91results about How to "Efficient cutting" patented technology

The invention discloses a cutting device for plastic processing, and relates to the technical field of plastic cutting. The invention includes. The device has the advantages that the high-efficiency cutting, compacting and sewage discharge weight reduction processes of plastic waste can be realized by adopting single-drive equipment, the overall manufacturing cost is lower, the cutting efficiency can be effectively improved by adopting a symmetrical opposite cutting mode, the size of plastic fragments is reduced, and the plastic waste is more convenient to transport.

This utility model discloses a feeding device with an anti-clogging mechanism for organic fertilizer production, including a crushing mechanism, a pneumatic anti-clogging component, and a feeding pipe. The upper end of the crushing mechanism is connected to the organic fertilizer production equipment, and the lower end of the crushing mechanism is connected to the feeding pipe. The feeding pipe consists of an upper pipe section, a middle tapering pipe, and a lower pipe section. A pneumatic anti-clogging component is installed on the outer wall of the middle tapering pipe, and a vibrator is fixedly connected to the outer wall of the feeding pipe below the pneumatic anti-clogging component. The purpose of this utility model is to provide a feeding device with a synergistic anti-clogging function, which significantly improves the smoothness and stability of feeding.

The utility model discloses an efficient die cutting device self-adaptive to corrugated boards, and relates to the technical field of corrugated paper processing, the efficient die cutting device comprises an assembly line frame and a vertical structure frame, the side edge of the assembly line frame is provided with the vertical structure frame, the side edge above the vertical structure frame is provided with a driving motor, the driving motor is meshed with a driving mechanism through a gear, and the driving mechanism is connected with the assembly line frame. A driving mechanism in the vertical structure frame is connected with a vertical moving block, a horizontal moving block is slidably installed in the vertical moving block through a motor, and a horizontal supporting table is arranged below the horizontal moving block. Corrugated paper is conveyed through the assembly line frame, the horizontal supporting table is moved through lifting of the vertical moving block and transverse movement of the horizontal moving block to bear the conveyed corrugated paper, and then the die cutting position of the pressing block is adjusted through the tool setting block. And then the whole supporting frame is pressed downwards through the driving air cylinder, the corrugated paper is subjected to die cutting through the cutting edge, and efficient cutting is achieved.

The utility model discloses a cutting device for a non-ferrous metal smelting rolled product, which belongs to the technical field of non-ferrous metal smelting processing, and comprises a rack, a conveying component for conveying the non-ferrous metal rolled product and a cutting component for cutting the non-ferrous metal rolled product, the conveying component is arranged on the rack, and the cutting component is arranged on the rack. A pressing assembly is arranged on the rack, and the cutting assembly is arranged on the rack; according to the cutting-off device for the non-ferrous metal smelting rolled product, through the effect of the conveying assembly, the non-ferrous metal rolled product is conveyed, through operation of a rotating motor and cooperative use of a second threaded rod and a sleeve block, a stable plate moves along with the stable plate, and through cooperative use of a groove and a cutter, the non-ferrous metal rolled product is cut off; and through cooperative use of the mounting plate and the cooling fan, the cut-off part is cooled, so that the non-ferrous metal rolled product is continuously and efficiently cut off, meanwhile, the continuous cutter is cooled, and the influence of high temperature on the product quality and performance is avoided.

The application provides a method and device for treating wastewater by combining a suspended filler floating bed and a soil infiltration system, and the method comprises the following steps: S1, breeding wastewater is treated by the suspended filler floating bed after passing through a hydrolysis tank, and effluent is treated in a sedimentation tank, and wastewater of the suspended filler floating bed is returned to the suspended filler floating bed for secondary treatment; S2, wastewater of the sedimentation tank is returned to the hydrolysis tank; and S3, effluent of the sedimentation tank is introduced into a soil underground infiltration system. The system provided by the application is beneficial to further strengthening the effects of denitrification, phosphorus removal and removal of suspended solids, and solves the problems of low dissolved oxygen content of influent and wastewater in the system, which is not conducive to the growth of nitrifying bacteria, and low effective volume utilization rate. In the use process, the filler does not need to be replaced, and mechanical aeration equipment does not need to be added, and the system has the advantages of low investment cost, no need to add chemical agents for treatment, obvious effect, not easy to breed mosquitoes, simple operation and management, and beautification of the environment, and has remarkable ecological and economic benefits for promoting deep purification of breeding wastewater.

The present application provides a kind of sheet molding compound continuous cutting and winding device and its cutting and winding method, belong to the field of fiber composite material manufacturing, it includes support, pay-off device, material blocking ring, blanking table, roller metering device, cutting pad, roller type push knife, material receiving device and material receiving cylinder core, force is transmitted by ball bearing, realize rotation when pay-off and material receiving, the parameters of sheet are set by roller metering device to realize accurate blanking, the sheet is cut by roller type push knife, fast, labor-saving, convenient.The device and method realize the problem of direct continuous cutting of reel sheet molding compound, and solve the efficient and convenient winding problem of long material and super-long material, realize the efficient cutting of long material and super-long material in the forming process of fiber composite material product.The device can be moved, it is convenient to use in situ installation with work site, simple installation, easy to disassemble, improve production efficiency, save time and labor cost, improve production efficiency.

The invention provides a high-strength complex-section cavity product cutting device which comprises a height adjusting mechanism, a radian adjusting mechanism, a follow-up mechanism and a cutting unit which are sequentially arranged from bottom to top. The cutting-off unit comprises a vertical cutting-off mechanism used for cutting off material belts on the two sides of the cavity product and a horizontal cutting-off mechanism used for cutting off a reinforcing rib structure in the middle of the cavity product. The invention further provides a cutting-off method which comprises the following steps: pre-punching and cutting off a process hole in advance in a material belt before rolling forming, and integrally cutting off a cavity product by adopting a regional secondary cutting-off mode after rolling forming. Follow-up continuous cutting of high-strength complex section type cavity products can be achieved on a rolling line, the cutting efficiency is high, the quality is good, the product rework rate is greatly reduced, and the service life of a cutter is remarkably prolonged; the device is flexible to use and high in universality, and can be adapted to cold-bending profiles with various different section types through replacement of the standard cutting head.

This utility model discloses a hybrid tooth PDC drill bit, relating to the field of PDC drill bits. It includes a connector for connecting the drill bit and a drive unit; the drill bit has multiple hybrid teeth positioned at different locations on the scraper profile; and the connection between the drill bit and the connector is a detachable structure for quick drill bit replacement. This utility model significantly optimizes the drill bit replacement process through the modular and detachable structure of the connector and the drill bit body. The threaded joint of the connector connects quickly to the drive unit, and the connecting groove and the connecting sleeve of the drill bit body are sealed by a sealing ring. Combined with the stepped limiting structure of the positioning block and positioning groove, and the reinforcing block and reinforcing groove, drill bit disassembly can be completed simply by loosening the bolts. This avoids the cumbersome steps of disassembling the entire equipment in traditional processes, significantly reducing drilling cycles and lowering the labor intensity of tripping operations.

The utility model relates to laser cutting technical field discloses a multi -position servo positioning automatic section bar processing laser cutting equipment, including front -and -rear movement platform, the bed and integrated frame, the front -and -rear movement platform sets up in integrated frame inside, the front -and -rear movement platform motion end connection is provided with portal frame, the portal frame top end connection is provided with electric guide rail, electric guide rail mobile end connection is provided with moving block, the moving block top end connection is provided with laser assembly, the utility model electric guide rail drives moving block, and then makes laser assembly and laser cutting head fast movement, and cooperate the movement of front -and -rear movement platform, can realize continuous, efficient cutting operation, has shortened the processing time, improved production efficiency, the setting of positioning inductor can monitor the relative position between laser cutting head and workpiece in real time, ensures the accuracy of cutting position, avoids the cutting error caused by the positioning deviation, improves the cutting quality.

The utility model relates to the technical field of mechanical engineering and automation, and discloses a paper product cutting and positioning device which comprises a fixing block, a hydraulic cylinder is fixedly connected in the fixing block, the output end of the hydraulic cylinder is fixedly connected with a first U-shaped block, a fixing rod is fixedly connected in the first U-shaped block, and a second U-shaped block is fixedly connected in the fixing rod. A rotating piece is fixedly connected to the outer wall of the fixing rod, a connecting rod is rotatably connected to the interior of the rotating piece, a pressing plate is fixedly connected to the outer wall of the connecting rod, a limiting rod is rotatably connected to the interior of the pressing plate, and a supporting assembly is arranged on the outer wall of the fixing block. According to the paper product cutting device, the hydraulic cylinder drives the first U-shaped block, the fixing rod and the rotating piece so as to drive the connecting rod and the pressing plate to position and fix a paper product, the pressing plate rotates on the outer wall of the limiting rod so as to limit the pressing plate, it is guaranteed that the position of the paper product is stable in the cutting process, and deviation or sliding is avoided; and the cutting precision and consistency are improved.

The utility model discloses a diamond grinding belt, including the body of a belt, the outside of body of a belt is covered with diamond micro powder layer, the diamond micro powder layer is formed by diamond micro powder and adhesive mixture and is attached to the body of a belt after. The utility model provides technical scheme through adopting diamond micro powder as abrasive, has high hardness, good wear resistance and other specific, compares ordinary grinding belt, can more efficiently cut material in the grinding process, thereby improves grinding efficiency and grinding accuracy.

This utility model discloses a horizontal high-speed CNC metal band saw, relating to the field of CNC machine tool technology. It includes: a storage rack, located at one end of the machine tool, for holding metal bars to be cut; and a saw bow, located in the middle of the machine tool, including a saw blade and a saw blade guide device. The saw blade passes around a pulley on the saw bow, and the saw blade guide device guides the saw blade to move along the correct path. This design, by incorporating a storage rack with a hinge mechanism, allows the storage rack to swing relative to the machine tool body, significantly improving the flexibility and efficiency of material loading and unloading. The saw bow is fixedly connected to the machine tool body via at least two support arms, located at both ends of the saw bow. This design improves stability during sawing, thereby enhancing cutting accuracy.

The invention relates to the technical field of medical biopsy instruments, in particular to an endoscopic biopsy device for respiration and critical diseases, which comprises a catheter, a cylindrical sealing piston head is slidably mounted in the catheter, an up-down through vent hole is formed in the sealing piston head, and one end, positioned in vitro, of the catheter is connected with negative pressure; a branch pipe with the tail end sealed is further arranged at the end extending out of the body, a stay wire hole is formed in the center of the sealing piston head, and a stay wire is slidably installed in the stay wire hole. One end of the pull wire extends out of the branch pipe and is provided with a pull ring; one end, far away from the pull ring, of the pull wire is provided with an umbrella-shaped cutting head and a limiting ring; the bottom of the cutting head is provided with a circle of annular cutting edge, the annular cutting edge is located above the sealing piston head, the limiting ring is located below the cutting head, and the distance between the annular cutting edge and the cutting head is larger than the height of the sealing piston head. According to the scheme of combining negative pressure adsorption and mechanical cutting, the tissue sample size larger than that of traditional biopsy forceps can be obtained, and the requirements of pathological examination are effectively met.

This utility model relates to the technical field of tea garden pruning machines, specifically, to a tea garden contour pruning machine with an arc-shaped blade assembly. It includes a crossbeam plate, on which two first hydraulic cylinders are fixedly mounted. Guide rails are mounted at the ends of the telescopic shafts of the two first hydraulic cylinders. Second hydraulic cylinders are fixedly mounted at the ends of the guide rails. An arc-shaped plate is mounted on the telescopic shaft of the second hydraulic cylinder. A lower panel is located at the center of the lower center of the arc-shaped plate. The lower panel is fixed to the arc-shaped plate by two fixed rods. Multiple side hinge plates are provided on both sides of the lower panel. The side hinge plates are hinged to the lower panel and to adjacent side hinge plates. The side hinge plates are angle-adjustable by a third hydraulic cylinder. Drive motors are fixedly mounted on both the lower panel and the side hinge plates. A short shaft is fixedly mounted at the end of the output shaft of the drive motor, and a set of pruning blades is mounted on the short shaft. This utility model effectively improves the adaptability of pruning and is convenient to use.

This utility model discloses a cutting device for leather production, relating to the technical field of leather production equipment. It includes a conveyor table, with a cutting seat welded and fixed at the middle of the upper surface of the conveyor table. A lifting plate is installed inside the cutting seat, and the lifting plate slides and limits the movement within the inner cavity of the cutting seat. A cutter is installed at the bottom of the lifting plate and is fixed to the lifting plate by bolts. A notch is provided at the top of the lifting plate. A support plate is welded and fixed to the rear side of the top of the cutting seat. A reduction motor is fixedly installed above the support plate, and an eccentric wheel is installed on the output shaft of the reduction motor. Leather guide seats are provided at both the front and rear ends of the conveyor table. The front leather guide seat moves the rolled leather towards the cutting position of the cutting seat, while the rear leather guide seat removes the cut leather belt from the conveyor table. This solves the problem of continuous cutting while ensuring cutting accuracy.

The utility model belongs to the field of packaging production, particularly relates to a distance detection device for a continuous packaging bag cutting machine, and aims to solve the problem that the existing device cannot accurately judge whether the packaging cutting operation is qualified or not due to the fact that whether a cutter touches medicines in a package or not in the cutting process or not cannot be accurately monitored in real time. Two fixing columns are symmetrically arranged on the two sides of the bottom of the tool rest in a penetrating and sliding mode, and the same connecting base is fixedly arranged outside the two fixing columns. A cutting-off assembly is arranged on the tool rest and used for breaking and cutting off continuous packaging bags, and a detection assembly is arranged on the connecting base and used for judging whether medicine in the packaging bags is cut off or not. Through the arrangement of the detection assembly, whether the cutter touches the medicine in the package or not when cutting off the packaging bag is accurately monitored in real time, whether the package cutting operation is qualified or not is rapidly judged, the quality consistency of product packaging is guaranteed, and the quality and safety of packaged products are guaranteed.

This disclosure relates to the technical field of rubber rolling mills. One embodiment of this disclosure provides a rubber rolling mill for wire and cable processing, comprising: a frame, a fixed base, an inner roller, and an outer roller. The fixed base is disposed on the surface of the frame. The inner roller is rotatably connected to the fixed base via electric drive. The outer roller is disposed outside the fixed base. Side plates are disposed outside the fixed base. An adjustment assembly is disposed between the fixed base and the side plates. A scraper assembly is disposed on the side plates. The scraper assembly includes a groove formed on the outer end face of the side plate. A scraper is disposed at the lower end of a movable frame, and several springs are mounted on the movable frame. This technical solution solves the problem in the prior art where operators commonly rely on manual scraping with tools such as scrapers to cut rubber during processing. This manual operation method is not only labor-intensive but also has limited single-scraping effect, often requiring operators to repeatedly apply force and adjust angles to completely cut the rubber.

The utility model relates to the technical field of cutting, in particular to a metal wire cutting device which comprises a cutting machine, a cutting table is arranged on a machine frame of the cutting machine, a cutting head is arranged above the cutting table in a matched mode, at least two clamping assemblies are arranged on the machine frame, and the cutting head is arranged on the cutting table in a matched mode. The clamping assembly is arranged on the rack through the moving assembly. The clamping assembly comprises a support, a horizontal telescopic rod and a clamping piece, the support is connected with the moving assembly, the fixed end of the horizontal telescopic rod is fixedly connected with the support, and the telescopic end of the horizontal telescopic rod extends to the cutting table and is connected with the clamping piece. The metal wire cutting device is reasonable and simple in structure, low in cost and capable of achieving continuous, efficient and stable metal wire cutting, clamping of uncut metal wires can be kept all the time in the cutting process, and the problem that after the metal wires are loosened, the metal wires need to be pulled again, and consequently efficiency is low is solved.

The utility model relates to the technical field of automobile skylight guide rails, in particular to high-precision metal cutting equipment which is used for cutting the automobile skylight guide rails and comprises a main machine body, a clamping device is arranged in the center of the main machine body, and a cutting device capable of cutting the automobile skylight guide rails is arranged on the back of the clamping device. The clamping device comprises at least two clamping assemblies capable of synchronously getting close to or getting away from each other, the cutting device comprises a cutting assembly capable of moving up and down, the cutting assembly comprises a cutting piece and a polishing piece, and the cutting assembly further comprises a switching device for switching the positions of the cutting piece and the polishing piece. According to the automobile skylight guide rail burr removing device, the cutting piece and the polishing piece are arranged, and the positions of the cutting piece and the polishing piece are switched through the switching device, so that burrs of a notch can be removed after an automobile skylight guide rail is cut.

The utility model discloses an intermittent turning work fixture which is used for cutting a ball valve after rough milling, a through hole is formed in the center of the ball valve in a penetrating mode, one end of the ball valve is arranged towards the middle in a notch mode, the intermittent turning work fixture comprises a plunger, a turning auxiliary cover and a filling block, and the plunger is of a cylindrical structure and is arranged in the through hole of the ball valve. The plunger is provided with a notch, a positioning groove is concavely formed in the notch of the plunger, the turning auxiliary cover comprises a clamping cover and an ejector pin cover, the clamping cover and the ejector pin cover are correspondingly arranged at the two ends of the through hole of the ball valve respectively and fixed to the plunger, and the filling block is correspondingly arranged in the positioning groove. And the filling block and the surface of the ball valve are correspondingly spliced to form a spherical structure. The cutter is simple, reasonable and reliable in structure, the missing part is filled with the same material, so that the original state of a workpiece can be restored, the frequency and the cost for replacing the blade can be reduced while efficient cutting is kept, and the service life of the blade is longer.

The application relates to the technical field of grass cutting equipment, and particularly discloses a cutting device which comprises a machine body, a walking assembly, a main cutting mechanism and an auxiliary cutting mechanism. The walking assembly is arranged on the machine body and is used for driving the machine body to move; the main cutting mechanism is arranged at the bottom of the machine body; the auxiliary cutting mechanism comprises a mounting seat, a cutting driving piece and an auxiliary cutting head, the mounting seat is rotationally arranged on the machine body, the cutting driving piece is connected with the mounting seat, the auxiliary cutting head is connected with the cutting driving piece, and the mounting seat is used for driving the auxiliary cutting head to move to the left side or the right side of the machine body. When the main region of the lawn is cut by the cutting device, the main cutting mechanism cuts the flowers and plants in the main region under the driving of the machine body; when the edge of the lawn is cut, the mounting seat drives the auxiliary cutting head to move to the left side or the right side of the machine body through rotation, so that the auxiliary cutting head cuts the flowers and plants on the left edge or the right edge of the lawn; therefore, the cutting device expands the cutting range and reduces the workload of the user.

The utility model discloses a cutter mechanism for a slitting machine, which comprises a support frame, a movably connected fixed frame is erected on the side surface of the support frame, a movably connected movable frame is erected on the side surface of the support frame, and the lower ends of the support frame and the fixed frame are movably connected with a second shaft in a penetrating manner; a third shaft is movably connected to the lower end of the supporting frame and the lower end of the movable frame in a penetrating mode, symmetrical adjusting grooves are formed in the supporting frame, adjusting grooves are correspondingly formed in the fixed frame and the movable frame, the first rolling wheel is sleeved with a movably-connected rubber leather sheath, and a plurality of inserting and pulling grooves are formed in the second rolling wheel. A cutting knife is correspondingly and movably connected into the inserting and pulling groove, the threaded shaft is sleeved with a movably-connected threaded sleeve, and the threaded sleeve is sleeved with a movably-connected tightening cover. Through the structure, the coiled material slitting device is suitable for coiled materials of different specifications, efficient slitting is achieved, the production efficiency is improved, it is ensured that the slitting size is accurate, notches are flat, and the slitting quality is improved.

The utility model discloses a height-adjustable efficient sugarcane leaf peeling device which comprises a telescopic supporting rod, a fixed sleeve and a combined type cutting tool bit, one end of the fixed sleeve is connected with the combined type cutting tool bit, and the other end of the fixed sleeve is connected with the telescopic supporting rod; the combined type cutting tool bit comprises a U-shaped girdling knife, the U-shaped girdling knife is composed of a U-shaped annular knife hook with an upward opening, the bottom of the U-shaped girdling knife is connected with the fixing sleeve, the width of the upper opening of the knife hook is larger than that of the bottom of the knife hook, the knife hook can adapt to different sugarcane stems, and a blade on the side edge of the knife hook is parallel to the length direction of the sugarcane and is arranged downwards. The efficient sugarcane leaf stripping device can rapidly and efficiently cut leaves needing to be stripped on sugarcane stems, is suitable for stripping leaves of sugarcanes with different plant heights, effectively reduces the number of times of manual arm swing leaf stripping, improves working efficiency and reduces labor intensity.

The utility model relates to the technical field of cutter assemblies, in particular to an angle-adjustable cutter assembly for a food processer, which comprises a cutter holder assembly and a first cutter head assembly, the first cutter head assembly comprises a shaft sleeve and a first blade arranged on the outer side of the shaft sleeve, the shaft sleeve is provided with a shaft hole, and the first cutter head assembly is mounted on the cutter holder assembly through the shaft hole. The tool apron assembly comprises a connecting shaft, a second tool bit assembly is arranged on the lower portion of the connecting shaft, and the second tool bit assembly comprises a body part and a second blade arranged on the outer side of the body part. The connecting shaft is sleeved with the shaft sleeve, a first limiting piece is arranged on the side wall of the connecting shaft, and a second limiting piece used in cooperation with the first limiting piece is arranged on the side wall of the inner side of the shaft sleeve. The blades of the first tool bit assembly and the blades of the second tool bit assembly are arranged in a staggered mode in the central axis direction of the connecting shaft.

The utility model discloses a crushing machine moving cutter convenient to install in the field of moving cutters, which comprises a cutter body and a connecting piece, the cutter body and the connecting piece are integrally formed, one end of the connecting piece extends outwards to form two symmetrical clamping parts, a clamping groove is formed between the two clamping parts and the inner wall of the connecting piece in an inwards concave manner, and the cutter body and the connecting piece are integrally formed. A through circular pipeline is arranged in the cutter body, the circular pipeline extends in the axial direction of the cutter body, and the surface of the cutter body protrudes outwards and extends to form a plurality of cutting parts; according to the smashing machine movable cutter convenient to install, one end of the connecting piece extends to form the two clamping parts and the clamping groove is formed between the two clamping parts and the inner wall of the connecting piece, rapid and stable clamping connection with other parts is facilitated, the installation efficiency and convenience are improved, the multiple protruding cutting parts on the surface of the cutter body are arranged at equal intervals, and the cutting efficiency is improved. And the surface is inclined to form an arc-shaped surface, so that the materials are effectively cut and crushed, and the crushing efficiency and quality are improved.

This invention belongs to the field of water treatment technology, and particularly relates to a multimodal circulating integrated water pollution treatment device. It includes a treatment tank, to which a fixed frame is fixedly connected. A first frame and a second frame are mounted on the fixed frame. Several pairs of mounting plates are fixedly connected to both the first and second frames, with the mounting plates on the first and second frames arranged alternately. Each pair of mounting plates is fixedly connected to a packing element. A driving mechanism is provided on the fixed frame to drive the first and second frames to move relative to each other. An adjusting mechanism is also provided on the fixed frame to control the distance between each pair of mounting plates. This invention achieves this by cyclically moving two corresponding packing elements on adjacent mounting plates up and down relative to each other, thereby scraping away impurities adhering to their surfaces, ensuring the cleanliness of the packing elements, and extending their service life.

This invention discloses a kelp shredding device, belonging to the field of cutting technology. Its key technical features include a first mounting plate and a second mounting plate, both containing a cutting mechanism. This addresses the problems of existing kelp shredding machines that often employ a roller-shaft structure with straight or simply curved blades. These machines lack tangential engagement at the blade-kelp contact point, leading to slippage, poor feeding, and high cutting resistance. This results in low shredding efficiency and can cause the kelp plate to shift due to slippage, resulting in issues like blade overlap, uneven thickness, and burrs. Furthermore, the blades are directly subjected to impact loads, causing rapid wear and requiring frequent blade replacement and adjustment, leading to high maintenance costs. Additionally, these machines are difficult to adapt to kelp raw materials of different thicknesses and moisture levels, resulting in poor shredding quality stability and an inability to meet diverse processing needs.

This utility model discloses a foam cutting device for thermal insulation pipes, relating to the technical field of pipe cutting devices. By equipping a cutter and a scraper on a cutter holder, the cutter cuts the foam layer on the pipe surface radially. As the cutter holder rotates, the foam layer is radially cut open, while the scraper simultaneously scrapes up the radially cut foam layer axially, separating it from the internal PPR pipe. This achieves rapid and efficient cutting of the thermal insulation pipe while avoiding damage to the internal foam layer due to tearing. The device requires less operating force, cuts the pipe more smoothly, and produces a smoother cross-section of the foam layer, improving both work quality and efficiency.

The invention provides a single-stage efficient emergency cutting tool and an assembling method thereof. The single-stage efficient emergency cutting tool comprises a first part, a starting device, a second part, an emergency cutting device, a third part and a safety device. One end of the starting device is connected with the emergency cutting device and the other end is connected with the hand pump; the starting device is used for compressing a disc spring in the emergency cutting device of the second part, and elastic potential energy is provided for well descending cutting of a cutting tool in the emergency cutting device through the disc spring. The emergency cutting device adopts a disc spring mechanical energy storage and release principle to quickly cut a steel wire or a cable through a cutting tool; the safety device is installed at the front end of the emergency cutting device, plays a role in safety protection in the assembling process and plays a role in misoperation prevention before cutting. According to the invention, steel wires or cables can be safely and efficiently cut in a high-viscosity fluid well and an inclined well, and a solid guarantee is provided for the success rate and reliability of operation.

The utility model relates to the technical field of weeding machine, and disclose a sterilization insecticidal weeding machine, including the car body, the car body top fixedly connected with engine, the car body top one side fixedly connected with handlebar. The utility model discloses through the integration pesticide spraying subassembly and the grass cutting subassembly, realized the multifunctional integration operation of weeding, sterilization, insecticidal, specifically, the design of the stirring rod in the medicine cartridge ensures that the liquid medicine mixes evenly, and the water pump and the spray head can be sprayed to the weed and the soil surface with the sterilizing agent or the insecticide accurately, effectively kill the hidden pest and pathogenic microorganism, avoid the problem that the traditional weeding machine only cuts the grass but leaves the pest problem, at the same time, the rotary blade of bottom grass cutting subassembly and the grass board synergistic effect, not only efficient cutting weeds, but also can gather the cut weeds to the car body both sides automatically, prevent the weeds from accumulating on the operator's path, significantly reduce the pushing resistance, improve the operation smoothness and work efficiency.