58 results about "Silicone injection" patented technology

The invention relates to a liquid silica gel injection molding process optimization method and system in the field of intelligent manufacturing, and the method comprises the steps: obtaining mold structure data adaptive to a shrinkage rate, combining geometric characteristics of a complex structure product, adopting a topological optimization algorithm to redesign a parting surface and a demolding path, and determining a lossless demolding mold parting scheme; whether the product damage risk is lower than a preset threshold value or not is judged by simulating stress distribution of the demolding path, and if the product damage risk is lower than the threshold value, final mold manufacturing parameters are generated, and an optimized production process configuration file is obtained; extracting production rhythm data from the optimized production process configuration file, dynamically adjusting the operation cycle of the injection molding machine in combination with the demolding efficiency monitored in real time, and determining equipment parameter configuration for efficient mass production; and generating a control instruction sequence according to the equipment parameter configuration, and transmitting the control instruction sequence to the injection molding equipment and the mold heating system through the industrial Internet of Things to obtain operation state data of the automatic production line.

The invention discloses a material flow rate control method and system for liquid silica gel injection molding, and the method comprises the following steps: S1, collecting temperature gradient distribution in an injection mold, silica gel initial viscosity and pressure intensity data in a mold cavity in real time through a multi-mode sensor network, and inputting the data into a pre-molding parameter model; s2, based on the pre-forming parameter model; s3, outputting a result according to the dynamic response equation; and S4, dynamically calibrating the regulation and control parameter set through a fuzzy neural network in combination with a closed-loop feedback mechanism, and driving an execution mechanism to adjust the silica gel injection rate based on the calibrated parameters. The industrial bottleneck of liquid silica gel injection molding flow rate control is systematically solved; the cooperative construction of the multi-modal sensing network and the multi-field coupling model breaks through the physical limitation of a traditional empirical formula, and realizes the improvement of the dynamic response precision under a complex working condition.

The present invention relates to a liquid silicone injection molding machine, comprising a frame, a mold clamping module disposed on the top of the frame, a glue injection module mounted on the mold clamping module, and a controller for controlling the mold clamping module to perform mold clamping and glue injection. The mold clamping module comprises a mold clamping assembly, a mold clamping drive assembly for driving the mold clamping assembly to perform mold clamping, an electronic mold opening and closing scale disposed on the mold clamping assembly and connected to the controller, a positioning assembly for positioning the mold clamping assembly, and a mold ejection mechanism for ejecting the product produced by the mold clamping assembly. The glue injection module comprises a glue injection drive assembly for driving a gun barrel to perform glue injection via a mixing assembly, an electronic glue injection scale, a pressure sensor, and a rotary encoder disposed on the glue injection drive assembly and electrically connected to the controller. The controller is mounted on the frame via a mounting cantilever. The liquid silicone injection molding machine provided by the present invention can enhance user satisfaction with the glue injection experience by improving glue injection accuracy, while also improving glue injection efficiency and product quality.

The invention relates to the technical field of silica gel injection molding temperature control, in particular to a temperature control system and process for liquid injection molding of a silica gel toy. The process comprises the following steps: S1, according to three-dimensional model data of a silica gel toy, automatically identifying geometric feature information of the silica gel toy; s2, setting initial temperature parameters of each injection molding stage on the basis of the geometrical characteristic information in combination with physical characteristics of the liquid silica gel; s3, in the injection period, based on the initial temperature parameters, micro-heating / mold temperature maintaining / micro-cooling is conducted on different areas of the silica gel toy; s4, in the pressure maintaining period, when the liquid silica gel is filled to the preset filling proportion, the mold temperature of the multicolor injection molding material flow interface area is reduced to the freezing temperature; s5, in the main vulcanization period, a self-adaptive temperature adjustment strategy is executed on the thick-wall area and the thin-wall area; and S6, in the cooling and demolding period, a corresponding rapid cooling strategy / slow cooling strategy is executed on the thick-wall area and the thin-wall area. The size stability and the assembly precision of the complex thin-wall silica gel component are remarkably improved.

The invention relates to the technical field of gluing pumps, and discloses a liquid silica gel injection machine and a using method, the injection machine comprises a base, a lifting rod, a hydraulic rod, a pressure plate, a connecting pipe, a three-way valve, a stirring part, a cleaning and scraping part and a squeezing and spraying part. A stirring part downwards pushes a trigger switch through a T-shaped ring, an electric rod is automatically started to push a motor and a glue stirring piece to extend into a glue barrel, a stirring plate and a glue disc rotate to stir liquid silica gel, and layering and local curing are prevented; the cleaning and scraping part is quickly inserted into a supporting rod through an inserting rod, a T-shaped ring is rotated to drive a rotating sleeve to rotate with a flange as the circle center, and a cotton brush and a scraping plate rotationally clean a pressing disc and the flange; and the extrusion spraying part extrudes the corrugated bag to enable the sol agent to be sprayed to a cleaning surface through the guide channel and the liquid channel, and cooperates with mechanical scraping for cooperative cleaning. The cleaning efficiency is improved, the residual silica gel rate is reduced, the equipment maintenance time is shortened, and the injection quality and the production efficiency are remarkably improved.

The present invention relates to an injection moulding machine (1) with a machine frame (3), a closing unit (4) with two clamping plates (8r, 8l), an injection unit (5), an injection unit actuator (6), by means of which the injection unit (5) is movable along the machine frame (3), a tool mould (7) and a silicone injection moulding adapter (2) arranged between a tool mould half (14r) and a clamping plate (8r) for injecting silicone into the tool mould (7). The silicone injection moulding adapter (2) has an adapter body (22) and an adapter piston (23). The adapter body (22) comprises a silicone transfer chamber (29), a closable feed channel (31) via which silicone can be fed to the silicone transfer chamber (29), and an injection channel (33) via which silicone can be injected from the silicone transfer chamber (29) into the tool mould (7). The adapter piston (23) is displaceably mounted in the silicone transfer chamber (29) and, by displacing the adapter piston (22), silicone can be injected from the silicone transfer chamber (29) via the injection channel (33) into the tool mould (7). The adapter piston (23) can be inserted into the silicone transfer chamber (29) of the adapter body (22) by moving the injection unit (5) by means of the injection unit actuator (6).

This utility model discloses an injection mold for injection molding a sealing ring onto a battery box based on liquid silicone injection molding. This utility model relates to the technical field of injection mold structures. It includes an upper mold B and a lower mold B. The lower mold B includes a second base and a second loading plate. The second loading plate is embedded in the second base. Multiple spaced receiving grooves are formed along the length of the top surface of the second loading plate. The receiving grooves fit with the outer contour of the flat plate of the battery box. A central channel communicating with the receiving groove is formed between each two adjacent receiving grooves. Multiple longitudinally arranged heat-conducting copper blocks are fixed to the bottom of each receiving groove. Multiple vent holes penetrating the left and right ends of each heat-conducting copper block are formed within it. The beneficial effects of this utility model are: it can effectively avoid deformation of the rectangular cover during the injection molding of the sealing ring onto the battery box and greatly improve the injection molding quality.

The invention relates to a cold runner system for liquid silica gel injection molding, which comprises a mold, a cold runner plate is arranged on the mold, a heat insulation plate covers the cold runner plate, a needle valve part is arranged at the cold runner plate in a penetrating manner, a circulating cooling liquid channel is arranged in the cold runner plate, and a heat insulation plate is arranged on the heat insulation plate. Two ends of the circulating cooling liquid channel are respectively connected with the water inlet and the water outlet. The cold runner system for liquid silica gel injection molding has the beneficial effects that the two water path pipes are arranged in the cold runner plate, the water path pipes are bent and spread in the cold runner plate, and the two ends of the two water path pipes are connected with the first water inlet, the first water path water outlet, the second water path water inlet and the second water path water outlet correspondingly; the first water inlet, the first water path water outlet and the water path pipe form a circulating water path, the second water path water inlet, the second water path water outlet and the water path pipe form a circulating water path used for cooling the cold runner plate through water circulation, and the cold runner plate is arranged on the end wall of the mold so as to cool the mold.

The utility model discloses a vertical liquid silica gel injection molding device, including the bottom plate, is equipped with first support, second support on the bottom plate, and there is first mounting plate, cooling bin, stirring drum on the second support, the first roof lower link electric telescopic link, and its bottom has the rotating shaft containing the spiral beater of support bottom, the second roof bottom is equipped with the injection molding machine, and the clamping anti -infiltration structure that is composed of second mounting plate, semicircle hoop, semicircle sealing ring, still have control device, feeder, conveying pipe, driving motor, gear etc. parts, and the feeder sends raw materials to the stirring drum through the conveying pipe, and the driving motor drives the spiral beater to stir, and the electric telescopic link adjusts the stirring depth, and the cooling bin controls temperature, and the clamping anti -infiltration structure passes through the motor drive semicircle hoop clamping pipeline, and realizes double -layer sealing in combination sealing ring, prevents the leakage, and finally by injection molding machine completes injection molding, and the device realizes raw material stirring homogenization, temperature -controlled precision, conveying sealing reliable, improves injection molding quality and efficiency.

The utility model discloses a cooling mechanism of a silica gel injection molding machine, which comprises an upper fixing plate, a movable plate is arranged below the upper fixing plate, a pressing plate is arranged on the upper surface of the upper fixing plate, a heat insulation plate is arranged on the upper surface of the pressing plate, an upper mold plate is arranged on the inner side of the upper fixing plate, and a lower mold plate is arranged on the inner side of the upper mold plate. A feeding port is formed in the inner side of the upper end of the upper fixing plate, a cooling plate is arranged on the inner side of the feeding port, heat dissipation grooves are formed in the outer surface of the cooling plate, a heat insulation layer is arranged on the inner wall of the feeding port, gears are evenly arranged on the inner side, located on the outer side of the feeding port, of the upper fixing plate, and push rods are arranged on one sides of the gears. Racks are arranged on the outer surface of the push rod and the outer surface of the pressing plate and meshed with the gear, a water tank is arranged on the inner side of the moving plate, connecting pipes are arranged on the two sides of the water tank, and a lower die plate is arranged on the upper surface of the moving plate. According to the utility model, the blockage of the feed port is reduced, and the forming speed of the device is improved.

The invention relates to the technical field of precise injection molding, and particularly discloses an LSR liquid silica gel injection molding machine which comprises a rack, a vertical mold closing mechanism, a gel injection mechanism and a controller are arranged on the rack, the vertical mold closing mechanism is located at the top of the rack, and the vertical mold closing mechanism comprises a mold closing assembly, a driving assembly, a positioning assembly and a mold supporting assembly; the mold closing assembly is used for opening and closing a mold, the driving assembly is used for driving the mold closing assembly to move, the positioning assembly is used for positioning the mold closing assembly, the mold supporting assembly is used for supporting a product formed by the mold closing assembly, and the glue injection mechanism is installed on the vertical mold closing mechanism. The glue injection mechanism comprises a gun barrel assembly for heating and temperature control and a glue injection driving assembly for driving the gun barrel assembly to execute glue injection action, the controller is electrically connected with the vertical mold closing mechanism and the glue injection mechanism, and the controller controls the vertical mold closing mechanism and the glue injection mechanism to act orderly. The method has the effects of expanding the production scale and improving the production efficiency.

The invention provides a liquid silica gel injection mold structure of a new energy automobile charging port, and belongs to the technical field of silica gel injection molds. Comprising a rear mold base, a front mold connected to the output end of an injection molding machine and a connecting base detachably fixed to the outer wall of the rear mold base, a rear mold mechanism is arranged on the side, away from the rear mold base, of the connecting base, and the rear mold mechanism comprises a rear mold and a plurality of mold cavities formed in the side, away from the connecting base, of the rear mold base; and a top frame mechanism for pushing the formed silica gel sealing ring out of the mold cavity is arranged in the mold cavity. By means of the mode, the silica gel sealing ring can be effectively separated from the mold, the tight part adsorbed in the mold cavity can be effectively demolded, the probability of manual stripping is greatly reduced, time consumed in the working procedure is shortened, precision forming lines on the surface of the mold cavity part possibly caused by manual operation are further reduced, the silica gel residual rate is reduced, and the production efficiency is improved. And the injection molding quality of the silica gel sealing ring is improved.

Disclosed in embodiments of the present disclosure are a silicone pencil preparation device and method. A specific embodiment of the silicone pencil preparation device comprises: a conveying apparatus

The application discloses a kind of robot automatic pick-up system for liquid silicone injection molding, including mechanical arm and the pick-up module of being arranged in the free end of mechanical arm, and the flange piece for limiting pick-up module is arranged at the end of mechanical arm;Pick-up module includes substrate and the first material taking piece of being arranged on substrate, and the first material taking piece is used to limit the part of external material taking material, and the direction of the action end of first material taking piece is crossed with the direction of the rotation axis of flange piece;Second material taking piece is also provided on substrate, and the direction of the action end of second material taking piece is crossed with the direction of the action end of first material taking piece, and mechanical arm first drives the action end of first material taking piece vertically to external material taking material, after first material taking piece limits external material taking material, the action end of second material taking piece on substrate is driven by mechanical arm vertically to external material taking material and is limited to take material second time, reliable step-by-step grabbing and stable transfer to liquid silicone material are realized.

The utility model discloses a waterproof female connector, which comprises a female plastic shell, a male plastic shell and a silica gel ring for sealing the female plastic shell and the male plastic shell, the two ends of the female plastic shell and the two ends of the male plastic shell are respectively provided with a waterproof assembly used for preventing water from entering the female plastic shell and the male plastic shell. According to the utility model, the outer cambered surface of the male plastic shell inserted outside the female plastic shell is provided with the silica gel ring through the silica gel injection molding technology; the sealing performance between the female plastic shell and the male plastic shell is guaranteed through the silica gel ring, so that an external water source is prevented from entering the female plastic shell and the male plastic shell, and meanwhile, waterproof assemblies are arranged at the two ends of the female plastic shell and the two ends of the male plastic shell and located outside the coaxial cable. The dryness in the female plastic shell and the male plastic shell is guaranteed through the waterproof assembly, and normal use of the equipment is further guaranteed.

This invention relates to the field of glue dispensing pump technology, and discloses a liquid silicone injection molding machine and its usage method. The injection molding machine includes a base, lifting rod, hydraulic rod, pressure plate, connecting pipe, three-way valve, and agitation section, cleaning section, and extrusion spraying section. The agitation section automatically starts an electric rod by pushing a trigger switch downwards via a T-ring, which drives the motor and agitator to extend into the glue tank. The agitator and glue disc rotate and stir the liquid silicone, preventing layering and localized solidification. The cleaning section is quickly installed by inserting a rod into a support rod. Rotating the T-ring drives a rotating sleeve to rotate around the flange, and a cotton brush and scraper clean the pressure plate and flange. The extrusion spraying section uses a corrugated bladder to spray the solvent through guide channels and liquid channels onto the cleaning surface, combined with mechanical scraping for synergistic cleaning. This invention improves cleaning efficiency, reduces residual silicone rate, shortens equipment maintenance time, and significantly improves injection quality and production efficiency.

The utility model relates to processing equipment for a silicone tube with a built-in spring, and belongs to the technical field of spring mattress manufacturing. The processing equipment for the silicone tube with the built-in spring comprises a silicone extrusion unit, the silicone extrusion unit comprises a silicone injection port and an extrusion port die, the silicone extrusion unit is used for extruding an injected silicone material into silicone sheets with equal thickness, and the extrusion port die comprises a rectangular opening; the silica gel sheet cutting unit comprises a cutting knife, and the cutting knife is used for cutting the silica gel sheet to obtain a silica gel sector; the film pressing forming unit comprises a forming cavity, the forming cavity is in a circular truncated cone shape, and a circular truncated cone-shaped fixing column is arranged in the center of the forming cavity; and the heating and pressurizing unit is used for carrying out heating vulcanization and pressurizing forming on the silicone tube in the forming cavity. According to the processing equipment, a mode of combining extrusion molding and compression molding is adopted, and a silicone tube product internally provided with an irregular spring can be rapidly and efficiently processed and produced.

This invention provides a liquid silicone injection mold structure for a charging port of a new energy vehicle, belonging to the field of silicone injection mold technology. It includes a rear mold base, a front mold connected to the output end of an injection molding machine, and a connecting seat detachably fixed to the outer wall of the rear mold base. A rear mold mechanism is provided on the side of the connecting seat away from the rear mold base. The rear mold mechanism includes the rear mold and multiple mold cavities opened on the side of the rear mold base away from the connecting seat. A top frame mechanism is provided inside the mold cavity for ejecting the molded silicone sealing ring from the cavity. Through the above method, this invention can effectively separate the silicone sealing ring from the mold, effectively demolding the tightly adsorbed part inside the mold cavity, significantly reducing the probability of manual peeling. This not only reduces process time but also further reduces the potential damage to the precision molding texture on the surface of the mold cavity due to manual operation, reducing silicone residue and improving the injection molding quality of the silicone sealing ring.

The utility model relates to a highly dustproof and waterproof tail gate switch, which relates to the technical field of automobile control switch manufacture, and comprises a button and a controller, the button is installed on a second shell assembly, the second shell assembly and a first shell assembly are connected through silica gel injection molding, the first shell assembly is fixed on a frame, and the controller is connected with the second shell assembly through silica gel injection molding. An inductive sensor is arranged on one side edge of the shell assembly and is in signal connection with the controller. The button is installed on the second shell assembly, the second shell assembly and the first shell assembly are connected through silica gel injection molding, and the first shell assembly is fixed to the vehicle frame, so that when pressure is applied to the button, the second shell assembly is pushed to move, at the moment, silica gel deforms to a certain degree, and the button is pressed. When the first shell assembly and the second shell assembly are connected through silica gel, it is guaranteed that water and dust cannot enter the first shell assembly and the second shell assembly, and therefore high stability is achieved.

The application discloses a replaceable silica gel partial forming die suitable for producing various silica gel saddles and application thereof. The die comprises a pressing plate (1) and a lower die (2) which are arranged in an upper-lower matching mode. The upper surface of the lower die (2) is provided with an inwardly recessed silica gel injection molding cavity (4). The lower surface of the lower die (2) is also provided with an inwardly recessed vacuum pumping cavity (5). A plurality of through holes (6) are arranged between the silica gel injection molding cavity (4) and the vacuum pumping cavity (5). A lower die plate (7) is detachably arranged below the lower die (2). The lower die (2) is further provided with a vacuum pumping hole (14) which is in communication with the vacuum pumping cavity (5). The die has the advantages of simple structure and convenient use. The lower die of the die can be replaced according to different requirements. The silica gel shape obtained in production can be controlled, and the customized requirements of customers can be met. The silica gel injection amount is relatively less than that in the traditional process.

The utility model belongs to injection molding machine technical field especially relates to a kind of precision silica gel injection molding machines, it include: support, support is equipped with lower formwork;Lower formwork is equipped with mould;Lower formwork is equipped with multiple openings, each opening is equipped with corresponding and is inserted with mold closing column, each mold closing column one end is connected with upper formwork, other end is connected with base, base is located in support bottom;Mould includes lower mould body and upper mould body;Support is equipped with the first cooling assembly for the heat dissipation of lower mould body and upper mould body;Lower mould body is connected in lower formwork;Upper mould body is connected in upper formwork, upper formwork is also equipped with second cooling assembly. By setting first cooling assembly, lower mould body and upper mould body can be heat dissipated, because upper mould body is close to injection port heat high, heat dissipation is slow, by setting second cooling assembly, for the heat dissipation of upper formwork, cold quantity is transferred to upper mould body, so that lower mould body and upper mould body cooling speed are substantially same, product shrinkage is consistent, reduce scrap rate.

The utility model belongs to the technical field of oral cavity injection, and particularly relates to a dental arch-shaped U-shaped silicon rubber injection head which comprises two symmetrically buckled shells, a plurality of salient point buckles are arranged on the shells, silica gel arc-shaped pads are clamped on the salient point buckles, the two salient point buckles are connected to form a first flow channel, and a second flow channel is formed in the shell. The two different convex point buckles are connected to form a second flow channel, the first flow channel and the second flow channel converge to a third flow channel in the shell, and the third flow channel is connected with one convex point buckle. Through the unique flow channel design, including the first flow channel, the second flow channel, the third flow channel, the fourth flow channel and the collection cavity, smooth and efficient flowing and collection of silicon rubber are ensured, the injection accuracy is improved, the use stability is enhanced through anti-skid lines of the silica gel arc-shaped pad and anti-skid threads of the grip, internal connection is convenient to observe through the transparent outer cover, and the service life is prolonged. The cross-shaped cutter and the related structure of the bottom cover are convenient to operate and maintain, and the performance and the practicability of the injection head are integrally improved.

The technology comprises the steps that a hardware glue sealing position is arranged, specifically, a plastic plug is arranged at the top glue sealing position of the hardware, the plastic plug is made of a polyamide composite material containing components in a specific proportion, a nanoscale additive and a shape memory alloy wire are arranged in the plastic plug, and the plastic plug is in prepressing interference fit with the polyamide composite material; and the hardware with the plastic plug is put into a mold containing an upper mold core and a lower mold core to be closed, silica gel injection coating contains specific parameters and a multi-stage pressure control technology, and cooling, mold opening and part taking are carried out. An annular clamping groove is formed in the top of the plastic plug and is clamped and locked with a buckle at the top of the inner cavity of the upper mold core. The plastic plug is cylindrical, the bottom of the plastic plug is planar, and the top of the plastic plug is rounded. Compared with a traditional process, the process has the advantages that the sealing effect can be better controlled through the filling and sealing position of the plastic plug, silica gel is prevented from overflowing, and flash and gel cleaning procedures are reduced; during prepressing interference fit, the plastic plug plays a buffering role, and additives in the plastic plug optimize the performance, so that the hardware can be protected, and the abrasion of the mold core is reduced.

The utility model relates to the technical field of injection molding systems, in particular to an automatic injection molding flow adjusting mechanism for a liquid silica gel injection molding system. The cold runner system comprises a cold runner system mold, a plurality of pouring runner systems arranged on the cold runner system mold, and cold runner nozzle air cylinder assemblies which are arranged in a one-to-one mode and used for being matched with the pouring runner systems. The valve needle assembly is driven by the cold runner nozzle air cylinder assembly; and the adjusting mechanism is arranged in the cold runner system mold and independently controls the cold runner nozzle air cylinder assembly. The cold runner nozzle air cylinder assembly has the advantages that according to the technical scheme, the adjusting mechanisms capable of being independently controlled are independently arranged on the cold runner nozzle air cylinder assembly, the stroke distance of the cold runner nozzle air cylinder assembly is controlled through the adjusting assemblies, and therefore the purpose of reducing the glue outlet flow is achieved.

A silicone pencil preparation device includes: a conveying apparatus, a grabbing apparatus, a silicone injection molding machine and a control apparatus. The conveying apparatus includes an unprocessed pencil conveying apparatus and a processed pencil conveying apparatus. The silicone injection molding machine includes a main machine provided with a mold and a mold closing system, the mold includes a front mold and a rear mold, the mold is secured onto the mold closing system, and a middle portion of a front mold cavity is provided with a pencil carrying slot. The control apparatus is configured to perform the following steps: moving an unprocessed pencil to the pencil carrying slot; performing a mold closing operation; performing an injection molding operation on the front mold cavity and a rear mold cavity; performing a mold splitting operation; and moving a processed pencil in the pencil carrying slot to the processed pencil conveying apparatus.

The utility model discloses a mould structure for improving air trapping in silica gel injection molding, which comprises a first insert, a second insert, a rear mould insert pin, a front mould insert pin, a flash groove, an exhaust groove and an exhaust channel, opposite surfaces of the first insert and the second insert are provided with a first injection hard rubber product positioning cavity, a first injection hard rubber product is preassembled at the first injection hard rubber product positioning cavity, and a second injection hard rubber product is preassembled at the first injection hard rubber product positioning cavity. A rear mold insert pin is vertically inserted into the first insert, a front mold insert pin is vertically inserted into the second insert, a through second-injection LSR silica gel product forming cavity is formed in the face, opposite to a first-injection hard rubber product, of the second insert and the front mold insert pin, a plurality of flash grooves communicated with the second-injection LSR silica gel product forming cavity are formed in the vertical direction of the second-injection LSR silica gel product forming cavity, and the flash grooves are communicated through exhaust grooves. The die is further provided with an exhaust channel communicated with the exhaust groove. By means of the mode, exhaust can be improved, the increased die cost is very small, the phenomenon that an overflow part is attached to a one-shot hard rubber product is avoided, and the post-processing procedure of the product is reduced.

The present invention relates to the technical field of injection molds, and discloses a liquid silicone injection mold facilitating glue volume control, which includes an upper template, a lower template and a temperature control box. A flow splitter plate is arranged between the upper template and the lower template. A glue injection port is arranged on the upper template. The glue injection port is connected with a plurality of liquid silicone cold nozzles through the flow splitter plate. A main runner communicated with the glue injection port and a plurality of sub-runners communicated with the main runner are arranged inside the flow splitter plate. The sub-runners are communicated and arranged below the main runner. The sub-runners include a symmetrically arranged first sub-runner and a second sub-runner. Both the first sub-runner and the second sub-runner include a first arc section, a second arc section and a confluence section. The liquid silicone cold nozzle includes a valve needle driving assembly, a valve needle connected to the output end of the valve needle driving assembly, and a cold nozzle. The cold nozzle is integrally connected below the valve needle driving assembly. One end of the piston part of the valve needle driving assembly extends out of the upper template and is connected with an adjusting part, and the other end extends into the cold nozzle runner and is connected with the valve needle to form an adjustable needle valve structure.

The present invention relates to an injection molding machine (1) comprising a machine frame (3), a clamping unit (4) with two clamping plates (8r, 8l), an injection unit (5), an injection unit actuator (6) by means of which the injection unit (5) can be moved along the machine frame (3), a mold (7), and a silicone injection molding adapter (2) arranged between a mold half (14r) and a clamping plate (8r) for injecting silicone into the mold (7). The silicone injection molding adapter (2) has an adapter body (22) and an adapter piston (23). The adapter body (22) comprises a silicone transfer chamber (29), a closable inlet channel (31) through which silicone can be fed to the silicone transfer chamber (29), and an injection channel (33) through which silicone can be injected from the silicone transfer chamber (29) into the mold (7).The adapter piston (23) is slidably mounted in the silicone transfer chamber (29), and by moving the adapter piston (22), silicone can be injected from the silicone transfer chamber (29) via the injection channel (33) into the mold (7). The adapter piston (23) can be pushed into the silicone transfer chamber (29) of the adapter body (22) by moving the injection unit (5) using the injection unit actuator (6).

The present invention relates to a wire connector, having a waterproofing function, for a street light and, more specifically, to a wire connector, having a waterproofing function, for a street light, wherein: a connection portion, formed by twisting a cable and wires exposed while removing the cable, is inserted into a central insertion hole in a connector cap in the street light; silicone of a silicone member connected to a silicone injection hole is supplied to an insert fastening portion according to the movement of a silicone housing and is densely filled and solidified in the connection portion without leaving any gaps; and a cushion connection member formed between an insertion hole and the insert fastening portion is positioned in a central portion without placing any restrictions on the thickness of the wire, and then the flow of silicone leaking out via a connection hole is observed and a seal is made to achieve accurate waterproofing and dustproofing. According to the present invention, a street light structure, in which a wire (21) of a cable (20) is waterproofed by a connector body (10) in a street light (200) having a main pole (220) in which a distribution plate (230) is formed below an upper pole (240) to which a horizontal bar (250) having a head (260) on one or both sides is connected, comprises: the connector body (10) in which a silicone injection hole (15) is connected to an insert fastening portion (14) formed in a spiral inside an insertion hole (11) into which a connection portion (22) formed by removing the front end of the cable (20) and twisting the exposed wire (21) is inserted, the connection portion (22) and the cable (20) being partially rotated and fixed to the insert fastening portion; a silicone housing (30) which is connected to the connector body (10) and forms a silicone storage space (33) in which silicone (42) is stored, and to which pressure is applied to supply the silicone (42) to the insert fastening portion (14) and make the connection portion (22) watertight; and a cushion connection member (60) which is positioned in the insertion hole (11) and in a fixed jaw (12) of the insert fastening portion (14) and has a connection hole (61) formed in the center, wherein the cable (20) is passed through and engages the connection hole (61).

The utility model discloses a silica gel injection molding mechanism with a nozzle length adjusting function, and relates to the technical field of injection molding machine nozzles, the silica gel injection molding mechanism comprises a motor and a mounting plate, a first threaded butt joint hole is formed below the motor, a lengthening rod is arranged below the first threaded butt joint hole, a first butt joint block is arranged at the top end of the lengthening rod, and a second threaded butt joint hole is formed below the mounting plate. A second threaded butt joint hole is formed in the bottom end of the lengthening rod, a threaded through rod is arranged below the lengthening rod, and a second butt joint block is arranged at the top end of the threaded through rod; according to the utility model, through the arrangement of the first threaded butt-joint hole, the lengthening rod and the threaded through rod, the device can form a long nozzle or a short nozzle by dismounting the lengthening rod, and the first butt-joint block and the second butt-joint block are arranged to be the same in size and shape, and the first threaded butt-joint hole and the second threaded butt-joint hole are arranged to be the same in size and shape; and finally, a second butt-joint block is arranged to be matched with a second threaded butt-joint hole, so that the transformation of the form of the device is simpler.