CN207695795U - Cylindrical inner wall micro-structure air film shields circumference array pipe electrode jet stream electrolytic machining device - Google Patents
Cylindrical inner wall micro-structure air film shields circumference array pipe electrode jet stream electrolytic machining device Download PDFInfo
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- CN207695795U CN207695795U CN201721444060.8U CN201721444060U CN207695795U CN 207695795 U CN207695795 U CN 207695795U CN 201721444060 U CN201721444060 U CN 201721444060U CN 207695795 U CN207695795 U CN 207695795U
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- 238000003754 machining Methods 0.000 title claims abstract description 15
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- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 239000010963 304 stainless steel Substances 0.000 claims description 6
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 claims description 6
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Abstract
A kind of cylindrical inner wall micro-structure air film shielding circumference array pipe electrode jet stream electrolytic machining device, including platen, clamp plate, clamp body, feed and retract control device, nozzle and tool-electrode, the platen is vertically arranged and on smooth table top, the clamp body is mounted on by clamp plate on platen, the feed and retract control device are mounted in clamp body, the nozzle is mounted in feed and retract control device, and the tool-electrode is mounted on nozzle.The utility model provides a kind of cylindrical inner wall micro-structure air film shielding circumference array pipe electrode jet stream electrochemical machining method and device, can improve stability, precision and the efficiency of jet stream Electrolyzed Processing cylindrical inner wall aperture to a certain extent.
Description
Technical field
The utility model belongs to low-voltage, high electrolyte flow rate jet stream technical field of electrolysis processing more particularly to a kind of circle
Column wall micro-structure air film shields circumference array pipe electrode jet stream electrolytic machining device.
Background technology
Under the micromation and accurate trend of current Structure of Mechanical Parts, the surfaces such as micro hole, pit matrix and fine slot
Texture can effectively improve the performances such as the high temperature resistant of part, rub resistance, corrosion-resistant, be therefore widely used in aviation, electronics, vapour
The cylindric part application of the industrial circles such as vehicle, especially inner wall with the micro- texture of matrix is further extensive.Because of cylindrical inner wall space
The problems such as limited, visualization is difficult, and processing gap is difficult to control, machining accuracy and low efficiency, the micro- texture of cylindrical inner wall has at present
It is less to imitate processing method.
Jet stream Electrolyzed Processing is one kind of electrical-chemistry method technology, and process principle is anode (M-ne-→Mn+) dissolve, is cloudy
Pole (2H++2e-→H2↑) hydrogen is precipitated.In process, the high-voltage electrolyte sprayed from nozzle is ejected on workpiece, while
Redox reaction occurs for tool-electrode and the indirect circuit passband of workpiece, two interpolars, and anodic solution obtains required cell morphology at this time.
Compared with tradition machinery is processed, the cathode in jet stream Electrolyzed Processing as " cutter " is not contacted with anode metal workpiece, because
This is without the concern for workpiece hardness.
Currently, tool-electrode used by electrochemical micromachining is mostly micron order columnar electrode, this columnar electrode is used for
When micro hole on processing face profile can by visualization to knife come when controlling processing gap, but process the micro- texture of cylindrical inner wall
It is difficult to ensure fixed processing gap because being limited by space, and the micro hole of machine-shaping does not have preferable uniformity and localization
Property, in addition, the shortcomings of columnar electrode easily touches knife, bending, therefore with certain limitation when processing inner wall curved surface.Together
When, the preparation of traditional columnar electrode and size Control occupy a large amount of time in the processing of electrochemistry jet stream, especially in array junctions
In structure processing, single electrode positioned in sequence processing array hole is difficult to ensure the consistency in processing gap, and is easy to cause machine-shaping
Micro- texture shape it is uneven.How to realize it is a kind of efficiently, high-precision, the micro- texture of array of low cost stablize processing has seemed ten
Divide urgent and important theory.
Invention content
In order to overcome the shortcomings of the prior art, the utility model to provide a kind of cylindrical inner wall micro-structure air film shielding
Circumference array pipe electrode jet stream electrolytic machining device can improve jet stream Electrolyzed Processing cylindrical inner wall aperture to a certain extent
Stability, precision and efficiency.
Technical solution adopted by the utility model to solve its technical problems is：
A kind of cylindrical inner wall micro-structure air film shielding circumference array pipe electrode jet stream electrolysis unit, including platen,
Clamp plate, clamp body, feed and retract control device, nozzle and tool-electrode, the platen are vertically arranged and install
On smooth table top, the clamp body is mounted on by clamp plate on platen, the feed and retract control device peace
In clamp body, the nozzle is mounted in feed and retract control device, and the tool-electrode is mounted on nozzle；
The clamp body includes tube and clamp body baffle, the tube lateral arrangement, and its rear end is fixed on folder
On body plate, the front end of the tube is extend into cylindrical workpiece, and the front of the tube offers T-type card slot along wall surface,
The T-type card slot is being connected to the T-type card of tube forward end at its bottom equipped with convex block, the clamp body baffle
In slot；
The feed and retract control device include motor, shaft coupling, rear baffle, round platform card body, sliding block, leading screw, circle
Guide rail and front apron, the motor are mounted on shaft coupling shell, and the shaft coupling shell is mounted on rear baffle, are kept off after described
Plate is fixedly mounted on clamp plate, and the front apron is fixed with clamp body baffle, and the round platform card body is that the big front end in rear end is small
Trapezoidal round platform and be equipped with the tapped through hole that coordinate with leading screw along central axes, the leading screw across round platform card body tapped through hole,
And its rear and front end is rotatably mounted on front apron and rear baffle respectively, the rear and front end of the circular guideway is fixed respectively
On front apron and rear baffle, the round platform card body is capable of sliding back and forth to be mounted on circular guideway, and the power of the motor is defeated
Shaft is connect by shaft coupling with leading screw；The skew wall face of the round platform card body has been provided in the axial direction with arc-shaped slot, the arc
The cross section of card slot is T-type；One sliding block is installed, the bottom of the sliding block is to be matched with arc-shaped slot in each arc-shaped slot
Cambered surface, the rear portion of the sliding block is respectively arranged on the left side and the right side the groove coordinated with the convex block of T-type card slot；The round platform card
Body is located in the tube of the clamp body, and the sliding block is stretched out out of T-type card slot and the convex of groove thereon and T-type card slot
Block formation slides up and down pair；
The rear and front end of the nozzle is fixed on by hex screw on sliding block respectively, on the upper surface of the nozzle after
It is equipped with liquid boss, gas lands and double-U-shaped slot successively forward, the feed liquor being connect with electrolytic bath is equipped in the liquid boss
Mouthful, the air inlet being connect with air compressor is equipped in the gas lands；Liquid confluence chamber and gas are equipped in the nozzle
Converge chamber, and the gas confluence chamber is located at the top of liquid confluence chamber and is equipped with interlayer between the two, and the inlet is logical
It crosses electrolyte and flows into channel and the liquid confluence chamber and be connected to, the air inlet passes through gas stream stand in channel and gas confluence
Chamber is connected to；It is equipped with interlayer through-hole along interlayer section normal direction, in the top of gas confluence chamber along gas confluence chamber section
Normal direction is equipped with gas and flows out through-hole, and the gas outflow through-hole is corresponded with interlayer through-hole and coaxially arranged, the work
Tool electrode sequentially passes through double-U-shaped slot, gas outflow through-hole, gas confluence chamber, interlayer through-hole and extend into liquid confluence from top to bottom
Intracavitary, the tool-electrode and the seamless tight fit of interlayer through-hole, while coordinating with gas outflow via clearance；
The liquid confluence chamber is connected to the electrode inlet of tool-electrode, electrode liquid outlet and the cylinder work of tool-electrode
Certain processing gap is equipped between part inner wall, the gas outflow through-hole is connected to gas confluence chamber；
The hex screw of nozzle and sliding block is connected by wire connecting power cathode, cylindrical workpiece connects positive pole.
Further, the motor is equipped with the adjusting nut and control unit interface that adjust manually, the control unit interface with
Controller connects.
Further, there are three the T-type card slot settings, three T-type card slots are arranged for 120 degree radially at the front along tube,
There are three arc-shaped slot settings, three arc-shaped slots be equidistantly spaced from and with three T-type cards in the tube of clamp body
Slot corresponds.
Further, the tool-electrode is linear array hollow edged electrode, and the interlayer through-hole, gas outflow through-hole are
Linear array through-hole.
Further, the tool-electrode uses 304 stainless-steel pipes that spark cutting is processed into, and two-port passes through
Overground skiving is flat；The outer diameter of 304 stainless-steel pipe is 500 μm, and internal diameter is 300 μm.
Further, the platen is equipped with card slot along left and right directions, and the clamp plate is to be open towards lathe
The rear end of the U-shaped part of workbench, the clamp plate is connected in the card slot of platen.
Further, the liquid outlet of the nozzle is circle, and as the electrode liquid outlet of hollow edged electrode, the nozzle go out
Gas port is round table-like and jacketed electrode liquid outlet.
Further, the parallel cloth of axially bored line of the interlayer through-bore axis, gas outflow through-bore axis, hollow edged electrode
It sets, and the hole of each hollow edged electrode and corresponding interlayer through-hole, gas outflow through-hole coaxial arrangement.
Further, the linear array hollow edged electrode is arranged as 1 × 5.
The main advantageous effect of the utility model is：
Add 1. the utility model focuses tens to hundreds of microns wide, the deep several array microstructures to tens microns of cylindrical inner wall
Work manufactures, and is processed for cylindrical inner wall using air film shielding principle, i.e., in one layer of air film of hollow edged electrode liquid outlet outer cladding
Method the spray regime of electrolyte is limited, control electricity more concentrate on pipe electrode face certain material carry out
Ablation improves processing locality, causes micro- texture diameter and depth to reduce, aspect ratio increases, and improves jet stream Electrolyzed Processing
Machining accuracy in range scale in the micron-scale；
2. the utility model processes cylindrical inner wall using 3 × 5 circumference array pipe electrodes, add with single tube electrode positioned in sequence
Work array hole is compared, and the present apparatus greatly improves pipe electrode jet stream Electrolyzed Processing and imitated to the processing of the small hole machined of cylindrical inner wall
Rate；Circumference array hollow edged electrode is applied in cylindrical inner wall aperture Electrolyzed Processing simultaneously, is on the one hand reduced in process
In fine columnar electrode touch the possibility of knife and bending；On the other hand the uniformity and one in cylindrical inner wall pit matrix hole is improved
Cause property is, it can be achieved that a kind of micro- texture of array efficiently, in high precision, inexpensive stablizes processing unit (plant)；
3. clamp body in the utility model is radially set in every 120 degree of wall surfaces, there are three T-type card slot, on the one hand convenient, essences
Accurate to coordinate with sliding block, constraint sliding block is axially moved degree of freedom, ensures that sliding block diametrically reciprocates in card slot；On the other hand it protects
Card circumference array pipe electrode is spatially uniformly distributed, make the amount of feeding of three direction top electrodes and withdrawing measurer have uniformity and
Consistency；
4. be provided with coordination electrode feeding and tool retracting device in clamp body, set that there are three the circles of circumference array to lead on device
Rail, on the one hand increases the stability of structure, and the mode of another aspect circular scrolling can reduce the friction of guide rail and round platform card body
Power.Arc-shaped slot on round platform wall surface facilitates sliding block to be retracted by thrust propulsion and extruding, passes through motor and rotates drive leading screw rotation
It slides axially with round platform card body and then sliding block and nozzle is made to make radial reciprocating movement (withdrawing and feed), the amount of feeding of motor control
Processing gap can be adjusted to improve machining accuracy with withdrawing amount.The cooperation of nozzle and sliding block be it is removable and facilitate inspection and more
Change invalid electrode.
Description of the drawings
Fig. 1 is the utility model general structure schematic diagram.
Fig. 2 is the structural schematic diagram of the utility model clamp body.
Fig. 3 is the structural schematic diagram of feed and retract control device.
Fig. 4 is round platform card body lateral cross structural schematic diagram.
Fig. 5 is nozzle and sliding block assembling structure schematic diagram.
Fig. 6 is nozzle, electrode and cylindrical workpiece installation diagram.
Fig. 7 is electrode liquid outlet enlarged partial cross-sectional schematic diagram.
Fig. 8 is the structural schematic diagram of nozzle.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.
Referring to Fig.1~Fig. 8, a kind of cylindrical inner wall micro-structure air film shielding circumference array pipe electrode jet stream Electrolyzed Processing dress
It sets, including platen 4, clamp plate 3, clamp body 7, feed and retract control device, nozzle 2 and tool-electrode 26, it is described
Platen 4 is vertically arranged and on smooth table top, and the clamp body 7 is mounted on platen 4 by clamp plate 3
On, the feed and retract control device are mounted in clamp body 7, and the nozzle 2 is mounted in feed and retract control device,
The tool-electrode 26 is mounted on nozzle 2；
The clamp body 7 includes tube and clamp body baffle 8, the tube lateral arrangement, and its rear end is fixed on
On clamp plate 3, the front end of the tube is extend into cylindrical workpiece 1, and the front of the tube offers T-type card along wall surface
Slot 10, the T-type card slot 10 are being connected to tube front end end at its bottom equipped with convex block, the clamp body baffle 8
In the T-type card slot in portion；
The feed and retract control device include motor 19, shaft coupling, rear baffle 17, round platform card body 16, sliding block 6, silk
Thick stick 13, circular guideway 12 and front apron 14, the motor 19 are mounted on shaft coupling shell 18, and the shaft coupling shell 18 is installed
On rear baffle 17, the rear baffle 17 is fixedly mounted on clamp plate 3, and the front apron 14 is fixed with clamp body baffle 8, institute
Round platform card body 16 is stated to be the small trapezoidal round platform in the big front end in rear end and be equipped with the tapped through hole coordinated with leading screw 13, institute along central axes
The tapped through hole that leading screw 13 passes through round platform card body 16 is stated, and its rear and front end is rotatably mounted on front apron 14 and rear gear respectively
On plate 17, the rear and front end of the circular guideway 12 is separately fixed on front apron 14 and rear baffle 17, the round platform card body 16
Capable of sliding back and forth to be mounted on circular guideway 12, the power output shaft of the motor 19 is connect by shaft coupling with leading screw 13；
The skew wall face of the round platform card body 16 has been provided in the axial direction with arc-shaped slot 23, and the cross section of the arc-shaped slot 23 is T-type；Often
One sliding block 6 is installed, the bottom of the sliding block 6 is and 23 matched cambered surface of arc-shaped slot, the cunning in a arc-shaped slot 23
The rear portion of block 6 is respectively arranged on the left side and the right side the groove 31 coordinated with the convex block of T-type card slot 10；The round platform card body 16 is located at
In the tube of the clamp body 7, the groove 31 of the sliding block 6 from the interior stretching of T-type card slot 10 and thereon is convex with T-type card slot 10
The formation of shape block slides up and down pair；
The rear and front end of the nozzle 2 is fixed on by hex screw 30 on sliding block 6 respectively, the upper surface of the nozzle 2
On be equipped with liquid boss 29, gas lands 28 and double-U-shaped slot 27 successively from back to front, be equipped in the liquid boss 29 and electrolysis
The inlet 37 of liquid bath connection, the gas lands 28 are interior to be equipped with the air inlet 36 being connect with air compressor；In the nozzle 2
Equipped with liquid confluence chamber 41 and gas confluence chamber 42, the gas confluence chamber 42 is located at the top and two of liquid confluence chamber 41
Interlayer is equipped between person, the inlet 37 flows into channel 40 and the liquid confluence chamber 41 by electrolyte and is connected to, it is described into
Gas port 36 is connected to by gas stream stand in channel 39 with gas confluence chamber 42；It is equipped with interlayer along interlayer section normal direction
Through-hole 43 is equipped with gas along gas confluence chamber section normal direction in the top of gas confluence chamber 42 and flows out through-hole 35, the gas
Body flows out through-hole 35 and interlayer through-hole 43 and corresponds and coaxially arranged, and the tool-electrode 26 sequentially passes through couple U from top to bottom
Type groove 27, gas outflow through-hole 35, gas confluence chamber 42, interlayer through-hole 43 are extend into liquid confluence chamber 41, the tool electricity
Pole 26 and the 43 seamless tight fit of interlayer through-hole, while flowing out 35 clearance fit of through-hole with gas；
The liquid confluence chamber 41 is connected to the electrode inlet 34 of tool-electrode 26, the electrode liquid outlet 32 of tool-electrode
Certain processing gap is equipped between cylindrical workpiece inner wall, the gas outflow through-hole 35 connects with gas confluence chamber 42
It is logical；
The hex screw 30 of nozzle 2 and sliding block 6 is connected by wire connecting power cathode, cylindrical workpiece 1 is connecting power supply just
Pole.
Further, the motor 19 is equipped with the adjusting nut 20 adjusted manually and control unit interface 21, the controller
Interface 21 is connect with controller.
Further, there are three the T-type card slot 10 settings, three T-type card slots are along tube 120 degree of cloth radially at the front
Set, the arc-shaped slot 23 setting there are three, three arc-shaped slots be equidistantly spaced from and with three in the tube of clamp body 7
T-type card slot corresponds.
Further, the tool-electrode 26 is linear array hollow edged electrode, and the interlayer through-hole 43, gas flow out through-hole
35 be linear array through-hole.
Further, 304 stainless-steel pipes that the tool-electrode 26 is processed into using spark cutting, and two-port
It is polished by grinding；The outer diameter of 304 stainless-steel pipe is 500 μm, and internal diameter is 300 μm.
Further, the platen 4 is equipped with card slot 5 along left and right directions, and the clamp plate 3 is to be open towards machine
The U-shaped part of bed workbench 4, the rear end of the clamp plate 3 is connected in the card slot 5 of platen 4.
Further, the liquid outlet of the nozzle 2 is round, as the electrode liquid outlet of hollow edged electrode, the nozzle 2
Gas outlet is round table-like and jacketed electrode liquid outlet.
Further, the parallel cloth of axially bored line of the interlayer through-bore axis, gas outflow through-bore axis, hollow edged electrode
It sets, and the hole of each hollow edged electrode and corresponding interlayer through-hole, gas outflow through-hole coaxial arrangement.
Further, the linear array hollow edged electrode is arranged as 1 × 5.
As shown in Figure 1, the platen 4 is mounted on smooth table top, card slot 5 is equipped in the platen 4,
The clamp plate 3 is fixed with the card slot 5 in the platen 4 with hex head screw, the clamp plate 3 and the folder
Specific 7 bottom is all provided with there are four threaded hole, and two row threaded holes are connected by hex head screw.
As shown in Fig. 2, the rear portion of the clamp body 7 is a plate-like, and is equipped with clamp body threaded hole 11, for installing
On clamp plate 3, front is a circular tube shaped, and top radially sets that there are three T-type card slot 10, T-type card slots in every 120 degree of wall surfaces
Wall surface be plane and be an only prismatic pair structure, a convex block arranged at T-type card slot bottom, and convex block is convenient, accurate
Coordinate with sliding block, constraint sliding block is axially moved degree of freedom, ensures that sliding block diametrically reciprocates in card slot；Another aspect circumference
Three T-type card slots of array can guarantee that pipe electrode is spatially circularly and evenly distributed, make three direction top shoes and electrode into
There are a uniformity and consistency to amount and withdrawing measurer, there are four the threaded hole 9 of circumference array, screw threads on the clamp body baffle 8
Hole is fitted close by hexagon-headed bolt and the front apron 14 and is fixed.The front apron 14 and the clamp body baffle 8 pass through spiral shell
Pit and hexagon-headed bolt closely connect, and thus the front apron 14 and the clamp body 7 are connected and fixed.
As seen in figures 3-5, the feed and retract control device include motor 19, shaft coupling shell 18, bearing 15, after
Baffle 17, front apron 14, round platform card body 16, sliding block 6, leading screw 13 and circular guideway 12.The motor 19 is equipped with adjusting nut
20 and control unit interface 21, it can be by adjusting nut or by controller rotates come regulation motor described in control
13 rotating speed of leading screw.The motor 19 connects the shaft coupling shell 18, shaft coupling be mounted in the shaft coupling shell 18 and with
Motor 19 connects so as to speed change, and the rear baffle 17 connects the shaft coupling shell 18, and bearing is mounted in the rear baffle 17,
There are four threaded holes on the rear baffle 17, convenient to connect and fix with the clamp plate 3.The leading screw 13 is cooperation described
In bearing 15, there are one the tapped through holes 22 coordinated with the leading screw 13 on 16 axis of round platform card body, and outside axis
Direction is enclosed there are three circumference array through-hole 24, and the round platform card body 16 is equipped with arc-shaped slot, the cunning along skew wall line direction
The bottom of block 6 is set there are one sliding block cambered surface 25 identical with arc-shaped slot gradient, 23 energy of arc-shaped slot on round platform card body 16
Merge with better the matching of sliding block cambered surface 25 and make sliding motion relatively, arc-shaped slot 23 makes the sliding block 6 be promoted and be squeezed by thrust
Pressure retracts, and the rear side of the sliding block 6 is equipped with two grooves 31 in left and right, and the sliding block 6 is mounted in clamp body 7 and confinement groove 31
Width and T-type card slot 10 convex block it is of same size, can ensure that sliding block 6 can only make radial motion in clamp body 7 in this way,
The amount of feeding of each revolution of electrode of leading screw can be accurately calculated according to the gradient of round platform card body 16 and the parameter of leading screw 13 and is moved back
Knife amount, the amount of feeding and withdrawing amount of motor control can improve machining accuracy.The circular guideway 12 of three circumference array is
Three through-holes 24 and both ends are fixed on the rear baffle 17 and the front apron 14, a side in the round platform card body 16
Face can increase the stability of structure, and the mode of another aspect circular scrolling can reduce the friction of guide rail and round platform card body 16
Power.The front apron 14 is fitted close with the clamp body baffle 8 by threaded hole and hexagon-headed bolt and is fixed.
As can be seen from figures 6 to 8, the nozzle 2 is a convex metal material object, and top is arc, and the nozzle 2 is left
Respectively there are one tapped through hole 38, centre is liquid boss 29, gas lands 28 and double-U-shaped slot 27 successively, described double-U-shaped at right both ends
Slot 27 is that nozzle top cambered surface is opened along liquid outlet axis direction.Liquid boss 29 on the nozzle 2 and gas lands 28
Interior to be equipped with round inlet and air inlet, the inlet 37 connects electrolytic bath by liquid supply pipe, is set at the air inlet 36
It is equipped with air supply pipe, the external air compressor of air supply pipe, the inlet 37 flows into channel 40 by electrolyte and is communicated to the liquid
Body confluence chamber 41, the air inlet 36 are communicated to the gas confluence chamber 42, the liquid confluence by gas stream stand in channel 39
There is a layer interlayer among chamber 41 and gas confluence chamber 42, the interlayer of 1 × 5 linear array is equipped with along interlayer section normal direction
Through-hole 43, the gas that 1 × 5 linear array is equipped with along gas confluence 42 section normal direction of chamber flow out through-hole 35, and two
Group through-hole coaxially corresponds.The inlet 37, air inlet 36, interlayer through-hole 43, gas outflow through-hole 35, hollow edged electrode hole
Axis ensure it is parallel, and interlayer through-hole 43, hollow edged electrode hole can coaxial seamless cooperation, can ensure electrolyte not in this way
It can overflow from there.Gas flows out through-hole and is more than pipe electrode outer diameter, ensures gas through coordinating gap outflow.The liquid confluence chamber
It is connected to 1 × 5 pipe electrode inlet, the gas confluence chamber is connected to 1 × 5 gas flow pass.The hollow edged electrode 6
Upper end sequentially pass through from bottom to top liquid confluence chamber 41, interlayer through-hole 43, gas confluence chamber 42 and gas outflow through-hole 35.Pipe
The lower end of electrode need not excessively extend into liquid confluence intracavitary, need to only ensure that be electrolysed liquid energy is uniformly flowed into pipe through liquid confluence chamber
Electrode inlet.Metal gasket 33, the nozzle 2 and the cunning are equipped between the hex screw 30 and the nozzle 2
Block 17 is fitted close by the hex screw 30 and metal gasket 33, and the hex screw 30 passes through the negative of wire connecting power
Pole.
Linear array hollow edged electrode on single nozzle is arranged as 1 × 5, i.e. single nozzle liquid outlet is 1 × 5.Three nozzles
Circumferentially array-like is arranged, i.e., this device liquid outlet is 3 × 5.
Interlayer through-hole and pipe electrode outer diameter are equal in magnitude, and epoxy resin gluing is used after pipe electrode and interlayer through-hole coaxial cooperation
Patch ensures the seamless cooperation of the two.Gas flows out through-hole and is more than pipe electrode outer diameter, ensures gas through coordinating gap outflow.
Electrolyte uses the NaNO of certain mass solubility3Solution or NaCl solution.
The Electrolyzed Processing specific method of the utility model is：
Power cathode, and hex head screw 30 and 3 × 5 linear array hollow edged electrodes are connected by hex screw on device 30
It is connected by metal gasket 33 and nozzle 2, cylindrical workpiece 1 connects the anode of power supply, and electrolyte is passed through through liquid supply pipe by inlet 37
It crosses electrolyte and flows into channel 40 influent confluence chamber 41, be then uniformly distributed to the electrode inlet of each hollow edged electrode
34, it is ejected on cylindrical workpiece 1 using linear array hollow edged electrode, participates in the electrification between tool-electrode and cylindrical workpiece 1
Reaction is learned, the metallic atom of anode surface loses electronics under electric field action at this time, and the hydrogen ion of cathode surface obtains electronics shape
At hydrogen, redox reaction occurs；By motor 19 rotates and the rotation of leading screw 13 and round platform card body 16 is driven to slide axially
So that sliding block 6 and nozzle 2 is made radial reciprocating movement i.e. withdrawing and feed process, keeps having between workpieces processing and tool-electrode certain
Processing gap, realize the processing in group hole；Again by flowing out through-hole 35 by high pressure gas around the gas of each electrode liquid outlet 32
Body is ejected on workpiece, is controlled the spray regime of electrolyte, and control electrolyte focuses on each single electricity on tool-electrode
In the region of pole face workpiece, changes electrolyte in the distribution character of workpiece surface, realize the corresponding workpiece table of each single electrode
Surface current field distribution is followed successively by flow field, gas-liquid mixed flow field and airflow field from the inside to the outside, to change under electric field action on workpiece
The current density regularity of distribution, control electric field energy more concentrate on tool-electrode in the workpiece area of each single electrode face,
Until completion of processing, then Rotating with Uniform cylindrical workpiece carry out the micro- texture processing of cylindrical workpiece inner wall next round, directly to certain angle
To the processing pattern for obtaining needs.
Claims (9)
1. a kind of cylindrical inner wall micro-structure air film shields circumference array pipe electrode jet stream electrolytic machining device, it is characterised in that：Packet
Platen, clamp plate, clamp body, feed and retract control device, nozzle and tool-electrode are included, the platen is perpendicular
To arrangement and on the smooth table top, the clamp body is mounted on by clamp plate on platen, the feed and is moved back
Knife control device is mounted in clamp body, and the nozzle is mounted in feed and retract control device, the tool-electrode installation
On nozzle；
The clamp body includes tube and clamp body baffle, the tube lateral arrangement, and its rear end is fixed on clamp plate
On, the front end of the tube is extend into cylindrical workpiece, and the front of the tube offers T-type card slot, the T along wall surface
Type card slot is being connected to equipped with convex block, the clamp body baffle in the T-type card slot of tube forward end at its bottom；
The feed and retract control device include motor, shaft coupling, rear baffle, round platform card body, sliding block, leading screw, circular guideway
And front apron, the motor are mounted on shaft coupling shell, the shaft coupling shell is mounted on rear baffle, and the rear baffle is solid
On the clamp plate, the front apron is fixed with clamp body baffle for Dingan County, and the round platform card body is small trapezoidal in the big front end in rear end
Round platform and be equipped with the tapped through hole that coordinate with leading screw along central axes, the leading screw across round platform card body tapped through hole, and its
Rear and front end is rotatably mounted on front apron and rear baffle respectively, before the rear and front end of the circular guideway is separately fixed at
On baffle and rear baffle, the round platform card body is capable of sliding back and forth to be mounted on circular guideway, the power output shaft of the motor
It is connect with leading screw by shaft coupling；The skew wall face of the round platform card body is provided in the axial direction with arc-shaped slot, the arc-shaped slot
Cross section is T-type；One sliding block is installed, the bottom of the sliding block is and the matched arc of arc-shaped slot in each arc-shaped slot
Face, the rear portion of the sliding block are respectively arranged on the left side and the right side the groove coordinated with the convex block of T-type card slot；Round platform card body position
In in the tube of the clamp body, the sliding block is stretched out out of T-type card slot and the convex block shape of groove thereon and T-type card slot
At sliding up and down pair；
The rear and front end of the nozzle is fixed on by hex screw on sliding block respectively, on the upper surface of the nozzle from back to front
It is equipped with liquid boss, gas lands and double-U-shaped slot successively, the inlet being connect with electrolytic bath is equipped in the liquid boss,
The air inlet being connect with air compressor is equipped in the gas lands；Liquid confluence chamber and gas confluence are equipped in the nozzle
Chamber, the gas confluence chamber are located at the top of liquid confluence chamber and are equipped with interlayer between the two, and the inlet passes through electricity
Solution liquid stream stand in channel is connected to liquid confluence chamber, and the air inlet is connected by gas stream stand in channel and gas confluence chamber
It is logical；It is equipped with interlayer through-hole along interlayer section normal direction, in the top of gas confluence chamber along gas confluence chamber section normal
Direction is equipped with gas and flows out through-hole, and the gas outflow through-hole is corresponded with interlayer through-hole and coaxially arranged, the tool electricity
Pole sequentially passes through double-U-shaped slot, gas outflow through-hole, gas confluence chamber, interlayer through-hole and extend into liquid confluence intracavitary from top to bottom,
The tool-electrode and the seamless tight fit of interlayer through-hole, while coordinating with gas outflow via clearance；
The liquid confluence chamber is connected to the electrode inlet of tool-electrode, in the electrode liquid outlet and cylindrical workpiece of tool-electrode
Certain processing gap is equipped between wall, the gas outflow through-hole is connected to gas confluence chamber；
The hex screw of nozzle and sliding block is connected by wire connecting power cathode, cylindrical workpiece connects positive pole.
2. cylindrical inner wall micro-structure air film as described in claim 1 shields circumference array pipe electrode jet stream electrolytic machining device,
It is characterized in that：The motor is equipped with the adjusting nut and control unit interface adjusted manually, the control unit interface and control
Device connects.
3. cylindrical inner wall micro-structure air film shielding circumference array pipe electrode jet stream Electrolyzed Processing dress as claimed in claim 1 or 2
It sets, it is characterised in that：There are three the T-type card slot settings, and three T-type card slots are arranged for 120 degree radially at the front along tube, described
Arc-shaped slot setting there are three, three arc-shaped slots be equidistantly spaced from and with three T-type card slots one in the tube of clamp body
One corresponds to.
4. cylindrical inner wall micro-structure air film shielding circumference array pipe electrode jet stream Electrolyzed Processing dress as claimed in claim 1 or 2
It sets, it is characterised in that：The tool-electrode is linear array hollow edged electrode, and the interlayer through-hole, gas outflow through-hole are line
Property array through-hole.
5. cylindrical inner wall micro-structure air film shielding circumference array pipe electrode jet stream Electrolyzed Processing dress as claimed in claim 1 or 2
It sets, it is characterised in that：The tool-electrode uses 304 stainless-steel pipes that spark cutting is processed into, and two-port is passed through
Grinding polishes；The outer diameter of 304 stainless-steel pipe is 500 μm, and internal diameter is 300 μm.
6. cylindrical inner wall micro-structure air film shielding circumference array pipe electrode jet stream Electrolyzed Processing dress as claimed in claim 1 or 2
It sets, it is characterised in that：The platen is equipped with card slot along left and right directions, and the clamp plate is that opening works towards lathe
The rear end of the U-shaped part of platform, the clamp plate is connected in the card slot of platen.
7. cylindrical inner wall micro-structure air film as claimed in claim 4 shields circumference array pipe electrode jet stream electrolytic machining device,
It is characterized in that：The liquid outlet of the nozzle is circle, and as the electrode liquid outlet of hollow edged electrode, the gas outlet of the nozzle are
Round table-like and jacketed electrode liquid outlet.
8. cylindrical inner wall micro-structure air film as claimed in claim 4 shields circumference array pipe electrode jet stream electrolytic machining device,
It is characterized in that：The interlayer through-bore axis, gas flow out through-bore axis, the axially bored line of hollow edged electrode is arranged in parallel, and every
The hole of a hollow edged electrode and corresponding interlayer through-hole, gas outflow through-hole coaxial arrangement.
9. cylindrical inner wall micro-structure air film as claimed in claim 4 shields circumference array pipe electrode jet stream electrolytic machining device,
It is characterized in that：The linear array hollow edged electrode is arranged as 1 × 5.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721444060.8U CN207695795U (en) | 2017-11-02 | 2017-11-02 | Cylindrical inner wall micro-structure air film shields circumference array pipe electrode jet stream electrolytic machining device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721444060.8U CN207695795U (en) | 2017-11-02 | 2017-11-02 | Cylindrical inner wall micro-structure air film shields circumference array pipe electrode jet stream electrolytic machining device |
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| CN207695795U true CN207695795U (en) | 2018-08-07 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185644A (en) * | 2018-11-15 | 2020-05-22 | 中国石油化工股份有限公司 | Oil field underground electrolytic cathode feeding device |
| CN113385757A (en) * | 2021-08-17 | 2021-09-14 | 江苏中科云控智能工业装备有限公司 | Die casting deburring device with multi-angle rotating mechanism |
| CN114905232A (en) * | 2022-05-14 | 2022-08-16 | 江苏江航智飞机发动机部件研究院有限公司 | Precise electrolytic machining process of titanium alloy connecting piece |
-
2017
- 2017-11-02 CN CN201721444060.8U patent/CN207695795U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111185644A (en) * | 2018-11-15 | 2020-05-22 | 中国石油化工股份有限公司 | Oil field underground electrolytic cathode feeding device |
| CN113385757A (en) * | 2021-08-17 | 2021-09-14 | 江苏中科云控智能工业装备有限公司 | Die casting deburring device with multi-angle rotating mechanism |
| CN113385757B (en) * | 2021-08-17 | 2024-04-26 | 江苏中科云控智能工业装备有限公司 | Die casting deburring device with multi-angle rotating mechanism |
| CN114905232A (en) * | 2022-05-14 | 2022-08-16 | 江苏江航智飞机发动机部件研究院有限公司 | Precise electrolytic machining process of titanium alloy connecting piece |
| CN114905232B (en) * | 2022-05-14 | 2024-04-23 | 江苏江航智飞机发动机部件研究院有限公司 | Precise electrolytic machining process for titanium alloy connecting piece |
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Granted publication date: 20180807 |