7717 results about "Moulding device" patented technology

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

The invention belongs to the technical field of waste resource recycling, and particularly relates to a waste resource recycling plastic product manufacturing and forming device which comprises a base, an injection mechanism used for plastic plasticizing and moving is arranged at the top of the base, and a first feeding hopper is arranged at the top of the injection mechanism; a mold closing mechanism connected with a discharging port of the injection mechanism is arranged at the top of the base and used for conducting pressing molding on molten plastic, a treatment box is arranged at the position, located on one side of the injection mechanism, of the top of the base, and a smashing mechanism used for smashing waste resources is arranged in the treatment box; the two driving crushing cutters are driven by the first motor to synchronously and relatively rotate, and then are matched with the fixed crushing cutter to crush waste plastics; according to the waste plastic crushing and cleaning device, multiple functions of crushing, screening, cleaning, drying and the like can be ingeniously integrated, the crushing effect and efficiency of waste plastic are improved, and the powder cleaning effect and the powder quality are also improved.

The invention relates to the technical field of sealing element production, in particular to a multi-layer composite sealing element forming device and process, the device comprises a fixed mold platform and a movable mold platform, the fixed mold platform is provided with a lower mold, the movable mold platform is provided with a movable plate, the movable plate is provided with an upper mold, the fixed mold platform is provided with a suction cup assembly, and the suction cup assembly is provided with a movable block; a frame is arranged at the lower end of one side of the movable block, a plurality of electric suction cups are arranged on the frame, the peripheral walls of the upper ends of the electric suction cups are slidably connected with the frame, a first air cylinder is installed on the top face of the movable block through an installation base, and the bottom face of a piston rod of the first air cylinder penetrates through the movable block and is fixedly connected with the top face of the middle of the frame; the peripheral walls of the upper ends of the guide rods are slidably connected with the moving blocks correspondingly. According to the demolding mechanism, the deformation or damage of the sealing element caused by non-uniform ejection of the ejection mechanism is avoided, the demolding efficiency is improved, the yield and the quality stability of the multi-layer composite sealing element are ensured, and the demolding requirements of the sealing elements with different specifications and requirements are met.

The invention belongs to the technical field of plastic pipe forming and processing, and discloses a forming device for producing PP pipes, which is technically characterized by comprising a workbench, a vertical plate is fixedly mounted on the surface of the workbench, a bearing column is rotatably mounted on the surface of the vertical plate, and a bearing disc is fixedly mounted at one end of the bearing column; a plurality of groups of bearing pipes are rotatably mounted on the surface of the bearing disc, supporting pieces are arranged on the surfaces of the bearing pipes, a positioning mechanism is arranged on the surface of the vertical plate and comprises a rotating assembly, an inertia preventing assembly and an autorotation assembly, a cooling mechanism is arranged on the surface of the vertical plate, and the cooling mechanism comprises an outer spraying assembly and an inner spraying assembly. The problems that at present, only the outer side of a pipeline can be sprayed, the position of the PP pipe cannot be adjusted in the cooling process, and consequently the overall cooling forming efficiency of the PP pipe is low are solved.

The invention discloses a glass bottle blow molding device and a demolding method.The glass bottle blow molding device comprises a blow molding table and a pre-forming mold arranged on the blow molding table and further comprises an air flapping assembly and a triggering mechanism which are both arranged in the blow molding table; an air blowing pipe is further arranged in the pre-forming mold, and a shaping mechanism is arranged on the air blowing pipe. Through mutual cooperation of the blow molding table, the pre-forming mold, the air flapping assembly, the triggering mechanism, the air blowing pipe and the shaping mechanism, the triggering mechanism moves to sequentially trigger the air flapping assembly to rotate and be in butt joint with the pre-forming mold, and the air blowing pipe is matched to enable a blank in the pre-forming mold to form an opening; and after the shaping mechanism is triggered by the triggering mechanism to move upwards to the opening, the shaping mechanism rotates and is gradually unfolded, so that the opening of the ingredient can be shaped, the opening is uniform and smooth, the problem that the thicknesses of bottle openings of glass bottles are inconsistent due to various factors is solved, and the blow molding precision of the glass bottles is improved.

A folded paper cup and bowl manufacturing device, comprising a paper sheet feeding station (33), a cup body folding and forming station (28), a cup and bowl rim oil-dipping station (29), a cup and bowl rim preheating station (30), a cup and bowl rim curling station (31), and a collection station (32) which are linearly arranged. A heating component (38) and / or a gluing component in a paper sheet feeding apparatus disposed at the paper sheet feeding station (33) heats and / or applies glue to a portion of a paper sheet that requires bonding. A cup body folding and forming apparatus disposed at the cup body folding and forming station (28) is provided with an upper forming die (65) and a lower forming die (66) to fold and shape the paper sheet. The cup and bowl rim oil-dipping station (29) is provided with an oil-dipping apparatus. The cup and bowl rim preheating station (30) is provided with a preheating apparatus. A rim curling apparatus disposed at the cup and bowl rim curling station (31) is provided with an upper rim curling die (96) and a lower rim curling die (97) for curling a cup rim. The collection station (32) is provided with a cup receiving apparatus. The linear arrangement of the stations and the corresponding station combination manner optimize the station combination structure. Paper cups and bowls can be folded and formed solely at the folding and forming station. The linear arrangement allows for relatively stable operation, avoiding the complexity of using a rotary station connection configuration.

The invention relates to the technical field of aluminum material forging and pressing, in particular to an aluminum material forging and pressing forming device which comprises a forging and pressing base, a forging and pressing frame is fixedly connected to the top of the forging and pressing base, and a longitudinal adjusting mechanism is fixedly connected to the top of the forging and pressing base; the top of the forging base is fixedly connected with a forging die; the top of the inner wall of the forging frame is fixedly connected with a forging plate; a forging aluminum material is arranged on the inner wall of the forging die; in view of the fact that the aluminum material cannot be accurately placed in the dead center of a die during forging and pressing, if the aluminum material is relatively close to the edge of the die when being placed, the aluminum material cannot completely fill the die, the quality of a produced product is influenced, and in order to avoid the situation that the aluminum material cannot be filled into the die, the aluminum material usually needs to have enough redundancy, so that the production cost is reduced. Due to the fact that whether the aluminum material is located in the center of a die or not cannot be accurately judged, the aluminum material with large redundancy is used during forging and pressing each time, and a large number of raw materials are wasted when the aluminum material is located in the center of the die.

The invention relates to a slotted lining forming device and a slotted lining continuous preparation system and method. The slotted lining forming device comprises a leveling feeding mechanism, a forming mechanism, a forming mechanism and a forming mechanism, wherein the leveling feeding mechanism is provided with a feeding channel; the outer edge rolling forming mechanism comprises an outer edge rolling forming die with a forming groove; the positioning mechanism comprises a male die shaft; the pre-bending mechanism comprises a pre-bending die with a pre-bending arc groove; the pre-bending die can conduct multiple times of extrusion on the strip conveyed to the male die shaft so that the head section of the strip can form a pre-bending arc section. The outer edge rolling forming die can axially move to a preset position after the male die shaft and the pre-bending die are both separated from the middle area, so that the pre-bending arc section of the strip moves along the groove wall of the forming groove, and then the head section of the strip forms a forming arc section. And the cutting and discharging mechanism comprises a cutting knife, and the cutting knife can move downwards and cut off the strip, so that the straight cylinder type slotted lining is obtained. According to the continuous forming device, continuous forming of the slotted linings can be achieved, and the production efficiency is higher.

To provide a perforating and skew rolling integrated forming device for a hollow shaft, the hollow shaft having a compact structure, a small volume, and a stable and reliable rolling performance compared to cross wedge rolling / molding, and being capable of primary forming of train hollow stepped shafts, thus making it highly versatile.SOLUTION: The device includes a base 1, a lifting bar 2, a perforating and rolling component fixed on the base, a stepped shaft rolling component, a support groove 3, and an electrohydraulic push rod 4, wherein the support groove is located on an inlet side of the perforating and rolling component and is used for placing a material 100 to be rolled, the electrohydraulic push rod is used for pushing the material to be rolled into the perforating rolling component, the stepped shaft rolling component is located at an outlet side of the perforating and rolling component, the lifting bar is used to axially penetrate into the material to be rolled in an axial direction to form a central hole, the lifting bar and the electrohydraulic push rod are provided opposite to each other, and the lifting bar is driven by a lifting bar drive mechanism.SELECTED DRAWING: Figure 1

The invention provides an automatic forming device for offshore wind power flange production and a method thereof, and relates to the field of wind power flange production.The automatic forming device comprises an outer shell, a left base, a right base, a placement table, a forging mechanism and a ring rolling mechanism, and the left base and the right base are arranged on the two sides of the inner wall of the bottom of the outer shell correspondingly; a placing table is arranged between the left base and the right base, four sets of positioning mechanisms are distributed on the outer side of the placing table in an annular array mode with the center line of the placing table as the center, and a frame-shaped collecting groove is formed in the outer side of each positioning mechanism; the forging mechanism and the ring rolling mechanism are installed in the same outer shell at the same time, forging and ring rolling are integrally designed, ring rolling work is directly carried out after forging is completed, transferring is not needed, convenience is achieved, meanwhile, the position relation between the forging mechanism and the ring rolling mechanism is fully considered, it is guaranteed that the forging mechanism and the ring rolling mechanism do not conflict in work, and the machining efficiency is improved. And the middle transportation process is reduced, so that the forming rate of the material blank is increased.

The invention discloses a carbon fiber composite material sound barrier forming device, and relates to the technical field of sound barrier forming, the carbon fiber composite material sound barrier forming device comprises a working bottom table and a first supporting column, the first supporting column is fixedly connected to the top surface of the working bottom table, an upper mold is installed on the lower surface of the top end of the first supporting column, a sound insulation barrier is arranged on the working bottom table, and an auxiliary assembly is arranged on the working bottom table; production and forming of the carbon fiber composite material sound barrier are divided into simultaneous operation of four stations with coherent processes, the four stations do not interfere with one another during operation, and the problems that in the traditional hot press forming process, equipment is in an idle state during cooling, demolding and other steps, four stations are adopted for simultaneous operation, and when one station is used for cooling and demolding, the equipment is not in an idle state are solved. Other stations can be used for machining, residue removal or release agent spraying, feeding and other operations, the equipment utilization rate is greatly improved, no obvious intermittency exists in the production process, and therefore more carbon fiber composite material sound barriers can be produced in unit time.

The invention discloses screw type injection molding equipment for injection molding, and relates to the technical field of injection molding devices, the screw type injection molding equipment comprises an injection molding machine and a material pipe, and the top of the material pipe is provided with a conveying mechanism capable of discharging plastic particles; according to the plastic particle stirring device, the spiral blades can do circular motion around the transmission gear through the transmission gear and the connecting plate, dead corners in the charging barrel are reduced, it is ensured that plastic particles in the charging barrel can be fully stirred, meanwhile, through the threaded shape of the spiral blades, the plastic particles can be turned up and down when the spiral blades rotate, and the stirring efficiency is improved. And the plastic particles can be longitudinally shaken while the drying effect of the plastic particles is improved, and the surfaces of the plastic particles are primarily cleaned through shaking.

The utility model relates to the technical field of rotational molding, in particular to a full-automatic rotational molding rotary molding device which comprises a base and a molding device, a lower box body is arranged on the base; the forming device comprises a first mold, a second mold hinged to the first mold, a first fixing block and a second fixing block which are arranged on the first mold and the second mold respectively, a connecting shaft and a clamping block which are arranged on the first fixing block, and a driving assembly for driving the connecting shaft to rotate, and the connecting shaft penetrates through the lower box body and is rotationally connected with the lower box body; the second fixing block is provided with a groove for the clamping block to be embedded. According to the utility model, the structure is simple, the workpiece can be prevented from being adhered to the die cavity, the forming speed of the workpiece can be increased, and the processing efficiency is further improved.

The invention discloses a device and method for forming a longitudinal and transverse stiffened wallboard based on an automatic fiber placement skin, and the method comprises the steps: firstly, preparing the automatic fiber placement skin, transferring a composite T-shaped stringer which is laid on a metal core mold in a net size and is subjected to hot pressing to a wallboard skin formed based on an automatic fiber placement process, a layer of high-temperature adhesive film is laid between the composite T-shaped stringer and the automatic fiber placement skin, the composite T-shaped stringer and the automatic fiber placement skin are fixedly held through positioning holes in a core mold, and high-temperature co-adhesive curing is carried out in an autoclave; and in addition, after a secondary part T-shaped stringer which is paved and cured out of the tank is subjected to trimming of redundant materials such as silt glue and burrs, the cured secondary dry-state ribs are positioned through a positioning clamping plate, a layer of high-temperature glue film is paved between the dry-state ribs and the automatic fiber placement skin, and then the T-shaped stringer enters the tank to be subjected to high-temperature secondary glue joint curing. By means of the metal core mold and the metal positioning clamping plate, the requirement for axis degree deviation of longitudinal and transverse ribs is effectively controlled, and high-quality forming is achieved.

The invention discloses a forming device and a forming method of a high-temperature-resistant low-temperature-resistant high-toughness cable. According to the invention, based on a double-substrate synergistic system of hydrogenated nitrile rubber and polyether type thermoplastic polyurethane, and in combination with a dynamic vulcanization crosslinking technology, the cable keeps excellent flexibility and tear resistance in a wide temperature range of-60 DEG C to 125 DEG C. A three-dimensional reinforced network of nano silicon dioxide and carbon nanotubes is directionally dispersed in a matrix, and mechanical support of aramid short fibers is matched, so that the cable is endowed with bending fatigue resistance, the durability of the drag chain cable in a high-frequency torsion scene of an oil platform exceeds 30 million cycles is realized, and the service life of the drag chain cable is prolonged. The problem of breakage caused by low-temperature embrittlement and high-temperature softening of a traditional cable is fundamentally solved, the synergistic effect of the perfluoropolyether surface modifier and the composite anti-aging system enables the cable to form a stable protective layer in strong acid, strong alkali, salt mist and oil stain environments, and chemical corrosion and ultraviolet irradiation are effectively resisted.

The invention discloses an anti-blocking self-passing type plastic molding device, which relates to the technical field of plastic product processing, and comprises a base station, a screw conveying component and a mold closing component, and a material pipe is fixedly mounted at a feeding hole in the upper part of the screw conveying component. In the working process of the injection molding machine, the driving motor drives the sliding barrel to rotate, through cooperation of the sliding column and the spiral groove, the pushing disc effectively pushes plastic materials in the material pipe, softening and blocking are avoided, meanwhile, the cutting knife is used for refining material particles, the pushing difficulty is reduced, and the production efficiency is improved; materials are screened through cooperation of screening holes and a blocking plate, large or unqualified materials are removed, it is ensured that the granularity of the raw materials is uniform, in the pushing process, a connecting rod and a sealing plate are matched, the interior of a material pipe is sealed after pushing is completed, the material pressure at the screening holes is increased through the double effects of sealing and extruding, and material circulation is promoted; the screening stability and the production quality are improved, and the finished product quality of plastic products is guaranteed.

The utility model discloses a steel mesh forming device, the forming device includes a supporting platform, a welding mechanism, a longitudinal cloth mechanism, a transverse cloth mechanism, the forming device also includes a pulling mechanism, the pulling mechanism includes a pull rod, a driving assembly and a lifting assembly, one end of the pull rod is formed with a hook, the other end of the pull rod is connected to the driving assembly, and the pull rod is tilted relative to the driving assembly so that the hook is raised relative to the other end of the pull rod, and the lifting assembly is connected to the bottom of the pull rod. The longitudinal cloth mechanism includes a positioning assembly and a cloth assembly, the positioning assembly includes a fixed rod and a rotating rod, the fixed rod is connected to a guide rod tilted downward, the rotating rod is connected to a rotating disk, a plurality of bayonet holes are provided on the rotating disk, and the cloth assembly is used to transport the longitudinal steel bars to the bayonet holes.

The invention discloses a plastic product forming device and method which are applied to the technical field of plastic product forming, the plastic product forming device comprises an extrusion mechanism with an extrusion die head, a filling mechanism with a filling needle, a clamp mechanism and a forming die with a head die and a main die, a supporting channel is arranged in the extrusion die head, the filling needle is connected into the supporting channel, and the filling needle is connected into the main die. The filling needle comprises a liquid inlet channel arranged in the center, a gas channel arranged on the periphery of the liquid inlet channel, a cooling water inlet channel and a cooling water return channel, and a liquid outlet of the liquid inlet channel and a gas outlet of the gas channel are formed in the lower end of the filling needle. And the lower ends of the cooling water inlet channel and the cooling water return channel are communicated to form a cooling loop. According to the plastic product forming device and method, the main mold vacuum suction technology and the filling needle blowing technology are combined, and the production requirement for full forming of special bottle types and large-volume bottle types is met.

The invention provides a deep V-shaped ceramic matrix composite component forming device and method. The forming device comprises a bottom die, an outer die and an inner die. The outer die is connected to the bottom die; the inner mold is connected to the bottom mold, and the bottom mold, the outer mold and the inner mold are encircled to form a cavity for forming the deep V-shaped ceramic matrix composite component; wherein the inner die comprises a V-shaped main body die and a plurality of small-section dies connected to the V-shaped main body die, the plurality of small-section dies are arranged in the narrow opening position and are sequentially connected in the length direction, and the plurality of small-section dies are provided with die drawing angles in the length direction. The deep V-shaped ceramic matrix composite component can be formed and prepared, and demolding is convenient.

The utility model discloses a copper wire end torsion head forming device for a flat wire motor stator winding, which relates to the technical field of stator winding forming and comprises a torsion head base, a swing mechanism, a torsion head die, a wire leaning disc, a lower contact pin, a press mounting frame, a lifting electric cylinder, a stator clamping jaw and an upper contact pin. According to the utility model, the copper wire head twisting operation of a stator winding without a straight line segment can be realized, and the problem that pairwise and relatively rotating copper wire paint skins are scratched and damaged in a one-time head twisting forming process is solved; the bare copper part is separated from the paint film of the other copper wire by the distance of the thickness of one paint film, so that the problem that the bare copper scratches the paint leather is avoided; according to actual application detection and comparison, compared with shape comparison after winding forming of other technologies, the distance between a wire leg at the welding spot position and the bottom layer copper wire paint leather can be increased, the lower layer paint leather can be prevented from being scalded by welding heat, paint leather damage caused by light leakage is reduced, and meanwhile the insulation quality is improved.

The invention discloses a vacuum-assisted pultrusion preforming device for a composite material. The vacuum-assisted pultrusion preforming device comprises a yarn threading plate, a gum dipping tank, a gum extruding roller and a vacuum-assisted preforming mold which are sequentially arranged in the pultrusion direction, wherein fiber bundles penetrate through the yarn threading plate in a layered mode, the gum dipping tank is used for containing resin, and the gum extruding roller is used for extruding redundant resin. The vacuum auxiliary preforming mold is provided with a preforming mold cavity, a vacuum cavity is formed in one section of the preforming mold cavity of the vacuum auxiliary preforming mold, an air exhaust hole is formed in the upper portion of the vacuum cavity, and a semi-permeable membrane allowing gas to pass through but blocking resin to pass through is arranged at the air exhaust hole. And the air exhaust hole is externally connected with a vacuumizing device. The vacuum-assisted pultrusion preforming device can effectively discharge microbubbles in resin and fiber bundles, effectively control uniform distribution of the content of the resin and remarkably promote full infiltration of high-viscosity resin to fibers.

The invention relates to the technical field of cable production, and particularly discloses a cable core coating forming device for civil cable production, which comprises a mounting frame, an extrusion assembly for extruding a coating material is arranged on the inner side of the mounting frame, an extrusion barrel is arranged at the bottom of the extrusion assembly, and a cable core penetrates into the extrusion barrel. The left side of the mounting rack is provided with a cooling assembly used for cooling a coating material, and the coating forming device is characterized by further comprising a pretreatment assembly arranged on the right part of the mounting rack, the pretreatment assembly is used for preheating a cable core and cleaning the surface of the cable core, and the pretreatment assembly comprises a frame arranged on the right part of the mounting rack; through cooperation of the structure, warm water generated after heat absorption can be used for preheating a cable core, energy loss during preheating is reduced, meanwhile, dust and impurities attached to the surface of the cable core can be removed through bristles, and the situation that dust affects bonding between the cable core and a coating material is reduced.

The invention discloses a multi-cooling molding method of a PVC (polyvinyl chloride) material, which comprises the following steps: S1, heating PVC resin and additives to a molten state, S2, extruding the molten polymer melt through a molding device to form a tubular blank; s3, the tubular blank is subjected to a first cooling stage, and a compact inner layer structure is formed; s4, the pipe blank with the solidified inner surface enters a second cooling stage, secondary cooling is conducted through cold air at the preset low temperature, and a tough outer layer structure is formed; s5, the pipe blank subjected to multiple cooling is subjected to shaping treatment; by means of the multiple cooling technology of inner and outer staged cooling, differential control over the inner layer and the outer layer of the pipe blank is achieved, the performance limitation caused by the single cooling mode in the traditional technology is overcome, the compact high-strength inner layer is formed, the pressure resistance and abrasion resistance of the pipe are enhanced, the cracking resistance of the pipe is improved, and the overall performance of the PVC pipe is effectively improved; and the application range of the PVC pipe is widened.

The invention is a divisional application, and the application number of the original application is 2024117659062. The invention relates to the technical field of automobile spring manufacturing, in particular to a parking system spring bending forming device and a working method thereof. Comprising a clamping seat used for fixing an elastic piece body, the elastic piece body comprises a mounting plate and an extension plate, and a roller is pivoted to the front end of the extension plate; a forming limiting face is arranged below the position, corresponding to the bent position of the elastic piece body, of the clamping base, and the extending plate extends out of the forming limiting face. The material moving driving device is used for driving the clamping seat to move to a group of stations in sequence, and the stations comprise a bending station; and the bending module is right opposite to the bending station, the bending module comprises a bending execution module and an elastic piece performance detection module, the bending execution module comprises a bending driver and a bending punch, and the elastic piece performance detection module comprises a pressure detection probe and a probe driver. And the qualified rate of products can be improved.

The invention discloses a continuous rotary discharging ceramic green body rolling forming device, and relates to the technical field of ceramic green body rolling forming, the continuous rotary discharging ceramic green body rolling forming device specifically comprises a rolling frame, a transverse driving table and a vertical driving table, the transverse driving table is installed at the top of the rolling frame, and the vertical driving table is installed at the top of the transverse driving table; the top of the vertical driving table is slidably connected with a sliding base plate. Through the 120-degree intermittent rotation design of the rotary table, circulating switching of the three stations of blank adding, rolling forming and discharging is achieved, the neutral position period of shutdown blank taking in the traditional technology is eliminated, compared with the prior art, the ceramic blank rolling forming efficiency is improved by 20%, uninterrupted continuous production is achieved, meanwhile, traditional pressing contact type rolling forming is different, and the production efficiency is improved. A mechanical linkage mechanism, a cam, a U-shaped tilting rod and a toothed plate are adopted to automatically control lifting and rotation of a female die, and a driving assembly is matched to drive a male die to synchronously rotate, so that the rolling precision is ensured.

The invention discloses a plastic buckle molding device and a molding method for an optical fiber fixing buckle, which relate to the field of buckle molding, and include an injection molding machine body, wherein a movable mold, a fixed mold, an injection molding mechanism, a mold closing cylinder, and a mold opening cylinder are arranged on the injection molding machine body, an ejector is installed on the movable mold, and a control panel is installed on the injection molding machine body. A through blanking port is opened on the base of the injection molding machine body, and a material receiving piece is fixedly installed at the blanking port; a movable tube is rotatably connected at the blanking port of the material receiving piece, and the movable tube consists of an upper vertical tube, a bent tube, and a lower vertical tube. A power assembly is arranged on the outer side of the movable tube, and the power assembly can make the movable tube rotate in the axial direction of the upper vertical tube of the movable tube, thereby solving the problem in the prior art that if a component on a conveying mechanism for receiving a plastic part has not been reset after the production of the next plastic part, the plastic part will be left in the mold waiting for the conveying mechanism to be reset.

The invention relates to the technical field of tuyere sleeve rear body manufacturing, and provides a tuyere sleeve rear body extrusion forming device which is used for carrying out necking extrusion on a stock column for manufacturing a tuyere sleeve rear body and comprises a workbench, and the workbench is provided with a containing groove; the lining ring plate is detachably arranged in the containing groove, and the lining ring plate encloses the containing groove into a containing space with the diameter gradually reduced from bottom to top. The multiple extrusion blocks are arranged in the circumferential direction of the inner wall of the lining ring plate at intervals, the multiple extrusion blocks are synchronously arranged in a sliding mode relative to the axis direction of the lining ring plate, and the multiple extrusion blocks define a machining space used for containing material columns. The limiting top plate is arranged above the machining space in a lifting mode, and the limiting top plate is used for pressing the material column located in the machining space after moving downwards. By means of the technical scheme, the problems that in the prior art, the surface of a cast afterbody is rough, a large amount of follow-up machining treatment needs to be conducted, and the production period is prolonged are solved.

The invention discloses an extrusion forming device and method, the extrusion forming device comprises an extrusion container assembly, a mold assembly and an extrusion assembly, the extrusion container assembly is provided with at least two mutually independent blank cavities, and the cross section of at least one blank cavity is non-circular; the mold assembly comprises a gradual change type flow channel structure, a welding chamber structure and a mold outlet structure, the gradual change type flow channel structure comprises at least two mold flow channels, and the inlet ends of the at least two mold flow channels are in butt joint with the outlet ends of the at least two blank cavities in a matched mode; the at least two mold runners are used for carrying out plastic deformation on the metal blanks in the blank cavities and guiding the metal blanks to the welding chamber structure, and the welding chamber structure is used for carrying out interface welding on metal from the different mold runners; and the extrusion assembly is used for extruding the metal blanks in the at least two blank cavities. The extrusion force can be obviously reduced, the material flow uniformity is improved, the die complexity and material waste are reduced, the profile forming quality is improved, and the service life of the die is prolonged.

The utility model relates to a batch packaging buckle production system which comprises a slitting device, an automatic tiling device, a feeding device, a block fixing device and a bending forming device. The slitting device is used for longitudinally cutting the raw material steel plate roll into a plurality of steel plate strips; the automatic tiling device is used for tidily tiling the multiple steel plate strips cut by the splitting device and adjusting the positions of the multiple steel plate strips. The feeding device is used for conveying the steel plate strips to the bending forming device in a fixed-length and positioned mode. The block fixing device is used for clamping and fixing a steel plate strip to be profiled; the bending forming device is used for simultaneously cutting and segmenting the plurality of steel plate strips and bending and forming the plurality of steel plate strips; the system has the advantages that 48 packing buckles can be produced in each stroke of the system, so that the production efficiency is improved by dozens of times under the same time.

The invention discloses a cold rolling forming device and process for a seamless stainless steel pipe for a new energy automobile. The cold rolling forming device comprises a bottom plate and a cold rolling mill arranged at one end of the upper surface of the bottom plate; the first mounting frame is connected to the middle of the upper surface of the bottom plate; an adjusting ring is arranged in the middle of the first mounting frame and connected with the first mounting frame through a bearing, a plurality of racks are arranged on the inner circumference of the adjusting ring in an array mode, and first sliding grooves are formed in the positions, corresponding to the racks, of the adjusting ring; a grinding head rotates to grind the outer side of the seamless stainless steel pipe, a second rotating rod rotates to drive a connecting plate and a grinding brush to rotate, the grinding brush rotates to grind the inner wall of the seamless stainless steel pipe, and different positions of the seamless stainless steel pipe can be ground by continuously conveying the seamless stainless steel pipe. And the inner wall and the outer portion of the seamless stainless steel pipe can be polished at the same time, the polishing synchronism is improved, and the polishing efficiency can be improved.