CN207711268U - Injection molding for manufacturing front mudguard - Google Patents

Abstract

The utility model discloses a kind of injection moldings for manufacturing front mudguard, when solving clamping portion in molding front mudguard, the separation of cover half dynamic model can not be relied on to realize the problem of demoulding.Its key points of the technical solution are that including fixed half and moving half, dynamic model includes moving platen and ejecting mechanism, there is big convex module on moving platen, ejecting mechanism includes the movable push bar being arranged at big convex module and is installed on the core pulling apperance of movable push bar free end, and with the molding protrusion for being molded short slot at grab in core pulling apperance, moving platen, which is located at, offers the caulking groove disposed for core pulling apperance activity and the oblique guide hole communicated with caulking groove at big convex module, caulking groove has the notch appeared for molding protrusion, side and caulking groove of the core pulling apperance backwards to molding protrusion be respectively provided be bonded to each other slide inclined-plane and guiding surface, the specific pulled core structure of setting is reached, realize the structure at molding clamping portion, simultaneously convenient for the purpose of demoulding separation.

Description

Injection molding for manufacturing front mudguard

Technical field

The utility model is related to injection molding fields, more specifically, being related to a kind of injection for manufacturing front mudguard Mold.

Background technology

Mold is exactly a model, and product is made according to this model, is with injection molding in industrial production, blowing, squeezes Go out, die casting or the methods of forging forming, smelting, punching press obtain the various moulds and tool of required product.This tool is by various Part is constituted, and different molds is made of different parts.It is mainly realized by the change of physical state of the formed material The processing of article shape.Modern society, mold play an irreplaceable role in we live, the big portion of daily necessities Not mold, such as computer, telephone set, facsimile machine, keyboard, cup plasthetics is detached, in addition as most of in motorcycle Shell is also to be worked it out with mold, and the effect of mold is irreplaceable, and mold, such as motor are be unable to do without as long as batch production Front mudguard on vehicle drives the wet mud on ground to splash for preventing rainy day front-wheel from rolling.

As shown in Fig. 1, a kind of front mudguard 9 is installed on the upside of front-wheel in motorcycle, including symmetrically arranged left half Portion and right side, the both ends of the left side/right side are installation end 9a and gear mud end 9b, the left side and right side A clamping portion 91 is all had at installation end 9a, the clamping portion 91 includes grab 911 and the position for being located at 9 inside of front mudguard There are one limit apex angle 9121, and the grab for tool at where the limiting plate 912 of 911 back side of grab, the limiting plate 912 The short slot 9111 of adjustment 911 wall thickness of grab is offered in 911 towards the side of limiting plate 912.

The injection molding difficult point of the front mudguard is at clamping portion, because grab is located at the lower section of limiting plate and is located at front mudguard Inside, the direction of short slot towards limiting plate, then to be convenient for demoulding at short slot when, then the chipware of molding short slot can not be made towards limit Position plate direction movement, to which the separation of cover half dynamic model can not be relied on to realize demoulding, it is therefore desirable to one kind have be suitable for molding and Demould the injection molding of this product.

Utility model content

The purpose of this utility model is to provide a kind of injection molding for manufacturing front mudguard, and specific core pulling knot is arranged Structure realizes the structure at molding clamping portion, while convenient for demoulding separation.

The above-mentioned technical purpose of the utility model technical scheme is that：One kind is for manufacturing front The injection molding of mud plate, including fixed half and moving half, the dynamic model include moving platen and are arranged in the ejecting mechanism of moving platen, It includes being arranged at big convex module to have the big convex module of molding front mudguard inner surface, the ejecting mechanism on the moving platen Movable push bar and be installed on movable push bar free end and for be molded in front mudguard limit apex angle core pulling apperance, and There is the molding protrusion for being molded in front mudguard short slot at grab, the moving platen to be located at big punch-pin in the core pulling apperance The caulking groove disposed for core pulling apperance activity is offered at block and the oblique guide hole worn for movable push bar is communicated with caulking groove, it is described There is caulking groove the notch appeared for molding protrusion, the core pulling apperance to be respectively provided with mutually with caulking groove backwards to the side of molding protrusion It is bonded and slides inclined-plane and guiding surface each parallel to oblique guide hole axial direction.

By using above-mentioned technical proposal, the ejecting mechanism of dynamic model includes movable push bar and the pumping fixed with movable push bar Core model sample, the clamping portion that core pulling apperance is used to be molded in front mudguard, and oblique guide hole and guiding surface are set, consequently facilitating releasing Mechanism is during pusher so that has one between the direction that the sliding trajectory and ejecting mechanism of core pulling apperance are moved to cover half A angle, avoiding core pulling apperance, movement leads to the damage for limiting vertex in the same direction with other ejecting mechanisms, and caulking groove is arranged and lacks Mouthful, convenient for core pulling apperance reset and ensure the acting surface of core pulling apperance towards the cavity in mold, setting is slided inclined-plane, is convenient for The sliding of core pulling apperance is realized by the way that core pulling apperance to be fixed on the different movable push bar of movement locus at molding clamping portion Structure, while convenient for demoulding separation.

The utility model be further disposed in, the cover half includes solid plate, have on the solid plate with it is big convex For module corresponding matching to be molded the big cavity plate slot of installation end in front mudguard, the caulking groove has the sliding slid for core pulling apperance Chamber, and the solid plate is located at the stop for being detachably equipped with and being inserted into slid chamber to hinder core pulling apperance to slide at big cavity plate slot Block.

By using above-mentioned technical proposal, slid chamber slides for core pulling apperance, it is meant that the volume of core pulling apperance is less than embedding The volume of slot, then the machining accuracy of caulking groove inner wall need to be bonded by reducing core pulling apperance, while being arranged and being inserted into caulking groove at slid chamber Scotch, and scotch is filled up completely caulking groove with the cooperation of core pulling template, therefore even if the medium-sized intracavitary of mold is flowed because of plastic melt Larger internal pressure is generated, scotch remains to limitation core pulling apperance and ejecting mechanism is driven to be moved to cavity direction, so that it is guaranteed that front Mud plate inner wall it is smooth.

Being further disposed at for the utility model is removably connected to movable push bar in, the core pulling apperance, and it is described only Motion block offers the mounting hole worn for bolt to be fixed at guiding surface/solid plate.

By using above-mentioned technical proposal, core pulling apperance is detachable, consequently facilitating the maintenance in core pulling apperance later stage is replaced, together When mounting hole is set, so that scotch is first installed in slid chamber, and then limit the connection between core pulling apperance and movable push bar Degree, it is ensured that correct position of the core pulling apperance in molding in caulking groove.

The utility model is further disposed in the cunning that, the ejecting mechanism includes push plate and is fixed in push plate Seat, the movable push bar are fixedly connected with that there are one the connection components that are slidably connected with slide, and the slide is offered for connection The T-slot of component sliding.

By using above-mentioned technical proposal, slide is set and movable push bar is installed in push plate by connection component, to live Dynamic push rod is not moved with ejecting mechanism Integral synchronous but in the same direction, by T-slot so as to movable push bar under the action of oblique guide hole It slides in slide, to drive the sliding of core pulling apperance, is demoulded convenient for front mudguard.

The utility model be further disposed in, the connection component include the pedestal that is fixedly connected with movable push bar with And the sliding block of T-slot both sides is connect and is placed in base rotation, the both sides of the pedestal, which have, is inserted into sliding shaft in the block.

By using above-mentioned technical proposal so that movable push bar can both be slided along the T-slot in slide, while can also be driven Core pulling apperance is rotated using the axis of shaft as the center of circle so that core pulling apperance is loosened when being detached with front mudguard, is avoided Front mudguard is damaged in separation by the pulling force of core pulling apperance.

The utility model is further disposed in interior be embedded with of the oblique guide hole is worn for movable push bar so that activity pushes away There are the sliding sleeves in gap between bar and oblique guide hole.

By using above-mentioned technical proposal, setting sliding sleeve to prevent from living there are gap between movable push bar and oblique guide hole Dynamic push rod is worn during open mold repeatedly, while so that movable push bar loosens in oblique guide hole.

The utility model is further disposed at before, the solid plate and moving platen are respectively provided with corresponding matching to be molded The small punch block at mud end and small cavity plate slot are kept off in mud guard.

By using above-mentioned technical proposal so that the die joint of the mold is located at the middle part of front mudguard, rationally adjustment modeling Expect the distance of melt flows, improves the quality of front mudguard after injection molding.

The utility model is further disposed in being installed with the joint place of solid plate on the moving platen multiple Elastic buffer block.

By using above-mentioned technical proposal, when setting elastic buffer block avoids dynamic model and cover half from molding, moving platen and cover half Plate is hit, and then postpones the service life of mold.

The utility model is further disposed in being respectively fixed on the solid plate and moving platen and be mutually inserted cooperation Positioning concave block and locating convex block.

By using above-mentioned technical proposal, located concave block and locating convex block it is mating, to position dynamic model and fixed The molding of mould.

Description of the drawings

Fig. 1 is a kind of schematic diagram of front mudguard in the prior art；

Fig. 2 is the schematic diagram of the utility model；

Fig. 3 is the exploded view of the utility model；

Fig. 4 is the exploded view of part ejecting mechanism in the utility model；

Fig. 5 is the schematic diagram inside solid plate in the utility model；

Fig. 6 is signal when core pulling apperance being installed on movable push bar using scotch at moving platen in the utility model Figure；

Fig. 7 is the enlarged drawing at A in Fig. 6.

In figure, 1, moving platen；11, big convex module；12, small cavity plate slot；13, caulking groove；131, notch；132, guiding surface； 133, slid chamber；14, locating convex block；2, solid plate；21, big cavity plate slot；22, small punch block；23, concave block is positioned；3, kickoff mechanism Structure；31, push plate；32, push rod group；41, movable push bar；42, core pulling apperance；421, it is molded protrusion；422, inclined-plane is slided；43, sliding Seat；431, T-slot；44, connection component；441, pedestal；4411, shaft；442, sliding block；5, scotch；51, mounting hole；6, sliding Set；7, elastic buffer block；81, Bottom clamp plate；82, top clamping plate；9, front mudguard；9a, installation end；9b, gear mud end；91, block Socket part；911, grab；9111, short slot；912, limiting plate；9121, apex angle is limited.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

Shown in such as Fig. 2, Fig. 3 and Fig. 5 and referring to Fig.1, a kind of injection molding for manufacturing front mudguard, including dynamic model and Cover half.Dynamic model includes the Bottom clamp plate 81, ejecting mechanism 3 and moving platen 1 arranged from the bottom to top, has on moving platen 1 and supplies Front mudguard 9 package be molded 9 inner surface of front mudguard big convex module 11 and small cavity plate slot 12, ejecting mechanism 3 include under Push plate fixed plate, push plate 31 and the push rod group 32 of supreme setting.Cover half includes the solid plate 2 of downside and the cover half seat of upside Plate 82 has the big cavity plate slot 21 and small punch block 22 of 9 outer surface of molding front mudguard on solid plate 2, and through big cavity plate slot 21 The cavity for being molded installation end 9a in front mudguard 9 is formed with being correspondingly arranged for big convex module 11, through small punch block 22 and small cavity plate Slot 12 is correspondingly arranged the cavity to form gear mud end 9b in molding front mudguard 9.

In conjunction with shown in Fig. 4, push rod group 32 includes two movable push bars 41, and the free end of movable push bar 41 is removable through screw It unloads and fixes there are one core pulling apperance 42, core pulling apperance 42 coordinates the clamping portion 91 that moving platen 1 is used to be molded in front mudguard 9, takes out The side vertex of core model sample 42 is used to be molded the inner wall that apex angle 9121 is limited in front mudguard 9, is located at the homonymy of the vertex Lower section is molded protrusion 421 for being molded in front mudguard 9 there are one the outer wall of grab 911 and tools, and molding protrusion 421 is for being molded Short slot 9111 on grab 911.There are one slide inclined-plane 422 to side tool of the core pulling apperance 42 backwards to molding protrusion 421.

There are one be fixed on the slide 43 in push plate 31, movable push bar through screw for the other end flexible connection of movable push bar 41 There are one the connection components 44 being fixedly connected with movable push bar 41, slide 43 to offer for connection component for tool between 41 and slide 43 The T-slot 431 of 44 horizontal slidings, consequently facilitating movable push bar 41 drives core pulling apperance 42 to move to the clamping with front mudguard 9 Portion 91 detach, connection component 44 include a pedestal 441 and two sliding blocks 442, pedestal 441 be fixedly connected with movable push bar 41 and Its both sides is symmetrically arranged with shaft 4411, and sliding block 442 has the jack being inserted into for shaft 4411, and sliding block 442 is placed in T-slot 431 both sides drive connection component 44 to be slid along the length direction of T-slot 431, so that movable push bar 41 both can be along slide T-slot 431 in 43 slides, while also core pulling apperance 42 can be driven to be rotated as the center of circle using the axis of shaft 4411 so that takes out Core model sample 42 is loosened when being detached with front mudguard 9, avoids front mudguard 9 in separation by the pulling force of core pulling apperance 42 And it damages.

It is located in conjunction with shown in 6 and Fig. 7, in moving platen 1 at 11 place of big convex module and opens up there are one caulking groove 13, caulking groove 13 supplies The 42 activity placement of core pulling apperance, there are one notches 131 for the side tool of caulking groove 13, and notch 131 in core pulling apperance 42 for being molded protrusion Appear at 421 places, the guiding surface 132 that there are one side tool of the caulking groove 13 far from notch 131 is bonded for sliding inclined-plane 422, And caulking groove 13 is located at guiding surface 132 slid chamber 133 there are one tools so that core pulling apperance 42 pushes edge to lead through movable push bar 41 It moves at slid chamber 133 to the direction on inclined-plane 132, and is detached with clamping portion 91 in the inside of front mudguard 9.

In conjunction with shown in Fig. 5, fixed there are one scotch 5 through screw at the big cavity plate slot 21 of solid plate 2, scotch 5 can be inserted Enter at the slid chamber 133 in caulking groove 13, and scotch 5 is filled up completely caulking groove 13 with the cooperation of core pulling template, is offered on scotch 5 One mounting hole 51 has internal thread in mounting hole 51, opened up on the guiding surface 132 of caulking groove 13 there are one with 51 phase of mounting hole Logical threaded hole, so as to which scotch 5 to be fixed on through screw in caulking groove 13.When the die is closed, scotch 5 is located at core pulling apperance 42 Backwards to the side of cavity, therefore even if the flowing of cavity internal cause plastic melt generates larger internal pressure, scotch 5 remains to limitation core pulling Apperance 42 drives ejecting mechanism 3 to be moved to cavity direction, so that it is guaranteed that 9 inner wall of front mudguard is smooth.

The bottom surface of caulking groove 13 is opened up there are one the oblique guide hole for extending to 1 bottom surface of moving platen, and oblique guide hole is worn for movable push bar 41 And if be parallel to and slide inclined-plane 422, be embedded in oblique guide hole there are two sliding sleeve 6, sliding sleeve 6 is worn for movable push bar 41, and sliding sleeve 6 is by rubber Glue material is made, wear-resisting and with elasticity so that movable push bar 41 and tiltedly between guide hole there are gaps, prevent movable push bar 41 wear during open mold repeatedly, while so that movable push bar 41 loosens in oblique guide hole.

The upper surface of moving platen 1 has multiple grooves, and groove is interior to be fixed with elastic buffer block 7, and elastic buffer through screw 7 part of block protrudes from the upper surface of moving platen 1, the distribution of elastic buffer block 7 and the joint place with solid plate 2 on moving platen 1.

Four sides of solid plate 2 are respectively fixedly mounted through screw there are one concave block 23 is positioned, and four sides of moving platen 1 are respectively solid through screw There are one locating convex blocks 14 for Dingan County's dress, and locating convex block 14 and positioning concave block 23 are mating, to position the conjunction of dynamic model and cover half Mould.

When using the utility model, core pulling apperance 42 and scotch 5 are placed in caulking groove 13 under molding state, and core pulling The molding protrusion 421 of apperance 42 is located at the notch 131 of caulking groove 13, the clamping portion 91 for being molded front mudguard 9, in die sinking shape Under state, dynamic model and cover half separation remove resistance of the scotch 5 to core pulling apperance 42, and ejecting mechanism 3 is moved towards cover half direction, then Movable push bar 41 moves under the action of oblique guide hole in slide 43, pushes core pulling apperance 42 along guiding surface 132 to far from scarce The direction movement of mouth 131, detaches with front mudguard 9 in the case where not destroying clamping portion 91, while pushing front to realize Mud plate 9 demoulds.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (9)

1. a kind of for manufacturing the injection molding of front mudguard, including fixed half and moving half, the dynamic model include moving platen (1) with And it is arranged in the ejecting mechanism (3) of moving platen (1), there is the big convex of molding front mudguard (9) inner surface on the moving platen (1) Module (11), it is characterised in that：The ejecting mechanism (3) include be arranged in movable push bar (41) at big convex module (11) and It is installed on movable push bar (41) free end and the core pulling apperance for being molded limit apex angle (9121) in front mudguard (9) (42), and in the core pulling apperance (42) there is the molding for being molded short slot (9111) at grab (911) in front mudguard (9) Protrusion (421), the moving platen (1) are located at the caulking groove offered at big convex module (11) for core pulling apperance (42) activity placement (13) and with caulking groove (13) the oblique guide hole worn for movable push bar (41) is communicated, the caulking groove (13) has for being molded protrusion (421) notch (131) appeared, the core pulling apperance (42) have backwards to the side of molding protrusion (421) with caulking groove (13) respectively Have and is bonded to each other and slides inclined-plane (422) and guiding surface (132) each parallel to oblique guide hole axial direction.

2. the injection molding according to claim 1 for manufacturing front mudguard, it is characterised in that：The cover half includes fixed Template (2) has with big convex module (11) corresponding matching to be molded installation end in front mudguard (9) on the solid plate (2) The big cavity plate slot (21) of (9a), the caulking groove (13) have the slid chamber (133) slid for core pulling apperance (42), and the cover half Plate (2), which is located at detachably to be equipped at big cavity plate slot (21), to be inserted into slid chamber (133) to hinder core pulling apperance (42) to slide Scotch (5).

3. the injection molding according to claim 2 for manufacturing front mudguard, it is characterised in that：The core pulling apperance (42) it is removably connected to movable push bar (41), and the scotch (5) is offered and worn for bolt to be fixed on guiding surface (132) mounting hole (51) at/solid plate (2).

4. the injection molding according to claim 1 for manufacturing front mudguard, it is characterised in that：The ejecting mechanism (3) include push plate (31) and the slide (43) being fixed in push plate (31), there are one the movable push bar (41) is fixedly connected The connection component (44) being slidably connected with slide (43), and the slide (43) offers the T shapes slid for connection component (44) Slot (431).

5. the injection molding according to claim 4 for manufacturing front mudguard, it is characterised in that：The connection component (44) include the pedestal (441) being fixedly connected with movable push bar (41) and with pedestal (441) be rotatablely connected and be placed in T-slot (431) sliding block (442) of both sides, the both sides of the pedestal (441) have the shaft (4411) being inserted into sliding block (442).

6. the injection molding according to claim 1 for manufacturing front mudguard, it is characterised in that：The oblique guide hole is embedded Equipped with being worn for movable push bar (41) so that there are the sliding sleeve in gap (6) between movable push bar (41) and oblique guide hole.

7. the injection molding according to claim 2 for manufacturing front mudguard, it is characterised in that：The solid plate (2) It is respectively provided with corresponding matching with moving platen (1) to be molded in front mudguard (9) the small punch block (22) of gear mud end (9b) and small recessed Die cavity (12).

8. the injection molding according to claim 1 for manufacturing front mudguard, it is characterised in that：The moving platen (1) Upper and solid plate (2) joint place is installed with multiple elastic buffer blocks (7).

9. the injection molding according to claim 2 for manufacturing front mudguard, it is characterised in that：The solid plate (2) With the positioning concave block (23) and locating convex block (14) for being mutually inserted cooperation are respectively fixed on moving platen (1).