41results about How to "Improve tool change efficiency" patented technology

The invention discloses an efficient mold processing machine tool and a processing method, and relates to the technical field of processing machine tool structures. The machining machine tool comprises an outer shell, a mold fixing structure and a lifting mechanism located on the lower portion of the shell and a machining mechanism located on the upper portion of the shell, the lifting mechanism supports and adjusts lifting of the mold fixing structure, and the mold fixing structure comprises a first rotating mechanism driving a mold to rotate and a fixing mechanism fixing the mold; the machining mechanism comprises a machining assembly, a second rotating mechanism driving the machining assembly to rotate and a moving assembly driving the machining assembly to move horizontally. The lifting mechanism comprises a vertically-arranged telescopic hydraulic cylinder, one end of the telescopic hydraulic cylinder is fixedly connected with the shell, and the other end of the telescopic hydraulic cylinder is fixedly connected with the mold fixing structure. A damping mechanism is arranged in the center of the lifting mechanism and comprises a spring and a damper. According to the efficient mold machining machine tool and the machining method, the problem that an existing mold machining machine tool is low in machining efficiency can be effectively solved.

The invention relates to the technical field of milling machine tool rests, and discloses a metal tool rest milling machine with a flexible tool clamp reloading structure, which comprises a working table and supporting legs arranged at the bottom of the working table and fixedly connected with the working table, and further comprises a supporting frame arranged at the top of the working table and fixedly connected with the working table, the top of the supporting frame is fixedly connected with a walking mechanism. The milling device is arranged on the walking mechanism, and the walking mechanism can drive the milling device to move in the horizontal direction; and the milling device comprises a hydraulic push rod, the side face of the fixed end of the hydraulic push rod is fixedly connected with a fixing frame, the movable end of the hydraulic push rod is fixedly connected with a tool changing push rod, and the movable end of the tool changing push rod is fixedly connected with a driving motor. The metal tool rest milling machine provided with the flexible tool clamp reloading structure is simple in replacement operation, few in operation steps, high in tool replacement efficiency and convenient to adapt to the high-efficiency production requirement of industrial machining.

The utility model relates to the technical field of tool changing assemblies, in particular to a tool changing assembly based on an engraving and milling machine, which comprises a guide rail pair guide rail, at least two groups of guide rail pair sliding seats are mounted on the surface of the guide rail pair guide rail in a sliding manner, a first air cylinder is mounted above the guide rail pair sliding seats, and a first piston rod for stretching is arranged in the first air cylinder. A first base is fixedly installed at the end of the first piston rod and is of a U-shaped structure. According to the scheme, through the synergistic effect of the guide rail pair sliding seats and the first air cylinder, height and position adjustment of the tool bit is achieved, it is ensured that the tool bit can be accurately conveyed to the tool bit position of the engraving and milling machine, one guide rail pair sliding seat is used for taking down an old tool bit, the other guide rail pair sliding seat is used for installing a new tool bit, and the tool changing efficiency is remarkably improved; and through cooperation of a servo motor and a position sensor, the accuracy and stability of front-back inclination angle adjustment of the tool bit are further guaranteed, manual intervention is reduced, and the automation degree is improved.

The present invention relates to the technical field of chain-type combined tool magazines, and in particular to a chain-type combined tool magazine and a tool changing method thereof, comprising: a translation mechanism that supports and drives a tool changing arm mechanism to reciprocate for tool changing, and a plurality of chain tool magazines arranged on a sliding track where the translation mechanism is located; the plurality of chain tool magazines are arranged in a row in a direction away from a main axis, and are arranged on the same side of the translation mechanism along the sliding direction as the main axis; the axes of a plurality of tools in the chain tool magazine are located in the same plane, and empty tool positions are reserved on the chain of the chain tool magazine; the translation mechanism drives the tool changing arm mechanism to pass through the empty tool positions on the plurality of chain tool magazines in sequence to take tools from the selected chain tool magazine. In the present invention, the axes of the tools in the chain tool magazine are placed in the same plane, which reduces the tool changing space required between adjacent tool magazines, reduces the equipment footprint, and the empty tool positions reduce the number and distance of movement of the tool changing arm during the tool changing process, simplifies the tool changing path, and improves the tool changing speed.

A drawing type tool changing mechanism on a folding machine comprises a machine body, a tool rest assembly and a locking assembly. The tool rest assembly comprises a frame, a tool rest and a two-way sliding rail. The locking assembly comprises a fixing block, a pull rod and a spring. The side, facing the locking assembly, of the frame is provided with a step part, one side of the step part is provided with an inclined face, and one end of the inclined face abuts against the side face of the frame and is in smooth transition with the side face of the frame. The pull rod is arranged on the frame, the cushion block on the pull rod is located on the moving path of the step portion, the pull-out type tool changing mechanism on the folding machine unlocks the frame by pulling the pull rod, a debugger can conveniently conduct tool changing operation, when the frame needs to be locked, only the frame needs to be pushed back, and then the frame can be locked. And the cushion block slides through the inclined surface under the rebounding of the spring and is propped against one side of the step part, so that the main frame is locked. According to the tool changing mechanism, a debugger does not need to carry out tool changing operation in the machine body, and the tool changing efficiency is improved.

The utility model provides a high-speed gantry drilling and tapping machine which comprises a drilling and tapping part, a Z-axis displacement assembly, an X-axis displacement assembly, a Y-axis displacement assembly and a tool magazine assembly, the drilling and tapping part is connected with the Z-axis displacement assembly, the Z-axis displacement assembly is provided with a degree of freedom for moving along a Z axis, the Z-axis displacement assembly is connected with the X-axis displacement assembly, and the Y-axis displacement assembly is provided with a degree of freedom for moving along a Y axis. The X-axis displacement assembly is provided with a degree of freedom for moving along the X axis, the X-axis displacement assembly is connected with the Y-axis displacement assembly, and the Y-axis displacement assembly is provided with a degree of freedom for moving along the Y axis. Through the arrangement of the tool magazine assembly, the tool holder mounting plate can get close to the operation area of the drilling and tapping part during advancing, tool changing of the drilling and tapping part is facilitated, when old tools on all tool holders need to be detached and replaced, the tool holder mounting plate retreats to the far-away point so that the old tools can be unloaded, and therefore the tool magazine assembly is suitable for the portal frame type drilling and tapping machine, the tool changing efficiency can be improved, and the tool changing efficiency is improved. Therefore, the operation efficiency is improved.

The utility model provides a kind of head assembly, razor and change cutter box, head assembly, comprising: first head, is provided with first clamping part;Second head is provided with second clamping part, and the accommodating space for accommodating blade is formed between first clamping part and second clamping part;In first direction, first head and second head are relatively movable between first head and second head, first head has first position and second position relative to second head, and first head switches between first position and second position by moving relative to second head;In the first position of first head, first clamping part and second clamping part are close to each other, to hold the blade in accommodating space;In the second position of first head, first clamping part and second clamping part are far from each other, to make blade disengage or enter accommodating space.The head assembly of the utility model by setting first head and second head, when replacing blade, only need to exert force to complete the disengagement and fixation of blade, improve change cutter efficiency.

This invention belongs to the field of machine tool accessories technology and discloses a water-cooled CNC lathe tool holder, including a frame. A servo motor is fixedly installed on the left side of the frame, and a tool holder is fixedly installed at the output end of the servo motor. The outer side of the tool holder has slots at equal angles, and CNC tools are movably engaged within each slot. An extension frame is fixedly installed at the front end of the servo motor, and a tool mounting bracket located directly in front of the slots is fixedly installed on one side of the extension frame. This invention utilizes externally input high-pressure water during water cooling. Through the action of the high-pressure water, the device can automatically lock unused tools during tool changing and tool installation, preventing tool displacement. The entire process can be completed automatically before tool changing, effectively avoiding the probabilistic tool collision problem that can still occur during tool changing and tool installation in traditional devices, thus reducing safety hazards.

The utility model discloses an automatic tool changer for a CNC (computerized numerical control) machining center, which relates to the technical field of CNC milling machines and comprises a machining table, a machining mechanism is mounted on the inner side of the machining table, a tool is detachably mounted on the machining mechanism through a mounting seat at the bottom of the machining mechanism, and a tool changing component is arranged on the mounting seat. According to the automatic tool changer for the CNC machining center, by arranging the tool changing assembly, when a tool is mounted, the tool is upwards inserted into the inner side of a mounting base to push a lifting rod to move upwards, then through linkage of the lifting rod, a rack, a gear, a pushing piece and a movable plate, all clamping rotating blocks are pushed to rotate together and clamped to the inner side of a mounting groove of the tool, and the tool is mounted in the mounting groove; therefore, the situation that the clamping effect of the cutter is unstable due to the fact that the soft block and the soft strip are clamped and limited and lose elasticity and even are damaged due to friction in long-term use is avoided, and the machining effect is also guaranteed.

The utility model discloses a numerical control machining tool magazine with a quick tool changing mechanism, and relates to the technical field of machining. Comprising a shell and further comprises clamping assemblies, the outer walls of the clamping assemblies and the outer wall of the shell are fixedly installed, the clamping assemblies are arranged in an annular array mode along the central axis of the shell, the outer walls of the clamping assemblies are fixedly connected with installation assemblies, and the installation assemblies are arranged in an annular array mode along the central axis of the shell; according to the tool magazine, the clamping assembly is arranged, a unique pneumatic structure is applied, and by means of the air inlet header pipe, the air inlet ring pipe, the air inlet branch pipes, the mounting pipe and the air distributing pipe, air can be rapidly inflated into the fixed bag and the circular bag, so that a tool can be firmly clamped within a short time, and the tool changing efficiency is improved; the waiting time in the machining process is shortened, and the purpose of the numerical control machining tool magazine with the quick tool changing mechanism is achieved.

The utility model provides a kind of double mechanical hand double tool magazine automatic tool changing system, it includes: tool magazine module, it includes tool magazine support, the tool magazine component A and the tool magazine component B of identical structure being oppositely arranged on the tool magazine support, the tool magazine component A includes vertically arranged disc type tool magazine, rotation drive module for driving the circumferential rotation of the disc type tool magazine, the tool holder of a plurality of tool holders being arranged at the edge of the disc type tool magazine, the tool holder is used to store tool for spindle machining;Mechanical hand module, it includes the mechanical hand A and the mechanical hand B of identical structure being arranged at the both sides of the tool magazine module, the mechanical hand A and the mechanical hand B respectively drive tool to move to the tool magazine component A and tool magazine component B place and carry out tool changing. By the above-mentioned mode, the collaborative work of two groups of mechanical hands and two groups of disc type tool magazines, realize efficient, flexible tool changing operation, meet the demand of complex processing task.

The utility model relates to the technical field of numerically-controlled machine tool accessories, and discloses a numerically-controlled machine tool rotating type tool changing frame which comprises a wheel disc, the bottom side of the wheel disc is connected with a rotating frame through a stabilizing assembly, the front side of the wheel disc is fixedly connected with a plurality of containing sleeves, and the containing sleeves surround the front side of the wheel disc with the front side of the wheel disc as the center. An auxiliary shaft is fixedly connected to the center of the front side of the wheel disc, an abutting wheel is fixedly connected to the outer wall of the auxiliary shaft, a second motor is installed in the wheel disc, the driving end of the second motor is fixedly connected to the rear end of the auxiliary shaft, a through groove is formed in the side, close to the abutting wheel, of the containing sleeve, and an abutting assembly is arranged in the through groove. The abutting assembly is connected with the front side of the wheel disc through a reset assembly. According to the utility model, the abutting and fixing of the cutter can be relieved more conveniently, so that the cutter can be stored and taken more quickly, the cutter replacement efficiency of the numerical control machine tool is improved, and the working speed is increased.

The utility model discloses a workbench for an automatic cutting machine with a fixed tool magazine, which belongs to the technical field of cutting processing equipment and comprises a hanging frame and a movable frame, the movable frame is mounted on the lower portion of the hanging frame through a horizontal movement driving mechanism, and the horizontal movement driving mechanism drives the movable frame to move horizontally and linearly. The N clamping and grabbing units are installed on the moving frame in the horizontal linear direction at intervals, and the distribution direction of the clamping and grabbing units is perpendicular to the moving direction of the moving frame. According to the workbench for the automatic cutting machine with the fixed tool magazine, the space utilization rate, the tool changing efficiency and the like can be improved, the overall performance of a cutting machining center can be effectively improved, and an efficient, flexible and accurate solution is provided for modern cutting machining.

The utility model relates to the technical field of numerical control machining, discloses a tool changing device of a numerical control machining center, and solves the problem that a tool changing device cannot clean a changed tool bit in time. Through an electric push rod A, an L-shaped plate, a cleaning box, an electric push rod B, an air pump annular air pipe and an air spraying head, firstly, a rotating shaft and a cutter storage disc are driven by a motor to rotate, so that a required cutter head can be conveniently replaced by a cutter replacing assembly; then an L-shaped plate is located at the position of a cleaning box through stretching and retracting of an electric push rod A, then a movable box is moved to the position above the cleaning box through stretching and retracting of an electric push rod B, then an air pump blows a sponge block and a tool bit through an annular air pipe and an air spraying head, residues in a vacant tool bit groove and on the outer surface of the tool bit are helped to be removed, manual intervention is reduced, and the working efficiency is improved. And the tool changing efficiency is improved.

The invention relates to the technical field of numerical control machining, and provides a clamping jaw, a double-layer double-station chain type tool magazine and a double-spindle machining center. The clamping jaw comprises a main jaw body, clamping fingers and an elastic piece. A bayonet is formed in the first end of the main claw body, and the second end of the main claw body is configured to be connected with a conveying chain; the clamping finger is rotatably arranged at the first end of the main claw body, and the elastic piece is connected between the first end of the clamping finger and the main claw body in an abutting mode so as to control the second end of the clamping finger to be movably arranged on one side of the bayonet; the second end of the clamping finger is matched with the clamping opening so as to clamp or release a cutter handle of the cutter. The clamping requirement for a tool is met, the arrangement posture of the two clamping jaws can be flexibly arranged in an opposite arrangement mode according to the actual requirement, high-speed tool searching and tool changing are conducted on double spindles of the double-spindle machining center, the tool changing flexibility is good, the tool changing application range of the clamping jaws can be ensured, and the tool changing efficiency is improved. And the double-spindle tool changing efficiency is improved.

The tool changing mechanism comprises a tool changing arm assembly, a motor and a transmission assembly, the tool changing arm assembly comprises a tool arm body, a tool changing claw, a tool locking rod and a pushing assembly, a moving hole is formed in the tool arm body in the length direction, and a containing groove communicated with the moving hole is formed in the tool arm body in the thickness direction. The pushing part is provided with an obliquely-arranged pushing part, when the tool locking rod makes contact with the low position of the pushing part, the tool changing arm assembly is in a locked state, when the tool locking rod makes contact with the high position of the pushing part, the tool changing arm assembly is in an unlocked state, and the states of the tool changing arm assembly are switched by actuating the pushing part; the transmission assembly comprises a double-gear-tooth rotating part, a lifting assembly and a rotating assembly, the double-gear-tooth rotating part is circular and is provided with first gear teeth and second gear teeth, and the lifting assembly and the rotating assembly are engaged with the second gear teeth correspondingly. According to the tool changing mechanism, the tool changing operation can be completed through one motor, the tool changing efficiency is improved, and the cost of the tool changing mechanism is reduced.

The utility model relates to quick change type cutter processing technical field discloses a kind of quick change type cotton breaking cutter module, including workbench, and the workbench outer wall is provided with quick change assembly: the quick change assembly includes protective cover two, the inner wall of protective cover two is provided with three bevel gears, the outer wall of three the bevel gear is uniformly fixedly connected with nut, two the outer wall of nut is rotatably connected with U-shaped connecting rod, the lower surface of bevel gear is fixedly connected with transmission shaft, the outer wall of workbench is fixedly connected with protective cover three, the inner wall of protective cover three is fixedly connected with servo motor. In the utility model, servo motor drives bevel gear set, transmission shaft and other components accurate power transmission, U-shaped connecting rod ensures transmission synchronism, cooperates the quick locking of sliding lock catch and spring plunger, unlocking mechanism, improves tool changing efficiency, the cooperation of positioning steel ball and locking sleeve ensures dismounting positioning accuracy, avoids artificial alignment error, and quality stability is guaranteed.

This utility model discloses a tool magazine for use with an optical grinding machine, relating to the field of optical processing technology. It includes a grinding machine and a tool magazine rack disposed beside the grinding machine. The tool magazine rack holds several different types of tools. A first drive module is mounted at the bottom of the tool magazine rack, and a second drive module is mounted at the drive end of the first drive module. A robot is mounted at the drive end of the second drive module, and a camera is mounted on the robot's robotic arm. This tool magazine for optical grinding machines automates tool handling by adjusting the robot's position through the drive module and using the camera on the robot to identify the tools. Compared to the commonly used manual methods, tool changing efficiency is significantly improved.

The invention discloses a mechanical arm rapid automatic tool changing device which comprises a tool chuck, a tool releasing frame, a tool magazine, a pneumatic clamping jaw and a lifting air cylinder, the tool chuck is used for clamping and releasing a tool, and the tool releasing frame is used for extruding the tool chuck to open the tool chuck, so that the tool is in a movable state; the tool chuck and the tool release frame on the locking module press each other, so that the tool chuck is opened, the pneumatic clamping jaw is used for clamping the tool, and then the lifting air cylinder is used for placing the tool into the corresponding tool magazine. And then the pneumatic clamping jaw and the lifting air cylinder are used for moving the tool to the opened tool chuck in reverse, the tool is successfully installed, automatic tool changing of the tool is achieved, and the defects that manual tool changing is unsafe and the tool changing efficiency is low are overcome. The automatic tool changing device is easy to operate, the whole clamping step is high in automation degree, the structure is simple, and the tool changing efficiency is improved.

The tool magazine device is used for storing and conveying tools, comprises a connecting frame used for being connected with the machine tool, and further comprises a bottom plate, a tool changer, a tool changing device and a tool changing device, the mechanical arm is arranged on the bottom plate and is used for clamping a cutter to replace and mount the machine tool; the transmission mechanism is arranged on the bottom plate and is used for driving the cutter to move; the clamping sliding plate is arranged on the bottom plate and used for storing cutters; and the transmission chain is arranged on the transmission mechanism. According to the tool magazine device for tool changing of the machine tool and the tool changing method, the connecting frame connected with the machine tool is arranged to ensure that the whole tool magazine device is stably mounted, the bottom plate provides a unified mounting and bearing foundation for functional parts such as the mechanical arm, the transmission mechanism and the clamping sliding plate, and the problems that an existing machine tool tool magazine is loose in structure and unstable in connection are effectively solved; and orderly storage of the cutters is achieved through a clamping sliding plate, and conveying dislocation caused by disordered placement of the cutters is avoided.

The invention relates to a cutter structure capable of being rapidly switched, and relates to the technical field of machining equipment. The cutter structure capable of being rapidly switched comprises a mounting frame, the mounting frame is used for being mounted on a lathe, a rotating disc is arranged on the mounting frame and rotationally connected with the mounting frame, the rotating axis of the rotating disc is inclined to the mounting direction of the mounting frame, a plurality of cutters are arranged on the rotating disc, and the cutters are arranged on the mounting frame. The cutters are circumferentially arranged along the axis of the rotating disc, and a locking mechanism for locking the rotating disc is further arranged on the mounting frame. Compared with the prior art, the machining tool adjusting device has the following beneficial effects that related personnel can adjust the type of the tool right facing the to-be-machined part by rotating the rotating disc, so that adjustment of the machining tool is achieved, the related personnel do not need to disassemble an old tool and replace a new tool in each machining step, tool replacement by the related personnel is facilitated, the tool replacement efficiency is improved, and the machining efficiency is improved. And the workload of related personnel is reduced, so that the machining efficiency is improved on the whole.

The invention relates to the technical field of gantry machining equipment, and particularly provides a tool changing mechanism for a gantry machining center, which comprises a moving assembly, a clamping assembly and a tool changing assembly, the clamping assembly is used for clamping a cutter on the cutter bin frame; the moving assembly is connected with the clamping assembly and used for driving the clamping assembly to move. The tool changing assembly comprises a support structure and a fixing base. The fixing base is arranged on the support structure, a fixing groove is formed in the fixing base, and the fixing groove is upwards provided with an opening allowing the cutter to be inserted. The moving assembly is used for driving the clamping assembly to move to the position above the fixing groove of the tool changing assembly and enabling the clamping assembly to release the clamped tool into the fixing groove. The clamping assembly is driven by the moving assembly to automatically grab and carry the tools, automatic storage and exchange of the tools are completed in cooperation with the tool changing assembly, the tool changing efficiency of the gantry machining center is remarkably improved, and the labor intensity and the safety risk are reduced.

The utility model belongs to the technical field of tool magazines, and relates to a double-tool-locking tool changing arm which comprises a cam box, an output shaft driven by the cam box and capable of rotating in a telescopic mode and a tool arm set connected to the tail end of the output shaft, the tool arm set comprises a tool arm body, and tool buckling claws used for grabbing tools are arranged at the two tail ends of the tool arm body. A cutter buckling groove is formed in the cutter buckling claw, a cutter ejecting rod is arranged on the side, close to the cutter arm body, in the cutter buckling groove in a floating mode, and a safety ejecting pin which is matched with the cutter ejecting rod, driven through elastic force of a spring and used for keeping the cutter ejecting rod in the extending state is arranged in the cutter arm body. The top end of the safety lifting pin extends out of the upper end face of the tool changing arm body, a positioning key is arranged on one side of the tool buckling groove, a positioning groove matched with the positioning key is formed in the tool, double locking of the tool can be achieved through the positioning key and the tool jacking rod, the tool changing stability is greatly improved, the tool taking precision is guaranteed, and the tool changing efficiency is improved. And the tool changing efficiency is improved.

The application relates to a slitting mechanism convenient for knife replacement of a slitting machine, which comprises left and right wall plates, a round cutter shaft and a bottom cutter shaft arranged between the left and right wall plates, a plurality of bottom cutters arranged on the bottom cutter shaft, left and right round cutter shafts, a left clamping joint arranged on the left round cutter shaft, a right clamping joint arranged on the right round cutter shaft and used for clamping the left clamping joint, round cutters corresponding to the bottom cutters and arranged on the left and right round cutter shafts, round cutter seats movably arranged on the left and right wall plates, the left and right round cutter shafts rotatably connected to the round cutter seats of the left wall plate, the left and right round cutter shafts penetrating the round cutter seats at the ends far away from each other and rotatably sleeved with a cutter sleeve, the cutter sleeve movably sleeved with a rotating seat, support seats movably arranged on the left and right wall plates at the upper and lower ends of the rotating seat, the upper and lower ends of the rotating seat rotatably connected to the support seats, left and right driving mechanisms arranged on the rotating seat and used for driving the cutter sleeve to move leftward and rightward, and front and back driving mechanisms arranged on the left and right wall plates and used for driving the support seats to move forward and backward. The slitting mechanism can improve the convenience and efficiency of knife replacement.

The utility model relates to the technical field of planing and sanding machine, disclose a novel tool changing structure of planing and sanding machine, include: machine frame includes left side seat and right side seat, the upper end surface of left side seat is fixed with more than one slider, the upper end surface of right side seat is fixed with more than one slider, the upper cover plate is installed between left side seat and right side seat, the both sides of upper cover plate are equipped with the guide rail of cooperation with slider respectively, the both sides of upper cover plate are installed rotatable gyro wheel respectively, upper cover plate is equipped with bearing support on the front and back position, the front end and rear end of cutting main shaft are connected with bearing support respectively, the even setting planer blade is installed on cutting main shaft, the upper cover plate can be pulled relative to frame to replace the planer blade on cutting main shaft, the utility model discloses the extraction mode is convenient for planer blade replacement, and four -legged stand support increases structural stability.

The utility model relates to a doctor blade, in particular to a portable doctor blade capable of quickly positioning a pin hole, which comprises a mounting seat, and a scraper is detachably mounted on the mounting seat. A pin hole is formed in the mounting plate, a pin shaft penetrating through the mounting seat can be inserted into the pin hole, a steel wire thread sleeve communicated with the inner side of the pin hole is arranged on the mounting plate in the inclination direction of the pin hole, and a threaded pressing rod capable of being tightly pressed with or separated from the pin shaft is in threaded connection with the interior of the steel wire thread sleeve. After the pin shaft is inserted into the pin hole, the threaded pressing rod can be manually rotated, so that the threaded pressing rod moves towards the inner side of the pin hole, finally, the end of the threaded pressing rod abuts against the pin shaft to be pressed tightly, radial force is generated on the pin shaft, the pin shaft is fixed, the installation stability is improved, disassembly and assembly are convenient, and the tool changing efficiency is improved.

The utility model discloses a kind of automatic tool selecting device for machining machine tool, it is related to automatic tool changing technical field, including portal frame, the top of the portal frame is provided with truss, the front end of the portal frame is provided with machine tool mechanical arm, the bottom of the truss is provided with first electric push rod, the bottom of the first electric push rod is provided with servo motor, the bottom of the servo motor is provided with support plate, two clamping jaws are hingedly installed in the both ends of the support plate, two tool magazines are arranged below the support plate, and a plurality of protective tubes are arranged near the edge of the bottom of the tool magazines. The utility model is provided with a series of structures, when changing tools, only single displacement operation is needed to complete the operation of placing and taking tools, making the automatic tool selecting device of machining machine tool more efficient, and the tools are washed, the debris adhered to the bottom of the tools is removed, ensuring the cleanliness of the tools.

The utility model provides a high-frequency transformer pin punching tool which comprises a tool body, a movable plate is arranged on the tool body, the top of the movable plate is rotationally connected with a tool rest, tool sleeves are fixedly arranged on the two sides of the tool rest, a limiting hole is formed in one side of each tool sleeve in a penetrating mode, and the limiting holes are communicated with the tool rest. The top of the movable plate is connected with a limiting plate in an up-down elastic sliding mode, and the bottom of the limiting plate is fixedly connected with a limiting pin matched with the limiting hole in an inserted mode. The cutter rest is rotationally connected to the movable plate, the cutter sleeves are arranged on the two sides of the cutter rest, and the limiting plate for rotationally locking the cutter rest is arranged on the movable plate, so that when different cutters need to be switched, the cutter rest can be quickly turned over by operating the limiting plate, the cutter changing function is achieved, and the cutter changing efficiency in the machining process is greatly improved.

The invention discloses a numerical control machine tool automatic tool changing system and relates to the technical field of machine tool tool changing. The rotating shaft penetrates through and is fixed in the blade storage rack; the upper and lower ends of the rotating shaft are respectively screwed on the transverse plates on the upper and lower sides of the fixed rack through bearings; the equal-angle rotating mechanism is arranged in a transverse plate on the lower side of the fixing frame and connected with the lower end of the rotating shaft. The supporting column is fixed to a transverse plate on the lower side of the fixing frame, and the upper side of the supporting column is movably inserted into a cylindrical groove in the lower side of the blade storage frame. The limiting mechanism is arranged on the supporting column, the limiting mechanism is located in the blade storage rack, and the limiting mechanism is matched with storage grooves formed in the blade storage rack at equal angles; the pushing mechanism is arranged on the fixing plate and connected with the vertical plate of the fixing frame. When the blade is replaced, the blade storage assembly can be directly moved to one side of the tool apron and then directly replaced, the intermediate replacement time is saved, and the tool replacement efficiency is improved.

The utility model provides a shaft end locking tool convenient for mounting a cutter shaft of a shredder. The shaft end locking tool comprises a plurality of threaded holes formed in the end face of the cutter shaft, and the threaded holes are formed in the circumferential direction of the end face. The tool body is provided with an avoiding cavity, openings are formed in the two ends of the avoiding cavity in the axial direction of the cutter shaft and communicate with the avoiding cavity, and one opening is used for allowing the end of the cutter shaft of the shredding machine to penetrate through so that the end of the cutter shaft can be contained in the avoiding cavity. The connecting plate is arranged at the end, away from the bearing spacer bush, of the tool body and used for being connected with the end edge of the other opening of the tool body, the connecting plate is provided with a plurality of through holes, and the through holes correspond to the threaded holes. The multiple bolts are used for being arranged in the corresponding through holes in a penetrating mode and can be in threaded connection with the corresponding threaded holes, and the end edge, close to the opening of the bearing spacer bush, of the tool body can abut against the bearing spacer bush through the bolts. According to the utility model, the mounting and tool changing efficiency of the tool shaft can be improved, the tightening torque of the round nut is ensured, and the stability of equipment is improved.