1167results about "Driving apparatus" patented technology

A hand-held power tool is configured to receive an input indicative of a clutch setting for an electronic clutch from the tool operator, where the clutch setting is selectable from a drill mode, an automated drive mode and one or more user-defined drive modes. Each of the user-defined drive modes specifies a different value of torque at which to interrupt transmission of torque to the output spindle. In an automated drive mode, the controller interrupt torque to the output spindle in an automated manner when a fastener being driven reaches a desired stopping position. In a selected one of the user-defined drive modes, the controller sets a value of a maximum current threshold in accordance with the selected one of the user-defined drive modes and interrupts torque to the output spindle when current measures exceeding the maximum current threshold.

The invention provides a double-screw pump helical casing molded line forming and milling device, which relates to the field of helical casing processing, and comprises a base, a driving screw, a fixed bracket and a movable table, a threaded cylinder is installed on the bottom side in the moving table, the driving screw is further in engaged connection with the threaded cylinder through threads, two sets of machining material driving shafts are rotationally clamped to the moving table, and supporting structures are further arranged on the lower sides of the foremost ends of the parts, with the large diameters, of the two sets of machining material driving shafts. Lifting structures are further arranged at the front ends of the small-diameter parts of the two sets of machining material driving shafts, the fixing support is fixed to the base, a double-end driving motor is installed at the rear end of the top of the fixing support, and two sets of milling cutter driving shafts are rotationally clamped to the inner side of the upper end of the fixing support; and the rear end of the milling cutter driving shaft is in transmission connection with a motor shaft at the rear end of the double-head driving motor. Two sets of spiral raw materials can be machined at the same time, the manufacturing cost is low, and the problems that an existing machining machine tool is high in investment and low in machining efficiency are solved.

The invention discloses a power distribution cabinet production drilling device with a collecting structure, and relates to the technical field of power distribution cabinet production, the power distribution cabinet production drilling device comprises a workbench, the bottom of the workbench is fixedly provided with a supporting frame, the through groove is formed in the top of the workbench in a penetrating mode, the bottom of the workbench is fixedly provided with a collecting cover, and a movable seat is arranged above the workbench; an electric push rod is fixedly installed at the top of the movable seat, meanwhile, the movable end of the electric push rod penetrates through the movable seat and is fixedly provided with a movable plate, guide rods are symmetrically installed on the two sides of the top of the movable plate, the two guide rods are both slidably connected with the movable seat, and the drilling assembly is arranged below the movable plate and comprises a mounting plate; according to the drilling device, when wire holes of different sizes are drilled in a plate, drill bits of different sizes can be rapidly replaced, then the wire holes can be conveniently drilled, the replacement time of the drill bits is shortened, and the production efficiency of a power distribution cabinet is improved.

The invention relates to the technical field of equipment manufacturing, in particular to a cutting device for a threaded air-tight seal buckle of an oil casing based on industrial machinery manufacturing, which comprises a case, a cutting component is mounted in the middle of the top of the case, partition plates are mounted on two sides of the inner wall of the case, and mounting frames are mounted at the bottoms of one sides of the partition plates. A mounting frame is arranged on the machine box, a turnover mechanism is arranged on the mounting frame, a three-jaw chuck used for clamping an oil casing air-tight seal buckle is mounted at the end of the turnover mechanism, the turnover mechanism is used for driving the three-jaw chuck to rotate by 180 degrees, a funnel is mounted in the middle of the bottom of the machine box, and a supporting frame is mounted at the bottom of the machine box. Two threads of the oil casing can be cut, all-around cutting machining is achieved, effective filtering performance is formed, cooling liquid recycling is achieved, scrap accumulation and blockage are prevented, the effect of automatically cleaning the filtering cloth is formed, repeated dismounting and cleaning are not needed, the cleaning difficulty is lowered, and the service life of the filtering cloth is prolonged.

The invention relates to the technical field of engineering machinery manufacturing, in particular to an excavator part machining treatment device which comprises a fixing base, a support is fixedly connected to the fixing base, a driving mechanical arm capable of driving horizontal two-dimensional motion is installed at the top of the inner side of the support, and a sliding disc is fixedly connected to the lower end of the driving mechanical arm. The bottom face of the sliding disc is fixedly connected with a driving cylinder, and the lower end of the driving cylinder is fixedly connected with an inverted-U-shaped frame. According to the excavator part machining treatment device, three core procedures of drilling, inner wall grinding and end face grinding are integrated, through cooperative control of the driving mechanical arm, the driving air cylinder and the motor, full-process part machining can be completed without equipment replacement or repeated clamping, the part transferring and positioning time is effectively shortened, and the machining efficiency is improved. The problem that traditional step-by-step machining is low in efficiency is solved, and the machining efficiency is improved.

The invention provides a metal finish machining machine tool and a using method thereof, and belongs to the technical field of metal finish machining machine tools. The main shaft gear box is fixedly connected to the top of the machine body, a scrap iron groove is formed in the top of the machine body and corresponds to the main shaft gear box, a main shaft hole is formed in the side end of the main shaft gear box, and a clamping mechanism is arranged between the circumferential surfaces of the main shaft hole; the protective cover slides on the top of the machine body and corresponds to the spindle gear box and the scrap iron groove, the rotating disc drives the arc rod to deflect in a reciprocating mode, the arc rod drives the swing block to deflect in a reciprocating mode, the swing block drives the hollow rail and the cutter bar to deflect, the cutter bar drives the cutting knife to reciprocate in an arc mode, and the cutting knife conducts arc cutting on the spherical casting. The repeated arc feeding programming of the cutter is carried out on the surface of the ball casting, accurate cutting and polishing of the surface of the ball casting are accelerated, the machining time of a single ball casting is shortened, and the machining efficiency of a ball workpiece is effectively improved.

The drilling device comprises a machine tool and a drilling unit, the drilling unit is arranged in the machine tool to conduct drilling machining on a machine head body of the sewing machine, and the drilling unit comprises a first air cylinder, a fixing box, a drill bit, a bearing and a dismounting and mounting assembly; a first air cylinder is fixedly installed on the upper side wall body of the machine tool, an output shaft at the lower end of the first air cylinder is fixedly connected with a fixing box, a bearing is arranged on the front side of the fixing box, and one end of the drill bit penetrates through the bearing to be installed in the fixing box. The dismounting and mounting assembly comprises a fixing mechanism for mounting the sewing machine head body and a replacing mechanism for replacing the sewing machine head body; by means of the automatic drill bit replacing device, time is greatly saved, production efficiency is improved, production stagnation caused by manual drill bit replacing after shutdown is greatly reduced, and a powerful guarantee is provided for large-scale sewing machine head production.

The invention relates to the technical field of machine tool debugging, and provides a linear motor machine tool installing and debugging method and a linear motor machine tool. The method comprises the steps that a basic structure of the linear motor machine tool is installed, and the basic structure comprises a machine tool body, a stand column and a cross beam body; a lead screw adjusting tool is installed between a main shaft assembly of the machine head part and the installation base, and the installation base is movably arranged on the cross beam body in the extending direction of the cross beam body; the lead screw adjusting tool is controlled to drive the spindle assembly to ascend and descend relative to the mounting base, and Z-axis precision of the machine head part is detected; and when the Z-axis precision of the machine head part does not meet the design requirement, at least one of the corresponding assembly structures between the main shaft assembly and the mounting seat, between the cross beam body and the stand column and between the stand column and the lathe bed is overhauled. According to the method disclosed by the invention, the debugging workload of debugging personnel is simplified, the debugging difficulty is reduced, ordinary technicians can conveniently and quickly debug the Z-axis precision of the machine tool, and the precision consistency of batch machine tools can be well ensured.

The invention relates to a drilling and polishing integrated device for machining a speed reducer shell, and relates to the technical field of drilling and polishing integrated devices.The drilling and polishing integrated device comprises a rack and a mounting disc arranged on the rack in a lifting mode, a rotating disc is coaxially and rotationally arranged on the mounting disc, and a machining assembly for machining a connecting hole in the shell is arranged on the rotating disc; the shell is placed on the rack and located below the machining assembly, the rack is provided with a first power piece for driving the mounting disc to ascend and descend, a rotating assembly for driving the rotating disc to rotate and a positioning assembly for positioning and fixing the shell, and the rack is further provided with a locking assembly for locking the rotating disc and the mounting disc. The device has the effects that the clamping and positioning precision of the shell is improved, meanwhile, the precision error caused by secondary clamping and positioning is reduced, and the precision of the connecting hole and the machining efficiency are improved.

The present invention discloses a servo AC bidirectional five-axis swing head, which includes a ram end seat, a swing head support assembly, and an electric spindle. A C-axis assembly is rotatably installed in the central hole of the ram end seat, and a pair of C-axis drive motors are arranged at the upper end of the ram end seat. Each C-axis drive motor simultaneously drives the C-axis assembly to rotate through a corresponding C-axis gear transmission mechanism; the upper end of the swing head support assembly is butt-jointed and fixed to the lower end of the C-axis assembly. A pair of A-axis drive motors are installed inside the swing head support assembly, and an electric spindle support is also rotatably installed at the lower end inside the swing head support assembly. An electric spindle for installing a milling cutter is fixedly installed in the electric spindle support; each A-axis drive motor simultaneously drives the electric spindle support to rotate through a corresponding A-axis gear transmission mechanism. The structure of the present invention is reasonably designed, while ensuring the driving accuracy of the swing angle, it has a large driving torque, good running dynamic performance, and relatively fast swing speed.

The utility model relates to a thin-wall steel pipe cutting device, and aims to solve the problems of uneven pipe orifice, low precision and the like caused by a traditional cutting mode. The equipment is composed of a rack component, a cutting component and a die clamping component. The die clamping component clamps the steel pipe through the die clamping air cylinder, and the steel pipe is conveyed to a machining station through the feeding air cylinder. The cutting component comprises a servo motor, a gear set, a fixed cutter shaft and a movable cutter shaft, the servo motor drives the blade to rotate, and the cutter pushing air cylinder controls the blade to be pushed out for cutting. The inclined planes of the circular-truncated-cone-shaped blades on the fixed cutter shaft and the movable cutter shaft face opposite directions, accurate cutting can be achieved, notches are neat and smooth, and the size height is accurate. The machining method comprises the steps of feeding, clamping, feeding, blade rotating, pushing-out cutting and the like. The machining quality and efficiency of the thin-wall steel pipe can be improved, the follow-up machining workload is reduced, strict engineering requirements are met, and wide application prospects are achieved.

The invention relates to the technical field of valve flange hole machining, and discloses a valve flange hole chamfering device convenient for cleaning sweeps, which comprises a machining platform, the top of the machining platform is fixedly connected with a mounting frame and a side bracket, and the interior of the mounting frame is provided with two guide rods through a horizontal fixing seat; a transverse moving plate is slidably connected between the two guide rods through a sliding table, a rotating shaft is rotatably connected into the transverse moving plate through a bearing, and a mounting disc is connected to the top end of the rotating shaft through a quick release assembly. Scraps generated by chamfering are collected through the mounting disc, so that follow-up cleaning is facilitated, quick dismounting and mounting of the mounting disc are achieved through the arranged quick dismounting assembly, use is easy and convenient, a valve flange is accurately positioned through a positioning needle, the height of the positioning needle is smaller than the thickness of the valve flange, and the valve flange can be conveniently and quickly dismounted and mounted. Therefore, the positioning pin does not affect the chamfering operation of the mounting hole of the valve flange.

The invention belongs to the technical field of flange machining, and particularly relates to a multi-shaft drilling device for flange machining, the multi-shaft drilling device comprises a to-be-machined flange body, a drilling platform, flange clamps and a drilling bit, at least two evenly-distributed moving grooves are formed in the top of the drilling platform, and each moving groove is internally and movably provided with one flange clamp; the flange body to be machined is arranged in the center of the top of the drilling platform and located between the flange clamps. According to the device, when the linear moving frame moves downwards, the vertical frame drives the first piezoelectric plate to move downwards until the first piezoelectric plate is in contact with the second piezoelectric plate, so that the switch electromagnetic block is electrified, and then the magnetic sliding block drives the pushing frame to slide in the direction away from the switch electromagnetic block under the action of magnetic repulsive force of the switch electromagnetic block and the magnetic sliding block, that is, the pushing frame drives the flange clamp to move; and all the flange clamps are made to make folding movement, so that the flange body to be machined is fixed to the center of the drilling platform, the drilling position is more accurate, and the positioning action is automatically completed.

The invention discloses an intelligent drilling device for hub production, and relates to the technical field of hub drilling, the intelligent drilling device comprises a workbench, a first electric sliding rail is arranged on the upper side of the workbench, a clamping mechanism used for clamping a hub is arranged at the sliding end of the first electric sliding rail, and a water circulation mechanism is arranged on one side of the first electric sliding rail; an alignment mechanism is arranged on one side of the water circulation mechanism, the output end of a first hydraulic cylinder stretches out and draws back to drive a square key to move up and down, so that the square key is sequentially clamped into a first square groove and a second square groove, and a second motor indirectly drives a first gear and a third gear to sequentially rotate; according to the hub drilling device, the hub is driven to rotate, then the outer ring hole drill bit and the inner ring hole drill bit are driven to rotate, automatic gun drilling is conducted on holes of the outer ring and the inner ring of the hub in sequence, when gun drilling is conducted on the holes of the inner ring and the outer ring of the hub, manual control is not needed, gun drilling is conducted on the same device, and the effect that the hub outer ring and inner ring drilling efficiency is high is achieved.

The utility model discloses a liquid rocket engine frame butt joint hole machining device, and particularly relates to the technical field of hole aligning devices. When machining of a liquid rocket engine frame butt joint hole is started, a boring cutter makes contact with a hole opening point of the butt joint hole, a guide frame makes contact with the butt joint hole in advance, and a rubber pad in the guide frame makes close contact with the wall of the butt joint hole; the guide frame makes contact with the butt joint hole wall through the rubber pad, errors caused by vibration or deviation of the boring cutter can be effectively prevented, the guide frame is aligned with the axis of the boring cutter, the stability of the boring cutter in the machining process is guaranteed, the device has high adaptability and high precision, working parameters can be adjusted according to actual requirements, and the service life of the boring cutter is prolonged. The device is simple in structure, stable in the machining process and capable of remarkably reducing errors, abrasion is effectively reduced through combination of a stabilizing assembly and a hydraulic system, the service life is prolonged, the maintenance cost is reduced, the hole machining task is efficiently completed through an advanced stabilizing and adjusting mechanism, and the device has the long-term use stability.

The utility model discloses a pipe cutting machine, and aims to provide a pipe clamping and driving device which is good in clamping effect, convenient to guide and drive a pipe after cutting and good in safety in the cutting process, and adopts the technical scheme that the pipe needing to be machined is clamped and rotated in a transmission main shaft; meanwhile, the cutting assembly cuts the pipe fittings, the cutting assembly and the clamping assembly are arranged on the driving sliding table, an adjusting plate is further arranged in the cutting assembly, so that the cutting head can cut the pipe fittings with different diameters, and the clamping assembly can clamp the pipe fittings after cutting is completed; the pipe fitting machining cutting machine is suitable for the technical field of pipe fitting machining cutting machines.

The utility model provides a brake locking mechanism which comprises a cylinder body, a piston, a stator fixing disc and a brake pad, the piston is movably arranged in the cylinder body, and an elastic piece is arranged between the piston and the cylinder body; a stator fixing disc is connected with the cylinder body, an abutting part and an oil way are arranged on the stator fixing disc, and an oil cavity is formed between an outlet of the oil way and the piston; the brake pad is connected with the mandrel, and the brake pad is arranged between the piston and the abutting part; the piston has a braking state and an unlocking state; in the braking state, the piston is driven by the elastic force of the elastic piece to move towards the abutting portion till the brake pad is clamped by the piston and the abutting portion. And in the unlocking state, oil enters the oil way to push the piston to overcome the elastic force to loosen the brake pad. The elastic piece is a disc spring, the disc spring has the advantages of being fast in response, high in output force and the like, the deflection angle of the five-axis cradle rotary table under the conditions of power failure and sudden stop is effectively reduced, and the comprehensive cost of the locking mechanism is reduced.

The invention discloses an automatic control system for spinneret plate special-shaped hole machining, and relates to the technical field of spinneret plate machining. A controller controls all modules to operate, a mechanical arm transfers a to-be-machined spinneret plate on a conveying mechanism to a positioning mechanism, the positioning mechanism positions and clamps the to-be-machined spinneret plate, and then the to-be-machined spinneret plate is conveyed to the automatic control system. The processing mechanism processes a to-be-processed spinneret plate, the moving mechanism drives the workbench to move along a specific track so as to realize processing of a special-shaped hole, meanwhile, the cooling mechanism cools the spinneret plate in processing and dynamically adjusts the scouring angle of cooling liquid, and after processing is completed, the positioning mechanism loosens the spinneret plate so as to finish processing of the special-shaped hole. The mechanical arm moves the spinneret plate to the other conveying mechanism to be conveyed away, the machining mechanism machines the spinneret plate on the other positioning mechanism, the mechanical arm moves the spinneret plate to be machined on the conveying mechanism to the positioning mechanism again, and therefore automatic control over spinneret plate special-shaped hole machining is achieved.

According to the hardware mold machining control method and system, energy of flutter characteristic frequency components is obtained by collecting cutting torque signals and conducting frequency analysis, the flutter risk is evaluated by dynamically setting an energy threshold value based on the overhanging length of a tool, the feeding rate and the rotating speed of a main shaft are adjusted when the response risk exists, and the machining accuracy of the hardware mold is improved. Therefore, fluttering in the machining process can be effectively recognized and inhibited, and the method has the advantages that fluttering in the machining process can be effectively recognized and inhibited, the machining quality is improved, and the service life of a tool is prolonged.

The invention relates to the technical field of deep hole machines, and discloses a bolt sleeve three-station deep hole machine which comprises a bottom shell, an upper machine shell and a plurality of hydraulic clamping shells, the upper machine shell is fixed to the top of the bottom shell, and the hydraulic clamping shells are fixed in the upper machine shell. A hydraulic oil cylinder is fixed to the center of the outer wall of the top of the hydraulic clamping shell, a connecting rod is arranged at the bottom end of a piston rod of the hydraulic oil cylinder, a movable seat is arranged at the bottom end of the connecting rod, a pressing block is arranged at the bottom of the movable seat, a drill sleeve is arranged on the inner wall of the bottom of the hydraulic clamping shell, and a bolt sleeve is arranged between the drill sleeve and the pressing block. The drilling motor drives the drill bit to rotate, drilling of the bolt sleeve is achieved, and due to the fact that the bolt sleeve is vertically arranged, chip removal in the drilling process is facilitated; and through the arrangement of the three hydraulic clamping shells and the assemblies of the hydraulic clamping shells, bolt sleeve drilling machining can be independently conducted on three stations, and the machining efficiency can be improved.

The invention belongs to the field of tapping machine fault early warning, and particularly relates to a tapping machine fault early warning mechanism and early warning method for battery cabinet machining, which comprises a tapping machine, a tapping machine brake system, a workbench, a fixing module, a gravitation early warning module, a tightening module, a counting early warning module, a pressing module and a power connection detection module, the fixing module is used for keeping the tapping machine stable during power-on detection; the gravitation early warning module is used for displaying the distance that the assembly is pulled by gravitation generated by the drilling and tapping brake coil and the brake clutch plate when the tapping machine is powered on; the tightening module is used for limiting the position of the drilling and tapping brake back plate without preventing the drilling and tapping brake back plate from rotating; the counting early warning module is used for counting the number of rotation turns of the end not passing through the brake system and the end passing through the brake system. The pressing module is used for temporarily fixing the detached brake coil to be tested; and the electric connection detection module is used for detecting whether the inner wall coil of the brake coil to be detected is in good access or not and whether the insulation effect of the insulation coating is perfect or not by using a universal meter.

The invention belongs to the technical field of metal pipe fitting cutting equipment, and particularly relates to a metal pipe fitting cutting machining device which comprises a base, a fixed tool rest, a rotating tool rest, a cutting assembly and a detecting assembly, the fixed tool rest is provided with an annular sliding rail with an opening, and the rotating tool rest is in sliding fit with the sliding rail through a sliding block and can rotate around a pipe fitting; the cutting assembly is installed on the rotating tool rest through a sliding support, feeding of the cutting assembly is controlled by a motor driving lead screw, and the detection assembly detects the cutting depth in real time through spring pressing and a travel switch. Through linkage of detection feedback and a control system, the thick-wall pipe fitting can be automatically cut in a layered mode according to the set thickness, the cutting efficiency and the machining precision are greatly improved, the cutting resistance is effectively reduced, the cutter collision accident is fundamentally prevented, and the machining safety and the service life of a cutter are guaranteed.

A rotary force transmission device (2) and a machine tool. The rotary force transmission device (2) comprises a power connecting portion, a machine tool spindle fixing portion, a first clutch mechanism, a lead screw (21), a lead screw nut (22) and a pull rod connecting shaft (23), wherein the lead screw nut (22) matches the lead screw (21); when the lead screw (21) rotates, the lead screw nut (22) can translate forwards and backwards; the pull rod connecting shaft (23) is mounted to the lead screw nut (22) at one end of the lead screw nut; the power connecting portion is located at an input end of the lead screw (21); the machine tool spindle fixing portion is adjacent to an output end of the lead screw (21); and part of the first clutch mechanism is connected to the power connecting portion, and part of the first clutch mechanism is connected to the lead screw (21), such that the power connecting portion is in transmission connection with or is in disengaged transmission connection from the lead screw (21). The rotary force transmission device (2) can be directly, serving as one associated component, sleeved inside the machine tool spindle (41), such that the reliability is better.

The invention relates to the technical field of boring and milling power heads, in particular to a universal boring and milling power head device assembly which comprises a rotary cutter head, the upper end of the rotary cutter head is rotationally sleeved with a first rotary base, the upper end of the first rotary base is rotationally provided with a second rotary base, and the second rotary base is provided with an angle head; a cutter is arranged in the rotary cutter head, and the bevel gear box is used for driving the cutter to rotate for machining; a magnetic grid angle encoder is arranged on the angle scale; the brake assembly is used for being attached to the outer wall of the angle disc after rotating to a set angle value and fixing and limiting the angle disc, the angle is adjusted through a driving motor, high-precision and high-stability angle adjusting and fixing are achieved in combination with worm and gear self-locking, friction limiting, cooling non-return and multiple limiting structures, angle deviation in the machining process is avoided, and the machining precision is improved. The universal boring and milling machining precision and reliability are improved, the adjustable angle range is wide, the precision is high, and the bearable output cutting force is improved.

The present invention relates to the technical field of drilling and tapping of aluminum die-castings, in particular to a multi-axis drilling and tapping integrated machine for the production of aluminum die-castings, which includes a machine body cabinet. A first axial electric slide is arranged on the upper side of the machine body cabinet. A second axial electric slide is fixedly connected between the slides of the first axial electric slide. An axial lifting assembly is fixedly installed on the side of the slide of the second axial electric slide. A drainage groove is opened on the upper side of the machine body cabinet, and a drain pipe is arranged at the bottom side of the drainage groove. A driving mechanism is arranged on the upper side of the machine body cabinet, and a tapping mechanism is arranged on the side of the axial lifting assembly. By setting the driving mechanism and the tapping mechanism, the present invention can perform automatic clamping stability and self-adjustment of the angle position orientation of the aluminum die-casting, avoiding the problems of low efficiency in manual adjustment operation by workers and the problem of inconvenient clamping of special-shaped die-castings by fixtures to make the corresponding surface face upwards stably. It can perform synchronous drilling and tapping operations on one side of the aluminum die-casting and self-avoidance operations during drilling and tapping operations.

The utility model relates to the field of cutting devices, and discloses a metal calendaring cutting machine which comprises a cutting workbench, two mounting vertical plates are fixedly mounted on the front side of the cutting workbench, transverse cutting adjusting mechanisms are arranged on the sides, away from the cutting workbench, of the two mounting vertical plates, rectangular limiting holes are formed in one sides of the mounting vertical plates, and transverse cutting adjusting mechanisms are arranged on the other sides of the mounting vertical plates. An electric push rod pushes a mounting adjusting block, a rotating shaft, a mounting ring and a cutting blade to move downwards, the cutting blade makes contact with the surface of the metal plate, then a worker starts a second motor to drive a conveying roller to rotate, the metal plate is conveyed forwards, and at the moment, the worker starts a first motor to drive the rotating shaft, the mounting ring and the cutting blade to rotate to conduct cutting operation on the metal plate. According to the device, through adjustment of the electric push rod, the height of the cutting blade can be easily adjusted to adapt to metal plates with different thicknesses, so that the metal plates are cut to the required width, and the practicability and flexibility of the device are improved.

The invention relates to the technical field of combined machining tools, and discloses a gantry moving drilling, boring and milling combined machining tool which comprises a frame mechanism, a driving assembly is fixedly installed on the side wall of the frame mechanism, an extrusion assembly is installed on the side wall of the frame mechanism, and when the moving speed of a feeding shaft is high, the driving assembly drives the extrusion assembly to rotate. The first bevel block can drive the spring round ball rod to move rapidly, the connecting sliding block can drive the hydraulic piston rod to move rapidly, but hydraulic oil in the hydraulic cylinder can slow down the moving speed of the hydraulic piston rod, the speed difference is formed between the first bevel block and the spring round ball rod, and the first bevel block can extrude the spring round ball rod to move and push the spring pushing rod to move. Through the application of the structure, when the moving speed of the feeding shaft is too high, the feeding shaft can automatically stop, and the situation that due to the fact that the moving speed of the feeding shaft is too high, a cutting tool makes contact with a workpiece quickly and collides with the workpiece, and a machine tool body and the workpiece are damaged is effectively prevented.

The invention discloses oil-gas mixed transportation variable vane pump machining equipment, and belongs to the technical field of vane pump machining, the oil-gas mixed transportation variable vane pump machining equipment comprises a clamping mechanism used for clamping a pump rotor, and the clamping mechanism is provided with a center mechanism used for machining a center hole of the pump rotor and a milling mechanism used for milling vane grooves of the pump rotor; the milling mechanism provided by the invention realizes full-automatic milling of vane pump rotor blade grooves through simultaneous autorotation and internal and external displacement of eight milling cutter modules, and the machining efficiency is high; the tension spring and the tension spring enable the milling cutter module to keep a stable working state during milling, and when the milling cutter module is not used, the milling cutter module can be located at an initial position, so that the stability is good; when the center mechanism is used for machining the center hole of the vane pump rotor, the clamping mechanism is driven to powerfully clamp and position the pump rotor, and the situation that the machining precision is affected due to the fact that the pump rotor vibrates excessively in the machining process is prevented.