CN221562161U - Automobile instrument board injection mold with slide block inner inclined top demoulding function - Google Patents

Abstract

The utility model provides an automobile instrument injection mold with interior oblique top drawing of patterns of slider, including cover half compound plate and movable mould compound plate, set up the die cavity mould under the cover half compound plate, set up the mandrel on the movable mould compound plate, constitute the die cavity between mandrel and the die cavity mould, the automobile instrument board of moulding plastics in the die cavity, be equipped with back-off assembly buckle on the automobile instrument board, set up the slide frame of loosing core outside the lateral wall of mandrel, slide in the mandrel and set up the slider of loosing core, the head system of the slider of loosing core has the buckle insert, the buckle insert cooperatees with the assembly buckle, set up the inclined guide hole on the slider of loosing core, set up the stopper in the afterbody of the slider of loosing core, set up the inclined ejector block in the head of slider of loosing core, the stopper is connected the inclined ejector block through the inclined ejector rod, the head of inclined ejector block cooperatees with the back-off, set up the stopper on the outer wall of die cavity mould, be equipped with the stopper straight face and loose core inclined plane cooperatees with the tail end of stopper, the inclined plane cooperatees with the outer wall of slider of loosing core, the inclined guide hole is connected with the inclined guide hole of loosing core under the stopper.

Description

Automobile instrument board injection mold with slide block inner inclined top demoulding function

Technical Field

The utility model relates to an automobile instrument board injection mold with a sliding block for demolding by inner inclined ejection, and belongs to the field of injection molds.

Background

The automobile instrument panel is a conventional decorative plastic part in an automobile and is usually processed by adopting an injection mold,

The instrument board that this scheme relates to, according to product structure and appearance analysis, both sides tip at the instrument board body all is equipped with the back-off, and is equipped with the assembly buckle on one side edge of back-off, when designing the mold processing, both need the demoulding structure of design back-off, need the demoulding structure of design buckle again, but in actual production, if adopt conventional demoulding structure, because the back-off is adjacent with the position of buckle, in limited mould inner space, the drawing of patterns action of both can take place to interfere, influences the drawing of patterns.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an automobile instrument panel injection mold with a slide block inner inclined top demoulding function, which adopts a combined demoulding structure with the slide block inner inclined top to enable a back-off buckle and a buckle to be smoothly separated.

The utility model relates to an automobile instrument board injection mold with a slide block inner inclined top demoulding function, which comprises the following technical scheme: including cover half compound board and movable mould compound board, set up the hot runner board under the cover half compound board, set up the die cavity mould under the hot runner board, set up the mould foot on the movable mould compound board, set up roof and lower roof between the mould foot, set up the mandrel on the mould foot, constitute the die cavity between mandrel and the die cavity mould, the motorcar instrument board of moulding plastics in the die cavity, the both sides tip of motorcar instrument board is equipped with the back-off, and is equipped with the assembly buckle on one side of back-off, set up the slide frame of loosing core outside the lateral wall of mandrel, set up the spout of loosing core in the mandrel, the spout of loosing core is corresponding with the slide frame of loosing core, slides in the spout of loosing core and sets up the slider of loosing core, and the head system of the slider of loosing core has the buckle insert, sets up oblique kicking block in the afterbody of slider of loosing core, sets up oblique kicking block in the head of slider, and the oblique kicking block is connected through oblique kicking block to the oblique kicking rod, the head of oblique kicking block cooperatees with the back-off, set up corresponding stop piece on the outer wall of die cavity mould, stop piece is equipped with the face of loosing core and inclined plane, and the straight guide arm of loosing core is cooperateed down with the guide arm.

According to the automobile instrument board injection mold with the sliding block inner inclined ejection demolding, when the mold is demolded, the mold core mold is driven to move downwards by the power of the injection molding machine, the mold core mold is opened with the cavity mold, the automobile instrument board is left on the mold core mold, in the mold opening process, the cavity mold and the stop block are not moved, the core pulling sliding block moves downwards, and slides outwards under the action of the inclined guide rod and the inclined guide hole, so that the buckle insert is pulled out of the assembly buckle, in the outward sliding process, the limiting block and the inclined ejector block arranged in the core pulling sliding block, due to the fact that the stop straight surface of the stop block limits the limiting block, the limiting block and the inclined ejector block can not slide outwards temporarily, but move downwards along with the mold opening action, so that the inclined ejector block is separated from the back buckle firstly, when the limiting block moves downwards to the core pulling inclined surface, the limiting block is separated along with the core pulling sliding block and the buckle insert outwards, the back buckle and the assembly buckle are completed, the mold is opened again, the top plate and the upper ejector plate is pushed reversely, and the top plate are pushed upwards, and the ejection structure (such as the top plate and the top plate) of the automobile instrument board ejector is pushed manually or finally, and the automobile instrument board ejector is taken out by a manipulator. The scheme adopts the slide block inner inclined ejection demoulding structure, skillfully utilizes mould opening power to realize the secondary actions of the slide block and the inclined ejection, solves the interference problem of back-off and assembly buckles, and has very beneficial positive effects.

According to the automobile instrument board injection mold with the inner inclined ejection demolding of the sliding block, the outer side wall of the core-pulling sliding block is provided with the inclined guide groove, the core-pulling inclined surface of the stop block is provided with the inclined guide strip, the inclined guide strip is matched with the inclined guide groove, and the inclined guide strip is matched with the inclined guide groove, so that the action is more stable when the core-pulling sliding block slides outwards to pull cores. The core-pulling sliding frame is internally provided with a clearance hole which is matched with the inclined guide rod, the stroke of the inclined guide rod is longer in an actual product, and the clearance hole is arranged in the core-pulling sliding frame for avoiding interference, so that the inclined guide rod is convenient to move.

Drawings

FIG. 1 is a schematic diagram of an injection mold for an automotive instrument panel with a slide block inner inclined top demolding structure;

FIG. 2 is a schematic diagram of a structure in which an inclined top is arranged in a core pulling sliding block;

FIG. 3 is a schematic view of a split type core pulling slide block with an inclined top.

Description of the embodiments

The utility model relates to an automobile instrument injection mold with a sliding block inner inclined ejection demoulding function, which comprises a fixed mold compound plate 1 and a movable mold compound plate 2, wherein a hot runner plate 3 is arranged below the fixed mold compound plate, a cavity mold 5 is arranged below the hot runner plate, a mold foot 6 is arranged on the movable mold compound plate, an upper top plate 7 and a lower top plate 8 are arranged between the mold feet, a core mold 9 is arranged on the mold foot, a mold cavity is formed between the core mold 9 and the cavity mold 5, an automobile instrument 10 is injected in the mold cavity, inverted buckles 11 are arranged at two side ends of the automobile instrument, an assembly buckle 12 is arranged on one side edge of the inverted buckles, a core pulling sliding frame 13 is arranged outside the side wall of the core mold 9, a core pulling sliding groove 15 is arranged in the core mold 9, the core pulling sliding groove 15 corresponds to the core pulling sliding frame 13, The core-pulling sliding groove is provided with a core-pulling sliding block 16 in a sliding way, the head part of the core-pulling sliding block is provided with a buckle insert 17, the buckle insert 17 is matched with the assembling buckle 12, the core-pulling sliding block is provided with an inclined guide hole 18, the tail part of the core-pulling sliding block is provided with a limiting block 19, the head part of the core-pulling sliding block is provided with an inclined jacking block 20, the limiting block 19 is connected with the inclined jacking block 20 through an inclined jacking rod 21, the head part of the inclined jacking block is matched with the back-off 11, the outer wall of the cavity die 5 is provided with a corresponding stop block 22, the stop block is provided with a stop straight surface 23 matched with a core-pulling inclined surface 24, the stop straight surface 23 is matched with the tail end of the limiting block 19, the core-pulling inclined surface 24 is matched with the outer wall of the core-pulling sliding block 16, The lower part of the stop block 22 is connected with an inclined guide rod 25, and the inclined guide rod 25 is matched with the inclined guide hole 18. During demolding, the movable core mold 9 is driven to move downwards by the power of the injection molding machine to open the mold with the cavity mold 5, the automobile instrument board 10 is left on the movable core mold 9, in the mold opening process, the cavity mold 5 and the stop block 22 are not moved, the core pulling slide block 16 moves downwards and slides outwards under the action of the inclined guide rod 25 and the inclined guide hole 18, the clamping insert 17 is pulled out of the assembly clamping buckle 12, in the sliding process, the limiting block 19 and the inclined top block 20 are arranged in the core pulling slide block 16, and the stop block 19 is limited by the stop straight surface 22 of the stop block 22, so that the limiting block 19 and the inclined top block 20 cannot slide outwards temporarily but move downwards along with the mold opening action, When the limiting block 19 moves down to the core pulling inclined plane 24, the limiting block loses the limit of the stop straight plane 22, then the core pulling sliding block and the buckle insert 17 slide outwards together, so that the core pulling is completed by the back-off and the assembly buckle, the die is opened continuously, a push rod on the injection molding machine reversely pushes a lower top plate and an upper top plate, the upper top plate drives an ejection structure (such as a thimble, a straight ejection block and the like) of the die to eject the automobile instrument panel from a core die, and finally the automobile instrument panel is taken away by a manual or mechanical arm, so that the die stripping is completed. The scheme adopts the slide block inner inclined ejection demoulding structure, skillfully utilizes mould opening power to realize the secondary actions of the slide block and the inclined ejection, solves the interference problem of back-off and assembly buckles, and has very beneficial positive effects. The outer side wall of the core-pulling sliding block is provided with an inclined guide groove 26, the core-pulling inclined surface 24 of the stop block 22 is provided with an inclined guide bar 27, the inclined guide bar 27 is matched with the inclined guide groove 26, and the inclined guide bar is matched with the inclined guide groove, so that the core-pulling sliding block can act more stably when sliding outwards to pull cores. The core pulling sliding frame 13 is provided with a clearance hole 28, the clearance hole 28 is matched with the inclined guide rod 25, in an actual product, the stroke of the inclined guide rod is long, and in order to avoid interference, the core pulling sliding frame is provided with a clearance hole, so that the inclined guide rod is convenient to move.

Claims (3)

1. Header injection mold with interior oblique top drawing of patterns of slider, including cover half compound board (1) and movable mould compound board (2), set up hot runner board (3) under the cover half compound board, set up die cavity mould (5) under the hot runner board, set up mould foot (6) on the movable mould compound board, set up roof (7) and roof (8) down between the mould foot, set up mandrel (9) on the mould foot, constitute the die cavity between mandrel (9) and die cavity mould (5), mould plastics header (10) in the die cavity, header's both sides tip is equipped with back-off (11), and is equipped with assembly buckle (12) on one side edge of back-off, its characterized in that: the core mould is characterized in that a core pulling sliding frame (13) is arranged outside the side wall of the core mould (9), a core pulling sliding groove (15) is arranged in the core mould (9), the core pulling sliding groove (15) corresponds to the core pulling sliding frame (13), a core pulling sliding block (16) is arranged in the core pulling sliding groove in a sliding mode, a clamping insert (17) is arranged at the head of the core pulling sliding block in a clamping mode, an inclined guide hole (18) is formed in the core pulling sliding block, a limiting block (19) is arranged in the tail of the core pulling sliding block, an inclined top block (20) is arranged in the head of the core pulling sliding block, the limiting block (19) is connected with the inclined top block (20) through an inclined top rod (21), the head of the inclined top block is matched with a back-off buckle (11), a corresponding stop block (22) is arranged on the outer wall of the cavity mould (5), a stop straight face (23) is matched with the tail end of the limiting block (19), the core pulling inclined face (24) is matched with the outer wall of the core pulling sliding block (16), an inclined guide rod (25) is connected with the inclined guide rod (25) under the stop block (25), and the inclined guide rod (18) is matched with the inclined guide rod.

2. The automobile instrument injection mold with the inner inclined top demoulding of the sliding block according to claim 1 is characterized in that an inclined guide groove (26) is arranged on the outer side wall of the core-pulling sliding block, an inclined guide strip (27) is arranged on a core-pulling inclined surface (24) of the stop block (22), and the inclined guide strip (27) is matched with the inclined guide groove (26).

3. The automobile instrument panel injection mold with the sliding block inner inclined top demoulding function according to claim 1 is characterized in that a clearance hole (28) is arranged in the core pulling sliding frame (13), and the clearance hole (28) is matched with the inclined guide rod (25).