CN114247905A - Alloy steel flange automatic positioning turning device - Google Patents
Alloy steel flange automatic positioning turning device Download PDFInfo
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- CN114247905A CN114247905A CN202210121220.4A CN202210121220A CN114247905A CN 114247905 A CN114247905 A CN 114247905A CN 202210121220 A CN202210121220 A CN 202210121220A CN 114247905 A CN114247905 A CN 114247905A
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- rheostat
- base
- automatic positioning
- alloy steel
- carriage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
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- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
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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
Abstract
The invention discloses an automatic positioning turning device for an alloy steel flange, and belongs to the technical field of turning. The invention comprises a base, wherein the base is provided with a headstock, a tailstock, a carriage assembly and a cutter assembly, the carriage assembly is provided with a tool rest, the headstock is provided with a chuck, the interior of the headstock is communicated with the interior of the base, a speed stabilizing assembly is arranged in the communicated area, the carriage component drives the tool rest to move, the tool setting component automatically positions the processing blank, the speed stabilizing assembly automatically adjusts the output rotating speed, the end face of a workpiece blank is measured by the axial probe, the second rheostat is connected with the surface of the profile of the workpiece blank, and the current signal is converted into the specific size of the blank workpiece, so that the problem that manual measurement and recording cannot accurately reflect axial run-out and radial run-out is solved, the workpiece obtains higher precision, the cutter is quickly positioned to the edge of the profile of the workpiece blank for turning, and the machining efficiency is improved.
Description
Technical Field
The invention relates to the technical field of turning, in particular to an automatic positioning turning device for an alloy steel flange.
Background
Lathe machining belongs to one type of machining, machining is mainly performed in a mode that a turning tool cuts off a rotating workpiece, the tool used for turning is not limited to a drill bit, a reamer, a screw tap, a die, a knurling tool and the like, the turning tool is mainly used for machining an inner cylindrical surface, an outer cylindrical surface, an end surface, a conical surface and a thread, the position accuracy of a part is easy to guarantee through a turning process, impact is small, the manufacturing of the tool is simple, and the application is the most wide.
The problems involved in turning also exist correspondingly, after a worker loads the workpiece, the end face of the workpiece to be machined needs to be subjected to radial tool setting twice, the specific size of the workpiece needs to be measured and a numerical value needs to be recorded after each tool setting, finally, a measured value is input on a control panel of a machine tool to form a reference coordinate system, and the method for manually measuring and recording the value cannot accurately reflect the influence of axial run-out and radial run-out on machining, so that the manual tool setting cannot obtain higher precision of the part, and the machining efficiency is reduced; after each blank is cast, residual stress exists inside the blank more or less, so that metal lattices of the blank are uneven, the outer layer is removed in the turning process, the internal residual stress is released outwards, the influence of stress release on the rotating speed of the main shaft is reduced, the rotating speed of the main shaft is unstable, a cutter is abraded more quickly, and the precision of a forming surface is influenced.
Disclosure of Invention
The invention aims to provide an automatic positioning and turning device for an alloy steel flange, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: alloy steel flange automatic positioning turning device, the on-line screen storage device comprises a base, be provided with headstock, tailstock, planker subassembly and to cutter unit spare on the base, be provided with the knife rest on the planker subassembly, be provided with the chuck on the headstock, the inside of headstock and the inside intercommunication of base are provided with speed stabilizing assembly in the region of intercommunication, the planker subassembly drives the knife rest and removes, the tool setting subassembly carries out automatic positioning to the processing blank, speed stabilizing assembly adjusts the rotational speed of output automatically.
Further, the tool setting subassembly includes the tool setting bed frame, the tool setting bed frame sets up on the base, and the tool setting bed frame is close to one side of headstock, and the middle part of tool setting bed frame is provided with first rheostat, slidable mounting has the housing on the first rheostat, and the sliding head setting of first rheostat is in the housing.
Further, a driven sprocket and a servo motor are arranged on the tool setting base frame, a motor shaft of the servo motor is connected with a driving sprocket, the driving sprocket and the driven sprocket are connected with chains, the middle of each chain is disconnected, two ends of each disconnected chain are respectively connected with two ends of the shell cover, the servo motor drives the driving sprocket to rotate, the driving sprocket drives the driven sprocket to rotate through the chains, the chains drive the shell covers to slide on the first rheostat, and the size of the workpiece blank is measured through probes in the shell covers.
Further, an axial probe is rotatably arranged inside the shell cover, a coil spring is arranged between the axial probe and the shell cover, a second rheostat, a stop block and a first electromagnet are slidably arranged inside the shell cover, a notch is formed in the second rheostat, a sliding head of the second rheostat is installed in the shell cover, a spring is arranged between the stop block and the shell cover, the second rheostat is stopped by the stop block through the notch, the first electromagnet is arranged above the second rheostat, a probe spring is arranged between the first electromagnet and the second rheostat, a push rod is rotatably installed at the top of the axial probe, a sliding groove is formed in one end of the push rod, a short pin is arranged on the stop block and is slidably installed in the sliding groove, the axial probe moves under the driving of a servo motor, and deflects after contacting a workpiece blank, the axial probe is connected with a control circuit of the servo motor, the deflected axial probe enables the servo motor to be powered off, the axial probe does not move any more, the axial probe returns to be normal under the acting force of the coil spring, the detection end face of the axial probe tightly clings to the end face of the workpiece blank, the main motor drives the workpiece blank to slowly rotate, the axial probe performs run-out detection on the end face of the workpiece blank, the closer the sliding head is to the chuck, the higher the current in the first rheostat circuit is, the control system measures the current in the first rheostat circuit, and therefore the distance between the end face of the blank workpiece and the clamping position of the chuck and the run-out situation of the end face of the workpiece blank are judged;
the axial probe deflects and pushes the stop block to move through the push rod, the stop block releases the restraint on a notch on the second rheostat, the second rheostat is in contact with the profile surface of the workpiece blank under the pushing of the probe spring, the second rheostat moves up and down along with the surface profile of the workpiece blank to detect radial run-out, the movement of the second rheostat cannot drive the sliding head to move together, the more the second rheostat sinks, the larger the current in the circuit of the second rheostat is, and the control system judges the radial size of the workpiece blank by measuring the current in the circuit of the second rheostat.
After the measurement is finished, the control system enables the first electromagnet to be electrified, the first electromagnet generates a magnetic field to adsorb the second rheostat to ascend, the stop block clamps the notch on the second rheostat again, the servo motor drives the shell cover to move away from the workpiece blank, the control system of the machine tool feeds back the size information of the workpiece blank to the planker assembly, and the planker assembly drives the cutter to be rapidly positioned at the edge of the outline of the workpiece blank to carry out turning.
Further, inside main motor, the derailleur of being provided with of base, the motor shaft of main motor is connected with the input of derailleur, the derailleur output is connected with the pinion, the main shaft is installed to the headstock internal rotation, the one end and the chuck of main shaft are connected, are provided with the master gear on the main shaft, master gear and pinion meshing transmission, the base is provided with the speed governing handle outward, the speed governing handle is connected with the derailleur, and the torque of main motor drives the pinion through the derailleur after the variable speed and rotates, and the pinion drives the main shaft through the master gear and rotates, makes the chuck drive the work piece blank and rotate then.
Further, steady fast subassembly includes centrifugal mechanism, centrifugal mechanism includes two dead levers, driven lever, two the dead lever symmetry is installed on the main shaft, and two dead levers rotate with the main shaft and are connected, and the one end of every dead lever is rotated and is installed the pouring weight, two each rotation installs a movable rod on the pouring weight, driven lever slidable mounting is provided with compression spring on the main shaft between driven lever and the main shaft, rotates on the driven lever and installs a ring cover, two the movable rod all rotates with the ring cover to be connected, and when the main shaft rotated at a high speed, two pouring weights outwards thrown away because of centrifugal force to pulling dead lever and movable rod are close to each other, and the driven lever removes under the pulling of movable rod, and compression spring is compressed.
Furthermore, a large hydraulic cylinder is arranged in the headstock, one end of the driven rod is connected with a piston rod of the large hydraulic cylinder, a small hydraulic cylinder and an escapement are arranged in the base, the large hydraulic cylinder is communicated with the small hydraulic cylinder through a pipeline, the escapement is arranged on one side, from which the piston rod of the small hydraulic cylinder extends, a T-shaped chute is formed in the base, the escapement is connected with the T-shaped chute in a sliding manner, two springs are respectively arranged at two ends of the T-shaped chute, and the two springs reset the escapement;
the inside of escapement is provided with second electro-magnet, locking slider and escapement sliding connection, locking slider locks the piston rod of little pneumatic cylinder, the second electro-magnet sets up in the top of locking slider, and the second electro-magnet adsorbs locking slider, is connected with the hook spring between locking slider and the escapement, the hook spring resets locking slider, and the slave bar removes the piston rod that drives big pneumatic cylinder and removes, and hydraulic oil in the big pneumatic cylinder flows into little pneumatic cylinder through the pipeline in, because the cross sectional area of big pneumatic cylinder is greater than the cross sectional area of little pneumatic cylinder, the piston rod that the little removal of big pneumatic cylinder piston rod made little pneumatic cylinder takes place obvious displacement, through the setting of big pneumatic cylinder and little pneumatic cylinder, conducts the real-time state of main shaft rotational speed, provides the prerequisite reference for steady speed work.
Further, a rack is arranged below the escapement, an optical axis is longitudinally arranged in the base, a longitudinal duplicate gear is rotatably mounted on the optical axis, the rack is in meshing transmission with the longitudinal duplicate gear, a transverse duplicate gear is rotatably mounted behind the main motor, and the transverse duplicate gear is in meshing transmission with the longitudinal duplicate gear;
the two sides of the main motor are rotatably provided with a magnetic block, one end of each magnetic block is provided with an external gear, the two external gears are meshed with the transverse duplicate gear, and the two magnetic blocks are arranged in an opposite polarity mode.
Furthermore, a trigger plate is slidably mounted inside the base, a connecting rod is rotatably arranged on the speed regulation handle, a dead slot is formed in the bottom of the trigger plate, one end of the connecting rod is slidably connected with the dead slot, a button is slidably arranged on the trigger plate, a piston rod of the small hydraulic cylinder pushes the button, the button and the second electromagnet are arranged in the same circuit, an operator pulls the speed regulation handle to adjust the rotating speed of the machine tool and simultaneously drives the trigger plate to displace for a certain distance, after the main shaft reaches the adjusted rotating speed, the piston rod of the small hydraulic cylinder contacts the button on the trigger plate, the button enables the circuit of the second electromagnet to be switched on, the second electromagnet generates a magnetic field to adsorb the locking slide block, the speed stabilizing assembly only carries out induction adjustment on the change of the rotating speed when the main shaft normally operates, and when the main shaft is accelerated by arranging the trigger plate, the movement of the piston rod of the small hydraulic cylinder does not influence the work of the speed stabilizing component;
after the piston rod of the small hydraulic cylinder is locked by the locking slide block, the escaper moves along with the movement of the piston rod of the small hydraulic cylinder, the rack below the escaper drives the longitudinal duplicate gear to rotate, the longitudinal duplicate gear then drives the transverse duplicate gear to rotate, the transverse duplicate gear drives the two external gears to rotate, the two external gears drive the magnetic blocks to rotate, and under the condition that the current amount of the main motor is not changed, the rotating speed of the main motor can also be improved by changing the magnetic flux in the main motor, when the stress in the workpiece blank turned by the cutter is released, the friction between the workpiece blank and the cutter is increased, the rotating speed stall of the main shaft is slowed down, the piston rod of the small hydraulic cylinder drives the two magnetic blocks to rotate, so that the magnetic flux in the main motor is increased, the rotating speed of the main shaft is stabilized, real-time and rapid adjustment is performed, the floating range of the rotating speed of the main shaft is controlled in a small interval, and the influence of stalling of the main shaft on the precision of a forming surface is reduced.
Further, a guide rail is arranged on the base, the carriage assembly comprises a large carriage and a small carriage, the large carriage is slidably mounted on the guide rail, the small carriage is slidably mounted on the large carriage, the sliding direction of the small carriage is perpendicular to that of the large carriage, the tool rest is arranged on the small carriage, two sliding windows are arranged on the base, and the sliding windows protect the machine tool.
Compared with the prior art, the invention has the following beneficial effects:
1. the tool setting assembly is arranged, the chain transmission is used for driving the tool setting assembly to move, an axial probe of the tool setting assembly is in contact with the end face of a workpiece blank, a second rheostat is triggered to be in contact with the contour surface of the workpiece blank, the specific size of the blank workpiece is measured by using a current signal, the main motor drives the workpiece blank to rotate slowly, the axial probe is used for detecting the runout of the end face of the workpiece blank, and the second rheostat is used for detecting the radial runout of the surface contour of the workpiece blank.
2. The rotating speed of the main shaft is changed by changing the magnetic flux according to the principle that the current flowing into the main motor is unchanged, the rotating speed of the main motor can be improved, the two sides of the main motor are provided with the rotatable magnetic blocks, when the stress inside a workpiece blank for turning a cutter is released, the rotating speed of the main shaft is stalled, the piston rod of the small hydraulic cylinder drives the two magnetic blocks to rotate, the magnetic flux inside the main motor is increased, the rotating speed of the main shaft is stabilized, real-time and rapid adjustment is carried out, the floating range of the rotating speed of the main shaft is controlled in a small interval, the influence of the main shaft on the precision of a stalling forming surface is reduced, and the effect of stable-speed turning without being influenced by the workpiece blank is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the overall structure of the present invention;
FIG. 3 is a schematic view of the interior of the housing of the present invention;
FIG. 4 is a schematic view of the position of the housing and tool setting pedestal of the present invention;
FIG. 5 is a schematic view of the internal structure of the headgear of the present invention;
FIG. 6 is a schematic view of the structure of the main motor part of the present invention;
fig. 7 is a schematic view of the internal structure of the actuator of the invention;
FIG. 8 is a schematic view of the mounting of the trigger plate to the base of the present invention;
in the figure: 1. a base; 2. a head frame; 3. a tailstock; 4. a large carriage; 5. a small carriage; 6. a tool holder; 7. moving the window; 8. a chuck; 9. a speed-regulating handle; 101. a drive sprocket; 102. a driven sprocket; 11. a chain; 12. a servo motor; 13. tool setting of the base frame; 141. a first varistor; 142. a second varistor; 15. a housing; 161. a probe spring; 162. a first electromagnet; 17. an axial probe; 18. a coil spring; 19. a push rod; 20. a stopper; 21. a main shaft; 22. a main gear; 23. a pinion gear; 24. a transmission; 251. a weight block; 252. fixing the rod; 253. a movable rod; 26. a pressure spring; 27. a driven lever; 281. a large hydraulic cylinder; 282. a small hydraulic cylinder; 29. a main motor; 301. a transverse duplicate gear; 302. a longitudinal duplicate gear; 31. a magnetic block; 32. an external gear; 33. an escapement; 34. a rack; 35. a trigger plate; 36. a button; 37. a connecting rod; 38. locking the sliding block; 39. a second electromagnet; 40. a hook spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: an automatic positioning turning device for alloy steel flanges comprises a base 1, wherein a headstock 2, a tailstock 3, a carriage assembly and a cutter assembly are arranged on the base 1, the carriage assembly is provided with a cutter rest 6, the headstock 2 is provided with a chuck 8, the interior of the headstock 2 is communicated with the interior of the base 1, a speed stabilizing assembly is arranged in a communicated area, the carriage assembly drives the cutter rest 6 to move, the base 1 is provided with a guide rail, the carriage assembly comprises a large carriage 4 and a small carriage 5, the large carriage 4 is slidably mounted on the guide rail, the small carriage 5 is slidably mounted on the large carriage 4, the sliding direction of the small carriage 5 is perpendicular to that of the large carriage 4, the cutter rest 6 is arranged on the small carriage 5, the base 1 is provided with two sliding windows 7, and the sliding windows 7 protect a machine tool, the tool setting assembly automatically positions the processed blank, and the speed stabilizing assembly automatically adjusts the output rotating speed.
The base 1 is internally provided with a main motor 29 and a transmission 24, a motor shaft of the main motor 29 is connected with an input end of the transmission 24, an output end of the transmission 24 is connected with an auxiliary gear 23, a main shaft 21 is rotatably installed in the headstock 2, one end of the main shaft 21 is connected with the chuck 8, the main shaft 21 is provided with a main gear 22, the main gear 22 is in meshing transmission with the auxiliary gear 23, a speed regulation handle 9 is arranged outside the base 1, the speed regulation handle 9 is connected with the transmission 24, the torque of the main motor 29 drives the auxiliary gear 23 to rotate after speed change through the transmission 24, the auxiliary gear 23 drives the main shaft 21 to rotate through the main gear 22, and then the chuck 8 drives a workpiece blank to rotate.
The tool setting assembly comprises a tool setting base frame 13, the tool setting base frame 13 is arranged on the base 1, one side of the tool setting base frame 13, which is close to the head frame 2, a first rheostat 141 is arranged in the middle of the knife blade base frame 13, a shell cover 15 is slidably mounted on the first rheostat 141, a sliding head of the first rheostat 141 is arranged in the shell cover 15, the tool setting base frame 13 is provided with a driven sprocket 102 and a servo motor 12, a motor shaft of the servo motor 12 is connected with a driving sprocket 101, the driving sprocket 101 and the driven sprocket 102 are connected with a chain 11, the middle part of the chain 11 is disconnected, two ends of the disconnected chain are respectively connected with two ends of the housing cover 15, the servo motor 12 drives the driving sprocket 101 to rotate, the driving sprocket 101 drives the driven sprocket 102 to rotate through the chain 11, the chain 11 drives the housing cover 15 to slide on the first rheostat 141, the dimensions of the workpiece blank are measured by the axial probe 17 and the second rheostat 142 within the enclosure 15.
An axial probe 17 is rotatably arranged inside the housing 15, a coil spring 18 is arranged between the axial probe 17 and the housing 15, a second rheostat 142, a stop 20 and a first electromagnet 162 are slidably arranged inside the housing 15, a notch is formed on the second rheostat 142, the sliding head of the second rheostat 142 is installed in the housing 15, the sliding head cannot be driven to move along by the movement of the second rheostat 142, a spring is arranged between the stop 20 and the housing 15, the stop 20 stops the second rheostat 142 through the notch, the first electromagnet 162 is arranged above the second rheostat 142, a probe spring 161 is arranged between the first electromagnet 162 and the second rheostat 142, a push rod 19 is rotatably installed at the top of the axial probe 17, a sliding groove is formed at one end of the push rod 19, a short pin is arranged on the stop 20, the short pin is slidably installed in the sliding groove, and the axial probe 17 moves under the driving of the servo motor 12, after the workpiece blank is touched, the axial probe 17 deflects, the axial probe 17 is connected with a control circuit of the servo motor 12, the deflected axial probe 17 enables the servo motor 12 to be powered off, the axial probe 17 does not move any more, the axial probe 17 returns under the action of the coil spring 18, the detection end face of the axial probe 17 is tightly attached to the end face of the workpiece blank, the main motor 29 drives the workpiece blank to slowly rotate, the axial probe 17 performs run-out detection on the end face of the workpiece blank, the closer the sliding head is to the chuck 8, the higher the current in the first rheostat 141 circuit is, the larger the current in the first rheostat 141 circuit is measured by the control system, so that the distance between the end face of the blank workpiece and the chuck 8 and the run-out end face condition of the workpiece blank are judged, the stop block 20 is pushed to move by the push rod 19 while the axial probe 17 deflects, the stop block 20 releases the restriction on the notch on the second rheostat 142, the second rheostat 142 is in contact with the profile surface of the workpiece blank under the pushing of the probe spring 161, the second rheostat 142 moves up and down along with the surface profile of the workpiece blank to detect radial run-out, the more the second rheostat 142 sinks, the larger the current in the circuit of the second rheostat 142 is, and the control system judges the radial size of the workpiece blank by measuring the current in the circuit of the second rheostat 142.
After the measurement is finished, the control system enables the first electromagnet 162 to be electrified, the first electromagnet 162 generates a magnetic field to adsorb the second rheostat 142 to ascend, the stop block 20 clamps the notch on the second rheostat 142 again, the servo motor 12 drives the shell cover 15 to move away from the workpiece blank, the control system of the machine tool feeds back the size information of the workpiece blank to the planker component, and the planker component drives the cutter to be rapidly positioned on the outline edge of the workpiece blank for turning.
The speed stabilizing assembly comprises a centrifugal mechanism, the centrifugal mechanism comprises two fixing rods 252 and a driven rod 27, the two fixing rods 252 are symmetrically arranged on the main shaft 21, the two fixing rods 252 are rotatably connected with the main shaft 21, one end of each fixing rod 252 is rotatably provided with a weight 251, each weight 251 is rotatably provided with a movable rod 253, the driven rod 27 is slidably arranged on the main shaft 21, a pressure spring 26 is arranged between the driven rod 27 and the main shaft 21, a ring sleeve is rotatably arranged on the driven rod 27, the two movable rods 253 are rotatably connected with the ring sleeve, when the main shaft 21 rotates at a high speed, the two weights 251 are thrown outwards due to centrifugal force, so that the fixing rods 252 and the movable rods 253 are pulled to be close to each other, the driven rod 27 moves under the pulling of the movable rods 253, and the pressure spring 26 is compressed.
The headstock 2 is internally provided with a large hydraulic cylinder 281, one end of the driven rod 27 is connected with a piston rod of the large hydraulic cylinder 281, the base 1 is internally provided with a small hydraulic cylinder 282 and an escapement 33, the large hydraulic cylinder 281 is communicated with the small hydraulic cylinder 282 through a pipeline, the escapement 33 is arranged at one side where the piston rod of the small hydraulic cylinder 282 extends out, a T-shaped chute is arranged inside the base 1, the escapement 33 is in sliding connection with the T-shaped chute, two springs are respectively arranged at two ends of the T-shaped chute and reset the escapement 33, a second electromagnet 39 and a locking slide block 38 are arranged inside the escapement 33, the locking slide block 38 is in sliding connection with the escapement 33, the locking slide block 38 locks the piston rod of the small hydraulic cylinder 282, the second electromagnet 39 is arranged above the locking slide block 38, the second electromagnet 39 adsorbs the locking slide block 38, and a hook spring 40 is connected between the locking slide block 38 and the escapement 33, the hook spring 40 resets the locking slider 38, the inside of the base 1 is further provided with the trigger plate 35 in a sliding manner, the speed regulation handle 9 is provided with the connecting rod 37 in a rotating manner, the bottom of the trigger plate 35 is provided with a dead slot, one end of the connecting rod 37 is connected with the dead slot in a sliding manner, the trigger plate 35 is provided with the button 36 in a sliding manner, the piston rod of the small hydraulic cylinder 282 pushes the button 36, the button 36 and the second electromagnet 39 are arranged in the same circuit, the driven rod 27 moves to drive the piston rod of the large hydraulic cylinder 281 to move, hydraulic oil in the large hydraulic cylinder 281 flows into the small hydraulic cylinder 282 through a pipeline, and the sectional area of the large hydraulic cylinder 281 is larger than that of the small hydraulic cylinder 282, and the piston rod of the large hydraulic cylinder 281 slightly moves to enable the piston rod of the small hydraulic cylinder 282 to obviously displace.
A rack 34 is arranged below the escapement 33, an optical axis is longitudinally arranged in the base 1, a longitudinal duplicate gear 302 is rotatably arranged on the optical axis, the rack 34 is in meshing transmission with the longitudinal duplicate gear 302, a transverse duplicate gear 301 is rotatably arranged behind the main motor 29, the transverse duplicate gear 301 is in meshing transmission with the longitudinal duplicate gear 302, two magnetic blocks 31 are rotatably arranged on two sides of the main motor 29, an external gear 32 is arranged at one end of each magnetic block 31, the two external gears 32 are both in meshing transmission with the transverse duplicate gear 301, and the polarities of the two magnetic blocks 31 are opposite.
An operator pulls the speed regulating handle 9 to regulate the rotating speed of the machine tool, and simultaneously drives the trigger plate 35 to displace for a certain distance, after the main shaft 21 reaches the regulated rotating speed, the piston rod of the small hydraulic cylinder 282 contacts the button 36 on the trigger plate 35, the button 36 enables the circuit of the second electromagnet 39 to be switched on, the second electromagnet 39 generates a magnetic field to adsorb the locking slide block 38, the speed stabilizing assembly only carries out induction regulation on the change of the rotating speed when the main shaft 21 normally runs, and the trigger plate 35 is arranged, so that the movement of the piston rod of the small hydraulic cylinder 282 cannot influence the work of the speed stabilizing assembly when the main shaft 21 is started and accelerated;
after the piston rod of the small hydraulic cylinder 282 is locked by the locking slide block 38, the escaper 33 moves along with the movement of the piston rod of the small hydraulic cylinder 282, the rack 34 below the escaper 33 drives the longitudinal duplicate gear 302 to rotate, the longitudinal duplicate gear 302 then drives the transverse duplicate gear 301 to rotate, the transverse duplicate gear 301 drives the two external gears 32 to rotate, the two external gears 32 drive the magnetic blocks 31 to rotate, under the condition that the current amount of the main motor 29 is not changed, the rotating speed of the main motor 29 can also be improved by changing the magnetic flux in the main motor 29, when the stress in the workpiece blank turned by the cutter is released, the friction between the workpiece blank and the cutter is increased, the rotating speed of the main shaft 21 is slowed down, the piston rod of the small hydraulic cylinder 282 drives the two magnetic blocks 31 to rotate, the magnetic flux in the main motor 29 is increased, the rotating speed of the main shaft 21 is stabilized, and real-time rapid adjustment is carried out, the fluctuation range of the rotation speed of the main shaft 21 is controlled to a small range, and the influence of the stalling of the main shaft 21 on the accuracy of the forming surface is reduced.
The working principle of the invention is as follows: when the turning device is used, an operator clamps a workpiece blank on the chuck 8, the servo motor 12 drives the driving sprocket 101 to rotate, the driving sprocket 101 drives the driven sprocket 102 to rotate through the chain 11, the chain 11 drives the shell cover 15 to slide on the first rheostat 141, the size of the workpiece blank is measured by using the axial probe 17 and the second rheostat 142, the axial probe 17 is driven by the servo motor 12 to move, after the axial probe 17 collides with the workpiece blank, the axial probe 17 deflects, the axial probe 17 is connected with a control circuit of the servo motor 12, the deflected axial probe 17 cuts off the power of the servo motor 12, the axial probe 17 does not move any more, the axial probe 17 is aligned under the action force of the coil spring 18, the detection end face of the axial probe 17 is tightly attached to the end face of the workpiece blank, the torque of the main motor 29 drives the auxiliary gear 23 to rotate after being subjected to speed change through the speed changer 24, the pinion 23 drives the main shaft 21 to rotate through the main gear 22, then the chuck 8 drives the workpiece blank to rotate, the workpiece blank slowly rotates, the axial probe 17 detects the end face runout of the workpiece blank, the closer the sliding head is to the chuck 8, the higher the current in the circuit of the first rheostat 141, the larger the current in the circuit of the first rheostat 141 is, the control system judges the distance between the end face of the blank workpiece and the clamping position of the chuck 8 and the end face runout condition of the workpiece blank by measuring the current in the circuit of the first rheostat 141, the axial probe 17 deflects and pushes the stopper 20 to move through the push rod 19, the stopper 20 releases the restriction on the notch on the second rheostat 142, the second rheostat 142 contacts with the profile surface of the workpiece blank under the pushing of the probe spring 161, the second rheostat 142 moves up and down along with the surface profile of the workpiece blank to detect the radial runout, the more the second rheostat 142 sinks, the larger the current in the second rheostat 142 circuit is, the control system judges the radial size of the workpiece blank by measuring the current in the second rheostat 142 circuit, after the measurement is completed, the control system enables the first electromagnet 162 to be electrified, the first electromagnet 162 generates a magnetic field to adsorb the second rheostat 142 to ascend, the stop block 20 clamps the notch on the second rheostat 142 again, the servo motor 12 drives the shell cover 15 to move away from the workpiece blank, the control system of the machine tool feeds back the size information of the workpiece blank to the carriage assembly, and the carriage assembly drives the cutter to be quickly positioned at the contour edge of the workpiece blank for turning.
When the main shaft 21 rotates at a high speed, the two weights 251 are thrown outwards by centrifugal force, so that the fixed rod 252 and the movable rod 253 are pulled to approach each other, the driven rod 27 moves under the pulling of the movable rod 253, the pressure spring 26 is compressed, the driven rod 27 moves to drive the piston rod of the large hydraulic cylinder 281 to move, the hydraulic oil in the large hydraulic cylinder 281 flows into the small hydraulic cylinder 282 through a pipeline, because the sectional area of the large hydraulic cylinder 281 is larger than that of the small hydraulic cylinder 282, the piston rod of the small hydraulic cylinder 282 is obviously displaced by the small movement of the piston rod of the large hydraulic cylinder 281, an operator pulls the speed regulating handle 9 to regulate the rotation speed of the machine tool and simultaneously drives the trigger plate 35 to displace for a certain distance, after the main shaft 21 reaches the regulated rotation speed, the piston rod of the small hydraulic cylinder 282 contacts the button 36 on the trigger plate 35, the button 36 switches on the circuit of the second electromagnet 39, and the second electromagnet 39 generates a magnetic field to adsorb the locking slider 38, because the speed stabilizing assembly only carries out induction adjustment on the change of the rotating speed when the main shaft 21 normally runs, the movement of the piston rod of the small hydraulic cylinder 282 cannot influence the work of the speed stabilizing assembly when the main shaft 21 is started and accelerated by arranging the trigger plate 35;
after the piston rod of the small hydraulic cylinder 282 is locked by the locking slide block 38, the escaper 33 moves along with the movement of the piston rod of the small hydraulic cylinder 282, the rack 34 below the escaper 33 drives the longitudinal duplicate gear 302 to rotate, the longitudinal duplicate gear 302 then drives the transverse duplicate gear 301 to rotate, the transverse duplicate gear 301 drives the two external gears 32 to rotate, the two external gears 32 drive the magnetic blocks 31 to rotate, under the condition that the current amount of the main motor 29 is not changed, the rotating speed of the main motor 29 can also be improved by changing the magnetic flux in the main motor 29, when the stress in the workpiece blank turned by the cutter is released, the friction between the workpiece blank and the cutter is increased, the rotating speed of the main shaft 21 is slowed down, the piston rod of the small hydraulic cylinder 282 drives the two magnetic blocks 31 to rotate, the magnetic flux in the main motor 29 is increased, the rotating speed of the main shaft 21 is stabilized, and real-time rapid adjustment is carried out, the fluctuation range of the rotation speed of the main shaft 21 is controlled to a small range, and the influence of the stalling of the main shaft 21 on the accuracy of the forming surface is reduced.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Alloy steel flange automatic positioning turning device, its characterized in that: including base (1), be provided with headstock (2), tailstock (3), planker subassembly and to cutter unit spare on base (1), be provided with knife rest (6) on the planker subassembly, be provided with chuck (8) on headstock (2), the inside of headstock (2) and the inside intercommunication of base (1) are provided with speed stabilizing assembly in the region of intercommunication, the planker subassembly drives knife rest (6) and removes, the cutter unit spare carries out automatic positioning to the processing blank, speed stabilizing assembly adjusts the rotational speed of output automatically.
2. The automatic positioning and turning device for alloy steel flanges according to claim 1, is characterized in that: the tool setting assembly comprises a tool setting base frame (13), the tool setting base frame (13) is arranged on the base (1), one side, close to the head frame (2), of the tool setting base frame (13) is provided with a first rheostat (141) in the middle of the tool setting base frame (13), a shell cover (15) is installed on the first rheostat (141) in a sliding mode, and a sliding head of the first rheostat (141) is arranged in the shell cover (15).
3. The automatic positioning and turning device for alloy steel flanges according to claim 2, is characterized in that: the tool setting base frame (13) is provided with a driven chain wheel (102) and a servo motor (12), a motor shaft of the servo motor (12) is connected with a driving chain wheel (101), the driving chain wheel (101) and the driven chain wheel (102) are connected with a chain (11), the middle of the chain (11) is disconnected, and two ends of the disconnected chain are respectively connected with two ends of a shell cover (15).
4. The automatic positioning and turning device for alloy steel flanges according to claim 3, is characterized in that: an axial probe (17) is rotatably arranged in the shell cover (15), a coil spring (18) is arranged between the axial probe (17) and the shell cover (15), a second rheostat (142), a stop block (20) and a first electromagnet (162) are slidably arranged in the shell cover (15), a notch is formed in the second rheostat (142), a sliding head of the second rheostat 142 is installed in the shell cover (15), a spring is arranged between the stop block (20) and the shell cover (15), the stop block (20) blocks the second rheostat (142) through the notch, the first electromagnet (162) is arranged above the second rheostat (142), a probe spring (161) is arranged between the first electromagnet (162) and the second rheostat (142), a push rod (19) is rotatably installed at the top of the axial probe (17), a sliding groove is formed in one end of the push rod (19), the stop block (20) is provided with a short pin which is slidably arranged in the sliding groove.
5. The automatic positioning and turning device for alloy steel flanges according to claim 1, is characterized in that: the improved automatic transmission is characterized in that a main motor (29) and a transmission (24) are arranged inside the base (1), a motor shaft of the main motor (29) is connected with an input end of the transmission (24), an auxiliary gear (23) is connected with an output end of the transmission (24), a main shaft (21) is installed in the headstock (2) in a rotating mode, one end of the main shaft (21) is connected with the chuck (8), a main gear (22) is arranged on the main shaft (21), the main gear (22) is in meshing transmission with the auxiliary gear (23), a speed adjusting handle (9) is arranged outside the base (1), and the speed adjusting handle (9) is connected with the transmission (24).
6. The automatic positioning and turning device for alloy steel flanges according to claim 5, is characterized in that: speed stabilizing assembly includes centrifugal mechanism, centrifugal mechanism includes two dead levers (252), driven lever (27), two dead lever (252) symmetry is installed on main shaft (21), and two dead levers (252) rotate with main shaft (21) and are connected, and the one end of every dead lever (252) is rotated and is installed pouring weight (251), two respectively rotate on pouring weight (251) and install a movable rod (253), driven lever (27) slidable mounting is on main shaft (21), is provided with between driven lever (27) and main shaft (21) pressure spring (26), rotates on driven lever (27) and installs a ring cover, two movable rod (253) all rotate with the ring cover and are connected.
7. The automatic positioning and turning device for alloy steel flanges according to claim 6, is characterized in that: a large hydraulic cylinder (281) is arranged in the headstock (2), one end of the driven rod (27) is connected with a piston rod of the large hydraulic cylinder (281), a small hydraulic cylinder (282) and an escapement (33) are arranged in the base (1), the large hydraulic cylinder (281) is communicated with the small hydraulic cylinder (282) through a pipeline, the escapement (33) is arranged on one side, from which the piston rod of the small hydraulic cylinder (282) extends out, a T-shaped sliding groove is formed in the base (1), the escapement (33) is connected with the T-shaped sliding groove in a sliding manner, two springs are arranged at two ends of the T-shaped sliding groove respectively, and the two springs reset the escapement (33);
the inside of escapement (33) is provided with second electro-magnet (39), locking slider (38) and escapement (33) sliding connection, locking slider (38) lock the piston rod of little pneumatic cylinder (282), second electro-magnet (39) set up the top at locking slider (38), and second electro-magnet (39) adsorb locking slider (38), are connected with hook spring (40) between locking slider (38) and escapement (33), hook spring (40) reset locking slider (38).
8. The automatic positioning and turning device for alloy steel flanges according to claim 7, is characterized in that: a rack (34) is arranged below the escapement (33), an optical axis is longitudinally arranged in the base (1), a longitudinal duplicate gear (302) is rotatably mounted on the optical axis, the rack (34) is in meshing transmission with the longitudinal duplicate gear (302), a transverse duplicate gear (301) is rotatably mounted behind the main motor (29), and the transverse duplicate gear (301) is in meshing transmission with the longitudinal duplicate gear (302);
two sides of the main motor (29) are rotatably provided with a magnetic block (31), one end of each magnetic block (31) is provided with an externally-hanging gear (32), the two externally-hanging gears (32) are meshed with the transverse duplicate gear (301), and the two magnetic blocks (31) are arranged in an opposite polarity mode.
9. The automatic positioning and turning device for alloy steel flanges according to claim 8, is characterized in that: the inside of base (1) still slidable mounting has trigger plate (35), it is provided with connecting rod (37) to rotate on speed governing handle (9), the dead slot has been seted up to the bottom of trigger plate (365), the one end and the dead slot sliding connection of connecting rod (37), it is provided with button (36) to slide on trigger plate (35), the piston rod of little pneumatic cylinder (282) pushes away button (36), button (36) and second electro-magnet (39) set up in same circuit.
10. The automatic positioning and turning device for alloy steel flanges according to claim 1, is characterized in that: the base (1) is provided with a guide rail, the carriage assembly comprises a large carriage (4) and a small carriage (5), the large carriage (4) is slidably mounted on the guide rail, the small carriage (5) is slidably mounted on the large carriage (4), the sliding direction of the small carriage (5) is perpendicular to that of the large carriage (4), the tool rest (6) is arranged on the small carriage (5), the base (1) is provided with two sliding windows (7), and the sliding windows (7) protect a machine tool.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210121220.4A CN114247905B (en) | 2022-02-09 | 2022-02-09 | Automatic positioning turning device for alloy steel flange |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210121220.4A CN114247905B (en) | 2022-02-09 | 2022-02-09 | Automatic positioning turning device for alloy steel flange |
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| CN114247905B CN114247905B (en) | 2023-05-26 |
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Cited By (2)
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| TWI823664B (en) * | 2022-11-04 | 2023-11-21 | 國立虎尾科技大學 | Production method of automated bamboo cups |
| CN117862545A (en) * | 2024-03-12 | 2024-04-12 | 江苏三耐特种设备制造有限公司 | Turning device for processing steel pipe perforating plug |
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| CN114247905B (en) | 2023-05-26 |
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