79results about How to "Easy to take modulus" patented technology

The invention provides a V-method mold casting technique for casting a complicated pedestal of a home appliance mold. According to the casting technique, dry silica sand is adopted for V-method molding; the molding negative pressure is controlled to be 0.03Mpa to 0.07Mpa; a pedestal casting is made of aluminum alloy and is cast at the temperature of 690 DEG C; an internal pre-embedded water channel is a circular pipe made of red copper or stainless steel; the surface of the water pipe is coated with a high temperature resistant coating; after the design of the V-method mold is optimized, the mold can be conveniently quickly replaced and quick machining and molding of the mold can be realized; the V-method mold is applicable to a small-batch multi-type production mode; the V-method mold structure is characterized in that an inner die and an outer die are each a convex type; by adopting the method, the mold can be conveniently taken out after molding, and the technical problem that a female die needs a matching board is solved. A secondary molding method is adopted, and a convex cast sand mold can be obtained after secondary molding, and then the convex cast sand mold can be combined with a concave casting cavity to accomplish casting.

The invention discloses an edge cutting and bending one-time forming die for a bracket of an automobile fuel tank, and belongs to the field of automobile fuel tanks. The edge cutting and bending one-time forming die comprises a base, wherein the side faces of the top of the base are fixedly connected with supporting frames, the top of each supporting frame is fixedly sleeved with a hydraulic mechanism, the bottom ends of the hydraulic mechanisms are fixedly connected with an extrusion block, each supporting frame is movably sleeved with a moving sleeve, one side of each moving sleeve is fixedly connected with the side face of the extrusion block through a connecting plate, the bottom of each moving sleeve is in transmission connection with the top of the base through a movable spring, andthe top of the base is fixedly connected with a module. By arranging a port, a containing cavity, an electric push rod and an ejector block, the formed bracket can be automatically ejected out in theproduction and manufacturing process of the bracket of the automobile fuel tank, the bracket is separated from the module, the problem that because the bracket is tightly attached to the module, it isdifficult to take out the die is avoided, and thus convenience is brought to die taking of the formed die.

The invention discloses an oral cavity imaging device and a use method thereof. The oral cavity imaging device comprises an arc-shaped oral cavity imaging instrument and a wetting prevention sleeve matched with the oral cavity imaging instrument, wherein the oral cavity imaging instrument comprises an upper jaw imaging region and a lower jaw imaging region; the upper and lower jaw imaging regionsare provided with imaging grooves; imaging holes in uniform distribution are formed in the imaging grooves; imaging devices are arranged in the imaging holes; the wetting prevention sleeve comprises awetting prevention upper cover and a wetting prevention lower cover which are connected; the edges of the wetting prevention upper cover and the wetting prevention lower cover are clamped and connected to form a sealed accommodating cavity for accommodating the oral cavity imaging instrument; the wetting prevention sleeve is made of transparent plastics. The oral cavity imaging instrument performs imaging on each angle of the tooth; the images are subjected to image processing to obtain oral cavity tooth line three-dimensional number images; the accurate conditions of the teeth in the oral cavity can be conveniently judged. By using the wetting prevention sleeve, the normal use of the oral cavity imaging instrument is ensured; the oral cavity disease infection is prevented; generally, theoral cavity imaging is fast and accurate; the device is simple and convenient; the use is convenient; the oral cavity sanitation can be ensured.

The invention discloses a multifunctional portable injection mold which comprises a fixed mold and a movable mold. The fixed mold is composed of a lower bottom plate, mold feet, a supporting plate, pulleys, a fixed mold block, core pulling devices, locking devices, a balance weight and a pool. Rectangular sliding grooves are formed in the supporting plate. The pulleys are arranged in the positions, corresponding to the rectangular sliding grooves, of the lower bottom face of the fixed mold block. A mold cavity is formed in a movable mold block. The locking devices are arranged on the two side walls of the movable mold block. Each locking device is composed of a locking piece, a screw and a locking platform. The core pulling devices are arranged in inner cavities in the two sides of the movable mold block. A U-shaped cooling pipeline is arranged in an inner cavity of the fixed mold. The mold cavity is composed of a fixed plate, a spring, a push plate, composite rods and a mold cavity bottom plate. The movable mold is composed of a round feeding pipe, a runner and a temperature control device. The temperature control device is composed of a temperature sensor, a temperature display screen, a heating module and a temperature controller. The multifunctional portable injection mold has the beneficial effects of being simple in structure and high in practicability.

The invention discloses a mold releasing device. The device comprises an upper mold and a lower mold, the upper mold and the lower mold jointly form a mold cavity, an injection molding opening is fixedly formed in the middle of the upper mold, a seal cover is fixedly mounted on the injection molding opening, through the upper mold and the lower mold, a product mold can be casted, through a drivingmotor and a mold ejecting device, mold taking can be facilitated, a thread screw is used for ejecting the mold, a left telescopic rod and a right telescopic rod are mounted to stably take out the mold, damage is prevented, through the injection molding opening, the mold can be achieved, a mold releasing layer is mounted, mold releasing is more convenient and rapid, and an anti-collision layer ismounted, in the mold taking process, the mold is protected.

The invention provides a novel 3D printer. The novel 3D printer is composed of a shell part, a Z-axis system, a right Y-axis system, a left Y-axis system, an X-axis system, a printing system and an electric control system. The shell part is designed to be of an integrated streamline structure. A shell box (1) and an upper cover (2) are provided with various integrated connecting structural parts.The Z-axis system, the right Y-axis system, the left Y-axis system, the X-axis system, the printing system, the electric control system and a shell are integrated. The upper cover (2) can rotate around a hinge pin (3) and is positioned through a positioning sliding block (60), a positioning rod (61) and a positioning hole (80). A left screw shaft (5) is of a right-hand thread structure. A right screw shaft (11) is of a left-hand thread structure. The Z-axis system is designed to be provided with a manual rotating wheel (12). A drag chain (26) is designed in the Y-axis direction. A drag chain (18) is designed in the X-axis direction. A printing tray rack (34) is provided with a limiting groove. A touch control screen (38) is provided with a Chinese-English interface.

The invention provides a precoated sand mold for a door bolt. The mold comprises a male mold and a female mold. A male mold molding cavity and a female mold molding cavity are formed in the upper surface of the male mold and the upper surface of the female mold respectively. A sand shell molding cavity is formed after mold closing is conducted on the male mold molding cavity and the female mold molding cavity. Two lines of equidistant embossments are arranged on the male mold molding cavity and the female mold molding cavity correspondingly. Structures of the embossments are of the same shapewith the hemisphere side of the door bolt. Partition embossments are also arranged between every two embossments of each line. The upper surfaces of the partition embossments are flush with the uppersurface of the female mold and the upper surface of the male mold. An installing position for a pouring channel is also arranged between every two lines of embossments. The precoated sand mold for thedoor bolt has the beneficial effects that reasonable molding cavities, the pouring channel and a sand-ejecting port are arranged; finished product rate of sand shells can be improved; and finished product rate of door bolts when molten iron is poured can be improved.

The invention discloses a cup injection mold. The cup injection mold comprises a base; a female mold body is fixedly connected to the center of the top of the base; four groups of supporting rods arefixedly connected to the top of the base; a top plate is fixedly connected to the tops of the supporting rods; a hydraulic cylinder is fixedly connected to the bottom of the top plate; a hydraulic telescopic rod is connected to the hydraulic cylinder; a positioning plate is fixedly connected to the bottom end of the hydraulic telescopic rod; a cavity is formed in the positioning plate; springs areconnected to the top wall of the cavity and abut against a damping ring; a male mold body is fixedly connected to the bottom of the positioning plate; a feeding pipe penetrates through the positioning plate; and the bottom end of the feeding pipe is located between the damping ring and the male mold body. The cup injection mold has the advantages of being simple in structure, capable of effectively damping the mold, low in cost and good in damping effect, in addition, the hydraulic telescopic rod can telescope to drive the male mold body to move, and therefore the mold can be taken very conveniently.