277results about How to "For precise cutting" patented technology

The utility model discloses a multifunctional cutting device for EPE special-shape processing, which comprises a workbench, a fixing frame is slidably mounted at the top of the workbench, first grooves are formed in two sides of the workbench, driving mechanisms for driving the fixing frame are mounted in the two first grooves, a second groove is formed in the top of the fixing frame, and the second groove is connected with the fixing frame. A longitudinal moving mechanism is installed in the second groove, the fixing frame is driven by the two driving mechanisms to move in the horizontal direction of the workbench, the longitudinal moving mechanism on the fixing frame can drive the lifting mechanism and the vibration cutting knife body to move longitudinally, and a third motor in the lifting mechanism drives a third screw to rotate; and a lifting block on the outer wall of a third screw rod linearly ascends and descends up and down under the cooperation of a guide rail and a guide groove, so that a vibration cutting knife body mounted on the lifting block can quickly and accurately descend to cut an EPE special-shaped material on a workbench, the EPE special-shaped material can be quickly cut from different angles, and the cutting range is widened.

The invention relates to the technical field of steel coil processing, in particular to cross cut and leveling flying shear equipment which is characterized by comprising an unwinding device, a pinch shearing machine, a front film laminating machine, a leveling machine, a rear film laminating machine, a pinch cut-to-length machine, a flying shear, a conveying device and a stacking device which are sequentially arranged side by side. By means of the steel coil conveying device, steel coils can be conveyed very accurately and stably, the probability of scratching or scratching in the steel coil machining process can be greatly reduced, the steel coils can be sheared very accurately and stably, and the steel coil machining quality can be greatly improved.

The utility model discloses an extensible rack of a laser cutting machine, which comprises a working table, an extension component is arranged on the outer side of the working table, a cutting moving component is arranged at the top of the working table, and a laser cutting main body is arranged at the top of the cutting moving component. First fixing columns are fixedly installed on the edges, close to the front side and the rear side, of the left side and the right side of the expansion table, clamping plates are connected between the adjacent first fixing columns and second fixing columns in a clamped mode, and handles are fixedly installed on the outer sides of the clamping plates. According to the extensible rack of the laser cutting machine, after fixing, the main body rack is aligned with the extension rack, the main body sliding groove is aligned with the extension sliding groove, and the gear can directly move to the extension rack when moving along the main body rack, so that it is guaranteed that the laser cutting main body can move to the position above the extension table after extension; therefore, expansion of the rack of the laser cutting machine is achieved, and the problem that large objects cannot be cut is solved.

The invention provides grain sorghum combine harvesting equipment, and relates to the technical field of grain harvesting, the grain sorghum combine harvesting equipment comprises a vehicle body and a harvesting bucket, the top end of the harvesting bucket is fixedly connected with a connecting frame, one side of an inner cavity of the connecting frame is rotatably connected with a rotating rod, and the outer surface of the rotating rod is fixedly connected with a reel for pulling an object to be cut; a driving assembly is arranged at the end, close to the vehicle body, of the harvesting hopper, a cutting knife assembly used for grain harvesting is fixedly installed on one side of an inner cavity of the harvesting hopper, through grooves are formed in the two sides of the end, close to the vehicle frame, of the harvesting hopper, and the cutting knife assembly comprises a cutting table fixedly connected to one side of the inner cavity of the harvesting hopper; top blocks are fixedly connected to the two sides of the top end of the guide plate, a scraping plate used for removing blockages is arranged at the top end of the guide plate, crops blocked in the blades are cleaned through the scraping plate, the cutting effect of the cutter assembly is guaranteed, meanwhile, manual cleaning is not needed, and the working efficiency of the equipment is effectively improved.

The invention relates to the technical field of leather processing, in particular to a leather forming processing device for automotive trim. The device comprises a pretreatment device and a mold device, the rear side of the mold device is connected and provided with a trimming device, the front side of the mold device is connected and provided with a heating device, and the mold device is internally provided and connected with a cooling device. The pretreatment device is used for improving the quality and the processing efficiency of leather, improving the consistency of products and effectively shortening the production cycle, the mold device is used for forming the leather, ensuring the size accuracy and effectively improving the consistency of the products, and the heating device is used for softening the leather, facilitating subsequent processing, improving the process effect and effectively improving the quality of the products. The cooling device is used for rapidly cooling leather, stabilizing the size and effectively improving the product precision, the trimming device is used for finely adjusting the leather and improving the finished product quality, and the safety monitoring device is used for guaranteeing the safety of the machining process and effectively improving the operation safety.

The invention relates to the technical field of PVC electric power pipe processing, in particular to a PVC electric power pipe processing cutting machine capable of collecting excess materials, which comprises an excess material collecting main body, an adjusting and aligning main body, a trimming control main body and a supporting and fixing base, and the trimming control main body is arranged on the supporting and fixing base. The excess material collecting bodies are arranged at the two ends of the supporting and fixing base and distributed on the outer side of the supporting and fixing base. According to the device, remaining materials falling off during cutting can be conveniently and continuously collected and treated, the remaining materials cut off in the trimming process can fall into a guiding and conveying collecting frame, and a fourth motor is started to drive a rotating adjusting plate and the guiding and conveying collecting frame to swing forwards and backwards; the excess materials falling into the guiding and collecting frame can be circularly and alternately guided and received towards the two sides, and the cut excess materials can be alternately conveyed to the two sides of the equipment and continuously and stably collected in the storage equipment to be collected and used.

The invention discloses ceramic wafer laser cutting equipment and a using method thereof, and belongs to the technical field of laser cutting, the ceramic wafer laser cutting equipment comprises a numerical control feeding workbench, a feeding belt used for conveying ceramic wafers is embedded in the inner side of the numerical control feeding workbench, and a numerical control laser cutter corresponding to the feeding belt is connected to the numerical control feeding workbench; a protection assembly is connected to the position, corresponding to the lower portion of the built-in laser head, of the numerical control laser cutter, and a drainage assembly is arranged in the protection assembly and used for discharging dust and gas generated when the numerical control laser cutter cuts the ceramic wafer. The flowing direction of the gas is opposite to the conveying direction of the feeding belt, so that a good drying effect can be achieved on an absorbent of the to-be-cut ceramic wafer on the feeding belt, the situation that the uniformity is reduced due to the fact that the initial drying temperature of the absorbent is too high is avoided, and negative effects on the cutting quality are avoided; and after the cut ceramic wafer is dried, cutting machining is immediately completed by the numerical control laser cutter.

The embodiment of the invention provides a plasma arc cutting machine, and relates to the technical field of cutting machines. The plasma arc cutting machine comprises a workbench, a cutting device, a plasma arc cutting power source and a double-channel switching assembly. The workbench is used for supporting and positioning a to-be-cut workpiece. The cutting equipment is used for cutting a workpiece, and the cutting equipment is driven by the linear driving assembly; the plasma arc cutting power supply is used for providing stable and adjustable high current and voltage; meanwhile, a double-channel switching assembly is arranged above the inner cavity of the plasma arc cutting power source and used for switching between manual cutting and numerical control cutting back and forth. According to the scheme, the double-channel switching assembly is adopted to achieve independent control over a gas circuit and a circuit, so that an operator can directly use a manual cutting gun to process leftover materials after numerical control cutting is completed, and equipment does not need to be replaced. The operation process is simplified, the working efficiency is improved, the equipment purchase cost and the working space requirement are reduced, effective utilization of resources is achieved, and the reliability and safety of the whole system are improved.

The utility model provides a paper tube body paper splitting machine, and belongs to the technical field of paper tube production. A paper tube body paper splitting machine is characterized by comprising a machine frame, a feeding frame is arranged on one side of the machine frame, a discharging frame is arranged on the other side of the machine frame, a plurality of through holes are formed in the feeding frame, supporting rollers are arranged on the through holes in a penetrating mode, one ends of the supporting rollers are fixedly connected with limiting discs, and the other ends of the supporting rollers are fixedly connected with the limiting discs. The other end of each supporting roller is detachably connected with a first limiting sleeve, the discharging frame is rotationally connected with a plurality of winding rollers corresponding to the supporting rollers, the ends, away from the discharging frame, of the winding rollers are detachably connected with second limiting sleeves, and the discharging frame is provided with a first driving motor for driving the winding rollers to rotate. Two sets of guide rollers which are symmetrical up and down are arranged on the machine frame, and a cutting assembly is arranged between the two sets of guide rollers. The slitting device has the advantage that the first limiting sleeve and the second limiting sleeve are arranged on the supporting roller and the winding roller, so that a raw paper roll is prevented from easily deviating during slitting.

The invention relates to the technical field of medical instruments, in particular to a pair of capsular scissors for cataract surgery, which comprises a first rod body, a second rod body, a first blade, a second blade, a connecting assembly, a first elastic sheet, a second elastic sheet, a rotating assembly and a telescopic assembly. Through cooperation of the connecting assembly and the rotating assembly, the force application angle during operation is changed, a cornea incision needing to be formed is reduced, subsequent patient recovery is facilitated, the situation that the cornea incision is enlarged due to vertical opening and closing of conventional capsulorhexis scissors is prevented, and the problem that capsulorhexis forceps are difficult to control the size and position of the capsulorhexis incision can be solved; compared with the prior art, the capsular membrane can be cut more accurately, the size is controllable, the cutting edge is smooth, follow-up patient recovery and surgical operation are facilitated, the operability when the cutting angle is reduced is ensured through the telescopic assembly and the elastic piece, the surgical accuracy is improved, and damage to intraocular tissue in the surgical process is prevented; and the safety and the effect of the operation are improved.

The utility model relates to the technical field, and discloses a novel laser cutting machine which comprises a cutting mechanism, a linear motor displacement mechanism and a numerical control mechanism, the linear motor displacement mechanism is arranged at the rear end of the cutting mechanism, the numerical control mechanism is located on the right side of the linear motor displacement mechanism, and the cutting mechanism comprises a cutting head bottom plate. A cutting head frame is in threaded connection with the surface of the cutting head bottom plate, a cutting machine is fixedly connected with the surface of the cutting head frame, a light path leading-in hole is formed in the upper surface of the cutting machine, and a first lens drawer is arranged at the upper middle end of the cutting machine. By arranging the cutting mechanism, accurate cutting can be achieved, it is ensured that the size and shape of a workpiece meet the requirements, the cutting speed is increased, the production efficiency is improved, the cutting machine is suitable for cutting workpieces of different materials and shapes, the stability and consistency of the cutting quality are guaranteed, cutting parameters can be conveniently adjusted according to actual requirements, and the production efficiency is improved. Automatic cutting can be achieved, and manual operation is reduced.

The present invention relates to the technical field of pork detection, and proposes a real-time detection device for pork storage and transportation, comprising an adsorption member, the adsorption member having an adsorption end, the adsorption end being used to absorb a part of the pork; a cutting member having a connecting portion and a cutting portion, the connecting portion having a rotating end and a mounting end, the rotating end being rotatably arranged on the adsorption member, the cutting portion being located at the mounting end, and the distance from the rotating end to the mounting end being greater than the distance from the rotating end to the adsorption end. Through the above technical solution, the problems of detection efficiency, labor cost, cross infection, etc. existing in the manual cutting sampling detection in the prior art are solved.

The utility model discloses an adhesive tape accurate cutting and rolling integrated device, relates to the technical field of adhesive tape production, and comprises a rolling assembly, the rolling assembly comprises a shell, a cutting assembly is arranged on one side in the shell, the bottom end of an upper clamping block is fixedly connected with a cutting knife, the bottom ends of six groups of springs are fixedly connected with a pressing plate, and the pressing plate is fixedly connected with the cutting knife. A lower clamping block rotationally connected to the first two-way threaded lead screw is arranged under the pressing plate. The first servo motor is started, so that the first bidirectional threaded lead screw and the second bidirectional threaded lead screw drive the upper clamping block and the lower clamping block to move relatively, when the pressing plate and the lower clamping block are attached to an adhesive tape, the adhesive tape can be pressed, the first bidirectional threaded lead screw and the second bidirectional threaded lead screw continuously rotate, and the adhesive tape is pressed. And the pressing plate is stressed to extrude the spring, so that the cutting knife descends to cut the adhesive tape, the adhesive tape is accurately cut off, the cut adhesive tape is more consistent, better positioning is facilitated, and the winding efficiency is further improved.

The invention discloses novel full-automatic photovoltaic welding strip winding film equipment. A transfer mechanism clamps and lifts a reel wound with a photovoltaic welding strip, separates the reel from a previous station and transfers the reel to a lifting mechanism located on a rack body; the lifting mechanism moves the reel borne above in the vertical direction; the film winding mechanism is located on the side edge where the lifting mechanism is located, and the film winding procedure of a reel located above the lifting mechanism is formed through the film winding mechanism. The protective film storage adjusting mechanism is arranged below the protective film fusing mechanism, the protective film is wound on the periphery of a reel of the lifting mechanism through rotation of the film winding mechanism, and the protective film fusing mechanism fuses and separates the protective film wound on the periphery of the reel. Through the efficient, stable and flexible design of the full-automatic photovoltaic welding strip film winding equipment, the high requirements of the modern photovoltaic industry for production efficiency and product quality are met, and a more competitive production solution is provided for enterprises.

The utility model relates to an aluminum profile right-angle cutting tool which comprises a base and a cutting rod, a support is fixedly arranged on the base, the upper portion of the support is hinged to a fixing frame plate, one end of the cutting rod is fixedly connected to the extending end of the fixing frame plate, a cutting handle is arranged at the other end of the cutting rod, and a reinforcing rib plate is connected to the inner side of the cutting rod in a clamped mode to enhance the bending resistance of the cutting rod. A right-angle cutter is installed on the cutting rod, a fixing plate is fixedly arranged on the base, the lower end of the right-angle cutter and the fixing plate are matched to define a square shape, when the right-angle cutter falls down, the corner of the aluminum profile is cut off, when the tool is used for cutting the right angle, positioning is not needed, cutting is accurately and rapidly completed, and the production efficiency is improved. The aluminum profile is placed on the base and abuts against the edge of the fixing plate, the pressing tool is arranged on the base and abuts against the top face of the aluminum profile, corner cutting failure caused by tilting or displacement of the aluminum profile is prevented, the aluminum profile does not need to be held by hands, and potential safety hazards are reduced.

The utility model relates to the field of optical fiber cutting, in particular to a staggered electric cutter device and a fusion splicer thereof, the electric cutter device comprises a machine body, an optical fiber clamping part, a cutting part and a cover plate, the machine body is used for carrying the optical fiber clamping part, the cutting part and the cover plate, a transmission shaft is arranged on the machine body, one end of the transmission shaft is connected with the cutting part, and a rotating shaft is arranged on the machine body. The rotating shaft is hinged to the cover plate, the rotating shaft is perpendicular to the transmission shaft, the optical fiber clamping part is arranged on the machine body, the optical fiber clamping part is used for clamping an optical fiber, the cover plate is arranged on the opposite side of the optical fiber clamping part and can rotate relative to the machine body, the movement track of the cover plate forms an arc-shaped surface, the cutting part comprises an electric cutter, and the electric cutter is arranged on the machine body. The electric cutter is configured to do linear motion on the machine body, the motion trail of the electric cutter is a straight line, and the straight line formed by the motion trail of the electric cutter is perpendicular to the arc-shaped face formed by the motion trail of the cover plate.

The utility model discloses a kind of laser cutting platforms for automobile parts, it is related to cutting auxiliary equipment technical field, including workbench, the rotary table of placing part is equipped on the workbench, the drive assembly of driving rotary table rotation is equipped on the workbench, the laser cutting head of carrying out laser cutting to part is equipped on the workbench, the clamping assembly of clamping part is equipped on the rotary table, the moving assembly of driving laser cutting head movement is equipped on the workbench. Part is stably clamped on workbench by the clamping assembly on rotary table, the position of laser cutting head is adjusted by moving assembly, the angle of rotary table is adjusted by drive assembly, and then the accurate cutting work of part clamped on rotary table is realized, and part cutting quality is better, and practicality is higher.

The invention relates to the field of gas pipe machining equipment, and discloses gas pipe fitting machining equipment which comprises a workbench, two second fixing plates are arranged above the upper end surface of the workbench, the side end surface of one side of each second fixing plate is fixedly connected with a stepping motor, and the outer wall of one side of a first sliding plate is connected with an outer gear ring in a meshed mode. The inner wall of the outer gear ring is fixedly connected with a connecting ring, three sliding grooves are formed in the surface of the end, away from the second fixing plate, of the connecting ring, each second sliding rail is slidably connected with a sliding saddle, and the surface of the end, away from the second sliding rail, of each sliding saddle is fixedly connected to the surface of the lower end of the moving plate. The side end surface of one side of the moving plate is fixedly connected with a clamping plate. And through the arrangement of an outer gear ring, a sliding rod and a moving plate, the three clamping plates can fix the gas pipes with different diameters in a self-adaptive mode, so that the cutting assembly can cut the gas pipes with different diameters, and the practicability of the cutting equipment is improved.

The utility model discloses a wormwood cutting device, which belongs to the technical field of wormwood processing and comprises a mounting plate, two support plates are assembled on the upper end face of the mounting plate, a bearing plate is assembled at the upper ends of the two support plates together, and an adjusting component is assembled on the upper end face of the bearing plate. The wormwood cutting device has the advantages that cutting is uniform, machining efficiency is improved, manpower is saved, and loss is reduced, the threaded rod is rotated to drive the pressing plate to move downwards and clamp one end of wormwood, the guide rod air cylinder is controlled to enable the cutting blade to cut the clamped wormwood, the clamped wormwood is pushed at a constant speed, and the wormwood is cut through the cutting blade. The wormwood cutting device ensures that wormwood is uniformly cut by the cutting blade, is beneficial to subsequent processing and use, avoids the problem of different sizes and lengths during manual cutting, reduces waste and loss caused by different sizes, is faster and more accurate in cutting compared with manual cutting, can more quickly complete a large number of cutting tasks, and improves the working efficiency. Therefore, the production efficiency is improved.

The utility model relates to the related technical field of steel door manufacturing, in particular to a steel door manufacturing device which comprises a cutting machine body, and a cutting mechanism is arranged on one side of the surface of the cutting machine body. According to the steel door manufacturing device, by arranging the cutting mechanism, when a steel plate is cut, a first motor is started firstly, the first motor drives a first threaded shaft to rotate, a first sliding block slides in a first sliding groove under the acting force of the first threaded shaft, then a second motor is started, and the second motor drives a second threaded shaft to rotate; a second sliding block slides in a second sliding groove under the acting force of a second threaded shaft, an air cylinder and a laser cutter move along with the second sliding block under the acting force of the second sliding block, at the moment, cutting of different point positions can be conducted on the steel plate through movement of the first sliding block and the second sliding block, and then the laser cutter is started to be matched with the air cylinder; the air cylinder drives the laser cutter to move to adapt to cutting of steel plates with different thicknesses.

The utility model relates to the technical field of collecting fluid slitting rewinding, disclose a kind of collecting fluid slitting rewinding mechanism, including rack, guide assembly, cutter assembly, upper winding assembly and lower winding assembly, wherein the first guide roller of guide assembly is equipped with several annular grooves on the roller surface along its axial direction interval;Upper winding assembly includes several coaxially arranged and along axial direction interval distribution upper winding roller, lower winding assembly includes several coaxially arranged and along axial direction interval distribution lower winding roller, and upper winding roller and lower winding roller are staggered distribution along axial direction.The utility model in guide assembly is through reasonable layout and special groove structure design, effectively improve the stability of collecting fluid conveying process, reduce wrinkle and so on Problem, provide good foundation for subsequent slitting;Cutter assembly cooperates with guide assembly, realizes the accurate slitting of collecting fluid;The staggered distribution design of upper winding assembly and lower winding assembly makes full use of space and reduces interference, so that the orderly winding of collecting fluid after slitting.

The present invention discloses a cutting device, including a support base, a tool mounting seat, a tool and a locking rod, wherein the support base is provided with a cutting through hole, the tool mounting seat is provided with a cavity for accommodating the tool, and one end of the tool mounting seat is connected with the cutting through hole; the support base is provided with a locking groove, and the locking groove is connected with the cavity of the tool mounting seat; the locking rod is arranged in the locking groove and can slide along the locking groove, thereby locking the tool in the tool mounting seat or releasing the tool in the tool mounting seat. This embodiment can solve the problems of uneven incision, difficult cutting, and easy scratching of items in the box or operators.

The utility model discloses a cut-off tool for an inner ring in a pipe. The cut-off tool comprises a cut-off tool wall, a piston, a piston rod, a cut-off tool blade and a cut-off tool hole, the piston rod is mounted at the top end of the piston; the cut-off tool blade is installed on the piston rod, the cut-off tool hole is formed in the side face of the cut-off tool wall, and a tool bit of the cut-off tool blade can penetrate through the cut-off tool hole to stretch out and draw back. According to the cut-off tool for the inner ring of the pipe, the piston structure drives the blade of the cut-off tool to stretch out or draw back, and therefore the cut-off tool structure can stretch into the inner wall of the pipe needing to be cut conveniently and cut the inner wall of the pipe, the cutting efficiency and the use efficiency of the cut-off tool for the inner ring of the pipe are improved, it can be guaranteed that accurate cutting is conducted in the pipe, and meanwhile damage to the outside of the pipe is reduced. The brush can also be used for cleaning the pipe in the wall, and the miniature brush can also be used for stirring the fruits into juice.

The utility model discloses an automobile air conditioner filter paper slitting device which comprises a material pushing tool, an equal-division material pushing tool and a cutting tool, the material pushing tool and the equal-division material pushing tool are installed on a vertical frame, a bottom frame is arranged on one side of the vertical frame, a clamp tool is arranged on the bottom frame, and the cutting tool is arranged on the bottom frame. The clamp tool comprises a feeding port clamp, a transfer clamp, a cutter position clamp and a discharging port clamp, filter paper to be cut is arranged on the feeding port clamp, the transfer clamp and the cutter position clamp, the cutting tool is arranged between the cutter position clamp and the discharging port clamp, accurate and high-speed cutting is achieved, and production efficiency is greatly improved.

The utility model relates to a reinforcing steel bar cutting machine, and relates to the technical field of reinforcing steel bar cutting equipment, the reinforcing steel bar cutting machine comprises a processing plate, the processing plate is provided with a cutting assembly used for cutting reinforcing steel bars, the processing plate is provided with a plurality of supporting frames used for placing the reinforcing steel bars, and the multiple supporting frames are fixedly connected with the same sliding cylinder; the axis direction of the sliding barrel is the same as the arrangement direction of the supporting frames, the side, away from the cutting assembly, of the sliding barrel is slidably connected with a sliding rod, the end, away from the sliding barrel, of the sliding rod is fixedly connected with a calibration plate, and the sliding barrel is provided with a limiting piece used for fixing the sliding rod to the sliding barrel. Scales arranged in the direction parallel to the axis of the sliding rod are carved on the sliding rod. The reinforcing steel bar cutting device has the effect of improving the reinforcing steel bar cutting efficiency.

The utility model relates to a disassembling tool which is used for disassembling a storage medium on a processing box, the disassembling tool comprises a main body, a positioning part, a disassembling part and a driving part, the positioning part is arranged on the main body and is used for being matched with a protective cover of the processing box to position the position of the storage medium; the dismounting part is arranged on the main body and used for cutting a mounting frame on the protecting cover, and the storage medium is arranged on the mounting frame; the driving part is arranged on the body and can drive the dismounting part to move. According to the storage medium dismounting device, an operator positions the position of the storage medium through the positioning part, so that the dismounting part can accurately cut the mounting frame, and therefore, the storage medium is completely dismounted from the processing box without being damaged. As the dismounting part cuts the mounting frame, the dismounting tool can be suitable for processing boxes of different structures, and the universality of the dismounting tool is good.

The application relates to the technical field of rubber and plastic product processing, and discloses an elevator load guide pulley production device, which comprises a workbench and multiple telescopic arms. A first supporting arm is fixedly connected to one side of the upper end of the workbench. A motor is fixedly connected to one side of the first supporting arm. A rotating disc is fixedly connected to the output end of the motor and penetrates through the first supporting arm. Multiple second supporting arms are fixedly connected to the outside of the rotating disc. The elevator load guide pulley production device can automatically adjust the positions of the telescopic arms according to load guide pulleys with different diameters through the cooperation of the positioning columns and springs on the telescopic arms and the grooves on the second supporting arms. The load guide pulleys to be processed can be fixed through the expansion of the moving plates. The motor drives the rotating disc to rotate, so that the multiple second supporting arms and the telescopic arms can be driven to rotate simultaneously, and the load guide pulleys to be processed can be processed in sequence. Therefore, the production line is more coherent, and the production efficiency is improved.

The assembly line slitting equipment for insulation board production comprises a platform, a conveying assembly used for conveying materials is installed on the inner side of the platform, and a cutting mechanism used for slitting the materials is installed on the top of the platform. The utility model relates to the technical field of assembly line slitting equipment, and compared with the prior art, a plurality of cutters can be automatically adjusted through the cutting mechanism so as to easily adapt to insulation boards of different sizes and specifications, accurate cutting can be ensured by adjusting the distance between the cutters no matter the length, width or thickness changes, and the production efficiency is improved. In addition, the time for tool changing and debugging can be shortened, and the overall efficiency of a production line is improved. In addition, when insulation boards of different sizes need to be produced, equipment replacement or complex adjustment does not need to be carried out, and therefore the production speed is further increased.

The present invention discloses an instrument for laparoscopic surgery of thoracic surgery, belonging to the technical field of medical instruments, comprising a main body tube; and also comprising a clamping assembly, wherein the clamping assembly comprises a first forceps and a second forceps, an annular plate is slidably installed in the main body tube, a rotating rod which is rotatably installed on the inner wall of the annular plate and is matched with the first forceps for rotation, and a push plate which is used to drive the first forceps and the second forceps to rotate around the rotating rod is provided on the inner wall of the annular plate. In this scheme, a spring telescopic rod is used, and when the doctor presses the second handle, the second handle drives the spring telescopic rod to rotate through the linkage rod and the mounting plate, and then the spring telescopic rod can be inserted into the fixing hole during the rotation process, and then the mounting plate is fixed under the cooperation of the fixing hole and the spring telescopic rod, that is, the connecting rope is fixed at this time, thereby effectively preventing the first forceps and the second forceps from opening and causing damage to the patient when entering and exiting the patient's body, thereby improving the safety of the patient.

The utility model discloses a screw cutting machine convenient to cut different screws, the screw cutting machine is provided with a cam and a shearing arm with a roller, the cam is provided with an involute surface, and when the involute surface is matched with the roller, the shearing arm is driven to swing, and a movable cutter and a fixed cutter are driven to be matched to shear the screws. The screw cutting machine is further provided with a screw supporting base for supporting the screw on one side of the fixed cutter, the screw supporting base comprises a base body and a rotating piece rotationally connected to the base body, and at least two screw supporting grooves are evenly distributed in the rotating piece around the rotating center. And the at least two screw supporting grooves have a height difference, so that one of the screw supporting grooves is selected to support the screw of the corresponding specification through rotation of the rotating piece. According to the utility model, the proper screw rod supporting grooves can be conveniently switched to support the screw rods with corresponding specifications.