CN105415601B - A kind of automobile indicator lampshade mounting frame injection mold - Google Patents

A kind of automobile indicator lampshade mounting frame injection mold Download PDF

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Publication number
CN105415601B
CN105415601B CN201510998258.XA CN201510998258A CN105415601B CN 105415601 B CN105415601 B CN 105415601B CN 201510998258 A CN201510998258 A CN 201510998258A CN 105415601 B CN105415601 B CN 105415601B
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CN
China
Prior art keywords
push
plate
core
hole
moving platen
Prior art date
Application number
CN201510998258.XA
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Chinese (zh)
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CN105415601A (en
Inventor
郭永环
范希营
田梦婕
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江苏师范大学
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Application filed by 江苏师范大学 filed Critical 江苏师范大学
Priority to CN201510998258.XA priority Critical patent/CN105415601B/en
Publication of CN105415601A publication Critical patent/CN105415601A/en
Application granted granted Critical
Publication of CN105415601B publication Critical patent/CN105415601B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts
    • B29C45/332Mountings or guides therefor; Drives therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/38Cutting-off equipment for sprues or ingates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms

Abstract

The invention discloses a kind of automobile indicator lampshade mounting frame injection mold, including cover half component (1), dynamic model component (2) and push away membrane module (3);Side core slider containment chamber and side core sliding block (241) are provided with core (24);Pushing away membrane module (3) includes push pedal (31), secondary push plate (32), a sprue puller (39), the top of sprue puller is provided with briquetting (391) and sub- sprue puller (392), and briquetting is provided with the ramp structure for coordinating and fitting therewith with the ramp structure of side core sliding block towards the position of side core sliding block.This automobile indicator lampshade mounting frame injection mold mold and during matched moulds push pedal press close to secondary push plate or separation process in the movement of side core sliding block is realized side core-pulling and reset by moving up and down for sprue puller, realize that reducing mould difficulty of processing, damageable zone is conveniently replaceable, improves the mold use life-span, ensure the precision of plastic, reduce mould maintenance cost.

Description

A kind of automobile indicator lampshade mounting frame injection mold
Technical field
The present invention relates to a kind of injection mold, specifically a kind of automobile indicator lampshade mounting frame injection mold belongs to note Modeling processing technique field.
Background technology
Automobile has become the necessity of people's life now, the demand to automobile also constantly rises, especially automobile Performance and outward appearance, this has promoted automaker that manufacturing process, quality requirements are made with innovation, the change even across property.
Plastic shaping is easy, can simplify complex-shaped component processing, while the elastic deformation behavior of plastic components Can protect vehicle and occupant, and plastic corrosion resistant corrosion is strong, Local Damaged will not corrode, plastics are also convenient for recycling, have Price advantage very high, just because of plastics have above-mentioned excellent combination property, plastics are increasingly favored by automobile industry, its Application on automobile extends from internal and external ornament part to body outer skin and functional partses.
Automobile indicator lampshade mounting frame is integrally fixed on car body is used for the part for installing Automobile lamp holder, plug, current vapour Car indicator lamp lampshade mounting frame uses the direct injection moulding of plastics mostly, is to be laid out using a multi-cavity mold more than improve production efficiency, A multi-cavity mold is more complicated than single-chamber Making mold, and manufacturing price can also increase according to the increase of die cavity quantity;And often increase by one Individual die cavity, the dimensional accuracy of plastic can be reduced, therefore general using the chamber of a mould two layout.
Automobile indicator lampshade mounting frame plastic general size is larger, volume is larger, wall thickness generally between 2~3 ㎜, and Typically unsymmetric structure, irregular shape are more, inside and outside to generally include inclined-plane, curved surface, cylinder, hole, muscle, buckle etc. Structure, and be to ensure overall installation site and intensity, the hole of automobile indicator lampshade mounting frame, buckle and muscle structure generally compared with Many comparatively denses, are the more complicated plastics of structure, and close packed structure not easy mold release, difficulty of processing is larger.
Lamp installation hole is typically provided with the inner chamber wallboard of automobile indicator lampshade mounting frame plastic and power line penetrates hole Etc. structure, generally require by side core-pulling class injection mold to be molded, if but pore structure top in the presence of in opposite direction with die sinking The protrusion supporting construction in direction, using prior art Angle Pin or tiltedly curved pin cannot then realize the shaping of lateral aperture, and due to Plastic overall volume is relatively large to easily cause plastic deformation.
The injection mold of the existing chamber of a mould two layout during automobile indicator lampshade mounting frame produce reality, particularly For the mould with above-mentioned irregular structure, its mould structure and manufacturing process is more complicated and not easy mold release;Each part of mould Unitary function, maintenance is inconvenient, and damageable zone is not easy to change, and then it is difficult to ensure that the required precision of plastic, and mould makes Use short life;Production cost is higher, mould maintenance cost is higher.
The content of the invention
Regarding to the issue above, the present invention provides a kind of automobile indicator lampshade mounting frame injection mold, for pore structure Automobile indicator lampshade mounting frame plastic of the top with protrusion supporting construction can on the basis of using the chamber of a mould two layout Realize reducing mould difficulty of processing, convenient manufacture and repair, damageable zone is conveniently replaceable, improves the mold use life-span, realizes Ensure the precision of plastic on the premise of conveniently stripped, reduce mould maintenance cost.
To achieve the above object, this automobile indicator lampshade mounting frame injection mold include cover half component, dynamic model component and Push away membrane module;
Described cover half component includes top clamping plate, solid plate and die cavity;
Top clamping plate upper surface center is provided with the sprue bush and centring ring for being secured to install, and centring ring is arranged on sprue bush Top;
Solid plate is the middle thick plate structure with installation cavity, and its upper surface is fixed with the lower surface of top clamping plate and connected Connect and its installation cavity place-centric is symmetrical in the position of sprue bush;Solid plate is provided with and is secured to connection, vertically passes through up and down Wear the guide pin bushing of solid plate;
Installation cavity dimensional fits in the middle of die cavity and solid plate are simultaneously provided at its inner portion, and die cavity upper surface and cover half The lower surface of seat board is fixedly connected, and the upper surface of die cavity or the lower surface of top clamping plate are provided with the main running channel connected with sprue bush With shunting running channel;The lower surface of die cavity is arranged to the outer surface appearance and size identical with automobile indicator lampshade mounting frame plastic Surface texture;Shunting running channel extends downwardly through die cavity;
Described dynamic model component includes Bottom clamp plate, dynamic model supporting plate, moving platen and core;
Injection machine push-rod hole is provided with Bottom clamp plate;
Dynamic model supporting plate is symmetrically fixedly installed on the upper surface of Bottom clamp plate at least provided with two pieces;
Moving platen is erected in dynamic model supporting plate and connection fixed thereto, the installation of the upper surface correspondence solid plate of moving platen The position of cavity is provided with indent step;The position of correspondence guide pin bushing is provided with and be fixedly connected with moving platen and guide pin bushing internal diameter on moving platen The guide pillar of dimensional fits, guide pillar is penetrated in guide pin bushing;Reset rod through-hole, sprue puller through hole and push rod through hole are additionally provided with moving platen, Reset rod through-hole sets perpendicular to moving platen, is arranged on the upper surface of moving platen, and sprue puller through hole and push rod through hole are vertical Set and be arranged on the indent step of moving platen in moving platen;
The indent step dimension of core and moving platen is fixedly mounted on inside it with merging, the upper surface correspondence die cavity of core Position is arranged to the inner surface portion appearance and size identical surface texture with automobile indicator lampshade mounting frame plastic;Moving platen Push rod through hole upwardly extend through core;The sprue puller through hole of moving platen is upwardly extended and connected with shunting running channel;In core, draw Side core slider containment chamber and side core sliding block are provided near material rod through-hole, side core slider containment chamber is passed through with sprue puller through hole Logical, side core sliding block is arranged in side core slider containment chamber by side extracting cartridge spring dimensional fits, and side core sliding block is expected towards drawing One end of rod through-hole is provided with ramp structure, and side core sliding block is provided with away from one end of sprue puller through hole pacifies with automobile indicator lampshade Shelve the inner surface portion appearance and size identical surface texture of plastic;
It is additionally provided with cooling water pipe joint on described solid plate and/or moving platen, cooling water pipe joint and insertion solid plate, Cooling-water duct connection inside die cavity and/or moving platen, core;
The described membrane module that pushes away is led including a push pedal, secondary push plate, ejector guide pillar, push pedal guide pillar, a secondary push plate Post, push rod, push pedal release link, secondary push plate release link and a sprue puller;
Push pedal and secondary push plate superposition are arranged on the frame-type inside configuration that dynamic model supporting plate surrounds and secondary push plate sets Put a top for push pedal;
Ejector guide pillar is set to more than one piece, is respectively perpendicular through a push pedal and secondary push plate and connection fixed thereto;
One time push pedal guide pillar is arranged on one time between push pedal and secondary push plate, and a push pedal guide pillar is matched somebody with somebody with ejector guide pillar size Merging is penetrated in ejector guide pillar, and its top leans secondary push plate, and its bottom is fixedly installed in Bottom clamp plate;
Secondary push plate guide pillar and ejector guide pillar dimensional fits are simultaneously penetrated in ejector guide pillar, and secondary push plate guide pillar two ends are solid respectively Surely Bottom clamp plate and moving platen are connected to;
The push rod clear size of opening cooperation of push rod and moving platen, a push pedal release link and secondary push plate release link and moving platen Release link clear size of opening coordinate;The bottom of push rod and secondary push plate release link is respectively perpendicular that to be fixedly mounted on secondary push plate just right On the push rod through hole of moving platen and the position of reset rod through-hole, the top of push rod is penetrated in the push rod through hole of moving platen and core, The top of secondary push plate release link is penetrated in the reset rod through-hole of moving platen, and the bottom of a push pedal release link vertically fixedly mounts On position of the push pedal just to the reset rod through-hole of moving platen, one time the top of push pedal release link is passed through in secondary push plate Ejector guide pillar is simultaneously penetrated in the reset rod through-hole of moving platen;
Sprue puller coordinates with the sprue puller clear size of opening of moving platen, and the bottom of sprue puller is vertically fixedly mounted on a push pedal Just on the position of the sprue puller through hole of moving platen, the top of sprue puller passes through secondary push plate, penetrates the drawing of moving platen and core In material rod through-hole, the pressure for being secured to connection is additionally provided with positioned at the top of the sprue puller of the side core slider containment chamber position of core Block and sub- sprue puller, briquetting are provided with towards the position of side core sliding block and coordinate and fit therewith with the ramp structure of side core sliding block Ramp structure, the bottom of sub- sprue puller is fixedly mounted on briquetting.
Scheme, is additionally provided with movable insert mounting hole or groove and activity as a further improvement on the present invention on described core The installation direction of mold insert, movable insert mounting hole or groove is identical with die sinking direction, and movable insert is movably arranged on movable insert peace In dress hole or groove, the exposed junction of movable insert is arranged to the inner surface portion profile chi with automobile indicator lampshade mounting frame plastic Very little identical surface texture.
Scheme as a further improvement on the present invention, the movable insert mounting hole or groove inwall of described core are arranged to cone Degree face, the mounting surface of described movable insert is arranged to the taper face coordinated with the movable insert mounting hole or groove inwall of core.
Scheme as a further improvement on the present invention, the activity of the installation end or described core of described movable insert The installation site of mold insert mounting hole or groove is provided with magnetic material coating.
Scheme as a further improvement on the present invention, the described membrane module that pushes away also includes push rod supporting plate, push rod supporting plate Secondary push plate top and connection fixed thereto are arranged on, described push rod and the bottom of secondary push plate release link is supported by push rod Plate is fixedly mounted in secondary push plate.
Compared with prior art, this automobile indicator lampshade mounting frame injection mold is due in core, sprue puller through hole Side core slider containment chamber and side core sliding block nearby are provided with, the briquetting on side core sliding block and sprue puller is by mutual cooperation Ramp structure laminating is installed, side core sliding block is connected by side extracting cartridge spring with core, briquetting is provided with son for releasing condensate Sprue puller, and membrane module is pushed away including a push pedal and secondary push plate, push pedal is pressed close to secondary push plate when die sinking and matched moulds Or the movement of side core sliding block is realized side core-pulling and reset by moving up and down for sprue puller in separation process, sprue puller is such Setting can realize the reset released sprue condensate and can realize interior side-drawing mechanism side core sliding block, be thus susceptible to realize close The side core-pulling in the hole, buckle and muscle structure of collection;Setting for push pedal guide pillar can move guiding, support for a push pedal Positioning secondary push plate, can limit the release distance of a push pedal again, so as to ensure that the reliability of inner side core-pulling work;Meanwhile, Due to the setting of side core sliding block, briquetting and sub- sprue puller, therefore mould difficulty of processing is reduced, manufactured and easy to maintenance, and Ensure smoothly die sinking;In addition, the side core sliding block set with core split and briquetting are conveniently replaceable, the mold use longevity is improved Life, and then ensure the precision of plastic, mould maintenance cost is relatively low;Due to being provided with the movable insert of Split type structure, therefore can be with Realize for carry in inner chamber and the labyrinth such as the die sinking less vertical hole in button side of in opposite direction, size or muscle plastic Local injection moulding, is particularly well-suited to this kind of overall volume of automobile indicator lampshade mounting frame larger but with dense holes, buckle And the isostructural complicated plastic of muscle.
Brief description of the drawings
Fig. 1 is the structural representation of automobile indicator lampshade mounting frame plastic;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the cavity configuration schematic diagram of a mould two of inventive die;
Fig. 4 is the A-A sectional views of Fig. 3;
Fig. 5 is the B-B sectional views of Fig. 3;
Fig. 6 is the I of Fig. 4 to partial enlarged view.
In figure:1st, cover half component, 11, top clamping plate, 111, sprue bush, 12, solid plate, 121, guide pin bushing, 13, die cavity, 2, Dynamic model component, 21, Bottom clamp plate, 211, injection machine push-rod hole, 22, dynamic model supporting plate, 23, moving platen, 231, guide pillar, 24, Core, 241, side core sliding block, 242, side extracting cartridge spring, 243, movable insert, 3, push away membrane module, 31, push pedal, 32, secondary Push pedal, 33, ejector guide pillar, 34, push pedal guide pillar, 35, secondary push plate guide pillar, 36, push rod, 37, push pedal release link, 38th, secondary push plate release link, 39, sprue puller, 391, briquetting, 392, sub- sprue puller.
Specific embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
By taking automobile indicator lampshade mounting frame plastic as shown in Figure 1 and Figure 2 as an example, the plastic is unsymmetric structure, does not advise Then shape is more, the structure such as including inclined-plane, curved surface, cylinder, hole, muscle, and lamp installation hole and power line penetrate the pore structures such as hole Top has the supporting construction of protrusion, and plastic groove on the whole and hole size shape differ, and global shape complex structure is difficult The demoulding.
Shape and each hole according to plastic, the position characteristics of supporting construction, plastic is must take into consideration using the chamber of a mould two layout The core pulling of the supporting construction above the core pulling in the hole on outer wall and pore structure, as shown in Figures 3 to 5, this automobile indicator lampshade Mounting bracket injection mold includes cover half component 1, dynamic model component 2 and pushes away membrane module 3 (below with cover half component 1 on whole mould Direction be top description).
Described cover half component 1 includes top clamping plate 11, solid plate 12 and die cavity 13;
The upper surface center of top clamping plate 11 is provided with the sprue bush 111 and centring ring for being secured to install, and centring ring is arranged on The top of sprue bush 111, guide-localization is carried out for the injection molding gun to injection machine;
Solid plate 12 is the middle thick plate structure with installation cavity, and its upper surface is fixed with the lower surface of top clamping plate 11 Connection and its installation cavity place-centric is symmetrical in the position of sprue bush 111;Solid plate 12 be provided be secured to connection, on Under extend vertically through the guide pin bushing 121 of solid plate 12;
Installation cavity dimensional fits in the middle of die cavity 13 and solid plate 12 are simultaneously provided at its inner portion, and die cavity 13 upper surface Lower surface with top clamping plate 11 is fixedly connected, and the upper surface of die cavity 13 or the lower surface of top clamping plate 11 are provided with and sprue bush The main running channel and shunting running channel of 111 connections;The lower surface of die cavity 13 is arranged to outer with automobile indicator lampshade mounting frame plastic Surface portion appearance and size identical surface texture;Shunting running channel extends downwardly through die cavity 13, and condensate takes out for convenience, Shunting running channel through die cavity 13 is in the pyramidal structure that lower end is small, upper end is big.
Described dynamic model component 2 includes Bottom clamp plate 21, dynamic model supporting plate 22, moving platen 23 and core 24;
Injection machine push-rod hole 211 is provided with Bottom clamp plate 21, injection machine push rod can be by injection machine push-rod hole 211 Head into inside dynamic model component 2;
Dynamic model supporting plate 22 is symmetrically fixedly installed on the upper surface of Bottom clamp plate 21 at least provided with two pieces;
Moving platen 23 is erected in dynamic model supporting plate 22 and connection fixed thereto, the upper surface correspondence solid plate of moving platen 23 The position of 12 installation cavity is provided with indent step;The position of correspondence guide pin bushing 121 is provided with and is fixed with moving platen 23 on moving platen 23 The guide pillar 231 that connection and the internal diameter size of guide pin bushing 121 coordinate, guide pillar 231 is penetrated in guide pin bushing 121, in cover half component 1 and dynamic model group Part 2 play the guiding role when molding;Reset rod through-hole, sprue puller through hole and push rod through hole are additionally provided with moving platen 23, release link is led to Hole sets perpendicular to moving platen 23, is arranged on the upper surface of moving platen 23, and sprue puller through hole and push rod through hole are each perpendicular to move Template 23 sets and is arranged on the indent step of moving platen 23;
The indent step dimension of core 24 and moving platen 23 is fixedly mounted on inside it with merging, the upper surface pair of core 24 The position of die cavity 13 is answered to be arranged to be tied with the inner surface portion appearance and size identical surface of automobile indicator lampshade mounting frame plastic Structure;The push rod through hole of moving platen 23 is upwardly extended through core 24;The sprue puller through hole of moving platen 23 is upwardly extended and poured with shunting Road is connected;Side core slider containment chamber and side core sliding block 241, side core sliding block are provided with core 24, near sprue puller through hole Accommodating chamber and sprue puller through hole insertion, side core sliding block 241 are arranged on side core sliding block appearance by the dimensional fits of side extracting cartridge spring 242 Receive in chamber, side core sliding block 241 is provided with ramp structure towards one end of sprue puller through hole, side core sliding block 241 deviates from sprue puller One end of through hole is provided with the inner surface portion appearance and size identical surface texture with automobile indicator lampshade mounting frame plastic;
Cooling water pipe joint is additionally provided with described solid plate 12 and/or moving platen 23, cooling water pipe joint is determined with insertion Cooling-water duct connection inside template 12, die cavity 13 and/or moving platen 23, core 24.
The described membrane module 3 that pushes away includes a push pedal 31, secondary push plate 32,33, push pedal guide pillar 34, two of ejector guide pillar Secondary push pedal guide pillar 35, push rod 36, push pedal release link 37, secondary push plate release link 38 and a sprue puller 39;
Push pedal 31 and secondary push plate 32 are superimposed and are arranged on frame-type inside configuration that dynamic model supporting plate 22 surrounds and secondary Push pedal 32 is arranged on a top for push pedal 31;
Ejector guide pillar 33 is set to more than one piece, is respectively perpendicular through a push pedal 31 and secondary push plate 32 and company fixed thereto Connect;
Push pedal guide pillar 34 and the dimensional fits of ejector guide pillar 33 are simultaneously penetrated in ejector guide pillar 33, and one time push pedal guide pillar 34 sets Put between a push pedal 31 and secondary push plate 32, its top leans secondary push plate 32, its bottom is fixedly installed in Bottom clamp plate 21, a push pedal guide pillar 34 to a push pedal 31 movement when molding for being oriented to;
Secondary push plate guide pillar 35 and the dimensional fits of ejector guide pillar 33 are simultaneously penetrated in ejector guide pillar 33,35 liang of secondary push plate guide pillar End is respectively fixedly connected with Bottom clamp plate 21 and moving platen 23, to a push pedal 31 and two when secondary push plate guide pillar 35 is used to mold The movement of secondary push pedal 32 is oriented to;
The push rod clear size of opening cooperation of push rod 36 and moving platen 23, a push pedal release link 37 and secondary push plate release link 38 Release link clear size of opening with moving platen 23 coordinates;The bottom of push rod 36 and secondary push plate release link 38 is respectively perpendicular fixed installation Push rod through hole in secondary push plate 32 just to moving platen 23 and on the position of reset rod through-hole, the top of push rod 36 penetrates moving platen 23 and core 24 push rod through hole in, the top of secondary push plate release link 38 is penetrated in the reset rod through-hole of moving platen 23, once The bottom of push pedal release link 37 is vertical to be fixedly mounted on a push pedal 31 just on the position of the reset rod through-hole of moving platen 23, and one The top of secondary push pedal release link 37 passes through the ejector guide pillar 33 in secondary push plate 32 and penetrates in the reset rod through-hole of moving platen 23;
Sprue puller 39 coordinates with the sprue puller clear size of opening of moving platen 23, and the bottom of sprue puller 39 is vertically fixedly mounted on one Secondary push pedal 31 just on the position of the sprue puller through hole of moving platen 23, the top of sprue puller 39 through secondary push plate 32, penetrate it is dynamic In the sprue puller through hole of template 23 and core 24, positioned at the top of the sprue puller 39 of the side core slider containment chamber position of core 24 Be additionally provided be secured to connection briquetting 391 and sub- sprue puller 392, briquetting 391 towards the position of side core sliding block 241 be provided with The ramp structure that the ramp structure of side core sliding block 241 coordinates and fits therewith, the bottom of sub- sprue puller 392 is fixedly mounted on pressure On block 391, the top of sub- sprue puller 392 is provided with " Z " font step or swallow-tail form step, for the injection after fixed solidification Material.
This automobile indicator lampshade mounting frame injection mold in matched moulds state, as shown in Figure 4, Figure 5, the He of cover half component 1 Dynamic model component is merged about 2, and now the upper surface laminating of the lower surface of solid plate 12 and moving platen 23, pushes away membrane module 3 A push pedal 31 and secondary push plate 32 be located at the lower end of frame-type structure that two pieces dynamic model supporting plate 22 is surrounded, a push pedal resets Bar 37 and the upper end of secondary push plate release link 38 are acted against on core 24 through reset rod through-hole;The inclined-plane knot of side core sliding block 241 Structure is extruded positioned at the left location, side extracting cartridge spring 242 for illustrating in compressive state by briquetting 391;The lower surface of die cavity 13, core The injection body that 24 upper surface and the left side of side core sliding block 241 surround automobile indicator lampshade mounting frame plastic jointly is empty Chamber.
This automobile indicator lampshade mounting frame injection mold can take horizontal installation or vertical installed in horizontal or vertical On injection machine, below describe by taking vertical installation as an example, before injection work, first pacify this automobile indicator lampshade under matched moulds state Injection mold clamping is shelved on injection machine, the Bottom clamp plate 21 of dynamic model component 2 is fixedly mounted on lathe moving platen and makes note Molding machine push-rod hole 211 aligns injection machine push rod on lathe moving platen, and the top clamping plate 11 of cover half component 1 is fixedly mounted on lathe On solid plate, the cooling water pipe joint on solid plate 12 and/or moving platen 23 is connected into cooling water source.
It is molded in foregoing matched moulds state, as shown in figure 4, the injection molding material with pressure is through sprue bush 111 Be squeezed into this automobile indicator lampshade mounting frame injection mold, in the presence of injection pressure, injection molding material quickly fill with by The left side of the lower surface, the upper surface of core 24 and side core sliding block 241 of die cavity 13 surrounds automobile indicator lampshade peace jointly Shelve the injection body cavity of plastic, now briquetting 391 of the ramp structure of the right side of side core sliding block 241 in sprue puller 39 Injection pressure being withstood under squeezing action and being maintained at positioning states, pump pressure is stopped when injection pressure reaches setting pressure;Type Circulating cooling carries out fast cooling to cooling water inside chamber 13 and core 24 to die cavity 13 and core 24 immediately, in body cavity Injection molding material is quick solidification shaping.
After carrying out die sinking feeding after injection molding material coagulation forming:Starting injection machine lathe makes lathe moving platen move down die sinking, moves Membrane module 2 follows lathe moving platen to move straight down under the guide effect of guide pillar 231, i.e., I-I die joint as shown in Figure 4 Parting, the condensate in sprue bush 111 is to be drawn out.
Injection machine push rod is ejected from lathe moving platen after injection machine lathe moving platen is displaced downwardly to setpoint distance, through note Molding machine push-rod hole 211 is acted against in a push pedal 31 for pushing away membrane module 3, and injection machine push rod continues to eject, and a push pedal 31 exists Under guide effect for push pedal guide pillar 34 vertically on shift to secondary push plate 32 and press close to, sprue puller 39 is followed once during pressing close to Being moved in push pedal 31 makes to be moved on briquetting 391, and side extracting cartridge spring 242 discharges elastic force, and side core sliding block 241 is in ramp structure and side extracting cartridge Moved right in the presence of spring 242 and complete the side core-pulling in direction to the right inside plastic;Sub- sprue puller 392 will shunt running channel simultaneously Interior condensate is released, and operating personnel directly remove condensate.
After a upper surface for push pedal 31 is fitted with the lower surface of secondary push plate 32, injection machine push rod continues to eject, and one Secondary push pedal 31 and secondary push plate 32 are moved in synchronization under the guide effect of secondary push plate guide pillar 35, a push pedal release link 37, two Secondary push pedal release link 38 and push rod 36 are stretched out in Self-resetting rod through-hole and push rod through hole respectively, and push rod 36 will be molded plastic entirety Release and depart from the completion backform action of core 24, operating personnel directly remove plastic is molded.
When removing after shaping plastic matched moulds again, in injection machine push rod elder generation retraction lathe, then being moved on lathe moving platen makes Dynamic model component 2 is fitted with cover half component 1, and a push pedal release link 37 and secondary push plate release link 38 are being led during matched moulds A push pedal 31, secondary push plate 32, push rod 36 and sprue puller 39 is driven synchronously to be pushed back by solid plate 12 under the guide effect of post 231 To original state;The right side inclined-plane of its ramp structure extruding side core sliding block 241 in the folding process of briquetting 391 of sprue puller 39 Structure, makes side core sliding block 241 be moved to the left compressed side extracting cartridge spring 242, and then make dynamic model component 2 accurate with cover half component 1 right Close, complete mould assembling action.
In for automobile indicator lampshade mounting frame plastic inner chamber with mold the vertical hole in button side in opposite direction or The labyrinths such as muscle, because size is smaller and position is generally compacter, are difficult to take directly once opening vertically or horizontally Mould realizes core pulling, as a further improvement on the present invention scheme, as shown in fig. 6, being additionally provided with movable insert on described core 24 The installation direction of mounting hole or groove and movable insert 243, movable insert mounting hole or groove is identical with die sinking direction, movable insert 243 are movably arranged in movable insert mounting hole or groove, and the exposed junction of movable insert 243 is arranged to pacify with automobile indicator lampshade The inner surface portion appearance and size identical surface texture of plastic is shelved, because vertical hole or muscle are with opposite direction with die sinking The labyrinths such as button side, during die sinking, movable insert 243 hooks the synchronous movable insert mounting hole for pusheding away from core 24 by plastic Or groove, operating personnel will be molded after plastic will need to only be removed when directly removing on the self-forming plastic of movable insert 243 and reinstall Matched moulds is carried out again in the movable insert mounting hole or groove for entering core 24.
For the ease of movable insert 243 die sinking when smoothly follow shaping plastic depart from core 24, as it is of the invention enter One step improvement project, the movable insert mounting hole or groove inwall of described core 24 are arranged to taper face, described movable insert 243 mounting surface is arranged to the taper face coordinated with the movable insert mounting hole or groove inwall of core 24.
During in order to prevent movable insert 243 to be movably arranged in the movable insert mounting hole of core 24 or groove due to vibrations or Other reasonses cause its position to change, and then cause that plastic parts moulding effect is poor, even produce waste product, as it is of the invention enter One step improvement project, the described installation end of movable insert 243 or the movable insert mounting hole of described core 24 or groove Installation site is provided with magnetic material coating, and magnetic material coating can be inhaled after installation activity mold insert 243 to movable insert 243 Attached positioning.
Process for convenience and change, and ensure that push rod 36 and secondary push plate release link 38 are accurately positioned in secondary push plate 32 Above and firmly with secondary push plate 32 it is fixedly connected, as shown in Figure 4, Figure 5, scheme, described as a further improvement on the present invention The membrane module 3 that pushes away also include push rod supporting plate, push rod supporting plate is arranged on the top of secondary push plate 32 and connection fixed thereto, described Push rod 36 and the bottom of secondary push plate release link 38 be fixedly mounted in secondary push plate 32 by push rod supporting plate.
This automobile indicator lampshade mounting frame injection mold in core 24, near sprue puller through hole due to being provided with side core Slider containment chamber and side core sliding block 241, the briquetting 391 on side core sliding block 241 and sprue puller 39 are oblique by what is cooperated Structure laminating in face is installed, side core sliding block 241 is connected by side extracting cartridge spring 242 with core 24, briquetting 391 is provided with for releasing The sub- sprue puller 392 of condensate, and membrane module 3 is pushed away including a push pedal 31 and secondary push plate 32, push pedal when die sinking and matched moulds 31 press close to secondary push plate 32 or separation process in the mobile reality of side core sliding block 241 is made by moving up and down for sprue puller 39 Existing side core-pulling and reset, sprue puller 39 is arranged such can be realized releasing sprue condensate and can realize interior side-drawing mechanism side type The reset of core sliding block 241, is thus susceptible to realize the side core-pulling in intensive hole, buckle and muscle structure;Push pedal guide pillar 34 sets Put can for a push pedal 31 move guiding, support positioning secondary push plate 32, can limit again a release for push pedal 31 away from From so as to ensure that the reliability of inner side core-pulling work;Simultaneously as side core sliding block 241, briquetting 391 and sub- sprue puller 392 Setting, therefore reduce mould difficulty of processing, manufacture and easy to maintenance, and ensure smoothly die sinking;In addition, with the split of core 24 The side core sliding block 241 and briquetting 391 of setting are conveniently replaceable, and improve the mold use life-span, and then ensure the precision of plastic, mould Tool maintenance cost is relatively low;Due to being provided with the movable insert 243 of Split type structure, therefore can realize for carrying in inner chamber and open The local injection moulding of the plastics of labyrinth such as mould is in opposite direction, the less vertical hole in button side of size or muscle, it is particularly suitable It is larger but with dense holes, buckle and the isostructural complicated plastic of muscle in this kind of overall volume of automobile indicator lampshade mounting frame.

Claims (5)

1. a kind of automobile indicator lampshade mounting frame injection mold, including cover half component (1), dynamic model component (2) and membrane module is pushed away (3), it is characterised in that
Described cover half component (1) includes top clamping plate (11), solid plate (12) and die cavity (13);
Top clamping plate (11) upper surface center is provided with the sprue bush (111) and centring ring for being secured to install, and centring ring is arranged on Sprue bush (111) top;
Solid plate (12) is the middle thick plate structure with installation cavity, and its upper surface is fixed with the lower surface of top clamping plate (11) Connection and its installation cavity place-centric is symmetrical in the position of sprue bush (111);Solid plate (12) is provided with the company of being secured to Connect, extend vertically through the guide pin bushing (121) of solid plate (12) up and down;
Installation cavity dimensional fits in the middle of die cavity (13) and solid plate (12) are simultaneously provided at its inner portion, and die cavity (13) upper table Face is fixedly connected with the lower surface of top clamping plate (11), and the upper surface of die cavity (13) or the lower surface of top clamping plate (11) are provided with The main running channel and shunting running channel connected with sprue bush (111);The lower surface of die cavity (13) is arranged to pacify with automobile indicator lampshade Shelve the outer surface appearance and size identical surface texture of plastic;Shunting running channel extends downwardly through die cavity (13);
Described dynamic model component (2) includes Bottom clamp plate (21), dynamic model supporting plate (22), moving platen (23) and core (24);
Injection machine push-rod hole (211) is provided with Bottom clamp plate (21);
Dynamic model supporting plate (22) is symmetrically fixedly installed on the upper surface of Bottom clamp plate (21) at least provided with two pieces;
Moving platen (23) is erected in dynamic model supporting plate (22) and connection fixed thereto, the upper surface correspondence cover half of moving platen (23) The position of the installation cavity of plate (12) is provided with indent step;The position of correspondence guide pin bushing (121) is provided with and dynamic model on moving platen (23) The guide pillar (231) that plate (23) is fixedly connected and guide pin bushing (121) internal diameter size coordinates, guide pillar (231) is penetrated in guide pin bushing (121);It is dynamic Reset rod through-hole, sprue puller through hole and push rod through hole are additionally provided with template (23), reset rod through-hole sets perpendicular to moving platen (23) Put, be arranged on the upper surface of moving platen (23), sprue puller through hole and push rod through hole are each perpendicular to moving platen (23) and set and equal It is arranged on the indent step of moving platen (23);
The indent step dimension of core (24) and moving platen (23) is fixedly mounted on inside it with merging, the upper surface of core (24) Correspondence die cavity (13) position is arranged to the inner surface portion appearance and size identical table with automobile indicator lampshade mounting frame plastic Face structure;The push rod through hole of moving platen (23) is upwardly extended through core (24);The sprue puller through hole of moving platen (23) prolongs upwards Stretch and connected with shunting running channel;Side core slider containment chamber and side core sliding block are provided with core (24), near sprue puller through hole (241), side core slider containment chamber and sprue puller through hole insertion, side core sliding block (241) are matched somebody with somebody by side extracting cartridge spring (242) size Conjunction is arranged in side core slider containment chamber, and side core sliding block (241) is provided with ramp structure, side towards one end of sprue puller through hole Core sliding block (241) is provided with the inner surface portion of automobile indicator lampshade mounting frame plastic exceptionally away from one end of sprue puller through hole Shape size identical surface texture;
Cooling water pipe joint is additionally provided with described solid plate (12) and/or moving platen (23), cooling water pipe joint is determined with insertion The internal cooling-water duct connection of template (12), die cavity (13) and/or moving platen (23), core (24);
The described membrane module (3) that pushes away includes push pedal (31), secondary push plate (32), ejector guide pillar (33), a push pedal guide pillar (34), secondary push plate guide pillar (35), push rod (36), push pedal release link (37), secondary push plate release link (38) and a sprue puller (39);
Push pedal (31) and secondary push plate (32) superposition are arranged on the frame-type inside configuration and two that dynamic model supporting plate (22) is surrounded Secondary push pedal (32) is arranged on a top for push pedal (31);
Ejector guide pillar (33) is set to more than one piece, is respectively perpendicular through a push pedal (31) and secondary push plate (32) and fixed thereto Connection;
One time push pedal guide pillar (34) is arranged between a push pedal (31) and secondary push plate (32), a push pedal guide pillar (34) with push away Plate guide pin bushing (33) dimensional fits are simultaneously penetrated in ejector guide pillar (33), and its top leans secondary push plate (32), the fixed installation of its bottom In Bottom clamp plate (21);
Secondary push plate guide pillar (35) and ejector guide pillar (33) dimensional fits are simultaneously penetrated in ejector guide pillar (33), secondary push plate guide pillar (35) two ends are respectively fixedly connected with Bottom clamp plate (21) and moving platen (23);
The push rod clear size of opening cooperation of push rod (36) and moving platen (23), a push pedal release link (37) and secondary push plate release link (38) the release link clear size of opening with moving platen (23) coordinates;Hang down respectively the bottom of push rod (36) and secondary push plate release link (38) Directly it is fixedly mounted on the position of push rod through hole and reset rod through-hole of the secondary push plate (32) just to moving platen (23), push rod (36) Top penetrate in the push rod through hole of moving platen (23) and core (24), the top of secondary push plate release link (38) penetrates moving platen (23) in reset rod through-hole, one time the bottom of push pedal release link (37) is vertically fixedly mounted on a push pedal (31) just to dynamic model On the position of the reset rod through-hole of plate (23), a top for push pedal release link (37) is led through the push pedal in secondary push plate (32) Set (33) is simultaneously penetrated in the reset rod through-hole of moving platen (23);
Sprue puller (39) coordinates with the sprue puller clear size of opening of moving platen (23), and the bottom of sprue puller (39) is vertically fixedly mounted on Push pedal (31) is just on the position of the sprue puller through hole of moving platen (23), the top of sprue puller (39) passes through secondary push plate (32), penetrate in the sprue puller through hole of moving platen (23) and core (24), positioned at the side core slider containment chamber position of core (24) The top of the sprue puller (39) put is additionally provided with the briquetting (391) and sub- sprue puller (392) for being secured to connection, briquetting (391) face The inclined-plane knot for coordinating and fitting therewith with the ramp structure of side core sliding block (241) is provided with to the position of side core sliding block (241) Structure, the bottom of sub- sprue puller (392) is fixedly mounted on briquetting (391).
2. automobile indicator lampshade mounting frame injection mold according to claim 1, it is characterised in that described core (24) be additionally provided with movable insert mounting hole or groove and movable insert (243) on, the installation direction of movable insert mounting hole or groove with Die sinking direction is identical, and movable insert (243) is movably arranged in movable insert mounting hole or groove, and movable insert (243) expose End is arranged to the inner surface portion appearance and size identical surface texture with automobile indicator lampshade mounting frame plastic.
3. automobile indicator lampshade mounting frame injection mold according to claim 2, it is characterised in that described core (24) movable insert mounting hole or groove inwall is arranged to taper face, the mounting surface of described movable insert (243) be arranged to The taper face that the movable insert mounting hole or groove inwall of core (24) coordinate.
4. automobile indicator lampshade mounting frame injection mold according to claim 2, it is characterised in that described activity edge The installation end or the movable insert mounting hole of described core (24) or the installation site of groove of part (243) are provided with magnetic material and cover Layer.
5. automobile indicator lampshade mounting frame injection mold according to claim 1 and 2, it is characterised in that described pushes away Membrane module (3) also includes push rod supporting plate, and push rod supporting plate is arranged on secondary push plate (32) top and connection fixed thereto, described Push rod (36) and the bottom of secondary push plate release link (38) be fixedly mounted in secondary push plate (32) by push rod supporting plate.
CN201510998258.XA 2015-12-28 2015-12-28 A kind of automobile indicator lampshade mounting frame injection mold CN105415601B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106142478B (en) * 2016-08-29 2018-05-22 江苏师范大学 A kind of injection mold with tilted wall supporting structure controlled release water funnel
CN107599325B (en) * 2017-09-14 2020-07-21 华域视觉科技(上海)有限公司 Secondary ejection mechanism in lamp shell mold
CN109785728B (en) * 2019-01-07 2020-12-15 金华职业技术学院 Slide block type universal large water gap teaching mould frame

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Publication number Priority date Publication date Assignee Title
CN201677462U (en) * 2010-03-19 2010-12-22 海尔集团公司 Internal loose core injection mold
CN203210625U (en) * 2013-03-18 2013-09-25 滁州市精华模具制造有限公司 Injection mould structure with side parting core-pulling mechanism
CN203267126U (en) * 2013-05-29 2013-11-06 昆山市润苏物资有限公司 Injection mould with side parting core pulling
CN104354274A (en) * 2014-10-31 2015-02-18 江苏师范大学 Injection mould for upper housing of car air filter
CN104385537A (en) * 2014-11-26 2015-03-04 江苏师范大学 Injection mold for automobile engine cylinder head cover
CN205255436U (en) * 2015-12-28 2016-05-25 江苏师范大学 Car pilot lamp lamp shade mounting bracket injection mold

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201677462U (en) * 2010-03-19 2010-12-22 海尔集团公司 Internal loose core injection mold
CN203210625U (en) * 2013-03-18 2013-09-25 滁州市精华模具制造有限公司 Injection mould structure with side parting core-pulling mechanism
CN203267126U (en) * 2013-05-29 2013-11-06 昆山市润苏物资有限公司 Injection mould with side parting core pulling
CN104354274A (en) * 2014-10-31 2015-02-18 江苏师范大学 Injection mould for upper housing of car air filter
CN104385537A (en) * 2014-11-26 2015-03-04 江苏师范大学 Injection mold for automobile engine cylinder head cover
CN205255436U (en) * 2015-12-28 2016-05-25 江苏师范大学 Car pilot lamp lamp shade mounting bracket injection mold

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Effective date of registration: 20190726

Address after: 130000 Changchun City, automobile development zone, Jilin City, the third street and C Road intersection twenty

Patentee after: Jilin Sheng Ya Molding Co., Ltd.

Address before: Yucai Road Jiawang District 221011 Jiangsu city of Xuzhou province No. 2

Patentee before: Jiangsu Normal University