2451 results about "Grinding mill" patented technology

The invention relates to a stable ring roller pulverizer which comprises a machine shell, an air guide barrel and a mounting barrel are fixedly arranged in the machine shell in a sleeved mode, and a grinding ring is fixedly connected to the inner side of the mounting barrel; a plurality of material grinding grooves are formed in the inner side of the grinding ring in an inward concave mode, the material grinding mechanism comprises a rotating disc driven by a corresponding driving mechanism, and a plurality of grinding rollers matched with the material grinding grooves of the grinding ring are rotationally installed on the periphery of the rotating disc; the buffering type material distributing mechanism comprises a feeding channel, a discharging port of the feeding channel is right opposite to the center of the rotating disc, a mounting part is mounted below the discharging port of the feeding channel in a lifting manner, a material distributing disc is rotationally mounted on the bottom side of the mounting part, and buffering rubber matched with the output shaft end of the driving mechanism is fixedly connected to the material distributing disc downwards; and the grader comprises a cylindrical filtering grating which is rotationally arranged at the feeding end of the discharging pipe. According to the device, dispersed feeding can be achieved, and the supporting performance of the material grinding mechanism can be enhanced in time when the device vibrates seriously.

The coffee extraction device comprises a main machine and a brewing mechanism connected to the main machine, a grinding mechanism is arranged in the main machine, and coffee beans entering a grinding cavity are ground into powder through a grinding cutter; the powder pressing mechanism is located above the brewing mechanism and reciprocates along the Z axis under the action of a first driving component; a water supply mechanism; the powder pressing mechanism further comprises a powder pressing device, and the powder pressing device and the brewing mechanism are combined to form a powder pressing channel capable of containing a powder pressing assembly. The powder pressing assembly is movably arranged in the powder pressing device and reciprocates along the powder pressing channel; the powder pressing assembly has a powder pressing stroke and a reset stroke in opposite directions in the powder pressing channel; a sensing device is arranged on the side portion of the powder pressing channel, electrically connected with a circuit system in the main machine and used for sensing the position of the powder pressing assembly and activating when sensing that the powder pressing assembly is in the reset stroke so as to switch on the circuit system in the main machine and supply water to the brewing mechanism.

A grinder including a housing, a motor within the housing, and a first handle attached to the housing and including a first sensor configured to detect the presence of a user. The grinder includes a second handle attached to a pivot arm, the pivot arm attached to the housing and configured to be pivoted around the circumference of the housing, the second handle including a second sensor configured to detect the presence of the user. The grinder includes a controller configured to control the motor based upon the detection of the presence of the user by the first sensor and second sensor, and wherein the controller prevents the motor from operating when second sensor does not detect the presence of the user.

The invention relates to the technical field of precision machining, discloses a double-shaft DFG grinding machine Z1-Z2 linkage removal amount control and grinding wheel loss optimization method and system, and aims to solve the problems of unreasonable Z1-Z2 removal amount distribution, inaccurate grinding wheel loss control and poor wafer surface damage adaptability of existing DFG grinding. According to the method and system, Z1 rough grinding parameters are determined and adjusted through multi-objective optimization and self-adaptive control by means of the initial morphology and material characteristics of a wafer; in combination with a Z1 result, a deep learning model is utilized to intelligently distribute Z2 accurate grinding removal amount and parameters, and adaptive adjustment and abnormal Air Cut are realized; and meanwhile, the grinding parameters are continuously optimized by adopting the grinding wheel loss prediction model. By adopting the technical scheme, the grinding efficiency and precision can be remarkably improved, the service life of the grinding wheel is prolonged, the cost is reduced, and the problems of removal amount distribution, grinding wheel loss and wafer damage are solved.

The utility model provides a putty stirring and grinding integrated moving trolley suitable for a spraying robot. The putty stirring and grinding integrated moving trolley comprises a chassis, a stirring machine, a liquid pump and a grinding machine. The chassis is used for fixing the stirrer, the infusion pump and the grinding machine; the chassis comprises a chassis frame, a first containing cavity and a second containing cavity are formed in the chassis frame, the stirring machine is located in the first containing cavity, and the grinding machine is located in the second containing cavity. One end of the infusion pump is provided with a feeding port, the other end of the infusion pump is provided with a discharging port, one end of the infusion pump extends into the stirring machine, and the other end of the infusion pump is fixed to the chassis frame, can be communicated with the grinding machine and is used for conveying materials in the stirring machine into the grinding machine. According to the invention, stirred materials can be directly pumped out of the charging barrel and conveyed into the charging barrel of the grinding machine through the infusion pump, and meanwhile, the materials can be discharged or continuously stirred through the three-way valve in the grinding machine; and the quick connector arranged at the bottom of the charging barrel can be connected with a valve or a material pipe, so that fixed-point discharge of materials can be realized, and a clean and tidy use environment can be ensured.

The invention discloses a traditional Chinese medicine grinding control system, which relates to the technical field of traditional Chinese medicine grinding control and comprises a medicinal material characteristic sensing module, an intelligent calculation analysis module, a dynamic execution adjustment module, a multi-mode optimization control module and a system coordination updating module. The medicinal material characteristic sensing module collects physical and texture characteristic data of medicinal materials; the intelligent calculation and analysis module fuses the medicinal material processing knowledge base and historical grinding process data to generate initial grinding control parameters; the dynamic execution adjustment module adjusts the operation parameters of the grinding mechanism in combination with the real-time grinding state data; the multi-modal optimization control module monitors the deviation between actual quality parameters and target quality parameters of powder, and a self-adaptive decision algorithm is used for optimizing regulation and control parameters of a grinding area; the system coordination updating module collects whole-process data and performance index evaluation and generates a system optimization instruction, and the instruction corresponding module adjusts the rotating speed and pressure parameters of a grinding area of the vertical grinding machine. According to the system, intelligent and precise control over medicinal material grinding is achieved, and the stability and consistency of the grinding quality are improved.

The invention discloses a double-face grinding machine, and relates to the technical field of grinding machines, the double-face grinding machine comprises a machine shell, and the upper surface of the machine shell is fixedly connected with a supporting column; the recognition device is arranged on the outer side surface of the supporting column and used for recognizing the position and angle of the material in real time; the fixing block is mounted on the upper surface of the supporting column and used for supporting a part; the pressure regulation and control device is installed in the middle of the upper end of the machine shell and used for monitoring and regulating and controlling the grinding pressure in real time; the grinding device is arranged on the upper surface of the machine shell; through the arrangement of the recognition device, the pressure regulation and control device and the monitoring device, scanning of the material position and angle and monitoring of the pressure can be achieved, the feedback control system ensures that the machining precision is not affected by equipment vibration and temperature fluctuation, seamless connection with a grinding program and automatic operation are achieved, and the machining precision is improved. And the material grinding quality is improved.

The utility model relates to the technical field of grinding, in particular to a full-automatic thickness measuring six-axis grinding, cleaning, coating and drying all-in-one machine which comprises a rack, a conveying mechanism, a grinding mechanism, an adjusting mechanism, a drying oven assembly and a cleaning mechanism. According to the utility model, a plurality of procedures such as grinding, cleaning, coating, drying and the like are integrated in one device, so that full automation and continuity of workpiece treatment are realized. And the time and the cost for transferring the workpieces among different devices are greatly reduced, and the overall production efficiency is improved. The cleaning mechanism is located between the grinding mechanism and the drying oven assembly, the surface cleanliness of the workpieces before the workpieces enter the drying oven is guaranteed, the burden of the follow-up cleaning procedure is further reduced, and the overall treatment efficiency is improved. The drying oven assembly not only has a drying function, but also integrates the functions of cleaning and coating release liquid. The workpiece treatment process is simplified, the number of devices and the occupied area are reduced, and meanwhile the treatment quality and consistency are improved.

A food waste disposer includes: a housing; a grinding case positioned inside the housing and configured to be separable from inside of the housing to outside of the housing and treat food waste; a rotating grinder configured to treat the food waste by rotating inside the grinding case and rotatably coupled with respect to a bottom surface of the grinding case; a grinder rotating shaft inserted in the rotating grinder and configured to rotate together with the rotating grinder; and a driver positioned below the grinding case and configured to provide rotation power of the rotating grinder, wherein the driver includes: a driving motor configured to generate power; a shaft driving gear configured to rotate by receiving power of the driving motor; and a connecting shaft configured to be rotatable within a range of a first angle with respect to the shaft driving gear, wherein one end of the connecting shaft is inserted in the grinder rotating shaft and another end of the connecting shaft is inserted in the shaft driving gear to transfer power from the shaft driving gear to the grinder rotating shaft.

The present application relates to the technical field of traditional Chinese medicine crushing, and particularly relates to a traditional Chinese medicinal material grinding device, which comprises a grinding table, a rolling grinding mechanism, a vibrating screening mechanism and a powder lifting mechanism, a cylindrical table is formed at the center of the grinding table, an outer edge table is formed at the outer edge of the grinding table, an annular grinding groove is arranged between the cylindrical table and the outer edge table, a main rotating shaft is arranged on the cylindrical table, the rolling grinding mechanism comprises a stone wheel, the vibrating screening mechanism comprises a sector-shaped frame, a sector-shaped sieve plate, a sector-shaped discharging plate, a vibration generating part and a buffer, an annular material cavity is formed between the sector-shaped sieve plate and the sector-shaped frame, the powder lifting mechanism comprises a suction pipe, a centrifugal fan and a buffer tank, the vibrating screening mechanism and the grinding table of the device are independently arranged, so that the bottom wall of the grinding table can be thickened when the grinding table is processed, the bottom wall of the grinding table is prevented from being damaged due to long-term grinding of the stone wheel, and at the same time, the corresponding sector-shaped sieve plate can be reduced in thickness when the vibrating screening mechanism is processed, so that the powder can be conveniently discharged.

The utility model discloses a ferrite magnetic core grinder, which relates to the field of ferrite magnetic core grinding and comprises a working platform, a grinding roller for grinding a magnetic core is mounted on the outer wall of the working platform, a movable plate is further mounted on the outer wall of the working platform in a sliding manner, and a lifting plate is vertically mounted at the top end of the movable plate in a sliding manner. The transmission mechanism is arranged on the movable plate and the lifting plate; the transmission mechanism comprises a limiting unit and a clamping unit; and the clamping unit is used for clamping the magnetic core. By arranging the transmission mechanism, when a magnetic core needs to be ground, the magnetic core can be clamped through the lead screw and the clamping block, the height of the lifting plate is adjusted by releasing limiting of the limiting block and the guide rod, the magnetic core is made to move to the needed height to make contact with the grinding roller to be ground, and compared with a traditional lifting mode, the magnetic core grinding device has the advantages that the magnetic core grinding efficiency is improved. By means of the structure, a user can conveniently and accurately adjust the height, and working efficiency is improved.

The laser grinding machine comprises a body, a grinding assembly is arranged in the body, the grinding assembly comprises a portal frame, the portal frame is fixed to a base, one side of the top of the portal frame is provided with a Z-axis module, the Z-axis module comprises a side plate, the side plate is provided with a galvanometer module and a baffle, and the galvanometer module and the baffle are arranged on the base. A through hole is formed in the middle of the baffle, the moving part is fixed to the base through a middle part, an objective table is arranged at the position, away from the base, of the moving part, the objective table is used for containing a workpiece to be machined, and light emitted by the galvanometer module penetrates through the through hole of the baffle to fall on the surface of the workpiece to be machined. And the galvanometer module is used as a machining head, so that the machining precision of a workpiece made of a diamond material is improved.

The utility model discloses grinding equipment for producing calcium carbonate powder, which comprises a rack, a shell and a driving part which are arranged on the rack, and a grinding mechanism arranged in the shell, the grinding mechanism comprises a grinding disc, a grinding roller assembly and a rotating main shaft, the grinding disc is rotatably arranged in the shell, the rotating main shaft vertically penetrates through the grinding disc, and the grinding roller assembly is arranged in the shell. A star rack is fixed at the top end of the rotating main shaft, the grinding roller assembly is mounted on the star rack and extends into the grinding disc, a large gear ring is fixedly arranged at the bottom of the grinding disc, a sun gear is fixedly arranged on the rotating main shaft, a planet carrier is fixedly arranged in the shell, and a planet gear meshed with the sun gear and the large gear ring at the same time is arranged on the planet carrier. The grinding disc is driven to rotate reversely while the grinding roller assembly is driven to rotate through the driving piece, the relative movement speed between the grinding disc and the grinding roller assembly is increased, shearing, extruding and grinding effects on materials are more complex and stronger, distribution is more uniform, and the grinding efficiency and the product fineness are improved.

The invention relates to a sapphire wafer back surface roughening method, which is based on a planetary double-sided grinding machine platform, and comprises the following steps: firstly, bonding the front surface of a low-TTV sapphire wafer subjected to double-sided accurate grinding and polishing to the surface of a ceramic plate, then fixing the ceramic plate on a wandering star wheel, then placing the wandering star wheel on a lower grinding plate, and grinding the sapphire wafer back surface with the lower grinding plate; wherein the back surface of the wafer faces the lower grinding disc; the upper grinding disc is forbidden, a sun gear and inner gear transmission mechanism is utilized, the wandering star wheel rotates on the lower grinding disc to form a precise grinding interface, and roughening of the back face of the sapphire wafer is achieved by regulating and controlling the rotating speed of the sun gear, the inner gear and the wandering star wheel. According to the method, on one hand, wafer thickness uniformity and parallelism control is achieved through the double-face polishing technology, on the other hand, low TTV control over the obtained single polished wafer is achieved in the roughening process through combination of equipment design and technology innovation, and the method is suitable for the 8-12-inch sapphire wafer and can be applied to the fields needing high-precision thickness control such as LED or semiconductor manufacturing.

The utility model relates to the field of white carbon black, and discloses a white carbon black superfine grinding modification device which comprises a shell, a material suction pipe is arranged on the top of the shell, material suction equipment is arranged on the upper portion of the shell, a grinding mechanism is arranged in the shell, and the grinding mechanism comprises a crushing mechanism and a grinding assembly. The grinding assembly comprises a grinding disc, the bottom of the grinding disc is fixedly connected with a plurality of supporting rods, the supporting rods are fixedly connected with the bottom of the inner wall of the shell, and a first motor is arranged on the lower portion of the grinding disc and fixedly connected with the inner wall of the shell. According to the white carbon black superfine grinding device, the shell, the grinding assembly and the air inlet are matched with one another, and the first motor, the rotating shaft, the grinding disc and the grinding piece are matched with one another, so that the white carbon black superfine grinding device can more effectively carry out superfine grinding on white carbon black materials, the production efficiency of the device can be effectively improved, and the device is more practical.

A variable flow sand mill. The invention forms multiple forms of vortexes in the mill by scientifically combining different structures of dispersing discs. When the dispersing discs run at high speed in the mill, the guide flow slope of the first dispersing disc is downward, giving the material a vertical downward and horizontal outward component force; the guide flow slope of the second dispersing disc is upward, giving the material a vertical upward and horizontal outward component force, the first dispersing disc and the second dispersing disc constitute the driving force of the large circulation in the mill; the third dispersing disc is affected by the isolation column, so that the material inside the isolation column moves upward and towards the central axis, and the material is bounced when colliding with the shaft sleeve; the material outside the isolation column moves upward and towards the inner wall of the cylinder, and the material is bounced when colliding with the inner wall, thereby forming vortex small circulations of different sizes inside and outside, multiple vortex small circulations in the mill cooperate with the overall large circulation, greatly increasing the frequency of collisions between particles in the material, and improving the grinding efficiency.

The invention relates to the technical field of industrial wastewater treatment, and discloses a treatment method for grinding fluid wastewater of a grinder, which comprises the following steps: pretreatment and demulsification, multi-stage chemical purification, biochemical deep treatment, deep purification and recycling, and sludge treatment. A specific supported heterogeneous catalyst is adopted in the multi-stage chemical purification step, nano zero-valent iron and copper oxide composite active components constructed on the surface of the catalyst can enhance the generation efficiency and stability of free radicals in the advanced oxidation process, and a composite coagulant with an optimized ratio in the coagulating sedimentation step is cooperated, so that the purification efficiency of the high-grade oxidation process is improved. An efficient continuous removal system for heavy metal ions and refractory organic pollutants is formed; meanwhile, in the pretreatment step, the demulsifier is composed of specific components, through the synergistic effect of all the components, rapid demulsification of the emulsified oil phase in the grinding fluid wastewater is achieved, favorable conditions are created for subsequent deep treatment, and therefore the purification efficiency and operation stability of the technology are overall improved.

1. Name of the designed product: coffee grinder. 2. Use of the designed product: the designed product is used for grinding coffee beans and the like. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention discloses a surface treatment method and device after automobile crankshaft machining, and belongs to the technical field of surface treatment after automobile crankshaft machining. The method comprises the steps that S1, a grinding machine base, a workpiece rotating table, a flexible grinding actuator, a state sensing system and a controller are arranged; s2, calibrating the total delay time of the system; s3, loading a standard three-dimensional geometric model, scanning the workpiece to obtain three-dimensional point cloud data, comparing to generate a margin removal map, and identifying high-risk geometric mutation points; and S4, a flexible grinding actuator is started, and when it is detected that the high-risk geometric sudden change point is about to be reached, the controller converts a feedforward pre-reading angle based on the total delay time of the system and the current angular speed of the workpiece rotating table, and an air pressure adjusting valve is instructed to exhaust air to the safe idling pressure in advance. According to the method, system delay is calibrated and feedforward control is carried out, so that the problems of normal force overshoot and overcut damage caused by system delay at geometric mutation points are solved.

The invention discloses a gantry type cylindrical surface grinding miller, and relates to the technical field of cylindrical mirror grinding, the gantry type cylindrical surface grinding miller comprises a rack, a bearing table is fixedly mounted in the rack, a first moving seat is mounted at the top of the rack, and transverse driving parts are mounted at the two ends of the first moving seat; a longitudinal driving part is installed on one side of the first moving seat, a second moving seat is installed on the other side of the first moving seat, a lifting driving part is installed in the second moving seat, a grinding tool replacing frame is arranged at the front end of the rack, and a transmission assembly is installed at the top of the grinding tool replacing frame. Accurate positioning of movement of the grinding tool on the connector and accurate control over the grinding speed can be achieved, the grinding requirement of cylindrical mirrors of any size can be met, the matching relation between the rotating speed of the main shaft and the moving speed of the grinding tool can be automatically adjusted, it is guaranteed that the optimal grinding condition is kept all the time in the grinding process, and the phenomenon of uneven grinding is avoided.

The utility model relates to a quartz powder grinding mechanism, and belongs to the technical field of quartz processing, the quartz powder grinding mechanism comprises a grinding disc arranged in a grinding box, a grinding block located in the grinding disc, three supporting legs and a planetary plate mechanism connected between the supporting legs and the grinding block, and a first driving mechanism is arranged at the bottom of the grinding disc. According to the quartz powder grinding mechanism, the threaded rod is in threaded connection with the threaded sleeve, and the sliding sleeve and the connecting handle are additionally arranged outside the threaded sleeve to extend and connect the grinding block, so that the supporting stability is good after the grinding block is adjusted, the grinding block is self-locked by a thread structure, and the structural stability is further improved; meanwhile, the three sets of supporting legs and cranks are matched to pull the grinding block to conduct swing grinding, on one hand, the friction fineness of contact between the grinding block and quartz can be improved, on the other hand, stress deviation of grinding of the grinding block at a single position can be reduced, and the practicability of the device is improved.

The invention relates to the technical field of precision machinery manufacturing, and particularly discloses a grinding device and technology for aluminum-based silicon carbide precision parts. The grinding device comprises a workbench, a shell and a grinding mechanism; the shell is fixedly connected to the top face of the workbench, and a driving motor is installed on the inner bottom wall of the shell. A driving shaft is arranged at the output end of the driving motor; a clamping jaw chuck is arranged at the top end of the driving shaft; the grinding mechanism is arranged on the top of the shell and can grind the workpiece clamped by the clamping jaw chuck. A liquid storage tank is arranged at the bottom of the workbench; a communicating pipe communicated with the liquid storage tank is arranged on the inner bottom wall of the shell, and an annular pipe is arranged on the inner wall, close to the top end, of the shell; a water spraying pipe is arranged on the outer wall of the annular pipe; the workbench is provided with a suction assembly capable of conveying grinding liquid in the liquid storage box into the annular pipe. And after the sprayed grinding liquid lubricates, cools and flushes the workpiece, the grinding liquid falling to the bottom of the shell finally flows back into the liquid storage tank through the communicating pipe, so that the grinding liquid is recycled, and resources are saved.

The present disclosure relates to the technical field of grinders, in particular to a grinding device. The grinding device comprises a shell and an adjusting mechanism, a male grinding head and a female grinding head are arranged in the shell, a grinding channel is formed between the male grinding head and the female grinding head, the adjusting mechanism comprises a first adjusting assembly and a second adjusting assembly, the first adjusting assembly is connected with the shell, the second adjusting assembly comprises a first adjusting sleeve and a second adjusting sleeve which are screwed together, the first adjusting sleeve is rotated accordingly when the first adjusting assembly is rotated, the second adjusting sleeve is driven by the rotation of the first adjusting sleeve to move up and down, and the size of the grinding channel is changed by the up and down movement of the second adjusting sleeve. As the first adjusting sleeve and the second adjusting sleeve are screwed together, the range of the up and down movement of the second adjusting sleeve is relatively fine, thus the change in the size of the grinding channel is also relatively fine; therefore, the particle size of a ground material can be easily and accurately controlled, and a desired particle size can be easily obtained by a user.

The invention discloses high-stability ferrite core automatic grinding equipment, and belongs to the technical field of machine tools and devices for grinding or polishing. The equipment comprises a machine cover, a workbench, two three-axis displacement mechanisms, two grinding mechanisms, two multi-connection clamping mechanisms, a scrap removing assembly and a two-way pressing mechanism, the three-axis displacement mechanisms drive the grinding mechanisms to achieve accurate movement in the X-axis direction, the Y-axis direction and the Z-axis direction, the grinding mechanisms grind magnetic cores, and the multi-connection clamping mechanisms and the two-way pressing mechanism jointly act, so that the scrap removing assembly can remove scraps on the magnetic cores. The magnetic core is stably clamped, and chippings and cooling water generated by grinding are treated in time through the chipping removing assembly; according to the grinding device, the grinding precision, stability and automation degree of the ferrite magnetic core are improved, the production efficiency is improved, the working environment is optimized, and the grinding device is suitable for machining of the hollow tubular ferrite magnetic core and has high practicability and popularization value.

An abrasive tool for a floor grinder, wherein the tool extends along a wear direction (D) from a grinding surface (G) to a mounting surface (M), wherein the abrasive tool comprises at least two sections (410, 420, 430) separated by a surface (P) transversal to the wear direction (D), where the at least two sections comprise respective abrasive materials associated with different grit sizes, where the section located closer to the grinding surface (G) is associated with a larger grit size compared to the section located closer to the mounting surface (M).

The utility model discloses a large steam turbine generator carbon brush grinding machine which comprises a machine frame, a grinding roller, a transmission device, an adjusting device, a brush box and a control device. The transmission device comprises a transmission assembly, the transmission assembly is arranged on one side of the rack, and the transmission assembly is connected with the grinding roller; the adjusting device comprises a first adjusting assembly and a second adjusting assembly, and the first adjusting assembly is arranged on one side of the rack in a sliding mode; the second adjusting assembly is rotatably arranged on the first adjusting assembly; the brush box is arranged on the top of the second adjusting assembly. The control device comprises a control assembly, and the control assembly is arranged on one side of the rack. Therefore, the contact area of the carbon brush and the collector ring is obviously increased, the radian of the surface of the carbon brush is perfectly matched with the radian of the diameter of the collector ring, the precision of manual grinding is greatly improved, and in addition, the technology also greatly enhances the safety when the carbon brush is replaced in the running state of the generator.

Method for operating a coffee grinder in which coffee beans are ground into a powder by means of a grinding mechanism of the coffee grinder, characterized in that: - during grinding, the coffee powder resulting from the grinding is weighed using a scale in the coffee grinder, whereby several measured values ​​(M1) of the weight of the coffee powder resulting from the grinding are recorded successively over time; - by means of an electronic computing device, depending on the measured values ​​(M1), a future, first time point (t1) is predicted at which the weight will have a predetermined target value (16); - depending on the predicted first time (t1), the mill and thus the grinding is stopped at a second time (t2), which is a predetermined time interval (Z) before the predicted first time (t1).

The utility model relates to gallium oxide grinder technical field discloses a kind of gallium oxide grinding mechanism with screening structure, including bearing support, the bottom of bearing support is fixedly connected with moving wheel, the surface of bearing support is fixedly connected with support plate, the top of support plate is clamped with driving motor, the output end belt of driving motor is connected with transmission belt one;The inner wall belt of transmission belt one is connected with transmission wheel one, the surface belt of transmission wheel one is connected with transmission belt two.The utility model is connected with filter screen plate by setting the right end thread connection of grinding shell, can carry out preliminary filtration to material after grinding, prevent the material of larger particle from discharging directly, and the screening net of fixed frame inside is inserted further to the material screening, ensure that only the material reaching the material of specified particle size can pass through screening net and enter collection box, not only improve the grinding quality of material, but also facilitate the classification collection of different particle size material.

The invention relates to the technical field of mineral crushing, and particularly discloses a mineral grinding machine which comprises a shell, a crushing assembly and a grid plate component arranged on the shell, the grid plate component comprises a plurality of grid plate assemblies arranged in the circumferential direction of the shell at intervals, and a discharging gap is formed between every two adjacent grid plate assemblies; the grate plate assembly comprises a fixed part fixedly arranged on the shell and a movable part sliding in the fixed part in the radial direction of the shell, a crushing part is arranged on the outer side face of the fixed part in a resettable and sliding mode, and an abutting assembly is installed between the crushing part and the movable part so that when the movable part slides in the direction away from the center of the shell, the crushing part can abut against the movable part. The crushing piece slides towards the blanking gap; by means of the structural arrangement, the grid plate component has the screening function and the active cleaning function, multi-direction cleaning can be carried out on the discharging gap under the non-stop condition, serious blockage is effectively prevented, and the continuous operation capacity and the overall crushing efficiency of the mineral grinding machine are improved.

The application relates to the field of optical fiber grinding equipment, in particular to an optical fiber grinding machine. The optical fiber grinding machine comprises a machine body, a holder and a control element, the machine body comprises a machine box, a grinding disc and a driving mechanism, the holder and the grinding disc are arranged above the machine box, the holder comprises a support frame and a clamp, the support frame is fixed relative to the machine box, the clamp is installed on the support frame, and the clamp is suitable for clamping an optical fiber; the grinding disc is installed between the top surface of the machine box and the clamp in the vertical direction, the driving mechanism is installed on the machine box and can drive the grinding disc to rotate so as to grind the optical fiber clamped by the clamp; the grinding disc and the clamp are both conductive parts, the grinding disc is electrically connected with the control element through a first wire, the clamp is electrically connected with the control element, the control element is signal-connected with the driving mechanism; when the bottom surface of the clamp contacts the grinding disc, the grinding disc, the clamp and the control element form a conduction loop, the control element collects the electric signal of the conduction loop and controls the driving mechanism to stop working.