1342 results about "Clip device" patented technology

The invention relates to the technical field of deep hole machining, and provides a multi-axis linkage machining system for drilling and milling the inner wall of a deep hole, which adopts a linear motion device to directly drive a cutter support module, omits a lead screw and other intermediate transmission links, shortens the non-cutting time, has high positioning precision, can improve the machining efficiency, and has lower operation noise and vibration. The processing environment can be improved; according to the workpiece clamping device, a second hollow rotating platform is connected with a chuck, the chuck clamps the workpiece, through program control, the second hollow rotating platform can drive the workpiece on the chuck to rotate and position at any angle, and the requirement for machining the workpiece by a drilling and milling cutter module is met; the problems of time waste, positioning errors and the like caused by secondary clamping are avoided, and the workpiece machining efficiency is improved; a tool bit of the drilling tool module is fed by adopting a variable-diameter structure (a tool bit feeding assembly), and drilling and milling can be carried out on the inner walls of deep hole type workpieces with complex inner hole shapes such as bottleneck holes and stepped holes.

The invention relates to the technical field of five-axis machine tool drilling, in particular to a clamping device for wing hanging drilling operation and a laser measurement drilling system. A first middle assembly and a second middle assembly are detachably and fixedly connected with corresponding rotary tables; the second middle assembly is provided with an end plate extending front and back, and two sets of connecting areas spaced front and back are formed on the end plate. The clamping device further comprises a compensation insertion piece, and the compensation insertion piece can be selectively inserted between the first middle assembly and the first connecting lug and can also be selectively inserted between the connecting area and the rotary table so as to compensate the fluctuation quantity of the corresponding distance. The clamping device has the beneficial effects that through multiple technical means such as structure reuse, rotation reference unification, spacing compensation mechanism and assembly process optimization, high-precision, high-efficiency and high-stability indexing drilling clamping of the wing hanger is achieved, and then the drilling efficiency and the drilling precision are improved.

The invention relates to a paddle clamp device which comprises a paddle clamp provided with a pin shaft bin; the two paddle bodies are respectively connected with the paddle clamp, so that the two paddle bodies are symmetrically arranged along the first axis; a torsion angle is formed from the blade tip to the root of the blade body; the fixed seat is provided with a pin shaft hole; the connecting pin shaft penetrates through the pin shaft bin and the pin shaft hole, so that the paddle clamp is rotationally connected with the fixed seat; and the axis of the connecting pin shaft is crossed with the first axis, so that the torsion angle is increased when the paddle body deflects downwards. The blade body can be driven to be automatically corrected in the direction opposite to the deflection direction, the flapping degree is reduced, and the stability in the flight process is improved.

The utility model relates to a pipeline clamp device with adjustable support height, which comprises a first support frame, a second support frame, a first fixing clamp, a second fixing clamp, an upper bolt, a lower bolt, an upper nut and a lower nut, the first support frame and the second support frame are respectively provided with a fixing support surface and a mounting adjusting surface, the mounting adjusting surface is provided with a plurality of OB holes, and the OB holes are arranged on the fixing support surface. Each of the first fixing clamp and the second fixing clamp is provided with a fixing part, an upper supporting hole and a lower supporting hole; a clamping opening is formed by the first fixing clamp and the fixing part of the first fixing clamp, a pipeline needing to be installed is placed in the clamping opening, the upper nut and the upper bolt are spirally adjusted to fasten the pipeline clamp device, and the lower nut and the lower bolt are spirally adjusted to fasten the pipeline clamp device. An adjustable supporting structure is adopted, and the pipeline fixing device can adapt to different pipeline positions, is good in bearing capacity and is suitable for installing and fixing various pipelines.

The utility model provides an irregular automobile radiator part self-adaptive clamp, including clamping device and base, the number of clamping device is two, and the clamping device is symmetrically installed on the base, clamping device includes sliding seat, clamping unit and fixed unit, clamping unit includes movable block, spring and fixed box, and the fixed box is fixed on the sliding seat. The movable block is movably installed at the open end of the fixed box, the spring is arranged in the fixed box, and the two ends of the spring are connected with the fixed box and the movable block respectively. The multiple clamping units are fixed to the sliding base side by side. The fixing unit is arranged on the sliding base and located below the movable block. The sliding seat is connected with the base through a first cylinder. The self-adaptive clamp for the irregular automobile radiator part can clamp irregular parts in different shapes, has a good clamping and fixing effect, is simple in structure, convenient to operate and suitable for large-scale production and machining, and effectively reduces the manufacturing cost of the clamp.

A follow-up auxiliary clamping device for suppressing machining deformation. The adsorption support module supports the workpiece by adsorption from the front, thereby improving the local stiffness of the workpiece; the intelligent recognition module collects the local features and position information of the workpiece; the vertical feed module drives the adsorption support module to feed vertically; the feed adjustment module adjusts the feed movement of the vertical feed module to ensure that the adsorption support module and the workpiece are relatively stationary, thereby achieving stable adsorption support for the workpiece; the quick-change fixing module selects the available connection area of the spindle according to the structure of the machine tool spindle head and selects the clamping buckle or magnetic unit according to its geometric structure and parameters, thereby achieving rapid installation and disassembly of the device; the control module processes the local features and position information of the workpiece and controls the operation of each module. The present invention follows the machine tool spindle, effectively reducing the number of times the fixture and auxiliary clamp are assembled and disassembled, improving the local stiffness of the workpiece through front adsorption support, effectively suppressing the deformation and vibration of the workpiece, and achieving low-cost, high-precision and high-efficiency machining of the workpiece.

The utility model relates to the technical field of elevators, in particular to an anti-pinch device for an elevator door. An elevator door anti-pinch device comprises a lift car, and a lift car opening is formed in the front portion of the lift car. The first car door and the second car door are arranged on the car in a reciprocating sliding mode so as to close or open the car opening; the driving mechanism is used for driving the first compartment door and the second compartment door to slide in a reciprocating manner; the inserting part is arranged on the side, close to the second compartment door, of the first compartment door in a protruding mode; the inserting groove is formed in the side, close to the first compartment door, of the second compartment door, and the inserting groove can be matched with the inserting part in an inserting mode; and the detection mechanism comprises a first detection piece and a second detection piece, and when the first detection piece and the second detection piece are not in electrical contact, the elevator traction equipment stops starting. The utility model provides an elevator door anti-pinch device capable of detecting small articles.

The invention discloses a plate sucking and clamping assembly, a sucking and clamping device and a grabbing and transferring method, belongs to the technical field of material conveying, and aims to solve the technical problem that an existing vacuum chuck cannot stably grab and transfer materials in a complex surface state. The plate sucking and clamping assembly comprises a suction cup, the suction cup is used for sucking a plate, the suction cup has a first state and a second state when sucking the plate, and the suction cup is compressed when in the second state compared with the suction cup when in the first state; the plate sucking and clamping assembly further comprises a clamping jaw, the clamping jaw is used for clamping the plate, and under the condition that the clamping jaw clamps the plate, the suction cup can be switched from the first state to the second state through limiting cooperation of the plate, the clamping jaw and the suction cup. After the suction cup enters the second state, the suction cup is compressed, the contact between the suction cup and materials is more sufficient, the sealing performance is enhanced, the adsorption force of the suction cup to the plate is improved, and the adsorption stability of the suction cup and the plate is enhanced.

The embodiments of the present specification provide a clip device. The clip device comprises a sheath, a clip arm and a receiving tube, the receiving tube is releasably connected with the sheath, the clip arm comprises at least two clamping parts, the proximal ends of the at least two clamping parts are movably arranged in the receiving tube, the clip arm is opened when the clip arm moves distally relative to the receiving tube, the clip arm is closed when the clip arm moves proximally relative to the receiving tube, and the receiving tube is further used for locking the clip arm.

The invention discloses machining equipment and a machining method of a quartz support for a chip manufacturing process, and belongs to the technical field of quartz support machining equipment.The machining equipment is characterized in that the machining equipment comprises a base and further comprises a supporting rod, a driving assembly, a bearing and a grinding assembly; the grinding assembly comprises a rotating disc, a loading disc, a clamping device, a lifting device, a supporting frame and a grinding device, the clamping device is arranged on the loading disc and used for clamping and fixing machined materials, the lifting device is arranged on a supporting rod, the supporting frame is installed on the lifting device, and a mounting plate is arranged at the position, corresponding to the loading disc, of the supporting frame. According to the quartz support machining device, the rotating disc is driven to rotate through the driving assembly, materials can be rapidly switched among the feeding station, the grinding station and the discharging station, the lifting device is matched to drive the grinding device to move up and down for grinding, machining of a quartz support can be efficiently and stably completed, and the machining automation degree and the machining efficiency are improved.

A passenger furniture device for a passenger seat provided within a vehicle cabin, in particular an aircraft cabin, including at least a base element comprising at least an upper utility surface for a passenger, a removable section element which is mounted to one side of the base element, and a simple latch mechanism. In particular, the latch mechanism may be a simple plug-in and clip device. The latch mechanism is an easy-to-handle releasable attachment and fixation device to release the removable section from the base element, particularly only by crew and service members of the aircraft. The latch mechanism is provided on the base element and the section element such that the section element is detachably mounted to the base element via the latch mechanism.

The invention relates to the technical field of intelligent household electrical appliance production, and discloses an adjustable intelligent household electrical appliance clamping device which comprises a guide platform, an annular table plate for supporting household electrical appliances is jointly formed by the guide platform and telescopic frames, lifting columns are symmetrically arranged at the bottom end of the guide platform, a working table plate is arranged between the telescopic frames, and the working table plate is a main working table of the intelligent household electrical appliances. According to the adjustable intelligent household appliance clamping device, the arc-shaped sliding rail is in sliding fit with the first sliding trolley and the second sliding trolley, the telescopic function of the first double-section telescopic column and the telescopic function of the second double-section telescopic column are combined, flexible movement of the clamping assembly along an arc-shaped track is achieved, and the limitation of single-dimensional linear adjustment is broken through; the first transverse adjusting beam and the second transverse adjusting beam are of a three-section sliding connection structure and are matched with a double-section telescopic column to adjust the transverse distance, so that the device can adapt to intelligent household appliances with different sizes, complex curved surfaces and irregular shapes, and the multi-dimensional adjusting structure works cooperatively to improve the adaptability of clamping.

The utility model relates to a waveguide tube rectangular inner hole planing tool and a planing device thereof. The planing tool for the rectangular inner hole of the waveguide tube comprises a tool bar and a planing tool, the planing tool is installed on the tool bar and comprises a tool body and a blade, the blade is located at the top of the front end face of the blade, and the rear tool face of the blade is divided into at least two sections including a front horizontal tool face and a downward inclined tool face behind the front section. The left side and the right side of the planer tool are inclined faces inclining inwards from top to bottom. The waveguide tube rectangular inner hole planing device comprises the planing tool, a tool clamping device and a workpiece clamping device. The method has the advantages that the inner hole face of the waveguide tube is planed through the planing tool, the machining efficiency is high, and corners can be effectively machined; the horizontal tool face of the planer tool can play a role in supporting the blade, the strength of the blade is guaranteed, planing vibration marks are avoided, in addition, the planer tool can also play a photophilic role, and the planed inner hole face can achieve the needed smooth finish, planeness and straightness.

The invention relates to a special-shaped thin-wall storage tank assembly post-welding machining clamping device and an alignment method, belongs to the technical field of aerospace part machining and manufacturing, and solves the problems of low clamping and alignment efficiency and poor accuracy of a storage tank assembly in the prior art. An adjustable clamping device comprises a front end clamping mechanism and a rear end clamping mechanism. The front end clamping mechanism comprises an upper holding ring, a lower holding ring, a supporting seat and a front base. The supporting seat is slidably mounted in the front base; the front upper embracing ring and the front lower embracing ring can fix the front end of a to-be-clamped workpiece; the lower end of the front lower embracing ring is rotationally installed above the supporting base, and the circumferential angle of the workpiece can be adjusted. The rear end clamping mechanism comprises an upper holding ring, a lower holding ring, a height adjusting assembly and a rear base. The rear lower embracing ring is slidably installed on the rear base, and the installation height can be adjusted through the height adjusting assembly. And the rear upper embracing ring and the rear lower embracing ring can fix the rear end of the workpiece to be clamped. Rapid clamping and coordinate alignment of the storage box assembly are achieved, and the position precision after alignment is high.

The invention relates to the field of welding robots, in particular to a six-axis robot welding device and method. A six-axis robot welding device comprises a mechanical arm, a conveying device, a storage device and a clamping device. The mechanical arm comprises a first rotating shaft, a second rotating shaft, a third rotating shaft, a fourth rotating shaft, a fifth rotating shaft and a sixth rotating shaft; the conveying device comprises an auxiliary block, two servo motors, a first sliding rail and a sliding rod. The storage device comprises an impeller, a welding rod box, a welding rod, a second sliding rail, a bearing, an auxiliary ring and a fixing piece. The clamping device comprises a connecting disc, a connecting rod and a clamping piece. The problems that an existing six-axis robot is extremely inconvenient to replace welding rods, the replacement process is troublesome, and the replacement speed is low are solved.

The utility model discloses an automatic pin shaft press-fitting machine which comprises a machine table, a turnover type clamping device, a first press-fitting device, a second press-fitting device, a cylindrical pin feeder used for feeding cylindrical pins, an angle pin feeder used for feeding angle pins, an angle pin clamping and turnover device and a detector. The turnover type clamping device comprises a clamping jig, a base, a supporting frame, a clamping translation driving mechanism, a clamping turnover driving mechanism and a turnover positioning mechanism. The clamping jig is driven to rotate through the clamping turnover driving mechanism, the clamping jig is driven to translate in the X direction through the clamping translation driving mechanism, and the clamping jig is positioned through the turnover positioning mechanism; the angle pin clamping and overturning device is used for clamping and overturning the angle pin, and the detector is used for detecting which end of the angle pin faces upwards. The automatic press-in device is simple in structure, through the structural design of the turnover type clamping device, the angle pin clamping and turnover device and the like, automatic press-in of a cylindrical pin and an angle pin on an annular workpiece can be achieved, and the production requirement is met.

The invention relates to a baking device and method for sneaker processing, and belongs to the technical field of shoemaking, the baking device comprises a support circulation system, a bearing support system, a support transfer system and a baking system, the support circulation system is used for transferring the bearing support system, and the support transfer system comprises a support transfer rail and a support transfer machine; the support transferring machine comprises a support transferring sliding frame, a support lifting machine, a support transverse moving machine and a support clamping device, the support transferring sliding frame slides along the support transferring rail, the support lifting machine is installed on the support transferring sliding frame, the support transverse moving machine is installed on the support lifting machine, and the support clamping device is installed on the support transverse moving machine. The moving direction of the support transverse moving machine points to the baking systems, the support transferring rail is arranged in the arrangement direction of the baking systems, the bearing support system comprises a bearing support body and a shoe body fixing device, the shoe body fixing device is installed on the bearing support body, the bearing support body is placed on the support transferring system to be transferred, and uniform baking can be automatically achieved.

The clamping and positioning system comprises a clamping device, the clamping device comprises a lifting ring, a visual detection device is arranged at the bottom of the lifting ring, a sliding assembly is arranged at the bottom of the lifting ring, a first clamping piece is hinged to the sliding assembly, and a second clamping piece is rotationally hinged to one side of the first clamping piece; a first driving part is arranged on one side of the second clamping piece; a hanging column is arranged at the center of the hanging ring, a sliding sleeve is slidably sleeved on the hanging column, a hanging cable is arranged on the outer side surface of the sliding sleeve, and one end of the hanging cable is connected with one end of the first clamping piece; a second driving part is arranged between the davit and the sliding sleeve; pressure sensors are arranged at the clamping ends of the first clamping piece and the second clamping piece; according to the clamping device, the inner side wall and the outer side wall of the arc thin-wall part can be clamped at the same time, the clamping pressure is adjusted in real time, the stability of the part in the lifting process is guaranteed while the clamping force is reduced, and meanwhile compatible clamping can be conducted on the arc thin-wall parts of different sizes and specifications.

The invention provides a torque arm part clamping device and method. The torque arm part clamping device comprises a base plate, a clamp and a cushion block assembly. The clamp comprises a first base, a pressing plate and a pressing rod, one end of the pressing rod is connected to the first base, and the other end of the pressing rod is connected to the pressing plate so that the pressing plate can apply pressure. The two clamps are symmetrically arranged in the X direction, and an acute angle is formed between the two first bases. The multiple cushion block assemblies are arranged between the two clamps, and the multiple cushion block assemblies are arranged in the Z direction; the cushion block assembly comprises a second base and at least one ejector rod connected to the upper end of the second base in a threaded mode. The first base and the second base are installed on the base plate. The online measuring system of the machine tool is utilized, the thought of automatic, reliable and efficient alignment and judgment is achieved, the B shaft of the part is rapidly aligned, it is guaranteed that the allowance of all end faces, namely holes, is uniform, and the tool connecting problem of appearance machining and end face finish machining is solved.

The invention provides a clamping device for a thin-wall whole pipe fatigue test and a test method, and belongs to the technical field of clamping devices. The device comprises clamping cushion blocks which are fixedly connected to two ends of a thin-wall whole tube sample main body and are used for transmitting test force; the high polymer material film adhesive tape is wound on a transition area of the clamping cushion block and the thin-wall whole pipe sample main body; the chock plugs are used for being plugged into the two ends of the thin-wall whole-tube sample main body, and packing paper is installed between the chock plugs and the inner wall of the thin-wall whole-tube sample main body and used for supporting the inner wall of the sample and evenly transmitting test force. The clamping cushion blocks are fixedly connected to the two ends of the sample and matched with the high polymer material film adhesive tape to reduce friction, the chock plugs are wound around the packing paper to support the inner wall, a stable clamping structure is formed, and it is ensured that fatigue fracture occurs in the working section. The problems of clamping stress concentration and fracture of a non-working section can be effectively avoided, the accuracy of a fatigue life evaluation result of the whole thin-wall pipe is improved, and the method can be widely applied to high-cycle and low-cycle fatigue performance tests under different conditions.

The invention relates to the field of machine tool machining, in particular to a rapid clamping device for machine tool machining and a clamping method.The rapid clamping device for machine tool machining comprises a machine base, a machine frame, a cutting mechanism, a feeding mechanism and a cleaning mechanism, and the cleaning mechanism comprises a cleaning top plate which is in sliding connection with the machine base and located above a metal pipe; two cleaning arc plates which are oppositely arranged are slidably installed on the cleaning top plate, the two cleaning arc plates are located on the two sides of the metal pipe correspondingly and can make contact with the metal pipe, a sliding part used for driving the cleaning top plate to move is installed on the machine base, and a driving part used for driving the two cleaning arc plates to be close to or away from each other is installed on the machine base. The problem that the machining quality of the metal pipe is affected is solved.

The invention relates to a workpiece clamping device which comprises an adjusting tool. A tool base is arranged on the adjusting tool, at least three fixing devices used for fixing a workpiece are arranged on the tool base, the positions of acting force of at least two of the three fixing devices on the workpiece are arranged at high positions and low positions, and a matched positioning face is arranged between at least one of the three fixing devices and the clamped workpiece. And the fixing device does not shield a to-be-measured point and a to-be-processed surface of the workpiece. The workpiece clamping device can be used for quickly positioning, is convenient to assemble and disassemble, is high in assembly precision, and can be used for measuring the spatial position of the workpiece.

The invention provides a precise positioning and clamping method and device, and relates to the technical field of precise clamping. The method comprises the steps that a modular clamping structure is obtained; a machine tool is started for machining, a precision detection module is activated to collect the appearance image and position of the target part, and machining requirements are obtained; positioning parameters and clamping parameters are determined based on the position, shape and size parameters and machining requirements of the part; the target part is placed on the positioning plate to be fixed and limited; and the target part is fixedly clamped through the clamping parameters, the clamping state is monitored and obtained through the precision detection module, and abnormity recognition and early warning adjustment are carried out. The technical problems that due to the fact that clamping is poor in adaptability to different workpiece shapes, clamping positioning precision is not high, and clamping force is not uniform are solved, part information is collected in real time through the precision detection module, positioning and clamping parameters are dynamically adjusted, jig sharing among multiple machine tables is achieved, and the clamping precision and efficiency are improved.

The utility model relates to an LNG (liquefied natural gas) ship pump tower pump pipe fixing, clamping and combining device, a pump pipe comprises a plurality of U-shaped parts and straight line parts respectively connected with two ends of each U-shaped part, the fixing, clamping and combining device comprises a first fixing and clamping device, a second fixing and clamping device, a third fixing and clamping device and a fourth fixing and clamping device, and the two second fixed clamping devices are respectively arranged at straight line parts which are respectively connected with the two ends of the U-shaped part of the pump pipe. The device can effectively control the planeness and straightness of the pump pipe, and is simple to install and low in cost.

The invention discloses a clamping device for optical lens detection, and belongs to the technical field of optical lens detection, the clamping device comprises a base and a clamping mechanism, the upper surface of the clamping mechanism is provided with a protective cover through a fastener, and the position, in contact with a lens, of the clamping mechanism is provided with a protective assembly. Mounting blocks are fixedly connected to the periphery of the outer wall of the clamping mechanism, positioning holes are formed in the surfaces of the mounting blocks, through cooperation of positioning columns and the positioning holes and rapid limiting of the positioning mechanism, dismounting and mounting operation and repeated calibration steps of multiple sets of bolts and nuts are omitted, the dismounting and mounting process of the clamping mechanism is greatly simplified, the operation time is saved, and the working efficiency is improved. And meanwhile, a protection assembly is arranged at the contact position of the clamping mechanism and the lens, so that a traditional rigid clamping mode is improved, effective buffer protection is formed, and damage such as scratches and indentations on the surface of the lens in the clamping process can be avoided.

The utility model discloses a clamping device for hood side plate welding, and relates to the technical field of clamp tools, the clamping device comprises a supporting platform and a plurality of clamp units, the supporting platform is provided with a plurality of supporting seats, and the supporting seats are used for supporting the clamp units, hood side plates and a fixing support; the clamp unit comprises a power cylinder and a pressing arm, the pressing arm comprises a hood side plate pressing arm and a fixed support pressing arm, and the fixed support pressing arm is fixedly connected with one side of the hood side plate pressing arm; the hood side plate pressing arm is connected with the supporting seat through a rotating shaft, and one end of the hood side plate pressing arm is hinged to the power cylinder; the supporting seat is further provided with a positioning mechanism used for limiting the hood side plate and the fixing support. Therefore, through the improvement of the clamp, the requirement for accurately clamping the hood side plate is met, installation and fixation are simplified, and the welding quality of products is improved.

The invention relates to an intelligent flexible machining tool and method for a complex thin-wall frame structural member, belongs to the technical field of numerical control machining equipment, is used for solving the problems of part clamping deformation, precision reduction and low efficiency of repeated clamping, has the function of monitoring pressure and deformation displacement on line, and can effectively reduce machining stress and part deformation. The tool comprises a base plate, a central control system, a controllable clamping module and a precise supporting module. And the controllable clamping module has an avoiding function. By means of the modular clamping tool, full-sequence machining of the parts can be completed through one-time clamping, workpiece deformation is effectively avoided, and the machining precision and the production efficiency are remarkably improved. According to the intelligent flexible machining tool and method, the framework of the foundation plate and the rapid detachable electric pneumatic clamping assembly is adopted, the clamping position can be flexibly adjusted according to the part specification, and the application range and the flexibility degree of the clamping device can be remarkably improved.

The invention discloses a metal workpiece straightening and clamping device and method, and relates to the technical field of metal workpiece straightening, and the device comprises a fixing plate, a pressing device and a rotating device. Wherein the at least two pressing devices are arranged on the fixing plate in a sliding mode in the length direction of the metal workpiece, and the distance between the pressing devices is adjustable; the rotating device is arranged at one end of the fixing plate and comprises a clamping piece and a rotating piece, the clamping piece is used for clamping a metal workpiece, and the rotating piece is connected with the clamping piece so as to drive the clamping piece to rotate. The invention further provides a straightening method for the metal workpiece through the straightening device for the metal workpiece, clamping of workpieces of different specifications can be met through the clamping device of one specification, the straightening clamping device for the metal workpiece can complete the procedure of straightening the workpieces of different specifications at different angles through one-time clamping, the product quality is effectively guaranteed, and the production efficiency is improved. And the straightening and clamping efficiency is improved by more than 30%.

The utility model belongs to the technical field of numerical control machining of parts, particularly relates to a clamping device for clamping for numerical control machining of a complex free-form surface part and a clamping method, and aims to solve the problem that a fixing device is difficult to effectively fix and support the complex free-form surface part. Two supporting seats are fixedly connected to the top of the machining base, and a machining supporting and fixing module is arranged at the tops of the two supporting seats and comprises two fixing seats. The clamping device for numerical control machining of the complex free-form surface part has the effect of improving the machining quality, and during machining, the device can conduct auxiliary supporting on the complex free-form surface part, so that the supporting strength of the complex free-form surface part is improved during machining, and the machining quality is improved. And deformation of the complex free-form surface part caused by misoperation during use is avoided, so that the machining quality is guaranteed.