CN218656913U - Ultrasonic drilling device suitable for machining ectopic holes of turbocharger shell - Google Patents
Ultrasonic drilling device suitable for machining ectopic holes of turbocharger shell Download PDFInfo
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- CN218656913U CN218656913U CN202222852431.3U CN202222852431U CN218656913U CN 218656913 U CN218656913 U CN 218656913U CN 202222852431 U CN202222852431 U CN 202222852431U CN 218656913 U CN218656913 U CN 218656913U
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Abstract
The utility model provides an supersound drilling device suitable for processing of turbo charger casing dystopy hole, including the lathe main shaft, main processing supersound drilling mechanism, two pair processing supersound drilling mechanisms and CNC machining center, the vertical rotation that runs through of lathe main shaft sets up in the lathe box, the lathe box is stretched out to the lower extreme of lathe main shaft, axial sliding connection between lathe main shaft and the lathe box, main processing drilling mechanism is installed on the lathe main shaft with the center, two pair processing supersound drilling mechanism structures are the same and bilateral symmetry set up, two pair processing supersound drilling mechanisms are slidable mounting about main processing supersound drilling mechanism respectively, CNC machining center is respectively with main processing supersound drilling mechanism and two pair processing supersound drilling mechanism signal connection. The utility model discloses aim at solving current difficult processing material turbocharger casing dystopy hole machining precision poor, the single scheduling problem of process, improve system hole precision and machining efficiency.
Description
Technical Field
The utility model relates to a machinery processing technology field, specific theory relates to an supersound drilling device suitable for processing of turbo charger casing dystopy hole.
Background
The turbocharger mainly comprises a pump wheel and a turbine, and is mainly used for improving the air inflow of an engine and further improving the output power of the engine.
Aiming at the difficult processing materials such as high-temperature alloy, heat-resistant cast iron steel and the like, the processing difficulty of holes is obviously improved, the traditional drilling process is difficult to meet the processing requirements, and the traditional drilling process has great limitations, such as the problems of large cutting force, difficult chip removal, serious tool abrasion, low processing precision and the like.
Ultrasonic vibration drilling is a special machining method in which high-frequency vibrations of a certain amplitude are applied to a tool during machining. Compared with the traditional drilling method, the ultrasonic vibration drilling can greatly reduce cutting force/heat, inhibit orifice burrs, improve the processing precision and prolong the service life of the cutter, and has good application prospect in the drilling processing of difficult-to-process materials.
Aiming at complex curved surface parts such as a turbocharger shell, usually a plurality of ectopic holes need to be drilled, but the current common method in a triaxial machining center is to drill one hole in each process, and the machining of the ectopic holes can be completed only by clamping for a plurality of times, so that the problems of large machining error, low production efficiency, high labor intensity and the like exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an supersound drilling device suitable for processing of turbo charger casing dystopy hole, the utility model discloses aim at solving current difficult processing material turbo charger casing dystopy hole machining precision poor, the single scheduling problem of process, improve system hole precision and machining efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an supersound drilling device suitable for processing of turbo charger casing dystopy spot facing work, including the lathe main shaft, main processing supersound drilling mechanism, two vice processing supersound drilling mechanisms and CNC machining center, the vertical rotation that runs through of lathe main shaft sets up in the lathe box, the lathe box is stretched out to the lower extreme of lathe main shaft, sliding connection between lathe main shaft and the lathe box axial, main processing drilling mechanism is concentric to be installed on the lathe main shaft, two vice processing supersound drilling mechanism structures are the same and bilateral symmetry sets up, sliding installation is about main processing supersound drilling mechanism's left and right sides about two vice processing supersound drilling mechanisms respectively, CNC machining center is with main processing supersound drilling mechanism and two vice processing supersound drilling mechanism signal connection respectively.
The main processing drilling mechanism comprises a light high-strength main box body, a main processing ultrasonic tool shank, a first primary and secondary coil, a first ultrasonic transducer, a first composite amplitude transformer, a main tool and a first ultrasonic vibration controller, wherein a vertically through first shaft hole is vertically formed in the middle of the light high-strength main box body, and the main processing ultrasonic tool shank, the first composite amplitude transformer and the main tool are coaxial and vertical and are sequentially arranged from top to bottomThe device comprises a main processing ultrasonic knife handle, a first high-precision bearing embedded in a first shaft hole is sleeved on the outer circumferences of the upper side part and the lower side part of the main processing ultrasonic knife handle in a concentric rotating manner, a first snap spring for limiting the axial movement of the first high-precision bearing is fixedly embedded on the main processing ultrasonic knife handle, the upper end of the main processing ultrasonic knife handle is coaxially and fixedly connected with the lower end of a machine tool spindle through a blind rivet, a feeding groove is formed in the center of the top of a light high-strength main box body, the lower side part of the machine tool box body extends into the feeding groove in a concentric manner, key grooves are vertically formed in the left side wall and the right side wall of the machine tool box body, two bilaterally symmetrical feather keys which are positioned in the feeding groove are fixedly mounted on the light high-strength main box body, the two feather keys are respectively embedded in the two key grooves in a corresponding sliding manner, and the left and right sides of the light high-strength main box body are bilaterally symmetrical feather keys, the left side surface of the light high-strength main box body is a conical surface which is obliquely arranged in a left-high-right direction, the left side surface and the right side surface of the light high-strength main box body are respectively provided with a first transmission hole along the left-right direction, the two first transmission holes are symmetrically arranged in the left-right direction, the right end of the first transmission hole on the left side and the left end of the first transmission hole on the right side are respectively communicated with the middle part of the first shaft hole, the middle part of the main processing ultrasonic knife handle is fixedly provided with a first bevel gear, the lower end of the main processing ultrasonic knife handle downwards extends out of the lower end of the first shaft hole, a first primary and secondary coil is fixedly sleeved at the lower end part of the main processing ultrasonic knife handle, the main processing ultrasonic knife handle is of a hollow structure, a first ultrasonic transducer is fixedly arranged at the inner bottom part of the main processing ultrasonic knife handle, the upper end of a first composite amplitude transformer is butted with the lower end of the main processing ultrasonic knife handle and fixedly connected with the lower end of the first ultrasonic transducer through a screw, a main cutter is fixedly arranged at the lower end of the first composite amplitude transformer, the primary side coil of the first primary and secondary coil is connected with the first ultrasonic vibration controller through a wire signal, the secondary side coil of the first primary and secondary coil is arranged in the main processing ultrasonic knife handle and is connected with the first ultrasonic transducer through a wire signal, the left side surface and the right side surface of the light high-strength main box body are respectively provided with a linear motor, the two linear motors are same in structure and are arranged in a bilateral symmetry manner, and the guide rail of the left linear motor is laid from top to bottom along the inclined direction of the left side surface of the light high-strength main box body and is vertically laid with the guide rail of the left linear motorAngle of direction isθThe two auxiliary machining ultrasonic drilling mechanisms are respectively and fixedly installed on the sliding seats of the two linear motors, transmission mechanisms are arranged in the two first transmission holes in a rotating mode, the two transmission mechanisms are identical in structure and are arranged in a bilateral symmetry mode, and the CNC machining center is respectively connected with the first ultrasonic vibration controller and the two linear motors through wire signals.
The left auxiliary processing ultrasonic drilling mechanism comprises a light high-strength auxiliary box body, an auxiliary processing ultrasonic tool handle, a second primary auxiliary coil, a second ultrasonic transducer, a second composite amplitude transformer, an auxiliary tool and a second ultrasonic vibration controller, wherein the central axis of the light high-strength auxiliary box body is obliquely arranged in the left-high and right-low mode and forms an included angle with the vertical directionα，αIs less thanθThe included angle between the central axis of the light high-strength auxiliary box body and the guide rail of the linear motor on the left side isβThe middle part of the light high-strength auxiliary box body is provided with a second shaft hole which is through up and down along the direction of the central axis of the light high-strength auxiliary box body, the top of the light high-strength auxiliary box body is fixedly provided with an end cover which is plugged at the upper end of the second shaft hole, the middle part of the light high-strength auxiliary box body is provided with a second transmission hole which is through left and right and is vertically communicated with the second shaft hole, the right end of the second transmission hole is correspondingly communicated with the left end of the first transmission hole on the left side, the right side surface of the light high-strength auxiliary box body is parallel to the left side surface of the light high-strength main box body, the light high-strength auxiliary box body is fixedly arranged on a sliding seat of a linear motor on the left side, an auxiliary processing ultrasonic knife handle, a second composite amplitude transformer and an auxiliary knife tool are coaxially arranged in sequence from top to bottom along the central axis of the light high-strength auxiliary box body, the auxiliary processing ultrasonic knife handle rotates concentrically and is arranged in the second shaft hole, second high-precision bearings embedded in the second shaft hole are sleeved on the outer circumferences of the upper side part and the lower side part of the auxiliary processing ultrasonic knife handle, a second clamp spring limiting axial movement of the second high-precision bearings is fixedly embedded and sleeved on the auxiliary processing ultrasonic knife handle, a second bevel gear is fixedly mounted in the middle of the auxiliary processing ultrasonic knife handle, the lower end of the auxiliary processing ultrasonic knife handle extends downwards out of the lower end of the second shaft hole, a second primary secondary coil is fixedly sleeved at the lower end of the auxiliary processing ultrasonic knife handle, the auxiliary processing ultrasonic knife handle is of a hollow structure, and a second ultrasonic transducer is fixedly mounted at the inner bottom of the auxiliary processing ultrasonic knife handleThe upper end of a second composite amplitude transformer is butted with the lower end of the auxiliary processing ultrasonic tool handle and is fixedly connected with the lower end of a second ultrasonic transducer through a screw, an auxiliary tool is fixedly arranged at the lower end of the second composite amplitude transformer, a primary side coil of a second primary and secondary coil is connected with a second ultrasonic vibration controller through a lead signal, a secondary side coil of the second primary and secondary coil is arranged in the auxiliary processing ultrasonic tool handle and is connected with the second ultrasonic transducer through a lead signal, and a CNC (computer numerical control) processing center is connected with the second ultrasonic vibration controller through a lead signal;
the main processing ultrasonic knife handle is in transmission connection with the two auxiliary processing ultrasonic knife handles through two transmission mechanisms.
The left transmission mechanism comprises a first transmission shaft, a second transmission shaft and a third transmission shaft, the first transmission shaft, the second transmission shaft and the third transmission shaft are sequentially connected from right to left and are rotatably arranged in a left first transmission hole, the first transmission shaft is horizontally arranged along the left-right direction, a third bevel gear which is positioned on the left side of the first bevel gear and is in meshed transmission with the first bevel gear is fixedly installed at the right end of the first transmission shaft, third high-precision bearings which are embedded in the right side part of the first transmission hole are respectively sleeved on the outer circumferences of the left side part and the right side part of the first transmission shaft, a third clamp spring which limits the axial movement of the third high-precision bearings is fixedly embedded and sleeved on the first transmission shaft, the second transmission shaft and the third transmission shaft are respectively arranged along the left-right direction, the third transmission shaft is perpendicular to an auxiliary processing ultrasonic knife handle, the left end of the first transmission shaft is connected with the right end of the second transmission shaft and the left end of the second transmission shaft through a ball cage type universal coupling, the left end of the third transmission shaft extends out of the left first transmission hole and extends into the right side part of the left transmission hole, a fourth clamp spring which limits the axial movement of the fourth transmission shaft is fixedly embedded and is installed on the outer circumference of the right side of the fourth transmission shaft, and the fourth clamp spring is fixedly embedded and is connected with the right side of the fourth transmission shaft.
And the lower side part of the left side surface and the lower side part of the right side surface of the light high-strength main box body are fixedly provided with limit blocks which are positioned at the lower sides of the corresponding light high-strength auxiliary box bodies and limit the corresponding light high-strength auxiliary box bodies to move downwards to limit positions.
The first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear are right-angle bevel gears, and the main cutter and the auxiliary cutter are standard twist drills.
By adopting the technical scheme, the ultrasonic drilling method suitable for machining the ectopic holes of the turbocharger shell comprises the following steps:
1. the ultrasonic drilling device suitable for machining the abnormal hole of the turbocharger shell is arranged on the machine tool box body;
2. installing a turbocharger shell to be machined right below the ultrasonic drilling device suitable for machining the ectopic hole of the turbocharger shell, and enabling a main machining drilling mechanism and two auxiliary machining ultrasonic drilling mechanisms to be respectively positioned right above three ectopic holes to be machined on the turbocharger shell;
3. inputting the parameters of the three ectopic holes into a machining program built in a CNC machining center, and setting drilling parameters;
4. and starting the machine tool, and controlling the main processing ultrasonic drilling mechanism and the two auxiliary processing ultrasonic drilling mechanisms to feed downwards simultaneously by the CNC processing center to realize one-time feeding and simultaneous processing of three different position holes on the turbocharger shell.
The step (II) is specifically as follows: the turbocharger casing fixed mounting who will treat processing just is located this supersound drilling device who is applicable to the processing of turbocharger casing dystopy hole on the grip slipper of lathe, makes main cutter and two vice cutters be located the three dystopy hole of treating processing on the turbocharger casing respectively directly over, and the axis of main processing supersound handle of a knife and two vice processing supersound handles of a knife coincides with the axis in the dystopy hole of treating processing of three on the turbocharger casing respectively.
The step (IV) is specifically as follows: starting the machine tool, controlling the machine tool spindle to rotate by the CNC machining center, simultaneously controlling the machine tool spindle to vertically feed downwards, driving the light-weight high-strength main box body to vertically feed downwards by the main machining ultrasonic cutter handle, driving the two light-weight high-strength auxiliary boxes body to vertically feed downwards by the light-weight high-strength main box body, simultaneously driving the main machining ultrasonic cutter handle to rotate by the machine tool spindle, controlling the two linear motors to respectively drive the two light-weight high-strength auxiliary boxes body to synchronously move downwards along respective guide rails when the main machining ultrasonic cutter handle and the two auxiliary machining ultrasonic cutter handles are vertically fed downwards by the main machining ultrasonic cutter handle and the corresponding ball-cage universal coupling, further enabling the two auxiliary machining ultrasonic cutter handles to further have the guide rails of the corresponding linear motors to move downwards, adjusting the feeding motion of the corresponding auxiliary machining ultrasonic cutters in the two motion directions, thereby enabling the two auxiliary machining ultrasonic cutter handles to synthesize a sine-shaped feeding hole corresponding to the two ultrasonic vibration handles in the two motion directions, enabling the two auxiliary machining ultrasonic vibration transducers to respectively generate a first ultrasonic vibration controller and a second ultrasonic vibration controller, and the two ultrasonic vibration transducers to respectively control the two ultrasonic vibration transducers to generate a first ultrasonic vibration controller and a second ultrasonic vibration controller in the two ultrasonic vibration controllers in the two ultrasonic vibration processing ultrasonic vibration controllers in the two ultrasonic vibration directions, so that the two ultrasonic vibration controllers are respectively corresponding ultrasonic vibration controllers and the two ultrasonic transducers and the ultrasonic vibration controllers in the two ultrasonic vibration process ultrasonic vibration controllers, ultrasonic vibration passes through corresponding first compound amplitude transformer and the transmission of the compound amplitude transformer of second again and gives main tool and vice cutter, realize required drilling effect, main tool and two vice cutters just carry out drilling processing to the turbo charger casing, realize once feeding three dystopy hole on the simultaneous processing turbo charger casing, in processing, make the adjustment to the vibration parameter through first ultrasonic vibration controller and two ultrasonic vibration controllers of second, in order to reach accurate control drilling orbit, realize the high quality processing in hole.
The utility model discloses relative prior art has substantive characteristics and progress, specifically speaking, the utility model discloses possess following effect:
(1) The utility model discloses on the basis of traditional drilling, adopt supersound auxiliary technology to drill difficult processing material turbo charger casing, realize that the smear metal changes the effect of discharge, cutting temperature is low, the rate of wear slows down, drilling quality promotes.
(2) The utility model discloses on the basis of haplopore drilling, make main processing supersound handle of a knife pass through drive mechanism and two linear electric motor and link two vice processing supersound handle of a knife feed work simultaneously, realize once feeding and can carry out supersound drilling to three dystopy hole on the turbo charger casing, guarantee the machining precision, improve machining efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the turbocharger housing after the drilling of the ectopic hole.
FIG. 3 is a schematic sectional view of the main ultrasonic knife handle of the present invention
Fig. 4 is a schematic view of the feeding motion vector of the ultrasonic knife handle of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1-4, an ultrasonic drilling device suitable for machining ectopic holes of a turbocharger shell, comprising a machine tool main shaft 4, a main machining ultrasonic drilling mechanism, two auxiliary machining ultrasonic drilling mechanisms and a CNC machining center 1, wherein the machine tool main shaft 4 is vertically penetrated and rotated to be arranged in a machine tool box body 5, the lower end of the machine tool main shaft 4 extends out of the machine tool box body 5, the machine tool main shaft 4 is connected with the machine tool box body 5 in an axial sliding manner, the main machining drilling mechanism is concentrically arranged on the machine tool main shaft 4, the two auxiliary machining ultrasonic drilling mechanisms are same in structure and are arranged in bilateral symmetry, the two auxiliary machining ultrasonic drilling mechanisms are respectively arranged on the left side and the right side of the main machining ultrasonic drilling mechanism in an up-and-down sliding manner, and the CNC machining center 1 is respectively in signal connection with the main machining ultrasonic drilling mechanism and the two auxiliary machining ultrasonic drilling mechanisms.
The main processing drilling mechanism comprises a light high-strength main box body 6, a main processing ultrasonic knife handle 7 and a second processing ultrasonic knife handleAn original secondary coil 8, a first ultrasonic transducer 9, a first composite amplitude transformer 10, a main cutter 11 and a first ultrasonic vibration controller 12, wherein a first shaft hole 13 which is through up and down is vertically formed in the middle of the light high-strength main box body 6, a main processing ultrasonic cutter handle 7, the first composite amplitude transformer 10 and the main cutter 11 are coaxially and vertically arranged from top to bottom in sequence, the main processing ultrasonic cutter handle 7 is concentrically and rotatably arranged in the first shaft hole 13, first high-precision bearings 14 embedded in the first shaft hole 13 are sleeved on the outer circumferences of the upper side part and the lower side part of the main processing ultrasonic cutter handle 7, a first snap spring 15 for limiting the axial movement of the first high-precision bearings 14 is fixedly embedded on the main processing ultrasonic cutter handle 7, the upper end of the main processing ultrasonic cutter handle 7 is coaxially and fixedly connected with the lower end of a machine tool main shaft 4 through a pull nail 16, a feeding groove 17 is formed in the center of the top of the light high-strength main box body 6, the lower side part of the machine tool box body 5 concentrically extends into the feeding groove 17, key grooves are vertically formed in the left side wall and the right side wall of the machine tool box body 5, two sliding keys 18 which are bilaterally symmetrical and are positioned in the feeding groove 17 are fixedly installed on the light high-strength main box body 6, the two sliding keys 18 are correspondingly and slidably embedded in the two key grooves respectively, the left side surface and the right side surface of the light high-strength main box body 6 are bilaterally symmetrical, the left side surface of the light high-strength main box body 6 is a conical surface which is obliquely arranged in a high left and low right direction, first transmission holes 19 are formed in the left side surface and the right side surface of the light high-strength main box body 6 in the left and right direction, the two first transmission holes 19 are bilaterally symmetrical, the right end of the left first transmission hole 19 and the left end of the right first transmission hole 19 are both communicated with the middle part of the first shaft hole 13, and a first bevel gear 20 is fixedly installed in the middle part of the main processing ultrasonic tool 7, the lower end of a main processing ultrasonic knife handle 7 extends downwards to the lower end of a first shaft hole 13, a first primary and secondary coil 8 is fixedly sleeved at the lower end of the main processing ultrasonic knife handle 7, the main processing ultrasonic knife handle 7 is of a hollow structure, a first ultrasonic transducer 9 is fixedly arranged at the inner bottom of the main processing ultrasonic knife handle 7, the upper end of a first composite amplitude transformer 10 is in butt joint with the lower end of the main processing ultrasonic knife handle 7 and is fixedly connected with the lower end of the first ultrasonic transducer 9 through a screw, a main cutter 11 is fixedly arranged at the lower end of the first composite amplitude transformer 10, a primary coil of the first primary and secondary coil 8 is connected with a first ultrasonic vibration controller 12 through a lead signal, and the first primary and secondary coil is connected with the first ultrasonic vibration controller 12 through a lead signalThe secondary side coil of the coil 8 is arranged in the main processing ultrasonic knife handle 7 and is connected with the first ultrasonic transducer 9 through a wire signal, the linear motors 21 are arranged on the left side surface and the right side surface of the light high-strength main box body 6, the two linear motors 21 are identical in structure and are arranged in a bilateral symmetry mode, the guide rail of the left linear motor 21 is laid from top to bottom along the inclined direction of the left side surface of the light high-strength main box body 6, and the guide rail of the left linear motor 21 is arranged at an included angle with the vertical direction from top to bottom along the inclined direction of the left side surface of the light high-strength main box body 6θThe two auxiliary processing ultrasonic drilling mechanisms are respectively and fixedly installed on the sliding seats of the two linear motors 21, transmission mechanisms are arranged in the two first transmission holes 19 in a rotating mode, the two transmission mechanisms are identical in structure and are arranged in a bilateral symmetry mode, and the CNC machining center 1 is respectively connected with the first ultrasonic vibration controller 12 and the two linear motors 21 through lead signals.
The left auxiliary processing ultrasonic drilling mechanism comprises a light high-strength auxiliary box body 22, an auxiliary processing ultrasonic tool handle 23, a second primary and secondary coil 24, a second ultrasonic transducer, a second composite amplitude transformer 25, an auxiliary tool 26 and a second ultrasonic vibration controller 27, wherein the central axis of the light high-strength auxiliary box body 22 is obliquely arranged in the left-high and right-low mode, and the included angle between the central axis of the light high-strength auxiliary box body and the vertical direction isα，αIs less thanθThe included angle between the central axis of the light high-strength auxiliary box body 22 and the guide rail of the linear motor 21 on the left side isβThe middle part of the light high-strength auxiliary box body 22 is provided with a second shaft hole 28 which is through up and down along the central axis direction, the top of the light high-strength auxiliary box body 22 is fixedly provided with an end cover 29 which is plugged at the upper end of the second shaft hole 28, the middle part of the light high-strength auxiliary box body 22 is provided with a second transmission hole 30 which is through left and right along the left and right direction and is vertically communicated with the second shaft hole 28, the right end of the second transmission hole 30 is correspondingly communicated with the left end of the first transmission hole 19 on the left side, the right side surface of the light high-strength auxiliary box body 22 is parallel to the left side surface of the light high-strength main box body 6, the light high-strength auxiliary box body 22 is fixedly arranged on a sliding seat of the linear motor 21 on the left side, an auxiliary processing ultrasonic knife handle 23, a second composite amplitude-changing rod 25 and an auxiliary knife 26 are coaxially arranged from top to bottom along the central axis of the light high-strength auxiliary box body 22 in sequence, the auxiliary processing ultrasonic knife handle 23 is arranged in the second shaft hole 28 in a rotating way along the same center, the outer circumference of the upper side part and the lower side part of the auxiliary processing ultrasonic knife handle 23 are all sleeved with and embedded on the first processing ultrasonic holeA second high-precision bearing 31 is arranged in the two shaft holes 28, a second snap spring 32 for limiting the axial movement of the second high-precision bearing 31 is fixedly nested on the auxiliary processing ultrasonic knife handle 23, a second bevel gear 33 is fixedly mounted in the middle of the auxiliary processing ultrasonic knife handle 23, the lower end of the auxiliary processing ultrasonic knife handle 23 extends downwards out of the lower end of the second shaft hole 28, a second primary and secondary coil 24 is fixedly sleeved at the lower end of the auxiliary processing ultrasonic knife handle 23, the auxiliary processing ultrasonic knife handle 23 is of a hollow structure, a second ultrasonic transducer is fixedly mounted at the inner bottom of the auxiliary processing ultrasonic knife handle 23, the upper end of a second composite amplitude transformer 25 is butted with the lower end of the auxiliary processing ultrasonic knife handle 23 and is fixedly connected with the lower end of the second ultrasonic transducer through a screw, a secondary tool 26 is fixedly mounted at the lower end of the second composite amplitude transformer 25, a primary coil of the second primary and secondary coil 24 is connected with a second ultrasonic vibration controller 27 through a wire signal, a secondary coil of the second primary and secondary coil 24 is arranged in the auxiliary processing ultrasonic transducer and connected with the CNC processing center knife handle 27 through a wire signal;
the main processing ultrasonic knife handle 7 is in transmission connection with the two auxiliary processing ultrasonic knife handles 23 through two transmission mechanisms respectively.
The left transmission mechanism comprises a first transmission shaft 34, a second transmission shaft 35 and a third transmission shaft 36, the first transmission shaft 34, the second transmission shaft 35 and the third transmission shaft 36 are sequentially connected from right to left and rotatably arranged in a first transmission hole 19 on the left side, the first transmission shaft 34 is horizontally arranged along the left-right direction, a third bevel gear 37 which is positioned on the left side of the first bevel gear 20 and is in meshed transmission connection with the first bevel gear 20 is fixedly arranged at the right end of the first transmission shaft 34, third high-precision bearings 38 which are embedded in the right side part of the first transmission hole 19 are respectively sleeved on the outer circumferences of the left side part and the right side part of the first transmission shaft 34, third clamp springs 39 for limiting the axial movement of the third high-precision bearings 38 are fixedly nested on the first transmission shaft 34, and the second transmission shaft 35 and the third transmission shaft 36 are both arranged along the left-right direction, the third transmission shaft 36 is perpendicular to the auxiliary processing ultrasonic knife handle 23, the left end of the first transmission shaft 34 is in transmission connection with the right end of the second transmission shaft 35, the left end of the second transmission shaft 35 is in transmission connection with the right end of the third transmission shaft 36 through a ball-and-cage universal coupling 40, the left end of the third transmission shaft 36 extends out of the left end of the first transmission hole 19 on the left side and extends into the right side of the second transmission hole 30 on the left side, a fourth high-precision bearing 41 embedded in the right side of the second transmission hole 30 is sleeved on the outer circumference of the left side of the third transmission shaft 36, a fourth snap spring 42 limiting the axial movement of the fourth high-precision bearing 41 is fixedly nested on the third transmission shaft 36, and a fourth bevel gear 43 located on the right side of the second bevel gear 33 on the left side and in meshing transmission connection with the second bevel gear 33 on the left side is fixedly installed at the left side of the third transmission shaft 36.
The lower side portion of the left side surface and the lower side portion of the right side surface of the light-weight high-strength main box body 6 are fixedly provided with limit blocks 44 which are positioned at the lower sides of the corresponding light-weight high-strength auxiliary box bodies 22 and limit the downward movement of the corresponding light-weight high-strength auxiliary box bodies 22 to the limit positions. The stopper 44 can function to prevent the respective lightweight high-strength sub-housings 22 from moving beyond the leads of the respective linear motors 21.
The first bevel gear 20, the second bevel gear 33, the third bevel gear 37 and the fourth bevel gear 43 are all right-angle bevel gears, and the main cutter 11 and the auxiliary cutter 26 are all standard twist drills.
By adopting the technical scheme, the ultrasonic drilling method suitable for machining the ectopic holes of the turbocharger shell comprises the following steps:
1. the ultrasonic drilling device suitable for machining the abnormal hole of the turbocharger shell is arranged on the machine tool box body 5;
2. installing a turbocharger housing 2 to be machined right below the ultrasonic drilling device suitable for machining the ectopic hole of the turbocharger housing, and enabling a main machining drilling mechanism and two auxiliary machining ultrasonic drilling mechanisms to be respectively positioned right above three ectopic holes 3 to be machined on the turbocharger housing 2;
3. inputting the parameters of the three ectopic holes 3 into a machining program built in the CNC machining center 1, and setting drilling parameters;
4. and starting the machine tool, wherein the CNC machining center 1 controls the main machining ultrasonic drilling mechanism and the two auxiliary machining ultrasonic drilling mechanisms to feed downwards simultaneously, and three ectopic holes 3 on the turbocharger shell 2 are machined simultaneously by feeding once.
The step (II) is specifically as follows: the turbocharger housing 2 to be machined is fixedly mounted on a clamping seat of a machine tool and is located right below the ultrasonic drilling device suitable for machining the abnormal hole of the turbocharger housing, a main cutter 11 and two auxiliary cutters 26 are respectively located right above three abnormal holes 3 to be machined in the turbocharger housing 2, and the axes of the main machining ultrasonic cutter handle 7 and the two auxiliary machining ultrasonic cutter handles 23 are respectively coincided with the axes of the three abnormal holes 3 to be machined in the turbocharger housing 2.
The step (IV) is specifically as follows: starting the machine tool, controlling the machine tool spindle 4 to rotate by the CNC machining center 1, simultaneously controlling the machine tool spindle 4 to vertically feed downwards, driving the light-weight high-strength main box body 6 to vertically feed downwards by the machine tool spindle 4 through the main machining ultrasonic tool handle 7, driving the two light-weight high-strength auxiliary box bodies 22 to vertically feed downwards by the light-weight high-strength main box body 6, simultaneously driving the main machining ultrasonic tool handle 7 to rotate by the machine tool spindle 4, driving the two auxiliary machining ultrasonic tool handles 23 to rotate by the main machining ultrasonic tool handle 7 through the corresponding first bevel gear 20, third bevel gear 37, first transmission shaft 34, second transmission shaft 35, third transmission shaft 36, fourth bevel gear 43, second bevel gear 33 and corresponding ball cage type universal coupling 40, controlling the two linear motors 21 to respectively drive the two light-weight high-strength auxiliary box bodies 22 to synchronously move downwards along respective guide rails when the main machining ultrasonic tool handle 7 and the two auxiliary machining ultrasonic tools 23 vertically feed downwards, and further, the two auxiliary processing ultrasonic tool shanks 23 are enabled to move downwards along the direction of the guide rail of the corresponding linear motor 21, and then the feeding motion of the corresponding auxiliary processing ultrasonic tool shank 23 in the two moving directions is adjusted, so that the feeding motion of the corresponding auxiliary processing ultrasonic tool shank 23 in the two moving directions is synthesized into a feeding motion along the axial direction of the corresponding ectopic hole 3, and thus, the main processing ultrasonic tool shank 7 and the two auxiliary processing ultrasonic tool shanks 23 are synchronously fed along the respective axial directions, in the process, the CNC processing center 1 also controls the first ultrasonic vibration controller 12 and the two second ultrasonic vibration controllers 27 to work, and the first ultrasonic vibration controller 12 and the two second ultrasonic vibration controllers 27 respectively provide sinusoidal excitation signals with different frequencies and amplitudes for the first ultrasonic transducer 9 and the two second ultrasonic transducers, make first ultrasonic transducer 9 and two second ultrasonic transducers produce axial ultrasonic vibration, ultrasonic vibration passes through corresponding first compound amplitude transformer 10 and the transmission of the compound amplitude transformer 25 of second for main cutter 11 and vice cutter 26, realize required drilling effect, main cutter 11 and two vice cutters 26 just carry out drilling processing to turbocharger casing 2, realize once feeding three dystopy hole 3 on the simultaneous processing turbocharger casing 2, in processing, make the adjustment to vibration parameter through first ultrasonic vibration controller 12 and two second ultrasonic vibration controllers 27, in order to reach the accurate control drilling orbit, realize the high quality processing in hole.
The CNC machining center 1, the main machining ultrasonic knife handle 7, the first primary and secondary coil 8, the first ultrasonic transducer 9, the first composite amplitude transformer 10, the main cutter 11, the linear motor 21, the first ultrasonic vibration controller 12, the secondary machining ultrasonic knife handle 23, the second primary and secondary coil 24, the second ultrasonic transducer, the second composite amplitude transformer 25, the secondary cutter 26, the second ultrasonic vibration controller 27 and the ball cage type universal coupling 40 are all conventional technologies, and specific structures and working principles are not described in detail.
CNC machining center 1 is the important component part of lathe, is whole control operation platform, and built-in processing operating system that has, for the basic configuration in this field, the utility model discloses an automatic control part is conventional control technology, belongs to lathe machining conventional technology, does not relate to new computer program, belongs to current professional equipment to technical staff in this field, need not to explain in detail.
The utility model discloses possess following effect:
(1) The utility model discloses on the basis of traditional drilling, adopt supersound auxiliary technology to drill difficult processing material turbocharger casing 2, realize that the smear metal changes the effect of discharge, cutting temperature is low, the rate of wear slows down, drilling quality promotes.
(2) The utility model discloses on the basis of haplopore drilling, make main processing supersound handle of a knife 7 pass through drive mechanism and two linear electric motor 21 and link two vice processing supersound handle of a knife 23 simultaneously and feed work, realize once feeding and can carry out the supersound drilling to three dystopy hole 3 on the turbocharger casing 2, guarantee the machining precision, improve machining efficiency.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that the above embodiments are only used for illustration and not for limitation of the technical solutions of the present invention; the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (6)
1. The utility model provides an supersound drilling device suitable for processing of turbo charger casing dystopy hole which characterized in that: including the lathe main shaft, main processing supersound drilling mechanism, two vice processing supersound drilling mechanisms and CNC machining center, the vertical rotation that runs through of lathe main shaft sets up in the lathe box, the lathe box is stretched out to the lower extreme of lathe main shaft, axial sliding connection between lathe main shaft and the lathe box, main processing drilling mechanism is installed on the lathe main shaft with the center, two vice processing supersound drilling mechanism structures are the same and bilateral symmetry set up, two vice processing supersound drilling mechanisms are sliding mounting about main processing supersound drilling mechanism respectively, CNC machining center is respectively with main processing supersound drilling mechanism and two vice processing supersound drilling mechanism signal connection.
2. The ultrasonic drilling device suitable for machining the abnormal hole of the turbocharger housing as claimed in claim 1, wherein: the main processing drilling mechanism comprises a light high-strength main box body, a main processing ultrasonic knife handle, a first primary and secondary coil, a first ultrasonic transducer, a first composite amplitude transformer, a main cutter and a first ultrasonic vibration controller, wherein a first shaft hole which is through from top to bottom is vertically formed in the middle of the light high-strength main box body, the main processing ultrasonic knife handle, the first composite amplitude transformer and the main cutter are coaxially and vertically arranged from top to bottom in sequence, the main processing ultrasonic knife handle is concentrically and rotatably arranged in the first shaft hole, first high-precision bearings which are embedded in the first shaft hole are sleeved on the outer circumferences of the upper side part and the lower side part of the main processing ultrasonic knife handle,the main processing ultrasonic knife handle is fixedly nested with a first snap spring for limiting the axial movement of a first high-precision bearing, the upper end of the main processing ultrasonic knife handle is coaxially and fixedly connected with the lower end of a machine tool spindle through a blind rivet, the top center of the light high-strength main box body is provided with a feeding groove, the lower side part of the machine tool box body concentrically extends into the feeding groove, the left side wall and the right side wall of the machine tool box body are vertically provided with key grooves, the light high-strength main box body is fixedly provided with two slide keys which are bilaterally symmetrical and are positioned in the feeding groove, the two slide keys are respectively embedded in the two key grooves in a sliding way correspondingly, the left side surface and the right side surface of the light high-strength main box body are bilaterally symmetrical, the left side surface of the light high-strength main box body is a conical surface which is obliquely arranged in a high-low manner, the left side surface and the right side surface of the light high-strength main box body are both provided with first transmission holes in a left-right direction, and two first transmission holes are bilaterally symmetrical arrangement, the right end of the first transmission hole on the left side and the left end of the first transmission hole on the right side are both communicated with the middle part of the first shaft hole, the middle part of the main processing ultrasonic knife handle is fixedly provided with a first bevel gear, the lower end of the main processing ultrasonic knife handle extends downwards out of the lower end of the first shaft hole, a first primary and secondary coil is fixedly sleeved at the lower end part of the main processing ultrasonic knife handle, the main processing ultrasonic knife handle is of a hollow structure, a first ultrasonic transducer is fixedly arranged at the inner bottom part of the main processing ultrasonic knife handle, the upper end of a first composite amplitude transformer is butted with the lower end of the main processing ultrasonic knife handle and is fixedly connected with the lower end of the first ultrasonic transducer through a screw, a main cutter is fixedly arranged at the lower end of the first composite amplitude transformer, a primary coil of the first primary and secondary coil is connected with a first ultrasonic vibration controller through a lead signal, a secondary coil of the first primary and secondary coil is arranged in the main processing ultrasonic knife handle and is connected with the first ultrasonic transducer through a lead signal, the left side face and the right side face of the light high-strength main box body are both provided with linear motors, the two linear motors are identical in structure and are arranged in a bilateral symmetry mode, a guide rail of the left linear motor is laid from top to bottom in the inclined direction of the left side face of the light high-strength main box body, and the guide rail of the left linear motor forms an included angle with the vertical directionθTwo auxiliary processing ultrasonic drilling mechanisms are respectively and fixedly arranged on the sliding seats of the two linear motors, transmission mechanisms are respectively and rotatably arranged in the two first transmission holes, and the two transmission mechanismsThe structure is the same, the two linear motors are symmetrically arranged left and right, and the CNC machining center is respectively connected with the first ultrasonic vibration controller and the two linear motors through lead signals.
3. The ultrasonic drilling device suitable for machining the abnormal hole of the turbocharger housing as claimed in claim 2, wherein: the left auxiliary processing ultrasonic drilling mechanism comprises a light high-strength auxiliary box body, an auxiliary processing ultrasonic tool handle, a second primary auxiliary coil, a second ultrasonic transducer, a second composite amplitude transformer, an auxiliary tool and a second ultrasonic vibration controller, wherein the central axis of the light high-strength auxiliary box body is obliquely arranged in the left-high and right-low mode and forms an included angle with the vertical directionα，αIs less thanθThe included angle between the central axis of the light high-strength auxiliary box body and the guide rail of the linear motor on the left side isβThe middle part of the light high-strength auxiliary box body is provided with a second shaft hole which is through up and down along the direction of the central axis of the light high-strength auxiliary box body, the top of the light high-strength auxiliary box body is fixedly provided with an end cover which is plugged at the upper end of the second shaft hole, the middle part of the light high-strength auxiliary box body is provided with a second transmission hole which is through left and right and is vertically communicated with the second shaft hole, the right end of the second transmission hole is correspondingly communicated with the left end of the first transmission hole on the left side, the right side surface of the light high-strength auxiliary box body is parallel to the left side surface of the light high-strength main box body, the light high-strength auxiliary box body is fixedly arranged on a sliding seat of a linear motor on the left side, an auxiliary processing ultrasonic knife handle, a second composite amplitude transformer and an auxiliary knife tool are coaxially arranged in sequence from top to bottom along the central axis of the light high-strength auxiliary box body, the auxiliary processing ultrasonic knife handle rotates concentrically and is arranged in the second shaft hole, a second high-precision bearing embedded in the second shaft hole is sleeved on the outer circumferences of the upper side part and the lower side part of the auxiliary processing ultrasonic knife handle, a second snap spring limiting the axial movement of the second high-precision bearing is fixedly embedded on the auxiliary processing ultrasonic knife handle, a second bevel gear is fixedly mounted in the middle of the auxiliary processing ultrasonic knife handle, the lower end of the auxiliary processing ultrasonic knife handle extends downwards out of the lower end of the second shaft hole, a second primary secondary coil is fixedly sleeved at the lower end part of the auxiliary processing ultrasonic knife handle, the auxiliary processing ultrasonic knife handle is of a hollow structure, a second ultrasonic transducer is fixedly mounted at the inner bottom of the auxiliary processing ultrasonic knife handle, and a second composite amplitude-variable ultrasonic transducer is arranged at the inner bottom of the auxiliary processing ultrasonic knife handleThe upper end of the rod is butted with the lower end of the auxiliary processing ultrasonic tool handle and is fixedly connected with the lower end of a second ultrasonic transducer through a screw, an auxiliary tool is fixedly installed at the lower end of a second composite amplitude transformer, a primary side coil of a second primary and secondary coil is connected with a second ultrasonic vibration controller through a lead signal, a secondary side coil of the second primary and secondary coil is arranged in the auxiliary processing ultrasonic tool handle and is connected with the second ultrasonic transducer through a lead signal, and a CNC (computer numerical control) processing center is connected with the second ultrasonic vibration controller through a lead signal;
the main processing ultrasonic knife handle is in transmission connection with the two auxiliary processing ultrasonic knife handles through two transmission mechanisms.
4. The ultrasonic drilling device suitable for machining the abnormal hole of the turbocharger housing as claimed in claim 3, wherein: the left transmission mechanism comprises a first transmission shaft, a second transmission shaft and a third transmission shaft, the first transmission shaft, the second transmission shaft and the third transmission shaft are sequentially connected from right to left and are rotatably arranged in a left first transmission hole, the first transmission shaft is horizontally arranged along the left-right direction, a third bevel gear which is positioned on the left side of the first bevel gear and is in meshed transmission with the first bevel gear is fixedly installed at the right end of the first transmission shaft, third high-precision bearings which are embedded in the right side part of the first transmission hole are respectively sleeved on the outer circumferences of the left side part and the right side part of the first transmission shaft, a third clamp spring which limits the axial movement of the third high-precision bearings is fixedly embedded and sleeved on the first transmission shaft, the second transmission shaft and the third transmission shaft are respectively arranged along the left-right direction, the third transmission shaft is perpendicular to an auxiliary processing ultrasonic knife handle, the left end of the first transmission shaft is connected with the right end of the second transmission shaft and the left end of the second transmission shaft through a ball cage type universal coupling, the left end of the third transmission shaft extends out of the left first transmission hole and extends into the right side part of the left transmission hole, a fourth clamp spring which limits the axial movement of the fourth transmission shaft is fixedly embedded and is installed on the outer circumference of the right side of the fourth transmission shaft, and the fourth clamp spring is fixedly embedded and is connected with the right side of the fourth transmission shaft.
5. The ultrasonic drilling device suitable for machining the abnormal hole of the turbocharger housing as claimed in claim 3, wherein: and the lower side part of the left side surface and the lower side part of the right side surface of the light high-strength main box body are fixedly provided with limit blocks which are positioned at the lower sides of the corresponding light high-strength auxiliary box bodies and limit the corresponding light high-strength auxiliary box bodies to move downwards to limit positions.
6. The ultrasonic drilling device suitable for machining the abnormal hole of the turbocharger housing as claimed in claim 4, wherein: the first bevel gear, the second bevel gear, the third bevel gear and the fourth bevel gear are right-angle bevel gears, and the main cutter and the auxiliary cutter are standard twist drills.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222852431.3U CN218656913U (en) | 2022-10-28 | 2022-10-28 | Ultrasonic drilling device suitable for machining ectopic holes of turbocharger shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222852431.3U CN218656913U (en) | 2022-10-28 | 2022-10-28 | Ultrasonic drilling device suitable for machining ectopic holes of turbocharger shell |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115716141A (en) * | 2022-10-28 | 2023-02-28 | 河南理工大学 | Ultrasonic drilling method suitable for machining ectopic holes of turbocharger shell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115716141A (en) * | 2022-10-28 | 2023-02-28 | 河南理工大学 | Ultrasonic drilling method suitable for machining ectopic holes of turbocharger shell |
| CN115716141B (en) * | 2022-10-28 | 2024-06-11 | 河南理工大学 | Ultrasonic drilling method suitable for machining ectopic holes of turbocharger shell |
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