46results about How to "Quick grinding" patented technology

The utility model relates to an automatic feeding medicinal material pulverizer, and belongs to the technical field of traditional Chinese medicinal material processing. The feeding pipeline is in butt joint with a feeding port of the smashing device, a discharging port of the smashing device is connected with an air inlet of the powder collecting device, and an air outlet of the powder collecting device is connected with the induced draft fan. The front end of the feeding pipeline extends to the position below the discharging device. The crushing device is prevented from being filled with a large amount of medicinal materials, and the medicinal materials are prevented from being ground in the crushing device for a long time; meanwhile, air flow is formed through an induced draft fan for feeding, the air flow path is consistent with the medicinal material path, the materials can move towards the finer tail end easily, grinding is promoted, meanwhile, the air flow can take away ground medicinal material powder in time, the medicinal materials are prevented from being ground in the smashing device for a long time, the phenomenon that the medicinal materials are heated due to excessive grinding can be avoided, and the medicinal material quality is guaranteed; negative pressure is formed in the smashing device, the smashing device is relatively closed, medicinal material powder can be effectively prevented from overflowing, dust raising is avoided, production environment sanitation is guaranteed, and cleaning burden is reduced.

The invention discloses a spice extraction device for spice processing, and belongs to the technical field of spice processing equipment. The spice extraction device for spice processing comprises a cylinder body and a power device and further comprises a planetary gear train, a gear ring is connected with the cylinder body, and a sun gear of the planetary gear train is connected with the power device; each transmission shaft is connected with one planet gear of the planetary gear train; the conical fixed grinding disc is arranged at the bottom of the cylinder body; each conical movable grinding disc is connected with one transmission shaft; the spoilers are arranged in the cylinder body, each spoiler is connected to one conical movable grinding disc, and the spoilers are used for stirring liquid in the cylinder body. According to the spice extraction device for spice processing, raw materials can be extruded and kneaded, and the raw materials and an extraction agent are fully stirred, so that the uniformity of the raw materials in the extraction agent is improved, the grinding effect of the raw materials is further improved, and the utilization rate of the raw materials is increased.

The invention provides polycrystalline silicon wafer magnetic grinding equipment and a polycrystalline silicon wafer magnetic grinding method, and relates to the technical field of polycrystalline silicon wafer processing. According to the polycrystalline silicon wafer magnetic grinding equipment and method, by designing a storage box, an electromagnetic relay, a screen frame and a plugging assembly, when a magnetic needle needs to be fished, a permanent magnet disc and a servo motor can be started again, the magnetic force of the permanent magnet disc is gradually reduced, and meanwhile the magnetic force of the electromagnetic relay is increased; the magnetic needles are gradually collected into the screen frame through the connecting pipe in the rotating and rolling process, so that the magnetic needles are efficiently collected, meanwhile, the efficiency of cleaning the grinding barrel and the efficiency of the whole polycrystalline silicon wafer grinding operation are improved, next-time grinding can be rapidly carried out after cleaning is finished, and the grinding efficiency is improved. And by designing an air pump, an annular circular pipe, a guide pipe and a one-way valve, the air pump can finally introduce external air into the grinding barrel through the annular circular pipe, the guide pipe, a storage box and a connecting pipe, so that the magnetic needle rolls more disorderly during rotation, and grinding is more sufficient.

The utility model relates to the technical field of feed production and processing, in particular to a grinding device for feed production, which comprises a grinding bin, two grinding tooth columns are axially and circumferentially rotatably arranged in the grinding bin, and a driving component for controlling the grinding bin to circumferentially rotate is arranged at one end, positioned on the two grinding tooth columns, of the grinding bin. The other ends, located at the two grinding tooth columns, of the grinding bin are each provided with an adjusting assembly used for controlling axial sliding of the grinding bin when the grinding bin rotates in the circumferential direction. By arranging the adjusting assembly and utilizing the cooperation between a guide column and a guide groove, the grinding tooth column can be promoted to perform axial reciprocating sliding while rotating in the circumferential direction, so that the raw materials are rubbed, the crushing effect of the raw materials is improved, and the grinding tooth column can perform reciprocating swinging while rotating and sliding by utilizing the cooperation between the guide column and a boss, so that the crushing effect of the raw materials is improved. The blanking speed of the raw materials can be increased, and the grinding and crushing effects on the raw materials are also improved; the problems that existing equipment is low in grinding and smashing efficiency and uneven in generated particle size are solved.

The invention relates to the technical field of workpiece grinding equipment, in particular to a port grinding device for corrugated pipe compensator production. The technical problem that when an existing grinding device grinds a port of a corrugated pipe, grinding is not sufficient enough, efficiency is low, and then the grinding effect is poor is solved. A port grinding device for corrugated pipe compensator production comprises an outer frame, one side of the outer frame is rotationally connected with a rotating frame, and one side of the outer frame is fixedly connected with a spring shifting piece. The driving motor drives the two-way threaded shaft and the tooth-missing bevel gear to rotate together, the two-way motor drives the grinding wheel and the single gear to rotate together, the two-way threaded shaft rotates to enable the corrugated pipe and the single gear to move up and down together, and the single gear moves upwards to stir the driven gear to enable the grinding wheel to grind an end opening of the corrugated pipe. And the tooth-missing bevel gear rotates to turn over the corrugated pipe, so that the grinding wheel grinds a port on the other side of the corrugated pipe, the use by workers is more convenient, and the grinding efficiency is improved.

The utility model belongs to the technical field of butterfly valve sealing ring machining, and discloses a butterfly valve sealing ring grinding device which comprises a base, an installation block is installed on the upper side of the base, a vertical plate is installed on the upper side of the installation block, an installation groove is formed in one side of the vertical plate, a hydraulic rod is installed in the installation groove, and a hydraulic cylinder is installed in the hydraulic rod. A hydraulic rod is installed on the mounting block, a fixing part is installed at one end of the hydraulic rod, a fixing roller is rotatably installed on one side of the fixing part, an annular toothed rail is rotatably installed in the mounting block and the vertical plate, a first gear and a second gear are connected to the inner side of the annular toothed rail in a meshed mode, and a rotating roller is installed on one side of the first gear and one side of the second gear. The butterfly valve sealing ring is placed between the rotating roller and the fixed roller, the hydraulic rod is controlled to drive the fixing piece to move, the fixing piece drives the fixed roller to move, the fixed roller moves downwards, and the butterfly valve sealing ring can be conveniently fixed through the rotating roller and the fixed roller.

The utility model belongs to the technical field of polishing solution production, and particularly relates to a polishing solution production device which comprises a main body, a polishing solution conveying device and a polishing solution conveying device. One side of the top of the main body is provided with the liquid material bin, and the other side of the top of the main body is provided with a material bin which is used for storing liquid materials and solid materials respectively; the stirring assembly is arranged in the processing cavity and used for mixing and stirring the materials; and the weighing assembly is arranged in the liquid material bin and the material bin and used for weighing and discharging the materials. According to the device, by means of the weighing assembly and the grinding effect of the weighing assembly, solid materials can be rapidly discharged, meanwhile, the materials are rapidly ground and smashed, the situation that the materials are difficult to mix due to caking and the like is prevented, the materials can be further mixed more orderly and fully by means of the stirring assembly, and the mixing efficiency is improved. The production efficiency of the device is improved.

The utility model belongs to the technical field of grinding devices, and particularly relates to a sample grinding device for detection, which comprises a grinding base and a rotating seat, the rotating seat is mounted on the upper side of the grinding base, a rotating motor is mounted below the rotating seat, and the upper side of the rotating seat is movably connected with a limiting workpiece through a rotating shaft. According to the sample grinding device for detection, a grinding motor is started, when a sliding frame moves upwards along the inner side of a second sliding groove, the sliding frame lifts a connecting rod, the connecting rod drives a grinding rod to move upwards, at the moment, a shifting plate can shift a sample in a mortar to the middle, and after upward movement of the sliding frame is recovered, the connecting rod drives the grinding rod to move downwards to grind the sample; according to the sample grinding device, a plurality of grinding rods can enhance grinding of samples, the working efficiency of the sample grinding device is improved, a limiting screw rod is rotated, the limiting screw rod moves downwards to push a shifting plate, the shifting plate moves downwards to extrude a mortar, and a worker can conveniently adjust the shifting plate of the sample grinding device.

The utility model discloses a powder disinfectant production grinding device, and relates to the technical field of powder disinfectant production, the powder disinfectant production grinding device comprises a grinding box, the top of the grinding box is fixedly inserted with a feeding assembly, the inner bottom surface of the grinding box is movably provided with a material distributing assembly, the right side of the grinding box is provided with a discharging groove, and the right side of the grinding box is provided with a feeding assembly. The inner wall of the grinding box is rotationally connected with two sets of grinding rollers, the left side of the grinding box is rotationally connected with two sets of gears, and the outer surfaces of the two sets of gears are meshed with each other. Raw materials of a powder disinfectant are put in from the feeding assembly and are crushed by the feeding assembly in the falling process, large raw materials can be crushed into small raw materials to fall down, grinding can be finer during grinding, the crushed raw materials fall into a gap between the two sets of grinding rollers, and the grinding efficiency is improved. The first motor drives one set of gears to rotate, and the other set of gears rotate along with the first motor to enable the two sets of grinding rollers to smash and grind raw materials.

The application relates to the technical field of machining, and particularly discloses an axle hole grinding device, which comprises a machining platform, a rotating jig and a grinding mechanism; the rotating jig comprises a rotating platform arranged on the machining platform and an outer supporting clamping unit arranged on the rotating platform and used for fixing a workpiece to be machined from the outside; the grinding mechanism comprises a vertical seat arranged on the rear side of the machining platform and extending to the top of the rotating platform, a first lifting driving unit arranged on the vertical seat, an extension driving unit arranged on the first lifting driving unit, a second lifting driving unit and a third lifting driving unit arranged on the extension driving unit, a grinding machining unit arranged on the second lifting driving unit and used for grinding an axle hole of the workpiece to be machined, and an inner diameter detection unit arranged on the third lifting driving unit and used for detecting the axle hole grinding; based on the above structure, the grinding efficiency of the belt pulley is improved, the equipment investment of an enterprise is reduced, and the labor intensity of an operator is reduced.

The utility model belongs to the technical field of sand mills, and particularly relates to a vertical sand mill which comprises a bottom plate, a supporting seat fixedly connected to the upper end of the bottom plate, a supporting ring fixedly connected to the interior of the supporting seat, a sand milling barrel rotationally connected to the interior of the supporting ring, and an end cover arranged at the upper end of the sand milling barrel. A lifting mechanism is arranged on the rear side of the upper end of the bottom plate, a power mechanism and a moving plate are arranged at the front end of the lifting mechanism, a fixing shaft is rotationally connected into the moving plate, the lower end of the fixing shaft penetrates through the end cover and is slidably connected with the end cover, a sanding disc and stirring blades are fixedly connected to the circumferential surface of the fixing shaft, and the stirring blades are located at the bottom of the fixing shaft. By arranging the power mechanism, the rotating directions of the sanding disc and the sanding barrel can be opposite, so that when a liquid material in the sanding barrel is ground, the liquid material can be in contact with the sanding disc more quickly, the liquid material can be ground more quickly, and the grinding efficiency is improved.

The utility model relates to a bearing protection device of mechanical grading mill, including frame, two main motors are installed to both sides of frame, the output of two main motors installs grading wheel drive, grinding disc drive respectively, grinding disc drive and grading wheel drive connect hollow shaft and solid axle through V type belt respectively, solid axle is placed in hollow axle hole, grinding disc is installed on hollow axle, and is inside the cavity of grinding cavity, grading wheel is installed on solid axle, and is above grinding disc inside the cavity, the upper and lower end of hollow axle is provided with big bearing respectively, and is supported by big bearing, the upper and lower end of solid axle is provided with small bearing respectively, and is supported by small bearing, the outer ring of grinding disc is provided with toothed grinding ring, the cavity of grinding cavity is provided with air guide ring below, and air guide ring is below toothed grinding ring, compared with prior art, the utility model can improve the service life of bearing, reduce the wear and tear and failure risk of bearing, and further improve the effect of equipment grinding and grading.

The utility model relates to the technical field of slurry grinding, in particular to a slurry grinding mechanism. The slurry grinding mechanism comprises a shell, a grinding mechanism and a grinding mechanism, wherein a grinding cavity is formed in the shell; the grinding assembly comprises a first grinding piece and a second grinding piece, the first grinding piece is rotatably arranged in the grinding cavity, the second grinding piece is movably arranged in the grinding cavity, the second grinding piece can move in the direction close to the feeding port or away from the feeding port, and the second grinding piece is arranged on the periphery of the first grinding piece in a sleeving mode; a grinding gap is formed between the first grinding piece and the second grinding piece, grinding teeth are arranged on the peripheral face of the first grinding piece, and matching teeth are arranged on the side face, facing the first grinding piece, of the second grinding piece. The density of the grinding teeth is gradually increased in the direction from the feeding port to the discharging port. By moving the second grinding piece, the matching teeth of the second grinding piece are matched with the grinding teeth with different densities, so that slurry with different granularities can be ground, the grinding time is shortened, and the grinding efficiency is improved.

The present invention provides an inner and outer circle grinding device for processing pipes; the device combines inner circle grinding and outer circle grinding on one device, and can grind the inner and outer surfaces of the pipe respectively under one clamping. The outer circle grinding part can grind the pipe fittings with rust or scratches on the surface, so that the production efficiency and appearance quality of the finished product are not affected in the process of making the pipe fittings into finished products; the inner circle grinding part can detect scratches or defects on the inner surface at different positions at any time through an industrial camera; through the connection mechanism and circuit placed in the inner circle grinding spindle, the grinding wheel can rotate at high speed under the drive of a high-speed motor, realize high-speed surface grinding, and ensure the grinding quality; realize circumferential small fan grinding, effectively avoid the problems of deep grooves and local over-grinding caused by point grinding, and make the grinding surface smooth and continuous.

This utility model discloses a large-particle raw material fine crusher, including a shell, a fixed frame, and a crushing mechanism. The shell and the crushing mechanism are connected to the fixed frame, and the crushing mechanism is installed inside the shell. The crushing mechanism includes a power motor, a rotating shaft, a conical fixed crushing disc, a feeding device, a grinding ring positioning groove, a grinding ring, a lower positioning track wheel, an upper positioning track wheel, a conical rotating crushing disc, a connecting frame, and a discharge pipe. The conical fixed crushing disc is fixed on the fixed frame, and the power motor is installed on the conical fixed crushing disc with its power rod connected to the rotating shaft. The rotating shaft passes through the center of the conical fixed crushing disc and is connected to the connecting frame. This utility model's large-particle raw material fine crusher has a simple structure and is convenient and practical. By simultaneously introducing materials through several feeding devices, the material enters the grinding area and increases in size. At the same time, the grinding ring controls the particle size of the final crushed raw material, achieving the purpose of rapid grinding while controlling the particle size.

The invention discloses a five-roller vertical mill, and relates to the technical field of vertical mills. A motor is installed on a frame, the motor is connected to the shaft of a reducer through a main coupling, the output shaft of the reducer is connected to a grinding disc, five roller devices are respectively hinged on the frame, and the adjustment legs of the five roller devices are respectively hinged to the upper ends of piston rods of five oil cylinders, the lower ends of the five oil cylinders are installed on the frame, a vertical mill cavity is installed on the upper end of the frame, a spiral conveyor is installed on the lower side of the vertical mill cavity, and a discharge port of the spiral conveyor corresponds to the center position of the grinding disc, a grading device is installed on the upper end of the vertical mill cavity, a discharge port is connected to the upper end of the grading device, and a plurality of grading wheel devices are installed on the grading device. The invention can realize automatic and rapid grinding, and can achieve the collection and production of ultrafine powdery materials. It is easy to use, and is convenient for accurate control, and can improve the overall efficiency.

The utility model discloses a generator carbon brush grinding device and relates to the technical field of carbon brush grinding devices, a rotary grinding mechanism comprises a grinding wheel and a crank, the grinding wheel is arranged at the top of a support frame and rotatably connected with the support frame, and the crank is connected with the top of the grinding wheel and used for pushing the grinding wheel to rotate; the carbon brush fixing mechanism comprises a carbon brush socket, a rotating frame, a pressing rod and a spring, the carbon brush socket is fixed to the top of the supporting frame, an insertion opening of the carbon brush socket faces the side wall, used for polishing, of the polishing grinding wheel, the rotating frame is rotationally connected with the side wall of the carbon brush socket, and the pressing rod penetrates through a sleeve on the upper portion of the rotating frame and then tightly presses the carbon brush. And the other end of the spring is connected with the fixing block. Through cooperation of the rotary grinding mechanism and the carbon brush fixing mechanism, rapid and safe grinding of the generator carbon brush is achieved, and the working efficiency and the grinding quality are improved. And a plurality of carbon brushes can be ground at the same time, so that the working efficiency is further improved.

The utility model relates to the field of spring steel wire machining, and discloses spring steel wire surface defect coping equipment which comprises a supporting plate, an electric push rod is fixedly installed on the top of the supporting plate, the output end of the electric push rod is fixedly connected with a clamping plate, and a motor is fixedly installed on one side of the supporting plate. And an output shaft of the motor is fixedly connected with a screw shaft through a coupling. According to the spring steel wire surface defect grinding equipment, through the arrangement of a supporting plate, an electric push rod, a clamping plate, an anti-skid plate, a motor, a screw shaft, a movable block, a double-shaft push rod, an adjusting plate and a grinding block, the equipment can have the effect of being high in grinding efficiency, and a spring steel wire can be clamped and reinforced in a simple mode; and then the surface of the spring steel wire is rapidly and effectively ground through the grinding block, so that defects on the surface of the spring steel wire are rapidly ground, the situation that the surface glossiness of the spring steel wire is affected by the surface defects is avoided, and the use requirements of people are met.

The utility model relates to the technical field of grinders, in particular to a coating dispersing grinder, which is characterized in that a sealing cover is arranged at the bottom of a third mounting frame, and the sealing cover and a coating barrel are hermetically mounted, so that raw materials in the coating barrel can be effectively prevented from splashing out when the grinder works; a first stirring blade and a second stirring blade are arranged on the surface of a first rotating shaft, the first stirring blade is obliquely arranged, the second stirring blade is vertically arranged, and a spiral stirring blade is installed on the portion, between the first stirring blade and the second stirring blade, of the surface of the first rotating shaft, so that the effect of grinding raw materials in a coating barrel is achieved; meanwhile, a first gear is mounted on the surface of a first rotating shaft in a fixing sleeve, one end of a second rotating shaft is connected with a second gear in the fixing sleeve, the first gear is in meshed connection with the second gear, and a motor drives vertical stirring blades to rotate, so that particles in the raw materials are sheared by the first stirring blades, the second stirring blades and the vertical stirring blades; and rapid grinding of the raw materials is realized.

The utility model belongs to the technical field of test and inspection equipment, and discloses an eccentric grinding structure and a tissue dissociation instrument, a crushing box performs circular motion along the wall surface above a grinding box deviating from the circle center, the crushing box drives a second grinding strip and a scattering block to rotate, and the second grinding strip and a first grinding strip are matched to grind tissues on the side wall of the grinding box; the third grinding strip and the fourth grinding strip are matched to grind the tissue on the bottom surface of the grinding box, the tough tissue can be effectively ground no matter where the tough tissue is located, the grinding efficiency is high, the bottom plate is arranged above the ground, the grinding structure is arranged above the bottom plate, and a crushing box for filtering the tissue is arranged above the bottom plate; a crushing cutter for crushing tissue is arranged in the crushing box, a grinding box for containing the tissue is fixedly arranged on the top face of the bottom plate, a second grinding strip used for grinding the tissue on the side wall of the grinding box is fixedly arranged below the crushing box, and a scattering block used for grinding the tissue on the bottom face of the grinding box is arranged below the second grinding strip.

The utility model relates to the technical field of wafer processing, and discloses a pressing mechanism and a grinding device.The pressing mechanism is used for pressing and fixing a wafer and comprises a fixing piece, a connecting piece, a lifting driving piece and a pressing piece; the connecting piece is connected to the fixing piece; the lifting driving piece is connected to the connecting piece; the pressing piece is connected to the lifting driving piece, and the lower end of the pressing piece is provided with a lower pressing surface; according to the pressing mechanism, the pressing face can abut against the top face of the wafer through the lifting driving piece and the pressing piece so as to press and fix the wafer, the wafer can be prevented from deviating in the grinding process, constant positioning of the wafer can be kept in the grinding process of the wafer, and the grinding effect of the wafer can be improved.

The invention relates to the technical field of sample grinding and pressing, and discloses a high-purity germanium gamma spectrometer sample grinding and pressing device and method.The high-purity germanium gamma spectrometer sample grinding and pressing device comprises a bottom plate, the bottom plate is provided with a supporting mechanism, and the supporting mechanism is used for supporting and installing a grinding cylinder, can grind substances and can control and adjust the grinding speed; the particle size of ground powder can be controlled, sample pressing and sample preparation are facilitated, and the grinding efficiency is high; according to the grinding and filtering device, powder obtained after grinding can be filtered, unqualified powder obtained after filtering continues to be ground, the qualified rate of the powder is guaranteed, knocking vibration is conducted in the grinding and filtering process, and the filtering efficiency and the grinding efficiency are improved; according to the device, sample pressing can be realized, and the height and density of sample pressing can be monitored and controlled in real time during sample pressing, so that the radionuclide activity intensity detection of different types of solid samples can be conveniently researched, and the data error caused by manual sample loading can be reduced.

The invention relates to a grinding device for meal replacement powder production, and belongs to the technical field of food processing. The grinding device for meal replacement powder production comprises a frame and a shell, the shell is installed in the frame, and a material containing plate is arranged at the bottom end of the frame; the grinding mechanism comprises three fixed grinding discs fixedly mounted in the shell, and a first motor and a third motor which are mounted on the shell; according to the grinding mechanism, meal replacement powder of different specifications is accurately ground through the three sets of grinding components, meanwhile, under the action of a sieve plate, the meal replacement powder obtained after preliminary grinding is stored in a graded mode and is matched with the three sets of grinding components, so that the grinding efficiency and effect are improved, and under the action of a ventilation duct, the grinding efficiency is improved. The meal replacement powder which is qualified through screening is effectively guided, the ground meal replacement powder is better collected, accurate grinding is carried out according to the condition of graded raw materials, the particle uniformity of the ground meal replacement powder is ensured, and meanwhile the grinding efficiency is improved.

The utility model relates to the technical field of circuit boards, and discloses a material grinding device which comprises two sets of grinding mechanisms which are symmetrically arranged, each grinding mechanism comprises a grinding box, a fixed grinding plate is fixedly connected to an inner cavity of the grinding box, a movable grinding plate is arranged above the fixed grinding plate, and the movable grinding plate is fixedly connected with the grinding box. The upper surface of the movable grinding plate is fixedly connected with a plurality of groups of telescopic sleeve rods; through cooperation of a grinding box, a fixed grinding plate, a movable grinding plate, a connecting plate and a first motor, the first motor drives a rotating shaft to enable a rotating disc to drive a connecting rod to do circular motion, and the connecting plate linearly moves along a guide rail base under the action of the connecting rod; and therefore, the movable grinding plate and the fixed grinding plate rapidly grind materials under the action of the springs, the grinding efficiency of the materials is improved, the particle size of the materials is smaller, subsequent rapid separation of plastic and copper is facilitated, and the processing efficiency of the circuit board is improved.

The utility model relates to the technical field of metal ring machining, in particular to a metal ring workpiece machining positioning tool which comprises a machining machine tool. The grinding device further comprises a clamping frame and a V-shaped clamping block, a three-jaw chuck is rotationally connected to the upper side of the front end of the machining tool, a rotating rod is arranged at the front end of the three-jaw chuck, and a grinding rod is fixedly connected to the front end of the outer side of the rotating rod. Through the use of the clamping frame and the V-shaped clamping block, the bidirectional threaded rod is rotated to drive the clamping plate and the V-shaped clamping block to do relative motion and move by the same distance, ring gauges of different specifications are clamped and fixed, the applicability is improved, the V-shaped clamping block is stable and uniform in clamping, convenient to mount, dismount and replace and high in flexibility, and the clamping efficiency is improved. The processing machine tool drives the rotating rod and the grinding rod to rotate, the clamping frame drives the ring gauge to move front and back, reciprocating grinding is achieved, grinding is uniform and stable, grinding precision and grinding efficiency are improved, the automation degree is high, meanwhile, the spray head moves along with the clamping frame to spray grinding paste to the surface of the grinding rod, cooling is effectively achieved, and friction is reduced.

The utility model discloses a plate grinding device, which relates to the technical field of PPS (polyphenylene sulfite) processing, and comprises a grinding table, a scale groove, a belt grinder, a workpiece carrier plate, a height lifting piece and an adjustable elastic pressing piece. According to the device, a workpiece is placed on a workpiece carrying plate, then a driving lead screw is rotated to enable an inclined block to slide upwards along an inclined groove to a preset height, then the adjusting lead screw is rotated clockwise to enable a compression spring to be compressed, at the moment, a lifting hydraulic cylinder drives the whole belt type grinding machine to move downwards, a pressing head is made to press the surface of the workpiece, and the adjusting lead screw is rotated anticlockwise; the potential energy of the pressure spring is released to downwards extrude the pressure head, the initial compression amount of the pressure spring is adjusted according to the grinding thickness needed by machining, larger downward pressure is provided in the initial grinding stage, the grinding speed is higher, small pressure is provided in the later stage, excessive grinding is avoided, and therefore rapid grinding is achieved, milling is not needed, the cost is low, and the speed is high.

A processing method and a processing device for a three-petal combined graphite circumferential seal, belonging to the technical field of graphite seal production. The method is as follows: rough turning to obtain a blank; drawing lines on the large end face of the blank; dividing each blank into two petal seals; milling the Z-shaped interface and the arc notch of the seal; grinding the axial deflection fitting surface of the Z-shaped interface of the seal; taking the three-petal seal to form a three-petal combined graphite circumferential seal, and checking the tightness of the axial deflection fitting surface of the Z-shaped interface; turning the inner diameter and the auxiliary sealing surface and grinding the auxiliary sealing surface; turning the main sealing surface, the end face groove and the outer diameter groove and grinding the main sealing surface; rough and fine milling the outer shape and the auxiliary sealing surface; processing the main sealing surface and the auxiliary sealing surface. The present invention adopts a marking process to ensure that the processing allowance of the blank body is uniform, and adopts a processing method combining turning, rough grinding, milling, and fine grinding to improve the processing yield and performance of the three-petal combined graphite circumferential seal product.

The utility model discloses grinding equipment for high polymer material granulation, which belongs to the field of high polymer material processing and comprises a shell, a feed port is fixedly mounted in the middle of the upper end of the shell, and two longitudinally arranged discharge pipes are fixedly mounted at the lower end of the right side of the shell. The grinding assembly is fixedly installed at the upper end in the shell, the backflow barrel is fixedly installed at the lower end of the right side of the shell, the air blower is fixedly installed at the lower end of the backflow barrel, and the air outlet pipe is arranged in the middle of the upper end of the air blower. When the air blower is started, air can be blown upwards from the inner bottom of the backflow cylinder, unqualified particles flowing out of the discharging pipe are blown upwards and slide to the upper end of the material guiding piece from the feeding pipe on the top, automatic feeding and grinding of the particles are achieved, the automation process of the grinding equipment is effectively improved, the workload of workers is relieved, and the working efficiency of the grinding equipment is improved.

The present invention discloses a double-end surface grinder for ceramics and a control method. The grinder comprises: a product guide groove, and a feeding device arranged at one end of the product guide groove for loading the product into the product guide groove. A grinding device is arranged beside at least one section of the product guide groove. The grinding device is driven by electricity to approach or move away from the product guide groove to grind the product in the product guide groove. The present invention does not require manual feeding, and the grinding efficiency is increased by 1.5 to 2 times.