36results about How to "Increase cutting length" patented technology

The invention discloses a high-precision cutting machine, comprising a feeding device, a feeding speed detecting device, a material cutting device, a cutting device drive mechanism and a discharging device, wherein the feeding speed detecting device is used for acquiring the running speed data of a material and transmitting the running speed data to a main control system; and the main control system is used for controlling the cutting device to synchronously advance at the speed identical to the running speed of the material along a direction consistent to the advancing direction of the material while controlling the cutting device to perform cutting. In the cutting machine disclosed by the invention, an encoder is used for acquiring the running speed of the material and sending out pulse signals, a PLC (Programmable Logic Controller) is used for extracting the pulse signals of the encoder and performing accumulation operation on the pulse signals, when an accumulated value reaches a set value inside the PLC, a cutting length for the material is indicated to be reached, and the PLC sends out a cutting instruction, so that a cutting position during each cutting is accurately controlled; in addition, a cutting tool advances synchronously with the material during cutting, so that the cutting position does not change relatively, and the precision of the cutting length can reach +/-0.5mm.

A modular cutting-teeth drill bit with controllable drilling specific pressure comprises a module (1), a modular unit (2), a bit body (3), conventional cutting teeth (4) and a nozzle (5). According to mechanical performance of the rocks in the strata drilled and requirements of drilling well, a combination of shapes, sizes and numbers of the module and the modular unit is optimized; effective abrasion edge length of the cutting element on a certain portion of the bit is controlled; and a constant specific pressure of the cutting element of the bit during the drilling process is maintained. The modular cutting-teeth bit substantially improves the effective abrasion volume of the cutting element, and improves the effective utilization rate of the cutting element.

A high-speed precision interrupted ultrasonic vibration cutting method includes steps of: (1) installing an ultrasonic vibration apparatus on a machine tool, and stimulating a cutting tool to generate a transverse vibration, so as to realize varieties of machining processes; (2) realizing an interrupted cutting process by setting cutting parameters and vibration parameters to satisfy an interrupted cutting conditions; and (3) turning on the ultrasonic vibration apparatus and the machine tool, and starting a high-speed precision interrupted ultrasonic vibration cutting process. High-speed precision interrupted ultrasonic vibration cutting is able to be realized through the above steps during machining of difficult-to-machine materials in aviation and aerospace fields. A cutting speed is enhanced significantly, and exceeds a critical cutting speed of a conventional ultrasonic vibration cutting method and an elliptical ultrasonic vibration cutting method and even a high speed range of a traditional cutting method.

A cutting assembly for cutting a material extruded from a die can include a wiper adapted to connect to an auger or a rotating member, a die holder plate disposed adjacent the wiper, a cutter member disposed downstream from the die holder plate, and a pressure sensor.

An electric hair cutting kit comprises a handle with a motor for driving a beard trimmer head portion and a shaver head portion. The shaver head portion is attachable to the handle and has at least a first shaver unit, which is provided with a first foil-type outer shaver cutter and a first inner shaver cutter.

The invention discloses a silicon wafer wire cutting machine. The silicon wafer wire cutting machine comprises a frame, a cutting chamber and a wire barrel chamber. The cutting chamber is internally provided with a cutting head and a winding and unwinding wheel tool. The wire barrel chamber comprises a main plate, a winding and unwinding wheel unit, two wire guiding wheel tools arranged below winding and unwinding wheels, wire guiding wheel tool movable bases connected with the wire guiding wheel tools, two transverse movement frames, two tension arm motors, tension arms connected with the tension arm motors, and tension arm guiding wheels arranged at the lower ends of the tension arms, and the transverse movement frames are horizontally arranged. The silicon wafer wire cutting machine has the beneficial effects that the guiding wheel arrangement structure is optimized, the wire barrel installing manner is horizontal installation, the winding displacement load of horizontal installation is uniform, and the number of guiding wheels is reduced; and due to reduction of the number of the wire guiding wheels, the breaking tension of a steel wire is increased firstly, and then fluctuation of tension entering a wire net becomes small; and jumping of the wire barrel is weak, winding displacement is more stable, and arm swinging is stable when the tension arms run. By means of the silicon wafer wire cutting machine, broken wires are effectively monitored, and wire net empty pulling and other losses caused by wire breaking are reduced.

The invention belongs to the technical field of fine crushing, and in particular, discloses a shearing crusher cutter and a crushing shaft device of a shearing crusher applying the cutter. The cutter comprises a cutter body, and a cutter shaft mounting hole formed in the center of the cutter body; and multiple main edges are arranged at the outer periphery of the cutter body, and are uniformly distributed on the outer peripheral edge of the cutter body with the cutter shaft mounting hole as the circle center. The cutter further comprises multiple sets of secondary edges; each set of secondary edges is arranged between two adjacent main edges; and the distances from the main edges to the cutter shaft mounting hole are larger than the distances from the secondary edges to the cutter shaft mounting hole. The crushing shaft device comprises a cutter shaft, and cutters mounted on the cutter shaft; at least two cutters are provided; and spacing sleeves are arranged between the cutter shaft and the cutters. The cutter can fully crush materials to be crushed to improve the crushing efficiency, and relatively prolongs the service life of a crushing shaft and a motor.

A serrated pipe cutter comprising handles pivotally coupled together and movable between first and second positions; wherein the first handle includes a grip at one end and a blade at an opposite end; the blade includes an elongated cutting edge which defines a cutting edge surface tapering inwardly, a plurality of serrations extending along the cutting edge, and a plurality of cutting tips extending between adjacent serrations. Each serration defines a cutting edge surface, a substantially concave facet tapering inwardly, and a linear serration cutting edge extending between adjacent cutting tips. Each cutting tip defines a cutting tip surface tapering inwardly and a linear cutting tip edge extending between adjacent serrations, at least a portion of which is offset from at least a portion of the serration cutting edge.

The invention discloses a winding machine head of a multi-wire cutting machine and the cutting machine. The winding machine head comprises even numbers of winding wheel supports, winding wheels, lead screw module connecting blocks, and drive wheels with the same quantity as that of the winding wheel supports, wherein each winding wheel support is fixedly arranged together, the winding wheel supports and the lead screw module connecting blocks are fixedly arranged together, at least one winding wheel installing board which is arranged vertically is arranged on each winding wheel support, one winding wheel is arranged on each winding wheel support, the plane where the winding wheels are positioned is tangent with the drive wheels, the axes of the two sets of opposite driving wheels are in parallel with one another, each drive wheel comprises a driving wheel and a driven wheel, which are coaxially arranged with each other, and a driving wheel motor drives one driving wheel to rotate. After the winding machine head is used, through the specific structural design of the drive wheels and the winding wheels, and in combination with steering wheels, the single-line cutting can be realized, the cutting length can be effectively prolonged, the possibility for breaking a diamond wire can be reduced, and the production efficiency can be improved.

The invention belongs to the technical field of surgical instruments and relates to a prepuce anastomat. The prepuce anastomat comprises a glans holder, a slide staple chamber, a body, a knife closing mechanism and a buffering compression mechanism. The body comprises a staple ejector and a circumcision knife, the staple ejector is positioned on the outer side of the front end of the body, and the circumcision knife is positioned on the inner side of the staple ejector and extends to the front of the staple ejector. The slide staple chamber with anastomosis staples mounted at the front end sleeves the staple ejector, and the buffering compression mechanism which pushes the slide staple chamber forwards is mounted between the slide staple chamber and the body. The glans holder for fixing tissues is provided with a knife abutting ring matched with the circumcision knife and staple anvils matched with the anastomosis staples in the slide staple chamber. By backward movement of the knife closing mechanism, the glans holder clings to the slide staple chamber, pushes the slide staple chamber to move backwards to get close to the circumcision knife, and finally pushes the slide staple chamber to make the staple ejector eject the anastomosis staples. The prepuce anastomat has advantages of simple structure and improvement of surgical quantity and surgical comfort.

The invention relates to a walking cutting machine, and belongs to the field of cutting machines. The walking cutting machine adopts a technical proposal that the walking cutting machine comprises a motor, a transmission device and a cutter wheel. The walking cutting machine is characterized in that the motor, the transmission device and the cutter wheel are arranged on a machine frame; the lower side on the front part of the machine frame is provided with wheels, and the tail end of the machine frame is provided with the cutter wheel which is positioned on one side of the machine frame and extends out of the machine frame; and the upper part at the front end of the machine frame is provided with the motor, and an output shaft of the motor is connected with the cutter wheel through the transmission device. The walking cutting machine has the advantages of simple structure, convenient processing, low manufacturing cost and strong practicability, and is particularly suitable for small factories. The walking cutting machine also has small investment and convenient use. In order to conveniently push the cutting machine to lift and descend the cutter wheel, the machine frame is also provided with a handle.

The invention relates to a hot-rolled steel bar MG400 preparation method based on an electric furnace smelting resin anchor rod. The method comprises the following steps that S1, a pretreated steel billet is transmitted to a pre-rolling device through a first transmission device, is rolled by the pre-rolling device, and is transmitted to a position above a heating furnace through a second transmission device; S2, a pre-rolled steel billet is cut into a preset cut steel billet length through a cutting device arranged above the heating furnace, and the cut steel billet is injected into the heating furnace to be heated; S4, the rolled steel billet is cooled through a cooling device and then pulled to a straightening device to be straightened; and S5, a central control unit judges that a to-be-detected steel bar is subjected to mechanical property detection. The central control unit is arranged, and the preset cut steel billet length, the rolling force of the rolling device and the cooling efficiency are adjusted through the central control unit, so that the mechanical property of the produced steel bar meets the preset standard.

The invention discloses an efficient fish tofu slicing device, and relates to the technical field of fish tofu slicing processing, the efficient fish tofu slicing device comprises a rack, a guide plate is fixed on a vertical frame, a sliding frame is slidably mounted on the guide plate in a reciprocating manner, a transmission column is fixed on the sliding frame, and a plurality of cutting avoiding grooves distributed at equal intervals are formed in a storage container; slicing assemblies intermittently corresponding to the cutting receding grooves are installed at the bottom of the lifting plate, a driving assembly is connected to the rotating shaft, and the driving assembly is used for driving the storage container to slide in a stepping mode. According to the fish tofu slicing device, the driving effect on the slicing assembly is achieved through vertical reciprocating lifting of the lifting plate, the slicing assembly can slice fish tofu in the storage container while performing vertical reciprocating motion, and when the lifting plate drives the slicing assembly to move upwards and the rotating shaft rotates, the storage container can be driven by the driving assembly to move in a stepping mode, so that the slicing effect is improved. The automatic and orderly slicing operation of the fish tofu in the storage container is realized, and the slicing processing efficiency of the fish tofu is greatly improved.

The invention discloses a floating cutter based on lead screw transmission. The floating cutter comprises a rack which is provided with support frames, and the two support frames are provided, and located on the right and left sides of the rack separately; the upper end of each support frame is provided with a lead screw in a sleeving manner, and each screw rod is provided with a sleeve fixedly connected to a movable bracket; the tail end of each movable bracket is connected to a cutting device which is provided with a handle; and the left end of each lead screw is fixedly connected to a rocker. The cutting device can be moved through swing of the rocker horizontally, and the cutting length of the cutter is prolonged indirectly; and the cutting quality is improved, and the time and labor forces for moving materials during cutting are further saved.

The invention provides an adjusting device for a wire passing wheel of a wire cutting machine. The adjusting device comprises a long-bar-shaped sliding rail which is transversely arranged, a transverse moving sliding block and a fastening mechanism. The transverse moving sliding block is arranged on the long-bar-shaped sliding rail in a sleeving manner and can slide along the long-bar-shaped sliding rail. A threaded hole is formed in one side of the transverse moving sliding block, and the transverse moving sliding block is used for driving the wire passing wheel to move along the long-bar-shaped sliding rail. The fastening mechanism comprises a bolt and a pressing block, the pressing block is provided with a clamping groove matched with the outer side surface of the long-bar-shaped sliding rail, the bolt is screwed in the threaded hole of the transverse moving sliding block, one end of the bolt penetrates out of the transverse moving sliding block and is connected with the pressing block so that the pressing block can abut against the long-bar-shaped sliding rail, and the surface of at least one side of the clamping groove of the pressing block is in a rectangular shape. By meansof the adjusting device for the wire passing wheel of the wire cutting machine, the adjusting stability of the wire passing wheel can be improved, and free and fast moving, adjusting and positioning of the wire passing wheel are ensured, and the production efficiency is improved.

A comminution device comprises a plurality of first cutting elements having first serrated cutting edges disposed on a first circular path; a second cutting element having a second serrated cutting edge corresponding to the first serrated cutting edges for cutting through cutting material, the second cutting element being displaceable about an axis of rotation on a second circular path concentric with the first circular path. The second serrated cutting edge comprises a plurality of jags and each jag comprises a radially inner flank and a radially outer flank, each at an angle to the axis of rotation. A drive rotationally drives the second cutting element about the axis of rotation and an adjustment mechanism by which the plurality of first cutting elements and the second cutting element are displaceable relative to each other axially in the direction of the axis of rotation, that a cutting gap between them is adjustable.

The invention provides an aluminum profile cutting device which comprises a feeding table, a discharging table, a cutting machine, a laser ranging module, a side plate and a baffle. The feeding table comprises a feeding conveying belt, the discharging table comprises a discharging conveying belt, and the cutting machine is located between the feeding conveying belt and the discharging conveying belt. The laser ranging module is located on one side of the output end of the discharging conveying belt and right faces the baffle, the side plate is fixedly installed on the discharging table, a sliding way is arranged on the side plate, and the baffle is slidably connected with the sliding way and located above the discharging conveying belt. The accuracy of the cutting length of an aluminum profile can be improved, and the problems of low efficiency and large error caused by manual measurement and marking in the existing aluminum profile cutting are solved.