278results about How to "Guaranteed cutting efficiency" patented technology

The invention relates to a redundant drive five degrees of freedom parallel machine tool with a large rotation angle. The redundant drive five degrees of freedom parallel machine tool with the large rotation angle includes a fixed platform, a movable platform for installing a main shaft head and a first driving branch, a second driving branch, a third driving branch and a fourth driving branch forconnecting the fixed platform and the movable platform, the structures of the first driving branch and the second driving branch are similar, and the first driving branch includes a hooke hinge, a servo driving unit, a revolute pair and a compound sphere hinge; the third driving branch includes a hooke hinge, a servo driving unit and a compound sphere hinge, the fourth driving branch includes a revolute pair, a servo driving unit, a hooke hinge and a revolute pair, and the movable platform of a machine tool and the four driving branches are hinged to form a space closed-cycle parallel mechanism; and the three-dimensional translation and the two-dimensional rotation of the space can be achieved by controlling six servo motors to drive the four branches. The redundant drive five degrees offreedom parallel machine tool with the large rotation angle has the advantages that the branch structures are simple and compact, the orientation workspace is large, the flexibility is high, the rigidity is large, and the singular configuration can be prevented, and can be used for high-speed, high-precision and efficiency machining for free-form surface in complex space.

The invention belongs to the technical field of laser processing, and discloses a laser processing method of high molecular workpieces. Two laser cutting heads irradiate the workpieces with two laser beams with different power values, the high-power laser beam moves along a processing track of the workpieces to cut the workpieces by a certain distance, and then the low-power laser beam moves along the processing track of the high-power laser beam for cutting. The invention further discloses two laser cutting systems for realizing the laser processing method, one laser cutting system comprises two laser oscillators, two laser drivers, two industrial personal computers and the two laser cutting heads, and the high-power laser beam and the low-power laser beam can independently controlled to be transmitted; the other laser cutting system comprises a laser oscillator, a laser driver, an industrial personal computer, the two laser cutting heads and a beam splitter used for splitting a laser beam transmitted by the laser oscillator to a high-power laser beam and a low-power laser beam.

The invention relates to a simple broken-line scaling supersonic nozzle used for digital controlled laser cutting, which comprises a parallel segment, a shrinkage segment, a throat part and an extension segment. The extension part is a straight line segment; the ratio between the entry radius R0 of the shrinkage segment and the radius Rc of the throat part is determined by the entry mach number M0 of the shrinkage segment, the mach number Mc of the throat part and an aerothermodynamic factor K; the ratio between the exit radius R1 of the extension segment and the radius Rc of the throat part is determined by the exit mach number M1 of the extension segment, the mach number Mc of the throat part and the aerothermodynamic factor K; when R0/Rc is equal to a constant, and R1/Rc is equal to a constant, the exit mach number of the supersonic nozzle is kept as a fixed value under the action of gas pressure. When the supersonic nozzle conducts digital controlled laser cutting, the air stream sprayed from the nozzle is uniform, and the mass flow rate and the momentum are large, thereby effectively blowing off molten metal and other slag. Furthermore, the cut is narrow and tidy, without adhering slag staying on the edge of cutting seam, and the cutting quality and efficiency are obviously improved.

The invention discloses a kind fiber curtain cloth automation cut machine assimilate and meet system control method, the system including guide equipment, store cloth equipment, transmission and cut equipment, curtain, acetabula frame, assimilate and meet pull equipment, assimilate and meet control equipment, the control method is though the acetabula assimilate and test the curtain cloth by laser, the test signal drive the acetabula all data service mode change (speed mode and position mode)to achieve accumulate confirm length and pull slot, test edge automatism, to achieve accumulate assimilate and meet. This method is the integrate and comprehensive of the advanced technology. Its form is simple and run accumulatly and reliable, use and maintain easy.

The invention discloses an efficient cutting device for rubber synchronous belt corner cutting. The efficient cutting device for rubber synchronous belt corner cutting comprises a cutting table; corner crushing through holes are formed in the two side table surfaces of the cutting table; a fine material collecting box is placed on the bottom end ground of a fine material charging hopper; a crude material collecting box is correspondingly placed on the ground rightly below the right side of a right side followup rotating wheel; guide sliding channels are respectively formed in the left side wall and the right side wall of a box body of a lifting buffer box; and a compression buffer spring sleeves a rod body of a support frame rod between the top side wall of an inner cavity of the lifting buffer box and the upper surface of a plate body of a movable slide plate. Cut leftovers can be smoothly classified and collected, so that the problem of untidy table surface caused by accumulation ofthe leftovers on the worktable is prevented, and meanwhile, the problem of unsuccessful cutting caused by deviation of a belt body is prevented; the rubber synchronous belt cutting effect is improved;and the cutting efficiency is guaranteed.

The invention discloses a copper comprising a shell, a direct current motor, a blade, a battery and a control device, wherein the direct current motor is connected to the shell and is provided with a motor shaft; the blade for cropping is connected to the motor shaft and is provided with at least one cutting edge; the battery is installed in the shell and provides energy for the direct current motor when the cropper works so as to drive the blade to rotate at one cutting speed; and the control device fixes the cutting speed to at least one preset constant revolving speed.

The invention relates to the technical field of packing ropes, in particular to a novel automation rope fixed-length cutting-off device. The novel automation rope fixed-length cutting-off device comprises a supporting mechanism, an adjusting mechanism, a rope winding mechanism, a cutting mechanism, a collecting box and a rotating column. According to the novel automation rope fixed-length cutting-off device, the rope is winded on connection rods through the rope winding mechanism, the perimeter of each circle on a column body formed by the connection rods is the same, the length of the rope isconverted into the perimeter of the column body formed by the rope and the connection rods through winding, so that the fact that the length of each section is the same after the rope is cut off is guaranteed, the length of the rope after cutting can be guaranteed to be the same no matter which position the cutting is performed on after the rope is winded on the connection rods, the rotating column is driven by a stepping motor, the fact that adjusting discs will not block a moving rack all the time is guaranteed, the cutting safety is guaranteed, in addition, a cutting piece rotates all thetime to guarantee the cutting efficiency, the moving rack is driven to perform reciprocating motions through a speed adjusting motor, the cutting is conveniently performed, the rope can fall into thecollecting box when the cutting is finished, rope scattering is avoided, the whole process is quite easily automated, and the rope fixed-length cutting-off efficiency is greatly improved.

The invention discloses an anti-deformation cutting device of a metal hose. The rotation speed of a cutter body is 0.5N times of the rotation speed of the metal hose, wherein N is a positive integer,and the cutter body only rotates one round; the two ends of the metal hose are placed into a cylindrical placing box with the middle part being hollow, the placing box is provided with four through holes, the through holes are in threaded connection with connection rods, the two ends of the connection rods are at outside of the through holes, the ends, in the placing box, of the connection rods are connected with connection plates, the connection plates on the four connection rods form a hollow cylinder, the connection rods rotate in the through holes to adjust the distance between the connection plates and the inner wall of the placing box, and the metal hose is fixed into the hollow cylinder composed of the four connection plates. The device can effectively relieve the stress when cutting the metal hose to prevent the metal hose from deforming in the cutting process, and thus the metal hose is more convenient to use for a long time.

The invention provides an automobile engine hood stamping die waste removing device. The automobile engine hood stamping die waste removing device comprises a product placement seat; a stamping die isarranged above the product placement seat, and the upper end of the stamping die is provided with a stamping air cylinder; the product placement seat is provided with a waste blowing pipe, an air blower is arranged beside the product placement seat, and the waste blowing pipe is connected with the air blower through a pipeline; and the stamping air cylinder is provided with a position sensor, theair blower is controlled to work through the position sensor so that the waste blowing pipe can be driven to discharge waste. Stamping is conducted on a product placed on the product placement seat through the stamping die, in addition, the waste blowing pipe is driven by the air blower to discharge the waste, the position of the stamping die is judged through the position sensor, air blowing isstopped during stamping and started again after stamping is completed, on the premise that the waste discharging efficiency is ensured, the energy source using amount is decreased, and the productioncost is reduced.

The invention provides a numerical control laser cutting machine, and relates to the technical field of laser cutting, the numerical control laser cutting machine comprises a fixing frame, a conveying device and a laser cutting device, the fixing frame is provided with the conveying device, and the conveying device is provided with the laser cutting device; in addition, the numerical control laser cutting machine can solve the following problems that a, after a plurality of products are cut on a plate through an existing numerical control laser cutting machine, the products can be clamped at notches of the plate and cannot be separated from the plate through the dead weight, so that the cut plate needs to be subjected to secondary treatment manually, and the cutting efficiency of the numerical control laser cutting machine is seriously affected. And b, a large amount of smoke can be generated in the process of cutting plates by the existing numerical control laser cutting machine, the whole working environment can be seriously polluted after long-time laser cutting, and meanwhile, miscellaneous slag and fire generated in the cutting process can be splashed everywhere.

The invention discloses a laser cutting device capable of achieving three-dimensional cutting based on complex workpieces. The laser cutting device comprises a main machine body; a working cavity withan opening facing upwards is formed in the main machine body; a control mechanism is arranged between the inner walls of the two sides of the working cavity; the control mechanism comprises a laser head which can emit cutting laser and can be moved back and forth or left and right through the control mechanism; the working cavity is provided with a clamping mechanism; and the clamping mechanism is located on the lower side of the control mechanism. The laser cutting device can be used for laser cutting of the complex workpieces, a costly multi-dimensional laser cutting head does not need to be used, three-dimensional laser cutting can be achieved by adding some simple clamping members under the two-dimensional laser cutting condition, and the cost is effectively reduced while the cuttingefficiency and product quality are ensured.

The invention relates to a backwind-preventing high-pressure-difference-resisting rotary feed valve. An empty side of a feed valve housing is provided with two symmetric exhaust vents; high-pressure air leaked from a high-temperature pipeline to the empty side can be exhausted via the two exhaust vents in time to prevent upward backwind of the high-pressure air so that a material inside a hopper is prevented from being lifted, failing of normal discharging is prevented, thus the problem about influences on the discharging efficiency is solved, and damages, caused by the high-pressure air accumulated inside the housing, of a sealing ring are prevented as well; the end part of a rotary impeller is connected with a soft wear-resisting bar; the wear-resisting bar makes close contact with the inner wall of the housing so as to realize sealing between rotary blades and the inner wall of the housing and prevent air leakage from affecting the discharging; a scraping brush arranged on the feedvalve housing can be used for scraping away residual materials between the wear-resisting bar and the inner wall of the housing so as to prevent the sealing between the rotary impeller and the inner wall of the housing, and therefore the feed valve provided by the invention solves the problems about backwind and leakage of the air inside the feed valve, improves the conveying efficiency of air transportation and achieves great popularization and application values.

The invention provides a carton cutting method based on time division method cutting knife tangent following control. The carton cutting method comprises the following steps that step one, an upper computer issues a PLT file to a controller; step two, the controller reads PLT file graphic information, wherein the PLT file graphic information is composed of multiple straight lines and circular curves; and step three, whether the current cutting line is a straight line or a circular curve is judged, 3.1) if the current cutting line is the straight line, cutting is performed according to the existing method; and 3.2) if the current cutting line is the circular curve, a cutting knife is rotated to a position tangent with a circular start point firstly, the start angle of the cutting knife is determined, a circular curve tangent following motion model is determined, and the feed amount of an X-axis and Y-axis knife rotation shaft of each interpolation cycle is determined by adopting a circular time division method so that tangent following of the cutting knife can be realized. According to the carton cutting method based on time division method cutting knife tangent following control, the carton cutting method can enhance control precision and has great stability.

The invention provides a decorative laminated board cutting device. The decorative laminated board cutting device includes a conveying mechanism, a cutting mechanism, a limiting mechanism and a driving mechanism. The conveying mechanism is provided with a space for placing laminated boards, the cutting mechanism is positioned above the conveying mechanism, the driving mechanism is connected with the cutting mechanism and drives the cutting mechanism to run, and therefore the cutting mechanism can conduct cutting treatment on the laminated boards on the conveying mechanism; the limiting mechanism is positioned between the conveying mechanism and the cutting mechanism and makes the laminated boards stay at the same position on the conveying mechanism. A group of annular blades are installedon a cutting shaft of a cutting device and used for cutting the laminated boards placed on a stainless steel conveyor belt, wherein only one laminated board can be cut at a time, and therefore the laminated boards are prevented from being bonded to one another. Meanwhile, since the annular blades are arranged, each laminated board can be cut into a preset size at a time, and the conveyor belt cancontinuously transfer the laminated boards, the cutting work is not paused, the cutting efficiency is ensured, improvement of the working efficiency is facilitated, and the quality of products is improved.