CN113681099A - Universal tool and method for cutting and machining ring segment parts - Google Patents
Universal tool and method for cutting and machining ring segment parts Download PDFInfo
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- CN113681099A CN113681099A CN202111041982.5A CN202111041982A CN113681099A CN 113681099 A CN113681099 A CN 113681099A CN 202111041982 A CN202111041982 A CN 202111041982A CN 113681099 A CN113681099 A CN 113681099A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000003754 machining Methods 0.000 title claims description 26
- 238000012546 transfer Methods 0.000 claims abstract description 56
- 238000012545 processing Methods 0.000 claims abstract description 9
- 238000003825 pressing Methods 0.000 claims description 22
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010892 electric spark Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation 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
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
- B23H11/003—Mounting of workpieces, e.g. working-tables
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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
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to a universal tool and a method for cutting and processing ring segment parts, which comprises a base main body, a circumferential positioning transfer slider, a circumferential transfer slider, an extension plate and a positioning joint, wherein the circumferential positioning transfer slider and the circumferential transfer slider are arranged on the base main body in a matched mode through key grooves, the extension plate and the positioning joint are sequentially arranged on the upper portions of the circumferential positioning transfer slider and the circumferential transfer slider, one end of the extension plate is fastened with the positioning joint and the circumferential positioning transfer slider or the circumferential transfer slider through screws, one end of the extension plate on the upper portion of the circumferential positioning transfer slider is provided with a key positioning shaft and a guide piece, one end of the extension plate on the circumferential transfer slider is provided with a key positioning shaft and a clamping piece, and parts to be processed are compressed. The invention can be used in both fixed and rotary workbench wire-cut electric discharge machines, and the existing fixed workbench wire-cut electric discharge machine has the capability of angular indexing cutting processing of ring segment parts.
Description
Technical Field
The invention belongs to the technical field of machining of ring segment parts, and particularly relates to a universal tool and a universal method for cutting off and machining the ring segment parts.
Background
At present, in the field of machining of ring section parts of aero-engines, an electric spark wire cutting machine of a rotary worktable is mainly used for carrying out indexing cutting machining. When the electric spark wire cutting machine carries out cutting processing on ring segment type parts, special fixtures are needed to clamp the parts, each special fixture can only process one part, and the universality of the special fixtures is poor.
The ring segment type parts of the aero-engine are various in types, small in batch, frequent in conversion and large in quantity, the special fixture is long in design and manufacturing period, high in cost and long in fixture conversion time, and the requirements of development and processing cannot be met. Meanwhile, the electric spark wire cutting machine tool with a part of fixed working tables cannot machine ring segment parts due to the fact that the working tables cannot rotate, and productivity is wasted.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a universal tool and a universal method for cutting and machining ring segment parts, which can simultaneously meet the machining requirements of a fixed workbench electric spark wire cutting machine tool and a rotary workbench electric spark wire cutting machine tool, so that the existing fixed workbench electric spark wire cutting machine tool has the capability of angular indexing cutting and machining of the ring segment parts, can clamp and machine the parts with different diameters, different heights, different shapes, different arc lengths, different chord heights and different segment numbers, and has strong universality. The invention solves the problems of various ring segment parts, small batch, frequent conversion, large quantity of special clamps, difficult clamp conversion and high frequency.
The utility model provides a omnipotent frock for ring section class part cuts off processing, which comprises a base main body, circumference location switching slider, circumference switching slider, extension board and positioning joint, circumference location switching slider, circumference switching slider passes through the keyway cooperation and sets up in the base main body, the upper portion of circumference location switching slider and circumference switching slider has set gradually extension board and positioning joint, and fasten extension board one end and positioning joint and circumference location switching slider or circumference switching slider through the screw, the extension board other end on circumference location switching slider upper portion is provided with key location axle and guide, the extension board other end of circumference switching slider portion is provided with key location axle and compresses tightly the piece, treat jointly that the part that processes carries out the clamping and compresses tightly.
The base main body comprises two parts with different outer diameters, namely a small end positioned at the upper part and a large end positioned at the lower part; the small end is annular, a T-shaped annular key groove is formed in the upper surface of the small end, and a ring groove in the lower portion of the T-shaped annular key groove is used for mounting a T-shaped nut; the upper surface of the small end is provided with a small end surface centripetal straight key groove, and the lower surface of the large end is provided with a large end surface centripetal straight key groove for positioning the base main body on the machine tool.
The number of the small end face centripetal straight key grooves is more than 1.
The circular arc key has been seted up to circumference location switching slider lower surface, and the cross keyway has been seted up to the upper surface of circumference location switching slider, and the circular arc key cooperates with the upper portion annular of the T-shaped annular keyway that the little terminal surface of base main part was seted up, perpendicular keyway has been seted up along the direction of height to the angular center position of the inside and outside both sides of circumference location switching slider, installs a key and little terminal surface centripetal straight keyway cooperation in the perpendicular keyway.
The lower surface of the circumferential transfer sliding block is provided with an arc key, the upper surface of the circumferential transfer sliding block is provided with a cross key groove, and the arc key is matched with an upper annular groove of a T-shaped annular key groove formed in the small end surface of the base main body.
The upper surface of the extension plate is used for a plane for axial positioning of a part to be processed, the upper surface and the lower surface of the extension plate are both provided with cross key grooves, cross keys are arranged in the cross key grooves on the lower surface of the extension plate and matched with the circumferential positioning switching sliding blocks or the cross key grooves on the upper surface of the circumferential switching sliding blocks, the other end of the extension plate is provided with a key positioning shaft, the lower surface of the key positioning shaft is provided with cross key grooves, and the cross key grooves are internally provided with a linear key which is matched with a centripetal key groove in the cross key grooves on the upper surface of the extension plate; a T-shaped screw is arranged in a centripetal key groove in a cross-shaped key groove on the upper surface of the extension plate on the upper part of the circumferential transfer sliding block, and a pressing piece is arranged on the T-shaped screw; t-shaped screws are arranged in centripetal key grooves in cross-shaped key grooves in the upper surface of the extension plate on the upper portion of the circumferential positioning switching slide block, and guide pieces are arranged on the T-shaped screws.
The universal tool for cutting and machining ring segment parts is machined on a wire cut electrical discharge machine of a fixed workbench, and specifically comprises the following steps:
the method comprises the following steps: mounting the base main body on a machine tool workbench, straightening reference surfaces on two sides of a positioning block at the large end of the base main body, and aligning the tool;
step two: installing a corresponding number of circumferential positioning switching sliders, circumferential switching sliders, extension plates and positioning joints according to the number of sections of the part to be machined, enabling one end of each extension plate to face the center of the tool, and enabling the other end of each extension plate to be flush with the outer circle of the small end of the base main body; the number of the key positioning shafts is 3-4;
step three: the extension plate is indexed, and the indexing modes of the extension plate are three, wherein the first mode is that angular center scribed lines on the inner side and the outer side of the circumferential transfer sliding block are compared with angular scale lines of an inner circle and an outer circle of the small end of the base body, so that rapid indexing is realized; secondly, a small end face centripetal key groove at the small end of the base body is used as a 0-degree position, the small end face centripetal key groove at the 0-degree position is used as an angular zero point, the circumferential transfer sliding block and the extension plate are indexed according to corresponding angles, and the indexing is realized by measuring the center distance between a positioning joint needing indexing and a positioning joint on the circumferential positioning transfer sliding block at the angular zero point; thirdly, inserting a positioning pin into the reference hole, and realizing accurate indexing of the extension plate by measuring the center distance between the positioning pin and the key positioning shaft;
step four: installing a key positioning shaft at one end of the extension plate facing to the center of the tool through a straight key, moving the key positioning shaft provided with the straight key in a centripetal key groove of the extension plate, and accurately adjusting the size of a spigot by measuring the center distance between the key positioning shaft and a positioning joint;
step five: installing and pressing a part to be processed: placing the part to be processed on the upper surface of the extension plate, enabling the side surface of the part to be processed to be in contact with the side surface of the key positioning shaft, and then pressing the pressing piece and the guide piece on the upper surface of the part to be processed;
step six: the molybdenum wire is subjected to linear interpolation of an X axis and a Z axis on the inner side of the base main body to form a required size.
The universal tool for cutting and machining ring segment parts is machined on a wire cut electric discharge machine of a rotary workbench, and specifically comprises the following steps:
the method comprises the following steps: mounting the base main body on a machine tool workbench, straightening reference surfaces on two sides of a positioning block at the large end of the base main body, and aligning the tool;
step two: installing a corresponding number of circumferential positioning switching sliders, circumferential switching sliders, extension plates and positioning connectors according to the number of sections of the part to be processed, enabling one end of each extension plate to face the outer side of the tool, and enabling the other end of each extension plate to be flush with the inner circle of the small end of the base main body; the number of the key positioning shafts is 3-4;
step three: the extension plate is indexed, and the indexing modes of the extension plate are three, wherein the first mode is that angular center scribed lines on the inner side and the outer side of the circumferential transfer sliding block are compared with angular scale lines of an inner circle and an outer circle of the small end of the base body, so that rapid indexing is realized; secondly, a small end face centripetal key groove at the small end of the base body is used as a 0-degree position, the small end face centripetal key groove at the 0-degree position is used as an angular zero point, the circumferential transfer sliding block and the extension plate are indexed according to corresponding angles, and the indexing is realized by measuring the center distance between a positioning joint needing indexing and a positioning joint on the circumferential positioning transfer sliding block at the angular zero point; thirdly, inserting a positioning pin into the reference hole, and realizing accurate indexing of the extension plate by measuring the center distance between the positioning pin and the key positioning shaft;
step four: installing a key positioning shaft at one end of the extension plate facing to the center of the tool through a straight key, moving the key positioning shaft provided with the straight key in a centripetal key groove of the extension plate, and accurately adjusting the size of a spigot by measuring the center distance between the key positioning shaft and a positioning joint;
step five: installing and pressing a part to be processed: installing a part to be processed on the extension plate, placing the part to be processed on the upper surface of the extension plate, enabling the side surface of the part to be processed to be in contact with the side surface of the key positioning shaft, and then pressing the pressing piece and the guide piece on the upper surface of the part to be processed;
step six: the molybdenum wire is subjected to linear interpolation of an X axis and a Z axis on the inner side of the base main body to form a required size.
The invention has the beneficial effects that: the tooling realizes universalization, labeling, serialization and modularization of the indexing cutting processing tooling of ring segment parts, ensures the development and delivery progress, reduces the cost of special tooling and reduces the tooling conversion time. The invention has the advantages of simple structure, easy installation, simple operation, convenient clamping, low cost and obvious application effect. The universal tool and the universal method are successfully applied to the indexing cutting machining of the ring segment parts of the items such as commercial large turbofan engines, certain turbofan engines, rotary packages and the like, solve the tool difficulty of about 20 part numbers by using the universal tool and the universal method, realize the standardization and modularization of the indexing cutting machining tool of the ring segment parts, ensure the development and delivery progress, reduce the residual items of the special tool 790, save the tool cost by about 57.65 ten thousand yuan, reduce the design time of the special tool by more than 1100 hours and shorten the production preparation period by 85 percent. The method has wide popularization, can bring economic benefits from the aspects of saving the cost of special tools, reducing the quality loss of parts, reducing the working hours of processing and shortening the preparation time of production, and saves the annual cost by more than ten million yuan.
Drawings
Fig. 1 is a schematic clamping view of a universal tool provided in an embodiment of the present invention;
FIG. 2 is a front view of the universal tooling provided by the embodiment of the present invention;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a view taken along line A-A of FIG. 3;
FIG. 5 is an enlarged view of portion A of FIG. 1;
wherein the content of the first and second substances,
1-a base main body, 2-a circumferential transfer sliding block, 3-an angular center groove, 4-a reference hole, 5-a reference surface, 6-a circumferential positioning transfer sliding block, 7-an extension plate, 8-a guide piece, 9-a pressing piece, 10-a key positioning shaft, 11-a positioning joint, 12-a T-shaped nut, 13-a small end surface centripetal straight key groove, 14-an angular scale mark, 15-a T-shaped annular key groove, 16-a large end surface centripetal straight key groove and 17-a part to be processed.
Detailed Description
For better understanding of the present invention, the technical solutions and effects of the present invention will be described in detail by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1, a universal tool for cutting off and processing ring segment type parts comprises a base main body 1, a circumferential positioning and switching slider 6, a circumferential positioning and switching slider 2, an extension plate 7 and a positioning joint 11, the circumferential positioning and switching slider 6 and the circumferential switching slider 2 are arranged on the base main body 1 through key groove matching, the extension plate 7 and the positioning joint 11 are sequentially arranged on the upper portions of the circumferential positioning and switching slider 6 and the circumferential switching slider 2, one end of the extension plate 7 is fastened with the positioning joint 11 and the circumferential positioning and switching slider 6 or the circumferential switching slider 2 through screws, the other end of the extension plate 7 on the upper portion of the circumferential positioning and switching slider 6 is provided with a key positioning shaft 10 and a guide 8, the other end of the extension plate 7 on the circumferential switching slider 2 is provided with a key positioning shaft 10 and a pressing piece 9, and a part 17 to be processed is clamped and pressed together.
As shown in fig. 2-4, the base body 1 is a main body part of the device, and the base body 1 includes two parts with different outer diameters, namely a small end located at the upper part and a large end located at the lower part; the small end is annular, a T-shaped annular key groove 15 is formed in the upper surface of the small end, an upper ring groove of the T-shaped annular key groove 15 is used for conversion between the radial dimension and the angular dimension reference between the base main body 1 and the circumferential transfer sliding block 2 and between the circumferential positioning transfer sliding blocks 6, and a lower ring groove of the T-shaped annular key groove 15 is used for mounting the T-shaped nut 12; the upper surface of the small end is provided with a small end face centripetal straight key groove 13 for angular positioning during indexing of the circumferential transfer sliding block 2; the lower surface of the big end is provided with a big end surface centripetal straight key groove 16 for positioning the base main body 1 on a machine tool. The number of the small end surface centripetal straight key grooves 13 in the embodiment is four, and the small end surface centripetal straight key grooves are uniformly distributed along the circumferential direction of the T-shaped annular key groove 15; the number of the large end surface centripetal straight key grooves 16 in the embodiment is four, and the large end surface centripetal straight key grooves are uniformly distributed along the circumferential direction of the large end.
As shown in fig. 5, the circumferential positioning adapting slider 6 has an arc key on its lower surface, and a cross key slot on its upper surface, the arc key is engaged with the upper ring slot of the T-shaped ring slot 15 on the small end surface of the base body 1, and the circumferential positioning adapting slider 6 can slide along the T-shaped ring slot 15. The cooperation of the circular arc key and the T-shaped annular key groove 15 transfers the radial reference of the base main body 1 to the center of the cross-shaped key groove on the upper surface of the circumferential positioning transfer sliding block 6. And a through hole is formed in the center of the circumferential positioning switching slide block 6 along the height direction and is used for compressing and fixing. The angular center position of the inside and outside both sides of circumference location adapter slide 6 has seted up perpendicular keyway along the direction of height, installs in the perpendicular keyway a word key and little terminal surface centripetal straight keyway 13 cooperation, converts the angular basis of base main part 1 to the center department of the cross keyway of circumference location adapter slide 6 upper surface.
As shown in fig. 5, the circumferential transfer slider 2 has an arc key on the lower surface thereof, a cross key groove on the upper surface thereof, and the arc key is engaged with the upper ring groove of the T-shaped annular key groove 15 formed on the small end surface of the base body 1, so that the circumferential transfer slider 2 can slide along the T-shaped annular key groove 15. The cooperation of the circular arc key and the T-shaped annular key groove 15 transfers the radial reference of the base body 1 to the center of the cross-shaped key groove on the upper surface of the circumferential adapter slide 2. And a through hole is formed in the center of the circumferential transfer sliding block 2 along the height direction and is used for compressing and fixing.
The upper surface of the extension plate 7 is used for a plane for axial positioning of a part 17 to be processed, cross key grooves are formed in the upper surface and the lower surface of the extension plate 7, cross keys are installed in the cross key grooves in the lower surface of the extension plate 7 and matched with the cross key grooves in the upper surface of the circumferential positioning transfer sliding block 6 or the upper surface of the circumferential transfer sliding block 2, and the radial direction and the angular dimension reference of the base main body 1 are converted into the center of the cross key grooves in the upper surface of the extension plate 7. A key positioning shaft 10 is installed at the other end of the extension plate 7, a cross key groove is formed in the lower surface of the key positioning shaft 10, a linear key is installed in the cross key groove and matched with a centripetal key groove in the cross key groove in the upper surface of the extension plate 7, and the key positioning shaft 10 can slide along the centripetal key groove in the cross key groove in the upper surface of the extension plate 7. Through the key positioning shaft 10 provided with the I-shaped key, the size of the positioning spigot can be adjusted by the movement of the key positioning shaft 10, so that the side surface of the key positioning shaft 10 is contacted with the side surface of the part 17 to be processed to position the part.
The middle part of the extension plate 7 is provided with a straight-through hole along the height direction.
When the workbench is fixed and processed by the wire cut electric discharge machine, one end of the extension plate 7 faces to the center of the tool, the other end of the extension plate is flush with the excircle of the small end of the base main body 1, and the molybdenum wire is linearly interpolated and processed to have a required size on the inner side of the base main body 1. When the wire cut electric discharge machine of the rotary workbench is used for machining, one end of the extension plate 7 faces the outer side of the tool, the other end of the extension plate is flush with the inner circle of the small end of the base main body 1, and the molybdenum wire is linearly interpolated and machined to be in a required size on the inner side of the base main body 1.
And a T-shaped screw is arranged in a centripetal key groove in the cross-shaped key groove on the upper surface of the extension plate 7 on the upper part of the circumferential transfer sliding block 2, and a pressing piece 9 is arranged on the T-shaped screw and used for clamping and pressing a part 17 to be processed.
And a T-shaped screw is arranged in a centripetal key groove in a cross key groove on the upper surface of the extension plate 7 on the upper part of the circumferential positioning switching slide block 6, and a guide part 8 is arranged on the T-shaped screw and used for guiding and clamping a part 17 to be processed.
In this embodiment, the ring segment type part to be processed is eight segments, which are provided with seven circumferential transfer sliders 2 and one circumferential positioning transfer slider 6, and four key positioning shafts 10.
The lower surface of the positioning joint 11 is provided with a cross key groove, a cross key is arranged in the cross key groove on the upper surface of the extension plate 7 and matched with the cross key groove on the lower surface of the positioning joint 11, and the radial and angular dimension reference of the base main body 1 is converted to the center of the positioning joint 11. A through hole is formed in the middle of the positioning joint 11 in the height direction, and a screw penetrates through the positioning joint 11, the extension plate 7, the circumferential positioning transfer sliding block 6 or the circumferential transfer sliding block 2 in sequence and is matched with a T-shaped nut 12 in the T-shaped annular key groove 15 to be compressed.
The large end of the base main body 1 is symmetrically provided with reference holes 4 along the height direction of the base main body for angular positioning during indexing of the circumferential transfer sliding block 2; the side surfaces of the large end of the base main body 1, which are positioned at two sides of the reference hole 4, are reference surfaces 5, are symmetrical relative to the center of the base main body 1, and are used for aligning the whole tool. The size of the reference hole 4 in this embodiment is phi 21H 7.
The inner circle and the outer circle of the small end of the base main body 1 are provided with angular scale marks 14 for fast indexing of the circumferential transfer sliding block 2.
And angular center scribed lines 3 are arranged at angular center positions of the inner side and the outer side of the circumferential transfer sliding block 2 and are used for rapidly indexing the circumferential transfer sliding block 2.
During machining, the circumferential positioning and switching slide blocks 6, the circumferential switching slide blocks 2, the extension plate 7 and the positioning joints 11 are installed in corresponding numbers according to the number of the sections of the parts 17 to be machined, the total number of the circumferential positioning and switching slide blocks 6 and the total number of the circumferential switching slide blocks 2 are equal to the number of the sections of the parts 17 to be machined, and the number of the circumferential positioning and switching slide blocks 6 is larger than 1. The extension plate 7 has three indexing modes, the first mode is that the angular center scribed lines 3 on the inner side and the outer side of the circumferential adapter slide block 2 are compared with the angular scale marks 14 of the inner circle and the outer circle of the small end of the base main body 1, so that rapid indexing is realized; secondly, a small end face centripetal key groove at the small end of the base main body 1 is used as a 0-degree position, the small end face centripetal key groove at the 0-degree position is used as an angular zero point, the circumferential transfer sliding block 2 and the extension plate 7 are divided according to corresponding angles, and the division is realized by measuring the center distance between a positioning joint 11 needing division and a positioning joint 11 on the circumferential positioning transfer sliding block 6 at the angular zero point, so that the extension plate 7 is accurately divided; the third is to insert a locating pin in the reference hole 4, and to achieve accurate indexing of the elongated plate 7 by measuring the center distance of the locating pin from the key locating shaft 10.
The universal tool for cutting and machining ring segment parts is machined on a wire cut electrical discharge machine of a fixed workbench, and specifically comprises the following steps:
the method comprises the following steps: the base body 1 is installed on a machine tool workbench, the reference surfaces 5 on two sides of the positioning block at the large end of the base body 1 are straightened, and the tool is aligned.
Step two: installing a corresponding number of circumferential positioning and switching sliders 6, circumferential switching sliders 2, extension plates 7 and positioning joints 11 according to the number of sections of the part 17 to be machined, enabling one ends of the extension plates 7 to face the center of the tool, and enabling the other ends of the extension plates to be flush with the outer circle of the small end of the base main body 1.
Step three: the extension plate 7 is indexed, and the indexing modes of the extension plate 7 are three, wherein the first mode is that the angular center scribed lines 3 on the inner side and the outer side of the circumferential adapter slide block 2 are compared with the angular scale lines 14 on the inner circle and the outer circle of the small end of the base main body 1, so that rapid indexing is realized; secondly, a small end face centripetal key groove at the small end of the base main body 1 is used as a 0-degree position, the small end face centripetal key groove at the 0-degree position is used as an angular zero point, the circumferential transfer sliding block 2 and the extension plate 7 are divided according to corresponding angles, and the division is realized by measuring the center distance between a positioning joint 11 needing division and a positioning joint 11 on the circumferential positioning transfer sliding block 6 at the angular zero point, so that the extension plate 7 is accurately divided; the third is to insert a locating pin in the reference hole 4, and to achieve accurate indexing of the elongated plate 7 by measuring the center distance of the locating pin from the key locating shaft 10. In this embodiment, a second indexing scheme is adopted.
Step four: one end of an extension plate 7 facing the center of the tool is provided with a key positioning shaft 10 through a key, the key positioning shaft 10 provided with the key moves in a centripetal key groove of the extension plate 7, and the size of a seam allowance is accurately adjusted by measuring the center distance between the key positioning shaft 10 and a positioning joint 11.
Step five: mounting and pressing the part to be machined 17: the member to be machined 17 is placed on the upper surface of the elongated plate 7 with the side surface in contact with the key positioning shaft 10, and then the pressing member 9 and the guide member 8 are pressed against the upper surface of the member to be machined 17.
Step six: the molybdenum wire is processed into required size by linear interpolation of X axis and Z axis in the inner side of the base main body 1.
The universal tool for cutting and machining ring segment parts is machined on a wire cut electrical discharge machine of a rotary workbench, and specifically comprises the following steps:
the method comprises the following steps: the base body 1 is installed on a machine tool workbench, the reference surfaces 5 on two sides of the positioning block at the large end of the base body 1 are straightened, and the tool is aligned.
Step two: and installing a corresponding number of circumferential positioning switching sliders 6, circumferential switching sliders 2, extension plates 7 and positioning joints 11 according to the number of sections of the part 17 to be processed, enabling one ends of the extension plates 7 to face the outer side of the tool, and enabling the other ends of the extension plates to be flush with the inner circle of the small end of the base main body 1.
Step three: the extension plate 7 is indexed, and the indexing modes of the extension plate 7 are three, wherein the first mode is that the angular center scribed lines 3 on the inner side and the outer side of the circumferential adapter slide block 2 are compared with the angular scale lines 14 on the inner circle and the outer circle of the small end of the base main body 1, so that rapid indexing is realized; secondly, a small end face centripetal key groove at the small end of the base main body 1 is used as a 0-degree position, the small end face centripetal key groove at the 0-degree position is used as an angular zero point, the circumferential transfer sliding block 2 and the extension plate 7 are divided according to corresponding angles, and the division is realized by measuring the center distance between a positioning joint 11 needing division and a positioning joint 11 on the circumferential positioning transfer sliding block 6 at the angular zero point, so that the extension plate 7 is accurately divided; the third is to insert a locating pin in the reference hole 4, and to achieve accurate indexing of the elongated plate 7 by measuring the center distance of the locating pin from the key locating shaft 10. In this embodiment, a second indexing scheme is adopted.
Step four: one end of an extension plate 7 facing the center of the tool is provided with a key positioning shaft 10 through a key, the key positioning shaft 10 provided with the key moves in a centripetal key groove of the extension plate 7, and the size of a seam allowance is accurately adjusted by measuring the center distance between the key positioning shaft 10 and a positioning joint 11.
Step five: mounting and pressing the part to be machined 17: the part to be machined 17 is mounted on the elongated plate 7, the part to be machined 17 is placed on the upper surface of the elongated plate 7 with the side surface in contact with the key positioning shaft 10, and then the pressing member 9 and the guide member 8 are pressed against the upper surface of the part to be machined 17.
Step six: the molybdenum wire is processed into required size by linear interpolation of X axis and Z axis in the inner side of the base main body 1.
Claims (8)
1. The utility model provides a omnipotent frock that is used for ring section class part to cut off processing which characterized in that: the clamping device comprises a base main body, circumference location switching slider, circumference switching slider, extension board and positioning joint, circumference location switching slider, circumference switching slider passes through the keyway cooperation and sets up in the base main body, the upper portion of circumference location switching slider and circumference switching slider has set gradually extension board and positioning joint, and fasten extension board one end and positioning joint and circumference location switching slider or circumference switching slider through the screw, the extension board other end on circumference location switching slider upper portion is provided with key location axle and guide, the extension board other end of circumference switching slider portion is provided with key location axle and compresses tightly the piece, treat jointly that the part that processes carries out the clamping and compresses tightly.
2. The universal tool for cutting off and machining ring segment parts as claimed in claim 1, is characterized in that: the base main body comprises two parts with different outer diameters, namely a small end positioned at the upper part and a large end positioned at the lower part; the small end is annular, a T-shaped annular key groove is formed in the upper surface of the small end, and a ring groove in the lower portion of the T-shaped annular key groove is used for mounting a T-shaped nut; the upper surface of the small end is provided with a small end surface centripetal straight key groove, and the lower surface of the large end is provided with a large end surface centripetal straight key groove for positioning the base main body on the machine tool.
3. The universal tool for cutting and machining ring segment parts as claimed in claim 2, wherein the universal tool comprises: the number of the small end face centripetal straight key grooves is more than 1.
4. The universal tool for cutting and machining ring segment parts as claimed in claim 2, wherein the universal tool comprises: the circular arc key has been seted up to circumference location switching slider lower surface, and the cross keyway has been seted up to the upper surface of circumference location switching slider, and the circular arc key cooperates with the upper portion annular of the T-shaped annular keyway that the little terminal surface of base main part was seted up, perpendicular keyway has been seted up along the direction of height to the angular center position of the inside and outside both sides of circumference location switching slider, installs a key and little terminal surface centripetal straight keyway cooperation in the perpendicular keyway.
5. The universal tool for cutting and machining ring segment parts as claimed in claim 2, wherein the universal tool comprises: the lower surface of the circumferential transfer sliding block is provided with an arc key, the upper surface of the circumferential transfer sliding block is provided with a cross key groove, and the arc key is matched with an upper annular groove of a T-shaped annular key groove formed in the small end surface of the base main body.
6. The universal tool for cutting and machining ring segment parts as claimed in claim 4 or 5, wherein the universal tool comprises: the upper surface of the extension plate is used for a plane for axial positioning of a part to be processed, the upper surface and the lower surface of the extension plate are both provided with cross key grooves, cross keys are arranged in the cross key grooves on the lower surface of the extension plate and matched with the circumferential positioning switching sliding blocks or the cross key grooves on the upper surface of the circumferential switching sliding blocks, the other end of the extension plate is provided with a key positioning shaft, the lower surface of the key positioning shaft is provided with cross key grooves, and the cross key grooves are internally provided with a linear key which is matched with a centripetal key groove in the cross key grooves on the upper surface of the extension plate; a T-shaped screw is arranged in a centripetal key groove in a cross-shaped key groove on the upper surface of the extension plate on the upper part of the circumferential transfer sliding block, and a pressing piece is arranged on the T-shaped screw; t-shaped screws are arranged in centripetal key grooves in cross-shaped key grooves in the upper surface of the extension plate on the upper portion of the circumferential positioning switching slide block, and guide pieces are arranged on the T-shaped screws.
7. The universal tool for cutting and machining ring segment parts according to claim 6 is used for machining on a fixed workbench type wire cut electric discharge machine, and is characterized by comprising the following steps:
the method comprises the following steps: mounting the base main body on a machine tool workbench, straightening reference surfaces on two sides of a positioning block at the large end of the base main body, and aligning the tool;
step two: installing a corresponding number of circumferential positioning switching sliders, circumferential switching sliders, extension plates and positioning joints according to the number of sections of the part to be machined, enabling one end of each extension plate to face the center of the tool, and enabling the other end of each extension plate to be flush with the outer circle of the small end of the base main body; the number of the key positioning shafts is 3-4;
step three: the extension plate is indexed, and the indexing modes of the extension plate are three, wherein the first mode is that angular center scribed lines on the inner side and the outer side of the circumferential transfer sliding block are compared with angular scale lines of an inner circle and an outer circle of the small end of the base body, so that rapid indexing is realized; secondly, a small end face centripetal key groove at the small end of the base body is used as a 0-degree position, the small end face centripetal key groove at the 0-degree position is used as an angular zero point, the circumferential transfer sliding block and the extension plate are indexed according to corresponding angles, and the indexing is realized by measuring the center distance between a positioning joint needing indexing and a positioning joint on the circumferential positioning transfer sliding block at the angular zero point; thirdly, inserting a positioning pin into the reference hole, and realizing accurate indexing of the extension plate by measuring the center distance between the positioning pin and the key positioning shaft;
step four: installing a key positioning shaft at one end of the extension plate facing to the center of the tool through a straight key, moving the key positioning shaft provided with the straight key in a centripetal key groove of the extension plate, and accurately adjusting the size of a spigot by measuring the center distance between the key positioning shaft and a positioning joint;
step five: installing and pressing a part to be processed: placing the part to be processed on the upper surface of the extension plate, enabling the side surface of the part to be processed to be in contact with the side surface of the key positioning shaft, and then pressing the pressing piece and the guide piece on the upper surface of the part to be processed;
step six: the molybdenum wire is subjected to linear interpolation of an X axis and a Z axis on the inner side of the base main body to form a required size.
8. The universal tool for cutting and machining ring segment parts as claimed in claim 6 is used for machining on a wire cut electric discharge machine of a rotary workbench, and is characterized by comprising the following specific steps:
the method comprises the following steps: mounting the base main body on a machine tool workbench, straightening reference surfaces on two sides of a positioning block at the large end of the base main body, and aligning the tool;
step two: installing a corresponding number of circumferential positioning switching sliders, circumferential switching sliders, extension plates and positioning connectors according to the number of sections of the part to be processed, enabling one end of each extension plate to face the outer side of the tool, and enabling the other end of each extension plate to be flush with the inner circle of the small end of the base main body; the number of the key positioning shafts is 3-4;
step three: the extension plate is indexed, and the indexing modes of the extension plate are three, wherein the first mode is that angular center scribed lines on the inner side and the outer side of the circumferential transfer sliding block are compared with angular scale lines of an inner circle and an outer circle of the small end of the base body, so that rapid indexing is realized; secondly, a small end face centripetal key groove at the small end of the base body is used as a 0-degree position, the small end face centripetal key groove at the 0-degree position is used as an angular zero point, the circumferential transfer sliding block and the extension plate are indexed according to corresponding angles, and the indexing is realized by measuring the center distance between a positioning joint needing indexing and a positioning joint on the circumferential positioning transfer sliding block at the angular zero point; thirdly, inserting a positioning pin into the reference hole, and realizing accurate indexing of the extension plate by measuring the center distance between the positioning pin and the key positioning shaft;
step four: installing a key positioning shaft at one end of the extension plate facing to the center of the tool through a straight key, moving the key positioning shaft provided with the straight key in a centripetal key groove of the extension plate, and accurately adjusting the size of a spigot by measuring the center distance between the key positioning shaft and a positioning joint;
step five: installing and pressing a part to be processed: installing a part to be processed on the extension plate, placing the part to be processed on the upper surface of the extension plate, enabling the side surface of the part to be processed to be in contact with the side surface of the key positioning shaft, and then pressing the pressing piece and the guide piece on the upper surface of the part to be processed;
step six: the molybdenum wire is subjected to linear interpolation of an X axis and a Z axis on the inner side of the base main body to form a required size.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111041982.5A CN113681099B (en) | 2021-09-07 | 2021-09-07 | Universal tool and method for cutting ring segment parts |
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| CN202111041982.5A CN113681099B (en) | 2021-09-07 | 2021-09-07 | Universal tool and method for cutting ring segment parts |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114888341A (en) * | 2022-05-24 | 2022-08-12 | 广东韶钢工程技术有限公司 | Device for machining shaft parts by milling machine and using method thereof |
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| CN101487345A (en) * | 2009-02-20 | 2009-07-22 | 江阴纳尔捷机器人有限公司 | Positioning fixture bench for multi-rod crossing valve type net shell node |
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