21277results about "Edge grinding machines" patented technology

The invention relates to the technical field of woodworking instruments and discloses a four-sided grinding machine, characterized in that it comprises a frame and a conveyor arranged thereon, a positioning guide mechanism, a left-side grinding mechanism, a right-side grinding mechanism, an upper wedge-strip grinding mechanism, an upper flat grinding mechanism, a lower wedge-strip grinding mechanism, a lower flat grinding mechanism and a chamfer grinding mechanism, wherein the left-side grinding mechanism comprises a left triangular belt grinding device, a left sponge wheel belt grinding device, a right triangular belt grinding device and a right sponge wheel belt grinding device, which are arranged on the other side of the conveyor.The left side grinding mechanism comprises a left triangular belt grinding device and a left sponge wheel belt grinding device arranged on one side of the conveyor device, and the right side grinding mechanism comprises a right triangular belt grinding device and a right sponge wheel belt grinding device arranged on the other side of the conveyor device; the upper key grinding mechanism comprises a key grinding lifting and lowering mechanism, a box, a key pressure plate assembly, and an annular grinding belt assembly; the upper flat grinding mechanism comprises an upper flat grinding motor seat, an upper drive transverse sliding seat, and an upper flat grinding assembly, and the upper drive transverse sliding seat is connected to the upper flat grinding motor seat and the upper flat grinding motor seat.The upper drive transverse sliding seat is connected between the upper flat launching motor seat and the upper flat launching assembly. The present invention is characterized by high production efficiency, good stability, and good manufacturing quality.

An apparatus for polishing a butt weld includes a machine frame; a polishing mechanism, including a rotating arm, a supporting column rotatably mounted on the rotating arm, and a polishing roll rotatably mounted on the supporting column in a circumferential direction of the polishing roll; an angle limiting assembly, movably mounted on the rotating arm, the angle limiting assembly limiting an angle at which an outer side end of the supporting column swings upward; a roll driving part, mounted on the rotating arm. The roll driving part is in transmission connection with the polishing roll and drives the polishing roll to rotate on the supporting column in the circumferential direction of the polishing roll. An arm driving part is mounted on a fixed frame, the rotating arm being mounted on the arm driving part, and the arm driving part drives the rotating arm to rotate in a circumferential direction.

The invention relates to the technical field of building steel pipe welding machining, and discloses a steel pipe welding device suitable for constructional engineering, which comprises a mounting table, a mounting groove is formed in the mounting table, and two first bidirectional threaded rods are rotatably connected in the mounting groove; according to the steel pipe welding device suitable for the constructional engineering, two steel pipes are placed in the mounting ring, then the steel pipes are clamped and fixed through a clamping mechanism in the mounting ring, and then the steel pipes are driven to move, so that the steel pipes are welded to the mounting ring, and the steel pipes are welded to the mounting ring. Then the steel pipe groove grinding mechanism is used for automatically grinding grooves of the two steel pipes, the welding mechanism is used for automatically welding the steel pipes after grinding is completed, and meanwhile, the welded weld joints are automatically ground, so that groove grinding and welding integrated full-automatic machining of the steel pipes of different sizes is achieved; and the welding efficiency and the welding effect of the steel pipe are greatly improved.

The invention discloses a polishing track regulation and control method and system for automatic polishing of hub burrs, and relates to the technical field of electronic engineering.The method comprises the steps that a hub is scanned through visual inspection, the material of the hub is analyzed, a three-dimensional model of the hub is captured, and all burrs are positioned; the burr characteristics are analyzed through a DBSCAN algorithm, and a corresponding polishing path is generated; the robot arm starts grinding according to the grinding path, and data in the grinding process are collected in real time; burr detection is continuously conducted on the surface of the hub through the visual sensor, after burrs are found, the robot triggers an alarm mechanism, the polishing path is adjusted according to the specific position of the burrs, and the hub is polished again till detection is qualified. According to the method, the industrial camera is started, comprehensive hub surface data collection is achieved, the optimal polishing path is generated, optimization of path selection is achieved, instant response and processing of abnormal conditions are achieved through an alarm mechanism and path adjustment, and closed-loop control and high-quality guarantee of the polishing process are achieved through repeated verification and adjustment.

Disclosed in the present utility model is a die-cast part machining and grinding device, comprising a machining table. Electric slide rails are mounted on two sides of the upper surface of the machining table; electric sliding blocks are slidably arranged on the electric slide rails; a mounting frame is connected to the top ends of the electric sliding blocks; and a transmission displacement assembly is mounted in the middle of the upper portion of the mounting frame. According to the die-cast part machining and grinding device, when a die-cast part on a bearing table is limited, personnel can first adjust the vertical displacement position of the mounting frame by means of the cooperation between the electric slide rails and the electric sliding blocks, then use the transmission displacement assembly to adjust the transverse displacement position of a grinding piece I so that the grinding piece I can be located above an area to be ground of the die-cast part, and then start a motor II, to make two transmission lead screws I to rotate synchronously by means of the transmission of synchronous wheels and synchronous belts. Since threads of the two transmission lead screws I have opposite preset directions, lead screw slide sleeves II acting with respective transmission lead screws I can move in opposite directions in a transmission state.

The invention relates to the technical field of plastic pipe cutting machines, in particular to a plastic pipe cutting machine capable of improving pipe stability, comprising a workbench, and a cutting mechanism, a polishing mechanism and a driving mechanism mounted on the workbench; before the cutting mechanism cuts the plastic pipe, the plastic pipe can penetrate through the position between the two fixing rings, a cutting point can be placed in the middle of the position between the two fixing rings, the distance between the two fixing rings is adjusted through the driving mechanism, and due to the fact that a gear is meshed with a rack, the cutting point can be adjusted. Therefore, simultaneous radial movement of the racks arranged on the fixing ring in a circumferential array mode is achieved, clamping of the plastic pipe is completed, stability during cutting is guaranteed, and the problems that during cutting, a cutting opening is expanded, the plastic pipe at the cutting end inclines due to the gravity of the plastic pipe, cutting accuracy is affected, resistance during rotating and cutting is increased, and cutting quality is improved are solved. Random rotation during cutting is avoided, the clamped plastic pipe can rotate in the radial direction along with rotation of the second magnetic ring, all-directional cutting is achieved, and accuracy is improved.

The invention discloses an automatic dovetail welding seam grinding control method based on robot visual positioning, and relates to the technical field of visual positioning. The method comprises the steps that after welding is completed, a dovetail welding seam image is collected and converted into a three-dimensional coordinate through a vision algorithm, and a three-dimensional point cloud is generated; smooth interpolation is performed on the three-dimensional point cloud through a B spline curve method to obtain a parameterized curve, and a control point set is optimized through a genetic algorithm to generate a global optimal polishing path; the polishing robot executes a task according to a path, a tail end sensor collects a real-time path and calculates a deviation value with a global path, and when the deviation value exceeds a preset threshold value, inverse kinematics is triggered to solve and correct the path; the hardness of the dovetail weld is measured through laser-induced breakdown spectroscopy, a comprehensive hardness value is obtained in combination with a matrix hardness database, meanwhile, a visual sensor collects the surface state, and polishing process parameters are dynamically adjusted according to the surface state; after the task is completed, the welding seam angle and flatness are detected. According to the method, the optimal path is generated through visual positioning, and automatic grinding of the dovetail welding seam is achieved.

The invention relates to the technical field of well lid machining, and particularly discloses an automatic grinding machine for a well lid, the automatic grinding machine comprises a supporting seat and a well lid body, a mounting frame is fixedly connected to the upper surface of the supporting seat, a motor is fixedly connected to the inner wall of the top of the mounting frame, and the output end of the motor penetrates through the mounting frame and is fixedly connected with a third gear; the top of the mounting frame is rotationally connected with a second gear, and the second gear and the third gear are meshed with each other; the well lid body can be stably clamped on the supporting base through the supporting block and the pressing disc, the lower surface of the well lid is tightly attached to the rolling wheel, when the motor drives the mounting base to rotate, the rolling wheel rolls to drive the grinding roller to rotate, the peripheral face of the well lid is ground, and during grinding, the grinding roller slides in the fixing plate to adapt to protrusions or burrs of different specifications; and the three groups of grinding rollers work in sequence, so that larger bulges and burrs can be quickly removed. In addition, the three sets of grinding rollers with different mesh numbers can meet the grinding requirement more quickly, and efficiency and quality are greatly improved.

The present invention discloses a rapid prototyping precision mold manufacturing welding device in the field of mold welding technology, aiming to solve the problems of low positioning efficiency, poor adaptability, reduced precision and unstable quality caused by the separation of welding and grinding in traditional mold manufacturing welding devices. The device includes a workbench, a quick fixing mechanism and a welding and grinding mechanism; a load-bearing frame and a controller are arranged on the top of the workbench; the quick fixing mechanism contains a control turntable, a clamping part, a control part and a driving part, through which the clamping part can be synchronously approached or moved away, adapting to molds of different sizes and improving positioning accuracy and efficiency; the welding and grinding mechanism integrates welding parts and grinding parts, which run synchronously and are located on the same horizontal plane, reducing transportation time and cost, avoiding secondary clamping errors, and improving welding and grinding quality. In addition, the device also has the advantages of stable load-bearing, smooth operation, convenient operation, and a high degree of automation, which can effectively improve the production efficiency and product quality of precision mold manufacturing.

The invention discloses an intelligent lamp pole welding device and method based on wind-solar hybrid street lamp production, and relates to the technical field of welding devices. By arranging the welding slag grinding and removing mechanism, the position of the lamp pole can be limited from multiple angles, it is guaranteed that the position of the lamp pole cannot shake, meanwhile, the position of a grinding wheel is limited, it is guaranteed that a flat and smooth plane can be formed in a grinding area, welding slag and burrs can be ground immediately after a welding seam is welded, and the welding quality is improved. Secondary cleaning of a welding seam is not needed; when the partition plate units in the multiple positions are subjected to acting force of the outer wall of the lamp pole, the partition plate units can adaptively ascend and descend according to the acting force of the opposite partition plate units in different positions of the arc-shaped face of the lamp pole, so that the bottom ends of the partition plate units jointly form an outline matched with the arc-shaped face of the lamp pole. Therefore, a relatively closed space can be formed in the polishing area of the lamp post, polishing dust is isolated in the closed space, and the situation of dust splashing is further avoided.

The invention relates to the technical field of automatic welding seam grinding, in particular to a welding seam grinding method, system and device based on laser vision stirring friction, and the method comprises the steps that a laser image of a welding seam is obtained, gray threshold segmentation is conducted on the laser image, and a laser stripe image is obtained; extracting sub-pixel feature points of the laser stripe image to obtain a laser stripe center line, and converting a two-dimensional point set of the laser stripe center line into a three-dimensional space to form a laser stripe three-dimensional point cloud; performing feature extraction on the laser stripe three-dimensional point cloud to obtain feature data of a flash area; and based on the feature data of the flash area, a polishing path is planned, and the flash area of the welding seam is polished and machined along the polishing path through a polishing tool. According to the invention, automatic identification and accurate polishing of the weld flash are realized, the polishing efficiency and quality are improved, and manual intervention is reduced.

The invention discloses a transmission type steel plate shearing and slitting device, and belongs to the technical field of steel plate shearing machining, a plurality of groups of shearing tools penetrate through a steel plate, the steel plate can be sheared and slit by the plurality of groups of shearing tools in the rightward conveying process, the sheared and slit steel plate is fed onto a grinding assembly, and a friction wheel is in contact with the cut surface of the steel plate; the friction wheel can grind and remove burrs on the cut surface of the steel plate, air holes in the splitting hollow shaft can suck air, particle impurities generated by grinding fall into a collecting box on the bottom plate, generated dust is adsorbed by the air holes, gas containing the dust is filtered by a filter box through a connecting pipe, and the splitting hollow shaft can continuously rotate. The steel supporting and guiding device has the advantages that steel can be supported and guided, steel plate feeding continuity is kept, burrs generated on the cut surface of the steel plate can be effectively removed, quantitative removal is achieved, the steel and human bodies are prevented from being scratched when the steel plate is rolled or used, and product quality is guaranteed.

The invention relates to the field of industrial automation, in particular to an industrial robot glass processing system based on large model intelligent decision, and relates to an industrial robot key technology based on multi-source information integration and intelligent decision. Glass cutting is optimized through multi-physics field monitoring, the edge defects are reduced by 70%, and the rejection rate is reduced by 50%. And the edge grinding of the special-shaped glass is assisted by three-dimensional reconstruction, and the precision deviation is controlled within 0.1 mm. And multi-modal data improves the coating uniformity, the thickness deviation is within 5 [mu] m, and the film layer shedding is reduced by 80%. Multi-robot cooperation is achieved through reinforcement learning, the machining efficiency is improved by 60%, and the cost is reduced by 40%. And a digital twinning optimization process is adopted, so that the equipment failure rate is reduced by 60%.

The invention discloses a polishing device and method for removing burrs at an outer port of a blind hole of a circuit board, and relates to the technical field of polishing burrs at an outer port of an inner blind hole of the circuit board, the polishing device comprises a guide column, a mounting seat and a lifting oil cylinder which are sequentially and fixedly arranged on a bottom plate from left to right, and a positioning groove is formed in the top surface of the mounting seat; two polishing mechanisms are arranged on the lifting plate, the polishing mechanism located on the left side comprises a center rod welded to the bottom surface of the lifting plate, a sleeve welded to the outer cylindrical surface of the center rod and a driven gear rotationally installed outside the sleeve, and a plugging head is fixedly arranged at the bottom of the center rod; the driven gear of the grinding mechanism on the left side is meshed with the driven gear of the grinding mechanism on the right side, and the driven gear of the grinding mechanism on the right side is further connected with a driving assembly. The grinding device has the beneficial effects that the grinding quality is greatly improved, and the grinding efficiency is greatly improved.

The utility model discloses a numerical control blade compact deburring system, and belongs to the field of cutter machining. Comprising a rack, a material disc, a visual identification assembly, a brush assembly, a blowing assembly, a defective product recovery assembly, a weighing assembly, a disc moving assembly, a material bin and a material moving assembly, wherein the visual identification assembly, the brush assembly, the blowing assembly, the defective product recovery assembly, the weighing assembly and the material moving assembly are arranged on the rack; the material moving assembly is used for grabbing numerical control blade pressed blanks and moving the numerical control blade pressed blanks to the brush assembly, the blowing assembly, the defective product recovery assembly and the weighing assembly; the brush assembly is provided with two adjustable brush parts which are oppositely arranged, the blowing assembly is provided with a plurality of first blowing parts and second blowing parts which are oppositely arranged, the weighing assembly is located between the defective product recycling assembly and the tray moving assembly, the blowing assembly is located between the brush assembly and the defective product recycling assembly, and the visual recognition assembly is located above the tray moving assembly. Through the arrangement of the brush assembly and the air blowing assembly, the deburring and cleaning efficiency is improved, and the qualification detection accuracy is improved.

The utility model discloses deburring equipment after injection molding of an air conditioner shell, which comprises a workbench, the top of the workbench is fixedly connected with a support, the support is provided with a U-shaped plate, and the front surface of the inner wall of the U-shaped plate is rotatably connected with two transmission rollers. The ion fan is started, under the cooperation of the dust collecting box, the hose, the air suction box and the multiple dust suction nozzles, burrs and chippings removed through polishing can be sucked and collected in the dust collecting box, the situation that the burrs and chippings splash everywhere to pollute the working environment is avoided, and meanwhile under the cooperation of the connecting pipe, the air blowing box and the multiple air blowing nozzles, the working environment is protected. According to the air conditioner shell polishing device, ion wind blowing and static electricity removing treatment can be conducted on the top of a polishing belt, burrs and chippings attached to the polishing belt are blown into a collecting frame to be collected, the polishing belt is cleaned, the situation that the polishing belt adsorbing impurities continuously rubs with an air conditioner shell, and consequently scratches are generated on the polished air conditioner shell is avoided, and the polishing efficiency is improved. And therefore, the attractiveness of the air conditioner shell after being polished and deburred is guaranteed.

The invention discloses automatic welding equipment for a circular seam of an oil cylinder of a hydraulic turnover mechanism, and relates to the technical field of welding. Through joint cooperation of the burr removing assembly and the multiple profiling lifting assemblies, simulation profiling can be conducted on the outline of the oil cylinder barrel section before the oil cylinder barrel section is supported, so that the top of the burr removing assembly and the top of part of the profiling lifting assemblies jointly form the outline shape matched with the oil cylinder barrel section; according to the lifting device, the lifting assembly can annularly wrap a part of the area below the oil cylinder barrel section, a stable lifting and supporting effect is achieved, when the lifting assembly supports the bottom of the oil cylinder barrel section, the lifting assembly can be matched with the multiple profiling lifting assemblies on the two sides to jointly form simulated supporting on the oil cylinder barrel section, and the lifting effect is greatly improved while the oil cylinder barrel section is lifted and supported. And the welded circular seam position can be polished by using the grinding wheel rotating at a high speed, metal burrs and welding slag generated by welding are removed, tip stress concentration is avoided, and the connection strength of the welding seam position is ensured.

The invention relates to the technical field of pipe welding, and discloses special welding equipment for an inner pipe connection type heat insulation oil casing, which comprises a welding table, a pipeline clamping mechanism is arranged at the top of the welding table, and the pipeline clamping mechanism comprises two rotating rings. During oil pipe machining, two oil pipes penetrate through the fixing rings to be connected, the electric telescopic rods drive the V-shaped clamping plates to clamp the oil pipes, and the driving motors enable the supporting rollers to support the oil pipes through the gears and the lead screws. The adjusting motor is matched with a related structure, so that the grinding wheel and the arc-shaped grinding piece are attached to oil pipes with different diameters. The grinding motor and the rotating motor work cooperatively to comprehensively grind the oil pipe, during welding, the oil pipe rotates at a constant speed to achieve uniform welding, and after welding, the grinding wheel and the arc-shaped grinding piece clean weld joints. In addition, in the polishing process of the equipment, a cleaning brush is driven to clean a polishing part through transmission of a gear and a chain, the polishing and welding quality is guaranteed, and the machining efficiency is improved.

The utility model discloses an aviation aluminum alloy pipe type casting polishing device which comprises a base, two sets of supporting seats are arranged on the base, two sets of first electric push rods are symmetrically arranged on the two sets of supporting seats through supporting grooves, supporting roller sets are arranged at the output ends of the first electric push rods, and a second electric push rod is arranged above the base through a mounting frame. A driving roller set is arranged at the bottom end of the second electric push rod, an external grinding block is arranged on one side of the middle of the supporting base and the driving roller set, a movable driving structure is arranged in cooperation with the external grinding block, and a mounting base is arranged on one side of the base through a third electric push rod. A first motor, a fourth electric push rod and an internal grinding roller which are sequentially connected are arranged on the mounting base, flexible supporting and rotating driving of the aviation aluminum alloy pipe type casting during grinding can be achieved, meanwhile, synchronous grinding of the interior and the outer wall of the aviation aluminum alloy pipe type casting can be achieved synchronously, and the machining efficiency is improved.

The invention relates to the field of aluminum material shearing, in particular to aluminum material shearing equipment for aluminum material display rack machining. Comprising a workbench, cutting equipment, a driving assembly, an electromagnet, a magnetic piece, a push rod I, a rotating block I, a supporting rod, a telescopic rod, a supporting block and the like. The workbench is fixedly connected with a driving assembly; the driving assembly is connected with cutting equipment; the driving assembly is connected with an electromagnet; the electromagnet is magnetically connected with a magnetic sheet; the magnetic sheet is fixedly connected with a supporting rod, and the supporting rod is connected with a rotating block I; the rotating block I is rotationally connected with a telescopic rod; the telescopic rod is connected with a supporting block. The supporting blocks are used for supporting the interiors of the aluminum strips, so that the cut positions of the aluminum strips cannot be bent and deformed inwards, and the problems that when the aluminum strips are cut, the cut positions of the aluminum strips can be bent and deformed towards the interiors of the aluminum strips, the aluminum strips cannot be completely attached during follow-up welding, the welding strength is low, and the welding difficulty is increased are solved.

The invention relates to the technical field of visual inspection, and discloses a workpiece surface defect detection device based on visual sensing, which comprises a detection assembly, a cleaning assembly mounted on the detection assembly, a purging assembly mounted on the cleaning assembly, and a deburring assembly arranged on the cleaning assembly, the cleaning assembly comprises a sliding plate, a brush is fixedly connected to the upper surface of the sliding plate, a moving part is fixedly connected to the lower bottom face of the sliding plate, a fixing plate is arranged on one side of the sliding plate, and a spring is elastically connected between the sliding plate and the fixing plate. The blowing assembly comprises an air bag, the output end of the air bag is in threaded connection with two sets of air pipes, one set of air pipes communicate with the blowing frame, the sliding plate and the moving part are driven to move through the conveying belt, the moving part can conduct reset operation under operation of the spring, and therefore the detection camera lens is cleaned.

The invention belongs to the technical field of welding clamping mechanisms, and particularly relates to a seamless steel pipe welding device for mechanical equipment machining, which comprises a machining platform, a sliding seat is slidably mounted on the machining platform, a supporting plate is arranged above the sliding seat, a lifting plate is arranged on the side wall of the supporting plate, and a sand plate slidably sleeves the lifting plate. A welding gun is further arranged on the machining platform. Two clamping mechanisms are arranged on the machining platform and used for clamping and fixing a steel pipe. A vertical grinding mechanism is arranged on the supporting plate. By arranging the vertical grinding mechanism and the transverse grinding mechanism, burrs on a steel pipe can be ground and removed in the horizontal direction and the vertical direction at the same time, and the seamless welding effect is improved; and by arranging the washing mechanism, water can be sucked in a reciprocating mode and sprayed to the sand plate, so that the burr removing work is smoother, and the ground burrs can be washed away.

The invention discloses an actuator shell machining tool, and belongs to the technical field of actuator machining. The actuator shell machining tool comprises a workbench, a shell is fixedly connected to the upper end face of the workbench, a rotating frame is rotationally arranged on one side of the left end face of an inner cavity of the shell, and a rotating disc is fixedly connected to the right end of the rotating frame; the lifting plate is further provided with an adjustable elastic surrounding mechanism used for intercepting chippings generated in the grinding process. By means of the adjustable elastic surrounding mechanism, a burr area can be surrounded by elastic cloth before grinding work, chippings generated in the grinding process can be blocked by the elastic cloth, and therefore the situation that the chippings splash out of the burr area is avoided, cleanliness of the working environment is guaranteed, and in addition, the chippings are prevented from splashing out of the burr area. And as the chippings are only concentrated in the burr area, the difficulty of subsequently cleaning the chippings on the surface of the actuator shell is also reduced.

An offline programming method for a full-six-axis CNC rough machining and polishing device. The method comprises: importing a three-dimensional model of a product into CAM software, interactively setting information of a workpiece coordinate system and a tool coordinate system of the three-dimensional model, selecting a route on which an operation is required, and generating path data; importing the three-dimensional model and the path data into offline programming software, and performing simplification processing on the path data; implementing an overall offset function, a single-point offset function and posture adjustment of the path data in the tool coordinate system; implementing simulation running of a tool and collision detection; on the basis of the path data and tool data, generating an NC program conforming to a program standard; and a six-axis device creating the workpiece coordinate system on the product; and monitoring a running state. Therefore, problems such as the polishing programming efficiency of products of complex structures being low, the follow-up reading, modifying and positioning being time-consuming due to the fact that CAM software exports excessive path data, and there being a certain difference between a model generation path and an actual device running path are solved.

The invention provides a cable protection pipe butt welding device, and relates to the technical field of welding, the cable protection pipe butt welding device comprises a welding table, two butt joint tables are arranged at the top end of the welding table, two fixing seats are fixedly mounted at the top ends of the butt joint tables, and a fixing assembly for fixing a cable protection pipe is arranged between the two fixing seats; a grinding assembly used for grinding the cable protection pipe is arranged in the middle of the welding table, the fixing assembly comprises two supporting frames fixedly connected to the top end of the butt joint table, an annular rack is rotationally connected between the two supporting frames, and a clamping assembly used for fixing the cable protection pipe is arranged on the inner wall of the annular rack. Annular guide rails are fixedly connected to the two sides of the outer surface of the annular rack, the cable protection pipe is fixed to an inner cavity of the annular rack through the clamping assembly, the cable protection pipe can rotate according to changes of the welding position through the annular rack, the flatness of the welding position is guaranteed through the grinding assembly, and the welding efficiency and quality of the device are effectively improved.

The invention relates to the technical field of injection molds, in particular to a battery jar injection mold and an edge waste treatment and recovery device thereof.The battery jar injection mold comprises a fixed mold and a movable mold, an assembly base is arranged at the lower end of the fixed mold, a demolding block is arranged on one side of the movable mold in a protruding mode, a sinking groove is formed in the fixed mold, and an injection hole is formed in the end, away from the fixed mold, of the sinking groove; outer side clamping strips are uniformly distributed on the periphery of the side wall of the sinking groove and are used for reducing the friction force generated when the injection molding part is demolded from the outside; an ejector plate is installed in the movable mold, an ejector pin rod is arranged on the ejector plate, a hinge seat is installed on the movable mold, a set of pressing arms are rotationally installed on the hinge seat, and inner side clamping strips are evenly distributed on the periphery of the side wall of the demolding block and used for reducing friction force generated when an injection molding part is demolded from the interior; the mold can reduce the contact area between the inner side and the outer side of an injection molding part and the mold during demolding, the effect of reducing stress concentration and friction is achieved, and the possibility that the mold is clamped by the molded part is reduced; according to the edge waste treatment and recovery device, burrs on the edges of injection molding parts can be ground and recovered in time.

The invention relates to the technical field of iron core stamping, in particular to automobile motor iron core stamping forming equipment. Comprising a lower die base, and a supporting column is fixedly installed at the upper end of the lower die base; through the arrangement of the grinding groove, when a silicon steel strip passes through the grinding groove to reach a third station and a fourth station, polishing cloth in the grinding groove can grind and fall off burrs on the lower end face of the silicon steel strip, and therefore the situation that the burrs at the lower end of the silicon steel strip are brought into the third station and the fourth station is avoided; the burrs are prevented from falling on the surfaces of the rotor punching sheets and the stator punching sheets in the third station and the fourth station, on one hand, stress concentration of the positions where the burrs are located in the laminating and riveting process is prevented, the rotor punching sheets and the stator punching sheets are prevented from being mechanically damaged, and the laminating and riveting quality of the punched rotor punching sheets and the punched stator punching sheets is improved; and on the other hand, burrs are prevented from falling into the riveting grooves, so that the riveting points of the adjacent rotor punching sheets or stator punching sheets can be effectively inserted into the riveting grooves, and the riveting strength of the rotor punching sheets or stator punching sheets is improved.

The invention discloses grinding equipment and a grinding method for nitrogen spring machining, and relates to the technical field of nitrogen spring machining. The grinding equipment for nitrogen spring machining comprises an inner frame body, an outer frame body, an outer grinding device arranged on the axial side of the outer frame body, an inner grinding device arranged on the side, close to the outer grinding device, of the outer frame body, and a moving device used for driving the inner frame body, the outer frame body, the outer grinding device and the inner grinding device to move. The outer grinding device comprises outer grinding blocks, the outer grinding blocks are arranged in an annular array in the circumferential direction of the inner frame body, and the inner grinding device comprises inner grinding blocks. The multiple outer grinding blocks and the multiple inner grinding blocks can be fused on the same device, reciprocating rough grinding, fine grinding and polishing can be sequentially conducted according to grinding parts and requirements, the use effect is good, the device is suitable for grinding of cylinder bodies or plunger rods with different radiuses, the device adaptability is high, the inner grinding blocks can be conveniently detached, replaced or maintained, the structure is simple, and the practicability is high. The operation is convenient.

The invention relates to the technical field of grinding equipment, in particular to flame-retardant cable protection pipe production and processing equipment and method.The flame-retardant cable protection pipe production and processing equipment comprises a support, a guide rod is fixedly assembled on the upper surface of the support, a sliding frame is slidably connected to the outer circumferential face of the guide rod, and a transmission shaft is rotatably connected into the sliding frame; a driving motor is fixedly assembled on the surface of the sliding frame, the output end of the driving motor is fixedly connected with a transmission shaft, a mounting ring is fixedly assembled on the outer circumferential surface of the transmission shaft, a grinding head is detachably mounted on the outer circumferential surface of the mounting ring, and a servo motor is fixedly assembled on the upper surface of the support; a lead screw is fixedly assembled at the output end of the servo motor. According to the device, the purging structure is arranged, when the inner wall of the flame-retardant cable protection pipe is polished, air exhausted by the spraying pipe can drive chippings to move, the chippings are discharged out of the protection pipe in time, and therefore the follow-up polishing effect of the polishing head on the protection pipe is guaranteed.

The invention discloses a bridge welding quality detection device with an intelligent feedback function, and relates to the technical field of quality detection.The detection device comprises a driving mechanism, a welding quality detection mechanism and a feedback mechanism, the driving mechanism is connected with the welding quality detection mechanism, and the driving mechanism is connected with the feedback mechanism; the welding quality detection mechanism is connected with the feedback mechanism, the welding quality detection mechanism is used for detecting the welding position of a bridge, the feedback mechanism is used for polishing or repair welding of defects of the welding position of the bridge, the driving mechanism comprises a main driving device, and the main driving device comprises a driving roller, a first driving motor, a driving baffle, a lifting hydraulic cylinder and a driving lifting plate. The number of the driving rollers is four, and the output end of the first driving motor is fixedly connected with one driving roller.