CN109732468A - A kind of micropore crush and grind lathe - Google Patents
A kind of micropore crush and grind lathe Download PDFInfo
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- CN109732468A CN109732468A CN201910177428.6A CN201910177428A CN109732468A CN 109732468 A CN109732468 A CN 109732468A CN 201910177428 A CN201910177428 A CN 201910177428A CN 109732468 A CN109732468 A CN 109732468A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention discloses a kind of micropore crush and grind lathes, including rack, abrasive material bucket, suction system, filtration system, oil plant switching system and clamp assembly；The rack includes power section and operation part, and power section side is equipped with door, one side opening of operation part；The suction system includes big servo electric jar, material sucting cylinder and solenoid valve VI；The big servo electric jar is mounted in power section, and the piston rod top end of big servo electric jar is fixedly connected with piston；The material sucting cylinder is fixedly connected on the top of big servo electric jar, and sealing element is equipped between material sucting cylinder and big servo electric jar, and the piston of big servo electric jar end is slidably connected to the inner wall of material sucting cylinder；The solenoid valve VI is fixedly connected on material sucting cylinder, and solenoid valve VI is connected by the inner cavity of pipeline and material sucting cylinder.The present invention can process two micropores on one device simultaneously, not need replacement multiple devices, time saving and energy saving, greatly improve working efficiency.
Description
Technical field
The present invention relates to capillary processing equipment technical field more particularly to a kind of micropore crush and grind lathes.
Background technique
Common-rail injector is the critical component in diesel engine common rail system, and the key that common-rail injector needs to solve
Technology is to make the spray characteristics of common-rail injector meet wanting for combustion system of diesel engine as controlled accurate control fuel injection amount
It asks.During this, the important role of valve pocket performer in common-rail injector.
As shown in Figure 1,60 both ends of valve pocket are respectively valve rod 61 and baffle, whole longitudinal cross-section is in " T " shape.Valve rod
61 bottom end is equipped with mesoporous 65, and the side of valve rod 61 is equipped with the hole Z 64 penetrated through with mesoporous 65, is equipped in perforation at 62 center of block
The hole A 63 in hole 65.Wherein the hole A 63 and the hole Z 64 are micropore, and the required precision in the hole A 63 and the hole Z 64 is very high, process this two
When a micropore, first passing through electric spark-erosion perforation machine and get two blastopores, not only size is not up to standard for two blastopores that electric spark is got, and
And its inner wall is jagged and corner angle, needs to carry out attrition process to the two blastopores by micropore crush and grind lathe.
Micropore crush and grind lathe, exactly prepares abrasive material and hydraulic oil, then make to mix by hydraulic system by a certain percentage
Abrasive material in hydraulic oil forms abrasive flows and carries out crush and grind processing by blastopore to be processed, so that micropore reaches rule
Fixed port size and Hole Wall Roughness.
But traditional micropore crush and grind lathe can only process single micropore every time, and there are two micropore on valve pocket,
It when processing valve pocket, needs to process the hole A with an equipment, then changes another equipment processing hole Z, time-consuming and laborious in this way, working efficiency
It is extremely inefficient.
Therefore, it invents and a kind of solves the above problems very for processing the micropore crush and grind lathe of common-rail injector valve pocket
It is necessary to.
Summary of the invention
The purpose of the present invention is to provide a kind of micropore crush and grind lathe, can process on one device simultaneously two it is micro-
Hole greatly improves working efficiency, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of micropore crush and grind lathe, including rack, abrasive material bucket, suction system, filtration system, oil plant switching system and fixture
Component；The rack includes power section and operation part, and power section side is equipped with door, one side opening of operation part；Institute
Stating suction system includes big servo electric jar, material sucting cylinder and solenoid valve VI；The big servo electric jar is mounted in power section,
The piston rod top end of big servo electric jar is fixedly connected with piston；The material sucting cylinder is fixedly connected on the top of big servo electric jar
End, and sealing element is equipped between material sucting cylinder and big servo electric jar, the piston of big servo electric jar end is slidably connected to suction
The inner wall of cylinder；The solenoid valve VI is fixedly connected on material sucting cylinder, and solenoid valve VI is connected by the inner cavity of pipeline and material sucting cylinder；
The abrasive material bucket is fixedly connected on inside power section, and abrasive material bucket is connect by pipeline with solenoid valve VI；The filtration system
Including filtering valve block and filter；The filtering valve block is fixedly connected on the inner wall of power section, and filter is fixedly connected on
It filters in valve block, and filters valve block and connect by pipeline with solenoid valve VI；The oil plant switching system includes solenoid valve I, electromagnetism
Valve II, solenoid valve III, solenoid valve V and transition valve block；The solenoid valve I, solenoid valve II are connected by pipeline and filtering valve block respectively
It connects；The transition valve block is equipped with U, V, W, X, Y five inlet and outlet, wherein communicates with V mouthfuls for U mouthfuls, and W mouthfuls, X mouthfuls and Y mouthfuls communicate, electricity
Magnet valve I connect by pipeline with U mouthful, and solenoid valve II passes through pipeline and connect with W mouthfuls, solenoid valve III pass through pipeline respectively with X mouthfuls, grind
Charging basket connection；The clamp assembly is set to inside operation part comprising the first actuator, supporting mechanism, pressure head and pedestal；Institute
It states the first actuator and pedestal is respectively fixedly connected in the top and bottom of supporting mechanism, the side of pedestal is equipped with the oil inlet of the hole A and connects
Mouthful and the hole Z oil inlet interface, the hole A oil inlet interface, the hole Z oil inlet interface by pipeline respectively in transition valve block Y mouth, V mouthfuls connect,
Groove C is equipped with above pedestal, the bottom end groove C is equipped with groove D, and the hole A oil inlet interface and groove D are penetrated through；It is fixed in the groove C to connect
It is connected to fixture block, the perforation material placing hole for placing workpiece is offered on fixture block, the inner wall of material placing hole is equipped with annular oil groove, fixture block
Outer wall be equipped with the outer ring oil groove concordant with the hole Z oil inlet interface, between outer ring oil groove and annular oil groove be equipped with lower oil duct
The inner wall in hole, fixture block outer wall and groove C above and below annular oil groove is equipped with sealing element a and sealing element b；The pressure head is fixedly connected
On the output shaft of the first actuator, the side of pressure head lower part is equipped with the hole A oil out port, one end of solenoid valve V by pipeline with
The connection of the hole A oil out port, the other end are connect by pipeline with abrasive material bucket, and pressure head lower end surface is offered to be penetrated through with the hole A oil out port
Upper oil hole, and pressure head lower end surface be equipped with sealing element c, pressure head the first actuator driving under move so that pressure head lower end surface
It is contacted with the workpiece on fixture block.
Further improvement of the present invention scheme is to be additionally provided with back pressure system on the pipeline between the solenoid valve III and abrasive material bucket
System, back pressure system includes small servo electric jar, back pressure cylinder and solenoid valve IV；The small servo electric jar is mounted on power section
In, the piston rod top end of small servo electric jar is fixedly connected with piston；The back pressure cylinder is fixedly connected on small servo electric jar
Top, and sealing element is equipped between back pressure cylinder and big servo electric jar, the piston of small servo electric jar end is slidably connected to back
The inner wall of cylinder pressure；The solenoid valve IV is fixedly connected on back pressure cylinder, solenoid valve IV and solenoid valve III by pipeline with back
The inner cavity of cylinder pressure connects, and solenoid valve IV is connect by pipeline with abrasive material bucket.
Further improvement of the present invention scheme be further include pressure measuring unit, the pressure measuring unit include be fixedly connected on electricity
First pressure sensor on magnet valve VI, the second pressure sensor being fixedly connected in filtering valve block and it is fixedly connected on back pressure
Third pressure sensor on cylinder.
Further improvement of the present invention scheme be further include mixing device, mixing device includes blender and circulating pump；Institute
The motor for stating blender is fixedly connected on abrasive material bucket, and the agitating paddle for being fixed on motor output end extend into the inside of abrasive material bucket；
The circulating pump is fixedly connected on inside power section, and the inlet port and outlet port of circulating pump pass through pipeline and abrasive material bucket respectively
Connection.
Further improvement of the present invention scheme is that the supporting mechanism includes top plate and slide bar, and slide bar is symmetrically fixed to be connected
The both ends in top plate bottom are connect, the both ends of slide bar bottom are fixedly connected with bottom plate, and the connection at the both ends of slide bar and top plate and bottom plate
Place is fixedly connected with limit sleeve；The bottom plate is set to inside power section, and the lower part of bottom plate is fixedly connected with supporting leg；The cunning
The outer wall of bar slidably connects sliding sleeve, and movable plate is fixedly connected between two sliding sleeves, and movable plate is sheathed on the outer wall of pressure head, and
Movable plate is fixedly connected by upper and lower two collets with pressure head.
Further improvement of the present invention scheme is that the clamp assembly further includes cutting agency；The cutting agency includes
Second actuator, support base and mandril, the bottom plate below pedestal are equipped with notch, and support base passes through notch and is fixedly connected on pedestal
Lower section, support base are equipped with stepped throughhole, and one end of the through-hole close to pedestal is upwardly extended through pedestal into groove D；
Second actuator is fixedly connected on support base bottom, and one end of mandril is fixedly connected on the output shaft of the second actuator,
The other end is moved upward in groove C under the driving of the second actuator and contacts with workpiece bottom；The support base and pedestal connect
Mandril at conjunction is externally provided with sealing element d, and support base and pedestal joint surface are equipped with sealing element e.
Further improvement of the present invention scheme be further include pressure pad and tight cap；The pressure pad is equipped with and upper oil hole pair
Neat through-hole, and the lower surface of pressure pad is equipped with sealing element f, tight cap is fixedly connected on the bottom end of pressure head so that pressure pad upper surface and pressure
Head contact, pressure head are moved down by the driving of the first actuator so that pressure pad lower surface is contacted with workpiece.
Further improvement of the present invention scheme be further include the oil baffle being fixedly connected on pedestal.
Further improvement of the present invention scheme is that the center line of the material placing hole, pressure head and mandril is consistent.
Further improvement of the present invention scheme is that the pipeline is all made of hydraulic steel pipe.
Beneficial effects of the present invention:
One, micropore crush and grind lathe of the invention can process two micropores, when processing a workpiece on one device simultaneously
Replacement multiple devices are not needed, it is time saving and energy saving, greatly improve working efficiency.
Two, back pressure system has been added on pipeline of the present invention between solenoid valve III and abrasive material bucket, so that in the processing hole Z
When, the stationarity of oil circuit movement is increased, buffer function is played, to ensure that the port size in the hole Z, Hole Wall Roughness reach
To higher quality requirement.
Three, at work, circulating pump can realize the uninterrupted circulation of hydraulic oil to micropore crush and grind lathe of the invention, from
And prevent the clear bottom of the abrasive material in hydraulic oil；In addition, the blender hydraulic oil in continuous Ball-stirring mill charging basket on one's own time, prevents
The clear bottom of abrasive material only in hydraulic oil.
Four, the cooperation of slide bar of the invention, sliding sleeve, limit sleeve, collet allows pressure head is stable to move up and down, really
The depth of parallelism and concentricity of pressure maintaining head and workpiece.
Five, cutting agency of the invention can eject workpiece after work pieces process, not need again by other
Auxiliary tool takes out workpiece, further improves working efficiency.
Six, pressure pad of the invention is removably attachable to the bottom of pressure head, and such pressure pad is after long-time service is deformed
It is convenient for changing, without replacing entire pressure head, reduces use cost.
Seven, the oil baffle on pedestal of the present invention prevents the hydraulic oil left from trickling to operation portion after the completion of workpiece grinding
In point, the clean and tidy of working environment ensure that.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of common-rail injector valve pocket.
Fig. 2 is overall structure diagram of the invention.
Fig. 3 be Fig. 1 in A to structural schematic diagram.
Fig. 4 is oil circuit connection figure of the invention.
Fig. 5 is hydraulic schematic diagram of the invention.
Fig. 6 is fixture cross-sectional view of the invention.
Fig. 7 is the pressure head partial enlarged view in Fig. 6.
Fig. 8 is the pedestal partial enlarged view in Fig. 6.
Fig. 9 is the support base partial enlarged view in Fig. 6.
In figure: 1- rack, 2- abrasive material bucket, 3- power section, 4- operation part, the big servo electric jar of 5-, 6- material sucting cylinder, 7-
Solenoid valve VI, 8- filtering valve block, 9- filter, 10- solenoid valve I, 11- solenoid valve II, 12- solenoid valve III, 13- solenoid valve V,
The first actuator of 14-, 15- bottom plate, 16- pressure head, 17- pedestal, the hole 18-A oil inlet interface, the hole 19-Z oil inlet interface, 20- groove C,
Oil hole, 27- sealing element under 21- groove D, 22- fixture block, 23- material placing hole, 24- annular oil groove, 25- outer ring oil groove, 26-
A, the hole 28- sealing element b, 29-A oil out port, the upper oil hole of 30-, the small servo electric jar of 31- sealing element c, 32-, 33- back pressure cylinder,
34- solenoid valve IV, 35- first pressure sensor, 36- second pressure sensor, 37- third pressure sensor, 38- blender,
39- circulating pump, 40- top plate, 41- slide bar, 42- limit sleeve, 43- supporting leg, 44- sliding sleeve, 45- movable plate, 46- collet, 47- second
Actuator, 48- support base, 49- mandril, 50- sealing element d, 51- sealing element e, 52- pressure pad, the tight cap of 53-, 54- sealing element f, 55-
Oil baffle, 56- threeway I, 57- ball valve I, 58- ball valve II, 59- threeway II, 60- valve pocket, 61- valve rod, 62- block, the hole 63-A,
The hole 64-Z, 65- mesoporous, 66- transition valve block.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is furture elucidated, it should be understood that following specific embodiments are only used for
Illustrate the present invention rather than limit the scope of the invention, after the present invention has been read, those skilled in the art are to invention
The modification of various equivalent forms falls within the application range as defined in the appended claims.
Embodiment 1: as shown in Fig. 2,3,4,5,6, a kind of micropore crush and grind lathe, including rack 1, abrasive material bucket 2, suction
System, filtration system, oil plant switching system and clamp assembly；The rack 1 includes power section 3 and operation part 4, power part
Divide 3 sides that door, 4 one side opening of operation part are installed；
The suction system includes big servo electric jar 5, material sucting cylinder 6 and solenoid valve VI 7；The big servo electric jar 5 passes through branch
Frame is mounted in power section 3, and the piston rod top end of big servo electric jar 5 has been bolted to connection piston；The suction
Cylinder 6 is bolted to connection on the top of big servo electric jar 5, and is equipped between material sucting cylinder 6 and big servo electric jar 5 O-shaped
The piston of sealing ring, big 5 end of servo electric jar is slidably connected to the inner wall of material sucting cylinder 6；The solenoid valve VI 7 is solid by bolt
Surely it is connected on material sucting cylinder 6, and solenoid valve VI 7 is connect by pipeline with the inner cavity of material sucting cylinder 6；The abrasive material bucket 2 passes through bolt
It raises and is fixedly connected on inside power section 3, the bottom of abrasive material bucket 2 is fixedly connected with threeway I 56, and the both ends of threeway I 56 are fixed
It is connected with ball valve I 57 and ball valve II 58, wherein ball valve I 57 is for being discharged the oil plant in abrasive material bucket 2 periodically with simultaneously cleaning abrasives bucket
2, one end of ball valve II 58 is equipped with threeway II 59, and an interface of threeway II 59 is connect by pipeline with solenoid valve VI 7；It is described
Filtration system includes filtering valve block 8 and filter 9, wherein filtering valve block 8 is self-made components；The filtering valve block 8 is solid by bolt
Surely it is connected on the inner wall of power section 3, filter 9 is screwed onto filtering valve block 8, and is filtered valve block 8 and passed through pipeline and electromagnetism
Valve VI 7 connects；The oil plant switching system includes solenoid valve I 10, solenoid valve II 11, solenoid valve III 12, solenoid valve V 13 and mistake
Cross valve block 66；The solenoid valve I 10, solenoid valve II 11 are connect by pipeline with filtering valve block 8 respectively；The transition valve block 66 is
Self-made components, transition valve block 66 are equipped with U, V, W, X, Y five inlet and outlet, wherein communicate with V mouthfuls for U mouthfuls, and W mouthfuls, X mouthfuls and Y mouthfuls communicate,
Solenoid valve I 10 is connect by pipeline with U mouthfuls, and solenoid valve II 11 is connect by pipeline with W mouthfuls, and solenoid valve III 12 is distinguished by pipeline
It is connect with X mouthfuls, abrasive material bucket 2；The clamp assembly be set to operation part 4 inside comprising the first actuator 14, supporting mechanism,
Pressure head 16 and pedestal 17；First actuator 14 and pedestal 17 be respectively increased bolt be fixedly connected on supporting mechanism top and
The side of bottom, pedestal 17 is equipped with the hole A oil inlet interface 18 and the hole Z oil inlet interface 19, the hole A oil inlet interface 18, the hole Z oil inlet interface 19
By pipeline respectively in transition valve block 66 Y mouth, V mouthfuls connect, above pedestal 17 be equipped with groove C20, the bottom end groove C20 is equipped with
The hole groove D21, A oil inlet interface 18 and groove D21 are penetrated through；It is fixedly connected in the groove C20 by hexagon socket countersunk flat cap head screw
Fixture block 22, the perforation material placing hole 23 for placing workpiece is offered on fixture block 22, and the inner wall of material placing hole 23 is equipped with annular oil groove
24, the outer wall of fixture block 22 is equipped with the outer ring oil groove 25 concordant with the hole Z oil inlet interface 19, outer ring oil groove 25 and annular oil groove
Lower oil hole 26 is equipped between 24,22 outer wall of fixture block of about 24 annular oil groove and the inner wall of groove C20 are equipped with sealing element a27
With sealing element b28；The pressure head 16 is fixedly connected on the output shaft of the first actuator 14, and the side of 16 lower part of pressure head is equipped with A
One end of hole oil out port 29, solenoid valve V 13 is connect by pipeline with the hole A oil out port 29, and the other end passes through pipeline and abrasive material
Bucket 2 connects, and 16 lower end surface of pressure head offers the upper oil hole 30 penetrated through with the hole A oil out port 29, and sets on 16 lower end surface of pressure head
There is sealing element c31, pressure head 16 moves under the driving of the first actuator 14 so that 16 lower end surface of pressure head connects with the workpiece on fixture block 22
Touching.
Back pressure system is additionally provided on pipeline between the solenoid valve III 12 and abrasive material bucket 2, back pressure system includes small servo
Electric cylinder 32, back pressure cylinder 33 and solenoid valve IV 34；The small servo electric jar 32 is mounted in power section 3 by bracket, small
The piston rod top end of servo electric jar 32 has been bolted to connection piston；The back pressure cylinder 33 is bolted to connection
The top of small servo electric jar 32, and O-ring seal, small servo electric jar are equipped between back pressure cylinder 33 and big servo electric jar 5
The piston of 32 ends is slidably connected to the inner wall of back pressure cylinder 33；The solenoid valve IV 34 is bolted to connection in back pressure cylinder 33
On, solenoid valve IV 34 and solenoid valve III 12 are connect by pipeline with the inner cavity of back pressure cylinder 33, and solenoid valve IV 34 passes through pipe
Road is connect with abrasive material bucket 2.
It further include pressure measuring unit, the pressure measuring unit includes the first pressure sensor being fixedly connected on solenoid valve VI 7
35, the second pressure sensor 36 being fixedly connected in filtering valve block 8 and the third pressure being fixedly connected on back pressure cylinder 33 pass
Sensor 37.
It further include mixing device, mixing device includes blender 38 and circulating pump 39；The motor of the blender 38 is fixed
It is connected on abrasive material bucket 2, the inside of abrasive material bucket 2 is extend by the agitating paddle that shaft coupling is fixed on motor output end；It is described to follow
Ring pump 39 is bolted to connection inside power section 3, and another of the feed inlet of circulating pump 39 and threeway II 59
Interface connection, the discharge port of circulating pump 39 at the top of pipeline and abrasive material bucket 2 by connecting, and in the present embodiment, circulating pump 39 is thin
Membrane pump.
The supporting mechanism includes top plate 40 and slide bar 41, and slide bar 41 is symmetrically fixedly connected by hexagon socket countersunk flat cap head screw
At the both ends of 40 bottom of top plate, the both ends of 41 bottom of slide bar are fixedly connected with bottom plate 15, and slide bar by hexagon socket countersunk flat cap head screw
41 both ends and the junction of top plate 40, bottom plate 15 are fixedly connected with limit sleeve 42 by hexagon socket countersunk flat cap head screw；The bottom plate
15 are set to inside power section 3, and the lower weld of bottom plate 15 has supporting leg 43, and 43 bottom of supporting leg is bolted on power part
Divide inside 3；The outer wall of the slide bar 41 slidably connects sliding sleeve 44, is fixed between two sliding sleeves 44 by hexagon socket countersunk flat cap head screw
It is connected with movable plate 45, movable plate 45 is sheathed on the outer wall of pressure head 16, and movable plate 45 passes through upper and lower two collets 46 and pressure head
16 are fixedly connected, and upper and lower two collets 46 pass through hexagon socket countersunk flat cap head screw cross-fixing and movable plate 45 and the first actuator 14
On output shaft.
As shown in figure 9, the clamp assembly further includes cutting agency；The cutting agency includes the second actuator 47, branch
Seat 48 and mandril 49 are supportted, the bottom plate 15 of 17 lower section of pedestal is equipped with notch, and support base 48 passes through notch and passes through interior hexagonal countersunk head spiral shell
Nail is fixedly connected on 17 lower section of pedestal, and support base 48 is equipped with stepped throughhole, and one end of the through-hole close to pedestal 17 is upward
Pedestal 17 is extended through into groove D21；Second actuator 47 is fixedly connected on 48 bottom of support base, one end of mandril 49
It is fixedly connected on the output shaft of the second actuator 47, the other end is moved upward to groove under the driving of the second actuator 47
It is contacted in C20 with workpiece bottom；The mandril 49 of 17 joint of the support base 48 and pedestal is externally provided with sealing element d50, support base
48 and 17 joint surface of pedestal be equipped with sealing element e51.
It as shown in Figure 7,8, further include pressure pad 52 and tight cap 53；The pressure pad 52 is logical equipped with what is be aligned with upper oil hole 30
Hole, and the lower surface of pressure pad 52 is equipped with sealing element f54, tight cap 53 is bolted in the bottom end of pressure head 16 so that 52 upper surface of pressure pad and pressure
First 16 contact, pressure head 16 are moved down by the driving of the first actuator 14 so that 52 lower surface of pressure pad is contacted with workpiece；It further include passing through spiral shell
Bolt is fixedly connected on the oil baffle 55 on pedestal 17；The center line of the material placing hole 23, pressure head 16 and mandril 49 is consistent；This implementation
Used connecting pipe is all made of hydraulic steel pipe in example.
In the present embodiment, solenoid valve I 10, solenoid valve II 11, solenoid valve III 12, solenoid valve V 13, solenoid valve IV 34 are equal
For 2/2-way solenoid valve, model VMK-H150P NC 200B 540450；Solenoid valve VI 7 is two-bit triplet solenoid valve,
Its model VMK-H150R NC 200B 536770；The model AH190-S350-T-R20-M1-C2- of big servo electric jar 5
P2；The model AH95-S200-T-R10-M1-C2-P2 of small servo electric jar 32；9 model ZU-H10 × 100PB of filter；
First actuator 14 and the second actuator 47 are all made of cylinder, wherein the model SI-S 160 20 of the first actuator 14, second
The model ACP32-10 of actuator 47；First pressure sensor 35, second pressure sensor 36 and third pressure sensor 37
Model be M5156-000002-250BG；The model 6IK200GH-20K of 38 motor of blender；The model of membrane pump
QBY-15；The size of material sucting cylinder 6 is Φ 100(internal diameter) × 550, the size of back pressure cylinder 33 is Φ 60(internal diameter) × 400；Sealing element
A27, sealing element b28, sealing element c31, sealing element e51, sealing element f54 are all made of O-ring seal, and sealing element d50 uses UN type
Sealing ring.
The specific working principle is as follows by the present invention: as shown in Figure 1, the size in the hole A 63 of the valve pocket 60 requires 340-350ml/
The flow-rate ratio in the hole min, A 63 and the hole Z 64 is 1.04-1.06；The valve pocket 60 is placed in material placing hole 23, at this time the hole Z 64 and inner ring
Shape oil groove 24 is concordant, and 14 drive ram 16 of the first actuator moves down, and guarantees that pressure pad 52 compresses valve pocket 60, the outer diameter of sealing element f54
Size is less than the outer diameter of block 62, and the internal diameter of sealing element f54 is greater than the outer diameter ruler in the upper conical hole of block 62
Very little, to prevent the joint surface pressure release of pressure pad 52 and block 62, valve pocket 60 is given by pressure head 16 in valve pocket 60 and the joint surface of fixture block 22
The pressure of application carries out face sealing, to prevent the joint surface pressure release of valve pocket 60 Yu fixture block 22.
Before processing, machine tool electric, gas etc. all under normal circumstances, solenoid valve VI 7 it is electric, the motor of big servo electric jar 5 is anti-
Turn, makes to generate negative pressure in material sucting cylinder 6, the liquid abrasive material in abrasive material bucket 2 is sucked；When the piston of material sucting cylinder 6 is moved to lower dead center
When, the motor of big servo electric jar 5 stops working, and suction is completed, and solenoid valve VI 7 powers off；Solenoid valve I 10, solenoid valve II 11, electricity
Magnet valve V 13 obtains electric opening；The motor rotating forward of big servo electric jar 5 quickly propels piston, and input pressure rapidly rises to 11MPa
Left and right, first pressure sensor 35, second pressure sensor 36 give the motor signal of big servo electric jar 5, then big servo electricity
The revolving speed (namely according to the traffic requirement of setting) that the motor of dynamic cylinder 5 is kept constant processes the hole A 63；With hole machined
Become larger, when pressure drops to the 10MPa of setting, the hole A 63 is completed the process；Solenoid valve II 11, solenoid valve V 13 power off, solenoid valve I
10, solenoid valve III 12 obtains electric opening, processes to the hole Z 64；The motor rotating forward of big servo electric jar 5 quickly propels piston, liquid
Body abrasive material pressure rapidly rises to 11MPa or so, and the revolving speed that then motor is kept constant (namely passes through the practical stream in the hole A 63
Amount and flow-rate ratio calculate the flow in the hole Z 64 in real time) hole Z 64 is processed；60 mesoporous of oil outlet, that is, valve pocket in the hole Z 64 simultaneously
Oil pressure meeting rapid increase, the motor reversal of small servo electric jar 32, which concedes volume, reduces pressure；Pass through third pressure sensor 37
Guarantee mesoporous oil pressure cntrol in stable 6MPa(error 0.1MPa to the motor signal of small servo electric jar 32)；When aperture becomes
Big input pressure stops processing when being reduced to the 10MPa of setting, solenoid valve I 10, solenoid valve III 12 power off, and valve is closed；Solenoid valve IV
34 open, and abrasive material is shifted onto abrasive material bucket 2 in the positive handle back pressure cylinder 33 of the motor of small servo electric jar 32, when the piston in small cylinder moves
When moving top dead centre, the motor of small servo electric jar 32 stops working, and solenoid valve IV 34 powers off, process finishing.
After process finishing, the first actuator 14 is retracted, and due to the squeezing action of pressure head 16, valve pocket 60 and collet are generated and glued
Even, the second actuator 47 stretches out, and mandril 49 ejects valve pocket 60 from collet, removes valve pocket 60；Blender 38 is in non-work
Make the hydraulic oil in time continuous Ball-stirring mill charging basket 2, prevents the clear bottom of the abrasive material in hydraulic oil.
Claims (10)
1. a kind of micropore crush and grind lathe, it is characterised in that: including rack (1), abrasive material bucket (2), suction system, filtering system
System, oil plant switching system and clamp assembly；
The rack (1) includes power section (3) and operation part (4), and power section (3) side is equipped with door, operation part
(4) one side openings；
The suction system includes big servo electric jar (5), material sucting cylinder (6) and solenoid valve VI (7)；The big servo electric jar
(5) it is mounted in power section (3), the piston rod top end of big servo electric jar (5) is fixedly connected with piston；The material sucting cylinder
(6) it is fixedly connected on the top of big servo electric jar (5), and is equipped with sealing between material sucting cylinder (6) and big servo electric jar (5)
The piston of part, big servo electric jar (5) end is slidably connected to the inner wall of material sucting cylinder (6)；The solenoid valve VI (7) is fixedly connected
In on material sucting cylinder (6), and solenoid valve VI (7) is connect by pipeline with the inner cavity of material sucting cylinder (6)；
It is internal that the abrasive material bucket (2) is fixedly connected on power section (3), and abrasive material bucket (2) is connected by pipeline and solenoid valve VI (7)
It connects；
The filtration system includes filtering valve block (8) and filter (9)；The filtering valve block (8) is fixedly connected on power section
(3) on inner wall, filter (9) is fixedly connected in filtering valve block (8), and is filtered valve block (8) and passed through pipeline and solenoid valve VI
(7) it connects；
The oil plant switching system include solenoid valve I (10), solenoid valve II (11), solenoid valve III (12), solenoid valve V (13) and
Transition valve block (66)；The solenoid valve I (10), solenoid valve II (11) are connect by pipeline with filtering valve block (8) respectively；The mistake
Valve block (66) are crossed equipped with U, V, W, X, Y five inlet and outlet, are wherein communicated with V mouthfuls for U mouthfuls, W mouthfuls, X mouthfuls and Y mouthfuls communicate, solenoid valve I
(10) it is connect by pipeline with U mouthfuls, solenoid valve II (11) is connect by pipeline with W mouthfuls, and solenoid valve III (12) is distinguished by pipeline
It is connect with X mouthfuls, abrasive material bucket (2)；
It is internal that the clamp assembly is set to operation part (4) comprising the first actuator (14), supporting mechanism, pressure head (16) and
Pedestal (17)；First actuator (14) and pedestal (17) are respectively fixedly connected in the top and bottom of supporting mechanism, pedestal
(17) side is equipped with the hole A oil inlet interface (18) and the hole Z oil inlet interface (19), the hole A oil inlet interface (18), the hole Z oil inlet interface
(19) by pipeline respectively on transition valve block (66) Y mouth, V mouthful connect, pedestal (17) top is equipped with groove C(20), groove C
(20) bottom end is equipped with groove D(21), the hole A oil inlet interface (18) and groove D(21) perforation；The groove C(20) in be fixedly connected
Have fixture block (22), the perforation material placing hole (23) for placing workpiece is offered on fixture block (22), the inner wall of material placing hole (23) is equipped with
The outer wall of annular oil groove (24), fixture block (22) is equipped with the outer ring oil groove (25) concordant with the hole Z oil inlet interface (19), outer ring
Lower oil hole (26) are equipped between oil groove (25) and annular oil groove (24), fixture block (22) outer wall of annular oil groove (24) up and down
Sealing element a(27 is equipped with the inner wall of groove C(20)) and sealing element b(28)；The pressure head (16) is fixedly connected on the first driving
On the output shaft of part (14), the side of pressure head (16) lower part is equipped with the hole A oil out port (29), and one end of solenoid valve V (13) passes through
Pipeline is connect with the hole A oil out port (29), and the other end is connect by pipeline with abrasive material bucket (2), and pressure head (16) lower end surface offers
The upper oil hole (30) penetrated through with the hole A oil out port (29), and pressure head (16) lower end surface is equipped with sealing element c(31), pressure head
(16) the first actuator (14) driving under movement so that pressure head (16) lower end surface is contacted with the workpiece on fixture block (22).
2. a kind of micropore crush and grind lathe as described in claim 1, it is characterised in that: the solenoid valve III (12) and abrasive material
It is additionally provided with back pressure system on pipeline between bucket (2), back pressure system includes small servo electric jar (32), back pressure cylinder (33) and electromagnetism
Valve IV (34)；The small servo electric jar (32) is mounted in power section (3), the piston rod top end of small servo electric jar (32)
It is fixedly connected with piston；The back pressure cylinder (33) is fixedly connected on the top of small servo electric jar (32), and back pressure cylinder (33) with
It is equipped with sealing element between big servo electric jar (5), the piston of small servo electric jar (32) end is slidably connected to back pressure cylinder (33)
Inner wall；The solenoid valve IV (34) is fixedly connected on back pressure cylinder (33), and solenoid valve IV (34) and solenoid valve III (12) are logical
Piping is connect with the inner cavity of back pressure cylinder (33), and solenoid valve IV (34) is connect by pipeline with abrasive material bucket (2).
3. a kind of micropore crush and grind lathe as claimed in claim 2, it is characterised in that: it further include pressure measuring unit, the survey
Pressure device includes the first pressure sensor (35) being fixedly connected on solenoid valve VI (7), is fixedly connected in filtering valve block (8)
Second pressure sensor (36) and the third pressure sensor (37) that is fixedly connected on back pressure cylinder (33).
4. a kind of micropore crush and grind lathe as claimed in claim 3, it is characterised in that: further include mixing device, mixing dress
It sets including blender (38) and circulating pump (39)；The motor of the blender (38) is fixedly connected on abrasive material bucket (2), is fixed on
The agitating paddle of motor output end extend into the inside of abrasive material bucket (2)；The circulating pump (39) is fixedly connected in power section (3)
Portion, and the inlet port and outlet port of circulating pump (39) pass through pipeline respectively and connect with abrasive material bucket (2).
5. a kind of micropore crush and grind lathe as described in claim 1, it is characterised in that: the supporting mechanism includes top plate
(40) and slide bar (41), slide bar (41) are symmetrically fixedly connected on the both ends of top plate (40) bottom, the both ends of slide bar (41) bottom
It is fixedly connected with bottom plate (15), and the junction of the both ends of slide bar (41) and top plate (40), bottom plate (15) is fixedly connected with limit
It covers (42)；It is internal that the bottom plate (15) is set to power section (3), and the lower part of bottom plate (15) is fixedly connected with supporting leg (43)；Institute
The outer wall for stating slide bar (41) slidably connects sliding sleeve (44), is fixedly connected with movable plate (45) between two sliding sleeves (44), mobile
Plate (45) is sheathed on the outer wall of pressure head (16), and movable plate (45) connects by the way that upper and lower two collets (46) and pressure head (16) are fixed
It connects.
6. a kind of micropore crush and grind lathe as claimed in claim 5, it is characterised in that: the clamp assembly further includes blanking
Mechanism；The cutting agency includes the second actuator (47), support base (48) and mandril (49), the bottom plate below pedestal (17)
(15) it is equipped with notch, support base (48) passes through notch and is fixedly connected below pedestal (17), and support base (48) is equipped with ladder
Shape through-hole, one end of the through-hole close to pedestal (17) are upwardly extended through pedestal (17) into groove D(21)；Described second drives
Moving part (47) is fixedly connected on support base (48) bottom, and one end of mandril (49) is fixedly connected on the output of the second actuator (47)
On axis, the other end is moved upward to groove C(20 under the driving of the second actuator (47)) in contacted with workpiece bottom；The branch
The mandril (49) of support seat (48) and pedestal (17) joint is externally provided with sealing element d(50), support base (48) and pedestal (17) engagement
Face is equipped with sealing element e(51).
7. a kind of micropore crush and grind lathe as claimed in claim 6, it is characterised in that: further include pressure pad (52) and tight cap
(53)；The pressure pad (52) is equipped with the through-hole being aligned with upper oil hole (30), and the lower surface of pressure pad (52) is equipped with sealing element f
(54), tight cap (53) is fixedly connected on the bottom end of pressure head (16) so that pressure pad (52) upper surface is contacted with pressure head (16), pressure head
(16) it is moved down by the first actuator (14) driving so that pressure pad (52) lower surface is contacted with workpiece.
8. a kind of micropore crush and grind lathe as claimed in claim 7, it is characterised in that: further include being fixedly connected on pedestal
(17) oil baffle (55) on.
9. a kind of micropore crush and grind lathe as claimed in claim 8, it is characterised in that: the material placing hole (23), pressure head
(16) and the center line of mandril (49) is consistent.
10. a kind of micropore crush and grind lathe as described in any one of claim 2-4, it is characterised in that: the pipeline is equal
Using hydraulic steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910177428.6A CN109732468B (en) | 2019-03-09 | 2019-03-09 | Micropore extrusion grinding machine tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910177428.6A CN109732468B (en) | 2019-03-09 | 2019-03-09 | Micropore extrusion grinding machine tool |
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| Publication Number | Publication Date |
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| CN109732468A true CN109732468A (en) | 2019-05-10 |
| CN109732468B CN109732468B (en) | 2023-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910177428.6A Active CN109732468B (en) | 2019-03-09 | 2019-03-09 | Micropore extrusion grinding machine tool |
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| Country | Link |
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Cited By (2)
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| CN110587467A (en) * | 2019-10-09 | 2019-12-20 | 无锡威孚马山油泵油嘴有限公司 | Plunger bushing abrasive particle oil flow hole deburring device |
| CN115781492A (en) * | 2023-02-06 | 2023-03-14 | 常州纺兴精密机械有限公司 | Polishing equipment and method for spinneret orifice of medical melt-blown fabric spinneret plate |
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| Publication number | Publication date |
|---|---|
| CN109732468B (en) | 2023-08-18 |
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