CN114367712B - Machining device and machining method for nonmetal parts with hemispherical inner and outer surfaces - Google Patents
Machining device and machining method for nonmetal parts with hemispherical inner and outer surfaces Download PDFInfo
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- CN114367712B CN114367712B CN202210001608.0A CN202210001608A CN114367712B CN 114367712 B CN114367712 B CN 114367712B CN 202210001608 A CN202210001608 A CN 202210001608A CN 114367712 B CN114367712 B CN 114367712B
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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
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
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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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- 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
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
- B23H7/08—Wire electrodes
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Abstract
The invention discloses a processing device and a processing method of a nonmetal part with hemispherical inside and outside. The processing device comprises a bottom plate, a rotating shaft, an outer ball cutting tungsten wire and an inner ball cutting tungsten wire. Two opposite upright posts are arranged on the bottom plate; the rotating shaft is positioned above the bottom plate, and two ends of the rotating shaft are respectively and rotatably connected with the two upright posts; two ends of the outer ball cutting tungsten wire are connected with the rotating shaft, and the middle section is an arc section with the same radius as the outer spherical surface; two ends of the inner ball cutting tungsten wire are connected with the rotating shaft, and the middle section is an arc section with the same radius as the inner spherical surface; the inner ball cutting tungsten filament and the outer ball cutting tungsten filament are arranged in an angle of 180 degrees and are both electrically connected with an external power supply, and the rotating shaft drives the electrified inner ball cutting tungsten filament and the electrified outer ball cutting tungsten filament to rotate so as to respectively process the inner spherical surface and the outer spherical surface of the non-metal part. The invention solves the processing problem of non-metal parts with hemispherical inner and outer surfaces, improves the processing quality and the processing efficiency, and ensures the dimensional processing precision and the stability of batch production.
Description
Technical Field
The invention belongs to the technical field of cutting processing, and particularly relates to a processing device and a processing method for a nonmetal part with hemispherical inside and outside.
Background
In industrial production, some non-metallic parts with hemispherical inner and outer surfaces are often required to be processed, as shown in fig. 1, the radius SR1 of the outer spherical surface F1 of the part is not equal to the radius SR2 of the inner spherical surface F2, and the spherical centers of the outer spherical surface F1 and the inner spherical surface F2 are different. The inner and outer parts are semi-spherical non-metallic parts, and are made of polystyrene foam plastic plate with density not greater than 30Kg/m 3 The material is large in brittleness and easy to damage on the surface, so that the processing difficulty is large and is embodied in the following aspects:
1) The clamping and positioning can not be directly carried out on a machine tool; if clamping needs to be carried out in a process chuck reserving mode, waste of raw materials can be caused;
2) When the inner spherical surface and the outer spherical surface are machined, the inner spherical surface and the outer spherical surface need to be clamped and aligned again, and the machining efficiency is low;
3) Due to the fact that the brittleness of the material is high, the surface of the part is easy to damage due to tissue fracture during machining, and the surface machining quality is poor;
4) The requirement of size precision can not be guaranteed by manually finishing the inner spherical surface and the outer spherical surface.
Therefore, the processing difficulty of the non-metal parts with the inner and outer hemispheres is high, and the processing quality and the processing efficiency of the parts are greatly influenced.
Disclosure of Invention
Aiming at the defects in the related technology, the invention provides a processing device and a processing method for a nonmetal part with hemispherical inside and outside, which are used for solving a series of problems that the part cannot be machined, clamped and processed, raw materials are wasted, the processing quality is poor, the processing efficiency is low and the like in the prior art, improving the processing quality and the processing efficiency and ensuring the size processing precision of the part and the quality stability of batch production.
The invention provides a processing device of a non-metal part with hemispherical inside and outside, which is used for processing the outside spherical surface and the inside spherical surface of the non-metal part and comprises:
the bottom plate is provided with two opposite upright rods;
the rotating shaft is positioned above the bottom plate, and two ends of the rotating shaft are respectively and rotatably connected with the two upright posts;
the two ends of the outer ball cutting tungsten wire are connected with the rotating shaft, and the middle section of the outer ball cutting tungsten wire is an arc section with the radius equal to that of the outer spherical surface; the outer ball cutting tungsten wire is also electrically connected with an external power supply, and the rotating shaft is rotated to drive the electrified outer ball cutting tungsten wire to rotate so as to machine the outer spherical surface of the non-metal part;
the two ends of the inner ball cutting tungsten wire are connected with the rotating shaft, the middle section of the inner ball cutting tungsten wire is an arc section with the radius equal to that of the inner spherical surface, and the inner ball cutting tungsten wire and the outer ball cutting tungsten wire are arranged in an angle of 180 degrees relative to the rotating shaft; the inner ball cutting tungsten filament is further electrically connected with an external power supply, and the rotating shaft drives the electrified inner ball cutting tungsten filament to rotate so as to machine the inner spherical surface of the non-metal part.
According to the technical scheme, the rotary type electrifying cutting machining of the semi-spherical non-metal part with the inner part and the outer part is realized through the arrangement of the rotating shaft, the outer ball cutting tungsten wire and the inner ball cutting tungsten wire, and the problem that the surface of the part is damaged due to the fact that the material is large in brittleness in other machining modes is solved; moreover, the technical scheme can respectively finish the processing of the inner spherical surface and the outer spherical surface at one time, obviously improves the processing quality and the processing efficiency, and ensures the size processing precision of the non-metal parts.
In some of these embodiments, the wire diameter of both the outer ball-cut tungsten wire and the inner ball-cut tungsten wire is 2mm. The technical scheme ensures the electrifying cutting function of the outer ball cutting tungsten wire and the inner ball cutting tungsten wire on the non-metal parts, and ensures the stability of the size and the shape of the outer ball cutting tungsten wire and the inner ball cutting tungsten wire.
In some embodiments, a first scale mark is arranged at one end of the upper surface of the bottom plate, an axis line is arranged on the surface of the rotating shaft along the axial direction of the surface of the rotating shaft, and the axis line is coincident with the first scale mark in the vertical direction of the bottom plate. The technical scheme realizes the visual assembly between the rotating shaft and the bottom plate and ensures the stable and reliable positioning state of the rotating shaft on the bottom plate.
In some embodiments, the upper surface of the bottom plate is further provided with a second graduation line perpendicular to the first graduation line, and the second graduation line crosses the midpoint of the first graduation line. According to the technical scheme, the second scale marks are arranged, so that the shaft scale lines can be conveniently aligned with the scales on the first scale marks in a visual mode, and the shaft scale lines can also serve as positioning reference lines of the plate blank to be processed on the bottom plate.
In some embodiments, the processing device further includes two fastening screws and two tightening nuts adapted to each fastening screw, the two fastening screws are respectively screwed to the two ends of the rotating shaft and protrude out of the vertical rod, and the two tightening nuts are sleeved on the fastening screws and abut against the vertical rod. This technical scheme realizes the assembly stability between pivot and the pole setting.
The invention also provides a processing method for the nonmetal parts with the inner and outer hemispheres by using the processing device for the nonmetal parts with the inner and outer hemispheres, which comprises the following steps:
a blanking step, namely processing a square plate blank with corresponding thickness according to the size of the non-metal part;
assembling the processing device, namely assembling the outer ball cutting tungsten wire, the inner ball cutting tungsten wire, the rotating shaft, the upright rod and the bottom plate together;
a plate blank positioning step, namely determining a first fixing position of the plate blank on the bottom plate when the inner spherical surface is processed, and determining a second fixing position of the plate blank on the bottom plate when the outer spherical surface is processed;
an inner spherical surface processing step, namely assembling a plate blank at a first fixing position, and rotating a rotating shaft to drive the electrified inner ball cutting tungsten filament to rotate so as to process the inner spherical surface;
and an outer spherical surface processing step, namely assembling the plate blank after the inner spherical surface is processed at a second fixed position, and rotating the rotating shaft to drive the electrified outer ball cutting tungsten filament to rotate so as to process the outer spherical surface.
This technical scheme has realized that inside and outside is hemispherical non-metallic parts's rotation type circular telegram cutting process, has solved a series of problems such as this type of part can't machine additional clamping processing, raw and other materials are extravagant, the processing quality is poor, machining efficiency hangs down under the prior art, is showing and has improved processingquality and machining efficiency, ensures that inside and outside is hemispherical non-metallic parts's size machining precision and batch production's stability.
In some embodiments, in the assembling step of the processing device, the shaft line is aligned and centered with the first scale line in the vertical direction of the base plate when the shaft is installed. The technical scheme ensures that the positioning state of the rotating shaft on the bottom plate is stable and reliable, and further ensures the size processing precision of the nonmetal parts of which the inner part and the outer part are hemispherical.
In some of these embodiments, the outer ball-cutting tungsten wire and the inner ball-cutting tungsten wire are installed so as to be arranged at 180 ° with respect to the rotational axis in the machining device assembling step. According to the technical scheme, the cutting processing of the inner spherical surface and the outer spherical surface is completed by using one set of processing device, the processing efficiency is improved, and the practicability of the processing device is enhanced.
In some embodiments, in the slab positioning step, two positioning pins are respectively inserted into the first fixing station and the second fixing station for assembling and positioning the slab. According to the technical scheme, the positioning pins are arranged, so that the plate blank is quickly assembled and positioned on the bottom plate when the inner spherical surface and the outer spherical surface are processed, the processing efficiency is improved, the batch production processing is convenient, and the stability of the batch production is ensured.
In some of these embodiments, the first and second holding positions are both on the same side of the pole. This technical scheme has realized processingequipment's compact design.
Based on the technical scheme, the processing device and the processing method for the nonmetal parts with the inner and outer hemispheres in the embodiment of the invention have the advantages of simple structure, convenience for use and strong practicability, effectively solve a series of problems that the nonmetal parts with the inner and outer hemispheres cannot be machined, clamped and processed, raw materials are wasted, the processing quality is poor, the processing efficiency is low and the like in the prior art, remarkably improve the processing quality and the processing efficiency, and ensure the dimensional processing precision and the batch production stability of the nonmetal parts with the inner and outer hemispheres.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a non-metallic part with hemispherical inner and outer surfaces;
FIG. 2 is a schematic structural diagram of a machining device for non-metallic parts of the present invention, both of which are hemispherical on the inside and outside;
fig. 3 is a schematic view showing the positioning of a plate blank on the processing apparatus for non-metallic parts of the present invention, both inside and outside of which are hemispherical.
In the figure:
f1, an outer spherical surface; f2, an inner spherical surface; 1. a base plate; 2. erecting a rod; 3. a rotating shaft; 4. cutting a tungsten wire by using the outer ball; 5. cutting a tungsten wire by using an inner ball; 51. bending sections; 52. a fixed section; 6. tightening the screw; 7. preparing a nut; 8. a set screw; 9. a sheet blank; 10. positioning pins; p1, a first fixed bit; p2, a second fixed bit; l1, a first scale mark; l2, a second scale mark; l3, axial line scribing.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in fig. 2, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, the present invention provides a processing apparatus for processing a non-metal part having a hemispherical shape inside and outside, which is used for processing an outer spherical surface F1 and an inner spherical surface F2 of the non-metal part, and includes a bottom plate 1, a rotating shaft 3, an outer sphere cutting tungsten filament 4 and an inner sphere cutting tungsten filament 5. Wherein the content of the first and second substances,
the bottom plate 1 is a flat plate structure, and two opposite vertical rods 2 are arranged on the bottom plate.
The rotating shaft 3 is positioned above the bottom plate 1, and two ends of the rotating shaft are respectively connected with the two upright posts 2 in a rotating manner.
Both ends of the outer ball cutting tungsten wire 4 are connected with the rotating shaft 3, and the middle section of the outer ball cutting tungsten wire 4 is an arc section with the radius SR1 equal to that of the outer spherical surface F1. The outer ball cutting tungsten filament 4 is also electrically connected with an external power supply, and the rotating shaft 3 drives the electrified outer ball cutting tungsten filament 4 to rotate so as to machine the outer spherical surface F1 of the non-metal part.
Both ends of the inner ball cutting tungsten wire 5 are connected with the rotating shaft 3, and the middle section of the inner ball cutting tungsten wire 5 is an arc section with the radius SR2 equal to the radius F2 of the inner spherical surface. The inner ball cutting tungsten wire 5 and the outer ball cutting tungsten wire 4 are arranged in 180 degrees relative to the rotating shaft 3. The inner ball cutting tungsten filament 5 is also electrically connected with an external power supply, and the rotating shaft 3 drives the electrified inner ball cutting tungsten filament 5 to rotate so as to machine an inner spherical surface F2 of the non-metal part.
It can be understood that the middle sections of the outer ball cutting tungsten wire 4 and the inner ball cutting tungsten wire 5 are functional sections for processing the outer spherical surface F1 and the inner spherical surface F2 of the non-metal part, so that the sections are arc-shaped; in the non-functional section part, the shapes of the outer ball cutting tungsten wire 4 and the inner ball cutting tungsten wire 5 are not limited to circular arc shapes, and the shape of the non-functional section can be changed by a person skilled in the art according to the actual layout requirement of the processing device; as shown in fig. 2, the inner ball cutting tungsten wire 5 is provided with a bending section 51 and a fixing section 52 in a non-functional section, so that the overall size of the inner ball cutting tungsten wire 5 is reduced on the premise of meeting the processing requirements of non-metal parts, and the overall span of the processing device is further reduced.
In the exemplary embodiment, the rotary type electrifying cutting processing of the nonmetal part with the hemispherical inner side and the hemispherical outer side is realized by the arrangement of the rotating shaft 3, the outer ball cutting tungsten wire 4 and the inner ball cutting tungsten wire 5, and the problem of part surface damage caused by the large brittleness of the material in other processing modes is solved; moreover, the exemplary embodiment can respectively complete the processing of the inner spherical surface F2 and the outer spherical surface F1 at one time, thereby significantly improving the processing quality and the processing efficiency and ensuring the size processing precision of the non-metal parts.
In some embodiments, the wire diameter of the outer ball-cut tungsten wire 4 and the inner ball-cut tungsten wire 5 are both 2mm. According to the illustrative embodiment, the wire diameter of 2mm is set, so that the electrifying current of the wire meets the requirement of cutting processing, the electrifying cutting function of the outer ball cutting tungsten wire 4 and the inner ball cutting tungsten wire 5 on non-metal parts is ensured, and the stability of the size and the shape of the outer ball cutting tungsten wire 4 and the inner ball cutting tungsten wire 5 is ensured.
In some embodiments, a first scale line L1 is provided at one end of the upper surface of the bottom plate 1, an axis line L3 is provided on the surface of the rotating shaft 3 along the axial direction thereof, and the axis line L3 coincides with the first scale line L1 in the vertical direction of the bottom plate 1. It is understood that the axis line L3 and the first scale line L1 are marked lines with scales, so as to facilitate the scale alignment of the two; meanwhile, the arrangement of the shaft scribing line L3 is also convenient for the assembly and positioning of the outer ball cutting tungsten wire 4 and the inner ball cutting tungsten wire 5 on the rotating shaft 3. According to the illustrative embodiment, visual assembly between the rotating shaft 3 and the bottom plate 1 is realized, and the stable and reliable positioning state of the rotating shaft 3 on the bottom plate 1 is ensured.
In some embodiments, the upper surface of the bottom plate 1 is further provided with a second scale line L2 perpendicular to the first scale line L1, and the second scale line L2 intersects at a midpoint of the first scale line L1. In the exemplary embodiment, the second scale line L2 is provided to facilitate visual alignment of the axis line L3 and the scale on the first scale line L1, and also serves as a reference line for positioning the slab 9 to be processed on the bottom plate 1.
In some embodiments, the processing device further includes two fastening screws 6 and two tightening nuts 7 adapted to each fastening screw 6, the two fastening screws 6 are respectively screwed to two ends of the rotating shaft 3 and protrude out of the vertical rod 2, and the two tightening nuts 7 are sleeved on the fastening screws 6 and abut against the vertical rod 2. This exemplary embodiment achieves stability of the assembly between the rotating shaft 3 and the vertical rod 2.
The invention also provides a processing method for the nonmetal parts with the inner and outer hemispheres by using the processing device for the nonmetal parts with the inner and outer hemispheres, which comprises the following steps:
a blanking step, namely processing a square plate blank 9 with corresponding thickness according to the maximum external dimension of a non-metal part, such as a polystyrene foam plastic part;
assembling the processing device, namely assembling an outer ball cutting tungsten wire 4, an inner ball cutting tungsten wire 5, a rotating shaft 3, an upright rod 2 and a bottom plate 1 together; further, firstly, the length of the tungsten wire required is calculated according to the radius of the inner spherical surface F2 and the outer spherical surface F1 of the non-metal part, and the tungsten wire is bent into an inner ball cutting tungsten wire 5 and an outer ball cutting tungsten wire 4; two ends of the inner ball cutting tungsten wire 5 and the outer ball cutting tungsten wire 4 are connected to the rotating shaft 3 by fixing screws 8 respectively and are electrically connected with an external power supply; then, a set screw 6 and a standby nut 7 are used for connecting the rotating shaft 3 to the upright rod 2 on the bottom plate 1;
a plate blank 9 positioning step, namely determining a first fixing position P1 of the plate blank 9 on the bottom plate 1 when the inner spherical surface F2 is machined according to the rotation center of the inner ball cutting tungsten wire 5; determining a second fixing position P2 of the plate blank 9 on the bottom plate 1 when the outer spherical surface F1 is machined according to the rotating center of the outer ball cutting tungsten wire 4;
a step of processing an inner spherical surface F2, wherein a plate blank 9 is assembled at a first fixing position P1, and the rotating shaft 3 is rotated to drive the electrified inner ball cutting tungsten filament 5 to rotate so as to process the inner spherical surface F2 at one time;
and an outer spherical surface F1 processing step, namely assembling the plate blank 9 after the inner spherical surface F2 is processed at a second fixing position P2, and rotating the rotating shaft 3 to drive the electrified outer ball cutting tungsten filament 4 to rotate so as to process the outer spherical surface F1 at one time.
Above-mentioned exemplary embodiment has realized that inside and outside is hemispherical non-metallic parts's rotation type circular telegram cutting process, has solved under the prior art a series of problems such as this type of part can't machine additional clamping processing, raw and other materials are extravagant, the processingquality is poor, machining efficiency is low, is showing and is improving processingquality and machining efficiency, ensures inside and outside hemispherical non-metallic parts's size machining precision and batch production's stability.
In some embodiments, in the assembling step of the processing apparatus, the shaft line L3 is aligned and centered with the first scale line L1 in the vertical direction of the base plate 1 when the shaft 3 is installed. The illustrative embodiment ensures that the positioning state of the rotating shaft 3 on the bottom plate 1 is stable and reliable, and further ensures the dimensional processing precision of the nonmetal parts with hemispherical inner and outer surfaces.
In some embodiments, the outer ball-cutting tungsten wire 4 and the inner ball-cutting tungsten wire 5 are installed so as to be arranged at 180 ° with respect to the rotating shaft 3 in the machining device assembling step. This schematic embodiment has realized using one set of processingequipment to accomplish the cutting process of interior sphere F2 and exterior sphere F1, has improved machining efficiency, has strengthened this processingequipment's practicality.
In some embodiments, in the slab blank 9 positioning step, two positioning pins 10 are respectively inserted at the first fixing station P1 and the second fixing station P2 for assembling and positioning the slab blank 9. The first scale mark L1 and the second scale mark L2 are used as positioning reference lines of the positioning pin 10, that is, as positioning reference lines of the plate blank 9 to be processed on the base plate 1. In addition, it can be understood that two positioning holes matched with the two positioning pins 10 are preset on the plate blank 9, so that the plate blank 9 and the bottom plate 1 can be quickly assembled and positioned; the two positioning holes are located in the area to be cut out of the theoretical insert surface F1 of the plate blank 9.
Above-mentioned exemplary embodiment, through the setting of locating pin 10, realized that the fast assembly and the location of slab material 9 on bottom plate 1 when processing interior sphere F2 and exterior sphere F1 have improved machining efficiency, conveniently carry out batch production processing to ensure batch production's stability.
In some embodiments, the first fixing position P1 and the second fixing position P2 are both located on the same side of the upright 2. This exemplary embodiment enables a compact design of the processing device.
The description of the various embodiments of the invention will show that the invention has at least one or more of the following advantages:
1. the rotary type electrified cutting machining of the nonmetal parts with the inner and outer hemispheres is realized, and the problem of part surface damage caused by the large brittleness of materials in other machining modes is solved;
2. the processing of the inner spherical surface F2 and the outer spherical surface F1 can be respectively completed at one time, the processing quality and the processing efficiency are obviously improved, and the size processing precision of the nonmetal parts of which the inner side and the outer side are hemispherical is ensured;
3. the quick assembly and positioning of the plate blank 9 on the bottom plate 1 when the inner spherical surface F2 and the outer spherical surface F1 are machined are realized, the plate blank 9 does not need to be clamped and aligned again, the machining efficiency is improved, the batch production machining is convenient, and the stability of batch production is ensured; meanwhile, the process chuck does not need to be reserved for the plate blank 9, and waste of raw materials is avoided.
Finally, it should be noted that: in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the invention, it is intended to cover all modifications within the scope of the invention as claimed.
Claims (13)
1. The utility model provides an inside and outside is processingequipment of hemispherical non-metallic part for processing non-metallic part's spherical outside surface and interior sphere, its characterized in that includes:
the bottom plate is provided with two opposite upright rods;
the rotating shaft is positioned above the bottom plate, and two ends of the rotating shaft are respectively and rotatably connected with the two upright posts;
the two ends of the outer ball cutting tungsten wire are connected with the rotating shaft, and the middle section of the outer ball cutting tungsten wire is an arc section with the radius equal to that of the outer spherical surface; the outer ball cutting tungsten wire is also electrically connected with an external power supply, and the rotating shaft is rotated to drive the electrified outer ball cutting tungsten wire to rotate so as to machine the outer spherical surface of the non-metal part;
the two ends of the inner ball cutting tungsten wire are connected with the rotating shaft, the middle section of the inner ball cutting tungsten wire is an arc section with the radius equal to that of the inner spherical surface, and the inner ball cutting tungsten wire and the outer ball cutting tungsten wire are arranged in an angle of 180 degrees relative to the rotating shaft; the inner ball cutting tungsten wire is further electrically connected with the external power supply, and the rotating shaft is rotated to drive the electrified inner ball cutting tungsten wire to rotate so as to machine the inner spherical surface of the non-metal part.
2. The apparatus for machining nonmetallic parts, both of which are hemispherical on the inside and outside, as claimed in claim 1, wherein the wire diameters of the outer ball-cutting tungsten wire and the inner ball-cutting tungsten wire are both 2mm.
3. The apparatus as claimed in claim 1, wherein the bottom plate has a first graduation line at one end of its upper surface, and the shaft surface has a shaft line along its axial direction, and the shaft line coincides with the first graduation line in a vertical direction of the bottom plate.
4. The apparatus as claimed in claim 3, wherein the upper surface of the base plate is further provided with a second graduation mark perpendicular to the first graduation mark, and the second graduation mark crosses a midpoint of the first graduation mark.
5. The processing device for non-metallic parts with hemispherical inner and outer surfaces as claimed in claim 1, further comprising two fastening screws and two tightening nuts respectively engaged with each fastening screw, wherein the two fastening screws are respectively screwed to two ends of the rotating shaft and protrude out of the vertical rod, and the two tightening nuts are sleeved on the fastening screws and pressed against the vertical rod.
6. The method for processing the non-metallic parts both in the inner and outer hemispheres using the apparatus for processing the non-metallic parts both in the inner and outer hemispheres according to claim 1, 2 or 5, comprising the steps of:
blanking, namely processing a square plate blank with corresponding thickness according to the size of the non-metal part;
assembling the processing device, namely assembling the outer ball cutting tungsten wire, the inner ball cutting tungsten wire, the rotating shaft, the upright rod and the bottom plate together;
a plate blank positioning step, namely determining a first fixing position of the plate blank on the bottom plate when the inner spherical surface is processed, and determining a second fixing position of the plate blank on the bottom plate when the outer spherical surface is processed;
an inner spherical surface processing step, wherein the plate blank is assembled at the first fixing position, and the rotating shaft is rotated to drive the electrified inner ball cutting tungsten wire to rotate so as to process the inner spherical surface;
and an outer spherical surface processing step, namely assembling the plate blank after the inner spherical surface is processed at the second fixing position, rotating the rotating shaft to drive the electrified outer ball cutting tungsten wire to rotate, and processing the outer spherical surface.
7. The method as claimed in claim 6, wherein the outer and inner hemispherical non-metallic parts are arranged at 180 ° with respect to the rotation axis when the outer and inner spherical cutting tungsten wires are installed in the machining device assembling step.
8. The method for processing the non-metallic parts both internally and externally hemispherical as claimed in claim 6, wherein in the step of positioning the slab, two positioning pins are respectively inserted at the first fixing position and the second fixing position for assembling and positioning the slab.
9. The method as claimed in claim 6 or 8, wherein the first fixing position and the second fixing position are both located on the same side of the vertical rod.
10. The method for processing the non-metallic parts both in the inner and outer hemispheres using the apparatus for processing the non-metallic parts both in the inner and outer hemispheres according to claim 3 or 4, comprising the steps of:
a blanking step, namely processing a square plate blank with corresponding thickness according to the size of the non-metal part;
assembling the processing device, namely assembling the outer ball cutting tungsten wire, the inner ball cutting tungsten wire, the rotating shaft, the upright rod and the bottom plate together; when the rotating shaft is installed, the shaft line is overlapped and centered with the first scale mark in the vertical direction of the bottom plate;
a plate blank positioning step, namely determining a first fixing position of the plate blank on the bottom plate when the inner spherical surface is processed, and determining a second fixing position of the plate blank on the bottom plate when the outer spherical surface is processed;
an inner spherical surface processing step, namely assembling the plate blank at the first fixing position, rotating the rotating shaft to drive the electrified inner ball cutting tungsten wire to rotate, and processing the inner spherical surface;
and an outer spherical surface processing step, namely assembling the plate blank after the inner spherical surface is processed at the second fixing position, rotating the rotating shaft to drive the electrified outer ball cutting tungsten wire to rotate, and processing the outer spherical surface.
11. The method as claimed in claim 10, wherein the outer and inner hemispherical non-metallic parts are arranged at 180 ° with respect to the rotation axis when the outer and inner ball-cutting tungsten wires are installed in the assembling step of the machining device.
12. The method for processing the non-metallic parts both internally and externally hemispherical as claimed in claim 10, wherein in the step of positioning the slab, two positioning pins are respectively inserted at the first fixing position and the second fixing position for assembling and positioning the slab.
13. The method as claimed in claim 10 or 12, wherein the first fixing position and the second fixing position are located on the same side of the vertical rod.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021113466368 | 2021-11-15 | ||
| CN202111346636 | 2021-11-15 |
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| Publication Number | Publication Date |
|---|---|
| CN114367712A CN114367712A (en) | 2022-04-19 |
| CN114367712B true CN114367712B (en) | 2023-02-28 |
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| US6410877B1 (en) * | 2000-01-30 | 2002-06-25 | Diamicron, Inc. | Methods for shaping and finishing prosthetic joint components including polycrystalline diamond compacts |
| CN102151920A (en) * | 2011-03-02 | 2011-08-17 | 哈尔滨工业大学 | Electrical discharge machining (EDM) method of super-hard micro-hemisphere couple part |
| CN106552975A (en) * | 2015-09-28 | 2017-04-05 | 通用电气公司 | Machining tool and system of processing |
| CN106964854A (en) * | 2016-01-13 | 2017-07-21 | 东北林业大学 | A kind of complicated electrode preparation method for electrochemistry processing and forming |
| CN111203689A (en) * | 2020-01-15 | 2020-05-29 | 贵州航天朝阳科技有限责任公司 | Machining process for precision forming of hemispheroid of large thin-wall storage tank |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6410877B1 (en) * | 2000-01-30 | 2002-06-25 | Diamicron, Inc. | Methods for shaping and finishing prosthetic joint components including polycrystalline diamond compacts |
| CN102151920A (en) * | 2011-03-02 | 2011-08-17 | 哈尔滨工业大学 | Electrical discharge machining (EDM) method of super-hard micro-hemisphere couple part |
| CN106552975A (en) * | 2015-09-28 | 2017-04-05 | 通用电气公司 | Machining tool and system of processing |
| CN106964854A (en) * | 2016-01-13 | 2017-07-21 | 东北林业大学 | A kind of complicated electrode preparation method for electrochemistry processing and forming |
| CN111203689A (en) * | 2020-01-15 | 2020-05-29 | 贵州航天朝阳科技有限责任公司 | Machining process for precision forming of hemispheroid of large thin-wall storage tank |
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| CN114367712A (en) | 2022-04-19 |
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