A high speed cutting machine tool for hard rail machining of die casting machine

Abstract

The application belongs to the technical field of cutting machine tools, and particularly relates to a hard rail high-speed cutting machine tool for die casting machining, which aims at the problem that the existing hard rail high-speed cutting machine tool cannot ensure effective lubrication of the hard rail, and proposes the following scheme, which comprises a machine tool body, a working cavity is formed in the machine tool body, a linear motor one and a linear motor two are arranged on the inner wall of the top of the working cavity, the output end of the linear motor one is fixedly connected with the upper side of the linear motor two, and a tool bit is arranged below the linear motor two. The hard rail high-speed cutting machine tool for die casting machining can realize oil supplementing operation on the surface of the hard rail in the processing interval of front and rear workpieces, so that sufficient lubricating oil can be distributed on the hard rail at all times, the wear speed of the V-shaped rail is greatly reduced, the running quality of the bearing platform on the V-shaped rail is ensured, the processing precision of the device is improved, the demand for scraping is postponed, and the running efficiency of the device is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of cutting machine tools, in particular to a hard rail high-speed cutting machine tool for die casting machine machining. BACKGROUND

[0002] The hard rail metal cutting machine tool is a metal cutting device, which is different from an existing linear rail metal cutting machining center machine tool in function, has a higher metal removal rate, is suitable for heavy cutting, and can also meet the functions of drilling and tapping of larger holes, and has advantages in machining of general parts, military industry, heavy machinery and the like, and needs to use the hard rail high-speed cutting machine tool when machining die casting machine workpieces.

[0003] The hard rail on the hard rail high-speed cutting machine tool is abraded and deformed in long-time use, and the abrasion reducing mode is usually to prefill oil into the oil groove of the hard rail, but the hard rail cannot be effectively observed in an oil shortage condition in the process of machine tool operation, so that the hard rail is abraded, and machining positioning and machining precision of the machine tool are affected. SUMMARY

[0004] The application discloses a hard rail high-speed cutting machine tool for die casting machine machining, and aims to solve the technical problem that the existing hard rail high-speed cutting machine tool cannot ensure effective lubrication of the hard rail.

[0005] The hard rail high-speed cutting machine tool for die casting machine machining comprises a machine tool body, a working cavity is formed in the machine tool body, a linear motor one and a linear motor two are arranged on the top inner wall of the working cavity, the output end of the linear motor one is fixedly connected with the upper side of the linear motor two, a tool bit is arranged below the linear motor two, a variable-angle cooling module is arranged outside the tool bit, an installation frame is fixedly connected with the bottom inner wall of the working cavity, two symmetrical V-shaped rails are fixedly connected with the upper side of the installation frame, the same bearing platform is slidably connected with the two V-shaped rails, and two symmetrical circulating oil supplementing modules are arranged outside the installation frame.

[0006] The circulating oil supplementing module comprises an oil conveying pipe, a plurality of equidistantly distributed circular holes are formed in the oil conveying pipe, and an oil bottle is arranged outside the V-shaped rail.

[0007] The variable-angle cooling module comprises an infrared camera and a cooling pipe.

[0008] In a preferred embodiment, the bottom inner wall of the working chamber is fixedly connected with two symmetrical placing racks, the inner walls of the two placing racks are respectively inserted with the outer portions of the two oil bottles, the two V-shaped rails are respectively provided with a lower oil groove and two symmetrical upper oil grooves, the lower oil groove is below the upper oil groove, and the inner walls of the lower oil grooves are fixedly connected with the outer portions of the oil conveying pipes; one end of each of the two oil conveying pipes close to the oil bottles is fixedly connected with a second soft pipe, one end of each of the second soft pipes away from the oil conveying pipes penetrates into the oil bottles through the upper sides of the oil bottles, the outer portion of the machine tool body is fixedly connected with two symmetrical stabilizing racks, the stabilizing racks are respectively provided with a hole, and each of the holes is fixedly connected with a first soft pipe, the mounting rack is movably connected with a lead screw, the outer portion of the lead screw is provided with a boss, the upper side of the boss is fixedly connected with the bottom of the bearing platform, the bottom inner wall of the mounting rack is fixedly connected with a second motor, and the output end of the second motor is connected with one side of the lead screw through a shaft coupling; one end of each of the two first soft pipes is fixedly connected with an air bag, the other end of each of the first soft pipes penetrates into the oil bottles through the upper sides of the oil bottles on the same side, one end of each of the first soft pipes in the same oil bottle is above one end of the second soft pipe, the sides of the air bags away from the stabilizing racks are fixedly connected with moving racks, the moving racks are fixedly connected with sliding rails, the inner walls of the sliding rails are slidably connected with the outer portions of the stabilizing racks on the same side, and the air bags are provided with check valves; the sides of the stabilizing racks away from the air bags are respectively provided with threaded rods, the outer portions of the moving racks are respectively provided with notches, the inner walls of the notches are rotatably connected with the outer portions of the threaded rods on the same side through external threads, the outer portions of the threaded rods are respectively provided with external tooth rings, the sides of the external tooth rings opposite to the moving racks are movably connected, the outer portions of the external tooth rings are respectively provided with locking rings, the inner walls of the locking rings are fixedly connected with racks, and the racks are respectively connected with the external tooth rings; the outer portions of the two locking rings are slidably connected with guide buckles, the sides of the guide buckles opposite to the moving racks on the same side are fixedly connected, the sides of the guide buckles away from the threaded rods are fixedly connected with two symmetrical first springs, one end of each of the first springs away from the guide buckles is fixedly connected with the inner wall of the locking ring on the same side, and the sides of the moving racks opposite to the stabilizing racks are fixedly connected with the same second spring.

[0009] In a preferred embodiment, the output end of the linear motor two is fixedly connected with a hydraulic rod two, the output end of the hydraulic rod two is fixedly connected with a bearing frame, the top inner wall of the bearing frame is fixedly connected with a motor three, the output end of the motor three is fixedly connected with the upper side of the cutter head, and the outside of the bearing frame is fixedly connected with a mounting ring; the outside of the mounting ring is slidably connected with a movable frame, the outside of the mounting ring is provided with an annular groove, the annular groove is fixedly connected with an outer gear ring two, the upper side of the movable frame is fixedly connected with a motor one, the output end of the motor one is connected with a gear through a shaft coupling, and the gear is engaged with the outer gear ring two; the cooling pipe is located outside the movable frame, the outside of the cooling pipe is movably connected with a fixed frame, one side opposite to the movable frame is fixedly connected with the fixed frame, the outside of the movable frame is fixedly connected with a pump, the output end of the pump is connected with the cooling pipe through a pipeline, and the machine tool body is provided with an observation window and a folding door; the outside of the movable frame is movably connected with a hydraulic rod one, the output end of the hydraulic rod one is movably connected with the outside of the cooling pipe, the hydraulic rod one is located below the fixed frame, and the upper side of the infrared camera is fixedly connected with the bottom of the movable frame.

[0010] As can be seen from the above, the hard rail high-speed cutting machine tool for die casting machine machining provided by the application can realize oil supplementing operation on the surface of the hard rail in the machining interval of the front and rear workpieces, so that sufficient lubricating oil can be distributed on the hard rail at all times, the wear speed of the V-shaped rail is greatly reduced, the running quality of the bearing platform on the V-shaped rail is ensured, the machining precision of the device is improved, the demand for scraping is postponed, and the operation efficiency of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The whole structure schematic diagram of the hard rail high-speed cutting machine tool for die casting machine machining provided by the application;

[0012] Figure 2 The cross-sectional structure schematic diagram of the hard rail high-speed cutting machine tool for die casting machine machining provided by the application;

[0013] Figure 3 The circulating oil supplementing module structure schematic diagram of the hard rail high-speed cutting machine tool for die casting machine machining provided by the application;

[0014] Figure 4 The V-shaped rail structure schematic diagram of the hard rail high-speed cutting machine tool for die casting machine machining provided by the application;

[0015] Figure 5 The locking ring structure schematic diagram of the hard rail high-speed cutting machine tool for die casting machine machining provided by the application;

[0016] Figure 6 The variable-angle cooling module structure schematic diagram of the hard rail high-speed cutting machine tool for die casting machine machining provided by the application;

[0017] Figure 7 A schematic diagram of a movable frame structure of a hard rail high-speed cutting machine tool for die casting machine processing is provided.

[0018] In the figure: 1, machine tool body; 2, working cavity; 3, observation window; 4, folding door; 5, mounting frame; 6, V-shaped rail; 7, bearing platform; 8, circulating oil supplement module; 801, placing rack; 802, oil bottle; 803, upper oil groove; 804, lower oil groove; 805, oil delivery pipe; 806, stabilizer; 807, air bag; 808, check valve; 809, hose one; 810, hose two; 811, moving frame; 812, sliding rail; 813, threaded rod; 814, outer tooth ring one; 815, rack; 816, guide buckle; 817, locking ring; 818, spring one; 819, spring two; 9, variable angle cooling module; 901, mounting ring; 902, outer tooth ring two; 903, movable frame; 904, gear; 905, motor one; 906, infrared camera; 907, fixed frame; 908, hydraulic rod one; 909, cooling pipe; 910, pump; 10, tool bit; 11, linear motor one; 12, linear motor two; 13, lead screw; 14, motor two; 15, hydraulic rod two; 16, bearing frame; 17, motor three. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all.

[0020] The hard rail high-speed cutting machine tool for die casting machine processing disclosed in the present application is mainly applied to the scene where the existing hard rail high-speed cutting machine tool cannot ensure effective lubrication of the hard rail.

[0021] Reference Figures 1-7 A hard rail high-speed cutting machine tool for die casting machine processing, comprising a machine tool body 1, a working cavity 2 is formed in the machine tool body 1, a linear motor one 11 and a linear motor two 12 are arranged on the top inner wall of the working cavity 2, the output end of the linear motor one 11 is connected to the upper side of the linear motor two 12 through bolts, a tool bit 10 is arranged below the linear motor two 12, a variable angle cooling module 9 is arranged outside the tool bit 10, a mounting frame 5 is connected to the bottom inner wall of the working cavity 2 through bolts, two symmetrical V-shaped rails 6 are connected to the upper side of the mounting frame 5 through bolts, the same bearing platform 7 is slidably connected to the two V-shaped rails 6, and two symmetrical circulating oil supplement modules 8 are arranged outside the mounting frame 5.

[0022] The circulating oil supplement module 8 comprises an oil delivery pipe 805, a plurality of equidistantly distributed circular holes are formed in the oil delivery pipe 805, and an oil bottle 802 is arranged outside the V-shaped rail 6.

[0023] The variable-angle cooling module 9 comprises an infrared camera 906 and a cooling pipe 909.

[0024] Specifically, after the die casting machine workpiece is placed and fixed on the bearing platform 7, the motor two 14 is operated to make the lead screw 13 push the bearing platform 7 to move below the tool head 10, the folding door 4 is closed, the linear motor one 11, the linear motor two 12, the hydraulic rod two 15 and the motor three 17 are started, under the control of the system, the tool head 10 starts to perform boring and milling operations on the workpiece, in the operation, the variable-angle cooling module 9 is used to monitor the temperature of the tool head 10 and the product processing part and to cool in time, after the processing is completed, the lead screw 13 pushes the bearing platform 7 to push the workpiece out of the machine tool body 1, so that the circulating oil supplementing module 8 can deliver lubricating oil to the V-shaped rail 6, and in the next processing link, the part of the bearing platform 7 in contact with the V-shaped rail 6 can apply lubricating oil to the V-shaped surface of the V-shaped rail 6; the device can realize the oil supplementing operation on the hard rail surface in the processing interval of the front and rear workpieces by using the circulating oil supplementing module 8, so as to ensure that there is always sufficient lubricating oil distributed on the hard rail, greatly slow down the wear speed of the V-shaped rail 6, ensure the running quality of the bearing platform 7 on the V-shaped rail 6, improve the processing precision of the device, delay the demand for scraping and grinding, and improve the running efficiency of the device.

[0025] With reference to Figure 3 , Figure 4 and Figure 5In a preferred implementation, the inner wall of the bottom of the working cavity 2 is bolted with two symmetrical placing racks 801, the inner walls of the two placing racks 801 are respectively inserted with the outer portions of two oil bottles 802, the two V-shaped rails 6 are respectively provided with a lower oil groove 804 and two symmetrical upper oil grooves 803, the lower oil groove 804 is below the upper oil groove 803, and the inner wall of the lower oil groove 804 is bolted with the outer portion of the oil conveying pipe 805; the ends of the two oil conveying pipes 805 close to the oil bottles 802 are respectively bolted with a hose two 810, the ends of the hose two 810 away from the oil conveying pipes 805 respectively pass through the upper sides of the oil bottles 802 and enter the oil bottles 802, the outer portion of the machine tool body 1 is bolted with two symmetrical stabilizing racks 806, the stabilizing racks 806 are respectively provided with a fine hole, the fine holes are respectively bolted with a hose one 809, the mounting rack 5 is rotatably connected with a lead screw 13 through a bearing, the outer portion of the lead screw 13 is provided with a boss, the upper side of the boss is bolted with the bottom of the bearing platform 7, the bottom inner wall of the mounting rack 5 is bolted with a motor two 14, the output end of the motor two 14 is connected with one side of the lead screw 13 through a shaft coupling; one end of each of the two hose ones 809 is bolted with an air bag 807, the other end of each of the two hose ones 809 passes through the upper side of the oil bottle 802 on the same side and enters the oil bottle 802, one end of the hose one 809 in the same oil bottle 802 is above one end of the hose two 810, and one side of the air bag 807 away from the stabilizing rack 806 is bolted with a moving rack 811, the moving rack 811 is bolted with a sliding rail 812, the inner wall of the sliding rail 812 is slidably connected with the outer portion of the stabilizing rack 806 on the same side, and the air bag 807 is provided with a check valve 808; one side of the stabilizing rack 806 away from the air bag 807 is provided with a threaded rod 813, the outer portion of the moving rack 811 is provided with a notch, the inner wall of the notch is rotatably connected with the outer portion of the threaded rod 813 on the same side through external threads, and the outer portion of the threaded rod 813 is provided with an external gear ring one 814, one side of the external gear ring one 814 opposite to the outer portion of the moving rack 811 is rotatably connected through a bearing, the outer portion of the external gear ring one 814 is provided with a locking ring 817, the inner wall of the locking ring 817 is bolted with a rack 815, and the rack 815 is clamped with the external gear ring one 814; the outer portion of each of the two locking rings 817 is slidably connected with a guide buckle 816, one side of the guide buckle 816 opposite to the moving rack 811 on the same side is bolted, and one side of the guide buckle 816 away from the threaded rod 813 is bolted with two symmetrical springs one 818, one end of the spring one 818 away from the guide buckle 816 is bolted with the inner wall of the locking ring 817 on the same side, and one side of the moving rack 811 opposite to the stabilizing rack 806 is bolted with the same spring two 819.

[0026] Specifically, after the workpiece on the support platform 7 is processed, the motor two 14 is started, the motor two 14 drives the screw rod 13 to rotate, the screw rod 13 pushes the support platform 7 to move away from the cutter head 10, after the support platform 7 moves to the edge of the V-shaped rail 6, the part of the support platform 7 in contact with the V-shaped rail 6 will contact and push the moving frame 811, the moving frame 811 slides on the stabilizing frame 806 under the force, thereby compressing the air bag 807, the air in the air bag 807 is injected into the oil bottle 802 through the hose one 809, the air pressure in the oil bottle 802 is increased and pushes the hydraulic oil in the oil bottle 802 to flow into the oil conveying pipe 805 through the hose two 810 and into the lower oil tank 804 through the circular hole on the oil conveying pipe 805, after a new workpiece is fixed on the support platform 7, the motor two 14 is started again, the support platform 7 can slide along the V-shaped rail 6, the lubricating oil can be distributed on the contact surface with the movement of the support platform 7, at the same time, under the action of the check valve 808 and the spring two 819, the air bag 807 drives the moving frame 811 to reset, when it is necessary to adjust the oil supplementing amount, the locking ring 817 is pushed to make the rack 815 unlock the external tooth ring one 814 against the elastic force of the spring 818, the threaded rod 813 is rotated, the moving frame 811 moves on the slide rail 812 driven by the threaded rod 813, thereby controlling the air capacity in the air bag 807.

[0027] In a specific application scenario, the circulating oil supplementing module 8 is mainly suitable for the circulating oil supplementing link in the circulating oil supplementing process, that is, the circulating oil supplementing module 8 uses the air bag 807 and the oil bottle 802 to enable the device to perform the oil supplementing operation in the interval between the replacement of the workpieces, thereby not occupying the processing operation time of the die casting machine workpiece, improving the smoothness of the device operation and improving the operation efficiency; the threaded rod 813 and the locking ring 817 enable the device to change the moving distance of the moving frame 811, thereby changing the oil amount of the lubricating oil injected into the oil conveying pipe 805 by the oil bottle 802 at a time, and enabling the device to be applicable to V-shaped rails 6 of different sizes.

[0028] Referring to Figure 6 and Figure 7In a preferred implementation, the output end of the linear motor 12 is bolted with a hydraulic rod 15, the output end of the hydraulic rod 15 is bolted with a bearing frame 16, the inner wall of the top of the bearing frame 16 is bolted with a motor 17, the output end of the motor 17 is bolted with the upper side of the tool bit 10, and the outside of the bearing frame 16 is bolted with a mounting ring 901; the outside of the mounting ring 901 is slidingly connected with a movable frame 903, the outside of the mounting ring 901 is provided with an annular groove, the annular groove is bolted with an outer gear ring 902, and the upper side of the movable frame 903 is bolted with a motor 905, the output end of the motor 905 is connected with a gear 904 through a shaft coupling, and the gear 904 is engaged with the outer gear ring 902; the outside of the movable frame 903 is provided with a cooling pipe 909, the outside of the cooling pipe 909 is rotatably connected with a fixed frame 907 through a bearing, the side opposite to the movable frame 903 is bolted with the fixed frame 907, the outside of the movable frame 903 is bolted with a pump 910, the output end of the pump 910 is connected with the cooling pipe 909 through a conduit, and the machine tool body 1 is provided with an observation window 3 and a folding door 4; the outside of the movable frame 903 is rotatably connected with a hydraulic rod 908, the output end of the hydraulic rod 908 is rotatably connected with the outside of the cooling pipe 909 through a bearing, and the hydraulic rod 908 is located below the fixed frame 907, and the upper side of the infrared camera 906 is bolted with the bottom of the movable frame 903.

[0029] Specifically, in the process of machining the workpiece by the tool bit 10, the motor 905 is started, the motor 905 drives the gear 904 engaged with the outer gear ring 902 to rotate, so that the movable frame 903 moves on the mounting ring 901 in a circular motion, the infrared camera 906 monitors the temperature of the contact surface between the tool bit 10 and the workpiece, and the pump 910 is started to spray the cooling liquid to the machining area through the cooling pipe 909, when the temperature of the machining position is too high, the movable frame 903 moves above the area on the mounting ring 901, the hydraulic rod 908 is started, the output end of the hydraulic rod 908 pushes the cooling pipe 909 to change the angle, so that the cooling pipe 909 is aligned with the high temperature area, the power of the output end of the pump 910 is increased, and the flow of the cooling liquid is increased to cool the machining position.

[0030] In a specific application scenario, the angle-changing cooling module 9 is mainly suitable for the angle-changing cooling link in the angle-changing cooling process, that is, the infrared camera 906 can make the device monitor the temperature of the machining position of the tool bit 10 in real time, the movable frame 903 and the hydraulic rod 908 can make the device accurately position the position with too high temperature, so that the cooling pipe 909 can increase the flow of the cooling liquid to cool the workpiece and the tool bit 10 in time, reduce the temperature stress on the workpiece and the tool bit 10, and improve the service life of the tool bit 10.

[0031] Working principle: after the die casting machine workpiece is placed and fixed on the bearing platform 7, the motor two 14 is operated to make the lead screw 13 push the bearing platform 7 to move below the tool head 10, the folding door 4 is closed, the linear motor one 11, the linear motor two 12, the hydraulic rod two 15 and the motor three 17 are started, under the control of the system, the tool head 10 starts to bore and mill the workpiece, in the operation, in the process that the tool head 10 processes the workpiece, the motor one 905 is started, the motor one 905 drives the gear 904 meshing with the outer gear ring two 902 to rotate, so that the movable frame 903 moves on the mounting ring 901 in a circular motion, the infrared camera 906 monitors the temperature of the contact surface of the tool head 10 and the workpiece, and the pump 910 is started to spray the cooling liquid to the machining area through the cooling pipe 909, when the temperature of the machining position is too high, the movable frame 903 moves above the area on the mounting ring 901, the hydraulic rod one 908 is started, the output end of the hydraulic rod one 908 pushes the cooling pipe 909 to change the angle, so that the cooling pipe 909 is aligned with the high temperature area, the output power of the pump 910 is increased to increase the flow of the cooling liquid, and the machining position is cooled, after the machining is completed, the lead screw 13 pushes the bearing platform 7 to push the workpiece out of the machine tool body 1, after the workpiece on the bearing platform 7 is machined, the motor two 14 is started, the motor two 14 drives the lead screw 13 to rotate, so that the lead screw 13 pushes the bearing platform 7 to move away from the tool head 10, after the bearing platform 7 moves to the edge of the V-shaped rail 6, the part of the bearing platform 7 contacting the V-shaped rail 6 will contact and push the moving frame 811, the moving frame 811 slides on the stabilizing frame 806 under the force, so as to compress the air bag 807, so that the air in the air bag 807 is injected into the oil bottle 802 through the hose one 809, so that the air pressure in the oil bottle 802 is increased and the hydraulic oil in the oil bottle 802 is flowed into the oil delivery pipe 805 through the hose two 810 and flows into the lower oil tank 804 through the circular hole on the oil delivery pipe 805, after the new workpiece is fixed on the bearing platform 7, the motor two 14 is started again, so that the bearing platform 7 can slide along the V-shaped rail 6, so that the lubricating oil can be distributed to the contact surface with the movement of the bearing platform 7, and under the action of the check valve 808 and the spring two 819, the air bag 807 drives the moving frame 811 to reset, when it is necessary to adjust the oil supplementing amount, the locking ring 817 is pushed to make the rack 815 unlock the outer gear ring one 814, the threaded rod 813 is rotated, so that the threaded rod 813 drives the moving frame 811 to move on the sliding rail 812, so as to control the air capacity in the air bag 807.

[0032] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A high-speed cutting machine tool for die casting machining, comprising a machine body, a working cavity, a linear motor 1 and a linear motor 2 mounted on the top inner wall of the working cavity, the output end of the linear motor 1 fixedly connected to the upper side of the linear motor 2, a cutting head mounted below the linear motor 2, a variable angle cooling module mounted outside the cutting head, a mounting bracket fixedly connected to the bottom inner wall of the working cavity, two symmetrical V-shaped rails fixedly connected to the upper side of the mounting bracket, a common support slidably connected to the two V-shaped rails, and two symmetrical circulating oil replenishment modules mounted outside the mounting bracket; the circulating oil replenishment module includes an oil supply pipe with multiple equidistantly distributed circular holes on the oil supply pipe. Oil bottles are mounted on the outside of the V-shaped rails; the variable-angle cooling module includes an infrared camera and cooling pipes; two symmetrical mounting brackets are fixedly connected to the bottom inner wall of the working chamber, and the inner walls of the two mounting brackets are respectively inserted into the outside of the two oil bottles; each of the two V-shaped rails has a lower oil groove and two symmetrical upper oil grooves, with the lower oil grooves located below the upper oil grooves, and the inner walls of the lower oil grooves are fixedly connected to the outside of the oil delivery pipes; a second flexible hose is fixedly connected to the end of each of the two oil delivery pipes near the oil bottles, and the end of the second flexible hose away from the oil delivery pipe passes through the upper side of the oil bottle. The machine tool body is externally fixedly connected to two symmetrical stabilizers, each with a small hole, and a flexible hose is fixedly connected to each hole. A lead screw is movably connected to the mounting bracket, and a boss is provided on the outside of the lead screw. The upper side of the boss is fixedly connected to the bottom of the support. A second motor is fixedly connected to the bottom inner wall of the mounting bracket, and the output end of the second motor is connected to one side of the lead screw through a coupling. One end of each of the two flexible hoses is fixedly connected to an air bladder, and the other end of each hose passes through the upper side of the oil bottle on the same side and enters the oil bottle. One end of hose one in an oil bottle is located above one end of hose two. A movable frame is fixedly connected to the side of the airbag away from the stabilizer. A slide rail is fixedly connected to each movable frame, and the inner wall of each slide rail is slidably connected to the outer side of the stabilizer on the same side. A check valve is installed on the airbag. A threaded rod is installed on the side of the stabilizer away from the airbag. A slot is opened on the outer side of each movable frame, and the inner wall of each slot is rotatably connected to the outer side of the threaded rod on the same side via an external thread. An external toothed ring is installed on the outer side of each threaded rod, and the external toothed ring is connected to the outer side of the movable frame. Both sides of the components are movably connected. Each outer toothed ring has a locking ring on its outer side. Each locking ring has a rack fixedly connected to its inner wall, and the rack engages with the outer toothed ring. Each locking ring has a guide buckle slidably connected to its outer side. Each guide buckle is fixedly connected to the opposite side of the moving frame on the same side. Each guide buckle has two symmetrical springs fixedly connected to its side away from the threaded rod. The end of each spring away from the guide buckle is fixedly connected to the inner wall of the locking ring on the same side. Each moving frame and the stabilizing frame have the same spring fixedly connected to their opposite sides.

2. The high-speed cutting machine tool for hardened rails in die casting machining according to claim 1, characterized in that, The output end of the linear motor 2 is fixedly connected to a hydraulic rod 2, the output end of the hydraulic rod 2 is fixedly connected to a load-bearing frame, the top inner wall of the load-bearing frame is fixedly connected to a motor 3, the output end of the motor 3 is fixedly connected to the upper side of the cutter head, and the outside of the load-bearing frame is fixedly connected to a mounting ring.

3. The high-speed cutting machine tool for hardened rails in die casting machining according to claim 2, characterized in that, The mounting ring is slidably connected to a movable frame. An annular groove is provided on the outside of the mounting ring. An external toothed ring II is fixedly connected in the annular groove. An electric motor I is fixedly connected to the upper side of the movable frame. The output end of the electric motor I passes through the movable frame and is connected to a gear through a coupling. The gear meshes with the external toothed ring II.

4. The high-speed cutting machine tool for hardened rails in die casting machining according to claim 1, characterized in that, The cooling pipe is located outside the movable frame. A fixed frame is movably connected to the outside of the cooling pipe. The fixed frame is fixedly connected to the side opposite to the movable frame. A pump is fixedly connected to the outside of the movable frame. The output end of the pump is connected to the cooling pipe through a conduit. An observation window and a folding door are provided on the machine tool body.

5. A high-speed cutting machine tool for die casting machining with hardened guideways according to claim 3, characterized in that, The movable frame is externally connected to a hydraulic rod, the output end of which is externally connected to the cooling pipe. The hydraulic rod is located below the fixed frame, and the upper side of the infrared camera is fixedly connected to the bottom of the movable frame.

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