衡水沥青科技有限公司 | Novel waveguide inner wall magnetic grinding ultra-precision machining device and method |
| CN115122226A (en) * | 2022-07-11 | 2022-09-30 | 内蒙古工业大学 | Permanent magnetic field rotary grinding device |
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