1810 results about "Metal machining" patented technology

The invention belongs to the technical field of other metal machining machinery manufacturing, and particularly relates to pipeline inner wall grinding equipment which comprises a machine body, a first guide rail is fixedly connected to the upper surface of the machine body, a first guide groove is formed in the first guide rail, and two sliding tables are slidably connected into the first guide groove; a storage box is fixedly connected to the upper surface of one sliding table, a first hydraulic cylinder is fixedly connected to one side of the storage box, a grinding wheel is arranged at the output end of the first hydraulic cylinder, a positioning table is fixedly connected to the upper surface of the other sliding table, and a limiting ring and a limiting plate are fixedly connected to one side of the positioning table. A limiting groove is formed between the limiting plate and the limiting ring, a grinding assembly is arranged on one side of the first hydraulic cylinder and comprises a motor fixedly connected to the output end of the first hydraulic cylinder, and a positioning disc is fixedly connected to one side of the motor. The problem that metal dust generated during grinding is accumulated on the inner wall of the pipeline, and the pipeline grinding quality is affected is solved.

The invention relates to the technical field of metal processing and digital control, and discloses a digital control method and system for copper strip rolling production, and the method comprises the steps: obtaining a technological parameter sequence and a surface image in a rolling process in real time; analyzing the dynamic change trend of the process parameter sequence to obtain parameter fluctuation characteristics; if the parameter fluctuation characteristic exceeds a preset fluctuation threshold value, identifying a microscopic adhesion position of the copper strip surface image and determining a complete distribution map of an adhesion range; analyzing by combining defect features extracted from the complete distribution map and the process parameter sequence to obtain a parameter interaction weight; and based on the parameter interaction weight, generating optimized process parameter configuration and adjusting an equipment operation state. According to the method, the problem that the control precision of the dynamic defects on the surface of the copper strip is insufficient in the prior art is solved by establishing the dynamic correlation between the process parameters and the surface defects and performing data-driven closed-loop control.

The invention belongs to the technical field of metal processing, and discloses an automatic welding method and system.The method comprises the steps that a functional gradient transition layer is arranged between a steel workpiece and a copper workpiece, components of the transition layer change in a gradient mode from a Ni-rich layer to a Ni-Cu solid solution layer in the thickness direction, and the transition layer is doped with nano reinforced particles or rare earth elements; the metallurgical compatibility is fundamentally improved; in the welding process, a composite energy source and an auxiliary physical field are adopted, and a sensor system is used for monitoring multi-modal data in real time; monitoring data are input into a predictive control model based on artificial intelligence, the model can predict the defect trend of a future moment, and welding parameters are actively adjusted in a feedforward mode. According to the method, the problems that in a traditional method, intermetallic compounds are difficult to inhibit, and process control lags are solved, and a welding joint which is free of cracks and pores, extremely thin in IMC layer and excellent in mechanical property can be obtained.

The invention discloses a circulation system of aluminum wire drawing liquid, and relates to the technical field of metal processing, the circulation system comprises: a wire drawing device, which is provided with an immersion liquid box and an outlet die, and after entering the immersion liquid box for drawing, an aluminum rod is sized from the outlet die for molding; a filter is arranged in the wire drawing liquid pool, the filter is communicated with the immersion liquid box through a circulating pipe I, the circulating pipe I is connected with a heat exchanger, and the immersion liquid box is communicated with the wire drawing liquid pool through a return pipe; the cooling system is connected with the heat exchanger through a circulating pipe II; the filter is provided with at least one continuous filtering mechanism, and the continuous filtering mechanism is configured to trigger the continuous filtering mechanism to rotate to switch a new filtering structure when the water level in the filter rises. After the water-based aluminum wire drawing liquid is adopted, no smell is generated in the circulation process, and the surrounding environment of a machine table is clean and tidy. Meanwhile, after the aluminum powder is filtered and is drawn by a nano-mold, the lubricating property is good, and the surface of the aluminum wire is smooth and clean.

The invention discloses a turning and milling composite machine tool for metal machining and relates to the technical field of composite machine tools, the turning and milling composite machine tool comprises a machine tool body, a stand column and a workbench, the machine tool body serves as a basic supporting part of the machine tool, and the stand column and the workbench are oppositely arranged at the two ends of the upper portion of the machine tool body. The turning mechanism and the milling mechanism are both connected with the stand column through the horizontal moving module so as to quickly meet the requirements of the workpiece in different machining procedures, compared with an existing fixing mechanism which only depends on single mechanical clamping, the clamping assembly can stably clamp the workpiece from the peripheral side of the workpiece through the mechanical clamping force of a clamping jaw, and the machining efficiency of the workpiece is improved. And a negative pressure environment can be formed on the contact surface of the workpiece and the clamping assembly by means of the adsorption unit, so that the strength of mechanical clamping force borne by the workpiece can be effectively reduced on the basis of ensuring that the workpiece is kept in a stable state in the machining process, and damage such as indentation on the surface of the workpiece is avoided.

The invention relates to the related technical field of die casting machining, and discloses an automatic die casting machining device which comprises an automatic machining box set, a punching mechanism, a surface finishing mechanism, an edge treatment mechanism and a driving mechanism. The driving mechanism comprises a bidirectional driving unit and a one-way variable-speed transmission unit; the device further comprises a positioning platform, a power conversion mechanism, a surface finishing control mechanism, an edge processing transmission mechanism and an edge processing control mechanism. Different metal processing combinations are automatically controlled to operate by a single driving mechanism, the operation is stable, multiple metal processing operations with different properties are integrated, multiple processes are completed through one-time clamping, and collaborative innovation that different metal processing is synchronously performed while high efficiency and energy conservation are achieved is achieved; and the production efficiency of specific die castings which are relatively fixed and regular in structure and need to be produced on a large scale is effectively improved.

The invention discloses a thin-wall stainless steel pipe welding seam polishing device, and belongs to the technical field of metal processing machine tools, the thin-wall stainless steel pipe welding seam polishing device comprises a main shaft, a through hole used for containing a thin-wall steel pipe to be polished is formed in the middle of the main shaft, a clamping groove is formed in the circumferential side wall of the through hole, and an electromagnetic strip is movably embedded in the clamping groove; and the ejector rod is coaxially opposite to the through hole and is driven by an ejector rod sliding table to be horizontally close to or far away from the main shaft. By means of the highly-integrated dual-mode power relay part, integration and rapid lossless switching of the grinding function and the ultrasonic peening function are achieved, the two working procedures are combined into one, the production efficiency is greatly improved, and positioning errors caused by multiple times of clamping are avoided.

The invention relates to an ultrasonic vibration assisted large-width copper plate strip continuous extrusion short-process technology, and belongs to the technical field of metal processing. A copper raw material is subjected to mechanical cleaning and then ultrasonic cleaning, and the surface cleanliness of the raw material is guaranteed; the cleaned copper raw materials are fed into continuous extrusion equipment, and ultrasonic vibration is adopted for assisting continuous extrusion; after the extruded copper plate strip is cooled, spraying a suspension containing cerium (IV)-sodium dodecyl benzene sulfonate-pyrrolidone nano aluminum oxide additive on the surface of the copper plate strip, and drying; straightening by using a multi-roll straightening machine to obtain a large-width copper plate strip; the cerium (IV)-sodium dodecyl benzene sulfonate-pyrrolidone nanometer aluminum oxide auxiliary agent is prepared from nanometer aluminum oxide, DMF (Dimethyl Formamide), sodium dodecyl benzene sulfonate, N-vinyl pyrrolidone, ammonium persulfate and cerous sulfate (IV); the copper plate strip prepared by the invention has relatively high density, relatively high tensile strength and ductility, and the mechanical property of the copper plate strip is remarkably improved.

The invention relates to the technical field of heating furnace devices, in particular to a heating furnace for metal processing and accessories thereof. An accessory of a heating furnace for metal processing comprises a first track, a second track, a trolley and a limiting mechanism, wherein the trolley comprises a movable table board and an object carrying table board. A first sliding block is arranged on the first rail. And a second sliding block is arranged on the second rail. The limiting mechanism comprises a first driven wheel and a second driven wheel. When the trolley moves on the first track, the two first sliding blocks are clamped by the two first driven wheels in each limiting assembly on the movable table top. When the trolley moves on the second track, the two second driven wheels in each limiting assembly on the movable table face clamp the two second sliding blocks, and therefore the trolley is positioned and guided. The invention provides an accessory of a heating furnace for metal processing to solve the problem that when an existing trolley type resistance furnace works, a trolley is prone to deviating from a rail during moving.

The utility model relates to the technical field of non-ferrous metal processing, and discloses a raw material color sorter for non-ferrous metal processing, which comprises a bottom plate, a support fixedly connected to the top end of the bottom plate, a feeding assembly arranged at the top end of the support, a boss fixedly connected to the right end of the support, a plurality of angle iron sheets detachably connected to the top end of the boss through bolts, and a color sorter arranged on the bottom plate, by arranging the feeding hopper, the feeding guide plate and the material guide groove, firstly, a proper amount of raw materials are put into the feeding hopper and then fall to the feeding guide plate, due to the dead weight of the raw materials, the feeding guide plate can incline along the hinged position, the materials enter the material guide groove, and the materials are fed into the feeding guide plate through the feeding guide plate. The materials slide downwards along the inner wall of the material guide groove, when the sorting mechanism detects particles with different colors, the particles with different colors are sorted into the front side storage space of the material storage box, normal particles are sorted into the rear side storage space of the material storage box, and therefore sorting of the materials is completed.

The invention discloses a full-automatic machining device based on pipeline support manufacturing, and relates to the technical field of metal machining, the full-automatic machining device comprises a base, a plurality of supporting strips mounted at the top of the base and a laser cutting machine mounted at the top of the base, and further comprises a material guiding mechanism and a material conveying mechanism, the cover body is arranged at the top of the base, the vacuum fixing assembly is installed in the cover body, and the displacement assembly is used for driving the cover body to move. The composite treatment mechanism comprises two sliding blocks arranged in the cover body, cleaning rollers installed on the outer walls of the opposite sides of the two sliding blocks correspondingly, polishing rollers installed at the bottoms of the sliding blocks and a linkage assembly used for driving the two sliding blocks to move; after the strip-shaped support is cut through laser, the strip-shaped support is transferred away, the strip-shaped support is sequentially subjected to light absorbent cleaning, notch polishing and cooling treatment, and the problem that in the prior art, follow-up treatment operation on the strip-shaped support is complex is solved.

The application discloses a bending machine for metal processing, which comprises a machine body, a bending cutter head and a mounting block arranged on the machine body, two supporting blocks arranged on the mounting block, a shell fixedly installed on the machine body, and an electromagnet arranged on the shell; a guide block, a mounting cavity formed in the shell, a fixed plate fixedly installed in the mounting cavity, the guide block being tightly connected with the fixed plate through a plurality of first springs, a first sliding rod slidingly installed on the guide block, and the first sliding rod being connected with the electromagnet through a second sliding rod. The bending machine can push the thin iron plate under the bending cutter head without moving the thin iron plate by the staff, and the bending cutter head can perform the next bending processing on different positions of the thin iron plate, so that the operation is more convenient and fast, the workload of the staff is greatly reduced, and the efficient processing of the thin iron plate is facilitated.

The invention relates to the technical field of metal machining equipment, in particular to stamping equipment for aluminum alloy precision hardware machining, which comprises a base, a hydraulic cylinder is mounted on the base, a stamping head is fixedly mounted at the output end of the hydraulic cylinder, and a mounting plate fixedly sleeves the output end of the hydraulic cylinder. An upper die is mounted on the mounting plate through a buffer assembly, a through hole is formed in the middle of the upper die, a first cavity is formed in the upper die, a plurality of air outlet holes are formed in the inner wall of the through hole, air collecting boxes are symmetrically and fixedly mounted on the upper surface of the upper die, and air collecting assemblies are arranged in the air collecting boxes. Gas is injected into the gap between the punching head and the through hole of the upper die, heat generated by friction between the punching head and the workpiece is rapidly taken away, mechanical performance reduction of the punching head due to high temperature is avoided, the service life of the punching head is prolonged, and meanwhile dimensional deviation, surface oxidation or deformation of the aluminum alloy workpiece due to uneven heating can be prevented; and the machining precision and the surface quality of the hardware are ensured.

The application belongs to the technical field of other metal processing machinery manufacturing, in particular to a pipeline inner wall polishing equipment. The upper surface of the machine body is fixedly connected with a first guide rail. A first guide groove is arranged in the first guide rail. Two sliding tables are slidably connected in the first guide groove. The upper surface of one of the sliding tables is fixedly connected with a storage box. One side of the storage box is fixedly connected with a first hydraulic cylinder. The output end of the first hydraulic cylinder is provided with a polishing wheel. The upper surface of the other sliding table is fixedly connected with a positioning table. One side of the positioning table is fixedly connected with a limiting ring and a limiting plate. A limiting groove is arranged between the limiting plate and the limiting ring. One side of the first hydraulic cylinder is provided with a polishing assembly. The polishing assembly comprises a motor fixedly connected with the output end of the first hydraulic cylinder. One side of the motor is fixedly connected with a positioning disc. The pre-treatment assembly and the adsorption roller are arranged to solve the problem that the metal dust generated by polishing is accumulated on the inner wall of the pipeline, affecting the polishing quality of the pipeline.

The utility model provides metal stamping equipment, belongs to the field of metal processing production, and solves the problem that a hand needs to stretch into the existing stamping equipment to take a product. The punching machine comprises a main body, a support and a punching head, an installation chamber is formed in the main body, a motor is installed at the eccentric position of the installation chamber, a rotating wheel is installed at the center of the installation chamber, the groove wheel is connected with a rotating shaft, the rotating shaft is connected with a rotating disc, and a die is fixed to the rotating disc and fixedly connected with the rotating disc through bolts. The installation chamber is provided with a fixing table, the fixing table is provided with a sliding groove, the sliding rod is in sliding connection with the sliding groove, and the fixing table is provided with a high table area and a bottom table area. The utility model has the advantages that the high table area and the bottom table area are arranged at the fixed table, the sliding rod rotates along with the rotation of the rotating disc, and the height of the top plate is changed along with the change of the height of the fixed table, so that a metal piece is ejected out of a die at a position far away from a stamping head, and potential safety hazards are reduced.

The invention discloses a laser cutting machine for sheet metal processing, which relates to the technical field of laser cutting and comprises a workbench, and a laser cutter capable of cutting sheet metal parts by laser is arranged above the workbench. According to the laser cutting machine for sheet metal machining, the driving mechanism drives the conveying rollers to lift upwards so that sheet metal parts can be supported, and when the conveying rollers lift the sheet metal parts upwards, the thick fluted disc and the flat fluted disc can be meshed with each other, so that the sawtooth grating a and the sawtooth grating b are converted into a horizontal placement state from a vertical placement state to be meshed in a staggered mode; according to the laser cutting machine, the sawtooth grid a and the sawtooth grid b which are meshed with each other and the traction of the transverse moving mechanism to the slag removing mechanism are utilized, iron slag removing operation can be conducted on the sawtooth grid a and the sawtooth grid b which are horizontally arranged in a meshed mode, and it is ensured that the laser cutting machine can rapidly remove slag on the grids supporting sheet metal parts in time in the process that cutting machining is not delayed.

The invention provides a metal processing shape-property-process database construction method based on macro-micro coupling and simulation-test residual error correction. The method comprises the following steps: determining a plurality of groups of initial process parameter combinations; performing initial forming simulation and initial processing test on the metal material to obtain an initial residual error sample, and performing initial training on the residual error estimation model; evaluating the residual level of the simulation result under each initial process parameter combination so as to add a plurality of additional process parameter combinations; carrying out additional forming simulation and additional processing test on the metal material based on the additional process parameter combination so as to obtain an additional residual error sample and carrying out additional training on the residual error estimation model; and a residual error estimation model subjected to additional training is used for correcting a forming simulation result under the encryption process parameter combination, and a metal machining shape-property-process database is established. According to the technical scheme, high-precision simulation data reflecting the macro-micro coupling forming process of the metal material can be established.

The invention relates to a metal machining milling machine tool, and relates to the technical field of machining. The machine tool comprises a supporting base, a fixed portal frame, a displacement supporting frame, a displacement clamping piece, a rotary clamping piece, an up-down displacement assembly, an electric spindle and a rotary driving assembly, the displacement clamping piece allows a rotating shaft piece to axially displace, the rotary clamping piece allows the rotating shaft piece to rotate, and the rotary clamping piece and the displacement clamping piece conduct clamping at the same time to achieve rotating shaft locking. The two cooperate to realize rotation shaft fixation and motion control. The problems of vibration and machining errors caused by single-side clamping in the milling process of long-shaft parts can be solved.

The utility model discloses a quenching liquid tank for metal processing, which comprises a frame unit, a quenching unit, a cooling unit, a quenching unit, a cooling unit and a control unit, the frame unit comprises a tank body, and the bottom of the tank body is fixedly connected with a cooling box; the cooling unit comprises a plurality of partition plates arranged in a cooling box, the partition plates are arranged in a staggered mode, a water inlet and a water outlet are formed in the left side and the right side of the cooling box respectively, a connecting pipe is communicated between the water inlet and the tank body and between the water outlet and the tank body, a water pump is arranged on the connecting pipe, and a separating plate is arranged in the cooling box. A streaming hole and a movable bin are formed in the separating plate, and the streaming hole is communicated with the movable bin. Through the S-shaped flow channel design of the cooling unit and the cooling fins, the cooling efficiency and the temperature uniformity of quenching liquid are remarkably improved, the quenching quality is guaranteed, the liquid is circulated between the cooling box and the tank body through the water pump, and uniform heat distribution is promoted.

The utility model discloses a laser welding device for sheet metal processing, relates to the technical field of sheet metal processing, aims to solve the technical problem that a current laser welding machine is inconvenient to quickly weld and process multiple groups of bent edge gaps of a square box-shaped sheet metal, and comprises a laser welding machine. According to the utility model, the fixed platform is designed and consists of the base, the pushing structure and the driving structure, so that the square box-shaped metal plate can be directly inserted into the driving structure when the bending edge gap of the square box-shaped metal plate is welded, and then the pushing structure is controlled to abut against the square box-shaped metal plate; at the moment, the square box-shaped metal plate is fixed through a first jacking and pressing disc on the jacking and pushing structure and a second jacking and pressing disc on the driving structure, and then the square box-shaped metal plate can be directly driven to rotate through the driving structure, so that the adjustment of the gap of the bent edge of the square box-shaped metal plate can be rapidly completed; and therefore, the laser welding machine can quickly complete welding work on four groups of bent edge gaps of the square box-shaped metal plate.

The application discloses a laser cutting machine for sheet metal machining, and relates to the technical field of laser cutting, comprising a workbench, wherein a laser cutting device capable of cutting sheet metal parts is arranged above the workbench. The laser cutting machine for sheet metal machining can hold the sheet metal part by driving the conveying roller to lift upward, and when the conveying roller lifts the sheet metal part upward, the thick-toothed disc and the flat-toothed disc will be engaged with each other to make the sawtooth grid a and the sawtooth grid b change from the vertical arrangement state to the horizontal arrangement state and be engaged with each other in a staggered manner. The iron slag removal operation can be performed on the horizontally engaged sawtooth grid a and the sawtooth grid b by using the sawtooth grid a and the sawtooth grid b engaged with each other and the horizontal moving mechanism to pull the slag removal mechanism, so that the laser cutting machine can timely and quickly remove the slag of the grid supporting the sheet metal part without affecting the cutting process.

The invention relates to the technical field of metal processing equipment, in particular to a metal processing U-drill bit and equipment thereof.The metal processing U-drill bit comprises a U-drill bit body, a pair of chip grooves are formed in the periphery of the U-drill bit body, and blade mounting grooves communicating with the chip grooves are symmetrically formed in the top end of the U-drill bit body; the metal machining equipment comprises a base, the top of the base is fixedly connected with a machining table, the top of the machining table is symmetrically and fixedly connected with jacking sliding rails, and the tops of the two jacking sliding rails are slidably connected with a feeding clamp. Through cooperation of the adjusting sliding block and the adjusting screw rod, when a high-hardness workpiece is machined, even if the rotating speed is reduced to avoid tool overload, the supply amount of cooling liquid can still be supplemented by increasing the stroke of the T-shaped piston rod; when a low-hardness workpiece is machined, the output of the cooling liquid is controlled by reducing the stroke of the T-shaped piston rod, so that the cooling requirement of low cutting heat is met, and chip splashing and resource waste caused by excessive cooling liquid are avoided.

The invention discloses a visual detection system for metal material surface defects in machining, relates to the field of metal machining quality detection, and solves the problems of low precision, poor efficiency and insufficient three-dimensional defect analysis of traditional detection. The system comprises an image acquisition module, an image processing module, a defect identification module, a three-dimensional reconstruction module, a data analysis and decision module and a man-machine interaction module. The image acquisition module acquires a multi-angle multi-spectral image, after the multi-angle multi-spectral image is optimized by the processing module, a neural network fusing a residual structure and an attention mechanism identifies defects, three-dimensional analysis is realized by combining three-dimensional reconstruction, finally, a detection report and a processing suggestion are generated through the data analysis module, and the man-machine interaction module supports multi-dimensional interaction and closed-loop control. According to the system, high-precision and full-process detection of metal surface defects is realized, the quality evaluation efficiency and the decision accuracy are improved, and intelligent production is assisted.

The utility model relates to the field of sheet metal processing, and discloses a bending device for sheet metal processing, which comprises a base, the top of the base is fixedly connected with a support frame, the inside of the support frame is fixedly connected with two hydraulic push rods which are distributed in bilateral symmetry, the bottoms of the two hydraulic push rods are both fixedly connected with a fixed frame, and the two hydraulic push rods are fixedly connected with the fixed frame. A rotating device is arranged in the fixing frame, the outer side of the rotating device is in transmission connection with a connecting plate through threads, a mounting plate is fixedly connected to the bottom of the connecting plate, a bending knife is fixedly connected to the interior of the mounting plate through a fastener, and a second sliding plate is slidably connected to the interior of the base; the top of the second sliding plate is fixedly connected with a fixing rod through a fastener, wherein the fixing rod penetrates through and extends to the outer side of the base. The bending device for sheet metal machining has the beneficial effects that the position of the bending knife or the position of the pressing die base can be relatively adjusted, and the adjusting mode is simple and rapid.

The invention discloses a metal wire intelligent annealing and rolling control classification system, which relates to the technical field of metal processing process control, and comprises an online parameter setting module for collecting basic attribute parameters of metal wires, constructing a process parameter set and calculating initial heating power; the heating control module is used for electrifying and heating the metal wire, acquiring a temperature signal of an annealing area in real time, adjusting the heating power through a PID (Proportion Integration Differentiation) control algorithm, and calculating an average annealing temperature and a temperature fluctuation amplitude; and when the metal wire enters the cooling section, the cooling adjustment module is used for calculating the cooling completion time, controlling the cooling wind speed, carrying out feedback adjustment according to tension changes at an inlet and an outlet of the cooling section and constructing a tension fluctuation index. Dynamic balance control of the tension at the annealing rear section is achieved through the cooling adjusting module, and finally the annealing stability and the tension control precision of the whole line are improved.

The invention discloses a manufacturing method of a large-size thin-wall rectangular shell, and relates to the field of metal processing. The manufacturing method of the large-size thin-wall rectangular shell comprises the following steps: dividing the rectangular shell into five shell parts, namely a lower cabin shell, a front wall plate, a rear wall plate, an inlet side wall plate, an outlet side wall plate, an upper wall plate and a lower wall plate; dividing the shell part into a plurality of shell plate units for manufacturing; positioning and splicing the shell plate unit and the reinforced structure on the splicing platform, and splitting after welding; and the shell plate unit and the reinforced structure are sequentially installed and welded from bottom to top according to the installation sequence of the lower cabin shell, the lower wall plate, the rear wall plate, the front wall plate, the inlet side wall plate, the outlet side wall plate and the upper wall plate. According to the manufacturing method of the large-size thin-wall rectangular shell, through standardized manufacturing, convenient transportation and modular installation, the reliable forming size and installation quality can be ensured, the production efficiency is improved, and the problems that butt joint rib plates are staggered due to error accumulation, a shell plate folding seam gap is too large, and welding deformation of the thin-wall shell is large and difficult to control are solved.

The invention belongs to the technical field of metal processing, and discloses a low-damage control method for a thin-wall weak-rigidity titanium alloy part in a milling process, which comprises the following steps of: distributing milling machining allowance in a rough machining process; in the finish machining process, an axial gradual change cutting depth mode is adopted during part rib height machining, a mode of symmetrically and alternately removing allowance on the two sides of a vertical rib is adopted during part vertical rib wall thickness size machining, and a spiral cut-in feeding mode is adopted during part end machining. The mode that the machining allowance is subjected to radial layering and axial gradual change cutting depth is adopted, and the chatter problem of the part and a cutter in the machining process of the thin-wall weak-rigidity titanium alloy part is solved.

The invention relates to the technical field of metal processing equipment, and discloses a metal wire bending machine which comprises a bending machine rack, a self-adaptive feeding mechanism is arranged above the bending machine rack, a replaceable mechanism is arranged on the left side of the self-adaptive feeding mechanism, and the self-adaptive feeding mechanism comprises a workbench; the bottom face of the workbench makes contact with the upper surface of the bending machine rack, the upper surface of the workbench is fixedly connected with two fixed installation bases, and an adjusting installation base is arranged above each fixed installation base. According to the metal wire bending machine, the self-adaptive feeding mechanism is arranged, two fixed mounting bases are matched with two adjusting mounting bases arranged above the fixed mounting bases, metal wires are conveniently conveyed through two sets of rotating rolling wheels, extrusion force borne by the rotating rolling wheels is detected through a pressure sensor, and therefore the metal wires can be conveniently conveyed. And the stability of the distance between the two sets of rotating rollers can be adjusted, and the bending machine can adapt to bending machining of metal wires of various specifications.

The utility model belongs to metal processing technical field, concretely relates to a kind of double-station auxiliary positioning tool for metal cutting, including chassis, the surface of the chassis is provided with the fixed end of electric push rod, further include positioning mechanism, the positioning mechanism includes connecting button, by being placed in operating range with cylindrical workpiece, by the expansion plate of two sides, L-shaped rod one and L-shaped rod two drive respective rubber pad and workpiece contact, so that clamping positioning is carried out to it, when facing the cylindrical workpiece of different radius size, by rotating rotating cylinder so that threaded rod moves, threaded rod moves then drives expansion plate to move, so that with the movement of expansion plate makes the clamping range become larger, double-station can handle two workpieces synchronously, and quick positioning can reduce the adjustment time when the workpiece of different radius switches, so that it is not necessary to frequently replace fixture or manual calibration, shorten auxiliary working hours, improve equipment utilization.

The application discloses a thin-wall stainless steel pipe welding seam polishing device and belongs to the technical field of metal processing machine tools.The thin-wall stainless steel pipe welding seam polishing device comprises a main shaft, a through hole for accommodating a thin-wall steel pipe to be polished is arranged in the middle of the main shaft, a clamping groove is arranged on the circumferential sidewall of the through hole, and an electromagnetic strip is movably arranged in the clamping groove; a top rod is coaxially opposite to the through hole and is driven by a top rod sliding table to horizontally approach or move away from the main shaft. The thin-wall stainless steel pipe welding seam polishing device realizes the integration and quick nondestructive switching of polishing and ultrasonic impact functions through a highly integrated dual-mode power relay, combines two processes into one, greatly improves production efficiency, and avoids positioning errors caused by multiple clamping.