626 results about "Tube forming" patented technology

The invention provides a method for preparing a single-material VMPE recoverable hose through dynamic temperature control multi-layer co-extrusion. The method comprises the steps that infrared temperature measurement modules are installed on all sections of an extruder respectively to construct a dynamic temperature control system; feeding the pretreated raw materials into a corresponding extruder, and adjusting a heating device and a cooling device of a charging barrel of the extruder in real time according to a preset extrusion temperature allowable range through a dynamic temperature control system to obtain a plasticized melt; carrying out bonding treatment on the plasticized melt by utilizing an ultrasonic vibration composite technology to obtain a multi-layer reinforced melt; detecting the thickness of the pipe wall of the multi-layer reinforced melt through a hyperspectral imager and judging whether the thickness of the pipe wall is qualified or not; if not, pipe wall thickness deviation data are fed back to a dynamic temperature control system and an extruder control system to conduct linkage adjustment on extrusion parameters; and if the multi-layer reinforced melt is qualified, cooling shaping and fixed-length cutting treatment are conducted on the multi-layer reinforced melt, the finished recoverable hose is obtained, and the hose forming precision and the recovery performance are effectively improved.

The invention discloses a special-shaped pipe forming compensation method and system based on digital twinning, and belongs to the technical field of computer-aided manufacturing and intelligent control. The method comprises the steps that multi-source sensing data in the special-shaped pipe forming process is obtained, and time-space fusion processing is executed; generating a time-space aligned multi-source sensing data set, carrying out dynamic calibration on the parameterized virtual digital twin, generating a calibrated virtual digital twin, carrying out simulation calculation on the forming process of the special pipe in a future time window, outputting predicted deviation data, and combining with a preset compensation strategy to generate a compensation instruction through logical judgment and calculation; and obtaining an adjustment result after the compensation instruction is applied, and updating the compensation strategy by using a reinforcement learning algorithm. According to the method, prospective simulation prediction is carried out by constructing the dynamically calibrated virtual digital twins, closed-loop optimization is carried out on a compensation strategy by utilizing a reinforcement learning algorithm, and active, high-precision and self-adaptive compensation control on the special pipe forming process can be realized.

The utility model relates to the technical field of fishing pole processing, in particular to carbon fishing pole reel pipe forming equipment which comprises a supporting seat, guide rails, moving blocks, a moving plate, an air cylinder, a fixing plate and a pressing plate, the guide rails are installed on the two sides of the supporting seat, the moving blocks are arranged on the guide rails in a sliding mode, and the moving plate is fixedly connected between the two moving blocks. Air cylinders are installed on the two sides of the supporting base, output shafts of the two air cylinders are jointly and fixedly connected with a fixed plate, and a pressing plate is installed on the side, close to the movable plate, of the fixed plate. When the carbon fishing rod is wound, the iron core is clamped through the clamping blocks, the iron core is prevented from moving in the winding process of the carbon fiber cloth, and therefore it is guaranteed that the carbon fiber cloth is evenly wound around the iron core.

The invention discloses a multi-hole extrusion micro-channel flat pipe mold and a preparation method thereof, and relates to the technical field of micro-channel flat pipe molds, the multi-hole extrusion micro-channel flat pipe mold comprises a foundation bottom plate, two fixing side plates are arranged on the upper surface of the foundation bottom plate, a mold mechanism is further arranged on the upper surface of the foundation bottom plate, and the mold mechanism comprises a sliding assembly and a forming assembly; the sliding assembly comprises a sliding bottom plate, the sliding bottom plate is arranged on the upper surface of the foundation bottom plate, a sliding groove facilitating sliding of the sliding bottom plate is formed in the upper surface of the foundation bottom plate, the forming assembly comprises an auxiliary mounting frame and a main mounting frame, and the auxiliary mounting frame is fixedly mounted on the upper surface of a sliding auxiliary plate. By arranging the mold mechanism, efficient assembly and disassembly of the mold are achieved, the working efficiency before and after use is improved, the problem that flat pipe forming is unstable due to residual metal in the mold is solved, and the production quality is improved.

The utility model discloses a hump pipe forming machine, which relates to the technical field of hump pipe processing, solves the problem that the processing precision is influenced because the existing hump pipe forming die is not provided with a clamping mechanism, and specifically comprises a plurality of clamping pieces, a plurality of petal dies, wherein the plurality of petal dies are arranged; clamping the push mold; the pushing and pressing mechanism is in driving connection with the clamping pushing mold; the jacking mechanism comprises a jacking rod capable of moving up and down; the rotary driving mechanism comprises a rotatable chain wheel, a square hole matched with the prism part is formed in the middle of the chain wheel, and the prism part at the lower end of the ejector rod penetrates through the square hole and extends outwards. The clamping push die is jacked upwards through the pushing and pressing mechanism, the clamping push die is in conical surface fit with the multiple clamping pieces, the multiple clamping pieces contract towards the middle under the action of the clamping push die, so that a steel pipe is clamped, diameter expansion and hump machining can be completed without cooperation of an auxiliary clamping mechanism, the structure is simple, operation is convenient, and the machining efficiency is high. And meanwhile, the requirement for machining hump pipes of various lengths can be met.

The present invention relates to the technical field of automotive part forming, and specifically discloses a stamping and welding process for a closed torsion beam longitudinal arm. S1. Drawing: Form a partial product profile of the longitudinal arm by means of stamping and drawing; S2. Trimming: Remove the redundant material, and at the same time stamp an oblique angle on the edge of the sheet metal; S3. Stamping and flanging; S4. Final stamping forming: Use a final forming die to directly stamp and close the free end of the product with a U-shaped cross-section. The final forming die includes an upper die and a lower die. The lower die is in concave-convex fit with the drawing part of the product. A cavity matching the shape of the designed product is provided on the upper die. Guide inclined surfaces are provided on both sides of the cross-section of the cavity of the upper die. During the die closing process of the final forming die, the oblique angle at the free end of the product automatically moves along the edge of the cavity of the upper die until the free end is closed at the top of the cavity; S5. Welding: Weld at the closed position of the product. This solution is used to solve the problem of low forming efficiency of the longitudinal arm existing in the current method of forming the longitudinal arm by means of tube rolling.

The invention belongs to the technical field of blow molding production equipment, and relates to a high-speed rotary multi-mold blow molding production line. Comprising an automatic feeding mechanism, a heating feeding mechanism, a material pipe forming die head, a material pipe cutting and sealing mechanism, a multi-station forming mechanism, a part taking mechanical arm, a formed part lower part material edge removing mechanism and a formed part upper part material edge removing mechanism which are sequentially connected according to production procedures. The multi-station forming mechanism comprises a rotary table base, a rotary table, a plurality of groups of mold closing devices, a plurality of groups of air blowing devices, a rotary table driving mechanism, a mold closing device radial movement driving mechanism and a water-gas-electricity-oil integrated supply device; a plurality of mold combination devices are uniformly distributed on the circumference of the upper end of the rotary table bottom plate; a group of blowing devices is mounted at the lower end of the rotary table top plate corresponding to the upper part of each mold combination device; the water-gas-electricity-oil integrated supply device is installed in the center of the rotary table in a columnar mode and used for supplying water, electricity, oil and gas to the rotary part of the multi-station forming mechanism. According to the invention, high-efficiency and high-quality production of blow-molded parts is realized.

The utility model discloses a stainless steel pipe bending forming machine which comprises a main body mechanism and a feeding mechanism. The main body mechanism comprises a base, a positive conical bending wheel rotationally mounted at the top end of the base, a rotating seat rotationally connected to the base in a sleeving manner, an inverted conical rolling wheel rotationally arranged at the top end of the rotating seat, a driving piece mounted on one side of the base and a toothed belt with one end connected to the rotating seat in a sleeving manner and the other end connected to the driving piece in a sleeving manner; the base is used for installing other assemblies, the regular-cone-shaped bending wheel is rotationally arranged at the top end of the base, the surface of the regular-cone-shaped bending wheel is provided with a plurality of annular first bending grooves in an array mode, the bending wheel is designed in a regular-cone shape, and when steel pipes with different radiuses are bent, only the steel pipes need to be embedded into the first bending grooves in different positions of the regular-cone-shaped bending wheel, and the steel pipes can be bent. The smaller the bending radius of the first bending groove, close to the top end, of the regular conical bending wheel is, the larger the bending radius of the first bending groove, close to the bottom end, of the regular conical bending wheel is, and the stainless steel pipe bending forming machine has the advantages of being high in bending efficiency and practicability.

The utility model provides a steel pipe forming production line. The problem that an existing high-frequency straight seam welded steel pipe is low in finished product rate when welded to an ultra-thin-wall steel pipe is solved. The device comprises a forming device, a welding device and a shaping device which are sequentially arranged along the machining procedure, the moving path of the steel comprises an ascending section, a welding section and a descending section, the ascending section is the moving path of the steel at the forming device, the welding section is the moving path of the steel at the welding device, and the descending section is the moving path of the steel at the descending section. The descending section is a moving path of the steel between the welding device and the shaping device, the ascending section gradually inclines upwards in the moving direction of the steel, the descending section gradually inclines downwards in the moving direction of the steel, in the whole machining process, the steel pipe is always in a tensioned state, and the welding quality is good.

The invention provides a bending device and method for a coiled pipe of a heat exchanger, the coiled pipe of the heat exchanger is decomposed, and the whole structure is decomposed into a body spiral part and bent parts at the two ends; a spiral bending device is designed, and the spiral part of the coiled pipe body is bent; a pipe end bending device is designed, and the pipe end part of the coiled pipe is bent; the spiral bending device comprises a pipe bending unit, an inlet and outlet angle control unit and a screw pitch control unit, the pipe bending unit is used for bending the spiral part of the coiled pipe body, the inlet and outlet angle control unit is used for controlling the forming angles of the bent parts at the two ends of the coiled pipe, and the screw pitch control unit is used for controlling the screw pitch of the spiral part of the coiled pipe body. The bending device is adopted to solve the problems that heat exchanger coiled pipes of different specifications, pipe types and lengths are difficult to form, filler in an inner cavity is difficult to clean, the manufacturing test period of a special mold is long, and the forming precision of the coiled pipes is poor.

The invention relates to an extra-thick-wall square and rectangular pipe production line and a production process thereof, and belongs to the field of hot-rolled steel pipe rolling equipment in the ferrous metallurgical industry. Comprising a steel pipe feeding rack used for feeding pierced billets; the heating device is used for heating the pierced billet, so that the pierced billet can deform; the diameter reducing unit is used for performing diameter reducing rolling on the heated pierced billet to change the diameter of the pierced billet and the thickness of the wall of the pierced billet; and the square and rectangular pipe forming rack is used for carrying out forming rolling on the pierced billets subjected to diameter reduction, so that the pierced billets form the square and rectangular pipes. An existing hot-rolling seamless steel pipe production line or an existing seamless steel pipe is utilized, a round-to-square forming rack is additionally arranged behind a sizing and reducing mill, and a round-section steel pipe is gradually changed into an arc-side-length-section steel pipe and finally changed into a square-rectangular-section steel pipe. The method solves the problems that an existing hot rolling process is difficult to mold the extra-thick-wall square and rectangular pipe, and the corner arc radius cannot reach the standard, and the seamless steel pipe can still be produced when the production line does not produce the square and rectangular pipe, so that the production cost of the extra-thick-wall square and rectangular pipe is greatly reduced.

The invention relates to the technical field of tetrafluoroethylene straight pipe forming, in particular to a steel lining polytetrafluoroethylene straight pipe isobaric forming device and method.The steel lining polytetrafluoroethylene straight pipe isobaric forming device comprises a machining pipe frame, the outer surface of the center of the machining pipe frame is sleeved with a center sleeve base, and a center frame is arranged in the center of the machining pipe frame; first air uniformizing valves are arranged at the four corners of the side face of the center frame, air uniformizing angle seats are fixedly connected to the four corners of the side face of the machining pipe frame, limiting ring seats are fixedly connected to the two ends of the machining pipe frame, and an annular air bag sleeve is arranged on the inner wall of the machining pipe frame. According to the equipment, through the arrangement of the machining pipe frame, the first connecting base, the second connecting base and the electric push rod, the equipment can conduct more efficient isostatic pressing forming on the steel lining polytetrafluoroethylene straight pipe, in the actual use process, a worker firstly places the straight pipe needing to be lined with polytetrafluoroethylene into the machining pipe frame, and then the straight pipe needing to be lined with polytetrafluoroethylene is placed into the machining pipe frame; and then the upper polytetrafluoroethylene plate and the lower polytetrafluoroethylene plate which are in arc-shaped butt joint are inserted into the second butt joint seat.

The invention provides a hollow pipe fitting forming device and method. The hollow pipe fitting forming device comprises a heating mechanism, a bulging quenching mold and an air source mechanism. The heating mechanism comprises a roller hearth furnace provided with a conveying roller way, a furnace body is sequentially provided with a feeding isolation chamber, a heating chamber and a discharging isolation chamber in the length direction, all the chambers are isolated from one another and communicated with a protective atmosphere system, and the chambers are used for introducing dry air or inert gas into the furnace body and maintaining the dew point temperature below-15 DEG C; hydrogen adsorption on the surface of the hollow pipe blank is effectively inhibited, and the hydrogen embrittlement risk is reduced. After a pipe blank is heated at a high temperature, austenitizing of a material structure is achieved, then the pipe blank is rapidly transferred to a bulging quenching die, gas expansion deformation occurs in a die cavity under the action of set air pressure, the hollow pipe fitting is formed by attaching the die wall, meanwhile, the hollow pipe fitting attached to the die cavity is synchronously cooled through a cooling assembly in the die, and quenching treatment is achieved. The material structure is converted into martensite, and the mechanical property of a formed part is improved.

The invention relates to a special-shaped pipe forming device, and belongs to the technical field of metal pipe machining.The special-shaped pipe forming device comprises a workbench, a rotating motor, a sliding rail, a sliding base, a fixing base, a threaded shaft, two clamping mechanisms and an expansion mechanism. And the expansion mechanism can be expanded outwards to change the shape of the circular tube through the forward-rotating thread section and the backward-rotating thread section of the thread shaft. The special-shaped pipe forming device has multiple working modes and is rich in function and simple in structure, the technical requirement is lowered, when the expansion mechanism expands outwards through the forward-rotating thread section and the reverse-rotating thread section of the threaded shaft, one end of the threaded shaft is suspended, a round pipe can be conveniently installed, and the formed special-shaped pipe can be conveniently taken down; and the working efficiency is effectively improved.

The utility model relates to the technical field of die equipment, in particular to a packing pipe forming die and a packing pipe, the packing pipe forming die comprises a fixed die, a movable die and a bottom die, the fixed die and the movable die are respectively provided with a forming cavity, the forming cavities are respectively provided with a reinforcing rib cavity, and the reinforcing rib cavities are arranged on the bottom die. The fixed mold is provided with an injection molding runner for injection molding into the fixed mold, and the bottom mold is connected with external lifting equipment and is used for being connected with the bottom of the fixed mold and the bottom of the movable mold, so that the bottom of the forming cavity is blocked. The movable mold is driven by external driving equipment to be assembled with the fixed mold, the bottom mold is in butt joint with the bottom of the fixed mold and the bottom of the movable mold under the action of external lifting equipment, so that a forming cavity of the fixed mold and a forming cavity of the movable mold are closed to form a closed injection molding cavity, and injection molding is conducted in the forming cavity through an injection molding runner on the fixed mold. Therefore, the packaging pipe with a tubular structure and a reinforcing rib cavity shape is formed, the packaging pipe is provided with reinforcing ribs, and the structural strength of the packaging pipe is improved.

The invention discloses a heat insulation and heat preservation composite pipe forming device, and relates to the technical field of pipeline forming. The heat insulation and heat preservation composite pipe forming device comprises an inner pipe extrusion die, a heat preservation layer extrusion die, a blind hole forming mechanism and an outer skin extrusion die which are sequentially arranged. The inner pipe extrusion die is used for extruding an inner pipe, the heat preservation layer extrusion die is used for extruding a heat preservation layer and wrapping the outer surface of the inner pipe, the blind hole forming mechanism is used for punching an inner wall filling blind hole in the heat preservation layer when the heat preservation layer is not shaped, and the outer skin extrusion die is used for extruding an outer skin layer, wrapping the outer surface of the inner pipe and filling the filling blind hole. According to the heat insulation and heat preservation composite pipe forming device, due to the fact that the blind hole forming mechanism is arranged, the formed heat insulation and heat preservation composite pipe can form the filling blind hole in the heat preservation layer, the filling blind hole is filled with high-density polyethylene, and therefore the situation that an outer skin and the heat preservation layer are separated from each other due to the fact that the thermal expansion rates of the outer skin and the heat preservation layer are different is avoided.

The invention discloses a real-time closed-loop regulation and control method and system for the forming process of a stainless steel welded pipe. The method comprises the steps that multi-source heterogeneous data including a pipe shape image, a laser ranging sequence, temperature field distribution and roller pressure time sequence data in the forming process are synchronously collected through a distributed multi-source sensor network; performing space-time alignment and feature level fusion on the multi-source heterogeneous data, and constructing a multi-dimensional dynamic digital twinborn body in the forming process; on the basis of the multi-dimensional dynamic digital twins, an online rolling prediction model is adopted to deduce the development trend of weld forming quality and pipe diameter size deviation in real time; and according to the development trend, a cooperative regulation and control instruction set of the roller gap and the welding power is generated through a self-adaptive fuzzy inference system. By means of the embodiment of the invention, multivariable look-ahead perception and intelligent collaborative closed-loop regulation and control of technological parameters in the stainless steel welded pipe forming process can be achieved, and the stability and consistency of the forming quality are improved.

The utility model is applicable to the technical field of dies, and provides a grinding pipe forming die, which comprises a die main body, a fixing device and a hole shaping block, and an outer die sleeve and an inner die sleeve are respectively and fixedly connected above a base; the lower part of the upper cover body is fixedly connected with a compaction pipe matched with the forming cavity; a first supporting block is in sliding connection with the interior of the first through hole in a matched manner; the inner side face of the first supporting block is a curved face matched with the inner side face of the outer die sleeve. The fixing frame is fixedly connected with the outer die sleeve; the fixing frame is fixedly connected with an adjusting nut; the adjusting bolt is rotationally connected with the first supporting block; the adjusting bolt is matched with the adjusting nut; a first supporting hole is formed in the outer side of the hole shaping block; and the first supporting hole is matched with the first supporting block, so that the grinding pipe with two discharging structures can be produced, and a specified discharging hole diameter can be formed in a blank forming stage of the grinding pipe by replacing the hole shaping block.

The invention discloses a forming device and glass production equipment, and relates to the technical field of glass production. The forming device comprises a discharging channel, a temperature equalizing mechanism and a forming hopper. A discharging pipe is arranged at the bottom of the discharging channel, a receiving pipe is arranged at the top of the forming hopper, and one end of the discharging pipe extends into the receiving pipe; the temperature equalizing mechanism comprises a temperature equalizing barrel, the temperature equalizing barrel is arranged outside the discharging pipe and the material receiving pipe in a sleeving mode at the same time, the inner wall of the temperature equalizing barrel, the discharging pipe and the material receiving pipe are arranged at intervals at the same time, a plurality of inner protruding sections are arranged on the inner wall of the temperature equalizing barrel in the circumferential direction at intervals, the multiple inner protruding sections jointly surround the discharging pipe and the material receiving pipe, and the inner protruding sections extend in the axial direction of the temperature equalizing barrel; and the inner convex section is used for reflecting heat radiated by the glass melt. The forming device provided by the invention can effectively reduce the heat loss in the process that the glass melt flows from the discharging channel to the forming hopper, improve the flowability of the glass melt, improve the flowing stability of the glass melt and ensure the pull-down forming quality.

The utility model relates to a kind of pipe forming device, it includes shell, sleeve located in shell and plug rod located in sleeve, sleeve includes first circumferential wall portion, second circumferential wall portion and third circumferential wall portion between first circumferential wall portion and second circumferential wall portion and connect the two along the longitudinal axis of pipe forming device, first circumferential wall portion has constant first diameter, second circumferential wall portion has constant second diameter smaller than first diameter, the diameter of third circumferential wall portion gradually reduces from first diameter to second diameter along the longitudinal axis of pipe forming device.

The invention discloses a novel composite pipe forming process, and relates to the technical field of metal material machining, and a composite pipe comprises an inner pipe made of a first metal material; the outer pipe is made of a second metal material, and the second metal material is different from the first metal material; the composite interface agent layer is arranged between the inner pipe and the outer pipe and is formed by compounding high-molecular anaerobic adhesive and high-temperature brazing filler metal; the composite interface agent layer is evenly distributed between the inner pipe and the outer pipe, the thickness of the composite interface agent layer ranges from 0.01 mm to 0.5 mm, and tight connection of the inner pipe and the outer pipe is achieved through a specific manufacturing process. By adopting the high-molecular anaerobic adhesive and the high-temperature brazing material as a composite interface agent and combining an innovative manufacturing process and a drawing process, the connecting strength and the high-temperature resistance between the inner pipe and the outer pipe are remarkably improved, the manufacturing cost is reduced, the production process is simplified, and the high-temperature-resistant composite pipe can be widely applied to various fields and replace part of traditional welding processes; good practicability and market potential are realized.

This application relates to an automatic processing device for Bourdon tubes, comprising a base, a forming column fixed to the base, a bending mechanism for deforming a straight tube, and a cutting mechanism for cutting the straight tube. The forming column is further provided with a lifting mechanism for moving the Bourdon tube upwards. The lifting mechanism includes several lifting blocks slidably disposed on the outer wall of the forming column and a sliding rod coaxially passing through the forming column. The upper end of each lifting block abuts against the lower end of the Bourdon tube, and one end of each lifting block extends into the forming column and is fixed to the sliding rod. The upper end of the sliding rod is positioned above the upper surface of the forming column. After the bending mechanism shapes the Bourdon tube and the cutting mechanism separates the Bourdon tube from the straight tube, the lifting blocks apply force to the Bourdon tube, thereby moving it upwards to above the forming column, whereby the Bourdon tube can be directly grasped and unloaded.

The utility model discloses a refrigerator condenser pipe forming device. The end frame assembly comprises an end frame for placing one end part of the pipe fitting; the forming assembly is arranged at one end of the end frame assembly and comprises a first linear mechanism, a pair of vertical second linear mechanisms and a pipe groove used for containing pipe fittings are arranged at the sliding end of the first linear mechanism, a limiting column is arranged on one side of the upper end of an output shaft of each second linear mechanism, a pressing plate is arranged at the upper end of each pipe groove, and a third linear mechanism is arranged at the upper end of each pressing plate. A fourth linear mechanism is vertically arranged at the sliding end of the third linear mechanism, a rotating motor is vertically arranged on one side of the output end of the fourth linear mechanism, when the pipe fitting is bent every time, the third linear mechanism enables the axis of the rotating motor to be coaxial with the axes of the two limiting columns alternately, a rotating plate is arranged on one side of the lower end of an output shaft of the rotating motor, and a pressing block is arranged below one end of the rotating plate. According to the refrigerator condenser pipe forming device, pipe fittings can be automatically and continuously bent, and the production efficiency and the forming accuracy of the condenser pipe are improved.

The utility model discloses a roll paper tube machine which comprises a paper tube forming mechanism and an unwinding mechanism used for unwinding first roll paper and second roll paper respectively, and the first roll paper and the second roll paper are wound on a winding shaft of the paper tube forming mechanism and formed into a paper tube. A cutting device used for cutting the formed paper tubes is arranged on the discharging side of the paper tube forming mechanism. A gluing mechanism used for completing glue coating on the first roll paper and a width limiting device used for limiting the glue coating width are sequentially arranged along the unwinding path of the first roll paper. According to the structure, the coating width of glue is limited through the width limiting device, the use amount of the glue is reduced, the cost is reduced, and convenience is brought to subsequent winding and tearing of the composite paper tube; particularly, a plurality of notches are formed in the scraper at intervals, a plurality of adhesive coating tapes are defined through the notches, uniform and stable pasting is ensured, the structure is high in practicability, and market requirements are met.

The invention relates to the technical field of forming of ultra-thin-wall welded pipes, in particular to a forming unit and a forming method of ultra-thin-wall welded pipes, which comprises a rack body and a plurality of groups of vertical forming rollers and transverse forming rollers which are mounted above the rack body and are used for roll forming of welded pipe bodies, a welded pipe body with an extremely thin wall is arranged between the corresponding vertical forming roller and the transverse forming roller, and a supporting frame is installed on the upper portion of the left side of the rack body. According to the forming unit and method for the ultra-thin-wall welded pipe, the inner side wall of the welded pipe body can be expanded and limited through the two cage type stabilizing mechanisms, meanwhile, the transverse forming rollers and the vertical forming rollers at the corresponding positions conduct rolling limiting on the outer side face of the welded pipe body, and therefore the constraint deviation rectifying effect on the welded pipe body with the small wall thickness is improved; radial vibration and transverse deviation of the welded pipe body in the high-frequency welding process can be avoided, and deviation of the roundness of the welded and formed ultra-thin-wall welded pipe body is avoided.

The present application relates to copper pipe processing technical field, specifically to a kind of copper pipe red punch hot forging processing equipment, including feeding module, feeding module and processing module, the feeding module includes L-shaped mounting plate, with the top connection of the L-shaped mounting plate intermediate frequency furnace, with the top connection of the intermediate frequency furnace mechanical hand, install in the front side of the L-shaped mounting plate transverse plate, with the top connection of the transverse plate first U-shaped plate.The copper pipe heated in the intermediate frequency furnace in the present application is caught after being caught by the receiving plate, will be by cylinder cooperation limit board, copper pipe is continuously pressed into the material frame, then this period, the articulated plate in rotation makes T-shaped slide plate translation, then T-shaped slide plate moves with push rod, push rod is pressed into mould with the copper pipe in the material frame, under the action of pressure, copper pipe is formed in mould, copper pipe forming step is smooth, silky, the forming time of single copper pipe can be controlled in 30 seconds, effectively improve copper pipe processing efficiency.

The utility model discloses forming equipment for plastic packaging products, and relates to the technical field of plastic packaging products. The forming die comprises a lower forming die and an upper forming die, a feeding pipe is fixedly connected to the middle of the top face of the upper forming die in a penetrating mode, a sealing ring is fixedly connected to the bottom face of the upper forming die, a sealing groove is formed in the top face of the lower forming die, the sealing ring corresponds to and is matched with the sealing groove, and a column body is arranged on the outer side of the upper forming die. A vertical pipe is arranged in the middle of the outer side of the lower forming die, a vacuum pump and an air pump are arranged on the lower portion of the outer side of the lower forming die, the vertical pipe is matched with the working end of the vacuum pump and the working end of the air pump, a second communicating head is fixedly connected to the top end of the vertical pipe, and a vacuumizing pipe is fixedly connected to one end of the second communicating head. One end of the vacuumizing pipe extends into a die opening of the forming lower die; according to the utility model, the product forming effect is good, and the demolding is convenient.

A shock-absorbing device may comprise: a block configured to have a vertically through-hole and a first flow path and a second flow path; a first tube configured to extend vertically as it passes through the through-hole and having a penetrating portion that passes through both inner and outer circumferential surfaces on a portion extending below the block; a piston assembly configured to perform a compression stroke or a compression stroke, comprising a piston valve arranged in the first tube, the piston valve dividing the first tube into a compression chamber on an upper side and a compression chamber on a lower side, and a piston rod coupled to the piston valve;a second tube arranged to surround a portion of the first tube extending below the block, the second tube forming a first intermediate chamber connecting the pressure chamber to the first flow path between the second tube and the first tube; and a third tube arranged to surround a portion of the first tube extending above the block, the third tube forming a second intermediate chamber connecting the tension chamber to the second flow path between the third tube and the first tube.

The present application relates to the technical field of corrugated pipe forming equipment, and in particular to a drainage corrugated pipe extrusion manufacturing equipment and a method for detecting the length of the corrugated pipe. In the first aspect, a drainage corrugated pipe extrusion manufacturing equipment comprises a frame; a traction mechanism fixed on the frame, the traction mechanism comprises an upper guide wheel and a lower guide wheel, the upper guide wheel and the lower guide wheel are arranged opposite each other up and down, and a pipe passing gap is left between the two, an elastic module is provided between the upper guide wheel and the lower guide wheel, and the pipe blank passes through the pipe passing gap; a separating mechanism fixed on the frame and distributed at the output end of the traction mechanism; a quality inspection mechanism fixed on the frame and distributed at the output end of the separating mechanism. In the second aspect, a method for detecting the length of the corrugated pipe is provided, and the length of the corrugated pipe is detected by applying the drainage corrugated pipe extrusion manufacturing equipment, comprising the steps of: feeding; cutting; initializing the pipe blank origin; measuring the length; and sorting out good and defective products. The present application can improve the degree of automation in screening the length of the corrugated pipe.

The application discloses a quick demolding device for pipe jacking production and relates to pipe making and forming production equipment of a concrete structure pipeline, which comprises a demolding workbench and a mold. The demolding workbench is sequentially provided with a demolding position for an outer mold and a demolding position for an inner mold from left to right. The mold comprises the outer mold and the inner mold. A rack for conveying the mold is arranged above the demolding workbench. The rack is detachably connected with the top of the inner mold. The demolding position for the outer mold is provided with an outer mold demolding rotary platform. An oiling assembly is arranged in the outer mold demolding rotary platform. The demolding position for the inner mold is provided with an inner mold demolding rotary platform. A clamping and conveying mechanism is installed at a position corresponding to the demolding position for the inner mold on the right side of the demolding workbench. The demolding of the outer mold and the cleaning and oiling of the outer mold are continuously carried out, thereby reducing the operation and the operation time. Moreover, the concrete pipe after the demolding of the outer mold will not be unstable under the support of the inner mold. The demolding and the conveying are simultaneously carried out, thereby improving the efficiency.