65results about How to "Shorten cycle time" patented technology

The invention provides pulping equipment. The pulping equipment comprises a circulating tank, a sleeve, a dispersing device and a guide cylinder, an accommodating cavity for accommodating slurry is formed in the circulating tank. The sleeve is arranged on the top of the circulating tank and extends into the containing cavity. The dispersing device is installed at the end, close to the bottom wall of the circulating tank, of the sleeve, an inflow port is formed in the side, close to the bottom wall of the circulating tank, of the dispersing device and communicates with the containing cavity, and an outflow port communicating with the inflow port is formed in the side wall of the dispersing device. The guide cylinder is connected with the dispersing device, the inner wall of the guide cylinder and the outer wall of the sleeve form a guide channel, one end, close to the top of the circulating tank, of the guide channel is communicated with the accommodating cavity, and the end, close to the bottom wall of the circulating tank, of the guide channel is communicated with the outlet. Therefore, the slurry is dispersed and circulated in the circulating tank, so that the circulating path of the slurry between the dispersing device and the circulating tank is greatly shortened, the circulating efficiency of the slurry is effectively improved, and the circulating time of the slurry is shortened.

A method of forming a layer of material on one or more substrates by ALD is disclosed. Embodiments of the presently described methods include performing a plurality of deposition cycles including at least two precursor pulses and an intervening purge pulse to form a layer of material on one or more substrates. During each deposition cycle, a ratio of the process chamber pressure during each of the at least two precursor pulses to the process chamber pressure during the intervening purge pulse is equal to or different from each other.

The invention belongs to the technical field of coal mine airtight wall building, and particularly relates to a movable type airtight wall building double-arm operation platform. Comprising a crawler walking mechanism, and a double-operation-arm stacking unit, a brick arranging area, a brick pre-arranging mechanical arm and a brick feeding area are sequentially arranged on the crawler walking mechanism from front to back; the brick pre-arranging mechanical arm is used for moving bulk bricks in the brick feeding area into the brick arranging area and arranging the bulk bricks into brick units according to the width of a wall body; the double-operation-arm stacking unit comprises a left stacking mechanical arm and a right stacking mechanical arm which act independently, the two stacking mechanical arms grab the brick units from the left row of brick units and the right row of brick units correspondingly to conduct wall building, and the two stacking mechanical arms cooperate to conduct wall building within the set length range. By means of the work division operation mode of brick pre-arrangement and overall stacking, the wall building efficiency can be greatly improved; the two stacking mechanical arms open left and right to conduct wall building operation, and the wall building efficiency is doubled compared with a traditional single-mechanical-arm mode.

The invention provides a frequency measurement device based on an optical frequency comb and cyclic frequency shift. The frequency measurement device comprises a laser, an optical beam splitter, an electro-optic intensity modulator, an optical cyclic frequency shift loop, an optical frequency comb generation unit, an optical beam combiner, a multichannel optical filter, a multichannel photoelectric detector, a multichannel low-pass filter and a multichannel acquisition processing unit. According to the device, broadband high-precision frequency measurement is realized by adopting a method of combining cyclic frequency shift with Fourier transform, an optical frequency comb is adopted as a local oscillation light source, sub-band division of a radio frequency spectrum is realized by combining a multi-channel optical filter, parallel frequency measurement of each sub-band can be realized, the cycle index of a frequency shift loop is reduced, the cycle time of the loop is shortened, and the measurement efficiency is improved. Noise accumulation caused by multiple cycles is reduced, and the signal-to-noise ratio and the dynamic range of radio frequency signal frequency measurement detection are improved, so that the frequency measurement requirements of broadband high precision, high signal-to-noise ratio, high dynamic and quick response are met.

The present invention discloses a movable air film canopy for heat preservation in winter foundation pit construction and an assembly method thereof, which belongs to the field of heat preservation canopies, and includes a guide rail assembly arranged on the ground on both sides of the foundation pit, a canopy assembly slidably arranged on the top of the guide rail assembly, and a heating assembly connected to the canopy assembly, wherein the canopy assembly is a three-layer heat preservation structure; the canopy assembly includes a drainage membrane, an arched air rib membrane, and a first heat energy reflecting surface arranged in sequence from the outside to the inside, the bottom end of the arched air rib membrane is slidably arranged on the slide rail assembly in sequence through a base and a roller, the outer circumferential side of the arched air rib membrane is coated with a drainage membrane, the bottom end of the drainage membrane extends in a direction away from the arched air rib membrane, and is fixed to the ground through rivets. The present invention adopts the above-mentioned movable air film canopy for heat preservation in winter foundation pit construction and an assembly method thereof, which has the advantages of convenient installation and disassembly, high heat preservation, automatic snow removal, removability, reusability, low cost, etc., thereby facilitating foundation pit construction in winter.

The invention provides polyimide slurry for a flexible display substrate, a preparation method of the polyimide slurry and a preparation method of a polyimide film. The polyimide slurry comprises the following raw materials: diamine, dianhydride, an end-capping reagent, a solvent and an additive, the preparation method comprises the following steps: uniformly coating a SiOx inorganic layer substrate with slurry by adopting a slit coating device, carrying out HVCD and high-temperature imidization baking, standing in a high-humidity environment for 8 hours, and slowly stripping a PI film material by virtue of film stripping equipment, so as to obtain the light yellow polyimide film. Through specific formula and process development and optimization of the preparation process, the adhesive force between the polyimide film and the SiOx inorganic layer is remarkably improved, the problem that a traditional polyimide film is prone to falling off is effectively solved, electrical performance faults caused when the polyimide film is used in flexible display equipment are avoided, and the service life of the flexible display equipment is prolonged. The prepared polyimide film not only has good adhesive force, but also keeps excellent optical performance, mechanical performance and thermal performance, and is suitable for a high-performance flexible display technology.

The embodiment of the utility model provides a film pasting system. The film pasting system comprises turntable equipment, first material loading and unloading equipment, second material loading and unloading equipment and film pasting and cutting equipment, wherein the first material loading and unloading equipment, the second material loading and unloading equipment and the film pasting and cutting equipment are arranged around the turntable equipment; the turntable equipment comprises a rotatable turntable, at least a first operation station, a second operation station and a third operation station are arranged in the circumferential direction of the turntable, and each operation station comprises a first placement area and a second placement area; the first material loading and unloading equipment is arranged corresponding to the first operation station and is used for unloading a first material to a first placement area of the first operation station; the second material loading and unloading equipment is arranged corresponding to the second operation station and is used for unloading a second material to a second placement area of the second operation station; and the film pasting and cutting equipment is arranged corresponding to the third operation station and is used for pasting and cutting a film on the first material and the second material on the third operation station.

The invention provides a welding transformer, a welding device and a welding method for welding at least one component. The welding transformer comprises a primary winding for connection to an energy supply, a first secondary winding inductively coupled to the primary winding for connection to a first welding electrode of a welding tool, a second secondary winding and a third secondary winding, which are inductively coupled to the primary winding and connected to the first secondary winding, and are arranged for connection to a second welding electrode of the welding tool, with which at least one component is to be contacted, a first rectifying branch for rectifying a current flowing between the first secondary winding and the first welding electrode, a second rectifying branch for rectifying a current flowing between the second secondary winding and the second welding electrode, and a current-limiting element, which is connected to the third secondary winding in order to limit the current through the third secondary winding to a predetermined maximum value.

The utility model belongs to the technical field of material cylinder devices, and particularly discloses a full flow guide material cylinder which comprises an inner cylinder, a jacket sleeved outside the inner cylinder and a first bottom plate fixed at the bottom of the jacket, a first flow guide cavity is formed between the side wall of the inner cylinder and the jacket, and a second flow guide cavity is formed between the bottom wall of the inner cylinder and the first bottom plate. The first flow guide cavity is communicated with the second flow guide cavity, a liquid inlet and a liquid outlet are formed in the bottom and the top of the side wall of the jacket respectively, the liquid inlet is communicated with the second flow guide cavity, and the liquid outlet is communicated with the first flow guide cavity. The flowing path enables the heat exchange medium to act on the bottom and the side wall of the material cylinder in sequence, and a heat exchange interface covering the whole area is formed. The directional flow path shortens the circulation time of the heat exchange medium and improves the heat conduction efficiency, so that the production process cycle is shortened and the product quality stability is improved.

The utility model discloses a plastic bottle quick-drying device, which relates to the technical field of plastic bottle processing and comprises a bottom plate, a support frame fixedly connected to the upper surface of the bottom plate, a transfer component fixedly mounted above the support frame, two fixing rods fixedly connected to the middle of the support frame, and a connecting plate fixedly connected between the two fixing rods. Three sets of clamping assemblies are fixedly connected to the upper portion of the connecting plate, each clamping assembly comprises a conical barrel, the conical barrels are fixedly connected to the connecting plate, through holes are formed in the bottom face of the connecting plate and the positions of the conical barrels in a penetrating mode, and a branch pipe is fixedly connected between the two fixing rods and the lower portion of the connecting plate; air outlet nozzles matched with the clamping assemblies in number are fixedly connected to the upper portions of the branch pipes. The automatic feeding and discharging device has the advantages that feeding and discharging are conducted at the same time, continuous operation of a production line can be guaranteed, production stagnation caused by waiting for air drying or feeding is avoided, the idle time in production is shortened to the maximum extent through parallel operation, and therefore the overall production efficiency is improved.

The invention provides a polyolefin injection molding parameter optimization method, and belongs to the technical field of injection molding processes. The problem that the benefits of a production workshop are affected in the prior art is solved. The polyolefin injection molding parameter optimization method comprises the following steps: obtaining the melt glue amount of an injection molding machine table in unit millimeter; according to the theoretical weight of the injection molding product, the glue melting position and the glue melting amount, the pressure transfer and maintaining position is determined; injection molding pressure, injection molding speed, injection molding time and dwell pressure are obtained through a mold flow simulation technology; the pressure maintaining time is preset, and the injection molding machine conducts pressurized injection and pressure maintaining treatment on the mold according to the parameters; calculating cooling time; after the injection molding product is cooled for a time period, demolding and weighing; after the pressure maintaining time is adjusted according to the gradient, injection molding is conducted again to obtain an injection product, and weighing is conducted; the final pressure maintaining time is selected according to the weight difference of the injection molding products, and finally the final cooling time is confirmed; and making the finally determined parameters into a process card, and then carrying out injection molding according to the parameters on the process card. According to the invention, the product forming quality and efficiency are improved.

A digital project task management cooperation platform system based on cloud deployment comprises a data layer, a service layer, an interface layer and an access layer. The service layer comprises service configuration, an intelligent task engine, basic service and task service; the service layer provides diversified contract service interfaces for the access layer; the intelligent task engine provides standard task management service; each basic service is integrated, and a universal intelligent task service system is realized; the intelligent task engine processes wide task types; the state and progress of a task are managed through a task service, document data related to the task are stored and managed through a file service, and smooth communication between task participants is ensured through a message service; and finally, key information in the document is automatically extracted through an intelligent identification technology. The platform system can greatly improve the conditions of information asymmetry, unsmooth communication and low management efficiency in the existing project management.

The utility model provides a spider hand finished product plate collecting machine double-position suction cup which comprises a double-position suction cup body, the double-position suction cup body comprises a suction cup connecting plate, an independent small suction cup, a suction cup fixing plate, an air pipe connector, a telescopic air cylinder and a suction plate body, and a spider hand connecting flange face is arranged in the middle of the suction cup connecting plate. And the double-position suction cup body is mounted on a spider hand of the plate collecting machine through the spider hand connecting flange surface at the top of the double-position suction cup body. The double-position suction cup adopts a double-position design and can realize high-efficiency suction. When one station sucks the plates through stretching and retracting of the air cylinder, the other station is not affected, and the two stations can be freely switched to suck the large plates and the small plates. The air blower is adopted to be matched with the small matrix type combined suction cups through negative pressure so that products with holes can be sucked, the suction stability can be improved, the reverse blowing function is achieved in the suction cup body, the vacuum breaking speed can be effectively increased through the structure when the products are sucked, placed and stacked, then the equipment running time is shortened, and the machining efficiency is further improved.

The invention discloses high-flux electrolyte preparation equipment and a testing method thereof, and relates to the technical field of chemical preparation equipment, the high-flux electrolyte preparation equipment comprises a top cover and a bottom plate, the top cover and the bottom plate are spliced through an aluminum alloy supporting column, a lifting frame is arranged on the inner side of the aluminum alloy supporting column, and a lifting door plate is arranged on the lifting frame; a pump frame is fixedly installed at the bottom of the bottom plate, a vertical linear guide rail is arranged on the surface of the top of the top cover, a transverse linear guide rail is movably arranged on the top of the vertical linear guide rail, a testing assembly is arranged on the transverse linear guide rail, and an injection assembly is arranged on the transverse linear guide rail. According to the high-flux electrolyte preparation equipment, a plurality of groups of liquid injection heads are adopted, so that the preparation of a plurality of groups of electrolytes with different formulas and different concentrations can be synchronously completed at a time, and compared with the traditional manual preparation, the efficiency is greatly improved. And the research and development period and the production preparation time are greatly shortened.

The invention discloses a B4C-WB2 composite material and a preparation method thereof, which belongs to the technical field of hard composite material preparation, and is composed of micron-level WB2 and B4C with a nano-sheet structure; the WB2 is uniformly distributed in the B4C. The invention first synthesizes micron-level WB2 with high hardness and high fracture toughness and B4C with a nano-sheet structure, and then, through high-temperature and high-pressure sintering, the micron-level WB2 is uniformly distributed between the B4C layers with a nano-sheet structure to form a B4C-WB2 composite material, wherein the WB2 can be uniformly distributed in the B4C without forming agglomerations, and exhibits high hardness and high fracture toughness.

The present invention relates to a pipeline construction operation platform, and specifically to a large-diameter PCCP pipeline joint processing construction platform, comprising a rotating support frame, an arc-shaped support frame, a top guardrail, a bolt connector, a steel plate platform frame and an adaptive walking base, wherein the arc-shaped support frame is placed on the outside of the PCCP pipeline, the rotating support frame is movably installed at the bottom of the arc-shaped support frame through a pipe connector, a top guardrail is welded to the outside of the upper part of the arc-shaped support frame, the middle part of the top guardrail is fixedly connected by a bolt connector, a steel plate platform frame is welded to the top of the arc-shaped support frame, and a top steel plate body is tied to the upper part of the steel plate platform frame. The operation platform of the present invention can be divided into multiple pieces for welding, and assembled and connected by bolts after welding. The manufacturing method is simple and the installation is easy. The top is placed on the installed pipeline, and the lower part is supported on the first-phase concrete base of the pipeline, and the support stability is good.

The utility model relates to the technical field of stamping dies, and discloses a liquid cooling plate double-layer structure stamping die which comprises a bottom die and a top die, a support is fixed on the bottom die, an air injection pipe is fixed at one end, far away from the bottom die, of the support, a plurality of air injection openings are formed in the air injection pipe, two air supply structures are arranged on the bottom die, and the two air supply structures are arranged on the top die. The two air supply structures are arranged on the two sides of the bottom die correspondingly and communicate with the air spraying pipe. Through the continuous cooling effect, the temperature of the die and the temperature of a workpiece in the stamping process are effectively controlled, the problems of workpiece size deviation, poor shape and the like caused by thermal deformation and thermal fatigue are reduced, the stability and accuracy of stamping quality are guaranteed, the stamping quality is guaranteed through the effective cooling design, and the production efficiency is improved. And the maintenance period and the downtime of the die are reduced, and the production efficiency and the working continuity are improved.

The invention relates to the technical field of acoustic loudspeaker accessory processing, in particular to vibration feeding, cutting and implanting equipment which overcomes the defects in the prior art and comprises a machine case, a material disc discharging frame assembly, a camera assembly, a washer carrying module assembly and a terminal carrying module assembly. The material disc discharging frame assembly and the terminal carrying module assembly are integrally arranged on one side area of the machine box to form a soldering lug feeding channel, the washer carrying module assembly is arranged on the other side area of the machine box to form a washer feeding channel, and the two feeding channels are arranged in a left-right separation and physical isolation mode in space. Through visual closed-loop orientation, dynamic posture correction, feeding-cutting linkage closed-loop control and a double-channel asynchronous parallel feeding mechanism, high-precision, high-efficiency and high-consistency feeding of the washers and the soldering lugs is achieved, and the assembly yield and the remodeling efficiency are remarkably improved.

The utility model relates to lamination equipment. The lamination equipment comprises a lamination module, a transfer transportation module and a discharging carrying module. The transfer transportation module comprises a first stock bin and a second stock bin, the first stock bin and the second stock bin can reciprocate between a lamination position and a discharging position, and when one of the first stock bin and the second stock bin moves to the lamination position, the other one of the first stock bin and the second stock bin can move to the discharging position; the lamination module can alternately carry products and gaskets and stack the products and the gaskets in the first stock bin or the second stock bin to form lamination units; the discharging carrying module can carry the locking pieces to the lamination unit and carry the lamination unit away from the first stock bin or the second stock bin. By the adoption of the lamination equipment, due to the fact that the first stock bin and the second stock bin can move to the lamination position and the discharging position respectively, alternate stacking of the glass cover plates and the gaskets and locking and discharging of the lamination unit can be conducted synchronously, the circulation time of the transfer transportation module is effectively shortened, and the overall production efficiency is improved.

The control device (20) is provided with: an image acquisition unit (121) that acquires, from a vision sensor, a plurality of images obtained by continuously capturing a workpiece; and an object determination unit (122) that determines, on the basis of the plurality of images, the workpiece in the stationary state as an object of the work performed by the industrial machine.

The utility model relates to a material box conveying intermittent stop mechanism which comprises a fixing plate, a power source is installed on one side face of the fixing plate, a piston rod of the power source penetrates out of the fixing plate and is hinged to a connecting block through a connecting piece, a guide plate is installed on the fixing plate, and the guide plate and the piston rod of the power source are arranged in parallel. A shaft plate is arranged on the side, close to the connecting block, of the bottom of the guide plate, a connecting shaft is installed between the connecting block and the shaft plate in a penetrating mode, the end, penetrating out of the shaft plate, of the connecting shaft is connected with a swing plate, a reset rod is hinged to the end, close to the fixing plate, of the swing plate, a positioning rod is hinged to the end, away from the fixing plate, of the swing plate, and the reset rod and the positioning rod movably penetrate through the guide plate. The conveying mechanism can operate normally during material taking, circulation time is shortened, the structure is compact, and production efficiency is high.

A numerical control system (1) includes a numerical control device (5) and a robot control device (6). The numerical control device (5) includes a robot command generation unit (55) that generates a robot command for each robot command block, a robot program start command unit (56), and a data transceiver unit (59) that transmits a program start command to the robot control device (6) after a plurality of robot commands generated based on a plurality of robot command blocks are collectively transmitted to the robot control device (6) as a robot command group. The robot control device (6) includes a robot program generation unit (61) that generates a robot program based on the robot command, and an operation control unit (65) that starts the robot program according to the reception of the program start command after the robot program based on the robot command group is generated.

This utility model discloses an upper mold pressurization system based on a wet paper blank hot pressing equipment, relating to the field of paper forming technology. The utility model includes an upper mold fixing seat, a pneumatic device, a hydraulic device, and several guiding mechanisms. A connecting sleeve is fixed at the midpoint of the top surface of the upper mold fixing seat, and a circular constriction section is integrally connected to the top of the connecting sleeve. The hydraulic device is a hydraulic cylinder, vertically mounted on the top of the upper mold fixing seat and concentric with the connecting sleeve. The piston rod end of the hydraulic device passes through the constriction section and is fixed with a sliding column end. This utility model, through the design of a pressurization system combining pneumatic and hydraulic cylinders, can achieve multi-stage stepped pressurization. Low-pressure venting is achieved through pneumatic cylinder pressurization in the early stage of hot pressing, medium-pressure shaping is performed in the middle stage of hot pressing, and high-pressure compaction is performed in the later stage of hot pressing. Multi-stage pressurization can improve the gradual and dense arrangement of pulp fibers in the wet paper blank, reduce surface burrs, improve paperboard quality, and reduce subsequent polishing and coating costs.

This utility model discloses an automatic magnet sorting device for honeycomb paperboard, including a machine base and a machine frame. The machine base and the machine frame are fixedly connected by bolts. A first strip, a second strip, a third strip, and a fourth strip are arranged adjacently at equal intervals on the machine base. A first discharge chute, a discharge chute, and a second discharge chute are formed between the adjacent first strip, second strip, third strip, and fourth strip. This structure can solve the problem of manually arranging and screening magnets, so that the magnets are neatly arranged before entering the assembly equipment. Most importantly, it makes the production efficiency of magnet material and honeycomb board material match, which shortens the cycle time of manual material arrangement and improves the overall production efficiency of honeycomb boards, thereby increasing production capacity.

The application discloses a cam replacement mechanism of an intermittent boxing machine, which comprises a main shaft, a driving motor and a cam set fixed on the main shaft; the driving motor is in transmission connection with the main shaft and is used for providing a power source for rotation of the main shaft; the cam set is in transmission connection with each movement mechanism of the intermittent boxing machine, and when the main shaft rotates, the cam set drives each movement mechanism of the intermittent boxing machine to continuously and periodically work. The application further discloses a control method of the cam replacement mechanism of the intermittent boxing machine. The cam replacement mechanism of the intermittent boxing machine provided by the application can make the overall structure of the intermittent boxing machine equipment more compact and higher in reliability, and can improve the working efficiency of the intermittent boxing machine.

The utility model relates to an automatic feeding device of a feeding bin, which comprises a rack, the rack is provided with two feeding bins and a discharging bin arranged between the two feeding bins, full material trays are stacked on the feeding bins, and the discharging bin is used for stacking empty material trays; and the carrying mechanism comprises a Y module and an X module arranged on the Y module, the Y module is provided with a clamping jaw assembly, the Y module drives the X module and the clamping jaw assembly to move in the Y-axis direction, the X module is provided with a material taking assembly and a CCD assembly, and the CCD assembly is arranged on the material taking assembly. The X module drives the material taking assembly and the CCD assembly to move in the X-axis direction, the material taking assembly sucks workpieces on a full material disc to a transfer area, the clamping jaw assembly is used for clamping an empty material disc of a feeding bin, continuous feeding of the material discs is achieved, the stroke, the circulation time and the space of the material taking assembly are effectively shortened, and the cost of the feeding device is reduced.

The invention relates to a strapping machine (1) for strapping cable coils (2), comprising a rotatable strapping wheel (10), coil bodies (14), and a tape fixing and cutting unit (30), the coil bodies (14) being arranged on the strapping wheel (10) in a staggered manner with respect to a longitudinal axis (L) of a gap (12), a free end (9a) of the cut-off tape section (9) can be provided between the coil body (14) and the tape fixing and cutting unit (30) transversely to the longitudinal axis (L) of the gap (12), such that the cable coil (2) can be brought into contact with the free end (9a) of the cut-off tape section (9) when inserted. The invention also relates to a strapping machine (1) having a pressing element (16) and a method for strapping a cable coil (2).

The die structure comprises a split female die, a split male die, a blank holder, an upper die base and a lower die base, a plurality of U-shaped mounting grooves are evenly formed in the bottom of the split female die and the split male die in the circumferential direction, and a first guide structure is arranged on the inner ring face of the blank holder; a second guiding structure in sliding fit with the first guiding structure is arranged on the peripheral face of the split male die, a guiding inserting plate is detachably installed on the peripheral face of the split female die, a guiding inserting groove in sliding fit with the guiding inserting plate is formed in the periphery of the blank holder, the upper die base and the lower die base are of a plate type structure, and an upper die base guiding base is matched with a lower die base guiding leg for guiding. According to the die structure, fixing, guiding and supporting structures which are both used in the soft die development stage and the normal die mass production stage are designed at the same time, the split concave-convex die and the blank holder which are successfully developed can be continuously used after heat treatment is completed, the upper die base and the lower die base are subjected to universal design and can be matched with different dies to be repeatedly used, and therefore the die development period is shortened, and the production efficiency is improved. The development cost is reduced.

The invention provides a frog forging die with an automatic die opening function and a die forging process of the frog forging die. The frog forging die comprises a lower base plate, a spring, a spring core, a lower die, a limiting block, an upper base plate, an upper cushion block, a guide sleeve, an upper die and a guide column. The upper and lower dies are connected with the upper and lower base plates in a positioning and fastening manner through flat keys; the upper die and the lower die are vertically guided through a guide post and a guide sleeve which are arranged at opposite angles of the base plate in a set manner; the guide sleeve and the upper base plate are installed in a vertical interference fit mode. The guide column and the lower base plate are vertically mounted in an interference fit manner; the number of the springs is four, and two of the springs are arranged on the guide columns at the diagonal positions in a sleeving mode correspondingly. The other two spring cores are sleeved on the spring cores at the diagonal positions; the spring core is vertically assembled on the lower base plate in an interference manner; the upper cushion block is fixedly mounted in the center of the upper surface of the upper cushion plate in a fastening manner. By avoiding clamp manufacturing, manufacturing and mounting of a traditional die forging die connecting die forging press and a die forging upper die clamp are avoided, finally, the die manufacturing difficulty is reduced, the die cost is reduced, and the working efficiency is improved.

The present invention discloses an online multi-cutting head circular cutting method and device, the method includes: a plurality of saw carriages are arranged on the circular guide rail on the side of the material, each saw carriage is provided with an independent driving mechanism; when the current saw carriage is tracking and cutting the material, another saw carriage waits at the starting point, and when the material reaches the fixed length again, the other saw carriage starts to track and cut the material; when the material reaches the fixed length again, if the number of saw carriages is 2, the previous saw carriage tracks and cuts the material again, and a new working cycle starts; or if the number of saw carriages is greater than 2, the third saw carriage starts to track and cut the material until each saw carriage completes one tracking and cutting, and then a new working cycle starts. The present invention uses a circular track, and when the number of saw carriages is increased, the length of the overall track is not increased, which greatly shortens the length of the overall equipment and reduces the floor space of the equipment; and the saw carriage does not need to slow down after running to cut the material, and still runs forward at a high speed or a re-accelerated speed.