116results about How to "Guaranteed machining accuracy" patented technology

This utility model discloses an environmentally friendly, high-cleanliness steel drum edge-rolling clamping device, including a base, a square box fixedly connected to the upper surface of the base, a cleaning component disposed on the upper surface of the base, two connecting columns disposed in front of the square box, and two arc-shaped clamping claws fixedly connected to the outer surface of each connecting column, and a power component for driving the connecting columns to move inside the square box. This device uses an electric push rod of the cleaning component to move the square base and the rinsing nozzle up and down, allowing adjustment of the rinsing position according to the height of the steel drum. Furthermore, the pump pressurizes and delivers the cleaning liquid from the storage tank to the nozzle, greatly increasing the rinsing pressure and improving the oil removal rate. The power component drives the T-shaped slider and connecting columns to move via an electric telescopic rod, causing the arc-shaped clamping claws to automatically adjust the clamping position according to different sized steel drums, thus adapting to different specifications of steel drums and achieving a secure fixation.

The application relates to the technical field of nuclear fuel assembly manufacturing, and particularly discloses a nuclear fuel assembly casting type upper tube seat machining clamp and a machining method, wherein the tube seat blank is placed on a bottom plate, a positioning top block is pushed, four positioning pins below a positioning push rod are centered with positioning holes of the tube seat blank; then a positioning rod B is screwed to shorten the distance with a positioning rod A; then locking screws and fastening bolts on the edge frame of a positioning frame plate are locked to fix the tube seat blank on the bottom plate, positioning is realized; finally, the positioning rod B is completely screwed out of the positioning rod A, the bottom plate, the positioning frame plate and the tube seat blank are integrally taken out and fixed on a machining equipment. The machining clamp and the machining method satisfy the positioning clamping and machining requirements of the casting type upper tube seat, the upper tube seat after machining completely satisfies the drawing and technical condition requirements, and the machining scheme satisfies the engineering production.

This invention belongs to the field of laser additive manufacturing technology, specifically relating to a dual-spot parallel scanning additive manufacturing system and method. A laser generation unit dynamically distributes a laser beam to the first and second optical paths according to a preset energy ratio through polarization beam splitting. The spot generation unit uses two spatial light modulators to modulate the two beams into patterned spots and dot spots respectively. The filtering and imaging unit filters and images the two beams. The parallel scanning unit drives the dual spots to scan synchronously on a powder bed. The control unit performs model slicing and patterned region segmentation, and dynamically allocates energy and synchronously controls all units to work together based on the segmentation results. This achieves a single laser, dual optical paths, irregularly shaped spots, and parallel scanning, simultaneously balancing processing efficiency and forming accuracy, effectively solving the technical problem of traditional single-spot methods that struggle to achieve both efficiency and accuracy.

The utility model discloses a kind of chip waste-removal machines, it includes rack, pearl wool placing assembly, feeding mechanism, lifting pressure marking mechanism, mobile cutting mechanism and female die and male die;Feeding mechanism is pushed pearl wool to the below of lifting pressure marking mechanism by ejection block piece by piece, lifting pressure marking mechanism controls male die and press down and extrudes pearl wool partial into female die through hole, the knife of mobile cutting mechanism is translated and cut between male die and female die, and different shape cotton sheet is formed;In the second embodiment, lifting fixed plate is additionally provided with flat head thimble for waste removal, and the quality of finished product is improved;The present application can efficiently and accurately process pearl wool in large quantities, and has significant technical advantages and application value.

The utility model provides a kind of multi-station CD thread lathe machine, belong to machining technical field, this multi-station CD thread lathe machine includes rack, workstation and tool moving module, the workstation is set on the rack, the tool moving module is set on the workstation, tool moving module is installed with lathe tool assembly on;At least two groups of rotating module for fixing workpiece jig are provided on the workstation, all the rotating module is synchronously rotated by transmission mechanism simultaneously.The utility model is driven by all rotating module synchronous rotation by setting at least two groups of rotating module, and using same driving element, the same speed synchronous rotation of multi-station workpiece is realized, effectively solve the same batch workpiece processing difference problem caused by station independent operation of existing double-station equipment, improve the consistency and stability of product in batch production, and then improve product yield.

The utility model provides a new energy battery box thin wall spare processing frock, including four axle bottom plate, four axle bottom plate is equipped with a plurality of positioning slot, a plurality of bridge pier mounting hole, a plurality of installation slot, positioning block, a plurality of positioning block installation fixed in positioning slot is used for with the bottom plate recess of battery box cooperation positioning, bridge pier, a plurality of bridge pier mounting fixed on bridge pier mounting hole, pressboard, install on bridge pier, be used for cooperation bridge pier vertical direction fixed battery box, side edge fixing device, install on installation slot, be used for horizontal direction fixed battery box, the utility model strengthens universality, is applicable to different size's battery box blank, prevents the phenomenon of vibration sword in processing, and the reinforcing device also is equipped with the adjustment function to adapt the error of blank, reduce battery box clamping frequency, improve processing efficiency, increase the limiting device, even if the worker locks the force excessively also can not cause the product deformation to the additional pressure of product, guarantees its processing accuracy.

The present application provides a central warehouse as the center of flexible sheet metal processing production line and its method, proposes the processing production solution applied to sheet metal laser blanking and sheet metal bending, so as to be compatible with order production and pre-investment production operation, realize the arrangement of laser and bending unit with the central warehouse as the center, optimize the process matching, ensure the consistency of multi-process route, reduce the transportation frequency and improve the overall production and management efficiency. The flexible sheet metal processing production line with the central warehouse as the center comprises a warehouse storage and transportation unit, a laser cutting unit and a manual bending unit are connected and operated on one side of the warehouse storage and transportation unit, and a robot automatic bending unit and a manual set matching picking unit are connected and operated on the other side of the warehouse storage and transportation unit.

The utility model discloses a kind of beams of gantry milling, including beam, the beam has hollow cavity, the inner wall of the beam is fixedly connected with multiple annular reinforcing plates at equal intervals, the inner wall of the beam is fixedly connected with multiple reinforcing plates, each the reinforcing plate is fixedly connected with each annular reinforcing plate, the inner wall of the beam is fixedly connected with multiple reinforcing pieces, each the reinforcing piece is fixedly connected with annular reinforcing plate, the bottom of the beam is fixedly connected with two mounting blocks, the bottom of the beam is equipped with two vertical beams, assembly mechanism is equipped between the beam and vertical beam. The utility model is by being provided with equal interval annular reinforcing plate in the beam hollow inner wall, cooperate with the reinforcing plate fixedly connected with it, form support structure, effectively enhance the torsional stiffness and bending strength of beam;Reinforcing piece and annular reinforcing plate fixedly connected that the beam inner wall is provided with, can effectively disperse stress concentration, prolong equipment service life.

The utility model provides a kind of processing equipment of threaded pin, including processing table, the side of processing table is provided with vertical board, first telescopic push rod is arranged on vertical board, the output shaft of first telescopic push rod is provided with mounting plate, chuck is arranged on mounting plate, top plate is further provided with cutting module on processing table, blanking chute, support frame, the side of support frame is provided with first support frame, the other side of support frame is provided with second support frame.According to the processing equipment of threaded pin of the utility model, not only the basic demand of cutting processing to wire rod can be met, but also the deformation of wire rod can be avoided by supporting and fixing the parts of wire rod on both sides of cutting structure synchronously, to further more fully meet the use demand of people.

This utility model relates to the field of gearbox parts processing technology, and discloses a gear-shaping fixture for gearbox gear processing, including a rotating base. A rotating ring is movably connected in the inner cavity of the rotating base. A spiral rack is fixedly installed on the upper part of the rotating ring, and a helical gear ring is fixedly installed on the bottom of the rotating ring. A servo motor is fixedly installed at the front of the inner cavity of the rotating base. A helical gear is fixedly sleeved on the output shaft of the servo motor, and the outer extension of the helical gear meshes with the helical gear ring. A moving rod is evenly and movably sleeved in the inner cavity of the rotating base above the rotating ring. The bottom of the moving rod is evenly provided with grooves, which fit with the spiral rack. The servo motor drives the rotating ring, and with the fit between the spiral rack and the grooves, the moving rod drives the clamping plate to fix the internal gear. This facilitates the fixture to fix internal gear rings of different diameters, enhances the applicability of the fixture, improves the working efficiency of the fixture, ensures that the internal gear ring is centered, and reduces positional errors.

The utility model discloses a numerical control processing automatic line, including frame, portal frame, feed conveyor, waste conveyor, conveying line, take material mechanism, three -axis positioning mechanism, processing mechanism and conveying jig, conveying line and waste conveyor are in parallel set up in the frame, and the waste conveyor is located one side of conveying line, and conveying jig transmission is in conveying line, and three -axis positioning mechanism and processing mechanism are installed in the portal frame, and take material mechanism is installed in three -axis positioning mechanism and realizes three -dimensional motion through three -axis positioning mechanism, and conveying jig includes workstation, and a plurality of discharge chute are seted up in the workstation, and the discharge port of a plurality of discharge chute is located above the waste conveyor, and the workstation is installed with sectional material frame, and a plurality of fastening jigs are installed on sectional material frame, and a plurality of fastening jigs are fixed to the sample of processing. The numerical control processing automatic line through the cooperation of each component operation, realize material automation conveying, accurate positioning and efficient processing, effectively improve production efficiency and processing accuracy, reduce the artificial cost.

This invention discloses a four-spindle high-efficiency precision machining equipment and its machining method, relating to the technical field of machining equipment. A vortex generator is installed on the machining spindle, actively generating a downward spiral forced airflow field. The vortex generator includes a vortex generating ring with an annular airflow channel inside. Several annularly arranged injection holes are located on the end face of the vortex generating ring, communicating with the annular airflow channel. These injection holes are distributed circumferentially along the machining spindle on the vortex generating ring. During machining, a stable downward spiral forced airflow field is formed below the machining spindle through the vortex generating ring, thereby causing the airflow field to entrain metal chips, dust, and other impurities generated during machining, discharging them downward along a spiral trajectory from the machining area, thus enhancing the chip removal effect.

This utility model discloses a processing device for producing oil pipes for automotive parts, relating to the field of automotive parts processing technology. It includes an operating table, with an adjusting telescopic rod fixedly connected to one side of the operating table's interior. The adjusting telescopic rod is fixedly connected to a fixing component, which is slidably connected to the operating table. A limiting frame is fixedly connected to the side of the operating table away from the fixing component. A feeding component is rotatably connected to the limiting frame, and a cutting component is fixedly connected below the feeding component. A cooling nozzle is fixedly connected to one side of the feeding component, and the cooling nozzle is connected to a collection box via a connecting pipe. The collection box is fixedly connected below the operating table. A filter screen is disposed below the limiting frame and fixedly connected to the operating table. A cleaning component is slidably connected to the filter screen. This utility model offers high processing precision. Through the cooperation of the fixing component and the cutting component, stability during cutting is ensured, guaranteeing processing accuracy.

The invention relates to the technical field of blade machining fixing assemblies, in particular to a blade base fixing device for a five-axis linkage machining machine tool, which comprises a five-axis machining machine tool body, a quick assembly, a connecting assembly and a clamping assembly, and is characterized in that the quick assembly is detachably assembled on the top surface of a sliding table of the five-axis machining machine tool body; a connecting assembly is detachably assembled on the top of the quick assembly, and a clamping assembly is detachably assembled on the top face of the connecting assembly. Manual accurate alignment and tedious clamping are not needed in the whole process, automatic, accurate and rapid clamping of the blade base is achieved, the core pain point in the prior art is solved, the high-precision and efficient machining requirements of blades in the fields of aerospace and energy power are met, and the production efficiency and the finished product quality are improved.

The application discloses a quartz support machining jig, and aims to solve the problems of inaccurate positioning, difficult size control and damage and breakage risks in the quartz support machining process. The quartz support machining jig comprises a reference ring and a fixing plate, the fixing plate is installed on the reference ring, and the fixing plate is connected with a positioning seat; the quartz support comprises a rod body and a plurality of support arms connected with the rod body; a support surface is arranged on the positioning seat and corresponds to the support arms, the support arms are abutted on the support surface, a circumferential fixing column and a circumferential movable block are arranged on the positioning seat, and the circumferential fixing column and the circumferential movable block are respectively abutted on both sides of the support arms to position the support arms circumferentially; a positioning groove is arranged on the fixing plate, the rod body is connected with the positioning groove in a matched mode, a pressing plate is connected with the fixing plate, and the pressing plate is pressed on the rod body. The quartz support machining jig realizes clamping and positioning of the quartz support, is accurate and reliable in positioning, ensures machining accuracy of the quartz support, and is not prone to damage and breakage in the machining process.

This utility model relates to the technical field of hole-making positioning equipment, specifically disclosing a hole-making positioning device. This device includes a base, a vacuum assembly, and multiple guide members. The vacuum assembly is connected to a sealed cavity, and the vacuum assembly creates a vacuum in the sealed cavity, thereby ensuring the base is tightly fixed to the workpiece to be drilled. This fixing method allows for accurate positioning even on large flat surfaces where C-clamps are difficult to use, ensuring the machining accuracy of the hole. Multiple guide members with different diameter guide holes are provided to accommodate different sized drilling tools. When the drilling tool enters the connecting hole along the guide hole, the hole is finally drilled on the workpiece. This hole-making positioning device effectively solves the problem of poor machining accuracy in existing technologies when drilling on large flat surfaces where C-clamps are difficult to use.

This utility model discloses a milling head structure for a CNC roll thread milling machine, including a milling head. The milling head consists of a drill rod and a milling cutter. The milling cutter is mounted at the bottom end of the drill rod. An air duct is provided in the middle of the drill rod, and an arc-shaped air inlet is provided at the upper end of the drill rod, which is connected to the air duct. An air outlet is provided at the bottom end of the drill rod, which is connected to the air duct. When the CNC roll thread milling machine is working, external high-pressure gas enters through the arc-shaped air inlet at the upper end of the drill rod. The arc design allows the gas to be guided more smoothly to the air duct. The gas flows downward along the air duct inside the drill rod and finally exits from the air outlet at the bottom end of the drill rod. The ejected high-pressure gas can effectively blow away the iron filings generated by the milling cutter during the cutting process, avoiding the accumulation of iron filings that affect machining accuracy and milling cutter life.

The application discloses a valve body abrasive grain flow polishing device, and relates to the technical field of valve body machining.The valve body abrasive grain flow polishing device comprises a base, an upper piston and a lower piston, further comprises a clamping mechanism for limiting and clamping the valve body, a center positioning mechanism for detecting and judging the center points of different valve body ports after clamping, and a connecting mechanism for aligning the upper piston, the lower piston and the center position of the valve body.The upper portion of the base is provided with a driving assembly, the driving assembly comprises a driving connecting rod, a driving motor is arranged on the driving connecting rod, a limiting assembly is arranged on the driving connecting rod, the limiting assembly comprises a limiting ring and an elastic limiting block, the elastic limiting block is located in the limiting ring, and movable racks are arranged on the upper and lower ends of the driving connecting rod.The valve body abrasive grain flow polishing device can realize abrasive grain flow polishing on valve bodies with complex structures, has good polishing quality, high efficiency and low cost, is easy to operate and maintain, and is easy to popularize and apply.

This invention relates to the field of wire harness processing technology and discloses a wire harness double-end synchronous hot pressing device, comprising: a frame, on which a mounting bracket and a linear motor are fixedly installed, the linear motor having multiple moving parts; a heat shrinking station, an upper sleeve adjustment station, a synchronous hot pressing station, a material unloading station, a positioning module, and a material loading module. This invention automatically completes the entire processing process of position adjustment, heat shrinking, positioning, hot pressing, and material unloading, eliminating the need for repeated manual adjustments and clamping. It can adapt to the processing of wire harnesses of different lengths and specifications, effectively ensuring processing accuracy and improving processing efficiency. By bringing the upper and lower heating blocks close together, the waterproof sleeve fitted on the outside of the heat shrink tube is squeezed and heated, causing the ends of the waterproof sleeve to shrink and tightly press together with the wire harness. The synchronous hot pressing station can simultaneously perform hot pressing operations on the waterproof sleeves at both ends of the wire harness, completing the double-end hot pressing processing in one operation, avoiding repeated clamping errors caused by processing in two separate steps, and improving processing accuracy.

The utility model relates to aero -engine parts machining technical field especially relates to a seal ring wire cutting clamp, including annular tool body, the tool body upper surface fixed mounting has the installation ring, the installation ring upper surface fixed mounting has the assembly ring, the top of tool body is equipped with the annular clamp plate, the surface of installation ring is circularly opened and has a plurality of limit mouth, the limit mouth inside slide and insert the locating block, the surface of tool body is circularly equipped with a plurality of cutting edge and straighten the edge. Through installation ring and assembly ring and seal ring inner hole cooperation, locating block determines angular position and clamp plate pressure, realize accurate clamping positioning, reduced because part rigidity is poor, the structure speciality leads to the clamping positioning difficulty, can guarantee tool high accuracy simultaneously, improve product quality, and need not frequently dismounts part when wire cutting, need only rotate tool can complete multi -slit cutting, effectively improve processing efficiency.

The utility model belongs to the technical field of automobile parts processing, and disclose automobile parts processing is used deburring equipment, including bottom plate, the upper surface of bottom plate is equipped with the moving carrier plate of sliding, the upper surface of moving carrier plate is equipped with the fixed setting of placing plate, the upper surface of bottom plate is equipped with the fixed setting of electric push rod, and the output fixed setting of electric push rod is equipped with the lifting plate, the side of lifting plate is detachably equipped with the support, the lower side of support is equipped with the grinding disc, the lower surface of moving carrier plate is movable and is pasted with bottom plate, one side of moving carrier plate is equipped with the fixed setting of connecting column, and the outer end of connecting column is equipped with the fixed setting of handle, the upper surface one side of bottom plate is equipped with the fixed setting of protection board. Through above -mentioned scheme, moving carrier plate cooperation guide rail etc. design is convenient for adjusting the position of spare part, and detachable connection mode promotes the universality of equipment, and the clamping structure guarantees the machining accuracy, and electric push rod and servo motor cooperation realizes efficient polishing, and still can flexibly adjust the polishing position, and the precision and efficiency are taken into account.

This invention discloses a worm gear and forming wheel composite gear grinding machine for processing large gears, including a bed and a workpiece clamping mechanism and a composite machining mechanism arranged opposite to each other on the bed. The composite machining mechanism includes a column, a column slide plate, and a rotary table. The column is slidably mounted on the bed, and the column slide plate is slidably connected to the column. One side of the rotary table is rotatably connected to the column slide plate, and the other side of the rotary table is connected to a grinding feed assembly and a dressing feed assembly. The grinding feed assembly includes a grinding slide plate that slides along a first direction, a grinding spindle mounted on the grinding slide plate, and a grinding wheel. The dressing feed assembly includes a dressing slide plate that slides along a second direction and a dressing assembly. The grinding feed assembly and the dressing feed assembly are used for workpiece processing and grinding wheel dressing, respectively. This invention integrates grinding and dressing on the same rotary table, shortens the transmission chain, and realizes rapid switching between processing and online grinding wheel dressing.

The application discloses a processing method of a compressor slit type processing casing suitable for small space test, which comprises the following steps: 1) processing a metal blank into a metal casing; 2) processing micro grooves on the inner wall surface of the metal casing; 3) mold manufacturing: the mold is matched with the slit size of the preset slit type processing casing, and the number of the mold is the same as the number of the slit of the preset slit type processing casing; 4) embedding the multiple molds into the multiple micro grooves of the metal casing respectively; 5) smearing resin material on the inner wall surface of the metal casing until the smearing thickness is greater than the height of the mold, and the resin material is adhered to the inner wall surface of the metal casing after being solidified for 24 hours, so as to form a resin casing; 6) processing the inner wall surface of the resin casing into an inner profile surface for preset test, and the mold is turned to be flush with the inner profile surface; and 7) adopting electric spark to burn the mold, and the test piece is processed. The application realizes the processing of the compressor processing casing suitable for small space test.

This invention discloses a gas turbine cylinder block machining positioning device, belonging to the field of machining clamping technology. The gas turbine cylinder block includes an outer cylinder, an inner cylinder, a star-shaped support, and a support ring. Multiple height-adjustable support mechanisms include support seats and movable supports. The movable supports are provided with normal positioning parts and tangential positioning parts. The top protection mechanism includes a guide plate, a first variable diameter plate, multiple sector plates, and multiple second positioning parts that can move synchronously radially. The guide plate is provided with multiple first straight grooves and second straight grooves. The first variable diameter plate is provided with multiple first arc-shaped grooves and connected to a second drive assembly. The multiple sector plates are stacked, and the sector plates are provided with first pins that cooperate with the first straight grooves and first arc-shaped grooves and second pins that cooperate with the second straight grooves. This invention uses height-adjustable support mechanisms to position the outer cylinder, resist shear force and axial force, and ensure support rigidity. It also cooperates with the top protection mechanism to make the axes of the support ring, outer cylinder, and inner cylinder collinear.

This utility model relates to a direction adjustment device for a tapping machine, belonging to the field of metal parts processing technology. It includes a tapping table, with a flexible arm tapping machine fixedly connected to the upper rear side of the tapping table. An adjustment device and a dust extraction device are provided on the upper front side of the tapping table. The adjustment device includes a fixed base, with a first motor fixedly connected to the bottom of the fixed base. A rotating base is rotatably connected to the upper part of the fixed base. The shaft of the first motor passes through the tapping table and the fixed base and is fixedly connected to the bottom of the rotating base. Telescopic cylinders are fixedly connected to the left and right ends of the upper part of the rotating base, and support frames are fixedly connected to the telescopic ends of the telescopic cylinders. By driving the rotating base to rotate with the first motor, and cooperating with the second motor to drive the rotating rod to rotate, the tapping position angle of the workpiece can be finely adjusted from multiple angles. The telescopic cylinders push the two ends of the support frame to move up and down to create a height difference, which can further precisely adjust the tapping position of the metal workpiece.

The utility model belongs to the technical field of medical equipment, and specifically relates to a positioning and clamping device for customized individualized abutment and accessories for implantation, and specifically relates to the technical scheme: including clamping main part, be provided with clamping through -hole on the clamping main part, the clamping through -hole includes locking screw hole, positioning hole, locking screw hole with positioning hole coaxial and mutually communicate, locking screw hole with locking screw adapts, positioning hole with abutment positioning end portion adapts, abutment positioning end portion is provided with the fixed screw hole that adapts with locking screw, when working, locking screw hole, positioning hole, fixed screw hole coaxial. Through locking screw, the abutment to be processed is clamped and fixed on the clamping main part, so that the abutment to be processed and the clamping main part are not prone to loosening in radial and axial directions, and the machining accuracy is ensured.

This invention discloses a design system for machining the backlash angle of a spline broach based on an involute curve. The system includes a broach original tooth profile parameter input module for inputting basic parameters of the broach spline tooth profile; a new involute parameter calculation module for calculating and outputting new involute parameters of the broach spline teeth based on the basic parameters of the broach spline tooth profile; a gauge bar parameter calculation module for calculating and outputting gauge bar parameters based on the new involute parameters of the broach spline teeth; and a broach tooth profile parameter update output module for outputting tooth profile parameters related to the new involute curve used for the backlash angle of the broach spline teeth from the basic parameters of the broach spline tooth profile, the new involute parameters of the broach spline teeth, and the gauge bar parameters. The new involute curve obtained through this design system allows for direct machining of the backlash angle of the broach spline teeth. This backlash angle machining can be achieved without changing the fixture, while ensuring machining accuracy.

The utility model discloses an anchor bolt packaging accessory cold punching device for a wind turbine generator foundation, which comprises a punching machine, a punching upper punch is mounted on an upper slider and a lower slider of the punching machine, a special die is mounted on a workbench of the punching machine and positioned below the punching upper punch, and a vertical die through hole is formed in the center of the special die. The die through hole is matched with a punch of the punching upper punch, a groove-shaped notch is transversely formed in the side face of the special die, and raw material channel steel or raw material flat iron can smoothly pass through the groove-shaped notch. The special die is simple in structure and low in manufacturing cost, punching efficiency is more than five times higher than drilling efficiency, the special die is suitable for cold punching procedures of raw material channel steel and raw material flat iron forming anchor bolt packaging accessories for wind turbine generator foundations, machining quality and precision are guaranteed, production efficiency is improved by times, machining safety is guaranteed, and production cost is reduced. And the anchor bolt for the wind turbine generator foundation is convenient and firm to package.

The utility model discloses a kind of inner bracing type fixing frame for non-ferrous metal processing, it is related to non-ferrous metal processing equipment technical field. Including work frame, upper inner bracing component and lower inner bracing component. Upper inner bracing component is constituted by height-adjusting cylinder, connecting cover, upper drive cylinder etc., height is adjusted by height-adjusting cylinder, and upper drive cylinder promotes drive plate to make upper inner bracing plate prop open fixed workpiece upper end, while being equipped with air blowing pump and blowing impurity. Lower inner bracing component contains drive rotary table, mounting cover, lower drive cylinder etc., and lower drive cylinder drives drive rotary table to rotate, and drives sliding block and lower inner bracing plate to move and realizes lower end inner bracing. Both cooperate fixed workpiece, dispersed stress, avoid deformation, improve processing accuracy, applicable to a variety of non-ferrous metal workpiece processing.