CN113492491A - Dial plate double-color injection molding process for automobile air conditioner grille - Google Patents
Dial plate double-color injection molding process for automobile air conditioner grille Download PDFInfo
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- CN113492491A CN113492491A CN202110629653.6A CN202110629653A CN113492491A CN 113492491 A CN113492491 A CN 113492491A CN 202110629653 A CN202110629653 A CN 202110629653A CN 113492491 A CN113492491 A CN 113492491A
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- injection molding
- feeding
- plectrum
- double
- drying
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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
- B29C45/16—Making multilayered or multicoloured articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/04—Conditioning or physical treatment of the material to be shaped by cooling
- B29B13/045—Conditioning or physical treatment of the material to be shaped by cooling of powders or pellets
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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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
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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
- B29C45/1756—Handling of moulds or mould parts, e.g. mould exchanging means
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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
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/43—Removing or ejecting moulded articles using fluid under pressure
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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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
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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
- B29C45/74—Heating or cooling of the injection unit
Abstract
The invention discloses a plectrum double-color injection molding process for an automobile air conditioner grid, which relates to the field of plastic product production, wherein a feeding hopper is rotated by the operation of a feeding motor in the plectrum double-color injection molding process so as to realize uniform feeding; through setting up forming mechanism, the melting plastics of extruding are shaping in the shaping groove, rotate the position with two shaping dishes through the carousel and exchange, the plastic layer of another kind of colour is formed again on the surface of the monochromatic plectrum that will mould plastics and form, the formation has double-colored plectrum, and the in-process of monochromatic plectrum formation double-colored plectrum, form the monochromatic plectrum in another shaping groove, the continuous process of moulding plastics of double-colored plectrum has been realized, the effectual efficiency of moulding plastics that has improved, and carry out the unloading through the unloading air pump, realize the process of automatic unloading.
Description
Technical Field
The invention relates to the field of plastic product production, in particular to a double-color injection molding process of a plectrum for an automobile air conditioner grille.
Background
The injection molding process is a process of manufacturing thermoplastic plastics or thermosetting plastics into plastic products with various shapes by utilizing a plastic molding die, wherein double-color injection molding is to respectively mix and prepare two different colors by the same raw material, after the first injection is completed by a plasticizing injection device and the die, the molding die can rotate and change the position, then molten materials with different colors are injected into the die for the second time, and the molten materials with different colors are injected into the same molding die for two times to act, so that the double-color injection molding product is obtained;
before the injection molding production of the existing double-color injection molding machine, in order to avoid the influence of moisture in the injection molding raw materials on the subsequent injection molding process, a drying device is added before the process of melting the injection molding materials to dry the injection molding materials, so that the equipment cost is high; in addition, the existing double-color injection molding machine needs to manually rotate an injection mold to realize the conversion of the mold position, so that on one hand, the labor intensity of workers is high, and on the other hand, due to manual operation, the precision is not high, the accurate positioning of the mold cannot be realized, the working efficiency is seriously influenced, and the quality of an injection molding product is influenced;
in view of the above technical drawbacks, a solution is proposed.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a double-shot molding process of a plectrum for an automobile air-conditioning grille, which comprises the following steps: (1) the feeding motors are operated to realize rotation of the feeding hoppers, so that uniform feeding is realized, moisture in plastic particles is dried through heat released by the heating pipes in the feeding process, the influence of moisture in the subsequent plastic particles on the subsequent injection molding process is avoided, and the plastic particles are continuously kept in a stirring state while being fed and dried, so that the problems that drying equipment is required to be used for drying injection molding raw materials before injection molding production and the equipment cost is high in the conventional double-color injection molding machine are solved; (2) through setting up forming mechanism, the melting plastics of extruding are shaping in the shaping groove, later rotate through the carousel and exchange the position of two shaping dishes, the plastic layer of another kind of colour is formed again on the surface of the monochromatic plectrum that will mould plastics and form, it has double-colored plectrum to form, and the in-process of monochromatic plectrum formation double-colored plectrum, form the monochromatic plectrum in another shaping groove, the continuous process of moulding plastics of double-colored plectrum has been realized, then carry out the unloading through the unloading air pump, realize automatic unloading, current double-colored injection molding machine has been solved, need manual rotatory injection mold, the precision is not high, can not realize the accurate positioning of mould, seriously influence work efficiency, influence the problem of injection molding product's quality.
The purpose of the invention can be realized by the following technical scheme:
a poking sheet double-color injection molding process for an automobile air conditioner grid comprises the following steps:
the method comprises the following steps: adding plastic particles of two colors into two charging hoppers, starting a heating pipe in the drying charging hopper to heat an inner cavity of the drying charging hopper, enabling the plastic particles to enter the inner cavity of the drying charging hopper through a feeding pipe, starting a charging motor, driving a transmission chain to rotate by the operation of the charging motor through a linkage shaft and a transmission chain wheel so as to drive a plurality of charging hoppers to rotate circularly, turning and containing the plastic particles in the movement process of the charging hoppers, drying the plastic particles in the rising process, discharging water vapor from a water vapor pipe, turning over the charging hoppers after passing through the highest point, and conveying the dried plastic particles to a storage tank through the feeding pipe for storage;
step two: starting a driving motor, wherein the driving motor operates to drive a thread conveying rod to rotate, and the thread conveying rod and a heating wire in an injection molding cylinder are started, so that plastic particles are gradually melted in the process that the thread conveying rod drives the plastic particles to move forwards;
step three: starting a stretching cylinder, enabling a movable rod of the stretching cylinder to contract to pull a mounting vertical plate to move on a sliding rail, enabling the mounting vertical plate to gradually approach an injection molding die head, extruding molten plastic from the injection molding die head to an inner cavity of a forming groove when one forming mechanism contacts the injection molding die head, and cooling and shaping to form a single-color shifting sheet;
step four: starting a steering motor, operating the steering motor to drive the turntable to rotate, so that the forming groove is contacted with another injection molding die head, extruding molten plastic of another color onto the single-color shifting piece, and cooling and shaping to form a double-color shifting piece;
step five: the unloading air pump is started, the unloading air pump transports the inner cavity of the forming disc to be inflated, the air flow is discharged from the air outlet hole, and the air flow drives the sealing cover to overturn, so that the double-color shifting piece is lifted and fallen to the finished product box through the sealing cover to be collected, and the double-color injection molding process of the shifting piece is completed.
As a further scheme of the invention: the double-color injection molding equipment comprises a bearing base, an installation box, a charging hopper, a drying and feeding mechanism, a storage tank, a driving motor, an injection molding cylinder, an injection molding die head, a stretching cylinder, an installation vertical plate, a slide rail, a finished product box, a steering motor, a turntable and a molding mechanism, the top of the bearing base is provided with an installation box, two injection molding cylinders are arranged on the installation box in a penetrating way, one end of each injection molding cylinder is provided with a driving motor, the output shaft of the driving motor is connected with a thread conveying rod which is positioned in the inner cavity of the injection molding cylinders, the other ends of the two injection molding cylinders are respectively provided with an injection molding die head, the top of the installation box is provided with two loading hoppers, one sides of the bottoms of the two loading hoppers are connected to the bottom of one side of the drying and feeding mechanism, and the top of the other side of the drying and feeding mechanism is connected to the top of one side of the two storage tanks;
the utility model discloses a vertical mould injection moulding machine, including bearing base, tensile cylinder, installation riser, the equal embedding of bottom one end both sides of bearing base is installed tensile cylinder, two tensile cylinder's movable rod is connected to the both sides of a side of installation riser respectively, installation riser slidable mounting is at the top of slide rail, the one end of slide rail is connected to bearing base's one end, install top one side of installation riser and turn to the motor, the carousel is installed to the opposite side of installation riser, two forming mechanism are installed to the symmetry on the carousel, forming mechanism and injection mould head are the cooperation component.
As a further scheme of the invention: two it connects through a plurality of spliced pole between the section of thick bamboo of moulding plastics, the heater strip is all installed, two to the inside of screw thread conveying pole and the section of thick bamboo of moulding plastics the storage tank all runs through the top one end of installing at the install bin, two the bottom of storage tank communicates respectively to two inner chambers of moulding plastics a section of thick bamboo, the top at the finished product case is established to the installation riser frame, the universal wheel is all installed to the bottom corner of finished product case.
As a further scheme of the invention: the drying feeding mechanism comprises a drying feeding tank, a feeding pipe, a water vapor pipe, a feeding motor, a linkage shaft, a transmission chain wheel and a feeding hopper, wherein the two drying feeding tanks are mutually connected, the bottom of one side of the drying charging bucket is provided with a feeding pipe, the two feeding pipes are respectively communicated with the two feeding hoppers, the top of the other side of the drying feeding tank is provided with feeding pipes, the two feeding pipes are respectively communicated with the inner cavities of the two material storage tanks, the top of the drying charging bucket is provided with a water vapor pipe, the inner wall of the drying charging bucket is provided with a heating pipe, a feeding motor is arranged at the top of one side of one of the drying feeding tanks, linkage shafts are arranged at the top and the bottom of the two drying feeding tanks in a penetrating way, the linkage shafts are rotatably connected with the inner wall of the drying feeding tank, and one end of one of the linkage shafts is connected to an output shaft of the feeding motor.
As a further scheme of the invention: the inner chamber top of stoving material loading jar, bottom all are provided with drive sprocket, two drive sprocket cup joints respectively on two universal driving shafts, two connect through drive chain between the drive sprocket, drive chain outside equidistance rotates installs a plurality of material loading fill.
As a further scheme of the invention: the forming mechanism comprises a forming disc, a discharging air pump, a forming groove, air outlets, a mounting column and a sealing cover, the discharging air pump is mounted on the outer peripheral surface of the forming disc, the forming groove is formed in the middle of the forming disc, the air outlets are formed in the middle of the forming groove, and the air outlets extend to the inside of the forming disc and are communicated to an output port of the discharging air pump.
As a further scheme of the invention: the mounting column is installed at the middle position of the air outlet hole, sealing covers are installed on two sides of the mounting column in a rotating mode, the sealing covers are semicircular, and the sealing covers are installed on the air outlet hole in an embedded mode.
The invention has the beneficial effects that:
the invention relates to a plectrum double-color injection molding process for an automobile air-conditioning grid, which comprises the steps of adding plastic particles with two colors into two charging hoppers, starting a heating pipe in a drying charging tank to heat the inner cavity of the drying charging tank, feeding the plastic particles into the inner cavity of the drying charging tank through a feeding pipe, starting a charging motor, driving a transmission chain to rotate by the operation of the charging motor through a linkage shaft and a transmission chain wheel so as to drive a plurality of charging hoppers to rotate circularly, turning and holding the plastic particles in the process of the movement of the charging hoppers, drying the plastic particles in the process of rising, discharging water vapor from a water vapor pipe, turning over the charging hoppers after passing through a highest point, conveying the dried plastic particles into a storage tank through the charging pipe to be stored, starting a driving motor, driving the driving motor to operate to drive a thread conveying rod to rotate, and starting the thread conveying rod and a heating wire in an injection molding cylinder, the method comprises the steps that plastic particles are gradually melted in the process of moving forwards under the driving of a thread conveying rod, a stretching cylinder is started, a movable rod of the stretching cylinder shrinks and pulls a mounting vertical plate to move on a sliding rail, the mounting vertical plate is gradually close to an injection molding head, when one molding mechanism contacts the injection molding head, molten plastic is extruded from the injection molding head into an inner cavity of a molding groove, a single-color shifting sheet is formed through cooling and shaping, a steering motor is started, the steering motor operates to drive a rotating disc to rotate, so that the molding groove contacts another injection molding head, molten plastic of another color is extruded onto the single-color shifting sheet, a double-color shifting sheet is formed through cooling and shaping, a blanking air pump is started, the blanking air pump operates to inflate an inner cavity of a molding disc, air flow is discharged from an air outlet hole, the air flow drives a sealing cover to turn over, and the double-color shifting sheet is lifted and lifted to a finished product box through the sealing cover to be collected;
according to the plectrum double-color injection molding process, the rotation of the plurality of feeding hoppers is realized through the operation of the feeding motor, so that uniform feeding is realized, in the feeding process, moisture in the plastic particles is dried through heat released by the heating pipe, the influence of the moisture in the subsequent plastic particles on the subsequent injection molding process is avoided, the plastic particles are continuously kept in a stirring state while being fed and dried, the drying is uniform, and the drying effect is good; through setting up forming mechanism among this plectrum double-colored injection molding process, the melting plastics of extruding are shaping in the shaping groove, later rotate the position with two shaping dishes through the carousel and exchange, the plastic layer of another kind of colour is formed again on the surface of the monochromatic plectrum that will mould plastics and form, form and have double-colored plectrum, and the in-process of monochromatic plectrum formation double-colored plectrum, form monochromatic plectrum in another shaping groove, the continuous injection molding process of double-colored plectrum has been realized, the effectual efficiency of moulding plastics that has improved, and carry out the unloading through the unloading air pump, sealed lid imbeds on the venthole when not receiving gas shock, with venthole inner wall parallel and level, can not lead to the fact the influence to the outward appearance of double-colored plectrum, sealed lid when not receiving gas shock, sealed lid rotates round the erection column, thereby with the ejecting shaping groove of double-colored plectrum, realize the process of automatic unloading.
Drawings
The invention will be further described with reference to the accompanying drawings;
FIG. 1 is a schematic view of a two-color injection molding apparatus according to the present invention;
FIG. 2 is a schematic structural diagram of a drying and feeding mechanism according to the present invention;
FIG. 3 is a schematic view of the internal structure of the drying and charging bucket in the present invention;
FIG. 4 is a schematic view of the structure of the molding mechanism of the present invention;
FIG. 5 is a view of the connection of the vent hole, mounting post, and seal cap of the present invention;
FIG. 6 is a view showing the connection of the storage tank, the driving motor, the injection cylinder and the connecting column according to the present invention;
FIG. 7 is a view of the connection of the drive motor and the threaded conveyor bar of the present invention;
in the figure: 101. a load-bearing base; 102. installing a box; 103. a hopper; 104. a drying and feeding mechanism; 105. a material storage tank; 106. a drive motor; 107. an injection molding barrel; 108. an injection molding die head; 109. stretching the cylinder; 110. installing a vertical plate; 111. a slide rail; 112. a finished product box; 113. a steering motor; 114. a turntable; 115. a molding mechanism; 116. connecting columns; 117. a threaded conveyor bar; 401. drying the feeding tank; 402. a feed pipe; 403. feeding pipes; 404. a water vapor pipe; 405. a feeding motor; 406. a linkage shaft; 407. a drive sprocket; 408. feeding a hopper; 501. forming a disc; 502. a blanking air pump; 503. forming a groove; 504. an air outlet; 505. mounting a column; 506. and (7) sealing the cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-7, the present embodiment is a two-color injection molding process of a pull tab for an air conditioning grille of an automobile, which includes the following steps:
the method comprises the following steps: adding plastic particles of two colors into two feeding hoppers 103, starting a heating pipe in a drying feeding tank 401 to heat an inner cavity of the drying feeding tank 401, enabling the plastic particles to enter the inner cavity of the drying feeding tank 401 through a feeding pipe 402, starting a feeding motor 405, enabling the feeding motor 405 to run to drive a transmission chain to rotate through a linkage shaft 406 and a transmission chain wheel 407, so as to drive a plurality of feeding hoppers 408 to rotate circularly, turning and containing the plastic particles in the movement process of the feeding hoppers 408, drying the plastic particles in the ascending process, discharging water vapor from a water vapor pipe 404, turning over the feeding hoppers 408 after passing through the highest point, and conveying the dried plastic particles to a storage tank 105 through a feeding pipe 403 for storage;
step two: starting the driving motor 106, wherein the driving motor 106 operates to drive the thread conveying rod 117 to rotate, and the thread conveying rod 117 and the heating wires in the injection molding cylinder 107 are started, so that the plastic particles are gradually melted in the process that the thread conveying rod 117 drives the plastic particles to move forwards;
step three: starting the stretching cylinder 109, enabling a movable rod of the stretching cylinder 109 to contract to pull the mounting vertical plate 110 to move on the sliding rail 111, enabling the mounting vertical plate 110 to gradually approach the injection molding die head 108, and when one of the molding mechanisms 115 contacts the injection molding die head 108, extruding molten plastic from the injection molding die head 108 into an inner cavity of the molding groove 503, and cooling and shaping to form a monochromatic plectrum;
step four: starting the steering motor 113, wherein the steering motor 113 operates to drive the turntable 114 to rotate, so that the forming groove 503 is contacted with another injection molding die head 108, and molten plastic of another color is extruded onto the single-color plectrum, and is cooled and shaped to form a double-color plectrum;
step five: the blanking air pump 502 is started, the blanking air pump 502 operates to inflate the inner cavity of the forming disc 501, the air flow is discharged from the air outlet 504, and the air flow drives the sealing cover 506 to overturn, so that the double-color plectrum is lifted and fallen to the finished product box 112 through the sealing cover 506 to be collected, and the double-color plectrum injection molding process is completed.
Example 2:
referring to fig. 1-7, the two-color injection molding apparatus in this embodiment includes a load-bearing base 101, an installation box 102, a hopper 103, a drying and feeding mechanism 104, a storage tank 105, a driving motor 106, injection molding cylinders 107, an injection molding die head 108, a stretching cylinder 109, an installation vertical plate 110, a slide rail 111, a finished product box 112, a steering motor 113, a turntable 114, and a forming mechanism 115, the installation box 102 is installed on the top of the load-bearing base 101, two injection molding cylinders 107 are installed on the installation box 102 in a penetrating manner, the two injection molding cylinders 107 are connected by a plurality of connecting posts 116, the driving motor 106 is installed at one end of each of the two injection molding cylinders 107, an output shaft of the driving motor 106 is connected with a threaded conveying rod 117, the threaded conveying rod 117 is located in an inner cavity of the injection molding cylinder 107, heating wires are installed inside each of the threaded conveying rod 117 and the injection molding cylinder 107, the injection molding die head 108 is installed at the other end of each of the two injection molding cylinders 107, two loading hoppers 103 are mounted at the top of the mounting box 102, one sides of the bottoms of the two loading hoppers 103 are connected to the bottom of one side of the drying and feeding mechanism 104, the top of the other side of the drying and feeding mechanism 104 is connected to the top of one side of the two storage tanks 105, the two storage tanks 105 are mounted at one end of the top of the mounting box 102 in a penetrating manner, and the bottom ends of the two storage tanks 105 are respectively communicated to the inner cavities of the two injection molding barrels 107;
stretching cylinders 109 are embedded into two sides of one end of the bottom of the bearing base 101, movable rods of the two stretching cylinders 109 are respectively connected to two sides of one side face of a mounting vertical plate 110, the mounting vertical plate 110 is slidably mounted on the top of a sliding rail 111, one end of the sliding rail 111 is connected to one end of the bearing base 101, the mounting vertical plate 110 is erected on the top of a finished product box 112, universal wheels are mounted at corners of the bottom of the finished product box 112, a steering motor 113 is mounted on one side of the top of the mounting vertical plate 110, a rotary table 114 is mounted on the other side of the mounting vertical plate 110, two forming mechanisms 115 are symmetrically mounted on the rotary table 114, and the forming mechanisms 115 and the injection mold head 108 are matched components;
the drying feeding mechanism 104 comprises a drying feeding tank 401, feeding pipes 402, feeding pipes 403, a steam pipe 404, a feeding motor 405, a linkage shaft 406, a transmission chain wheel 407 and feeding hoppers 408, the two drying feeding tanks 401 are connected with each other, the feeding pipes 402 are mounted at the bottom of one side of each drying feeding tank 401, the two feeding pipes 402 are respectively communicated with the two feeding hoppers 103, the feeding pipes 403 are mounted at the top of the other side of each drying feeding tank 401, the two feeding pipes 403 are respectively communicated with the inner cavities of the two storage tanks 105, the steam pipe 404 is mounted at the top of each drying feeding tank 401, heating pipes are mounted in the inner walls of the drying feeding tanks 401, a feeding motor 405 is installed at the top of one side of one of the drying feeding tanks 401, linkage shafts 406 are installed at the top and the bottom of each of the two drying feeding tanks 401 in a penetrating manner, the linkage shafts 406 are rotatably connected with the inner walls of the drying feeding tanks 401, and one end of one linkage shaft 406 is connected to an output shaft of the feeding motor 405;
the top and the bottom of the inner cavity of the drying charging bucket 401 are both provided with transmission chain wheels 407, the two transmission chain wheels 407 are respectively sleeved on two linkage shafts 406, the two transmission chain wheels 407 are connected through a transmission chain, and a plurality of charging buckets 408 are rotatably arranged on the outer sides of the transmission chains at equal intervals; the feeding motors 405 operate to realize rotation of the feeding hoppers 408, so that uniform feeding is realized, moisture in the plastic particles is dried through heat released by the heating pipes in the feeding process, the subsequent injection molding process is prevented from being influenced by moisture in the subsequent plastic particles, the plastic particles are continuously kept in a stirring state by feeding and drying at the same time, the drying is uniform, and the drying effect is good;
the forming mechanism 115 comprises a forming disc 501, a blanking air pump 502, a forming groove 503, an air outlet 504, a mounting column 505 and a sealing cover 506, the blanking air pump 502 is mounted on the outer peripheral surface of the forming disc 501, the forming groove 503 is formed in the middle of the forming disc 501, the air outlet 504 is formed in the middle of the forming groove 503, and the air outlet 504 extends into the forming disc 501 and is communicated to an output port of the blanking air pump 502;
an installation column 505 is arranged in the middle of the air outlet 504, sealing covers 506 are rotatably arranged on two sides of the installation column 505, each sealing cover 506 is semicircular, and each sealing cover 506 is embedded in the air outlet 504; by arranging the forming mechanism 115, extruded molten plastic is formed in the forming groove 503, then the positions of the two forming discs 501 are exchanged by rotating the turntable, a plastic layer of another color is formed on the surface of a single-color shifting sheet formed by injection molding, a shifting sheet with double colors is formed, the single-color shifting sheet forms the process of the double-color shifting sheet, the single-color shifting sheet is formed in the other forming groove 503, the continuous injection molding process of the double-color shifting sheet is realized, the injection molding efficiency is effectively improved, blanking is performed through the blanking air pump 502, the sealing cover 506 is embedded in the air outlet 504 when not subjected to air impact, is flush with the inner wall of the air outlet 504, the appearance of the double-color shifting sheet is not influenced, the sealing cover 506 rotates around the mounting column 505 when not subjected to air impact, so that the double-color shifting sheet is ejected out of the forming groove 503, and the automatic blanking process is realized.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (7)
1. The double-color injection molding process of the plectrum for the grille of the automobile air conditioner is characterized by comprising the following steps of:
the method comprises the following steps: adding plastic particles of two colors into two feeding hoppers (103) of a double-color injection molding device, starting a heating pipe in a drying feeding tank (401) to heat the inner cavity of the drying feeding tank (401), enabling the plastic particles to enter the inner cavity of the drying feeding tank (401) through a feeding pipe (402), starting a feeding motor (405), enabling the feeding motor (405) to operate to drive a transmission chain to rotate through a linkage shaft (406) and a transmission chain wheel (407), so as to drive a plurality of feeding hoppers (408) to rotate circularly, turning and containing the plastic particles in the movement process of the feeding hoppers (408), drying the plastic particles in the ascending process, wherein water vapor is discharged from the highest point of a water vapor pipe (404), turning over the feeding hoppers (408) after passing through the feeding pipes (403), and conveying the dried plastic particles to a storage tank (105) through the feeding pipes (403) for storage;
step two: starting a driving motor (106), wherein the driving motor (106) operates to drive a thread conveying rod (117) to rotate, and starting the thread conveying rod (117) and heating wires in an injection molding barrel (107) to gradually melt plastic particles driven by the thread conveying rod (117) in the forward movement process;
step three: starting a stretching cylinder (109), enabling a movable rod of the stretching cylinder (109) to contract to pull a mounting vertical plate (110) to move on a sliding rail (111), enabling the mounting vertical plate (110) to gradually approach an injection molding die head (108), when one of the forming mechanisms (115) contacts the injection molding die head (108), extruding molten plastic from the injection molding die head (108) into an inner cavity of a forming groove (503), and cooling and forming to form a single-color plectrum;
step four: starting a steering motor (113), wherein the steering motor (113) is operated to drive a turntable (114) to rotate, so that the forming groove (503) is contacted with another injection molding die head (108), molten plastic of another color is extruded onto the single-color plectrum, and the single-color plectrum is cooled and shaped to form a double-color plectrum;
step five: the blanking air pump (502) is started, the blanking air pump (502) operates to inflate the inner cavity of the forming disc (501), the air flow is discharged from the air outlet hole (504), the air flow drives the sealing cover (506) to overturn, and therefore the double-color shifting piece is lifted up and down to the finished product box (112) through the sealing cover (506) to be collected, and the double-color injection molding process of the shifting piece is completed.
2. The automobile air-conditioning grille shifting piece double-color injection molding process according to claim 1, characterized in that the double-color injection molding equipment comprises a bearing base (101), an installation box (102), a loading hopper (103), a drying and loading mechanism (104), a storage tank (105), a driving motor (106), injection molding cylinders (107), an injection molding die head (108), a stretching cylinder (109), an installation vertical plate (110), a sliding rail (111), a finished product box (112), a steering motor (113), a turntable (114) and a molding mechanism (115), wherein the installation box (102) is installed at the top of the bearing base (101), two injection molding cylinders (107) are installed on the installation box (102) in a penetrating manner, the driving motor (106) is installed at one end of each of the two injection molding cylinders (107), a threaded conveying rod (117) is connected to an output shaft of the driving motor (106), and the threaded conveying rod (117) is located in an inner cavity of each injection molding cylinder (107), the other ends of the two injection molding barrels (107) are respectively provided with an injection molding die head (108), the top of the installation box (102) is provided with two loading hoppers (103), one sides of the bottoms of the two loading hoppers (103) are respectively connected to the bottom of one side of the drying and feeding mechanism (104), and the top of the other side of the drying and feeding mechanism (104) is connected to the top of one side of the two storage tanks (105);
stretch cylinder (109), two are all installed in the equal embedding of bottom one end both sides of bearing base (101) the movable rod of stretch cylinder (109) is connected to the both sides of a side of installation riser (110) respectively, installation riser (110) slidable mounting is at the top of slide rail (111), the one end of slide rail (111) is connected to the one end of bearing base (101), top one side of installation riser (110) is installed and is turned to motor (113), carousel (114) are installed to the opposite side of installation riser (110), two forming mechanism (115) are installed to the symmetry on carousel (114), forming mechanism (115) are the cooperation member with injection mold head (108).
3. The double-color injection molding process of the plectrum for the automotive air conditioning grille, according to claim 2, characterized in that two injection molding cylinders (107) are connected through a plurality of connecting columns (116), heating wires are installed inside the screw conveying rod (117) and the injection molding cylinders (107), two storage tanks (105) are installed at one end of the top of the installation box (102) in a penetrating manner, the bottom ends of the two storage tanks (105) are respectively communicated into the inner cavities of the two injection molding cylinders (107), the installation vertical plate (110) is erected at the top of the finished product box (112), and universal wheels are installed at the corners of the bottom of the finished product box (112).
4. The double-color injection molding process of the plectrum for the automobile air-conditioning grille, according to claim 2, characterized in that the drying feeding mechanism (104) comprises two drying feeding tanks (401), a feeding pipe (402), a feeding pipe (403), a water vapor pipe (404), a feeding motor (405), a linkage shaft (406), a transmission chain wheel (407) and a feeding hopper (408), the two drying feeding tanks (401) are connected with each other, the feeding pipe (402) is installed at the bottom of one side of each drying feeding tank (401), the two feeding pipes (402) are respectively communicated with the two feeding hoppers (103), the feeding pipe (403) is installed at the top of the other side of each drying feeding tank (401), the two feeding pipes (403) are respectively communicated with the inner cavities of the two storage tanks (105), the water vapor pipe (404) is installed at the top of each drying feeding tank (401), and heating pipes are installed in the inner walls of the drying feeding tanks (401), one of them stoving material loading bucket (401) one side top is installed material loading motor (405), two stoving material loading bucket (401) top, bottom all run through and install universal driving shaft (406), universal driving shaft (406) rotate with the inner wall of stoving material loading bucket (401) and are connected, one of them the one end of universal driving shaft (406) is connected to the output shaft of material loading motor (405).
5. The double-color injection molding process of the plectrum for the automobile air-conditioning grille, according to claim 4, characterized in that the top and the bottom of the inner cavity of the drying feeding tank (401) are both provided with a transmission chain wheel (407), the two transmission chain wheels (407) are respectively sleeved on two linkage shafts (406), the two transmission chain wheels (407) are connected through a transmission chain, and a plurality of feeding hoppers (408) are rotatably installed on the outer side of the transmission chain at equal intervals.
6. The double-color injection molding process of the plectrum for the automobile air-conditioning grille, as claimed in claim 2, wherein the molding mechanism (115) comprises a molding disc (501), a blanking air pump (502), a molding groove (503), an air outlet (504), a mounting post (505), and a sealing cover (506), the blanking air pump (502) is mounted on the outer circumferential surface of the molding disc (501), the molding groove (503) is formed in the middle of the molding disc (501), the air outlet (504) is formed in the middle of the molding groove (503), and the air outlet (504) extends into the molding disc (501) and is communicated to an output port of the blanking air pump (502).
7. The double-color injection molding process of the plectrum for the air conditioning grille of the automobile as claimed in claim 6, wherein a mounting column (505) is mounted in the middle of the air outlet hole (504), sealing covers (506) are rotatably mounted on both sides of the mounting column (505), the sealing covers (506) are semicircular, and the sealing covers (506) are embedded in the air outlet hole (504).
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