58results about How to "Achieve precise cutting" patented technology

The invention relates to an intelligent positioning method of tobacco bundles, which can rectify the position of the tobacco bundles, lighten the bundle-placing load of workers and improve the labor productivity of the workers after the bundles are placed by the workers. The tobacco stalks can be precisely positioned when the tobacco bundles are cut, and the precise cutting of leaves and stalks isachieved. The cut tobacco leaves and tobacco stalks are respectively conveyed into different devices for processing, the leaves and the stalks are precisely cut, and the problems of material blockage, uneven material flow, more shutdowns, low effective operation efficiency, and the like as the tobacco bundles are wound to each other and devices are wound in threshing are solved.

The invention discloses a cutting device for the production of automobile rubber tubes, which comprises a machine body and a frame. A sliding track is horizontally arranged on the top of the frame, and a sliding block is slidably installed on the sliding track. There is a hydraulic cylinder, the bottom end of the hydraulic cylinder is connected with the rotary motor through the piston rod, the bottom end of the rotary motor is connected with the cutting head through the rotating shaft, and a cooling liquid nozzle is arranged on one side of the cutting head, so A coolant tank is installed on the top of one side of the frame, and a cutting groove is arranged on the top of the body. The invention can realize the precise cutting of the pipe material, and the cutting effect is good. Through the cooling liquid nozzle provided on one side of the cutting head, the heat dissipation function of the cutting head can be realized, so as to avoid the overheating of the cutting head after working for a long time. Cutting effect, can reduce the dust generated in the cutting process, reduce pollution, and simple structure, easy to use, strong practicability.

The invention discloses an open pit coal mine DEM accurate cutting method considering local detail characteristics. The method comprises the steps of establishing the grid indexes of a triangular netto be cut and a cutting polygon; embedding the cut polygons into the triangular net; generating a cut TIN boundary; carrying out the TIN cutting. According to the present invention, on the basis of constructing the DEM to be cut and cutting the polygon grid index, performing the accurate interpolation on the cut polygon based on the to-be-cut TIN, and embedding the cutting polygon into a to-be-cutTIN, and according to the topological relation of the TIN triangular set in the cut polygon, constructing the cut TIN boundary, the triangulation network between the cut polygon and the cut TIN boundary is constructed by adopting an edge-first one-time CDT growth algorithm, the accurate cutting of the DEM described by the TIN is realized, and the experimental verification proves that the implementation method provided by the invention is high in efficiency and stable in operation, and has been successfully applied to the open pit coal mine digital mining design practice.

The invention relates to special processing equipment for a pole piece of a lithium battery pack of a shared battery electric vehicle. The processing equipment comprises a baseplate, wherein a support frame is arranged at the outer side of the left end of the baseplate; a 1# drive motor is arranged on the support frame through a motor base; an output shaft of the 1# drive motor is connected to a pole piece roll through a shaft coupling; the back end of the pole piece roll is arranged on a baffle through a bearing; the baffle is arranged on the support frame; a conveying mechanism is arranged at the middle of the baseplate; a guide plate which is inclined downward is arranged at the right end of the conveying mechanism; a shearing mechanism is arranged at the left end of the conveying mechanism; two transverse feed mechanisms are symmetrically arranged at the front side and the back side of the conveying mechanism; a connecting plate is arranged between the two transverse feed mechanisms; two pressing mechanisms are arranged on the connecting plate; and a collection box is arranged at the right end of the baseplate. According to the processing equipment, the difficulties of complicated operation and poor stability in the existing shearing process of the pole piece of the lithium battery can be solved and functions of precise cutting and stable conveying of the pole piece of the lithium battery can be realized.

The invention discloses a method for producing a prepreg. The method is specifically that undesirable edges are cut by adopting laser before material coating colloid is reinforced. By using the laser to cut the undesirable edges before the material coating colloid is reinforced, cut edges are not dipped into the colloid and can be recovered by material producing factories to be re-manufactured, the recycling purpose is achieved, and the using amount of the colloid is reduced. According to statistics and compared with traditional cutting method, 200,000 yuan of cost can be saved every year by adopting the method performing cutting while performing gum dipping, no dust cannot be produced in the cutting process of materials, the environment is protected and prevented from being polluted, and simultaneously good health of operating workers is also ensured.

The invention discloses a milling clamp for finely cutting large-scale double-curvature aircraft skin. The milling clamp comprises a positioning suction assembly (2), an auxiliary clamping plate positioning assembly and a base platform (7). The positioning suction assembly (2) is fixed on the base platform (7), the profile of the positioning suction assembly (2) is consistent with the profile of the aircraft skin, and an air extraction groove is arranged in the positioning suction assembly (2). The auxiliary clamping plate positioning assembly comprises an auxiliary clamping plate (3) and a positioning seat (8), wherein the positioning seat (8) is fixed on the inner side of the positioning suction assembly (2) and fixed on the base platform (7), and the auxiliary clamping plate (3) is fixed on the positioning seat (8). The positioning suction assembly (2) and the auxiliary clamping plate (3) are attached to the aircraft skin together. The base platform (7) is provided with a joint (5)which is connected with a vacuum pump and is used for vacuumizing a formed cavity. According to the milling clamp, full vacuum suction is adopted, compression of the aircraft skin and the milling clamp is achieved, displacement is not prone to being generated, the precision cutting quality is guaranteed, and precise shape cutting with no margin can be realized.

The invention relates to the field of part processing and particularly discloses a plate cutting device. The plate cutting device comprises a machine table and cutters, and further comprises a rotating conveying wheel and a limiting mechanism for limiting plates. The conveying wheel is rotationally installed on the machine table and is in contact with the plates. The machine table is provided witha plurality of cutter holes allowing the cutters to penetrate through, and the distances between the cutter holes and the limiting mechanism are different. The cutting device in the scheme can perform accurate cutting on the plates.

The invention discloses a cutting mechanism which comprises a mounting frame, a driving roller, a driven roller and a cutting device. The driving roller comprises a first roller body, a first rotating shaft and a one-way bearing; the first rotating shaft is rotationally connected with the mounting frame; the first roller body rotationally sleeves the first rotating shaft; the one-way bearing is arranged between the first roller body and the first rotating shaft; the driven roller is rotationally arranged on the mounting frame; the driven roller and the first roller body are arranged in a spaced mode to form a conveying channel used for conveying materials; the conveying channel has the feeding direction; the one-way bearing enables the materials to be conveyed in the feeding direction in a one-way mode; the cutting device comprises a cutting frame and a cutter; the cutting frame is connected with the first rotating shaft; the cutter is arranged on the cutting frame; the cutter and the first rotating shaft are arranged in a spaced mode; and the cutting frame drives the first rotating shaft to rotate and drives the cutter to be close to or away from the materials. According to the cutting mechanism provided by the invention, the cutting frame drives the first rotating shaft to rotate, so that material conveying and precise material cutting can be achieved; and power does not need to be additionally provided for the driving roller, the structure is simple, and the cost is low.

The invention relates to a ruler. With the ruler, paper can be cut conveniently, and hands are not hurt easily. The ruler comprises a ruler body; a slit is formed in the upper surface of the ruler body; guide rails are arranged on two sides of the slit respectively; sliding bodies are arranged in the two guide rails respectively; each sliding body comprises a sliding block and a stand column arranged on the sliding block, flanges are arranged at the top of the outer side surface of the stand column and at the bottom of the outer side surface of the stand column respectively, and an elastic device is arranged between the two flanges of the stand column; the ruler further comprises a connecting plate, a blade and a handle; the stand columns located on two sides of the slit are sleeved with two ends of the connecting pate respectively; each end of the connecting plate is located between the two flanges of the corresponding stand column; the top ends of the elastic devices make contact with the bottom surface of the connecting plate; the top end of the blade is fixedly arranged on the bottom surface of the connecting plate; the bottom end of the blade is arranged in the slit; the handle is fixedly arranged on the top surface of the connecting plate; and when the connecting plate is pressed to move downwards to the limit position, the bottom end of the blade extends out of the lower surface of the ruler.

The invention discloses an audio and video clipping method and device, wherein the method comprises the steps: obtaining a to-be-clipped audio and video file and in-out point data, carrying out segmentation of the to-be-clipped audio and video file according to an HLS protocol specification, and determining a first clipping segment serial number where the in-point time is located and a second clipping segment serial number where the out-point time is located according to the in-out point data of the to-be-clipped audio and video file; and taking the position of the in-point time in the audio and video segment file corresponding to the first clipping segment serial number as a starting point, taking the position of the out-point time in the audio and video segment file corresponding to thesecond clipping segment serial number as an ending point, and combining all the audio and video segment files between the starting point and the ending point to obtain a clipped target audio and videofile. The audio and video segment file appointed in an HLS protocol is generally about 10 seconds, so that the longest recoding time is the longest segment time of a single chip of the current HLS index file, the accurate clipping of the audio and video file is realized, the audio and video clipping time consumption is reduced, and the clipping efficiency is improved.

The invention discloses a new material cutting device with a protection function, and relates to the technical field of new materials. The device comprises a base, the upper surface of the base is fixedly connected with the bottom end of a third fixing rod, the top end of the third fixing rod is fixedly connected with the lower surface of a first driving device, a thread nut is in threaded connection with the outer wall of the first driving device, the upper surface and the lower surface of the thread nut are fixedly connected with the opposite faces of two connection rods, and the left ends of the two connection rods are both fixedly connected with the right side face of a supporting rod. According to the new material cutting device with the protection function, by means of the combined action of a first motor, a thread column, the thread nut, the connection rods, the supporting rod, a first sliding rod, a first sliding sleeve, a second electric push rod, a U-shaped plate, a second motor and a cutting blade, new materials are accurately cut, waste scraps are prevented from sputtering and injure people in the cutting process, and workers are protected.

The invention relates to a method for optimizing a top cycle oil flow rate of a catalytic cracking fractionating tower during a gasoline and diesel cutting process. According to the method, in order to improve the gasoline yield, a catalytic cracking fractionating tower dynamic model is established by utilizing an SIMIT simulation framework, and a distributed control system simulator is established. If an actually measured crude gasoline endpoint is less than a process card crude required value and exceeds a first predetermined value, operating parameters of the current fractionating tower areinput into the catalytic cracking fractionating tower dynamic model by means of the distributed control system simulator, so as to obtain a simulated crude gasoline endpoint and compare the simulatedcrude gasoline endpoint with the process card required endpoint, if the simulated crude gasoline endpoint is lower than the process card required endpoint and exceeds the first predetermined value, the top cycle oil flow rate in the operating parameters is increased by step-length, so as to update the simulated crude gasoline endpoint, the steps are circulated till the updated simulated crude gasoline endpoint is lower than the required endpoint and does not exceed the first predetermined value, thus the optimized cycle oil flow rate is obtained, and the optimized cycle oil flow rate is output.

The invention discloses tablet cutting equipment, comprising a working table, a cutting device mounted on the working table, a feeding device and a clamping device, wherein the cutting device comprises a driving mechanism and a wire, and is adapted to drive the wire through the driving mechanism for high-speed linear motion to cut a tablet; the feeding device is mounted on the working table and adapted to move relative to the working table; the clamping device is mounted on the feeding device, and the clamping device is adapted to clamp the tablet to be cut and adapted to feed relative to thecutting device under the driving of the feeding device to realize cutting of the tablet. The tablet cutting equipment disclosed by the invention has the advantages of simple structure, stable system and high cutting efficiency, and can cut the tablet in various ways.

The invention relates to a CO2 laser live conductor insulating sheath cutting system and method. A left optical path system and a right optical path system are symmetrically suspended at two sides of a live conductor through a suspending mechanism, and a CO2 laser is disposed below. The left optical path system consists of a left reflector group and a left galvanometer box, and the right optical path consists of a reflector group and a right galvanometer box. The first left reflector and the first right reflector are arranged vertically, wherein the lower one of the first left and right reflectors is provided with a reflector moving device. The CO2 laser, the left galvanometer box, the right galvanometer box and the reflector moving device are respectively connected with a control system. Through different physical burning characteristics of CO2 laser for rubber and metal and the guide effect of the galvanometer boxes on a laser beam, the double-optical-path system cuts H-shaped notches at two sides of the insulating sheath of a live conductor, and achieves the complete cutting of the insulating sheath through precise alignment. One CO2 laser is used for achieving the time-sharing operation of double optical paths, and can achieve the omnibearing remote monitoring.