CN105415601A - Injection mold for lampshade installation racks of automobile indicator lamps - Google Patents
Injection mold for lampshade installation racks of automobile indicator lamps Download PDFInfo
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- CN105415601A CN105415601A CN201510998258.XA CN201510998258A CN105415601A CN 105415601 A CN105415601 A CN 105415601A CN 201510998258 A CN201510998258 A CN 201510998258A CN 105415601 A CN105415601 A CN 105415601A
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- Prior art keywords
- hole
- moving platen
- plate
- sprue puller
- core
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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
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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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
- B29C45/38—Cutting-off equipment for sprues or ingates
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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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mold for lampshade installation racks of automobile indicator lamps. The injection mold comprises a fixed mold assembly (1), a movable mold assembly (2) and a pushing mold assembly (3); a side core sliding block containing cavity and a side core sliding block (241) are arranged in a core (24); the pushing mold assembly (3) comprises a primary pushing plate (31), a secondary pushing plate (32) and a sprue puller (39), a pressing block (391) and an auxiliary sprue puller (392) are arranged at the top end of the sprue puller (39), and a slope structure matched with a slope structure of the side core sliding block and attached to the slope structure of the side core sliding block is arranged at the position, facing the side core sliding block, of the pressing block. According to the injection mold for the lampshade installation racks of the automobile indicator lamps, in the mold opening and closing process, when the primary pushing plate gets close to or gets away from the secondary pushing plate, the sprue puller moves vertically and enables the side core sliding block to move for realizing side core-pulling and resetting, the mold processing difficulty is lowered, easily-worn parts are convenient to replace, the service life of the mold is prolonged, the accuracy of plastic parts is guaranteed, and the maintenance cost of the mold is lowered.
Description
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 injection molding technical field.
Background technology
Automobile has become the necessity of people's life now, also constantly rises to the demand of automobile, especially the performance of automobile and outward appearance, and this has impelled automaker to make the change of innovation or even leap property to manufacturing process, quality requirements.
Plastic shaping easily, complex-shaped component processing can be made to simplify; the elastic deformation behavior of plastic components simultaneously can protect vehicle and occupant; and plastic corrosion-resisting is strong, Local Damaged can not corrode; plastics are also convenient to recycle, have very high price advantage; just because of plastics have the combination property of above-mentioned excellence; plastics are day by day subject to the favor of automobile industry, and its application on automobile is from internal and external ornament part to body outer skin and functional parts expansion.
Automobile indicator lampshade mounting frame is fixed on car body for installing the parts of Automobile lamp holder, plug, current automobile indicator lampshade mounting frame adopts the direct injection mo(u)lding of plastics mostly, for many employing a multi-cavity mold layouts of enhancing productivity, a multi-cavity mold manufactures complicated than singe cavity mold, and manufacturing price also can increase according to the increase of die cavity quantity; And often increasing a die cavity, the dimensional accuracy of plastic can reduce, and therefore generally adopts a mould two chamber layout.
Automobile indicator lampshade mounting frame plastic general size is comparatively large, volume is larger, wall thickness is usually between 2 ~ 3 ㎜, and normally unsymmetric structure, irregularly shaped more, inside and outsidely generally include the structures such as inclined-plane, curved surface, cylinder, hole, muscle, buckle, and for ensureing overall installation site and intensity, the hole of automobile indicator lampshade mounting frame, buckle and the usual more comparatively dense of muscle structure are the plastics of complicated structure, close packed structure is the demoulding not easily, and difficulty of processing is larger.
The inner chamber wallboard of automobile indicator lampshade mounting frame plastic is typically provided with lamp installation hole and power line penetrates the structures such as hole, generally need to come shaping by side core-pulling class injection mold, if but the top of pore structure exists and the rightabout protrusion supporting construction in die sinking direction, utilize the Angle Pin of prior art or oblique curved pin then cannot realize the shaping of lateral aperture, and easily cause plastic to be out of shape because plastic overall volume is relatively large.
The injection mold of an existing mould two chamber layout in automobile indicator lampshade mounting frame production real process, particularly for the mould with above-mentioned irregular structure, its mould structure and the more complicated and not easily demoulding of manufacturing process; The function singleness of each parts of mould, maintenance is inconvenient, and damageable zone is not easy to change, and then is difficult to the required precision ensureing plastic, and die life is short; Production cost is higher, mould maintenance cost is higher.
Summary of the invention
For the problems referred to above, the invention provides a kind of automobile indicator lampshade mounting frame injection mold, the top of apertures structure has the automobile indicator lampshade mounting frame plastic protruding supporting construction and can realize reducing Mould Machining difficulty, convenient manufacture and maintenance on the basis of employing one mould two chamber layout, damageable zone is convenient to change, improve the mold use life-span, ensure the precision of plastic under realizing conveniently stripped prerequisite, reduce mould maintenance cost.
For achieving the above object, this automobile indicator lampshade mounting frame injection mold comprises cover half assembly, dynamic model assembly and pushes away membrane module;
Described cover half assembly comprises top clamping plate, solid plate and die cavity;
Top clamping plate upper surface center is provided with sprue bush hard-wired with it and centring ring, and centring ring is arranged on above sprue bush;
Solid plate is that centre has the thick plate structure installing cavity, and its upper surface is fixedly connected with the lower surface of top clamping plate and it installs empty cavity position Central Symmetry in the position of sprue bush; Solid plate be provided be fixedly connected with it, the vertical guide pin bushing running through solid plate up and down;
Installation cavity size in the middle of die cavity and solid plate coordinates and is provided at its inner portion, and the upper surface of die cavity is fixedly connected with the lower surface of top clamping plate, and the upper surface of die cavity or the lower surface of top clamping plate are provided with the main running channel that is communicated with sprue bush and shunt running channel; The lower surface of die cavity is arranged to the surface texture identical with the outer surface appearance and size of automobile indicator lampshade mounting frame plastic; Shunting running channel extends downwardly through die cavity;
Described dynamic model assembly comprises Bottom clamp plate, dynamic model gripper shoe, moving platen and core;
Bottom clamp plate is provided with injection machine push-rod hole;
Dynamic model gripper shoe at least arranges two pieces, and symmetry is fixedly installed on the upper surface of Bottom clamp plate;
Moving platen is erected in dynamic model gripper shoe and is also fixedly connected with it, and the position of the installation cavity of the corresponding solid plate of upper surface of moving platen is provided with indent step; On moving platen, the position of corresponding guide pin bushing is provided with the guide pillar being fixedly connected with moving platen, coordinating with guide pin bushing internal diameter size, and guide pillar penetrates in guide pin bushing; Moving platen is also provided with release link through hole, sprue puller through hole and push rod through hole, release link through hole arranges perpendicular to moving platen, is arranged on the upper surface of moving platen, and sprue puller through hole and push rod through hole all arrange perpendicular to moving platen and be all arranged on the indent step of moving platen;
Core coordinates with the indent step dimension of moving platen and fixedly mounts therein, and the corresponding cavity positions of upper surface of core is arranged to the surface texture identical with the inner surface portion appearance and size of automobile indicator lampshade mounting frame plastic; The push rod through hole of moving platen upwards extends through core; The sprue puller through hole of moving platen upwards extends and is communicated with shunting running channel; In core, near sprue puller through hole, be provided with side core slider containment chamber and side core slide block, side core slider containment chamber and sprue puller through hole through, side core slide block is arranged in side core slider containment chamber by side extracting cartridge spring dimensional fits, side core slider surface is provided with ramp structure to one end of sprue puller through hole, and one end that side core slide block deviates from sprue puller through hole is provided with the surface texture identical with the inner surface portion appearance and size of automobile indicator lampshade mounting frame plastic;
Described solid plate and/or moving platen are also provided with cooling water pipe joint, and cooling water pipe joint is communicated with the cooling-water duct of through solid plate, die cavity and/or moving platen, core inside;
The described membrane module that pushes away comprises a push pedal, secondary push plate, ejector guide pillar, push pedal guide pillar, secondary push plate guide pillar, push rod, push pedal release link, secondary push plate release link and a sprue puller;
A push pedal and secondary push plate superposition are arranged on frame-type inside configuration that dynamic model gripper shoe surrounds and secondary push plate is arranged on the top of a push pedal;
Ejector guide pillar is set to more than one piece, is vertically respectively fixedly connected with it through a push pedal and secondary push plate;
One time push pedal guide pillar is arranged on one time between push pedal and secondary push plate, and a push pedal guide pillar and ejector guide pillar dimensional fits also penetrate 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 also penetrate in ejector guide pillar, and secondary push plate guide pillar two ends are fixedly connected on Bottom clamp plate and moving platen respectively;
Push rod coordinates with the push rod clear size of opening of moving platen, and a push pedal release link and secondary push plate release link coordinate with the release link clear size of opening of moving platen; Push rod is fixedly mounted on secondary push plate just on the push rod through hole of moving platen and the position of release link through hole with the bottom of secondary push plate release link is vertical respectively, the top of push rod penetrates in the push rod through hole of moving platen and core, the top of secondary push plate release link penetrates in the release link through hole of moving platen, the bottom of a push pedal release link is vertically fixedly mounted on the position of a push pedal just to the release link through hole of moving platen, and the top of a push pedal release link is passed the ejector guide pillar in secondary push plate and penetrates in the release link through hole of moving platen;
Sprue puller coordinates with the sprue puller clear size of opening of moving platen, the bottom of sprue puller is vertically fixedly mounted on the position of a push pedal just to the sprue puller through hole of moving platen, the top of sprue puller is passed secondary push plate, is penetrated in the sprue puller through hole of moving platen and core, the top being positioned at the sprue puller of the position, side core slider containment chamber of core is also provided with the briquetting and sub-sprue puller that are fixedly connected with it, briquetting is provided with towards the position of side core slide block and coordinates and the ramp structure of fitting with it with the ramp structure of side core slide block, and the bottom of sub-sprue puller is fixedly mounted on briquetting.
Scheme as a further improvement on the present invention, described core is also provided with movable insert installing hole or groove and movable insert, the installation direction of movable insert installing hole or groove is identical with die sinking direction, movable insert is movably arranged in movable insert installing hole or groove, and the exposed junction of movable insert is arranged to the surface texture identical with the inner surface portion appearance and size of automobile indicator lampshade mounting frame plastic.
Scheme as a further improvement on the present invention, movable insert installing hole or the groove inwall of described core are arranged to taper face, and the installed surface of described movable insert is arranged to the taper face coordinated with the movable insert installing hole of core or groove inwall.
Scheme as a further improvement on the present invention, the installation site of the installation end of described movable insert or the movable insert installing hole of described core 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 comprises push rod gripper shoe, push rod gripper shoe is arranged on above secondary push plate and is also fixedly connected with it, and the bottom of described push rod and secondary push plate release link is fixedly mounted in secondary push plate by push rod gripper shoe.
Compared with prior art, this automobile indicator lampshade mounting frame injection mold is due in core, side core slider containment chamber and side core slide block is provided with near sprue puller through hole, briquetting on side core slide block and sprue puller is installed by the ramp structure laminating cooperatively interacted, side core slide block is connected with core by side extracting cartridge spring, briquetting is provided with the sub-sprue puller for releasing solidifying material, and push away membrane module and comprise a push pedal and secondary push plate, when die sinking and matched moulds, a push pedal is being pressed close to secondary push plate or is being made the movement of side core slide block realize side core-pulling and reset by moving up and down of sprue puller in separation process, sprue puller so arranges and can realize releasing the solidifying material of sprue, the reset of interior side-drawing mechanism side core slide block can be realized again, therefore be easy to realize intensive hole, the side core-pulling of buckle and muscle structure, the setting of a push pedal guide pillar can be that mobile guide, supporting and location secondary push plate are carried out in a push pedal, can limit again the release distance of a push pedal, thus ensure that the reliability of inner side core-pulling work, meanwhile, due to the setting of side core slide block, briquetting and sub-sprue puller, because this reducing Mould Machining difficulty, to manufacture and easy to maintenance, and ensureing smooth die sinking, in addition, the side core slide block arranged with core split and briquetting are convenient to change, and improve the mold use life-span, and then ensure the precision of plastic, and mould maintenance cost is lower, owing to being provided with the movable insert of Split type structure, therefore can realize in inner chamber with the local injection mo(u)lding of the plastic of the labyrinths such as contrary with die sinking direction, that size is less vertical hole, button limit or muscle, be specially adapted to this kind of overall volume of automobile indicator lampshade mounting frame comparatively large but there is the isostructural complicated plastic of dense holes, buckle and muscle.
Accompanying drawing explanation
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 a mould two cavity configuration schematic diagram of mould of the present invention;
Fig. 4 is the A-A sectional view of Fig. 3;
Fig. 5 is the B-B sectional view of Fig. 3;
Fig. 6 is that the I of Fig. 4 is to partial enlarged view.
In figure: 1, cover half assembly, 11, top clamping plate, 111, sprue bush, 12, solid plate, 121, guide pin bushing, 13, die cavity, 2, dynamic model assembly, 21, Bottom clamp plate, 211, injection machine push-rod hole, 22, dynamic model gripper shoe, 23, moving platen, 231, guide pillar, 24, core, 241, side core slide block, 242, side extracting cartridge spring, 243, movable insert, 3, push away membrane module, 31, a push pedal, 32, secondary push plate, 33, ejector guide pillar, 34, a push pedal guide pillar, 35, secondary push plate guide pillar, 36, push rod, 37, a push pedal release link, 38, secondary push plate release link, 39, sprue puller, 391, briquetting, 392, sub-sprue puller.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
For automobile indicator lampshade mounting frame plastic as shown in Figure 1 and Figure 2, this plastic is unsymmetric structure, irregularly shaped more, comprise the structures such as inclined-plane, curved surface, cylinder, hole, muscle, the top that lamp installation hole and power line penetrate the pore structures such as hole has the supporting construction of protrusion, plastic groove on the whole and hole size shape differ, global shape complex structure, the not easily demoulding.
According to the position characteristics of the shape of plastic and each hole, supporting construction, adopt a mould two chamber layout must consider loosing core of loosing core of hole on plastic outer wall and the supporting construction above pore structure, as shown in Figures 3 to 5, this automobile indicator lampshade mounting frame injection mold comprises cover half assembly 1, dynamic model assembly 2 and pushes away membrane module 3 (below with the direction of cover half assembly 1 on whole mould for top describes).
Described cover half assembly 1 comprises top clamping plate 11, solid plate 12 and die cavity 13;
Top clamping plate 11 upper surface center is provided with sprue bush 111 hard-wired with it and centring ring, and centring ring is arranged on above sprue bush 111, for carrying out guide-localization to the injection molding gun of injection machine;
Solid plate 12 is that centre has the thick plate structure installing cavity, and its upper surface is fixedly connected with the lower surface of top clamping plate 11 and it installs empty cavity position Central Symmetry in the position of sprue bush 111; Solid plate 12 be provided be fixedly connected with it, the vertical guide pin bushing 121 running through solid plate 12 up and down;
Die cavity 13 coordinates with the installation cavity size in the middle of solid plate 12 and is provided at its inner portion, and the upper surface of die cavity 13 is fixedly connected with the lower surface of top clamping plate 11, the upper surface of die cavity 13 or the lower surface of top clamping plate 11 are provided with the main running channel that is communicated with sprue bush 111 and shunt running channel; The lower surface of die cavity 13 is arranged to the surface texture identical with the outer surface part appearance and size of automobile indicator lampshade mounting frame plastic; Shunting running channel extends downwardly through die cavity 13, and conveniently solidifying material takes out, and the shunting running channel through die cavity 13 is the pyramidal structure that lower end is little, upper end is large.
Described dynamic model assembly 2 comprises Bottom clamp plate 21, dynamic model gripper shoe 22, moving platen 23 and core 24;
Bottom clamp plate 21 is provided with injection machine push-rod hole 211, it is inner that injection machine push rod heads into dynamic model assembly 2 by injection machine push-rod hole 211;
Dynamic model gripper shoe 22 at least arranges two pieces, and symmetry is fixedly installed on the upper surface of Bottom clamp plate 21;
Moving platen 23 is erected in dynamic model gripper shoe 22 and is also fixedly connected with it, and the position of the installation cavity of the corresponding solid plate 12 of upper surface of moving platen 23 is provided with indent step; On moving platen 23, the position of corresponding guide pin bushing 121 is provided with the guide pillar 231 being fixedly connected with moving platen 23, coordinating with guide pin bushing 121 internal diameter size, and guide pillar 231 penetrates in guide pin bushing 121, play the guiding role with during 2 die sinking of dynamic model assembly at cover half assembly 1; Moving platen 23 is also provided with release link through hole, sprue puller through hole and push rod through hole, release link through hole is arranged perpendicular to moving platen 23, be arranged on the upper surface of moving platen 23, and sprue puller through hole and push rod through hole all arrange perpendicular to moving platen 23 and be all arranged on the indent step of moving platen 23;
Core 24 coordinates with the indent step dimension of moving platen 23 and fixedly mounts therein, and the surface texture identical with the inner surface portion appearance and size of automobile indicator lampshade mounting frame plastic is arranged in corresponding die cavity 13 position of upper surface of core 24; The push rod through hole of moving platen 23 upwards extends through core 24; The sprue puller through hole of moving platen 23 upwards extends and is communicated with shunting running channel; In core 24, near sprue puller through hole, be provided with side core slider containment chamber and side core slide block 241, side core slider containment chamber and sprue puller through hole through, side core slide block 241 is arranged in side core slider containment chamber by side extracting cartridge spring 242 dimensional fits, side core slide block 241 is provided with ramp structure towards one end of sprue puller through hole, and one end that side core slide block 241 deviates from sprue puller through hole is provided with the surface texture identical with the inner surface portion appearance and size of automobile indicator lampshade mounting frame plastic;
Described solid plate 12 and/or moving platen 23 are also provided with cooling water pipe joint, and cooling water pipe joint is communicated with the cooling-water duct of through solid plate 12, die cavity 13 and/or moving platen 23, core 24 inside.
The described membrane module 3 that pushes away comprises a push pedal 31, secondary push plate 32, ejector guide pillar 33, 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;
A push pedal 31 and secondary push plate 32 superposition are arranged on frame-type inside configuration that dynamic model gripper shoe 22 surrounds and secondary push plate 32 is arranged on the top of a push pedal 31;
Ejector guide pillar 33 is set to more than one piece, is vertically respectively fixedly connected with it through a push pedal 31 and secondary push plate 32;
Push pedal guide pillar 34 is with ejector guide pillar 33 dimensional fits and penetrate in ejector guide pillar 33, one time push pedal guide pillar 34 is arranged 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, and one time push pedal guide pillar 34 leads for moving a push pedal 31 during die sinking;
Secondary push plate guide pillar 35 is with ejector guide pillar 33 dimensional fits and penetrate in ejector guide pillar 33, secondary push plate guide pillar 35 two ends are fixedly connected on Bottom clamp plate 21 and moving platen 23 respectively, and secondary push plate guide pillar 35 leads for moving a push pedal 31 and secondary push plate 32 during die sinking;
Push rod 36 coordinates with the push rod clear size of opening of moving platen 23, and a push pedal release link 37 and secondary push plate release link 38 coordinate with the release link clear size of opening of moving platen 23, push rod 36 is fixedly mounted on secondary push plate 32 just on the push rod through hole of moving platen 23 and the position of release link through hole with the bottom of secondary push plate release link 38 is vertical respectively, the top of push rod 36 penetrates in the push rod through hole of moving platen 23 and core 24, the top of secondary push plate release link 38 penetrates in the release link through hole of moving platen 23, the bottom of a push pedal release link 37 is vertically fixedly mounted on the position of a push pedal 31 just to the release link through hole of moving platen 23, the top of a push pedal release link 37 is passed the ejector guide pillar 33 in secondary push plate 32 and penetrates in the release link through hole of moving platen 23,
Sprue puller 39 coordinates with the sprue puller clear size of opening of moving platen 23, the bottom of sprue puller 39 is vertically fixedly mounted on the position of a push pedal 31 just to the sprue puller through hole of moving platen 23, the top of sprue puller 39 is through secondary push plate 32, penetrate in the sprue puller through hole of moving platen 23 and core 24, the top being positioned at the sprue puller 39 of the position, side core slider containment chamber of core 24 is also provided with the briquetting 391 and sub-sprue puller 392 that are fixedly connected with it, briquetting 391 is provided with towards the position of side core slide block 241 and coordinates and the ramp structure of fitting with it with the ramp structure of side core slide block 241, the bottom of sub-sprue puller 392 is fixedly mounted on briquetting 391, the top of sub-sprue puller 392 is provided with " Z " font step or swallow-tail form step, for the injection molding material after fixedly solidifying.
This automobile indicator lampshade mounting frame injection mold is when matched moulds state, as shown in Figure 4, Figure 5, cover half assembly 1 and dynamic model assembly about 2 combine, the now lower surface of solid plate 12 and the upper surface laminating of moving platen 23, push away the lower end that a push pedal 31 of membrane module 3 and secondary push plate 32 are positioned at the frame-type structure that two pieces dynamic model gripper shoe 22 surrounds, a push pedal release link 37 and secondary push plate release link 38 upper end lean on core 24 through release link through hole; The ramp structure of side core slide block 241 is positioned at illustrated left location by briquetting 391 extruding, side extracting cartridge spring 242 is in compressive state; The left side of the lower surface of die cavity 13, the upper surface of core 24 and side core slide block 241 surrounds the injection moulding body cavity of automobile indicator lampshade mounting frame plastic jointly.
This automobile indicator lampshade mounting frame injection mold can be taked horizontal installation or vertically be arranged on horizontal or vertical injection molding machine, below describe and be installed as example with vertical, before injection moulding work, first by this automobile indicator lampshade mounting frame injection mold clamping under matched moulds state on injection machine, the Bottom clamp plate 21 of dynamic model assembly 2 is fixedly mounted on lathe moving platen, and make injection machine push-rod hole 211 align injection machine push rod on lathe moving platen, the top clamping plate 11 of cover half assembly 1 is fixedly mounted on lathe solid plate, cooling water pipe joint on solid plate 12 and/or moving platen 23 is connected cooling water source.
Injection moulding is carried out when foregoing matched moulds state, as shown in Figure 4, injection molding material with pressure is squeezed in this automobile indicator lampshade mounting frame injection mold through sprue bush 111, under the effect of injection pressure, injection molding material is full of rapidly the lower surface by die cavity 13, the upper surface of core 24 and the left side of side core slide block 241 surround the injection moulding body cavity of automobile indicator lampshade mounting frame plastic jointly, now the ramp structure of side core slide block 241 right side is resisted injection pressure and is remained on positioning states under the squeezing action of the briquetting 391 of sprue puller 39, pump pressure is stopped when injection pressure reaches setting pressure, the cooling water of die cavity 13 and core 24 inside immediately circulating cooling carries out fast cooling to die cavity 13 and core 24, the injection molding material in body cavity and quick solidification shaping.
Die sinking feeding is carried out: start injection machine lathe and make lathe moving platen move down die sinking after injection molding material coagulation forming, dynamic model assembly 2 is followed lathe moving platen and is moved straight down under the guide effect of guide pillar 231, i.e. I-I die joint somatotype as shown in Figure 4, namely the solidifying material in sprue bush 111 is drawn out.
After injection machine lathe moving platen is displaced downwardly to setpoint distance, injection machine push rod ejects on lathe moving platen, lean in the push pedal 31 pushing away membrane module 3 through injection machine push-rod hole 211, injection machine push rod continues to eject, shift to secondary push plate 32 on a push pedal 31 is vertical under the guide effect of a push pedal guide pillar 34 to press close to, press close to sprue puller 39 in process to follow a push pedal 31 moves and make briquetting 391 moves, side extracting cartridge spring 242 discharges elastic force, namely side core slide block 241 has moved right the side core-pulling in the inner direction to the right of plastic under the effect of ramp structure and side extracting cartridge spring 242, solidifying material in shunting running channel is released by sub-sprue puller 392 simultaneously, and solidifying material directly takes off by operating personnel.
After the upper surface of a push pedal 31 and the lower surface of secondary push plate 32 are fitted, injection machine push rod continues to eject, move on a push pedal 31 and secondary push plate 32 are synchronous under the guide effect of secondary push plate guide pillar 35, push pedal release link 37, secondary push plate release link 38 and a push rod 36 stretch out in Self-resetting rod through-hole and push rod through hole respectively, push rod 36 is released disengaging core 24 by shaping plastic entirety and is completed backform action, and shaping plastic directly takes off by operating personnel.
When to take off after shaping plastic again matched moulds, in the first retraction lathe of injection machine push rod, then lathe moving platen moves and dynamic model assembly 2 and cover half assembly 1 are fitted, in matched moulds process, a push pedal release link 37 and secondary push plate release link 38 drive push pedal 31, secondary push plate 32, push rod 36 and a sprue puller 39 synchronously to be pushed back to original state by solid plate 12 under the guide effect of guide pillar 231; The right side ramp structure of its ramp structure squeeze side core slide block 241 in briquetting 391 folding process of sprue puller 39, makes side core slide block 241 be moved to the left compressed side extracting cartridge spring 242, and then makes dynamic model assembly 2 and cover half assembly 1 accurately involutory, completes mould assembling action.
For in automobile indicator lampshade mounting frame plastic inner chamber with labyrinths such as the button limit vertical hole contrary with die sinking direction or muscle, because the less and position of size is usually compacter, a directly die sinking that is vertical or horizontal direction is not easily taked to realize loosing core, scheme as a further improvement on the present invention, as shown in Figure 6, described core 24 is also provided with movable insert installing hole or groove and movable insert 243, the installation direction of movable insert installing hole or groove is identical with die sinking direction, movable insert 243 is movably arranged in movable insert installing hole or groove, the exposed junction of movable insert 243 is arranged to the surface texture identical with the inner surface portion appearance and size of automobile indicator lampshade mounting frame plastic, there is due to vertical hole or muscle the labyrinths such as the button limit contrary with die sinking direction, during die sinking, movable insert 243 the movable insert installing hole or groove that synchronously pushed away from core 24 by plastic hook, only matched moulds need be carried out again by reinstalling after movable insert 243 self-forming plastic takes off in the movable insert installing hole of core 24 or groove when shaping plastic directly takes off by operating personnel.
Follow shaping plastic when die sinking smoothly for the ease of movable insert 243 and depart from core 24, scheme as a further improvement on the present invention, movable insert installing hole or the groove inwall of described core 24 are arranged to taper face, and the installed surface of described movable insert 243 is arranged to the taper face coordinated with the movable insert installing hole of core 24 or groove inwall.
Because vibrations or other reasons cause its position to change when being movably arranged in the movable insert installing hole of core 24 or groove to prevent movable insert 243, and then cause plastic parts moulding weak effect, even produce waste product, scheme as a further improvement on the present invention, the installation end of described movable insert 243 or the movable insert installing hole of described core 24 or the installation site of groove are provided with magnetic material coating, and magnetic material coating can carry out absorption to movable insert 243 and locate after installation movable insert 243.
Conveniently process and change, and ensure that push rod 36 and secondary push plate release link 38 to be accurately positioned in secondary push plate 32 and to be firmly fixedly connected with secondary push plate 32, as shown in Figure 4, Figure 5, scheme as a further improvement on the present invention, the described membrane module 3 that pushes away also comprises push rod gripper shoe, push rod gripper shoe is arranged on above secondary push plate 32 and is also fixedly connected with it, and described push rod 36 and the bottom of secondary push plate release link 38 are fixedly mounted in secondary push plate 32 by push rod gripper shoe.
This automobile indicator lampshade mounting frame injection mold is due in core 24, side core slider containment chamber and side core slide block 241 is provided with near sprue puller through hole, briquetting 391 on side core slide block 241 and sprue puller 39 is installed by the ramp structure laminating cooperatively interacted, side core slide block 241 is connected with core 24 by side extracting cartridge spring 242, briquetting 391 is provided with the sub-sprue puller 392 for releasing solidifying material, and push away membrane module 3 and comprise a push pedal 31 and secondary push plate 32, when die sinking and matched moulds, a push pedal 31 is being pressed close to secondary push plate 32 or is being made the movement of side core slide block 241 realize side core-pulling and reset by moving up and down of sprue puller 39 in separation process, sprue puller 39 so arranges and can realize releasing the solidifying material of sprue, the reset of interior side-drawing mechanism side core slide block 241 can be realized again, therefore be easy to realize intensive hole, the side core-pulling of buckle and muscle structure, the setting of a push pedal guide pillar 34 can be that mobile guide, supporting and location secondary push plate 32 are carried out in a push pedal 31, can limit again the release distance of a push pedal 31, thus ensure that the reliability of inner side core-pulling work, meanwhile, due to the setting of side core slide block 241, briquetting 391 and sub-sprue puller 392, because this reducing Mould Machining difficulty, to manufacture and easy to maintenance, and ensureing smooth die sinking, in addition, the side core slide block 241 arranged with core 24 split and briquetting 391 are convenient to change, and improve the mold use life-span, and then ensure the precision of plastic, and mould maintenance cost is lower, owing to being provided with the movable insert 243 of Split type structure, therefore can realize in inner chamber with the local injection mo(u)lding of the plastic of the labyrinths such as contrary with die sinking direction, that size is less vertical hole, button limit or muscle, be specially adapted to this kind of overall volume of automobile indicator lampshade mounting frame comparatively large but there is the isostructural complicated plastic of dense holes, buckle and muscle.
Claims (5)
1. an automobile indicator lampshade mounting frame injection mold, comprises cover half assembly (1), dynamic model assembly (2) and pushes away membrane module (3), it is characterized in that,
Described cover half assembly (1) comprises top clamping plate (11), solid plate (12) and die cavity (13);
Top clamping plate (11) upper surface center is provided with sprue bush hard-wired with it (111) and centring ring, and centring ring is arranged on sprue bush (111) top;
Solid plate (12) is that centre has the thick plate structure installing cavity, and its upper surface is fixedly connected with the lower surface of top clamping plate (11) and it installs empty cavity position Central Symmetry in the position of sprue bush (111); Solid plate (12) be provided be fixedly connected with it, the vertical guide pin bushing (121) running through solid plate (12) up and down;
Die cavity (13) coordinates with the installation cavity size in the middle of solid plate (12) and is provided at its inner portion, and the upper surface of die cavity (13) is fixedly connected with the lower surface of top clamping plate (11), the upper surface of die cavity (13) or the lower surface of top clamping plate (11) are provided with the main running channel that is communicated with sprue bush (111) and shunt running channel; The lower surface of die cavity (13) is arranged to the surface texture identical with the outer surface appearance and size of automobile indicator lampshade mounting frame plastic; Shunting running channel extends downwardly through die cavity (13);
Described dynamic model assembly (2) comprises Bottom clamp plate (21), dynamic model gripper shoe (22), moving platen (23) and core (24);
Bottom clamp plate (21) is provided with injection machine push-rod hole (211);
Dynamic model gripper shoe (22) at least arranges two pieces, and symmetry is fixedly installed on the upper surface of Bottom clamp plate (21);
Moving platen (23) is erected at dynamic model gripper shoe (22) and is above also fixedly connected with it, and the position of the installation cavity of the corresponding solid plate (12) of upper surface of moving platen (23) is provided with indent step; The position of the upper corresponding guide pin bushing (121) of moving platen (23) is provided with the guide pillar (231) being fixedly connected with moving platen (23), coordinating with guide pin bushing (121) internal diameter size, and guide pillar (231) penetrates in guide pin bushing (121); Moving platen (23) is also provided with release link through hole, sprue puller through hole and push rod through hole, release link through hole is arranged perpendicular to moving platen (23), be arranged on the upper surface of moving platen (23), and sprue puller through hole and push rod through hole all arrange perpendicular to moving platen (23) and be all arranged on the indent step of moving platen (23);
Core (24) coordinates with the indent step dimension of moving platen (23) and fixedly mounts therein, and the surface texture identical with the inner surface portion appearance and size of automobile indicator lampshade mounting frame plastic is arranged in corresponding die cavity (13) position of upper surface of core (24); The push rod through hole of moving platen (23) upwards extends through core (24); The sprue puller through hole of moving platen (23) upwards extends and is communicated with shunting running channel; In core (24), near sprue puller through hole, be provided with side core slider containment chamber and side core slide block (241), side core slider containment chamber and sprue puller through hole through, side core slide block (241) is arranged in side core slider containment chamber by side extracting cartridge spring (242) dimensional fits, side core slide block (241) is provided with ramp structure towards one end of sprue puller through hole, and one end that side core slide block (241) deviates from sprue puller through hole is provided with the surface texture identical with the inner surface portion appearance and size of automobile indicator lampshade mounting frame plastic;
Described solid plate (12) and/or moving platen (23) are also provided with cooling water pipe joint, and cooling water pipe joint is communicated with the cooling-water duct of through solid plate (12), die cavity (13) and/or moving platen (23), core (24) inside;
The described membrane module (3) that pushes away comprises push pedal (31), secondary push plate (32), ejector guide pillar (33), 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);
A push pedal (31) and secondary push plate (32) superposition are arranged on frame-type inside configuration that dynamic model gripper shoe (22) surrounds and secondary push plate (32) is arranged on the top of a push pedal (31);
Ejector guide pillar (33) is set to more than one piece, is vertically respectively fixedly connected with it through push pedal (31) with secondary push plate (32);
One time push pedal guide pillar (34) is arranged between a push pedal (31) and secondary push plate (32), push pedal guide pillar (34) is with ejector guide pillar (33) dimensional fits and penetrate in ejector guide pillar (33), its top leans secondary push plate (32), and its bottom is fixedly installed in Bottom clamp plate (21);
Secondary push plate guide pillar (35) and ejector guide pillar (33) dimensional fits also penetrate in ejector guide pillar (33), and secondary push plate guide pillar (35) two ends are fixedly connected on Bottom clamp plate (21) and moving platen (23) respectively;
Push rod (36) coordinates with the push rod clear size of opening of moving platen (23), and a push pedal release link (37) and secondary push plate release link (38) coordinate with the release link clear size of opening of moving platen (23), push rod (36) is fixedly mounted on secondary push plate (32) just on the push rod through hole of moving platen (23) and the position of release link through hole with the bottom of secondary push plate release link (38) is vertical respectively, the top of push rod (36) penetrates in the push rod through hole of moving platen (23) and core (24), the top of secondary push plate release link (38) penetrates in the release link through hole of moving platen (23), the bottom of a push pedal release link (37) is vertically fixedly mounted on push pedal (31) position just to the release link through hole of moving platen (23), the top of a push pedal release link (37) is passed the ejector guide pillar (33) in secondary push plate (32) and penetrates in the release link through hole of moving platen (23),
Sprue puller (39) coordinates with the sprue puller clear size of opening of moving platen (23), the bottom of sprue puller (39) is vertically fixedly mounted on push pedal (31) position just to the sprue puller through hole of moving platen (23), the top of sprue puller (39) is through secondary push plate (32), penetrate in the sprue puller through hole of moving platen (23) and core (24), the top being positioned at the sprue puller (39) of the position, side core slider containment chamber of core (24) is also provided with the briquetting (391) and sub-sprue puller (392) that are fixedly connected with it, briquetting (391) is provided with towards the position of side core slide block (241) and coordinates and the ramp structure of fitting with it with the ramp structure of side core slide block (241), 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 characterized in that, described core (24) is also provided with movable insert installing hole or groove and movable insert (243), the installation direction of movable insert installing hole or groove is identical with die sinking direction, movable insert (243) is movably arranged in movable insert installing hole or groove, and the exposed junction of movable insert (243) is arranged to the surface texture identical with the inner surface portion appearance and size of automobile indicator lampshade mounting frame plastic.
3. automobile indicator lampshade mounting frame injection mold according to claim 2, it is characterized in that, movable insert installing hole or the groove inwall of described core (24) are arranged to taper face, and the installed surface of described movable insert (243) is arranged to the taper face coordinated with the movable insert installing hole of core (24) or groove inwall.
4. automobile indicator lampshade mounting frame injection mold according to claim 2, it is characterized in that, the installation end of described movable insert (243) or the movable insert installing hole of described core (24) or the installation site of groove are provided with magnetic material coating.
5. automobile indicator lampshade mounting frame injection mold according to claim 1 and 2, it is characterized in that, the described membrane module (3) that pushes away also comprises push rod gripper shoe, push rod gripper shoe is arranged on secondary push plate (32) top and is fixedly connected with it, and described push rod (36) and the bottom of secondary push plate release link (38) are fixedly mounted in secondary push plate (32) by push rod gripper shoe.
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| CN201510998258.XA CN105415601B (en) | 2015-12-28 | 2015-12-28 | A kind of automobile indicator lampshade mounting frame injection mold |
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| CN201510998258.XA CN105415601B (en) | 2015-12-28 | 2015-12-28 | A kind of automobile indicator lampshade mounting frame injection mold |
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| CN107599325A (en) * | 2017-09-14 | 2018-01-19 | 上海小糸车灯有限公司 | A kind of secondary ejecting mechanism in lamp housing mould |
| CN109785728A (en) * | 2019-01-07 | 2019-05-21 | 金华职业技术学院 | A kind of general style big water gap teaching mould bases of sliding block class |
| CN110239032A (en) * | 2019-07-12 | 2019-09-17 | 上海普锐赛司实业有限公司 | A kind of light bulb die for processing in LED lamp |
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| CN105415601B (en) | 2017-06-30 |
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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 |