199 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 provides a cover plate glass edge grinding device, and belongs to the technical field of grinding, the cover plate glass edge grinding device specifically comprises a top plate, a plurality of abrasive belt grinding mechanisms are correspondingly arranged at the bottom of the top plate, the abrasive belt grinding mechanism located in the middle is correspondingly installed in the middle of the bottom end of the top plate, and the abrasive belt grinding mechanisms located on the two sides can be transversely adjusted and moved; workpiece assembling mechanisms capable of transversely and elastically moving are correspondingly installed between the adjacent abrasive belt grinding mechanisms, and the abrasive belt grinding mechanisms are used for conducting edge grinding treatment on the cover plate glass on the workpiece assembling mechanisms. A short shaft driven to rotate is correspondingly installed at the top of the top plate, variable-pitch shafts are installed at the two ends of the short shaft in a transmission mode, and a plurality of moving seats are installed on the variable-pitch shafts in a matched mode and connected with abrasive belt grinding mechanisms located on the two sides of the bottom of the top plate correspondingly. The cover plate glass edge grinding device can grind cover plate glass with different sizes, widths and thicknesses at the same time, is flexible and convenient to use, high in working efficiency and high in practicability, and can better meet the edge grinding machining requirements of batch workpieces.

The utility model relates to the technical field of grinding equipment, and provides an integrated belt sanding machine, including a base and a frame arranged on the base, a belt sanding assembly, a workpiece grabbing mechanism, a transmission mechanism and an electric control box; the belt sanding assembly is provided with four, and two are symmetrically arranged on both sides of the frame, and each belt sanding assembly has a sanding belt of different specifications to provide different grinding coarseness and fineness; the workpiece grabbing mechanism is arranged on the base to clamp the workpiece to any belt sanding assembly for grinding; the transmission mechanism includes two transmission units to transport the workpiece close to or away from the workpiece grabbing mechanism; the electric control box is arranged at the bottom of the transmission mechanism, and controls each process in the workpiece grinding process. The utility model adopts an integrated design, and the various components of the belt sanding machine are compactly and reasonably arranged according to the grinding process, and connected with other processing procedures of the assembly line, thereby improving the processing efficiency of the workpiece and saving storage space in the production workshop.

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 belongs to the technical field of grinding equipment, and discloses light roof panel steel framework forming and grinding equipment and a method thereof.The light roof panel steel framework forming and grinding equipment comprises a shell frame, and an inverted-T-shaped workpiece table is fixedly installed at the position, close to the middle of the shell frame, of the front side face of the shell frame; double-position abrasive belt grinding assemblies are arranged on the positions, located on the two sides of the inverted-T-shaped workpiece table, of the shell frame, Z-axis lifting units which are vertically arranged are installed on the left side and the right side of the interior of the shell frame correspondingly, lower connecting beams are fixedly installed at the top ends of the telescopic ends of the two Z-axis lifting units, and rolling type workpiece conveying mechanisms are installed on the back faces of the lower connecting beams. A lifting type upper grinding assembly is arranged at the position, located above the lower connecting beam, of the shell frame, a lower polishing assembly is installed in the shell frame, and a progressive moving assembly used for pulling the square opening steel framework below the lifting type upper grinding assembly and moving in the Y-axis direction is installed on the back face of the shell frame. The grinding and polishing device can synchronously grind and polish a plurality of side faces of the steel framework.

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 present invention discloses a surface grinding processing equipment for a copper-steel composite metal strip, which relates to the technical field of metal strip grinding, and comprises a frame, wherein an A-side processing box is installed at the lower left end of the frame, and a B-side processing box is installed at the upper left end of the frame, and a debris processing box is installed at the upper right end of the frame, and the upper ends of the A-side processing box and the B-side processing box are both provided with grinding components, the grinding components comprise a displacement module, and a grinding mechanism is installed at the output end of the displacement module, and a fixing component for fixing the copper-steel composite metal strip is installed at the side of the grinding mechanism; a partition is fixed inside the debris processing box, and a cleaning component and a drying component are installed on the left and right sides of the partition, respectively. The surface grinding processing equipment for the copper-steel composite metal strip synchronously fixes the two sides of the metal strip during the grinding process to prevent the metal strip from being displaced during the grinding process, and the cleaning component and the drying component can be used for recycling after the grinding of both sides is completed.

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 relates to the technical field of grinding processing equipment, and in particular to an automatic sand belt changing device for grinding; it comprises a sand changing mechanism, a rotating mechanism and a rotating frame installed on the rotating mechanism, wherein a plurality of sand changing mechanisms are provided and are all installed on the rotating frame, the rotating mechanism comprises a rotating seat, a rotating shaft installed in the middle of the rotating seat, and a driving motor linked with the lower end of the rotating shaft, and the lower end of the middle of the rotating frame is fixedly connected with the upper end of the rotating shaft; after the utility model improves the prior art, a plurality of sand belts can be placed at the same time by installing a plurality of sand changing mechanisms on the rotating frame, thereby reducing the frequency of manual operation, thereby improving the working efficiency of the operator, and the operator places the sand belt away from the side of the sand belt machine, and the safety factor is high.

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 utility model discloses an adjustable abrasive belt grinding device, and relates to the technical field of mechanical polishing equipment, a moving mechanism is used for driving an abrasive belt grinding mechanism to move horizontally, a lifting mechanism is used for driving the abrasive belt grinding mechanism to ascend and descend so as to adapt to the specification of a ground object, and a rotating structure is arranged to adjust the inclination angle of an abrasive belt in the grinding process. The curvature change of a polished object is adapted, rotation and axial displacement of the polished object are not relied on purely any more, and the situation of unbalanced polishing is reduced.

The utility model relates to an open conveying type narrow abrasive belt grinding machine tool for double-sided bidirectional grinding of a welding spot, which comprises a rack, and an upper triangular narrow abrasive belt grinding machine head and a lower triangular narrow abrasive belt grinding machine head are respectively arranged on the upper portion of the rack and opposite to each other. A conveying platform is arranged on one side between the upper triangular narrow abrasive belt grinding machine head and the lower triangular narrow abrasive belt grinding machine head, and the upper triangular narrow abrasive belt grinding machine head and the lower triangular narrow abrasive belt grinding machine head are driven by a driving motor through a transmission mechanism. The method has the advantages that operation is easy, efficiency is high, and the welding spot grinding efficiency can be greatly improved; secondly, the device is suitable for welding spot grinding of various materials and has higher universality; thirdly, the open type conveying mode is particularly suitable for welding spot grinding of closed circular ring type welding workpieces; and fourthly, the grinding surface precision is high, and the machining requirements of high-quality machined parts can be met.

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 belongs to the technical field of wood and bamboo abrasive belt grinding, and discloses an abrasive belt service life evaluation method and system for wood and bamboo mechanical grinding, an abrasive belt sample belt is controlled to grind a wood and bamboo workpiece according to specified grinding parameters, and at least one group of surface roughness parameters of the abrasive belt sample belt are obtained; and determining at least one grinding power slope based on the motor power of the driving roller at at least two acquisition moments and the idle power of the driving roller, so as to comprehensively evaluate the extended meter number of the abrasive belt sample belt under the specified grinding parameters by adopting double indexes of the grinding power and the abrasive belt surface roughness parameter. The method is suitable for judging the conditions of uniform abrasion and severe abrasion of the abrasive belt, the whole measurement process is simple and convenient, the accuracy of the service life evaluation result of the abrasive belt is guaranteed, waste caused by unreasonable abrasive belt model selection can be effectively avoided, powerful support is provided for grinding process optimization and cost control in actual production, and important significance is brought to industry development.

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.

The present invention relates to a railway line maintenance and repair device, in particular to a small rail weld grinding machine. A small rail weld grinding machine includes a sand belt grinding machine, a front swing arm, an upper swing arm, and a rail clamping mechanism. One end of the upper swing arm is hinged to the rail clamping mechanism, and the other end is hinged to the front swing arm. One end of the front swing arm is hinged to the upper swing arm, and the other end is connected to the sand belt grinding machine. The rail clamping mechanism includes a reversing seat, a sliding seat, and a rail clamp. One end of the upper swing arm is hinged to the reversing seat through a horizontal pin shaft and the angular position is locked by an upper swing arm knob plunger. The reversing seat and the sliding seat are hinged through a vertical steering pin and the angular position is locked by a reversing knob plunger. The present invention is very convenient when changing the direction to grind the other side of the rail after grinding one side of the rail, and can grind the weld chamfer.

The invention relates to a numerical control steel belt mirror polishing special device which mainly comprises an integral machine base, an annular steel belt driving wheel and tensioning wheel, an annular steel belt driving mechanism, a numerical control steel belt deviation corrector, a steel belt grinding head (a set of abrasive belt grinding heads and a set of grinding wheel grinding heads), a grinding head floating mechanism and a grinding head lifting mechanism. The device is composed of a grinding head left-right feeding mechanism (in the width direction of a workpiece), a workpiece clamping mechanism, a workpiece rotating mechanism, a steel belt riding wheel mechanism, a steel belt riding wheel lifting mechanism, a pneumatic system and a numerical control electrical control and operation system. The device is mainly used for grinding and polishing circumferential welds, longitudinal welds and surface oxide layers on the inner and outer surfaces of various annular steel belts with the width W smaller than 2.2 m and the length L32 m, and abrasive belts (or grinding wheels) with different mesh numbers can be adopted for grinding and mirror polishing according to the machining purpose. The method has the characteristics of low power consumption, environmental protection, no pollution, high production efficiency, simplicity in operation, environmental friendliness and the like.

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 utility model discloses a stainless steel plate edge polishing device which comprises a machine table, a base, an abrasive belt polishing assembly and a steel plate clamp assembly, the base is fixed on the machine table through bolts, and the abrasive belt polishing assembly and the steel plate clamp assembly are arranged on the base. The abrasive belt grinding assembly comprises a motor, a mounting plate, a power roller, a transmission roller A, a transmission roller B, an abrasive belt and a supporting arm, the mounting plate is fixedly connected to the base, the motor is mounted on the rear side of the mounting plate, the power roller and the transmission roller A are mounted on the front side of the mounting plate, the power roller is connected with the shaft end of the motor, and the transmission roller A is fixed through a tensioning device; the support arm is mounted at the front end of the mounting plate, a driving roller B is mounted on the support arm, and the driving roller B is linked with the power roller and the driving roller A through an abrasive belt; the steel plate clamp assembly is installed on the lower side of the base through an adjusting support. Mechanical polishing equipment is adopted, the polishing efficiency is high, and meanwhile the finished product quality of workpieces is improved.

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.