CN112222548B - Electrolyte rectifying and clearance fine-tuning device for electrolytic machining of profile - Google Patents
Electrolyte rectifying and clearance fine-tuning device for electrolytic machining of profile Download PDFInfo
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- CN112222548B CN112222548B CN202011185800.7A CN202011185800A CN112222548B CN 112222548 B CN112222548 B CN 112222548B CN 202011185800 A CN202011185800 A CN 202011185800A CN 112222548 B CN112222548 B CN 112222548B
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- 238000003754 machining Methods 0.000 title claims abstract description 53
- 239000003792 electrolyte Substances 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 238000009966 trimming Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000000565 sealant Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 abstract description 8
- 238000007789 sealing Methods 0.000 description 12
- 239000007788 liquid Substances 0.000 description 10
- 239000007769 metal material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H3/00—Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
- B23H3/08—Working media
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention relates to an electrolyte rectifying and clearance fine-tuning device for contour surface electrolytic machining, which solves the problems that in the prior art, front-end electrolyte is unstable in flow field during rectifying and electrolyte outlet clearance of the front-end rectifying device cannot be finely tuned during contour surface electrolytic machining, and can ensure that electrolytic machining has good flow field distribution, stable electrolytic machining clearance flow field and uniform pressure field distribution, thereby improving electrolytic machining precision, surface quality and stability. The invention comprises a stable flow guide section mechanism, wherein the stable flow guide section mechanism is respectively connected with a flow guide section mechanism and a longitudinal gap adjusting mechanism, the tail end of the stable flow guide section mechanism is connected with a processed cathode body to form a stable flow channel, the longitudinal gap adjusting mechanism is arranged above the stable flow guide section and comprises three parts of independent adjusting mechanisms, and the three parts of cambered surfaces realize fine adjustment gap amounts of 0.1mm-0.5mm through arc plate movement.
Description
Technical field:
the invention belongs to the technical field of electrolytic machining, and relates to an electrolyte rectifying and inflow gap partition fine-tuning device for electrolytic machining of an outline profile of a stretching part.
The background technology is as follows:
the stretch-shaped parts made of difficult-to-cut metal materials are used as key parts for motion transmission and widely applied to transportation, precise transmission and the like, but the machining of the profile (especially the profile of a curved surface) becomes a difficult machining and manufacturing problem. At present, the parts are usually processed by adopting mechanical milling, grinding and other methods, but the problems of low processing efficiency, serious cutter abrasion, high processing cost, processing stress and the like exist due to difficult material cutting.
The electrolytic machining is a non-contact machining method which has the advantages of high machining efficiency, no tool loss, no cutting stress, good surface quality, capability of being used for machining thin walls, easily-deformed parts and the like, and is widely applied to machining of complex structures or special structures of difficult-to-cut metal materials, such as blades, splined holes, gun barrel rifles and the like. Thus, the electrolytic machining technique is an ideal machining method for the profile of a stretched part.
In order to realize the electrolytic machining of the profile of the stretching-shaped part, a set of reasonable and feasible process devices must be designed. Aiming at the open structural characteristics of the profile of the stretching part, a set of process devices for laterally supplying electrolyte are required to be designed, so that the electrolytic machining has good flow field distribution and sealing effect. After the electrolyte flows in from the liquid supply pipeline, a special rectifying and adjusting device (front end device of electrolytic machining) needs to be arranged before the electrolyte enters the electrolytic machining area, so that a cylindrical electrolyte water column is rectified into a liquid passing surface shape similar to the profile of the machined profile, and machining gap adjustment can be realized (according to the flow field distribution requirement of electrolytic machining). The device is a key for ensuring uniform distribution of a flow field and a pressure field in an electrolytic machining gap and electrolytic machining quality and stability. At present, no similar special device is seen.
Disclosure of Invention
The invention aims to provide an electrolyte rectifying and clearance fine-tuning device for contour surface electrolytic machining, which solves the problems that in the prior art, front-end electrolyte is unstable during rectifying during contour surface electrolytic machining, and the clearance of an electrolyte outlet of the front-end rectifying device cannot be finely tuned, and can ensure that electrolytic machining has good flow field distribution, stable flow field of electrolytic machining clearance and uniform pressure field distribution, thereby improving electrolytic machining precision, surface quality and stability.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an electrolyte rectifying and clearance fine-tuning device for electrolytic machining of an outline profile is characterized in that: the cathode body forming device comprises a stable flow guide section mechanism, wherein the stable flow guide section mechanism is respectively connected with a flow guide section mechanism and a longitudinal gap adjusting mechanism, the longitudinal gap adjusting mechanism comprises three parts of independent adjusting mechanisms, and the tail end of the stable flow guide section mechanism is connected with a processed cathode body to form a stable flow channel.
The drainage section mechanism comprises a cavity and a fixed block, the cavity is of an integral structure, the front end of the cavity is connected to the fixed block through a plurality of fastening screws, the rear end of the cavity is connected to the stable drainage section mechanism through a plurality of fastening screws, one end of the hollow screw is connected with the fixed block through threads, and the other end of the hollow screw is connected with the electrolyte outlet pipeline through threads.
The stable diversion section mechanism comprises an upper shell and a lower shell, wherein the upper shell is connected with the upper half part of the cavity by a plurality of fastening screws, the lower shell is connected with the lower half part of the cavity by a plurality of fastening screws, and the joint is sprayed by sealant.
Sealing strips are arranged on two side surfaces of the upper shell of the stable diversion section and two side surfaces of the surface of the unprocessed workpiece, and the upper shell and the lower shell are connected through connecting plates.
The longitudinal adjusting mechanism consists of three independent adjusting structures, wherein two of the three independent adjusting structures are the same; the two same independent adjusting structures are used for cambered surfaces on two sides and consist of an arc plate, a cavity type clamping groove, a disc, a gantry fixing frame, a nut, a stud, a rotating wheel, a fixed wheel and a supporting rod, wherein the arc plate is arranged at a notch of an upper shell of a stable diversion section; the other independent adjustment mechanism is used for middle cambered surface, by the arc, the flat slab bridge, the cavity draw-in groove, the disc, the longmen mount, the nut, the double-screw bolt, the rotor, the tight pulley, the bracing piece is constituteed, the arc sets up the casing fluting department on steady water conservancy diversion section, the flat slab bridge is fixed on the arc upper plane, the cavity draw-in groove passes through fastening screw to be connected in the arc top, the disc card is in the cavity draw-in groove centre, the longmen mount is fixed in steady water conservancy diversion section upper portion, the crossbeam part in the middle of the mount has the screw hole, the double-screw bolt stretches into by the screw hole, the rotor is connected to the mount upper end, the disc is connected to the lower extreme, the nut is fixed on the mount crossbeam, and link to each other with the double-screw bolt, the tight pulley is fixed on the crossbeam through the bracing piece.
The upper shell rear end of steady water conservancy diversion section mechanism passes through fastening screw to be connected on processing cathode body, and the centre is provided with sealed pad, and upper shell front end links to each other with the cavity, and lower casing bottom shape is the same with processing cambered surface, directly detains in non-processing cambered surface region, is provided with sealed pad in the centre, and lower casing front end links to each other with the cavity, and upper and lower two parts side links to each other through the bolt, and the bottom surface passes through the connecting plate and links to each other, is provided with sealed pad between bottom surface and the connecting plate.
The stud of the longitudinal adjusting mechanism is connected with a nut fixed on a beam of the gantry fixing frame through threads, and the stud is driven to rotate through rotation of the rotating wheel, so that the disc is driven to rotate, the cavity type clamping groove is driven to do linear motion, and the arc plate is driven to translate.
The rotating wheel and the fixed wheel are respectively provided with a scale, and the scales are conversion between the rotating angle and the screw pitch.
The upper end of the flat bridge in the independent adjusting mechanism is connected with the cavity type clamping groove, and the lower end of the flat bridge is connected to the surface of the arc-shaped plate through a fastening screw.
Compared with the prior art, the invention has the following advantages and effects:
1. aiming at the problems that a lateral supply electrolyte flow field is unstable and an inflow gap cannot be adjusted in electrolytic machining of a profile of a stretched part made of a difficult-to-cut metal material, the invention provides an electrolyte rectifying and inflow gap partitioning fine-tuning device for electrolytic machining of the profile of the stretched part, which aims to ensure that the flow field of the electrolytic machining gap is stable and the distribution of a pressure field is uniform, so that the electrolytic machining precision, the surface quality and the stability are improved.
2. The invention can realize that electrolyte flows out from the liquid supply pipeline, is rectified from a circular outlet shape into a rectangular outlet shape, and is rectified from the rectangular outlet shape into a multi-section tangent arc outlet shape, and the shape is changed twice, thereby ensuring that the electrolytic machining has good flow field distribution.
3. The invention can extend to the independent adjustment of the flow guide gaps of a plurality of cambered surfaces or planes, the adjustable gap amount is 0.1mm-0.5mm, and the independent installation of the gap adjustment structure between the surfaces can be realized without interference and mutual influence.
4. The gap adjusting mechanism is simple in structure and convenient to install and replace, and most of adjusting mechanisms are in threaded connection with simple-shaped object blocks and can be easily installed and detached.
Drawings
FIG. 1 is a schematic view of an electrolyte rectifying and gap trimming apparatus for contour surface electrolytic machining according to an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of an electrolyte rectifying and gap trimming device for contour surface electrolytic machining according to an embodiment of the present invention, wherein the direction of the arrow in the figure is the flow direction of the electrolyte;
FIG. 3 is a schematic view of a drainage section of an electrolyte rectifying and gap trimming device for electrolytic machining of an outer profile according to an embodiment of the present invention;
FIG. 4 is a schematic view of a smooth flow guiding section of an electrolyte rectifying and gap trimming device for profile electrolytic machining according to an embodiment of the present invention;
FIG. 5 is a schematic view of a structure for adjusting arc segments on both sides of a longitudinal adjustment mechanism for electrolytic solution rectifying and clearance trimming devices for profile electrolytic machining according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a structure for adjusting a middle arc segment of a longitudinal adjustment mechanism of an electrolyte rectifying and gap fine adjustment device for electrolytic machining of an outer profile according to an embodiment of the present invention.
In the figure, a 01-drainage section mechanism, 011-hollow screw rods, 012-fixed blocks and 013-cavities;
02-a stable diversion section mechanism, 021-an upper shell, 022-a lower shell, 023-a connecting plate and 024-a sealing gasket;
03-gap adjusting mechanism, 031-arc plate, 032-flat plate bridge, 033-cavity clamping groove, 034-disc, 035-gantry fixing frame, 036-nut, 037-stud, 038-rotating wheel, 039-fixing wheel, 0310-supporting rod;
04-processing a cathode body;
05-difficult-to-cut metal material workpieces.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
When the irregular outer profile is machined by electrolytic machining, lateral liquid supply is generally selected, and the liquid supply mode has the best machining effect.
Referring to fig. 1 and 2, the electrolytic machining device comprises a drainage section mechanism 01, a stable drainage section mechanism 02 and a longitudinal gap adjusting mechanism 03, and is used for carrying out gentle drainage on electrolyte to ensure that an electrolytic machining gap flow field is stable and a pressure field is uniformly distributed, so that electrolytic machining precision, surface quality and stability are improved. The longitudinal gap adjusting mechanism 03 is arranged on the stable guide section mechanism 02 and comprises three independent adjusting mechanisms, the three independent adjusting mechanisms are not mutually affected, and the guide gap can be adjusted in a mutually noninterfere way aiming at three tangent circular arcs. The electrolyte flows out from the liquid outlet pipeline, the shape of the liquid outlet is rectified from a circular shape to a rectangular shape through the drainage section mechanism, then the electrolyte is rectified to a multi-cambered-surface shape through the stable diversion section mechanism 02, and finally stable liquid supply is realized through stable diversion.
Referring to fig. 3, the drainage segment mechanism 01 is composed of a hollow screw 011, a fixed block 012 and a cavity 013, wherein one end of the hollow screw 011 is connected with the fixed block 012 through threads, and the other end is connected with an electrolyte outlet pipeline through threads. The cavity 013 is of an integral structure, the front end is connected to the fixed block 012 through a plurality of fastening screws, the rear end is connected to the stable diversion section mechanism 02 through a plurality of fastening screws, and after the connection and fixation, the joint at the two ends of the cavity is sealed by sealant, so that liquid leakage is prevented. The stable diversion section mechanism 02 consists of an upper part and a lower part, the upper part and the lower part are of an integrated structure, the rear end of the upper shell 021 is connected to the processing cathode body 04 through a fastening screw, the middle part is additionally provided with a sealing gasket 024 to form a seal, the front end of the upper shell 022 is connected with a cavity 013, the bottom shape of the lower shell 022 is identical to that of a processing cambered surface, the lower shell 022 is directly buckled in a non-processing cambered surface area, the middle part is additionally provided with the sealing gasket 024 to prevent a workpiece from being damaged, the front end of the lower shell is connected with the cavity 013, the side surfaces of the upper part and the lower part are connected through bolts, the bottom surface is connected through a connecting plate 023, and the sealing gasket 024 is additionally arranged to prevent liquid leakage.
Referring to fig. 4, when the upper casing 021 of the smooth diversion section is connected with the upper half of the cavity 013, a plurality of fastening screws are adopted to connect, then the joint is sprayed with sealant to prevent seepage, and when the lower casing 022 is connected with the lower half of the cavity 013, a plurality of fastening screws are adopted to connect, and the joint is sprayed with sealant to perform sealing treatment. Sealing strips are additionally arranged on two side surfaces of the upper shell 021 part of the stable diversion section and two side surfaces of the surface of the unprocessed workpiece, and then the upper shell and the lower shell are connected through a connecting plate 023 to form the side surface integral seal.
Referring to fig. 5 and 6, the longitudinal adjustment mechanism 03 is composed of three independent adjustment structures, two of which are identical. The two same structures are used for cambered surfaces on two sides and consist of an arc-shaped plate 031, a cavity-type clamping groove 033, a disc 034, a gantry fixing frame 035, a nut 036, a stud 037, a rotating wheel 038, a fixing wheel 039 and a supporting rod 0310. The upper shell 021 part of the stable diversion section is slotted, an arc plate 031 is placed at the slotted position, sealing treatment is carried out on the periphery of the arc plate 031, a cavity type clamping groove 033 is connected above the arc plate 031 through a fastening screw, a disc 034 is clamped in the middle of the clamping groove, a gantry fixing frame 035 is fixed at the upper part of the stable diversion section 02, a middle beam part of the gantry fixing frame 035 is provided with a threaded hole, a stud 037 extends into the threaded hole, the upper end of the stud 037 is connected with a rotating wheel 038, the lower end of the stud 037 is connected with the disc 034, a nut 036 is fixed on the beam of the gantry fixing frame 035, and a fixing wheel 039 is fixed on the beam through a supporting rod 0310. The other independent adjusting mechanism is used for the middle cambered surface and consists of an arc plate 031, a flat plate bridge 032, a cavity type clamping groove 033, a disc 034, a gantry fixing frame 035, a nut 036, a stud 037, a rotating wheel 038, a fixed wheel 039 and a supporting rod 0310, wherein the upper part of a shell 021 of a stable diversion section is provided with a groove, the arc plate 031 is placed at the groove, the periphery of the arc plate is subjected to sealing treatment, the flat plate bridge 032 is fixed on the upper plane of the arc plate, the cavity type clamping groove 033 is connected above the arc plate 031 through a fastening screw, the disc 034 is clamped in the middle of the clamping groove, the gantry fixing frame 035 is fixed on the upper part of the stable diversion section 02, a middle beam part of the fixing frame 035 is provided with a threaded hole, a stud 037 extends into the threaded hole, the upper end of the stud 038 is connected with the rotating wheel 038, the lower end of the stud 036 is fixed on the beam of the fixing frame 035, and is connected with the stud 037, and the fixed wheel 039 is fixed on the beam through the supporting rod 0310. The stud 037 in the longitudinal adjusting mechanism 03 is in threaded connection with a nut 036 fixed on the crossbeam of the gantry fixing frame 035, and the stud 037 can be driven to rotate by rotating the rotating wheel 038, so as to drive the disc 034 to rotate. Because the rotation of the disc 034 can drive the cavity type clamping groove 033 to receive an external force perpendicular to the groove surface direction, the cavity type clamping groove 033 can do linear motion, and the arc plate 031 is driven to realize translation, so that the purpose of adjusting the gap is achieved. The rotating wheel 038 and the fixed wheel 039 in the longitudinal adjusting mechanism 03 are provided with scales, the scales are converted between a rotating angle and screw pitches, the travel of the screw can be obtained through the scale difference between the two wheels through the rotation of the rotating wheel 038, the linear displacement of the arc plate 031 is obtained, and the precise adjustment of the diversion gap is realized. The flat bridge 03 structure is characterized in that the problem of uneven adjustment of gaps at two sides of the arc plate can not be generated when the middle arc plate moves, and the flat bridge 03 structure is connected to the surface of the arc plate 031 by fastening screws.
Examples:
as shown in fig. 1 and 2, the device comprises three parts: the three independent structures of the drainage section mechanism 01, the stable drainage section mechanism 02 and the longitudinal gap adjusting mechanism 03 can reduce uneven electrolyte supply of the processing profile and achieve a good processing effect. The drainage section mechanism 01 is connected with the stable drainage section mechanism 02 through a fastening screw, the tail end of the stable drainage section mechanism 02 is connected with the processed cathode body 04 through the fastening screw to form a stable flow channel, and the flowing direction of electrolyte is shown as an arrow in fig. 2.
As shown in fig. 3, the hollow screw 011 of the drainage section is made of 304 stainless steel metal material, the two ends of the hollow screw 011 are respectively connected with the fixed block 012 and the electrolyte outlet pipe, the fixed block is made of iron metal material, the center of the fixed block is in a hole type structure, the other end of the fixed block is connected with the cavity 013, one end of the cavity is square, the other end of the cavity is rectangular, the square is connected with the fixed block through a fastening screw, the joint is sprayed and sealed by sealant, the other side of the square is connected with the upper and lower shells of the stable drainage section 02, the sealing treatment is also carried out, the cavity is made of rubber material, and in order to prevent the cavity from deformation caused by larger electrolyte pressure, the cavity is subjected to post-treatment to improve the deformation resistance.
As shown in fig. 4, the stationary flow guiding section 02 is composed of an upper casing and a lower casing, both of which are of an integral structure containing multiple curved surfaces, the upper casing 022 is made of cast iron, the lower casing 022 is installed on the non-processing surface of a workpiece, an elastic pad 024 is adopted between the lower casing and the non-processing surface to prevent the workpiece from being scratched, electrolyte is prevented from leaking from the lower casing, the front end of the lower casing is connected with the lower half of the cavity 013, the upper casing 021 and the lower casing 022 of the stationary flow guiding section 02 are subjected to sealing treatment on both sides and bottom surfaces, the upper casing 021 and the lower casing 022 are not in the same vertical direction, the lower casing 021 is cut off at a distance from the processing cathode body, the upper casing 021 is directly connected to the processing cathode body, when the electrolyte reaches the processing area, the electrolyte flows at the non-processing area at the front end of the processing area for a distance, and finally constant pressure flow direction of the stationary flow guiding section can be seen in the arrow direction in fig. 2.
As shown in fig. 5 and 6, the structure is a gap adjusting structure 03, a plurality of cambered plates 031 with different shapes are installed at the clamping groove of the stable diversion section mechanism 02, the upper plane is connected with the cavity clamping groove 033 through a fastening screw, the disc 034 is clamped in the clamping groove, the stud 037 is welded on the upper plane of the disc, the gantry fixing frame 035 is fixed on the upper plane of the stable diversion section mechanism 02 through a fastening screw, a beam of the gantry fixing frame 035 is provided with a threaded hole, the stud 037 can extend out of the threaded hole, a nut 036 is sleeved on the stud 037, the lower bottom surface of the nut is fixed on the beam, the upper end of the stud 037 is connected with a rotating wheel 038, and the fixed wheel 039 is connected on the beam through a supporting rod 0310. Compared with the two-side gap adjusting mechanism, the middle cambered surface adjusting structure in fig. 6 is provided with a flat bridge 032, the upper end of the flat bridge 032 is connected with the cavity clamping groove 033, the lower end of the flat bridge is connected with the cambered surface plate 031, the rest of the flat bridge is the same as the two-side cambered surface adjusting mechanism, wherein the fixed wheel 039 and the rotating wheel 038 are made of rubber materials, and the rest of the flat bridge is made of steel materials.
The gap adjusting structure is implemented as follows:
the double-screw bolt 037 is in the middle of longmen mount 035 crossbeam, and the lower extreme is in the same place with disc 034 welding, and the upper end is connected with rotor 038, rotates through rotor 038 and drives disc 034 and rotate, and double-screw bolt 037 can produce the displacement because rotating, consequently drives disc 034 and make rectilinear motion, disc 034 can drive cavity draw-in groove 033 up-and-down motion in the middle of cavity draw-in groove 033, and cavity draw-in groove 033 links to each other with arc board 031 upper end, finally can make arc panel 031 realize carrying the motion of drawing, and then reaches the purpose of adjustment water conservancy diversion clearance. Finally, the adjustment gap displacement is obtained by the numerical difference between the fixed wheel 039 and the rotating wheel 038. The fixed wheel 039 can be fixed on the beam of the portal frame 035 through the supporting rod 0310, the wheel and the rotating wheel 038 are engraved with data, the displacement of the stud can be read out through the rotation of the rotating wheel 038, the distance between the arc panel 031 and the molded surface of the unprocessed area is obtained, and the device can realize the fine adjustment displacement of 0.1mm-0.5 mm.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, and all changes that may be made in the equivalent structures described in the specification and drawings of the present invention are intended to be included in the scope of the invention.
Claims (5)
1. An electrolyte rectifying and clearance fine-tuning device for electrolytic machining of an outline profile is characterized in that: the device comprises a stable flow guide section mechanism (02), wherein the stable flow guide section mechanism (02) is respectively connected with a flow guide section mechanism (01) and a longitudinal gap adjusting mechanism (03), the longitudinal gap adjusting mechanism (03) comprises three parts of independent adjusting mechanisms, and the tail end of the stable flow guide section mechanism (02) is connected with a processed cathode body (04) to form a stable flow channel;
the drainage section mechanism (01) comprises a cavity (013) and a fixed block (012), the cavity (013) is of an integral structure, the front end of the cavity is connected to the fixed block (012) through a plurality of fastening screws, the rear end of the cavity is connected to the stable drainage section mechanism (02) through a plurality of fastening screws, one end of a hollow screw (011) is connected with the fixed block (012) through threads, and the other end of the hollow screw is connected with an electrolyte outlet pipeline through threads;
the stable diversion section mechanism (02) comprises an upper shell (021) and a lower shell (022), wherein the upper shell (021) is connected with the upper half part of the cavity (013) through a plurality of fastening screws, the lower shell (022) is connected with the lower half part of the cavity (013) through a plurality of fastening screws, and the joint is sprayed through sealant;
the longitudinal gap adjusting mechanism (03) consists of three independent adjusting structures, wherein two of the three independent adjusting structures are the same; the two same independent adjusting structures are used for two side cambered surfaces and are composed of an arc plate (031), a cavity clamping groove (033), a disc (034), a gantry fixing frame (035), a nut (036), a stud (037), a rotating wheel (038), a fixed wheel (039) and a supporting rod (0310), wherein the arc plate (031) is arranged at a groove of an upper shell (021) of a stable diversion section mechanism (02), the cavity clamping groove (033) is connected above the arc plate (031) through a fastening screw, the disc (034) is clamped in the middle of the cavity clamping groove (033), the gantry fixing frame (035) is fixed on the upper part of the stable diversion section mechanism (02), a threaded hole is formed in the middle beam part of the gantry fixing frame (035), the stud (037) stretches into from the threaded hole, the upper end of the gantry fixing frame (035) is connected with the rotating wheel (038), the lower end of the stud (036) is connected with the disc (034), and the fixed on the beam of the gantry fixing frame (035) through the supporting rod (037); the other independent adjustment mechanism is used for middle cambered surface, by arc (031), dull and stereotyped bridge (032), chamber type draw-in groove (033), disc (034), longmen mount (035), nut (036), double-screw bolt (037), rotate round (038), tight pulley (039), bracing piece (0310) are constituteed, arc (031) set up the fluting department in last casing (021) of steady water conservancy diversion section mechanism (02), dull and stereotyped bridge (032) are fixed in arc upper plane, chamber type draw-in groove (033) are connected in arc (031) top through fastening screw, disc (034) card is in chamber type draw-in groove (033) centre, longmen mount (035) are fixed in steady water conservancy diversion section mechanism (02) upper portion, longmen mount (035) middle crossbeam part is divided threaded hole, double-screw bolt (037) stretch into by the threaded hole, longmen mount (035) upper end is connected with rotate round (038), lower extreme connection disc (034), nut (036) are fixed on longmen mount (035) crossbeam, and link to each other with (039) through tight pulley (033).
2. The electrolyte rectifying and gap trimming device for profile electrolytic machining according to claim 1, wherein: the upper shell (021) rear end of steady water conservancy diversion section mechanism (02) passes through fastening screw to be connected on processing cathode body (04), is provided with sealed pad (024) in the middle, and upper shell (021) front end links to each other with cavity (013), and lower shell (022) bottom shape is the same with processing cambered surface, directly detains in non-processing cambered surface region, is provided with sealed pad (024) in the middle, and lower shell (022) front end links to each other with cavity (013), and upper and lower two part side passes through the bolt and links to each other, and the bottom surface passes through connecting plate (023) and links to each other, is provided with sealed pad (024) between bottom surface and the connecting plate.
3. The electrolyte rectifying and gap trimming device for profile electrolytic machining according to claim 2, wherein: the stud (037) of the longitudinal gap adjusting mechanism (03) is connected with a nut (036) fixed on a beam of the gantry fixing frame (035) through threads, the stud (037) is driven to rotate through rotation of the rotating wheel (038), the disc (034) is driven to rotate, the cavity clamping groove (033) is driven to do linear motion, and the arc plate (031) is driven to translate.
4. An electrolyte rectifying and gap trimming device for profile electrolytic machining according to claim 3, wherein: the rotating wheel (038) and the fixed wheel (039) are respectively provided with a scale, and the scales are conversion between a rotating angle and screw pitch.
5. The electrolyte rectifying and gap trimming device for contour surface electrolytic machining according to claim 4, wherein: the upper end of a flat plate bridge (032) in the independent adjusting mechanism is connected with the cavity type clamping groove (033), and the lower end of the flat plate bridge (032) is connected on the surface of the arc-shaped plate (031) through a fastening screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011185800.7A CN112222548B (en) | 2020-10-30 | 2020-10-30 | Electrolyte rectifying and clearance fine-tuning device for electrolytic machining of profile |
Applications Claiming Priority (1)
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