58results about How to "Improve Injection Molding Production Efficiency" patented technology

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 discloses a rapid die changing mould. The rapid die changing mould is characterized in that a front die core bottom plate is arranged on a front die core, the front die core is flexibly arranged on a rear die core, and the rear die core is arranged on a rear die core bottom plate; a surface needle plate is fixedly arranged on a bottom needle plate, the surface needle plate is provided with a thimble and a resetting rod, the thimble passes through the rear die core bottom plate and stretches into a die cavity of the rear die core, and the resetting rod is sleeved with a resetting spring; the resetting rod passes through the rear die core bottom plate and is inserted into the rear die core, and the front die core bottom plate, the front die core, the rear die core, the rear die core bottom plate, the surface needle plate and a bottom needle plate are connected into a whole; a die frame B plate is arranged on a die leg, the die leg is arranged on a bottom plate, a hollow cavity is formed in the die leg, and the resetting rod, the resetting spring, the thimble, the surface needle plate and the bottom needle plate are placed in the hollow cavity; and the front die core bottom plate and a die frame A are arranged in a demountable manner, and the rear die core bottom plate and the die frame B plate are arranged in the demountable manner. The rapid die changing mould provided by the invention can take the whole inner die structure out in one-step operation to realize rapid die changing, and the injection molding production efficiency is improved.

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 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.