63 results about "Metal swarf" patented technology

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 invention discloses a multifunctional cutting base and a cutting method for a large fan casting, and relates to the technical field of casting cutting machining.The base comprises a self-adaptive supporting platform, a combined type damping assembly, a vibration control unit and a chip and oil mist recycling unit; the self-adaptive supporting platform is attached to the bottom of a casting through a plurality of spherical hinge universal planes with angles and heights adjusted hydraulically to form a profiling supporting face so as to achieve multi-point self-adaptive clamping. The combined type damping assembly conducts damping adjustment along with machining vibration dynamic response through the damping unit in cooperation with the vibration control unit, and the machining posture of the casting is stabilized. The cuttings and oil mist recovery unit is used for synchronously collecting and separating dust, metal cuttings and cooling oil liquid generated in the turning process through a liquid-solid separation module, a dust hood with a negative pressure suction function and a chip removal channel; the clamping stability and the machining precision of the large casting are effectively improved, the machining site environment is improved, and the problem that an existing large casting machining platform affects the casting machining state is solved.

The invention provides a chip removal machine which is used for separating metal chips in cutting fluid of a numerical control machine tool and comprises a chip removal machine body, a water tank assembly and a chip taking piece, and a chip removal opening used for discharging the cutting fluid is formed in the chip removal machine body; the water tank assembly comprises a raw water cavity, a purified water cavity and a filtering piece located between the raw water cavity and the purified water cavity. The chip taking piece is detachably arranged on the side, close to the raw water cavity, of the filtering piece, the chip taking piece is provided with a liquid inlet, a liquid outlet and a containing cavity which is communicated with the liquid inlet and the liquid outlet and used for containing cuttings, the liquid inlet is communicated with the raw water cavity, the liquid outlet is communicated with a gap between the chip taking piece and the filtering piece, and the liquid outlet is higher than the liquid inlet; and the caliber of the liquid outlet is smaller than that of the liquid inlet. Through the unique self-recoil design and optimization of the detachable chip taking piece, effective separation and collection of iron chips and aluminum chips are achieved, and the problem that in the prior art, a large number of metal chips are accumulated in a chip removal machine, and consequently normal operation of equipment is affected is solved.

An electric machine is described, comprising a rotor with a rotor shaft on which at least one slip ring is arranged. The electric machine further comprises a housing and a brush module arranged on the housing, the brush module having at least one brush configured to make electrically conductive contact with the slip ring. The electric machine also includes at least one chip-breaking device configured to break a metal chip attached to the slip ring and extending at least partially in a radial direction as a result of rotation of the rotor shaft.

The application relates to the fire-fighting technical field and discloses a machining center spiral chip removal device, which comprises a transmission motor, a base frame, a chip removal pipeline and a chip removal spiral rotating knife, the outer side of the chip removal spiral rotating knife is provided with a pushing and cleaning mechanism, the lower portion of the base frame is provided with a chip removal recovery and cleaning mechanism, the chip removal recovery and cleaning mechanism comprises a double-opening groove device, which is used for providing a closed cleaning space for the pushing and cleaning mechanism and flushing the blade when the liquid discharge and collection device works; the liquid discharge and collection device is used for carrying out primary filtration and recovery on metal chips in the chip removal device; and an inclined starting device is used for preparing before filtration and recovery of the liquid discharge and collection device. The spiral chip removal device realizes different requirements of residual self-cleaning and deep cleaning through the pushing and cleaning mechanism and the movable upper and lower grooves, solves the problem that traditional devices cannot remove residual chips in idling, effectively optimizes the problem of difficult cleaning of dead angles, and makes in-depth cleaning more efficient and convenient.

The invention relates to the technical field of fire fighting, and discloses a machining center spiral chip removal device which comprises a transmission motor, a foundation frame, a chip removal pipeline and a chip removal spiral rotating cutter, a pushing and cleaning mechanism is arranged on the outer side of the chip removal spiral rotating cutter, and a chip removal recycling and cleaning mechanism is arranged below the foundation frame. The discharged chip recycling and cleaning mechanism comprises a discharging groove double-opening device which is used for providing a closed cleaning space for the pushing and cleaning mechanism and washing the blade when the discharged liquid collecting device works; the discharged liquid collecting device is used for primarily filtering and recycling the metal cuttings in the chip removing device; according to the spiral chip removal device, the cleaning mechanism is pushed, and the movable upper and lower open grooves are formed, so that different requirements for residue self-cleaning and deep cleaning are met, and the problem that a traditional device idles and cannot completely remove residues is solved; and the problem that dead angles are difficult to clean is effectively solved, and deep cleaning is more efficient and convenient.

The invention belongs to the field of processing equipment, and discloses an amplitude closed-loop adjustable mechanical low-frequency vibration generation device, which comprises a variable amplitude vibrator, a vibration feedback device, an amplitude adjusting device and a control end, and is characterized in that the variable amplitude vibrator comprises two groups of structures capable of generating same-frequency axial vibration; each group of vibration generation structure comprises a wave-shaped roller path, a rolling body and a plane roller path; the amplitude adjusting device changes the relative angle positions of the wave-shaped raceways of the two groups of axial vibration devices in the amplitude-variable vibrator in an electric driving manner, so that the phase difference of the two groups of axial vibration is changed, and the amplitude of the synthesized axial vibration is adjusted; the vibration feedback device can monitor the output amplitude of the variable-amplitude vibrator in real time and feed back the output amplitude to the control section, and closed-loop precise control over the output amplitude by the control section is achieved. According to the device, axial low-frequency vibration is overlaid while the main shaft does feeding motion, discontinuous cutting is achieved, and metal cuttings can be effectively broken off. And meanwhile, the vibration amplitude can be changed in the drilling process so as to meet various machining requirements.

The utility model relates to the technical field of briquetting machines, and provides a metal chip briquetting machine which comprises a supporting seat and a briquetting mechanism, supporting columns are fixedly connected to the periphery of the top of the supporting seat, a fixing seat is fixedly connected to the middle of the top of the supporting seat, and a top seat is fixedly installed at one end of the highest position of each supporting column. The metal chip briquetting device further comprises a fixing ring, a conveying mechanism, a clamping mechanism, an air blowing mechanism and a collecting box, the fixing ring is detachably connected to the top of the supporting column, and the conveying mechanism is arranged on one side of the supporting seat and used for conveying pressed metal blocks. According to the technical scheme, the problems that in the prior art, due to the fact that the briquetting speed is high, a pressed metal block is difficult to take out in time, normal operation of briquetting operation is affected, and the risk of clamping injury possibly occurs are solved.

The utility model relates to the technical field of short pin rolling shaft machining, and discloses a short pin rolling shaft high-precision cut-off mechanism which comprises a cut-off machine body and a cut-off knife installed on the cut-off machine body. A guide rail located below the cut-off knife is installed on the cut-off machine body, a clamping base is installed on the guide rail in a sliding mode, and an air cylinder used for driving the clamping base to move in a reciprocating mode along the guide rail is further installed on the cut-off machine body. A cavity is formed in the clamping base, an opening communicating with the cavity is formed in the top of the clamping base, and an inserting opening is formed in one side of the clamping base. According to the high-precision cut-off mechanism for the short pin rolling shaft, metal scraps generated in the cut-off machining process of the rolling shaft can be effectively removed through the matching effect of the material bearing plate and the elastic electromagnetic assembly, the scraps are prevented from being accumulated on the clamping base, and therefore adhesion of the scraps to the surface of a cut-off knife is reduced, and the cut-off machining precision of the rolling shaft is kept.

The invention relates to the technical field of metal ingot cuttings, in particular to a metal ingot cuttings production process which comprises the following steps of AGV automatic carrying, 3D visual guidance mechanical arm unstacking, precise metal cuttings treatment, intelligent collecting and screening system and automatic packaging. The AGV system ensures unattended carrying and charging management of the materials, and the mechanical arm is matched with the 3D camera to accurately execute unstacking operation, so that the operation precision and safety are improved. The preparation process of the chip cutting machine is automatic, a chip breaking machine can be selected to adapt to different chip cutting requirements, and then effective grading and environment-friendly treatment of the metal chips are achieved through efficient screening and dust removal steps. And finally, finished products are automatically packaged, and a full-automatic production chain from raw materials to the finished products is completed. According to the invention, the labor dependence is reduced, the production efficiency and the safety are improved, and the device has the processing capability of flexibly adapting to various metal materials and sizes, and is a key technical innovation for promoting the metal processing industry to be transformed and upgraded to intelligence and high efficiency.

Examples described herein provide for controlling the trajectory of metal chips during a metal cutting operation. Aspects include determining a predicted metal chip formation pattern during the metal cutting operation of a workpiece. Prior to the initiation of the metal cutting operation, the system sets the orientation of the workpiece, and the cutting tool based on the predicted metal chip formation pattern. During the metal cutting operation, the system observes the actual metal chip formation pattern and adjusts the orientation of the workpiece and the cutting tool to control the trajectory of the metal chips, preventing them from contacting the finished portion of the workpiece. Aspects may also involve controlling an electromagnet to create a magnetic field to adjust the trajectory of the metal chips and determining the direction and speed of a cutting fluid applied by the cutting tool based on the predicted and actual metal chip formation patterns.

The invention relates to the technical field of metal cutting and crushing, in particular to a metal cutting and crushing device which comprises a charging box with an opening in the top face, a crushing box is arranged above the charging box, and a driving gear crushing roller and a driven gear crushing roller are rotationally connected between the inner walls of the opposite sides of the crushing box. The driving gear crushing roller is meshed with the driven gear crushing roller; a screening box is arranged between the charging box and the crushing box, a plurality of screening holes are evenly formed in the inner bottom face of the screening box, and guide mechanisms are symmetrically installed on the two opposite sides of the screening box. According to the metal cutting and crushing device, crushed metal cutting scraps at the bottom in the charging box can be compressed, so that more metal cuttings can be stored in the charging box, and the transportation cost of the metal cuttings is reduced.

The application discloses a kind of multi-station intelligent numerical control drilling and milling processing devices based on embedded PLC, it is related to intelligent manufacturing equipment technical field, the present application includes rack, cantilever and main shaft, the lower end of the main shaft is equipped with protection unit, for protecting tool, the lower of the cantilever is equipped with fixed frame, cutting unit is equipped on the fixed frame, for cutting long metal scrap in processing process.The advantages are that: protection unit is driven connecting rod mechanism by centrifugal force generated by the rotation of main shaft, realize the automatic opening and closing of protective cover, non-cutting state package tool prevents broken needle error touch, cutting state is unfolded to form chip guide channel, cutting unit is rotated by eccentric wheel driven by main shaft, simultaneously by the design of water drop shape sliding groove, driving slider occurs relative displacement, and then driving moving blade and fixed blade cooperate to shear long metal chip, avoid long metal chip winding main shaft and tool, improve the stability and security of equipment automatic operation.

The utility model discloses a metal chip and cutting fluid classification compression recovery processor, and belongs to the technical field of metal chip treatment. Automatic recovery and centralized management of machine tool cuttings and effective treatment of cutting fluid can be achieved, the resource utilization rate is increased, and the production cost is reduced. The cuttings collecting and storing system is installed on the Mecanum wheel moving chassis system, the cuttings pre-compression system is installed on the cuttings collecting and storing system, and the cuttings final compression systems are installed at the front end and the rear end of the cuttings collecting and storing system. The cutting fluid collecting and discharging system is installed on the Mecanum wheel moving chassis system and communicates with the cuttings collecting and storing system. According to the utility model, the processing efficiency is improved, and the labor intensity of workers is reduced. The structure of the pre-compression mechanism is simplified, meanwhile, the cuttings are pre-compressed and fed into the compression box, and the size of the pre-compression mechanism is reduced. The problems of collection and treatment of the cutting fluid are effectively solved, harm to human bodies is reduced, and the working environment is improved.

The invention relates to a numerical control machine tool base structure which comprises a base body provided with a plurality of liquid drainage holes. The extruding mechanism is arranged in the liquid discharging hole, and the extruding mechanism is used for changing the inner diameter of the liquid discharging hole so as to extrude the metal cuttings; the winding mechanism is arranged below the extrusion mechanism, and the winding mechanism receives the extruded metal cuttings and winds the metal cuttings into balls or rolls; and the detaching mechanism is arranged below the winding mechanism, and the detaching mechanism is used for clamping and detaching the metal cuttings wound on the winding mechanism. Optimization is carried out according to the characteristics that the metal cuttings are of hollow, long-strip and spiral structures, the metal cuttings are extruded, wound and detached, so that the metal cuttings are extruded and wound, the occupied space of the metal cuttings is greatly reduced, and the metal cuttings are easily discharged.

The utility model relates to a base structure of a double-station numerical control gantry machining center, which comprises a base, two groups of linear rail bosses for mounting linear rails are arranged at the top of the base, each group of linear rail bosses comprises a first linear rail table and a second linear rail table which are parallel to each other, and an inclined oil discharge groove is arranged between the first linear rail table and the second linear rail table. A plurality of oil guide grooves communicated with the oil discharge groove are formed in the sides, close to the oil discharge groove, of the first linear rail table and the second linear rail table; the top of the base is further provided with a plurality of chip grooves parallel to the oil discharging groove, the chip grooves extend to the other end of the base from one end of the base, and the chip grooves are located on the outer sides, close to the edge of the base, of the two sets of linear rail bosses and between the two sets of linear rail bosses. Mixing of metal chips, lubricating oil and cutting fluid in the using process of the double-station numerical control gantry machining center is reduced, and the problem that recycling of the lubricating oil and the cutting fluid is not facilitated is solved.

The invention relates to the technical field of glass grating rulers, in particular to a glass grating ruler which comprises a numerical control machine tool, a mounting seat is fixedly mounted in the numerical control machine tool, a glass circular grating ruler is mounted on the mounting seat, a rotating ring is rotatably connected to the mounting seat, and a fixed seat is fixedly connected to the rotating ring. A transmission mechanism is arranged on one side of the movable air guide frame in a sliding fit mode, a grating ruler cleaning mechanism is rotatably connected to the movable air guide frame, and a motor cover is fixedly arranged in the mounting base in a penetrating connection mode. Metal cuttings on the surface of the grating ruler can be efficiently removed through the bristles, dependence on manual intervention is reduced through automatic cleaning, the labor intensity of manual cleaning and the misoperation possibility are reduced, meanwhile, grating ruler damage caused by improper cleaning of operators is avoided, and the working efficiency is improved. And the reading of the grating ruler is not interfered and the operation stability of a machine tool is ensured.

The screening device comprises a frame body, a screening frame which is suspended on the frame body and is in an inclined state, a screen mesh is arranged in the screening frame, a waste material opening is formed in the front end of the screen mesh, and finished product openings are formed in the two sides, at the bottom of the screen mesh, of the screening frame. And a driving component for driving the sweeps on the screen to move reversely is also arranged on the frame body. The driving component comprises a sleeve hinged to the frame body, a driving rod is arranged in the sleeve in a vertically movable penetrating mode, and a driving plate capable of making contact with the surface of the screen is arranged at the bottom end of the driving rod. The driving component can reversely drive the sweeps to move towards the feeding hopper, so that the sweeps move towards the waste opening from the upper top side of the screen again, secondary screening operation is achieved, complete screening operation can be achieved on the sweeps which are discharged too fast, and the screening efficiency is improved. The problems that small particles and large particles are discharged from a waste port at the same time, follow-up overall screening needs to be carried out, the operation time is prolonged, and cost is increased are solved.

The present application relates to a kind of honing tools, belong to honing equipment technical field, to solve the existing technology, the inner hole of the metal piece of aluminum, copper and its alloy is processed by honing, there is the problem of honing processing process, metal chip is easy to block tool chip removal passage, leading to low workpiece machining precision even workpiece scrapping, affect processing quality.The present application includes tool body, tool body is the cylindrical structure of the section being circular type, tool body includes connecting portion, honing portion and guide portion along the body, and guide portion and honing portion are equipped with first chip removal groove;The slotting direction of first chip removal groove is opposite to the honing rotation direction of honing tool.The tool body of the honing tool of the present application is equipped with first chip removal groove and second chip removal groove, wherein the slotting direction of first chip removal groove is opposite to the honing rotation direction of tool, by reverse fluid dynamics effect, can enhance the flushing strength of chip liquid when honing, simultaneously accelerate chip discharge, and the chip removal efficiency is high.

This invention relates to the field of machining technology, specifically disclosing a fully automatic metal chip pressing device, including a centrifuge cylinder and a support frame. A collection module is provided on the outside of the centrifuge cylinder, and the collection module includes a collection cover that is slidably fitted onto the outer wall of the centrifuge cylinder. The inner cavity of the collection cover is connected to the inner cavity of the centrifuge cylinder through a filter hole. A crushing module is provided at the top of the inner cavity of the centrifuge cylinder, and the crushing module includes a crushing box, a rotating rod, and a blade. The metal chips are pre-treated by the crushing module to crush long and curled chips. Then, the metal chips are centrifuged in the centrifuge cylinder to remove oil and coolant. After centrifugation, the chips are pressed into cakes by the pressing module, and then the pressed cakes are pushed out by a pusher plate. This automatically completes the crushing, centrifugation, and pressing of chips, quickly removes oil and coolant from the chips, reduces the impact of long and curled chips on the final pressed blocks, and ensures the quality of the pressed blocks.

The present patent application belongs to the technical field of gear processing, and specifically relates to a planetary gear processing machine for a cement mixer truck, comprising a clamping device, a processing device and a shielding assembly; the shielding assembly comprises a sealing box and a filter tube, the sealing box is arranged on one side of a support platform, an opening is provided on the side of the sealing box close to the support platform, the outer edge of the tooth blank extends into the opening, strip through grooves are provided on both sides of the sealing box, the drive shaft passes through two strip through grooves, and both ends of the drive shaft are equipped with a blocking structure for blocking the strip through grooves, the tool is located in the sealing box, an openable movable bottom plate is provided at the bottom of the sealing box, and the filter tube is connected to a drainage hole; its purpose is: by setting up the sealing box, the tooth blank extends into the sealing box through the opening, the processed part of the tooth blank and the tool are shielded, and during cutting, the coolant and metal chips are blocked to avoid splashing of the coolant and metal chips, which are difficult to clean.

The utility model relates to a clean composite numerical control machine tool for gear machining, which comprises a guide inclined plate for blanking, a guide inclined plate for blanking, a guide inclined plate for blanking and a guide inclined plate for blanking, a feeding inlet is formed in one end of the metal scrap channel, a feeding outlet is formed in the other end of the metal scrap channel, water filtering holes are formed in the bottom face, and a discharging guiding channel is arranged between the feeding inlet and the tail end of the guiding inclined plate for discharging; the scrap conveying mechanism is used for conveying metal scraps in the metal scrap channel from the feeding inlet to the feeding outlet; the waste chip compressing mechanism is used for receiving the metal waste chips output from the feeding outlet, compressing the metal waste chips and then outputting the metal waste chips; the metal scrap conveying device has the advantages that when metal scraps are conveyed in the metal scrap channel, most cooling water is filtered out by the water filtering holes, meanwhile, extrusion type conveying of the feeding screw is adopted, on one hand, the size of the metal scraps can be preliminarily reduced, on the other hand, residual cooling water in the metal scraps can be extruded out, and finally extrusion compression is conducted through the hydraulic cylinder, so that the size is further reduced; and transfer and storage are convenient.

The utility model belongs to the technical field of centrifugal drying machines, and particularly relates to a metal chip centrifugal drying machine which comprises an operation cylinder, two sets of supporting plates are arranged in the operation cylinder, an annular plate is arranged between the two sets of supporting plates, and a plurality of through holes arranged in an I shape are annularly formed in the annular plate. A second rotating shaft is fixedly installed at the top of the upper supporting plate, an adjusting assembly capable of adjusting the water flowing space of the through hole is arranged on the supporting plate, a first sealing door is hinged to the operation cylinder, a perspective window is arranged on the first sealing door, and a drainage pipe is arranged at the bottom end of the operation cylinder so that separated water can be drained. According to the utility model, the adjusting assembly is arranged, so that the water flowing space of the through hole can be adjusted, the water flowing space of the through hole can be correspondingly adjusted according to the size of metal chips by adjusting the water flowing space of the through hole, and the practicability is improved.

The present invention discloses a cutting fluid separation device for numerically controlled machine tools, comprising a separation cylinder, a connecting base being fixedly connected to the bottom of the separation cylinder, a plurality of reinforcing ribs being fixedly connected to the surface of the connecting base, a drainage pipe being fixedly connected to the surface of the separation cylinder, a feed hopper being fixedly connected to the surface of the separation cylinder, a support plate being fixedly connected to the feed hopper, a transmission shaft being rotatably provided at the bottom of the support plate, a limiting ring being fixedly connected to the inner wall of the separation cylinder, a separation funnel being rotatably provided inside the limiting ring, and a plurality of drainage holes being provided on the separation funnel. Compared with the prior art, the present invention can drive the welding ring to rotate through the transmission shaft so as to make the separation funnel move in a circle, can quickly separate the cutting fluid from the metal chips, reduce the situation where part of the cutting fluid remains on the surface of the metal chips and causes rust, can extend the service life of the cutting fluid, and has good economic benefits.

The invention discloses a small-deformation chipless girdling device and method applied to the two-end clamping condition. The small-deformation chipless girdling device comprises a bottom plate, a girdling mechanism and a pushing and pressing mechanism. The ring cutting mechanism comprises a cutter assembly, and the cutter assembly is connected with one transmission gear set and used for driving a cutter to do circular motion around the to-be-machined pipe when the to-be-machined pipe is kept static; the cutter assembly at least comprises a cutter base and a cutter push rod which are combined with each other, and at least one spring is arranged between the cutter base and the cutter push rod. According to the rotary extrusion shearing principle, under the working condition that displacement of a pipe is limited, stored energy is released through the spring to drive the cutter to cut in the radial direction, and material separation is achieved in cooperation with circumferential rotation. By means of the method, metal cuttings are thoroughly eliminated, the subsequent cleaning procedure is avoided, hole shrinkage and collapse deformation at the notch are effectively controlled, and the flatness and machining efficiency of the cut face of the pipe are remarkably improved.

The utility model relates to the technical field of waste metal recovery, and discloses a vibration impurity removal device for waste metal recovery, which comprises a fixed frame, a blast impurity collection assembly for collecting impurities attached to metal chips, and an up-and-down vibration material raising assembly for raising the waste metal chips, according to the vibration impurity removal device for waste metal recovery, the vertical vibration material raising assembly is located on the fixing frame, vibration blades can vibrate vertically in a small amplitude through operation of the vertical vibration material raising assembly, and therefore metal cuttings can be raised by vibration force; therefore, wind power can make more uniform contact with the metal cuttings to take away impurities on the metal cuttings, the problem that the impurity removal effect is poor due to the fact that vibration force of a traditional vibration impurity removal device is disordered is solved, and the separation efficiency of the impurities on the metal cuttings is improved.

The invention provides a protective machining tool suitable for drilling laminated materials, and belongs to the technical field of machining. The protective machining tool comprises four areas, namely a drilling area, a cuttings flow guide area, a discharged cuttings discharging area and a tool handle clamping area. The cutting flow guide area comprises a sleeve body and a part of cutter body. The tool takes a twist drill as a basic configuration, and cuttings are guided into a sleeve from a front tool face through the design of a fillet at the bottom end of the sleeve; the coaxiality and the positioning precision of the cutter and the sleeve are ensured by matching the pin with the pin holes of the holes in the cutter and the sleeve; the two symmetrical keys on the cutter are matched with the key grooves of the grooves in the sleeve, so that the influence of vibration on matching during cutting is reduced, and the matching stability is enhanced; and it is guaranteed that through cooperation of the sleeve and the cutter structure, scratches of lower-layer hard metal cuttings to an upper-layer soft rubber layer in the hole forming process are reduced, and finally the hole wall quality is improved.

The invention relates to the technical field of metal material machining, in particular to a metal material shearing machine which comprises a cutting mechanism, a backflow mechanism and a separating mechanism, the cutting mechanism is used for cutting metal coiled materials, the backflow mechanism is used for backflow of cuttings and cutting fluid, and the separating mechanism is used for separating the cutting fluid and the cuttings. By arranging the separating mechanism, chippings generated by cutting can be separated from cutting fluid, the problem that chippings are inconvenient to recycle due to mixing of the cutting fluid and the metal chippings is solved, when the separating mechanism works, a separating motor works, an inner separating barrel rotates, centrifugal force is generated, and the chippings are separated from the cutting fluid; therefore, the residual cutting fluid in the metal chips is separated from the metal chips, and the problem that the chips are inconvenient to recycle due to the fact that the cutting fluid is mixed with the metal chips can be avoided.

The utility model discloses a protective device for preventing metal scraps from splashing, which belongs to the technical field of protective devices and comprises a protective cover, a box type dust collector is arranged on one side of the protective cover, an adjustable dust collection component is arranged on the protective cover, an output end of the box type dust collector is connected with the adjustable dust collection component, and an observation box door is rotatably mounted on the protective cover. The adjustable dust collection assembly comprises a mounting sleeve, the mounting sleeve is mounted on the protective cover, a moving rod is slidably clamped in the mounting sleeve, the lower end of the moving rod is connected with a mounting frame, a threaded rod is rotatably mounted in the mounting sleeve, and a hand wheel is mounted at the end, extending to the upper end of the mounting sleeve, of the threaded rod. The height and the angle of the dust collection head can be flexibly and freely adjusted according to actual use requirements through the adjustable dust collection assembly and the box type dust collector, so that the dust collection device better conforms to various dust collection scenes, and metal chippings are effectively and conveniently removed.

The base structure of the double-machining-table numerical control machining center comprises a base, the top of the base is provided with two linear rail bosses which are used for installing linear rails and are parallel to each other in the first direction, and a first flow guide groove is formed between the two linear rail bosses. Chip grooves are formed in the outer sides, away from the first flow guide groove, of the two linear rail bosses, the two chip grooves penetrate through the base in the first direction, and second flow guide grooves communicating with the two chip grooves in the second direction are formed in the two ends of the first flow guide groove correspondingly; and the height of the bottom surface of the second diversion trench is lower than that of the bottom surface of the first diversion trench. According to the base structure of the numerical control machining center of the machining table, metal cuttings and cutting fluid can be automatically, timely and effectively discharged and collected, accumulation of the metal cuttings and the cutting fluid in equipment is reduced, and the stability and the machining efficiency of the equipment are improved.