CN113146956B - Co-injection instrument panel mold with self-tearing airbag structure - Google Patents
Co-injection instrument panel mold with self-tearing airbag structure Download PDFInfo
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- CN113146956B CN113146956B CN202110429621.1A CN202110429621A CN113146956B CN 113146956 B CN113146956 B CN 113146956B CN 202110429621 A CN202110429621 A CN 202110429621A CN 113146956 B CN113146956 B CN 113146956B
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- push
- instrument panel
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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
- B29C45/26—Moulds
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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
-
- 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
- B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
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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
- B29C45/26—Moulds
- B29C45/2681—Moulds with rotatable mould parts
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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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
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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
-
- 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
- B29C2045/0089—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor successive filling of parts of a mould cavity, i.e. one cavity part being filled before another part is filled
-
- 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
- B29C2045/1693—Making multilayered or multicoloured articles shaping the first molding material before injecting the second molding material, e.g. by cutting, folding
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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
- B29C45/26—Moulds
- B29C2045/2683—Plurality of independent mould cavities in a single mould
- B29C2045/2685—Plurality of independent mould cavities in a single mould filled with different materials
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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
- B29C2793/00—Shaping techniques involving a cutting or machining operation
- B29C2793/0009—Cutting out
- B29C2793/0018—Cutting out for making a hole
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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
- B29L2031/3008—Instrument panels
Abstract
The invention discloses a co-injection instrument panel mould with a self-tearing air bag structure, which has the technical scheme that the instrument panel mould comprises a movable mould plate; fixing a template; the push plate system pushes the processed instrument panel out of the driven template for separation; the flow distribution plate is provided with two hot runner systems which are respectively correspondingly communicated with the two molding surfaces on the fixed mold plate; the sprue bush is provided with two or more than two materials which respectively correspond to different materials and is connected with the injection molding machine and the hot runner system; the die carrier for install fixed movable mould board, fixed die plate, flow distribution plate, runner cover, the die carrier is equipped with the rotatory drive arrangement of drive movable mould board, including the first die cavity that is used for producing the processing skeleton between movable mould board and the fixed die plate, be used for producing the second die cavity of processing instrument board body, the fixed die plate is equipped with a plurality of hot runner nozzles, the one end of nozzle is equipped with the controller, provides the instrument board mould that injects the accuracy, be convenient for continuous production, tear the waste material automatically.
Description
Technical Field
The invention belongs to the field of automobile parts, and particularly relates to a co-injection instrument panel mold with a self-tearing airbag structure.
Background
In the art of injection molding, it is known to simultaneously or sequentially inject two melt streams of moldable material into a mold cavity using a single hot runner injection molding nozzle, which is commonly referred to as co-injection. The surface of the existing instrument panel adopts soft materials similar to leather, the back surface adopts a skeleton with a stronger structure to be connected with other structures of the automobile body and is fixedly provided with an air bag structure with self-tearing, a co-injection mold injects two different material melt flows into a mold cavity in sequence, the skeleton is firstly injection-molded, then the instrument panel is injection-molded, holes can be formed in the skeleton for installing the air bag structure on the skeleton, but the holes are large, the melt material flow is easily influenced, the connecting structure can be increased in the holes, the connecting structure can be cut off after molding, but the control of the quantity of the cavity injection material by the existing mold is not accurate enough, so that the size deviation of the skeleton is large, and the injection size of the instrument panel body is influenced.
Disclosure of Invention
The invention aims to solve the technical problems and provide an instrument panel mould which is accurate in injection, convenient for continuous production and capable of automatically tearing waste materials.
The purpose of the invention is realized by the following steps: a co-injection instrument panel mould with a self-tearing air bag structure comprises a movable mould plate, a movable mould plate and a movable mould plate, wherein the movable mould plate is provided with two same forming surfaces; the fixed template is matched with the movable template and is provided with two different molding surfaces, and the framework and the instrument board body are respectively processed; the push plate system is used for pushing the processed instrument panel body out of the driven template for separation; the flow distribution plate is provided with two hot runner systems which are respectively correspondingly communicated with the two molding surfaces on the fixed mold plate; the sprue bush is provided with two or more than two materials which respectively correspond to different materials and is connected with the injection molding machine and the hot runner system; the die carrier is used for installing and fixing the movable die plate, the fixed die plate, the flow distribution plate and the sprue bush, the die carrier is provided with a driving device for driving the movable die plate to rotate, a first cavity for producing and processing a framework and a second cavity for producing and processing an instrument board body are arranged between the movable die plate and the fixed die plate, the fixed die plate is provided with a plurality of hot runner nozzles, and one end of each nozzle is provided with a controller.
By adopting the technical scheme, the movable template is provided with two same molding surfaces; the fixed template is matched with the movable template and is provided with two different molding surfaces, and the framework and the instrument board body are respectively processed; the push plate system is used for pushing the processed instrument panel body out of the driven template and separating the processed instrument panel body from the driven template; the flow distribution plate is provided with two hot runner systems which are respectively correspondingly communicated with the two molding surfaces on the fixed mold plate; the sprue bush is provided with two or more than two materials which respectively correspond to different materials and is connected with the injection molding machine and the hot runner system; the mould frame is used for installing and fixing the movable mould plate, the fixed mould plate, the splitter plate and the sprue bush, the movable mould plate, the fixed mould plate, the push plate system, the splitter plate, the sprue bush and the like are installed through the mould frame, at least more than two sprue bushes are respectively injected with different materials, different splitter systems respectively exist on the splitter plate corresponding to different sprue bushes and are respectively injected onto the third cavity surface and the fourth cavity surface, a first cavity for producing and processing a framework and a second cavity for producing and processing an instrument panel body are arranged between the movable mould plate and the fixed mould plate, the framework is processed in the first cavity and then is not subjected to mould release conversion to the second cavity for continuously processing the instrument panel body, the instrument panel body is processed while the framework is processed, the first cavity and the second cavity respectively correspond to one push plate system, the first cavity and the second cavity are symmetrical relative to the axis center of the driving device, the mould frame is provided with a driving device for driving the movable mould plate to rotate, the rotation of passing through drive arrangement makes the shaping face on the movable mould board correspond the shaping face on the fixed die plate in turn, makes instrument panel skeleton and instrument panel body continuously process, improves machining efficiency, improves the utilization ratio to the material through the injection of hot runner nozzle, makes runner part material need not continue to use, controls the injection volume of first die cavity of hot runner nozzle on-off control or second die cavity fuse-element material through the controller.
The invention is further configured to: the hot runner nozzle comprises a nozzle sleeve and valve needles arranged in the nozzle sleeve, the die carrier is provided with a mounting plate for mounting a controller, the valve needles penetrate through the flow distribution plate and are fixedly connected with the controller, the valve needles are controlled by the controller to do telescopic motion, the controller is provided with a sealing sleeve sleeved on the valve needles, heat dissipation guide pieces are arranged between the sealing sleeve and the controller, and each heat dissipation guide piece comprises a heat conduction portion wrapped outside the sealing sleeve and a plurality of heat dissipation portions fixedly connected with the heat conduction portion and evenly distributed.
By adopting the technical scheme, the melt material flows through the gap between the nozzle sleeve and the valve needle, the nozzle sleeve is connected with the flow channel on the flow distribution plate, the material in the flow channel is injected into the first cavity or the second cavity through the nozzle sleeve, the opening and closing of the nozzle sleeve are controlled through the expansion and contraction of the valve needle, the die carrier is provided with the mounting plate for mounting the controller, the nozzle sleeve is convenient to position and mount through the mounting plate, the valve needle penetrates through the flow distribution plate and is fixedly connected with the controller, the controller controls the valve needle to do telescopic motion, the valve needle has the function of guiding the flow of the material in the flow channel on the flow distribution plate, the sealing performance between the valve needle and the flow distribution plate is improved through the sealing sleeve, the telescopic motion of the valve needle is ensured, the melt material is prevented from being leaked, the heat dissipation guide sheet is arranged between the sealing sleeve and the controller, the valve needle is made of metal material and has better heat conductivity, the heat conduction performance of the sealing sleeve is improved through the heat dissipation guide sheet, and the gap between the sealing sleeve and the valve needle is prevented from expanding under the heating to enlarge, the heat dissipation guide piece comprises a heat conduction part and a plurality of heat dissipation parts, wherein the heat conduction part is wrapped outside the sealing sleeve, the heat dissipation parts are fixedly connected with the heat conduction part and are uniformly distributed, the contact area between the heat conduction part and the sealing sleeve is increased, the heat conduction of the heat conduction part is increased by the heat dissipation parts, the heat exchange speed with air is increased by the heat conduction part, the heat dissipation performance of the heat dissipation guide piece is improved, and the heat dissipation performance of the sealing sleeve is further improved.
The invention is further configured to: the movable mould plate is provided with a plurality of movable mould inserts corresponding to the connecting structures, the movable mould inserts are provided with sharp corners, the movable mould inserts are provided with movable cavities, the movable mould inserts are provided with movable pistons arranged in the movable cavities and capable of sliding, the movable mould inserts are provided with ejector rods, one ends of the ejector rods are fixedly connected with the movable pistons and do telescopic movement along with the movable pistons, the other ends of the ejector rods are matched with the movable mould inserts, the movable mould inserts are provided with air inlets connected with the movable cavities, the air inlets are connected with an air source through pipe fittings, the movable mould inserts are provided with air outlets connected with the movable cavities, one sides of the movable pistons are provided with first return springs sleeved on the ejector rods, the other sides of the movable pistons are provided with limiting blocks, and the limiting blocks limit the positions of the movable pistons in the movable cavities under normal states.
By adopting the technical scheme, the movable mould plate is provided with a plurality of movable mould inserts corresponding to the connecting structures, the movable mould inserts are provided with sharp corners, the movable mould inserts can be moved in a stretching way through the push plate system, the cutting parts are arranged between the connecting structures and the instrument panel framework, the connecting structures are separated from the instrument panel framework through the action of the sharp corners on the cutting parts, the automatic scrap tearing action is realized, the subsequent machining of the instrument panel body is facilitated, the movable mould inserts are provided with movable cavities, the movable mould inserts are provided with movable pistons which are arranged in the movable cavities to move in a sliding way, the movable mould inserts are provided with ejector rods, one ends of the ejector rods are fixedly connected with the movable pistons and move in a stretching way along with the movable pistons, the other ends of the ejector rods are matched with the movable mould inserts, the movable pistons are arranged in the movable cavities to move, the ejector rods are driven to move in a stretching way to eject the scraps separated from the framework out of the movable mould inserts, the movable mould inserts are provided with air inlets connected with the movable cavities, the air inlet passes through the pipe fitting and is connected with the air supply, the movable mould is inserted and is provided with the gas outlet of being connected with the activity chamber, it increases air pressure in the activity chamber to transmit gas to the air inlet through the air supply, thereby drive movable piston rebound, make the ejector pin do ejecting action, one side of movable piston is provided with the first reset spring who cup joints in the ejector pin, open the gas outlet and emit the air, make movable piston move down under the effect of first release link, it continues processing to reset the ejector pin, movable piston's opposite side is provided with the stopper, stopper restriction activity intracavity normality down movable piston's position, through stopper restriction ejector pin reset position, improve the structure suitability between each ejector pin.
The invention is further configured to: the movable mould insert is provided with an air outlet rod which is the same as the axis of the air outlet and is inserted into the limiting block, one end of the air outlet rod is provided with an air outlet plug matched with the air outlet, the other end of the air outlet rod is fixedly connected with a magnet arranged inside the limiting block, the limiting block is provided with an electromagnetic part corresponding to the magnet, a magnetic field is generated between the electromagnetic part and the magnet after the electromagnetic part is electrified, the electromagnetic part and the magnet are attracted with each other, and a second reset spring is arranged between the air outlet plug and the limiting block.
By adopting the technical scheme, the movable die insert is provided with the air outlet rod which is the same as the axis of the air outlet and is inserted into the limiting block, one end of the air outlet rod is provided with the air outlet plug matched with the air outlet, the air outlet plug is matched with the air outlet, the air outlet plug and the air outlet are closed or separated by the movement of the air outlet rod, the other end of the air outlet rod is fixedly connected with a magnet arranged in a limiting block, the limiting block is provided with an electromagnetic part corresponding to the magnet, a magnetic field is generated between the electromagnetic part and the magnet after the electromagnetic part is electrified, so that the electromagnetic part and the magnet are mutually attracted, a second reset spring is arranged between the air outlet plug and the limiting block, the electromagnetic part is not electrified under the normal state, the air outlet plug is hermetically connected with the air outlet under the action of the second return spring, so that the air pressure in the movable cavity is stable, the current passing through the electromagnetic part is increased to enable the electromagnetic part and the magnet to attract each other, the air outlet plug is separated from the air outlet, and air is discharged out of the movable cavity.
The invention is further configured to: the push pedal system comprises a first push pedal and a second push pedal, the movable die insert and the limiting block are fixedly connected to the first push pedal, the second push pedal is provided with a push rod, the push rod pushes out the injection-molded instrument board body driven template, the second push pedal is provided with a fixing plate for fixing the push rod, the fixing plate is connected with the second push pedal through a screw, and the push pedal system is provided with a third reset spring sleeved on the push rod.
Through adopting the above technical scheme, the push pedal system includes first push pedal, the second push pedal, the movable mould is inserted, the stopper links firmly in first push pedal, insert the separation that releases realization connection structure with the movable mould through promoting first push pedal, the second push pedal is provided with the push rod, the push rod is released on the instrument board body driven template of accomplishing of moulding plastics, improve blanking speed, machining efficiency is improved, the second push pedal is provided with the fixed plate that is used for fixed push rod, pass through the screw connection between fixed plate and the second push pedal, fix the push rod in the second push pedal through the fixed plate, guarantee that the structure is firm and simple to operate, the push pedal system is provided with the third reset spring who cup joints in the push rod, the first push pedal of movable mould board other end conflict is contradicted to the one end of third reset spring, reset the push pedal system through first reset spring effect, structural stability is improved, machining efficiency is improved.
The invention is further configured to: the both sides of push pedal system are equipped with connecting device, connecting device including arrange first push pedal circumferential connecting piece in, arrange second push pedal circumference in and with the connection fitting piece of connecting piece adaptation, connecting piece and first push pedal fixed connection, the one end of connecting piece is equipped with rotatable movable connector, the connector passes through the servo motor drive rotation, the connection fitting piece is equipped with the spread groove with the connector adaptation, the connector is equipped with two archs about connecting piece axis evenly distributed, the connection fitting piece is equipped with the inner groovy that corresponds with the arch.
By adopting the technical scheme, the two sides of the push plate system are provided with the connecting devices, the separated waste is cut off by pushing the first push plate, the instrument is separated from the driven template in a half day by pushing the second push plate, only the first push plate needs to be pushed when the waste is separated, the second push plate does not need to be pushed, the first push plate and the second push plate need to be pushed simultaneously when the instrument panel body is demoulded, the action of only pushing the first push plate can be realized by the connecting devices when the waste is separated, the connecting devices comprise the connecting piece arranged at the periphery of the first push plate and the connecting matching piece arranged at the periphery of the second push plate and matched with the connecting piece, the locking and the separation between the first push plate and the second push plate can be realized by completing the matching through the connecting piece and the connecting matching piece, the connecting piece is fixedly connected with the first push plate, one end of the connecting piece is provided with the rotatable movable connector, and the connector is driven to rotate by the servo motor, make convenient operation through servo motor drive connector, connect the fitting piece be provided with the spread groove of connector adaptation, the connector is provided with two archs about connecting piece axis evenly distributed, connect the fitting piece be provided with protruding inner groovy that corresponds, thereby the connector with connect behind the fitting piece cooperation make protruding and inner groovy adaptation lock connecting piece and connection fitting piece through servo motor drive.
The invention is further configured to: the die carrier is equipped with the transposition device, the transposition device includes the rotor plate, arrange in on the die carrier and be the guide rail of annular form, arrange in on the rotor plate and with the slider of guide rail adaptation, the slider is arranged in and is rotated along the equidirectional always on the guide rail, and the movable mould board links firmly on arranging the rotor plate in, and it is rotatory to drive the rotor plate through drive arrangement, is equipped with the cushion between movable mould board and the rotor plate.
Through adopting the above technical scheme, the die carrier is provided with the transposition device, the transposition device includes the rotor plate, arrange in on the die carrier and be the guide rail of annular form, arrange in on the rotor plate and with the slider of guide rail adaptation, be used for installing the movable mould board through the rotor plate, improve the installation steadiness of movable mould board, through the guide rail, the slider improves the rotation precision, further improve the product precision, the slider is arranged in and is rotated along the same direction on the guide rail always, guarantee this continuous production and processing of instrument panel physical stamina, the rotor plate passes through drive arrangement and rotates, it rotates to drive the movable mould board simultaneously, be provided with the cushion between movable mould board and the rotor plate, be convenient for the installation of push pedal system and the action of releasing of first push pedal and second push pedal through the cushion.
The invention is further configured to: the rotating plate is provided with a first ejection hole, and the second push plate is provided with a second ejection hole.
Through adopting above-mentioned technical scheme, the rotor plate is provided with first ejecting hole, and the second push pedal is provided with second ejecting hole, and the cylinder on the injection molding machine of being convenient for through first ejecting hole and second ejecting hole passes and promotes first push pedal and remove, further realizes the drawing of patterns to waste material and instrument board body.
The invention is further configured to: the movable piston is provided with two first sealing rings which are abutted against the movable cavity, and a second sealing ring is arranged between the movable die insert and the first push plate.
Through adopting above-mentioned technical scheme, the movable piston is provided with two first sealing washers of contradicting with the activity chamber, is provided with the second sealing washer between movable mould insert and the first push pedal, increases the sealing performance in activity chamber through first sealing washer and second sealing washer, makes the ejector pin ejecting more stable.
The invention has the beneficial effects that:
1. the rotating plate is driven to rotate through the driving device, the molding surface on the movable template is further driven to be matched with the molding surface on the fixed template, the movable template and the fixed template are ensured to be simultaneously injected in a matched mode, the melt material is injected into the first cavity to be cooled and molded into a framework of the instrument panel, the connecting structure is cut under the condition that the framework is not demoulded, then the movable template is rotated to transfer the framework into the second cavity, and the first cavity and the second cavity are simultaneously injected with the material, so that the processing efficiency is improved.
2. Insert flexible removal through the movable mould, make closed angle portion with connection structure and skeleton separation, further insert the separation from the movable mould with connection structure through the ejector pin, be convenient for with the injection of follow-up instrument board body, make skeleton and this body coupling of instrument board closely firm more, the ejector pin resets through first reset spring after ejecting, arranges the flexible removal of removal drive ejector pin in the activity chamber through movable piston in, is convenient for adjust through the stopper, improves the installation accuracy of ejector pin and the precision that the ejector pin resets.
3. The air inlet drives the movable piston to move upwards, the air outlet enables the movable piston to move downwards, the air outlet plug is matched with the air outlet to prevent air leakage in a normal state, when air needs to be discharged, the current flowing through the electromagnetic part is changed to increase the suction force between the electromagnetic part and the magnet, the magnet moves towards the electromagnetic part under the action of the suction force to enable the air outlet rod to drive the air outlet plug to move, the air outlet plug is separated from the air outlet, the air discharging action is completed, and then the magnetic force flowing through the electromagnet disappears to enable the air outlet plug to be continuously matched with the air outlet hole.
4. Promote first push pedal and detach connection structure after the skeleton is accomplished in processing, promote the second push pedal and make the instrument body drawing of patterns after the instrument board body is accomplished in processing, it makes the injection molding machine remove through the first push pedal of contradicting and ejecting through first ejecting hole and second ejecting hole, the second push pedal is connected or separates in order to realize different ejecting actions through connecting device and first push pedal, drive the connector through servo motor when connector and spread groove cooperation and rotate, make protruding and inner groovy cooperation accomplish the connection of first push pedal and second push pedal, the second push pedal moves together when promoting first push pedal this moment, when first push pedal and second push pedal need not move together, drive servo motor makes the connector rotate, make protruding and inner groovy separation, the connector is disconnected from the spread groove when removing first push pedal, only drive first push pedal and remove.
Drawings
FIG. 1 is a schematic structural view of an embodiment of an instrument panel mold of the present invention;
FIG. 2 is an enlarged view of the embodiment of FIG. 1 at A;
FIG. 3 is an enlarged view of the embodiment of the present invention at B of FIG. 1;
FIG. 4 is a schematic structural diagram of an embodiment of a connecting device according to the present invention;
FIG. 5 is a schematic structural diagram of the embodiment of FIG. 4 at C;
FIG. 6 is a schematic structural view of an embodiment of the connection fitting of the present invention;
reference numeral in the figure, 1, a mold frame; 11. cushion blocks; 2. moving the template; 21. a first cavity; 22. a second cavity; 23. a movable die insert; 231. a sharp corner portion; 232. a movable cavity; 233. an air inlet; 234. an air outlet; 235. a second seal ring; 24. a top rod; 25. a first return spring; 26. a movable piston; 261. a first seal ring; 27. a limiting block; 28. an air outlet rod; 281. an air outlet plug; 282. a second return spring; 283. a magnet; 29. an electromagnetic section; 3. fixing a template; 31. a mouth sleeve; 32. a valve needle; 4. a pusher system; 41. a first push plate; 42. a second push plate; 421. a second ejection bore; 43. a fixing plate; 44. a third return spring; 45. a push rod; 5. a flow distribution plate; 51. mounting a plate; 511. a controller; 512. a sealing sleeve; 52. a heat dissipation guide fin; 521. a heat conducting portion; 522. a heat dissipating section; 6. a sprue bush; 7. a drive device; 8. a connecting device; 81. a connecting member; 811. a connector; 812. a protrusion; 82. connecting a fitting piece; 821. connecting grooves; 822. an inner groove; 83. a servo motor; 9. a transposition device; 91. a rotating plate; 911. a first ejection bore; 92. a guide rail; 93. a slide block.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description clearly and completely describes the technical solution in the embodiment of the present invention with reference to fig. 1 to 5:
a co-injection instrument panel mould with a self-tearing air bag structure is provided, wherein a movable mould plate 2 is provided with two same forming surfaces; the fixed template 3 is matched with the movable template 2 and is provided with two different molding surfaces, and the framework and the instrument board body are respectively processed; the push plate system 4 is used for pushing the processed instrument panel body out of the driven template 2 for separation; the flow distribution plate 5 is provided with two hot runner systems which are respectively correspondingly communicated with the two molding surfaces on the fixed mold plate 3; the sprue bush 6 is provided with two or more materials which respectively correspond to different materials and is connected with the injection molding machine and the hot runner system; the mould frame 1 is used for installing and fixing the movable mould plate 2, the fixed mould plate 3, the flow distribution plate 5 and the sprue bush 6, the movable mould plate 2, the fixed mould plate 3, the push plate system 4, the flow distribution plate 5, the sprue bush 6 and the like are installed through the mould frame 1, at least more than two sprue bushes 6 are respectively injected with different materials, different flow distribution systems are respectively arranged on the flow distribution plate 5 and respectively correspond to different sprue bushes 6 and are respectively injected onto a third cavity surface and a fourth cavity surface, a first cavity 21 for producing and processing frameworks and a second cavity 22 for producing and processing an instrument board body are arranged between the movable mould plate 2 and the fixed mould plate 3, the frameworks are converted into the instrument board processing body in the second cavity 22 without demoulding after being processed in the first cavity 21, the instrument board body is processed while the frameworks are processed, the first cavity 21 and the second cavity 22 respectively correspond to one push plate system 4, the first cavity 21 and the second cavity 22 are symmetrical relative to the axis center of the driving device 7, the die carrier 1 is provided with the rotatory drive arrangement 7 of drive movable mould board 2, rotates through drive arrangement 7 and makes the shaping face on the movable mould board 2 correspond the shaping face on the fixed die plate 3 in turn, makes instrument board skeleton and instrument board body process continuously, improves machining efficiency, improves the utilization ratio to the material through hot runner nozzle injection, makes runner part material need not continue to use, controls the injection volume of hot runner nozzle on-off control first die cavity 21 or second die cavity 22 internal fuse-element material through controller 511.
The melt material flows through a gap between the nozzle sleeve 31 and the valve needle 32, the nozzle sleeve 31 is connected with a flow channel on the flow distribution plate 5, the material in the flow channel is injected into the first cavity 21 or the second cavity 22 through the nozzle sleeve 31, the opening and closing of the nozzle sleeve 31 are controlled by the expansion and contraction of the valve needle 32, the die carrier 1 is provided with a mounting plate 51 for mounting a controller 511, the nozzle sleeve 31 is convenient to position and mount through the mounting plate 51, the valve needle 32 penetrates through the flow distribution plate 5 and is fixedly connected with the controller 511, the controller 511 controls the valve needle 32 to do the expansion and contraction movement, the valve needle 32 has the flow guiding function on the material in the flow channel on the flow distribution plate 5, the sealing performance between the valve needle 32 and the flow distribution plate 5 is improved through the sealing sleeve 512, the expansion and contraction movement of the valve needle 32 is ensured, the heat dissipation guide sheet 52 is arranged between the sealing sleeve 512 and the controller 511, the valve needle 32 is made of a metal material and has better heat conductivity, the heat conduction performance of the sealing sleeve 512 is improved through the heat dissipation guide sheet 52, prevent that seal cover 512 from being heated the inflation and making the clearance grow between needle 32 and the seal cover 512, heat dissipation conducting strip 52 is including the heat-conducting part 521 of parcel outside seal cover 512 and a plurality of radiating part 522 that link firmly and evenly distributed with heat-conducting part 521, through heat-conducting part 521 increase with the area of contact of seal cover 512, through radiating part 522 with the heat conduction of heat-conducting part 521 increase with the heat transfer speed of air, improve heat dispersion of heat dissipation conducting strip 52, further improve the heat dispersion of seal cover 512.
The movable template 2 is provided with a plurality of movable die inserts 23 corresponding to the connecting structure, the movable die inserts 23 are provided with sharp corners 231, the movable die inserts 23 do telescopic movement through the push plate system 4, a cutting part is arranged between the connecting structure and the instrument panel framework, the connecting structure is separated from the instrument panel framework through the effect of the sharp corners 231 on the cutting part, the automatic waste tearing action is realized, the subsequent processing of the instrument panel body is convenient, the movable die inserts 23 are provided with movable cavities 232, the movable die inserts 23 are provided with movable pistons 26 which are arranged in the movable cavities 232 to slide and move, the movable die inserts 23 are provided with ejector rods 24, one ends of the ejector rods 24 are fixedly connected with the movable pistons 26 and do telescopic movement along with the movable pistons 26, the other ends of the ejector rods 24 are matched with the movable die inserts 23 and are arranged in the movable cavities 232 to move through the movable pistons 26, the ejector rods 24 are driven to do telescopic movement to eject the waste separated from the framework from the movable die inserts 23, the movable die insert 23 is provided with an air inlet 233 connected with the movable cavity 232, the air inlet 233 is connected with an air source through a pipe fitting, the movable die insert 23 is provided with an air outlet 234 connected with the movable cavity 232, air pressure in the movable cavity 232 is increased by supplying air to the air inlet 233 through the air source, so that the movable piston 26 is driven to move upwards, the ejector rod 24 is driven to perform ejection action, one side of the movable piston 26 is provided with a first reset spring 25 sleeved on the ejector rod 24, the air outlet 234 is opened to discharge air, the movable piston 26 moves downwards under the action of a first reset rod, the ejector rod 24 is reset to continue processing, the other side of the movable piston 26 is provided with a limiting block 27, the limiting block 27 limits the position of the movable piston 26 in the movable cavity 232 under a normal state, the reset position of the ejector rod 24 is limited through the limiting block 27, and the structural adaptability among the ejector rods 24 is improved.
The movable die insert 23 is provided with an air outlet rod 28 which has the same axis as the air outlet 234 and is inserted into the limiting block 27, one end of the air outlet rod 28 is provided with an air outlet plug 281 which is matched with the air outlet 234, the air outlet plug 281 and the air outlet 234 are closed or separated by the movement of the air outlet rod 28, the other end of the air outlet rod 28 is fixedly connected with a magnet 283 which is arranged inside the limiting block 27, the limiting block 27 is provided with an electromagnetic part 29 which corresponds to the magnet 283, a magnetic field is generated between the electromagnetic part 29 and the magnet 283 after the electromagnetic part is electrified, so that the electromagnetic part 29 and the magnet 283 are attracted with each other, a second return spring 282 is arranged between the air outlet plug 281 and the limiting block 27, the electromagnetic part 29 is not electrified in a normal state, the air outlet plug 281 and the air outlet 234 are hermetically connected under the action of the second return spring 282, the air pressure in the movable cavity 232 is stable, and the electromagnetic part 29 and the magnet 283 are attracted with each other by increasing the current of the electromagnetic part 29, the air outlet plug 281 is separated from the air outlet 234 and discharges air out of the movable chamber 232.
The push plate system 4 comprises a first push plate 41 and a second push plate 42, the movable die insert 23 and the limiting block 27 are fixedly connected to the first push plate 41, the movable die insert 23 is pushed out by pushing the first push plate 41 to realize separation of the connecting structure, the second push plate 42 is provided with a push rod 45, the push rod 45 pushes out the injection-molded instrument panel body from the driven template 2, the blanking speed is increased, and the processing efficiency is improved, the second push plate 42 is provided with a fixing plate 43 for fixing the push rod 45, the fixing plate 43 is connected with the second push plate 42 through a screw, the push rod 45 is fixed on the second push plate 42 through the fixing plate 43, the structure is ensured to be stable and convenient to install, the push plate system 4 is provided with a third return spring 44 sleeved on the push rod 45, one end of the third return spring 44 abuts against the other end of the movable template 2 to abut against the first push plate 41, and the push plate system 4 is reset through the action of the first return spring 25, the structural stability is improved, and the processing efficiency is improved.
The two sides of the push plate system 4 are provided with a connecting device 8, the separated waste materials are cut off by pushing the first push plate 41, the instrument is separated from the driven template 2 on a half day by pushing the second push plate 42, only the first push plate 41 needs to be pushed when the waste materials are separated, the second push plate 42 does not need to be pushed, the first push plate 41 and the second push plate 42 need to be pushed simultaneously when the instrument panel body is demoulded, the action of only pushing the first push plate 41 when the waste materials are separated can be realized by the connecting device 8, the connecting device 8 comprises a connecting piece 81 arranged at the periphery of the first push plate 41 and a connecting matching piece 82 which is arranged at the periphery of the second push plate 42 and is matched with the connecting piece 81, the locking and the separation between the first push plate 41 and the second push plate 42 are realized by completing the matching through the connecting piece 81 and the connecting matching piece 82, the connecting piece 81 is fixedly connected with the first push plate 41, one end of the connecting piece 81 is provided with a connecting head 811 capable of rotating and moving, the connector 811 is driven to rotate by the servo motor 83, the connector 811 is driven by the servo motor 83 to be convenient to operate, the connecting fitting 82 is provided with a connecting groove 821 matched with the connector 811, the connector 811 is provided with two protrusions 812 uniformly distributed about the axis of the connecting piece 81, the connecting fitting 82 is provided with an inner groove 822 corresponding to the protrusions 812, the connector 811 is matched with the connecting fitting 82 and then is locked with the connecting piece 81 and the connecting fitting 82 by driving the protrusions 812 and the inner groove 822 through the servo motor 83.
The die carrier 1 is provided with the transposition device 9, the transposition device 9 includes the rotor plate 91, arrange in on the die carrier 1 and be the guide rail 92 of annular form, arrange in on the rotor plate 91 and with the slider 93 of guide rail 92 adaptation, be used for installing movable mould board 2 through the rotor plate 91, improve the installation steadiness of movable mould board 2, through guide rail 92, slider 93 improves the rotation accuracy, further improve the product precision, slider 93 arranges always to rotate along the same direction on the guide rail 92 in, guarantee that this physical continuous production and processing of instrument board, rotor plate 91 passes through drive arrangement 7 and rotates, drive movable mould board 2 simultaneously and rotate, be provided with cushion 11 between movable mould board 2 and the rotor plate 91, be convenient for push pedal system 4's installation and the action of pushing out of first push pedal 41 and second push pedal 42 through cushion 11.
The rotating plate 91 is provided with a first ejection hole 911, the second push plate 42 is provided with a second ejection hole 421, and a cylinder on the injection molding machine can conveniently penetrate through the first ejection hole 911 and the second ejection hole 421 to push the first push plate 41 to move, so that the waste material and the demolding of the instrument panel body can be further realized.
The movable piston 26 is provided with two first sealing rings 261 which are abutted against the movable cavity 232, a second sealing ring 235 is arranged between the movable die insert 23 and the first push plate 41, and the sealing performance of the movable cavity 232 is improved through the first sealing ring 261 and the second sealing ring 235, so that the ejection of the ejector rod 24 is more stable.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art should be able to make general changes and substitutions within the technical scope of the present invention.
Claims (5)
1. A co-injection instrument panel mould with a self-tearing air bag structure is characterized by comprising a movable mould plate (2) and a movable mould plate, wherein the movable mould plate is provided with two same forming surfaces; the fixed template (3) is matched with the movable template (2) and is provided with two different molding surfaces, and the framework and the instrument board body are respectively processed; the push plate system (4) pushes the processed instrument panel body out of the driven template (2) for separation; the flow distribution plate (5) is provided with two hot runner systems which are respectively communicated with the two molding surfaces on the fixed mold plate (3) correspondingly; the sprue bush (6) is provided with two or more materials which respectively correspond to different materials and is connected with the injection molding machine and the hot runner system; the device comprises a die carrier (1) and a control device, wherein the die carrier (1) is used for installing and fixing a movable die plate (2), a fixed die plate (3), a flow distribution plate (5) and a sprue bush (6), the die carrier (1) is provided with a driving device (7) for driving the movable die plate (2) to rotate, a first die cavity (21) for producing and processing a framework and a second die cavity (22) for producing and processing an instrument panel body are arranged between the movable die plate (2) and the fixed die plate (3), the fixed die plate (3) is provided with a plurality of hot runner nozzles, and one end of each nozzle is provided with a controller (511);
the hot runner nozzle comprises a nozzle sleeve (31) and a valve needle (32) arranged in the nozzle sleeve (31), the die carrier (1) is provided with a mounting plate (51) for mounting a controller (511), the valve needle (32) penetrates through and is fixedly connected with the controller (511) through a flow distribution plate (5), the controller (511) controls the valve needle (32) to do telescopic motion, the controller (511) is provided with a sealing sleeve (512) sleeved on the valve needle (32), a heat dissipation guide sheet (52) is arranged between the sealing sleeve (512) and the controller (511), and the heat dissipation guide sheet (52) comprises a heat conduction part (521) wrapped outside the sealing sleeve (512) and a plurality of heat dissipation parts (522) fixedly connected with the heat conduction part (521) and uniformly distributed;
the movable die plate (2) is provided with a plurality of movable die inserts (23) corresponding to the connecting structures, the movable die inserts (23) are provided with sharp corners (231), the movable die inserts (23) are provided with movable cavities (232), the movable die inserts (23) are provided with movable pistons (26) arranged in the movable cavities (232) and capable of sliding, the movable die inserts (23) are provided with ejector rods (24), one ends of the ejector rods (24) are fixedly connected with the movable pistons (26) and do telescopic motion along with the movable pistons (26), the other ends of the ejector rods (24) are matched with the movable die inserts (23), the movable die inserts (23) are provided with air inlets (233) connected with the movable cavities (232), the air inlets (233) are connected with an air source through pipe fittings, the movable die inserts (23) are provided with air outlets (234) connected with the movable cavities (232), one side of the movable pistons (26) is provided with first return springs (25) sleeved on the ejector rods (24), the other side of the movable piston (26) is provided with a limiting block (27), and the limiting block (27) limits the position of the movable piston (26) in a normal state in the movable cavity (232);
the push plate system (4) comprises a first push plate (41) and a second push plate (42), the movable die insert (23) and the limiting block (27) are fixedly connected to the first push plate (41), the second push plate (42) is provided with a push rod (45), the push rod (45) pushes out the instrument panel body after injection molding from the driven template (2), the second push plate (42) is provided with a fixing plate (43) for fixing the push rod (45), the fixing plate (43) is connected with the second push plate (42) through a screw, and the push plate system (4) is provided with a third return spring (44) sleeved on the push rod (45);
the both sides of push pedal system (4) are equipped with connecting device (8), connecting device (8) including arrange first push pedal (41) circumferential connecting piece (81), arrange second push pedal (42) periphery in and with connecting piece (81) connection fitting piece (82) of adaptation, connecting piece (81) and first push pedal (41) fixed connection, the one end of connecting piece (81) is equipped with rotatable movable connector (811), connector (811) are rotatory through servo motor (83) drive, connection fitting piece (82) are equipped with spread groove (821) with connector (811) adaptation, connector (811) are equipped with two arch (812) about connecting piece (81) axis evenly distributed, connection fitting piece (82) are equipped with inner groovy (822) that correspond with arch (812).
2. The instrument panel die with the self-tearing airbag structure for coinjection according to claim 1, wherein the movable die insert (23) is provided with an air outlet rod (28) which has the same axis as the air outlet (234) and is inserted into the limiting block (27), one end of the air outlet rod (28) is provided with an air outlet plug (281) which is matched with the air outlet (234), the other end of the air outlet rod (28) is fixedly connected with a magnet (283) arranged inside the limiting block (27), the limiting block (27) is provided with an electromagnetic part (29) corresponding to the magnet (283), a magnetic field is generated between the electromagnetic part (29) and the magnet (283) after the electromagnetic part is powered on, so that the electromagnetic part (29) and the magnet (283) attract each other, and a second return spring (282) is arranged between the air outlet plug (281) and the limiting block (27).
3. The instrument panel mold with the self-tearing airbag structure for the co-injection according to claim 2, wherein the mold frame (1) is provided with a transposition device (9), the transposition device (9) comprises a rotating plate (91), a guide rail (92) which is arranged on the mold frame (1) and is in a ring shape, and a slider (93) which is arranged on the rotating plate (91) and is matched with the guide rail (92), the slider (93) is arranged on the guide rail (92) and always rotates along the same direction, the movable mold plate (2) is arranged on the rotating plate (91) and is fixedly connected, the rotating plate (91) is driven to rotate by the driving device (7), and a cushion block (11) is arranged between the movable mold plate (2) and the rotating plate (91).
4. A co-injected instrument panel mold with self-tearing airbag structure according to claim 3, wherein the rotating plate (91) is provided with a first ejection hole (911) and the second pushing plate (42) is provided with a second ejection hole (421).
5. The co-injected instrument panel mold with self-tearing airbag structure according to claim 4, wherein the movable piston (26) is provided with two first sealing rings (261) which interfere with the movable cavity (232), and a second sealing ring (235) is arranged between the movable die insert (23) and the first push plate (41).
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| CN202110429621.1A CN113146956B (en) | 2021-04-21 | 2021-04-21 | Co-injection instrument panel mold with self-tearing airbag structure |
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| CN202110429621.1A CN113146956B (en) | 2021-04-21 | 2021-04-21 | Co-injection instrument panel mold with self-tearing airbag structure |
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| CN114801097A (en) * | 2022-05-05 | 2022-07-29 | 黄石市鸿达塑料模具有限责任公司 | High-efficient extrusion tooling that mixes of polypropylene material |
| CN116175879A (en) * | 2023-03-07 | 2023-05-30 | 蔚来汽车科技(安徽)有限公司 | Injection molding method and injection mold for product |
| CN117021484A (en) * | 2023-08-16 | 2023-11-10 | 山东辰鑫达粉体科技有限公司 | Injection mold of interior parting injection molding |
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