CN116944558B - Processing device and processing technology of thin-wall titanium alloy pipe - Google Patents
Processing device and processing technology of thin-wall titanium alloy pipe Download PDFInfo
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- CN116944558B CN116944558B CN202311104755.1A CN202311104755A CN116944558B CN 116944558 B CN116944558 B CN 116944558B CN 202311104755 A CN202311104755 A CN 202311104755A CN 116944558 B CN116944558 B CN 116944558B
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- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 157
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 41
- 238000003754 machining Methods 0.000 claims abstract description 40
- 238000005520 cutting process Methods 0.000 claims abstract description 34
- 206010044565 Tremor Diseases 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 238000005299 abrasion Methods 0.000 claims abstract description 7
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims abstract description 5
- 238000001125 extrusion Methods 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 29
- 230000008569 process Effects 0.000 claims description 26
- 238000003801 milling Methods 0.000 claims description 9
- 230000005489 elastic deformation Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims 3
- 238000000429 assembly Methods 0.000 claims 3
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
- B23C2222/88—Titanium
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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 discloses a processing device and a processing technology of a thin-wall titanium alloy pipe, which relate to the technical field of thin-wall processing of titanium alloy pipes, and comprise a CNC machine tool, wherein an electric telescopic rod is arranged at the inner wall of a sliding block cavity, an extension block is arranged on the outer side surface of the output end of the electric telescopic rod, a detection component is arranged in the extension block, the electric telescopic rod works according to the detection data of a pressure detection head, the motion shaft of the CNC machine tool is synchronously moved, the motion shaft is correspondingly adjusted along with the change of the machining depth, the tremble of the inner wall of the titanium alloy tube blank is rapidly reduced from the root, vibration and tremble generated in the cutting process can be reduced by stably fixing the thin-wall titanium alloy tube, the reduction of the cutting quality, the abrasion of a cutter and the machining damage are avoided, the displacement and the offset of the blank of the titanium alloy tube in the cutting process are reduced, and the accident risk caused by material instability is reduced.
Description
Technical Field
The invention relates to the technical field of thin-wall processing of titanium alloy pipes, in particular to a processing device and a processing technology of a thin-wall titanium alloy pipe.
Background
CNC machine tool refers to a machine tool controlled by computer numerical control technology. CNC is an abbreviation for computer numerical control. The CNC machine tool uses an advanced control system, and can realize accurate control of a machine tool motion axis through a preprogrammed instruction, thereby completing various complex processing tasks. CNC machine tool has extensive application in the aspect of processing thin wall titanium alloy pipe, and titanium alloy is a light and handy but high-strength metal material, commonly used in fields such as aerospace, medical instrument. The mechanical properties are excellent, the corrosion resistance is strong, but the processing difficulty is high, and when a thin-wall titanium alloy pipe is processed, proper cutting parameters are required to be selected, including cutting speed, feeding speed, cutting depth and the like. Reasonable cutting parameters can improve machining efficiency, reduce cutter abrasion, and the CNC machine tool can realize multi-axis machining through an advanced numerical control system, so that the machining device is suitable for complex appearance structures and fine machining. Common machining processes include milling, drilling, turning, and the like. For the processing of the thin-wall titanium alloy pipe, a fine and stable feeding and cutting strategy is generally adopted to avoid deformation and damage, and the processing process of the thin-wall titanium alloy pipe needs to control factors such as processing temperature, cutting force and the like to avoid the problems of excessive deformation, damage and the like of the pipe wall. In addition, the cutter size and the stability of the clamp are ensured in the processing process, so that the processing precision and quality are improved.
When the existing CNC machine tool is used for machining the thin wall of the titanium alloy pipe, tremble can not be reduced from a root, the inner wall of a blank of the titanium alloy pipe is subjected to tremble, instability in the cutting process is caused, machining accuracy is reduced, size deviation, surface quality problems and the like can be caused due to the fact that machining accuracy is reduced, severe friction and vibration between a cutter and the inner wall of the titanium alloy pipe can be caused by tremble, scratches, burrs and even breakage can be generated on the inner wall of the titanium alloy pipe, accordingly, the surface quality of a pipeline is reduced, deformation of the titanium alloy pipe can be caused in the machining process due to the instability of cutting force caused by the tremble, machining size deviation can be caused, assembly and functions of the whole part are affected, and finally, the thin wall thickness of the titanium alloy pipe is inconsistent, and the size of a product is not qualified.
Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a processingequipment of thin wall titanium alloy pipe and processing technology thereof, includes CNC lathe and installs the processing mesa at CNC machine top surface, the internally mounted of processing mesa has power pack, power pack's outside surface distribution evenly installs the circular arc board, the inside of circular arc board has seted up the circular arc ring chamber, the inner wall department of circular arc ring chamber is provided with the circular arc ring piece, the inboard surface mounting of circular arc ring piece has the inboard fixed subassembly of titanium alloy pipe, the internally mounted of circular arc board has inboard movable subassembly, the top surface mounting of circular arc board has the circular arc side piece, T shape smooth chamber has been seted up to the inside of circular arc side piece, the inside surface mounting of T shape smooth chamber has the side movable subassembly, the slider chamber has been seted up to the inside of T shape smooth chamber, the inner wall department of slider chamber installs electric telescopic handle, the outside surface mounting of electric telescopic handle output has the extension piece, the internally mounted of extension piece has the detection subassembly, the both ends surface mounting of extension piece all has closely laminating subassembly.
Further, the power assembly comprises a stepping motor and a rotating shaft, the stepping motor is arranged in the machining table top, the rotating shaft is movably arranged on the outer side surface of the output end of the stepping motor, and one end surface of the rotating shaft extends to the outer side surface of the machining table top.
Further, a driving gear is mounted on the top surface of the rotating shaft, a driven shaft is movably mounted on the top surface of the processing table top, a driven gear is mounted on the top surface of the driven shaft, and the outer side surface of the driven gear is meshed with the outer side surface of the driving gear.
Further, the inside of driven gear distributes evenly and has seted up the circular arc groove, the inside of processing mesa distributes evenly and has seted up the movable groove, the inner wall department movable mounting in movable groove has the movable block, the one end surface of movable block and the inboard fixed surface connection of circular arc board.
Further, a limit column is arranged on the top end surface of the moving block, and the outer side surface of the limit column is movably contacted with the inner wall of the circular arc groove.
Further, the titanium alloy pipe inner side fixing assembly comprises a lifting cavity and a second spring, the lifting cavity is formed in the arc ring block, the second springs are uniformly arranged at the inner wall of the lifting cavity in a distributed mode, an inner side fixing arc ring is arranged on the top end surface of the second spring, and the outer side surface of the inner side fixing arc ring is in movable contact with the inner wall of the lifting cavity.
Further, the inboard removal subassembly includes first spring and first screw thread nail groove, the inner wall department at the arc ring chamber is evenly installed to first spring distribution, the one end surface of first spring and the one end fixed surface of arc ring piece are connected, the inside at the circular arc board is seted up to first screw thread nail groove, the inner wall department movable mounting in first screw thread nail groove has first screw thread extrusion nail, be equipped with first hexagonal screw thread groove on the first screw thread extrusion nail, the one end surface of first screw thread extrusion nail and the one end surface movable contact of arc ring piece.
Further, side removes the subassembly and includes second screw thread nail groove and second screw thread extrusion nail, the inside at circular arc side piece is seted up in the second screw thread nail groove, second screw thread extrusion nail movable mounting is in the inner wall department in second screw thread nail groove, be equipped with second hexagonal screw thread groove on the second screw thread extrusion nail, the one end surface and the T shape slider one end surface movable contact of second screw thread extrusion nail.
Further, the detection assembly comprises a detection cavity and a controller, the detection cavity is formed in the extension block, the controller is installed at the inner wall of the detection cavity, a third spring is installed on one end surface of the controller, a pressure detection head is installed on one end surface of the third spring, the lengthened close fitting assembly comprises a lengthened block and a third threaded extrusion nail, the lengthened block is movably installed on the outer side surface of the extension block, third threaded nail grooves are formed in the extension block and the extension block, the third threaded extrusion nail is movably installed at the inner wall of the third threaded nail grooves, and a third hexagonal thread groove is formed in the third threaded extrusion nail.
A processing technology of a thin-wall titanium alloy tube comprises the following steps:
S1, placing a titanium alloy tube blank on a machining table top of a CNC machine tool, starting a power assembly, driving a plurality of arc plates to move synchronously by the power assembly, placing the titanium alloy tube blank on an arc ring block, extruding the titanium alloy tube blank in a lifting cavity after fixing an arc ring on the inner side, and stably fixing the titanium alloy tube blank by a plurality of arc side blocks;
S2, moving the T-shaped sliding block in the T-shaped sliding cavity in a direction away from the titanium alloy tube blank, facilitating the CNC machine tool to process the outer side of the titanium alloy tube blank, enabling the CNC machine tool to start a main shaft and a milling cutter to process most of the side edge of the titanium alloy tube blank, enabling the milling cutter to further mill holes in the titanium alloy tube blank, enabling the depth of the holes to be larger than the height of the circular arc side blocks, and reassembling the titanium alloy tube blank;
S3, reversely placing the titanium alloy tube blank again, placing the end face of the titanium alloy tube blank on the arc ring block, elastically deforming the second spring, driving the inner side fixed arc ring to move upwards by the second spring, and moving the arc ring block to the position in the arc ring cavity, so that the outer side surface of the inner side fixed arc ring is tightly attached to the inner side surface of the end face of the titanium alloy tube blank, and extrusion damage of the outer side arc side block to the end face of the titanium alloy tube blank is prevented;
S4, the CNC machine tool continues to process the unprocessed outer side surface of the titanium alloy tube blank, the outer side surface of the titanium alloy tube blank is processed, and the side moving assembly is started to enable the inner side surface of the T-shaped sliding cavity and the inner side surface of the extending block to be closely attached to the outer side surface of the titanium alloy tube blank;
S5, the inner side surface of the extension block is tightly attached to the outer side surface of the titanium alloy tube blank, so that the detection assembly is tightly attached to the outer side surface of the titanium alloy tube blank, when the CNC machine mills the titanium alloy tube blank, the inner wall of the titanium alloy tube blank is continuously extruded, the detection assembly controls the electric telescopic rod to work according to the detection data of the pressure detection head through the controller, the extension block moves synchronously along with the movement axis of the CNC machine, and corresponding adjustment is carried out on the extension block along with the change of the machining depth;
S6, the extension block moves synchronously with the motion axis of the CNC machine tool, vibration and tremble generated in the cutting process can be reduced by stably fixing the thin-wall titanium alloy pipe, and reduction of cutting quality, cutter abrasion and machining damage are avoided, so that machining precision and consistency are improved, displacement and offset of a blank of the titanium alloy pipe in the cutting process are reduced, and accident risks caused by material instability are reduced;
And S7, when the thin-wall titanium alloy tube with larger size needs to be processed, the outer side clinging area of the thin-wall titanium alloy tube is increased by lengthening the close-fitting assembly, the processing stability of the thin-wall titanium alloy tube is improved, the force and vibration generated in the cutting and processing processes can be effectively dispersed by increasing the close-fitting area, the vibration and tremble of the blank of the titanium alloy tube in the processing process are reduced, and the processing quality is improved.
Advantageous effects
The invention has the following beneficial effects:
(1) According to the machining device and the machining process of the thin-wall titanium alloy tube, the controller, the third spring, the pressure detection head, the sliding block cavity, the electric telescopic rod and the extension block are matched with each other, the electric telescopic rod is controlled to work according to detection data of the pressure detection head by the controller, the extension block moves synchronously along with a movement shaft of a CNC machine tool, the extension block is correspondingly adjusted along with change of machining depth, tremble of the inner wall of a titanium alloy tube blank is reduced from a root more rapidly, vibration and tremble generated in the cutting process can be reduced by stably fixing the thin-wall titanium alloy tube, reduction of cutting quality, cutter abrasion and machining damage are avoided, displacement and offset of a titanium alloy tube blank in the cutting process are reduced, and accident risks caused by material instability are reduced.
(2) The thin-wall titanium alloy tube processing device and the processing technology thereof pass through a stepping motor and a rotating shaft. The driving gear, the driven gear, the circular arc groove, the movable block and the circular arc plates are mutually matched, the movable block drives a plurality of circular arc plates to move, titanium alloy tube blank materials with different sizes are conveniently fixed, and the outer sides of the titanium alloy tube blank materials can be synchronously fixed, so that the device is suitable for titanium alloy tube blank materials with different sizes, the outer sides of the titanium alloy tube blank materials are synchronously fixed, more comprehensive support and stability are provided, vibration and deformation of the titanium alloy tube blank materials are reduced, the precision and consistency of a machining process are maintained, the machining precision and stability are improved, the displacement and offset of the titanium alloy tube blank materials in the cutting process are reduced, and the damage risk of the titanium alloy tube blank materials caused by the displacement and offset is reduced.
(3) The processing device of the thin-wall titanium alloy tube and the processing technology thereof are matched with the arc ring cavity, the arc ring block, the first spring, the second spring, the lifting cavity, the arc side block and the inner fixed arc ring, so that the outer side surface of the inner fixed arc ring is tightly attached to the inner side surface of the end surface of the titanium alloy tube blank to be processed, the arc side block on the outer side is prevented from extruding and damaging the end surface of the titanium alloy tube blank to be processed, the stability of the titanium alloy tube blank is improved, vibration and deformation which are possibly generated in the cutting and processing processes are reduced, and the accident risk in the processing process is reduced.
(4) According to the processing device and the processing technology of the thin-wall titanium alloy tube, the lengthened block, the third screw groove and the third screw extrusion screw are matched with each other, so that the length of the thin-wall titanium alloy tube tightly attached to the outer side of the titanium alloy tube is increased, the stability and rigidity in the processing process can be effectively improved by the larger supporting area, the force and vibration generated in the cutting and processing processes can be effectively dispersed by the increased tightly attached area, the vibration and tremble of the blank of the titanium alloy tube in the processing process are reduced, the processing quality is improved, the stronger fixing force is provided, the deformation and displacement risk of the blank of the titanium alloy tube are reduced, the shape and the size of the blank of the titanium alloy tube are kept stable, and the processing result is more accurate.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the processing table of the present invention;
FIG. 3 is a schematic view of the internal structure of the power assembly of the present invention;
FIG. 4 is a schematic view of the internal structure of the power assembly according to another aspect of the present invention;
FIG. 5 is a schematic view of the internal structure of the inner fixed component and the inner movable component of the titanium alloy tube according to the present invention;
FIG. 6 is a schematic view of the overall structure of the side shifting assembly of the present invention;
FIG. 7 is a schematic view of the internal structure of the side shifting assembly of the present invention;
FIG. 8 is a schematic view of the internal structure of the slider cavity of the present invention;
FIG. 9 is a schematic diagram of the overall structure of the detection assembly of the present invention.
In the figure, 1, CNC machine tool; 2. processing a table top; 3. a stepping motor; 4. a rotation shaft; 5. a drive gear; 6. a driven gear; 7. an arc groove; 8. a moving groove; 9. a moving block; 10. a limit column; 11. an arc plate; 12. an arc ring cavity; 13. an arc ring block; 14. a first threaded tack groove; 15. a first threaded extrusion pin; 16. a first hexagonal thread groove; 17. a first spring; 18. a lifting cavity; 19. a second spring; 20. an inner fixed arc ring; 21. arc side blocks; 22. a T-shaped sliding cavity; 23. a T-shaped slider; 24. a second threaded tack groove; 25. a second threaded extrusion pin; 26. a second hexagonal thread groove; 27. a slider cavity; 28. an electric telescopic rod; 29. an extension block; 30. a detection chamber; 31. a controller; 32. a third spring; 33. a pressure detection head; 34. a lengthening block; 35. a third threaded tack groove; 36. a third threaded extrusion pin; 37. a third hexagonal thread groove; 38. and a driven shaft.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements 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.
Referring to fig. 1 to 9, the embodiment of the present invention provides a technical solution: the utility model provides a processingequipment of thin wall titanium alloy pipe and processing technology thereof, includes CNC lathe 1 and installs the processing mesa 2 at CNC machine top surface, the internally mounted of processing mesa 2 has power pack, power pack's outside surface distribution evenly installs circular arc board 11, circular arc board 11's inside has seted up circular arc ring chamber 12, circular arc ring chamber 12's inner wall department is provided with circular arc ring piece 13, circular arc ring piece 13's inboard surface mounting has the inboard fixed subassembly of titanium alloy pipe, circular arc board 11's internally mounted has inboard movable subassembly, circular arc board 11's top surface mounting has circular arc side piece 21, circular arc side piece 21's inside has seted up T shape slide chamber 22, T shape slide chamber 22's inner wall department movable mounting has T shape slider 23, circular arc side piece 21's inboard surface mounting has side movable subassembly, the slider chamber 27 has been seted up to the inside of T shape slider 23, the inner wall department of slider chamber 27 installs electric telescopic handle 28, electric telescopic handle 28 output's outside surface mounting has extension piece 29, extension piece 29 internally mounted has extension piece 29, both sides extension piece 29 closely fit closely.
As shown in fig. 2 and 3, in some embodiments, the power assembly includes a stepper motor 3 and a rotating shaft 4, the stepper motor 3 is installed inside the processing table 2, the rotating shaft 4 is movably installed on an outer side surface of an output end of the stepper motor 3, one end surface of the rotating shaft 4 extends to the outer side surface of the processing table 2, by starting the stepper motor 3, the stepper motor 3 drives the rotating shaft 4 to perform a rotational motion, and the rotating shaft 4 drives the driving gear 5 to perform a rotational motion.
As shown in fig. 2 and 3, in some embodiments, a driving gear 5 is mounted on the top surface of the rotating shaft 4, a driven shaft 38 is movably mounted on the top surface of the processing table 2, a driven gear 6 is mounted on the top surface of the driven shaft 38, the outer side surface of the driven gear 6 is meshed with the outer side surface of the driving gear 5, the driving gear 5 drives the driven gear 6 to perform rotational movement, and the driven gear 6 drives the driven shaft 38 to perform rotational movement synchronously.
As shown in fig. 3 and fig. 4, in some embodiments, the inner distribution of the driven gear 6 is uniformly provided with circular arc grooves 7, the inner distribution of the processing table 2 is uniformly provided with moving grooves 8, the inner wall of the moving grooves 8 is movably provided with moving blocks 9, one end surface of each moving block 9 is fixedly connected with the inner side surface of each circular arc plate 11, the driven gear 6 synchronously drives a plurality of the circular arc grooves 7 to perform rotary motion, the limiting column 10 drives the moving blocks 9 to move in the moving grooves 8, the moving blocks 9 drive a plurality of the circular arc plates 11 to move, so that titanium alloy tube blanks with different sizes can be conveniently fixed, and the outer sides of the titanium alloy tube blanks can be synchronously fixed in many aspects, so that the device for fixing the outer sides of the titanium alloy tube blanks with different sizes is adapted to, more comprehensive support and stability are provided, vibration and deformation of the titanium alloy tube blanks are reduced, accuracy and consistency of the processing process are maintained, displacement and deflection of the titanium alloy tube blanks in the cutting process are improved, and risk of damage to the titanium alloy tube blanks caused by the displacement and deflection is reduced.
As shown in fig. 3 and fig. 4, in some embodiments, a limiting post 10 is mounted on the top surface of the moving block 9, the outer side surface of the limiting post 10 is movably contacted with the inner wall of the circular arc groove 7, the circular arc groove 7 synchronously encounters the limiting post 10 to squeeze, and the limiting post 10 moves in the circular arc groove 7.
As shown in fig. 3 and 5, in some embodiments, the inner fixing assembly of the titanium alloy tube includes a lifting cavity 18 and a second spring 19, the lifting cavity 18 is opened inside the arc ring block 13, the second spring 19 is uniformly installed at the inner wall of the lifting cavity 18, the top surface of the second spring 19 is provided with an inner fixing arc ring 20, the outer surface of the inner fixing arc ring 20 is movably contacted with the inner wall of the lifting cavity 18, when the titanium alloy tube blank is placed on the arc ring block 13, the titanium alloy tube blank presses the arc ring block 13, the arc ring block 13 presses the second spring 19 in the lifting cavity 18, when the end surface of the titanium alloy tube blank is placed on the arc ring block 13, the second spring 19 has elastic deformation, the second spring 19 drives the inner fixing arc ring 20 to move upwards, the position of the arc ring block 13 in the arc ring cavity 12, the outer surface of the inner fixing arc ring 20 is tightly contacted with the inner surface of the end surface of the titanium alloy tube blank, and the end surface 21 is prevented from damaging the titanium alloy tube blank.
As shown in fig. 3 and 5, in some embodiments, the inner moving assembly includes a first spring 17 and a first screw groove 14, the first spring 17 is uniformly distributed and installed at the inner wall of the arc ring cavity 12, one end surface of the first spring 17 is fixedly connected with one end surface of the arc ring block 13, the first screw groove 14 is opened inside the arc plate 11, a first screw extrusion nail 15 is movably installed at the inner wall of the first screw groove 14, a first hexagonal screw groove 16 is provided on the first screw extrusion nail 15, one end surface of the first screw extrusion nail 15 is movably contacted with one end surface of the arc ring block 13, the first hexagonal screw groove 16 is inserted by a hexagonal wrench, the first screw extrusion nail 15 is rotated to move in the first screw groove 14, so that the first screw extrusion nail 15 is separated from the arc ring block 13, the first spring 17 has elastic deformation, so that the arc ring block 13 moves in the arc ring cavity 12, so that the outer side surface of the inner fixing arc ring 20 is in contact with the inner side surface of the titanium alloy blank, and the risk of vibration and deformation of the titanium alloy blank can be reduced in the process of machining, and the vibration of the blank can be reduced in the machining process.
As shown in fig. 6 and 7, in some embodiments, the side moving assembly includes a second screw slot 24 and a second screw extrusion pin 25, where the second screw slot 24 is formed inside the circular arc side block 21, the second screw extrusion pin 25 is movably mounted on an inner wall of the second screw slot 24, a second hexagonal screw slot 26 is disposed on the second screw extrusion pin 25, one end surface of the second screw extrusion pin 25 is movably contacted with one end surface of the T-shaped slider 23, and the second screw extrusion pin 25 is inserted into the second hexagonal screw slot 26 by using a hexagonal wrench, so that the second screw extrusion pin 25 moves in the second screw extrusion pin slot 24, so that the second screw extrusion pin 25 extrudes the T-shaped slider 23, so that the T-shaped slider 23 moves in the T-shaped sliding cavity 22, the inner side surface of the extension block 29 and the inner side surface of the T-shaped slider 23 are tightly adhered to the outer side surface of the titanium alloy tube blank, and the outer side surface of the titanium alloy tube blank is conveniently limited and fixed.
As shown in fig. 6 and 9, in some embodiments, the detection assembly includes a detection cavity 30 and a controller 31, the detection cavity 30 is opened in the extension block 29, the controller 31 is installed at the inner wall of the detection cavity 30, a third spring 32 is installed on one end surface of the controller 31, a pressure detection head 33 is installed on one end surface of the third spring 32, the third spring 32 has elastic deformation, the pressure detection head 33 is tightly attached to the outer side surface of the titanium alloy tube blank, according to the detection data of the pressure detection head 33, the controller 31 is used for controlling the electric telescopic rod 28 to work, so that the extension block 29 moves synchronously following the movement axis of the CNC machine tool 1, and the corresponding adjustment is performed on the extension block 29 along with the change of the machining depth, so that the tremble of the inner wall of the titanium alloy tube blank can be reduced from the root cause, thereby the vibration and tremble generated in the cutting process can be reduced, the decrease of the cutting quality, the abrasion of the cutter and the machining damage can be avoided, the titanium alloy tube blank displacement and offset in the cutting process can be reduced, and the risk of accident caused by the material is reduced.
As shown in fig. 6 and 8, in some embodiments, the elongated close fitting assembly includes an elongated block 34 and a third threaded extrusion nail 36, the elongated block 34 is movably mounted on the outer side surface of the elongated block 29, the third threaded nail groove 35 is formed in the elongated block 34 and the elongated block 29, the third threaded extrusion nail 36 is movably mounted on the inner wall of the third threaded nail groove 35, the third threaded extrusion nail 36 is provided with a third hexagonal thread groove 37, a hexagonal wrench is inserted into the third hexagonal thread groove 37, the third threaded extrusion nail 36 moves in the third threaded nail groove 35, the elongated block 29 is fixed at two ends of the elongated block 34, the length of the elongated block closely fitting the outer side of the titanium alloy tube is increased, the larger supporting area can effectively improve stability and rigidity in the machining process, the increased close fitting area can effectively disperse force and vibration generated in the cutting and machining process, vibration and vibration of the titanium alloy tube blank in the machining process can be reduced, the vibration and vibration of the titanium alloy tube blank in the machining process can be facilitated to improve the machining quality, the fixing force of the third threaded extrusion nail 36 in the third threaded extrusion nail groove 35 can move in the third threaded extrusion nail groove 35, the length of the elongated block is increased, the length of the elongated block is close fitting closely fitting with the outer side of the titanium alloy tube is increased, the length of the elongated block is increased, and the length of the elongated block is greater than the length of the elongated block is greater than the length due to the length of the elongated blank.
A processing technology of a thin-wall titanium alloy tube comprises the following steps:
S1, placing a titanium alloy tube blank on a machining table top 2 of a CNC machine tool 1, starting a power assembly, driving a plurality of arc plates 11 to move synchronously by the power assembly, placing the titanium alloy tube blank on an arc ring block 13, extruding an inner fixed arc ring 20 by the titanium alloy tube blank in a lifting cavity 18, and stably fixing the titanium alloy tube blank by a plurality of arc side blocks 21;
S2, moving the T-shaped sliding block 23 in the T-shaped sliding cavity 22 in a direction away from the titanium alloy tube blank, facilitating the CNC machine tool 1 to process the outer side of the titanium alloy tube blank, starting a main shaft and a milling cutter by the CNC machine tool 1 to process most of the side edges of the titanium alloy tube blank, further milling holes in the titanium alloy tube blank by the milling cutter, wherein the hole depth is larger than the height of the arc side block 21, and reassembling the titanium alloy tube blank;
S3, reversely placing the titanium alloy tube blank again, placing the end face of the titanium alloy tube blank on the arc ring block 13, enabling the second spring 19 to have elastic deformation, enabling the second spring 19 to drive the inner side fixing arc ring 20 to move upwards, moving the arc ring block 13 to be positioned in the arc ring cavity 12, enabling the outer side surface of the inner side fixing arc ring 20 to be tightly attached to the inner side surface of the end face of the titanium alloy tube blank, and preventing the outer side arc side block 21 from causing extrusion damage to the end face of the titanium alloy tube blank;
S4, the CNC machine tool 1 continues to process the unprocessed outer side surface of the titanium alloy tube blank, the outer side surface of the titanium alloy tube blank is processed, and the side moving assembly is started to enable the inner side surface of the T-shaped sliding cavity 22 and the inner side surface of the extension block 29 to be closely attached to the outer side surface of the titanium alloy tube blank;
S5, the inner side surface of the extension block 29 is tightly attached to the outer side surface of the titanium alloy tube blank, so that a detection assembly is tightly attached to the outer side surface of the titanium alloy tube blank, when the CNC machine tool 1 mills the titanium alloy tube blank, the inner wall of the titanium alloy tube blank is continuously extruded, the detection assembly controls the electric telescopic rod 28 to work according to detection data of the pressure detection head 33 through the controller 31, the extension block 29 moves synchronously along with the movement axis of the CNC machine tool 1, and corresponding adjustment is carried out on the extension block 29 along with the change of the machining depth;
S6, the extension block 29 moves synchronously along the motion axis of the CNC machine tool 1, so that vibration and tremble generated in the cutting process can be reduced, the reduction of cutting quality, cutter abrasion and machining damage can be avoided, the machining precision and consistency are improved, the displacement and offset of a blank of the titanium alloy tube in the cutting process are reduced, and the accident risk caused by material instability is reduced;
And S7, when the thin-wall titanium alloy tube with larger size needs to be processed, the outer side clinging area of the thin-wall titanium alloy tube is increased by lengthening the close-fitting assembly, the processing stability of the thin-wall titanium alloy tube is improved, the force and vibration generated in the cutting and processing processes can be effectively dispersed by increasing the close-fitting area, the vibration and tremble of the blank of the titanium alloy tube in the processing process are reduced, and the processing quality is improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The utility model provides a processingequipment of thin wall titanium alloy pipe, includes CNC lathe (1) and installs processing mesa (2) at CNC machine top surface, its characterized in that: the inside of the processing table top (2) is provided with a power component, the outer side surface of the power component is uniformly provided with an arc plate (11), an arc ring cavity (12) is formed in the arc plate (11), an arc ring block (13) is arranged at the inner wall of the arc ring cavity (12), the inner side surface of the arc ring block (13) is provided with a titanium alloy tube inner side fixing component, the inside of the arc plate (11) is provided with an inner side moving component, the top surface of the arc plate (11) is provided with an arc side block (21), T-shaped sliding cavities (22) are formed in the arc-shaped side blocks (21), T-shaped sliding blocks (23) are movably mounted at the inner wall of each T-shaped sliding cavity (22), side moving assemblies are mounted on the inner side surfaces of the arc-shaped side blocks (21), sliding block cavities (27) are formed in the T-shaped sliding blocks (23), electric telescopic rods (28) are mounted at the inner wall of each sliding block cavity (27), extension blocks (29) are mounted on the outer side surfaces of the output ends of the electric telescopic rods (28), detection assemblies are mounted in the extension blocks (29), lengthening close fitting assemblies are mounted on the surfaces of two ends of each extension block (29), The power component comprises a stepping motor (3) and a rotating shaft (4), the stepping motor (3) is arranged in a processing table top (2), the rotating shaft (4) is movably arranged on the outer side surface of the output end of the stepping motor (3), one end surface of the rotating shaft (4) extends to the outer side surface of the processing table top (2), a driving gear (5) is arranged on the top surface of the rotating shaft (4), a driven shaft (38) is movably arranged on the top surface of the processing table top (2), a driven gear (6) is arranged on the top surface of the driven shaft (38), the outer side surface of the driven gear (6) is meshed with the outer side surface of the driving gear (5), the inside distribution of driven gear (6) has evenly offered circular arc groove (7), the inside distribution of processing mesa (2) has evenly offered movable groove (8), the inner wall department movable mounting of movable groove (8) has movable block (9), the one end surface of movable block (9) is fixedly connected with the inboard surface of circular arc board (11), the top surface mounting of movable block (9) has spacing post (10), the outside surface of spacing post (10) and the inner wall department movable contact of circular arc groove (7), detection subassembly includes detection chamber (30) and controller (31), the inside at extension piece (29) is offered in detection chamber (30), The controller (31) is arranged at the inner wall of the detection cavity (30), a third spring (32) is arranged at one end surface of the controller (31), a pressure detection head (33) is arranged at one end surface of the third spring (32), the lengthened close fitting assembly comprises a lengthened block (34) and a third threaded extrusion nail (36), the lengthened block (34) is movably arranged on the outer side surface of the extension block (29), a third threaded nail groove (35) is formed in the lengthened block (34) and the extension block (29), the third threaded extrusion nail (36) is movably arranged at the inner wall of the third threaded nail groove (35), The third threaded extrusion nail (36) is provided with a third hexagonal thread groove (37).
2. The processing device for a thin-walled titanium alloy tube according to claim 1, wherein: the titanium alloy pipe inner side fixing assembly comprises a lifting cavity (18) and a second spring (19), wherein the lifting cavity (18) is arranged in the arc ring block (13), the second spring (19) is uniformly distributed and arranged at the inner wall of the lifting cavity (18), an inner side fixing arc ring (20) is arranged on the top end surface of the second spring (19), and the outer side surface of the inner side fixing arc ring (20) is in movable contact with the inner wall of the lifting cavity (18).
3. The processing device for a thin-walled titanium alloy tube according to claim 2, wherein: the inner side moving assembly comprises a first spring (17) and a first threaded nail groove (14), the first spring (17) is uniformly distributed and installed at the inner wall of the arc ring cavity (12), one end surface of the first spring (17) is fixedly connected with one end surface of the arc ring block (13), the first threaded nail groove (14) is formed in the arc plate (11), a first threaded extrusion nail (15) is movably installed at the inner wall of the first threaded nail groove (14), a first hexagonal threaded groove (16) is formed in the first threaded extrusion nail (15), and one end surface of the first threaded extrusion nail (15) is in movable contact with one end surface of the arc ring block (13).
4. A thin-walled titanium alloy tube processing apparatus as claimed in claim 3, wherein: the side removes subassembly and includes second screw thread nail groove (24) and second screw thread extrusion nail (25), the inside at circular arc side piece (21) is seted up in second screw thread nail groove (24), second screw thread extrusion nail (25) movable mounting is in the inner wall department in second screw thread nail groove (24), be equipped with second hexagonal screw thread groove (26) on second screw thread extrusion nail (25), the one end surface and the one end surface movable contact of T shape slider (23) of second screw thread extrusion nail (25).
5. A processing technology of a thin-wall titanium alloy tube, which is applied to the processing device of the thin-wall titanium alloy tube as claimed in claim 4, and is characterized in that: the method comprises the following steps:
S1, placing a titanium alloy tube blank on a machining table board (2) of a CNC machine tool (1), starting a power assembly, synchronously driving a plurality of arc plates (11) to move by the power assembly, placing the titanium alloy tube blank on an arc ring block (13), extruding an inner side fixed arc ring (20) into a lifting cavity (18) by the titanium alloy tube blank, and stably fixing the titanium alloy tube blank by a plurality of arc side blocks (21);
S2, moving a T-shaped sliding block (23) in a T-shaped sliding cavity (22) in a direction away from the titanium alloy tube blank, facilitating a CNC machine tool (1) to process the outer side of the titanium alloy tube blank, starting a main shaft and a milling cutter by the CNC machine tool (1) to process most of the side edges of the titanium alloy tube blank, milling holes in the titanium alloy tube blank by the milling cutter, wherein the depth of each hole is larger than the height of an arc side block (21), and reassembling the titanium alloy tube blank;
S3, reversely placing the titanium alloy tube blank again, placing the end face of the titanium alloy tube blank on the arc ring block (13), enabling the second spring (19) to have elastic deformation, driving the inner side fixing arc ring (20) to move upwards by the second spring (19), moving the arc ring block (13) to the position in the arc ring cavity (12), enabling the outer side surface of the inner side fixing arc ring (20) to be tightly attached to the inner side surface of the end face of the titanium alloy tube blank, and preventing the outer side arc side block (21) from causing extrusion damage to the end face of the titanium alloy tube blank;
S4, the CNC machine tool (1) continues to process the unprocessed outer side surface of the titanium alloy tube blank, the outer side surface of the titanium alloy tube blank is processed, and the side moving assembly is started to enable the inner side surface of the T-shaped sliding cavity (22) and the inner side surface of the extending block (29) to be closely attached to the outer side surface of the titanium alloy tube blank;
S5, the inner side surface of the extension block (29) is tightly attached to the outer side surface of the titanium alloy tube blank, so that the detection assembly is tightly attached to the outer side surface of the titanium alloy tube blank, when the CNC machine tool (1) mills the titanium alloy tube blank, the inner wall of the titanium alloy tube blank is continuously extruded, the detection assembly controls the electric telescopic rod (28) to work through the controller (31) according to the detection data of the pressure detection head (33), the extension block (29) moves synchronously along with the movement axis of the CNC machine tool (1), and the extension block (29) is correspondingly adjusted along with the change of the processing depth;
S6, the extension block (29) moves synchronously along the movement axis of the CNC machine tool (1), so that vibration and tremble generated in the cutting process can be reduced, the reduction of the cutting quality, the abrasion of a cutter and the machining damage can be avoided, the machining precision and consistency are improved, the displacement and offset of a blank of the titanium alloy tube in the cutting process are reduced, and the accident risk caused by material instability is reduced;
And S7, when the thin-wall titanium alloy tube with larger size needs to be processed, the outer side clinging area of the thin-wall titanium alloy tube is increased by lengthening the close-fitting assembly, the processing stability of the thin-wall titanium alloy tube is improved, the force and vibration generated in the cutting and processing processes can be effectively dispersed by increasing the close-fitting area, the vibration and tremble of the blank of the titanium alloy tube in the processing process are reduced, and the processing quality is improved.
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| CN118204791B (en) * | 2024-03-09 | 2025-10-17 | 南京航空航天大学 | Lifting repeated positioning clamping method and device for finish machining threads of thin-wall disc parts |
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| CN112846851A (en) * | 2021-01-04 | 2021-05-28 | 张晓民 | Machining and positioning method for anti-deformation thin-wall pipe fitting |
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| CN113909821B (en) * | 2021-10-28 | 2023-03-28 | 航天精工股份有限公司 | Precise numerical control machining method for titanium alloy thin-wall lens barrel part |
| CN218591888U (en) * | 2022-12-07 | 2023-03-10 | 瑞阳机械自动化(沈阳)有限公司 | Novel thin-wall titanium alloy barrel turning device |
| CN116117212B (en) * | 2023-03-10 | 2025-12-30 | 北京星航机电装备有限公司 | Milling dies and machining methods for thin-walled parts |
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| CN110091197A (en) * | 2019-06-14 | 2019-08-06 | 西南石油大学 | A kind of device and method of automatic inhibition thin-walled revolution workpiece milling vibration |
| CN112846851A (en) * | 2021-01-04 | 2021-05-28 | 张晓民 | Machining and positioning method for anti-deformation thin-wall pipe fitting |
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