76results about "Knives" patented technology

A grinding jig (5) is to be attached on an edge tool (4) to be ground on a rotating grindstone (2) in a grinding machine (1), having a support means (3) in the vicinity of the grindstone. The jig is split by having a base portion (6) and two parallel open yokes (8, 9) extending therefrom. A screw (7) for clamping the tool (4) against the bottoms of the yokes is provided in the base portion between the two yokes.

A multi-functional gardening implement that, in some embodiments, functions as a pair of shears, a spade, a garden cultivator, a saw, a machete, a weeder and a rake. The implement comprises two shears that cooperate to cut vegetation placed between them when a user presses the handles of the shears together. The implement also has at least one appendage, which may be a shovel, a hoe, a garden cultivator, or another garden tool that is attached to the central portions of the shears and can be rotated to an operating position where the appendage is supported by the blades of the shears. The implement may have a second appendage that rotates in the opposite direction to a similar operating position against the other sides of the blades. In some embodiments, the cutting portions of the shears may be configured to define a spade blade in the closed position.

An apparatus for an improved hand tool device wherein a rotatable apparatus may rotate the rotating handle apparatus in 15 degree increments to adjust to the user to help reduce the risk of injury and increase power application while gardening by adjusting and creating a favorable angle between the ground and the point of entry of the hand tool device into the ground.

The invention relates an electric sharpener, comprises a main frame, a main shaft, a motor, a transmission wheel, a grinding stone, and an electric control circuit. The motor is mounted on an angular frame which in turn is mounted on the main frame. The transmission wheel is fixed to an end of the main shaft, and the output shaft of the motor is tightly pressed against the periphery of the transmission wheel so as to drive it. A tool rest is fixed onto the main frame in a vertical or horizontal mounting orientation. A water vessel is fixed to the main frame, and the lower portion of the grinding stone dips into the water contained in the water vessel. Special clamps and attachments for grinding different tools are provided. The electric sharpener can be used for grinding various woodworking or household tools.

The invention discloses an agricultural planting technique of high and new technology, and in particular relates to a method for cultivating an American asparagus of UC157 common F1 variety. The method uses the characteristics of strong and healthy growth vigor, barren resistance, high yield, early sprouting, dark green tender stem, thickness, regular sizes, tightly packaged top ramentum, difficult dispersion at a high temperature, wide applicability and the like of the asparagus of the UC157 common F1 variety. The method comprises the following steps: selecting and establishing asparagus cultivation land; adopting the gemmating and germination accelerating conditions of the asparagus and applying a cultivation technique of the asparagus to cultivate and manage the asparagus; doing well in pest control of the asparagus, and harvesting the asparagus in good time to obtain multitudinous cultivated asparagus vegetable products to satisfy the asparagus planting in the modern agriculture; providing the asparagus for national and international markets; and doing well in the works of export trades and earning foreign exchanges of the asparagus products.

Provided is a method and an apparatus for controlling a write parameter according to a voltage variation. The method for controlling the write parameter includes monitoring a voltage supplied to a pre-amplifier before performing a write operation and adjusting the write parameter supplied to the pre-amplifier based on the monitoring result. Controlling the write parameter includes reading a predetermined write parameter from a write parameter table based on the monitoring result, and adjusting the read write parameter to the write parameter which will be supplied to the pre-amplifier.

The invention discloses a zanthoxylum picker comprising a picker body, a picker cover and a picker handle, wherein the picker cover is connected with the upper side of the picker body; and the picker handle is connected with the lower side of the picker body. The zanthoxylum picker is characterized in that the picker body is a hollow structure in the shape of an inverted trapezoid and is provided with a spanner hole at the lower part; an oriented plate is clamped between the picker body and the picker cover and is provided with a triangular fixed hook at the front end, a rectangle at the rear part and a rectangular opening in the middle; a cutter accelerator is installed on the oriented plate through a screw shaft, the front end of the cutter accelerator is connected with a cutter frame arranged in the rectangular opening of the oriented plate through a cutter frame coupler, and the rear end is connected with an elbow of a power driving rod; the power driving rod is installed in a front supporting frame and a rear supporting frame in the picker body, the lower side of the power driving rod is connected with a spanner passing through the spanner hole, and a tension spring is connected between the spanner and the front supporting frame and between the spanner and the rear supporting frame; and the front end of the cutter frame is provided with a blade. The picker has high picking speed and quality, low production cost and convenient popularization and application; in addition, three thorns are not easy to stab fingers.

A method for determining the sharpness of cutting edges (16) of chopper blades (1) at a rotationally driven chopper drum (14) of a forage harvester includes scanning a blade surface of at least one of the chopper blades located behind the cutting edge by at least one electrode operating as a contact sensor and determining a duration of contact of the at least one electrode with the blade surface.

The invention relates to a method for processing a cutter, in particular to a method for manufacturing a cutter used for cutting plastic film particles. The method comprises the following steps: a rolling cylinder is made; a required tooth form is manufactured on the outer surface of the rolling cylinder and the hardness of the tooth form on the rolling cylinder is more than HRC60; a metal block with the HRC less than 25 is placed on a mould rack and the obtained rolling cylinder is used for rolling cutter teeth on the surface of the metal block; the obtained cutter is then treated thermally to ensure that the HRC of the cutter is more than 60. The invention is characterized in that: the obtained cutter has high hardness, precise arrangement of the cutter teeth, compact and sharp metal structure on the cutter tooth face, smooth cutter tooth face, no joint traces on the cutter, short production cycle of the cutter, wide material sources, low production cost and the invention is also characterized in that tools used in cutter production has long service life and the cutter is unlikely to catch the film particles during cutting; the particles manufactured by the obtained cutter are not inclined to be deformed, etc.

An apparatus for an improved hand tool device wherein a rotatable apparatus may rotate the rotating handle apparatus in 15 degree increments to adjust to the user to help reduce the risk of injury and increase power application while gardening by adjusting and creating a favorable angle between the ground and the point of entry of the hand tool device into the ground.

Disposable cutting blades and method for producing disposable cutting blades with profiled cross sections for a device for chipping wood. The method includes heating a primary material of a hardenable material in a soft-annealed state having a worked surface to a temperature above room temperature, but below a conversion temperature Ac1, rolling the primary material to form a profile blank with at least one precisely gaged guide path in a base body in cross section and with an increased thickness of at least one edge region, a metal-removing working of at least one edge region in a longitudinal direction of the profile blank to form a cutting edge and to form scratching edges in a spaced manner directed perpendicularly to the cutting edge, and continuously hardening the edge regions of the cutting blade.

The invention relates to a roll forming machine for forging cutter blanks. The roll forming machine comprises a rack, a first roller, a second roller and a gap adjusting mechanism. Both the first roller and the second roller are arranged in the rack. The first roller is located above the second roller. Both the first roller and the second roller are sleeved with copper tiles. Both the first rollerand the second roller are rotationally connected with the two side walls of the rack through the copper tiles. The two ends of the lower portion of the gap adjusting mechanism rotationally extend into the rack and are correspondingly and detachably connected with the copper tiles. A circular arc groove is formed in the outer profile of the second roller. One end of the circular arc groove is in circular arc transition with one end face of the outer profile of the second roller, and the other end of the circular arc groove is in stepped face connection with the other end face of the outer profile of the second roller. Compared with the prior art, according to the roll forming machine, each cutter blank in the circular arc groove is rolled into a semi-finished cutter with one thick side andone thin side by the first roller and the second roller, each semi-finished cutter is in a thick-cutter-back and thin-cutter-point shape, meanwhile the thicknesses of the semi-finished cutters are consistent, the surfaces are level, bright and clean, and the cutter points are straight.

The invention relates to a hot-rolling sword blank manufacturing device and a hot-rolling manufacturing method thereof, in particular to a sword blank hot-rolling former and a hot-rolling manufacturing method using the same. The sword blank hot-rolling former comprises a feed mechanism, a high-frequency heating system, and a rolling machine. The high-frequency heating system is disposed between the feed mechanism and the rolling machine and comprises an induction coil pipe, a cooling water circuit system, a high-temperature cement block, a transformer, and an ultrasonic frequency induction heating device connected with the transformer. The high-temperature cement block is provided with a heating passage. A main part of the induction coil pipe is embedded into the high-temperature cement block. The induction coil pipe extends out of two ends of metal pipes in the high-temperature cement block and respectively electrically connected with the transformer; the interiors of hollow pipes of the metal pipes at two ends are further communicated with the cooling water circuit system. High-temperature cement material for the high-temperature cement block is made from cement, water, tricalcium aluminate, polyester fiber, retarder, and polypropylene fiber. The sword blank hot-rolling former heats up by high frequency, is high in production efficiency and good in safety, causes low pollution, and is good in machining quality.

The invention discloses a tool for breaking off toon buds, which belongs to a tree branch pruning tool article, in particular a tool suitable for breaking off toon buds. The tool for breaking toon buds includes a high pole and a steel hook, and is characterized in that: the upper end of the high pole is connected with a machete handle, the machete handle is equipped with a machete, one side of the machete handle is inlaid with a saw blade, and the top of the machete handle is Equipped with steel hooks. The beneficial effect of the present invention is that a machete is installed on the handle of the machete, a saw blade is installed on one side of the handle of the machete, and a steel hook is installed on the top, and the thicker buds of the branches are cut off by using the machete and the saw blade Or saw it off, no longer need to climb high and climb trees, which reduces the danger and improves the efficiency of breaking off the buds. The present invention can also be used for the pruning of other trees.

The invention provides a cold rolling method of a tool blank. The cold rolling method comprises the following steps: (S101) an edge end of a blank material is put in a roller inlet of a rolling mill for primary rolling, so that the thickness of the edge end of the blank material is reduced by 0.3-0.8 mm; and (S102) the edge end of the blank material is put in the roller inlet of the rolling mill for secondary rolling, so that the thickness of the edge end of the blank is reduced by 0.3-0.8 mm. The edge end of the blank material is firstly fed in the rolling mill for rolling; and the blank material is fed by the rolling mill. After the rolling is finished, the thickness of the blank material is trapezoidally distributed; the thickness of the edge end minimally satisfies subsequent machining demands of a tool; a tool sample is closer to the standard; and after two times of rolling, the strength and the hardness of the tool blank are increased, and the toughness plastic index of the tool blank is decreased, so that the strength of the tool blank as the tool can be guaranteed. The secondary rolling can achieve a flattening effect on the surface of the blank.

The invention discloses a forming roll for kitchen knives and a method for using it. It consists of two parts: a roll body and a roll connecting shaft. The surface gradually transitions into a special-shaped pass with horizontal shallow grooves. The invention can make the plate blank used for special-shaped kitchen utensils go through 2-3 rollings to form a style with a thick back and a thin blade; meanwhile, it can meet the requirements of continuous rolling and mass production.

The invention provides a manual rice cutter. The manual rice cutter comprises a movable claw, a cutting knife, a locking nut, a movable pull rod, a telescopic rod, a guide block, a connection plate, handles, a supporting rod, a fixed claw, a claw frame and a spring. When the manual rice cutter is used for harvesting rice, the handles at the two sides are grasped respectively by double hands and the position of the cutter is adjusted, so that rice seedling straws are located between the movable claw and the fixed claw; the two handles are pulled to move to the opposite directions, namely the movable claw, the fixed claw and the cutting knife are driven to move, and the rice seedling straws are clamped and cut or are loosened; the spring is arranged in the telescopic rod, so that the clamping degree of rice is at a suitable state. The manual rice cutter is ingenious in structural design; compared with a traditional rice cutter, the rice does not need to be cut by bowing, so that certain labor intensity can be alleviated; the manual rice cutter is an economical and practical manual rice cutter.

The stalk cutter device and method of use thereof obtains a desired length of plant stalk, particularly a cornstalk, from a desired distance from the ground. The stalk cutter device includes a pair of handles pivotally connected to a pair of pruning type of cutters. A support rod is mounted through the pivot connections of the cutters and extends laterally a desired distance from the lower cutter to support the device at the desired height to cut the desired portion of the stalk.

The invention discloses a line patrolling rod with a cutting hook for power line patrol. The line patrolling rod comprises a patrolling rod body and a cutting hook body or a fork body connected with the patrolling rod body. The cutting hook body is an arc cutter, and multiple saw teeth are arranged on a cutting edge of the arc cutter. The line patrolling rod has the advantages of being simple in structure, convenient to operate, low in cost and capable of reducing loads of a patroller, and branch treatment in the process of patrolling a line is convenient.

The invention discloses a multifunctional folding shovel. The multifunctional folding shovel comprises a shovel head, a shovel handle and a folding slingshot; the shovel handle is a spliced type shovel handle which is formed by splicing a plurality of sections, the head section of the shovel handle is connected with the shovel head, and the tail section of the shovel handle is connected with the folding slingshot. The folding slingshot comprises a slingshot handle and a folding slingshot arm which is arranged at the head end of the slingshot handle, the slingshot arm is stored in a slingshot storage bin in the shovel handle, and the slingshot handle is detachably connected with the opening end of the slingshot storage bin. The multifunctional folding shovel has the advantages of being convenient to carry and multifunctional.

The invention discloses a grass chopping hoe which comprises a handle, a hoe body, a connecting device and a storage chamber. The grass chopping hoe is characterized in that an annular grab handle is arranged on the outer side of the front end of the handle; the storage chamber is formed in the inner side of the front end of the handle; a cavity is formed in the lower side of the back end of the handle; a chopper is arranged on the upper side of the lower end of the handle; the upper end of the hoe body is installed in the cavity; the hoe body can be folded inwards by 90 degrees; a locking part is arranged at the joint of the cavity and the inner side of the hoe body. According to the grass chopping hoe, the structure is simple, the design is reasonable, the hoe body and the cavity are not fixed, the hoe body can rotate to be folded towards the handle, and therefore the hoe can be convenient to carry and store; in addition, the chopper is arranged at the upper end of the handle, use is convenient, and the occupation area of the farm tool is decreased.

A method of sharpening bedknives for reel type mowers by installing sets of locator surfaces in a bedknife grinder, grinding the surfaces with the grinder to be aligned and parallel, installing a bedknife located against surfaces in both sets, and electromagnetically locking the bedknife in position while grinding the edge to be sharpened. The bedknife is adjusted to be aligned with the reel blades by adjusting the bedknife pivots in the mower.

The invention discloses a scraper knife for removing bamboo shoots, comprising a handle of which the front end is provided with a metal scraper knife. The metal scraper knife is an arc-shaped plate body of which the lower end is a knife edge; the radian of the arc-shaped plate body gradually decreases from top to bottom, the width of the arc-shaped plate body gradually increases from top to bottom, and the thickness of the arc-shaped plate body gradually decreases from top to bottom; and the knife edge is in an upward-concave crescent structure. The scraper knife of the invention can conveniently and cleanly remove the bamboo shoots, saves time and labor and has high efficiency.

A method for manufacturing a linear cutter permits continuous manufacturing of linear cutters and achieving remarkable reduction in processing steps, processing time, and a process cost, and is immediately feasible to linear cutters having special lengths. The method includes the steps of: preparing a pair of roller dies for forming a die hole for processing a wire rod into a predetermined shape, the die hole having keen angle parts for forming a cutting edge; and causing the wire rod to pass through the die hole in a state that the roller dies revolve and thereby forming a sectional shape of the wire rod into a pre-set shape and, at the same time, forming a cutting edge at least at one edge of the wire rod.

The utility model relates to the field of herbal medicine harvesting, in particular to handheld herbal medicine harvesting shears which comprise a handle, a telescopic pull rod is arranged in the handle in a sliding mode, a connecting column is arranged at the end of one side of the telescopic pull rod in a connected mode, a sickle blade is arranged on the connecting column, and blades are symmetrically arranged at the end of one side, located on the sickle blade, of the handle. A movable groove is formed in the outer wall of the handle pipe body, supporting holes are symmetrically formed in the positions, located on the two sides of the movable groove, of the interior of the handle pipe body, the telescopic pull rod is in sliding fit with the supporting holes, and a limiting hole is formed in the end, close to one side of the blade, of the handle pipe body. A sickle blade is located on one side of herbal medicine, then a telescopic pull rod is moved, the sickle blade and a blade can coincide for harvesting, in this way, the length of a handle is long, the herbal medicine with the farther distance can be harvested, compared with scissors, operation is easy, and an operator can harvest the herbal medicine more efficiently.

The invention discloses a young garlic shoot picking device which comprises a supporting rod, a supporting fork, a sliding rod, a cutting piece and a supporting bag. the supporting rod is rotationallyconnected with a fixing rod through a first rotating shaft, and an elastic bag is arranged on the fixing rod; the other end of the supporting rod and the supporting fork are fixed; the two ends of the sliding rod are rotationally connected with the supporting fork through second rotating shafts, and an arc of the sliding rod is correspondingly connected with the cutting piece; the surface of thesliding rod is provided with a plurality of protruding friction nails and through holes formed in the peripheries of the friction nails, a sealed expansion film is arranged in the sliding rod, and theexpansion film is communicated with the interior of the elastic bag through a guide pipe; the supporting bag is arranged at an arc-shaped concave part of the cutting piece and is communicated with the expansion film through a connecting pipe; a first cutter and a second cutter are respectively fixed at the two sides of the second rotating shaft; and the planes of the first cutter and the second cutter are perpendicular to the arc-shaped plane of the sliding rod. The young garlic shoot picking device has the beneficial effects that the problems that garlic shoot skin is scratched by the cutters, operation is inconvenient, and the hidden danger of damaging the seedlings exists are solved; and the problem that radians which are difficult to coordinate exist for stems with different thicknesses is solved.

The utility model provides a rhizoma paridis planting rhizome cutting device. The paris polyphylla planting rhizome cutting device comprises a hollow rod; the lifting cover is fixedly mounted at the top of the hollow rod; the protective shell is arranged on the hollow rod and the lifting cover in a sleeving manner; the fixed shaft is fixedly mounted on the protective shell; the two clamping pieces are both rotationally mounted on the fixed shaft; the two fixing rods are both fixedly installed on the protective shell, and the two fixing rods and the two clamping pieces are correspondingly arranged; and the two first springs are fixedly mounted on the two clamping pieces and the two fixing rods correspondingly. The paris polyphylla planting rhizome cutting device has the advantages that paris polyphylla planted in a scattered mode can be harvested conveniently, and time and labor are saved.

The utility model discloses a multi-purpose tool for mowing grassland vegetation in the flush field and raking grass. The multi-purpose tool is characterized in that one end of a handle is fixedly connected with a cutting knife; sliding holes are respectively formed in two ends of the cutting knife; a threaded hole is formed in the cutting knife, the puller bolt is screwed in the threaded hole, the insertion rod is inserted in the sliding hole in a sliding mode, and the puller bolt can abut against the insertion rod; supporting wheels are rotatably supported at the lower ends of the inserting rods; the rake beam is fixedly connected with the handle; and one end of each rake tooth is fixed with the rake beam. The mowing height of the cutting knife can be adjusted, the inserting rod cannot slide or rotate randomly in the sliding hole, labor is saved during mowing, the distance between the cutting edge of the cutting knife and the ground can be kept constant when the cutting knife moves, and the mowing height of vegetation is uniform and constant; a user can rotate the handle to realize the switching of mowing and raking functions, and the rake teeth can collect the stems and leaves of the mowed plants; the tool not only can be used for mowing grassland vegetation, but also can realize a grass raking function, and is relatively high in practicability and working efficiency.

The invention relates to a sugarcane cutting knife. The sugarcane cutting knife is manufactured by the following steps: cutting a steel pipe into three equal pieces, and then connecting the three pieces by using hinges to form a knife handle which can be opened and closed, welding a hacking knife onto the middle piece of the three steel pieces forming the knife handle, arranging slightly inward bent leaf stripping teeth at the end close to the cutter handle, and arranging iron rings which can sleeve a thumb and four fingers at a proper position of the knife handle, so that the opening and closing of the knife handle are convenient to control. The sugarcane cutting knife provided by the invention has simple structure and convenient use, and can improve the working efficiency.

The invention discloses a cotton harvesting cutter grinding device. The cotton harvesting cutter grinding device comprises a clamping device used for clamping a cotton harvesting cutter, a first grinding device and a second grinding device. The clamping device comprises a chuck and a chuck base. The chuck is mounted on the chuck base. The first grinding device comprises a first grinding wheel, a first motor and a first motor base. The first motor drives the first grinding wheel to rotate. The first motor is mounted on the first motor base. The second grinding device comprises a second grinding wheel, a second motor and a second motor base. The second motor drives the second grinding wheel to rotate. The second motor is mounted to the second motor base. The cotton harvesting cutter grinding device has the advantages that the cotton harvesting cutter can be polished, so that the worn cotton harvesting cutter can be reused, and the cost is reduced.