CN103419338A - Invertedly demoulding mechanism and invertedly demoulding method - Google Patents

Invertedly demoulding mechanism and invertedly demoulding method Download PDF

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Publication number
CN103419338A
CN103419338A CN2013102543188A CN201310254318A CN103419338A CN 103419338 A CN103419338 A CN 103419338A CN 2013102543188 A CN2013102543188 A CN 2013102543188A CN 201310254318 A CN201310254318 A CN 201310254318A CN 103419338 A CN103419338 A CN 103419338A
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China
Prior art keywords
slide block
advance
rear row
shovel
base
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CN2013102543188A
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CN103419338B (en
Inventor
胡作寰
高国利
陈顺贵
李芳�
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Shenzhen Silver Basis Technology Co Ltd
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Shenzhen Silver Basis Technology Co Ltd
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Priority to CN201310254318.8A priority Critical patent/CN103419338B/en
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Abstract

The invention discloses an invertedly demoulding mechanism which comprises at least two first moving slide blocks and at least two second moving slide blocks, and further comprises a first moving shovel base, a second moving shovel base and a demoulding control device, wherein the first moving slide blocks and the second moving slide blocks are arranged alternately to form an inverted part; the first moving shovel base is arranged in the center of the inverted part, and is connected with the first moving slide blocks in a sliding manner through first clamping grooves; the included angle between the extending direction of each first clamping groove and the sliding direction of the first moving shovel base is a first inclined angle; the second moving shovel base is arranged in the center of the inverted part, and is connected with the second moving slide blocks in a sliding manner through second clamping grooves; the included angle between the extending direction of each second clamping groove and the sliding direction of the second moving shovel base is a second inclined angle; the demoulding control device is used for controlling the first moving slide blocks to move far away from an injection moulding piece. Correspondingly, the invention further discloses an invertedly demoulding method. As both the first moving slide blocks and the second moving slide blocks can be set with larger moving spaces, the inverting size is larger while the invertedly demoulding requirement of the injection moulding piece with a smaller internal space is met.

Description

A kind of reverse buckle demolding mechanism and a kind of back-off release method
Technical field
The present invention relates to injecting products and manufacture field, particularly a kind of reverse buckle demolding mechanism and a kind of back-off release method, for the stripping process of injecting products.
Background technology
In Shooting Technique; moulding with full circle inner reverse fastener feature refers to that the inwall of moulding exists that the side of full circle is protruding or side is recessed; when the back-off regional depth can not adopt forced stripper mechanism greatly; in order to reach the purpose of the smooth demoulding, must design the circular reverse buckle demolding mechanism with suitable core-pulling mechanism.In this reverse buckle demolding mechanism; the back-off of mould partly is divided into to four, six or more small-sized slide block; the center of back-off part is provided with the shovel base; between shovel base and each slide block, by draw-in groove, be slidably connected; and; adjacent sliders is made different gradients from the mating area between the shovel base; when shovel base axially to the direction away from moulding, doing and loosing core while moving along back-off part; the slide block that the mating area gradient is different is pressed the center of circle internal motion of different speed to the back-off part, until break away from the back-off zone of moulding.Wherein, the large slide block of mating area gradient is slide block in advance, larger thereby its movement velocity comparatively fast moves inward distance; The slide block that the mating area gradient is little is rear row slide block, less thereby its movement velocity moves inward distance slowly.In circular reverse buckle demolding mechanism as shown in Figure 1; the back-off of mould partly is divided into slide block 01 and rear row slide block 02 in advance; and; slide block 01 and rear row slide block 02 are slidably matched by dovetail groove and shovel base 03 respectively in advance; wherein; between slide block 01 and shovel base 03, the draft angle of mating area is α in advance, and the draft angle of mating area between slide block 02 and shovel base 03 of then going is β, and α is greater than β.Do backward vertically when shovel base 03 when motion of loosing core, slide block 01 and rear row slide block 02 all move in the center of circle in advance, please refer to the direction shown in arrow in Fig. 2.Because the draft angle α of mating area between slide block 01 in advance and shovel base 03 is larger, therefore movement velocity is very fast, thereby slide block 01 is larger to the displacement of moving in the center of circle in advance in same time; On the contrary, between rear row slide block 02 and shovel base 03, the draft angle β of mating area is less therefore movement velocity is slower, thereby after in same time, row slide block 02 is less to the displacement of moving in the center of circle.Therefore, slide block 01 when moving in the center of circle, and produces space between rear row slide block 02 gradually in advance, thereby after order, row slide block 02 also can move gradually in the center of circle, to break away from the back-off zone of moulding.Finally, slide block 01 and rear row slide block 02 break away from the back-off zone successively in advance, finally realize the smooth demoulding, and the end-state of its back-off part as shown in Figure 3.
Yet; in actual production process; the radial dimension in the back-off zone of some moulding is larger; inner space is less simultaneously, causes the back-off part center of mould emptier limited for the inner space that holds shovel base and slider displacement, in this case; slide block can break away from the back-off zone in advance; the slide block of then going is difficult to break away from back-off, thereby, use above-mentioned circular reverse buckle demolding mechanism just can't meet the demoulding requirement of back-off.
Therefore, how to make a kind of reverse buckle demolding mechanism, the less back-off demoulding demand of moulding in Shooting Technique in inner space, be those skilled in the art's technical problems urgently to be resolved hurrily when adapting to the back-off size than Datong District.
Summary of the invention
In view of this, the invention provides a kind of reverse buckle demolding mechanism, the less back-off demoulding demand of moulding in Shooting Technique in inner space when adapting to the back-off size than Datong District.
For achieving the above object, the invention provides following technical scheme:
A kind of reverse buckle demolding mechanism, comprise at least two in advance slide block and at least two go afterwards slide block, described slide block in advance and described rear row slide block are staggered and form the back-off part, also comprise:
Be arranged at the base of shovel in advance at described back-off part center, described slide block in advance and described the shovel in advance between base are slidably connected by the first draw-in groove, and between the bearing of trend of described the first draw-in groove and described glide direction of shoveling in advance base, angle is the first draft angle;
Be arranged at the rear row shovel base at described back-off part center, be slidably connected by the second draw-in groove between described rear row slide block and described rear row shovel base, between the glide direction of the bearing of trend of described the second draw-in groove and described rear row shovel base, angle is the second draft angle;
Move demoulding control device for controlling described slide block in advance to the direction away from moulding.
Preferably, in above-mentioned back-off stripper apparatus, described demoulding control device comprises:
For driving the described drive unit that base, described rear row shovel base and described slide block in advance move to the direction away from described moulding that shovels in advance;
The first locating part, the bottom of the bottom of described slide block in advance and described rear row shovel base all is connected with described the first locating part, and when described slide block in advance breaks away from the back-off zone, described the first locating part carries out spacing to the described base that shovels in advance in sliding process;
The second locating part, the bottom of described rear row slide block and described the second locating part are connected, and when described rear row slide block breaks away from described back-off zone, described the second locating part carries out spacing to the described rear row shovel base in sliding process.
Preferably, in above-mentioned back-off stripper apparatus, also comprise take-up housing, the bottom of described slide block in advance is fixedly connected with by described take-up housing with the bottom of described rear row shovel base.
Preferably, in above-mentioned back-off stripper apparatus, described drive unit comprises:
Hydraulic cylinder;
Arm-tie, the piston rod of described hydraulic cylinder is fixedly connected with described arm-tie;
The shovel pedestal, described terminal of shoveling in advance base is fixed on described shovel pedestal, and when described slide block in advance breaks away from the back-off zone, described the first locating part carries out spacing to the described shovel pedestal in sliding process;
Pull bar, an end of described pull bar is fixedly connected with described arm-tie, and the other end is fixedly connected with described shovel pedestal.
Preferably, in above-mentioned back-off stripper apparatus, described the first locating part is stop screw, on described shovel pedestal, be provided with and the first pilot hole, described stop screw is fixedly connected with described take-up housing through described the first pilot hole, when described slide block in advance breaks away from the back-off zone, the nut part of described stop screw is carried out spacing to the described shovel pedestal in sliding process.
Preferably, in above-mentioned back-off stripper apparatus, be provided with the sliding tray with the side wall construction adaptation of described take-up housing and described shovel pedestal on described the second locating part, when described rear row slide block breaks away from described back-off zone, the terminal of described sliding tray is carried out spacing to the described shovel pedestal in sliding process, the terminal of described sliding tray is provided with the second pilot hole, and described pull bar is through described the second pilot hole.
Preferably, in above-mentioned back-off stripper apparatus, also comprise:
Gripper shoe, be provided with through hole on described gripper shoe, and described the second locating part and described hydraulic cylinder lay respectively at the both sides of described gripper shoe, and described piston rod is through described through hole;
Guide post, be provided with the 3rd pilot hole on described the second locating part, described guide post is through described the 3rd pilot hole, and, one end of described guide post is fixed on mould, the other end is fixed on gripper shoe, and wherein, the axis of the sliding tray on the axis of the axis of described guide post, the axis of described pull bar, described stop screw and described the second locating part is parallel to each other.
Preferably, in above-mentioned back-off stripper apparatus, described slide block in advance and described rear row slide block have respectively three, and are staggered and form described back-off part, and simultaneously, described base and the described rear row of shoveling in advance shovels base and have respectively three and be staggered.
A kind of back-off release method comprises the following steps:
Steps A: drive and to shovel in advance base along axially the moving to the direction away from moulding of back-off part, until order is shoveled in advance the slide block in advance that base is slidably connected by draw-in groove and broken away from the back-off zone of described moulding with described;
Step B: then, drive described slide block in advance and rear row shovel base to move to the direction away from described moulding along the axial of described back-off part, until order breaks away from described back-off zone with the rear row slide block that described rear row shovel base is slidably connected by draw-in groove.
Preferably, in above-mentioned back-off release method, also comprise step C after step B: drive described rear row slide block to move to the direction away from described moulding along the axial of described back-off part, until described rear row slide block exits described back-off zone.
From above-mentioned technical scheme, can find out, in the reverse buckle demolding mechanism that the embodiment of the present invention provides, the shovel base comprises and shovels in advance base and rear row shovel base, with to slide block and rear row slide block are controlled respectively in advance.When the demoulding is carried out in the back-off zone to moulding, shovel in advance base and move (motion of loosing core for the first time) to control in advance slide block to intracardiac motion in the back-off zone to the direction away from moulding at first vertically, break away from the back-off zone; After slide block breaks away from the back-off zone in advance, demoulding control device is controlled slide block in advance and is moved to the direction away from moulding vertically, to exit the back-off zone; In slide block exits the process in back-off zone in advance, rear row shovel basal orientation moves (motion of loosing core for the second time) to control rear row slide block again to intracardiac motion in the back-off zone, disengaging back-off zone away from the direction of moulding.Those skilled in the art easily know, because the mating area between shovel base and slide block is provided with certain draft angle, thereby slide block is conical cavity with the back-off inner chamber partly that rear row slide block forms in advance.What at this, need to describe is, when slide block and rear row shovel base together move to the direction away from moulding vertically in advance, slide block progresses into the bottom of conical cavity in advance, thereby reduced the restriction to rear row slide block, after order, the row slide block is to having larger displacement space during intracardiac motion in the back-off zone.
Simultaneously, due to rear row slide block and in advance slide block moved respectively, thereby there do not is mutual restriction relation between the two, thereby, the first draft angle and the second draft angle all have the larger scope that arranges, thereby can increase according to actual needs rear row slide block and in advance slide block (especially afterwards go slide block) to the distance of moving in the back-off regional center, the less back-off demoulding demand of moulding in Shooting Technique in inner space when adapting to the back-off size than Datong District.
In addition, need to further illustrate, in the process of the demoulding is carried out in the back-off zone to moulding, rear row shovel base control after the zero-time of row slide block movement can also be arranged on after slide block exits the back-off zone in advance.Now, the idiographic flow that the back-off zone of moulding is carried out to the demoulding is: shovel in advance base and move to control in advance slide block to intracardiac motion in the back-off zone, to break away from the back-off zone to the direction away from moulding at first vertically; After slide block breaks away from the back-off zone in advance, demoulding control device is controlled slide block in advance and is moved to the direction away from moulding vertically, to exit the back-off zone; After slide block exits the back-off zone in advance, rear row shovel base moves to control rear row slide block again to intracardiac motion in the back-off zone, to break away from the back-off zone to the direction away from moulding again.In above-mentioned flow process, after slide block enters the bottom of conical cavity in advance, rear row slide block is again to intracardiac motion in the back-off zone, thereby, can meet equally and cancel the purpose of slide block to the restriction of rear row slide block in advance, finally, after the order row slide block to thering is larger displacement space during intracardiac motion in the back-off zone.
As fully visible; the present invention compares with respect to reverse buckle demolding mechanism of the prior art; slide block and rear row slide block are respectively in the back-off zone during intracardiac motion in advance; all can set out larger displacement space, thereby more adapt to and met the back-off demoulding demand of the less moulding in inner space when the back-off size is than Datong District in Shooting Technique.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation that Fig. 1 is back-off part in circular reverse buckle demolding mechanism of the prior art;
The side sectional view that Fig. 2 is Fig. 1;
The structural representation of back-off part after the smooth demoulding of circular reverse buckle demolding mechanism shown in Fig. 3 Fig. 1;
The structural representation of the reverse buckle demolding mechanism that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the back-off part of the reverse buckle demolding mechanism that Fig. 5 provides for the embodiment of the present invention;
The decomposition texture schematic diagram that Fig. 6 is reverse buckle demolding mechanism in Fig. 4;
The front view of reverse buckle demolding mechanism in injection moulding process that Fig. 7 provides for the embodiment of the present invention;
The upwarding cutaway view that Fig. 8 is Fig. 7;
The front view of reverse buckle demolding mechanism in the motion process of loosing core for the first time that Fig. 9 provides for the embodiment of the present invention;
The upwarding cutaway view that Figure 10 is Fig. 9;
The front view of reverse buckle demolding mechanism in the motion process of loosing core for the second time that Figure 11 provides for the embodiment of the present invention;
The upwarding cutaway view that Figure 12 is Figure 11.
Wherein, 1 is rear row slide block, and 2 is rear row shovel base, 3 is slide block in advance, and 4 for shoveling in advance base, and 5 is take-up housing, 6 is the take-up housing connecting plate, and 7 is the shovel pedestal, and 8 is pull bar, 9 is the first locating part, and 10 is contiguous block, and 11 is arm-tie, 12 is hydraulic cylinder, and 13 is gripper shoe, and 14 is back seat, 15 is guide post, and 16 is connecting portion, and 17 is pressing plate.
The specific embodiment
The invention discloses a kind of reverse buckle demolding mechanism, the less back-off demoulding demand of moulding in Shooting Technique in inner space when adapting to the back-off size than Datong District.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
Refer to Fig. 4-Figure 12, the structural representation of the reverse buckle demolding mechanism that Fig. 4 provides for the embodiment of the present invention, the structural representation of the back-off part of the reverse buckle demolding mechanism that Fig. 5 provides for the embodiment of the present invention, the decomposition texture schematic diagram that Fig. 6 is reverse buckle demolding mechanism in Fig. 4, the front view of reverse buckle demolding mechanism in injection moulding process that Fig. 7 provides for the embodiment of the present invention, the upwarding cutaway view that Fig. 8 is Fig. 7, the front view of reverse buckle demolding mechanism in the motion process of loosing core for the first time that Fig. 9 provides for the embodiment of the present invention, the upwarding cutaway view that Figure 10 is Fig. 9, the front view of reverse buckle demolding mechanism in the motion process of loosing core for the second time that Figure 11 provides for the embodiment of the present invention, the upwarding cutaway view that Figure 12 is Figure 11.
The reverse buckle demolding mechanism that the embodiment of the present invention provides, comprise in advance slide block 3, rear row slide block 1, shovel base 4, rear row shovel base 2 and demoulding control device in advance, as shown in Figure 4 and Figure 5.Wherein, slide block 3 and rear row slide block 1 all have two at least in advance, and slide block 3 and rear row slide block 1 are staggered and form and the regional corresponding back-off part of moulding back-off in advance; Slide block 3 is arranged at back-off part center in advance, and and shovel in advance between base 4 and be slidably connected by the first draw-in groove, the bearing of trend of the first draw-in groove and to shovel in advance angle between the glide direction of base 4 be the first draft angle; Simultaneously, rear row slide block 1 is arranged at back-off part center, and and rear row shovel base 2 between by the second draw-in groove, be slidably connected, it is the second draft angle that the bearing of trend of the second draw-in groove and rear row shovel angle between the glide direction of base 2; Demoulding control device moves to the direction away from moulding for controlling slide block 3 in advance, to exit the back-off zone of moulding.
Owing to shoveling in advance base 4 and being slidably connected by the first draw-in groove between slide block 3 in advance, and, shovel in advance base 4 and the matching area between slide block 3 and central shaft time have the first draft angle in advance, thereby, do to the direction away from moulding when motion of loosing core vertically when shoveling in advance base 4, slide block 3 inwardly moves in advance, until break away from the back-off zone; In like manner, owing to being slidably connected by the second draw-in groove between rear row shovel base 2 and rear row slide block 1, and there is the second draft angle between the matching area between rear row shovel base 2 and rear row slide block 1 and central shaft, thereby, when rear row shovel base 2 is done while loosing core motion to the direction away from moulding vertically, rear row slide block 1 inwardly moves, until break away from the back-off zone.
Visible, in the reverse buckle demolding mechanism that the embodiment of the present invention provides, the shovel base comprises and shovels in advance base 4 and rear row shovel base 2, so that slide block 3 is in advance controlled respectively with rear row slide block 1.When the demoulding is carried out in the back-off zone to moulding, shovel in advance base 4 and move (motion of loosing core for the first time) to control in advance slide block 3 to intracardiac motion in the back-off zone to the direction away from moulding at first vertically, break away from the back-off zone; After slide block 3 breaks away from the back-off zone in advance, demoulding control device is controlled slide block 3 in advance and is moved to the direction away from moulding vertically, to exit the back-off zone; In slide block 3 exits the process in back-off zone in advance, rear row shovel base 2 moves (motion of loosing core for the second time) to control rear row slide block 1 again to intracardiac motion in the back-off zone, with disengaging back-off zone to the direction away from moulding.Those skilled in the art easily know, because the mating area between shovel base and slide block is provided with certain draft angle, thereby the inner chamber of the back-off part that slide block 3 and rear row slide block 1 form in advance is conical cavity.What at this, need to describe is, when slide block 3 together moves to the direction away from moulding vertically with rear row shovel base 2 in advance, slide block 3 progresses into the bottom of conical cavity in advance, thereby reduced the restriction to rear row slide block 1, after order, row slide block 1 is to having larger displacement space during intracardiac motion in the back-off zone.
Simultaneously, due to rear row slide block 1 and in advance slide block 3 moved respectively, thereby, there do not is mutual restriction relation between the two, the first draft angle and the second draft angle all have the larger scope that arranges, therefore, can increase according to actual needs rear row slide block 1 and in advance slide block 3 (especially afterwards go slide block 1) to the distance of moving in the back-off regional center, the less back-off demoulding demand of moulding in Shooting Technique in inner space when adapting to the back-off size than Datong District.
In addition, need to further illustrate, in the process of the demoulding is carried out in the back-off zone to moulding, rear row shovel base 2 control after the zero-time of row slide block 1 motion can also be arranged on after slide block 3 exits the back-off zone in advance.Now, the idiographic flow that the back-off zone of moulding is carried out to the demoulding is: shovel in advance base 4 and move to control in advance slide block 3 to intracardiac motion in the back-off zone, to breaking away from the back-off zone to the direction away from moulding at first vertically; After slide block 3 breaks away from the back-off zone in advance, demoulding control device is controlled slide block 3 in advance and is moved to the direction away from moulding vertically, exits the back-off zone; After slide block 3 exits the back-off zone in advance, rear row shovel base 2 moves to control rear row slide block 1 again to intracardiac motion in the back-off zone, to breaking away from the back-off zone to the direction away from moulding again.In above-mentioned flow process, after slide block 3 enters the bottom of conical cavity in advance, rear row slide block 1 is again to intracardiac motion in the back-off zone, thereby, can meet equally the purpose of cancelling the restriction of row slide block 1 after 3 pairs of slide blocks in advance, finally, after the order row slide block 1 to thering is larger displacement space during intracardiac motion in the back-off zone.
As fully visible; the present invention compares with respect to reverse buckle demolding mechanism of the prior art; slide block 3 and rear row slide block 1 are respectively in the back-off zone during intracardiac motion in advance; all can set out larger displacement space, thereby more adapt to and met the back-off demoulding demand of the less moulding in inner space when the back-off size is than Datong District in Shooting Technique.
In specific embodiment, the bottom of slide block 3 is fixedly connected with by take-up housing 5 with the bottom of rear row shovel base 2 in advance.In addition, demoulding control device comprises drive unit, the first locating part 9 and the second locating part.Particularly, shown in contrast Fig. 8 and Figure 12, the first locating part 9 is stop screw, the second locating part is the sliding seat main body that is provided with sliding tray, this sliding seat main body is comprised of back seat 14 and connecting portion 16, and the initiating terminal of sliding tray is positioned on connecting portion 16, and on connecting portion 16, the initiating terminal at sliding tray also is provided with the installing hole for row slide block 1 after installing, rear row slide block 1 navigates in this installing hole by pressing plate 17, and the terminal of sliding tray is provided with the second pilot hole, drive unit shovels base 4 in advance for driving, rear row shovel base 2 and in advance slide block 3 to the direction away from moulding, move, this drive unit comprises hydraulic cylinder 12, arm-tie 11, pull bar 8 and shovel pedestal 7, wherein, the piston rod of hydraulic cylinder 12 is fixedly connected with arm-tie 11 by contiguous block 10, one end of pull bar 8 is fixedly connected with arm-tie 11, the other end is fixedly connected with shovel pedestal 7 through the second pilot hole, the terminal of shoveling in advance base 4 is fixed on shovel pedestal 7, and, on shovel pedestal 7, be provided with and the first pilot hole, the link of stop screw is fixedly connected with take-up housing 5 through the first pilot hole, shovel pedestal 7 slides and partly carries out spacing by the nut of stop screw along stop screw.Wherein, the side wall construction of the sliding tray on the second locating part and take-up housing 5 and shovel pedestal 7 adaptations, shovel pedestal 7 slides and is undertaken spacing by the terminal of sliding tray along sliding tray; Distance between the sliding tray terminal of the second locating part 1 and back-off zone is greater than the terminal (the nut part of stop screw) of the first locating part 9 and the distance between the back-off zone.
At this, it should be noted that, when shovel pedestal 7 slides into the terminal (being the nut part of stop screw) of the first locating part 9, slide block 3 breaks away from the back-off zone in advance, and the nut of stop screw part has been carried out spacing to shovel pedestal 7 (and the base of shovel in advance 4 be connected with shovel pedestal 7) simultaneously; Thereby, when shovel pedestal 7 continues to slide, drives take-up housing 5 by stop screw and slide together, thereby the slide block in advance 3 be connected with take-up housing 5 slides to the direction away from moulding vertically with rear row shovel base 2; When shovel pedestal 7 slides into the terminal of sliding tray of the second locating part, rear row slide block 1 breaks away from the back-off zone, and the rear row shovel base 2 that the sliding tray terminal connects for shovel pedestal 7 has simultaneously carried out spacing.
As shown in Fig. 4 and Fig. 7, in the reverse buckle demolding mechanism provided at the present embodiment, also comprise: gripper shoe 13 and guide post 15, wherein, be provided with through hole on gripper shoe 13, the piston rod of hydraulic cylinder 12 is fixedly connected with arm-tie 11 through this through hole, and the second locating part and hydraulic cylinder 12 lay respectively at the both sides of gripper shoe 13; In addition, be provided with the 3rd pilot hole on the second locating part, one end of guide post 15 passes the 3rd pilot hole and is fixedly connected with mould, the other end is fixed on gripper shoe 13, wherein, the axis of the sliding tray on the axis of the axis of guide post 15, pull bar 8, the axis of stop screw and the second locating part is parallel to each other, guaranteeing shoveling in advance base 4, rear row shovel base 2, slide block 3 is consistent with the glide direction of rear row slide block 1 in advance.
To sum up, the reverse buckle demolding mechanism that the present embodiment provides carries out knockout course to the back-off zone of moulding:
Hydraulic cylinder 12 drive installations have the shovel pedestal 7 that shovels in advance base 4 to slide to the direction away from moulding vertically, do the motion of loosing core for the first time, slide block 3 breaks away from the back-off zone gradually in advance, when slide block 3 breaks away from the back-off zone in advance, the terminal of the first locating part 9 is carried out spacing to the shovel pedestal 7 in sliding process, as shown in Figure 9 and Figure 10;
Hydraulic cylinder 12 drives shovel pedestal 7, with shoveling in advance base 4, continue to the direction away from moulding, to slide vertically, and drive slide block 3 and rear row shovel base 2 in advance by the first locating part 9 and slide to the direction away from moulding vertically, do the motion of loosing core for the second time, thereby make slide block 3 in advance exit the back-off zone of moulding, simultaneously, row slide block 1 also breaks away from the back-off zone gradually, when after after row slide block 1 breaks away from the back-off zone, the terminal of the sliding tray of the second locating part is carried out spacing to the shovel pedestal 7 in sliding process, as shown in Figure 11 and Figure 12;
Because the bottom of rear row slide block 1 is fixed on the second locating part, thereby, when hydraulic cylinder 12 continues to drive shovel pedestal 7 to slide to the direction away from moulding vertically, the second locating part also slides to the direction away from moulding vertically with rear row slide block 1, and then the rear row of order slide block 1 also exits the back-off zone of moulding.
As shown in Figure 4 and Figure 5, in above preferred embodiment, slide block 3 and rear row slide block 1 have respectively three in advance, and are staggered and form the back-off part, and simultaneously, shoveling in advance base 4 and rear row shovel base 2 has respectively three and be staggered.But be not limited to this, for slide block 3 and rear row slide block 1 in advance, and shovel in advance the design that base 4 and the magnitude setting of rear row shovel base 2 can also have other, for example can also be arranged to respectively four, eight or other quantity, therefore, the present invention is to this and be not specifically limited.
In addition, above-described embodiment is only a preferred specific embodiment provided by the invention, and those skilled in the art can also expand out other specific embodiment based on above-described embodiment.For example, in the situation that other design is constant, the sliding tray terminal by the second locating part is carried out to the stop screw that spacing design changes into by being connected with rear row slide block 1 to shovel pedestal 7 and carry out spacing to shoveling pedestal 7; Perhaps, in the situation that other design is constant, 9 pairs of the first locating parts shovel pedestals 7 is carried out to spacing design and change into and carry out spacing by sliding tray to shovel pedestal 7.Therefore, the present invention is to this and be not specifically limited.
Visible, the invention provides a kind of back-off release method, comprise the following steps:
Steps A: driving is shoveled in advance base 4 and is moved to the direction away from moulding along the axial of back-off part, until the back-off zone of the 3 disengaging mouldings of slide block in advance that make and shovel in advance base 4 to be slidably connected by draw-in groove;
Step B: then, drive slide block and rear row shovel base 2 in advance along axially the moving to the direction away from moulding of back-off part, until order breaks away from the back-off zone of moulding with the rear row slide block 1 that rear row shovel base 2 is slidably connected by draw-in groove.
In actual application, can also after step B, also comprise step C: after driving, row slide block 1, along axially the moving to the direction away from moulding of back-off part, exits the back-off zone of moulding until go afterwards slide block 1.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. a reverse buckle demolding mechanism, comprise at least two in advance slide block (3) and at least two go afterwards slide block (1), described slide block in advance (3) and described rear row slide block (1) the formation back-off part that is staggered, is characterized in that, also comprises:
Be arranged at the base of shovel in advance (4) at described back-off part center, described slide block in advance (3) and described the shovel in advance between base (4) are slidably connected by the first draw-in groove, and between the bearing of trend of described the first draw-in groove and described glide direction of shoveling in advance base (4), angle is the first draft angle;
Be arranged at the rear row shovel base (2) at described back-off part center, between described rear row slide block (1) and described rear row shovel base (2), by the second draw-in groove, be slidably connected, between the glide direction of the bearing of trend of described the second draw-in groove and described rear row shovel base (2), angle is the second draft angle;
Move demoulding control device for controlling described slide block in advance (3) to the direction away from moulding.
2. back-off stripper apparatus according to claim 1, is characterized in that, described demoulding control device comprises:
For driving the described drive unit that base (4), described rear row shovel base (2) and described slide block in advance (3) move to the direction away from described moulding that shovels in advance;
The first locating part (9), the bottom of the bottom of described slide block in advance (3) and described rear row shovel base (2) all is connected with described the first locating part (9), when described slide block in advance (3) breaks away from the back-off zone, described the first locating part (9) carries out spacing to the described base (4) that shovels in advance in sliding process;
The second locating part, the bottom of described rear row slide block (1) and described the second locating part are connected, and when described rear row slide block (1) breaks away from described back-off zone, described the second locating part carries out spacing to the described rear row shovel base (2) in sliding process.
3. back-off stripper apparatus according to claim 2, is characterized in that, also comprises take-up housing (5), and the bottom of described slide block in advance (3) is fixedly connected with by described take-up housing (5) with the bottom of described rear row shovel base (2).
4. back-off stripper apparatus according to claim 3, is characterized in that, described drive unit comprises:
Hydraulic cylinder (12);
Arm-tie (11), the piston rod of described hydraulic cylinder (12) is fixedly connected with described arm-tie (11);
Shovel pedestal (7), described terminal of shoveling in advance base (4) is fixed on described shovel pedestal (7), when described slide block in advance (3) breaks away from the back-off zone, described the first locating part (9) carries out spacing to the described shovel pedestal (7) in sliding process;
Pull bar (8), an end of described pull bar (8) is fixedly connected with described arm-tie (11), and the other end is fixedly connected with described shovel pedestal (7).
5. back-off stripper apparatus according to claim 4, it is characterized in that, described the first locating part (9) is stop screw, on described shovel pedestal (7), be provided with and the first pilot hole, described stop screw is fixedly connected with described take-up housing (5) through described the first pilot hole, when described slide block in advance (3) breaks away from the back-off zone, the nut part of described stop screw is carried out spacing to the described shovel pedestal (7) in sliding process.
6. back-off stripper apparatus according to claim 5, it is characterized in that, be provided with the sliding tray with the side wall construction adaptation of described take-up housing (5) and described shovel pedestal (7) on described the second locating part, when described rear row slide block (1) breaks away from described back-off zone, the terminal of described sliding tray is carried out spacing to the described shovel pedestal (7) in sliding process, the terminal of described sliding tray is provided with the second pilot hole, and described pull bar (8) is through described the second pilot hole.
7. reverse buckle demolding mechanism according to claim 6, is characterized in that, also comprises:
Gripper shoe (13), described gripper shoe is provided with through hole on (13), and described the second locating part and described hydraulic cylinder (12) lay respectively at the both sides of described gripper shoe (13), and described piston rod is through described through hole;
Guide post (15), be provided with the 3rd pilot hole on described the second locating part, described guide post (15) is through described the 3rd pilot hole, and, one end of described guide post (15) is fixed on mould, it is upper that the other end is fixed on gripper shoe (13), and wherein, the axis of the axis of described guide post (15), the axis of described pull bar (8), described stop screw and the axis of the sliding tray on described the second locating part are parallel to each other.
8. according to the described reverse buckle demolding mechanism of claim 1-7 any one; it is characterized in that; described slide block in advance (3) and described rear row slide block (1) have respectively three; and be staggered and form described back-off part; simultaneously, described base (4) and the described rear row shovel base (2) of shoveling in advance has respectively three and be staggered.
9. a back-off release method, is characterized in that, comprises the following steps:
Steps A: drive and to shovel in advance base (4) along axially the moving to the direction away from moulding of back-off part, until order is shoveled in advance the slide block in advance (3) that base (4) is slidably connected by draw-in groove and broken away from the back-off zone of described moulding with described;
Step B: then, drive described slide block in advance and rear row shovel base (2) to move to the direction away from described moulding along the axial of described back-off part, until order breaks away from described back-off zone with the rear row slide block (1) that described rear row shovel base (2) is slidably connected by draw-in groove.
10. back-off release method according to claim 9, it is characterized in that, also comprise step C after step B: drive described rear row slide block (1) to move to the direction away from described moulding along the axial of described back-off part, until described rear row slide block (1) exits described back-off zone.
CN201310254318.8A 2013-06-24 2013-06-24 A kind of reverse buckle demolding mechanism and a kind of back-off release method Expired - Fee Related CN103419338B (en)

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CN108501333A (en) * 2018-05-30 2018-09-07 开平市百汇模具科技有限公司 A kind of mould structure of internal line position demoulding
CN109808135A (en) * 2017-11-22 2019-05-28 深圳市美好创亿医疗科技有限公司 Inner cavity has the injection mold of back-off structure product

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DE10127566C1 (en) * 2001-06-06 2002-09-12 Rudolf Riedel Gmbh & Co Kg Injection mold with collapsible core for production of ball bearing rings has radially moveable segments with an annular rib and lobe which forms a running groove when segments are rotated
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