CN115570759B - Auto-parts injection molding system - Google Patents
Auto-parts injection molding system Download PDFInfo
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- CN115570759B CN115570759B CN202211205959.XA CN202211205959A CN115570759B CN 115570759 B CN115570759 B CN 115570759B CN 202211205959 A CN202211205959 A CN 202211205959A CN 115570759 B CN115570759 B CN 115570759B
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- empty box
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- fixedly arranged
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- injection molding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/68—Arrangements for adjusting the position of spray heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/7604—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molding of automobile accessories, in particular to an injection molding system of the automobile accessories, which comprises a fixed empty box, an injection empty box, a fixed die, an injection die, a nozzle, a power unit, an auxiliary unit and a control unit, wherein the fixed empty box is arranged on the fixed die; a first baffle and a second baffle are respectively and fixedly arranged below the inner top parts of the fixed empty box and the injection empty box; a plurality of first through holes and second through holes are respectively formed in the first baffle and the second baffle; nozzles are fixedly arranged below the first baffle and the second baffle respectively; an auxiliary unit is fixedly arranged in the injection mold; the power units are respectively and fixedly arranged on the inner top ends of the fixed die and the injection die; the control unit is fixedly arranged outside the fixed empty box and the injection empty box; the power unit is electrically connected with the control unit, so that the invention not only realizes rapid and uniform cooling, but also can adjust the water flow speed according to the temperature, shortens the cooling time, and simultaneously can keep the die at a certain temperature.
Description
Technical Field
The invention relates to the technical field of injection molding of automobile accessories, in particular to an injection molding system of an automobile accessory.
Background
The injection molding process is characterized in that the material is heated and melted by utilizing the thermophysical property of plastic, and then is put into a die for compression molding, so that a new product is obtained.
In the injection molding process, the cooling process is particularly important, and aiming at the problems, the prior art discloses some injection molding cooling systems, such as Chinese patent invention: CN110076975B publication date: 2021-03-16 discloses an automobile injection mold with external cooling system, including automobile injection mold, the mouth of moulding plastics, sealed joint, the fixed plate, circulation liquid pipe, the circulator connects, automobile injection mold comprises the module body, the air conditioning room, cooling mechanism, circulation cooling pipe, the design module is become, the upper and lower both ends of module body inner wall all are equipped with the air conditioning room, be equipped with the design mould on the inside intermediate position of module body, the module body is integrated with the design mould, the circulator connects and carries out the heat dissipation to the design mould with cold water injection circulation cooling pipe through circulation liquid pipe, utilize the mobile property of cold water, drive cooling mechanism rotatory, and drive external air admission air ventilation heat dissipation in the air conditioning room, effectually improved radiating efficiency and cooling effect, but this system lays a snakelike pipeline on the design mould outer wall really, because there is certain distance between the snakelike pipeline, can not realize cooling down to the mould even.
Based on the cooling efficiency of the mold during injection molding, some solutions are also provided in the prior art, such as the chinese patent of invention: CN113021810B publication date: 2021-12-24 discloses a quick cooling system of auto plastic spare injection mold, including the backup pad, be equipped with injection mold fixed establishment in the backup pad, injection mold fixed establishment both sides are equipped with two cooling device of symmetric distribution, be equipped with water cooling mechanism and forced air cooling mechanism on the cooling device, two kinds of cooling mechanism cooperation use, drive second water cooling tank and supporting water tank intercommunication through first motor operation, the water that the rethread hydraulic pump fortune was transferred cooling flows in first water cooling tank, second water cooling tank, third water cooling tank and supporting water tank, water-cooling to injection mold, then flow back to the water storage bucket, cyclic utilization, forced air cooling mechanism drives the fan through the rotation of second motor, the fan is carried out the forced air cooling to injection mold through the ventilation groove, two kinds of cooling mechanism cooperation use, although this system has improved holistic cooling efficiency, but this system can not cool according to the temperature of mould, when cooling excessively, can cause the influence to the next injection molding, in-process, the material that liquid just has not fully set up whole die cavity yet, cause injection molding quality to decline and demoulding effect subalternation problem.
For cooling systems for injection molding of lamp covers, the prior art discloses some solutions, such as chinese patent invention: CN215434887U publication date: 2022-01-07 an automobile lamp shade cooling molding injection mold, which comprises a base, the material taking opening has been seted up in the front of base, the cooling chamber has been seted up to the lower extreme of base, the shaping die cavity has been seted up to the upper end of base, the visor has been cup jointed in the outside of base, the right surface fixedly connected with water tank of base, the preceding fixedly connected with access window of base, two mould grooves of lower surface fixedly connected with of shaping die cavity, the inside of mould groove is provided with forming mold, the upper surface fixedly connected with inlet pipe of shaping die cavity, and the export of inlet pipe and the entry fixed connection of mould groove, the device has realized having and can make the shaping piece cool off fast, work efficiency has been increased, but the device is at the cooling process, the wall thickness ratio in the middle of the lamp shade is thick on the mould, can not reach quick even cooling, make the local cooling effect of wall thickness not good.
In view of the above-mentioned shortcomings, the present invention improves and optimizes the existing injection molding system for automobile parts, and develops an injection molding system for automobile parts.
Disclosure of Invention
The invention aims to solve the technical problems that: in a traditional auto-parts injection mold, can cool the injection molded accessory, make the injection molded accessory cool fast, but traditional cooling generally lays the pipeline behind the mold, takes away the temperature through the water flow in the pipeline, the pipeline is laid in a serpentine shape, which may lead to uneven cooling, and if the pipeline is too long, the front and back cooling also have differences, the shape of the mold to be injection molded is different, so that the thickness of the mold is different during cooling, which also leads to reduced cooling effect and can not cool fast.
The invention provides the following technical scheme: an injection molding system for automobile parts comprises a fixed empty box, an injection molding empty box, a fixed mold, an injection mold, a nozzle, a power unit, an auxiliary unit and a control unit; a first baffle is fixedly arranged below the inner top of the fixed empty box; a plurality of first through holes are formed in the first baffle; the first baffle is provided with a plurality of first through holes for fixedly mounting a plurality of nozzles according to requirements, and the front end surface of the fixed empty box is fixedly mounted with the rear end surface of the fixed die and fixedly mounted through bolts; a second baffle is fixedly arranged below the inner top of the injection molding empty box; a plurality of second through holes are formed in the second baffle; the second baffle is provided with a plurality of second through holes for fixedly mounting a plurality of nozzles according to requirements, and the front end face of the injection empty box is fixedly mounted with the rear end face of the injection mold and fixedly mounted through bolts; nozzles are fixedly arranged below the first baffle and the second baffle in the fixed empty box and the injection empty box respectively; the nozzle comprises an elbow, a connecting pipe and an arc nozzle; one end of the arc-shaped nozzle is fixedly arranged at one end of the connecting pipe; the other end of the connecting pipe is fixedly arranged on the bent pipe at one end; the other end of the bent pipe is fixedly arranged with a first through hole and a second through hole below the first baffle and the second baffle respectively; the bent pipe is bent to be fixedly arranged at a certain angle, the bent angle of the bent pipe is used for enabling the sprayed water flow to be accurately sprayed on the top of the mold when the nozzle sprays the water flow, and the auxiliary unit is fixedly arranged in the injection mold; the auxiliary unit is used for accelerating the cooling of the die; the power unit is fixedly arranged at the top ends in the fixed die and the injection die; the power unit is used for controlling the position of water flow spraying; the control unit is fixedly arranged outside the fixed empty box and the injection empty box; the power unit is electrically connected with the control unit, and the auxiliary unit is used for changing water flow below the injection mold, so that the water flow can be uniformly scattered below the mold.
Preferably, the power unit comprises a servo motor and a movable plate, and the movable plates are rotatably arranged at the inner top ends of the fixed die and the injection die; one end of the movable plate is fixedly provided with a servo motor; the servo motor is used for controlling the rotation of the movable plate, the movable plate is used for blocking water flow to spray on the die, and the servo motor is fixedly installed on one side of the top ends of the fixed die and the injection die in a sealing mode.
Preferably, the auxiliary unit comprises an arc cone block and a bracket; the inner bottom of the injection mold is fixedly provided with arc-shaped cone blocks through brackets, the two brackets are fixedly arranged on the inclined plane of the bottom of the injection mold, the two ends of the bottom of each arc-shaped cone block are fixedly arranged on the brackets, and the direction of water flow can be changed through the arc-shaped cone blocks.
Preferably, the bottoms of the fixed empty box and the injection molding empty box are conical structures, and a plurality of first holes and second holes are respectively formed in the bottoms of the conical structures; the conical structure is used for enabling water to flow down into the conical groove rapidly through gravity, and the first holes and the second holes are formed for enabling water to be discharged in time.
Preferably, temperature sensors are fixedly arranged in the fixed empty box and the injection empty box; the temperature sensor is used for detecting the water temperature during cooling, and is electrically connected with the control unit, and a preset value is arranged in the control unit; the temperature sensor detects the temperature and sends a signal to the control unit,
preferably, the rear end of the fixed die is provided with a groove with the same size as the die, the other side of the fixed die is provided with a convex block corresponding to the groove, the side of the injection die corresponding to the fixed die on the surface of the injection die is provided with a convex block corresponding to the groove, and the other side of the injection die is provided with a groove corresponding to the convex block; the hollow cylinder is arranged in the center of the injection molding empty box and penetrates through the rear end of the injection molding empty box; the free end of the hollow cylinder is fixedly arranged at the rear end of the injection mold; an injection molding machine is fixedly arranged in the hollow cylinder at the rear end of the injection mold; the injection molding empty box is characterized in that an empty box cylinder is arranged at the center position inside the injection molding empty box and used for fixedly mounting the injection molding machine.
Preferably, the fixed empty box and the injection empty box are fixedly provided with water pumps outside, and the water pumps are electrically connected with the control unit; the water pump is used for providing water pressure for the fixed empty box and the injection molding empty box, so that the water flow of the nozzle is accelerated.
Preferably, a sealing gasket is fixedly arranged between the fixed empty box and the fixed die, and a sealing gasket is fixedly arranged between the injection empty box and the injection die; the sealing gasket is made of rubber materials; the sealing gasket is used for preventing water leakage and the like during cooling.
Preferably, a plurality of long nuts are transversely and fixedly arranged at the tops of the fixed empty box and the injection empty box; the outer sides of the bottoms of the fixed empty box and the injection empty box are fixedly provided with a plurality of cylinders; and the outer surface of the cylinder is provided with threads; a plurality of long nuts are transversely and fixedly arranged at the tops of the fixed empty box and the injection-molded empty box and used for connecting a water inlet pipeline, the long nuts can be better and conveniently installed and detached, and a plurality of cylinders are arranged at the outer sides of the bottoms of the fixed empty box and the injection-molded empty box; and the outer surface of the cylinder is provided with threads; the nut is arranged on the outer surface of the cylinder and used for being connected with a water outlet pipeline, and meanwhile the installation and the disassembly are convenient.
Preferably, the outer surface of the hollow cylinder is fixedly provided with a heat-insulating waterproof rubber sleeve; the heat-insulating waterproof rubber sleeve fixedly installed on the outer surface of the hollow cylinder is used for preventing the injection mold and the nozzle in the injection molding empty box from cooling the hollow cylinder when the sprayed water flow is cooled, so that the injection molding machine in the hollow cylinder can be cooled.
The beneficial effects of the invention are as follows:
1. the first baffle is fixedly arranged below the inner top of the fixed empty box; a plurality of through-holes have been seted up on the baffle, terminal surface fixed mounting behind fixed empty bin front end face and the fixed mould, the inside top below fixed mounting of empty bin of moulding plastics has No. two baffles, a plurality of No. two through-holes have been seted up on No. two baffles, terminal surface fixed mounting behind the empty bin front end face of moulding plastics and the injection mould, fixed empty bin and the inside baffle of empty bin of moulding plastics and No. two baffles below fixed mounting have the nozzle respectively, different with traditional cooling method, through the mode of spraying, realized the cooling that the mould can be quick.
2. According to the invention, the movable plate is rotatably arranged at the inner top ends of the fixed die and the injection die, and the servo motor is fixedly arranged at one end of the movable plate, so that after cooling, the movable plate is rotated by the servo motor, the water flow direction sprayed by the nozzle is changed, and the temperature of the die is kept from being continuously reduced, so that the next injection is performed.
3. According to the invention, the temperature sensors are fixedly arranged in the fixed empty box and the injection empty box, so that the water temperature during cooling is detected in real time, and the water flow speed sprayed by the nozzle is controlled, thereby accelerating the cooling of the die.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of another view of the present invention.
Fig. 3 is a schematic diagram of a three-dimensional structure of a fixing mold and an injection mold according to the present invention.
Fig. 4 is a schematic perspective view of another view angle of the fixing mold and the injection mold according to the present invention.
Fig. 5 is a schematic perspective view of an injection molding empty box according to the present invention.
Fig. 6 is a schematic perspective view of a fixed empty box according to the present invention.
Fig. 7 is a schematic perspective view of a servo motor and a movable plate according to the present invention.
Fig. 8 is a schematic perspective view of an arc cone block and a bracket according to the present invention.
Fig. 9 is a schematic perspective view of a nozzle according to the present invention.
Fig. 10 is a schematic perspective view of another view of the nozzle of the present invention.
In the figure: fixed empty box 1, baffle 11, through hole 12, hole 13, injection empty box 2, hollow cylinder 21, baffle 22, through hole 23, hole 24, fixed mold 3, groove 31, injection mold 4, nozzle 5, elbow 51, connecting pipe 52, arc nozzle 53, power unit 6, servo motor 61, movable plate 62, auxiliary unit 7, arc cone 71, bracket 72, long nut 8, cylinder 9.
Detailed Description
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2, 3, 4, 5, 6, 9 and 10, an injection molding system for an automobile part includes a fixed empty box 1, an injection empty box 2, a fixed mold 3, an injection mold 4, a nozzle 5, a power unit 6, an auxiliary unit 7 and a control unit; a first baffle 11 is fixedly arranged below the inner top of the fixed empty box 1; a plurality of first through holes 12 are formed in the first baffle 11; the first baffle 11 is provided with a plurality of first through holes 12 for fixedly mounting a plurality of nozzles 5 according to requirements, and the front end surface of the fixed empty box 1 is fixedly mounted with the rear end surface of the fixed die 3 and fixedly mounted through bolts; a second baffle 22 is fixedly arranged below the inner top of the injection molding empty box 2; a plurality of second through holes 23 are formed in the second baffle 22; the second baffle 22 is provided with a plurality of second through holes 23 for fixedly mounting a plurality of nozzles 5 according to requirements, and the front end surface of the injection empty box 2 is fixedly mounted with the rear end surface of the injection mold 4 and fixedly mounted through bolts; the nozzles 5 are respectively and fixedly arranged below the first baffle 11 and the second baffle 22 in the fixed empty box 1 and the injection empty box 2; the nozzle 5 comprises an elbow 51, a connecting pipe 52 and an arc nozzle 53; one end of the arc-shaped nozzle 53 is fixedly arranged on one end of the connecting pipe 52; the other end of the connecting pipe 52 is fixedly arranged on the bent pipe 51 at one end; the other end of the bent pipe 51 is fixedly arranged with a first through hole 12 and a second through hole 23 below the first baffle 11 and the second baffle 22 respectively; the bent pipe 51 is bent to a certain angle for fixed installation, the bent angle of the bent pipe 51 is used for enabling the sprayed water flow to be accurately scattered on the top of the mold when the nozzle 5 sprays the water flow, and the auxiliary unit 7 is fixedly installed in the injection mold 4; the auxiliary unit 7 is used for accelerating the cooling of the die; the power unit 6 is fixedly arranged at the inner top ends of the fixed die 3 and the injection die 4; the power unit 6 is used for controlling the position of water flow spraying; the control unit is fixedly arranged outside the fixed empty box 1 and the injection empty box 2; the power unit 6 is electrically connected with the control unit, and the auxiliary unit 7 is used for changing the water flow below the injection mold 4, so that the water flow can be uniformly scattered below the mold, and each mechanism can be matched with each other more tightly through the control unit.
As shown in fig. 3, 4 and 7, the power unit 6 comprises a servo motor 61 and a movable plate 62, and the movable plate 62 is rotatably arranged at the inner top ends of the fixed die 3 and the injection die 4; a servo motor 61 is fixedly arranged at one end of the movable plate 62; the servo motor 61 is used for controlling the rotation of the movable plate 62, the movable plate 62 is used for blocking water flow from spraying on the mold, the servo motor 61 is fixedly installed on one side of the top ends of the fixed mold 3 and the injection mold 4 in a sealing way, water flow is gasified in a sealed cooling box, water pressure sprayed by the nozzle 5 is higher and is easy to spill on the servo motor 61, so the servo motor 61 is required to be fixedly installed in a sealing way, the servo motor 61 rotates to drive the movable plate 62 to rotate, the position of the nozzle 5 for spraying water flow is changed, the water flow is blocked from spraying on the mold, the mold is kept at a certain temperature, the temperature of the mold is always reduced because the water flow is always sprayed, when the temperature of the mold is too low, the injection liquid is still full of the whole cavity in the next injection molding, the injection molding quality is affected, and the material waste is caused.
As shown in fig. 3 and 8, the auxiliary unit 7 includes an arc-shaped cone block 71 and a bracket 72; the inner bottom of the injection mold 4 is fixedly provided with an arc-shaped cone block 71 through a bracket 72, the two brackets 72 are fixedly arranged on the inclined plane of the bottom of the injection mold 4, the two ends of the bottom of the arc-shaped cone block 71 are fixedly arranged on the brackets 72, the direction of water flow can be changed through the arc-shaped cone block 71, because an injection molding machine is required to be arranged at the middle position of the injection mold 4, the rear end face of the mold also protrudes a certain distance, the water flow can be separated when spraying, the water flow cannot flow down to the bottommost part of the mold, and when the water flow flows down, the water flow falls on the arc-shaped cone block 71 and can flow down to the lower part of the mold along the arc-shaped cone block 71, so that cooling is realized.
As shown in fig. 5 and 6, the bottoms of the fixed empty box 1 and the injection empty box 2 are in conical structures, and a plurality of first holes 13 and second holes 24 are formed in the bottoms of the conical structures; the conical structure is used for enabling water to flow down into the conical groove rapidly through gravity, and the first holes 13 and the second holes 24 are arranged for enabling water to be discharged in time and not accumulated in the conical groove; the number and the size of the first holes 13 and the second holes 24 can be set according to the requirements and the actual production process.
Temperature sensors are fixedly arranged in the fixed empty box 1 and the injection empty box 2; the temperature sensor is used for detecting the water temperature during cooling, and is electrically connected with the control unit, and a preset value is arranged in the control unit; the temperature sensor detects the temperature and sends a signal to the control unit, when the temperature is reduced to be lower than a preset value, the control unit controls the servo motor 61 to rotate to drive the movable plate 62 to rotate, so that the position of the spray water flow of the nozzle 5 is changed, and the mold keeps a certain temperature.
As shown in fig. 1, 3, 4 and 5, the rear end of the fixed mold 3 is provided with a groove 31 with the same size as the mold, the other side of the fixed mold 3 is provided with a bump 32 corresponding to the groove, the side of the injection mold corresponding to the surface of the fixed mold is provided with a bump 32 corresponding to the groove 31, and the other side is provided with a groove 31 corresponding to the bump 32; a hollow cylinder 21 is arranged in the center of the interior of the injection molding empty box 2 and penetrates through the rear end of the injection molding empty box 2; the free end of the hollow cylinder 21 is fixedly arranged with the rear end of the injection mold 4; an injection molding machine is fixedly arranged in the hollow cylinder 21 at the rear end of the injection mold 4; the hollow box cylinder 21 is arranged in the center of the injection molding hollow box 2 and is used for installing an injection molding machine, the injection molding machine is separated from a cooling box, and meanwhile, the fixation between the injection molding hollow box 2 and the injection mold 4 is enhanced.
The outside of the fixed empty box 1 and the injection molding empty box 2 is fixedly provided with a water pump, and the water pump is electrically connected with the control unit; the water pump is used for providing water pressure for the fixed empty box 1 and the injection molding empty box 2, so that water flow of the nozzle 5 is accelerated, rapid cooling can be realized, and cooling time of the die can be indirectly controlled through water pressure change in the water pump control pipeline.
A sealing gasket is fixedly arranged between the fixed empty box 1 and the fixed die 3, and a sealing gasket is fixedly arranged between the injection empty box 2 and the injection die 4; the sealing gasket is made of rubber materials; the sealing gasket is used for preventing water leakage and the like during cooling, and the sealing gasket made of the rubber material has good heat resistance, wear resistance and the like.
As shown in fig. 1, a plurality of long nuts 8 are transversely and fixedly arranged at the tops of the fixed empty box 1 and the injection empty box 2; a plurality of cylinders 9 are arranged on the outer sides of the bottoms of the fixed empty box 1 and the injection empty box 2; and the outer surface of the cylinder 9 is provided with threads; a plurality of long nuts 8 are transversely and fixedly arranged at the tops of the fixed empty box 1 and the injection molding empty box 2 and used for connecting a water inlet pipeline, the number of the long nuts 8 can be increased or decreased according to requirements and in actual production, the long nuts 8 can be better and convenient to install and disassemble, and a plurality of cylinders 9 are fixedly arranged at the outer sides of the bottoms of the fixed empty box 1 and the injection molding empty box 2; and the outer surface of the cylinder 9 is provided with threads; the cylinder 9 surface sets up the nut and is used for connecting the outlet channel, and the cylinder 9 how much can increase or reduce in the actual production according to demand, and cylinder 9 surface is provided with the screw thread and conveniently connects the outlet channel, also easy to assemble and dismantlement simultaneously.
As shown in fig. 5, the outer surface of the hollow cylinder 21 is fixedly provided with a heat-insulating waterproof rubber sleeve; the thermal-insulated waterproof rubber sleeve of hollow cylinder 21 surface fixed mounting is used for preventing injection mold 4 and the nozzle 5 in the empty case 2 of moulding plastics in the blowout rivers cooling time, cools down hollow cylinder 21 to can lead to the injection molding machine in hollow cylinder 21 also to follow the cooling, make the liquid mobility that moulds plastics in the injection molding machine become, influence the quality of moulding plastics, can cause the liquid solidification of moulding plastics in the injection molding machine simultaneously, cause the jam.
When in operation, the device comprises: the injection molding machine and the injection molding die 4 are fixedly arranged, the injection molding machine drives the injection molding die 4 to move, the injection molding die 4 and the fixed die 3 are matched with holes at four corners of the fixed die 3 through shafts at four corners of the injection molding die 4, the injection molding die 4 and the fixed die 3 are sealed and fixed, the injection molding machine starts to work, injection molding materials are injected into the die, when injection molding is finished, the injection molding die 4 and the injection molding empty box 2 at the rear end of the fixed die 3 and the nozzle 5 in the fixed empty box 1 start to spray water, water flows down along the dies at the tops of the rear ends of the injection molding die 4 and the fixed die 3, at the moment, a temperature sensor detects the water temperature flowing at the bottoms of the fixed empty box 1 and the injection molding empty box 2 in real time, and sends a signal to a control unit, if the temperature drop is not obvious in a short time, the control unit controls the water pump to increase the power, the water pressure in the pipeline is increased, and the water flow is accelerated, thereby accelerating the cooling speed of the mold, enabling the mold to be rapidly cooled, when the temperature sensor detects that the temperature reaches a preset value, the servo motor 61 rotates to drive the movable plate 62 to rotate, water sprayed by the nozzle 5 is sprayed on the movable plate 62, the temperature of the mold is kept not to be continuously reduced, meanwhile, the injection molding machine moves to drive the injection molding mold 4 to be separated from the fixed mold 3, the injection molding mold is ejected out of the fixed mold 3 through the ejection device, then the injection molding machine drives the injection molding mold 4 and the fixed mold 3 to be mutually sealed and fixed, the injection molding machine starts injection molding, after injection molding is completed, the servo motor 61 rotates to drive the movable plate 62 to rotate, so that water sprayed by the nozzle 5 is sprayed on the top of the rear end of the mold, the water temperature of the bottom of the fixed empty box 1 and the injection molding empty box 2 is detected by the temperature sensor in real time, and a signal is sent to the control unit, if the temperature drop is not obvious in a short time, the control unit controls the water pump to increase the power, so that the water pressure in the pipeline is increased, the water flow is accelerated, the cooling speed of the mold is accelerated, the mold is cooled rapidly, when the temperature sensor detects that the temperature reaches a preset value, the servo motor 61 rotates to drive the movable plate 62 to rotate, the water flow sprayed by the nozzle 5 is sprayed on the movable plate 62, the temperature of the mold is kept from continuously decreasing, the injection molding machine moves to drive the injection molding mold 4 to be separated from the fixed mold 3, and the injection molded mold is ejected out of the fixed mold 3 through the ejection device.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An injection molding system for automobile parts comprises a fixed empty box (1), an injection molding empty box (2), a fixed mold (3), an injection mold (4), a nozzle (5), a power unit (6), an auxiliary unit (7) and a control unit; the method is characterized in that: a first baffle (11) is fixedly arranged below the inner top of the fixed empty box (1); a plurality of first through holes (12) are formed in the first baffle (11); the front end face of the fixed empty box (1) is fixedly arranged with the rear end face of the fixed die (3); a second baffle (22) is fixedly arranged below the inner top of the injection molding empty box (2); a plurality of second through holes (23) are formed in the second baffle (22); the front end face of the injection molding empty box (2) is fixedly arranged with the rear end face of the injection mold (4); nozzles (5) are respectively and fixedly arranged below a first baffle (11) and a second baffle (22) in the fixed empty box (1) and the injection empty box (2); the nozzle (5) comprises an elbow (51), a connecting pipe (52) and an arc-shaped nozzle (53); one end of the arc-shaped nozzle (53) is fixedly arranged at one end of the connecting pipe (52); the other end of the connecting pipe (52) is fixedly arranged on the bent pipe (51) at one end; the other end of the bent pipe (51) is fixedly arranged with a first through hole (12) and a second through hole (23) below the first baffle (11) and the second baffle (22) respectively; an auxiliary unit (7) is fixedly arranged in the injection mold (4); the auxiliary unit (7) is used for accelerating the cooling of the mould; the power unit (6) is fixedly arranged at the inner top ends of the fixed die (3) and the injection die (4) respectively; the power unit (6) is used for controlling the position of water flow spraying; the control unit is fixedly arranged outside the fixed empty box (1) and the injection empty box (2); the power unit (6) is electrically connected with the control unit;
the power unit (6) comprises a servo motor (61) and a movable plate (62), and the movable plate (62) is rotatably arranged at the inner top ends of the fixed die (3) and the injection die (4); the servo motor (61) is fixedly arranged at one side of the top ends of the fixed die (3) and the injection die (4) in a sealing way; the servo motor (61) is used for controlling the rotation of the movable plate (62);
the auxiliary unit (7) comprises an arc-shaped cone block (71) and a bracket (72); an arc-shaped cone block (71) is fixedly arranged at the inner bottom of the injection mold (4) through a bracket (72);
the bottoms of the fixed empty box (1) and the injection molding empty box (2) are of conical structures, and a plurality of first holes (13) and second holes (24) are respectively formed in the bottoms of the conical structures;
temperature sensors are fixedly arranged in the fixed empty box (1) and the injection molding empty box (2), and are electrically connected with the control unit;
the rear end of the fixed die (3) is provided with a groove (31) with the same size as the die, the other side of the fixed die (3) is provided with a lug (32) corresponding to the groove, the side of the injection die surface corresponding to the fixed die is provided with a lug (32) corresponding to the groove (31), and the other side of the injection die surface is provided with a groove (31) corresponding to the lug (32); a hollow cylinder (21) is arranged in the central position inside the injection molding empty box (2) and penetrates through the rear end of the injection molding empty box (2); the free end of the hollow cylinder (21) is fixedly arranged at the rear end of the injection mold (4); an injection molding machine is fixedly arranged in the hollow cylinder (21) at the rear end of the injection mold (4).
2. An auto-parts injection molding system according to claim 1, wherein: the fixed empty box (1) and the injection molding empty box (2) are externally and fixedly provided with a water pump, and the water pump is electrically connected with the control unit.
3. An auto-parts injection molding system according to claim 2, wherein: a sealing gasket is fixedly arranged between the fixed empty box (1) and the fixed die (3), and a sealing gasket is fixedly arranged between the injection empty box (2) and the injection die (4).
4. An auto-parts injection molding system according to claim 3, wherein: a plurality of long nuts (8) are transversely and fixedly arranged at the tops of the fixed empty box (1) and the injection molding empty box (2); a plurality of cylinders (9) are fixedly arranged at the outer sides of the bottoms of the fixed empty box (1) and the injection empty box (2); and the outer surface of the cylinder (9) is provided with threads.
5. An auto-parts injection molding system according to claim 4, wherein: the outer surface of the hollow cylinder (21) is fixedly provided with a heat-insulating waterproof rubber sleeve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205959.XA CN115570759B (en) | 2022-09-30 | 2022-09-30 | Auto-parts injection molding system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205959.XA CN115570759B (en) | 2022-09-30 | 2022-09-30 | Auto-parts injection molding system |
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| CN115570759A CN115570759A (en) | 2023-01-06 |
| CN115570759B true CN115570759B (en) | 2023-05-16 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10264213A (en) * | 1997-03-24 | 1998-10-06 | Olympus Optical Co Ltd | Injection mold and injection molding method |
| AT7669U1 (en) * | 2004-05-12 | 2005-07-25 | Rico Elastomere Projecting Gmb | INJECTION MOLD |
| DE202013007748U1 (en) * | 2012-03-30 | 2013-09-27 | Sumitomo (Shi) Demag Plastics Machinery Gmbh | Injection molding machine for producing multilayer plastic molded parts from a uniform thermoplastic material |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076975B (en) * | 2019-04-19 | 2021-03-16 | 柳州松亚汽车电子有限公司 | Automobile injection mold with external cooling system |
| CN111152417B (en) * | 2020-03-02 | 2021-07-02 | 滁州职业技术学院 | Injection mold for cylinder head cover of automobile engine |
| CN214872282U (en) * | 2020-12-10 | 2021-11-26 | 射阳金昌鑫精密模具科技有限公司 | Water cooling mechanism is transported along with shape to injection mold |
| CN112848175A (en) * | 2020-12-28 | 2021-05-28 | 韩艳斌 | Injection mold capable of being cooled uniformly and plastic product rapid production system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10264213A (en) * | 1997-03-24 | 1998-10-06 | Olympus Optical Co Ltd | Injection mold and injection molding method |
| AT7669U1 (en) * | 2004-05-12 | 2005-07-25 | Rico Elastomere Projecting Gmb | INJECTION MOLD |
| DE202013007748U1 (en) * | 2012-03-30 | 2013-09-27 | Sumitomo (Shi) Demag Plastics Machinery Gmbh | Injection molding machine for producing multilayer plastic molded parts from a uniform thermoplastic material |
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| CN115570759A (en) | 2023-01-06 |
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