40 results about "Forming face" patented technology

The application relates to a one-time forming face skin manufacturing process of an internal embedded structure body, and relates to the plastic material forming technical field, in particular to a one-time forming face skin manufacturing process of an internal embedded structure body, which comprises the following steps: step one: preparing a face skin lower die, a face skin upper die and a hoop; according to the characteristics of a target face shape, selecting the face skin lower die, the face skin upper die and various driving devices to be embedded in the face skin; the driving devices comprise support pieces and connecting pieces arranged above the support pieces and used for being connected to various automatic force systems; the face skin upper die is provided with an opening communicating with the upper and lower parts at the position corresponding to each support piece, and is provided with a support frame at the opening; through the combination of the face skin lower die, the face skin upper die and the various driving devices, the flexible adaptation of different face shapes and the one-time wrapping forming of the various driving devices are realized, the mold configuration cost is reduced, the cumulative error of multiple positioning is eliminated, and the uniformity of the face skin wall thickness and the product quality are improved.

The invention relates to the field of metal stamping equipment, and discloses a stamping die for circular machine needle blank forming, which comprises a stamping platform, a stamping support is arranged at the top of the stamping platform, and a male die is arranged at the bottom of the stamping support; the connecting support is arranged on the stamping platform, two middle modules are arranged on the connecting support, first grooves are formed in the middle modules, two side modules are further arranged on the connecting support, the height of the side modules is lower than that of the middle modules, and second grooves are formed in the side modules. Compared with the prior art, in order to solve the problems that a small-size circular knitting needle blank is small in dead weight, small in interface gap and prone to retention after mold opening due to end special-shaped embedding, the female mold forming face is divided into the middle mold set and the side mold set, and the side mold set is driven to actively move downwards and be separated in the return stroke stage of the male mold; and the end part forming surface is firstly withdrawn and the enveloping constraint is relieved, so that the workpiece is prevented from being ejected out in an unbalanced loading manner by depending on an ejector pin or an ejector plate in a state that the end part is still clung to the cavity.

The utility model discloses a forming die of a carbon fiber engine arm, which comprises an upper die and a lower die, the bottom of the upper die is concavely provided with an upper forming surface upwards, and the top of the lower die is concavely provided with a lower forming surface downwards; the bottom wall of the lower forming face is downwards provided with a containing groove, an insert is arranged in the containing groove, the top of the insert is provided with a hole forming face used for forming a through hole of the carbon fiber engine arm, the hole forming face protrudes out of the containing groove, the bottom of the lower die is upwards concavely provided with a groove, the top wall of the groove is provided with a via hole communicated with the containing groove, and a screw penetrates through the via hole. The screw comprises a screw head and a screw rod connected with the top of the screw head, a first silica gel gasket is clamped between the insert and the bottom wall of the containing groove, and a second silica gel gasket and a metal gasket are sequentially arranged between the top of the screw head and the top wall of the groove from top to bottom. According to the carbon fiber vehicle arm, the through holes are formed in the carbon fiber vehicle arm, the pits are formed in the through holes after the carbon fiber vehicle arm is formed, follow-up machining of the through holes is facilitated through the pits, ejection marks cannot be left on the carbon fiber vehicle arm, and the structural design is ingenious.

The utility model provides an injection molding part and an injection mold, and relates to the technical field of injection molding, and the injection molding part comprises a supporting part and a main body part; the supporting part is provided with a first end face and a second end face which are opposite in the first direction and a side wall face located between the first end face and the second end face, and a partial area of the second end face is sunken to form a forming groove; the main body part and the supporting part form an integrated structure, and the main body part protrudes out of the first end face in the first direction; wherein the injection molding part is provided with a front mold forming face and a rear mold forming face, the front mold forming face comprises the outer surface of the main body part and the first end face, and the rear mold forming face comprises the groove wall face of the forming groove, the second end face and at least part of the side wall face. According to the injection molding part, the forming quality of the injection molding part can be improved, and the manufacturing cost of an injection mold can be reduced.

The utility model discloses a tile steel sheet forming lower mould structure, it includes support part and forming part, the top of forming part has a forming face domain, the forming part includes a plurality of die heads, each die head is the bar structure, each die head is placed on the support part side by side and closely and all with support part fixedly movable connection, the top of each die head all has a forming grain along its length direction extension, and a plurality of forming grain forms the forming face domain.

The invention discloses a composite material forming mold with an embedded part and a manufacturing method of the composite material forming mold, and relates to the technical field of composite material forming, and the composite material forming mold of the embedded part comprises a first embedded part area provided with a first embedded part and a non-embedded part area not provided with the first embedded part; the first embedded part area sequentially comprises a gel coat layer, a first structural layer, a heat conduction diffusion layer, a second structural layer and a thermal buffer layer from a position close to a forming surface to a position far away from the forming surface in the thickness direction of the mold; the thermal buffer layer is arranged on the outer surface of the second structural layer in a composite mode and covers the end, away from the forming face, of the first embedded part. According to the composite material forming mold with the embedded parts, the heat conduction diffusion layer and the heat buffer layer are arranged in the first embedded part area, through the synergistic effect of transverse diffusion and heat insulation in the thickness direction, the local heat flux density is reduced, the temperature gradient is gentle, and overheating and thermal stress concentration of the embedded part area are avoided; and the thermal stability of the mold and the precision consistency of molded parts are improved.

An anti-deflection injection mold with a floating needle positioning mechanism comprises a front mold body and a rear mold body, a cavity is defined by the forming faces of the front mold body and the rear mold body, an insert is arranged in the cavity, and a positioning mechanism is arranged on the opposite side of the insert. The positioning mechanism comprises a guide sleeve fixed in the injection mold, a floating needle is slidably connected in the guide sleeve, the front end of the floating needle can penetrate through the guide sleeve to be connected with the insert in an abutting mode, a limiting step is arranged at the rear end of the floating needle, and a reset elastic piece is arranged between the front end of the limiting step and the guide sleeve. A driving assembly is arranged at the rear end of the floating needle and is subjected to sequential control through a PLC (Programmable Logic Controller) control system; a pressure sensor is arranged at the output end of the driving assembly. Through the synergistic effect of the floating needle, the driving assembly and the PLC control system, accurate positioning and automatic avoiding of the insert in the injection molding process are achieved. The stability and reliability of the injection molding process are ensured by adopting the symmetrically distributed positioning mechanisms, closed-loop control of the pressure sensor and sequential control of the PLC system.

The utility model relates to a structure convenient for replacing a core on a hot-pressing die, and belongs to the technical field of hot-pressing dies. Comprising a lower die base, the top of the lower die base is provided with a forming face and a plurality of cores, the bottoms of the cores are provided with connecting rods, the bottoms of the cores are in threaded connection with the connecting rods, the outer side walls of the tops of the cores are provided with key teeth, the bottoms of the connecting rods penetrate through the lower die base and a push plate, and the bottom ends of the connecting rods are fixedly connected with a bottom plate. A sleeve in sliding connection is arranged on the outer sides of the connecting rod and the core, and the bottom of the sleeve is fixedly connected with the push plate; according to the scheme, after the core in the lower die holder is abraded, the core can be screwed out from the forming surface and then replaced by a new core only by moving the lower die holder to be separated from the upper die set and using a screwdriver corresponding to the key tooth structure on the core, so that the technical problem that the whole die needs to be opened when the core is replaced in the prior art is solved; and the production efficiency is improved.

The invention belongs to the field of candle cup production dies, particularly relates to a multi-cavity punch forming die for a candle cup with a curled edge, and provides the multi-cavity punch forming die for the candle cup with the curled edge to solve the problems that in the prior art, efficiency is low, the curled edge effect is poor, and strength is low, and the multi-cavity punch forming die for the candle cup with the curled edge comprises an upper die body and a lower die body. The lower end of the upper die is provided with a plurality of concave die assemblies which are distributed and correspond to the convex die assemblies up and down, the plurality of concave die assemblies form a multi-cavity concave die assembly, and the multi-cavity concave die assembly is matched with the multi-cavity convex die assembly to form a structure for punching a plurality of candle cups at a time; a precise hemming structure is arranged on the male die assembly, a complete hemming process is formed through cooperation of a guide face, a forming face, a backhoe face and a top hemming face, the edge hemming of the candle cup can be full and smooth, and the overall strength is improved.

The utility model relates to the technical field of selective laser melting additive manufacturing, in particular to a scraper device and selective laser melting additive manufacturing equipment, which comprises a support column, a flexible part and a defect identification part, the support column is used for being connected with a driving mechanism of the selective laser melting additive manufacturing equipment so as to be capable of moving under the driving of the driving mechanism; the flexible part is fixedly arranged on the outer side of the supporting column in a sleeving mode and forms a working end below the supporting column. The working end can be driven by the supporting column to flatly scrape powder to a forming face, and a uniform powder bed is formed. The defect recognition part is fixedly arranged between the flexible part and the supporting column, the defect recognition part is in signal connection with an industrial personal computer of the selective laser melting additive manufacturing equipment, and after the working end of the flexible part makes contact with defects on the powder bed, the flexible part can extrude the defect recognition part and make the defect recognition part generate an alarm signal. And the industrial personal computer stops working of the driving mechanism after receiving the alarm signal, the structure is simple, the use is convenient, and manpower and material resources are effectively saved.

The utility model relates to a runner plate with a quick insertion pipe orifice, which comprises a runner plate main body and a pipe head, and the runner plate main body is provided with a first matching part; the pipe head is provided with a second matching part used for being connected with the first matching part in a matched mode. The runner plate body and the pipe heads can be independently manufactured through 3D printing, batch production can be achieved, the forming face of each pipe head can be machined so as to obtain the sealing face with the needed size precision and roughness precision, tools are not needed, the machining process of the sealing faces of the pipe heads can be achieved through a machine tool, then the machined pipe heads are connected with the runner plate body, and the machining efficiency is improved. And the production efficiency and the processing stability are effectively improved.

The utility model discloses a stair section mould, relates to mould technical field, including the stair section mould also includes the support frame, the support frame includes base plate and side plate that fixed connection, said base plate and side plate enclose to form the accommodation space, a plurality of said core mould block is provided in the accommodation space, said core mould block is equipped with said core mould block, said core mould block is equipped with said core mould block, said core mould block is equipped with said core mould block. The adjacent core modules are tightly attached, the surfaces of the multiple core modules are combined to form a forming face, the forming face faces the side plate, a forming space is separated in the containing space, the forming space is attached to the core modules, and the included angle of the core modules relative to the side plate can be adjusted. A pouring opening is formed in the top of the forming space and communicates with the forming space and the outside. Stair section molds with different step numbers can be prefabricated, stair section molds with different step widths and step heights can be manufactured, the manufacturing cost of the assembly type prefabricated stair is reduced, and the manufacturing efficiency is improved.

The utility model relates to the technical field of machining and manufacturing, in particular to a hot compression molding device. The groove of the lower die provided by the utility model is provided with the first curved wall and the second curved wall which are arranged at the included angle, so that the cross section line segment of the first curved wall and the cross section line segment of the second curved wall are arranged at the included angle with the bottom surface of the lower die, and the cross section line segment of the first curved wall and the cross section line segment of the second curved wall are not vertical to the ground; when a molten material sheet is stamped, the material can slowly move along the first curved wall and the second curved wall, and compared with the prior art that the curved wall is perpendicular to the ground, the overall thickness of the curved frame obtained by the hot compression molding device is uniform. The upper die and the lower die are accurately matched, and pressure is applied to make the material sheet slide and be bent along with the die forming face.

The utility model discloses a multidirectional secondary slide block core-pulling mould structure, which comprises a primary slide block, a secondary slide block and a driving shovel base, the primary slide block is in sliding fit with a secondary chute, the driving shovel base is arranged above the secondary slide block and is used for driving the primary slide block to slide back and forth, a workpiece forming surface is formed at the front end of the primary slide block, and the secondary slide block is arranged on the workpiece forming surface. A core-pulling sliding block is arranged above and / or below the primary sliding block in a stacked mode, the core-pulling sliding block can slide front and back relative to the primary sliding block, the front-back sliding track of the core-pulling sliding block is located on the radial extension line of the workpiece forming face, and a forming pin rod protruding towards the front side of the workpiece forming face is arranged at the front end of the core-pulling sliding block. The top face and / or the bottom face of the primary sliding block are / is provided with containing grooves corresponding to the core pulling sliding blocks in a one-to-one mode, movable limiting blocks protruding towards the interiors of the containing grooves are formed at the rear ends of the core pulling sliding blocks, and the movable limiting blocks can move left and right relative to the containing grooves. The multi-directional synchronous core pulling mechanism can synchronously pull cores in multiple directions, and is simple in structure and simplified in action process.

The invention relates to the technical field of additive manufacturing, in particular to an additive manufacturing method, manufacturing equipment and a forming platform, and the additive manufacturing method comprises the steps that a base material with a forming face and a functional part with an entity boundary are configured; the top surfaces of the base material and the functional part are initially reset and have the same height as the powder spreading surface; and a printing task is executed, and in the printing process, at least part of the top face of the functional part protrudes out of the top face of the base material and is contained in at least part of the area outside the main body structure of the printing workpiece. In the 3D powder laying printing process of additive manufacturing, the functional part is arranged in at least part of the area, except the printing workpiece main body structure, in the forming bin, and the functional part can achieve the effects of filling, supporting and being combined with the printing workpiece main body structure.

A three-layer heat shield edge covering and flattening die structure comprises an upper die table and a lower die table which are oppositely arranged, the upper side of the lower die table is provided with a lower spring in the vertical direction and a lower floating plate which is connected to the lower spring and can ascend and descend, and the lower side of the upper die table is provided with an upper spring in the vertical direction and an upper floating plate which is connected to the upper spring and can ascend and descend. The lower die table is provided with a lower die base protruding upwards, the upper die table is provided with an upper die base protruding downwards, the upper die base and the lower die base are oppositely arranged, the lower floating plate is provided with a lower through hole allowing the lower die base to penetrate through, and the upper floating plate is provided with an upper through hole allowing the upper die base to penetrate through. The side peripheral wall of the upper through hole is provided with a forming face used for bending a turned edge of a workpiece, and the elastic coefficient of the upper spring is larger than that of the lower spring. According to the scheme, inward bending and downward flattening of the turned edge of the workpiece are achieved through one die tool, efficiency is high, the problem that in the prior art, clamping needs to be conducted again is solved, and the quality of the finished workpiece is stable and reliable.

The invention discloses a hard spot punching die, an aluminum material forging and pressing method and an aluminum material forging and pressing device. The pitting mold comprises a first mold assembly and a second mold assembly which are oppositely arranged. The first die assembly is provided with an upper die pressing block. The second die assembly and the first die assembly are oppositely arranged, the second die assembly comprises a fixed insert and a plurality of angle sliding blocks, and the fixed insert forms a positioning cavity used for containing and positioning an aluminum blank. The multiple angle sliding blocks are arranged around the positioning cavity, each angle sliding block is provided with a forming face facing the positioning cavity, and the forming face is provided with a hard spot protrusion array. The upper mold pressing block is matched with the angle sliding block, the upper mold pressing block is provided with a wedge-shaped surface and is matched with a stress inclined surface on the angle sliding block, and the angle sliding block is driven to be fed in the preset angle direction through relative sliding of the wedge-shaped surface and the stress inclined surface during mold closing, so that at least one surface of the aluminum blank is impressed by the hard spot bulge array to form pits and hard spots.

A tampon product is presented that includes an applicator including an outer member and an inner member slidably engaged with the outer member. The outer member includes an outer surface surrounding a longitudinal applicator axis, a barrel region, and a grip region. The grip region comprises greater than four circumferentially formed faces. One or more layers defining the applicator include cellulosic material.

The utility model provides a reusable support-free formwork and formwork system, and belongs to the field of fabricated buildings. The support-free formwork at least comprises a standard section; the standard section at least comprises a standard bottom plate, a standard corrugated plate and standard side plates, the two side edges of the standard corrugated plate are connected to the standard bottom plate through the standard side plates, a cavity is formed between the wave trough and / or the wave crest of the standard corrugated plate and the standard bottom plate, and a pouring forming face is formed outside the surface of the standard bottom plate, or a pouring forming face is formed outside the surface of the standard corrugated plate. Compared with a traditional wood formwork and a traditional aluminum formwork, the corrugated plates of the unit type formwork provide higher rigidity in the mode that the corrugated plates protrude to form ribs, a scaffold at the bottom can be omitted, and construction measure cost is saved; the device can be repeatedly used and is high in economical efficiency; and when the standard corrugated plate is used as a pouring surface, concrete consumption can be saved, and floor self-weight is reduced.

The utility model relates to the technical field of paper-plastic forming, and discloses a hot-pressing die and a hot-pressing system, and the hot-pressing die comprises a first hot-pressing piece, a second hot-pressing piece and a third hot-pressing piece, the second hot-pressing piece is arranged in the first concave cavity, the second hot-pressing piece is provided with a second concave cavity, the inner side of the second concave cavity is provided with a third concave cavity, and the second concave cavity, the third concave cavity and the inner side wall of the first hot-pressing piece jointly define a containing space; and the heating channel is arranged in the containing space, the heating channel and the inner side wall of the containing space are arranged in a matched mode, and heat conduction oil is placed in the heating channel in a flowing mode and used for heating the forming face of the second hot-pressing piece. According to the utility model, the heating channel is arranged in the second concave cavity and the third concave cavity of the second hot-pressing piece, so that the distance between the heating channel and the forming surface is closer, the heat loss in the heating process is less, the power required for heating the heat-conducting oil can be reduced, and the energy consumption is further reduced; and the heating channel is matched with the inner side wall of the accommodating space, so that the temperature transferred to the forming surface is more uniform, and the product quality can be improved.

The invention relates to the technical field of lens manufacturing molds, in particular to an adjustable multi-area PMDT dot matrix lens manufacturing mold which comprises a movable mold body, a static mold body, a core mold body, a vacuumizing assembly and an adjustable exhaust assembly. The vacuumizing assembly comprises a vacuumizing pipe arranged on the core mold and a spherical control piece arranged in the vacuumizing pipe, the outer end of the vacuumizing assembly penetrates out of the mold part, and a release space communicating the inner end and the outer end of the vacuumizing pipe is formed in the core mold; the adjustable exhaust assembly comprises a piston type regulation and control base installed in the release space, injection molding materials are poured into the cavity, pouring is completed through the forming face of the cavity, a lens product is obtained, according to the mold forming principle, in the product injection molding process, if gas is exhausted, bubbles can be prevented from being formed in the product, and the product quality is improved. Therefore, the lens quality is improved.

The utility model provides an engineering check ring die, and relates to the technical field of machining. Comprising a male die, a female die, an outer ring, an upper die plate and a lower die plate, the outer ring is installed on the outer side of the female die, the inner forming face of the male die is matched with the inner side of the check ring in shape, the outer forming face of the female die is matched with the outer side of the check ring in shape, and the check ring is placed on the inner forming face of the male die. The inner forming face of the male die and the outer forming face of the female die jointly press the check ring to be formed. The fourth inclined plane included angle beta of the outer ring facilitates press-fitting work of the outer ring and the female die, transition connection of the first inner face, the third inclined plane, the second inner face and the arc facilitates improvement of press-fitting stability and strength of the outer ring and the female die, and the step face of the male die facilitates press-forming of the check ring. The small-angle inclined plane included angle delta and the large-angle inclined plane included angle theta are convenient for the check ring to easily enter the female die when the check ring is pressed, and the check ring is easy to separate from the female die after the check ring is pressed; and the included angle alpha between the notch of the outer ring and the fifth inclined surface reduces the weight of the mold.

The utility model provides a high-light-transmittance electric vehicle LED tail lamp lampshade mold, and belongs to the technical field of molds. The die comprises a lower die installation seat and a lower die plate arranged on the lower die installation seat, a forming insert is arranged on the lower die plate in a protruding mode, a lower forming face forming a forming cavity is formed on the upper surface of the forming insert, and the forming insert is formed by combining a top insert and two side inserts located at the bottom of the top insert. The two side inserts are symmetrically arranged along the center line of the top insert. After the tail lamp lampshade is subjected to injection molding, during ejection, the lower mold plate is driven to move upwards through the primary ejection assembly, when the lower mold plate moves upwards, under the action of the driving block, the two side inserts can move inwards so that the side inserts can be separated from the inverted buckle forming part, and then a product is ejected out of the lower mold plate through the secondary ejection assembly. Due to the fact that the back-off forming part and the side insert are in a separated state during ejection, the back-off position of the product can be prevented from being damaged.

The utility model relates to the technical field of building molds, in particular to an assembly type building girder pouring formwork installation structure which comprises a formwork shell, a formwork and a supporting assembly, the vertical projection of the formwork is rectangular, the section of the formwork is in a convex shape, and the formwork comprises bearing faces on the left side and the right side and a forming face protruding upwards in the middle. The bearing face abuts against the bottom face of the flange edge of the formwork, and the forming face is used for forming a main beam. Reinforcing ribs are arranged on the bottom faces of the formworks, first connecting holes are formed in the end faces of the formworks, the positions of the first connecting holes of the adjacent formworks are consistent, and the adjacent formworks can be connected in the mode that fasteners penetrate through the first connecting holes. Rapid assembly and disassembly are achieved, turnover and repeated use are achieved, the construction cost is reduced, and the efficiency is improved.

A stamping die comprises a die body, an upper die and a lower die are arranged on the die body, the upper die comprises a fixing plate and a punching protruding piece which are connected with each other, the punching protruding piece comprises a plurality of punches which are coaxially arranged, the radial size of each punch is sequentially increased in the direction close to the fixing plate, and an upper forming face is arranged at the end, away from the fixing plate, of each punch. The die further comprises a plurality of female dies, punching grooves which are matched with the punches in a cutting mode and correspond to the punches in a one-to-one mode are formed in the female dies, and lower forming faces matched with the upper forming faces are arranged at the edges of groove openings of the punching grooves, so that the edges of the cutting holes are formed under the extrusion action of the upper forming faces and the lower forming faces. During punching, the corresponding female dies are selected according to different size requirements, then the punching convex piece is controlled to approach the female dies until the punching convex piece and the female dies abut against each other, the corresponding punches and the punching grooves are matched to complete punching, punching of different sizes can be achieved only by replacing the female dies, the whole die does not need to be replaced, production efficiency is improved, and meanwhile cost is effectively reduced.

The utility model belongs to the technical field of side wall pouring formworks, and particularly relates to a side wall formwork with reserved concrete horizontal construction joint chiseling distance. Comprising a side wall formwork, the side wall formwork surrounds reinforcing bars of a side wall and a middle-buried type water stop fixing bar to form a side wall pouring die cavity, a water stop belt is installed in an arc-shaped bend of the middle-buried type water stop fixing bar, a side wall groove die is arranged on the forming face, attached to the side wall formwork, in the side wall pouring die cavity, and the side wall groove die is located at a horizontal construction joint; the side wall groove mold is square steel, and the side wall groove mold is bound, chiseled and fixed to the top of the middle-buried water stop fixing rib; the square steel is additionally arranged at the horizontal construction joint, the thickness of a reinforcing steel bar protection layer is effectively controlled, damage to edges and corners of the horizontal construction joint is avoided, the square steel is fixed through the embedded water stop fixing ribs, and additional structures are reduced.

To solve the problem that a dice having a circular shape when viewed from the bottom has problems in many aspects such as time cost until a result is determined and stability of the result, and such a shape is not used for the dice.SOLUTION: A weight is put in a dice to form a face so that everyone can know a result, and direct intervention and joint intervention to a spot obtained by putting the weight are hardly caused. Improved magnetic storage, reduced risk of loss, and a new toy orientation are also provided.SELECTED DRAWING: Figure 6

The invention relates to a pitched roof sliding block structure and an application method, the pitched roof sliding block structure comprises a lower die base, a sliding block insert is arranged on the outer side of the lower die base in a sliding mode, and the surface of one side of the sliding block insert is a forming face; two inclined through holes are formed in the forming surface, and a first strip-shaped insert and a second strip-shaped insert respectively penetrate through the two inclined through holes; a driving unit is arranged on the lower die holder; an insert limiting block is arranged on the lower die base in a sliding mode, a limiting groove is formed in the insert limiting block, and the insert limiting block is connected with the lower die base through an elastic piece. Before injection molding, a first movable gap exists between the sliding block insert and the insert limiting block; when the elastic piece is not deformed, a second movable gap exists between the insert limiting block and the lower die holder; the core problems of space conflict, low efficiency, high cost and the like in opposite back-off product mold design are solved, the mold has the advantages of being compact in structure, efficient in demolding, controllable in cost, high in product yield and the like, and a reliable technical scheme is provided for the field of precise injection molding.

The utility model relates to the field of machining, in particular to an extruding and stretching forming die, which comprises a female die and a male die, a forming gap is arranged between the female die and the male die, and the size of a forming surface part of the forming gap, which corresponds to a processing material and has a planeness requirement, is consistent with the thickness of the processing material. And the size of the forming gap corresponding to the forming surface part of the processing material without the requirement of planeness is smaller than the thickness of the processing material. By arranging the forming gap between the female die and the male die, when the part, with the flatness requirement, of a machined material is subjected to extrusion operation, due to the fact that the thickness of the forming gap is consistent with that of the material, the material cannot generate internal stress, and the extruded part can have good flatness; the design that the forming gaps corresponding to other forming face parts without the flatness requirement are smaller than the thickness of the material can ensure that the machined material is pressed to deform in the extrusion process.

The invention relates to a flexible forming die. The flexible forming die comprises an upper die assembly and a lower die assembly which are oppositely arranged in the first direction. The upper die assembly comprises an upper die frame and an upper forming part, the upper forming part is connected with the lower side of the upper die frame, the lower surface of the upper forming part is a convex forming surface, the length direction of the upper forming part is a second direction, and the width direction of the upper forming part is a third direction; the lower die frame comprises a lower die end plate, a first wall block and a second wall block, the first wall block and the second wall block are arranged on the lower die end plate and arranged in the third direction in a spaced mode, a die cavity is formed between the first wall block and the second wall block, the flexible die body is installed in the die cavity and arranged opposite to the convex forming face, and the flexible die body is made of elastic materials. The support is used for supporting the fuel element plate. According to the flexible forming die, local stress concentration caused by point or line contact of a traditional hard die in the bending forming process of the fuel element is avoided.