CN112222548A - Electrolyte rectification and clearance fine adjustment device for electrolytic machining of profile surface - Google Patents
Electrolyte rectification and clearance fine adjustment device for electrolytic machining of profile surface Download PDFInfo
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- CN112222548A CN112222548A CN202011185800.7A CN202011185800A CN112222548A CN 112222548 A CN112222548 A CN 112222548A CN 202011185800 A CN202011185800 A CN 202011185800A CN 112222548 A CN112222548 A CN 112222548A
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- 238000003754 machining Methods 0.000 title claims abstract description 60
- 239000003792 electrolyte Substances 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 239000000565 sealant Substances 0.000 claims description 5
- 238000009966 trimming Methods 0.000 claims 8
- 238000009826 distribution Methods 0.000 abstract description 7
- 239000007769 metal material Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000009827 uniform distribution Methods 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
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
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Abstract
The invention relates to an electrolyte rectifying and gap fine-tuning device for electrolytic machining of an outline surface, which overcomes the problems that the flow field is unstable when front-end electrolyte is rectified during electrolytic machining of the outline surface and the gap of an electrolyte outlet of a front-end rectifying device cannot be finely tuned in the prior art, can ensure that the electrolytic machining has good flow field distribution, and the electrolytic machining gap has stable flow field and uniform pressure field distribution, thereby improving the electrolytic machining precision, surface quality and stability. The 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 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 independent adjusting mechanisms, and the three cambered surfaces realize the fine adjustment gap amount of 0.1-0.5 mm through the movement of an arc plate.
Description
The technical field is as follows:
the invention belongs to the technical field of electrolytic machining, and relates to an electrolyte rectification and inflow gap partition fine adjustment device for electrolytic machining of an outline profile of a tensile part.
Background art:
the hard-to-cut metal material stretching part is widely applied to transportation, precision transmission and the like as a key part for motion transmission, but the processing of the outline profile (especially the curved outline profile) becomes a processing and manufacturing problem. At present, the parts are machined by methods such as mechanical milling, grinding and the like, but due to the fact that materials are difficult to cut, the problems of low machining efficiency, serious tool abrasion, high machining cost, machining stress and the like exist.
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 machining thin-wall and 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, spline holes, gun barrel rifling and the like. Therefore, the electrolytic machining technology is an ideal method for machining the profile of the tensile part.
In order to realize the electrolytic machining of the profile of the tensile part, a set of reasonable and feasible process device must be designed. Aiming at the structural characteristics of the open type profile of the stretching part, a set of process device adopting lateral electrolyte supply needs to be designed to ensure that the electrolytic machining has good flow field distribution and sealing effect. After the electrolyte flows into the electrolytic machining area from the liquid supply pipeline, a special rectifying and adjusting device (front end device for electrolytic machining) is required to be arranged before the electrolyte enters the electrolytic machining area, the cylindrical electrolyte water column is rectified into a liquid passing surface shape similar to the machined outline profile, and the machining gap can be adjusted (according to the flow field distribution requirement of electrolytic machining). The device is the key for ensuring the uniform distribution of a flow field and a pressure field in an electrolytic machining gap and the quality and stability of electrolytic machining. At present, no similar special device is seen.
Disclosure of Invention
The invention aims to provide an electrolyte rectifying and gap fine-tuning device for electrolytic machining of an outline profile, which overcomes the problems that the flow field is unstable when a front-end electrolyte is rectified during electrolytic machining of the outline profile and the gap between electrolyte outlets of a front-end rectifying device cannot be finely tuned in the prior art, can ensure that the electrolytic machining has good flow field distribution, the electrolytic machining gap has stable flow field and uniform pressure field distribution, and thus improves the electrolytic machining precision, surface quality and stability.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an electrolyte rectification and clearance micromatic setting for outline profile electrolytic machining which characterized in that: the device comprises a stable flow guide section mechanism, wherein a flow guide section mechanism and a longitudinal gap adjusting mechanism are respectively connected to the stable flow guide section mechanism, the longitudinal gap adjusting mechanism comprises three independent adjusting mechanisms, and the tail end of the stable flow guide section mechanism is connected with a machined 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 flow guide section mechanism through a plurality of fastening screws, one end of the hollow screw rod is connected with the fixed block through threads, and the other end of the hollow screw rod is in threaded connection with the electrolyte liquid outlet pipeline.
The stable flow guide section mechanism comprises an upper shell and a lower shell, the upper shell is connected with the upper half part of the cavity through a plurality of fastening screws, the lower shell is connected with the lower half part of the cavity through a plurality of fastening screws, and the joint is sprayed with sealant.
Sealing strips are arranged on two side surfaces of the upper shell of the stable flow guide section and two side surfaces of the surface of the unprocessed workpiece, and the upper shell and the lower shell are connected through a connecting plate.
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 are composed of an arc plate, a cavity type clamping groove, a disc, a gantry fixing frame, a nut, a stud, a rotating wheel, a fixing wheel and a supporting rod, the arc plate is arranged at the slotting position of a shell on the stable flow guide section, the cavity type clamping groove is connected above the arc plate through a fastening screw, the disc is clamped in the middle of the cavity type clamping groove, the gantry fixing frame is fixed on the upper portion of the stable flow guide section, a threaded hole is formed in the middle cross beam portion of the fixing frame, the stud extends into the threaded hole, the upper end of the fixing frame is connected with the rotating wheel, the lower end of the fixing frame is connected with the disc; another independent adjustment mechanism is used for middle cambered surface, by the arc, the slab bridge, the cavate draw-in groove, the disc, the longmen mount, the nut, the double-screw bolt, the rotation wheel, the tight pulley, the bracing piece is constituteed, the arc sets up casing fluting department on steady water conservancy diversion section, slab bridge fixes at the arc upper surface, cavate draw-in groove passes through fastening screw and connects in the arc, the disc card is in the middle of the cavate draw-in groove, the longmen mount is fixed in steady water conservancy diversion section upper portion, mount middle cross beam part is opened threaded hole, the double-screw bolt stretches into by the threaded hole, the rotation wheel is connected to the mount upper end, the disc is connected to the lower extreme, the nut is fixed on the mount.
The rear end of an upper shell of the stable flow guide section mechanism is connected to a processing cathode body through a fastening screw, a sealing gasket is arranged in the middle of the upper shell, the front end of the upper shell is connected with the cavity, the bottom of the lower shell is the same as the processing cambered surface, the lower shell is directly buckled in a non-processing cambered surface area, the middle of the lower shell is provided with the sealing gasket, the front end of the lower shell is connected with the cavity, the side surfaces of the upper part and the lower part are connected through bolts, the bottom surface of the lower shell.
The double-screw bolt of the longitudinal adjusting mechanism is connected with a nut fixed on a cross beam of the gantry fixing frame through threads, and the double-screw bolt is driven to rotate through the 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-shaped plate is driven to move horizontally.
The rotating wheel and the fixed wheel are both provided with scales which are converted between a rotating angle and a screw pitch.
The upper end of a flat plate bridge in the independent adjusting mechanism is connected with the cavity type clamping groove, and the lower end of the flat plate bridge is connected to the surface of the arc-shaped plate through a fastening screw.
Compared with the prior art, the invention has the advantages and effects that:
1. the invention provides an electrolyte rectifying and inflow gap partition fine-tuning device for electrolytic machining of an outline profile of a stretched part of a difficult-to-cut metal material, aiming at solving the problems that the laterally supplied electrolyte flow field is unstable and the inflow gap cannot be adjusted in the electrolytic machining of the outline profile of the stretched part, and the aim is to ensure that the electrolytic machining gap flow field is stable and the pressure field is uniformly distributed, so that the electrolytic machining precision, the surface quality and the stability are improved.
2. The invention can realize that the electrolyte flows out from the liquid supply pipeline, and the electrolyte is rectified into a rectangular outlet shape from the circular outlet shape and then is rectified into a multi-section tangent arc outlet shape from the rectangular outlet shape for twice shape change, thereby ensuring that the electrolytic machining has good flow field distribution.
3. The invention can be extended 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 among the surfaces can be realized without interference and influence.
4. The invention has simple clearance adjusting structure and convenient installation and replacement, and the adjusting mechanisms are mostly in threaded connection by adopting simple-shaped object blocks and can be easily installed and detached.
Drawings
FIG. 1 is a schematic overall view of an electrolyte straightening and gap fine-tuning device for profile electrochemical machining according to an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of an electrolyte straightening and gap fine-tuning device for use in profile electrochemical machining according to an embodiment of the present invention, wherein the direction of the arrows is the electrolyte flow direction;
FIG. 3 is a schematic structural view of a flow guiding section of an electrolyte rectifying and gap fine-tuning device for profile surface electrochemical machining according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a smooth flow guiding section of an electrolyte rectifying and gap fine-tuning device for profile surface electrochemical machining according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an adjusting structure of arc sections on two side surfaces of a longitudinal adjusting mechanism of an electrolyte rectifying and gap fine-tuning device for profile surface electrolytic machining according to an embodiment of the present invention;
fig. 6 is a schematic diagram of an adjustment structure of a middle circular arc segment of a longitudinal adjustment mechanism of an electrolyte rectification and gap fine adjustment device for profile surface electrolytic machining according to an embodiment of the present invention.
In the figure, 01-a drainage section mechanism, 011-a hollow screw, 012-a fixed block and 013-a cavity;
02-a stable flow guide 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 bridge, 033-cavity type clamping groove, 034-disc, 035-gantry fixing frame, 036-nut, 037-stud, 038-rotating wheel, 039-fixing wheel and 0310-support rod;
04-processing a cathode body;
05-difficult-to-cut metal material workpiece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides an electrolyte rectifying and gap fine-adjusting device for the electrolytic machining of an outline profile, which can ensure the stability of an electrolytic machining gap flow field and the uniform distribution of a pressure field, thereby improving the electrolytic machining precision, the surface quality and the stability.
Referring to fig. 1 and 2, the invention comprises a flow guiding section mechanism 01, a stable flow guiding section mechanism 02 and a longitudinal gap adjusting mechanism 03, which smoothly guide the electrolyte and ensure that the flow field of the electrolytic machining gap is stable and the pressure field is uniformly distributed, thereby improving the electrolytic machining precision, surface quality and stability. The longitudinal gap adjusting mechanism 03 is installed on the stable flow guide section mechanism 02, comprises three independent adjusting mechanisms which are not mutually influenced, and can realize non-interference adjustment of the flow guide gap aiming at three sections of tangent arcs. The electrolyte flows out from the liquid outlet pipeline, the shape of the liquid outlet is rectified into a rectangular shape from a circular shape through the drainage section mechanism, then the electrolyte is rectified into a multi-arc shape through the stable diversion section mechanism 02, and finally stable liquid supply is achieved through stable diversion.
Referring to fig. 3, the drainage section 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. Cavity 013 is an integral structure, and the front end is connected on fixed block 012 through a plurality of fastening screw, and the rear end is connected on steady water conservancy diversion section mechanism 02 through a plurality of fastening screw, connects fixed back, seals with sealed glue at cavity both ends junction, prevents the weeping. Steady water conservancy diversion section mechanism 02 comprises upper and lower two parts, two parts are the integral type structure, it passes through fastening screw to connect on processing negative pole body 04 to go up casing 021 rear end, it is sealed that middle additional packing pad 024 forms, its front end links to each other with cavity 013, casing 022 bottom shape is the same with the processing cambered surface down, directly detain in non-processing cambered surface region, middle additional packing pad 024 of installing prevents to damage the work piece, its front end links to each other with cavity 013, upper and lower two parts side passes through the bolt and links to each other, the underrun connecting plate 023 links to each other, and additional packing pad 024 prevents the weeping.
Referring to fig. 4, when the upper housing 021 of the stable guide section is connected with the upper half part of the cavity 013, a plurality of fastening screws are used for connection, then the joints are sprayed with sealant to prevent liquid seepage, and similarly, when the lower housing 022 is connected with the lower half part of the cavity 013, a plurality of fastening screws are used for connection, and the joints are sprayed with sealant for sealing treatment. Sealing strips are additionally arranged on two side faces of part of the upper shell 021 of the stable flow guide section and two side faces of the surface of a non-machined workpiece, and the upper shell and the lower shell are connected through a connecting plate 023 to form side face integral sealing.
Referring to fig. 5 and 6, the longitudinal adjustment mechanism 03 is comprised 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 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 flow guide section is grooved, an arc plate 031 is placed at the grooved position, the periphery of the groove is sealed, 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 flow guide section 02, a threaded hole is formed in the middle cross beam part of the gantry fixing frame 035, a stud 037 extends into the groove from the threaded hole, the upper end of the stud 037 is connected with a rotating wheel 038, the lower end of the stud 034 is connected with the disc 036, a nut 036 is fixed on the cross beam of the gantry fixing frame 035 and is. The other independent adjusting mechanism is used for a middle arc surface and comprises an arc plate 031, a flat plate bridge 032, a cavity type clamping groove 033, a disc 034, a portal fixing frame 035, a nut 036, a stud 037, a rotating wheel 038, a fixed wheel 039 and a support rod 0310, a part of a shell 021 on a stable flow guide section is grooved, the arc plate 031 is placed at the grooved position, the periphery of the arc plate 031 is sealed, 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 portal fixing frame 035 is fixed on the upper part of the stable flow guide section 02, a threaded hole is formed in the middle cross beam part of the fixing frame 035, the 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 rotating wheel. A stud 037 in the longitudinal adjusting mechanism 03 is in threaded connection with a nut 036 fixed on a cross beam of the gantry fixing frame 035, and the stud 037 can be driven to rotate by rotating a rotating wheel 038, so that a disc 034 is driven to rotate. Because the rotation of the disc 034 can drive the cavity type clamping groove 033 to receive an external force vertical to the groove surface direction, the cavity type clamping groove 033 can do linear motion to drive the arc-shaped plate 031 to realize translation, and the purpose of adjusting the gap is achieved. All there is the scale on the rotation wheel 038 and the tight pulley 039 in vertical guiding mechanism 03, and this scale is the conversion between turned angle and the screw rod pitch, and through the rotation of rotating wheel 038, the stroke that can obtain the screw rod through the scale difference between the two-wheeled, obtains the linear displacement of arc 031, realizes accurate regulation water conservancy diversion clearance. The flat plate bridge 03 structure can not generate the problem of uneven regulation of gaps on two sides of the arc plate when the middle arc plate moves, and is connected to the 031 surface of the arc plate through fastening screws.
Example (b):
as shown in fig. 1 and 2, the device comprises three parts: the three parts of the drainage section mechanism 01, the stable flow guide section mechanism 02 and the longitudinal gap adjusting mechanism 03 are independent structures, so that the phenomenon of uneven electrolyte supply on a machined profile can be reduced, and a better machining effect is realized. The drainage section mechanism 01 is connected with the stable flow guiding section mechanism 02 through fastening screws, the tail end of the stable flow guiding section mechanism 02 is connected with the processing cathode body 04 through the fastening screws to form a stable flow passage, and the flowing direction of electrolyte is shown as an arrow in figure 2.
As shown in fig. 3, the hollow screw 011 of the drainage section is made of 304 stainless steel metal material, two ends of the hollow screw are connected with the fixed block 012 and the electrolyte outlet pipeline through threads respectively, the fixed block is made of iron metal material, the center of the fixed block is of a hole-shaped structure, the other end of the fixed block is connected with the cavity 013, one end of the cavity is in a square shape, the other end of the cavity is in a rectangular shape, the side of the square shape is connected with the fixed block through fastening screws, the joint is sealed by sealant spraying, the other side of the square shape is connected with the upper shell and the lower shell of the stable diversion section 02, the cavity is made of rubber materials and is prevented from deforming when being subjected.
As shown in fig. 4, the stable guiding section 02 is composed of an upper and a lower housing, both of which are of an integrated structure including multiple curved surfaces, the material is cast iron, the lower shell 022 is partially arranged on the non-processing surface of a workpiece, between the lower part and the non-processing surface, an elastic pad 024 is adopted to prevent the workpiece from being scratched and prevent the electrolyte from leaking from the lower part, the front end of the device is connected with the lower half part of a cavity 013, the bottom surfaces of two sides and two sides of the upper shell 021 and the lower shell 022 of the stable flow guide section 02 are sealed, the two parts are not in the same vertical direction, the lower part is cut at a distance away from the processed cathode body, the upper shell 021 is directly connected with the processed cathode body, when the electrolyte reaches a processed area, the fluid flows for a certain distance in the non-processing area at the front end of the processing area, and finally the constant pressure flow is realized to the processing area, and the flow direction of the stable flow guide section can be seen in the arrow direction in figure 2.
As shown in fig. 5 and 6, the structure is a gap adjustment structure 03, a plurality of cambered plates 031 with different shapes are installed at the clamping grooves of the stable diversion section mechanism 02, the upper plane is connected with the cavity type clamping grooves 033 through fastening screws, a disc 034 is clamped in the clamping grooves, studs 037 are welded on the upper plane of the disc, a gantry fixing frame 035 is fixed on the upper plane of the stable diversion section mechanism 02 through fastening screws, threaded holes are formed in the beam of the gantry fixing frame 035, the studs 037 can extend out of the threaded holes, nuts 036 are sleeved on the studs 037, the lower bottom surface of the studs is fixed on the beam, rotating wheels 038 are connected to the upper ends of the studs 037, and a fixed wheel 039 is connected to the beam. Compared with the two-side gap adjusting mechanism, the middle cambered surface adjusting structure in fig. 6 is additionally provided with a flat plate bridge 032, the upper end of the flat plate bridge 032 is connected with a cavity-type clamping groove 033, the lower end of the flat plate bridge 032 is connected with a cambered plate 031, and the rest of the middle cambered surface adjusting structure is the same as the two-side cambered surface adjusting mechanisms, wherein a fixed wheel 039 and a rotating wheel 038 are made of rubber materials, and the rest of.
The gap adjusting structure has the following implementation modes:
double-screw bolt 037 is in the middle of longmen mount 035 crossbeam, the lower extreme is in the same place with the welding of disc 034, the upper end is connected with rotation wheel 038, rotate through rotating wheel 038 and drive disc 034 and rotate, and double-screw bolt 037 can produce the displacement because rotating, consequently, drive disc 034 and make rectilinear motion, disc 034 is in the middle of cavate draw-in groove 033, can drive cavate draw-in groove 033 up-and-down motion, cavate draw-in groove 033 links to each other with arc panel 031 upper end, finally can make arc panel 031 realize the motion of drawing formula, and then reach the purpose in adjustment water conservancy diversion clearance. Finally, the adjustment gap displacement is determined by the difference between the values of the fixed wheel 039 and the rotating wheel 038. The fixed wheel 039 can be fixed on the cross beam of the portal frame 035 through the support 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 profile of the cambered plate 031 and the profile of the unmachined area is obtained, and the device can realize the fine adjustment displacement of 0.1mm-0.5 mm.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides an electrolyte rectification and clearance micromatic setting for outline profile electrolytic machining which characterized in that: the device comprises a stable flow guide section mechanism (02), wherein the stable flow guide section mechanism (02) is connected with a flow guide section mechanism (01) and a longitudinal gap adjusting mechanism (03) respectively, the longitudinal gap adjusting mechanism (03) comprises three 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.
2. The electrolyte straightening and gap trimming device for the electrolytic machining of profiled surfaces according to claim 1, characterized in that: drainage section mechanism (01) is including cavity (013), fixed block (012), and cavity (013) is an integral structure, and the front end is connected on fixed block (012) through a plurality of fastening screw, and the rear end is connected on steady water conservancy diversion section mechanism (02) through a plurality of fastening screw, and cavity screw rod (011) one end is connected through the screw thread with fixed block (012), and the other end and electrolyte play liquid pipeline threaded connection.
3. Electrolyte straightening and gap trimming device for the electrolytic machining of profiled surfaces according to claim 2, characterized in that: the stable flow guide section mechanism (02) comprises an upper shell (021) and a lower shell (022), 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 joints are sprayed with sealant.
4. Electrolyte straightening and gap trimming device for the electrolytic machining of profiled surfaces according to claim 3, characterized in that: sealing strips are arranged on two side surfaces of the upper shell (021) of the stable flow guide section and two side surfaces of the surface of the unprocessed workpiece, and the upper shell and the lower shell are connected through a connecting plate (023).
5. Electrolyte straightening and gap trimming device for the electrolytic machining of profiled surfaces according to claim 4, characterized in that: the longitudinal 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 cambered surfaces on two sides and are composed of an arc 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 fixed wheel (039) and a support rod (0310), the arc plate (031) is arranged at the slotting position of a shell (021) on a stable flow guide section, 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 cavity type clamping groove (033), the gantry fixing frame (035) is fixed on the upper part of the stable flow guide section (02), a threaded hole is formed in the middle cross beam part of the fixing frame (035), the stud (037) extends into the threaded hole, the rotating wheel (038) is connected to the upper end of the fixing frame (035), the lower end of the fixing frame is connected with the disc (034), the nut (036, the fixed wheel (039) is fixed on the cross beam through a support rod (0310); the other independent adjusting mechanism is used for a middle arc 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 support rod (0310), the arc plate (031) is arranged at the slotting position of a shell (021) on a stable flow guide section, 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 cavity type clamping groove (033), a gantry fixing frame (035) is fixed on the upper part of the stable flow guide section (02), a threaded hole is formed in the middle cross beam part of the fixing frame (035), the stud (037) extends into the threaded hole, the upper end of the fixing frame (035) is connected with the rotating wheel (038), the lower end of, and is connected with a stud (037), and a fixed wheel (039) is fixed on the cross beam through a support rod (0310).
6. Electrolyte straightening and gap trimming device for the electrolytic machining of profiled surfaces according to claim 5, characterized in that: last casing (021) rear end of steady water conservancy diversion section mechanism (02) passes through fastening screw to be connected on processing negative pole body (04), the centre is provided with sealed pad (024), it links to each other with cavity (013) to go up casing (021) front end, casing (022) bottom shape is the same with the processing cambered surface down, directly detain in non-processing cambered surface region, the centre is provided with sealed pad (024), lower casing (022) front end links to each other with cavity (013), it links to each other through the bolt to go up two parts side down, the bottom surface passes through connecting plate (023) and links to each other, be provided with sealed pad (024) between bottom surface and the connecting plate.
7. The electrolyte straightening and gap trimming device for the electrolytic machining of profiled surfaces according to claim 6, characterized in that: a stud (037) of the longitudinal adjusting mechanism (03) is in threaded connection with a nut (036) fixed on a cross beam of the gantry fixing frame (035), and is rotated through a rotating wheel (038) to drive the stud (037) to rotate, further drive a disc (034) to rotate, and drive a cavity type clamping groove (033) to do linear motion to drive the arc-shaped plate (031) to move horizontally.
8. The electrolyte straightening and gap trimming device for the electrolytic machining of profiled surfaces according to claim 7, characterized in that: scales are arranged on the rotating wheel (038) and the fixed wheel (039) and are converted between a rotating angle and a screw pitch.
9. The electrolyte straightening and gap trimming device for the electrolytic machining of profiled surfaces according to claim 8, characterized in that: the upper end of a flat plate bridge (032) in the independent adjusting mechanism is connected with a cavity type clamping groove (033), and the lower end of the flat plate bridge (032) is connected to the surface of an arc-shaped plate (031) through a fastening screw.
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| CN113828874A (en) * | 2021-09-08 | 2021-12-24 | 西安工业大学 | Movable sealing device and sealing method for contour profile movable type electrolytic machining |
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