47 results about "Barrel Shaped" patented technology

The utility model relates to the technical field of servo control, in particular to a torque motor and planetary gear combination device. The torque motor and planetary gear combination device comprises a stator part and a rotor part, the stator part comprises a disc-shaped rotor shaft, a pressing ring fixedly connected with the outer edge of the rotor shaft and a magnetic ring fixedly arranged on the inner wall of the pressing ring, the rotor shaft and the pressing ring are connected to form a barrel shape, and the rotor part is located in the barrel; the driving mechanism and the speed reducing mechanism are fused together, the enlarged rotor and stator can reduce current and enlarge the arm of force, and the enlarged size is also beneficial to heat dissipation. The structure is compact, the heat dissipation area is large, the serious heating problem is solved from the two aspects of magnetic force reduction and area enlargement under the conditions of long endurance and large load of equipment, and the small size solves the technical problems of miniaturization, small torque and the like of current electric steering engines and robot joints.

A door lock assembly includes a housing, bias springs, a rotating wheel seat, a pin shaft, and a rotating wheel. One end of each bias spring abuts against a spring abutment surface of the housing. The rotating wheel seat is movably accommodated inside the housing and provided with barrel shaped cavities configured to accommodate the bias springs. The barrel shaped cavities have cavity bottom surfaces, such that the other end of each of the bias springs abuts thereto. The rotating wheel has a rotating shaft rotatably mounted such that the rotating wheel is rotatable within the rotating wheel seat. A cam structure of the rotating wheel can abut against the pin shaft, such that when the rotating wheel rotates, the rotating wheel can move within the housing together with the rotating wheel seat, and the bias springs can be compressed in the barrel shaped cavities during the movement of the rotating wheel seat within the housing.

The invention discloses an electromagnetic induction smelting furnace and a steel smelting heating system and method.The electromagnetic induction smelting furnace comprises a furnace lining used for containing smelted furnace charge, and the furnace lining is in a barrel shape with an upward opening; the induction coil sleeves the radial outer side of the furnace lining and is used for introducing induction current to generate an induced magnetic field; the plurality of magnet yoke columns are uniformly distributed on the radial periphery of the induction coil so as to form a squirrel-cage-shaped structure; and the magnetic conductive disc is located below the bottom of the furnace lining, and the periphery of the magnetic conductive disc is connected with the magnetic yoke columns so that the magnetic conductive disc and the magnetic yoke columns can form a magnetic conductive path. The heating device has the advantage of being high in heating efficiency.

The invention discloses an intelligent laser cutting and welding system for manufacturing a pressure vessel, which belongs to the technical field of laser cutting and comprises a main body mechanism for laser welding and laser cutting of a cylindrical iron plate. The main body mechanism is provided with a curling mechanism used for curling an iron plate into a barrel shape and a tensioning mechanism used for tensioning the iron plate formed into the barrel. The curling mechanism can bend an iron plate or a steel plate into a cylindrical shape to serve as the side wall of the pressure container, and the distance between the curling roller and the auxiliary roller can be adjusted to meet different machining requirements; the main body mechanism is matched with the curling mechanism, so that an iron plate or a steel plate curled into a barrel shape can be subjected to laser welding, the side wall of the barrel-shaped pressure container is formed, and the machining effect is good; the main body mechanism is matched with the tensioning mechanism to perform laser cutting on the top and the bottom of the cylindrical iron plate, so that smooth surfaces of the top and the bottom of the cylindrical iron plate are guaranteed, and subsequent welding of the bottom and the top of a container is facilitated.

The invention discloses new energy battery shell welding equipment, and relates to the technical field of laser welding, the new energy battery shell welding equipment comprises a frame body, a horizontal groove is formed in the upper surface of the frame body, a gun rack is horizontally and slidably mounted on the frame body in the length direction of the groove, a laser welding gun is mounted on the gun rack, the bottom surface of the groove is a semicircular arc surface, and the two ends of the groove extend to the end face of the frame body. The side surface of the profiled groove is a vertical surface; a lifting rod is vertically installed on the bottom face of the profile groove in a sliding mode, and a shaping assembly used for shaping the profile is installed on the lifting rod. A limiting assembly used for limiting the profile is installed on the side wall of the profile groove. Through cooperation of the shaping assembly and the limiting assembly, a rectangular sheet is pressed into a barrel shape, it is guaranteed that the material is always kept in a barrel-shaped structure in the welding process, the shaping assembly adsorbs the inner wall of the barrel-shaped material in the welding process, the material is prevented from rotating relative to a welding gun, it is guaranteed that a welding seam is a straight line, and the welding quality is improved. And the cross section of the welded cylindrical shell of the battery is circular.

The utility model provides a raised head rivet disassembling auxiliary device which comprises a guide sleeve (1), a drill rod (2), a first bearing (3), a drill rod spring (4), a second bearing (5), a four-claw sliding block (6), a sliding block spring (7) and a drill bit (8), the guide sleeve (1) is in a barrel shape, a straight hole is formed in the upper end of the barrel shape, and a step hole is formed in the lower end of the barrel shape and used for installing the second bearing (5), the drill rod (2), the drill rod spring (4) and the first bearing (3); four sliding grooves are formed in the outer surface of the lower end of the barrel shape and used for installing a four-claw sliding block (6) and a sliding block spring (7), and the guide sleeve (1) provides an installation supporting structure for other parts. The drill rod (2) is in a round straight rod shape with a boss in the middle, the upper end of the drill rod is installed in the first bearing (3), the lower surface of the boss makes contact with the upper end of the drill rod spring (4), the lower end of the drill rod is installed in the second bearing (5), the drill rod (2) is used for transmitting power, and the upper end of the drill rod is connected with a pneumatic tool and a drill bit (8).

The utility model provides a kind of high reliability expansion valve belongs to valve technical field.It solves the problem of lower reliability of the use of expansion valve in prior art.The high reliability expansion valve, including tubular valve body and the elastic member being arranged in valve body, valve body is further fixed with the female valve core being in barrel shape and the male valve core being slidably arranged, the end face of male valve core has the cylindrical plug-in connector, the inner wall of female valve core has the annular sealing ring, the plug-in connector of male valve core passes through sealing ring under the action of elastic member and forms the first flow passage between sealing ring, the inside of plug-in connector further has the throttling passage axially penetrating end face, first flow passage and throttling passage are respectively communicated with the both ends of valve body, plug-in connector is further provided with sealing block, when male valve core retreats and compresses elastic member, the sealing block on plug-in connector forms sealed abutment with sealing ring and blocks first flow passage.The utility model has the advantages of improving the use reliability of expansion valve.

The invention relates to plastic production, in particular to a plastic production process which comprises the following steps: step 1, plastic injection molding raw materials are introduced between an injection molding cylinder and a sliding cylinder; 2, the injection molding raw materials form a barrel shape and are discharged between the injection molding barrel and the sliding barrel; thirdly, the cylindrical injection molding raw material is extruded from the upper side through a pair of contact rotating wheels I, and the cylindrical injection molding raw material is extruded from the lower side through a pair of contact rotating wheels II; fourthly, the injection molding barrel is driven to rotate at the same time, so that the barrel-shaped injection molding raw material rotates, and hollow spherical plastic is formed through centrifugal force and extrusion of a pair of contact rotating wheels I and a pair of contact rotating wheels II; the hollow spherical plastic can be prepared.

The utility model discloses a screw charging barrel of an injection molding machine, which comprises a first half barrel, a second half barrel is arranged on the first half barrel, an injection molding barrel is arranged on the first half barrel and the second half barrel together, a blanking barrel is fixedly connected onto the first half barrel, a mounting structure is arranged on the first half barrel, and the mounting structure mainly comprises a mounting block. The mounting block is fixedly connected to the first half cylinder, a mounting groove is formed in the second half cylinder, the mounting block is matched with the mounting groove in size, a plurality of connecting holes are formed in the two sides of the first half cylinder and the two sides of the second half cylinder respectively, and a connecting block is arranged on every two opposite connecting holes jointly. The utility model relates to the technical field of injection molding machines, in particular to a screw charging barrel for an injection molding machine, which solves the problem that the screw charging barrel is difficult to clean and dredge after being blocked due to the fact that the existing screw charging barrel for the injection molding machine is generally in a complete barrel shape.

The invention relates to the technical field of wind driven generators, in particular to an offshore wind power single pile body scouring protection device which comprises a supporting assembly, a first-stage protection assembly and a second-stage protection assembly which are sequentially and coaxially connected from bottom to top. The second-stage flow dividing barrel is in a barrel shape defined by a plurality of second-stage flow dividing sets, each second-stage flow dividing set comprises a second-stage forward-side flow dividing strip and a second-stage reverse-side flow dividing strip which are the same in shape and are symmetrically arranged, and the cross section of each second-stage forward-side flow dividing strip and the cross section of each second-stage reverse-side flow dividing strip are each of a trapezoid-like structure; and the width of one side, connected with the second-stage forward-side shunting strip, of the second-stage reverse-side shunting strip is greater than that of the other side of the second-stage forward-side shunting strip. The problem that in the prior art, a single pile body is scoured by seawater for a long time, and consequently the service life of the single pile body is very short is solved.

The utility model relates to the technical field of coreless motors, and discloses a coreless motor with high protective performance, which comprises a protective shell, the protective shell is in a circular barrel shape with one end open, a fixed permanent magnet is arranged in the protective shell, a rotating coil is arranged in the protective shell corresponding to the outer side of the permanent magnet, the rotating coil is in a circular barrel shape, and the permanent magnet is arranged in the protective shell. An output shaft is fixedly installed on the inner end face of the rotating coil. According to the utility model, force is applied to the pressing structure by extruding the locking structure, so that the pressing structure applies force to the extruding plate, and then the carbon brush is extruded by the extruding plate, so that the carbon brush is always attached to the commutator; when the motor runs, the extrusion plate can be moved again by extruding the locking structure, so that the most suitable force is always kept between the carbon brush and the commutator to keep stable jumping, and the motor can work normally and stably.

The scroll compressor (2) includes a compressor casing (3) including an upper shell (6), a middle shell (7) and a bottom shell (8); a compression unit (11) mounted inside the compressor casing (3); a drive shaft (14) disposed inside the compressor casing (3); an electric motor (15) disposed inside the compressor casing (3) in the middle shell (7) and configured to rotatably drive the drive shaft (14); an oil sump (9) disposed inside the compressor casing (3) in the bottom shell (8); and a baseplate (16) fixed to the bottom shell (8). The middle shell (7) includes at least one barrel shaped section (B) extending in an axial direction (Z), the at least one barrel-shaped section (B) having a longitudinal profile which is arcuate and which has a radius of curvature.

The utility model discloses a chemical plastic barrel shaping tool which comprises a shaping mold A and a shaping mold B symmetrically arranged on the right side of the shaping mold A. Semicircular blow molding holes are formed in the right end of the top of the shaping mold A and the left end of the top of the shaping mold B correspondingly. Two semicircular blow molding holes are formed in the front end of the shaping mold A, a cylindrical blow molding hole can be formed after the two semicircular blow molding holes are closed together, and semicircular shaping barrel cavities are formed in the bottoms of the two semicircular blow molding holes. When the shaping mold is damaged or needs to be overhauled and maintained regularly, the overhauling protection device can be used at the moment, so that a cuboid protection block of the overhauling protection device is located between the shaping mold A and the shaping mold B which are in an open state, and the cuboid protection block can play a role in protecting the life safety of maintenance personnel; and the situation that the shaping mold A and the shaping mold B are closed due to accidents is avoided.

The utility model provides a split type gear shaft, and belongs to the technical field of machinery. The problem that an existing gear shaft is not stable in structure is solved. The split type gear shaft comprises a gear and a shaft body arranged below the gear, a barrel-shaped connecting part is formed on the bottom wall of the gear, a connecting column is arranged at the upper end of the shaft body and inserted into the connecting part, the connecting column and the connecting part are connected in a matched mode through a spline, a circle of through holes are formed in the side wall of the connecting part in a radial penetrating mode, and a first threaded hole is formed in the connecting column in the radial direction. The number of the first threaded holes is the same as that of the through holes, a bolt is arranged in each through hole, the rod portion of each bolt is screwed into the corresponding first threaded hole, and a positioning column is further formed on the bottom wall of the gear and located in the connecting portion. An inserting hole is vertically formed in the top wall of the connecting column, the positioning column is inserted into the inserting hole, the first threaded holes are in a penetrating shape, second threaded holes are formed in the side wall of the positioning column, the second threaded holes and the first threaded holes are the same in number and correspond in position in a one-to-one mode, and the rod portion of the bolt is further screwed into the corresponding second threaded holes. The split type gear shaft is stable in structure.

The utility model relates to a profiling tool, in particular to a profiling tool for hula sealing. The hula seal aims to solve the problems that in the prior art, a hula seal is difficult to form, the shape and the size are difficult to guarantee, and then the appearance and the using performance of a finished product are affected. The device is simple in structure and convenient to operate, a plate is placed between the male die and the female die, a hydraulic rod of the pressing machine is controlled to ascend and descend, the plate is moved and rotated at the same time for repeated pressing till the plate is pressed into a barrel shape, welding is conducted after pressing is completed, and hula seal manufacturing is completed. The hula seal can be manufactured efficiently, and the shape and the size of the hula seal meet the use requirements. The utility model belongs to the technical field of hula seal manufacturing.

The utility model belongs to the technical field of steam generators, and particularly relates to a heat accumulating type electric steam generator which comprises a shell, an electric heating pipe is arranged in an interlayer of the shell and filled with heat conduction liquid in a sealed mode, a heat insulation layer is arranged on the outer side of the shell, and a water inlet pipe is communicated with the top of the shell. The shell is in a barrel shape, and the bottom wall of the shell is in a hollow cone shape. Fixing frames are arranged at the bottom of the inner side wall of the inner cavity of the shell at equal intervals in a surrounding mode with the vertical axis of the shell as the center. The sleeve and the mounting plate are driven to ascend and descend in a reciprocating mode, scale on the inner wall of the shell is scraped off through the scraper, the lifting rod is driven to ascend and descend in the ascending and descending process of the mounting plate, when the lifting rod descends, water in the water tank enters the water storage bin in the mounting plate through the branch pipe and the corrugated pipe, and when the lifting rod ascends, the water in the water tank enters the water storage bin through the corrugated pipe. At the moment, the water body is further pushed to be pressurized and sprayed on the inner side wall of the shell from the water outlet holes, so that the inner wall of the shell is further washed and descaled.

The invention discloses photovoltaic power generation energy storage equipment, and relates to the technical field of photovoltaic energy storage. The device comprises a plurality of solar panels which are arranged in a circular array mode, and gaps are formed in the butt joint positions of all the solar panels so that rainwater can be drained conveniently; all the solar panels define a conical barrel shape, the energy storage part comprises a protective shell, a plurality of switching assemblies are arranged on the inner wall of the protective shell in the axial direction of the protective shell at equal intervals in an array mode, all the switching assemblies are arranged in series, and a light energy conversion driving motor is fixed to the outer surface of the protective shell; by controlling the power-on states of the electromagnetic limiting friction blocks in the different switching assemblies, the energy storage states of the multiple different energy storage springs can be controlled, light energy is converted into the different energy storage springs, and the overall energy storage energy is improved.

The invention relates to the technical field of volume measurement, and discloses a lifting adjusting type measuring cup metering machine which comprises a supporting connecting column, the ground, a metering barrel, a fixed bearing and a discharging opening. Wherein the metering barrel is in a barrel shape and is provided with an opening in the axial direction, a supporting connecting column, a supporting limiting column and a rotating motor are fixedly installed on the upper surface of the ground, a power transmission rod is movably installed on the upper surface of the ground, and a limiting fixing ring is coaxially and fixedly arranged on the inner wall of the end, away from the opening, of the metering barrel; the core problems that traditional measuring cup metering equipment is poor in universality and tedious in adjustment are effectively solved, the flexibility and accuracy of material metering are remarkably improved, the lifting adjusting structure is driven by the servo motor, a measuring cup assembly does not need to be replaced, the cost is reduced, and the working efficiency is improved. The coincidence volume of the storage metering cup and the lifting metering cup can be flexibly changed, the metering requirements of materials of different specifications are met, the production changing efficiency is greatly improved, and the flexible production concept is met.

The invention relates to a welding manipulator for a pipeline and a waterproof welding method thereof.The welding manipulator comprises a welding body, a control system and a rack, the rack comprises a sealing mechanism, a water pumping mechanism, a crawling mechanism and a barrel mechanism, and the barrel mechanism is arranged on the peripheral wall of the pipeline in a barrel-shaped sleeving mode; the two sealing mechanisms are located at the two ends of the barrel mechanism, the crawling mechanism is connected with the barrel mechanism and used for driving the barrel mechanism to move along a pipeline, the welding body and the water pumping mechanism are both connected with the barrel mechanism, and the sealing mechanisms, the water pumping mechanism and the crawling mechanism are all electrically connected with the control system. Due to the adoption of the technical scheme, when the welding manipulator for the pipeline is used for welding a damaged part of a submarine pipeline, the part needing to be welded can be isolated from seawater, the possibility that the seawater affects welding is reduced to a certain extent, and the welding efficiency is improved. And the welding quality is ensured to a certain extent.

The invention relates to the field of pretreatment of sheet metal parts, in particular to pretreatment equipment for sheet metal parts before coating, which comprises a placing part, a coating part and a coating part, the shaping mechanism comprises a shaping barrel for rolling the sheet metal part to shape the sheet metal part and a central shaft penetrating through the shaping barrel; the power mechanism is connected with the central shaft and suitable for driving the shaping barrel to rotate; the shaping mechanism further comprises a crushing assembly penetrating through the side wall of the shaping barrel, the crushing assembly is used for crushing impurity blocks on the surface of the sheet metal part when the sheet metal part is shaped by the shaping barrel, and the containing groove penetrates through the upper portion of the containing groove. A guide hole serving as a channel of the crushing assembly is formed in the shaping barrel, and the placing groove penetrates through the two ends of the placing piece; one end of the crushing assembly is movably inserted into the side face of the center shaft, and the other end penetrates through the guide hole. According to the pretreatment equipment for the sheet metal part before coating, the flatness of the sheet metal part is improved, the cleanliness of the surface of the sheet metal part is improved, and the surface of the sheet metal part is rougher.

The invention is suitable for the technical field of metal barrel shaping, and provides a stainless steel beer barrel shaping machine which comprises a base, and a bearing assembly used for containing a stainless steel beer barrel is detachably installed on the base; the shaping mechanism comprises a supporting seat, a second supporting block, a pressing frame and a shaping pressing block, the supporting seat is arranged on the base, a groove used for installing the second supporting block is formed in the end of the supporting seat, the pressing frame is installed on the supporting seat in a sliding mode, and the shaping pressing block is arranged at the end of the pressing frame; the shaping mechanism further comprises a detection type pressing assembly used for driving the pressing frame to move and controlling the motion state of the pressing frame, and a driving assembly is further arranged on the supporting seat. Tiny deformation is not easy to find, and the shaping efficiency is seriously influenced.

The lubricating oil injection assembly is provided with a limiting disc and a knob part which is arranged at the center of the limiting disc and used for turning a plug, a plurality of telescopic rods are arranged on the outer edge of the end face of the limiting disc, the telescopic rods are vertically and evenly arranged so that the corresponding end face of the limiting disc can form a barrel shape with the periphery being evenly spaced, and the limiting disc is arranged on the limiting disc. And magnetic attraction sheets are arranged at the lower end parts of the telescopic rods. The problem that in the prior art, a lubricating oil plug is scattered due to high pressure in an oil cavity, and then plug reset and personal safety of workers are affected is solved.

The utility model discloses a combined type micro-channel evaporator for an automobile air conditioner, which comprises a collecting pipe and a plurality of combined type heat exchange pipes, each combined type heat exchange pipe comprises an inner pipe and an outer pipe, the inner pipe is a straight pipe, the outer pipe is a micro-channel heat exchange plate wound into a barrel shape, the inner wall of the outer pipe abuts against the outer wall of the inner pipe, two ends of the outer pipe are respectively provided with a convex ring, and the convex rings are connected with the collecting pipe. Two convex rings are arranged in the outer pipe, a flow collecting cavity is formed in each of the two convex rings, the two ends of each micro-channel in the outer pipe are connected with the two flow collecting cavities respectively, joints communicated with the interiors of the flow collecting cavities are further arranged on the convex rings, and the two ends of the inner pipe extend out of the two convex rings respectively to form inserting ends; the two ends of each inner pipe are connected with the two first collecting pipes respectively, the two collecting cavities of each outer pipe are connected with the two second collecting pipes through the connecting pipes respectively, the two first collecting pipes are connected with a radiator of an automobile respectively, the two second collecting pipes are connected with an air conditioning system of the automobile respectively, and the working efficiency of an evaporator and the working efficiency of the radiator of the automobile can be improved at the same time.

The present application relates to a kind of zigzag damping device for cylindrical hull, including cylindrical hull and three damping box body.Three damping box body is same shape, and it is arranged at the bottom of the side of the cylindrical hull at equal intervals.Damping box body includes rotary box and multiple tooth-shaped box.Rotary box and tooth-shaped box are both shell plate structure, and independent of each other.Tooth-shaped box is closed shell plate structure, not communicated with seawater, inside is empty cabin, not load ballast water.Tooth-shaped box is same shape, horizontal section is arc side trapezoid or arc side triangle, vertical height is same with the vertical height of the outside of rotary box, convenient to be welded on the outside of rotary box.Tooth-shaped box and rotary box are independent of each other, and the welding strength between tooth-shaped box and rotary box is lower than the welding strength between rotary box and cylindrical hull, and the damage or drop of single or multiple tooth-shaped box will not cause greater influence to the stability, safety etc.of cylindrical FPSO.

A kind of thin-walled cone barrel shape correcting device, it contains heating furnace for heating, still contain graphite mould, pressure disc and telescopic device;The graphite mould corresponding to the inner hole of standard thin-walled cone barrel workpiece is equipped in the heating furnace, the pressure disc larger than the thin-walled cone barrel workpiece is equipped above graphite mould, the telescopic device for pushing pressure disc is equipped in the top of heating furnace;The telescopic device contains cylinder body, the cylinder body is fastened and connected with the top of heating furnace, the mandrel with bottom extending from cylinder body is slidably fitted in the inner cavity of cylinder body, the sealing ring is arranged between the mandrel shaft and the inner cavity of cylinder body, the water injection pipeline extending from heating furnace is communicated with the top of cylinder body;The present application has simple structure and low production cost;The thin-walled cone barrel workpiece to be corrected is heated to 750~850 DEG C by heating furnace, then the thin-walled cone barrel workpiece is corrected, effectively solve the phenomenon of thin-walled cone barrel workpiece accidental tearing in the process of correction.

The invention discloses a pipeline shield construction method, a pipeline and pipeline shield construction equipment. The pipeline shield construction method comprises the steps that a shield cutter head assembly is arranged in a starting well; releasing the strip to enable the strip to enter a starting well; winding the strip to enable the strip to be in a column spiral shape; connecting the wound strip into a barrel shape to form a pipeline main body which is gradually lengthened; driving the shield cutter head assembly to form a tunnel; and the pipeline main body is rotated, and the pipeline main body and the shield cutter head assembly are moved together, so that the pipeline main body is screwed into the tunnel. According to the pipeline shield construction method, the pipeline and the pipeline shield construction equipment, the pipeline construction efficiency can be improved.

The invention discloses a heat exchanger machining process and a heat exchanger. The heat exchanger machining process comprises the following steps that B1, a heat channel is provided, and the heat channel is in a barrel shape with at least two openings; b2, a clamp and a heat pipe are provided, the clamp comprises a clamp body, a clamp groove and a pipe groove, the clamp groove and the pipe groove are formed in the clamp body, and the clamp groove is communicated with the pipe groove; b3, the heat pipe is partially clamped in the pipe groove; b4, the clamp and the heat pipe are assembled in the heat channel, so that the cylinder wall of the heat channel is embedded into the clamping groove, and the heat pipe is wound on the outer wall of the heat channel; b5, a welding wire is placed between the heat pipe and the heat channel; b6, the whole is heated till the welding wire is molten; b7, cooling the whole; and B8, the clamp is dismantled. Compared with the prior art, pre-fixed spot welding is omitted, and the formed heat exchanger is uniform in structure, longer in service life and higher in structural strength.

The invention discloses an automatic forming machine for iron bucket body production, and relates to the field of iron bucket production, the automatic forming machine comprises a forming machine body, the top of the forming machine body is rotatably connected with an inner cylinder shaping column, and the outer wall of the inner cylinder shaping column is movably connected with an adjustable petal die assembly; auxiliary positioning assemblies are symmetrically and rotationally connected into inner cavities in the two sides of the inner barrel shaping column, a positioning groove is formed in the top of the forming machine body, positioning blocks are symmetrically and movably connected to the bottoms of the two sides of the adjustable petal mold assembly, a movable groove is formed in the top of the forming machine body, and a first conical push plate is installed at the bottom of the adjustable petal mold assembly. According to the automatic forming machine for iron drum body production, when the inner barrel shaping columns and the adjustable petal mold assemblies conduct forming work on a large-diameter iron drum body, the inner wall and the outer wall can be well supported, when welding and welding seam pressing are conducted on the iron drum body, stress can be evenly dispersed, and therefore the welding quality of the iron drum body is improved. And the phenomenon of retraction during forming can be avoided.

A tooling for injecting a polymer resin into a fibrous preform for the manufacture of a revolution part in composite material including a barrel shape with an inside diameter of smaller diameter delimiting the revolution part into an upstream portion and a downstream portion of the inside diameter, the upstream portion including a back-draft intermediate portion, injection tooling wherein, to allow a demolding of the barrel-shaped part once the injection and the polymerization of the polymer resin are carried out, the injection tooling includes on the one hand a frustoconical drum comprising a first drum portion in direct contact with an inner surface of the portion of the revolution part downstream of the inside diameter and a second drum portion and on the other hand a segmented insert whose outer surface matches an inner surface of the portion of the revolution part upstream of the inside diameter.

The utility model relates to the technical field of valves, and discloses a clamping sleeve and a soft sealing plug valve, the clamping sleeve comprises a clamping sleeve body, the clamping sleeve body is in a conical barrel shape, two installation windows are arranged on the clamping sleeve body, and the two installation windows are arranged on the two opposite sides of the clamping sleeve body; a plurality of exhaust holes are formed in the clamping sleeve body and located between the two installation windows. Two installation windows are arranged on a cutting sleeve body, the cutting sleeve is fixed to a protruding lip edge of an inlet and an outlet of a valve body in the soft sealing plug valve, and the two installation windows are used for being communicated with a flow channel in the valve body. Due to the fact that the multiple exhaust holes are formed in the clamping sleeve body, after the clamping sleeve is installed on a valve body in the soft sealing plug valve, the multiple exhaust holes are communicated with a cavity between the clamping sleeve and the valve body, the multiple exhaust holes are used for exhausting air in the cavity, the attaching performance of the clamping sleeve and the valve body is guaranteed, and then the sealing effect is guaranteed.