64results about How to "Short cutting time" patented technology

The invention relates to the field of pipe material feeding, in particular to a rotary centrifugal multi-blade cutting machine. The machine comprises a machine base and a cutting unit; the machine base comprises a motor, a control panel, a driving gear, an auxiliary gear, a supporting gear and a supporting bearing; the cutting unit comprises a gear cutter head, a knife seat mechanism, a centrifugal mechanism and a connecting rod, various sliding grooves are formed in the surface of the gear cutter head for respectively mounting the knife seat mechanism and the centrifugal mechanism, the knifeseat mechanism includes a base, a cutter head sliding block, a blade, a return spring, a limit block and the like, the cutter head sliding block is connected to the base through a sliding through, a circular groove formed in the middle after connection is used for mounting the spring, and the connecting rod is connected to the cutter head sliding block and the centrifugal mechanism. The structureof the machine is simple, only a single motor is required to drive the cutter head to rotate, the centrifugal force of the centrifugal mechanism is converted into the axial cutting force of the bladeduring the rotary cutting process, no other power is provided, the blade replacement is convenient, the contact area of the annular blade and a pipe material is large, and the quality of the incisionis ensured.

The invention relates to the field of asphalt. A rubber alloy modifier is obtained with untreated waste plastics and waste tire rubber powder as main raw materials. Modified asphalt which does not affect the rubber/plastic independent modification effects and has good asphalt storage stability and simple production process is finally obtained by utilizing the modifier to modify asphalt. The modified asphalt can be applied to continuous dense gradation of an asphalt mixture. On the premise that the high-and-low temperature performance of the mixture meets the requirement, the water stability is obviously improved, thus achieving effective treatment of two types of polymer waste pollutants such as waste tire rubber powder and waste plastics and change of asphalt properties.

The invention relates to the field of asphalt additives and provides a rubber and plastic alloy asphalt modifier. The rubber and plastic alloy asphalt modifier is mainly made of untreated wasted plastic particles and wasted tire rubber powder and does not damage the individual modification effect of rubber and plastic. The rubber and plastic alloy asphalt modifier is good in asphalt storage stability performance and simple in the production technology. Rubber and plastic alloy modified asphalt manufactured with the rubber and plastic alloy asphalt modifier is applicable to continuously densely prepared asphalt blended materials. Under the condition that the high-temperature and the low-temperature performance of the blended materials can meet the requirements, water stability is obviously improved and two kinds of macromolecule wasted pollutants including wasted tire rubber powder and wasted plastic are effectively processed.

The invention discloses a method for cutting a high-power power electronic device by an invisible laser. The high-power power electronic device comprises an epitaxial layer with a substrate of semiconductor materials and is formed in the surface of the substrate. The method for cutting a chip of the high-power power electronic device comprises the steps that an invisible laser scribing is conducted on the back side of the substrate of the high-power power electronic device, and then a front splinter is conducted by a splinter machine according to scratches in the inner portion. The depth of the scratches in the inner portion is about one tenths to a half of the thickness of the chip. The method for cutting a wafer of the high-power power electronic device by the invisible laser uses a method of cutting the to-be-cut inner portion of the chip by laser beam focusing, the laser beam is adopted to cut the inner portion of the high-power power electronic device, and a laser energy region is located on the lower half portion of the chip and namely is close to a substrate region. The laser invisible cutting is adopted, so that an active region of the front side of the chip is furthest guaranteed, the front side of a region is not broken, the device with a neat edge is obtained, and the productivity and the reliability of the chip with a large region are highly improved.

The invention discloses an automatic diamond grinding wheel trimming device which is mainly composed of a working table, a chuck and a cylinder body. The chuck is fixed below an upper top plate of the working table and comprises a small bevel gear (11) and a big bevel gear (12) which are meshed with each other. The big bevel gear is connected with a sliding block (15). An energy converter (9), an amplitude-change pole (13) and a diamond stylus (14) are arranged on the sliding block. The energy converter is connected with an ultrasonic generator. A ball screw penetrates through a fixed supporting plate to be connected with a servo motor. A guide shaft penetrates through a movable supporting plate to be connected with an upper cylinder body and the fixed supporting plate. A three-phase asynchronous motor is connected with a grinding wheel (23) through a main shaft. One end of a circuit board is connected with a proximity switch, and the other end of the circuit board is respectively connected with the servo motor and the three-phase asynchronous motor. By means of the automatic diamond grinding wheel trimming device, ultrasonic elliptic vibration of the diamond stylus can be achieved, machining efficiency and machining accuracy of the grinding wheel are improved, rigidity and stability of a cutting system are enhanced, the service life of the diamond stylus can be prolonged, and the automatic diamond grinding wheel trimming device is relatively suitable for trimming grinding wheels made of hard materials.

A cutting machine 10 includes an upper blade 12A and a lower blade 12B installed at upper and lower positions, and resilient members 19A, 19B installed on both sides of the blades and protruding more than the blades for supporting a hard plastic sheet 7 during cutting. The resilient members installed on both sides of either of the upper and lower blades include a resilient member at a section near the blade and a resilient member at a section far from the blade, and the hardness of the resilient member at a section near the blade is different from the hardness of the resilient member at a section far from the blade.

The invention discloses a tracking plate shearing machine for transverse plate shearing and belongs to the field of metal plate shearing machinery. The tracking plate shearing machine comprises a shearing and walking device, an extensible belt device and a turnover belt device, wherein a driving system of a walking device of a shearing mechanism adopts a structure that a servo motor is matched with an accelerating air cylinder, a load is reduced during starting, starting is quick, the air cylinder absorbs inertia during returning, and positioning of a parking position is accurate. Extensible belts move with a shearing mechanism, receive sheared plates and ensure plate surface quality. The multiple extensible belts are driven simultaneously and can be independently tensioned. When a turnover belt normally works, the turnover belt is horizontal and immovable and downwards turns over during air cylinder action when a sample is needed to be taken, offline material taking is achieved, a unit is not needed to shut down, and the working efficiency is improved.

The invention discloses a plasma cutting device and method for an underground oil casing. The plasma cutting device comprises an electrode, an electrode feeding mechanism and a guide shoe, the electrode is fixed to the electrode feeding mechanism, the electrode is arranged outwards in the radial direction, the guide shoe is connected to the axial lower end of the electrode feeding mechanism, and the electrode and the electrode feeding mechanism are both connected with a cable; the upper end of the electrode feeding mechanism is connected with a rotating mechanism; the upper end of the rotatingmechanism is connected with an upper centering mechanism; and a lower centering mechanism is further connected between the guide shoe and the electrode feeding mechanism. Strings are cut, the cuttingefficiency is high, and the success rate is high.

The present invention discloses a scaffold (1), which comprises an inner scaffold body (2) and an outer scaffold body (3); wherein, the inner scaffold body (2) is arranged close to a building; the outer scaffold body (3) is arranged away from the building; small cross rods (4), which are arranged between the outer scaffold body (3) and the inner scaffold body (2), connect the outer scaffold body (3) and the inner scaffold body (2) together; the material of at least part of the inner scaffold body (2) is different from the material of the outer scaffold body (3); and moreover, the rigidity of the material of the outer scaffold body (3) is not less than the rigidity of the material of the inner scaffold body (2). Given that the outer scaffold body of the scaffold plays a main role in bearing and that the inner scaffold body is not a main bearing part, the outer scaffold body needs to be constructed with highly rigid material, while at least part of the inner scaffold body can adopt material with relatively low rigidity and strength, and thereby, the construction cost of the scaffold can be reduced. In the preferred embodiment of the scaffold, the inner scaffold body is made of material which can be easily cut, so a manual tool can easily cut the inner cross rods and/or inner upright rods of the inner scaffold body, and therefore construction is convenient.

The invention provides a magnesium oxide board cutting and separating device which comprises a conveying assembly, a cutting assembly and a separating assembly. The conveying assembly is used for conveying magnesium oxide boards of different width specifications, and meanwhile, a photoelectric sensor is used for detecting the moving speed and inclination degree of the magnesium oxide boards. The position of the cutting assembly is adjusted in real time according to the inclination degree of the magnesium oxide boards so that the magnesium oxide boards can be cut. The separating assembly is used for separating cut magnesium oxide boards. The magnesium oxide board cutting and separating device is simple in structure, high in automation degree, high in magnesium oxide board cutting efficiency, and suitable for cutting and separating the magnesium oxide boards of different width specifications and different length specifications.

The invention discloses a lightweight image automatic clipping system and method based on deep reinforcement learning. The system comprises an environment, an action space and an agent embedded in theenvironment, wherein the environment provides current observation for the intelligent agent, calculates an actual reward value of a cutting action, executes the cutting action on a current observation image, and updates the current observation; the intelligent agent comprises a pre-trained convolutional neural network MobileNetV2 model and two full connection layers and is used for extracting image features and outputting a clipping action value and an estimated state value. The action space provides an actual cutting action for the environment according to the cutting action value output bythe intelligent body; the intelligent agent can automatically learn how to make a sequence clipping action, an IOU value calculated through the environment is used as a reward function, and SOTA performance can be achieved with fewer clipping steps and shorter clipping time.

The invention relates to a bituminous concrete cutting device which comprises a bottom plate. Four first universal wheels are symmetrically installed on the lower end face of the bottom plate. A handrail is mounted at the left end of the bottom plate obliquely. A drive motor is mounted on the front side of the bottom plate through a motor base. A drive gear is mounted on a drive shaft of the drive motor through a key. The drive gear is engaged with a driven gear which is mounted on a rotary shaft through a key. The two ends of the rotary shaft are symmetrically mounted on two support seats through bearings. The two support seats are mounted on the lower end face of the bottom plate through screws. Three cutting blades are evenly mounted on the rotary shaft. Three mud stop frames are arranged at the edges of three cutting ports in the bottom plate correspondingly. A motor waterproof jacket is mounted on the front side of the bottom plate through screws. Branched cooling chains are mounted on the right side of the upper end face of the bottom plate. According to the bituminous concrete cutting device, the function that a plurality of cutting blades can be used for cutting simultaneously is achieved; the cutting device has the advantages of being short in cutting time, high in cutting speed and working efficiency and the like; and the reciprocating cutting frequency is remarkably decreased, and the labor intensity is relieved.

The invention relates to a cutting device for a metal can body. The cutting device comprises an operating platform, an operating rod and a sample protective sleeve, wherein, the operating platform is internally equipped with a motor-driven rotating saw blade; the operating rod is hinged on the operating platform through a mounting base; the sample protective sleeve is fixedly arranged on the operating rod; and one end of the sample protective sleeve corresponds to the part of the rotating saw blade exposed out of the operating platform. The cutting device for the metal can body has the advantages of simple structure, scientific and reasonable design, long service life, short cutting time, high efficiency, good quality and high safety and reliability, and is simple to manufacture.

The invention discloses a rod and wire rod continuous casting and direct rolling process without a heating furnace, and belongs to the technical field of rod and wire rod production processes. According to the rod and wire rod continuous casting and direct rolling process without the heating furnace, heating-free direct rolling without the heating furnace is adopted, so that fuel is saved and energy consumption is reduced; secondary heating of a steel billet is avoided by adopting the direct rolling, and oxidation burning loss is reduced by 0.6% or more; a hydraulic shear is adopted in the process of continuous casting blank cutting, the shearing time is short, the temperature loss of a casting blank is reduced, the gas consumption is reduced, and the cost is saved; a heat preservation roller table is adopted, so that the temperature loss is reduced, the surface temperature of the continuous casting blank before entering a continuous casting cooling bed is guaranteed to be 1,000 DEG Cor above so as to facilitate the direct rolling process; and by adopting the design without the heating furnace, the influence on steel rolling production when the heating furnace is stopped for maintenance is reduced.

The invention relates to an EVA lining foam packaging material slitting processing machine and a processing technology. The EVA lining foam packaging material slitting processing machine comprises a frame body, a jacking device, a discharging device and a slitting device, wherein the discharging device is installed at the upper end of the right side of the interior of the frame body; the slittingdevice is arranged at the left side of the discharging device; the lower part of the discharging device is connected with the jacking device; and the jacking device is placed at the bottom of the frame body. The EVA lining foam packaging material slitting processing machine can solve the problems that in a traditional foam packaging material slitting mode, a mechanical cutter is manually controlled to slit foam packaging material plates, and only one foam packaging material plate can be cut at a time, so that the labor intensity of slitting personnel is increased by the slitting mode, the slitting time is relatively long and the slitting efficiency is low.

The invention discloses an automatic coiler feeding machine, comprising a rack, wherein one end of the rack is a piping feeding end, and the other end of the rack is a discharging end; a first guide wheel group and a second guide wheel group are successively arranged between the feeding end and the discharging end; the second guide wheel group is connected with a longitudinal cylinder; the first guide wheel group is connected with a lateral cylinder which pushes the first guide wheel group along the piping forwarding direction; each guide wheel group comprises a bottom support and one pair ofguide wheels symmetrically installed on the bottom support; a base is provided with guide wheel mounting columns corresponding to the guide wheels; bearings are arranged between the guide wheels and the guide wheel mounting columns; the piping passes between the two guide wheels; the guide wheels mutually press the piping; the discharging end is provided with a cutter mechanism for cutting off the piping; the feeding end is provided with an eddy current flaw detector for detecting the welding line of the piping; the eddy current flaw detector is connected with the controller; and the controller controls the cutter mechanism to cut the piping in the welding line of the piping. According to automatic coiler feeding machine, coiler quality is improved, mechanical automation can be realized, labor force is saved, and the automatic coiler feeding machine has the advantages of high production efficiency and the like.

The invention discloses a high-precision furniture plate fixed-length cutting device comprising a platform. An auxiliary mechanism and a storage mechanism are installed on the platform, two vertical rods are fixedly installed on the platform, a lifting rod is installed between the two vertical rods through a sliding mechanism, and a sleeve is slidably arranged on the lifting rod in a sleeving mode. A scale cross rod is installed between the sleeve and the lifting rod through a positioning mechanism, a telescopic rod is fixedly installed on the sleeve through a fixing disc, a cutting disc is rotatably installed on the telescopic rod through cooperation of a magnetic disc and a servo motor, and a magnetic ring matched with the magnetic disc is fixedly installed on the fixing disc. The high-precision furniture plate fixed-length cutting device has the advantages that accurate longitudinal and transverse cutting can be conducted on furniture boards on the premise that the furniture boards are not moved or turned over, multi-angle inclined cutting can also be conducted on the furniture boards, the overall cutting efficiency is high, and the cutting range is wide.