1587 results about "Processing cost" patented technology

The invention relates to the technical field of processing control, in particular to a household appliance injection molding workshop process control system based on dynamic adjustment, which comprises an injection molding dynamic control center, and the injection molding dynamic control center comprises a process supervision unit, a traceability management unit, a processing quality unit, a dynamic regulation and control unit and a control early warning unit. According to the method, the processing efficiency and the loss of the household appliance injection molding workshop process are preliminarily analyzed, so that the safety supervision efficiency of the household appliance injection molding workshop process and the reliability of the household appliance injection molding workshop process are improved, and raw materials or parts of abnormal injection molding equipment are specifically managed in an information progressive mode; according to the method, the processing cost is reduced, the processing result of the process product in the household appliance injection molding workshop is deeply supervised and analyzed to improve the processing qualification rate of the process product, and the parameter processing stability evaluation analysis is performed on the injection molding parameters, so that the floating parameters are dynamically adjusted in a targeted manner.

The invention relates to the technical field of automobile hub machining equipment, and discloses a punching device for automobile hub production, which comprises a moving seat, the bottom of the moving seat is rotatably connected with a rod seat, the bottom of the rod seat is fixedly connected with a drilling rod for punching, and the outer wall of the drilling rod is provided with a spiral groove. Connecting plates are fixedly connected to the two sides of the bottom of the movable base, and an outer cylinder is arranged between the two connecting plates. The opening degree of the connecting hole is adjusted through staggering of the connecting hole and the adjusting hole, so that the flow of cutting fluid entering the inner barrel in the solution tank is adjusted, the opening degree is reduced before a drill rod makes contact with a hub, extra waste of the cutting fluid is avoided, and after a drilled hole reaches the rated depth, the outer edge of the inner barrel abuts against an ejector rod to push a sliding plug to compress a solution cavity; and meanwhile, the first contact switch is triggered, the electromagnetic valve is closed, the remaining cutting fluid is used for subsequent infiltration under the condition that the flow is guaranteed, waste of the cutting fluid is further avoided, and the hub machining cost is reduced.

The invention discloses a double-sided semi-embedded packaging substrate and a processing method thereof, and the processing method comprises the steps: carrying out the N times of double-sided circuit manufacturing and the N-1 times of double-sided layer adding of a multi-layer substrate alternately, and obtaining an operation board with two groups of symmetrical circuit structures; the circuit structure is provided with an outer circuit layer and (N-1) inner circuit layers which are communicated with each other, and the inner circuit layer located on the innermost side is provided with a bonding pad. Performing laser groove burning on the working board, and processing a blind groove which is provided with an opening at the outer circuit layer and takes the other inner circuit layer adjacent to the innermost inner circuit layer as the groove bottom locally on each group of circuit structure; removing the copper foil on the bottom of the blind groove; the bonding pads are completely exposed in the blind grooves corresponding to the bonding pads, the blind grooves in the two sets of circuit structures are communicated, and a through groove structure is obtained; and cleaning the surface of the bonding pad to obtain the double-sided semi-embedded packaging substrate. The processing method is simple and reasonable, the processing cost is low, the processing efficiency is high, and the reliability of the obtained double-sided semi-embedded packaging substrate is very high.

The invention discloses a multi-tolerance coupling mechanism precision analysis and tolerance distribution method, which comprises the following steps of: analyzing an assembly structure of a mechanism to be processed: analyzing part composition of the mechanism and an assembly relationship among all parts, and determining key geometric features which influence functional requirement poses; determining the small displacement spinor of the key geometrical characteristics of each assembly surface, establishing a mechanism error transfer matrix, solving a functional requirement pose error accumulation transfer function, and analyzing the mechanism precision; fitting a function relationship between the tolerance and the actual variation interval of the small displacement spinor; establishing a reliability performance function of the tolerance, and carrying out reliability analysis; carrying out primary distribution on each tolerance when the output function requirement is known; and a PSO algorithm is adopted to optimize the tolerance, and a final tolerance value is determined, so that the to-be-machined mechanism is designed. While the final precision of the mechanism is predicted, the tolerance selection problem of each assembly key geometric feature can be guided, and finally the tolerance-machining cost optimization is realized.

The utility model relates to the technical field of bow plate type part machining, and provides a bow plate type part batch machining tool which comprises a base and a plurality of clamp bodies installed on the base in the vertical direction. According to the batch machining tool for the bow plate type parts, through the structural design that the base is detachably connected with the multiple clamp bodies, installation of the multiple clamp bodies and the multiple bow plate type parts is supported, the number of times of workpiece replacement and the non-production time are reduced, the equipment utilization rate is effectively increased, and abrasion and energy consumption caused by starting and stopping of equipment are reduced. The problems that in a traditional machining method, efficiency is low, labor intensity is large, the equipment utilization rate is low, and machining cost is high are effectively solved, and a new scheme is provided for efficient and economical production of the arch plate type parts.

A profile forging method for a multi-segment forge piece having special-shaped steps. The method comprises the following steps: a billet making stage, involving: performing multiple instances of upsetting and drawing-out on raw-material ingots to obtain a forging billet that meets requirements; a die forging billet forming stage, involving: on the basis of the shape of a product, segmenting the forging billet to form multiple segments of plate-shaped billets of unequal heights; a loose tooling forming stage, involving: placing the plate-shaped billets into a loose tooling die, a pressing machine continuously pressing the plate-shaped billets until a die cavity is filled with special-shaped portions of the plate-shaped billets, and then performing demolding to obtain an initial forge piece; and a heat treatment stage, involving: performing overall quenching and tempering heat treatment on the initial forge piece. In the forging method, a forging process combining open-die forging and loose tooling forging is used to form an asymmetric plate-shaped structural forge piece having multiple special-shaped steps, thus improving the material utilization rate and the manufacturing efficiency, reducing the product rejection rate and cutting-machining costs, and achieving higher economic benefits.

In order to make it possible to ensure the axis alignment performance while reducing the processing cost, and to make a coupling structure compact to perform the coupling work and the detaching work of pipe members without difficulty even in a narrow work space, the coupling structure according to the invention includes a pipe coupling that couples a pair of pipe members each including a flange at an end portion in a state where the flanges of the pipe members face each other, an annular gasket interposed between the flanges of the pair of pipe members, and recesses formed individually in facing surfaces of the flanges facing each other, in which the annular gasket fitted into the respective recesses makes pipe axes of the pipe members and the annular gasket coincide with each other.

The invention relates to the technical field of injection molding, in particular to a high-efficiency encapsulation injection molding method for iron cores of a motor inner stator and a motor rotor, which comprises the following steps of: A, pre-classifying the iron cores; b, preparing a mold structure; c, matching and mounting gaskets; d, loading the iron core; and E, injection molding. Through iron core pre-classification, preparation of the adjustable gasket combination in the mold insert and accurate matching and installation of the gaskets, the size of the mold cavity can dynamically, efficiently and accurately adapt to iron core laminations with different thickness deviations. And the purchase cost of the iron core coiled material is reduced. And meanwhile, by adjusting the gasket combination instead of manufacturing inserts with various heights, the machining cost and the management complexity of mold spare parts are effectively reduced. The common defects of excessive flashes, unqualified appearance and size and the like in rubber-coated injection molding products are thoroughly eliminated, the product quality is ensured, the production efficiency and the material utilization rate are improved, and therefore the problem of high production cost in a traditional process is solved.

The present invention discloses a tool for scraping the front and back surfaces of a through hole in a box wall. One end of a tool rod is fixed on the main shaft of a machine tool. A combined cutter head is fixed on one side of a cutter disc in a centrally symmetrical manner. A basic bushing is pressed and fixed on the other end of the tool rod. A friction bushing and a protective bushing are pressed and fixed on both ends of the basic bushing. The protective bushing passes through the corresponding through hole in the box wall. The end cover, support column, cutter disc, basic bushing, friction bushing and protective bushing are fixedly connected into one body. The blade cutting edges of a pair of combined cutter heads face the inner plane of the through hole on the inner side or outer side of the box wall. The method comprises 1) using a tool for scraping the front and back surfaces of a through hole in the box wall, and 2) using the cutter disc to perform forward scraping cutting processing or to perform reverse scraping cutting processing when the cutter disc is installed in an upright position. The present invention can perform forward scraping and reverse scraping cutting processing on the planes on both sides of the through hole in the box wall, respectively, using only the same set of tools, which significantly improves the processing efficiency and processing quality and reduces the processing cost. It is suitable for processing various types of boxes and has good versatility.

The invention belongs to the technical field of aircraft manufacturing, and discloses a pressure-adjustable flexible blank pressing loading deep drawing die and a using method thereof.The deep drawing die comprises a female die, a blank pressing ring and a male die, the molded surface of the female die is partially matched with the outer surface of a part, and the upper surface of the blank pressing ring is provided with a sunken surface matched with an unfolded blank in shape; the working surface of the male die is matched with the lower surface of the inner side area of the root fillet of the part; the pressure-adjustable fluid medium is tightly pressed on the upper surface of the unfolded blank in a sealed mode through the female die and the blank holder, and part drawing forming is carried out on the male die. And the technical problem of mutual contradiction of edge pressing load concentration during traditional deep drawing load increase is solved. A fluid medium flexible edge pressing mode is adopted, contact friction does not exist between the female die and the flange edge of the part, and the edge pressing load uniformity is not affected when the die bears deformation; the lubricating device has the remarkable advantages of good lubricating effect, low mold processing cost, high technical universality and the like.

The invention relates to the field of tungsten carbide hard and brittle material processing, in particular to a tungsten carbide hard and brittle material processing method. The technical problems that in the prior art, a tungsten carbide hard and brittle material machining method is low in machining efficiency, poor in surface quality and fast in tool abrasion, and meanwhile, an existing method often lacks the real-time monitoring and dynamic adjusting capacity, and the machining precision and efficiency are affected are solved. According to the technical scheme, according to the tungsten carbide hard and brittle material machining method, the cutter abrasion condition is monitored in real time, and the cutter compensation amount and machining parameters are dynamically adjusted according to the cutter abrasion condition; by monitoring tool wear in real time and dynamically adjusting the compensation amount, machining errors caused by tool wear are reduced, the machining precision is improved, machining parameters are adjusted in real time according to the tool wear condition, it is ensured that the machining process is always kept in the optimal state, the machining efficiency is improved, and by monitoring tool wear and adopting compensation measures, the machining precision is improved. The cutter is prevented from being scrapped in advance due to excessive abrasion, so that the service life of the cutter is prolonged and the machining cost is reduced.

The utility model provides sealing ring assembling equipment, and relates to the technical field of electronic cigarette processing. The sealing ring assembling equipment comprises a rack, a ring supporting device and a feeding device. The ring supporting device and the feeding device are both installed on the upper end face of the rack, the ring supporting device comprises a first driving assembly and a plurality of ring supporting mechanisms, and the ring supporting mechanisms are all configured to be opened or retracted under driving of the first driving assembly; the feeding device is installed on the upper end face of the rack and comprises a material taking mechanism and a conveying mechanism, the material taking mechanism is provided with a plurality of material taking structures corresponding to the multiple sets of ring supporting mechanisms, and the conveying mechanism is used for containing workpieces; when the ring expanding mechanism is expanded, the sealing ring arranged on the ring expanding mechanism is expanded, and the multiple material taking structures can take the expanded sealing ring and assemble the expanded sealing ring with the corresponding workpieces. According to the sealing ring assembling equipment, the machining cost is reduced, and the machining efficiency is improved.

The present invention discloses a method for processing deep and long precision step holes in an intermediate casing. Before the support plate is welded to the intermediate casing, a through hole is first processed on the insert, and then the insert is welded to the support plate. The support plate is then welded to the intermediate casing to complete the processing of each end face of the casing. Next, spiral milling is used to process the step hole with the smallest aperture, and then the remaining step holes are processed by spiral milling. The step holes with high positioning and precision requirements retain processing allowances, and finally a reamer is used to process the step holes with high positioning and precision requirements. The present invention solves the problem of iron chips wrapped around the tool, avoids tool breakage, and reduces processing costs. In addition, the present invention also improves the surface quality of the precision step holes and enhances processing efficiency.

This invention discloses a cutting device for plastic woven bags, comprising a frame, a drive mechanism, a conveying mechanism, and a cutting mechanism. The conveying mechanism includes a base, a conveying roller, and a pressing roller. The conveying roller includes a front roller and a rear roller. The base is fixedly mounted on the frame. The pressing roller, the front roller, and the rear roller are arranged sequentially above the base along the conveying direction of the plastic woven bag and are rotatably connected to the frame. The pressing roller, the front roller, and the rear roller are each driven to rotate by the drive mechanism mounted in the frame. The cutting mechanism is mounted on the frame between the front roller and the rear roller, and is located directly above the base. Using the cutting device of this invention, a thermal cutting method is employed, which not only provides a good cutting effect but also facilitates subsequent processes, effectively reduces processing costs, and avoids the emission of pungent odors during the cutting stage, achieving energy conservation and environmental protection. It has high processing efficiency, a simple overall structure, and is easy to operate, making it suitable for widespread application.

The invention discloses a discrete manufacturing enterprise product cost accounting method, and belongs to the technical field of commercial data processing, and the method comprises the steps: dividing the production process of each part in a product into a plurality of production processes; according to the inflow cost and the material picking cost of one production process, the in-process cost, the waste product cost and the completion cost of the production process are obtained through the processing motivation in the production process, and the inflow cost of the next production process is determined according to the completion cost; through circulation of the completion cost between continuous production processes, the completion cost of each part is obtained, so that the product cost is obtained. According to the method, the part production procedures are divided, cost circulation is carried out, refined cost control is achieved, cost accounting is independently carried out in each procedure, and data are accurate. By reasonably sharing the manufacturing cost and the waste cost, the cost transfer of cross-workshop circulation is simplified, and the cost accounting accuracy is improved.

The utility model discloses a condenser pipe multi-pipe end combined processing all-in-one machine, which comprises a rack and a clamping mechanism arranged on the rack and used for clamping a condenser pipe, the rack is provided with a translation seat I and a translation seat II, and the clamping mechanism is positioned between the translation seat I and the translation seat II. The first translation seat is driven by a linear moving mechanism to move on the machine frame, lifting seats are arranged on the first translation seat and the second translation seat, the first translation seat and the second translation seat are connected with the lifting seats through corresponding lifting mechanisms, an inclined pipe machining device with the adjustable angle is arranged on the first translation seat, and an inclined pipe machining device with the adjustable angle is arranged on the second translation seat. The inclined pipe machining device comprises a mounting plate and an adjusting plate hinged to the mounting plate, an angle adjusting and pushing mechanism capable of pushing the adjusting plate to rotate around a hinge point is arranged on the mounting plate, and a plurality of machining units are arranged on the lifting seat and the adjusting plate. According to the structure, the machining efficiency is high, machining of a plurality of procedures is completed through one-time positioning, and therefore the machining precision is improved, and the machining cost is reduced.

The utility model discloses a middle frame structure convenient to form, which belongs to the technical field of manufacturing process of middle frame structures of portable intelligent equipment and comprises a middle plate forming part, a frame forming part and an auxiliary forming part. At least two frame forming parts are arranged around the periphery of the middle plate forming part, and the inner side face of each frame forming part is connected with the edge face of the middle plate forming part; the auxiliary forming parts are distributed in the middle plate forming part, on the inner side of the frame forming part and between the middle plate forming part and the frame forming part. According to the manufacturing process of the mobile phone middle frame, the technical problems of low-end products, limited process, high processing cost, unstable quality and the like in the prior art are solved.

The invention belongs to the field of workshop scheduling, and particularly discloses a hybrid flow workshop dynamic scheduling method and system considering machine predictive maintenance, and the method comprises the steps: taking the minimization of total completion time, maintenance cost and processing cost as the target, building a hybrid flow workshop scheduling problem as a multi-target joint optimization model, and carrying out the optimization of the multi-target joint optimization model; setting intelligent agents with the same number as the processing stages, and constructing a Markov decision process; each agent has an independent scheduling network, including a workpiece scheduling network and a machine scheduling network; based on a Markov decision process, training an intelligent agent, maintaining a workshop at an operation and maintenance point, and respectively calling a workpiece scheduling network and a machine scheduling network at a scheduling point to select workpieces and machines; and after training is completed, workshop dynamic scheduling is realized based on the trained intelligent agent. According to the method, the problem of hybrid flow shop dynamic scheduling considering machine predictive maintenance is effectively solved through workshop scheduling integrating machine operation and maintenance, and the method has good dynamics and adaptivity.

The utility model provides a drag chain routing device of an elevator, which belongs to the technical field of elevators and comprises a support, a first side plate and an electric / pneumatic wire harness, the support comprises a transverse part, a vertical part arranged below the transverse part and a shaft part arranged on the vertical part, and a chain wheel and at least one drag chain wheel are sequentially and rotatably arranged on the shaft part along one end. The chain wheel and the drag chain wheel are fixed relative to the axial position of the shaft part, a chain is assembled on the chain wheel, a drag chain is arranged on the drag chain wheel, the drag chain is hollow, the electric / pneumatic wire harness is arranged in the drag chain, and the drag chain wheel rotates along with the chain wheel to enable the electric / pneumatic wire harness to move along with the drag chain; according to the utility model, extra bearings and other auxiliary parts required by a traditional wiring chuck are reduced, so that the total number of parts is reduced, the manufacturing process is simplified, the material cost and the processing cost are directly reduced, and meanwhile, the production and assembly time is reduced due to simpler assembly, so that the production cost is further reduced.

The invention belongs to the technical field of part processing, and provides a multi-harmonic excitation conformal polishing and grinding device and method for ring parts, the device adopts a double-mass double-excitation four-machine reverse split driving mechanical vibration system, high-frequency large-amplitude compound vibration of a conformal container is realized, and the polishing and grinding efficiency is improved. Therefore, the particle medium is driven to perform efficient longitudinal spiral motion around the ring part; the rotary motion of the ring part cooperates with the geometric constraint of the conformal container, so that the relative motion between the particle medium and the ring part is improved, an alternating stress flow field is formed in the ring part, and the problem that the inner surface machining efficiency and the outer surface machining efficiency are inconsistent due to the splitting effect of the ring part on the particle flow field is successfully solved. By means of the method, the problems of low machining efficiency, uneven machining and poor surface quality existing in a traditional finishing machining method for the ring parts with the cartridge receiver and the flame tube as typical parts can be solved, and the machining cost is reduced while the machining precision and the surface quality of the ring parts are improved.

The utility model belongs to the technical field of grinding machines, and particularly refers to a center hole-free pressure wheel device; it comprises a first guide wheel seat and a second guide wheel seat which are arranged side by side, a first spindle is rotatably arranged in the first guide wheel seat, and a second spindle is rotatably arranged in the second guide wheel seat, one end of the first spindle and the second spindle are driven to rotate synchronously by a first driving mechanism, and the other end is respectively provided with a first guide wheel and a second guide wheel, a placement position for a workpiece is formed between the first guide wheel and the second guide wheel, a workpiece adjustment frame is arranged on the first guide wheel seat and the second guide wheel seat, a limiting rod which abuts against one end of the workpiece is arranged on the workpiece adjustment frame, a second driving mechanism is arranged on one side of the first guide wheel seat or the second guide wheel seat, the second driving mechanism is connected to the pressure wheel seat, and a pressure wheel which can be pressed onto the workpiece is arranged on the pressure wheel seat; the utility model can be used in conjunction with an ordinary external cylindrical grinder to process a workpiece without a center hole, and can greatly reduce the processing cost compared with the need to use centerless grinding in the prior art.

The present invention relates to a method for processing hardware tableware, belonging to the technical field of hardware tableware processing, taking the point farthest from the transition connection area as the starting point, delineating the first shearing area at the starting point, selecting the first spacing area on both sides of the first shearing area, and selecting the second shearing area and the second spacing area in sequence, and then taking the connection between the transition connection area and the handle area as the starting point, along the handle area to the tail direction, and then selecting a distance of length S to continue designing the N-th shearing area and the N-1st spacing area in the same way, so that the stress distribution of the cutlery, fork and spoon tableware is uniform during shearing, solving the problem that the uneven stress distribution causes bending or deformation of the material under the shear force. The present invention optimizes the shearing process of the hardware tableware through the processing method, improves the quality of the product, avoids or reduces the generation of product burrs during processing, further improves the processing efficiency of the hardware tableware, and reduces the processing cost of the enterprise.

To provide a centrifugal compressor which can reduce a processing cost while suppressing reduction in efficiency due to power loss while reducing a flow rate of a surge point flow.SOLUTION: In a centrifugal compressor of the present disclosure, a casing includes an inflow passage in which a fluid flows, a discharge passage, and an impeller storing part which stores an impeller and has a facing face forming an outer passage extending in one axial direction from an upstream end of the discharge passage along with a cover. The inflow passage includes a limit point at a position where a center angle of an arc of a chip-side flat face from a reference point toward a downstream side is 30°. The casing includes a circulation passage which communicates a region between a plurality of blades and the inflow passage, and communicates with an end part on one axial direction side of the outer passage. An inlet-side opening on the impeller side of the circulation passage is positioned at a boundary between an upstream end face of the cover and the casing. An outlet-side opening on the inflow passage side of the circulation passage is positioned on an upstream side from the limit point.SELECTED DRAWING: Figure 2

The invention relates to the technical field of new energy automobile power connectors, and discloses a charging connector processing device for new energy automobile production, which comprises a machine body, and a feeding track, a pushing mechanism, a crimping mechanism, a wire holding mechanism, a cutting mechanism and a control terminal which are connected to the machine body, and the feeding track and the cutting mechanism are respectively arranged on two sides of the pushing mechanism; the output end of the feeding rail is connected with the input end of the pushing mechanism. According to the invention, an automatic cable conveying mode is adopted, before the cable end is conveyed to the crimping machine, the rubber of the cable end is uniformly expanded through the expansion mechanism, so that the conversion terminal can be inserted from the gap between the rubber and the cable inner core to form preliminary limiting, and therefore, automatic plugging and preliminary limiting processing processes can be realized; and finally, the rubber enters a pressing area of the crimping machine for crimping treatment, so that the working links of rubber removal and manual initial limiting are reduced, the processing cost is reduced, and the efficiency and economic benefits are improved.

The utility model relates to a universal forming die which comprises an upper die base, a lower supporting plate and a lower die plate, the upper die base corresponds to the lower die plate in an up-down mode, the lower die plate is fixedly arranged on the lower supporting plate through a raising block, and an upper male die is arranged in the center of the bottom of the upper die base. A spring seat is arranged in the center of the top of the lower supporting plate; a female die frame is arranged at the top of the base plate, a female die insert is embedded in the female die frame, a cavity is formed in the top of the female die insert, a lifting groove is formed in the center of the cavity, and a vertically-through limiting groove is formed in the center of the bottom of the female die frame. Pressing plates in up-down sliding fit with the lifting grooves and the limiting grooves are arranged in the lifting grooves and the limiting grooves. The universal forming die is simple in structure, the upper male die and the female die insert can be flexibly replaced according to the size and shape requirements of products, the die frame is high in universality, the research, development and use cost of the die is saved, and the machining cost is saved; and in addition, the stamping part can be well demoulded through the pressing plate capable of moving up and down, and the machining efficiency is improved.

The utility model provides a cup lid with a simple unlocking structure and a vacuum cup, the cup lid with the simple unlocking structure comprises a cup lid main body and an opening and closing lid, a control panel assembly and an unlocking assembly are arranged in the opening and closing lid, the unlocking assembly comprises a clamping push head and a clamping driving device, the opening and closing lid is provided with an installation connecting hole, and the clamping push head is connected with the clamping driving device. One end of the clamping push head penetrates through the mounting connecting hole to be fixedly connected with the moving end of the clamping drive device, and the other end of the clamping push head is provided with a clamping claw. By means of the product structure, the problems that in the prior art, a vacuum cup is not simple enough in structure and complex in machining can be effectively solved, by means of the product structure, the clamping drive device is connected with the clamping push head, the clamping push head can be driven to linearly move back and forth, and therefore switching of the clamping states of the clamping claws is achieved; the locking structure of the cup cover is effectively simplified, two traditional locking structures are combined into a whole, the machining complexity and the machining cost are effectively reduced, and the competitiveness of a product is improved.

The invention provides a method and a system for calculating the processing cost of a metal product under a circulating production process. The method comprises the following steps: setting a virtual productive cost center; setting a production auxiliary cost center; tracking and collecting actual production performance formed by processing the product by the production auxiliary cost center; according to the actual production, the workload of the processed product is calculated; according to the workload, calculating the calculation weight in the processing cost generated in the production auxiliary cost center, and sharing the cost to the product; and summarizing the cost according to the cost project, and recording the cost to a virtual productive cost center. According to the method, the cost composition of the product can reflect the actual manufacturing process more accurately, the problem of tracking and statistics of related elements of product cost change in the circulating production process is simplified, and the problem that the machining cost of a unit in the circulating production cannot reflect the actual machining condition of the product on the unit practically is solved.

A universal threshold beam loading and unloading carrier comprises a positioning mechanism arranged on a base frame, the positioning mechanism comprises a first supporting frame, a second supporting frame, a third supporting frame, a fourth supporting frame, a first pressing frame and a second pressing frame, the first supporting frame, the second supporting frame, the third supporting frame and the fourth supporting frame are identical in structure, and each supporting frame comprises a first support and a linkage block which are installed on the base frame. A plurality of supporting blocks are hinged in the height direction at intervals, limiting rods are arranged below the inward ends of the corresponding supporting blocks, linkage blocks are arranged between every two adjacent supporting blocks, the lower ends of the linkage blocks are hinged to the outward ends of the supporting blocks on the lower layer, and limiting grooves are formed in the upper ends of the linkage blocks and hinged to the outward ends of the supporting blocks on the upper layer. Each pressing frame comprises a second support installed on the machine frame, the second supports vertically extend upwards, a plurality of pressing blocks are arranged in the height direction at intervals, and the extending ends of the pressing blocks are elastic sections. The automatic loading and unloading device is simple in structure and low in machining cost, can automatically load and unload a plurality of threshold beams, is suitable for the threshold beams of multiple specifications, and meets the transportation requirements of logistics enterprises.

The invention relates to the field of stamping technology, and in particular to a stamping device for producing and processing aluminum cans, comprising a frame, a plurality of columns installed on the frame, a middle plate fixed on the columns, and a circulating oil supply component and a stamping component installed on the middle plate. The frame comprises a bottom plate, a top plate arranged above the bottom plate, and side frames fixed on both sides of the bottom plate and the top plate. A No. 1 aluminum strip transmission component and a No. 2 aluminum strip transmission component are respectively installed on the bottom plate and the top plate. When the stamping component is in progress, it is used for punching and stretching the aluminum strip on the No. 1 aluminum strip transmission component to form a can body; when the stamping component is in return, it is used for punching and stretching the aluminum strip on the No. 2 aluminum strip transmission component to form a can cover. The invention makes full use of the driving force and stroke change generated by the oil return shrinkage of the stamping equipment as a can cover stamping in another direction, and successively performs the stamping processing of the can body and the can cover, thereby greatly improving the processing efficiency and effectively reducing the processing cost.

The invention provides a rolling, clamping and positioning method for a single-journal rectifying blade of a high-pressure compressor. According to the technical scheme, the rolling, clamping and positioning method comprises the steps that (1) a positioning block is designed and machined on the end face of a blade journal; a cuboid clamping positioning block is designed on the end face of the shaft neck, a datum point is arranged on the blade profile blank face, the blade profile blank face is clamped, and the shaft neck and the positioning block are milled. (2) a rolling chuck is designed; 3) a positioning and clamping process; mounting the clamp on a rolling mill; the Z1 face of the blade positioning block abuts against the Z-direction positioning face of the base 1, the Y1 face of the blade positioning block makes contact with the Y-direction positioning face, and the shaft neck is placed on the lower supporting block. And the positioning block is pressed to finish clamping and positioning. The method has the advantages that the requirement for the accurate torsion position degree of the blade profile is met, the rolling qualification rate of the blade profile is increased, the waste loss caused by pressing damage to the surface of the shaft neck is reduced, the machining cost is saved, and the good income effect is achieved.