998results about How to "Fast processing" patented technology

The utility model relates to a bag opening machine. A sewing device, a laser cutting device, a bag opening forming device and an accessory bearing device are arranged on a working table. The bag opening forming device comprises a folding mechanism and a material fixing mechanism, the folding mechanism is arranged above the material fixing mechanism, and the bag opening forming device can move on the working table; according to the pocket opening sewing processing technology, pocket opening cloth pieces are positioned on a pocket opening forming device, and the steps of cutting, folding, accessory installing, sewing, discharging and the like are sequentially carried out. The folding mechanism and the material fixing mechanism are integrated into a whole, and compared with the prior art, accessories such as bag eyebrows, bag cloth or zippers are not prone to deviation and displacement in the machining process, and the product quality stability is higher.

The utility model relates to the technical field of production equipment of wire or cable overhead installation devices, and particularly discloses an automatic assembly system for a spacer wire clamp. A base in the assembly system comprises a plurality of bearing seats, and the bearing seats are connected with a bearing seat through displacement suites. The displacement suite comprises a driving device and a displacement control device for controlling the displacement amount of the object bearing seat. And the object bearing seat is provided with a limiting external member for fixing the spacer wire clamp. An automatic pin pressing device, an automatic welding device and an automatic polishing device are sequentially arranged along the moving path of the object bearing seat, and the automatic devices and the displacement suite are all connected with a master control device. Parameters such as displacement distance of the object bearing seat and the like are accurately controlled, so that the spacer wire clamp placed on the object bearing seat can be quickly and accurately moved into a processing area of each automatic device, and the processing accuracy of the spacer wire clamp is improved; and meanwhile, it is guaranteed that all the steps are tightly connected, and the machining speed of the spacer wire clamp is increased.

The invention discloses an efficient disposable spiral suspension type cutter shaft with a coarse-fine combined structure, and relates to the field of planer tool shafts. The milling cutter comprises a cylindrical cutter body, a shaft head and a shaft rod are coaxially arranged at the two ends of the cylindrical cutter body, the cylindrical cutter body, the shaft head and the shaft rod are integrally formed, rough milling cutter rows and finish milling cutter rows are arranged on the outer side face of the cylindrical cutter body and distributed at intervals, and the rough milling cutter rows and the finish milling cutter rows are arranged on the outer side face of the cylindrical cutter body. And the rough milling cutter row and the fine milling cutter row are spirally distributed on the outer side surface of the cylindrical cutter body. The rough milling cutter rows and the finish milling cutter rows are arranged on the outer side face of the cylindrical cutter body to be matched to achieve synchronous segmented cutting and finish cutting, and the rough milling cutter rows and the finish milling cutter rows are distributed on the outer side face of the cylindrical cutter body in a spiral mode. It is guaranteed that the rough milling cutter row and the finish milling cutter are better driven to machine wood in the rotating operation process of the cylindrical cutter body, and rough cutter sets distributed at intervals are adopted by the rough milling cutter row to conduct rapid segmented machining.

The utility model discloses a lithium battery cap connecting piece punching forming die which comprises an installation base, a right die assembly is installed at one end of the upper surface of the installation base through three supports, a waste ejection piece is arranged on the right die assembly, and two sliding rails are arranged on the upper surface of the installation base. The two sliding rails are both provided with sliding seats in sliding connection, a left mold assembly is fixed between the upper ends of the two sliding seats, the left mold assembly is provided with a workpiece ejection piece for ejecting a workpiece inside the left mold assembly, and a supporting plate is arranged at the left end of the mounting base. The supporting plate is provided with the three stamping air cylinders for driving the left die assembly and the sliding seat to slide along the sliding rail, and the supporting plate is provided with the two jacking columns for jacking the workpiece jacking pieces, so that the workpieces are machined more quickly, a plurality of workpieces can be machined each time, the workpieces are demolded and collected, and the machining efficiency is improved. And small punched waste materials can be collected and guided out, and use is more convenient.

The invention relates to the technical field of throttle valve machining, and discloses a throttle valve inclined hole machining device which comprises a workbench, a motor is fixedly connected to the left side of the workbench, a storage frame is rotatably connected to the bottom of the workbench, an inner rod is rotatably connected to the inner wall of the workbench, and a rotating mechanism is arranged at the top of the workbench. And an auxiliary mechanism is arranged at the bottom of the workbench, and the rotating mechanism comprises a reciprocating lead screw, a bottom sliding block, a round rotating rod, an auxiliary rotating block and an arc-shaped frame, so that an inclined hole for installing a throttling valve can be rapidly machined, and in order to meet the requirement of multi-angle machining, under the action of arc-shaped teeth and moving wheels, the machining efficiency is improved. And in the angle adjusting process, the whole machining equipment can be rotated under the action of a round rotating rod and an auxiliary rotating block.

The invention discloses a multifunctional gear machining numerical control machine tool, and relates to the technical field of gear machining. The machine tool comprises a machine tool body, a workbench is arranged on one side of the machine tool body, and a fixing assembly is arranged in the workbench; the fixing assembly comprises a fixing cylinder arranged in the workbench, the fixing cylinder can rotate in the workbench, a fixing disc is fixedly installed on the surface of the fixing cylinder, an inner gear and an outer gear can be machined, meanwhile, the gear needing to be machined into the inner gear only needs to be placed between clamping plates, the inner gear and the outer gear can be clamped, and the machining efficiency is improved. After machining is completed, metal filings generated by machining can be poured out in the overturning process while the gear is taken down, meanwhile, machining of an outer gear and an inner gear can be rapidly conducted, the applicability and the machining efficiency of a machine tool are improved, and meanwhile, due to the metal filings generated by machining, the machining efficiency is improved. Workers do not need to manually clean the surface of the floor by using a brush and the like, so that the labor burden of the workers is reduced.

The servo automatic sawing and milling equipment comprises a rack; a clamping and fixing mechanism is fixedly mounted on the rack; the three clamping and fixing mechanisms are located at the two ends and the middle of the rack correspondingly. The clamping and fixing mechanism comprises a clamping and fixing frame; the two sides of the clamping fixing frame are each fixedly provided with a clamping push cylinder, and each clamping fixing frame is provided with a clamping block in a sliding mode. The output ends of the two clamping push cylinders are fixedly connected with the corresponding clamping blocks correspondingly. The two ends of the rack are each fixedly provided with a two-axis servo moving mechanism, and the output end of each two-axis servo moving mechanism is fixedly provided with a milling cutter motor. A milling cutter is fixedly mounted on an output shaft of each milling cutter motor; according to the utility model, the processing speed is greatly increased, so that the output in unit time is higher; and the sawing function is achieved, sawing machining and milling cutter machining are integrated, and space is saved.

The invention provides a double-output air cylinder which comprises a cylinder body, a cylinder cover, a piston, a piston rod and a piston rod. A cavity is formed in the cylinder body, a partition plate is arranged in the cavity, and the partition plate divides the cavity into a front cavity and a rear cavity; the piston assembly comprises a first piston arranged in the front cavity in a sliding fit mode and a piston rod arranged on the head portion of the first piston, and the piston rod extends out of the cylinder body and serves as a first output end. The rotating assembly comprises a rotating assembly body arranged in the rear cavity, a driving shaft is arranged on the rotating assembly body, and the driving shaft penetrates through the partition plate, is in rigid connection with the first piston and can drive the piston rod to rotate in the radial direction. The double-output air cylinder is compact in structure, small in size, capable of adjusting the output shaft at any angle, high in adjusting precision, reliable and stable to use, particularly suitable for mechanical arms of non-standard equipment, and wide in application range, and has a self-locking effect.

The invention relates to the field of liquid cooling plate stamping equipment, in particular to liquid cooling plate stamping integrated forming equipment which comprises a supporting device used for supporting and guiding materials, and a forming device used for positioning and stamping is arranged in the middle of the upper end face of the supporting device. When a liquid cooling plate is circularly processed, the servo motor can synchronously drive the driving synchronous pulley and the transmission crankshaft to rotate, and the driving synchronous pulley can drive the feeding device to perform circular clip feeding on the liquid cooling plate in the discharging bin through the synchronous belt and the material guide device; meanwhile, the transmission crankshaft can synchronously drive the guide device and the stamping device to synchronously stamp the fed liquid-cooled plate through the three groups of regulation and control devices, and before the guide device and the stamping device stamp the liquid-cooled plate, the positioning device can synchronously limit and position the liquid-cooled plate under the guidance of the guide device, so that the stamping efficiency is improved. And the speed of processing the liquid cooling plate by the equipment is effectively increased, and meanwhile, the overall efficiency of shaping the liquid cooling plate by the punching equipment is also improved.

The invention provides a skin shape detection tool and a skin shape detection method. The skin shape detection tool comprises a basic platform, a skin supporting assembly, an external force applying mechanism and a skin shape detection mechanism. The skin supporting assembly comprises a plurality of skin supporting pieces which are separated from one another and detachably installed on the foundation platform, and each skin supporting piece is provided with a supporting face consistent with the theoretical appearance of a skin. The external force applying mechanism is used for pressing the skin on the skin supporting piece; the skin shape detection mechanism is used for acquiring molded surface deviation data of the skin, and the molded surface deviation data is a deviation value between the actual shape and the theoretical shape of the skin; due to the fact that the basic platform and the skin supporting assembly are arranged in a split mode, appearance detection of different types of skins can be met only by replacing different skin supporting assemblies, and economy and flexibility of skin appearance detection are improved.

The invention belongs to the technical field of honeycomb plate machining, and discloses a thin-wall metal honeycomb core machining method and device. The preparation process comprises the steps of metal sheet forming and corrugated board assembling. Firstly, a metal sheet is placed between forming dies, the section of each forming die is of a wave structure, and concave pit structures and convex structures are machined on the different sections of each forming die. And the forming upper die is driven to move downwards to bend the metal sheet, and two kinds of child-mother riveting structures with different sizes are machined on the to-be-connected face of the corrugated board through corresponding concave pits and convex structures on the surface of the forming die. Two corrugated boards are machined through a forming die, the primary and secondary riveting structures prefabricated on the to-be-connected faces of the corrugated boards can be sleeved with each other, the corrugated boards can be spliced and assembled, the assembled corrugated boards are connected and punched, the primary and secondary riveting structures which are sleeved with each other generate plastic deformation under the pressure effect, the neck thickness value is increased, and the primary and secondary riveting structures extrude each other; the two corrugated board materials are mutually embedded to form an interlocking structure, and the steps are repeated to complete manufacturing of the honeycomb core.

The invention discloses a spinning machine convenient to position, and belongs to the technical field of spinning forming, the spinning machine comprises a base table, a fixed seat is fixedly mounted on the left side of the base table, and a rotating shaft is rotatably mounted on the upper side of the fixed seat; a deformation mold is mounted at the right end of the rotating shaft; a movable supporting column is arranged on the right side of the base. A fastening assembly is installed at the left end of the movable supporting column. A spinning assembly is installed on the base and located on the rear side of the fixing base. A movable supporting assembly is arranged at the position, between the fixing base and the movable supporting column, of the base table, a synchronous driving assembly is installed on the movable supporting assembly, and a straightening assembly used for straightening the metal circular plate is installed on the synchronous driving assembly. A centering assembly for centering the metal circular plate is mounted on the movable supporting assembly and the synchronous driving assembly; and a pushing assembly is mounted on the fastening assembly. By means of the mode, in the process that the fastening assembly moves to press the metal circular plate, the metal circular plate is automatically positioned; automatic demolding and discharging are carried out through cooperation of the deformation mold and the fastening assembly.

The utility model relates to the technical field of automobile part machining, and discloses a positioning tool for automobile part machining, which comprises a working table, two clamping plates, two adjusting mechanisms and a transmission mechanism, the two clamping plates are respectively positioned on the left side and the right side of the top of the working table, and the two adjusting mechanisms are respectively positioned on the left side and the right side of the top of the working table. The two adjusting mechanisms are located on the left side and the right side of the workbench correspondingly, and the transmission mechanism is located at the bottom of the workbench. The adjusting mechanism is used for adjusting the position of the clamping plate; and the transmission mechanism is used for driving the adjusting mechanism to move. The automobile part machining device solves the problems that automobile parts need to be machined through different machining devices, but no assembly capable of limiting the automobile parts exists in the machining process of the automobile parts, and therefore the automobile parts are prone to being affected by external force to be dislocated; and therefore, the machining accuracy of the machining equipment on the automobile parts is reduced.

The present invention provides a metal sheet anti-bending laser cutting device, which belongs to the technical field of laser cutting devices, and comprises a frame, an outer cover is installed at the upper end of the frame, two groups of clamping modules are installed on both sides of the upper end of the outer cover in a mirror-like manner, an extraction module is installed between the two groups of the clamping modules, a mobile laser cutting module is installed on the inner side of the extraction module, a clean air module is installed on the side of the frame, a blowing module is installed between the clamping module and the clean air module, and an electric control cabinet is installed on one side of the outer cover. The present invention solves the problem that the existing laser cutting device first presses the side of the metal sheet on the device when completing the cutting, and then uses the cutting head to cut the metal sheet, which may cause the metal sheet to bend during the cutting process, thereby affecting the quality of the metal sheet, and at the same time, during the cutting, due to the action of the laser beam, the gas at the cutting location will be polluted, thereby affecting the surrounding working environment.

The invention discloses a method for preparing a micro-channel heat dissipation chip through combination of laser beam modulation and etching, and the method comprises the steps: controlling a laser light source assembly to output a laser beam, carrying out the phase modulation of the laser beam through a spatial light modulator, and outputting a plurality of laser beams forming a pattern, the plurality of laser beams are focused by the galvanometer field lens scanning system to form light spots to modify the substrate glass in a corresponding pattern array, wherein the modified pattern array is related to the micro-channel structure; and performing wet etching on the modified pattern array on the substrate glass to obtain the micro-channel heat dissipation chip. According to the method, a spatial light modulator is introduced, and modulated ultrashort pulse laser is used for performing high-efficiency induction on a glass substrate material, so that high-efficiency preparation of the micro-channel heat dissipation chip is realized.

The invention discloses a multi-channel radar lightweight human body behavior recognition method based on hard classification judgment, which is applied to the technical field of behavior recognition and aims at the problem of insufficient recognition performance of the existing human body behavior recognition method. The method comprises the following steps: firstly, collecting multi-channel human body behavior data acquired based on a millimeter wave radar, processing related radar original echo signals through an MTI technology, and then respectively carrying out STFT to obtain radar heat maps of dimensions such as a human body target distance dimension and a Doppler dimension; the obtained multi-channel radar heat map serves as a data set to be input into a plurality of independent MobileNetV3 lightweight network models for classification and recognition, then a multi-channel recognition result is judged through an algorithm based on hard classification judgment, multi-channel human body behavior information is fused, and a final human body behavior judgment label is obtained.

The utility model relates to the technical field of electric iron towers, in particular to an electric iron tower steel pipe machining and positioning device. According to the technical scheme, the device comprises an operation table, a first lifting mechanism, a clamping and positioning mechanism and a second lifting mechanism, the clamping and positioning mechanism comprises a mounting base, a conical telescopic rod, a motor, a driving wheel, clamping rods and a guide wheel, the conical telescopic rod is mounted in the mounting base through a sliding rail, and two sets of opposite clamping rods are mounted in the mounting base through rotating shafts; guide wheels are installed at the two ends of the clamping rod through shaft bolts. The movable conical telescopic rod moves downwards automatically under the pressure of a steel pipe, the downwards-moving conical telescopic rod extrudes the guide wheels at the bottom of the clamping rod through the inclined faces on the two sides, the clamping rod is turned over to clamp and position the two sides of the pipeline, the function of automatic clamping and positioning through the self weight of the pipeline is achieved, the pipeline clamping and positioning efficiency is improved, and the labor intensity of workers is lowered. And meanwhile, the clamping rods are designed to be turnable so as to adapt to steel pipes with different diameters.

The utility model discloses a lithium ion battery positive electrode material firing product crusher, which relates to the technical field of lithium ion battery electrode material treatment and comprises a crusher shell, a feeding device fixedly mounted at the top of the crusher shell, a multi-stage crushing device embedded in an inner cavity of the crusher shell, and a vibrating screen device, the secondary grinding device is arranged in an inner cavity of the vibration screening device, and the discharging device is arranged on one side of the crusher shell. According to the utility model, raw materials are crushed step by step through the multi-stage crushing device, so that the blockage of the device caused by overlarge feeding quantity is avoided, the crushing effect is good, and the standard-reaching rate of products is high; through the multi-stage crushing device and the vibrating screen device, repeated work doing on qualified raw materials is avoided, and the machining speed is increased while the mechanical efficiency is improved; and through the secondary grinding device and the discharging device, the quality is guaranteed, meanwhile, the discharging speed is increased, flying and attached powder in the device is sucked into a material collecting box along with products through an exhaust fan, waste is avoided, and meanwhile, cleanliness of an inner cavity of the device is guaranteed.

The invention discloses a double-end-ring bent edge retainer production process and a die. A stretching and bottom cutting integrated forming die is used for carrying out stretching and bottom cutting operation on a circular blank disc, so that the circular blank disc is deformed into a semi-finished product with an inverted bowl-shaped structure, the semi-finished product is transferred to a straightening and shaping die, an inner turned edge formed in the previous step is corrected, and the retainer with the double-end-ring bent edge is obtained. Vertical to the horizontal reference surface; meanwhile, the flanging is adjusted to be parallel to the horizontal plane; a trimming die is used for accurately adjusting the length of the outer flanging on the lower side; an upper port part of the bowl-shaped structure is preliminarily bent by the aid of a pre-flanging die to form a flanging with a certain preset angle, the preliminarily bent part is further bent by the aid of a flanging die until the preliminarily bent part is completely parallel to the horizontal plane to form a stable upper side outer flanging, and the retainer with the double-end ring bent edges is produced by the aid of a multi-step stamping process. And the production speed is high, a plurality of parts can be continuously and rapidly machined, and the time for waiting for cooling or curing is not needed.

The utility model belongs to the technical field of horizontal gear shaping machines, and particularly relates to a clamping device for a horizontal gear shaping machine, which comprises a fixed seat and a fixed part, an adjusting mechanism is arranged at the top end and the bottom end of the fixed seat, and a clamping mechanism is arranged at the top end of the fixed seat. According to the clamping device for the horizontal gear shaping machine, by arranging the adjusting mechanism, a fixed workpiece can be rotated in the direction, so that the workpiece can be rapidly machined, the machining speed of the device is increased, and the problems that in the background technology, the direction of the fixed workpiece is not prone to being adjusted, and the machining efficiency is high are solved. The problem that the machining speed of workpieces is prone to being influenced to a certain degree due to the fact that the clamping mechanism is arranged, the workpieces of different sizes can be clamped and fixed, the clamping efficiency is improved, a certain buffering function is achieved, the clamping stability is improved, and the machining production quality of the workpieces is improved.

The utility model relates to the technical field of automobile door machining equipment, in particular to an automobile door panel translation positioner which comprises a main track, and a workbench is connected to the top of the main track in a sliding mode. The auxiliary rails are installed on the two sides of the main rail, and clamping assemblies used for clamping the automobile door panel on the workbench are installed on the auxiliary rails; the clamping assembly comprises a conveying belt installed between the two sides of the auxiliary track, a clamping platform is arranged at the top of the conveying belt and placed on the conveying belt, the conveying belt drives the clamping platform to move, a plurality of clamps are fixedly connected to the top of the clamping platform, two transverse rollers are rotationally connected between the two sides of the auxiliary track, and the two transverse rollers are arranged on the clamping platform. And one side of the auxiliary track is fixedly connected with a transmission motor. The problems that when a clamp is installed on a workbench, machining of a door plate by welding and grinding equipment is hindered, time consumed for dismounting and moving away the clamp is much, and the machining speed of the door plate is reduced are solved.

The invention belongs to the technical field of laser surface modification, and discloses a laser in-situ alloying method and device for a speed skating ice skate blade pipe, a feeding device cooperates with a clamping device to complete clamping and positioning of various types of ice skate blade pipes, a laser device generates a heat source, nitrogen or carbon dioxide on the surface of the ice skate blade pipe is micro-melted under the thermal action of laser energy, and the surface of the ice skate blade pipe is micro-melted; nitrogen or carbon elements are provided for ice skate blade pipe surface in-situ alloying, the turnover device completes ice skate blade pipe multi-angle laser machining, the movable workbench ensures an accurate laser scanning path, and finally ice skate blade pipe surface laser in-situ alloying machining is completed. A laser in-situ alloying method for the speed skating ice skate blade pipe is adopted, nitrogen or carbon dioxide and laser energy are utilized, and the heat input amount of a system is adjusted, so that component regulation and control of micro-molten metal on the surface of the ice skate blade pipe are achieved, and a surface alloying layer which is good in hardness, uniform in permeation layer and improved in strength is formed in situ; the method has the advantages of improving mechanical properties of the ice skate blade pipe, prolonging service life of products, improving production efficiency and the like.

The invention relates to a production method of an anti-caking compound fertilizer. The production method comprises the following steps: S1, feeding a compound fertilizer to be coated into a coating roller through a feeding hopper; s2, uniformly spraying anti-caking oil on the particle surface of the compound fertilizer to be coated through a nozzle of an oil spraying pipe; and S3, conveying and homogenizing the modified wrapping powder, and wrapping the modified wrapping powder on the surfaces of particles of the to-be-coated compound fertilizer, wherein the modified wrapping powder is conveyed and homogenized by adopting a disc distributor. The anti-caking oil is uniformly sprayed on the surfaces of the compound fertilizer particles, and then the modified wrapping powder wraps the surfaces of the compound fertilizer particles, so that the compound fertilizer wrapped by the modified wrapping powder has relatively strong hydrophobicity, mutual adhesion of the compound fertilizer is prevented, and the processing speed of the compound fertilizer is increased; and the processed compound fertilizer has a good anti-caking effect, and can be stored for 6-12 months without hardening.

The invention relates to the technical field of glass processing, and discloses a processing method of AG (anti-glare) glass, which is high in processing precision and efficiency, low in product breakage rate and processing cost and low in skill requirements on operators, and comprises the following steps: S1, carrying out sand blasting on a glass incoming material, so that a sand surface is formed on the front surface of the glass, and a non-sand surface is formed on the back surface of the glass; s2, cutting the sand-blasted glass to form a plurality of glass sheets; s3, a laser beam is emitted from the non-sand surface of the glass sheet, so that a chamfering pretreatment area, a hole pretreatment area and a hole chamfering pretreatment area are formed in the glass sheet through laser internal carving; s4, putting the glass sheet into an etching solution for chemical etching; s5, carrying out appearance splitting on the glass sheet so as to form a chamfer on the edge of the glass sheet; and S6, carrying out hole splitting on the glass sheet by adopting ultrasonic wave under-liquid splitting, so that hole sites are formed in the hole pretreatment area and the hole chamfering pretreatment area on the glass sheet.

The invention belongs to the field of electronic device raw material processing equipment, particularly relates to electronic device material processing equipment, and provides the electronic device material processing equipment aiming at the problems that in the prior art, manual placement is needed during feeding, and batch production is not facilitated, and the electronic device material processing equipment comprises a support and a supporting table fixedly connected to the upper end of the support. The automatic cutting device comprises an automatic feeding device, a fixed-length cutting device, an automatic material guiding device and a control device, and the control device is used for controlling the fixed-length cutting device and the automatic material guiding device to alternately operate. The automatic feeding device, the fixed-length cutting device and the automatic material guiding device are matched with one another to alternately operate when the automatic cutting device is used. The steps of material feeding, cutting and material guiding and collecting can be met without manual operation of constructors, multiple copper bars can be machined and produced at the same time, the machining efficiency is high, the automation degree is high, the machining speed is high, and the device is suitable for batch production.

The invention belongs to the technical field of environmental governance, and particularly relates to preparation of cerium-doped surface modified activated carbon and application of the cerium-doped surface modified activated carbon in adsorption of perfluorinated compounds. The preparation method comprises the following steps: dissolving cerium salt and citric acid in water to form a transparent solution, then adding NaOH and activated carbon (AC), and then sequentially carrying out hydrothermal reaction and calcination treatment to prepare the cerium-doped surface modified activated carbon. The modified activated carbon synthesized by adopting the method has efficient adsorption performance, and the specific surface area is remarkably increased, so that the contact area of an AC material and pollutants is increased, the adsorption performance and the adsorption efficiency of the material are greatly improved, perfluorinated compounds in water can be efficiently removed, and the modified activated carbon is particularly suitable for treating various types of high-concentration wastewater and has a wide application prospect. And multiple requirements on high efficiency, economy and environmental protection in the field of wastewater treatment can be met.

The utility model relates to the technical field of forge piece machining, and discloses a forge piece turnover device for anti-cracking high-strength forge piece machining, the forge piece turnover device comprises a base, two side plates are symmetrically and fixedly connected to the upper end of the base, through holes are formed in the side walls of the upper ends of the side plates, and rotating shafts are rotationally connected to the interiors of the corresponding through holes through bearings; a U-shaped positioning plate is fixedly connected to one end of the rotating shaft, sleeve holes are formed in the horizontal portions of the two ends of the U-shaped positioning plate, threaded cylinders are rotationally connected in the corresponding sleeve holes in a sleeved mode through bearings, propelling screws are connected in the threaded cylinders in a threaded mode, and a rubber clamping plate is fixedly connected to the end, located in the U-shaped positioning plate, of each propelling screw. And the side wall of the vertical part of the U-shaped positioning plate is fixedly connected with a bidirectional motor. According to the forge piece overturning device, the forge piece can be rapidly overturned and machined, the installation stability of the whole forge piece is guaranteed, and the machining quality is improved.

The bearing polishing machine for bearing manufacturing comprises a workbench, a protection plate is fixedly installed at the top of the workbench, a U-shaped plate is fixedly installed at the top of the protection plate, a lifting plate is installed on the surface of the U-shaped plate through a lifting mechanism, and a polishing mechanism is arranged at the bottom of the lifting plate. A cleaning brush is installed on one side of the protection plate through a moving mechanism, a sliding groove is formed in one side of the protection plate, a containing groove is formed in the top of the workbench, the inner wall of the containing groove is attached to the surface of a bearing, an ejection mechanism is arranged at the bottom of the inner wall of the containing groove, and an auxiliary moving mechanism is arranged on one side of the protection plate. A second motor drives a lead screw to rotate, the lead screw drives a sliding block to move, and the sliding block drives a cleaning brush to move, so that the cleaning brush can clean chippings falling on the workbench, the chippings are cleaned into a storage box, and at the moment, workers do not need to manually clean the chippings.

The invention discloses a plunger sleeve plane grinding clamp which comprises a base, a left clamping mechanism, a right clamping mechanism, a positioning rod, a supporting plate, two springs and two limiting rods. N rows of holes are formed in the base, each row of holes comprises two limiting holes and a positioning hole, and two limiting rod assembling holes and an avoiding hole are formed in the supporting plate; the lower portions of the two springs extend into the two limiting holes in the ith row of holes to abut against the two limiting holes respectively, the upper ends of the two limiting rods are in interference fit with the two limiting rod assembling holes respectively, the middle portions and the lower ends of the two limiting rods are inserted into the two springs respectively, and the supporting plate is supported at the upper ends of the two springs. The lower portion of the positioning rod is in interference fit with the positioning hole in the ith row of holes, and the upper portion of the positioning rod penetrates through the receding hole and can be in clearance fit with the bypass valve sleeve assembling hole of the plunger sleeve. By the adoption of the device, the parallelism between the plane to be ground and the axis of the plunger sleeve and the perpendicularity between the plane to be ground and the bypass valve sleeve assembling hole can be guaranteed, meanwhile, the machining process is simpler and faster, and the cost is lower.