118results about How to "Easy injection molding" patented technology

The invention relates to the technical field of material processing, in particular to an automobile injection molded part buckling deformation monitoring optimization method in the injection molding process, which comprises the following steps: S1, material characteristic detection; s2, detecting the quality of the injection molded part; s3, analyzing the quality of the injection molded part; s4, injection molding process detection; s5, analyzing an injection molding process; s6, cooling analysis, according to the overlapping length of the edge contour of each injection molding part sample and the standard contour, the shrinkage rate of each injection molding part sample is obtained, then the optimal material is selected, the injection molding process demand adjustment coefficient is analyzed, the pouring gate position is regulated and controlled accordingly, reinspection is conducted, and the process demand adjustment coefficient of the automobile injection molding part is analyzed; according to the method, the injection molding part is adjusted and rechecked, whether the injection molding part is cooled unevenly or not is judged by analyzing the temperature change overlapping degree of the area of the injection molding part, adjustment and recheck are conducted accordingly, the injection molding process can be optimized, the injection molding technology can better meet the actual requirement, and the effectiveness and accuracy of all adjustments are ensured.

The invention discloses an injection molding method for a jute fiber board or jute fiber felt. The injection molding method comprises the following steps that S1, the jute fiber board or jute fiber felt is put into heating equipment to be baked and heated; s2, the heated jute fiber board or jute fiber felt is put into an injection mold to be subjected to forming and punching treatment, and a primary finished product is generated; s3, a melt raw material is injected into the injection mold, the structure of the back of the primary finished product is subjected to injection molding, pressure maintaining and cooling are conducted, and a finished product is generated; and S4, ejecting a finished product by the injection mold, and demolding the finished product. According to the method, hot pressing, injection molding and punching are combined, and the jute fiber board or the jute fiber felt can be integrally subjected to hot pressing injection molding to obtain a finished product without special equipment for combining hot pressing and injection molding, so that the production cost is reduced, and the production period is shortened.

The invention discloses a multi-station multi-color silica gel integrated forming mold, and belongs to the field of injection molds. Comprising a U-shaped base, two transverse guide rods are arranged on the upper portion of the inner side of the U-shaped base, the outer side walls of the two transverse guide rods are jointly connected with half molds in a sliding mode, and the opposite sides of every two adjacent half molds are attached to each other; a rotating rod is rotationally connected to the lower portion of the interior of the U-shaped base through a rotating shaft, a plurality of bidirectional screw tubes are fixedly connected to the outer side wall of the rotating rod, and two concave moving parts are in threaded connection to the outer side walls of the bidirectional screw tubes; the forming mold is composed of the two half molds which are oppositely attached in the left-right direction, multi-color silica gel injection molding is facilitated, meanwhile, the multiple sets of forming molds composed of the multiple sets of half molds are arranged, multiple sets of workpieces can be conveniently formed at the same time, meanwhile, the half molds can slide along the transverse guide rods, and the injection-molded workpieces can be conveniently taken out by splitting the two half molds.

The invention relates to the technical field of temperature control, and particularly discloses an injection molding temperature control system for an injection molding machine, which comprises a periodic detection module for periodically detecting an injection molding product to obtain abnormal data of the injection molding product in each detection period; the abnormal data analysis module is used for calculating an abnormal coefficient based on the abnormal data; the injection molding process evaluation module is used for evaluating the injection molding process of the injection molding product based on the abnormal coefficient, judging whether the injection molding process of the injection molding product is in an abnormal state or not and generating a state evaluation signal; the relevance evaluation module is used for analyzing whether the abnormity of the injection molding process of the injection molding product is related to the temperature of the injection molding machine or not based on the state early warning signal and generating a relevance evaluation signal; the temperature regulation and control module is used for regulating and controlling the temperature of the injection molding machine based on the associated signals; the detection precision of the injection molding product in the injection molding process is improved, an accurate temperature regulation and control strategy is implemented, the stability of the injection molding process is improved, and the product quality is effectively guaranteed.

The invention discloses a high-impact-strength polyethylene naphthalate composite material and a preparation method thereof, and belongs to the field of composites.The preparation method includes the steps that 100 parts by mass of polyethylene naphthalate, 10-40 parts by mass of polyacrylate elastomer, 0.5-1.5 parts by mass of heat stabilizer and 0.5-1 part by mass of antioxidant additive are mixed to be uniform, melt extrusion is conducted, and the high-impact-strength polyethylene naphthalate composite material is obtained. The polyethylene naphthalate composite material with high impact strength is obtained. According to the invention, the polyacrylate elastomer with low crosslinking density is dispersed into the PEN resin to form a phase morphology with the characteristic of low matrix ligament thickness, and the morphology can effectively increase the ductility of PEN, so that the PEN shows better energy absorption and deformability under impact, thereby avoiding brittle rupture. The polyethylene naphthalate composite material provided by the invention is excellent in comprehensive performance, simple in preparation process, easily available in raw materials and wide in industrial application prospect.

The utility model provides an automatic material belt pulling device which comprises a first motor, a second motor and a material belt, the output end of the first motor and the output end of the second motor are each fixedly provided with a gear motor, a support is fixedly installed on each gear motor, and a power shaft is fixedly installed at the output end of each gear motor; the other end of the power shaft penetrates out of the support, the power shaft is rotationally connected with the support through a bearing, and a material pulling wheel is fixedly installed at the other end of the power shaft. A base is fixedly installed on the front side of the bottom of the support, and a movable block is slidably installed on the base through a countersunk head guide column. The material belt is located between the movable block and the material pulling wheel. Through the integral arrangement, the material belt can be automatically positioned and moved in the mold, the injection molding process is reduced, the labor cost can be effectively saved by matching a punching device after a product is punched out, the waste rate of the material belt is reduced, and the production efficiency of the product can be ensured.

The utility model discloses a disc driving structure of a sole injection molding machine, which relates to the technical field of sole injection molding and comprises a working platform, a rotating disc is arranged in the middle of the upper end of the working platform, a rotating column is arranged at the lower end of the rotating disc in the working platform, and a gear ring is arranged on the outer wall of the rotating column. A driving gear is arranged on the side wall of the gear ring, a rotating shaft is arranged in the middle of the driving gear, a rotating base is arranged in the working platform below the rotating column, four sets of mold boxes are further arranged at the upper end of a rotating disc, and positioning grooves are formed between the four sets of mold boxes and the rotating disc; and injection molding openings are formed in the upper ends of the four groups of mold boxes. According to the disc driving structure of the shoe sole injection molding machine, the rotating disc can be controlled to rotate at the upper end of the working platform, the position of the mold box can be automatically adjusted after injection molding is completed, and the efficiency of the injection molding process is higher.

The invention discloses elastic wear-resistant sports shoe sole forming equipment, and belongs to the technical field of shoe material production equipment.The elastic wear-resistant sports shoe sole forming equipment comprises a base, a rotating table and four forming molds, a mounting column is arranged in the center of the base, the rotating table is rotationally connected with the mounting column, and the four forming molds are distributed at equal angles of 90 degrees with the mounting column as the center; the forming mold comprises a lower mold body, a middle mold body and an upper mold body, when a shoe sole is formed, an outsole raw material enters the first forming cavity through the first discharging hopper and is subjected to foaming forming after mold closing of the middle mold body and the lower mold body, and an insole raw material is injected into the second forming cavity formed after mold closing of the first male mold body and the second male mold body in an injection molding mode; the insole and the outsole are made of partially identical raw materials and can be fused with the outsole during forming, so that tear resistance is improved, and large color mixing is avoided when the colors of the outsole and the insole are different.

The utility model discloses a one-time forming die for a radiator grille base, and belongs to the technical field of dies. Comprising a fixed mold base and a movable mold base, a fixed mold block is fixedly mounted on the fixed mold base, and a movable mold block is slidably clamped on the movable mold base; cavities are formed in the middle parts of the opposite surfaces of the fixed module and the movable module; hydraulic rods are fixedly mounted on the two sides of the top of the movable mold base, and output rods of the hydraulic rods are fixedly connected with the movable mold block; the opening and closing mechanisms are mounted between the two sides of the movable module and the fixed module; when the hydraulic rod pushes the movable module to be close to the fixed module for mold closing, the opening and closing mechanism is automatically closed to enable the cavity to be sealed completely, the ejection mechanism retracts into the movable module, and therefore injection molding is facilitated, after molding, the movable module is away from the fixed module for mold opening, and at the moment, a product is located in the cavity; and the opening and closing mechanism is unfolded to loosen the product, and meanwhile, the ejection mechanism extends into the cavity from the driven module to separate the product from the cavity, so that the product falls down and is collected conveniently, and one-time automatic processing is achieved.

The invention belongs to the technical field of injection molds, and discloses an automatic injection mold convenient to demold and eject, the automatic injection mold comprises four cushions, the tops of the four cushions are fixedly connected with supporting legs, the tops of the supporting legs are fixedly connected with a workbench, the four supporting legs are divided into two groups, and the workbench is fixedly connected with the workbench. Connecting pieces are fixedly connected to the outer sides of the two sets of supporting legs, a supporting plate is fixedly connected between the two connecting pieces, demolding assemblies are arranged on the outer sides of the connecting pieces and comprise hydraulic rods fixedly connected to the tops of the connecting pieces, connecting frames are fixedly connected to the tops of the hydraulic rods, and clamping openings are formed in the connecting frames. A hydraulic rod drives a connecting frame to ascend and descend, so that a clamping block is driven to ascend and descend, a transmission frame is driven to ascend and descend, a first lifting plate is driven to ascend and descend, cooled parts are lifted up, demolding is completed, the part taking difficulty is reduced, and the production efficiency is improved.

The invention discloses an injection molding device for processing a DC brushless cooling fan. The invention relates to the technical field of injection molding devices, and includes a frame, an injection molding mechanism, and a heat preservation component. The injection molding mechanism includes a linear guide rail, an injection molding main machine is slidably installed on the top of the linear guide rail, a servo motor is installed on the outer surface of the injection molding main machine and near the hydraulic cylinder, an injection molding cylinder is installed at one end of the injection molding main machine away from the servo motor, a spiral blade is rotatably installed in the middle of the inner cavity of the injection molding cylinder, a conical guide bucket is fixedly installed at the edge of the spiral surface of the spiral blade and near the position of the injection molding main machine, and the heat preservation component includes a heat preservation cylinder, a first annular tube is installed in the inner cavity of the heat preservation cylinder and near the discharge end of the injection molding cylinder, and a second annular tube is installed in the inner cavity of the heat preservation cylinder and at one end away from the first annular tube. The injection molding device for processing a DC brushless cooling fan achieves the effect of preventing material pulling, guides the granular material, is not easy to get stuck, and is heat-insulated, which is safe and reliable.

The utility model relates to the technical field of automobile lamp processing, in particular to a combined type automobile lamp processing mold convenient for blanking, which comprises an upper mold assembly, a lower mold assembly and an automobile lamp injection molding part, and a mold cavity for forming the automobile lamp injection molding part is arranged between the upper mold assembly and the lower mold assembly. The lower mold assembly comprises a mold base, a lower mold, a protrusion, an installation box, an electric air cylinder, a piston rod, a power source, a clamping plate, a limiting piece and an ejector rod, the lower mold is located above the mold base, the protrusion is arranged in the middle of the top end of the lower mold, the clamping plate is buckled to the top end of the protrusion, the end, away from the protrusion, of the clamping plate is an arc-shaped face, and the automobile lamp injection molding piece is buckled to the clamping plate and the protrusion. The electric air cylinder can push the limiting piece and the clamping plate upwards through the piston rod, then the formed automobile lamp injection molding piece can be pushed upwards, the automobile lamp injection molding piece is demolded on the outer side of the protrusion, when the limiting piece and the clamping plate move upwards, the ejector rod is pulled out of the limiting piece and the clamping plate, and through the design of the through hole, the automobile lamp injection molding piece can be discharged conveniently.

The present invention belongs to the technical field of shoe mold demoulding, and in particular, is an automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line, comprising an annular conveyor belt and a mold arranged on the upper surface of the annular conveyor belt, the outer surface of the annular conveyor belt is respectively provided with a mechanical arm for spraying a demoulding agent on the mold and an injection molding gun for injecting molding into the mold, the two side surfaces of the annular conveyor belt close to the mechanical arm are respectively installed with a first support frame and a second support frame, and the surface of the second support frame is provided with a demoulding mechanism. The automatic rapid demoulding mechanism and method for shoe mold cores used in a shoe production line, by providing a demoulding mechanism, using a shovel block to insert into the gap between the mold and the shoe mold core, and using the relative rotation of the two shovel blocks to clamp and remove the shoe mold core, avoids the problem of uneven force in manual operation, enables the shoe mold core to be completely removed, and can accelerate the demoulding speed, thereby improving the demoulding efficiency.

The utility model discloses a bent guide pipe structure for a tail end of a stay wire, which comprises a bent pipe body, a wire core hole is arranged in the bent pipe body, a positioning clamping groove is fixedly arranged on the left side of the bent pipe body, an opening groove is arranged at the upper part of a bent part of the bent pipe body, and a reinforcing rib is fixedly arranged at the lower part of the bent part of the bent pipe body. According to the utility model, high-strength engineering plastic is adopted as a main material, and compared with a traditional metal material, the bent guide pipe structure is lighter, so that the bent guide pipe structure is convenient to install and transport; meanwhile, the stability and durability of the bent guide pipe structure are ensured due to the high-strength characteristic of the engineering plastic; according to the scheme, the positioning clamping grooves, the reinforcing ribs, the shell sleeve holes, the guide holes, the circular-truncated-cone-shaped transition openings and other structures are additionally arranged in the bent guide pipe structure, the structural design is optimized, the strength and stability of the bent guide pipe structure are improved through the design, injection molding is facilitated, and mounting and fixing of the stay wire are also facilitated.

The utility model provides an injection molding device with an object rapid heat dissipation function, and relates to the technical field of injection molding devices, the injection molding device comprises a bottom frame, a top frame, a hydraulic cylinder, an upper mold and a lower mold, and the side surface of the upper mold is fixedly provided with a guide sleeve. Through the arrangement of the bottom frame, the top frame, the hydraulic cylinder, the upper mold, the lower mold, a guide sleeve, a guide rod, a water tank, a refrigeration piece, a water pump, a connecting pipe, a circulating pipe, a machine frame, a first rotating shaft, a second rotating shaft, fan blades, a first belt wheel, a second belt wheel, a belt, a motor, a positioning sleeve, a spring A and a positioning rod, rapid heat dissipation of an injection molding part can be achieved; through water cooling and air cooling, the injection molding device can achieve the rapid, uniform and efficient heat dissipation effect, so that the injection molding process is optimized, the product quality is improved, meanwhile, the upper mold can be guided in the injection molding process, it is ensured that closing and opening of the upper mold are stable and accurate, and therefore the production efficiency is remarkably improved.

The present application discloses a wall-mounted base for an oscillating head machine and an assembly method thereof, and belongs to the technical field of oscillating head machine installation. A wall-mounted base for an oscillating head machine comprises a base body, a waist-shaped hole is provided at the bottom of the base body, a waist-shaped plate is provided on the inner side of the base body relative to the waist-shaped hole, and a gap is left between the waist-shaped hole and the waist-shaped plate for the screw head to pass through; steps are provided on both sides of the waist-shaped hole close to the waist-shaped plate, and when the base body and the screw are in an assembled state, the side of the screw head close to the screw tail abuts against the step, and the side of the screw head away from the screw tail abuts against the waist-shaped plate; the side of the step away from the end of the waist-shaped plate adopts an oblique transition. The wall-mounted base for an oscillating head machine and the assembly method thereof do not need to connect the oscillating head machine to the wall through a bracket, which simplifies the wall-mounted structure of the oscillating head machine, facilitates assembly, and ensures that the oscillating head machine is firmly fixed to the wall.

The utility model relates to the technical field of concrete pole steel mould upper moulds, and discloses a concrete pole steel mould upper mould automatic cleaning device which comprises a supporting seat, the top of the supporting seat is fixedly connected with a walking track, the top of the walking track is connected with a supporting frame in a sliding mode, and the supporting frame is connected with the supporting seat in a sliding mode. The concrete pole steel mold feeding automatic cleaning device comprises a supporting base, the inner wall of the supporting base is rotationally connected with a two-way threaded rod, the outer wall of the two-way threaded rod is in threaded connection with a clamping plate, a mold feeding device is arranged above a walking rail, and the top of the supporting base is fixedly connected with a motor. Then a rotating rod drives a cam to rotate, at the moment, the cam drives a crushing block on a first pushing plate to move up and down to crush concrete solidified on the end face of the flange, the concrete on the end face of the flange can fall off, the end face of the flange is clearer and smoother when a brush cleans the end face of the flange, and next injection molding is facilitated.

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 present invention relates to the technical field of cigarette film, in particular to a biaxially stretched cigarette film and a preparation method thereof, comprising the following steps: S1, drying polybutylene succinate, a toughening agent, a lubricant, nano calcium carbonate and hydrogenated petroleum resin and putting them into a silo respectively, and entering a twin-screw extruder according to a mass ratio of (80-120): (4-7): (3-5): (2-4): (1-2), the melt extrusion temperature is controlled at 140-180°C, and the sheet is cast by a casting roller at a temperature of 25-35°C to form a sheet; S2, biaxially stretching: preheating the sheet first, then longitudinally stretching it, cooling and shaping it, then preheating it again, stretching it transversely, cooling and shaping it; S3, corona treatment, winding, aging, and slitting to obtain a biaxially stretched cigarette film. The biaxially stretched cigarette film prepared by the present application is not only easy to degrade and avoid white pollution, but also not easy to break after biaxial stretching and has high tensile strength.

The utility model discloses a kind of reinforced structures of roll type membrane element end cover, belong to reverse osmosis membrane element technical field.The structure includes end cover body and card strip grid.The end cover body includes outer ring, inner ring and multiple end cover support skeletons connecting outer ring and inner ring, the inner circumferential surface of the outer ring is circumferentially distributed with multiple for detachable connection reverse type buckle cooperation structure;The protruding buckle that the card strip grid two ends are equipped with is matched with the reverse type buckle cooperation structure;Multiple the card strip grid is connected between two end cover bodies by the cooperation structure, and form adjustable overall support frame.The utility model is through above-mentioned modular adjustable combination structure, the significant improvement of end cover strength and the balanced adaptation to different diameter membrane element are realized, effectively disperses stress, avoid the problem such as end cover cracking and glass steel fracture caused by stress concentration, significantly prolong the service life of membrane element under high pressure high salt working condition.

The utility model provides an injection molding orientation device which comprises a processing box, a control assembly and a temperature control assembly, one side of the processing box is fixedly connected with an air cylinder, and a piston rod of the air cylinder is fixedly connected with a connecting rod; and the control assembly is arranged on the inner side of the machining box and comprises a supporting frame, a moving plate and a fixing block, the supporting frame is fixedly connected to the inner side of the machining box, the moving plate is arranged on the inner side of the supporting frame, and the fixing block is fixedly connected to one side of the moving plate. The injection molding orientation device provided by the utility model solves the problems that part of the existing injection molding devices generally adopt common mold temperature or normal temperature environment to carry out molding processing on a magnetic material, the coercive force of magnetic powder is not favorably reduced, the magnetic field intensity and the orientation degree of the magnetic material are influenced, the magnetized magnetic material is inconvenient to quickly cool, and the cost is high. And a certain difficulty is brought to sufficient orientation.

The invention discloses automobile radiator water chamber injection molding equipment, and relates to the technical field of injection molding equipment, the automobile radiator water chamber injection molding equipment comprises a rack, an injection mold and a pouring mechanism, the injection mold comprises a fixed mold and an air cylinder, a guide column is fixedly mounted on the side of the outer side of the fixed mold, and a movable mold is fixedly mounted at the output end of the air cylinder; the movable mold and the guide column are slidably installed through a sliding sleeve, a sprue bush is fixedly installed on the side, away from the movable mold, of the fixed mold, a self-locking assembly is installed between the top of the fixed mold and the top of the movable mold, the pouring mechanism comprises a right-angle guide rail and a pouring main machine, and the bottom of the pouring main machine and the output end of a hydraulic cylinder are fixedly installed; a feeding bin is installed in the middle of the top of the pouring main machine, an injection molding barrel is fixedly installed on the side, close to the sprue bush, of the pouring main machine, and a heat utilization assembly is installed on the outer circle face of the injection molding barrel. According to the injection molding equipment for the water chamber of the automobile radiator, the anti-loosening effect is achieved, the influence of external force and vibration is reduced, mold opening and closing are convenient, and injection molding is safe and reliable.

The present invention discloses a urea pump filter cavity heating structure, comprising a metal inner cavity, a plastic outer cavity and a heating unit, wherein the metal inner cavity is in a hollow cylindrical shape, and a limit step for mounting with a filter is arranged on the inner wall of the metal inner cavity, and a metal boss for fixing the heating unit is arranged on the outer wall of the metal inner cavity, and the plastic outer cavity is wrapped outside the metal inner cavity and fixed to the housing of the urea pump, and a window for exposing the heating unit is opened on the plastic outer cavity. The above-mentioned urea pump filter cavity heating structure retains the advantage of good thermal conductivity of metal through the metal inner cavity, reduces the energy consumption and requirements of the heating unit, and retains the characteristics of the plastic part through the plastic outer cavity, is convenient for injection molding, and provides thermal insulation function for the metal inner cavity, and the heating unit is not wrapped in the plastic part, which is conducive to early debugging and later maintenance, and has high overall integration, low cost, fast heat conduction, less heat loss, and high heating efficiency.

The invention provides an LED lamp cup injection molding device with a feeding structure, and belongs to the technical field of injection molding devices.The LED lamp cup injection molding device comprises an injection molding table and an injection molding top plate which are connected through supporting columns, and multiple sets of mold pressing assemblies are arranged; a hopper and a dissolving assembly are arranged above the injection molding table and are communicated with each other through a connecting pipe; a liquid storage tank and a liquid storage tank in the liquid storage tank are arranged on the injection molding top plate, and the liquid storage tank communicates with the dissolving assembly and the injection molding assembly; a feeding assembly is arranged on one side of the injection molding table, a plurality of sets of rolling shafts are arranged in a feeding groove, a material draught fan and an electric lifting rod are arranged, the material draught fan is connected with the hopper and the electric lifting rod, and a controller is arranged on the injection molding table. According to the device, the feeding assembly is matched with other parts through the rolling shaft, the material barrel is moved to the position below the electric lifting rod, the material fan is matched with the electric lifting rod, raw materials in the material barrel can be automatically conveyed into the hopper, the problem that manual feeding consumes time is effectively solved, and therefore the working efficiency is improved.

The rubber part injection mold comprises a machining table, a sliding groove and a mold body are arranged at the top of the machining table, the mold body comprises a driving motor, a threaded rod, a first injection mold body, a second injection mold body and a sliding block, and the threaded rod is rotationally connected into the sliding groove; the driving motor is fixedly installed on one side face of the machining table, and the output end of the driving motor is fixedly connected with one end of the threaded rod. The number of the sliding blocks is two, the two sliding blocks are connected to the outer surface of the threaded rod in a threaded and sleeving mode, and the first injection mold and the second injection mold are fixedly connected to the tops of the two corresponding sliding blocks correspondingly. The threaded rod drives the first injection mold and the second injection mold to move oppositely or reversely on the machining table through the two sliding blocks under the action of the driving motor. By the adoption of the injection mold, injection molding can be conveniently carried out, demolding treatment can be conveniently achieved, and the injection mold is simple in overall structure, convenient to operate and use and suitable for application and popularization.

The invention discloses an efficient energy-saving electric pre-molding box type injection structure, and relates to the technical field of injection structures, the efficient energy-saving electric pre-molding box type injection structure comprises an electric pre-molding device and a supporting frame, a sound insulation and heat dissipation box is arranged on the outer wall of the electric pre-molding device, a discharging pipe is fixedly installed at an outlet in the lower end of the electric pre-molding device, and an injection mechanism is arranged in the sound insulation and heat dissipation box; and a transmission mechanism is arranged on one side of the injection mechanism. According to the injection molding machine, large torque can be provided within a short time to rapidly push plastic raw materials for injection molding, so that the injection molding period is shortened, the production efficiency is improved, then, by arranging the sound insulation and heat dissipation box, all structures are wrapped in the sound insulation and heat dissipation box, various forces generated during operation can be effectively resisted, the injection mechanism is prevented from deforming, and the service life of the injection molding machine is prolonged. Therefore, the precision and stability of the injection process are ensured, the equipment can be ensured to be still stable and reliable in a high-pressure environment, and meanwhile, the risk that the injection mechanism is damaged by the accidental factors can be reduced.

The utility model discloses a sectional type super-long light guide strip and preparation mould utensil belongs to injection mold field. A sectional type super-long light guide strip includes at least two light guide strip bodies, the first and last of at least two light guide strip bodies are connected, and the end of every two adjacent light guide strip bodies is connected with the connecting portion, and the connecting portion is detachably connected with the corresponding two light guide strip bodies. A sectional type super-long light guide strip preparation mould utensil, including die core subassembly, die core subassembly includes upper die core and lower die core, the surface of upper die core and lower die core is adjacent and is pasted to form at least two cavities, the shape of different cavities is matched with the shape of corresponding light guide strip body, and the cavity contains molten material to form corresponding light guide strip body, and the surface of upper die core and lower die core is adjacent and is provided with flow channel, and the flow channel is communicated with the outside pouring system, and the flow channel is communicated with the cavity. It can realize the production difficulty and production cost of reducing super-long light guide strip.

The utility model discloses a quick release type mould for producing mechanical parts, which belongs to the technical field of moulds and comprises a lower mould plate, a mounting frame is fixedly mounted on the top surface of the lower mould plate, a lower mould block is connected to the top surface of the lower mould plate in a sliding manner, a mould closing groove is formed in the lower mould block, a driving component is arranged in the lower mould plate, and the driving component is connected with the mounting frame. A positioning assembly is arranged above the mounting frame; according to the utility model, through the arrangement of the driving assembly and the positioning assembly, not only are the functions of conveniently and quickly taking out a mold or a tool in the mold and enabling the mold to realize efficient injection molding realized, but also the stability of the mold can be ensured during injection molding, the injection molding position is more accurate, and the problem that the mold or the tool is difficult to take out is avoided. In the prior art, workers are troublesome and time-consuming to operate, and are not convenient and fast enough, and part of molds are poor in stability during injection molding, so that positioning is inaccurate during injection molding.

The invention discloses a sectional type tail door structure, a tail door assembling technology and a vehicle, the sectional type tail door structure comprises a tail door outer plate assembly, the tail door outer plate assembly comprises a tail door outer plate upper section, a tail door outer plate middle section and a tail door outer plate lower section, the upper portion of the tail door outer plate middle section is connected with the lower portion of the tail door outer plate upper section, and the tail door outer plate upper section is connected with the tail door outer plate middle section. The lower portion of the tail door outer plate middle section is connected with the upper portion of the tail door outer plate lower section, and the tail door outer plate middle section integrates the function of a tail lamp mask. According to the sectional type tail door structure, the requirement for injection molding equipment is lowered, the equipment investment is reduced, meanwhile, light weight is achieved, and the appearance attractiveness is improved. According to the tail door assembly process, the turnover frequency of materials can be reduced, the number of tools is reduced, and the occupied area of an assembly site is reduced. The vehicle disclosed by the invention comprises the sectional type tail door structure.