22 results about "Shell molding" patented technology

The invention relates to the technical field of draining basket shell preparation, in particular to a multifunctional draining basket shell forming preparation process which comprises the following steps: (1) raw material pretreatment: selecting a PET (polyethylene terephthalate) raw material, and drying the PET raw material by a dryer for 6 hours; (2) melting treatment: adding the PET raw material treated in the step (1) into an injection molding machine, and uniformly melting the PET material by controlling the heating temperature of a screw rod; and (3) injection molding: injecting the molten material obtained in the step (2) into a mold, controlling the mold temperature of a hot runner to be 120 DEG C, and adopting a centrosymmetric pouring gate. The invention aims to solve the problems that when the draining basket is produced, residual moisture which is not removed can be quickly vaporized in the heating link of draining basket shell molding, gas generated by vaporization cannot be discharged in time, and the production cost is low. And obvious bubbles, crazes and other defects can be formed in the product or on the surface of the product.

The application discloses a shell slurry performance online quantitative evaluation system and method based on wax mold surface modification, and the system comprises a multi-state wetting wax mold preparation module, an automatic coating and multi-parameter rheological observation module and a precise wax residue analysis module which are sequentially connected and cooperatively work; the multi-state wetting wax mold preparation module selectively manufactures patterned areas with different hydrophilic and hydrophobic characteristics including hydrophilic, hydrophobic and super-hydrophobic on the surface of a standard test wax mold by controlling ultraviolet laser processing parameters; the automatic coating and multi-parameter rheological observation module is used for automatically completing slurry coating and quantifying the leveling behavior of the slurry based on machine vision; the precise wax residue analysis module adopts laser-induced breakdown spectroscopy technology and is used for quantitatively detecting the wax residue on the inner surface of the shell after dewaxing. The application also discloses an online quantitative evaluation method, which can provide direct and reliable data support for optimizing the slurry formula and the shell preparation process, thereby realizing automatic, high-precision and low-cost online quality control and reducing the casting scrap rate from the source.

This utility model discloses a display shell molding mold, including an upper mold, a lower mold, a first molding mechanism, and a second molding mechanism. The upper mold has a cavity, and the first molding mechanism includes a first molding part and a first displacement device. The first molding part has a first molding surface. The lower mold has a core, and the second molding mechanism is disposed on the lower mold. The second molding mechanism includes a second molding part, a mounting base, and a second displacement device. The second molding part has a second molding surface. A first release coating is provided on both the first molding surface and the second molding surface. The core, the cavity, the first molding surface, and the second molding surface form an injection mold cavity. In this way, the design of each component facilitates the ingenious arrangement of the overall mold structure. Combined with the setting of the first release coating, the contact friction between the corresponding molding slider and the injection molded product is reduced, thereby avoiding damage when the injection molded product separates from the corresponding slider, ensuring the molding quality of the injection molded product, and meeting the user's needs.

This invention relates to the field of injection mold technology, and provides a plastic shell molding mold, including a fixed mold base plate, a movable mold base plate disposed on one side of the fixed mold base plate, and a base plate disposed on the side of the movable mold base plate away from the fixed mold base plate. This invention, through the provision of a fixing structure, places two sets of slide rails parallel and symmetrically on one side of the fixed mold base plate and the movable mold base plate. Moving bolts into the mounting groove allows the slide rails to be fixedly connected to the fixed mold base plate and the movable mold base plate respectively via bolts. Both ends of the slide rails are chamfered, allowing the slide rails to quickly move into the sliding groove, thereby enabling the punch and die to be quickly installed and fixed. Under the elastic force of a first return spring, the top of the positioning block moves into the positioning groove, allowing the punch and die to engage with the slide rails respectively via the positioning block, thus enabling the punch and die to be quickly positioned. Replacement is time-saving and labor-saving, thereby improving the working efficiency of the plastic shell molding mold during use.

The utility model discloses an electronic cigarette shell forming die. The electronic cigarette shell forming die is characterized by comprising an upper die, a lower die and a forming sliding block mechanism, the forming sliding block mechanism comprises four forming sliding blocks, an inclined guide column and an elastic reset piece, the lower mold is provided with a mold core, the four forming sliding blocks are arranged around the four side faces of the mold core, the three forming sliding blocks are provided with first forming faces, the mold core is provided with a second forming face, the second forming face is provided with a cigarette holder forming part, and the other forming sliding block is provided with an extending part. The extending part is provided with a third forming face, and the mold core is provided with a first sliding groove. The inclined guide pillar is arranged on the upper die; the upper die is provided with a cavity, and the cavity is provided with a fourth forming surface; an injection mold cavity is defined by the first to fourth molding surfaces; thus, through the design of all the components, integrated injection molding of the cigarette holder and the shell is achieved, the follow-up assembly operation between the shell and all the components is facilitated, and therefore the production efficiency and quality stability of products are improved, the yield of injection molding workpieces is guaranteed, usability is good, and the application range is wide.

A tooling assembly (102) for forming a can end shell includes an upper tool assembly (104), a lower tool assembly (106), and at least one force measuring device (132) within at least one of the upper tool assembly (104) or the lower tool assembly (106). The upper tool assembly (104) and the lower tool assembly (106) cooperate in the can end shell forming process to form the can end shell from a metal blank. The force measuring device (132) measures the load in the upper tool assembly (104) and / or the lower tool assembly (106). A can end shell forming method includes receiving a metal blank between an upper tool assembly (104) and a lower tool assembly (106), coordinating the upper tool assembly (104) with the lower tool assembly (106) so that at least one upper forming surface and at least one lower forming surface form the metal blank into a can end shell, and measuring the load using a force measuring device (132).

The invention relates to the field of metal investment precision casting, in particular to a precision casting shell modeling and positioning device and a using method. The positioning device is of a semicircular structure composed of an inner positioning layer and an outer positioning layer, the outer positioning layer and the inner side of a sand box are positioned in a contact mode, the outer positioning layer is matched with the inner side of the sand box in shape and tightly attached to the inner side of the sand box, the outer positioning layer and the inner positioning layer are fixedly connected, and the inner positioning layer and the fixed position of the outer side of a shell are positioned in a contact mode. And the shape is consistent with that of the outer side of the shell positioning part. After the shell is put into the sand box by using the positioning device, the position of the shell in the sand box can be determined, the relative height of outer layer positioning and inner layer positioning in the positioning device can be adjusted according to the molding requirement of the shell, and then the spatial position of the shell in the sand box is fixed; and the purpose of unifying the spatial positions of all the shells in the sand box is achieved. The positioning device is simple in structure, low in cost, high in practicability and remarkable in economic benefit.

The invention discloses a method for producing a high-precision corrosion-resistant casting through shell mold casting and application of the method, and belongs to the technical field of casting. The method comprises the steps of shell mold manufacturing, shell boxing, melting casting and casting taking-out, specifically, precoated sand containing chromite sand, modified phenolic resin and the like is prepared, after shell manufacturing, steel shots are filled for compaction, molten iron containing C, Si, Ni, rare earth and the like is cast at the temperature of 1350-1400 DEG C, and after cooling, the casting is taken out and cleaned. According to the method, the corrosion resistance, the precision and the mechanical property of the casting are improved through material component collaboration and process optimization, and the method is suitable for the fields of pump valves, marine equipment and the like.

The invention relates to the technical field of casting equipment, in particular to precoated sand shell mold casting equipment. The invention provides precoated sand shell mold casting equipment which comprises a base, rolling wheels which are evenly distributed are rotatably connected to the base in the horizontal direction and used for bearing and conveying a lower mold, guide frames which are symmetrically distributed are fixedly connected to the base, and first sliding blocks are slidably connected to the interiors of the guide frames in the vertical direction; an upper die is connected between the symmetrically-distributed first sliding blocks in a horizontal sliding mode, and a support is fixedly connected to the base. The toggle rod linkage mechanism is driven by the cam, so that stable lifting of the upper mold is realized; during mold closing, through rapid approaching and low-speed high-pressure reinforcement, idle stroke is shortened, mold locking force is amplified, and sand shooting leakage is prevented; mold opening is slowly relieved from a dead point, and a shell mold or a mold is prevented from being damaged; the toggle rod is mechanically self-locked after going through the dead point, the motor stops rotating, the mold is still closed, safety and stability are improved, energy consumption is reduced, and the problems that mold opening and closing of traditional equipment are prone to being stuck, and stability is poor are fundamentally solved.

The utility model belongs to the field of trunk shell stamping dies, and particularly relates to a trunk shell die-forming ejection device which comprises a stamping die body and a pressing mechanism installed on the surface of the stamping die body, the stamping die body comprises a bottom table, and the top of the bottom table is fixedly connected with a lower die. An upper mold is mounted at the top of the lower mold, and a vertical frame is fixedly connected to the surface of the bottom table; according to the utility model, deformation is recovered after the tension spring is stretched and deformed, the reset spring is recovered after the reset spring is compressed and deformed, meanwhile, the transverse plate is pushed to move upwards, the vertical plate is driven to move upwards through the movement of the transverse plate, the pushing plate is driven to move through the movement of the vertical plate, and the ejection block extends into the open slot to eject the molded mold; the problem that the stamping effect is affected due to the fact that the stamped luggage case shell is usually placed in a bottom forming die and is difficult to take out from the bottom forming die under the stamping force is solved.

This utility model relates to a 3C electronic product shell molding mold applied in the field of mold manufacturing technology. It realizes the process of placing the electronic product component on a pressure plate within a tray, then using a controller to activate a hydraulic cylinder to drive the upper mold to stamp the electronic product component. After stamping, an electric push rod is activated to push the pressure plate upwards. A removable protective sleeve is fitted onto the surface of the pressure plate. As the pressure plate moves upwards, rollers on the sidewall of the protective sleeve roll synchronously upwards within a groove, reducing friction with the inner wall of the lower mold. When the pressure plate pushes the formed product shell outside the lower mold, a servo motor drives a rotating shaft to rotate a robotic arm and an electric gripper. The electric gripper is rotated to a position above the product shell, and then automatically clamps and removes the product shell. The rotating shaft is then driven to reset the robotic arm and electric gripper to fit against the sidewall of the worktable, avoiding interference with the upper mold operation.

This application relates to the field of unmanned aerial vehicle (UAV) technology, and more particularly to a high-strength carbon fiber shell molding process for UAV fuselages. The high-strength carbon fiber shell molding process for UAV fuselages includes the following steps: material preparation → cutting → coating with epoxy foam material → bonding → mold closing → hot pressing → demolding → finishing → finished product. The material preparation involves preparing carbon fiber cloth with the same carbon fiber direction. The bonding process involves bonding n layers of carbon fiber cloth coated with epoxy foam material on one side to m layers of carbon fiber cloth, respectively. The fiber direction angles of any two adjacent bonded layers of carbon fiber cloth are different, where n is 3-6 and m is 8-15 degrees. The high-strength carbon fiber shell molding process proposed in this application, through simple process steps and optimized material combinations, can produce high-strength carbon fiber shells with excellent appearance quality, meeting the strength and appearance quality requirements of UAV fuselages, and has low cost and high production efficiency.

The utility model discloses plastic shell forming equipment with an automatic trimming function, which comprises a mold, an injection molding channel is arranged on one side surface of the mold, one end of the injection molding channel is shrunk to form an injection molding hole communicated with an upper mold cavity of the mold, an injection molding pipe is mounted on the outer side surface of the mold, and the bent part of the injection molding pipe protrudes to form a thickened part. A shaft hole communicated with the injection molding channel is formed in the center of the thickening part, a push rod is arranged in the shaft hole, a polishing head is installed at one end of the push rod, and the other end of the push rod extends to the outside and is provided with a driving mechanism for driving the push rod to axially move and rotate. The injection molding device is simple in structure, residual solution in an injection molding hole can be pushed into a mold cavity, a large protruding part is prevented from being formed, the push rod can rotate, the polishing head is driven by the rotation of the push rod, the part adhered to a product can be torn through the rotated polishing head, the redundant part can be polished, and the production efficiency is improved.

The present invention provides a multi-sequence UD molding method for a wind turbine blade, comprising the following steps: S1, preparing a UD mold: cleaning a surface of the UD mold, and applying a mold release agent to an inner surface of the UD mold; S2, sequentially laying a first continuous mat and a first release fabric on the UD mold; S3, laying a first sequence of UD plies; S4, preparing a silicone mold; S5, laying a second sequence of UD plies; S6, connecting the silicone mold to the first sequence of UD plies and the second sequence of UD plies; and S7, applying and holding a vacuum, and resin infusion and curing. In the present invention, using a silicone mold and then positioning the silicone mold after laying a first sequence of UD plies allows for a multi-sequence UD layup to be molded in a single resin infusion, and for better aligned side edges between a first sequence of UD plies and a second sequence of UD plies, thereby improving the fit between multi-sequence UD layup and shell / core materials during molding, and improving shell molding efficiency and quality.

The utility model discloses a differential shell modeling mould for a sand mixer, which comprises a base and a frame fixedly connected to the top of the base, an upper mould mechanism is mounted on the frame, a lower mould body is mounted on the base and corresponds to the upper mould mechanism, and an ejection component is mounted at the bottom of the base and corresponds to the lower mould body. The upper die mechanism comprises an electric cylinder fixedly connected to the rack, the output end of the electric cylinder is fixedly connected with an upper die body, and clamping positioning assemblies are installed on the two sides of the upper die body. According to the utility model, through the arrangement of the clamping and positioning assembly, stable die assembly of the clamping and positioning assembly and the lower die body can be realized when the upper die body and the lower die body are assembled, so that the production quality of the differential shell is ensured, and meanwhile, through the liftable ejection plate, the differential shell can be conveniently ejected out after the production of the differential shell is finished, and the production efficiency is improved. Therefore, the production efficiency of the differential shell is improved.

According to the wax mold for medical half support forming, one side of a wax mold body structure is connected with a boss through a necking section, the mold comprises an upper mold body and a lower mold body, and the lower mold body is provided with a first through hole, a plurality of second through holes and a driving structure; a lifting plate; the jacking mechanism is used for driving the lifting plate to lift; the support and the ejector pins are fixedly arranged on the lifting plate; the movable mold comprises two swing arms hinged through a hinge shaft, the support supports the hinge shaft in the vertical direction, one end of each swing arm is a movable module, and the other end of each swing arm is a driving block; when the lifting plate is located at the first position, the two movable modules are closed to form an auxiliary cavity which is in sealed connection with the first through hole, and the upper mold and the lower mold form a main cavity after being in butt joint with the end of the ejector pin. And in the ascending process of the lifting plate, the ejector pin jacks up the body structure, the movable molds synchronously ascend until the driving block and the driving structure act, and when the lifting plate is located at the second position, the two movable mold blocks are located at the positions of avoiding the bosses, so that the forming precision of the wax mold is improved, and the labor intensity is reduced.

This invention relates to a one-piece molding die and its preparation method for a composite material corrugated sandwich cylindrical pressure shell, belonging to the field of composite material pressure shell molding technology. The process employs continuous fiber winding or prepreg placement. During preparation, the inner panel molding die is mounted on a winding machine, the core molding die is fixed to the inner panel molding die with screws, and the outer panel molding die is fastened to the outermost side of the core molding die with external clamps. Finally, the three molds are combined into a single unit and co-cured in an autoclave to produce a composite material corrugated sandwich cylindrical pressure shell suitable for various load conditions. This composite material corrugated sandwich cylindrical pressure shell is manufactured in one piece with continuous fibers in both the circumferential and axial directions, exhibiting good thickness consistency. Compared to other similar preparation methods, this invention is simple and fast to operate, and can rationally allocate material properties according to load conditions, truly achieving the goal of reducing structural weight and increasing effective load.

The invention discloses a process for casting grinding balls through horizontal stack box precoated sand shell molds, and relates to the technical field of precoated sand shell mold casting. According to the process, precoated sand shell molds are stacked layer by layer to achieve horizontal pouring, scrap steel, ferrochrome, ferromanganese and a carburant are added into a smelting furnace according to the proportion and smelted to the temperature larger than or equal to 1520 DEG C, 0.4-0.7 Kg of aluminum ingots are added for deoxidation two minutes before discharging after detection is qualified, and the aluminum ingots are added into the smelting furnace to be smelted to the temperature larger than or equal to 1520 DEG C; after slagging-off of the transfer ladle, pouring at 1420-1520 DEG C; by optimizing the shell mold arrangement, the raw material ratio and key process parameters, the product yield is increased to 73.8%-74.2%, the error rate is reduced to 0.18%-0.2%, the mechanical property and the production efficiency are remarkably improved, the process is stable, the application range is wide, and the method is suitable for batch production of various wear-resistant grinding balls.

The utility model relates to the technical field of shell forming, and discloses Hall sensor shell forming equipment which comprises a bottom plate, a vertical rod is fixedly installed at the top of the bottom plate, a top plate is fixedly installed at the top of the vertical rod, a lower forming die is fixedly installed at the top of the top plate, and an upper forming die is hinged to the top of the lower forming die. A pouring nozzle and an air nozzle are embedded in the surface of the upper forming mold, the side face of the lower forming mold is detachably connected with the side face of the upper forming mold through a lock, and a sensor shell is formed between the lower forming mold and the upper forming mold in a pouring mode. According to the Hall sensor shell forming equipment, the air cylinder drives the push plate to move upwards, the push plate drives the push rod to move upwards, the push rod drives the circular plate to push upwards, and the circular plate can push a sensor shell upwards to leave a shell groove of the forming lower mold, so that rapid demolding of a plastic shell is achieved, and the production efficiency is improved.

An investment shell making machine comprises a sticky slurry shell making device, the sticky slurry shell making device comprises a lifting device and a clamping device, and the clamping device is installed on a lifting frame body of the lifting device; the slurry sticking and shell making device further comprises a frame body and a transmission device, the transmission device comprises a sliding plate, a transmission rack, a transmission gear, two linear guide rails and two sliding block sets, the transmission rack and the transmission gear are meshed, the transmission rack is installed in the frame body in the length direction of the frame body, and the two linear guide rails are installed in the frame body in the length direction of the frame body. The two linear guide rails are arranged on the two sides of the transmission rack respectively, the two linear guide rails and the two sliding block sets are in one-to-one sliding fit, the two sliding block sets are jointly installed on the sliding plate, the transmission motor is installed on the sliding plate, the transmission gear is installed on an output shaft of the transmission motor, and the lifting frame body is installed on the sliding plate. Compared with the prior art, the clamping device is not suspended on the frame body any more, but is supported by the two fulcrums, so that the rigidity of the clamping device is increased, and the structural stability of the clamping device is ensured.

The invention belongs to the technical field of casting equipment, and particularly relates to precoated sand shell forming equipment for gearbox shell casting, which comprises a supporting assembly, a first mold assembly is fixed in the middle of the supporting assembly, and second mold assemblies arranged on the two sides of the first mold assembly are slidably connected to the supporting assembly. The output end of a fourth air cylinder arranged on the supporting assembly is connected with the second mold assemblies, a sand shooting assembly is arranged on the side face of the supporting assembly, the second mold assemblies are controlled to slide on the supporting assembly through the fourth air cylinder, the two second mold assemblies are driven to be subjected to mold closing with the two sides of the first mold assembly correspondingly, and two cavities are formed; precoated sand is sprayed into the two cavities at the same time through the sand spraying assembly, after the precoated sand is heated and cured, a precoated sand shell corresponding to the upper gearbox shell and a precoated sand shell corresponding to the lower gearbox shell are formed correspondingly, the two sand shells are manufactured in a sand spraying mode at the same time, the sand spraying time and speed are synchronous, and the thickness consistency of the two sand shells is high; and the upper sand shell and the lower sand shell are highly matched after being combined.

The invention relates to the technical field of semiconductor packaging molds, in particular to a semiconductor IGBT crimping type packaging shell forming mold which comprises a fixed mold body and a movable mold body which are matched with each other, a movable insert used for installing terminal hardware and a double-push-plate structure used for demolding. The movable die comprises an upper base plate and an upper die which are arranged up and down, and guide columns are arranged at corners of the upper base plate; the fixed mold comprises a lower mold plate and a bottom plate which are arranged up and down, two lower cushion blocks are symmetrically arranged between the lower mold plate and the bottom plate, and a top cavity is defined by the lower mold plate, the bottom plate and the lower cushion blocks; a cargo mold used for fixing the movable insert, packaging flange hardware and containing a composite material is embedded in the middle of the lower mold plate, and the upper mold and the cargo mold are connected in a mold closing and pressing mode. The lower template is provided with a guide channel corresponding to the guide post; a plurality of ejector pins vertically penetrate through the ejector cavity, the bottom ends of the ejector pins are fixed to the bottom plate, and meanwhile the top ends of the ejector pins are located in the cargo mold. The method has the characteristic of reducing the comprehensive cost.