1114 results about "Metal machining" patented technology

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 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 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 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 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 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 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.

The utility model discloses a metal cutting device with a cleaning function, which belongs to the technical field of metal processing, and comprises a cutting table, a support plate is fixedly connected onto the cutting table, two fixing blocks are arranged on one side of the support plate, a threaded rod is rotatably connected between the two fixing blocks, and the threaded rod is fixedly connected with the cutting table. The threaded rod penetrates through the fixing block to be provided with a first motor. According to the metal cutting device with the sweeping function, a first motor, a threaded rod, an electric telescopic rod and a second motor are arranged, the electric telescopic rod drives the second motor to move downwards, a brush below the second motor can be attached to a cutting table, and the brush sweeps metal chippings on the cutting table through rotation of an output shaft of the second motor; and then an electric telescopic rod drives a second motor to move, metal chippings on the cutting table are swept into a chipping collecting box through a through groove to be collected in a unified mode, and then it is avoided that metal chippings accumulated on the workbench affect subsequent cutting of metal workpieces by the device.

The invention discloses a continuous bending device for sheet metal working, which comprises a device main body, and further comprises a die frame and a driving assembly, the die frame and the driving assembly are simultaneously mounted on the device main body, and the driving assembly is used for driving the die frame to move longitudinally; the male dies are fixedly connected to the die frame. The female die is fixedly connected to the device body, and the male die is located over the female die; the protection mechanism and the wiping mechanism are simultaneously connected to the outer side of the mold frame; the protection mechanism comprises a hard baffle plate which is fixedly connected to one side of the mold frame; the acrylic plate is fixedly embedded in the inner wall of the hard baffle; the soft baffle is fixedly connected to the outer wall of the bottom end of the hard baffle; and a plurality of high-pressure nozzles fixedly communicate with the inner wall of the bottom end of the air conveying pipe at equal intervals, and the multiple high-pressure nozzles penetrate through the bottom end of the hard baffle at the same time. The continuous bending device for sheet metal working has the effects that the danger degree can be further reduced, and meanwhile equipment loss caused by repeated shutdown can be avoided.

The utility model relates to the technical field of metal middle frame processing, in particular to a special protection device for metal processing, which comprises a special protection device main body and a spraying mechanism, the upper side of the special protection device main body is fixedly connected with two vertical plates, and a rotating shaft frame is rotatably mounted between the two vertical plates; two clamping plates used for clamping the metal middle frame are connected into the rotating shaft frame in a sliding mode, and first springs are connected between the two clamping plates and the rotating shaft frame in an array mode. And then the two connecting plates can be extruded and positioned through relative movement of the two mounting plates, so that clamping of the metal middle frame is further enhanced, the stability of the metal middle frame during spraying machining is improved, spraying machining can be conducted on the front face and the back face of the metal middle frame through rotating adjustment of a rotating shaft frame, the metal middle frame does not need to be fixed again, and the machining efficiency is improved. And the working efficiency during spraying of the special protection device is improved.

The utility model discloses a chipping cleaning device for metal processing, which comprises a working table, a fixing structure and a polishing structure are arranged on the working table, a cavity is arranged in the working table, an annular groove communicated with the cavity is arranged on the upper surface of the working table, a supporting column is arranged on the lower wall of the cavity, and the supporting column is arranged in the annular groove. The top end of the supporting column is installed on the upper wall of the cavity. The device is reasonable in structure and novel in design, during use, a metal part is fixed through a fixing structure, when an electromagnet penetrates out of the upper end of an annular groove, the effect of adsorbing scraps can be achieved, the electromagnet is powered on, a second motor works to drive a rotating shaft to rotate, then a stirring rod is driven to rotate, the scraps can be scattered through rotation of the stirring rod, and the service life of the metal part is prolonged. And moreover, waste chips on the edge can be close to the auger, the waste chips can be conveniently discharged, hot air can be injected into the cavity through the arranged air heater, the waste chips in the collecting box can be dried, follow-up waste chip treatment is facilitated, and the waste chips can be conveniently discharged.

The invention discloses a turning and milling device for a turning and grinding finish machining compound machine tool and the turning and grinding compound machine tool, and particularly relates to the technical field of metal machining, the turning and milling device comprises a turning and milling cutter tower and a cutter holder, a sliding seat used for fixing a turning tool is connected to the cutter holder, and a pre-tightening mechanism used for pushing the sliding seat to move towards one side of a workpiece is connected to one side of the cutter holder; the mounting base and the locking device are used for rigidly supporting the sliding seat; the tool retracting mechanism comprises a locking device and a traction cable, when the turning tool vibrates violently, the traction cable pulls the locking device, the locking device can act on the mounting base, so that the locking device loses rigid support on the sliding base, and meanwhile, the sliding base drives the turning tool to retract. And the locking device is pulled, so that the locking device can instantly respond and withdraw the tool for avoiding, and chain accidents such as tool tipping, workpiece scrapping and damage to core parts of a machine tool are fundamentally avoided.

1. Name of the product in this design: Seven-axis five-linkage turning and milling composite machining center (1250TC). 2. Intended use of this design: for use in metal processing centers. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted.

The application discloses a cutting fluid supply device and an operating method, and relates to the technical field of metal machining equipment. The cutting fluid supply device and the operating method are characterized by the following: a controller is fixedly installed on the front side of a liquid storage tank; a spring pin and a movable column are arranged to facilitate the replacement of filter screens of different specifications; when the filter screen is replaced, the driving assembly is started to rotate the mounting cylinder; the L-shaped clamping plate is pinched and pressed in the middle to move away from the left side of the switching cylinder; the elastic force of the first spring is used to move the movable column to the right side and abut against the left side of the mounting cylinder; when the mounting cylinder is rotated to a certain angle, the spring pin is inserted into the insertion slot; when the spring pin moves to the inside of the arc-shaped slot, the switching cylinder is rotated along the arc-shaped slot to rotate the filter assembly to switch; then, the spring pin drives the movable column to rotate out of the inside of the mounting cylinder and limits the position of the switching cylinder to complete the switching through the limiting of the limiting assembly, so that the switching is facilitated and the working efficiency of the device is improved.

The utility model discloses rust-proof spraying equipment for metal products, which relates to the field of metal processing and comprises a box body, a control panel, a moving component, a spraying component and a spraying component. The clamping assembly is arranged on the moving assembly; the spraying assembly is arranged on the box body; the protective assembly is arranged on the box body and matched with the box body, and the clamping assembly is matched with the moving assembly, so that the clamping assembly can move from the interior of the box body to the exterior of the box body, metal products can be loaded and unloaded more conveniently, and the situation that an operator possibly sucks residual anti-rust liquid when entering the box body is reduced; therefore, the working efficiency is improved, and the body health of operators is protected. Through cooperation of the two clamping assemblies and the spraying assembly, the spraying device can conduct spraying work on the two metal products at the same time, then the spraying efficiency of the metal products is improved, and the yield of the metal products is increased.

This utility model relates to the field of metal processing technology, and particularly to a feeding device for stainless steel bar processing. It includes a conveyor belt module and a second pushing module arranged parallel to each other. A first pushing module is positioned between the conveyor belt module and the second pushing module, facing towards the second pushing module. A transition ramp is provided between the first and second pushing modules, and a lifting door is installed in the transition ramp. Contact sensors and laser rangefinders are positioned opposite each other at the front and rear ends of the conveyor belt module. The conveyor belt module includes a horizontal conveyor belt and baffles vertically arranged on both sides of the horizontal conveyor belt. The baffle near the second pushing module has a notch-connected transition ramp, and the baffle also has a notch-connected feeding ramp. This utility model has a reasonable structure, and the feeding, conveying, measuring, and screening processes are connected quickly and smoothly. Bars that pass the measurement are conveyed to the next stage, while bars that fail the measurement are conveyed to a collection bin.

This invention discloses an automated transformer assembly machine, relating to the field of metal processing technology. It aims to solve the technical problems of traditional transformer assembly methods, such as the separation of flipping and cleaning processes leading to time-consuming equipment switching and accumulated positioning errors affecting assembly accuracy; open brush cleaning causing residue to splash and contaminate the equipment, potentially threatening insulation performance; and manual point-by-point cleaning methods being inefficient and prone to quality fluctuations that fail to meet reliability requirements. The invention includes both assembly and cleaning mechanisms. This invention employs an automated design, using mechanical structures and motor drives to achieve the cleaning action, reducing manual intervention, lowering labor intensity, improving cleaning efficiency, ensuring the stability and consistency of cleaning quality, and enhancing product operational reliability. Furthermore, aeration after friction cleaning effectively prevents impurities from remaining on the transformer surface, reducing contamination of the transformer's interior and other equipment components.

The invention discloses cutting equipment with a cooling function for metal processing, and relates to the technical field of cutting equipment.The cutting equipment comprises a rack, a moving mechanism is installed on the rack, a cutting mechanism is installed on the moving mechanism, and a cooling mechanism matched with the cutting mechanism is installed on the moving mechanism; the device comprises a rack, a workbench is installed on the rack, a plurality of liquid leakage holes are formed in the workbench, a filtering mechanism is installed at the position, located below the workbench, in the rack, and a processing mechanism matched with the filtering mechanism is installed on the rack. The full-process collaborative optimization of cutting, cooling and waste liquid recycling and filtering is achieved, an additional cooling power source is not needed, the structure is simple, energy consumption is low, cooling uniformity and machining precision are high, the cooling liquid recycling rate is high, the maintenance period is long, and diversified metal machining requirements are met.

This invention relates to the field of metallurgical machinery and equipment and metal processing, specifically to an anode steel claw straightening machine and its method; it includes a C-shaped straightening frame, a main hydraulic cylinder, an ultrasonic indenter with a built-in ultrasonic transducer, an antagonistic hydraulic compensation blind cavity, and an industrial control computer; the system connects the antagonistic hydraulic compensation blind cavity located on the back side of the vertical column with the oil inlet of the rodless chamber of the main hydraulic cylinder; its core is that when the main hydraulic cylinder pushes, the expansion trend generated synchronously by the blind cavity is used to apply a reverse prestress bending moment to the vertical column; this invention effectively counteracts the elastic backward tilting deformation of the frame caused by the reaction force of the main thrust, prevents the amplification of the displacement deviation at the execution end, and thus ensures a tight fit between the ultrasonic indenter and the surface of the anode steel claw.

The utility model discloses a slitting line cutting device, which belongs to the technical field of metal processing and comprises a frame, a first conveying component arranged on the frame, a bearing component arranged in the middle of the frame, a second conveying component arranged on one side of the frame far away from the first conveying component, and a limiting component arranged on the second conveying component. The cutting assembly is arranged above the bearing assembly, the phenomenon that in the traditional cutting process, the length error phenomenon is likely to be caused in the manual marking and cutting process can be avoided, fixed-length cutting of the metal strip is achieved, and the product consistency is improved.

This utility model relates to the field of metal processing technology, specifically a treatment device for improving the thermal performance of the sawn end of round bars. It includes a support plate, with a circular plate fixedly connected to the top of the support plate. The circular plate has a through-hole and an arc-shaped groove. The support plate and the circular plate are arranged in two sets, with a cylinder fixedly connected between the two circular plates. A treatment component is disposed inside the cylinder, including a hollowed-out cylinder disposed within the cylinder. A driving component is disposed outside the hollowed-out cylinder, and the driving component is arranged in two sets, opposite to each other. Two first sun gears are fixedly connected to both ends of the hollowed-out cylinder. Each driving component includes a first sun gear rotatably connected within the circular plate, with three first planetary gears meshing on the outer side of the first sun gear. All three first planetary gears are rotatably connected within the circular plate. This treatment device for improving the thermal performance of the sawn end of round bars can uniformly cool the bar and prevent cracking.

The invention relates to the technical field of metal processing machinery, in particular to a numerical control gantry cut-off machine capable of changing the cutting angle, which comprises a main oil cylinder and an auxiliary oil cylinder which are mounted in the middle of a rack, and a tandem oil way is arranged between the main oil cylinder and the auxiliary oil cylinder; an upper tool rest is installed in the middle of the rack, two sets of connecting bases are fixedly installed at the upper end of the upper tool rest, and ball heads matched with the connecting bases are installed at the output ends of the main oil cylinder and the auxiliary oil cylinder; a main oil cylinder upper cavity and a main oil cylinder lower cavity are formed in the main oil cylinder, and an auxiliary oil cylinder upper cavity and an auxiliary oil cylinder lower cavity are formed in the auxiliary oil cylinder. According to the numerical control gantry cut-off machine capable of changing the shearing angle, the problems that when the shearing angle of an existing cut-off machine is fixed in the using process, when a shearing material is subjected to unbalance loading, a tool rest can be clamped by a guide rail, and when a thin material is sheared, the angle cannot be adjusted, so that the shearing stroke is lengthened, the shearing speed cannot be increased, and the shearing efficiency is reduced can be solved.

The utility model is suitable for the technical field of metal processing, and provides a metal cutting and welding integrated device. A support base plate; the rotating block is movably mounted in the middle of the supporting bottom plate; the rotating disc is fixedly mounted at the top of the rotating block; the partition plate is fixedly mounted in the middle of the top of the rotating disc; and the cutting structure and the welding structure are symmetrically arranged on the top of the rotating disc front and back. Compared with the prior art, the welding device has the advantages that when the welding device is used, the rotating block is arranged in the middle of the supporting bottom plate, the rotating disc is arranged on the rotating block, the welding station and the cutting station are arranged on the front side and the rear side of the rotating disc and separated through the partition plate, and therefore interference between the welding station and the cutting station is avoided; and the time required for transferring the materials is shortened, so that the operation steps are saved, the operation difficulty is reduced, and the use efficiency of the device is improved.

The present application relates to the technical field of metal processing, in particular to a multi-purpose bearing support finish machining tool, comprising a machining base, a lifting control assembly, a positioning assembly and a fixing assembly, two feeding racks are symmetrically arranged on the upper end of the machining base, a material running area is arranged between the two feeding racks, a narrow conveyor belt is horizontally arranged on one side of the material running area where the feeding racks are located, bearing support seats are horizontally arranged on the upper end of the two narrow conveyor belts, the bearing support seats are continuously conveyed through the narrow conveyor belts, when the inner ring of the bearing support seat is finish machined, the lifting control assembly, the positioning assembly and the fixing assembly are matched to accurately and stably place the bearing support seat, which facilitates the continuous operation of finish machining, improves the machining efficiency and reduces the personnel cost, in addition, the auxiliary rod of the lifting control assembly can assist in processing the overheating and dust pollution of the bearing support seat that may be generated during finish machining, improving the finish machining quality of the bearing support seat and being simple and convenient to operate.

The invention relates to the field of laser cutting, in particular to a laser cutting machine for metal machining. Comprising a clamp arranged on a workbench, and a laser cutting head driven by a multi-axis moving mechanism is arranged above the clamp; an internal expanding mechanism is arranged in the middle of the workbench and comprises two main frames adjustably connected with the workbench, the two main frames are connected with an auxiliary frame through self-locking sliding blocks, a rotary disc is arranged at the lower end of the auxiliary frame, two supporting plates are hinged to the upper end of the auxiliary frame, and the supporting plates apply force to the inner sides of acute angles during cutting. A fixed seat fixedly connected with the workbench is arranged above the main frame, the fixed seat is provided with an external shrinkage mechanism, the external shrinkage mechanism comprises a deflection frame with the upper end rotationally connected with the fixed seat, the lower end of the deflection frame is elastically connected with a pressing plate, and the pressing plate applies force to the outer side of the obtuse angle during cutting. When the device runs, the clamp clamps a workpiece, the supporting plate abuts against the inner side of the acute angle, and the deflection frame deflects to enable the pressing plate to abut against the outer side of the obtuse angle; the laser cutting head vertically cuts along the three sides of the workpiece, the supporting plate and the pressing plate exert abutting force on the workpiece, excessive deformation of the workpiece is prevented, and the device is suitable for cutting thin bent metal plates.