35results about How to "Large feed" patented technology

The invention provides a numerical control opposite-direction slot milling machine which comprises a machine tool base, wherein a numerical control working platform is arranged in the middle of the machine tool base; the numerical control working platform is provided with a fixture body; a left numerical control sliding table and a right numerical control sliding table are respectively and symmetrically arranged on the two sides of the numerical control working platform; the left numerical control sliding table and the right numerical control sliding table are provided with a left machine tool body and a right machine tool body, respectively; vertical guide rails of the left machine tool body and the right machine tool body are respectively provided with a left milling head and a right milling head which are connected with a left driving motor and a right driving motor, respectively. The numerical control opposite-direction slot milling machine adopts symmetrical two-way numerical control for simultaneous feed cutting, and solves the three technical problems that machining time is long caused by the factor that a symmetrical slot in the other side can be machined only by retracting and overturning a tool after one slot is machined, large feed amount is not available caused by uneven stress of parts due to single-sided milling, and the degree of automation is low when a large-thickness symmetric slot is milled by a universal milling machine.

The invention belongs to machines for manufacturing paper boxes, cartons, envelopes or paper bags, and particularly discloses packaging box production equipment which comprises a machine frame. A diecutting rule, a driving mechanism used for driving the die cutting rule and a placing table for placing materials are arranged on the machine frame, the die cutting rule is located above the placing table, the upper end face of the placing table is provided with a groove matched with the die cutting rule in shape, a filling portion is connected to the interior of the groove in a sliding mode, theshape and size of the filling portion are the same as those of the die cutting rule, a pressing spring is arranged between the filling portion and the bottom face of the groove, an a paper scrap collection mechanism is arranged in the placing table and driven by the filling portion. The problem that when paper boards are subjected die cutting in the prior art, the paper boards cannot be completelycut off is solved.

The invention provides a two-rotation and one-move series-parallel parallel driving swing head mechanism with follow-up constraint. The two-rotation and one-move series-parallel parallel driving swinghead mechanism comprises a mounting frame, a stretching-out body, a first stretching-out cylinder, a second stretching-out cylinder, a first linear driving unit, a second linear driving unit, a thirdlinear driving unit, a first connecting rod, a second connecting rod, a third connecting rod, a movable platform and an electric spindle. A parallel connection part of a series-parallel swing head only comprises two main driving branches and one follow-up constraint branch, thus compared with a parallel connection machining head with four or more moving branches, the number of branched chains issmall, and the two-rotation and one-move series-parallel parallel driving swing head mechanism has the characteristics of compact structure, high rigidity, large working space and good dynamic performance.

The invention provides a preparation method of a cutting fluid for metal processing. The preparation method comprises the following steps: firstly, mixing materials; then carrying out three-stage cooling; and finally, putting a formed mixture into a reaction kettle for a reaction. Compared with the preparation process of a traditional cutting fluid, the preparation method of the cutting fluid comprises the two extra steps of three-stage cooling and reaction in the reaction kettle; graphene, hollow carbon nanospheres and ceramic micro-powder are subjected to three-stage cooling, a mixed solution having undergone the three-stage cooled is put into the reaction kettle for the reaction, and under the combined action of three-stage cooling and the stirring reaction of the reaction kettle, uniform dispersion of the graphene, the hollow carbon nanospheres and the ceramic micro-powder in the cutting fluid can be promoted; and meanwhile, covalent bonds are formed among all the components of thecutting fluid, so the cooling and lubricating properties of the cutting fluid are further improved, the feeding amount of a cutter can be increased, machining precision and quality are improved, theservice life of the cutter is finally prolonged, the possibility of cutter breaking and blade breaking is greatly reduced, and production cost can be reduced.

The invention relates to an end-cut turning tool, comprising a tool bar and a tool bit, wherein the front end of the tool bar is triangular, the tool bit is fixedly connected with the front end of the tool bar, and a cutting edge is arranged on the tool bit. The end-cut turning tool is characterized in that the width of the tool bit is 0.2-4mm, a certain included angle is formed between the front end face of the tool bit and a horizontal plane, and an included angle between a plane, on which the cutting edge is located, and the horizontal plane is 10-40 degrees. The end-cut turning tool disclosed by the invention has the advantages of large feed amount, high cutting efficiency and long service life.

The present invention provides a large-scale environment-friendly vertical multifunctional three-dimensional numerical control engraving machine. As an improvement to the existing large-scale engraving machine, the feed amount of the Z-axis engraving distance from the central axis is increased, and the distance between the engraving tool of Z and the central axis is increased by Y. The crossbeam replaces the front and back moving feed, the Z feed stroke moves within the width of the column, and the Y beam has a self-weight of about 3 tons, so that it moves back and forth to cut large-scale carving blanks (up to 3 meters high * 3 meters wide or more) compared with the current market. The machine has good stability, high precision, superior mechanical strength and speed, and the processing speed is increased by about 3-5 times. When cutting the blank, combined with NC control multi-axis programming post-processing path, the excess material of the blank is divided into blocks After cutting, the remaining materials are used for secondary processing and utilization, and there is also a purification pool to purify sewage for recycling, so as to avoid water pollution and waste of water resources. The invention not only reduces noise and dust pollution, but also makes the whole more perfect.

The invention relates to a numerically-controlled pendulum shaft milling-grinding machine tool, and mainly solves the problems of low machining efficiency and instable accuracy during machining for large-diameter optical lenses, of an existing milling-grinding machine tool. The numerically-controlled pendulum shaft milling-grinding machine tool is characterized in that a pendulum shaft drive mechanism (7) and a vertical feeding mechanism (8) are connected to a milling-grinding head (1); and a horizontal feeding mechanism (5) and a rotary drive mechanism (9) are arranged on a workbench (3) respectively. The numerically-controlled pendulum shaft milling-grinding machine tool is high in rigidity, and capable of increasing the feeding amount on the basis of ensuring machining accuracy, thus increasing the machining efficiency and improving the machining accuracy of the machine tool.

The invention relates to a milling cutter, comprising a cutter handle and a cutter bit. The milling cutter is characterized in that the cutter bit is of a hollow spiral structure, and a plurality of spiral grooves are formed on the surface of the cutter bit. The milling cutter provided by the invention is light and quick for cutting, large in feed amount and good in chip discharging effect.

The invention discloses a method for machining a vane of a graphite vane pump. The method comprises a step (1) of cutting, a step (2) of ablaengen, a step (3) of location hole drilling, a step (4) ofslitting, a step (5) of polishing and a step (6) of slicing. According to the method, vane machining precision can be ensured, the machining cycle is shortened, production efficiency is improved, andthe rate of finished products is high. In addition, the invention further discloses a special sawing machine clamp and a special milling machine clamp used by the machining method. The special sawingmachine clamp has very high adsorption capacity, and it is ensured that a graphite strip unit does not move in the process of forming the graphite strip unit; and by adopting the special milling machine clamp, a plurality of vanes can be machined, and machining efficiency is improved.

The invention discloses an intelligent speed adjusting system for automatically adjusting the feeding speed according to a material saw cutting face, and relates to the field of intelligent speed adjusting systems. For the problems that according to an existing turning sawing machine speed adjusting system, manual speed adjustment is manually conducted, time and labor are wasted, and accurate speed adjusting cannot be achieved, the following scheme is provided at present, the intelligent speed adjusting system comprises a servo motor, a plurality of first bolt holes are formed in the right side face of the servo motor, a coupler is fixedly connected to the output end of the servo motor, second bolt holes are formed in the upper surface of the coupler, a speed adjusting device installing base is arranged on the right side of the servo motor, the left side face of the speed adjusting device installing base is provided with a plurality of third bolt holes, first bolts are arranged on theright sides of the first bolt holes, a plurality of fourth bolt holes are formed in the upper side and the rear side of the speed adjusting device installing base, and a photoelectric sensor is arranged in the speed adjusting device installing base. According to the device, the service life of a saw belt is prolonged, and the saw cutting efficiency is improved.

Four or more concentric rings are vertically separated from each other by placement along the vertical axis of four support members. The circular construction accommodates hay bales for feeding animals. The openings between the concentric circles are defined by their placement along the vertical axis of the support members. The structure may be comprised of one or more sections that may disassembled for relocation. Alternatively, the system may be of a unitary construction.

The invention discloses a groove milling method and a high-speed milling cutter device. The groove milling method comprises the steps that at least two cutters in a cutter set on a milling cutter turntable rotate along with the turntable, and the workpieces are sequentially cut; and in the same cutter set, the cutting ranges of every two adjacent cutters in front and back are staggered in the width direction of the groove milling and partially overlapped. The high-speed milling cutter device comprises the turntable, at least one cutter set is arranged on the turntable, and one cutter set comprises at least two cutters arranged around a rotation axis of the turntable; in every two adjacent cutters in the cutter set, a cutting edge on one side of the front cutter protrudes out of the cuttingedge on the same side of the a back cutter; the cutting edge of the other side of the front cutter is positioned between the cutting edges on the two sides of the back cutter; and the cutting edge onthe other side of the back cutter protrudes out of the cutting edge at the same side of the front cutter. According to the groove milling method and the high-speed milling cutter device, the cuttingwidth of one-circle rotation of the milling cutter is large, the service life of the cutter can be ensured to be long enough, and the groove milling efficiency is high.

The invention discloses a cutting blade which comprises a blade body defined by a top face part, a bottom face part, a side face part and a rear tool face, and the blade body penetrates through the top surface part and the bottom surface part and is provided with a screw hole part. Each of the top surface part and the bottom surface part is composed of a front cutter surface and a mounting surface, a cutting edge part is formed by an edge band where the front cutter surface and the rear cutter surface intersect, the cutting edge part comprises a main cutting edge, an auxiliary cutting edge and a first sleeking edge, and the main cutting edge, the auxiliary cutting edge and the first sleeking edge form a main cutting edge rear cutter surface, an auxiliary cutting edge rear cutter surface and a first sleeking edge rear cutter surface respectively with the rear cutter surface; the main cutting edge is longer than the auxiliary cutting edge; and the cutting edge part further comprises a second sleeking edge, and the second sleeking edge is smoothly connected with the main cutting edge through a second arc section. The cutting blade has the advantages of larger cutting depth and larger feeding under the same blade width, and a vertical wall surface with higher quality can be formed in the processing of a rib structure.

The invention discloses a multifunctional deep geothermal resource drilling and well completion experiment device. The multifunctional deep geothermal resource drilling and well completion experimentdevice comprises a lifting platform and two supports arranged on the two sides of the lifting platform. The two supports penetrate through the lifting platform and are vertically connected with the lifting platform in a sliding mode. Two sets of lifting structures are arranged on the two sides of the lower portion of the lifting platform and are connected with the supports on the two sides respectively. A rotary drilling assembly connected with the lifting structures is installed in the center of the lower portion of the lifting platform, and the rotary drilling assembly rotates when the lifting structures drive the lifting platform to descend along the supports. When a drill rod drills to a hard part, although the lifting structures still drive the drill rod to extend downwards for feeding, sliding rods slide upwards to compress pressure springs to drive the drill rod to reduce the feeding amount, and the drill rod is prevented from being damaged by forced drilling; and when the drillrod drills to a part with low hardness, the compressed pressure springs can increase the feeding amount of the drill rod through resetting.