115results about How to "Guaranteed molding accuracy" patented technology

The utility model discloses a pressure injection molding mold, which is characterized in that a fixed mold comprises a fixed mold seat, a fixed mold plate fixed on the fixed mold seat and a fixed mold core fixedly arranged on the fixed mold plate, and a concave fixed mold cavity is formed on the fixed mold core; the movable mold comprises a movable mold base, a movable mold plate fixed on the movable mold base, and a movable mold core fixed on the movable mold plate; the movable mold core is provided with a movable mold base and a movable mold plate, the ejector plate can slide in the mold closing direction and is installed between the movable mold base and the movable mold plate, the ejector rod is fixedly installed on the ejector plate, the ejector reset spring provides elastic retaining force towards the movable mold base direction for the ejector plate, and the oil cylinder is fixedly arranged on the movable mold plate. The oil cylinder can drive the ejector plate to move towards the movable mold plate, so that the ejector rod ejects a bearing pad blank to be subjected to pressure injection of a composite wear-resistant layer in the movable mold cavity towards the fixed mold, and an ejector roller on an injection molding machine prevents the ejector plate from moving along with the movable mold base during mold opening, so that discharging is achieved. And stable development and timeliness of the project are ensured.

The utility model discloses a flexible busbar bending tool which comprises an upper die and a lower die, a bending protrusion is arranged on the lower end face of the upper die, a bending profiling groove is formed in the upper end face of the lower die, and a high end face and a low end face are located on the two sides of the bending profiling groove respectively. A first limiting block and a second limiting block which are arranged on the two sides of the lower die are further included, the upper end of the first limiting block protrudes out of the high end face, a floating piece is further arranged between the low end face and the second limiting block, and the floating piece comprises a lifting block equal to the bending profiling groove in length, a lifting rod arranged on the lower die in the vertical direction in a sliding mode and a plurality of springs arranged on the lifting block in a sleeving mode. The upper end of the lifting rod is connected with the lifting block, the two ends of the spring abut against the lower die, and when the spring is in a natural state, the upper end face of the lifting block is flush with the high end face. The device has the advantages that normal movement in the product deformation process can be guaranteed, product bending cannot be interfered, products can be placed and bent in batches, the working efficiency is effectively improved, and the forming precision is guaranteed.

The utility model provides an automobile skylight guide rail support forming die which comprises an upper die body and a lower die body, an upper forming male die body is arranged on the upper die body, a forming insert fixing plate is fixedly arranged in the lower die body, an insert fixing groove is formed in the position, opposite to the upper forming male die body, in the forming insert fixing plate, and the upper forming male die body and the lower forming male die body are fixedly arranged in the insert fixing groove. An inner stripping insert is fixedly arranged in the insert fixing groove, an insert through groove is formed in the inner stripping insert, and a lower forming insert is movably arranged in the insert through groove. The inner stripping insert and the lower forming insert form a lower forming insert assembly, and the lower forming insert assembly is matched with the upper forming male die to punch and form a product. The skylight guide rail support mold solves the problems that an existing skylight guide rail support mold is poor in adjustability and high in production cost during matching adjustment.

The invention relates to the technical field of autoclave forming dies, and discloses a bullet train protection plate autoclave forming die which comprises a chassis and a bottom plate which are integrated, the bottom face of the chassis is of a grid structure, the top of the chassis is connected with the bottom plate through a supporting structure so that the bottom plate can be communicated with the outside, and a protection plate material containing groove is formed in the top face of the bottom plate. A plurality of through holes are formed in the side face of the chassis so that the through holes in the side face can communicate with the grid structure. Uniform distribution of heat is facilitated, stress concentration is reduced, the heating performance and the heat dissipation performance are improved, and sufficient heat stability and heat conduction coefficient are achieved, so that the production cost is reduced; through combination of a grid structure and a protection plate mold containing groove, the self weight is reduced so as to reduce the production and transportation cost, meanwhile, the strength and rigidity are kept, material use is optimized, reinforcing ribs are combined on the edge of the mold, stability and durability are improved, and fatigue and deformation risks are reduced; the net rack design facilitates heat dissipation, heat stability is improved, forming precision is ensured, and product defects are reduced.

The utility model belongs to the technical field of automobile manufacturing, and particularly discloses a core-pulling automobile part mold. One side of the mold body is provided with a fixing plate and a fixed mold base, two core tubes are arranged at the bottom of the fixing plate, an adjusting assembly is arranged between the fixing plate and the two core tubes, the adjusting assembly comprises a distance adjusting unit and an angle adjusting unit, the distance adjusting unit comprises a first electric push rod, and the angle adjusting unit comprises a second electric push rod. The first electric push rod is used for driving the two core pipes to adjust the distance, the angle adjusting unit comprises a second electric push rod, the second electric push rod is used for adjusting the angle of the core pipes, the distance adjusting unit can flexibly adapt to the distance between side holes of the automobile accessory, core pulling failure is avoided, and the angle adjusting unit can adjust the core pulling angle in real time. And the forming precision of accessories with complex structures is guaranteed, so that the die replacement frequency and cost are reduced, the production efficiency is improved, accessories with different specifications can be quickly switched and produced, and diversified production requirements are met.

The utility model discloses a bottom die locking structure of a bottle blowing die, which relates to the technical field of bottle blowing dies and comprises a bottom die, an inner bayonet seat, a bottom die water conveying disc, a connecting seat and a bottom die seat which are detachably connected in sequence, and a locking shaft and a machine clamping seat fixed on a bottle blowing machine are additionally arranged on the basis of the bottom die, the inner bayonet seat, the bottom die water conveying disc, the connecting seat and the bottom die seat. The locking shaft penetrates through the bottom die base and is provided with a horizontal through groove, and the machine clamping base is provided with a horizontal clamping pin. The bottom die is pushed laterally, so that the horizontal through groove of the locking shaft is in transverse clamping fit with the clamping pin, and rapid locking of the die is achieved. And clamping can be relieved by reverse side pushing, and disassembly is completed. A traditional multi-bolt fixing mode is abandoned, the disassembly and assembly time is remarkably shortened, meanwhile, the mold locking stability is ensured through rigid matching of transverse clamping, and the mold locking mechanism is suitable for high-frequency production scenes.

The application provides a composite material preform forming device, which comprises a rack, a lower workbench, an upper workbench and a mold assembly, the rack is provided with a containing space, the lower workbench is arranged in the containing space and is fixedly connected with the rack, the lower workbench comprises a fixed seat and a supporting plate, the supporting plate is movably arranged in the fixed seat along a first direction, and a through hole is formed in the supporting plate, the upper workbench is movably arranged in the containing space along the first direction, the upper workbench comprises a moving seat and an upper pressing plate movably arranged in the moving seat along the first direction, the mold assembly is detachably arranged in the fixed seat and corresponds to the position of the through hole, and the upper pressing plate and the mold assembly are respectively pressed against the upper and lower surfaces of a composite material plate. The application is used for improving the compatibility of the forming device.

A kind of continuous die, to form guard board support, the continuous die includes upper die and lower die, the continuous die includes transverse sequential distribution blanking station, forming station, flanging station and separation station, the upper die and lower die are provided with two groups of blanking mould core, two groups of forming mould core, two groups of flanging mould core and two groups of shearing mould core about a transverse extension symmetry axis symmetry in corresponding station.The utility model continuous die, with multiple stations, make the force that mould is suffered when clamping more dispersed, and bend structure is symmetrically arranged, force is symmetrical, prolongs the service life of mould.

The utility model discloses a steering lamp shell forming die which comprises a die frame, the die frame comprises an upper die plate, a runner plate, an upper die frame and a lower die frame which are sequentially overlapped and connected from top to bottom, the die frame further comprises a lower die plate located below the lower die frame, die feet used for supporting the lower die frame are arranged between the lower die frame and the lower die plate, the upper die frame is provided with an upper die core, and the lower die frame is provided with a lower die core. The lower mold frame is provided with a lower mold core; the upper mold frame is provided with a plurality of upper mold core-pulling slots, and the upper mold core-pulling slots are connected with the upper mold core; the lower mold frame is provided with a plurality of lower mold core-pulling slots which are connected with the lower mold core; the plurality of upper mold core-pulling slots and the plurality of lower mold core-pulling slots are correspondingly arranged up and down; the upper mold core is provided with a material opening; a first water conveying structure is arranged in the upper mold frame; the upper mold core and the lower mold core are in concave-convex fit; the lower die frame is provided with a first wear-resistant block slot arranged around the lower die core; and a second water conveying structure is arranged in the lower die frame. The utility model has the advantages of simple structure and reasonable design.

The present disclosure relates to the technical field of cold header, and one embodiment of the present disclosure provides a torsion shear bolt cold header, which comprises a calibration device, and the calibration device comprises two side plates one. In the present disclosure, the design of the cooperation of the extrusion roller one and the extrusion roller two with the inclined surface of the positioning ring effectively corrects the bending deformation of the steel bar, and significantly improves the feeding smoothness; the circulating cooling and lubricating system composed of the water tank and the water jet head not only reduces the friction resistance between the steel bar and the mold, but also prolongs the service life of the equipment; through the cooperative control of the electric clamp and the cold header, the precise feeding and forming of the steel bar are realized, and the forming precision of the torsion shear ring groove is ensured. These improvements enable the equipment to stably process the bent steel bar, greatly improve the production efficiency and product quality; through the above technical scheme, the technical problem of easy deformation of the steel bar in the related art is solved.

The embodiment of the present invention discloses a precision forming method for an aluminum alloy comb hanger forging for textile machinery, including obtaining plane graphic data of the comb hanger forging, similar structural feature units and depth distribution data of the similar structural feature units, and constructing a plane angle conversion origin based on the center of mass of the comb hanger forging according to the similar structural feature units; marking the surface of the raw material by scribing using the plane graphic data, and marking the plane angle conversion origin; setting corresponding forming dies, and setting the order of the forming dies according to the degree of deformation of forging; feeding the pretreated raw material into the corresponding forming dies of the similar structural feature units in sequence, and forming corresponding structural elements on the raw material under the forging action of the die section machine to form a forging blank. The present invention ensures the forming accuracy of the structural parts by splitting the structural elements on the aluminum alloy comb hanger and forging them in sequence according to the degree of deformation.

The utility model discloses a rotary guide core-pulling structure capable of shortening an injection molding period, and relates to the technical field of injection molds. Comprising a bottom die main body, the bottom die main body is provided with a guide core-pulling mechanism used for an injection mold, the guide core-pulling mechanism comprises a rotating assembly and a fixing block arranged on the side wall of the bottom die main body, and a locking block is connected with a locking groove in a clamping mode, so that a connecting block can be effectively fixed; the connecting block is prevented from moving due to pressure fluctuation of the hydraulic rod or other factors, so that stable meshing of the gear rod and the annular gear is guaranteed, high pressure in the injection molding process is effectively resisted through rigid locking, displacement of the mold core is prevented, and the forming precision of precise structures such as threads is guaranteed; the energy is saved, the action time is shortened, locking and unlocking operation can be achieved by rotating the screw, and the device is simple, convenient and easy to control.

The utility model relates to the technical field of electric poles, in particular to a non-metallic mineral electric pole and an electric pole machining die. The electric pole is a hollow cylinder, a plurality of spiral reinforcing ribs are evenly arranged in the electric pole, a mounting flange is arranged at the bottom of the electric pole, a groove is formed in the electric pole, a front clamping block and a rear clamping block are arranged in the groove in an inserted mode, a connecting frame is arranged on the side walls of the clamping blocks, and a plurality of insulation connecting columns are evenly arranged at the top of the connecting frame. The beneficial effects of the utility model are that the design of the groove and the inserted clamping block on the electric pole is matched with the clamping block side wall connecting frame and the insulation connecting column, reliable connecting points are provided for the connection of the electric power equipment and the electric pole, the arrangement of the insulation connecting column enhances the insulation performance of the connection, the safety of power transmission is ensured, and the electric pole is convenient to use. Moreover, the connection structure facilitates the installation, disassembly and maintenance of the power equipment.

The invention provides a gridding dot matrix composite material and a preparation method thereof.The preparation method comprises the steps that fiber tows subjected to gum dipping are subjected to grating type laying on a laying path planning tool along a set planning path, and an uncured soft grating structure is obtained; the uncured soft grid structure is transferred to a shaping curing tool, and the planar uncured soft grid structure is converted into a three-dimensional grid structure; and curing heat treatment is conducted on the uncured soft grating structure with the shaping curing tool, and the gridding dot matrix composite material is obtained. The problems that in an existing composite material lattice structure forming technology, fibers are not continuous in the stress direction, the forming precision is reduced due to over-constraint, the material utilization rate is low, the performance is reduced due to interpenetration abrasion, and the forming quality is difficult to control are solved, the raw material utilization rate of the gridding lattice composite material prepared through the method is larger than or equal to 95%, and carbon fibers are 100% continuous; and the problems of forming precision reduction and the like caused by over-constraint do not exist, and each performance can meet the design and use requirements.

The utility model relates to the technical field of injection molds, and discloses a precision injection mold with a spiral cooling channel, which comprises a processing box, four corners of the right side of the processing box are fixedly connected with support columns, the other ends of the support columns are fixedly connected with a groove plate, and the outer wall of the middle of the left side of the groove plate is fixedly connected with a first motor. And the output end of the first motor is fixedly connected with a rotating plate. According to the utility model, the first motor drives the rotating plate, the inclined rod, the movable disc and other parts to move cooperatively, so that the mold closing and opening actions of the mold are realized, and the sliding column of the upper mold plate can stably move relative to the lower mold plate under the action of the damping spring, so that impact and shaking are avoided; and meanwhile, when the mold vibrates, a sliding rod, a damper, a second sliding block, a connecting block, an inclined plate, a reset spring and the like in the cushioning assembly are matched with one another to absorb vibration energy, the component is restored to the initial position within the limiting range of a limiting block, the structural stability of the mold is maintained, and then the movement precision of the mold is improved.

The invention discloses a thread rolling plate assembly for thread rolling forming of round tail screws, a control method, equipment and a medium, the thread rolling plate assembly comprises a static thread rolling plate and a dynamic thread rolling plate which are matched with each other, and the opposite sides of the static thread rolling plate and the dynamic thread rolling plate are sequentially provided with a thread rolling face, a receding groove and a closing part in the direction perpendicular to the thread rolling direction; a thread rolling area is formed between the thread rolling surfaces of the static thread rolling plate and the dynamic thread rolling plate and is used for performing thread rolling treatment on a screw rod part of a screw blank; the receding grooves of the static thread rolling plate and the dynamic thread rolling plate are located in the tail position of a screw blank, the receding grooves of the static thread rolling plate and the dynamic thread rolling plate are closed to form a forming area, and the forming area is hemispherical and used for containing extrusion materials generated during thread rolling of the screw blank and forming a round tail. And the closed part of the static thread rolling plate and the dynamic thread rolling plate is used for sealing the forming area. Threads and round tails are formed synchronously in one thread rolling procedure, the production efficiency of round tail screws can be improved, and the overall machining cost can be reduced.

This utility model discloses a valve manufacturing mold, including a first mold, a second mold, and a third mold. The first mold includes two first half-molds and a first mold core, which together form a first mold cavity. The two first half-molds have first injection tubes. The second mold includes two second half-molds and a second mold core, which together form a second mold cavity. The two second half-molds have second injection tubes. The third mold includes two third half-molds and a third mold core, which together form a third mold cavity. The two third half-molds have third injection tubes. This utility model has a reasonable structural layout, and its overall structure can accurately replicate the complex internal morphology of valves, such as irregular flow channels. It can meet the performance requirements of valves as core components of fluid control systems without subsequent processing, achieving simultaneous improvement in production efficiency, material utilization, and finished product quality.

The utility model discloses a mobile phone protective shell injection mold, and particularly relates to the technical field of injection molds, the mobile phone protective shell injection mold comprises a bottom mold plate, a first module is mounted on the bottom mold plate, a second module is vertically arranged at one end of the first module, and a third module is vertically arranged at one end of the second module; a fourth module is vertically arranged at one end of the third module, an upper module is arranged above the bottom mold plate, and an injection molding opening is formed in the middle of the top end of the upper module; the third module comprises a first electric push rod, a first template and the like; the first module and the third module have the same structure; the fourth module comprises a second electric push rod, a second template and the like; the second module and the fourth module have the same structure; and the upper module is provided with a slot matched with the insertion block on the module. The machining precision of the mobile phone protection shell is improved through sealing fit between the modules, automatic demolding is achieved through the electric push rod, the multiple function requirements of the mobile phone protection shell can be met, and the production efficiency and the product quality are effectively improved.

The present application relates to a kind of vertical channel field effect transistor and its preparation method, belong to semiconductor device technical field.It includes: silicon oxide substrate, its one side is provided with high platform;Wherein, high platform each side is provided with multilayer film structure;First guide groove on the first side of multilayer film structure and first guide groove on the second side of adjacent multilayer film structure are communicated;First guide groove is perpendicular to silicon oxide substrate;Multiple first dielectric layer, is set to the surface of silicon oxide substrate;Wherein, first dielectric layer both sides are provided with second guide groove;Second guide groove is communicated with the nearest first guide groove;First guide groove and second guide groove are provided with nanowire;Source electrode, is set to the side of high platform away from silicon oxide substrate;Multiple gate electrode, each gate electrode is set to the third side of each multilayer film structure, and is connected with dielectric layer.The present application realizes single nanowire high-density multi-independent channel, improves structure utilization.

The application discloses a kind of Q420qD material wave-shaped steel web manufacturing method, it is related to wave-shaped steel web processing technical field, comprising the following steps: S1: making block scheme, the wave-shaped steel web to be manufactured is divided according to length direction, and butt joint is arranged at wave peak flat position;S2: according to block scheme, differentiating mould pressing forming processing is carried out to steel plate, to form multiple single wave-shaped sub-web units and multiple wave-shaped web units;S3: using jig to carry out butt welding to single wave-shaped sub-web unit, control the butt joint accuracy and welding deformation of wave-shaped steel web.The application solves the technical problems of difficult wave-shaped steel web processing and difficult control of precision.

This invention discloses a ball valve body anti-shrinkage casting module, relating to the field of ball valve body processing. It includes a casting main block, with a first guide post welded internally. The inner wall of the first guide post is lined with paraffin wax. This invention sets up a module by welding the first guide post to the inner wall of the casting main block and correspondingly welding a second guide post to the inner wall of the casting sub-block. One end of the first guide post is designed as a tapered structure. This tapered end can guide and retract the valve core during the initial stage of mold closing between the casting main block and the casting sub-block. Due to the gradual transition characteristics of the tapered surface, the cooperating first and second guide posts simultaneously provide continuous limiting guidance to the valve core within the mold cavity during the closing process of the two modules, preventing the valve core from shifting or misaligning during mold closing, thereby achieving rapid guidance and positioning of the valve core.

The utility model discloses a cold heading forming die set of a bolt pin structural member, which comprises a rough blank cold heading die, a tangent plane ring table cold heading die and a finished product cold heading die which are arranged in sequence, the rough blank cold heading die comprises a rough blank cold heading bottom die holder and a rough blank cold heading top die holder, and a rough blank forming cavity and a pin column forming ejector rod are arranged in the rough blank cold heading bottom die. A bolt head forming ejector rod is arranged on the rough blank cold upsetting top die holder; the section ring table cold heading die comprises a section ring table bottom die holder and a section ring table top die holder, a pin column positioning cavity is formed in the section ring table bottom die holder, and a bolt head positioning cavity and a section ring table stamping block are arranged on the section ring table top die holder; the finished product cold heading die comprises a finished product cold heading bottom die holder and a finished product cold heading top die holder, a pin column locking cavity is formed in the finished product cold heading bottom die holder, and a cutting tool apron is arranged on the finished product cold heading top die holder. According to the combined continuous cold heading forming die, combined continuous cold heading forming is met, the high-precision forming requirement can be met without machining, the production efficiency of products is high, and the structural strength of the products is greatly improved.

The utility model provides a high-precision switch buckle injection mold forming structure which comprises a top plate, an upper mold, a lower mold, an ejector plate and a bottom plate, a cavity used for forming a buckle body is formed between the upper mold and the lower mold, sliding grooves are formed in the two side ends of the lower mold, side pulling blocks are arranged in the sliding grooves in a sliding mode, inclined guide holes are formed in the side pulling blocks, and the inclined guide holes are communicated with the ejector plate. An inclined guide rod is fixedly arranged at the bottom of the upper die, when the upper die is separated from the lower die, the inclined guide rod drives the side pulling block to move, a core pulling rod is arranged on the side pulling block and used for forming connecting holes in the two sides of a buckle body, a core pulling hole is further formed between the upper die and the lower die, and the core pulling rod is arranged in the core pulling hole in a sliding mode. Automatic core pulling during mold opening is achieved, so that the manufacturing cost of the mold is reduced, core pulling is conducted on the connecting holes in the two sides through one core pulling rod, core pulling of the double-row cavities can be achieved through the side pulling blocks on the two sides, and therefore the utilization rate of the mold is increased.

The utility model discloses a forming die of a hollow collecting tube placing frame, which comprises a panel, a plate A, a plate B and a bottom plate, a plurality of first runners are arranged on the plate B, a plurality of second runners are arranged on the plate A, a guide plate is arranged between a fixed die core and the panel, and a core needle and a main runner are arranged on the guide plate. According to the utility model, the plurality of first runners and second runners are arranged, so that glue can be fed from the plurality of runners at the same time, and the cavity can be filled with glue to the greatest extent; the second runner is arranged to be of an ox horn structure to form an inclined upward diving opening structure, so that the pressure of a glue solution entering a cavity can be relieved, damage and deformation of the outer wall or a cross-linked structure, close to the runner, of a product are avoided or reduced, and the appearance quality and the mechanical strength of the internal cross-linked structure of the product are ensured; the first guide assemblies and the second guide assemblies which are opposite in insertion direction are arranged between the plate A and the plate B which are matched with each other, so that the plate A and the plate B can be guided, all parts of the plate A and the plate B can be ensured to be completely and tightly attached together during complete mold closing, and the forming precision of a product is ensured.

This invention provides a titanium plate grinding machine, comprising a gantry frame, a grinding assembly, and a drive assembly. The drive assembly is mounted on the gantry frame. The grinding assembly includes a grinding head beam mounted on the drive assembly and a grinding head assembly mounted on the grinding head beam. The grinding head assembly is a four-grinding-head structure, including a first grinding head, a second grinding head, a third grinding head, and a fourth grinding head. The drive assembly includes a traveling motion device, a lateral movement device, and a lifting device for driving the grinding head assembly to move in three-dimensional space. This invention employs a four-grinding-head structure, coupled with an inverted T-shaped grinding head beam, significantly improving grinding efficiency and equipment stability, and avoiding tool marks. All motion axes are upgraded to servo control, improving grinding accuracy and uniformity. The grinding wheels are locked with flange bolts, simplifying disassembly and assembly and ensuring grinding quality. A new spray cooling system and a removable sludge tank are added to achieve centralized waste removal and water resource recycling.

The application discloses a kind of convex structure 3D printing method of inner cone parts, belong to 3D printing manufacturing technical field, it includes box, the base is placed in the bottom of the box, the outer side of the base is fixedly installed with portal frame, the first motor is installed in the base side, the fan that is used with the air suction pipe is installed in the working tank, the filter plate is installed in the first fixed block buckle;Through the extension head structure design to the inner wall of inner cone part main body, extension head itself has the effect of strengthening the overall structure support strength of part, the use amount of extension head and part inner wall part support can be greatly reduced when D printing, not only reduce the support material cost, but also can reduce subsequent support piece removal process, avoid to cause damage to extension head, part inner wall when removing support, further improve part forming quality and production efficiency, especially adapt to the precise printing demand of complex convex structure such as inner cone part inner wall extension head with structural strengthening function.

The utility model provides a self-adaptive height-adjustable self-propelled hydraulic building template, which belongs to the technical field of building templates, and comprises a mounting assembly and a template assembly, the mounting assembly comprises a base, a bracket, a cross beam and a connecting piece; the template assembly comprises a side template, an extension plate, a middle mold and a baffle. According to the building formwork, the base is additionally arranged and used for being fixed to the ground installation foundation, the stability of the overall structure of the building formwork is maintained, meanwhile, the base is used for supporting building materials needing to be formed, the base is matched with the side formworks, the middle formwork and the baffles at the ends of the side formworks to form a relatively-closed formwork component, and material forming is facilitated; the support is used for cooperatively installing the side formwork, dispersing the pressure of the side wall of the side formwork, maintaining the inclination angle of the side formwork, maintaining the forming precision of components of a building, adjusting the height of the extension plate along the side formwork, adapting to forming use of materials of different sizes, expanding the application range of the side formwork and finely adjusting the forming size of the materials. The adjustment is convenient.

The application discloses a fabricated formwork for special-shaped fair-faced concrete construction and a construction method thereof, which comprises a supporting assembly and a special-shaped component bottom die; a plurality of fixing frames are fixedly arranged at the bottom of the supporting formwork, and a limiting recess with an opening facing downward is arranged in the fixing frame. The supporting assembly comprises a supporting frame, a supporting plate, an adjusting support unit and a limiting rod; the supporting frame is fixed on the ground; a plurality of supporting plates are fixedly installed on the supporting frame, and a plurality of groups of rotating shafts are arranged on each supporting plate at intervals; the axes of all the rotating shafts are arranged in parallel and are parallel to the center line of the limiting recess; one end of the adjusting support unit is rotationally connected to the supporting plate through a group of rotating shafts; the limiting rod is fixedly connected to the other side of the adjusting support unit, and the limiting rod and the rotating shaft are arranged in parallel; the spacing between the limiting rod and the rotating shaft is adjusted by the adjusting support unit, so that the limiting rod abuts against the limiting recess. While the construction quality of the special-shaped component is ensured, the construction demand for special-shaped components with various specifications is met.

The application relates to a support device for preventing deformation of a plate on a bending jig, which belongs to the technical field of ship manufacturing. The support device is characterized in that a bending workshop jig outer cylinder is used as a base, 10-30 groups of jacking devices are manufactured in cooperation with an inner cylinder, before each plate splicing, the jacking devices are arranged in a fixed disc according to the position of a jig table, after the outer plate is positioned, the jacking U-shaped plates are fixed on the outer side of the outer plate in cooperation with jig pins according to the height of the jig table and the stress of the outer plate. After the jacking devices are put into use, the plate splicing operation efficiency can be effectively improved, and the traces left by polishing and welding are not affected, and the traditional back code does not hinder the trolley welding outer plate joint.