151 results about "Belt grinding" patented technology

The invention belongs to the technical field of transmission tower accessory machining, and discloses a machining stamping device and method for transmission tower angle steel. The machining and punching device for the angle steel of the power transmission tower comprises a punching machine, a steel walking frame is arranged on one side of the punching machine, a lifting compression roller assembly and a lower driving roller assembly which are arranged in parallel up and down are installed on the steel walking frame, a concentric-square-shaped frame is fixedly installed on the side, away from the punching machine, of the steel walking frame, and a plurality of carrier rollers are rotationally installed at the top end of the concentric-square-shaped frame; elastic stress application type swing arm assemblies are installed on the front edge and the rear edge of the top end of the frame shaped like the Chinese character'hui ', and abrasive belt grinding assemblies are installed on the sides, close to the vertical center datum plane of the frame shaped like the Chinese character'hui', of the elastic stress application type swing arm assemblies. The L-shaped angle steel obtained after stamping is completed is conveyed to the multiple carrier rollers through cooperation of the lifting pressing roller assembly and the lower driving roller assembly, and the outer wall face of the L-shaped angle steel is subjected to deburring and grinding operation through the abrasive belt grinding assembly.

The invention relates to the field of aluminum plate machining, in particular to a composite machine tool for aluminum plate machining, which comprises a machine body, a grinding conveyor belt is mounted in the middle of the machine body, and a driving cabin is mounted on the upper portion of the machine body through a transverse moving mechanism in a driving manner; an abrasive belt grinding mechanism and a hole grinding mechanism are installed on the two sides of the electric overturning base correspondingly. According to the device, the lifting frame, the electric overturning base, the transverse moving arm and other assemblies arranged in the driving cabin are matched with the abrasive belt grinding mechanism and the polishing head assemblies to achieve the rapid switching and operation functions of plane grinding and hole grinding modes, and meanwhile in the hole grinding process, through the folding connecting rod, the connecting block and other assemblies matched with the polishing head assemblies which are connected in a sleeved mode, the hole grinding efficiency is improved. The self-adaptive deviation function of the polishing head can be achieved, self-adaptive adjustment operation can be rapidly conducted on holes of different sizes, the grinding efficiency and the machining precision are effectively improved, and time and labor needed for replacing grinding equipment are saved.

The invention provides a grinding machine facilitating grinding tool replacement and a grinding tool replacement method thereof. The grinding machine comprises a mounting frame, a driving motor is fixed to the mounting frame, and a driving wheel is fixed to the output end of the driving motor; an adjusting assembly is fixed to the mounting frame, a first fixing assembly is fixed to the movable end of the adjusting assembly, and at least two guide wheels capable of rotating are mounted on the first fixing assembly; the second fixing assembly is mounted on the mounting frame, and an angle-adjustable adjusting wheel is mounted on the second fixing assembly; the abrasive belt is arranged on the driving wheel, the guide wheel and the adjusting wheel in a sleeving mode, and a closed-loop structure is formed; and the positioning assembly is arranged at one of the guide wheels and is used for judging whether the replaced abrasive belt is in the center position on the surfaces of the guide wheels or not. Whether the replaced abrasive belt is located in the middle of the guide wheel or not is positioned through the positioning assembly, and therefore the difficulty of replacing the abrasive belt of the abrasive belt grinding machine is lowered.

The invention discloses a workpiece grinding device and aims to provide a multi-station abrasive belt grinding machine which is high in machining efficiency, capable of conducting multi-level precision grinding at the same time, small in occupied space and convenient to replace an abrasive belt and a control method of the multi-station abrasive belt grinding machine. According to the key points of the technical scheme, through a machining rotary disc and a grinding device arranged in the outer tangent line direction of the machining rotary disc, a positioning device corresponding to the grinding device is arranged on the machining rotary disc, the grinding device can set different parameters according to requirements, automatic switching of multi-stage machining parameters is completed, the adaptability of the technology is improved, and the machining efficiency is improved. Integrated machining of multi-stage precision grinding of materials is achieved, meanwhile, the abrasive belt can be conveniently replaced by adjusting the tightness degree of the grinding abrasive belt, in the grinding machining process of the workpiece, contact between the grinding abrasive belt and the workpiece is achieved through the driving assembly, the overall machining precision is high, the machining effect is good, and the machining efficiency is high. The invention is suitable for the technical field of workpiece polishing devices.

The utility model discloses a round bar sample surface polishing device which comprises a base, a centering part and an abrasive belt polishing part used for polishing a round bar sample, the centering part comprises a containing plate, a placing plate, a hollow column, a supporting column, a fixing frame and a pressing plate, and the containing plate is welded to the outer wall of the top of the base through a supporting block; the outer wall of the bottom of the containing plate is fixedly connected with a third electric telescopic rod, the containing plate is fixed to the output end of the third electric telescopic rod through a pin, the hollow column is movably connected to the inner wall of a through hole formed in the containing plate, and a three-jaw chuck is welded to the outer wall of the top of the supporting column. The polishing abrasive belt is in full contact with the circumferential outer wall of the round bar sample, so that polishing dead angles are avoided; the tensioning degree of the polishing abrasive belt can be adjusted, so that the polishing effect is guaranteed; and when the round bar sample needs to be polished, the whole device is covered with the two protective covers, and the safety of the polishing process is guaranteed.

The invention relates to the technical field of workpiece residual root grinding, and discloses an abrasive belt grinding and deburring machine for residual roots of a casting head of a turbine shell of a gas compressor, which comprises a grinding and deburring machine main body and a grinding and deburring mechanism fixed at the rear end of the top of the other side of the grinding and deburring machine main body, a first stand column is fixedly installed on one side of the top of the grinding and deburring mechanism, and a second stand column is fixedly installed on the other side of the top of the grinding and deburring mechanism. When the residual root of the casting head of the turbine shell of the gas compressor is ground, if the cross section of the residual root is large and smooth, the bending adjusting plate is rotated to be in a vertical state, the maximum cross section of the first grinding abrasive belt makes contact with the residual root for grinding, and if the residual root is a curved surface or an inclined surface, the bending adjusting plate is rotated to be adjusted to a proper angle, so that the residual root is ground. And then, after a locking bolt penetrates through an arc through groove to lock the bending adjusting plate, the first grinding abrasive belt is located at a proper angle to grind the residual root of the casting head of the turbine shell of the gas compressor.

The utility model belongs to the technical field of internal mixers, and discloses special equipment for grinding and polishing a surfacing alloy surface of an internal mixing chamber through a multi-wheel-set abrasive belt. And the core design is a special multi-wheel-set structure, so that the length of the abrasive belt is increased, the service life of the abrasive belt is prolonged, the frequency of replacing the abrasive belt is reduced, the grinding procedure of a workpiece is completed in the shortest time, and the machining precision and the surface machining quality of the inner wall of the internal mixing chamber are improved. And the workpiece is machined and polished on the planetary grinding machine within the shortest time. And meanwhile, a U-shaped wheel seat is additionally arranged on the design of a tensioning wheel and a grinding wheel part, so that the situation that the grinding position of the abrasive belt has angular deviation due to uneven stress in the abrasive belt adjusting and grinding process is avoided, the flatness and smoothness of the grinding surface are guaranteed to the maximum extent, and the machining precision and the surface machining quality of the inner wall of the internal mixing chamber are improved.

The high-precision bamboo skin thickness determining machine comprises a working table, an abrasive belt grinding machine, a plc controller and a switch, a grinding device is arranged on the working table and comprises a supporting frame, a roller set, a driving assembly, a pressing plate, an adjusting assembly and a supporting plate, the feeding roller set and the discharging roller set are symmetrically arranged, the bamboo skin is kept stable and centered in conveying, and the conveying speed of the bamboo skin is increased; uniform grinding is facilitated; the adjusting assembly is matched with a sliding block through a lead screw, the distance between a pressing plate and a polishing area can be accurately adjusted by rotating a handle, the bamboo splits can be machined to the minimum thickness of 0.15 mm, the precision reaches 0.02 mm, and various thickness requirements are met. The supporting plate effectively prevents the bamboo splits from drooping and deviating, and the spring pressing plate on the supporting plate at the feeding end prevents the bamboo splits from jumping and deviating during feeding; the auxiliary limiting mechanism in the sliding frame prevents displacement of the sliding block due to gravity or mistaken touch of the handle through the auxiliary limiting strip and the adjusting bolt, it is guaranteed that the distance between the pressing plate and the grinding area is stable, the grinding precision and consistency are improved, and the debugging frequency is reduced.

The invention discloses a lightweight abrasive belt grinding spark image restoration method based on edge guidance. The method comprises the following steps: (1) acquiring a spark image; (2) performing data enhancement on the spark image acquired in the step (1); and (3) carrying out image restoration module training by adopting the spark image subjected to data enhancement in the step (2). And (4) repairing the damaged / missing spark image area in the step (1) by using the image repairing module in the step (3) so as to obtain a spark image with complete information. Limited spark image data are enhanced by adopting data enhancement, the enhanced spark image data set is input into the repair module for training, and finally the data set is used for repairing a damaged / missing spark image area occurring in the abrasive belt grinding process on line, so that the robustness and generalization ability of an MRR model are improved, and the abrasive belt grinding efficiency is improved. And the monitoring precision of the material removal rate is effectively improved.

The utility model provides a dual-purpose semi-automatic tool sharpener which comprises a frame, an abrasive belt grinding mechanism, a millstone grinding mechanism and a water tank are installed on the frame, a driving shaft and a tensioning shaft are arranged on the frame in parallel, a grinding abrasive belt is wound on the driving shaft and the tensioning shaft, one side of the driving shaft extends outwards and is provided with a driven chain wheel, and the other side of the driving shaft is provided with a driven chain wheel. A motor is installed on the frame, a driving chain wheel is installed on an output shaft of the motor, the driving chain wheel and a driven chain wheel are in transmission through a chain, the millstone polishing mechanism is installed on the side face of the frame, a sliding groove is fixedly formed in the position, on one side of the chain wheel, of the frame, and a sliding block is installed in the sliding groove and protrudes out of a strip-shaped hole to form a protruding shaft. An eccentric shaft is arranged on the outer side face of the driven chain wheel, and a driving rod is installed between the eccentric shaft and the protruding shaft. According to the dual-purpose semi-automatic tool sharpener, an abrasive belt grinding system and a grinding stone grinding system are integrated, the water tank is arranged in the dual-purpose semi-automatic tool sharpener to achieve wet grinding, the tool sharpening efficiency is remarkably improved, and a blade is protected.

This invention belongs to the field of precision machining technology, and discloses a structured contact wheel belt grinding device and control method with flow pressure regulation. It has the function of grinding structured surfaces of various sizes with the same structure, including a support structure and a structured surface grinding actuator. The support structure includes a base plate, ribs, a motor fixing component, and an electric actuator support. The structured surface grinding actuator includes a drive motor, a motor connecting shaft, a drive wheel, a sanding belt, a tension wheel, a tension wheel bracket, a tension wheel bracket fixing component, a guide wheel assembly, a guide wheel assembly bracket, an electric actuator, a force sensor mounting flange, a force sensor, a contact wheel frame fixing component, a contact wheel frame, a structured contact wheel, a ring clamp, hydraulic oil lines, and an electro-hydraulic servo valve. This invention is mainly used for structured surface belt grinding. It adjusts the hydraulic system loading parameters according to the real-time changes in grinding force during the grinding process to control the internal flow pressure of the structured contact wheel, thereby meeting the stable processing requirements of structured surfaces of different sizes.

The utility model discloses a self-adaptation polishing equipment that corrects ball head hitting surface grain roughness, including first table frame and second table frame, first table frame top is provided with abrasive belt grinding device, second table frame top is fixedly provided with X-axis control device, the output end of X-axis control device is fixedly provided with Z-axis control device, Z-axis control device is provided with Z-axis control device, Z-axis control device is provided with Z-axis control device, Z-axis control device is provided with Z-axis control device, Z-axis control device is provided with Z-axis control device, Z-axis control device is provided with Z-axis control device. Compared with the prior art, the device has the advantages that repeated machine adjustment is not needed, and the production efficiency is improved; compared with the prior art, the machining time is short in the grinding process; in the prior art, a cutter is used for machining, the device utilizes an abrasive belt for grinding, and the cost of the abrasive belt is lower than that of the cutter; cutter machining is adopted in the prior art, cutter loss is high, and abrasive belt loss is lower than cutter loss. Due to the fact that the roughness can be controlled by replacing abrasive belts of different models, the rotating speed and the Z-axis height, reworkable process setting is achieved, compared with an existing CNC machining mode or a traditional machining mode, no reworking chance exists, and the device has good practicability.

This application discloses a polishing device and its polishing process for an integrated steel wire production line, relating to the technical field of polishing and grinding equipment. It includes a preheating module, a primary coarse polishing unit, a low-temperature stress relief module, and a secondary fine polishing unit arranged sequentially along the steel wire's direction. The preheating module preheats the steel wire to 70-100°C. The primary coarse polishing unit uses multiple sets of grinding wheels for deep polishing. The low-temperature stress relief module heats the steel wire to 200-250°C to eliminate residual stress. The secondary fine polishing unit uses multiple sets of abrasive belt grinding components for fine polishing. This application achieves the technical effects of effectively removing deep defects on the surface of the steel wire, eliminating residual stress and bending deformation, eliminating coarse grinding marks, and correcting dimensional deviations.

The invention provides an abrasive belt grinding machine with an abrasive belt pressure detection function. The abrasive belt grinding machine comprises a mounting frame, a workbench arranged in the horizontal direction is fixedly arranged on the mounting frame, a driving motor is arranged on the mounting frame, and the output end of the driving motor is in transmission connection with a grinding assembly; the grinding assembly comprises an abrasive belt, a grinding area is arranged on the abrasive belt, a clamping and fixing assembly used for clamping a to-be-ground part is arranged on one side of the grinding area, the clamping and fixing assembly is installed on the workbench through an installation assembly, and in the process of clamping the to-be-ground part for grinding, the to-be-ground part is clamped by the clamping and fixing assembly. And the contact pressure between the workpiece and the abrasive belt polishing area can be measured in real time. By obtaining real contact pressure data in the grinding process, deviation generated by only depending on equipment set values or experience judgment can be avoided, the stability and consistency of grinding pressure can be kept, the problems of uneven surface quality and the like are reduced, and the grinding quality is improved. And basic support is provided for quantitative setting of technological parameters, equipment state evaluation and subsequent stable control or intelligent grinding.

The invention belongs to the technical field of dust removal equipment, and particularly relates to a negative pressure dust collection device for a straight wire drawing belt sander, the negative pressure dust collection device comprises a dust collection box and a sealing box door, the inner wall of the dust collection box is fixedly connected with a partition plate, and the upper surface of the partition plate is fixedly connected with a suction fan. The negative-pressure dust collecting device can comprehensively absorb metal dust generated by abrasive belt grinding of a steel wire to be boronized under negative pressure, the situation that the metal dust overflows to pollute the environment and harm the health of workers is avoided, the environment friendliness of the wire drawing process is improved, and the device has the online dust removing function through the pulse cleaning mechanism; two dust collecting cloth bags alternately run, so that the use continuity is improved, meanwhile, the device further has the function of aggregating metal powder into blocks, the situation that secondary pollution is generated due to the fact that the metal powder drifts away again in the discharging process of the metal powder in the device is avoided, and the use reliability and efficiency of the device are improved; and the dust-collecting and environment-friendly effects of the device are improved.

The present application relates to a novel abrasive belt transmission and control device, aiming to provide a simple structure, stable transmission and intelligent control function of the abrasive belt transmission system. The device includes an abrasive belt, a motor, a first transmission roller, a second transmission roller, a driving wheel, a driven wheel and an electric control system. The first transmission roller is connected with the fixed frame through the bearing and is provided with an extension part which is fixed with the driven wheel. The motor is transmission matched with the driving wheel and the driven wheel, and the output end of the motor is axially parallel with the first transmission roller. The electric control system can adjust the working mode of the motor, including the point operation, continuous operation and stop mode, to meet different operation requirements. The system further includes a delay relay, a control relay and an alternating current contactor, to ensure the smooth start and stop of the motor, and the thermal relay is added to provide overload protection. The device has the advantages of simple operation, accurate transmission, etc., and is widely used in abrasive belt grinding, polishing and other applications, and can be applied to other automatic transmission equipment.

The invention discloses a grinding assembly of a grinding machine and the grinding machine, and relates to the technical field of grinding equipment, the grinding assembly of the grinding machine comprises a conveying belt mechanism, the conveying belt mechanism is provided with dust collection holes formed in the surface of a conveying belt, and the dust collection holes are used for adsorbing grinding powder and conveying the grinding powder into an external collection box for collection; the grinding mechanism is arranged at the feeding end of the conveying belt mechanism, under the cooperation of the grinding mechanism, firstly, the differential grinding precision is high, and the multi-section abrasive belt grinding assembly achieves dynamic adaptation of the rotating speed of each abrasive belt section (high-rotating-speed deburring in a key grinding area and low-rotating-speed polishing in a conventional area) through an independent driving piece and an electromagnetic blocker; secondly, the adjusting and flattening assembly can synchronously or independently control the flattening piece, it is ensured that the grinding face of the abrasive belt is horizontal, the situation that due to the fact that contact pressure is not uniform, the grinding precision is greatly improved, and the grinding precision is greatly improved is avoided; and the local wear rate is reduced.

The invention discloses an energy-saving mute motor shaft and a preparation method. The energy-saving mute motor shaft comprises a first shaft body, a mute structure and various polishing assemblies. The mute structure is arranged, that is, the first shell and the second shell are arranged outside the first shaft body, the first connecting ring and the second connecting ring abut against the first shaft body in a rolling mode, when the first shaft body rotates, the friction force can be reduced through the rolling effect of the balls, noise is reduced, and meanwhile the noise is reduced. Meanwhile, a grinding device is arranged in the finish machining treatment step to efficiently grind and polish the outer portion of the motor shaft, that is, through a clamping structure, the abutting effect of an abrasive belt and the outer portion of the motor shaft can be improved, grinding loosening is avoided, and meanwhile the grinding effect is improved. And under the sequential operation of the spraying assembly and the winding assembly in the cooling structure, intermittent adjustment and use of multi-position spraying cooling and the abrasive belt grinding position can be met, and therefore high efficiency and intelligence during motor shaft preparation and grinding are achieved.

The application discloses a kind of based on the improved NSGA-II algorithm abrasive belt grinding multi-objective process parameter optimization method, first establish the mathematical model of carbon emission, surface roughness and material removal rate of abrasive belt grinding process, then according to the improved NSGA-II algorithm multi-objective optimization model is established, and using the improved NSGA-II algorithm multi-objective optimization is realized the intelligent optimization of process parameter of grinding process.The method of the application fully considers the mutual influence between each process parameter in the process of abrasive belt grinding difficult-to-machine material, the improved NSGA-II algorithm proposed uses new sequencing method, improves the population diversity of algorithm, so that the algorithm has better solution set uniformity, and the searching ability of improved NSGA-II to global optimal solution is stronger, under the same condition, the number of Pareto optimal solution of improved NSGA-II algorithm is more than NSGA-II and MOPSO algorithm, which means that improved NSGA-II algorithm can find out better global optimal solution.

This invention discloses a grinding component and a grinding machine, relating to the field of grinding equipment technology. It includes a conveyor belt mechanism with dust-collecting holes on the surface of the conveyor belt for adsorbing and transporting grinding powder to an external receiving box for collection; and a grinding mechanism installed at the feed end of the conveyor belt mechanism. With the cooperation of the grinding mechanism, firstly, it achieves high precision in differentiated grinding. The multi-segment sanding belt grinding component, through independent drive components and electromagnetic stoppers, dynamically adapts the rotational speed of each sanding belt segment (high speed for deburring in key grinding areas, low speed for polishing in regular areas). Combined with the reciprocating sliding, pitch angle adjustment, and pressure closed-loop control of the abutment grinding component, it precisely matches the needs of different areas of the sheet metal part, avoiding over-grinding or under-grinding, and significantly improving grinding precision. Secondly, it allows the adjusting abutment component to be controlled synchronously or independently, ensuring the sanding belt grinding surface is level and avoiding reduced local wear rates due to uneven contact pressure.

The invention discloses a photovoltaic aluminum frame polishing control method and system with a polishing head adjusted through a mechanical arm, and relates to the technical field of photovoltaic aluminum frame polishing control. A three-degree-of-freedom mechanical arm is used for adjusting and controlling a pressing mechanism so that an abrasive belt polishing head can be attached to a photovoltaic aluminum frame; normal contact force and tangential friction force are monitored in real time through a six-dimensional force and torque sensor, and three-dimensional grinding characteristics are constructed in combination with an abrasive belt grinding motor load; based on the characteristics, a polishing state index is calculated through a polishing state evaluation model, and the deviation degree between the current polishing state and an ideal process reference is reflected; according to the grinding state index change curve and the trend thereof, whether grinding is completed or failed or not is automatically judged, and stable grinding quality is ensured; through fusion of force control fitting, multi-source sensing information processing and real-time state evaluation, efficient and accurate polishing of the photovoltaic aluminum frame is achieved, and the production efficiency and the product quality are improved.

The utility model discloses a waterproof knife grinding device of a fresh meat slicing machine, which is arranged on two sides of a cutting area of the fresh meat slicing machine and used for grinding a blade part of a knife belt. The waterproof knife sharpening device comprises a waterproof shell, an inner supporting block, a telescopic knife sharpening unit and a belt abutting and supporting unit. The waterproof shell is fixedly arranged on the fresh meat slicing machine, the inner supporting block is fixedly arranged in the waterproof shell, and the telescopic sharpening unit is slidably connected to the inner wall of the top of the waterproof shell; a power unit for providing rotation power for the telescopic knife sharpening unit is arranged in the inner supporting block, and a belt abutting and supporting unit is connected to the side wall of the inner supporting block in a hinged mode. According to the waterproof knife grinder, a waterproof mechanism of a power and transmission part of the knife grinder is designed while the grinding shaft distance between the knife grinding wheel and the knife belt is adjusted, so that the knife grinder is more durable, can spray water to clean at any time according to the use condition, and is simple in structure and easy to implement.

The present invention discloses a grinding device for sole test piece testing, comprising a pedestal, a forward and reverse movable slide, a material fixture mechanism, a left sanding belt grinding mechanism, a right sanding belt grinding mechanism, a protective cover mechanism, an air blowing head and a dust suction port; the present invention can adaptively clamp circular or rectangular sole materials through the material fixture mechanism, and the position of the sole material can be adjusted back and forth, so that different areas of the sanding belt can be evenly involved in the grinding, thereby extending the service life; the two sanding belt grinding mechanisms can automatically adjust the sanding belt position after it is offset, thereby preventing the sanding belt from running off and falling off, and reducing abnormal sanding belt loss; the sanding temperature can be effectively reduced while absorbing dust, thereby avoiding damage to material properties; the protective cover mechanism adopts a folding structure, and the front side of the protective cover mechanism can be opened and closed up and down, which is convenient for grinding operations, and reduces dust overflow after closing, thereby avoiding pollution to the environment, and is convenient to operate, and significantly improves the working environment.

The utility model discloses an abrasive belt grinding and polishing device of grinding and polishing equipment, which comprises a gantry bracket, a first lifting mechanism and a second lifting mechanism which are connected to the gantry bracket, and a grinding and polishing component which is controlled by the first lifting mechanism and the second lifting mechanism to lift synchronously, the first lifting mechanism and the second lifting mechanism are parallel to each other and are vertically arranged; the first lifting mechanism and the second lifting mechanism each comprise a double-track driving unit, and the grinding and polishing assembly is used for grinding or polishing a workpiece. According to the abrasive belt grinding and polishing device of the grinding and polishing equipment, the two parallel and vertically-distributed lifting mechanisms are arranged on the gantry support and used for driving the grinding and polishing tool to ascend and descend, meanwhile, the rotating flanges are further arranged on the lifting mechanisms and used for driving the grinding and polishing assembly to rotate by an angle, and the abrasive belt grinding and polishing device runs stably and can be compatible with workpieces of different shapes; and the universality is high, and the machining cost can be saved.

The invention discloses an abrasive belt grinding knife propelling mechanism which comprises an abrasive belt grinding knife frame, an abrasive belt driving device, a driving device and a driving device. The abrasive belt grinding knife frame is provided with an abrasive belt used for grinding a knife. The mounting seat is connected with a transmission rod capable of driving the abrasive belt sharpening frame to swing; an adjusting piece is installed on the transmission rod, a spring and a connecting plate are arranged on the adjusting piece, and the connecting plate is connected with the transmission rod in an abutting mode through the spring to drive the transmission rod to move and drive the abrasive belt knife sharpening frame to swing. The connecting plate drives the transmission rod to displace through the spring so as to drive the abrasive belt knife sharpening frame to swing, so that the abrasive belt on the abrasive belt knife sharpening frame can swing synchronously and make contact with the knife to sharpen the knife, the knife sharpening pressure is controlled through elastic abutting of the spring, the knife can be effectively polished, meanwhile, the situation that the knife is damaged due to too large pressure is avoided, and the service life of the knife is prolonged. In addition, the knife sharpening device is simple in structure, low in use cost and suitable for wide application and popularization.

The invention relates to a press-on element 1 for an abrasive belt 30, in particular for wide belt grinding machines, consisting at least of a backing material 10 with a padding 3 and a sliding layer 4. To clearly improve the grinding results, a method and a press-on element 1 based thereon are employed which permits an additional cooling of the padding 3 and thereby the abrasive belt 30. The press-on element 1 here substantially consists of a padding 3 consisting of a spacer fabric. The spacer fabric is manufactured from two loosely woven textile surfaces which are connected to each other by pile threads so that the cooling medium can flow through the padding 3.

The invention provides an accurate control method for a grinding machine for belt grinding, and belongs to the technical field of accurate control. A belt thickness detection module is additionally arranged on the basis of an existing grinding machine, and the actual thickness of a ground belt is obtained in real time; the deviation between the actual thickness and the standard thickness is compared through the main control unit, and the adjustment amount of the grinding space is calculated in combination with the mechanical characteristics of the grinding machine and the material parameters of the belt; and finally, the polishing assembly is driven by the executing mechanism to adjust the polishing space, closed-loop control of detection-calculation-adjustment is formed, and accurate and automatic control over the polishing process is achieved. That is to say, a closed-loop control system of thickness detection, data processing and space adjustment is constructed, automatic and accurate control over the belt grinding process is achieved, and the belt grinding quality and efficiency are improved.

The utility model belongs to the technical field of workpiece surface polishing, and discloses a special abrasive belt steering mechanism for an abrasive belt polishing machine. Comprising an abrasive belt steering mechanism, a connecting and supporting mechanism and an abrasive belt polishing machine. The connecting and supporting mechanism is fixed on a frame rod of the abrasive belt grinding machine; the abrasive belt steering mechanism is fixed through the connecting and supporting mechanism. An abrasive belt between a driving wheel and a driven wheel of the abrasive belt grinding machine steers through the abrasive belt steering mechanism; according to the abrasive belt steering mechanism special for the abrasive belt polishing machine, the angle of the abrasive belt working face is adjusted, the binding rate of the workpiece surface and the abrasive belt working face is greatly improved, the spiral surface is machined and polished on the abrasive belt polishing machine, the machining precision and the surface machining quality of the spiral surface are improved, and the machining efficiency is improved. And the processing efficiency is greatly improved.

The invention relates to a device having a pressure device (16) which is moved laterally on a belt grinder during continuous operation. The pressure device is positioned in such a way that the workpiece (11) detected by a detector (14) is ground in the longitudinal direction in a laterally delimited area. The arrangement of the pressure configuration provides, for example, a segmented grinding pad. The invention describes a method and the device provided therefor for the lateral movement of segments (13). The method and the device also enable the grinding or the application of a grinding pattern to the workpiece surface in the direction of the wood fibers of the frame's edging and / or the interior filler.

The invention relates to the technical field of tooth part grinding, in particular to a self-adaptive soft belt grinding machine for slewing bearing tooth part treatment, which comprises a base, a clamping assembly arranged at the top of the base and used for slewing bearing centering rotation, and a soft belt grinding assembly self-adaptive to the slewing bearing tooth part and used for grinding, the U-shaped seat is located on one side of the fixing frame, two sets of rotating rollers are rotationally connected to the fixing frame, a tensioning roller is rotationally connected to the U-shaped seat, and the rotating rollers and the tensioning roller are in transmission connection through an abrasive belt; through the combination of the I-shaped plate, the flowing steel balls in the mounting base and the flexible metal strip on the inner side of the abrasive belt, a profiling grinding surface attached to the tooth profile of the slewing bearing is formed in a self-adaptive mode, the pressure sensor is matched with the electric push rod to dynamically compensate the tension of the abrasive belt, and control over the grinding precision of the complex surface is achieved; and meanwhile, the grinding direction can be rapidly switched only through deflection, inner and outer ring tooth part grinding is flexibly matched, and the machining adaptability, precision and operation efficiency are comprehensively improved.