44results about How to "Improve grinding quality" patented technology

The invention relates to the field of hard alloy product production, in particular to a production method of a high-toughness and wear-resistant hard alloy. A production method of a high-toughness and wear-resistant hard alloy comprises the following steps that S1, raw materials including, by mass, 40%-45% of WC powder, 25%-35% of Fe powder, 3%-5% of Si powder, 0.95%-1.16% of C powder, 2.5%-3.2% of Ni powder, 9%-12% of Co powder, 1.75%-2.05% of Mo powder and 0.15%-0.3% of VC powder are taken, and the purities of all the powder components are all larger than 99%; s2, mixing the raw material powder in the step S1 with a ball milling medium according to a ratio, and mixing by adopting a wet ball milling process; s3, drying the slurry, and sieving to prepare granules; s4, pressing the granules into a hard alloy blank; s5, the hard alloy blank is sintered in a vacuum or low-pressure sintering furnace, and the sintering temperature is controlled to be 1180-1250 DEG C; and S6, after sintering is completed, a sintered body is cooled, precision machining is conducted according to requirements, and a product is obtained. The high toughness and wear resistance of the hard alloy material are remarkably improved.

An online slip ring grinding device and its method of use include a brush holder with a detachable grinding body adjustment device. The grinding body adjustment device includes a sliding sleeve insert connected to a support tube arm, which in turn connects to a brush box. The brush box contains a grinding body and a first spring, with the grinding body cooperating with the first spring. A brake rod is located within the support tube arm, its middle section connected to the support tube arm via a second fixing pin. One end of the brake rod has a grinding body braking protrusion for braking the grinding body, and the other end has a trigger protrusion that cooperates with a cam. The cam is mounted on an operating rod, with a handle at the end of the operating rod. A second spring is located on the brake rod for resetting the brake rod. This invention enables grinding of slip rings without shutting down the equipment, ensuring a sufficient safe distance between the operator and the slip ring device, thus enhancing operator safety.

The utility model relates to abrasive wheel equipment technical field especially is related to a water abrasive wheel with sawtooth structure, it includes metal matrix and tool bit. Tool bit sets up annular structure, and tool bit fixedly connected on metal matrix. The side surface of tool bit is provided with the grinding surface. The outer circumferential side of tool bit is provided with a plurality of sawteeth, a plurality of sawteeth are sequentially spaced along the circumferential direction of tool bit, and the thickness of a plurality of sawteeth is same with the thickness of tool bit. In the grinding process, the sawtooth first contacts the porcelain tile and polishes, and the gap between two adjacent sawteeth is equivalent to a cutting edge, and tool bit rotates a circle, which is equivalent to multiple feed grinding, greatly increases the grinding sharpness of product, thereby can improve the processing efficiency and grinding quality of porcelain tile.

According to the titanium and titanium alloy glasses frame plate polishing and grinding device, a trolley is arranged on the platform face of a platform frame, supporting wheels distributed in the width direction of the trolley are symmetrically installed on the front side of the bottom face of the trolley, and a polishing and grinding assembly arranged at the rear end of the upper plane of the trolley is connected with a transmission driving device arranged on the trolley; the transmission driving device drives the polishing and grinding assembly to polish and grind the gold glasses frame plate placed on the platform frame. A dust suction device used for sucking dust generated in the polishing and coping process is arranged at the front end of the platform face of the platform frame. The transmission driving device drives the polishing and grinding assembly to rotate to polish and grind a gold spectacle frame plate placed on the platform frame, the defect that polishing and grinding of tiny flaws on the surface of a spectacle frame are inconvenient is overcome, and the polishing and grinding efficiency and quality of the tiny flaws on the surface of the spectacle frame are improved. And the dust content in the polishing and coping process is reduced, and a relatively healthy working environment is provided for workers.

The utility model provides a kind of vibration platform structure of spherical graphite vibration grinding machine, belong to graphite vibration grinding machine technical field, the vibration platform structure of this spherical graphite vibration grinding machine, it include: vibration platform body, vibration excitation device, elastic support component, grinding vessel, transmission connecting mechanism and damping control device, vibration platform body is rectangular plate, and upper surface central fixed spherical grinding vessel;Excitation motor is fixed in the center of bottom surface, output shaft is coaxial with eccentric wheel component, and main, vice eccentric wheel is divided on the upper and lower ends of rotating shaft;Each elastic support unit is arranged in four corners, including support seat and helical compression spring, support seat bolt is fixed bottom surface, and spring lower end is connected ground surface;Vibration is transmitted to grinding vessel by platform by transmission connecting mechanism;The utility model can solve the technical problems that vibration transmission efficiency is low, grinding uniformity is poor and equipment stability is insufficient in the vibration platform structure of spherical graphite vibration grinding equipment in the prior art.

The application provides a middle shaft bowl set surface grinding device capable of reducing noise, relates to the technical field of middle shaft bowl set grinding, and comprises a fixed base, one side of the fixed base is provided with a fixed support plate, the top of a sealing cover is provided with an air pump, an output end of the air pump is provided with a main flow pipe, the sealing cover is located on the outer side of a positioning cover, the side of the main flow pipe is connected with a branch flow pipe, the branch flow pipe penetrates through the side of the sealing cover and is provided with a cleaning pipe, the cleaning pipe is installed on the inner side of the sealing cover, a groove is formed in the cleaning pipe, and the cleaning pipe is located at the bottom of a sound-absorbing plate. High-pressure airflow is guided to the cleaning pipe through the main flow pipe and the branch flow pipe, the high-pressure airflow sprayed from the groove of the cleaning pipe is used for cleaning the metal dust attached to the sound-absorbing plate, the problem that the metal dust is accumulated on the sound-absorbing plate is effectively avoided, and the problem that the metal dust generated in the grinding process is diffused along with airflow and attached to the surface of the sound-absorbing material, thereby seriously weakening the noise reduction effect is solved.

The utility model relates to a kind of four-slot dynamic and static pressure spindle structure, it includes main shaft, sliding bearing and thrust bearing, the sliding bearing is sleeved on main shaft, the thrust bearing is connected with main shaft;Four slots are equipped on the sliding bearing, the inner surface of sliding bearing is divided into upper static pressure cavity, lower static pressure cavity, front end static pressure cavity and rear end static pressure cavity, the four slots completely disconnect each static pressure cavity, to enhance the dynamic pressure effect when main shaft rotates, improve the rigidity of main shaft.The rigidity of the utility model main shaft is significantly improved, operates more stably, so the grinding capacity that can be borne is also stronger.This not only improves grinding efficiency, but also significantly improves grinding quality, especially the surface quality of roller.

The utility model discloses a kind of semiconductor polishing liquid anti-deposition devices, including the storage tank for storing semiconductor polishing liquid, the side surface of the storage tank is equipped with circulation conveying component for semiconductor polishing liquid circulation, rotating drive component is installed on the position of the storage tank and corresponding the circulation conveying component, the bottom of the storage tank is also equipped with agitating component for semiconductor polishing liquid agitation, the circulation conveying component includes fixedly connected in the bottom of the side surface of the storage tank circulation pump, conveying pipe is installed on the circulation pump, rotatable annular pipe is connected to the other end of the conveying pipe.The utility model is by circulation pump and is sent to annular pipe by conveying pipe in the storage tank polishing liquid and is evenly sprayed by spray head, positive and negative rotation motor drives driving link to make annular pipe reciprocating rotation expand spraying range, while agitating motor drives agitating blade to agitate the polishing liquid in the storage tank, ensure its uniform distribution.

The utility model discloses hot pepper accurate grinding equipment which comprises a coarse grinding seat, a guide hopper is arranged at the lower end of the coarse grinding seat and connected with an accurate grinding assembly, a first electric rotating base is arranged in the middle of the coarse grinding seat, and an output shaft of the first electric rotating base is fixedly connected with a driving frame. A grinding roller is rotatably arranged on the driving frame, a steel mesh is arranged at the bottom of the coarse grinding seat, the fine grinding assembly comprises a fixed grinding disc and a movable grinding disc, a grinding chamber is formed between the fixed grinding disc and the movable grinding disc, the movable grinding disc is driven by a second electric rotating base, and the movable grinding disc comprises a conical surface. According to the utility model, the coarse grinding seat is used for carrying out primary grinding on the chili materials, the fine grinding assembly is used for carrying out secondary grinding on the chili materials, the grinding quality is improved by adopting a twice grinding mode, the fine grinding of the chili materials is realized, the finely ground chili materials are discharged through edge gaps of the grinding chamber, and the chili materials which are not completely finely ground are continuously left in the grinding chamber for grinding; and finishing the fine grinding.

The utility model discloses a diamond grinding belt, including the body of a belt, the outside of body of a belt is covered with diamond micro powder layer, the diamond micro powder layer is formed by diamond micro powder and adhesive mixture and is attached to the body of a belt after. The utility model provides technical scheme through adopting diamond micro powder as abrasive, has high hardness, good wear resistance and other specific, compares ordinary grinding belt, can more efficiently cut material in the grinding process, thereby improves grinding efficiency and grinding accuracy.

The application provides a silicon carbide grinding cooling device, relates to the field of silicon carbide, and improves the problem that the prior art grinding cooling device is difficult to cool during use. In the grinding process of silicon carbide powder, a large amount of heat is generated due to friction and impact, if the heat cannot be dissipated in time, the temperature of the grinding area is increased, and then the performance and grinding quality of the silicon carbide powder are affected. The device comprises a shell and a grinding body, shielding mechanisms are arranged on the two sides of the shell and used for shielding the device, a cooling mechanism is arranged on one side of the shell and used for cooling and lowering the temperature of the grinding body, and the grinding body is fixedly installed on the inner wall bottom end of the shell. The cooling mechanism comprises a water pipe and a heat conduction plate, the water pipe is wound on the surface of the grinding body, the water pipe penetrates through the surface of the shell, and the heat conduction plate is installed on one side of the shell. The device can be cooled during use, and the grinding quality can be improved.

This utility model relates to a bare optical fiber polishing fixture, including a polishing jig and a positioning jig. The polishing jig includes a positioning plate, an upper pressure plate, and a lower base plate stacked sequentially. The positioning plate has an optical fiber positioning groove extending through its front and rear ends. The optical fiber positioning groove is formed by an array of bare fiber grooves for accommodating bare optical fibers. The upper pressure plate is located at the upper part of one end of the positioning plate and is attached to the positioning plate to clamp the bare optical fiber. The lower base plate is located at the lower part of one end of the positioning plate and is attached to the positioning plate to support the positioning plate. The polishing jig is placed on the positioning jig to position the length of the bare optical fiber extending out of the polishing jig. This utility model, through the cooperation of the polishing jig and the positioning jig, not only enables multiple optical fibers to be fixed simultaneously in the polishing jig for overall clamping, improving clamping stability, but also reduces the risk of easy breakage of the end of a single optical fiber due to friction from the polishing paper, thereby improving the polishing efficiency of bare optical fibers.

The utility model relates to the technical field of oilstone pressing, in particular to an oilstone follow-up pressing mechanism for a brake valve grinding miller, which comprises a mounting table, a linear electric sliding table, a pull rod and an oilstone, the linear electric sliding table is arranged on the mounting table, the moving end of the linear electric sliding table is connected with one end of the pull rod, and the other end of the pull rod is connected with one end of the oilstone. The oilstone is driven by the linear electric sliding table to do linear reciprocating motion; the stone pressing frame is arranged on the mounting table, the stone pressing lead screw is rotationally arranged on the stone pressing frame, the stone pressing motor is arranged on the stone pressing frame and is in transmission connection with one end of the stone pressing lead screw, the stone pressing sliding seat is arranged on the stone pressing lead screw, the stone pressing connecting plate is fixed to the stone pressing sliding seat, and one side of the stone pressing rod is fixed to the stone pressing connecting plate. And the stone pressing rollers are arranged at the inner ends of the stone pressing rods. The stone pressing rod and the oilstone can do linear reciprocating motion synchronously, it is guaranteed that the stone pressing rod abuts against the middle of the oilstone, and the oilstone is evenly stressed.

The application relates to a microsphere grinding method and device based on a reverse variable-speed drive, wherein the method comprises the following steps: determining the working conditions and structural parameters of simulation and test microsphere grinding, establishing a topological model of a simulation object, and importing the topological model into a dynamics simulation software; simulation calculation is performed by using the dynamics simulation software, related data of the microspheres are obtained by comparison simulation, and whether the microsphere revolution collision phenomenon exists in the simulation result is judged; if the microsphere revolution collision phenomenon exists, a time-varying driving speed function is traced back, the time-varying driving speed function is applied to actual microsphere grinding test, finally, when the preset relatively stable revolution running conditions among the microspheres are met, a corrected time-varying function is derived, and the corrected time-varying function is applied to actual variable-speed grinding. Therefore, the problem that due to the fixed eccentricity of the grinding disc, the revolution speeds of the microspheres at different positions are different, and when multiple microspheres grind at the same time, the microspheres are prone to collision, thereby causing surface defects and size deviation and the like is solved.

This utility model relates to the technical field of coffee grinding devices, specifically to a coffee grinding device with fine-tuning function. It includes a frame with a grinding chamber inside. The grinding chamber has a feed inlet at the top and a sieving chamber at the bottom. A grinding layer is slidably disposed inside the grinding chamber. Electric push rods are symmetrically installed on the bottom wall of the grinding chamber, and the output end of each electric push rod is fixedly connected to the grinding layer. This utility model, through the electric push rods, can adjust the distance between the coffee beans and the grinding blocks by pushing the grinding layer upwards during grinding. A smaller distance ensures full contact between the coffee beans and the grinding blocks, effectively improving grinding efficiency and quality. Through the combined use of the grinding layer, filter, vibrator, and spring, the ground coffee can be sieved and repeatedly ground to ensure the fineness of the ground coffee particles meets requirements.

The invention provides a multi-stage differential pulping system for improving fiber forming, and relates to the field of paper production, the multi-stage differential pulping system comprises a trapezoidal bracket, a coarse tooth main body, a first-stage box body, a middle tooth main body, a middle-stage box body, a fine tooth main body, a final-stage box body, a pulping and discharging mechanism and a collecting and connecting mechanism; the coarse tooth body is fixedly connected to the upper end face of the trapezoidal support. The primary box body is fixedly connected to the upper end surface of the trapezoidal bracket; the middle tooth body is fixedly connected to the upper end face of the trapezoid support. The intermediate box body is fixedly connected to the upper end surface of the trapezoidal bracket; the fine tooth body is fixedly connected to the upper end face of the trapezoidal support. The last-stage box body is fixedly connected to the upper end face of the trapezoidal support. The pulping and discharging mechanism is arranged in the coarse tooth main body; and the collecting and connecting mechanism is arranged on the first-stage box body. The processing quality of paper pulp is improved through the pulp grinding and discharging mechanism, and the paper production quality is improved through the collecting and connecting mechanism. The problem that the filter screen is easily blocked by fibers is solved.

The utility model discloses a silicon carbide micropowder superfine grinding device which comprises a base, the upper surface of the base is fixedly connected with two L-shaped fixing columns, the opposite ends of the two L-shaped fixing columns are jointly and fixedly connected with a grinding box, the grinding box is provided with a conveying structure, and the conveying structure is arranged on the base. First sliding grooves are formed in the opposite sides of the interior of the grinding box correspondingly, a sieve plate is jointly and slidably connected to the interiors of the two first sliding grooves, two springs are fixedly connected to the upper surface of the sieve plate, and the other end of each spring is fixedly connected to the inner top of the corresponding first sliding groove. According to the silicon carbide micro-powder screening device, the conveying hopper, the conveying pipe, the first discharging pipe, the auger, the first servo motor and the like are arranged, unqualified silicon carbide micro-powder falls into the conveying hopper through vibration of the sieve plate, meanwhile, the first servo motor drives the auger to rotate, and the auger conveys the unqualified silicon carbide micro-powder upwards; and then the materials fall into the storage hopper through the first discharging pipe to be ground again, and the grinding quality is improved.

The invention relates to the technical field of centerless grinding machines, in particular to a centerless grinding machine constant tangent angle grinding control system which comprises a constant tangent angle control module and a bracket lifting mechanism, the constant tangent angle control module calculates the theoretical center height h0 of a workpiece, then the workpiece is subjected to trial grinding, the grinding wheel linear speed and the guide wheel linear speed are kept constant, and the bracket lifting mechanism is started; the bracket lifting mechanism adjusts the center height h of the workpiece according to the shape of the workpiece to finely adjust the tangent angle R until a qualified product is ground and an accurate value of the tangent angle R is obtained, and after the tangent angle R is determined, the current center height value is obtained according to a formula (1); and subsequently grinding the workpiece according to grinding wheel linear speed constant control, guide wheel linear speed constant control and tangent angle constant control to obtain a qualified product.

The utility model relates to the technical field of non-metallic mineral products, and discloses a non-metallic mineral product grinding device which comprises a machine body, one side of the machine body is rotatably connected with a machine door through a hinge, supporting legs are fixed to the four corners of the bottom of the machine body, and a feeding port is formed in the top of the machine body. According to the non-metallic mineral product grinding device, a push plate is pushed to drive a push rod to extrude the two ends of an elastic clamping block, at the moment, a rotating rod is pulled to drive a lower protruding block to move in the direction of the rotating rod, the inclined face of the lower protruding block can generate force on an upper protruding block, the upper protruding block is driven to move, and the elastic clamping block is driven to leave the interior of a T-shaped groove; through the arrangement, the aperture of the sieve plate can be flexibly adjusted according to different grinding requirements, the adaptability and the flexibility of the grinding device are improved, the grinding device can meet diversified production requirements, meanwhile, the sieve plate is convenient to maintain, and the grinding efficiency and the product quality are improved.

The utility model discloses a grinding machine bracket for cutter grinding, and relates to the technical field of grinding machine auxiliary equipment. The grinding machine comprises a grinding machine body and further comprises a base, a positioning rotating shaft is installed at the bottom of the base, a sleeve is installed on a table top of the grinding machine body, the positioning rotating shaft is movably inserted into the sleeve, a fastening screw is inserted into the side wall of the sleeve, and one end of the fastening screw penetrates through the side wall of the sleeve and then abuts against the side wall of the positioning rotating shaft. A sliding groove is formed in the top face of the base and corresponds to a grinding wheel of the grinding machine, a sliding block is installed in the sliding groove in a matched mode, and an adjusting assembly is arranged at the end, away from the grinding wheel, of the sliding block. Stable support is provided for cutter grinding through the base, the sliding block and other structures, the risk that operators are injured is greatly reduced, the distance between the sliding block and a grinding wheel of a grinding machine is controlled through the adjusting assembly, the position and angle of the bracket are adjusted through the positioning rotating shaft, the consistency of the cutter grinding angle is guaranteed, and the grinding efficiency is improved. And the grinding quality of the cutter is effectively improved.

This invention discloses a real-time detection device and method for grinding burns on the end face of a workpiece, relating to the field of workpiece grinding surface burn detection technology. The detection coil comprises a cup-shaped coil, an upper coil housing, and a lower coil housing. The top of the lower coil housing is connected to a stepped shaft. The upper coil housing is fitted onto the lower outer periphery of the stepped shaft through a central hole. The cup-shaped coil is located within an annular cavity formed between the upper and lower coil housings. An adjustment mechanism drives the detection coil to rise and fall. A combined grinding wheel is connected to the bottom of the grinding head spindle of the grinding mechanism. The combined grinding wheel includes several grinding wheels, with a hollow area between them. The detection coil is located within this hollow area. A sleeve is fitted around the outside of the grinding head spindle, and the sleeve is interference-fitted with the grinding head frame. The advantages of this invention are: real-time detection of grinding burns during workpiece end face grinding, good stability of detection results, and improved detection efficiency; it also facilitates timely adjustment of processing parameters, reducing grinding burns and improving grinding quality.

The utility model discloses flexible grinding equipment for a complex curved surface welding seam, and relates to the technical field of grinding equipment. Comprising a rack, the outer wall of the rack is fixedly connected with a direct-current motor, the output end of the direct-current motor is fixedly connected with a transmission shaft, the outer wall of the transmission shaft is in rolling connection with a grinding belt, the outer wall of the rack is fixedly connected with a limiting device, the outer wall of the rack is rotationally connected with a tensioning shaft, and the outer wall of the rack is fixedly connected with a limiting strip; the inner wall of the limiting strip is fixedly connected with a fixed cylinder; the outer wall of the rotating device is rotationally connected with the inner wall of the fixing cylinder, and in the rotating device, a first fixing rod and a second fixing rod are rotationally connected through a positioning shaft and are in sliding fit with a grinding belt, so that when welding seams with different curvatures are ground, the grinding belt deforms to drive the fixing rods to rotate, the contact angle is adjusted, and a complex curved surface is attached; and the limiting block limits the rotating angle, safety and stability are guaranteed, the adaptability of equipment to complex curved surfaces is improved, and the grinding quality and efficiency are improved.

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 invention discloses a fine grinding device for tranexamic acid. The fine grinding device comprises a box body and a grinding mechanism. The grinding mechanism comprises an outer cover, a first grinding shell, a second grinding shell, a grinding piece, a rotating piece, a baffle and an elastic assembly. According to the fine grinding device for tranexamic acid, the eccentric rotating piece drives the grinding piece to rotate in the grinding area, it is kept that the grinding piece can do circular motion in the grinding area, vertical displacement is achieved while the grinding piece does circular motion, and it is kept that the grinding piece presses and grinds a tranexamic acid raw material in the grinding area. And meanwhile, the position of the second grinding shell can be changed in cooperation with an elastic assembly, the distance between the inner wall of the second grinding shell and the grinding piece can be adjusted, adjustment is conducted in cooperation with the amount of added raw materials, it can be guaranteed that the raw materials are rapidly and finely ground, and the tranexamic acid grinding quality is improved.

The utility model discloses a ball-milling device for producing hard alloy ball teeth, which comprises a ball-milling cylinder and a cooling component, a first sieve plate is arranged in the ball-milling cylinder, a first ball-milling cavity is formed on one side of the first sieve plate, a second ball-milling cavity is formed on the other side of the first sieve plate, a second sieve plate is arranged at the discharge end of the ball-milling cylinder, and the cooling component is arranged at the discharge end of the ball-milling cylinder. Grinding bodies and lining plates are arranged in the first ball-milling cavity and the second ball-milling cavity, the cooling assembly comprises a water tank and a water pump, one end of the water pump is connected with the water tank, the other end of the water pump is connected with a water conveying pipe, one end of the water conveying pipe is connected with a spraying pipe, and the spraying pipe is located above the ball-milling cylinder. Cooling water is sprayed to the outer wall of the ball-milling cylinder through the cooling assembly, so that the ball-milling cylinder is cooled, raw materials in the first ball-milling cavity can penetrate through the first sieve plate to enter the second ball-milling cavity only after being ground to be qualified, and raw materials in the second ball-milling cavity can penetrate through the second sieve plate to be discharged only after being ground to be qualified.

The application relates to a composite adjustable double-ring diamond cup-shaped grinding wheel and belongs to the technical field of glass edge grinding. The composite adjustable double-ring diamond cup-shaped grinding wheel comprises an inner wheel and an outer wheel sleeved on the inner wheel, a plurality of inner wheel cavity grooves are arranged on the inner wheel in a circumferential interval, a plurality of outer wheel cavity grooves are arranged on the outer wheel in a circumferential interval, inner wheel grinding pieces and outer wheel grinding pieces are respectively fixedly installed in the inner wheel cavity grooves and the outer wheel cavity grooves, the inner wheel grinding pieces and the outer wheel grinding pieces are arranged in a circumferential overlap and stagger mode, the inner wheel grinding pieces and the outer wheel grinding pieces are respectively elastic grinding pieces and rigid grinding pieces, and the outer peripheral surface profile of the part of the inner wheel grinding piece radially greater than or equal to the inner diameter of the outer wheel is an arc surface or an inclined surface. The application is favorable for avoiding the generation of steps in the grinding process, thereby avoiding the edge collapse of the workpiece.

The utility model discloses a rotor type coal mill feeding air locking device which comprises a box body, the top of the box body is fixedly communicated with a coal feeding hopper, the front face of the box body is fixedly connected with a motor, the output end of the motor is fixedly connected with a transmission rod, and the transmission rod penetrates through the box body and is rotationally connected with the box body. A rotating roller is fixedly connected to the outer wall of the transmission rod, a plurality of partition plates are fixedly connected to the outer wall of the rotating roller, a sealing plate is installed at the tail end of each partition plate, and a disassembling and assembling mechanism is arranged between each partition plate and the corresponding sealing plate. The motor drives the transmission rod to drive the rotating roller, the partition plate and the sealing plate to rotate at a constant speed, and uniform feeding of coal mine raw materials can be accurately controlled; first air locking is achieved through rotation of the partition plate and the sealing plate, and then multiple air locking design of secondary air locking is completed through cooperation of the air locking plate, the baffle and the torsional spring.

The invention discloses an electrode cap end face grinding sticky chip control method and system, and relates to the technical field of resistance electric welding. End face defect characteristics of an electrode cap under each working condition are obtained; obtaining a mahalanobis distance under the current working condition by combining an end face defect feature reference mean value and a covariance matrix under a stable grinding state based on the end face defect features under the current working condition; on the basis of the Mahalanobis distance and the key end face defect features, a chip sticking risk index is constructed, and a chip sticking risk value is obtained after scale unification; based on the chip-sticking risk values, statistical analysis is carried out to obtain a chip-sticking risk value mean value and a chip-sticking risk value variance, a risk fluctuation coefficient and a consistency jump index are introduced, and a comprehensive stability index is constructed; a rotating speed-pressure nonlinear coupling model is established, a stable machining window is obtained by constraining data volatility in combination with a comprehensive stability index, and then an efficiency optimal parameter is selected in the stable machining window, so that the grinding process can be accurately controlled, the chip sticking defect is reduced, and the grinding quality is improved.

This application provides a surface treatment method, polisher, and optical waveguide ALD coating. The treatment method includes forming a grating structure on the wafer surface and cleaning the annular area at the wafer edge with adhesive; forming a coating layer covering the grating structure on the wafer surface; performing chemical mechanical polishing on the coating layer, including real-time acquisition of polishing pressure data for each region of the wafer surface and generating a pressure distribution map; dynamically adjusting the polishing pressure of different regions of the wafer surface according to the pressure distribution map, so that the polishing pressure in the thicker region of the coating layer is greater than that in the thinner region; adding a polishing slurry containing magnetic abrasive particles during chemical mechanical polishing, and controlling the distribution of abrasive particles in the polishing slurry through a magnetic field, so that the concentration of abrasive particles in the thicker region of the coating layer is higher than that in the thinner region; scanning the wafer surface in real time to generate a three-dimensional height map to monitor the height changes of each region of the wafer surface; terminating polishing when the three-dimensional height map shows that the height difference between each region is less than a preset threshold.

The application provides a high gluten wheat flour preparation process and relates to the field of wheat flour processing. The high gluten wheat flour preparation process comprises the following steps: step one, protein content adjustment: after the wheat is cleaned and dried, the free water moisture content is 15-17%, the percentage of wheat protein content is determined through 5-10 times of sampling, the dry basis protein content is less than 12.2%, and the wheat is mixed uniformly with the added gluten after the percentage of gluten is added according to the total amount of the wheat; step two, flour milling is performed by using a high gluten wheat flour preparation equipment; step three, blocking prevention; and step four, integrated screening. The combination of the inner grinding mechanism and the outer grinding mechanism realizes high grinding yield and good grinding effect of the wheat flour, and the wheat flour is screened and ground simultaneously, so that the residual wheat flour is small.