137results about How to "Easy tool change" patented technology

An ultrasound ellipse vibration milling knife handle device comprises a power supply box, an ultrasound ellipse vibration milling knife handle, a sealing ring and a protective cover. The upper end surface of the power supply box is connected with the lower plane of a cutter disk of a tool through bolts, a small circular shaft of the ultrasound ellipse vibration milling knife handle is connected with the cutting disk through a spring collet, the upper end surface of a large cylinder is connected with the lower end surface of the power supply box in a screw mode, the sealing ring is arranged on the lower end surface of the large cylinder, and the sealing ring is connected with the protective cover through bolts. The ultrasound ellipse vibration milling knife handle device can be flexibly connected with a traditional processing center in a butted mode, high frequency ultrasound ellipse vibration milling is achieved, and the effects of titanium alloy and composite material milling with high accuracy and high efficiency are achieved. The ultrasound ellipse vibration milling knife handle device has a wide application prospect in the technical field of ultrasound vibration processing devices.

The invention discloses a portal frame type compound wood processing center which comprises a base, a cross beam, a work table, a wood processing device, a vertical mobile device, a horizontal mobile device and a cutter storeroom, wherein the cross beam and the work table are arranged on the base; the wood processing device is arranged on the cross beam; the vertical mobile device drives the wood processing device to move up and down; the horizontal mobile device drives a main shaft and a gang drill to horizontally move; the cutter storeroom is used for replacing a cutter for the wood processing device. According to the processing center, the vertical mobile device and the horizontal mobile device are arranged on the cross beam to drive the wood processing device, so that the wood processing device can flexibly move according to processing requirements; the cutter storeroom is arranged on the side wall of a base plate of the vertical mobile device, so that the cutter replacement of the wood processing device is relatively convenient, and the complex step of manual cutter replacement is prevented; woods to be processed can be automatically moved to a processing position through the movable work table; the devices provide great convenience for processing the woods in the processing center, so that the manufacturing efficiency of products is improved, the manual labor amount is reduced, and the production cost is reduced.

The invention discloses a high frequency ultrasound elliptic vibration cutting device which comprises an ultrasound vibration unit and a casing unit. The ultrasound vibration unit is arranged in the casing unit. The casing unit comprises a base, A cover plate, B cover plate and an upper cover plate. The ultrasound vibration unit comprises an amplitude transformer, a vibrating body, A excitation source, B excitation source and C excitation source. The amplitude transformer is installed on the vibrating body. The end part of the amplitude transformer is provided with a cutting tool. The A excitation source and the B excitation source are arranged in parallel way and are adhered on the lateral side of the vibrating body. The C excitation source is installed on the lower part of the vibrating body. The A excitation source and the B excitation source form the driving power in horizontal direction. The C excitation source forms the driving power in vertical direction. The phase separation between two mutually vertical high frequency vibrations is applied for compounding an elliptic vibration at the point of the cutting tool. Thus, the processing surface roughness is lowered effectively. The cutting device works at the high vibration frequency of 100 kHz-200 kHz, so that the vibration chipping critical speed of the cutting tool is improved, and the processing efficiency is improved obviously. The amplitude transformer is adopted to be inserted in the vibration body, so that the installation is easy, and the practicality of the ultrasound elliptic vibration cutting can be promoted.

The invention discloses a multifunctional aggregate machine, comprising a base, a cylinder, a power device and a transmission device. The transmission device comprises a bearing seat, and a transmission part; the bearing seat and the power device are respectively fixed on the base; the cylinder is fixed on the bearing seat; the bearing seat is provided with a main shaft; one end of the main shaft extends into the cylinder, and the other end of the main shaft is connected with the power device; a knife rest assembly is arranged between the cylinder and the main shaft; the cylinder is also provided with a heating device and a temperature measuring device; and the cylinder is connected with a cooling water supply device, a moisture removing device and a discharging cylinder device. In this way, the invention can realize functions of grinding, mixing and granulation at a same time, and has advantages of high production efficiency, low energy consumption, adjustable shearing clearance, convenient tool changing, simple machinery structure and convenient operation.

The invention discloses a drilling machining device for synchronously removing cutting scraps. The drilling machining device comprises a base and a tool rest, wherein an air pump is installed on the left side of the upper portion of the base, the right side of the air pump is communicated with an air pipe, the right side of the upper portion of the base is provided with a first hydraulic cylinder,a first hydraulic rod is installed above the first hydraulic cylinder, a basic table is arranged above the air pump, a supporting rod is fixed to the left side of the upper portion of the basic table, a horizontal supporting rod frame is installed on the right side of the upper portion of the supporting rod, the middle of the horizontal supporting rod frame is provided with a lifting plate, a damping spring is installed below the lifting plate, and the tool rest is arranged below the damping spring. The drilling machining device for synchronously removing cutting scraps makes the basic tablehave an air suction fixing structure serving as a clamp by arranging a suction cup and the air pump, utilizes the air suction fixing mode to fix a workpiece, is convenient and quick and can limit a drilling route and range under the effect of a pressing-fixing ring.

The invention discloses an efficient computer numerical control (CNC) machining device and method. The efficient CNC machining device comprises a device seat, a clamp seat is arranged on the device seat, and a clamp device is arranged on the clamp seat. The efficient CNC machining device is characterized in that a CNC cutter mechanism capable of machining workpieces on the clamp device is arrangedon the position, on one side of the clamp seat, of the device seat, and a cutter replacing mechanism capable of conducting quick cutter replacing on the CNC cutter mechanism is arranged on the position, on one side of the CNC cutter mechanism, of the device seat. According to the efficient CNC machining device and method, the deficiencies in the prior art are overcome, the structure is simple, and cutter replacing is quick.

An intellectual automatic tool changer (ATC) speed moderating system, which is disposed between a tool magazine and a tool exchanging arm, includes an image capture device for capturing the image of tools, and a processing device connected with the image capturing device. The processing device includes a receiving module for receiving the images of tools, a calculating module for calculating an assessment value of a tool according to the image of the tool, and a signal transmitting module connected with a controller of the tool exchanging arm for transmitting the assessment value of the tool to the controller. Therefore, the tool changing speed of the tool changing arm is controlled and moderated.

The invention discloses a fixture special for grinding and machining of an HSK (Hohl Schaft Kegel) shank series cutter. The fixture comprises a flange connected with a machine tool spindle, and an HSK adjusting mechanism, wherein the HSK adjusting mechanism comprises a convex block, the convex block is provided with cavities along a central axis; the cavity on the left side of the convex block isprovided with an HSK broach claw, and the cavity facing the right end surface of a bottom block is in a taper shape adaptive to an HSK shank; the flange comprises a flange plate and a connecting shaft horizontally and fixedly arranged on the left side of the flange plate, the right end surface of the flange plate is provided with a concave cavity, and the convex part of the convex block is positioned in the concave cavity; the left end surface of the bottom block is opposite to the right end surface of the flange; the flange plate at the circumference of the convex part is provided with a radial adjusting top thread, and the bottom end of the radial adjusting top thread leans against the external surface of the convex part; and the bottom block of the convex block is provided with an axial adjusting top thread, and the bottom end of the axial adjusting top thread leans against the right end surface of the flange. The fixture can effectively increase the combined rigidity of the shank to the machine tool spindle, greatly increase the repeated positioning accuracy and has a good high-speed locking property.

The invention relates to a quick manual tool changing mechanism of a numerical control milling machine, which comprises a tool holder. A cam is installed on the holder, a tool-changing handler is connected to the cam, a mandril is arranged on the lower part of the cam, a bolt connected to the end of the mandril around which springs are provided, a spindle is arranged on the lower part of the tool holder, a pull rod which is on the relative position to the spindle is sleeved inside the spindle, disk springs are provided around the upper end of the pull rod, the upper end of the pull rod is connected with the spindle by locknuts, a cutter fixed seat is connected to the end part of the pull rod, and a taper hole at the end of the spindle is led to the cutter fixed seat. The device greatly reduces the manufacturing and using cost, improves tool changing efficiency of manual changing mechanism simultaneously, and reduces working intensity of labors. The mechanism is not only characterized in high efficiency and low working intensity of a pneumatic tool changing mechanism, but also in simple structure and lower cost of the manual tool changing mechanism.

The invention discloses a rapid manual tool changing mechanism of a numerical control milling machine, comprising a machine tool box which is provided with a hollow spindle in a rotating manner; a draw bar is arranged in the inner bore of the spindle; a coniform inner bore is arranged on the external end face of the spindle; a tool changing seat is fixedly installed outside the machine tool box; a cam is installed in the tool changing seat in a rotating manner; a cam mechanism is formed by the cam and a mandril below the cam; a bolt is connected between the lower end of the mandril and the draw bar; a locknut is screwed on the draw bar; a butterfly spring sheathed on the draw bar is positioned between steps of the locknut and the inner bore of the spindle; and the external end of the draw bar is fixedly connected with a tool holder. The tool changing speed of the rapid manual tool changing mechanism is increased by over 10 times, thus saving plenty of tool changing time, greatly lowering labor intensity of operators, greatly lowering the use cost and having obvious economic benefit.

The invention discloses an engraving and milling machine tool with a servo magazine. The engraving and milling machine tool is characterized in that the magazine is obliquely mounted on a cutter head supporting oblique plane of a cutter head supporting seat, faces a spindle and comprises a turntable, a plurality of sets of jaw groups and shanks, the turntable is parallelly mounted on the cutter head supporting oblique plane of the cutter head supporting seat, the multiple sets of jaw groups are circularly distributed at the peripheral edge of the turntable, and the shanks with milling cutters are clamped on the jaw groups; the set of jaw groups at the lowermost end of the magazine is positioned at a horizontal location. The engraving and milling machine tool has the advantages that the magazine can easily avoid cutter shafts when rotating, the jaw groups can be horizontally shifted after the shanks are mounted on or detached from the cutter shafts in the vertical directions, accordingly, the magazine only needs to rotate on the cutter head supporting oblique plane of the cutter head supporting seat in integral cutter changing procedures and can avoid the cutter shafts without translating in the X-axis direction, cutters can be changed without large spaces, and the integral engraving and milling machine tool is compact in integral structure and small in occupied space; the integral cutter changing procedures are simple, the cutter changing time can be greatly shortened, accordingly, the engraving and milling machine tool is reasonable in structure and low in production cost, and the cutter changing efficiency can be greatly improved.

A combination device (1) is provided for carrying out various work tasks, such as cutting snow, mowing, scarifying, soil breaking or the like. The device includes a plurality of interchangeable work implements (60) tailored to the respective work task. A basic frame is provided in which the respective work implement (60) is accommodated and can be driven to rotate, and wherein the respectively installed work implement (60) is partially enclosed by a housing (23) extending parallel to the axis of rotation of the work implement. In order to tailor the combination device optimally to the respective work task, provision is made for the housing (23) to be able to rotate about an axis parallel to the axis of rotation of the respective work implement (60) and to be fastened in various operating positions corresponding to the respective work task.

The invention discloses a cutter changing platform used for a TMB positive hobbing cutter. The cutter changing platform comprises a hobbing cutter clamping claw, a connecting base connected with equipment, a Z-axis direction motion unit, an X-axis direction motion unit and a Y-axis direction motion unit, wherein motion in a Z-axis direction is realized by a lifting part of a slide platform; a nutlead screw mechanism driven by a motor enables the slide platform to realize motion in an X-axis direction; a Y-direction slide rod arranged on the slide platform drives a nut lead screw mechanism arranged between the motor and the Y-direction slide rod through the motor to drive the hobbing cutter clamping claw to realize motion in a Y-axis direction; a transmission shaft connected with the hobbing cutter clamping claw is connected with a step motor; and the step motor can rotate the hobbing cutter clamping claw to different angles. Under driving of each motor, the cutter changing platform precisely positions a cutter changing position to perform cutter changing work. The cutter changing platform can be used on a cutter changing robot, and avoids potential safety hazards in an existing manual cutter changing process. The cutter changing platform simplifies a cutter changing step, controls the cutter changing process by the controller, and is convenient for remote control.

The invention discloses a carving machine and a control circuit thereof. The carving machine comprises a base, a Y axis motor and an X axis motor; a paper moving axis and a paper pressing axis moving continuously with the Y axis motor, a racing car connected with a synchronous belt moved continuously with the X axis motor, a lower arbor connected with the racing car, a knife block arranged at the front end of the lower arbor, an electromagnetic module connected with the lower arbor and arranged in the base, a transmission mechanism, a driving control board including a control circuit arranged on the base. The control circuit comprises a central processing unit and a programmable logic cell connected with the central processing unit as well as an X axis motor driving circuit, a Y axis motor driving circuit and a nicking tool controlling circuit respectively used for generating driving by a transmitted control instruction so as to drive the racing car to move by the X axis motor in the X axis direction through the transmission mechanism at a changing speed and the synchronous belt; driving the paper moving axis to move from the front to the back in the X axis direction through the transmission mechanism at a changing speed by the Y axis motor; controlling the electromagnetic module to drive the knife block to generate lettering actions. The invention has the advantages of simple structure and high control precision.

The invention discloses a low-speed high-torque and permanent-magnet synchronous high-speed automatic tool-changing electric spindle. The electric spindle comprises a motor body, and a stator, a rotor, a rotor shaft, a spring pre-tightening mechanism, a front bearing and a rear bearing are arranged inside the motor body. The electric spindle further comprises a connection base fixed to the rear end of the motor body, a connector fixedly connected to the connection base, a steam cylinder assembly fixedly connected to the connector, a rear cover arranged at the end of the steam cylinder assembly and a front end cover connected to the front end of the motor body. A tool loosening and pulling mechanism is arranged in the center of the rotor shaft, a pulling claw is arranged at the front end of the tool loosening and pulling mechanism, a disc spring assembly is installed in the middle of the tool loosening and pulling mechanism, a high-performance sensor is adopted together, and therefore automatic tool changing is more convenient and accurate and rapider. A magneto-electric coder is adopted at the rear end, so that low-speed torque output is more balanced. Compressed air is adopted for non-contact air sealing so that higher rotation speed can be obtained. The electric spindle is simple and compact in structure and powerful in function, is smaller than common electric spindles with the same power in size, has the advantages that the speed is low and the torque is high and can be widely applied to high-speed and low-speed precision machining of various materials.

The invention provides an ultra-high-speed electric spindle with an embedded cold air device. The ultra-high-speed electric spindle comprises a spindle main body, a spindle shell and the cold air device. The spindle main body and the cold air device are arranged inside the spindle shell. An air inlet is formed in the side face of the spindle shell, and an air outlet is perpendicularly formed in the lower end of the spindle shell. The cold air device is sleeved with the spindle main body and comprises a hollow chamber, and a cooling fin is arranged at the bottom of the hollow chamber. The upperend of the side, away from the air inlet, of the cooling fin is provided with a spherical groove, and the cooling fin divides the hollow chamber into a mixed gas chamber body and a swirl chamber body. The upper end of the cooling fin and the top of the hollow chamber form an air guide groove, and the mixed gas chamber body communicates with the air inlet. The air guide groove is in pipeline connection with the air outlet through a cold air pipe, a hot air port is formed in the hollow chamber, and the hot air port communicates with outside air. Cold air is low temperature compressed air, low temperature CO2, supercritical CO2 or low temperature nitrogen. The cooling effect of the electric spindle is good, chip removal is facilitated, and a needle is not prone to being broken.

The present invention relates to the technical field of power distribution switchgear operation and more particularly to a power distribution switchgear auxiliary operation robot. The robot comprisesa control device and also comprises a moving device, an operation device, an X-axis moving device, a Y-axis moving device, a rotation seat and a Z-axis moving device electrically connected to the control device. The operation device comprises a tool change assembly and an operation assembly, and the operation assembly comprises an X-axis moving seat, a clamp rotating unit and an operating clamp. The operating clamp is connected to a power output end of the clamp rotating unit, and the clamp rotating unit is connected to the X-axis moving device through the X-axis moving base to move along an X-axis direction. The tool change assembly includes a tool change driving unit, a support frame and a tool change disc. A first end of the support frame is fixed to the moving device, the tool change driving unit and the tool change disc are installed on a second end of the support frame, and the tool change driving unit is connected to the tool change disc to rotate the tool change disc for the operating clamp to change a tool. According to the power distribution switchgear auxiliary operation robot, the efficiency of the operation of a power distribution switchgear is effectively improved.

The invention relates to an environmental protection composite cement hollow brick surface intelligent processing equipment, comprising a bottom plate, two auxiliary moving devices, a rotating support device, two lifting limit devices and a cutter head switching device, and the two auxiliary moving devices are installed symmetrically On the base plate, the rotating support device is installed on the base plate, and the two auxiliary moving devices are symmetrically located on the left and right sides of the rotating support device, the two lifting limit devices are symmetrically installed on the rotating support device, and the cutter head switching device is installed on the two auxiliary moving devices. between mobile devices. The present invention can solve the problem that the existing hollow brick surface processing equipment in the existing process of manually processing the surface of the hollow brick does not unify the processing direction of the hollow brick, the manual clamping of the hollow brick is unstable, the tool change is cumbersome and complicated, and it is complicated to perform multiple surface treatments on the hollow brick. , It is easy to produce errors in the processing process, the time consumption is long, the labor intensity is high and the efficiency is low, and the function of automatic processing of the surface of the hollow brick can be realized.

The invention relates to a ball head milling cutter, in particular to a ball head milling cutter for splicing die milling so as to solve the problems that in the cutting process, an existing rotary milling cutter is large in cutting force and large in vibration, consequently, the cutter is seriously abraded, and the machining quality is poor. A body is provided with spiral cutting blades. A front cutter face 1, a first rear cutter face 1 and a second rear cutter face 1 are arranged on the two sides of a first cutting blade. A front cutter face 2, a first rear cutter face 2 and a second rear cutter face 2 are arranged on the two sides of a second cutting blade. The upper surface of the body is connected with a first main groove hook face and a second auxiliary groove hook face. A transition part of the front cutter face 1 and the first main groove hook face is a first scrap containing groove, and the second auxiliary groove hook face is connected with the second rear cutter face 2. The lower surface of the body is connected with a second main groove hook face and a first auxiliary groove hook face, the transition part of the front cutter face 2 and the second main groove hook face is a second scrap containing groove, and the first auxiliary groove hook face is connected with the second rear cutter face 1. The ball head milling cutter is used for milled piece machining.

The invention provides a novel gear rolling machine, belongs to the field of mechanical equipment, and solves the problem that an existing gear rolling machine is low in product precision, complex in machining and not high in machining efficiency. The novel gear rolling machine comprises a machine body, a gear rolling mechanism and a feeding mechanism, wherein the gear rolling mechanism and the feeding mechanism are arranged in the machine body; the gear rolling mechanism comprises a gear rolling plate and a datum plate; the feeding mechanism is positioned in the gear rolling mechanism and comprises a front saddle, a rear saddle and a sliding table; the sliding table on the front saddle is mounted on the surface of the left side of the front saddle; the rear saddle is fixed on a safety door of the rear surface of the machine body; a support frame and an ejector pin seat with an ejector pin bar are mounted on the sliding table; a loading and unloading mechanism is mounted on the upper end surface of the front saddle and comprises a longitudinal slider, a vertical slider and a manipulator; the longitudinal slider is fixedly connected with a ramp; the vertical slider is arranged on the ramp and is fixedly connected with a connecting rod; and the manipulator is arranged at an end of the connecting rod. The novel gear rolling machine has the advantages of simplicity in loading and unloading and convenience in tool changing.

The invention discloses a chain type tool magazine. The chain type tool magazine includes a tool magazine body; a chain is arranged in the tool magazine body; one end of the chain is connected to a driving gear, and the other end of the chain is connected to the driven gear; a plurality of rollers are evenly distributed on one side of the chain, and a fixing plate is arranged on one side of the rollers; a plurality of tool holders are evenly distributed on one side of the fixing plate, and fixing supports are arranged on one side of the fixing plate; a supporting frame is arranged on the bottom end of the tool magazine, and a base is arranged on the bottom end of the supporting frame; a tool changing opening is formed in one side of the supporting frame; a servo motor is arranged on a top end of the tool magazine body, and a pulse box is arranged on one side of the servo motor; and one end of the servo motor is connected to a belt. The chain type tool magazine is used for storing tools in an automatic processing machine; the plurality of tool holders are evenly distributed on one side of the fixing plate, and the types and number of clamping tools are increased; the tool holders are fixed by the fixing supports, the cutting process is stable, and a shaking phenomenon can be avoided.

The invention discloses a fast positioning device applied to an automatic feeding drill. The fast positioning device comprises a screw frame (4) used for being connected with an external screw device and providing feeding pushing force for the fast positioning device during working. A front section guiding assembly (2) is used for achieving the slight movement of a hole forming cutter in the axial direction. A rear section locking assembly (3) is used for achieving connection between a straight handle pneumatic drill body and the front section guiding assembly (2) and matched with the screw frame (4) through a universal bearing, it is guaranteed that the external screw device stably transmits the feeding pushing force to the hole forming cutter, the hole forming cutter is guided through the front section guiding assembly (2), and it is guaranteed that under the situation that the cutter is subjected to large axial force and torque, a pneumatic drill is prevented from playing and swinging in the axial center line direction, and the task of drilling laminated materials is smoothly finished. By means of cooperation of the front section guiding assembly (2) and the rear section locking assembly (3), the pneumatic drill carries out stable feeding in the drilling process, and cutter clamping does not exist.

The invention discloses an automatic machining process and equipment for a crankcase stator surface. A to-be-machined crankcase stator surface is placed at the upper end of a second air cylinder in anupward facing mode, a hydraulic cylinder is driven, the end part of a connecting plate moves back and forth, a rotating shaft rotates to drive the connecting plate to rotate, the bottom end of a clamping plate is in contact with the crankcase stator surface, the crankcase stator surface is clamped, the second air cylinder is driven, a second air pressure rod moves upwardly, clamping for machiningthe crankcase stator surface is achieved through cooperation of the clamping plate and a fixing rod, the clamping effect on the arc-shaped bottom surface of the crankcase is good through the clampingmode that a sponge body is matched with the clamping plate, and the phenomenon that a workpiece deviates or falls off is avoided. Meanwhile, a first linear electric cylinder and a second linear electric cylinder are arranged, the first linear electric cylinder, the second linear electric cylinder are driven, the connecting rod can move to any position in the supporting cross rod, then the motor and the first air cylinder are driven to move in all directions, automatic operation is achieved during milling, no dead angle exists during milling, and the working efficiency is improved.

The invention discloses a numerical control machine tool and a magazine tool thereof. The magazine tool comprises a support, a drive device mounted on the support and a cutter disc connected with the drive device; the drive device drives the cutter disc to rotate, the cutter disc is a disc with a groove in the radial direction; according to the magazine tool, the round cutter disc with the groove is arranged, the circular-arc line on the outer circle of the cutter disc is prolonged as far as possible, the tool position mounting space is increased, and therefore the cutter amount is increased. Cutter paws of two length specifications are mounted on the edge of the cutter disc in a staggered manner, the adjacent cutter positions are located on the circular arcs with different diameters, the space of the cutter disc is fully utilized, the cutter amount is further increased, cutters of different sizes can be loaded on the cutter disc, and the sapphire machining requirement of most 3C numerical code products can be met. In addition, the magazine tool has the beneficial effects of being long in service life, saving mounting speed, being easy to mount and adjust, facilitating spindle tool changing and the like.

The invention discloses a lathe-purpose fast tool lowering device which comprises a turning tool. The lathe-purpose fast tool lowering device is characterized by further comprising a clamp body, a lower tensioning regulation frame, a low tensioning spring, an upper tensioning regulation frame, an upper tensioning spring, a rib plate hasp and a wedge-shaped slider. The lathe-purpose fast tool lowering device is short in machining time, high in machining quality, stable and reliable in clamping, speedy and convenient to change tools, safe to operate, small in tool lowering impact force, free of damaging device accessories, capable of being recycled, and effective in reducing machining experiment cost.

The invention provides an inclined disc tool magazine. The tool magazine comprises a tool magazine body; a support is welded at the bottom of the tool magazine body and is connected with a base; the tool magazine body comprises a central seat and tool rests; circular grooves are formed in the tool rests; tools are arranged in the circular grooves; clamping devices corresponding to all the circulargrooves are arranged on the central seat; two symmetric clamping rods of each clamping device are arranged on two sides of each circular groove, and ends, close to each other, of the clamping rods are arranged on the central seat through a rotating shaft; springs are arranged between the central seat and the tool rests; and symmetric sliding blocks are arranged between the springs and the centralseat. The inclined disc tool magazine is simple in structure and has the better tool changing effect on the machining tool having the certain inclination angle, the tool changing process is smooth, the stability is better, the precision is higher, the tools in the tool magazine are not prone to loosening, tool changing in the inclined state can be realized conveniently and quickly, the tool changing efficiency is improved, and the production cost is reduced.

The invention provides a full-automatic discharging and stacking production line and production process for automobile plate springs. The production line comprises a blank double-side feeding device,a servo feeding device connected with the blank double-side feeding device, and a rapid hydraulic shearing machine connected through the servo feeding device; the blank double-side feeding device hasdouble-side transverse moving devices that are arranged on the two sides of the servo feeding device, wherein each double-side transverse moving device is provided with a plurality of blank frames forcontaining blanks; cross beam sets used for extracting the blanks to the servo feeding device are fixed to the double-side transverse moving devices, and a feeding roller way arranged on the servo feeding device is connected with the rapid hydraulic shearing machine. According to the invention, one working area for feeding and one material preparation area are designed, so that uninterrupted feeding and automatic switching of multiple specifications are realized; a designed short piece discharging device and designed long piece discharging devices of various sizes and specifications can detect the length of the blanks through a length detection device for judgment, the automation degree is higher, classification is more accurate, manual classification is avoided, manpower is reduced, andthe production efficiency is improved.

The invention discloses a gantry numerical control machining center and a control system and a machining method of the gantry numerical control machining center. The gantry numerical control machiningcenter comprises a worktable device. The worktable device comprises multiple sets of automatic positioning moving worktable mechanisms which are arranged in the X direction. The gantry numerical control machining center has the beneficial effects that automatic moving positioning of worktables and suckers can be achieved. The control system comprises a CNC controller, a servo control unit in parallel connection with a bus in a bidirectional control manner, a machine head control unit, a worktable control unit and a vacuum control unit. The worktable control unit comprises multiple sets of automatic positioning moving worktable control units and X-direction positioning control units. Each set of automatic positioning moving worktable control unit comprises a set of worktable X-axis feedingservo system, multiple sets of sucker Y-axis feeding servo systems and a Y-direction positioning control unit. The worktable X-axis feeding servo systems and the sucker Y-axis feeding servo systems are connected with a bus of a PLC in parallel. The control system has the beneficial effects that universality is achieved, compatibility is high, and transportability is high.