114results about How to "Improve injection molding efficiency" patented technology

The invention relates to the technical field of cable injection molding, and particularly discloses a continuous injection molding machine which comprises a rack, an injection system, a mold closing system and an adjusting mechanism, the injection system and the mold closing system are installed on the rack, the adjusting mechanism comprises a first driving part, a first adjusting rod, an adjusting gear, a second adjusting rod and a shifting rod, and an adjusting groove is formed in the middle area of a lower mold. The first adjusting rod and the second adjusting rod are arranged at the two ends of the adjusting groove correspondingly, the adjusting gear is rotationally arranged between the first adjusting rod and the second adjusting rod and engaged with the first adjusting rod and the second adjusting rod correspondingly, and the first adjusting rod and the second adjusting rod are symmetrically distributed relative to the center of the adjusting gear. The plurality of deflector rods are arranged on the first adjusting rod and the second adjusting rod respectively, and the first driving piece can abut against the first adjusting rod; according to the continuous injection molding machine, the cable in the lower mold can be shifted through the adjusting mechanism, so that the cable moves in the lower mold, and the injection molding position of the cable can be automatically adjusted.

The injection molding machine comprises an injection molding base table and a feeding table fixedly installed on one side of the injection molding base table, a heater is fixedly installed on one side of the upper portion of the feeding table, and a fixed mold table fixedly connected with the injection molding base table is arranged on the other side of the heater. When a plurality of injection molding heads on a mold table are all pressed in place by a spring rod, a gear shaft is driven to rotate through the operation of a double-shaft servo motor, so that a heat insulation belt extends upwards from the interior of an equipment box to the position between a heater and a charging barrel, the charging barrel is coated to block heat transfer, and meanwhile, the charging barrel is subjected to heat preservation; according to the injection molding device, the plastic melt in the charging barrel is prevented from being continuously heated and dried when the plastic mold is cooled and demolded, meanwhile, the situation that heating operation on the injection molding melt needs to be stopped after injection molding filling in the mold is completed is improved, energy consumption is reduced, and the injection molding efficiency is improved.

The utility model discloses an injection molding machine with a quick injection molding mechanism, which comprises an injection molding machine main body, a hydraulic cylinder is mounted on one side in the injection molding machine main body, the output end of the hydraulic cylinder is fixedly connected with a first mold, and a second mold is fixedly mounted on the other side in the injection molding machine main body. A cooling cover is mounted outside the second mold, a storage tank is arranged on one side of the injection molding machine main body, a discharging pipe is fixedly connected to the bottom end of the storage tank, an injection molding pipe is arranged below the storage tank, and a fixing plate is mounted on one side of the injection molding pipe. According to the injection molding machine with the rapid injection molding mechanism, molten liquid is fully stirred through the heating pipe, the stirring motor can be started in the injection molding process, the stirring motor drives the stirring shaft to rotate, the molten liquid can be heated and stirred through the stirring rod outside the stirring shaft and the heating pipe, and the discharging efficiency can be improved through the cleaning and scraping rod; by means of the structure, the function of conveniently keeping the temperature of injection molding melt is achieved, and the problem that the injection molding effect is poor is solved.

The invention discloses a quick ejection mechanism and an ejection method for an injection molding car lamp mold, and relates to the technical field of plastic injection molding, the ejection mechanism comprises: an ejector pin which is arranged in a lower mold and can move up and down, one end of the ejector pin facing a cavity is provided with a sleeve head, and the sleeve head is made of a heat insulation flexible material; a gap is formed between the upper mold core and the upper mold plate, the upper mold plate is provided with a positioning pipe, the upper mold core is provided with a sleeve, the positioning pipe extends into the sleeve, the outer wall of the end, extending to the sleeve, of the positioning pipe is spherical, a supporting piece is arranged in the upper mold plate, and the supporting end of the supporting piece makes contact with the upper mold core and changes the deviation angle of the upper mold core relative to the axis of the injection molding opening. When an injection molding part is ejected, the problem that traces appear on the surface of a vehicle lamp due to the fact that the ejection force of the ejector pin is large is avoided, when demolding ejection is conducted, the ejection force applied to the surface of the vehicle lamp by the ejector pin is reduced, and clamping swing on the top of the vehicle lamp is combined.

The utility model relates to the technical field of automobile skylight supporting, and provides an automobile skylight foaming supporting device which comprises a supporting assembly, a lifting assembly and an adjusting assembly. The supporting assembly comprises a transverse plate, a vertical plate and a bearing plate. The lifting assembly comprises a rotating motor, a threaded rod, a lifting plate and a guide piece; the adjusting assembly comprises an adjusting motor, a rotating shaft, a rotating block and a clamping piece; the skylight mold is clamped, so that the situation that the skylight mold shakes during injection molding to affect the product quality is avoided, the stability of the skylight mold is improved, and the connection stability of a pouring opening and an injection molding opening of the skylight mold is further improved; a plurality of skylight molds are clamped through the adjusting assembly, so that the multiple molds can be subjected to injection molding at a time, the injection molding and production efficiency is improved, meanwhile, rotation can be conducted during continuous injection molding, pouring openings and injection molding openings of the skylight molds can be accurately aligned during rotation every time, and therefore the injection molding accuracy is improved.

The utility model discloses an injection mold for producing a display panel. The injection mold comprises a top plate, a pouring nozzle, an upper mold plate, a lower mold plate, a bottom plate, an ejector pin mechanism and an ejector pin plate, a mold cavity insert is arranged at the bottom of the upper mold plate, a mold core insert is arranged at the top of the lower mold plate, and two symmetrically arranged molding holes are formed between the mold cavity insert and the mold core insert. According to the utility model, the two symmetrically arranged molding holes are arranged in the injection mold, so that the injection mold can simultaneously produce two curved-surface display panels during one-time mold opening and closing, and the production efficiency is high; meanwhile, the cross section of the mold core insert is of a V-shaped structure, and the middle part of the mold core insert is provided with the pouring channel for communicating the two forming holes, so that the molten plastic raw material can be uniformly conveyed and filled in the forming holes, and the mold core insert of the V-shaped structure can increase the flowing resistance of the plastic raw material so as to slow down the flowing speed of the plastic raw material; therefore, bubbles are reduced, and the product quality is improved.

The utility model relates to the technical field of injection molds, in particular to an injection molding mold for a water purifier, which comprises an upper module, a base, propelling devices and a mold block, the mold block is arranged on the base, the upper module is connected above the base, and the propelling devices are symmetrically arranged on two sides of the base. According to the injection molding mold for the water purifier, the left mold and the right mold can be pushed through the pushing devices arranged on the two sides, automatic injection molding operation is achieved, and the injection molding efficiency is improved; the exhaust pipe is used for exhausting air, air in the mold is exhausted, and the bubble defect is prevented, so that the quality and the flatness of an injection product are improved, and the rejection rate is reduced.

The utility model provides a thermosetting composite material injection mold which comprises an ejection assembly, and the ejection assembly comprises a lower mold body, an L-shaped plate, an ejection plate, a lead screw, a moving block, a connecting rod, a ball, a vertical rod, a connecting plate, a transverse plate and a trapezoidal block; l-shaped plates are fixedly connected to the two sides of the lower die body, a top plate is arranged on the inner wall of the bottom of the lower die body, and a lead screw is rotationally connected to the inner wall of one side of each L-shaped plate. The driving motor drives the screw rod to rotate, the screw rod drives the corresponding moving block to slide on the square rod, the moving block drives the ball to move through the corresponding connecting rod, the ball extrudes the corresponding trapezoidal block, under the action of extrusion force, the trapezoidal block drives the transverse plate to move upwards, and the transverse plate drives the vertical rod to move upwards through the connecting plate. And the connecting plate compresses the spring in the moving process, the vertical rod drives the top plate to move upwards, and the product is ejected out through the top plate, so that a worker can conveniently take out the product subjected to injection molding, and the injection molding efficiency is improved.

The present invention proposes a shoe injection molding device and injection molding method with simple structure, low production cost, improved shoe injection molding efficiency and improved injection molding quality, wherein the shoe injection molding device includes a shoe last and a bottom mold, the upper end surface of the bottom mold is provided with an injection molding groove downward, the shoe last can slide up and down and be arranged above the injection molding groove, the lower end of the shoe last can be embedded in the injection molding groove, the shoe last is provided with an injection molding through hole, the feed inlet of the injection molding through hole is provided on the peripheral side of the shoe last, and the plurality of discharge ports of the injection molding through hole are provided on the bottom surface of the shoe last. The shoe injection molding method includes S1, setting the shoe body and the shoe last; S2, pre-molding the left mold and the right mold; S3, lowering the shoe last; S4, molding the left mold and the right mold; S5, the stabilizing block and the injection molding head clamp the shoe last; S6, performing injection molding; S7, removing the finished shoe.

The utility model provides a positioning mechanism of an injection mold, which relates to the technical field of injection molds and comprises a platform, and an electric push rod is arranged at the top of the platform close to the left side. When the injection mold is positioned, the electric push rod is started, the electric push rod drives the two fixing blocks to move towards the right side at the same time, under the limiting of the limiting block and the limiting rod, the lower mold can be flexibly and automatically adjusted in the front-back direction until the lower mold is pushed to the positions of the two second mounting seats to be converged, and the position of the lower mold is fixed; the hydraulic cylinder is started, the hydraulic cylinder drives the upper die to move downwards until the upper die is converged with the position of the lower die, and when the four rolling wheels are close to each other, the lower die is extruded in a symmetrical state to rotate in a self-adaptive manner, so that the lower die can be accurately fixed in a proper state without being accurately adjusted, the operation difficulty is reduced, and the production efficiency is improved. And the positioning accuracy is improved, so that the overall injection molding efficiency is greatly improved.

The invention discloses a spraying forming method for a large-diameter fiber winding shell. The spraying forming method comprises the following steps that (1) a winding core mold is formed and machined; 2) injection molding of heat insulation layers of the front and rear sealing heads; (3) the front and rear end socket heat insulation layers are installed on the winding core mold; 4) winding the winding layer; (5) rotating, curing and demolding the winding layer; (6) the inner surface of the barrel section winding layer is coated with a surface treating agent; (7) spraying and forming the heat insulation layer of the cylinder section; 8) curing the heat insulation layer of the cylinder section; and 9) finishing the heat insulation layer to obtain the shell. The front end socket and the rear end socket are formed through injection, and the forming process is simple; the front end socket and the rear end socket are installed firstly, the winding layer is formed, and finally the cylinder section part is sprayed and formed, so that procedures such as manual surface mounting are replaced, and the production efficiency and the quality consistency are improved; the surface quality of the heat insulation layer formed by adopting the spray forming heat insulation layer is higher, and the heat insulation appearance problem caused by the core mold quality problem is avoided; the novel spraying heat insulation layer is adopted, the ablation rate of the heat insulation layer is lower, and the heat insulation performance is higher.

The invention discloses an injection mold for plastic packaging and processing and a using method, and relates to the technical field of plastic processing. The injection mold comprises an upper injection mold arranged on a material injection assembly; the lower injection mold is arranged in the processing platform; and the cooling unit is arranged in the injection molding lower mold, is used for achieving rapid cooling of the injection molding raw materials and comprises a bearing assembly, a liquid guide assembly and a circulating assembly, the bearing assembly is used for achieving bearing forming of the injection molding raw materials and is matched with the liquid guide assembly to achieve stepped preliminary cooling, and the circulating assembly is matched with the liquid guide assembly to achieve efficient cooling. The injection molding machine has the beneficial effects that cooling water can be automatically injected in advance according to the injection weight while molten materials are subjected to injection molding, front pre-heat dissipation of the molten materials and wrapping of injection molding raw materials are achieved, and the situation of deformation during cooling molding can be avoided in cooperation with the heat dissipation mode of liquid cooling circulation after material injection is completed.

The rapid injection molding structure of the automobile part injection mold comprises a translation adjusting plate, the two ends of the translation adjusting plate are provided with heat dissipation frames, the number of the heat dissipation frames is two, a limiting circular ring is arranged in the translation adjusting plate, and a sprue threaded sleeve is fixedly installed on the lower surface of the limiting circular ring. According to the rapid injection molding structure of the automobile part injection mold, heat dissipation of the injection mold can be accelerated through the translation adjusting plate and the heat dissipation frame, forming and hardening of automobile parts in the injection mold can be accelerated, and therefore the injection molding efficiency of the injection mold is improved, and the distance between the heat dissipation frame and the injection mold can be adjusted through the translation adjusting plate; the heat dissipation frame can spray water mist to the surface of the injection mold and blow air to the surface of the injection mold for heat dissipation, the air blowing direction can be turned over and adjusted, a sprue of the injection mold can be replaced through the sprue threaded sleeve and can be adjusted and replaced according to the flowing speed of plastic, and therefore the injection molding efficiency is adjusted.

The utility model relates to the field of sealing ring injection molding, in particular to an engine ignition coil cylinder body sealing ring injection molding device which comprises a rectangular supporting table, a supporting frame is fixedly connected to the top of the supporting table, a rectangular groove is formed in the supporting table, a first driving motor is installed on one side of the supporting table, and a second driving motor is installed on the other side of the supporting table. The bottom of the supporting table is fixedly connected with supporting legs. When the device is used, the bidirectional screw can be driven by the third driving motor to rotate, the bidirectional screw drives the movable plates to get close to each other along the second rectangular opening, the movable plates drive the protective covers to get close to each other, the protective covers are combined when the device runs, and meanwhile, the injection molding condition of the internal sealing ring can be conveniently observed through the detection glass on the protective covers; and the protective cover can ensure that the temperature of the spraying mechanism is stable during injection molding, the time required by injection molding is shortened, and the working efficiency is high.

The present invention discloses a hot nozzle system for injection molding a cylindrical rod product, comprising a nozzle core connected to a flow channel, and at least two glue inlets connected in parallel to the flow channel are formed on the nozzle core, and the glue inlets are symmetrically arranged with the axis of the cylindrical rod product as the center. The hot nozzle system of the present invention converts the production of cylindrical rod products from cold runner to hot runner production, reduces the waste of production raw materials, simultaneously reduces the injection molding cycle, improves the injection molding efficiency, and greatly improves the production efficiency of marker pen rods.

The utility model discloses a slide block glue feeding structure of a plastic mould, which comprises a diving gate assembly and a slide block of the mould, the diving gate assembly comprises a diving port and a runner, the runner is arranged in an upper mould of the mould, the diving port is arranged in the slide block, and when the mould is closed and the slide block enters a core, the runner is arranged in the slide block. The diving opening is communicated with a cavity of the injection mold, a connecting section is arranged between the diving opening and the runner, the end, away from the cavity, of the diving opening is communicated with the end, located in the mold, of the runner through the connecting section, and the connecting section is vertically arranged; the diving opening is obliquely arranged relative to the horizontal plane, and the included angle between the diving opening and the connecting section is an obtuse angle. According to the utility model, the arrangement of cold runners is reduced, the length of the whole runner is shortened, and the forming period is shortened, so that the efficiency is improved.

The invention discloses an injection molding processing device for producing tiny silicone earplugs, which relates to the technical field of injection molding, and comprises a continuous injection molding mechanism and a switching worm gear installed on the top of the continuous injection molding mechanism, wherein a mixing injection molding mechanism is arranged on one side of the top of the continuous injection molding mechanism, and a lifting motor is arranged on the top of the mixing injection molding mechanism, wherein the continuous injection molding mechanism comprises a switching base, and a switching support is symmetrically installed on one side of the top of the switching base away from the mixing injection molding mechanism, and a switching motor is fixedly installed on one side of the switching support, and a switching worm is fixedly connected to the output end of the switching motor, and by pressing the bottom mold body downward, the bottom mold body drives the extrusion connecting rod and the airbag pressure plate to extrude the recoverable airbag, so that the gas inside the recoverable airbag is ejected through the air guide hose and drives the ejection block to move upward, so that the injection molded product can be ejected from the inside of the bottom mold body, thereby improving the efficiency of rapid demolding of the injection molded product.

The application discloses a kind of injection molding equipment of plastic shell, including processing table, injection device, first mould, second mould, support plate, multiple embedded components, multiple push components and ejection assembly, first mould and second mould are oppositely arranged above the processing table, and membrane cavity is equipped between first mould and second mould;Injection device is arranged on the sliding table of first sliding table module, the inner wall of second mould is equipped with multiple positioning columns, the sliding table of second sliding table module is equipped with connecting plate, multiple embedded components are arranged on the connecting plate, and multiple embedded components are connected by first transmission component between multiple embedded components, the upper surface of processing table is equipped with box, push component is arranged inside the box, and multiple push components are connected by second transmission component between multiple push components, ejection assembly is arranged outside second mould.

The utility model discloses continuous feeding equipment for an injection molding machine and belongs to the technical field of injection molding machines. The continuous feeding equipment comprises a conveying table and a partition plate, a conveying belt is arranged in the conveying table, a feeding box is arranged on the left side in the conveying table, a discharging port is formed in one end of the feeding box, and the partition plate is arranged on the right side in the conveying table. Injection molding particles are poured into the feeding box, slide onto the conveying belt from the discharging opening and are conveyed to the right side, when the injection molding particles pass through the partition plate, the partition plate is opened, the injection molding particles fall into the injection molding machine, then the partition plate is closed, and after injection molding is completed, the partition plate is opened again, so that continuous feeding of the injection molding particles is achieved; manual feeding of workers is not needed, time and labor are saved in the process, and the injection molding efficiency is improved. The first supporting legs and the second supporting legs enable the conveying table to be inclined at an angle, the falling speed of the injection molding particles is increased, the motor and the rotating shaft are started to drive the stirring rods to rotate, the injection molding particles are evenly stirred, and the follow-up using effect is improved.

This utility model provides an in-mold hot-cutting device for injection molding machines, including a fixed mounting plate and an injection mounting plate. The fixed mounting plate is connected to a mold parting assembly and has a push groove. The mold parting assembly is connected to a mold component, which includes a mold assembly and an injection assembly. The injection assembly includes an injection mounting plate, which is rotatably connected to an injection mold plate. A hot-cutting lever is inserted into the side of the injection mounting plate. By causing the injection mounting plate and the injection mold plate to rotate relative to each other, the injection gate is cut off, realizing in-mold hot-cutting technology. This separates the injection-molded model from the injection runner. The central mold parting rod can push out the injection runner, and the mold parting push rod can push out the injection-molded product. This reduces the steps required to separate the runner after injection molding, simplifies the workflow, improves injection efficiency, does not affect the product appearance quality, and significantly reduces the product scrap rate.

The invention provides special-shaped plastic part forming injection molding equipment, and relates to the technical field of injection molding equipment, the special-shaped plastic part forming injection molding equipment comprises two side plates, an adjusting assembly is arranged between the two side plates, the adjusting assembly comprises a U-shaped groove formed in the surfaces of the side plates, a sliding rod is movably connected to the inner wall of the U-shaped groove, and the other end of the sliding rod is fixedly connected with a vertical frame; one side of the inner wall of the vertical frame is fixedly connected with a toothed plate. After injection molding is carried out at the upper end of the mold, supplement injection molding is carried out on the lower end of the mold through overturning, so that bidirectional injection molding is achieved, uniform filling of the mold is achieved, after filling is completed, the half-frame mold is continuously driven to continuously rotate, all corners of the mold can be filled with molten plastic, and therefore in the injection molding process, the mold is not prone to falling off. And in addition, rotation is conducted after injection molding is completed, so that all corners of the mold are completely filled, and the injection molding quality can be improved while the injection molding efficiency is guaranteed.

The utility model discloses an extruder for TPR upper-connected injection molding and leather bonding products. The extruder comprises a guide rail; an electric heating feeding pipe capable of being adjusted in a sliding mode is installed on the guide rail, a detachable conical head is arranged at the end of the electric heating feeding pipe, heat conduction cavities are formed in the electric heating feeding pipe and the detachable conical head, and electric heating wires are arranged in the heat conduction cavities; a screw rod is arranged in the electric heating feeding pipe; according to the extruder for the TPR upper-connected injection molding and leather bonding product, overflowing of a molten TPR material in the continuous inserting and pulling process of an injection molding head of the injection molding machine can be effectively reduced, meanwhile, the extruder body is very convenient to clean when not used, and the injection molding efficiency can be effectively improved; after the granular TPR material enters the electric heating feeding pipe, the screw rod pushes the raw material to move towards the detachable conical head, the synchronous electric heating wire heats the raw material to enable the raw material to be molten, and finally the raw material is extruded from the detachable conical head.

The utility model discloses an integrated injection mold for plastic keyboard keys, and particularly relates to the technical field of injection molds, the integrated injection mold comprises an upper mold and a lower mold for carrying out injection molding on the plastic keyboard keys, and further comprises a cooling assembly, the cooling assembly comprises a water tank, the water tank is arranged on one side of the upper mold and one side of the lower mold, and cooling water is stored in the water tank. And a submersible pump is fixedly arranged on the inner wall of the bottom of the water tank, an air blower is fixedly arranged on one side of the water tank, the air blower communicates with the interior of the water tank through an air outlet pipe, and cooling cavities are formed in the upper mold and the lower mold correspondingly. According to the utility model, the plastic keyboard keys between the upper mold and the lower mold are cooled in an air cooling manner, so that the breakage rate generated during subsequent water cooling is reduced, the injection molding efficiency of the plastic keyboard keys can be improved by utilizing the cooling manners of air cooling and water cooling, the subsequent demolding can be facilitated, and the production efficiency of the plastic keyboard keys is improved. And the manufacturing quality of the keys of the plastic keyboard is improved.

The utility model discloses a mold structure for a small water gap eccentric thin wall in a climbing injection molding process, which comprises a base, and a lower mold seat is fixedly arranged in the middle of the top end of the base. Smooth flowing of plastics can be ensured, uneven flowing can be reduced, defects caused by uneven flowing in the injection molding process are avoided, the climbing part is arranged in the flow guide channel, smooth flowing of plastic materials in the mold can be ensured, the problems of uneven cooling and bubbles caused by flow speed changes are avoided, and the injection molding quality is improved. The multiple eccentric small water openings are formed, multi-section injection can be conducted at the same time, then the injection molding efficiency is improved, an air cooler is powered on to generate cold air, the cold air is guided into a first annular cooling groove and a second cooling groove through an air outlet pipe, then materials in a forming groove can be evenly cooled, and therefore the cooling time is shortened, and the injection molding efficiency is improved. The working efficiency is improved.

The invention belongs to the technical field of injection molding devices, and particularly relates to a fender injection molding device which comprises a machining platform, an injection molding machine is fixedly connected to the upper end of the machining platform, a lifting plate is arranged above the machining platform in a sliding mode, a fixed mold is fixedly connected to the lifting plate, and a movable mold is clamped to the fixed mold; the end, close to the injection molding machine, of the fixed mold is fixedly connected with a feeding hose communicating with the output end of the injection molding machine. And the adjustable vibration mechanism is arranged at the position, located below the lifting plate, of the machining platform and used for introducing vibration effects of different amplitudes in the injection molding process. By arranging the adjustable vibration mechanism, in the injection molding process of the fender, when molten plastic enters a thick or complex part, the vibration amplitude is increased, when the molten plastic enters a thin or simple part, the vibration amplitude is reduced, and the molten plastic is prevented from flowing too fast.

The utility model relates to the technical field of injection molding machines, and provides an injection molding machine for efficient injection molding of a top cover plate of a washing machine, which comprises a bottom plate and a U-shaped plate I fixedly connected to the top of the bottom plate. The controller controls the second electric telescopic rod to start and stretch, the first movable plate and the hollow ejector rod are pushed to move upwards, the top cover plate of the washing machine is loosened to a certain degree, then the controller controls the air pump to start, the air pump conveys air into the annular pipe, the air passes through the telescopic hose, the hollow ejector rod and the air hole in sequence, and the air is conveyed into the annular pipe. The top cover plate of the washing machine is loosened from the lower mold under the cooperation of the air pressure, so that the condition that the top cover plate of the washing machine is tightly attached to the lower mold and is difficult to demold can be avoided, the demolding time is shortened, and the demolding efficiency is improved. Therefore, the injection molding efficiency of the washing machine top cover plate is improved.

This utility model provides an eccentricity detection device and an injection mold for an air conditioning transmission assembly formed therefrom. The eccentricity detection device includes: a first detection component comprising M first sensors, which are spaced apart along the length of the rod; the M first sensors are located on a first detection line; a second detection component comprising N second sensors, which are spaced apart along the length of the rod; the N second sensors are located on a second detection line; the first and second detection lines do not coincide; M and N are both integers greater than 0; and a signal output component connected to both the first and second sensors. This application can determine whether the rod has experienced axial deviation by measuring the distance between the rod and the first or second sensor; the sensors of this application have a small footprint, are simple to operate, and can improve the efficiency and accuracy of rod axiality detection.

This invention belongs to the field of mold manufacturing technology, specifically an over-injection correction system and method for injection molds. The system includes a lower base plate and an upper base plate of the injection mold. A support pad is symmetrically fixed to one side of the lower base plate, and a temperature control base is fixed to one side of the support pad. A lower mold plate is mounted on the middle surface of the temperature control base, and a correction mechanism is installed inside the temperature control base. An injection mechanism is mounted on the outer surface of the lower mold plate. A material conveying cylinder is mounted on one side of the upper base plate, and a uniform feeding mechanism is installed inside the material conveying cylinder. This over-injection correction system and method for injection molds works by exposing the discharge port of the discharge pipe at the upper end of one side of the correction groove during the downward movement of the lower mold plate due to over-injection. Excess material is then discharged through the inclined discharge pipe to the connecting pipe on the outside. Furthermore, a pressure relief valve releases pressure inside the injection cavity, thus meeting the injection requirements.

The utility model discloses a fixed nut's automatic shedding mould relates to nut injection molding field, include: back template, injection demoulding mechanism, this mechanism sets up in back template top. The utility model discloses a injection demoulding mechanism's effect can injection molding fixed nut, and can the nut of injection molding that finishes is handled fast demolding, in the process of pushing front template to back template, front template drives lower pressing plate to remove, and lower pressing plate drives two inclined guide pillars to remove, and makes two side templates move on the track oppositely, after sticking side template, extruding plate is pressed in the outside, and adaptive pressure plate is pressed in the top, and through the injection port on front template adds raw materials, after nut forming, the front template moves from back template injection cavity board one side outward, under the action of first spring, applies reverse thrust to injection cavity board, and the nut that injection molding that finishes is demoulded, has the effect that the nut that injection molding that finishes is handled fast demolding, improves the injection efficiency of fixed nut.