57results about How to "Improve Injection Molding Production Efficiency" patented technology

The invention provides an injection molding mold of a container plastic part. A moving mold is provided with at least two pushing rods at the peripheral position along the outer diameter of a mold core of the moving mold; the pushing rods can move along pushing-rod sliding way holes of the moving mold and are internally provided with flow channel holes for leading in compressed air; the flowing channel holes bend from the final ends to the direction of the axis, and outlets are formed at the corresponding side walls of the pushing rods; when the pushing rods move to the set distance along the pushing-rod sliding way holes, and the outlets of the flow channel holes are communicated with a demolding space formed between the mold core and the container plastic part by movement of the pushing rods. An injection method comprises the following steps: the pushing rods move to the direction of a fixed mold along the pushing-rod sliding way holes, and simultaneously the compressed air is led into the flow channel holes; along with the movement of the pushing rods to the direction of the fixed mold, the plastic part separates from the mold core of the moving mold, simultaneously the compressed air enters the demolding space, and the compressed air in the demolding space further pushes the plastic part to separate from the mold core of the moving mold, so that the demolding action is quickly and fully finished.

The invention provides a tee pipe injection mold and a using method thereof. The tee pipe injection mold comprises a mold frame structure, a first position core loosing and demolding mechanism for a mold core loosing and demolding part, a second core loosing and demolding mechanism for a mold core loosing and demolding part, a third core loosing and demolding mechanism for a mold core loosing and demolding part and a fourth core loosing and demolding for a mold core loosing and demolding part, wherein the first position core loosing and demolding mechanism and the second position core loosing and demolding mechanism are a dual-linkage mechanism driven by the same oil cylinder; and the third position core loosing and demolding mechanism and the fourth position core loosing and demolding mechanism are circular pipe circular sliding block type core loosing and demolding mechanisms. Through the adoption of the technical scheme of the tee pipe injection mold provided by the invention, the complexity of a core loosing mechanism of a middle bent pipe location when a conventional multi-cavity tee pipe product is designed by a multi-cavity mold is simplified, and the mold structure of the tee pipe injection mold is simplified, so that the reliability of an arc core loosing mechanism and the production efficiency of the mold injection are improved; the production and manufacturing cost of the mold is reduced; and the tee pipe injection mold is reasonable in structural design, compact in structure, stable to operate, and safe and reliable.

The invention provides a gear-driven bent pipe multi-directional demolding mechanism which comprises a mold frame structure as well as first-position, second-position, third-position and fourth-position core-pulling demolding mechanisms of a core-pulling demolding part, wherein similar oil cylinder driving double-linkage mechanisms serve as the first-position and second-position core-pulling demolding mechanisms; and circular pipe-circular sliding block core-pulling demolding mechanisms serve as the third-position and fourth-position core-pulling demolding mechanisms. The gear-driven bent pipe multi-directional demolding mechanism provided by the invention adopts the above technical scheme and can be applied to a three-way pipe injection mold; accordingly, the complexity and the mold structure of a side core-pulling mechanism at a middle bent pipe part can be simplified when a conventional three-way pipe product adopts the multi-cavity mold design, the reliability of a circular-arc core-pulling mechanism and the mold injection production efficiency can be improved; and the mold production cost can be reduced; and besides, the structural design is reasonable, the structure is compact, the work is stable, and the safety and the reliability are achieved.

The invention relates to the technical field of injection molding and discloses a multicolor injection molding machine and a use method of the multicolor injection molding machine. The multicolor injection molding machine comprises an injection molding body, a secondary injection device, a controller, a mold and a mechanical arm. The secondary injection device is connected to the injection moldingmachine body. The mechanical arm is connected to the top of the injection molding machine body. The injection molding machine body further comprises a shell, a first screw type injection device. Thefirst screw type injection device and the mold are both installed on the shell. The first screw type injection device is directed at a first cavity of the mold. The controller is connected with the first screw type injection device and the mechanical arm. The secondary injection device further comprises a machine frame, a connector and a second screw type injection device, wherein the machine frame is connected with the shell through the connector, and the second screw type injection device is installed on the machine frame and connected with the controller. According to the multicolor injection molding machine, the auxiliary secondary injection device and the mechanical arm are additionally arranged, and then the bicolor injection molding purpose is achieved; and meanwhile, the structureof a bicolor injection molding machine with a rotating disk is not needed, the mold structure is simple, cost is low, continuous operation can be conducted, and the injection molding production efficiency is high.

The invention discloses an injection molding machine for toy processing. The injection molding machine for toy processing comprise a rotating disc, wherein the middle of the rotating disc is fixed atthe end of a rotating shaft, the rotating shaft is arranged on a rack through a bearing seat, the bottom of the rack is provided with a first motor through a support, and the output end of the first motor is provided with a worm which meshes with a gear fixed at the bottom end of the rotating shaft; a plurality of groups of mold assemblies are arranged on the rotating disc at equal intervals; anda lifting guide rail is fixed on the surface of the rack, a screw injection molding machine is further arranged on the rack through a supporting arm, an injection molding nozzle is movably arranged atthe end of the bottom end of the screw injection molding machine, and a transmission box for driving the injection molding nozzle is further arranged at the bottom of the screw injection molding machine. According to the injection molding machine for toy processing, the rotating disc rotates to drive the mold assemblies to rotate synchronously, in the rotating process of the mold assemblies, automatic opening and closing of the mold assemblies is achieved through the lifting guide rail, molded pieces are conveniently taken out, continuous production can be carried out, the cooling waiting time is shortened, and the injection molding production efficiency of toys is improved.

The invention discloses a plastic bottle injection molding machine, and relates to the technical field of application of injection molding equipment. The technical problems that a fixed mold plate anda movable mold plate slide in the pull rod direction, consequently, the length of the injection molding machine is increased, and the space utilization efficiency is reduced are solved. According tothe technical key points, the plastic bottle injection molding machine comprises a machine table, a forming mold fixed to the machine table, and a driving air cylinder for driving the forming mold tobe opened and closed, the forming mold comprises a left movable mold and a right movable mold, the left movable mold comprises a pair of left mold plates vertically arranged in a spaced mode, and a left connecting rod is fixed between the left mold plates; and the right movable mold comprises a pair of right mold plates arranged in a spaced mode, wherein the right mold plates and the left mold plates are located on the same vertical plane, a right connecting rod is fixed between the right mold plates, mold cavities are formed in the opposite faces of the left mold plates and the right mold plates correspondingly, and mold columns matched with the mold cavities for injection molding are arranged at the positions, between each left mold plate and the corresponding adjacent right mold plate,of a bottom plate. The plastic bottle injection molding machine has the advantages that the space utilization efficiency of the injection molding machine is improved while the forming efficiency of the injection molding machine is ensured.

The invention relates to the technical field of insulating paint processing, in particular to a cable skin insulating paint injection molding equipment, including a first traction mechanism, a cable body, a second traction mechanism, a support mechanism, a liquid adding mechanism, a mixing mechanism, a spraying mechanism and an air-drying mechanism. Mechanism; the present invention adopts a vertically rotating stirring mechanism, which can continuously stir the solid raw materials at the bottom of the mixing box, so that it can be fully mixed with the liquid raw materials, avoiding the accumulation of solid raw materials at the bottom, and the stirring blade adopts an arc surface structure , can increase the contact area between the blade and the liquid, increase the number of times of mixing each time, and shorten the mixing time; the resistance of the blade during the rotation process can be greatly reduced by dividing the fluid, thereby reducing the energy consumption of the motor and further improving the blade rotation. Speed, it can grind the solid raw materials in the mixing box, so that the solid raw materials can be quickly dissolved and mixed with the liquid raw materials; it can air-dry the outside of the sprayed cable.

The invention discloses a secondary ejecting mechanism and a laminated injection die adopting the same. The secondary ejecting mechanism is suitable for secondary ejection of an injection die, and comprises a limited block and a seesaw, wherein the limited block is fixed on a lower die plate of the injection die; the seesaw comprises a first support arm and a second support arm; an included angle is formed between the first support arm and the second support arm; the seesaw is arranged on a first ejection plate in a rotatable manner; the first support arm is positioned at the lower part of the limited block; the second support arm is positioned at the lower part of a second ejection plate; the first support arm is used for receiving the downward acting force provided by the limited block; the second support arm is used for providing the upwards power provided by the second ejection plate; and the second ejection plate is positioned at the upper part of the first ejection plate, and can move vertically relative to the first ejection plate. The number of the dies of the secondary ejection mechanisms is increased, the problems of white stress marks on the surface and die holding of the product can be solved, the production efficiency is improved, and the manufacturing cost of the die is reduced.

The invention provides a double linkage type t-branch pipe elbow core-pulling mechanism. The double linkage type t-branch pipe elbow core-pulling mechanism comprises a first position side core-pulling elbow core-pulling mechanism, a second position side core-pulling elbow core-pulling mechanism and a two-position position side core-pulling elbow core-pulling mechanism power mechanism; by adopting the double linkage type t-branch pipe elbow core-pulling mechanism according to the technical scheme, the complexity of the position side core-pulling mechanisms of a middle elbow part of a traditional t-branch pipe product when a multi-cavity mold is designed is simplified, the reliability of the arc core-pulling mechanisms and the injection and production efficiency of the mold are improved, and the production and the manufacture costs of the mold are lowered; the structural design is reasonable, the structure is compact, the work is stable, and the double linkage type t-branch pipe elbow core-pulling mechanism is safe and reliable.

The invention discloses light-odor heat-resistance polystyrene resin and a preparation method thereof. The light-odor high-heat-resistance polystyrene resin comprises the following components in percentage by weight: 90 to 99.5 percent of high impact polystyrene (HIPS) resin, 0.1 to 5 percent of molecular sieve, 0.1 to 1 percent of antioxygen, and 0.1 to 4 percent of processing assistant, wherein the molecular sieve is a one-dimensional or multi-dimensional porous structure; and in the molecular sieve, the molar ratio of a silicon element to an aluminum element is 2 to 50. The preparation method of the flame-retarding polystyrene resin with high glow-wire ignition temperature comprises: weighing the components according a weight mixing ratio; mixing the components in a high-speed mixer for 3 to 5 minutes; and extruding and granulating the mixed material in a screw extruder. The light-odor high-heat-resistance polystyrene resin has high heat resistance and light odor and meets the requirements of an environment-protection trend.

The invention relates to a mould of a plastic container. The ratio value of the depth of the plastic container to the diameter of the bottom of the container is more than 1.5. The mould comprises a movable mould with a mould cavity and a fixed mould with a mould core, wherein the mould core is in a convex shape corresponding to the inner surface of the plastic container; the mould cavity is in a concave shape corresponding to the outer surface of the plastic container; a molding cavity of the plastic container is formed by combining the mould cavity and the mould core; the fixed mould is provided with a vertical injection molding pipeline which extends to the lower surface from the upper surface of the fixed mould; and the movable mould is provided with a magnetic induction heating coil along the periphery of the mould cavity. According to the mould of the plastic container disclosed by the invention, the direct injection molding of the plastic container with a high length-diameter ratio can be realized; and the performance of injection molding and de-molding of the plastic container can be effectively improved, the time required for de-molding is shortened and the injection molding production efficiency is improved; and the surface quality of the plastic container is improved.