CN112475397B - Anticollision sword digit control machine tool - Google Patents
Anticollision sword digit control machine tool Download PDFInfo
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- CN112475397B CN112475397B CN201910778844.1A CN201910778844A CN112475397B CN 112475397 B CN112475397 B CN 112475397B CN 201910778844 A CN201910778844 A CN 201910778844A CN 112475397 B CN112475397 B CN 112475397B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
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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
- B23Q11/0042—Devices for removing chips
- B23Q11/0067—Devices for removing chips chip containers located under a machine or under a chip conveyor
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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
- B23Q11/06—Safety devices for circular cutters
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Abstract
The invention discloses a numerical control machine tool with an anti-collision tool, which comprises a machine tool body, an x-axis motor, an x-axis lead screw, a y-axis motor, a z-axis slide rail, a z-axis lead screw, a fixing frame, a fourth motor, a shell, a clamp, a collecting cart and an anti-collision tool device, wherein a milling cutter arranged in the clamp accidentally impacts a supporting plate downwards in the debugging and feeding process, the supporting plate slides downwards under the action of spring force to buffer the milling cutter arranged in the clamp, so that the damage of the broken tool caused by the direct impact of the milling cutter arranged in the clamp on the milling cutter arranged in the clamp is avoided, after the numerical control program is debugged, a fifth motor is started to rotate forwards to enable the fourth lead screw to move upwards, a connecting block at the top end is attached to the bottom end surface of a limiting block to fix the supporting plate at the top end, and the workpiece can sink under the action of the spring force in the deep hole processing process, so that the spring buffers the workpiece to cause the precision error of the workpiece, the device fixes the supporting plate, and avoids the influence of spring force on workpiece adding errors in the machining process.
Description
Technical Field
The invention relates to the field of machine tools, in particular to a numerical control machine tool with an anti-collision cutter.
Background
The numerical control machine tool is an automatic machine tool equipped with a program control system, the control system can logically process a program with control code or other symbol instruction regulation, decode the program, represent the decoded program by coded numbers, input the coded number into a numerical control device through an information carrier, and send various control signals by the numerical control device through operation processing to control the action of the machine tool.
However, the existing crashproof cutter numerical control machine tool has the following problems:
1. in the existing numerical control machine tool with the anti-collision cutter, the milling cutter of the machine tool needs to feed outside a workpiece in the debugging numerical control programming process, the milling cutter directly impacts a workbench to cause the damage of the milling cutter due to the programming error, and the common machine tool with the spring buffer device has low machining precision.
2. The existing numerical control machine tool with the anti-collision cutter is characterized in that a metal scrap wire is often rolled up when a metal part is cut by the numerical control machine tool, and a common machine tool does not have a device for compacting the metal scrap wire in a collecting box, so that the collecting box is required to be frequently replaced and used, and is very convenient and fast.
Disclosure of Invention
Therefore, in order to solve the above-mentioned drawbacks, the present invention provides a crashworthy numerical control machine tool.
The invention is realized in such a way that a numerically-controlled machine tool with a crashproof cutter is constructed, the device comprises a machine tool body, a shell, a baffle, a supporting table, a slide rail, a controller, a control panel, a power supply device, a top plate, an x-axis slide rail, a fixed block, an x-axis motor, an x-axis lead screw, a y-axis motor, a z-axis slide rail, a z-axis lead screw, a z-axis motor, a fixed frame, a fourth motor, a clamp, a collecting cart and a crashproof cutter device, wherein the shell is installed on the outer side of the front end of the machine tool body, the bottom end face of the shell is in a vertical structure with the supporting table, the bottom end face of the shell is welded with the supporting table, a groove is formed in the middle of the front end of the supporting table, the groove in the front end of the supporting table is in bolted connection with the slide rail, the inner side face of the slide rail is parallel with the front end face of the baffle, an outer box is welded at the bottom of the left end face of the shell, and the inner wall of the outer box at the left end of the outer shell is in bolted connection with the controller, the left side of the front end face of the outer shell is in bolted connection with the control panel through a connecting piece, the rear wall of the left end face of the outer shell is in bolted connection with a power supply device, the inner side face of the top end face of the outer shell is in a vertical structure with the top plate, the inner side face of the top end face of the outer shell is welded with the top plate, the middle part of the top end face of the support table is in bolted connection with an x-axis slide rail, the outer sides of the left end and the right end of the x-axis slide rail are in a vertical structure with the fixed block, the fixed block is spliced with the outer sides of the left end and the right end of the x-axis slide rail, the inner diameter of the fixed block is larger than that of an x-axis screw rod, the x-axis screw rod penetrates through the fixed block to be spliced with the x-axis slide rail through a shaft coupling, the outer diameter of the left end of the x-axis screw rod is spliced with an x-axis motor through a coupling, the bottom of the fixed block is provided with an internal thread, and a y-axis screw rod is in threaded connection with the y-axis screw rod, the outer diameter of the rear end of the y-axis screw rod is inserted into the y-axis motor through a coupler, the outer diameter of the y-axis motor is the same as the inner diameter of the z-axis slide rail in size, the outer diameter of the y-axis motor is in threaded connection with the inner diameter of the z-axis slide rail, the inner side of the z-axis slide rail is connected with a sliding block in a sliding manner, the sliding block of the inner diameter of the z-axis slide rail is in threaded connection with a z-axis screw rod, the outer diameter of the top end of the z-axis screw rod is inserted into the z-axis motor through a coupler, a groove in the front end face of the z-axis slide rail is attached to a convex edge at the left end of a fixing frame, a groove in the front end face of the z-axis slide rail is in bolted connection with the fixing frame, the top end face of the fixing frame is in bolted connection with a fourth motor, the outer diameter of the bottom end face of the fourth motor is inserted into a clamp through a built-in connecting screw rod, collecting trolleys are mounted at grooves at the left and right inner walls at the bottom end of the supporting table, anti-collision knife devices are arranged at the grooves at the left and right inner walls at the bottom of the supporting table, the anti-collision knife device comprises an outer frame, a bottom plate, a partition plate, a connecting disc, a spring, a supporting plate, a limiting block, a limiting lifter and a pressing device, wherein the bottom end face of the outer frame is parallel to the bottom end face of the bottom plate, the inner side face of the outer frame is welded with the bottom plate, the partition plate is positioned at the midpoint of the inner wall of the outer frame, the middle part of the inner wall of the outer frame is welded with the partition plate, the top end face of the partition plate is in a vertical structure with the connecting disc, the top end face of the partition plate is welded with the connecting disc, the inner side distance of the connecting disc is the same as the height of the spring, the inner side face of the connecting disc is welded with the spring, the inner wall of the top end of the outer frame is connected with the supporting plate in a sliding mode, the middle part of the bottom end face of the supporting plate is connected with the limiting lifter by a bolt, the bottom end face of the limiting lifter is provided with the pressing device, and the left and right end faces of the connecting disc, the bottom plate and the partition plate are welded with the supporting table, the power supply device, the control panel, the x-axis motor, the y-axis motor, the z-axis motor and the fourth motor are all electrically connected with the controller.
The invention provides a numerical control machine tool capable of preventing cutter collision through improvement, a fifth motor is started to rotate reversely, a worm is driven to rotate reversely through a rotating shaft, so that the worm drives a worm gear to rotate forward, the worm gear drives a fourth screw rod to move downwards due to the inner diameter of the worm gear being an internal thread, the bottom end face of a connecting block at the top end of the fourth screw rod is attached to the top end face of a partition plate, then a built-in milling cutter of a clamp accidentally impacts a supporting plate downwards in the process of tool adjustment, the supporting plate slides downwards under the action of spring force to provide buffer for the built-in milling cutter of the clamp, the damage of cutter breakage caused by the fact that the built-in milling cutter of the clamp directly impacts the built-in milling cutter is avoided, after the numerical control program is debugged, a button at the front end of a control panel is operated, the fifth motor is started to rotate forward, so that the fourth screw rod moves upwards, the connecting block at the top end is attached to the bottom end face of a limiting block to fix the supporting plate at the top end, and simultaneously drives a pressing device to move upwards, the device fixes the supporting plate, avoids the influence of the spring force on workpiece adding errors in the machining process, solves the problems that a milling cutter needs to feed outside the workpiece in the debugging numerical control programming process, the milling cutter is easy to directly impact a workbench due to programming errors, the milling cutter is damaged, and the machining precision of a common machine tool with a spring buffer device is low; the bottom end surface of the downward movement process of the fourth screw rod drives the connecting plate to move downwards, the connecting plate drives the fifth screw rod to move downwards, then a front end button of the control panel is operated, a sixth motor drives the fifth screw rod to rotate through a gear set at the top end, the fifth screw rod drives a connecting slide block with the outer diameter to slide downwards, the connecting slide block drives the built-in push rod to move downwards in the downward sliding process, then the press plate moves downwards and guide rods at the left side and the right side of the top end of the press plate slide through the connecting plate and the bottom plate to guide the press plate, a second limiting block at the top end is attached to the top end surface of the bottom plate after reaching a limit position, the iron scrap accumulated inside the collecting cart is compacted in the downward movement process of the press plate, then the front end button of the control panel is operated, the sixth motor is started reversely, the fifth screw rod moves upwards, the press plate is driven to move upwards, and the bottom end surface of the press plate is parallel to the top end surface of the collecting cart, the problem of digit control machine tool often curl up the metal bits silk at the cutting metalwork, ordinary lathe does not carry out compaction device to the metal bits silk in the collecting box, leads to the collecting box to need often change to use very convenient is solved.
As an improvement of the above-mentioned technical solution,
the numerical control machine tool with the anti-collision knife comprises a fifth motor, a rotating shaft, a worm wheel, a fourth screw rod, a fixed shell and a connecting block, wherein the outer diameter of the left end of the fifth motor is the same as the outer diameter of the rotating shaft, the left end of the fifth motor is spliced with the rotating shaft through a coupler, a groove is formed in the outer side of the bottom end of the rotating shaft, the groove in the bottom end of the rotating shaft is spliced with the worm through a flat key, the rear end face of the worm is meshed with the worm wheel, the inner diameter of the worm wheel is the same as the outer diameter of the fourth screw rod, the inner diameter of the worm wheel is in threaded connection with the outer diameter of the fourth screw rod, the upper end and the lower end of the fourth screw rod penetrate through the fixed shell, the upper end and the lower end of the fourth screw rod are in bolted connection with the fixed shell through bearing seats, the outer side of the top end face of the fourth screw rod is connected with a bearing seat in a clamping manner, and the top end of the fourth screw rod is spliced with the connecting block through the bearing seats, the bottom end face of the fixed shell is connected with the partition plate through a bolt, and the fifth motor is electrically connected with the controller.
As an improvement of the above-mentioned technical solution,
the pressing device consists of a connecting plate, a second limiting block, guide rods, a pressing plate, a fifth screw rod, a connecting slide block, a gear set and a sixth motor, wherein four guide rods are arranged in through holes in the inner side of the connecting plate, the through holes in the inner side of the connecting plate are in sliding connection with the four guide rods, the top end faces of the guide rods are in bolt connection with the second limiting block, the bottom end faces of the guide rods are in a vertical structure with the pressing plate and are welded with the pressing plate, the inner diameter of the top end face of the pressing plate is the same as the outer diameter of the fifth screw rod, the inner diameter of the top end face of the pressing plate is riveted with the outer diameter of the fifth screw rod, the top end of the fifth screw rod is in threaded connection with the connecting slide block, the left side of the top end of the fifth screw rod is in rotary connection with the sixth motor through the gear set, and the top end face of the sixth motor is in bolt connection with the connecting plate through a connecting seat, the top end face of the connecting plate is perpendicular to the fourth screw rod, the top end face of the connecting plate is riveted with the fourth screw rod, and the sixth motor is electrically connected with the controller.
As an improvement of the above-mentioned technical solution,
according to the numerical control machine tool with the anti-collision knife, the outer frame is of a concave structure, and the length and the width of the outer frame are equal to the length and the width of the supporting plate.
As an improvement of the above-mentioned technical solution,
according to the anti-collision knife numerical control machine tool, eight groups of connecting discs and eight groups of springs are arranged, and the distances between the eight groups of connecting discs and the eight groups of springs are the same.
As an improvement of the above-mentioned technical solution,
according to the numerical control machine tool with the anti-collision cutter, lubricating oil is coated on the outer diameter of the worm, and an oil inlet hole is formed in the inner side of the left end of the fixed shell.
As an improvement of the above-mentioned technical solution,
according to the numerical control machine tool with the anti-collision cutter, the outer diameter of the fourth screw rod is larger than the inner diameter of the partition plate, and the outer side of the top end of the fourth screw rod penetrates through the inner diameter of the partition plate.
As an improvement of the above-mentioned technical solution,
according to the numerical control machine tool for the anti-collision cutter, the guide rod penetrates through the inner diameter of the bottom plate and the inner diameter of the connecting plate, and the inner diameter of the bottom plate corresponds to the inner diameter of the connecting plate in position and is the same in size.
As an improvement of the above-mentioned technical solution,
according to the numerical control machine tool with the anti-collision knife, a Teflon coating layer with the thickness of 2mm is sprayed on the bottom end face of the pressing plate, and the bottom end face of the pressing plate is a smooth surface.
As an improvement of the above-mentioned technical solution,
the model of the x-axis motor, the model of the y-axis motor, the model of the z-axis motor and the model of the fourth motor of the numerical control machine tool for preventing the collision knife are all 10BYG 250-150; the controller model is VISION series; the models of the fifth motor and the sixth motor are both 20BYG 250-33; the size of the equipment can be customized according to actual conditions.
The invention has the following advantages: the invention provides a numerical control machine tool with an anti-collision knife through improvement, and compared with the same type of equipment, the numerical control machine tool with the anti-collision knife has the following improvements and advantages;
the method has the advantages that 1: the invention relates to a numerical control machine tool with a crashproof cutter, wherein a fifth motor is started to rotate reversely, a worm is driven to rotate reversely through a rotating shaft, so that the worm drives a worm wheel to rotate forwards, the worm wheel drives a fourth screw rod to move downwards due to the inner diameter of the worm wheel being an internal thread, the bottom end face of a connecting block at the top end of the fourth screw rod is attached to the top end face of a partition plate, then a milling cutter arranged in a clamp accidentally impacts a supporting plate downwards in the process of debugging and feeding, the supporting plate slides downwards under the action of spring force to provide buffer for the milling cutter arranged in the clamp, the damage of the broken cutter caused by the direct impact of the milling cutter arranged in the clamp is avoided, after the debugging of a numerical control program is finished, a front end button of a control panel is operated again, the fifth motor is started to rotate forwards, so that the fourth screw rod moves upwards, the connecting block at the top end is attached to the bottom end face of a limiting block to fix the supporting plate at the top end, and simultaneously drives a pressing device to move upwards, the device fixes the supporting plate, avoids the influence of the spring force on workpiece adding errors in the machining process, solves the problems that in the debugging numerical control programming process of a milling cutter of a machine tool, the milling cutter needs to feed at the outer side of the workpiece, the programming error easily causes the milling cutter to directly impact a workbench, so that the milling cutter is damaged, and the machining precision of the common machine tool with the spring buffer device is low.
The method has the advantages that (2): the invention relates to a numerical control machine tool with a crashproof cutter, wherein a bottom end surface drives a connecting plate to move downwards during the downward movement of a fourth screw rod, the connecting plate drives a fifth screw rod to move downwards, a front end button of a control panel is operated, a sixth motor drives the fifth screw rod to rotate through a gear set at the top end, the fifth screw rod drives a connecting slide block with an outer diameter to slide downwards, the connecting slide block drives a built-in push rod to move downwards during the downward movement of the connecting slide block, then a press plate moves downwards, guide rods are arranged at the left side and the right side of the top end of the press plate, the guide rods slide through the connecting plate and a bottom plate to guide the press plate, a second limiting block at the top end is attached to the top end surface of the bottom plate after reaching a limit position, iron chips accumulated in a collecting trolley are compacted during the downward movement of the press plate, the front end button of the control panel is operated, the sixth motor is started reversely, the fifth screw rod moves upwards and drives the press plate to move upwards, the bottom end face of the pressing plate is parallel to the top end face of the collecting trolley, and the problem that the metal filings are often rolled up when a numerical control machine tool cuts metal pieces, and a common machine tool does not have a device for compacting the metal filings in the collecting box, so that the collecting box is very convenient to replace and use frequently is solved.
Drawings
FIG. 1 is a schematic view of the machine tool body structure of the present invention;
FIG. 2 is a partial cross-sectional view of a support platform construction of the present invention;
FIG. 3 is a partial plan view of the machine tool body structure of the present invention;
FIG. 4 is a partial left side view of the machine body structure of the present invention;
FIG. 5 is a cross-sectional view of the structure of the fence assembly of the present invention;
FIG. 6 is a partial front elevational view of the positive lift structure of the present invention;
FIG. 7 is a partial schematic view of the elevator structure of the present invention;
fig. 8 is an enlarged view of the present invention at a.
Wherein: a machine tool body-1, a shell-2, a baffle-3, a support table-4, a slide rail-5, a controller-6, a control panel-7, a power supply device-8, a top plate-9, an x-axis slide rail-10, a fixing block-11, an x-axis motor-12, an x-axis lead screw-13, a y-axis lead screw-14, a y-axis motor-15, a z-axis slide rail-16, a z-axis lead screw-17, a z-axis motor-18, a fixing frame-19, a fourth motor-20, a clamp-22, a collecting cart-23, a crashproof cutter device-24, an outer frame-241, a bottom plate-242, a partition plate-243, a connection disc-244, a spring-245, a support plate-246, a limit block-247, a limit lifter-248, a pressing device-249, a controller-6, a control panel-7, a power supply device-9, a top plate-9, an x-10, a fixing block-19, a fourth motor-20, a fourth motor, a fourth, A fifth motor-2481, a rotating shaft-2482, a worm-2483, a worm wheel-2484, a fourth screw rod-2485, a fixed shell-2486, a connecting block-2487, a connecting plate-2491, a second limiting block-2492, a guide rod-2493, a pressing plate-2494, a fifth screw rod-2495, a connecting slide block-2496, a gear set-2497 and a sixth motor-2498.
Detailed Description
The present invention will be described in detail below with reference to fig. 1 to 8, and the technical solutions in the embodiments of the present invention will be clearly and completely described, 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.
The invention provides a numerical control machine tool capable of preventing cutter collision through improvement, which comprises a machine tool body 1, a shell 2, a baffle 3, a support platform 4, a slide rail 5, a controller 6, a control panel 7, a power supply device 8, a top plate 9, an x-axis slide rail 10, a fixed block 11, an x-axis motor 12, an x-axis screw rod 13, a y-axis screw rod 14, a y-axis motor 15, a z-axis slide rail 16, a z-axis screw rod 17, a z-axis motor 18, a fixed frame 19, a fourth motor 20, a clamp 22, a collecting cart 23 and a cutter collision prevention device 24, wherein the shell 2 is arranged on the outer side of the front end of the machine tool body 1, the bottom end face of the shell 2 is in a vertical structure with the support platform 4, the bottom end face of the shell 2 is welded with the support platform 4, a groove is arranged in the middle of the front end of the support platform 4, the groove of the support platform 4 is in bolt connection with the slide rail 5, the inner side face of the slide rail 5 is parallel with the front end face of the baffle 3, and the slide rail 5 is in slide connection with the baffle 3, an outer box is welded at the bottom of the left end face of a shell 2, the inner wall of the outer box at the left end of the shell 2 is in bolted connection with a controller 6, the left side of the front end face of the shell 2 is in bolted connection with a control panel 7 through a connecting piece, the rear wall of the left end face of the shell 2 is in bolted connection with a power supply device 8, the inner side face of the top end face of the shell 2 is in a vertical structure with a top plate 9, the inner side face of the top end face of the shell 2 is in welded connection with the top plate 9, the middle part of the top end face of a support table 4 is in bolted connection with an x-axis slide rail 10, the outer sides of the left end and the right end of the x-axis slide rail 10 are in a vertical structure with a fixed block 11, the fixed block 11 is in plug connection with the outer sides of the left end and the right end of the x-axis slide rail 10, the inner diameter of the fixed block 11 is larger than that of an x-axis screw 13, the x-axis screw 13 penetrates through a bearing block 11 to be plug connection with the x-axis slide rail 10, the outer diameter of the left end of the x-axis screw 13 is plug connection with an x-axis motor 12 through a coupler, the bottom end of the fixed block 11 is provided with internal threads, the internal threads at the bottom end of the fixed block 11 are in threaded connection with a y-axis screw rod 14, the outer diameter of the rear end of the y-axis screw rod 14 is inserted with a y-axis motor 15 through a coupler, the outer diameter of the y-axis motor 15 is the same as the inner diameter of a z-axis slide rail 16, the outer diameter of the y-axis motor 15 is in threaded connection with the inner diameter of the z-axis slide rail 16, a slide block is connected to the inner side of the z-axis slide rail 16 in a sliding manner, the slide block at the inner diameter of the z-axis slide rail 16 is in threaded connection with a z-axis screw rod 17, the outer diameter of the top end of the z-axis screw rod 17 is inserted with a z-axis motor 18 through a coupler, a groove of the front end face of the z-axis slide rail 16 is attached to a convex edge at the left end of a fixed frame 19, a groove of the front end face of the z-axis slide rail 16 is in bolted connection with a fixed frame 19, the top end face of the fixed frame 19 is in bolted connection with a fourth motor 20, the outer diameter of the bottom end face of the fourth motor 20 is inserted with a clamp 22 through a built-in connection, the collecting cart 23 is arranged at the groove of the left and right inner walls at the bottom end of the support table 4, the crashproof knife device 24 consists of an outer frame 241, a bottom plate 242, a partition 243, a connecting disc 244, a spring 245, a support plate 246, a limit block 247, a limit lifter 248 and a hold-down device 249, the bottom end surface of the outer frame 241 is parallel to the bottom end surface of the bottom plate 242, the inner side surface of the outer frame 241 is welded with the bottom plate 242, the partition 243 is positioned at the midpoint of the inner wall of the outer frame 241 and is welded with the partition 243, the top end surface of the partition 243 is in a vertical structure with the connecting disc 244, the top end surface of the partition 243 is welded with the connecting disc 244, the inner side distance of the connecting disc 244 is the same as the height dimension of the spring 245, the inner side surface of the connecting disc 244 is welded with the spring 245, the inner wall at the top end of the outer frame 241 is connected with the support plate 246 in a sliding way, the middle of the bottom end surface of the support plate 246 is connected with the limit block 247 by a bolt, a limiting lifter 248 is mounted on the bottom end face of the limiting block 247, a pressing device 249 is mounted on the bottom end face of the limiting lifter 248, the left and right end faces of the connecting disc 244, the bottom plate 242 and the partition plate 243 are welded with the support table 4, and the power supply device 8, the control panel 7, the x-axis motor 12, the y-axis motor 15, the z-axis motor 18 and the fourth motor 20 are all electrically connected with the controller 6.
The limit lifter 248 comprises a fifth motor 2481, a rotating shaft 2482, a worm 2483, a worm wheel 2484, a fourth screw rod 2485, a fixed shell 2486 and a connecting block 2487, wherein the outer diameter of the left end of the fifth motor 2481 is the same as the outer diameter of the rotating shaft 2482, the left end of the fifth motor 2481 is inserted into the rotating shaft 2482 through a coupler, a groove is arranged on the outer side of the bottom end of the rotating shaft 2482, the groove on the bottom end of the rotating shaft 2482 is inserted into the worm 2483 through a flat key, the rear end surface of the worm 2483 is meshed with the worm wheel 2484, the inner diameter of the worm wheel 2484 is the same as the outer diameter of the fourth screw rod 2485, the inner diameter of the worm wheel 2484 is in threaded connection with the outer diameter of the fourth screw rod 2485, the upper end and the lower end of the fourth screw rod 2485 penetrate through the fixed shell 2486, the upper end and the lower end of the fourth screw rod 2485 are in threaded connection with the fixed shell 2486 through a bearing seat, the outer side of the top end of the fourth screw rod 2485 is connected with a bearing seat in a snap-fit manner, and the top end of the fourth screw rod 2485 is inserted into the connecting block 2487, the bottom end face of the fixed casing 2486 is bolted to the partition plate 243, and the fifth motor 2481 is electrically connected to the controller 6.
The pressing device 249 comprises a connecting plate 2491, a second limiting block 2492, guide rods 2493, a pressing plate 2494, a fifth screw 2495, a connecting slider 2496, a gear set 2497 and a sixth motor 2498, wherein four guide rods 2493 are arranged in a through hole on the inner side of the connecting plate 2491, the through hole on the inner side of the connecting plate 2491 is slidably connected with the four guide rods 2493, the top end surface of each guide rod 2493 is in bolt connection with the second limiting block 2492, the bottom end surface of each guide rod 2493 is perpendicular to the pressing plate 2494, the surface of each guide rod 2493 is welded with the pressing plate 2494, the inner diameter of the top end surface of each pressing plate 2494 is the same as the outer diameter of the fifth screw 2495, the inner diameter of the top end surface of each pressing plate 2494 is riveted with the outer diameter of the fifth screw 2495, the top end of the fifth screw 2495 is in threaded connection with the connecting slider 2496, the left side of the top end of the fifth screw 2495 is rotatably connected with the sixth motor 2498 through the gear set 2497, and the top end surface of the sixth motor 2498 is in bolt connection with the connecting plate 2491 through a connecting seat, the top end face of the connecting plate 2491 is perpendicular to the fourth screw rod 2485, the top end face of the connecting plate 2491 is riveted with the fourth screw rod 2485, and the sixth motor 2498 is electrically connected with the controller 6.
The shape of the outer frame 241 is a concave structure, and the length and width of the outer frame 241 are equal to the length and width of the support plate 246, which is beneficial for the support plate 246 to slide on the inner side of the outer frame 241.
Eight groups of connecting discs 244 and springs 245 are arranged, and the distances between the eight groups of connecting discs 244 and the springs 245 are the same, so that mass production of the eight groups of connecting discs 244 and the springs 245 is facilitated.
Lubricating oil is smeared on the outer diameter of the worm 2483, and an oil inlet hole is formed in the inner side of the left end of the fixing shell 2486, so that friction between the worm 2483 and the worm wheel 2484 is reduced.
The outer diameter of the fourth screw rod 2485 is greater than the inner diameter of the partition 243, and the outer side of the top end of the fourth screw rod 2485 penetrates through the inner diameter of the partition 243, so that the four screw rod 2485 penetrates through the partition 243 to fix the support plate 246 at the top end.
The guide bar 2493 penetrates through the inner diameter of the bottom plate 242 and the inner diameter of the connecting plate 2491, and the inner diameter of the bottom plate 242 corresponds to the inner diameter of the connecting plate 2491 in position and is the same in size, so that the guide bar 2493 can guide the bottom plate 242.
The bottom end face of the pressing plate 2494 is sprayed with a Teflon coating layer with the thickness of 2mm, and the bottom end face of the pressing plate 2494 is a smooth surface, so that the surface of the pressing plate 2494 can be cleaned conveniently.
The models of the x-axis motor 12, the y-axis motor 15, the z-axis motor 18 and the fourth motor 20 are all 10BYG 250-150; the controller 6 is VISION series; the fifth motor 2481 and the sixth motor 2498 are each 20BYG250-33 in size.
The invention provides a numerical control machine tool with an anti-collision cutter through improvement, which operates in the following manner;
firstly, inserting an external power line into a power supply device 8 at the left end of a shell 2, then placing an external clamp into the top end face of a supporting plate 246, clamping and fixing the external clamp through a bolt, then placing an external workpiece on the inner side of the top end of the external clamp, sliding a baffle plate 3 in a groove at the front end of a supporting table 4 through a sliding rail 5 after the external workpiece is finished, pulling and fixing the baffle plate to the inner side, and operating a control panel 7 to enable the power supply device 8 to control an x-axis motor 12, a y-axis motor 15, a z-axis motor 18, a fourth motor 20, a controller 6, a fifth motor 2481 and a sixth motor 2498 to be internally provided with relay switches;
secondly, operating a front end button of the control panel 7 again to enable the controller 6 to execute numerical control programming, controlling the electrifying time of the x-axis motor 12, the y-axis motor 15, the z-axis motor 18, the fourth motor 20, the fifth motor 2481 and the sixth motor 2498 by the controller 6, starting the x-axis motor 12 according to the numerical control programming forward rotation or reverse rotation starting time, enabling the x-axis motor 12 to drive the z-axis slide rail 16x to axially move through the x-axis lead screw 13, and simultaneously enabling the built-in fourth motor 20 to rotate to drive the built-in milling cutter of the clamp 22 to rotate so as to enable the built-in milling cutter of the clamp 22 to cut the x-axis direction of the workpiece;
thirdly, simultaneously, the y-axis motor 15 is started to rotate forwards or reversely according to the numerical control programming starting time, so that the y-axis motor 15 drives the fixing block 11y to axially rotate through the y-axis screw rod 14, and then the fixing block 11 drives the x-axis slide rail 10y to axially rotate, and then the fixture 22 is internally provided with a milling cutter to cut the y-axis direction of the workpiece;
fourthly, starting a z-axis motor 18 to rotate forward or reversely according to numerical control programming start time, enabling the z-axis motor 18 to drive a z-axis lead screw 17 to rotate, enabling the z-axis lead screw 17 to be connected with a z-axis slide rail 16 through a slide block, enabling the z-axis lead screw 17 to drive a fixed frame 19 to move axially through the z-axis lead screw 17, and enabling the fixed frame 19 to move to drive a built-in milling cutter of a fixture 22 to perform cutting processing on the z-axis direction of the workpiece;
fifthly, a front button of the control panel 7 is operated before use, the fifth motor 2481 is started to rotate reversely, the worm 2483 is driven to rotate reversely through the rotating shaft 2482, the worm 2483 drives the worm wheel 2484 to rotate forwardly, the worm wheel 2484 drives the fourth screw rod 2485 to move downwards after the worm wheel 2484 drives the fourth screw rod 2485 to move downwards, and the bottom end face of the connecting block 2487 at the top end of the fourth screw rod 2485 is attached to the top end face of the partition plate 243;
sixthly, the bottom end surface of the downward movement process of the fourth screw rod 2485 drives the connecting plate 2491 to move downwards, the connecting plate 2491 drives the fifth screw rod 2495 to move downwards, the front end button of the control panel 7 is operated, the sixth motor 2498 drives the fifth screw rod 2495 to rotate through the gear set 2497 at the top end, the fifth screw rod 2495 drives the connecting slider 2496 with the outer diameter to slide downwards, the connecting slider 2496 drives the built-in push rod to move downwards in the downward sliding process, then the pressing plate 2494 moves downwards, the guide rods 2493 on the left side and the right side of the top end of the pressing plate 2494 slide through the connecting plate 2491 and the bottom plate 242, the pressing plate 2494 is guided, the second limiting block 2492 at the top end after reaching the limit position is attached to the top end surface of the bottom plate 242, and the iron chips in the collecting cart 23 are compacted in the downward movement process of the pressing plate 2494;
seventh, during the process of debugging the milling cutter arranged in the clamp 22, the supporting plate 246 is accidentally impacted downwards, under the action of the spring 245 force, the supporting plate 246 slides downwards to provide buffer for the milling cutter arranged in the clamp 22, the damage of tool breakage caused by the fact that the milling cutter arranged in the clamp 22 is directly impacted by the milling cutter arranged in the clamp 22 is avoided, after the debugging of the numerical control program is completed, and after a front end button of the control panel 7 is operated, the fifth motor 2481 is started to rotate forwards, the fourth screw rod 2485 moves upwards, the connecting block 2487 at the top end is attached to the bottom end face of the limiting block 247, the supporting plate 246 at the top end is fixed, meanwhile, the pressing device 249 is driven to move upwards, after reaching the extreme position, the top end face of the connecting plate 2491 is attached to the bottom end face of the bottom plate 242, during the process of deep hole machining of the workpiece, the workpiece sinks under the action of the spring 245 force, so that the spring 245 buffers the workpiece to cause the precision error of the workpiece, and the supporting plate 246 is fixed by the device, the workpiece adding error caused by the action of the spring 245 force in the machining process is avoided;
eighthly, finally, the front end button of the control panel 7 is operated again, so that the sixth motor 2498 is started reversely, the fifth screw rod 2495 is moved upwards, the pressing plate 2494 is driven to move upwards, the bottom end surface of the pressing plate 2494 is parallel to the top end surface of the collection cart 23, the internal workpiece of the external fixture is taken out, the collection cart 23 is pulled out from the support table 4, and the internal collection garbage is poured out of the garbage station.
The invention provides a numerical control machine tool for preventing cutter collision through improvement, a fifth motor 2481 is started to rotate reversely, a worm 2483 is driven to rotate reversely through a rotating shaft 2482, the worm 2483 drives a worm wheel 2484 to rotate normally, the worm wheel 2484 drives a fourth screw rod 2485 to move downwards after the worm wheel 2484 drives the fourth screw rod 2485 to move downwards, the bottom end face of a connecting block 2487 at the top end of the fourth screw rod 2485 is attached to the top end face of a partition plate 243, then a built-in milling cutter of a clamp 22 accidentally impacts a supporting plate 246 downwards in the process of debugging and feeding, under the action of a spring 245 force, the supporting plate 246 slides downwards to provide buffer for the built-in milling cutter of the clamp 22, the damage of cutter breakage caused by the fact that the built-in milling cutter of the clamp 22 is directly impacted by the built-in milling cutter of the clamp 22 is avoided, after the numerical control program is debugged, a front end button of a control panel 7 is operated, the fifth motor 2481 is started to rotate normally, the fourth screw rod 2485 is moved upwards, and the connecting block 2487 at the top end is attached to the bottom end face of a limiting block 247, the top end supporting plate 246 is fixed, the pressing device 249 is driven to move upwards at the same time, the top end face of the connecting plate 2491 is attached to the bottom end face of the bottom plate 242 after the top end supporting plate reaches a limit position, and when a workpiece is subjected to deep hole machining, the workpiece can sink under the action of the spring 245 force, so that the spring 245 buffers the workpiece to cause a workpiece precision error, the device fixes the supporting plate 246, the workpiece machining error caused by the influence of the spring 245 force in the machining process is avoided, the problems that the workpiece machining error is influenced by the action of the spring 245 force in the process of debugging a milling cutter of a machine tool, the milling cutter needs to feed outside the workpiece, the milling cutter is easy to directly impact a workbench due to programming errors, the milling cutter is damaged, and the machining precision of a common machine tool with a spring buffer device is low are solved; the bottom end surface of the fourth screw mandrel 2485 moves downwards to drive the connecting plate 2491 to move downwards, the connecting plate 2491 drives the fifth screw mandrel 2495 to move downwards, the front end button of the control panel 7 is operated, the sixth motor 2498 drives the fifth screw mandrel 2495 to rotate through the gear set 2497 at the top end, the fifth screw mandrel 2495 drives the connecting slide block 2496 with the outer diameter to slide downwards, the connecting slide block 2496 drives the built-in push rod to move downwards in the downward sliding process, then the press plate 2494 moves downwards and the guide rods 2493 at the left side and the right side of the top end of the press plate 2494 slide through the connecting plate 2491 and the bottom plate 242 to guide the press plate 2494, the second limit block 2492 at the top end reaching the limit position is attached to the top end surface of the bottom plate 242, the scrap iron accumulated inside the collecting trolley 23 is compacted in the downward moving process of the press plate 2494, the front end button of the control panel 7 is operated, the sixth motor 2498 is started reversely, and the fifth screw mandrel 2495 moves upwards, and drive clamp plate 2494 rebound, make clamp plate 2494 bottom face be on a parallel with collection shallow 23 top end face, solved the digit control machine tool and often curled up the metal bits silk at the cutting metalwork, ordinary lathe does not carry out compaction device to the metal bits silk in the collecting box, leads to the collecting box to need often to change the very convenient problem of use.
In the numerical control machine tool for preventing the collision cutter, the fifth motor 2481 starts to rotate reversely, the worm 2483 is driven to rotate reversely through the rotating shaft 2482, the worm 2483 drives the worm wheel 2484 to rotate forwardly, the worm wheel 2484 drives the fourth screw rod 2485 to move downwards due to the fact that the inner diameter of the worm wheel 2484 is an internal thread, the bottom end face of the connecting block 2487 at the top end of the fourth screw rod 2485 is attached to the top end face of the partition plate 243, then the internal milling cutter of the clamp 22 accidentally impacts the supporting plate 246 downwards in the debugging and feeding process, the supporting plate 246 slides downwards under the action of the force of the spring 245 to provide buffer for the internal milling cutter of the clamp 22, the damage of the tool breakage caused by the direct impact of the internal milling cutter of the clamp 22 is avoided, after the numerical control program is debugged, the front end button of the control panel 7 is operated, the fifth motor 2481 starts to rotate forwardly to enable the fourth screw rod 2485 to move upwards, the connecting block 2487 at the top end is attached to the bottom end face of the limiting block 247 to fix the supporting plate 246, meanwhile, the pressing device 249 is driven to move upwards, the top end face of the connecting plate 2491 is attached to the bottom end face of the bottom plate 242 after the pressing device 249 reaches a limit position, and when a workpiece is subjected to deep hole machining, the workpiece sinks under the action of force of the spring 245, so that the spring 245 buffers the workpiece to cause a workpiece precision error, the device fixes the supporting plate 246, the workpiece error caused by the influence of the force of the spring 245 in the machining process is avoided, and the problems that the milling cutter needs to feed outside the workpiece in the debugging numerical control programming process, the programming error easily causes the milling cutter to directly impact a workbench to cause the damage of the milling cutter, and the machining precision of a common machine tool with a spring buffer device is low are solved.
The invention relates to a numerical control machine tool with a crashproof cutter, wherein a bottom end surface drives a connecting plate 2491 to move downwards in the downward movement process of a fourth screw rod 2485, the connecting plate 2491 drives a fifth screw rod 2495 to move downwards, a front end button of a control panel 7 is operated, a sixth motor 2498 drives the fifth screw rod 2495 to rotate through a gear set 2497 at the top end, the fifth screw rod 2495 drives a connecting slide block 2496 with the outer diameter to slide downwards, the connecting slide block 2496 drives a built-in push rod to move downwards in the downward sliding process, then a press plate 2494 moves downwards, guide rods 2493 at the left side and the right side of the top end of the press plate 2494 slide through penetrating through the connecting plate 2491 and a bottom plate 242, the press plate 2494 is guided, a second limit block 2492 at the top end after reaching a limit position is attached to the top end surface of the bottom plate 242, iron chips accumulated in a collection trolley 23 are compacted in the downward movement process of the press plate 2494, the front end button of the control panel 7 is operated, make the reverse start of sixth motor 2498, make fifth lead screw 2495 rebound to drive clamp plate 2494 rebound, make clamp plate 2494 bottom end face be on a parallel with collection shallow 23 top end face, solved the digit control machine tool and often curled up the metal fillings silk at the cutting metalwork, ordinary lathe does not carry out compaction device to the metal fillings silk in the collecting box, leads to the collecting box to need often to change the very convenient problem of use.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a crashproof sword digit control machine tool, including lathe body (1), shell (2), baffle (3), brace table (4), slide rail (5), controller (6), control panel (7), power supply unit (8), roof (9), x axle slide rail (10), fixed block (11), x axle motor (12), x axle lead screw (13), y axle lead screw (14), y axle motor (15), z axle slide rail (16), z axle lead screw (17), z axle motor (18), mount (19), fourth motor (20), anchor clamps (22) and collection shallow (23), its characterized in that: the machine tool is characterized by further comprising a crashproof cutter device (24), a shell (2) is installed on the outer side of the front end of the machine tool body (1), the bottom end face of the shell (2) is of a vertical structure with the supporting table (4), the bottom end face of the shell (2) is welded with the supporting table (4), a groove is formed in the middle of the front end of the supporting table (4), the groove in the front end of the supporting table (4) is in bolted connection with the sliding rail (5), the inner side face of the sliding rail (5) is parallel to the front end face of the baffle (3), the inner side face of the sliding rail (5) is in sliding connection with the baffle (3), an outer box is welded at the bottom of the left end face of the shell (2), the inner wall of the outer box at the left end of the shell (2) is in bolted connection with the controller (6), the left side of the front end face of the shell (2) is in bolted connection with the control panel (7) through a connecting piece, and the rear wall of the left end face of the shell (2) is in bolted connection with the power supply device (8), the inner side surface of the top end face of the shell (2) is of a vertical structure with the top plate (9), the inner side surface of the top end face of the shell (2) is welded with the top plate (9), the middle part of the top end face of the support table (4) is in bolt connection with the x-axis slide rail (10), the outer sides of the left end and the right end of the x-axis slide rail (10) are of a vertical structure with the fixed block (11), the fixed block (11) is in plug-in connection with the outer sides of the left end and the right end of the x-axis slide rail (10), the inner diameter of the fixed block (11) is larger than that of the x-axis lead screw (13), the x-axis lead screw (13) penetrates through the fixed block (11) and is in plug-in connection with the x-axis slide rail (10) through a bearing seat, the outer diameter of the left end of the x-axis lead screw (13) is in plug-in connection with the x-axis motor (12) through a coupler, the bottom end of the fixed block (11) is provided with an internal thread, and the internal thread of the bottom end of the fixed block (11) is in connection with the y-axis lead screw (14), the outer diameter of the rear end of the y-axis screw rod (14) is spliced with a y-axis motor (15) through a coupler, the outer diameter of the y-axis motor (15) is the same as the inner diameter of a z-axis slide rail (16), the outer diameter of the y-axis motor (15) is in threaded connection with the inner diameter of the z-axis slide rail (16), a sliding block is connected to the inner side of the z-axis slide rail (16) in a sliding mode, the sliding block of the inner diameter of the z-axis slide rail (16) is in threaded connection with a z-axis screw rod (17), the outer diameter of the top end of the z-axis screw rod (17) is spliced with a z-axis motor (18) through the coupler, a groove of the front end face of the z-axis slide rail (16) is attached to a convex edge of the left end of a fixing frame (19), a groove of the front end face of the z-axis slide rail (16) is in bolted connection with the fixing frame (19), the top end face of the fixing frame (19) is in bolted connection with a fourth motor (20), the outer diameter of the bottom end face of the fourth motor (20) is spliced with a clamp (22) through a built-in connection screw rod, the collecting trolley (23) is installed at the left inner wall groove and the right inner wall groove at the bottom end of the supporting table (4), the anti-collision knife device (24) is arranged at the left inner wall groove and the right inner wall groove at the bottom end of the supporting table (4), the anti-collision knife device (24) consists of an outer frame (241), a bottom plate (242), a partition plate (243), a connecting disc (244), a spring (245), a supporting plate (246), a limiting block (247), a limiting lifter (248) and a pressing device (249), the bottom end face of the outer frame (241) is parallel to the bottom end face of the bottom plate (242), the inner side face of the outer frame (241) is welded with the bottom plate (242), the partition plate (243) is located at the midpoint of the inner wall of the outer frame (241), the middle part of the inner wall of the outer frame (241) is welded with the partition plate (243), the top end face of the partition plate (243) is in a vertical structure with the connecting disc (244), and the top end face of the partition plate (243) is welded with the connecting disc (244), the inner side space of the connecting disc (244) is equal to the height of the spring (245), the inner side face of the connecting disc (244) is welded with the spring (245), the inner wall of the top end of the outer frame (241) is connected with the supporting plate (246) in a sliding mode, the middle of the bottom end face of the supporting plate (246) is connected with the limiting block (247) through a bolt, the bottom end face of the limiting block (247) is provided with the limiting lifter (248), the bottom end face of the limiting lifter (248) is provided with the pressing device (249), the left and right end faces of the connecting disc (244), the bottom plate (242) and the partition plate (243) are welded with the supporting table (4), the power supply device (8), the control panel (7), the x-axis motor (12), the y-axis motor (15), the z-axis motor (18) and the fourth motor (20) are electrically connected with the controller (6), and the limiting lifter (248) is composed of the fifth motor (2481), The motor comprises a rotating shaft (2482), a worm (2483), a worm wheel (2484), a fourth screw rod (2485), a fixed shell (2486) and a connecting block (2487), wherein the outer diameter of the left end of the fifth motor (2481) is the same as the outer diameter of the rotating shaft (2482), the left end of the fifth motor (2481) is inserted into the rotating shaft (2482) through a coupler, the outer side of the bottom end of the rotating shaft (2482) is provided with a groove, the groove of the bottom end of the rotating shaft (2482) is inserted into the worm (2483) through a flat key, the rear end face of the worm (2483) is meshed with the worm wheel (2484), the inner diameter of the worm wheel (2484) is the same as the outer diameter of the fourth screw rod (2485), the inner diameter of the worm wheel (2484) is in threaded connection with the outer diameter of the fourth screw rod (2485), the upper end and the lower end of the fourth screw rod (2485) penetrate through the fixed shell (2486), and the upper end and the lower end of the fourth screw rod (2485) are in bolted connection with the fixed shell (2486) through a bearing seat, the outer side of the top end face of the fourth screw rod (2485) is connected with a bearing seat in a buckling mode, the top end of the fourth screw rod (2485) is connected with a connecting block (2487) in an inserting mode through the bearing seat, the bottom end face of the fixed shell (2486) is connected with the partition plate (243) through a bolt, the fifth motor (2481) is electrically connected with the controller (6), the pressing device (249) consists of a connecting plate (2491), a second limiting block (2492), a guide rod (2493), a pressing plate (2494), a fifth screw rod (2495), a connecting sliding block (2496), a gear set (2497) and a sixth motor (2498), the inner side through hole of the connecting plate (2491) is provided with four guide rods (2493), the inner side through hole of the connecting plate (2491) is connected with the four guide rods (2493) in a sliding mode, the top end face of the guide rod (2493) is connected with the second limiting block (2492) through a bolt, and the bottom end face of the guide rod (2493) is in a vertical structure with the pressing plate (2494), and the bottom end surface of the guide rod (2493) is welded with a pressure plate (2494), the inner diameter of the top end surface of the pressure plate (2494) is the same as the outer diameter of a fifth screw rod (2495), the inner diameter of the top end surface of the pressure plate (2494) is riveted with the outer diameter of the fifth screw rod (2495), the top end of the fifth screw rod (2495) is in threaded connection with a connecting slider (2496), the left side of the top end of the fifth screw rod (2495) is in rotary connection with a sixth motor (2498) through a gear set (2497), the top end surface of the sixth motor (2498) is in bolted connection with a connecting plate (2491) through a connecting seat, the top end surface of the connecting plate (2491) is in a vertical structure with the fourth screw rod (2485), the top end surface of the connecting plate (2491) is riveted with the fourth screw rod (2485), and the sixth motor (2498) is electrically connected with the controller (6).
2. The numerically-controlled machine tool for preventing the collision knife according to claim 1, wherein: the shape of the outer frame (241) is a concave structure, and the length and the width of the outer frame (241) are equal to the length and the width of the support plate (246).
3. The numerically-controlled machine tool with tool collision avoidance according to claim 1, wherein: the connecting discs (244) and the springs (245) are provided with eight groups, and the distances between the eight groups of connecting discs (244) and the springs (245) are the same.
4. The numerically-controlled machine tool with tool collision avoidance according to claim 1, wherein: lubricating oil is smeared on the outer diameter of the worm (2483), and an oil inlet hole is formed in the inner side of the left end of the fixed shell (2486).
5. The numerically-controlled machine tool for preventing the collision knife according to claim 1, wherein: the outer diameter of the fourth screw rod (2485) is larger than the inner diameter of the partition plate (243), and the outer side of the top end of the fourth screw rod (2485) penetrates through the inner diameter of the partition plate (243).
6. The numerically-controlled machine tool for preventing the collision knife according to claim 1, wherein: the guide rod (2493) penetrates through the inner diameter of the bottom plate (242) and the inner diameter of the connecting plate (2491), and the inner diameter of the bottom plate (242) corresponds to the inner diameter of the connecting plate (2491) in position and is the same in size.
7. The numerically-controlled machine tool with tool collision avoidance according to claim 1, wherein: the bottom end face of the pressing plate (2494) is sprayed with a Teflon coating layer with the thickness of 2mm, and the bottom end face of the pressing plate (2494) is a smooth surface.
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| CN114523133B (en) * | 2022-04-23 | 2022-07-12 | 达州市卡雷亚数控机床有限公司 | Numerical control machine tool and control device thereof |
| CN116871970B (en) * | 2023-09-08 | 2023-12-08 | 南通利邦机械有限公司 | High-precision numerical control machine tool capable of preventing knife from being crashed |
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