1292results about How to "Improve cutting accuracy" patented technology

The invention relates to the technical field of part typesetting, in particular to a nesting typesetting mixed common-edge analysis method and system based on laser cutting. The method comprises the following steps: obtaining initial typesetting part structure data, and carrying out part common-edge relation analysis to obtain part common-edge relation data; common-edge path optimization is carried out according to the initially-typeset part structure data, and optimized part cutting path data is obtained; performing laser cutting simulation based on the optimized part cutting path data to obtain laser cutting simulation data; performing typesetting heating balance optimization according to the laser cutting simulation data so as to obtain optimized part typesetting data; and performing cutting waste rate evaluation on the optimized part typesetting data to obtain typesetting cutting waste rate data, and performing minimum cutting waste rate optimization on the optimized part typesetting data based on the typesetting cutting waste rate data to obtain optimal part typesetting data. The cutting efficiency and precision are improved.

The invention relates to the field of laser cutting control, in particular to a laser cutting control method, device and equipment for a rock plate and a storage medium. The method comprises the following steps: acquiring a laser cutting reflection signal based on an optical fiber detector; digital processing is conducted on the laser cutting reflection signals, light intensity distribution fitting is conducted, and a light intensity distribution diagram is constructed; light distribution topological structure analysis is carried out on the light intensity distribution diagram, and a real-time cutting morphology point cloud model is constructed; performing real-time morphology deviation comparison on the real-time cutting morphology point cloud model based on a preset theoretical rock plate cutting morphology to obtain a morphology deviation parameter; acquiring real-time operation state parameters of the laser cutter; and cutting deviation compensation calculation is conducted on the real-time operation state parameters of the laser cutter based on the morphology deviation parameters, a dynamic cutting control strategy is obtained, and response data in the laser cutting correction process are continuously monitored. According to the laser cutting control system, efficient and accurate laser cutting control is achieved, and the laser cutting deviation is effectively reduced.

The invention relates to the technical field of glass bottle defect detection, and particularly discloses glass wine bottle body defect optical detection equipment and detection method.The optical detection equipment comprises a conveying belt, and a clamping mechanism, a lifting rotating mechanism, a detection mechanism and a sorting mechanism are sequentially arranged on the conveying belt from the feeding end to the discharging end. The detection end of the detection mechanism is attached to the bottle body of the glass wine bottle for optical detection, the receiving end of the detection mechanism receives the light in the glass wine bottle, the light directly reaches the receiving end in the bottle after passing through a bottle body material, and a signal path is relatively fixed, so that the interference of ambient light or reflection of surrounding objects on an optical signal can be effectively reduced. The bottle body of the glass bottle has a certain thickness, deviation of light scattering and refraction is easy to occur when light passes through the thickness of the glass in traditional external detection, the error can be reduced by matching of an external detection end and an internal receiving end, fine defects such as bubbles, cracks or tiny scratches are helped to be captured, and the detection stability is improved.

The invention discloses an ultrafast laser precision cutting method capable of removing burrs in parallel, which comprises the following steps: materials are conveyed to cutting positions of a first galvanometer system and a second galvanometer system, and the materials comprise a metal foil and a coating coated on the metal foil; determining a tab cutting total path and a linear cutting path in the tab cutting total path according to the tab specification parameters; the metal foil is pre-cut by the first galvanometer system along a linear cutting path; the metal foil is cut by a second galvanometer system along the tab cutting total path, and the pre-cutting path of the metal foil is cleaned; laser light sources of the first galvanometer system and the second galvanometer system are a nanosecond laser and an ultrafast laser respectively; the linear cutting path is located at the coating portion of the metal foil. By means of the method, the input cost of tab cutting equipment can be reduced, the phenomena of burrs and bead melting generated in the tab cutting process are reduced, high-quality tab cutting is achieved with low cost, and the battery performance and the yield are improved.

The invention relates to the technical field of pipeline cutting, and particularly discloses cutting equipment for gas engineering pipeline installation, which comprises an equipment base, servo motors are symmetrically and fixedly connected to the outer side of the equipment base, a driving assembly is arranged at the top of the equipment base, and a clamping assembly and a supporting assembly are symmetrically arranged in the equipment base. A laser cutting head is arranged between the two clamping assemblies, the driving assembly comprises a first driving mechanism and a second driving mechanism, and each clamping assembly comprises a limiting mechanism, a positioning mechanism, a first clamping mechanism, a second clamping mechanism and a transmission mechanism. Through separation operation of the first clamping mechanism and the second clamping mechanism, the pipeline can be placed on the top of the bottom positioning mechanism, then the first clamping mechanism and the second clamping mechanism are combined, a second double-shaft motor is started to drive a first half gear ring and a second half gear ring which are in butt joint, the first half gear ring and the second half gear ring push a driven wheel to rotate, and then the pipeline is clamped. And the driven wheel drives the clamping block to position and clamp the steel pipe, so that the steel pipe is conveniently and quickly positioned, the cutting stability of the steel pipe is ensured, and the cutting quality is improved.

The invention relates to an exchange platform laser cutting device. The device comprises a rack, a climbing rail, a translation rail, a translation platform, a climbing platform, a driving mechanism, a three-dimensional moving mechanism and a laser cutting mechanism. The rack comprises a first area and a second area, a plurality of partition plates are arranged at the bottom of the rack corresponding to the first area to form a plurality of smoke exhaust sub-areas, a smoke exhaust port is formed in the rack corresponding to one side of each smoke exhaust sub-area, each smoke exhaust port is connected with a smoke exhaust pipe, a total air outlet is formed in the smoke exhaust pipe, and the total air outlet is communicated with the smoke exhaust sub-areas. An air door and an air door driving assembly used for driving the air door to be opened and closed are arranged at the smoke outlet. The running track of the climbing platform is that the climbing platform ascends and then descends, when the climbing platform and the translation platform are staggered, the climbing platform is located above the translation platform, the climbing platform does not occupy the bottom space of the rack, in this way, the bottom space of the first area of the rack can be released, and therefore a smoke exhaust mechanism can be arranged in the bottom space of the rack.

The invention discloses an improved liquid crystal display screen secondary cutting and trimming process, and particularly relates to the technical field of liquid crystal display screen processing, which comprises the following steps: SS1, light profile scanning and pre-cutting planning, SS2, precise cutting of an upper polaroid, SS3, flexible fitting and pre-pressing treatment, SS4, integration of an IC (integrated circuit) and an FPC (flexible printed circuit), and formation of pre-cut liquid crystal display FOG (field optical glass) and SS5, high-precision laser cutting and splitting treatment. SS6, laser welding and sealing treatment, SS7, lower polaroid attaching and curing treatment, and SS8, power-on aging and backlight assembly are carried out. By introducing the technologies of laser scanning and planning, automatic precise cutting and flexible fitting, laser welding and sealing treatment and the like, the cutting precision, edge quality and production efficiency of the liquid crystal display screen are remarkably improved, meanwhile, the production cost is reduced, the stability of the production process and the reliability of the product quality are enhanced, and the production efficiency of the liquid crystal display screen is improved. And obvious advantages are brought to the field of liquid crystal display screen manufacturing.

The invention discloses a laser positioning cutting machine for insulating silica gel sealing gasket machining, and belongs to the technical field of insulating silica gel sealing gasket machining. The laser positioning cutting machine comprises a workbench, and a fixing frame is fixedly installed at the top of the workbench; the cutting mechanism comprises a moving frame, a moving seat and a laser cutting head, the moving frame is installed on the outer side of the fixed frame in a sliding mode, the moving seat is installed at the bottom of the moving frame in a sliding mode, and an air cylinder is fixedly installed in the moving seat; and the clamping mechanism comprises a pressing frame, a screw rod, a driving plate and a pressing plate, a trapezoidal plate is fixedly installed at the top of the pressing frame, and a triangular plate is fixedly installed at the bottom of the driving plate. By means of the cutting mechanism and the clamping mechanism, automatic laser cutting of the sealing gasket can be achieved, the cutting precision is improved, burrs are avoided, meanwhile, the laser cutting parameters can be automatically adjusted according to the thickness of the sealing gasket under the cooperation of the linkage mechanism, efficient and complete cutting is guaranteed, and the cutting efficiency is improved.

The invention discloses a multifunctional automatic laser cutting machine, and relates to the technical field of laser cutting, the multifunctional automatic laser cutting machine comprises a base, a support is fixedly mounted at the top of the base, a first motor is fixedly mounted at the top of the support, a threaded rod is fixedly mounted at the output end of the first motor, and a sleeve is in threaded connection with the threaded rod; a clamping device is arranged at the top of the base, a collecting device is arranged at the top of the base, a ventilation device is arranged at the top of the clamping device, and the clamping device comprises an electric push rod, cutting equipment, a laser head, a bevel rod, a cutting table, a clamping plate, a first bevel block, a connecting rod and a protective plate. A workpiece can be effectively fixed to the cutting table, the workpiece is prevented from moving or shaking in the laser cutting process, the cutting precision is improved, and the connecting rod moves to drive the protection plate to move.

The invention relates to the technical field of self-adaptive control laser cutting, in particular to a self-adaptive laser cutting method and system based on characteristic parameters of sheet metal parts. Firstly, by establishing a space coordinate system and obtaining a top view image of a cutting platform, contour deviation is calculated, a correction initial position is generated, and then a cutting path is optimized. And the laser cutting head moves to the corrected initial position according to the path and performs a cutting task. In addition, the method further comprises the steps that the to-be-processed sheet metal part image is segmented into a plurality of sub-images, and a sub-image cross list is established to describe the connection relation of the sub-images. And extracting a subimage feature vector through a feature learning model, and adjusting a control parameter by using cutting simulation information to compensate an error. And for each sub-image, based on the cutting result and the connection relationship, adaptive adjustment of control parameters is carried out, and the precision of the subsequent cutting step is ensured. And finally, a complete cutting task is realized by updating the cutting mark and merging the sub-images.

The invention relates to the technical field of battery piece cutting, in particular to a photovoltaic panel battery piece cutting device which comprises a cutting device body, a laser head and a cutting table and further comprises multiple negative pressure suction cups, the negative pressure suction cups are located on the cutting table, and the multiple negative pressure suction cups are used for adsorbing and fixing the battery piece; the fixing assembly is arranged on the cutting table, and the fixing assembly is used for driving the negative pressure suction cup to adsorb and fix the battery piece; the photovoltaic panel battery piece cutting device comprises a fixing assembly and a separation assembly, the separation assembly is arranged on the fixing assembly, the separation assembly is used for driving a negative pressure suction cup to drive a battery piece subjected to laser cutting to deflect, and therefore the battery piece which is not completely cut is controlled to be separated along a preset cutting line. The negative pressure suction cup can firmly adsorb the battery piece, meanwhile, the separation process of the battery piece can be accurately controlled by controlling deflection of the negative pressure suction cup, automatic operation is achieved, manual intervention is reduced, and the cutting efficiency is improved.

The laser cutting device for metal cutting comprises a box body, a bearing plate is arranged in the box body, a bearing bin is formed by the bearing plate and the upper portion of the box body, transmission shafts are rotationally installed on the two sides of an inner cavity of the bearing bin, scraping plates are fixedly installed on the surfaces of the transmission shafts, and a fixing plate is fixedly installed at the top of the inner cavity of the bearing bin; a sliding rod penetrates through the interior of the fixing plate, a top column is slidably mounted at the top of the sliding rod, a spring is fixedly mounted at the bottom of the top column, and an eccentric disc is fixedly mounted at the corresponding end of the transmission shaft. A transmission shaft rotates to drive a scraping plate to rotate and drive an eccentric disc to rotate at the same time so as to separate adhered waste from a bearing plate, and when the eccentric disc extrudes a sliding rod, the sliding rod moves upwards, so that a jacking column is driven to move upwards, then the jacking column collides with the two sides of a cutting seam, the cutting seam vibrates, and the falling speed of the cut waste is increased; and the cutting seams are prevented from being blocked and polluted through timely removal of the waste materials, and the cutting quality is improved.

The utility model relates to the technical field of electric spark cutting machines, and discloses an electric spark numerical control cutting machine alignment device which comprises a working table and a cutting machine body right facing the working table, an adjusting assembly driving the cutting machine body to ascend and descend is installed on the working table, first supporting frames parallel to each other are fixed to the two sides of the working table, and the first supporting frames are fixed to the working table. A second supporting frame and a third supporting frame which are perpendicular to the first supporting frames are fixed between the first supporting frames on the two sides, the second supporting frame and the third supporting frame are parallel to each other, a horizontal lead screw is rotationally connected to the second supporting frame, the two ends of the horizontal lead screw are in threaded connection with clamping seats, opposite threads are arranged at the two ends of the horizontal lead screw, and the clamping seats are in threaded connection with the clamping seats. Clamping plates are fixed to the adjacent sides of the clamping seats on the two sides, and pressing mechanisms are fixed to the clamping seats on the two sides and the middle of the third supporting frame. The fixture has the following advantages and effects that a workpiece can be conveniently and automatically positioned and aligned, meanwhile, the workpiece is rapidly pressed and fixed, and the machining efficiency is improved.

The utility model relates to annular line processing equipment for a metal structural member, which belongs to the technical field of metal processing and comprises a structural member assembly, a guide wheel cutting mechanism and a workbench mechanism. The guide wheel cutting mechanism comprises a driving wheel, a driven wheel, a tension wheel, a detection wheel and a cutting line; the cutting line surrounds the driving wheel, the driven wheel, the tension wheel and the detection wheel to form an annular line; the motor drives the cutting line to circularly rotate through the driving wheel; the workbench mechanism comprises a push-pull assembly, a lifting assembly and a feeding workbench. A workpiece is arranged on the feeding workbench. The push-pull assembly comprises a lifting assembly mounting frame and a push-pull driving device; the push-pull driving device pushes and pulls the lifting assembly mounting frame to move horizontally, and the pre-cutting position of the workpiece is moved to the position under a cutting line; the lifting assembly comprises a lifting support and a lifting driving device. The lifting driving device drives the workpiece to ascend and descend through the feeding workbench. The cutting device can stably and efficiently cut workpieces, is high in cutting precision and low in cost, and does not pollute the working environment.

The utility model relates to the technical field of pipeline and pipe fitting machining, in particular to a cutting device convenient to position and used for pipeline and pipe fitting machining, which comprises an operation table, upper pressing mechanisms arranged on two sides of the top of the operation table, a cutting mechanism arranged between the two groups of upper pressing mechanisms, and a limiting mechanism arranged on one of the upper pressing mechanisms. A one-way guide supporting mechanism capable of conveying towards the limiting mechanism side is arranged below the two sets of upper pressing mechanisms in a penetrating mode, a displacement measuring sensor is arranged below the limiting mechanism, the two sets of upper pressing mechanisms are both electrically connected with the displacement measuring sensor, and the cutting device is high in cutting stability and cutting precision.

The invention relates to the technical field of material cutting, and discloses cutting equipment for color steel tile processing, which comprises a workbench, a conveying mechanism is fixedly mounted at the top of the workbench, the conveying mechanism can convey a color steel tile forwards, and a limiting mechanism for preventing the color steel tile from shaking is arranged at the top of the color steel tile. A laser device is further installed on the top of the workbench and can emit laser for cutting the color steel tile. The cutting track of the laser device coincides with the shape of the cross section of the color steel tile through the adjusting assembly, so that laser emitted by the laser device can accurately track the corrugated shape of the color steel tile, a constant distance is kept between the laser emitted by the laser device and the color steel tile, high cutting precision is kept, the cutting face is smoother, and the cutting efficiency is improved. And burrs are prevented. The laser is used for cutting along with the corrugated shape of the color steel tile, so that burrs and irregular edges left by a traditional cutting knife can be effectively removed, and the cut edges are smoother and more attractive.

The utility model relates to the technical field of laser cutting, and discloses a laser cutting device capable of collecting sweeps, which comprises a top plate, two sides of the bottom of the top plate are fixedly connected with support plates, the two support plates are fixedly connected with the same material collecting frame close to the top, one side of the top of the material collecting frame is provided with a drain outlet, and the top of the material collecting frame is fixedly connected with a scraping plate. A rectangular hole is formed in the middle of the scraping plate, a threaded connection plate is slidably connected into the rectangular hole, sliding rods are slidably arranged at the two ends of the threaded connection plate in a sleeved mode, round holes matched with the sliding rods are formed in the two ends of the threaded connection plate, the tops and the bottoms of the two sliding rods are fixedly connected to the top and the bottom of the rectangular hole, and a T-shaped groove is formed in the middle of the top of the threaded connection plate. The cutting device has the technical effects that sweeps and dust generated by cutting can be cleaned in time, so that the cutting process is smoother, the working efficiency is improved, the influence of the sweeps on the cutting head can be reduced, and the cutting precision and quality are improved.

The invention relates to the technical field of furniture machining, in particular to a hardware laser cutting device for furniture machining and a cutting method.The top of the inner wall of the laser cutting device is fixedly connected with a master control frame, and the bottom of the master control frame is fixedly connected with a control mechanism; according to the laser cutting device, the control mechanism, the control frame and the transmission assembly are arranged, the problem that in the laser cutting process, due to movement or vibration of the metal fixing plate, the cutting precision is reduced can be effectively solved, the whole cutting process is high in automation degree, and operation is easy and convenient; the production efficiency and cutting precision of hardware for furniture machining are greatly improved, specifically, when a metal fixing plate is cut through laser, a bidirectional hydraulic push rod is activated firstly, a push-pull block and a push-pull cross rod are pulled to move in a C-shaped sliding groove, then a rotating rod and an L-shaped retracting and expanding rod are made to slide, and a thickness sensing clamping plate is driven to clamp the metal fixing plate.

The invention relates to the technical field of laser cutting, in particular to a 3D laser cutting system based on three-dimensional machine vision, which comprises a base, a 3D laser cutting mechanical arm, a placing shell, a control panel, a transverse moving part, two three-dimensional cameras and an adjusting assembly, the two three-dimensional cameras below the rotating plate are driven by the rotating plate to rotate and adjust, multi-angle shooting is conducted around a workpiece, meanwhile, the workpiece is clamped by the clamping claw, then the workpiece is overturned and adjusted through the overturning unit, a three-dimensional model is analyzed and calculated, then a cutting track is planned through the control panel, the 3D laser cutting mechanical arm is started to conduct laser cutting on the workpiece, and the workpiece is cut through the three-dimensional laser cutting mechanical arm. Therefore, the workpiece can be shot in all directions, a model can be effectively analyzed, the workpiece can be turned over, the situation that dead corners exist is avoided, and the cutting precision is effectively improved.

The invention relates to the technical field of chip wafer processing, in particular to a cutting system capable of accurately positioning a chip wafer and a cutting method thereof.The cutting system comprises a cutting machine body, an image processing module, a sensor module, a motion control module, a focusing module and a data processing module, and the image processing module, the sensor module, the motion control module, the focusing module and the data processing module are installed on the cutting machine body; through cooperative work of the image processing module and the sensor module, the cutting system can accurately recognize the position and the edge of a chip, so that high-precision positioning is achieved, the cutting system can adapt to wafers of different thicknesses and different cutting requirements through the dynamic adjustment capacity of the motion control module and the focusing module, and the cutting precision is improved. The cutting precision is further improved, the system can quickly respond and adjust cutting parameters through real-time analysis and optimization suggestions of the data processing module, unnecessary downtime and waiting time are reduced, potential problems can be found and corrected in time through the real-time monitoring function of the sensor module, and the stability and reliability of the system are enhanced.

The invention relates to the technical field of TPE particle processing, and discloses automatic material taking and transferring equipment for TPE particle processing, which comprises a mechanical claw, the outer wall of the mechanical claw is rotatably connected with a rotating frame, the bottom of the rotating frame is fixedly connected with a fixed plate, the bottom of the fixed plate is provided with a shaking mechanism, and the bottom of the shaking mechanism is rotatably connected with a top plate. A stable grabbing assembly used for stably grabbing bagged TPE particles is arranged in the top plate, and a discharging assembly used for conducting side face cutting and discharging on the bagged TPE particles is arranged in the top plate. The multiple grabbing insertion rods are inserted into the bagged TPE particles through the sharp ends after rotating by 90 degrees, the weight of the bagged TPE particles can be more evenly shared, shaking and falling of the particles in the material taking process are reduced, and therefore the material taking stability is improved, the pressure on packaging bags is dispersed through the two-side insertion mode, and the packaging efficiency is improved. The risk that the packaging bag is broken or torn is reduced, and material leakage and waste can be reduced.

The invention discloses a three-dimensional cutting planning system and method, and the system comprises a moving unit which provides an assembly basis for the three-dimensional cutting planning system and can freely move to any operation region; the multi-degree-of-freedom mechanical arm unit is fixedly mounted on the moving unit and connected with the industrial personal computer; the stereoscopic vision unit is fixedly mounted at the tail end of the multi-degree-of-freedom mechanical arm unit and is driven by the multi-degree-of-freedom mechanical arm unit to scan the morphology of the to-be-cut workpiece from different positions so as to obtain morphology information of the to-be-cut workpiece; and the industrial personal computer is fixedly mounted on the moving unit and is used for controlling the stereoscopic vision unit to collect the shape information of the workpiece to be cut, controlling the multi-degree-of-freedom mechanical arm unit to move according to a planned path and transmitting a cutting program to three-dimensional cutting equipment. According to the method, autonomous planning can be conducted on any machining track in the three-dimensional space of the workpiece, manual teaching is not needed, the production efficiency is improved, the cost is saved, and rapid response and flexible adaptation can be achieved according to the small-batch, diversified and customized product requirements.

The present invention discloses a cutting device and a cutting method suitable for a variety of wind turbine blades, belonging to the technical field of wind turbine blade cutting and recycling, comprising a support platform; a gantry truss is fixedly installed on the upper end of the support platform; a segmented cutting mechanism is arranged on the support platform; the segmented cutting mechanism comprises a multi-point support longitudinal movement component, a rope cutting component and a pre-cutting component; a C-frame is fixedly installed on the moving end of the multi-point support longitudinal movement component, and a rope cutting component is arranged on the C-frame; a pre-cutting component is also arranged at the front end of the C-frame; cutting points that match the rope cutting component are cut on the wind turbine blades by the pre-cutting component, so that when the rope cutting component performs a cutting operation on the wind turbine blades, the rope saw of the rope cutting component is firstly inserted into the cutting points formed on the wind turbine blades, and then the wind turbine blades are cut in segments, so as to avoid deviation when the rope saw contacts the wind turbine blades, effectively increase the accuracy of the segmented cutting of the wind turbine blades, and reduce the possibility of damage to the rope saw.

The invention provides cutting equipment for numerical control tool machining, and belongs to the technical field of cutting equipment. Comprising a mounting base, a chute is formed in the bottom end of the mounting base, a rubber column is mounted at the top end of the chute, a notch is formed in the top end of the mounting base, a first sliding rail is mounted at the top end of the mounting base, the outer surface of the first sliding rail is sleeved with a first sliding base, and a second sliding rail is mounted at the bottom end of the first sliding base; the bottom end of the second sliding rail is sleeved with a second sliding base, an electric push rod is mounted at the bottom end of the second sliding base, and a mounting plate is mounted at the bottom end of the electric push rod. By arranging the overturning assembly, the bottom end of a cutting waste part of a square steel cutting part is supported in an auxiliary mode, the situation that the cutting waste part subjected to first-time cutting shifts under the action of gravity is avoided, and therefore the cutting precision during second-time cutting is improved, the cutting precision during cutting of the square steel cutting part is further guaranteed, and the cutting efficiency of the square steel cutting part is improved. And meanwhile, accumulation of metal chippings generated by cutting is avoided.

The invention relates to a photovoltaic module recycling system and method, and relates to the technical field of photovoltaic module recycling, and the method comprises the steps: S1, disassembly: firstly, disassembling a photovoltaic module, and separating out an aluminum frame, a junction box and a glass-silicon wafer composite board; s2, cutting: cutting the two surfaces of the glass-silicon wafer composite board at the same time; s3, separation: dissolving the eva layer in the middle of the glass-silicon wafer composite board obtained in the S2 through a chemical solvent, and separating the glass and the silicon wafer at the same time to obtain a glass sheet and a silicon wafer which are consistent in size; and S4, carrying out light transmittance detection on the silicon wafers, classifying the silicon wafers with better light transmittance into one class for recovery, classifying the silicon wafers with poor light transmittance into one class for recovery, classifying the silicon wafers with better light transmittance into glass and physically worn silicon wafers, and classifying the silicon wafers with poor light transmittance into silicon wafers capable of being directly recovered as circuit substrates. According to the invention, the recycling efficiency of the photovoltaic module is improved, the cost of intermediate recycling treatment is saved, and the silicon wafer can be conveniently and directly recycled.

The invention relates to the technical field of adjusting valve machining, and particularly discloses an adjusting valve part cutting machining device and a machining method thereof.The adjusting valve part cutting machining device comprises a feeding platform capable of loading and controlling a valve rod to move and a fixing frame, and is characterized in that a fixing ring is fixedly installed in the fixing frame, and a plurality of sliding grooves are formed in the side wall of the fixing ring; a sliding block capable of sliding is arranged in each sliding groove, and the sliding blocks slide centripetally or centrifugally. The adjustable cutters are arranged to cut the outer wall of the valve rod, so that stress between the outer wall of the valve rod and the cutters can be shared by the cutters, abrasion of cutter heads of the cutters is reduced, the service life of the cutters is prolonged, heat generated by friction between a single cutter and the outer wall of the valve rod can be reduced, and the service life of the cutters is prolonged. Thermal deformation of the tool bit caused by overheating of the tool bit due to long-time high-temperature influence can be avoided, the machining speed of the machine tool on the valve rod can be increased, and the cutting precision of the machine tool on the valve rod can be improved.

The utility model discloses an accurate positioning trimming device for broken bridge door and window processing, and relates to the technical field of door and window processing, the accurate positioning trimming device for broken bridge door and window processing comprises a trimming platform, four corners of the lower surface of the trimming platform are all fixedly provided with support legs, the upper surface of the trimming platform is provided with a first rectangular groove, and the upper surface of the trimming platform is provided with a second rectangular groove; rectangular sliding grooves are formed in the front side and the rear side of the interior of the first rectangular groove correspondingly, sliding plates are slidably installed in the two rectangular sliding grooves, clamping devices are arranged on the sliding plates, and under driving of a driving motor, a threaded rod rotates to drive a moving plate to move. The movable plate moves to drive the two T-shaped sliding blocks to slide in the corresponding T-shaped sliding grooves through the supporting plate and the connecting plate, the T-shaped sliding grooves, the T-shaped sliding blocks and the connecting plate are arranged, the limiting effect on movement of the supporting plate is achieved, the cutting blade is more stable during cutting through the arrangement of the double sliding rails, and the cutting precision and practicability of the device are improved.

The invention discloses a cutting device, and particularly relates to a material belt cutting device and material belt cutting and placing equipment suitable for an automatic production line, and the material belt cutting device comprises a cutter and a positioning pin assembly; the driving device is used for driving the cutting knife and the positioning pin assembly to position and cut the material belt in the process of moving towards the direction of the material belt; the guide groove plate assembly is used for guiding the conveying direction of the material belt; and the positioning device is used for positioning the belt section cut by the cutter and the positioning pin assembly after the belt section moves forwards by the notch distance under the guide of the guide groove plate assembly. The material belt cutting device solves the technical problem that the material belt cutting device can accurately position cut belt sections. According to the invention, the cut belt sections are synchronously and accurately positioned in the material belt cutting process; meanwhile, the material belt cutting and tray placing equipment suitable for the automatic production line can automatically cut the material belt and complete tray placing, the material belt cutting and tray placing precision and efficiency are improved, and the material belt cutting and tray placing equipment suitable for the automatic production line is suitable for the automatic production line.

The invention relates to the technical field of optical fiber processing, and discloses a multi-core-diameter optical fiber ultrasonic cutting system under uniform stress, which comprises a clamping symmetrical assembly, a horizontal tension driving assembly, an ultrasonic cutting assembly and a cutting knife pushing assembly, an optical fiber is clamped through the cooperation of the pressing plate and the clamping assembly base; the clamping assemblies are slidably connected with the horizontal tension driving assembly, the two clamping assemblies are driven by the horizontal tension driving assembly to move reversely, and horizontal tension is applied to the optical fiber, the ultrasonic cutting assembly is slidably connected with the cutting knife pushing assembly, and the cutting knife pushing assembly is arranged on one side of the clamping symmetrical assembly and located between the two clamping assemblies. The cutting knife pushing assembly drives the ultrasonic cutting assembly to move to cut the optical fiber; the optical fiber cutting device can effectively meet the cutting requirements of optical fibers with different core diameters, the flatness of the cut end face is remarkably improved, and burrs and cracks are reduced.

The invention discloses a cutting device for amniotic membrane pretreatment, which comprises a supporting assembly, a transmission assembly, a feeding assembly, a cutting assembly and a cutting box, the supporting assembly comprises a supporting leg and a supporting sleeve, the two supporting sleeves are respectively arranged at the tops of the supporting legs in a mirror image manner; the feeding assembly is rotationally arranged on the opposite faces of the two supporting sleeves. The two transmission assemblies are arranged in the two supporting sleeves in a mirroring mode correspondingly, and the transmission assemblies are connected with the moving end of the cutting assembly and the transmission end of the feeding assembly correspondingly. According to the amniotic membrane cutting device, irregular amniotic membranes can be cut, subsequent use and storage of the amniotic membranes are facilitated, the efficiency is high, and the cutting precision is high.