10results about How to "Increase cutting force" patented technology

The utility model relates to an oil exploitation drilling tool. The drilling tool comprises a drill body, three evenly-distributed cones, a PDC cutting structure and a plurality of auxiliary assemblies. The tooth wheel is composed of a tooth column and three layers of tooth palms, and coarse and fine layered crushing is carried out step by step, so that the drilling efficiency is improved. The PDC cutting structure is arranged at the end of the drill body and comprises a triangular prism, a column groove, a main blade, an auxiliary blade and a side blade, large-diameter PDC cutting parts are arranged on the main blade and the auxiliary blade, PDC cutting parts with the diameters gradually reduced are arranged on the side blade, the cutting effect is optimized, and the adaptability of the drilling tool in a hard rock stratum is enhanced. The adaptability of the drilling tool in soft and hard rock stratums is further improved through the small blades and the small-diameter PDC cutting pieces on the rectangular plate, and it is ensured that the drilling tool works stably and efficiently. The overall design effectively reduces the abrasion of the drilling tool, prolongs the service life, improves the drilling efficiency, and reduces the mining cost. The drilling tool is suitable for rock stratums with different hardness and has a wide application prospect in oil exploitation.

The utility model belongs to eccentric power transmission technical field, especially relates to a kind of eccentric power transmission rod and eccentric power mechanism of self-adapting compensation cutting force. Including: swing bar;Compensation block, the compensation block is locked and is connected between the swing bar;Fixed block, the fixed block is hingedly connected between the swing bar;Spring pin, the spring pin is movably inserted in the compensation block, and is locked on the fixed block, and the compensation block can be pushed along the spring pin to move axially by the spring pin. The lower end of the swing bar is provided with a waist-shaped groove, for being movably inserted with eccentric pin on eccentric disc. The utility model can overcome suddenly increased cutting resistance, so as to maintain the stability and continuity of cutting process, completely solve the problem of whole machine bouncing dance caused by cutting resistance change.

The utility model discloses a portable cable cutting device, relates to the technical field of cable cutting, and aims to solve the problem that in the prior art, when the diameter of a cable is large, the cable is difficult to cut off effectively only in a downward pressing mode. A supporting base is fixedly connected to the middle of the upper end of the supporting bottom plate, a semicircular containing groove is formed in the middle of the upper end of the supporting base, a C-shaped supporting frame is connected to the upper end of the supporting base, a cutting knife is connected to the upper end of the inner side of the C-shaped supporting frame, and a bearing plate is fixedly connected to the middle of the upper end of the cutting knife. A manual hydraulic rod is fixedly connected to the middle of the upper end of the C-shaped supporting frame, and the lower end of the telescopic end of the manual hydraulic rod penetrates through the middle of the upper end of the C-shaped supporting frame, then extends to the upper end of the bearing plate and is fixedly connected with a circular pressing plate. A large-diameter cable can be easily cut off, and the problem that a traditional pressing type cutting device is insufficient in strength is solved.

The utility model relates to bridge expansion joint accumulated slag automatic cleaning and digging device, aims at solving current cleaning rolling brush position fixed, thereby cannot be applicable to different depth bridge expansion joint, and the impurity of joint in bridge expansion joint, through the cleaning effect of the impurity of joint of cleaning rolling brush is poor technical problem, including: car body, adjusting assembly is set up in car body one side, adjusting assembly includes: mounting bracket, its inside is equipped with cleaning mechanism, and cleaning mechanism is used for cleaning the impurity in bridge expansion joint, vertical adjusting mechanism sets up on mounting bracket, is used for adjusting cleaning mechanism height, drive mechanism sets up in mounting rack side portion, is used for driving cleaning mechanism rotation, the utility model has through vertical adjusting mechanism dynamic adjustment cleaning mechanism height, adapts different depth bridge expansion joint, solves the problem of cleaning blind area caused by traditional rolling brush fixed.

This invention discloses a conveying device for rock wool boards with adaptive adjustment function, relating to the field of conveying technology. The conveying device includes a frame, a drive motor, conveying rollers, and a spacing adjustment assembly. The drive motor is fastened to the frame, and its output end is drivenly connected to the conveying rollers. The shaft of the conveying rollers is rotatably connected to the frame. Several conveying rollers are arranged along the material conveying direction. The spacing adjustment assembly is connected to the frame and contains a trimming component. The trimming component can automatically adjust the trimming method according to the type of rock wool board. A dust collection hood is provided on the spacing adjustment assembly. While conveying the rock wool boards, when the rock wool boards enter the spacing adjustment assembly, the spacing between the rock wool boards is first adjusted. Then, the side cuts of the rock wool boards are trimmed by the trimming component. A dust collection device is connected to the dust collection hood, and the dust generated during trimming can be collected through the dust collection hood.

This invention discloses an iterative optimization method for internal gear turning processes and tool parameters. The method includes: establishing a cutting edge function and a cutting edge sweep surface function in the turning space, and constructing a three-dimensional chip model; calculating micro-element chip parameters based on the chip model and establishing a cutting force calculation model; establishing a finite element simulation model for turning; setting initial values ​​for tool parameters, and optimizing process parameters with cutting force, maximum chip cross-sectional area, and material removal rate as objectives; optimizing tool structure parameters using finite element simulation based on the optimized process parameters; iteratively optimizing until convergence conditions are met, and outputting the optimal collaborative parameters. This invention achieves systematic collaborative optimization of process parameters and tool structure parameters, effectively reducing cutting forces, improving machining quality and tool life, and is suitable for efficient machining of high-precision internal gears.

The application discloses a machining method of a casing inner cavity weight-reducing groove and a casing, and the machining method comprises the following steps: using a milling cutter with a diameter greater than twice the radial allowance width of the casing inner cavity weight-reducing groove, and extending the milling cutter into the casing inner cavity along an axial direction; adopting a deep hole peck drilling mode to perform axial plunge milling along the weight-reducing groove, and performing interval plunge milling along a circumferential direction for multiple times to form a plurality of lace grooves and assembly bosses; wherein, when the axial plunge milling is performed, the circumferential direction and the width direction of the radial allowance of the weight-reducing groove are combined into one layer and are milled through by one cutter. The machining method adopts the milling cutter with the diameter greater than twice the radial allowance width, improves the cutting force of the cutter, and reduces vibration and the phenomenon of broken edges in the machining process; the machining method adopts the machining mode of one cutter from top to bottom to penetrate and mill the circumferential direction and the width direction, improves the machining efficiency, and the main stress of the milling cutter in the drilling and milling process is an axial force, so that the acting force on the radial cutting force of the machine tool is greatly reduced, and the deformation of the casing can be reduced.

The utility model discloses a high -speed tool for breaking wall machine belongs to breaking wall machine technical field, including tool holder, connecting shaft, comminuting cutter and press down cutter, the connecting shaft passes through bearing and is installed on the tool holder, the connecting shaft is provided with the limiting portion, the comminuting cutter is installed respectively in the limiting portion with press down cutter, and is provided with the support rod between the comminuting cutter and press down cutter, press down blade is equipped with in the press down cutter both ends, the press down blade is gradually variable curvature circular arc shape, the press down cutter is connected with the limiting portion through angle adjusting mechanism, the connecting shaft is matched with the tool holder through magnetic suspension bearing, the utility model discloses gradually variable curvature circular arc shape blade is set up to adopt, cooperation fluid guide coating, effectively reduce liquid vortex height, promote fluid press down efficiency, at the same time, magnetic suspension bearing is matched with the connecting shaft, and the friction and vibration are reduced significantly, reduce the noise.

The utility model relates to the technical field of tapping devices, in particular to a detachable tapping fragment ejector capable of rotating at a high speed, which comprises a metal shell, six scrap discharge grooves are arranged on the outer surface of the metal shell, an upper round shell is fixedly connected to the middle of the upper end of the metal shell, a first screw hole is arranged on the right portion of the outer surface of the upper round shell, and a second screw hole is arranged on the right portion of the outer surface of the upper round shell. A tapper connecting rod is in threaded connection with the interior of the upper round shell, a second screw hole is formed in the right portion of the outer surface of the tapper connecting rod, a titanium-plated center drill is fixedly connected to the middle of the lower end of the tapper connecting rod, a bearing is fixedly connected to the middle of the upper shell wall of the metal shell, and a spring is connected to the outer side of the bearing in a sleeving mode. According to the detachable trepanning fragment ejector capable of rotating at high speed, high-speed rotation is achieved through linkage of the spring and the bearing, and compared with a traditional trepanning device, the trepanning precision and quality are improved through cooperation of the helical tooth groove, the carborundum coating, the scrap discharging groove and other structures, and meanwhile material scrapping is reduced.

This invention provides a mixer, including a connecting rod, a handle, and mixing bars. The mixing bars are located at one end of the connecting rod, and the handle is located at the other end. The mixing bars are made of metal and have serrations arranged along their length. Multiple mixing bars are arranged circumferentially along the connecting rod. The mixer also includes a blade holder, which is fixedly fitted onto the side of the connecting rod away from the handle. The blade holder is located within the space enclosed by the multiple mixing bars and has at least one blade arranged circumferentially. The blade is made of metal. The metal mixing bars provide greater strength and sharpness, allowing the mixer to not only beat eggs but also mashed potatoes, garlic, cream, onions, and other ingredients. The added serrations improve gripping and cutting force, enabling faster food mixing.