CN102615793B - Core-pulling structure for front mold sliding block of injection mold with self-locking mechanism - Google Patents

Core-pulling structure for front mold sliding block of injection mold with self-locking mechanism Download PDF

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Publication number
CN102615793B
CN102615793B CN201210116941.2A CN201210116941A CN102615793B CN 102615793 B CN102615793 B CN 102615793B CN 201210116941 A CN201210116941 A CN 201210116941A CN 102615793 B CN102615793 B CN 102615793B
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self
slide block
block
locking
shovel base
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CN102615793A (en
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李卫明
赖生炎
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Ningbo Yi Bin electronic Polytron Technologies Inc
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NINGBO CHANGHUA AUTO DECORATIONS CO Ltd
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Abstract

The invention discloses a core-pulling structure for a front mold sliding block of an injection mold with a self-locking mechanism. The core-pulling structure comprises a sliding block shovel base and a linear driving unit for driving the sliding block shovel base to do reciprocating motion, wherein a sliding block is arranged at the front end of the sliding block shovel base; a limiting rod which travels along the sliding block shovel base in a reciprocating manner is arranged at the rear end of the sliding block shovel base; a self-locking block is arranged behind the sliding block shovel base; the linear driving unit is positioned behind the self-locking block and connected with the self-locking block; an empty travel slot which travels along the sliding block shovel base in a reciprocating manner is formed in the self-locking block; the rear part of the limiting rod extends into the empty travel slot; and a limiting part positioned in the empty travel slot is arranged on the limiting rod. The core-pulling structure has the advantage that the self-locking function of the mold is realized by using the linear driving unit; and the core-pulling structure is easy to debug, small in size and low in maintenance cost and is suitable for large and small molds and hot runner molds.

Description

A kind of injection mold front mould slide block core pulling structure with self-locking mechanism
Technical field
The present invention relates to a kind of injection mold front mould slide block core pulling structure.
Background technology
In the following texts and pictures 3 of moulding, when the workpiece of workpiece 18 and analogous shape, because needs mold a depression position, therefore need slide block 2 to come the corresponding position of moulding, moulding place has large-area glue position coated, need to prevent glue position pressure bounce-back slide block, slide block is retreated, cannot seal glue position.In the prior art, as shown in Figure 1, drive oil cylinder 20 to realize loose core by one, another self-locking oil cylinder 19 prevents glue position pressure bounce-back slide block in order to location.This mechanism takes up room greatly in mould, be not suitable for applying in little mould, and mechanism carrys out execution by two oil cylinders, has again sequencing between action, exchanges test die technical staff difficulty higher.
Summary of the invention
In order to overcome the above-mentioned deficiency of existing injection mold front mould slide block core pulling structure, the invention provides that a kind of structure is simpler, volume is little, debug the easy injection mold front mould slide block core pulling structure with self-locking mechanism.
The technical scheme that the present invention solves its technical problem is: a kind of injection mold front mould slide block core pulling structure with self-locking mechanism, comprise a slide block shovel base, the front end of described slide block shovel base is slidably equipped with slide block, also comprise that one for driving the described slide block shovel reciprocating linear drives of base unit, the rear end of described slide block shovel base is provided with along the gag lever post of slide block shovel base reciprocating stroke;
The rear of slide block shovel base also has a self-locking block, described linear drives unit is positioned at the rear of described self-locking block and is connected with this self-locking block, in described self-locking block, be provided with along the room stroke groove of slide block shovel base reciprocating stroke, the rear portion of described gag lever post is stretched in described room stroke groove, and gag lever post is provided with the limiting section that is positioned at this room stroke groove;
The below of described self-locking block also has a frame groove, in described frame groove, is provided with bullet piece, makes this bullet piece have up trend thereby be provided with elastic component between described bullet piece and the bottom surface of described frame groove;
Between described self-locking block and described bullet piece by meeting the lifting that can realize by inclined-plane bullet piece in the time that thereby the inclined-plane of slide block shovel base coordinates self-locking block linear reciprocation;
The rear end of described slide block shovel base is provided with jacking block, and the front end face of described bullet piece forms retaining face, and under matched moulds state, described jacking block withstands on described retaining face, thereby the bullet piece jacking block that declines no longer withstands on described retaining face when die sinking.
Further, described bullet piece has draw-in groove, and the rear end face of described draw-in groove is the lower inclined plane of meeting to described slide block shovel base, and the lower surface of described self-locking block is provided with the lock dog of lower protruding entered draw-in groove, and described lock dog has the ramp coordinating with described lower inclined plane.
Further, described draw-in groove extends to the front end face of described bullet piece.
Further, the front of described frame groove is provided with front wear-resistant block, and the rear of described frame groove is provided with rear wear-resistant block; The described slide block shovel bottom surface of base and the bottom surface of described self-locking block are positioned in same level, and described slide block shovel base and described self-locking block can be bearing on described front wear-resistant block and rear wear-resistant block.
The present invention also has following additional technical feature: described linear drives unit is hydraulic cylinder, and the output shaft of described hydraulic cylinder is connected with described self-locking block.
The afterbody of described gag lever post is provided with the positive stop lug boss as limiting section.
In the time of die sinking, the action of linear drives unit drives self-locking block to retreat, in the room stroke range of room stroke groove, coordinate bullet piece is pressed down by inclined-plane, jacking block is no longer withstood on the retaining face of bullet piece, now slide block shovel base release, thus the ramp of self-locking block is crossed the lower inclined plane self-locking block of bullet piece and is pushed down bullet piece; Linear drives unit continues action, pulls slide block shovel base to retreat by gag lever post, and like the prior art, slide block also can shovel retreating of base and completes and loose core along with slide block.When matched moulds, the action of linear drives unit drives self-locking block to move ahead, and the same room stroke pusher movable slider of covering shovels the front horizontal reset of base, and bullet piece also resets under the resilient force of elastic component.
Beneficial effect of the present invention is: use a linear drives unit to complete the auto-lock function of mould, debug easyly, and whole mechanism volume is little, and maintenance cost is low, in big or small mould, hot runner mould, can be suitable for.
Brief description of the drawings
Fig. 1 is the structural representation of prior art.
Fig. 2 is the explosive view of the embodiment of the present invention one.
Fig. 3 is the cutaway view of the embodiment of the present invention one under original state.
Fig. 4 is the cutaway view of the embodiment of the present invention one in the time of die sinking.
Fig. 5 is the cutaway view after the embodiment of the present invention one die sinking completes.
Fig. 6 be the embodiment of the present invention two be hit by a bullet piece and self-locking block inclined-plane coordinate schematic diagram.
Fig. 7 be the embodiment of the present invention three be hit by a bullet piece and self-locking block inclined-plane coordinate schematic diagram.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment mono-
With reference to Fig. 2 ~ Fig. 5; a kind of injection mold front mould slide block core pulling structure with self-locking mechanism; comprise a slide block shovel base 1; the front end of described slide block shovel base 1 is slidably equipped with slide block 2; also comprise that one for driving the described slide block shovel reciprocating linear drives of base 1 unit, the rear end of described slide block shovel base 1 is provided with along the gag lever post 3 of slide block shovel base reciprocating stroke.
The rear of slide block shovel base 1 also has a self-locking block 4, described linear drives unit is positioned at the rear of described self-locking block 4 and is connected with this self-locking block 4, in the present embodiment, described linear drives unit is hydraulic cylinder 5, and the output shaft of described hydraulic cylinder 5 is connected with described self-locking block.Certainly linear drives unit can also be other elements such as cylinder.
In described self-locking block 4, be provided with along the room stroke groove 6 of slide block shovel base reciprocating stroke, the rear portion of described gag lever post 3 is stretched in described room stroke groove 6, and gag lever post 3 is provided with the limiting section that is positioned at this room stroke groove.In the present embodiment, the afterbody of described gag lever post is provided with the positive stop lug boss 7 as limiting section.
The below of described self-locking block 4 also has a frame groove 8, in described frame groove 8, is provided with bullet piece 9, makes this bullet piece 9 have up trend thereby be provided with elastic component between described bullet piece 9 and the bottom surface of described frame groove 8.In the present embodiment, this elastic component is stage clip 10.
Between described self-locking block 4 and described bullet piece 9 by meeting the lifting that can realize by inclined-plane bullet piece 9 in the time that thereby the inclined-plane of slide block shovel base 1 coordinates self-locking block 4 linear reciprocation.In the present embodiment, described bullet piece 9 has draw-in groove 11, described draw-in groove 11 extends to the front end face of described bullet piece 9, the rear end face of described draw-in groove 11 is the lower inclined plane 12 of meeting to described slide block shovel base 1, the lower surface of described self-locking block 4 is provided with the lock dog 13 of lower protruding snapped in draw-in groove, and described lock dog 13 has the ramp 14 coordinating with described lower inclined plane 12.
The rear end of described slide block shovel base 1 is provided with jacking block 15, and the front end face of described bullet piece 9 forms retaining face, and under matched moulds state, described jacking block 15 withstands on described retaining face, thereby bullet piece 9 jacking block 15 that declines no longer withstands on described retaining face when die sinking.
In the present embodiment, the front of described frame groove 8 is provided with front wear-resistant block 16, and the rear of described frame groove 8 is provided with rear wear-resistant block 17; The described slide block shovel bottom surface of base 1 and the bottom surface of described self-locking block 4 are positioned in same level, and described slide block shovel base 1 and described self-locking block 4 can be bearing on described front wear-resistant block 16 and rear wear-resistant block 17.
In the time of die sinking, the action of linear drives unit drives self-locking block 4 to retreat, in the room stroke range of room stroke groove 6, coordinate bullet piece 9 is pressed down by inclined-plane, jacking block 15 is no longer withstood on the retaining face of bullet piece 9, now slide block shovel base 1 release, thus the ramp 14 of self-locking block 4 is crossed lower inclined plane 12 self-locking blocks 4 of bullet piece 9 and is pushed down bullet piece 9; Linear drives unit continues action, pulls slide block shovel base 1 to retreat by gag lever post 3, and like the prior art, slide block 3 also can shovel retreating of base 1 and completes and loose core along with slide block.When matched moulds, the action of linear drives unit drives self-locking block 4 to move ahead, and the same room stroke pusher movable slider of covering shovels the front horizontal reset of base 1, and bullet piece 9 also resets under the resilient force of elastic component.
Embodiment bis-
With reference to Fig. 6; a kind of injection mold front mould slide block core pulling structure with self-locking mechanism; comprise a slide block shovel base; the front end of described slide block shovel base is slidably equipped with slide block; also comprise that one for driving the described slide block shovel reciprocating linear drives of base unit, the rear end of described slide block shovel base is provided with along the gag lever post of slide block shovel base reciprocating stroke.
The rear of slide block shovel base also has a self-locking block 4, and described linear drives unit is positioned at the rear of described self-locking block 4 and is connected with this self-locking block, and in the present embodiment, described linear drives unit is hydraulic cylinder, and the output shaft of described hydraulic cylinder is connected with described self-locking block 4.Certainly linear drives unit can also be other elements such as cylinder.
In described self-locking block 4, be provided with along the room stroke groove of slide block shovel base reciprocating stroke, the rear portion of described gag lever post is stretched in described room stroke groove, and gag lever post is provided with the limiting section that is positioned at this room stroke groove.In the present embodiment, the afterbody of described gag lever post is provided with the positive stop lug boss as limiting section.
The below of described self-locking block 4 also has a frame groove, in described frame groove, is provided with bullet piece 9, makes this bullet piece have up trend thereby be provided with elastic component between described bullet piece 9 and the bottom surface of described frame groove.In the present embodiment, this elastic component is stage clip.
Between described self-locking block 4 and described bullet piece 9 by meeting the lifting that can realize by inclined-plane bullet piece 9 in the time that thereby the inclined-plane of slide block shovel base coordinates self-locking block 4 linear reciprocation.In the present embodiment, the upper surface of described bullet piece 9 is the lower inclined plane of meeting to described slide block shovel base, and the lower end of described self-locking block has the ramp coordinating with described lower inclined plane.
The rear end of described slide block shovel base is provided with jacking block, and the front end face of described bullet piece 9 forms retaining face, and under matched moulds state, described jacking block withstands on described retaining face, thereby bullet piece 9 jacking block that declines no longer withstands on described retaining face when die sinking.
In the present embodiment, the front of described frame groove is provided with front wear-resistant block, and the rear of described frame groove is provided with rear wear-resistant block; The described slide block shovel bottom surface of base and the bottom surface of described self-locking block are positioned in same level, and described slide block shovel base and described self-locking block can be bearing on described front wear-resistant block and rear wear-resistant block.
In the time of die sinking, the action of linear drives unit drives self-locking block to retreat, in the room stroke range of room stroke groove, coordinate bullet piece is pressed down by inclined-plane, jacking block is no longer withstood on the retaining face of bullet piece, now slide block shovel base release, thus the ramp of self-locking block 4 is crossed the lower inclined plane self-locking block of bullet piece 9 and is pushed down bullet piece; Linear drives unit continues action, pulls slide block shovel base to retreat by gag lever post, and like the prior art, slide block also can shovel retreating of base and completes and loose core along with slide block.When matched moulds, the action of linear drives unit drives self-locking block to move ahead, and the same room stroke pusher movable slider of covering shovels the front horizontal reset of base, and bullet piece also resets under the resilient force of elastic component.
The present embodiment is that from the difference of embodiment mono-concrete form that between bullet piece and self-locking block, inclined-plane coordinates is different.
Embodiment tri-
With reference to Fig. 7; a kind of injection mold front mould slide block core pulling structure with self-locking mechanism; comprise a slide block shovel base; the front end of described slide block shovel base is slidably equipped with slide block; also comprise that one for driving the described slide block shovel reciprocating linear drives of base unit, the rear end of described slide block shovel base is provided with along the gag lever post of slide block shovel base reciprocating stroke.
The rear of slide block shovel base also has a self-locking block 4, and described linear drives unit is positioned at the rear of described self-locking block and is connected with this self-locking block, and in the present embodiment, described linear drives unit is hydraulic cylinder, and the output shaft of described hydraulic cylinder is connected with described self-locking block 4.Certainly linear drives unit can also be other elements such as cylinder.
In described self-locking block 4, be provided with along the room stroke groove of slide block shovel base reciprocating stroke, the rear portion of described gag lever post is stretched in described room stroke groove, and gag lever post is provided with the limiting section that is positioned at this room stroke groove.In the present embodiment, the afterbody of described gag lever post is provided with the positive stop lug boss as limiting section.
The below of described self-locking block 4 also has a frame groove, in described frame groove, is provided with bullet piece 9, makes this bullet piece 9 have up trend thereby be provided with elastic component between described bullet piece 9 and the bottom surface of described frame groove.In the present embodiment, this elastic component is stage clip.
Between described self-locking block 4 and described bullet piece 9 by meeting the lifting that can realize by inclined-plane bullet piece 9 in the time that thereby the inclined-plane of slide block shovel base coordinates self-locking block 4 linear reciprocation.In the present embodiment, thereby the head of described bullet piece 9 has the lower inclined plane of meeting to described slide block shovel base forms sphenocephaly at the head of described bullet piece, the lower end of described self-locking block 4 is provided with slot, described sphenocephaly can stretch in described slot, and described slot has the ramp coordinating with described lower inclined plane.
The rear end of described slide block shovel base is provided with jacking block, and the front end face of described bullet piece 9 forms retaining face, and under matched moulds state, described jacking block withstands on described retaining face, thereby bullet piece 9 jacking block that declines no longer withstands on described retaining face when die sinking.
In the present embodiment, the front of described frame groove is provided with front wear-resistant block, and the rear of described frame groove is provided with rear wear-resistant block; The described slide block shovel bottom surface of base and the bottom surface of described self-locking block are positioned in same level, and described slide block shovel base and described self-locking block can be bearing on described front wear-resistant block and rear wear-resistant block.
In the time of die sinking, the action of linear drives unit drives self-locking block to retreat, in the room stroke range of room stroke groove, coordinate bullet piece is pressed down by inclined-plane, jacking block is no longer withstood on the retaining face of bullet piece, now slide block shovel base release, thus the ramp of self-locking block 4 is crossed the lower inclined plane self-locking block 4 of bullet piece and is pushed down bullet piece 9; Linear drives unit continues action, pulls slide block shovel base to retreat by gag lever post, and like the prior art, slide block also can shovel retreating of base and completes and loose core along with slide block.When matched moulds, the action of linear drives unit drives self-locking block to move ahead, and the same room stroke pusher movable slider of covering shovels the front horizontal reset of base, and bullet piece also resets under the resilient force of elastic component.
The present embodiment is that from the difference of embodiment mono-, embodiment bis-concrete form that between bullet piece and self-locking block, inclined-plane coordinates is different.

Claims (5)

1. one kind has the injection mold front mould slide block core pulling structure of self-locking mechanism, comprise a slide block shovel base, the front end of described slide block shovel base is slidably equipped with slide block, also comprise that one for driving the described slide block shovel reciprocating linear drives of base unit, is characterized in that: the rear end of described slide block shovel base is provided with along the gag lever post of slide block shovel base reciprocating stroke;
The rear of slide block shovel base also has a self-locking block, described linear drives unit is positioned at the rear of described self-locking block and is connected with this self-locking block, in described self-locking block, be provided with along the room stroke groove of slide block shovel base reciprocating stroke, the rear portion of described gag lever post is stretched in described room stroke groove, and gag lever post is provided with the limiting section that is positioned at this room stroke groove;
The below of described self-locking block also has a frame groove, in described frame groove, is provided with bullet piece, makes this bullet piece have up trend thereby be provided with elastic component between described bullet piece and the bottom surface of described frame groove;
Between described self-locking block and described bullet piece by meeting the lifting that can realize by inclined-plane bullet piece in the time that thereby the inclined-plane of slide block shovel base coordinates self-locking block linear reciprocation;
The rear end of described slide block shovel base is provided with jacking block, and the front end face of described bullet piece forms retaining face, and under matched moulds state, described jacking block withstands on described retaining face, thereby the bullet piece jacking block that declines no longer withstands on described retaining face when die sinking;
Described bullet piece has draw-in groove, and the rear end face of described draw-in groove is the lower inclined plane of meeting to described slide block shovel base, and the lower surface of described self-locking block is provided with the lock dog of lower protruding entered draw-in groove, and described lock dog has the ramp coordinating with described lower inclined plane;
Described draw-in groove extends to the front end face of described bullet piece.
2. the injection mold front mould slide block core pulling structure with self-locking mechanism as claimed in claim 1, is characterized in that: the front of described frame groove is provided with front wear-resistant block, and the rear of described frame groove is provided with rear wear-resistant block; The described slide block shovel bottom surface of base and the bottom surface of described self-locking block are positioned in same level, and described slide block shovel base and described self-locking block can be bearing on described front wear-resistant block and rear wear-resistant block.
3. the injection mold front mould slide block core pulling structure with self-locking mechanism as claimed in claim 1, is characterized in that: described linear drives unit is hydraulic cylinder, and the output shaft of described hydraulic cylinder is connected with described self-locking block.
4. the injection mold front mould slide block core pulling structure with self-locking mechanism as claimed in claim 1, is characterized in that: the afterbody of described gag lever post is provided with the positive stop lug boss as limiting section.
5. the injection mold front mould slide block core pulling structure with self-locking mechanism as claimed in claim 1, is characterized in that: described elastic component is stage clip.
CN201210116941.2A 2012-04-20 2012-04-20 Core-pulling structure for front mold sliding block of injection mold with self-locking mechanism Active CN102615793B (en)

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CN103171099B (en) * 2013-03-25 2015-10-28 宁海县现代模具有限公司 The self-locking structure of mould of plastics cylinder slide block
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CN106696205A (en) * 2017-03-28 2017-05-24 台州市黄岩西诺模具有限公司 Self-locking type slide block core-pulling mechanism
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Address after: 315324 Ningbo City, Cixi Province, Zhouxiang Town, No. two, No. development road, No. 1

Patentee after: Ningbo Yi Bin electronic Polytron Technologies Inc

Address before: 315324 Ningbo City, Cixi Province, Zhouxiang Town, No. two, No. development road, No. 1

Patentee before: Ningbo ChangHua Auto Decorations Co., Ltd.