39results about How to "Improve chip removal efficiency" patented technology

The invention relates to the technical field of diamond hole drills, and discloses a diamond drilling tool with a chip removal function, the diamond drilling tool comprises a connecting cylinder, a drill bit is arranged at the bottom of the connecting cylinder, a chip removal mechanism is arranged, slurry is injected into a drill hole through a flow channel, the drill bit is cooled through the inrush slurry, and the chip removal function is achieved. The problems that due to the fact that a large amount of heat generated by friction between the drill bit and rock causes rapid temperature rise of the drill bit, thermal damage of diamond particles is caused, the cutting performance of the drill bit is reduced, and the service life of the drill bit is prolonged are solved, and meanwhile, due to the viscosity and fluidity of the slurry, rock debris can be suspended and brought out of holes along with continuous injection of the slurry; in this way, the hole bottom can be kept clean, a good condition is created for continuous drilling of the drill bit, a layer of lubricating mud film is formed between the drill bit and the hole wall, friction resistance between a drilling tool and the hole wall can be reduced, and energy consumption in the drilling process is reduced.

The invention discloses an efficient sewage treatment device based on a magnetic separation technology, and relates to the technical field of sewage treatment, and the efficient sewage treatment device comprises a composite mechanism. According to the efficient sewage treatment device based on the magnetic separation technology, through the design of a composite mechanism, sewage enters the composite shell from a feeding pipe, impurities in the sewage are adsorbed through a filter plate, so that the effect of purifying the sewage is achieved, the contact area is increased by forming a plate surface groove and opening the groove, the filter effect is improved, and the service life of parts is prolonged; a first electric push rod controls an annular plate to rub a filter plate up and down in the composite shell, so that the effect of cleaning impurities on the surface is achieved, impurity precipitation is reduced, the rubbed impurities are precipitated towards an output mechanism, subsequent discharge from the output mechanism is facilitated, filtered sewage is discharged from a discharge pipe, and subsequent operation is facilitated.

The chip removal machine comprises a chip removal machine body, the chip removal machine body is provided with a containing cavity, an inlet end and an outlet end, the inlet end and the outlet end communicate with the containing cavity, the inlet end is used for communicating with a chip removal opening of the numerical control machine tool so that the cooling liquid can flow in, and the outlet end is used for discharging the metal chips; the conveying component is arranged in the containing cavity and located between the inlet end and the outlet end so as to convey the metal cuttings. The containing box communicates with the containing cavity so that the cutting fluid in the containing cavity can flow into the containing box. And the bubble generator comprises a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe communicates with the containing box, the liquid outlet pipe communicates with the containing cavity, and the bubble generator is used for injecting gas into the cutting fluid flowing into the bubble generator to generate the cutting fluid with bubbles and injecting the cutting fluid with the bubbles into the containing cavity. Through the innovative bubble cleaning technology and the reasonable structural design, the problem that in the prior art, the chip removal effect of a chip removal machine is poor is effectively solved.

The utility model relates to an inner-row type trepanning cutter for deep holes, belongs to the field of deep hole machining, and solves the problems that an existing trepanning cutter is poor in machining linearity, severe in cutter abrasion, poor in machining surface smoothness and low in machining efficiency. The inner row type trepanning cutter for the deep holes comprises a circular-tube-shaped cutter crown, and the cutter crown comprises a cutter body mounting part; the four cutter body mounting parts are uniformly arranged on the cutter crown along the circumferential direction; and the outer wall of each cutter body mounting part is provided with an alloy guide key and a shock absorption damping block which are different in circumferential position and staggered in axial position. The trepanning cutter provided by the utility model has better machining linearity and coaxiality, higher machining precision and efficiency, capability of effectively ensuring the smoothness of an inner hole, and longer service life.

The invention discloses an electric spark deep small hole machining process design method, which belongs to the technical field of aero-engine part case machining, and comprises the following steps: designing an ultrasonic device to assist chip removal through ultrasonic vibration in the electric spark machining process, and adjusting the power of the ultrasonic device, the position of an ultrasonic vibration source and the angle of the ultrasonic vibration source; under different ultrasonic influence factors, carrying out orthogonal test electric spark machining on the deep small hole, wherein the ultrasonic influence factors comprise ultrasonic power, the distance between an ultrasonic vibration source and a machining part and the ultrasonic direction; the machining quality of the electric spark deep small hole machining test is compared, and the optimal ultrasonic influence factor combination is obtained; and the ultrasonic device is adjusted according to the optimal ultrasonic influence factor combination, and the adjusted ultrasonic device is used as an auxiliary device for electric spark deep small hole machining. The method has the advantage that carbon deposition in the electric spark deep small hole machining process is reduced.

The utility model discloses a round nose milling cutter, and relates to the field of workpiece machining. The round nose milling cutter comprises a cutter handle and a cutter head which are coaxially connected, the cutter head comprises a plurality of blades spirally extending in the axial direction of the cutter handle, a cutter groove is formed between every two adjacent blades, the end, away from the cutter handle, of each blade is provided with a blade tip, a chip removal groove is formed between every two adjacent blade tips, and the depth of the chip removal groove is larger than that of the cutter groove. According to the round nose milling cutter, the chip removal grooves are used for assisting the cutter grooves in chip removal, the fluency of chip removal is guaranteed, and the chip removal efficiency is improved; meanwhile, the groove depth of the chip groove is larger than that of the cutter groove, so that the chip groove can contain and discharge more chips, accumulation of the chips at the edge point is avoided, and the milling quality and the milling efficiency of the round nose milling cutter are improved.

The utility model relates to lathe technical field provides a good micro - numerical control lathe of chip removal, solve the problem that lathe horizontal work surface falls the chip not easy clearance and the chip falls into the guide rail and influences the problem of tool rest feed. Scheme, the work surface of bed body is inclined surface, the lathe still includes: X axle assembly, include: a) X axle bottom plate, set up on the work surface of bed body, have X axle guide rail on it, b) workbench, slide connection in X axle guide rail, its upper portion is fixed with tool rest, c) first linear drive assembly, drive workbench and move along X axle direction, d) X axle protection assembly, install in workbench X axle direction both ends, protect X axle guide rail, Z axle assembly, include: a) Z axle guide rail, set up in the work surface of bed body, X axle bottom plate bottom slide connection in Z axle guide rail, b) second linear drive assembly, drive X axle bottom plate and move along Z axle direction, c) Z axle protection assembly, install in X axle bottom plate Z axle direction both ends, be used for protecting Z axle guide rail.

This invention discloses a double-helix composite blade long-diameter-maintaining coring drill bit and its manufacturing method, belonging to the field of geological drilling coring equipment. The drill bit includes a drill bit steel body, double-helix composite blades, and a coring inner cylinder. The double-helix composite blades are arranged in a double-helix staggered distribution, including polycrystalline diamond cutting blades and surface-impregnated diamond grinding blades. The polycrystalline diamond cutting blades have a three-dimensional helical forward-inclined structure, embedded with frustum-shaped polycrystalline diamond sheets and triangular polycrystalline diamonds. The surface-impregnated diamond grinding blades have an axial helical structure, equipped with low-temperature surface-impregnated matrix blocks and surface-impregnated large diamond particles. The outer wall surface of the blades is equipped with a helical long-diameter-maintaining structure. The manufacturing method integrates three processes: pressureless impregnation, hot-pressing sintering, and brazing, to prepare the blade matrix base and the surface-impregnated matrix blocks respectively, and then weld them into shape. This invention, through optimized structural design and multi-process synergy, significantly improves the coring efficiency, wear resistance, and structural stability of the drill bit in complex formations, achieving long-term diameter maintenance and high-efficiency drilling.

The utility model discloses a cold cutting flying saw machine with a scrap cleaning function, which belongs to the technical field of cold cutting flying saw machines and comprises a displacement rail seat, a support column fixedly mounted at the lower end of the displacement rail seat, a driving cabin arranged at the upper end of the displacement rail seat, a cutting blade mounted at the transmission end of the driving cabin, and a dust shield arranged on the outer side of the cutting blade. The cold cutting flying saw machine with the scrap removing function is additionally provided with the scrap removing mechanism, the scrap removing mechanism adopts a guiding and flow guiding mode and is matched with a shielding cover, waste scraps are effectively shielded, and the cold cutting flying saw machine with the scrap removing function has the advantages that the cold cutting flying saw machine with the scrap removing function is convenient to use, safe and reliable. The situation that waste chips are thrown out under the action of the blade rotating at a high speed and pollute the surrounding environment is avoided, and meanwhile the health of operators is protected; scraps fall on the guide sliding slope, are effectively guided to slide into the scrap guide sliding groove and then enter the scrap accumulation bin through the scrap guide pipe, and orderly collection of the scraps is achieved.

The invention provides a micro electric spark inner flushing liquid main shaft and a deep micropore machining method, and belongs to the technical field of non-traditional machining. The micro electric spark inner flushing liquid main shaft comprises a rotary joint, a gland, a liquid adapter, a locking nut, a sleeve, a bearing end cover, a main shaft seat, a bearing, a sealing ring, a main shaft, a belt wheel, a chuck and a porous microelectrode; working oil is conveyed between a porous microelectrode and a machined workpiece at a certain speed and pressure, accumulation of electric corrosion particles at the bottoms of micropores in the machined workpiece is slowed down, and the working oil is used for flushing, so that the chip removal efficiency is improved, and the complexity of a machining system is not increased; in conclusion, the micro electric spark inner flushing liquid main shaft and the deep micropore machining method effectively solve the problem that electric corrosion particles are difficult to discharge in the electric spark micropore machining technology.

The utility model discloses a high-performance milling cutter for processing titanium alloy, which comprises a cylindrical cutter bar and a cutter head, the end part of the cutter head far away from one end of the cutter bar is hemispherical, the cutter head comprises a front end surface and six circumferential blades, the six circumferential blades are uniformly distributed on the outer surface of the cutter head, and a chip groove which rotates rightwards towards the direction of a cutter handle is formed between every two adjacent circumferential blades. A plurality of chip breaker grooves are formed in each circumferential blade, and two end blades are arranged on the front end face; according to the high-performance milling cutter for machining the titanium alloy, the six right-handed chip removal grooves are adopted, the heat dissipation area is increased, and the cutter can smoothly remove chips and disperse cutting force during cutting, so that the cutting resistance is reduced, the heat dissipation efficiency is improved, stress concentration points are reduced, resonance is reduced, and the cutting stability is good; and the chip breaker grooves are uniformly formed in the circumferential blade, so that chips are cut off, the length of the chips is reduced, the chip removal efficiency is improved, the cutting resistance is reduced, the friction force is reduced, the cutting heat is reduced, the service life of the cutter is prolonged, and the cutting stability is further improved.

The utility model discloses a machine tool chip removing and cleaning device for a numerical control machine tool, relates to the technical field of machine tool machining, and aims to solve the problems that as an existing flat-bed machine tool is integrally of a plane structure, chips easily enter a lead screw and a sliding rail groove in the machining process, the chips are not easy to remove, operators need to assist in cleaning the internal chips after machining, and the machining efficiency is high. And inconvenience is brought to use. Comprising a flat lathe bed main body, a lead screw groove is formed in the middle of the flat lathe bed main body, a lead screw module is arranged in the lead screw groove, and sliding rail grooves are formed in the two sides of the lead screw groove; the assembling frames are arranged at the two ends of the flat lathe bed main body, a driving shaft is arranged between the assembling frames and the flat lathe bed main body, a motor is arranged at one end of the driving shaft, the motor is arranged on the outer wall of one end of each assembling frame, and an inserting groove is formed in each assembling frame; the second electric telescopic rod is arranged above the assembling frame and located on the inner top of the machine tool.

The utility model discloses a flat drill for metal machining, and relates to the technical field of drill bits, the flat drill comprises a handle part and a flat drilling part, a transition part is arranged between the handle part and the drilling part, the drilling part is provided with two symmetrically-arranged cutting edges, each cutting edge is provided with an arc edge face and a chip removal face, and the arc edge faces and the chip removal faces are arranged in parallel. The chip removal face is arranged in the axial direction of the handle part, a guide part is arranged at the end, away from the transition part, of the drilling part, and the guide part and the handle part are concentric. The flat drill for metal machining is suitable for machining of low-hardness metal, the concentricity of the drill bit during drilling is guaranteed, and the chip removal efficiency can be further improved.

The utility model discloses a compact chip removal machine which comprises a chip removal machine body, the chip removal machine body is provided with a conveying belt and a protection mechanism used for enclosing the conveying belt, the protection mechanism comprises a protection frame, a fixing plate, an auxiliary frame and a positioning plate, and the protection frame is located at the top of the chip removal machine body. The protection frame is used for protecting the conveying belt, the fixing plate and the auxiliary frame are located on the side of the protection frame and the side of the chip removal machine body respectively, the positioning plate is connected with an inner cavity of the auxiliary frame in a sliding and penetrating mode, and the fixing plate, the auxiliary frame and the positioning plate are used for positioning installation of the protection frame. According to the chip removal machine, the protection frame, the fixing plate, the auxiliary frame, the positioning plate, the sliding frame and the positioning columns are matched with one another, the protection frame covers the top of the chip removal machine body, the conveying belt in the chip removal machine body can be shielded and protected when the chip removal machine body is not used, the chip removal efficiency can be improved conveniently, and the labor intensity of workers can be relieved conveniently.

The utility model discloses a storage battery pressing plate machining punching machine with a scrap removing structure, and relates to the technical field of machining punching machines. Comprising a machining platform, the machining platform is provided with a stamping mechanism used for machining the storage battery pressing plate, the stamping mechanism comprises a cleaning assembly, the cleaning assembly comprises a vertical plate fixed to the upper end face of the machining platform, and a pair of second connecting rods are fixed to the inner wall of the vertical plate; according to the dust collection device, the first electric push rod drives the dust collection shell to rotate, the position of the dust collection shell can be flexibly adjusted, the dust collection shell is made to be closer to chippings on a machining platform, and the dust collection device is more convenient to use. The chip removal device can effectively remove chips on the machining platform and control the angle of the dust collection shell, can better align to a chip area, is matched with negative pressure generated by the dust collection pump, achieves efficient suction of the chips on the machining platform, and is higher in chip removal efficiency compared with a traditional chip removal mode.

The utility model relates to a squamous milling cutter which comprises a cutter body, and a plurality of squamous cutting edges are machined and formed on the circumferential surface of the cutter body. The temperature of the milling cutter is obviously reduced under the condition of high-speed rotation, so that the milling cutter can work conveniently, and the service life of the milling cutter is prolonged.

The utility model discloses a polycrystalline cubic boron nitride composite sheet, and particularly relates to the technical field of polycrystalline cubic boron nitride, the polycrystalline cubic boron nitride composite sheet comprises a first sheet body and a second sheet body, the middle parts of the first sheet body and the second sheet body are respectively provided with a central tray for positioning, and the two central trays are arranged in a laminated manner; and center holes are formed in the middle parts of the two center trays in a penetrating manner. According to the utility model, through the corresponding cooperative use of the structures, the first chip removal channel and the second chip removal channel are easy to quickly remove heat generated by the first sheet body and the second sheet body during cutting, and meanwhile, the first chip removal channel and the second chip removal channel are obliquely arranged, so that the heat generated by the first sheet body and the second sheet body during rotation can be quickly removed; scraps generated by cutting can be dredged and discharged through the first chip removal channel and the second chip removal channel through torsion generated when the first sheet body and the second sheet body rotate, so that the chip removal efficiency and effect are improved when the first sheet body and the second sheet body are used for cutting.

The invention provides a device for improving the chip removal effect of a chain type chip removal machine, and relates to the technical field of chain type chip removal machines, the device comprises an outer machine shell, a chain plate assembly, a chip inlet, a chip removal opening and a collection box; the chip inlet is formed in the feeding end of the outer machine shell, and the chip discharging opening is formed in the discharging end of the outer machine shell. The chain plate assembly is arranged in the outer machine shell in a penetrating mode. A main cleaning assembly and an auxiliary cleaning assembly are arranged at the chip removal opening; the main sweeping assembly is located above the chain plate assembly and used for sweeping metal chips at the upper end of the chain plate assembly into the collecting box. The auxiliary cleaning assembly is located below the chain plate assembly and used for cleaning metal chips at the lower end of the chain plate assembly through reciprocating motion. The whole device is compact in structure, can directly adapt to transformation and upgrading of an existing chain type chip removal machine, does not need large-scale modification of original equipment, greatly improves the chip removal efficiency and the equipment reliability, reduces the maintenance cost and the shutdown risk, and is particularly suitable for high-load and high-precision numerical control machining scenes.

The utility model belongs to the technical field of reamers, and particularly provides a cone reamer which comprises a center shaft, an installation support, a plurality of cone assemblies and a water inlet interlayer, a plurality of connecting parts are formed on the installation support in the circumferential direction of the installation support, the connecting parts extend in the radial direction, and the cone assemblies are arranged on the connecting parts in a one-to-one correspondence mode. The water inlet interlayer is arranged on the advancing side of the cone assembly, the water inlet interlayer is communicated with the water inlet hole of the center shaft, and water spraying holes facing the cone assembly are formed in the water inlet interlayer. By means of the arrangement, on one hand, the water inlet interlayer and the cone assembly do not interfere with each other, the groove bottom of the chip removal groove can directly extend to the position close to the center shaft, and the chip removal efficiency can be improved. And on the other hand, the axial length of the water inlet interlayer can be designed to be longer, so that a larger water inlet amount can be obtained. And on the other hand, by means of the structure, arrangement of the water spraying holes is more convenient, a plurality of water spraying holes can be formed in the side, close to the cone assembly, of the water inlet interlayer, and better cleaning and cooling effects can be achieved.

The present application relates to a kind of narrow let-in knife slot blind hole precision reaming honing tool and honing method, belong to honing equipment technical field, to solve the technical problem of lack of special precision reaming honing process for 2-3mm narrow let-in knife slot blind hole, especially 10-40mm aperture blind hole in current industry.The present application includes tool body, tool body is the cylindrical structure of the cross section is round type, tool body includes connecting portion and honing portion along the body;Connecting portion is located at one side of tool body, for tool body clamping, honing portion is located at the end of the other side of tool body;Honing portion is annular honing section;The outside of tool body of honing section is provided with honing layer.The present application can realize narrow let-in knife slot blind hole high precision, high consistency, high surface quality stable processing, and is suitable for precision inner hole machining of hydraulic valve body, engineering machinery, precision mould and other parts.

The utility model relates to the technical field of wood processing equipment, in particular to a brushless motor and a thicknessing machine adopting the brushless motor, the brushless motor comprises a motor shell, a motor shaft and a machine core connected with the motor shaft, the machine core is composed of a rotor and a stator, one end of the motor shell is connected with an electric control device, the other end of the motor shell is connected with a reduction gearbox, and the reduction gearbox is connected with the motor shaft. One end of the motor shaft extends into a shell of the electric control device, the other end of the motor shaft penetrates through the cooling fan and then is connected with the reduction gearbox, an air outlet is formed in the side wall of the motor shell, the rotating motor shaft drives the cooling fan to rotate, air is sucked in through a cooling grid at the end of the electric control device, and the air flows to the air outlet in the axial direction of the motor shaft and is exhausted. According to the brushless motor, the heat dissipation efficiency of the brushless motor is improved, the possibility of overheating damage of the brushless motor in the working process is greatly reduced, and the brushless motor has the advantages of high efficiency, long service life, low maintenance, excellent speed regulation performance and precision, low noise, low interference and the like.

The application discloses a high-chip-removal PCB drill, and relates to the technical field of drills.The drill body main body is provided with a drill tip part and a drill body part at the end of the drill body main body; a first chip removal groove spirally extending around the axial direction of the drill body main body is formed on the drill body main body; the first chip removal groove extends from the drill tip part to the drill body part; a second chip removal groove spirally extending around the axial direction of the drill body main body is formed in the first chip removal groove; the central symmetry of the drill tip part is provided with a main cutting edge; the main cutting edge is divided into a first blade surface and a second blade surface; the end, where the drill body part is connected with the drill tip part, is provided with a third blade surface and a secondary chip removal groove; the technical scheme provided by the application is provided with a structure design of "double chip removal grooves and multiple blade surfaces", which can significantly improve the chip removal efficiency and machining stability of the PCB drill.

The utility model discloses a paperboard oscillation scrap removal device, and particularly relates to the technical field of paperboard scrap removal, the paperboard oscillation scrap removal device comprises a main body assembly, an air guide assembly is fixedly installed in the middle of the main body assembly, oscillation scrap removal assemblies are fixedly installed at the bottoms of the two sides of the air guide assembly respectively, and the main body assembly comprises a box body; an air blower is fixedly installed in the middle of the top face of the box body, and an air blowing nozzle is fixedly installed on the bottom face of the air blower. According to the paper vibration scrap removing device, vibration scrap removing operation of two pieces of paper can be conducted at a time through the two vibration scrap removing assemblies, and the paper scrap removing efficiency is improved; meanwhile, air blown out by an air blowing nozzle can be shunted and guided through two air deflectors, so that the air can be obliquely blown to the surfaces of the two paperboards, then paper scraps on the surfaces of the paperboards can be blown and cleaned, the paper scraps fall into a scrap collecting box to be collected, the positions of four cushion blocks can be changed at the same time, and the paper scraps can be conveniently cleaned. And the device can adapt to paperboards with different sizes.

The invention provides a chip removal machine and a machine tool. The chip removal machine comprises a chip removal machine body which comprises a conveying part; the shearing structure comprises a first shearing part and a second shearing part, and the first shearing part and the second shearing part are movably arranged so as to move to a shearing position where a blade part of the first shearing part is in contact with a blade part of the second shearing part or a separation position where the first shearing part is separated from the second shearing part; the limiting piece is arranged on the conveying part and located on the side, away from the inlet of the conveying part, of the shearing structure, and a limiting opening is defined by the limiting piece and the conveying face of the conveying part; the detection end of the contact detection piece is arranged at the outer edge of the limiting opening; the contact detection piece and the shearing structure are both connected with the control piece so that the shearing structure can be controlled to move to the shearing position or the separating position according to the detection result of the contact detection piece. Through the technical scheme provided by the invention, the technical problem that an outlet of a chip removal machine in the prior art is easily blocked when chip balls are too large can be solved.

The invention relates to the technical field of metal processing, in particular to a metal cutting chip removing device which comprises a rack, a multi-axis mechanical arm arranged on the rack and a chip removing assembly arranged at the tail end of the multi-axis mechanical arm. The chip removal assembly comprises a mounting frame, two sliding seats, a chip suction assembly and a horizontal driving mechanism; the mounting frame is mounted at the tail end of the multi-axis manipulator; the two sliding seats are slidably mounted in the mounting cavities respectively; the scrap suction assembly comprises two air exhaust branch pipes and a plurality of suction hoods. The horizontal driving mechanism is used for driving the two sliding seats to move in the directions close to each other or away from each other so as to drive the two air exhaust branch pipes to move in the directions close to each other or away from each other. Through the optimized chip suction assembly and the horizontal driving mechanism, rapid and accurate chip removal is achieved, the device can adapt to workpieces of different shapes and sizes through the design of the multi-axis mechanical arm and the sliding base, and it is guaranteed that shutdown caused by chip management is not needed in the machining process through the two independent chip suction channels.

The invention provides a solid carbide milling cutter which is characterized in that an auxiliary chip pocket is formed in a peripheral blade front cutter face and provided with a groove face close to a peripheral blade cutting edge, and the groove face is a second front angle face, so that a peripheral blade second front angle is formed in the groove face, close to the peripheral blade cutting edge, of the auxiliary chip pocket; the second front angle of the circumferential blade is larger than the corresponding first front angle of the circumferential blade, one or more reinforcing parts are arranged in the auxiliary chip flute, the reinforcing parts are reinforcing ribs or bulges arranged on the groove surface far away from the cutting edge of the circumferential blade, so that the auxiliary chip flute is provided with a plurality of groove sections, and the width of the reinforcing parts is 0.1 mm to 5mm. According to the technical scheme, the sharpness of the cutting edge of the milling cutter can be improved, the cutting force is reduced, and the cutting performance is improved from multiple aspects of enhancing the abrasion resistance of the cutting edge, effectively cooling the cutter and cuttings, effectively controlling the size of the cuttings and the like.

The utility model provides a chip removal device for a machine tool, and belongs to the technical field of chip removal of machine tools. The chip removal device for the machine tool comprises a chip removal frame, a chip removal mechanism comprises a motor, the motor is fixed to one side of the chip removal frame, a fixing shaft is fixedly installed at the output end of the motor, a cam is arranged on the surface of the fixing shaft, a conveying plate is rotationally installed in the chip removal frame, and the chip removal mechanism comprises an installation rod. Through mutual cooperation of the motor, the fixing shaft, the cam and the conveying plate, when an operator needs to increase the chip removal speed of a machine tool, the operator can firstly install the chip removal frame below a tool and then start the motor, the motor drives the fixing shaft to rotate, and therefore the chip removal speed of the machine tool can be increased. And the fixed shaft drives the cam to rotate, so that the conveying plate can continuously turn over, the chip removal efficiency of the machine tool is improved, and an operator can conveniently use the machine tool.

The utility model relates to a push block structure of a stepping chip removal machine, which comprises a baffle plate structure and a roller structure and is formed by fixedly connecting two bottom plates, two side plates, a top plate, a front baffle plate, a top plate barb and two side plate barbs, and the roller structure is formed by fixedly connecting a roller and a roller fixing block; the bottom plates are in a right triangle shape, the long right-angle sides of the two bottom plates are fixedly connected in an obtuse angle mode, and the side plates are fixed to the two bevel edges of the bottom plates respectively. The chip pushing area is guaranteed, chips are prevented from being accumulated on the pushing block, the problem that the pushing block carries the chips in the withdrawing process of the pushing rod is solved, and the chip removal efficiency of the stepping chip removal machine is improved.

The present application provides a solid carbide milling cutter, characterized in that a secondary chip groove is provided on the front cutting edge of the peripheral blade, the secondary chip groove has a groove surface close to the peripheral blade edge, which is a second front angle surface, so that the groove surface of the secondary chip groove close to the peripheral blade edge forms a second front angle of the peripheral blade, the second front angle of the peripheral blade is greater than the corresponding first front angle of the peripheral blade, and one or more reinforcement parts are provided in the secondary chip groove, the reinforcement part is a reinforcement rib or a protrusion provided on the groove surface away from the peripheral blade edge, so that the secondary chip groove has multiple groove sections, wherein the width of the reinforcement part is 0.1mm to 5mm. The technical solution of the present application can improve the sharpness of the milling cutter edge, reduce the cutting force, and improve the cutting performance from multiple aspects such as enhancing the wear resistance of the edge, effectively cooling the tool and chips, and effectively controlling the chip size.

This utility model discloses a high-strength composite structure drill bit, relating to the field of drill bit technology, comprising: a reinforcing rod; a cutting assembly disposed on the outer circumference of the reinforcing rod; a fixing assembly disposed on the outer circumference of the reinforcing rod and the cutting assembly for fixing the reinforcing rod and the cutting assembly; and a composite layer disposed on the surface of the cutting assembly for high-strength protection. This utility model, by setting auxiliary spiral grooves and gradually decreasing the spiral angle from the bottom to the top of the drill bit, optimizes the guidance and discharge path of waste chips according to the needs of different stages during drilling. This not only improves chip removal efficiency and reduces pressure backflow caused by waste chip blockage, but also enhances drilling speed and the stability of the drilling process.