60 results about "Knife blades" patented technology

A safety razor blade unit mounted for pivotal movement relative to a razor handle about a pivot axis substantially perpendicular to a blade mounted in the blade unit. The blade unit is biased to a rest position by a magnetic return force generated by a set of magnetic elements. The set of magnetic elements are so disposed that the return force increases as the pivotal displacement of the blade unit from the rest position increases.

Shaving razors and cartridges intended for mounting on such shaving razors wherein the cartridges include one or mounted solid shaving aid portions that are wing shaped and that exhibit an improved conformation to a shaving consumer's skin surface.

A razor blade unit having a frame and blades movably mounted in the frame, each blade being elastically biased toward a rest position where the upper face of each blade bears against upper stop portions of the frame, the upper face of each blade being parallel to the corresponding upper stop portions.

The invention belongs to the field of additive manufacturing, and relates to a multi-knife automatic knife changing type powder laying scraper knife device of a 3D printer. The device is arranged above a sinter molding face or a curing molding face and can do reciprocating motion along guide rails, and scraper knife blades are used for striking off powder and completing the powder laying procedure. The device is characterized in that the scraper knife blades are arranged, the scraper knife blade at the lowest position serves as a work knife blade, the rest of knife blades serve as spare knife blades, the spare knife blades can be automatically exchanged to the lower work positions under control of a control system, and therefore normal running of a machine is guaranteed; shutdown is not needed when a knife holder shaft turns, and therefore the production cost of the 3D printer is reduced, and time is saved.

Casing cutter for severing multiple tubulars in a well bore has a pair of cutter blades pivotally mounted on a support body. The blades are pivotally mounted for gradual movement outside of the support body when downward force is applied to proximate ends of the cutter blades. The support body is rotated inside the innermost of the multiple tubulars, while the cutter blades sever the tubulars of progressively increasing diameter. Should the cutter blades or pivotal connections become unusable, the tool body can be rotated about the vertical axis and secured to a downhole string by the opposite end. A substitute pair of cutter blades are then engaged on the tool body and operated to cut the casings similar to the first set of the cutter blades.

The present invention includes a compact container comprising: a container body which has a button member mounted on the front side thereof; a container lid which is hinge-coupled to the back side of the container body; an inner container member which is for accommodating contents and is mounted on the inner side of the container body; and a fixing member which is for fixing the inner container member and the button member and is fixedly coupled to the inner peripheral surface of the container body. When the button member is assembled to a button member mounting groove, button member blade portions of the button member are vertically inserted into guide grooves, which are formed inside the button member support, thereby enabling easy assembly.

The multi-tool assembly includes a handle which extends in a first direction between opposite ands and which presents an interior with a pocket. A first blade with a flat edge is secured with one end of the handle for spreading a drywall joint compound. The multi-tool assembly further includes a utility knife blade for cutting drywall sheets and a blade holder which engages the utility knife blade.

The invention relates to a sharpness qualification detection device, in particular to a surgical operating knife blade sharpness qualification detection device, and aims at the technical problem of providing a surgical operating knife blade sharpness qualification detection device which is more accurate in test result and more convenient in record and test process. According to the technical scheme, the surgical operating knife blade sharpness qualification detection device comprises an installation rack, an L-shaped connecting rod, a motor, a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod, an arc-shaped connecting rod, a first pressing rod and the like; and the L-shaped connecting rod is arranged on the upper surface of the left side of theinstallation rack, and the motor is arranged on the right side of the top of the L-shaped connecting rod. According to the surgical operating knife blade sharpness qualification detection device, detection personnel control the motor to rotate to drive an operating knife blade to downwards make a knife mark, and then the sharpness of the operating knife blade can be clearly measured by observing and recording the displacement size of the operating knife blade; and by arranging a pressing wheel, the detection personnel can avoid the phenomenon that due to the fact that too many skin-like materials are discharged in the process of replacing the skin-like materials, a detection result is not precise.

In a pair of scissors including a movable blade and a static blade as a pair of plate-shaped blades respectively formed by press working, the movable blade and the static blade include edge line portions for sliding against the other blades and recessed portions which are formed at portions adjacent to the edge line portions with differences in level from the edge line portions, which are away from blade back faces of the other blades in a thickness direction, and which have bottom faces substantially parallel to blade back faces of the edge line portions.

A cutter designed to release and remove objects such as medication pills and the like from an encapsulated packaging such as a blister pack. The cutter includes at least one blade which is advanced proximate the bottom region of the object and which cuts through the packaging and releases the object. In the preferred embodiment, the cutter included two blades each coupled to a shaft. The two shafts are connected together proximate an end opposite the cutter end and pivot to allow one handed operation.

Manually trowelling floor toppings, such as aggregate decorative stone, can be labor-intensive and costly. The present disclosure includes a power rotary trowel that includes a hub rotatably attached to an electric motor via a swivel. A plurality of arms extend from the hub, and a trowel blade assembly is attached to each of the arms. The trowel blade assemblies support an operating weight that includes, at least, a weight of the hub, the arms, the electric motor, the swivel and the trowel blade assemblies. A ratio of the operating weight to a combined trowel blade assembly length is less than 1.3 pounds per inch.

The invention discloses a rotary cutting tool and a method for cutting a pipe by the same. The rotary cutting tool comprises a rotary tool rest, a tool handle, a blade, and a tool handle resetting mechanism; the rotary tool rest is provided with a tool handle groove and an axial through hole which is used for accommodating the pipe to be cut; the tool handle is arranged in the tool handle groove;the tool handle is pivoted with the rotary tool rest and rotates from an initial position to a cutting position when the rotary tool rest rotates; the blade is arranged on the tool handle, and a gap is reserved between the blade and the pipe to be cut when the tool handle is positioned at the initial position; when the tool handle is positioned at the cutting position, the blade cuts the wall of the pipe to be cut; and the tool handle resetting mechanism is used for resetting the tool handle to the initial position. The method for cutting the pipe comprises the following steps of: rotating the tool handle outward by using centrifugal force generated when the rotary tool rest rotates, and simultaneously rotating the blade which is arranged on the tool handle inward to cut the wall of the pipe. When a pipe which is made of an elastic material is cut by the cutting tool, the cutting uniformity and evenness of a cut section can be guaranteed.

The invention relates to a cutting device, in particular to a device for wood cutting and provides the device for wood cutting. According to the device for wood cutting, manual fixing and machining are not needed, flexibility is high, and the machining efficiency is high. The device for wood cutting is provided and comprises a bottom plate, a first supporting frame, a first supporting plate, firstwedge-shaped blocks and first fixing seats. The bottom plate is used for installing the whole device. The first supporting frame is arranged on one side of the top of the bottom plate. The first supporting plate is arranged on the top of the first supporting frame. The first wedge-shaped blocks are symmetrically arranged on the first supporting plate in a sliding mode, and the number of the firstwedge-shaped blocks is two. The first fixing seats are symmetrically arranged on one side of the first supporting frame, and the number of the first fixing seats is two. By means of cooperation of the first wedge-shaped blocks and reset springs, when wood is discharged, the first wedge-shaped blocks block the subsequent wood, and when the wood is cut, the wood is prevented from moving backwards under the pushing force of a blade and falling out of the device.

The invention discloses an array type meat cutting and skewering device. The array type meat cutting and skewering device comprises a cutting bottom frame, a cutting pressing frame and cutting blades, wherein the bottom end of the cutting bottom frame is hinged to the top of the cutting pressing frame through a rotary shaft; needle threading holes are machined in edge frames on four sides of the cutting bottom frame; the cutting bottom frame is a rectangular framework which has an open upper end and is internally provided with a rectangular containing cavity; the cutting pressing frame is a rectangular framework which has an open lower end and is internally provided with a rectangular containing cavity; a plurality cutting blade fixing grooves are formed in the edge frames of the cutting bottom frames; and the rotary shaft is a damping rotary shaft. With the adoption of the technical scheme, a meat product is directly arranged in the containing cavity of the cutting bottom frame, and the quantity of the blades mounted on the cutting pressing frame and the distance between the blades are selected according to cutting requirements; the blades are finally limited by fixing a blade pressing sheet; then a user holds a handle and slowly presses the cutting blade; finally, the cutting is finished after the cutting bottom frame and the cutting pressing frame are completely closed; and the user opens the cutting pressing frame and skewers bamboo sticks into the needle threading holes of the cutting bottom frame to form skewered meat.

The invention discloses a food material slicing device. A support frame is composed of a support ring and support legs. The device further comprises a bearing platform, a distance measuring sensor, anacousto-optic alarm and a controller; the lower part of the shell is provided with a positioning mechanism; a driving box is fixedly installed in the shell, and a driving motor drives a driving shaftlocated at the lower part of the driving box to rotate through a transmission gear; a longitudinal reciprocating mechanism comprises a connecting rod and a disc, the upper end of the connecting rod is fixedly connected with a sleeve, the outer side of the middle part of the middle section of the driving shaft is rotationally sleeved with the sleeve, and the lower end of the connecting rod is fixedly connected with the center of the upper end of the disc; the lower end of the disc is connected with a plurality of blades, the bearing platform is provided with a plurality of knife grooves, and the outer part of the bearing platform is connected with a positioning block matched with the positioning mechanism; the distance measuring sensor is fixedly connected to the upper end of the sleeve; and the controller is respectively connected with the distance measuring sensor, the acousto-optic alarm and the driving motor. The device not only can complete the fast slicing operation on food materials, but also can effectively protect operators from hurting themselves.

The invention discloses a food processor which comprises a barrel, static grinding covers, moveable grinding heads, blades, auxiliary slurry discharging blades and a driving device, wherein feed portsand discharge ports are formed in the static grinding covers; grinding areas for grinding materials are defined between the moveable grinding heads and the static grinding covers; the grinding areascommunicate with the feed ports and the discharge ports; the blades and the moveable grinding heads are arranged up and down in a spaced manner; the blades are located on the feeding sides of the moveable grinding heads and are used for grinding materials; the auxiliary slurry discharging blades and the moveable grinding heads are arranged up and down in a spaced manner; the auxiliary slurry discharging blades are arranged on the discharge sides of the moveable grinding heads and are opposite to the discharge ports; and the driving device is connected with the blades and the moveable grindingheads so as to drive the moveable grinding heads and the blades to rotate. In the food processor according to the embodiment of the invention, the auxiliary slurry discharging blades are arranged on the discharge sides of the moveable grinding heads so that the flow rate of food materials can be increased, and meanwhile, the food materials are prevented from blocking the discharge sides of the moveable grinding heads under the stirring effect of the auxiliary slurry discharging blades.

The invention relates to a food detection device, and belongs to the technical field of food detection. The food detection device comprises a feeding conveyor belt, baffles are fixed on two sides of the feeding conveyor belt, a cutting frame is mounted on the two baffles, a first lifting device is fixed on the cutting frame, a blade is fixed at the bottom end of the first lifting device, and the first lifting device is used for driving the blade to lift; and a conveying conveyor belt is arranged at the discharging end of the feeding conveyor belt, the conveying conveyor belt is located below the feeding conveyor belt, a plurality of detection bottles with upper openings are placed on the conveying conveyor belt, and a water adding device for injecting distilled water into each detection bottle is arranged on the conveying conveyor belt. The food detection device can improve food detection efficiency.

The invention discloses a treatment machine for increasing surface roughness of plastic foam particles. The treatment machine is mainly characterized in that a driving shaft of an electric device is fixedly connected with a flying bar in a material bin inner cavity; at least two sets of sawtooth-shaped blades are distributed and connected on a frame of the flying bar in the axial direction; the edges of blade teeth of the opposite sawtooth-shaped blades of on the flying bar are annularly sleeved with a sleeve with sieve holes distributed in the outer circle with the distance a=2 mm to 6 mm, and the sleeve is connected with a material bin; a feeding hole is formed in the other end of the material bin and corresponds to a feeding end opening of the flying bar. Under the action of outside suction force in the work process, the blade teeth on the sawtooth-shaped blades on the flying bar rotate, the surfaces of the plastic foam particles adsorbed on the surface of an inner cavity of the sleeve are scratched and pulled, roughness is increased, and then the plastic foam particles are sucked into the material bin through the sieve holes in the surface of the inner cavity of the sleeve through extrusion to be discharged out. The plastic foam particles with the rough surfaces are in mixed and coated connection through cement and pulverized fuel ash, the adhesive force is high, mixtures are evenly stirred, the material of a forming die shell is even and dense, connecting strength is high, and machining quality of die shell production is improved.

The invention provides an efficient plastic granulator for preventing air environment pollution. A base is included. A shell is fixedly arranged on the upper side of the base. A feeding box and a first shell are fixedly arranged on the upper side of the shell. A rotation shaft is movably arranged on the inner wall of the feeding box and fixedly provided with a roller. Blades are fixedly arranged on the roller. According to the efficient plastic granulator for preventing air environment pollution, materials are placed in the shell through the feeding box, a first motor provides power to drive afirst rotating shaft to rotate, the first rotating shaft drives a first cutting blade to rotate, and the first cutting blade transversely cuts the materials. Meanwhile, a second motor provides powerto drive a second rotating shaft to rotate, the second rotating shaft drives a second cutting blade to rotate, and the second cutting blade longitudinally cuts the materials. The first cutting blade and the second cutting blade effectively cut the materials, and accordingly the equipment achieves the effect of high cutting efficiency.

The invention provides a high-temperature-resistant mica plate edge cutting device and a using method thereof. The device comprises a workbench, hydraulic telescopic rods are fixedly connected to thetwo sides of the top of the workbench, a top plate is fixedly connected between the top ends of the two hydraulic telescopic rods, a moving block is slidably connected to the bottom of the top plate,a cutting mechanism is connected to a fixing plate on the left side of the moving block, the right side of the moving block is fixedly connected with a clamping mechanism, and scale marks are arrangedon the surface of the top plate. According to the high-temperature-resistant mica plate edge cutting device and the using method thereof, the position of a cutting blade is observed through a pointerand the scale marks, the position of the cutting blade is adjusted according to the length of a mica plate, the cutting precision can be improved, later use of the mica plate is facilitated, meanwhile, adjustment can be not needed after one-time adjustment, the cutting efficiency is improved, and wide application and popularization are facilitated.

The invention discloses a 3D breast printing device, and relates to the technical field of 3D printing. The 3D breast printing device comprises a printing supporting frame and a printer body, the printer body is located at the position, close to the top, of the center inside the printing supporting frame, the 3D breast printing device further comprises two first electric telescopic rods arranged on the lower inner wall of the printing supporting frame, and a printing base is fixedly connected between the output ends of the two first electric telescopic rods. According to the 3D breast printingdevice, a first motor rotates clockwise to drive a telescopic pipe to rotate, so that the telescopic pipe drives a roller wheel and a blade to rotate, when the first motor drives the roller wheel torotate, the roller wheel moves along the track of a limiting groove, the roller wheel gradually pulls the telescopic pipe open, the front and rear outer surfaces and the left outer surface of the blade are sharp, the pulled telescopic pipe gradually enables the blade to penetrate through the bottom of a breast mold to separate a printed breast from the printing base, then the first motor rotates in the reverse direction, the first motor retracts the blade through the limiting groove, and the 3D printing device can enable the printed breast mold to be automatically demolded.

The invention provides a multi-blade vegetable knife. Multiple blades are densely fixed in a square frame. The two symmetrical sides of the square frame are each provided with a handle. During usage, a user holds the handles on the two sides with hands correspondingly, the multiple blades correspond to sliced vegetables so that the vegetables can be further sliced into multiple slices at a time, the speed is high, the thickness is uniform, and the effect is good.