110 results about "Grind" patented technology

The invention provides a self-adaptive robot grinding and polishing machining system and method for a difficult-to-grind complex component, and the machining system comprises a 3D laser scanner which is used for carrying out modeling according to the shape and size of a workpiece, and automatically dividing a grinding region and carrying out self-adaptive path planning according to geometrical characteristics; the mechanical arm is used for clamping a workpiece to move according to a planned path; an abrasive belt floating polishing device; and the grinding device is provided with a self-adaptive grinding and polishing mechanism capable of moving up and down in the axial direction, and the self-adaptive grinding and polishing mechanism is used for conducting constant-force grinding on the workpiece, compensating tool abrasion in real time, conducting radial vibration auxiliary grinding and replacing a grinding head according to requirements. The multi-process combined robot grinding and polishing system can be used for grinding the round corner transition position of a narrow inner concave surface and a stepped right-angle concave surface of a workpiece, self-adaptive process division is carried out on the workpiece according to geometrical characteristics according to the precise grinding requirements of various complex components difficult to grind, and a plurality of devices are integrated together to form the multi-process combined robot grinding and polishing system; and all-dimensional grinding operation on the difficult-to-grind complex component is achieved.

The utility model relates to the technical field of gauge block grinding, in particular to a gauge block machining grinding plate device which comprises a base, the middle end of the top of the base is fixedly connected with an n-shaped frame, an electric push rod is fixedly installed at the middle end of the top of the n-shaped frame, and the extending end of the electric push rod is fixedly connected with a movable plate. Fixing blocks are fixedly connected to the left end and the right end of the bottom of the movable plate, driving threaded rods are movably connected to the inner sides of the two fixing blocks through bearings, and driving motors fixedly connected with the right sides of the driving threaded rods are fixedly mounted on the right sides of the fixing blocks. Through cooperation of the structures, the device has the advantage of being good in grinding quality, and the problems that most of grinding plates on existing grinding equipment grind gauge blocks in a reciprocating type linear track or a reciprocating type annular track, the same part of the gauge blocks can be repeatedly ground in the grinding mode, and the grinding efficiency is poor are solved. And grinding traces caused by repeated grinding can influence the surface quality of the gauge block.

The invention relates to the technical field of laser cutting machines, discloses a plate cutting machine for mine special vehicle production, and aims to solve the problems that plates are scratched by the tip end of a sword grid, and follow-up slag falling is affected by excessive slag on the side wall of the sword grid. A fixed sword grid is changed into a movable sword grid, a supporting plate and balls are arranged at the feeding position, and when a plate is fed, the power device drives the sword grid exposed out of the supporting plate to move, so that the plate is driven to move to a fixed position, sliding friction between the plate and the tip end of the sword grid is prevented, and the plate is prevented from being scratched by the tip end of the sword grid; when the sword grid is folded, the sword grid extrudes transmission liquid in a liquid storage bag, so that the transmission liquid enters a telescopic corrugated pipe to push a supporting shaft, a gear I, a gear II and a grinding disc to move, the grinding disc rotates, and the rotating grinding disc grinds and cleans molten slag condensed on the side wall of the sword grid, so that more molten slag is prevented from being condensed on the side wall of the sword grid; and the falling of slag during subsequent cutting is influenced.

To appropriately correct the thickness unevenness of a workpiece caused by a difference between a shape formed on an upper surface of the workpiece by grinding and a shape formed on an upper surface of a chuck table by self-grinding.SOLUTION: A grinding method using a grinding device which comprises a chuck table and a grinding mechanism provided with a rotating grinding wheel, and moves the grinding wheel and the chuck table relatively to each other along a grinding surface, includes: a holding surface grinding step of performing self-grinding of the chuck table; a Z-axis movement setting step of setting a value relating to movement of the chuck table, or an inclination angle setting step of setting either an inclination angle of the grinding wheel or the chuck table; and a workpiece grinding step of grinding the workpiece under the settings made in the inclination angle setting step.SELECTED DRAWING: Figure 6

A polycrystalline superhard material blank convenient for grinding and a preparation method thereof, comprising a polycrystalline superhard material blank formed by high temperature and high pressure. The polycrystalline superhard material blank includes a polycrystalline superhard material product body, a machining allowance grinding layer and an easy-to-grind grinding layer. It is characterized in that: the polycrystalline superhard material product body is a finished product that meets the specification requirements after grinding the polycrystalline superhard material blank; the material of the machining allowance grinding layer is the same as that of the polycrystalline superhard material product body, and is a fine-grained polycrystalline superhard material with exactly the same particle size; the easy-to-grind grinding layer is the grinding layer on the pressure-receiving surface, and there are two types: a coarse-grained easy-to-grind grinding layer of the same quality as the polycrystalline superhard material and an easy-to-grind grinding layer of different quality from the polycrystalline superhard material. The raw material of the easy-to-grind grinding layer is a coarse-grained polycrystalline superhard material product body homogeneous fine powder, the particle size of which is coarser than that of the polycrystalline superhard material product body, and the porosity is larger than that of the polycrystalline superhard material product body. The larger the porosity, the worse the wear resistance, the easier it is to grind, the processing cost is reduced, and the processing efficiency is improved; the gas absorption effect of the metal powder can also reduce the content of impurity gases in the product body to achieve the above effects.

The application discloses a high-concentricity gear quick clamping positioning grinding machine, and relates to the technical field of grinding machine, which comprises a machine body, a clamping mechanism is arranged on the machine body, the clamping mechanism comprises a mandrel, an even number of oil cavities are arranged in the mandrel in a circumferential equidistant manner, a motor one is fixedly installed in the machine body, a pressurizing expansion assembly is arranged on the top of the mandrel, a conveying assembly is arranged in the mandrel, the conveying assembly comprises a motor two which is fixedly installed in the machine body, an internal pipe is movably connected to the mandrel, and the internal pipe is movably connected to the mandrel. In the process of rotating and grinding the thin-wall gear, the application drives the spiral blade to rotate and moves axially in a small range, so that the hydraulic oil in each oil cavity in the mandrel forms circulating flow and is fully mixed, the oil temperature of each oil cavity in the mandrel is balanced, the technical problem that the mandrel is asymmetrically expanded due to uneven heating when the gear rotates and grinds and the concentricity of the gear is reduced is fundamentally solved, and the grinding machining precision of the gear is significantly improved.

The utility model belongs to the field of metal component machining, and provides a small metal component grinding machine which comprises a machine table, a machining table is arranged on the machine table, belt feeding tables are arranged at the two ends of the machining table respectively, and a grinding wheel assembly and an adjusting wheel assembly are arranged on the two sides of the machining table respectively. The machining table comprises a base installed on the machine table, a material bearing plate is arranged on the base, fixing bases are arranged at the two ends of the base, a pair of adjusting arms is rotationally arranged in each fixing base, and a guide plate is arranged on the inner side of each adjusting arm. The small metal components are sequentially fed to the feeding belt feeding table one by one, the feeding belt feeding table slowly conveys the small metal components to the machining table, and after the small metal components are conveyed to the machining position, the grinding wheel assembly and the adjusting wheel assembly grind and machine the small metal components. And meanwhile, small metal components with different specifications and sizes are adapted in a manner of finely adjusting the opening angle of the adjusting arm.

The utility model belongs to the technical field of glass frame cutting, and discloses a glass frame cutting device which comprises a cutting machine body, an auxiliary grip is installed on the cutting machine body, a connecting shaft is fixed to the output end of the cutting machine body through a coupler, the connecting shaft is sleeved with a cutting blade and two grinding discs, and the cutting blade is located between the two grinding discs. The cutting blade and the two grinding discs are each provided with a set of reserved holes, the reserved holes are used for allowing screws to penetrate through, the sides, close to the cutting blade, of the two grinding discs are each provided with a set of storage grooves, compression springs are fixedly connected to the inner sides of the storage grooves, and grinding blocks are movably arranged on the inner sides of the storage grooves. The end, away from the compression spring, of the grinding block extends out of the grinding disc. When the cutting device is used for horizontally cutting a glass frame, the rotating cutting blade horizontally cuts the frame, and along with horizontal cutting, the grinding blocks on the two grinding discs grind notches in the two sides of the frame correspondingly, so that burrs are removed.

The utility model relates to the technical field of suture needle production, and discloses a needle head diameter limiting device for suture needle production, which comprises a workbench, a fixed plate I is fixedly arranged at the bottom of the workbench, a motor is fixedly arranged at the bottom of the fixed plate I, a rotating shaft is fixedly arranged at the output end of the motor, and the rotating shaft is fixedly arranged on the workbench. A cavity is formed in the top end of the rotating shaft, mounting holes are formed in the front side and the rear side of the cavity, a connecting block is inserted into the cavity, and a suture needle is inserted into the connecting block. The support is fixedly installed above the second fixing plate, the grinding wheel is connected above the support in an inserted mode, meanwhile, the air cylinder can drive the connecting plate to move through the sliding groove and the sliding block, when the diameter of a suture needle needs to be limited, the grinding wheel is pushed to the side edge of the suture needle and makes contact with the suture needle, and then the suture needle is fixed. And then the suture needle is driven by the motor to rotate at a high speed, and the suture needle and the surface of the grinding wheel are ground to a specified diameter value.

The invention relates to the field of container surface decal, and aims to provide a plane cover fixed decal paper machine which solves the problem that decal paper is uneven after viscose is solidified, the two ends of a steering rod are rotationally connected with the driving end of a motor and a connecting rod respectively, the connecting rod is further rotationally connected with a sliding plate, and the sliding plate is arranged in a sliding mode; the flattening assembly comprises a first air cylinder, a grinding frame and a grinding wheel, the first air cylinder and the grinding frame are rotationally arranged on the sliding plate, the driving end of the first air cylinder is rotationally connected with the grinding frame, and the grinding wheel is rotationally arranged on the grinding frame; the steering rod drives the sliding plate to move through the connecting rod, the sliding plate circularly moves back and forth, so that the grinding frame circularly moves back and forth, the grinding frame drives the grinding wheel to move back and forth, the grinding wheel grinds stained paper on a plane cover back and forth, the stained paper is slowly attached to the plane cover, the stained paper is flatly attached to the plane cover, and the stained paper cannot be uneven. The problem that the stained paper is uneven after the mucilage glue is solidified is solved.

1. Name of the designed product: grinding disc (diamond). 2. Use of the designed product: used for grinding and polishing of hard and brittle difficult-to-grind materials. 3. Design points of the designed product: in the shape, pattern and their combination of the product. 4. Picture or photo best indicating the design points: perspective view.

This utility model provides a feeder for preventing thin materials from uncoiling, including a support platform, and further comprising: an uncoiler, a leveler, a laser probe, and an NC feeder fixedly mounted on the support platform, with the laser probe located between the leveler and the NC feeder. The cleaning brush of this application cleans the upper and lower edges of the thin material, while the grinding roller grinds and removes burrs from the thin material, facilitating better cleaning and burr removal. This avoids the risk of burrs and impurities on the material exacerbating the jamming or scratching of the leveling roller. An electric push rod drives the cleaning brush to rise, allowing for better adjustment of the cleaning brush position according to the material thickness. A motor rotation drives the grinding roller to move, allowing for better adjustment of the grinding roller position according to the material width. This allows the cleaning and grinding structures to effectively handle the cleaning and grinding of materials of different specifications, making the overall leveler more flexible in use.

The utility model relates to a numerical control milling machine grinding cutter which comprises a mandrel and a grinding wheel, the mandrel is fixedly connected with the grinding wheel, the grinding wheel is of a bowl-shaped structure, the working end of the grinding wheel is provided with a main machining face, and the peripheral side face of the grinding wheel is provided with a side machining face. The grinding wheel is designed to be of a bowl-shaped structure, the working end of the grinding wheel is provided with a main machining face, and the peripheral side face of the grinding wheel is provided with a side machining face. When a workpiece clamped on a chuck seat of a machine tool is ground, the position, with the quality problem, of the workpiece can be independently ground, particularly for a protruding hard block, the main machining face can be adopted for directly grinding the bottom face with the hard block, the side machining face can also be adopted for grinding an inner hole with the hard block, the roughness of the grinding surface can reach Ra0.4, and the grinding precision can be improved. The requirements of drawings are met.

The utility model discloses raw material grinding equipment for carbon black masterbatch production, which comprises a stand column, a lifting assembly and a grinding assembly, the first motor is arranged at the upper end of the stand column, the lead screw is arranged at the output end of the first motor and located in the sliding groove, the two lifting plates are arranged outside the lead screw in a threaded mode and are symmetrically arranged, two sections of reverse threads are arranged on the outer wall of the lead screw, and the opposite outer walls of the lifting plates are attached to the inner wall of the sliding groove; the grinding assembly comprises a second motor arranged on the outer side of the upper side lifting plate. According to the raw material grinding equipment for carbon black master batch production, the two lifting plates are driven to get close to each other through the arranged first motor, then the grinding disc and the grinding box are controlled to get close to each other, the grinding disc and the grinding box which get close to each other grind and extrude raw materials, and therefore the situation that grinding particles are different in size during grinding is prevented; and it is guaranteed that ground powder is fine enough, and the using effect is not affected.

The invention relates to a convenient-to-grind polycrystalline superhard material green body and a preparation method thereof, the convenient-to-grind polycrystalline superhard material green body comprises a polycrystalline superhard material green body formed at high temperature and high pressure, and the polycrystalline superhard material green body comprises a polycrystalline superhard material product body, a working allowance grinding layer and an easy-to-grind grinding layer, the polycrystalline superhard material product is characterized in that the polycrystalline superhard material product body is a finished product which is obtained by grinding a polycrystalline superhard material blank and meets specification requirements; the machining allowance grinding layer is made of a fine-particle polycrystalline superhard material which is homogeneous to a polycrystalline superhard material product body and is completely identical in particle size; and the grindable grinding layer is a grinding layer of a pressed surface, and is a grindable grinding layer of coarse particles homogeneous to a polycrystalline superhard material and a grindable grinding layer of non-homogeneous to the polycrystalline superhard material. The raw material of the grindable grinding layer is coarse particle polycrystalline superhard material product body homogeneous micro powder, the particle size of the grindable grinding layer is larger than that of a polycrystalline superhard material product body, the porosity of the grindable grinding layer is larger than that of the polycrystalline superhard material product body, the larger the porosity is, the poorer the abrasion resistance is, grinding is easy, the machining cost is reduced, and the machining efficiency is improved. The gas suction effect of the metal powder can also reduce the content of impurity gas in the product body, and the effect is achieved.

The utility model relates to the technical field of grinding devices, and discloses an anti-blocking fine grinding device for flour processing, which comprises a shell, a feed port arranged at the top of the shell, a discharge port arranged at the bottom of the shell, a discharge port arranged on the outer surface of the shell, and a grinding disc fixedly connected with the inner wall of the shell, a motor is fixedly connected to the top of the shell, a rolling part is fixedly connected to the output end of the motor, a dredging assembly is arranged on the top of the inner wall of the shell, in order to enable the equipment to better grind materials, the motor is started to enable the rolling part to rotate, meanwhile, the grinding disc is matched to grind the materials, and when the rolling part rotates, the dredging assembly is arranged on the inner wall of the shell. According to the device, the stirring rod fixedly connected to the outer surface of the rotating shaft of the rolling piece can rotate together, and the stirring rod can make contact with the protruding block when rotating and fixing are conducted, so that the end of the movable block is collided, a connecting rod drives materials in the feeding port to move, and the materials in the feeding port are dredged.

To provide a wedge knife for splitting firewood that has improved durability and safety. [Solution] The firewood splitting wedge knife has improved durability by setting the thickness of the knife's spine between 10mm and 20mm, and the distance from the edge of the blade to the spine between 16mm and 38mm. The blade shape is either Scandi grind or full flat grind, and the blade's large cutting angle is configured at multiple angles, improving safety and efficiency when splitting firewood. Furthermore, the small cutting angle at the edge of the blade is set to 60°, and the blade thickness is 0.1mm or more, making it less likely to cause injury if accidentally touched. The blade length is kept to 5.6cm or less, improving ease of use.

The present application relates to the field of grinding manufacturing, and particularly relates to a grinding method, device, equipment and medium for multiple types of products, which comprises the following steps: when the type of grinding product is changed, a preset grinding speed corresponding to the changed type of grinding product and a corresponding batch coefficient are obtained; a to-be-determined grinding speed is obtained according to the preset grinding speed and the batch coefficient; a first-piece grinding plan is determined according to the to-be-determined grinding speed; the first-piece grinding plan is sent to a grinding equipment, so that the grinding equipment grinds according to the first-piece grinding plan; sample grinding feedback information is received from the grinding equipment; a correction coefficient is determined according to the grinding feedback information; the batch coefficient is updated by using the correction coefficient; and batch grinding is performed by using APC feedback according to the updated batch coefficient and the preset grinding speed. The present application improves the accuracy of early-stage trial grinding when the type of grinding product is changed, improves the production efficiency of grinding, and reduces the production cost.

The present application relates to gem valve seat processing technical field, especially a kind of high-precision sapphire valve seat ball groove grinding method, first, the sapphire blank is finished sapphire valve seat's spherical groove;In new grinding device, sapphire valve seat precision forming blank is placed in center positioning hole, add fine grinding paste to start grinding device and grind fine sapphire valve seat after grinding, sapphire valve seat is placed in center positioning hole, after sapphire ball is bonded in the lower end of swing lever, it is placed in the spherical groove of sapphire valve seat, add fine grinding paste and grind;Matched sapphire ball is placed in the spherical groove of sapphire valve seat after fine grinding, after adding grinding liquid, grinding damper pad and sapphire ball are contacted to start grinding;The present application realizes the automation of high-precision gem valve seat and batch production, so that valve seat surface finish effect and quality are more stable, the efficiency of valve seat is improved, the pass rate of product is greatly improved, and production cost is reduced.

The utility model relates to the technical field of roller type crusher repairing equipment, in particular to a roller type crusher compression roller surface repairing device which is provided with a rotary clamping device, an auxiliary clamping device, a grinding device and a welding device for filling, grinding and repairing a defect position of a compression roller, so that the applicability of a machine is improved; comprising a body; the machine further comprises a rotary clamping device, an auxiliary clamping device, a grinding device and a welding device. The rotary clamping device, the auxiliary clamping device, the grinding device and the welding device are all installed on the machine body. The machine body provides support, the rotary clamping device clamps and rotates the compression roller, the auxiliary clamping device assists in clamping the compression roller, the grinding device grinds and repairs the surface of the compression roller, and the welding device fills the defect of the surface of the compression roller through layer welding.

A grinding device comprises a grinding housing with mutually co-acting grinding bodies. A lower of the two grinding bodies is both driven and axially adjustable for the purpose of setting a grind size. An upper grinding body is removable. A grind size of the grinding device can be adjusted in absolute manner between a first extreme position and a second extreme position, corresponding to a fixed setting range between a minimal clearance between the two grinding surfaces and a maximum clearance between the two grinding surfaces. An extreme position of the adjustable grinding body is imposed by a stop which is encountered by the adjusting means in the relevant extreme position. A coffee machine uses the absolute grind size and / or a fine-tuning for an optimal contact time between coffee and through-flowing water.

A method is disclosed. The method includes providing a ceramic blade having a thickness and a ceramic cutting edge portion, providing a primary grind having a primary angle to the ceramic cutting edge portion based on a predetermined primary ratio, and providing a micro grind having a micro angle to the ceramic cutting edge portion based on a predetermined micro ratio. The predetermined primary ratio is a predetermined thickness divided by a predetermined primary angle. The predetermined micro ratio is the predetermined thickness divided by a predetermined micro angle. The method includes measuring at least one of the thickness, the primary angle, and the micro angle, and comparing at least one of the measured thickness to the predetermined thickness, the measured primary angle to the predetermined primary angle, and the measured micro angle to the predetermined micro angle.

The utility model relates to the technical field of liquid inlet valve core's external grinding, especially, a kind of liquid inlet valve core's external grinding device, it is by setting limit stop and clamping mechanism, so that the external grinding process of liquid inlet valve core, material can be clamped and limited, ensure that material does not deviate when grinding, improve processing quality;Including residue storage mechanism;Still including grinding mechanism, limit stop, pressing mechanism and two sets of clamping mechanism, grinding mechanism is installed on residue storage mechanism, limit stop is installed on residue storage mechanism, pressing mechanism is installed on residue storage mechanism, two sets of clamping mechanism are installed on limit stop;Residue storage mechanism stores residue, grinding mechanism grinds, limit stop limits, pressing mechanism is pressed, clamping mechanism clamps.

This application relates to the field of bearing processing, and specifically discloses a TC bearing and its production process. The TC bearing includes a TC bearing and a wear-resistant layer. The wear-resistant layer includes wear-resistant cemented carbide, wear-resistant powder, and a cylindrical mold. The wear-resistant cemented carbide is adhesively bonded to the surface of the TC bearing. The main raw material of the wear-resistant cemented carbide is tungsten carbide. The outer surface of the TC bearing is sleeved with the cylindrical mold. The wear-resistant powder is filled between the wear-resistant cemented carbide and the cylindrical mold. The wear-resistant layer is sintered by plasma surfacing technology. Its preparation method is as follows: find good concentricity; introduce the wear-resistant powder into the barrel; weld; cool, and then perform grinding to remove excess material and grind to the finished size. The TC bearing of this application can be used for mechanical wear-resistant processing, and it has the advantage of good wear resistance. In addition, the preparation method of this application has the advantage of closer connection.

This utility model provides a double-unit stone mill, belonging to the field of grinding technology. It includes a fixed frame and a rapid grinding assembly. Two support seats are provided on one side of the fixed frame, and each support seat has a base on its top. The rapid grinding assembly includes two connecting frames on the top of the base. Through the provided upper grinding disc, material is conveniently fed through one of the feeders to two discharge pipes during use. The two discharge pipes respectively feed material into two feeding hoppers. The feeding hoppers transport the material to multiple conveying hoppers via bidirectional sliding blocks, entering the upper and lower grinding discs. At this time, the user activates the torque motor via a controller, causing the torque motor to drive the lower grinding disc to rotate and grind the material. Both upper and lower grinding discs grind simultaneously. The ground powder is discharged through a receiving disc into the discharge head and falls into a recycling hopper for collection. Through the two sets of upper and lower grinding discs, rapid grinding is achieved, improving work efficiency.

The utility model discloses a special grinding device for plastic preparation, which comprises a barrel-shaped box body, a bearing is fixedly arranged on the inner wall of the barrel-shaped box body, a grinding disc is fixedly arranged on the inner ring of the bearing, and grinding holes distributed at equal intervals are formed in the outer wall of the grinding disc. A vertically-downward material pushing barrel is fixedly arranged on one side of the top of the barrel-shaped box body through an opening, and the outer wall of the bottom of the material pushing barrel is in clearance fit with the outer wall of the top of the material grinding disc. The air inlet fan at the top of the air inlet sleeve blows air to the abrasive disc, strong airflow can directly act on the surface of the abrasive disc and in abrasive holes, attached plastic powder is effectively blown away in time, it is guaranteed that the abrasive disc and the abrasive holes are always in a clean state, the effective working area of the abrasive disc and the abrasive holes is maintained, and the service life of the abrasive disc is prolonged. The plastic raw materials can make full contact with the material grinding structure and are fully ground, the powder grinding efficiency is improved, the ground plastic powder is uniform in particle size, and therefore the overall quality of products is improved.

This invention relates to the field of integrated bearing grinding technology, specifically to a multi-face integrated grinding process for the outer ring of a cross-roller bearing and its dedicated grinding device. The technical solution involves: clamping the outer ring of the cross-roller bearing once via the workpiece spindle base, and adjusting the axis of the bearing outer ring to form a 45° grinding inclination angle with the axis of the grinding end of the dedicated grinding device in the horizontal plane. The forming grinding wheel is controlled to cut into the outer ring of the cross-roller bearing radially, so that the first, second, and third grinding surfaces simultaneously contact and grind. The beneficial effect of this invention is that by using a dressed forming grinding wheel for 45° compound entry grinding, the outer circular surface, the stepped outer diameter surface, and the stepped end face of the grinding wheel simultaneously contact the workpiece, completing the machining of the outer circle, stepped outer diameter, stepped end face, and connecting fillet in one operation, completely eliminating the positioning errors caused by multiple clamping and equipment turnover in traditional processes.

The invention discloses a surface treatment process for an explosion-proof junction box of an integrated explosion-proof thermal resistor, which belongs to the technical field of explosion-proof junction box treatment and comprises the following steps of: roughly grinding the front surface and the back surface of the explosion-proof junction box at the same time; a second motor is started, and the front face and the back face of the explosion-proof wire box are roughly ground through a first grinding disc and a second grinding disc simultaneously; unidirectional polishing is carried out along the outline of the explosion-proof wire box; medium grinding is conducted on the front face and the back face of the explosion-proof wire box at the same time, a second motor is started, and a first grinding disc and a second grinding disc grind in the direction perpendicular to rough grinding; the front face and the back face of the explosion-proof wire box are finely ground at the same time, a second motor is started, and a first grinding disc and a second grinding disc conduct fine grinding on the front face and the back face of the explosion-proof wire box at the same time; polishing is conducted in the single direction; the front surface and the back surface of the explosion-proof wire box are polished at the same time, the polishing procedure can be compressed to be'one-time positioning and synchronous polishing ', the time for machining a single piece is greatly shortened, and meanwhile the reference deviation of two-time positioning during split face polishing is reduced.

The utility model discloses a vitamin C sodium phosphate grinding device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a grinding box body, the top of the bottom plate and the top of the grinding box body are fixedly connected with a frame body, and the middle end of the top of the frame body is fixedly provided with a motor through a bolt. The motor drives the rotating rod to rotate, the rotating rod drives the movable frame body to move, the movable frame body drives the grinding roller to rotate to grind and extrude sodium ascorbyl phosphate, the grinding effect of sodium ascorbyl phosphate can be further achieved, and the scraping plate can be driven to move while the grinding roller grinds the sodium ascorbyl phosphate; due to the fact that a certain distance exists between the scraping plate and the grinding roller, when materials adhere to the surface of the grinding roller, the materials can make contact with the scraping plate, the materials are scraped off through the scraping plate, adhesion of the grinding roller is avoided, meanwhile, the movable frame body drives the cleaning plate to move while moving, the bottom of the inner cavity of the grinding box body is cleaned through the cleaning plate, and raw materials are prevented from adhering to the bottom of the grinding box body.

The utility model discloses a raw material grinding device for cosmetic processing, including shell, grinding block, grinding tooth, drive assembly, crushing blade and transmission assembly, put raw material into the crushing cavity, the drive assembly that sets up drives and connects the crushing blade and grinding block rotation, and the crushing blade rotates and preliminarily crushes the raw material in the crushing cavity, and the raw material that passes primary crushing will fall into the grinding cavity at the bottom, and the grinding block that sets up rotates and further grinds and crushes the raw material in the grinding cavity, so that the raw material is further ground and refined, the drive assembly will drive the transmission assembly to run in this process, and the transmission assembly drives the reciprocating rolling of the rolling cylinder, and the rolling barrel further rolls and refines the raw material falling in the rolling cavity, so that the raw material grinding and crushing are more thorough, and the raw material that passes grinding and rolling and crushing thoroughly will fall into the collecting cavity set at the bottom through the sieve hole, facilitating subsequent centralized collection and processing.