121 results about "Forming face" patented technology

The invention provides a pre-forming device and a pre-forming method for a cold extrusion hub, relates to the technical field of hub machining, and aims to solve the technical problems of high production cost and low production efficiency caused by the fact that two sets of dies are needed for hub forming in the prior art. A cold extrusion hub pre-forming device comprises an upper die, a lower die, a side die, a cushion block, a first driving assembly and a fourth driving assembly, a first forming face is arranged at the bottom end of the upper die, the lower die is connected into a through hole in the middle of the side die, a second forming face is arranged at the top end of the lower die, a third forming face is arranged on the inner wall of the through hole, and the fourth driving assembly drives the cushion block to slide in the horizontal direction. The first driving assembly is connected with the upper die, during die assembly, the first forming face, the second forming face and the third forming face define a first forming die cavity, an annular groove is formed in the peripheral wall of the lower die in the circumferential direction to form a second forming die cavity, and the projection area of the first forming face is larger than that of the second forming face. The invention further discloses a cold extrusion hub pre-forming method which uses the cold extrusion hub pre-forming device.

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 invention relates to a novel hanging hole device in a sleeve and a using method thereof, and relates to the technical field of pipeline construction, the hanging hole device comprises a fixing disc and a galvanized iron sheet, the fixing disc is matched with the galvanized iron sheet to limit a pipeline arranged in the sleeve in a penetrating mode, the fixing disc is formed by splicing two semicircular discs, and the two semicircular discs are arranged on the pipeline in a sleeving mode and fastened; the galvanized iron sheets are fastened to the fixing disc through the water stop studs, the multiple galvanized iron sheets are sequentially arranged to define an annular hollow structure and are tightly attached to the pipeline, and adjustment is conducted by rotating the positions of the galvanized iron sheets. A water stop strip is arranged between the end of the water stop stud and a galvanized iron sheet, leakage is further reduced, the water stop stud penetrates through a screw hole and extends and is tied in a sleeve, after concrete is poured and formed, the water stop strip on one side of the fixing disc and the end of the water stop stud are cut off, the whole concrete forming face is smooth and full, formwork erecting and disassembling operation is easy, and repeated use can be achieved; and the construction quality of the concrete hanging hole is ensured.

The invention relates to a straight ejection inclined core-pulling structure which comprises an ejection block mold core, a core-pulling groove is formed in the forming face of the ejection block mold core, a first insert is arranged in the core-pulling groove in a matched and sliding mode, an ejection block cavity is formed in the ejection block mold core, a push rod is arranged on the first insert, and the push rod sequentially penetrates out of the core-pulling groove and the end, away from the core-pulling groove, of the ejection block cavity. A rack is embedded in the side wall of the first insert, a gear is rotationally arranged in the ejector block mold core, a guide sleeve is fixedly arranged on the gear in a penetrating mode, a second insert is arranged in the guide sleeve in a sliding mode, the second insert is in threaded connection with the ejector block mold core, and an ejector rod is arranged on the bottom face of the ejector block mold core. The first insert slides to perform inclined core pulling, and the rack on the side wall of the first insert drives the guide sleeve and the second insert to synchronously rotate through the gear, so that rotary demolding is realized, namely, inclined core pulling demolding of the inclined side face inverted buckle and rotary demolding of the side face threaded hole are simultaneously completed, a motor is not needed, and the size of the mold is reduced.

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 invention discloses a forming method of a wineglass-shaped micro-hemispherical harmonic oscillator. The forming method comprises the following steps: forming a middle column; forming a substrate; a forming mold is prepared, the forming mold is provided with a forming face and a forming cavity, the forming cavity comprises a first cavity formed in the forming face and a second cavity formed by downwards sinking the center of the bottom of the first cavity, the first cavity is matched with the outer wall face of a spherical shell of the micro-hemispherical harmonic oscillator, and the second cavity is matched with the side wall face of the middle column; a middle column is arranged in the second cavity, the bottom of the cavity wall of the first cavity is formed by the top face of the middle column, and the substrate is arranged on the forming face of the forming mold; and the forming cavity is made to be in a negative pressure environment, the substrate is melted and heated, the substrate is softened and attached to the cavity wall of the first forming cavity under the negative pressure effect, and after the softened substrate is solidified, the wineglass-shaped micro-hemispherical harmonic oscillator is obtained. The overall structural strength of the wineglass-shaped formed micro-hemisphere can be improved, and the energy loss of the wineglass-shaped formed micro-hemisphere is reduced.

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 particularly relates to a chamfering-free forging die for a bevel gear, and belongs to the technical field of dies. The chamfering-free forging die of the bevel gear comprises a die body, the die body comprises a first face and is provided with a cavity, an opening of the cavity is formed in the first face, the cavity comprises a frustum-shaped peripheral wall, the large-diameter side of the peripheral wall is close to the first face, and a plurality of protrusions are arranged on the peripheral wall in the circumferential direction of the peripheral wall at intervals. A tooth portion forming cavity used for forming a tooth portion of the bevel gear is formed between every two adjacent protrusions, each protrusion comprises two tooth face forming faces, the tooth face forming faces are used for forming tooth faces of the tooth portion, the tooth face forming faces are connected with the first face through inclined transition faces, and the inclined transition faces are connected to the side, connected to the tooth face forming faces, of the tooth face forming faces to the side, connected to the first face, of the tooth face forming faces. And the inclined transition surface gradually inclines towards the interior of the tooth part forming cavity. By means of the inclined transition face, after the bevel gear is formed, a receding face can be formed between the tooth face and the back cone part, burrs generated during turning cannot affect meshing of the bevel gear, and the bevel gear does not need to be chamfered.

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 relates to a material returning device and a hot air expansion device, the hot air expansion device comprises an upper die and a lower die, the material returning device is arranged on a die body of the upper die and / or the lower die, the die body is provided with a first forming surface used for defining a die cavity, and the material returning device comprises a material returning device and a material returning driving device; the material returning device is provided with a second forming face used for defining a die cavity, the material returning device is arranged on the die body in a reciprocating sliding mode, at least one of the matching faces, in sliding fit with the die body, of the material returning device is provided with a concave part so that a first oxide skin discharging channel can be formed between the material returning device and the die body, and the first oxide skin discharging channel extends in the sliding direction of the material returning device. The material returning driving device is arranged on the die body and is in transmission connection with the material returning device so as to drive the material returning device to slide in a reciprocating mode. The oxide skin falling in the expansion process can be discharged through the first oxide skin discharging channel and is prevented from staying between the material returning device and the die body, and the situation that the material returning device is blocked and cannot be reset due to the oxide skin is reduced.

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.

The invention relates to the technical field of metal plastic processing, and discloses a method for improving thickness uniformity of a rib part of a high-rib thin-wall cylindrical component formed by local shearing, which comprises the following steps of: clamping a cylinder blank to a mandrel of a spinning machine tool by applying radial constraining force; a flowing spinning roller of a double-conical-surface structure is selected for flowing spinning, the flowing spinning roller is controlled to conduct one-pass overall thinning on a barrel body of the barrel blank from a forming working face of the flowing spinning roller, then second-pass local thinning is conducted on part of barrel sections, and a step-shaped forming face is formed at the tail end of the second-pass local thinning barrel section; and a shearing spinning roller is selected to conduct local shearing forming, the bottom of the forming face serves as a shearing starting position, the shearing spinning roller is controlled to conduct axial shearing feeding on the non-thinned barrel section, and the annular outer rib barrel-shaped piece is obtained. The method is simple, compared with the prior art, the process device is further simplified, the thickness uniformity of the high ribs is improved, and the requirements of a multi-rib structural component and a variable-wall-thickness component can be met.

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 provides a film production line, which belongs to the technical field of new energy and comprises a coating device, a heating and stretching device, a traction device and a winding device which are sequentially arranged, the coating device is provided with a coating head used for spraying slurry to a forming face to form a film. The heating and stretching device is provided with a stripping roller for stripping the film from the forming surface and a plurality of heating rollers which are sequentially arranged, and the film is heated and stretched through the plurality of heating rollers; the traction device is used for pulling the film; the winding device is used for winding a film onto a winding roller; according to the film manufacturing production line, the heating and stretching device is arranged and used for heating and stretching the film, so that the thickness of the film meets the requirement, the tension of the film is controlled through the heating rollers which are sequentially arranged, then the film is dragged through the traction device, control over the tension of the film is kept, and the film manufacturing quality is improved. Therefore, the problems of tearing, wrinkling and the like of the film are avoided.

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 utility model relates to a glove box inner hopper cavity injection mold side pulling mechanism, which comprises a mold core plate with a molding surface and a mold cavity plate, and further comprises an inner hopper cavity side pulling mechanism, the inner hopper cavity side pulling mechanism is used for molding and demolding an inner hopper cavity part of a glove box main body, and the inner hopper cavity side pulling mechanism comprises a molding block with an inner hopper cavity molding surface and a driving assembly; the forming block is slidably connected to the core plate in the inclined mold opening direction of the mold, a limiting block is fixedly connected to the forming block, the driving assembly is used for driving the limiting block to slide, and when the driving assembly drives the limiting block to slide to the limiting position towards one side of the core plate, the limiting block abuts against the core plate, and the forming face on the forming block does not make contact with the core plate. When the driving assembly drives the limiting block to slide towards the side away from the core plate, the forming block is separated from the inner hopper cavity of the formed product, partial demolding of the inner hopper cavity is completed, the moving stroke of the core plate and the cavity plate is reduced, the manufacturing cost of the mold is reduced, and the machining efficiency is improved.

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 utility model provides an integrated high-precision bending punch which is provided with a forming face, a local forming step, an avoiding position and a forming R angle, the whole bending punch is fixedly installed on a die, the avoiding position avoids a part and a protruding position of a forming die block, and the local forming step is located at the forming position of the bending punch and the part. An integrated design and machining mode is adopted, workpieces with high precision and high smoothness requirements are effectively achieved, die marks are obviously eliminated through design and machining of a mechanical die, and the requirement for attractive appearance of parts is met.

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.