75results about How to "Meet grinding needs" patented technology

The invention relates to the technical field of well lid machining, and particularly discloses an automatic grinding machine for a well lid, the automatic grinding machine comprises a supporting seat and a well lid body, a mounting frame is fixedly connected to the upper surface of the supporting seat, a motor is fixedly connected to the inner wall of the top of the mounting frame, and the output end of the motor penetrates through the mounting frame and is fixedly connected with a third gear; the top of the mounting frame is rotationally connected with a second gear, and the second gear and the third gear are meshed with each other; the well lid body can be stably clamped on the supporting base through the supporting block and the pressing disc, the lower surface of the well lid is tightly attached to the rolling wheel, when the motor drives the mounting base to rotate, the rolling wheel rolls to drive the grinding roller to rotate, the peripheral face of the well lid is ground, and during grinding, the grinding roller slides in the fixing plate to adapt to protrusions or burrs of different specifications; and the three groups of grinding rollers work in sequence, so that larger bulges and burrs can be quickly removed. In addition, the three sets of grinding rollers with different mesh numbers can meet the grinding requirement more quickly, and efficiency and quality are greatly improved.

The utility model belongs to the technical field of polishing equipment, and particularly relates to a multi-station six-axis force control 3D polishing machine which comprises a base. The base is provided with a grinding head mechanism, a workbench, a Z-axis linear module used for driving the grinding head mechanism to move in the Z-axis direction, a B-axis swing arm mechanism used for driving the grinding head mechanism to rotate around the B axis and an XY moving mechanism used for driving the workbench to move in the X-axis direction and the Y-axis direction. A plurality of polishing stations are arranged on the workbench, each polishing station is provided with a jig mechanism used for driving a product to rotate around an A axis and a C axis and a pressure compensation device used for conducting pressure compensation on the product, and the jig mechanisms are installed on the pressure compensation devices in a sliding mode through pressure sensing devices; and a plurality of grinding head units in one-to-one correspondence with the polishing stations are arranged on the grinding head mechanism. According to the six-axis five-linkage polishing machine, products on a plurality of polishing stations can be polished at the same time through six-axis five-linkage, efficiency and precision are high, meanwhile, the pressure sensing device and the pressure compensation device are arranged, the polishing quality is improved, each polishing station can be independently adjusted, and the machining consistency of the multiple polishing stations is guaranteed.

The utility model belongs to the technical field of precision grinding machines, and particularly relates to a six-axis precision grinding machine which comprises a base. The base is provided with a grinding head mechanism, a jig mechanism used for driving a product to rotate around an A axis and a C axis, a Y-axis linear module used for driving the jig mechanism to move in the Y-axis direction, an XZ moving mechanism used for driving the grinding head mechanism to move in the X-axis direction and the Z-axis direction, and a B-axis swing arm mechanism used for driving the grinding head mechanism to rotate around a B axis. The jig mechanism is installed on the Y-axis linear module in a sliding mode through a pressure sensing device. According to the six-axis five-linkage grinding machine, six-axis five-linkage all-directional grinding machining of products can be achieved, and the grinding requirements of complex-profile products and large negative angles are met; the pressure sensing device is arranged between the jig mechanism and the Y-axis linear module, the pressure between a product and the grinding head is monitored in real time, the XZ moving mechanism drives the grinding head mechanism to move for pressure compensation, constant-force grinding is achieved, and the grinding quality is improved.

The utility model belongs to the technical field of polishing equipment, and particularly relates to a multi-station five-axis force control 3D polishing machine which comprises a base. The base is provided with a grinding head mechanism, a workbench, a Z-axis linear module used for driving the grinding head mechanism to move in the Z-axis direction, a B-axis swing arm mechanism used for driving the grinding head mechanism to rotate around the B axis and an XY moving mechanism used for driving the workbench to move in the X-axis direction and the Y-axis direction. A plurality of polishing stations are arranged on the workbench, each polishing station is provided with a jig mechanism used for driving a product to rotate around a C axis and a pressure compensation device used for conducting pressure compensation on the product, and the jig mechanisms are installed on the pressure compensation devices in a sliding mode through pressure sensing devices; and a plurality of grinding head units in one-to-one correspondence with the polishing stations are arranged on the grinding head mechanism. According to the five-axis five-linkage polishing machine, products on the multiple polishing stations can be polished at the same time through five-axis five linkage, efficiency and precision are high, meanwhile, the polishing quality is improved by arranging the pressure sensing device and the pressure compensation device, each polishing station can be independently adjusted, and the machining consistency of the multiple polishing stations is guaranteed.

The utility model relates to the technical field of machining equipment, and provides a polishing device which comprises a bearing mechanism, a polishing mechanism and a position adjusting mechanism. The bearing mechanism comprises a first driving part and a carrier roller assembly, the first driving part is connected with the carrier roller assembly, the carrier roller assembly is provided with a grinding position used for bearing a to-be-ground product, and the first driving part is used for driving the carrier roller assembly to rotate so as to drive the to-be-ground product on the grinding position to rotate synchronously; the polishing mechanism is provided with a polishing piece facing the polishing position and capable of rotating relative to the to-be-polished product; the grinding mechanism is connected with the position adjusting mechanism, and the position adjusting mechanism is used for adjusting the relative position between the grinding mechanism and the bearing mechanism. According to the device, a plurality of positions of the upper cambered surface of a product to be polished are uniformly polished.

The invention relates to the field of pump production devices, in particular to a pump shaft polishing device which comprises a bottom plate, a sliding plate is arranged above the bottom plate, a sliding rod and a threaded rod are further arranged above the bottom plate, the threaded rod is driven by a positioning motor to rotate, the threaded rod penetrates through the sliding plate and is in threaded connection with the sliding plate, and the sliding rod penetrates through the sliding plate and is in sliding connection with the sliding plate. A rotating disc rotationally connected with the sliding plate is arranged on the sliding plate, the rotating disc is driven by a rotating motor to rotate, a positioning hole penetrating through the rotating disc is formed in the rotating disc, a plurality of fixing devices are evenly fixed to the position, on the peripheral side of the positioning hole, of the rotating disc, and each fixing device comprises a supporting shaft fixed to the rotating disc; the supporting shaft is provided with pressing rods rotationally connected with the supporting shaft, pressing blocks are fixed to the tail ends of the pressing rods, a plurality of threaded columns are further fixed to the rotating disc, a pressing plate is further arranged on one side of the rotating disc, and the threaded columns penetrate through the pressing plate and are in sliding connection with the pressing plate. The device can meet the polishing requirements of pump shafts with variable shaft diameters.

The utility model relates to a dental restoration tooth arrangement auxiliary device which comprises a working table, and the right side of the top of the working table is fixedly connected with two carrying plates; and the dust collection assembly comprises a dust box located on the opposite sides of the two carrying plates. Compared with the prior art, the polishing machine has the advantage of dust adsorption, dust generated in the polishing process is quickly and effectively adsorbed under the action of the dust collection assembly in the actual use process, the cleanliness of the working environment is remarkably improved, the cleanliness of the field environment can be easily maintained, the body health of workers can be better protected, and the polishing machine is worthy of popularization and application. And health risks such as respiratory diseases possibly caused by long-time exposure in a dust environment are reduced. And meanwhile, under the action of the adjusting assembly, the dust absorption angle and position can be adjusted, different dust absorption angles and positions may be needed for different grinding tasks, and the grinding requirements of workers in different scenes can be better met or met through adjustment.

The utility model discloses a full-automatic surface grinding machine, which relates to the technical field of grinding machines and comprises a bottom plate and a rotating rod, the rotating rod is rotatably arranged in the middle of the upper surface of the bottom plate, a first motor is fixedly arranged on the lower surface of the bottom plate, and the output end of the first motor is fixedly connected with one end of the rotating rod. A transverse plate is fixedly arranged at the upper end of the rotating rod, a first transverse rod is arranged below the transverse plate, a second transverse rod is arranged below the first transverse rod in parallel, first side plates are fixedly arranged on the two sides of the lower surface of the second transverse rod, and a grinding roller is rotationally arranged between the two first side plates; and a second motor is fixedly arranged on the outer side of the first side plate on one side. By the adoption of the double-station design, after a workpiece on one side is polished, the polishing mechanism can be rotated to the station on the other side to conduct highly continuous polishing work, time wasted by material changing is shortened, and production efficiency is improved.

The invention discloses anesthetic grinding equipment which comprises a storage barrel, a feeding assembly, a grinding assembly and a collecting assembly, a cover plate is fixedly connected to the top end of the storage barrel, a grinding knob driven by a motor is arranged at the axis of the top end of the cover plate, and limiting rods are fixedly connected to the two sides of the inner contour of the storage barrel. A feeding port is formed in the outer contour of the side, close to the top end, of the storage barrel. By arranging the feeding assembly, medicine to be ground is pushed and extruded while adding of the medicine is completed, and then the situation that the grinding effect is reduced due to rigid contact collapse of the medicine in the grinding process is avoided; by arranging the grinding assembly, the grinding degree can be freely adjusted while medicine grinding is achieved, and then the medicine grinding requirements in different scenes are met; and by arranging the collecting assembly, the grinding assembly is continuously knocked to reduce powder attachment while the ground medicine powder is collected, and then the grinding error of the equipment is reduced.

The utility model discloses a derusting device for machining center part production, which comprises a body, tempered glass is fixedly connected to the front of the body, a power motor is fixedly connected to the inside of the body, a power belt is connected to the back of the power motor, a power shaft is fixedly connected to the inner wall of the power belt, and a fixed roller is fixedly connected to the outer wall of the power shaft. The inner wall of the upper end of the body is fixedly connected with a telescopic rod, the lower end of the telescopic rod is fixedly connected with a fixator, the interior of the fixator is connected with a polishing motor, the lower end of the polishing motor is connected with a polishing structure, the upper end of the body is connected with a purifier, a fixing structure is inserted into the back face of the purifier, and the inner wall of the fixing structure is connected with an intercepting net. The rust removal equipment for machining center part production has the advantages that dust generated during rust removal of tubular parts can be adsorbed and collected, and the working safety of operators is improved, so that the problems and defects of an existing device are effectively solved.

The invention discloses a multi-angle grinding and fixing device for a cylinder sleeve, which relates to the technical field of grinding and comprises a support plate and a moving mechanism arranged on the support plate and used for driving a clamping mechanism to change positions; the clamping mechanism is arranged on the moving mechanism and is used for limiting and clamping the cylinder sleeve; the distance adjusting mechanisms are arranged on the two sides of the clamping mechanism and used for enabling the grinding head to be attached to the inner wall and the outer wall of the cylinder sleeve. According to the cylinder sleeve polishing device, the moving mechanism can adjust the position of the clamping mechanism through cooperation of the moving motor and the conveying lead screw, so that the polishing assembly can polish the part, covered with the clamping mechanism, of the cylinder sleeve, comprehensive polishing of the cylinder sleeve is guaranteed, and the polishing quality is improved.

The utility model discloses a large-diameter pipeline section grinding device which comprises a fixed workbench, a movable workbench and a vertical grinding machine are sequentially installed on the top face of the fixed workbench from left to right, and a three-jaw chuck clamp and a rotatable clamp are sequentially welded to the top face of the movable workbench. According to the large-diameter pipeline section grinding device, the grinding requirement of a large-diameter pipeline can be met, cutting residues on the surface of the pipeline are effectively removed, the grinding efficiency is high, the automation degree of the grinding process is high, manual operation is not needed, the working efficiency is improved, waste of the large-diameter pipeline is reduced, and the assembly welding efficiency of the large-diameter pipeline is improved.

A titanium alloy product surface treatment device belongs to the technical field of titanium alloy product surface repair, which comprises a base, a supporting frame is fixedly installed on the upper surface of the base, a polishing mechanism capable of adjusting polishing height is arranged in the supporting frame, a T-shaped feeding table is transversely and slidably installed on the upper surface of the base, two directional rods are fixedly installed on the upper surface of the T-shaped feeding table, a supporting table is interactively installed between the other directional rods, a compression spring is fixedly installed between the right surface of the supporting table and the right upper end of the T-shaped feeding table, a driving mechanism is installed on the left side of the T-shaped feeding table, an adaptive carrier mold is detachably installed on the upper surface of the supporting table, and a carrier groove lower than the thickness of the carrier is arranged on the upper surface of the adaptive carrier mold. The single contact mode of the prior art linear stable feeding is changed, the contact points of the workpiece and the polishing mechanism are dynamically switched, the polishing pressure is uniformly dispersed to the whole surface to be treated, and the problem of local concentration of the polishing pressure of the existing device is effectively solved.

This utility model belongs to the field of mineral product grinding technology, and in particular, a mineral product grinding device. The mineral product grinding device includes a base, a grinding jar fixedly connected to the center of the top wall of the base, a feed inlet on the top wall of the grinding jar, and a grinding assembly for grinding mineral products installed on the top of the base. The grinding assembly includes a support plate fixedly connected to the left end of the top wall of the base, a fixed plate fixedly connected to the top wall of the support plate, and a discharge assembly for controlling the output size of the ground mineral products installed inside the grinding jar. The assembly also includes a motor, which is fixedly installed on the top wall of the fixed plate via support rods on both sides. The grinding assembly can thoroughly grind the mineral products to be ground, allowing the operator to collect the ground mineral powder. Furthermore, the discharge assembly can be adjusted according to different grinding needs to meet the grinding requirements of mineral powder of different sizes.

The utility model discloses a polishing device for bell housing machining, and relates to the technical field of bell housing machining, the polishing device comprises a device main body, the outer surface of the bottom end of the device main body is fixedly connected with supporting legs, the outer part of the top end of the device main body is fixedly connected with a top plate, and the top of the top plate is fixedly connected with a workbench; the outer surfaces of the two sides of the workbench are fixedly connected with supporting bases, the outer surfaces of the top ends of the supporting bases are fixedly connected with connecting blocks, and the outer surfaces of the two sides of each connecting block are fixedly connected with reinforcing plates. And secondly, the connecting end and the fixing ring form a rotating structure through the cooperation between the guide groove and the sliding end, and the design enables the grinding end to rotate, so that the grinding requirement of a complex shape is met, the grinding head better adapts to curvature changes, and the machining precision is improved. The grinding effect is improved.

The utility model relates to the technical field of elevator accessory machining, and aims to provide an elevator accessory plane polishing machine which is characterized in that an elevator accessory is placed on a moving plate, and a rotating handle is rotated to drive a clamping plate to clamp and fix the elevator accessory, so that the stability of the elevator accessory in the polishing process is ensured; and meanwhile, elevator accessories of different sizes are clamped, adjusted and fixed, an electric telescopic rod can drive a mounting frame and a polishing disc to descend, the polishing disc makes contact with the elevator accessories, a polishing motor drives the polishing disc to rotate to polish the elevator accessories, and in the polishing process, a driving motor can drive a threaded rod to rotate, so that the elevator accessories are polished. And then the threaded rod drives the fixing plate to move longitudinally, so that the polishing disc is driven to move longitudinally, the moving plate can be pushed to move through the air cylinder, so that the moving plate is driven to move transversely, and the grinding requirements of different positions of the elevator accessories can be better met by adjusting the transverse position and the longitudinal position.

The utility model relates to a grinding device, and provides a glass edge continuous grinding device which comprises an equipment main body, a control panel, a fixed table, a placing table and the like, a machining cavity is formed in the equipment body, a liquid outlet is formed in the rear lower portion of the machining cavity of the equipment body, a fixing table is fixedly arranged in the equipment body, intervals exist between the periphery of the fixing table and the corresponding sides of the inner wall of the equipment body, and a containing table is arranged on the fixing table. The glass plate is adsorbed and fixed through the placing table, the grinding wheel component with the groove is driven through the first transmission piece, the second transmission piece, the air cylinder and other components, continuous grinding is achieved along the edge of the glass, and the position of the glass does not need to be adjusted midway; and the grinding requirements for glass of different models and special-shaped glass can be met by replacing the placing tables of different models.

The utility model discloses a kind of grinding equipment for automobile belt pulley processing, belong to polishing equipment technical field, it includes polishing frame, the side of polishing frame is equipped with control cabinet, the inside of polishing frame is equipped with rotary clamping structure, the side of polishing frame is equipped with adjusting polishing structure, the rotary clamping structure includes first motor, the first motor is installed in the side of polishing frame, the output of first motor is fixedly connected with transmission rod, one end of transmission rod is fixedly connected with rotating plate, this grinding equipment for automobile belt pulley processing, by setting rotary clamping structure, under the action of rotating plate, cooperation first motor drives clamping disc rotation, and then make two clamping discs can interchange position, in actual processing process, when the component on one clamping disc is polished, the component on another clamping disc can be unloaded and fed, and then the overall processing time can be reduced, and processing efficiency is improved.

The utility model discloses cleaning type polishing equipment for polishing the side surface of a flange, which belongs to the technical field of metal processing equipment, comprises a lower plate and an upper plate positioned right above the lower plate, and is characterized in that lifting cylinders are vertically and fixedly arranged at four corners of the upper part of the lower plate, and the output ends of the lifting cylinders are fixedly connected with the upper plate; a positioning air cylinder is vertically and fixedly arranged on the lower portion of the upper plate, an upper motor is vertically and fixedly arranged in the middle of the upper portion of the upper plate, an output shaft of the upper motor penetrates through the upper plate downwards, and an upper rotating shaft is vertically and fixedly arranged on the lower portion of the output shaft of the upper motor. According to the flange grinding machine, the overall structure is simple, so that the needed cost is low, meanwhile, the machining requirements of flanges of different specifications for grinding can be met, the grinding quality and cleanliness are both considered, and the related requirements of small enterprises are effectively met.

The utility model discloses a grinding machine tool, it includes support frame, base, drive seat and workstation, the support frame is located base top, the workstation is along horizontal direction and is connected in base with sliding, drive seat is connected with sliding in support frame and the sliding direction is perpendicular with the workstation sliding direction, drive seat is connected with sliding along vertical direction and has the tool holder, drive seat and support frame are through the connecting piece sliding fit, drive seat is equipped with the installation hole that supplies big main shaft to insert, big main shaft drives the tool head to grind the product on the workstation, the workstation bottom is equipped with the sewage slot, and the sewage slot both ends are through the base both sides and are equipped with the collection box correspondingly, is equipped with the vibrating element in the sewage slot, and the bearing surface of workstation is to the sewage slot inside inclined structure. The utility model has the effect of adapting the demand of long time continuous production.

The application discloses a kind of self-adapting polishing system and method of single type deflection reach stacker girder, comprising: line sweep laser sensor, flexible tooling, controller, polishing robot end;Polishing method is: collecting girder laser scanning data and analysis, obtain girder pose data and adjust girder to standard pose according to girder pose data;Scan girder surface under standard pose, respectively obtain the deflection deformation of girder surface, the appearance of weld surface;And according to the appearance of weld surface, obtain weld width, height data and automatically adjust polishing processing parameters;Polishing trajectory is generated based on adjusted polishing processing parameters for controlling polishing robot end;The application is by integrating workpiece pose adjustment algorithm, polishing trajectory guiding algorithm and laser line sweep sensing technology, to solve adaptive polishing problem, improve artificial polishing effect, to realize the automation of adaptive polishing process with deflection deformation girder guiding and improve the environmental problem caused by polishing.

The utility model relates to the technical field of kettle-bell grinding and polishing, in particular to a full-automatic grinding and polishing workstation for kettle-bells, which comprises a bottom plate and a sand blasting device, a protective shell is arranged on the upper side of the bottom plate, a controller is arranged on the front side of the protective shell, an electric cabinet is arranged on the upper side of the bottom plate, and a box plate is arranged on the front side of the protective shell. A limiting groove is formed in the upper side of the bottom plate, a conveying belt is arranged on the upper side of the protection shell, a plurality of grooves are formed in the outer side of the conveying belt, kettle-bells are arranged in the grooves, a kettle-bell bottom outer side grinding part is arranged on the upper side of the protection shell, a sand blasting supporting assembly is arranged on one side of the conveying belt, and a sand blasting assembly is arranged on the upper side of the bottom plate. The automatic sand blasting machine can meet the machining requirements of kettle bells of different specifications, fine grinding and comprehensive and uniform sand blasting treatment on the outer sides of the bottoms of the kettle bells are achieved through accurate mechanical structure design and an automatic control system, and the production efficiency and the product quality are improved.

The utility model discloses a kind of polishing frock of super large rotor end face, it is related to end face polishing technical field, including rotor shield ring, the bottom bracket body is equipped in the lower rotor shield ring, fixed mounting is equipped with side bracket body on the bottom bracket body, connecting piece is installed on the side bracket body and the bottom bracket body, polishing mechanism is installed on the side bracket body, the polishing mechanism includes fixed mounting on the hydraulic oil cylinder of side bracket body, the output end of the hydraulic oil cylinder is connected with positioning bracket body, fixed mounting is equipped with servo turntable in the middle position of positioning bracket body, the output end fixed mounting of servo turntable has rotary arm, dust prevention mechanism is installed in the rotor shield ring, sliding block is slidably installed in the end of rotary arm, locking screw is fixedly installed on the sliding block with screw thread. The polishing frock of this super large rotor end face, polishing mechanism can polish the rotor shield ring of different diameters, dust prevention mechanism can prevent debris into rotor shield ring.

The utility model belongs to seamless steel tube polishing technical field, concretely relates to a kind of seamless steel tube polishing device, including base, end face polishing device is equipped on base, end face polishing device side is equipped with outer ring polishing device, outer ring polishing device both sides are equipped with carrier roll, base side is equipped with feeding table, feeding table side is equipped with feeding cylinder, end face polishing device includes the end face fixed plate being equipped on base, end face fixed plate is equipped with end face rail plate, end face rail plate is equipped with end face sliding table, end face sliding table is equipped with end face mounting plate, end face mounting plate lower side is equipped with fixed block, fixed block is connected with end face cylinder, end face motor on end face mounting plate, end face motor side is equipped with end face grinding disc, end face grinding disc is equipped with end face shield.The utility model cooperates with the outer ring polishing device of symmetrical setting by end face polishing device, realizes the synchronous or continuous polishing of seamless steel tube end face and outer circle surface, need not multiple clamping.

The utility model provides a precision optical component inner aperture grinding device, which relates to the technical field of optical precision machining.The inner aperture grinding device comprises an electric rotary table, a grinding rod, a fixed claw, a center rod, a horizontal guide rail, a clamping claw, a large bevel gear and a small bevel gear, and the small bevel gear and the large bevel gear are driven by a power device to rotate and work. The spiral slide way enables the teeth to slide along the slide way, then the clamping jaw drives the grinding rod to move along the sliding groove in the bottom end of the center rod, the grinding rod can be adjusted according to different inner hole diameters of a machined element, machining precision is high, the procedure steps are saved, the grinding rod does not incline by an angle relative to the machined element, and machining efficiency is improved. The problems that in the existing manual grinding process, the grinding effect difference is large, batch production is difficult to meet, and grinding is not uniform due to angle deviation of an inner hole diameter machining area of a machined element are solved.

This utility model provides a vibration structure for a spherical graphite vibratory grinding device, belonging to the technical field of spherical graphite vibratory grinding devices. The vibration structure includes: a vibratory body, a vibration excitation device, a support base, a transmission shaft, an adjustment mechanism, and a sealing cover. The vibratory body is cylindrical, with a spherical grinding cavity inside, the inner wall of which is made of stainless steel. The support base is fixedly mounted on the ground, and its upper surface is connected to the bottom of the vibratory body via a shock-absorbing spring assembly. The vibration excitation device includes an eccentric wheel and a drive motor, which is fixedly mounted on the side wall of the support base. The output shaft of the drive motor is connected to the transmission shaft via a coupling. This invention solves the technical problems of uneven grinding, poor vibration control accuracy, and insufficient equipment stability in existing spherical graphite grinding devices.

The utility model provides an efficient copper grinding machine for plate roller processing, which relates to the technical field of plate roller processing and comprises a grinding box, a plate roller body, clamping components and a dust collection component, the plate roller body is arranged in the grinding box, and the clamping components are arranged on two sides of the outer end of the plate roller body and used for clamping and fixing the plate roller body. A dust collection assembly is arranged on one side of the outer end of the plate roller body and used for removing copper powder generated by polishing of the plate roller body. According to the efficient copper grinding machine for plate roller machining, copper powder generated during plate roller body grinding can be sucked away through the dust suction assembly, the situation that the copper powder floats into air to pollute the surrounding environment is avoided, the plate roller bodies of two specifications can be clamped through the clamping assembly, and therefore the grinding requirements of the plate roller bodies of different specifications are met.

This utility model discloses an abrasive belt structure, comprising a substrate and an abrasive layer disposed on the substrate. The substrate is a metal wire mesh substrate, which includes a plurality of warp metal wires and a plurality of weft metal wires. The weft metal wires are arranged sequentially at intervals along the warp direction, and the warp metal wires are arranged sequentially along the weft direction and interwoven with each other. The diameter of the weft metal wires is larger than the diameter of the warp metal wires. In this utility model, the substrate is a metal wire mesh substrate, formed by the interweaving of warp and weft metal wires. The diameter of the weft metal wires is larger than the diameter of the warp metal wires, and the warp density is greater than the weft density, allowing for a densely woven metal mesh with high tensile strength and low elongation, meeting the requirements for long-term, high-volume grinding applications.

The application relates to the technical field of environment-friendly regenerated material production equipment, in particular to an environment-friendly regenerated material double-screw extruder and method, which comprises a feeding driving mechanism, a feeding extruding mechanism, a mixing driving mechanism and a mixing extruding mechanism. The feeding driving mechanism is used for driving the feeding extruding mechanism, the mixing driving mechanism is used for driving the mixing extruding mechanism, the feeding extruding mechanism is used for feeding materials, the feeding extruding mechanism comprises a feeding tank body, a feeding fixing support, a feeding main screw, a feeding driven screw and a feeding connecting seat, both ends of the feeding tank body are respectively provided with a feeding port and a discharging port, and the discharging port is used for connecting the mixing extruding mechanism. The feeding main screw in the grinding channel and the feeding driven screw work cooperatively, not only realizing the stable conveying of the materials from the feeding port to the discharging port, but also efficiently grinding the materials in the conveying process, which is helpful to improving the dispersivity and uniformity of the materials.

The utility model relates to the technical field of nut production, in particular to a knurled nut grinding machine which comprises a conveying mechanism and a grinding mechanism, the conveying mechanism comprises a conveying rack and a conveying belt arranged in the conveying rack, a separation limiting plate is arranged on the upper side of the conveying rack, and the separation limiting plate is fixedly arranged on the conveying rack and located above the conveying belt. The conveyor belts comprise a first conveyor belt and a second conveyor belt which are horizontally arranged, the polishing mechanism comprises a top polishing assembly and a bottom polishing assembly, the top polishing assembly is arranged at the upper end of the first conveyor belt, and the bottom polishing assembly is arranged at the lower end of the conveyor belt and located between the first conveyor belt and the second conveyor belt. According to the nut polishing device, the top polishing assembly and the bottom polishing assembly are arranged to polish the upper side and the lower side of a nut, the automation degree is high, the nut batch polishing efficiency is improved, meanwhile, the separation limiting plate plays a role in limiting the nut, and the nut is prevented from being displaced due to external force in the transporting and polishing process.