94 results about "Forming face" patented technology

The invention relates to a knitted full-forming face protection product and a preparation method thereof, and belongs to the technical field of full-forming knitting. The knitted full-forming face protection product comprises a knitted full-forming mask, and the knitted full-forming mask comprises a first hanging rope part, a first light reflecting part, a mask face part, a mask ventilation part, a second light reflecting part, a nose wing protruding part and a second hanging rope part. The first hanging rope part, the first light reflecting part, the mask face part, the mask ventilation part, the second light reflecting part, the nose wing convex part and the second hanging rope part are integrally connected; and / or, the knitting fully-formed mask comprises a third hanging rope part, a mask lower jaw part, a third light reflecting part, a mask face part, a mask ventilation part, a fourth light reflecting part, a nose wing upheaval part, a mask forehead part and a fourth hanging rope part. The third hanging rope part, the mask lower jaw part, the third light reflecting part, the mask face part, the mask ventilation part, the fourth light reflecting part, the nose wing upheaval part, the mask forehead part and the fourth hanging rope part are integrally connected. According to the invention, masks or masks can be simply and efficiently produced.

The invention discloses a manufacturing mold and a manufacturing method of a cast-in-place decorative concrete product, and belongs to the technical field of building construction. The supporting base plates are detachably installed on the base, the supporting base plates and the supporting face are subjected to die assembly to form a forming cavity with an opening in the top, and installation grooves are formed in the inner surfaces of the supporting base plates in an array mode; the multiple vibrators are embedded into the corresponding mounting grooves correspondingly, and all the vibrators are electrically connected with a controller arranged on the outer side of the forming cavity; the multiple vibration transmission plates correspondingly cover the inner surfaces of the supporting base plates respectively and abut against the output ends of the vibrators; the multiple forming panels correspondingly and detachably cover the sides, away from the supporting base plate, of the vibration transmission plates, and texture structures are prefabricated on the inner surfaces of the forming panels; the two adjacent forming panels are connected in a sealed mode, and the forming quality of the cast-in-place decorative concrete product can be effectively guaranteed.

The utility model provides a large elastic block demolding mechanism of an automobile instrument framework mold, and belongs to the technical field of molds. The die comprises a lower die plate, a left insert and a right insert which are spliced with each other are arranged at the top end of the lower die plate in a protruding mode, and the outer surfaces of the left insert and the right insert form a lower forming face forming a forming cavity. The lower forming face is a part of a forming cavity for forming the automobile instrument framework in an injection molding mode, and the elastic block demolding assembly is arranged at the instrument installation groove forming position on the left insert. The elastic block demolding assembly can apply obliquely upward thrust to the position of an instrument mounting groove of the instrument framework in advance so that the position of the instrument mounting groove of the instrument framework can be separated from the lower mold plate firstly, and therefore the situation that a mounting support is broken during ejection is prevented, and the lifting assembly drives the ejection plate to ascend, and thrust can be applied to the instrument framework through the ejection assembly so that a product can be ejected out. The end core-pulling assembly can automatically pull a core during mold opening.

The utility model discloses a reinforcing steel bar positioning device, which belongs to the field of building manufacturing, and comprises a reinforcing steel bar matching piece which is of a plate-shaped structure and comprises a plurality of longitudinally arranged clamping parts, the clamping parts are provided with clamping holes, and notches are formed in the clamping holes, so that reinforcing steel bars are clamped into the clamping holes from the notches; the mold matching part is located at one end, in the longitudinal direction, of the steel bar matching part and comprises a first supporting arm and a second supporting arm, an included angle a is formed between the first supporting arm and the second supporting arm, and the included angle a ranges from 85 degrees to 95 degrees so that the mold matching part can be clamped into an external corner of a stair mold forming face. According to the steel bar positioning device, the shape structure of a stair mold is fully utilized, the mold matching piece with the splayed bottom is clamped with the stair mold, and the steel bar positioning device is combined with the external corner of the forming surface of the stair mold to limit steel bars, so that the movement range of the steel bars is effectively limited, and a steel bar layer does not slip as far as possible under various disturbances; and the protection layer is controlled accurately.

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 utility model discloses a side core-pulling type shell injection mold which comprises an upper mold, a lower mold, a first hole forming sliding block structure, a second hole forming sliding block structure, a side core-pulling mechanism and a glue injection mechanism, the upper mold is provided with an upper mold core, the bottom of the upper mold core is provided with a first forming surface, the lower mold is provided with a lower mold core, and the top of the lower mold core is provided with a second forming surface; a third forming face is arranged on the side, close to the lower mold core, of the first sliding block, and a through hole forming part is arranged on the third forming face. The side, close to the lower mold core, of the insert is provided with a fourth forming face, the end, close to the insert, of the second sliding block is connected with a core used for forming an inner cavity of a shell, the core penetrates through the insert to be arranged between the upper mold core and the lower mold core, and the side, close to the lower mold core, of the third sliding block is provided with a fifth forming face. The top of the third sliding block is downwards provided with a glue inlet runner exposed out of the fifth forming face. Glue can be fed from the side face of the shell, water gap marks are prevented from being left on the top face of the shell, and the attractiveness of the shell is better.

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 belongs to the technical field of injection molds, and particularly relates to a mutual inductor shell injection mold which comprises an upper mold assembly, a lower mold assembly and an ejection mechanism arranged on the lower mold assembly, the upper mold assembly and the lower mold assembly are connected in a guiding mode, an injection molding opening is formed in the upper mold assembly, and the upper mold assembly and the lower mold assembly are buckled to form a forming cavity of a mutual inductor shell. The lower die assembly comprises a lower die base, a fixed male die arranged on the lower die base and a movable male die with a forming face, the fixed male die, the movable male die and the upper die assembly are buckled to form a forming cavity, and a protrusion used for forming a pit is arranged on the forming face. The fixed male die is provided with a guide groove which is matched with the movable male die and inclines towards the interior of a cavity of the mutual inductor shell, the movable male die has the freedom degree of moving towards the interior of the cavity of the mutual inductor shell along the guide groove to retreat from the pit through an ejection mechanism, and the die can achieve smooth demolding of the mutual inductor shell from the male die.

The utility model belongs to the technical field of woven bag edge sealing equipment, and particularly relates to an edge sealing device for woven bag production, which comprises a working table, the working table comprises an extension plate fixed on one side, and a conveying part for driving woven bags to be continuously conveyed is arranged in the working table. The conveying part can press the woven bag while conveying, and the workbench is provided with an edge sealing part which is located on the conveying path of the conveying part and can conduct hot melting on the upper surface and the lower surface of the woven bag at the same time; firstly, the arranged conveying component is matched with the edge sealing component, the conveying component can continuously convey woven bags, then continuous edge sealing work of the woven bags is achieved through the edge sealing component, and the working efficiency is improved while the edge sealing effect is guaranteed; the extracting and cooling part can extract harmful gas generated in the hot melting process of the woven bag and can synchronously cool the two hot-melting and forming faces of the woven bag in the gas collecting process, and therefore the hot melting quality of the woven bag is guaranteed.

The utility model relates to the technical field of blanking dies, in particular to a blanking die side cutting pre-blanking structure, which comprises an upper die cutter arranged on an upper die unit and a lower die cutter arranged on a lower die unit, the upper die cutter comprises an upper side cutter and an upper middle cutter which are fixed on the upper die unit, and the lower die cutter comprises a lower side cutter and a lower middle cutter which are fixed on the lower die unit. The lower die cutter comprises a lower side cutter and a lower middle cutter which are fixed on the lower die unit; by adopting the design of the lower middle cutter and the upper middle cutter, side cutting operation of two stations can be formed, so that side cutting forming operation of two products can be completed at the same time, the processing efficiency of sheet side cutting is effectively improved, and by adopting the matching of the forming surface and the forming block, the forming efficiency is improved. According to the side cutting and preforming die, when the upper die unit and the lower die unit are closed, preforming operation of a sheet can be achieved through extrusion matching of the forming face and the forming block, integrated operation of side cutting and preforming is achieved, the overall structural design is simple, and convenience and high efficiency of current part forming are greatly optimized.

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 provides an automobile headrest cover cap mould with an improved sliding block and an improved ejection structure, which comprises an upper mould and a lower mould which can be opened and closed, and a lower mould core is arranged in a mould cavity of the lower mould; the lateral sliding block mechanism comprises a first wear-resistant block fixed on the lower die and a lateral sliding block horizontally sliding along the surface of the first wear-resistant block, the lateral sliding block is Z-shaped, one end, close to the forming cavity, of the lateral sliding block is provided with a forming bulge, and one end, away from the forming cavity, of the lateral sliding block is provided with an inclined hole; the ejector rod is obliquely mounted in the upper die and is arranged in the inclined hole; the pitched roof core-pulling mechanism comprises a pitched roof rod, a pitched roof guide piece and a pitched roof sliding block, the pitched roof guide piece and the pitched roof sliding block are fixed on the lower die, the pitched roof sliding block is arranged in the pitched roof seat, and the tail part of the pitched roof rod is hinged on the pitched roof sliding block. The lateral sliding block mechanism is matched with the inclined ejection core-pulling mechanism, smooth demolding of the headrest cover is completed, the production efficiency is improved, the ejection mechanism is provided with a forming face, the headrest cover is evenly stressed when ejected out, and the surface quality of a plastic part is guaranteed.

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 discloses a die structure applied to a fixing ring, which relates to the technical field of die stamping manufacturing and comprises an upper die, a lower die and a lower die. The upper male die is located in the upper male die hole, and an upper male die forming face is arranged on the lower side of the outer side wall of the upper male die. A sliding block cavity and a vertical lower top die hole are sequentially formed in the lower die from top to bottom; a sliding block inclined surface is arranged at the position, facing the guide inclined surface, of the lower sliding block, and a lower sliding block forming surface is arranged at the position, facing the upper male die, of the lower sliding block; the lower top die is positioned in the lower top die hole; a workpiece can be quickly machined into a fixing ring, the first outer forming face of the lower sliding block forming face corresponds to an upper side vertical ring part of the workpiece, the second outer forming face corresponds to a convex ring part of the workpiece for forming, the top face of the lower top die corresponds to a lower side horizontal ring part of the workpiece for forming, and particularly convex ring parts with various section shapes are machined. The finished product effect is ensured.

The invention relates to the field of special-shaped optical fiber processing equipment, and discloses special-shaped optical fiber bundle forming tool processing equipment, a processing method and a forming tool. The special-shaped optical fiber bundle forming tool processing equipment comprises a pressure machine table, a heating device and a forming mold, and the forming mold comprises a bottom mold, a side mold, an extrusion mold and a special-shaped mandrel; the bottom die is installed on a working table of a press machine table, the side die is installed on the bottom die, a special-shaped tool forming cavity is formed in the side die, an extrusion boss is arranged on the extrusion die, the extrusion die is installed on the side die through cooperation of the extrusion boss and the special-shaped tool forming cavity, and the outer side face of the special-shaped mandrel is arranged to be a special-shaped forming face. One end of the special-shaped mandrel is installed in the mandrel positioning hole in the bottom die, the other end of the special-shaped mandrel is installed in the special-shaped mandrel receding hole in the extrusion die in a sliding mode, the heating device is arranged in the adjacent area of the forming die, machining of the special-shaped optical fiber bundle can be facilitated, and the forming effect of the special-shaped optical fiber bundle is guaranteed.

The invention discloses a testing device for underground diaphragm wall pouring, and the testing device comprises a visual box body which comprises an opening end part and an accommodation cavity; the reserved groove box is arranged in the accommodating cavity; the material lifting device is used for conveying materials into the containing cavity. The testing device for underground diaphragm wall pouring can be repeatedly used, soil body contact forming faces are reserved (the reserved groove box ensures that the contact faces of different tested soil bodies are consistent), the pouring situation can be observed (the pouring situation can be observed through the visual box body), soil body grooving is easy, and the testing efficiency is improved. The problems that an existing test device is high in test cost, large in detection difficulty, high in labor cost, difficult to operate repeatedly, not easy to observe, incapable of reflecting the influence of pouring influence factors of the reduced-scale underground diaphragm wall on forming of the reduced-scale underground diaphragm wall and the like are solved.

The invention belongs to the technical field of composite material component manufacturing in the technical field of aerospace, and discloses an integral demolding device and method for a cylinder section workpiece. The device comprises a barrel-shaped mold and a demolding ring, the barrel-shaped mold is of a conical integrated structure, a large end face and a small end face are formed at the two ends of the barrel-shaped mold respectively, the outer side wall face of the barrel-shaped mold forms a working face, and the working face sequentially comprises a barrel section workpiece size forming face and a barrel section workpiece demolding auxiliary allowance forming face in the direction from the small end face to the large end face; the demolding ring belt comprises a demolding ring and a push-out assembly, the demolding ring is clamped between the barrel section workpiece demolding auxiliary allowance part and the barrel section workpiece demolding auxiliary allowance forming face, and the push-out assembly is arranged on the barrel-shaped mold and is in transmission connection with the demolding ring so that the demolding ring can move in the direction towards the small end face. And the demolding action force is transmitted to the cylinder section workpiece size forming part through the cylinder section workpiece demolding auxiliary allowance part. In this way, nondestructive demolding can be conducted on the cylinder section workpiece, and the demolding ring is simple in structure, convenient to use and high in efficiency.

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 discloses a glass lens mold pressing mold which comprises an upper mold core, a lower mold core and a sleeve, and the lower portion of the upper mold core and the upper portion of the lower mold core are located in the sleeve; the side face, facing the lower mold core, of the upper mold core is an upper forming face, the side face, facing the upper mold core, of the lower mold core is a lower forming face, the inner wall of the sleeve is suitable for limiting the outer diameter of the glass lens, and a mold pressing cavity of the glass lens is defined by the upper forming face, the lower forming face and the inner wall of the sleeve. According to the arrangement, the outer diameter of the glass lens to be subjected to compression molding is directly limited by the inner wall of the sleeve, so that the structure of a compression mold is simplified, and the mold cost is reduced; and in the process of heating the mold pressing mold, heat can be directly transferred to the glass material from the sleeve, so that the intermediate transfer process of the heat is omitted, the glass material can be heated to the glass softening temperature in a shorter time, the heating time of the mold pressing mold is shortened, and the mold pressing time of a glass lens is shortened.

The utility model discloses a forming die for a medical mask, which comprises an upper die, a lower die and an elastic ejection component arranged in the lower die, the elastic ejection component consists of a spring ejector pin and a cavity insert, the spring ejector pin comprises an ejector pin part and an ejection spring, and the lower die is provided with a limiting groove for placing the ejection spring. The upper mold is provided with an air inlet and a cylindrical limiting groove, the air inlet is located in a non-forming key area of the neck of the upper mold, during working, a green body is put into an upper mold cavity and then mold closing is conducted, the cylindrical limiting groove pushes the cavity insert to move downwards to compress the spring ejector pin, the cavity is closed, and supercritical fluid is injected into the cavity through the air inlet to be foamed and formed; during demolding, the upper mold moves upwards, the spring ejector pin rebounds to push the cavity insert to move upwards, the forming mask is driven to be separated from the lower mold, and convenient demolding is achieved. The problem that demolding is difficult is solved through the elastic ejection assembly, the conical exhaust hole exhausts air thoroughly, the air inlet hole is reasonable in arrangement, the product quality and the production efficiency are improved, and the medical mask mold is suitable for batch production of medical masks.

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 provides a sliding block feeding mechanism of a zinc alloy electric tool outer cover die-casting die, and belongs to the technical field of dies. The die comprises an upper die and a lower die, and the middle of the lower die is concavely provided with a lower forming groove. The upper forming face, the lower forming face, the first side forming face and the second side forming face are combined to form a forming cavity matched with a shell structure, and the problem that middle pouring cannot be achieved due to sliding block shielding is solved; molten liquid can penetrate through a sliding block on the side part of a product to enter a forming cavity, so that pouring from the middle of the length or the width of the shell is realized; and by means of the multi-dimensional penetrating type pouring runner structure, pouring can be conducted from the front height and the rear height of the forming cavity under the condition that the number of injection molding pipes is not increased, the pouring effect can be further improved, and the shell forming quality is guaranteed.