CN114228108B

CN114228108B - Injection blowing mould movable bottom blocking device

Info

Publication number: CN114228108B
Application number: CN202111569348.9A
Authority: CN
Inventors: 黄秋峰
Original assignee: Zhangjiagang Newmai Machinery Co ltd
Current assignee: Zhangjiagang Newmai Machinery Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2023-08-11
Anticipated expiration: 2041-12-21
Also published as: CN114228108A

Abstract

The invention relates to the technical field of injection blowing machines, in particular to a movable bottom plug device of an injection blowing die, which comprises a cross beam, a die and a bottom plug, wherein a side beam is fixed on the side surface of the cross beam, a first sliding connecting piece is assembled at the bottom of the side beam and comprises a connecting seat, one end of the connecting seat is matched with a first linear sliding rail through a first sliding block to be in sliding connection with the side beam, a connecting block is fixed at the other end of the connecting seat, an oil cylinder is fixed at one side of the connecting block, a turnover connecting piece for connecting the bottom plug is assembled at the other side of the connecting block, one end of the turnover connecting piece is connected with the output end of the oil cylinder, the other end of the turnover connecting piece is connected with the bottom plug, and a secondary displacement mechanism for driving the first sliding connecting piece is assembled on the turnover connecting piece. The invention has small occupied space, low use cost and large translation range, and is beneficial to dust removal operation.

Description

Injection blowing mould movable bottom blocking device

Technical Field

The invention relates to the technical field of injection blowing machines, in particular to a movable bottom blocking device of an injection blowing die.

Background

Conventionally, when a plastic container is injection-molded by an injection-blow molding integrated machine, a label is previously stuck to the inner surface of an injection-blow mold, and then the label is subjected to mold clamping and blow molding, and the label is bonded to the plastic container, that is, in-mold labeling is performed. Because the diversity of the product of production and subsides mark, corresponding structure is also different, for the less product of body diameter, the manipulator of in-mould subsides mark can be very smooth enter into the mould inside and carry out the placing of label, but to the great or the great product of bottle end diameter of body diameter, because the size of end is also great, after the die sinking is accomplished, the manipulator of subsides mark can not be directly place the position that the mould appointed owing to the hindrance of end, so just require increasing necessary structure and shift out to one side to end, make things convenient for labeller manipulator's normal work.

For this, chinese patent publication No.: CN213704502U discloses a stifled translation mechanism at bottom of blowing mould, including the deck plate, be provided with the blowing lower mould on the deck plate, the blowing lower mould top sets up the blowing movable mould board, and the blowing movable mould board bottom surface installation blowing goes up the mould, and the blowing goes up mould and the blowing lower mould is provided with the blowing die cavity of mutually supporting respectively, and blowing goes up mould and blowing lower mould one side and is equipped with end stifled, and end stifled mounting panel is connected to end stifled one side, installs translation hydro-cylinder mount pad on the deck plate, translation hydro-cylinder horizontal mount is on translation hydro-cylinder mount pad.

The translation structure has some problems, firstly, two sets of power are needed to move the bottom plug, the bottom plug is required to be moved out of the die, then the bottom plug is lifted, the manufacturing cost is increased, and the two cylinders are used for driving, so that the later maintenance cost is increased, and the occupied space of the whole equipment is increased;

secondly, the bottom plug can adhere to dust in the repeated movement, and workers can blow off the dust through the air gun, but the current translational bottom plug has a small translational range, is closer to the mould, and is easy to blow in the mould when the air gun blows dust, so that the dust removal effect is affected.

Therefore, there is a need to design a movable bottom blocking device for injection molding tools to solve the above-mentioned problems.

Disclosure of Invention

The invention aims to provide a movable bottom blocking device of an injection blow mold, which solves the problems of large occupied space, high use cost, small translation range and unfavorable dust removal in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a annotate and blow portable end of mould to block up device, includes crossbeam, mould and end to block up, the mould is closed by movable mould and cover half and is constituteed, the movable mould is fixed in the crossbeam bottom, end is blocked up and is linked together with the mould, the side of crossbeam is fixed with the curb girder, first sliding connection spare is equipped with to the bottom of curb girder, first sliding connection spare includes the connecting seat, the one end of connecting seat is through first slider and first straight slide rail cooperation and curb girder sliding connection, the other end of connecting seat is fixed with the connecting block, one side of connecting block is fixed with the hydro-cylinder, the other side of connecting block is equipped with the upset linking piece that is used for linking up end to block up, the one end of upset linking piece links to each other with the output of hydro-cylinder, just the other end and the end of upset linking piece links to each other with end to block up, be equipped with the secondary displacement mechanism that drives first sliding connection spare on the upset linking piece, the one end of secondary displacement mechanism is assembled on the curb girder, the other end of secondary displacement mechanism is assembled on the upset linking piece.

Preferably, the overturning connecting piece comprises a connecting plate, the top of the connecting plate is fixedly connected with the output end of the oil cylinder, the bottom of the connecting plate is rotationally connected with a push-pull rod through a rotating shaft, one end of the push-pull rod, deviating from the connecting plate, is provided with a connecting frame, the connecting frame is fixedly formed by a connecting plate and two connecting rods, the bottom plug is fixed on the connecting plate through bolts, a first connecting shaft is fixed between the two connecting rods, the push-pull rod is rotationally connected with the first connecting shaft, and the push-pull rod abuts against the connecting plate.

Preferably, one end of the connecting rod, which is away from the connecting plate, is fixedly provided with a second connecting shaft, one end of the connecting rod is movably provided with a third sliding connecting piece through the second connecting shaft, the third sliding connecting piece comprises a fixing frame, the top end of the fixing frame is fixedly connected with the lower surface of the connecting seat, the lower surface of the fixing frame is fixedly provided with a third linear sliding rail, the third linear sliding rail is L-shaped, the outer surface of the third linear sliding rail is slidably connected with a third sliding block, and the third sliding block is rotationally connected with the second connecting shaft.

Preferably, the connecting plate is provided with a second sliding connecting piece, the second sliding connecting piece comprises two brackets, the two brackets are respectively fixed on two sides of the connecting plate, the upper surfaces of the two brackets are all fixed with a second sliding block, a second linear sliding rail is connected in the second sliding block in a sliding manner, and the second linear sliding rail is fixed at the bottom of the connecting seat.

Preferably, the secondary displacement mechanism comprises a first rack, the first rack is fixed on the side face of the connecting plate, a smooth surface is arranged at one end, close to the connecting plate, of the first rack, convex teeth are evenly distributed at one end, far away from the connecting plate, of the first rack, a gear is arranged on the side face of the first rack, and the gear is rotationally connected with the connecting seat through a rotating shaft.

Preferably, the outer surface of the gear is meshed with a second rack, the second rack and the first rack are vertically arranged, fixing rods are fixed at two ends of the side face of the second rack, and the top ends of the two fixing rods are fixed at the bottom of the side beam.

Preferably, the outer surface of the connecting seat penetrates through the sliding groove, and the fixing rod penetrates through the sliding groove and is in sliding connection with the sliding groove.

Compared with the prior art, the invention has the beneficial effects that: the movable bottom blocking device of the injection blowing die has the advantages of small occupied space, low use cost and large translation range, and is beneficial to dust removal operation.

(1) Through assembling the end to be stifled on the upset linking piece to link up upset linking piece and secondary displacement mechanism, when the hydro-cylinder promotes the upset linking piece and pulls out from the mould at the end stifled, connecting plate accessible first rack drives the gear rotation, makes the gear roll on the second rack, thereby drives connecting seat, upset linking piece and end stifled joint to the displacement of second rack rear, reaches the effect of the stifled twice displacement of single power drive end, thereby solves the problem that two sets of power drive cost is high, and occupation space is littleer.

(2) Through with push-and-pull rod's both ends respectively with connecting plate and linking frame swing joint to with linking frame and third slider rotate to be connected, after the connecting plate passes through push-and-pull rod and linking frame cooperation with the stifled pulling out the mould at the end of third linear slide rail and by the terminal spacing of third linear slide rail, the output of hydro-cylinder continues outwards to stretch out this moment, will drive the push-and-pull rod and stimulate the linking frame and use the second connecting axle to rotate as the axle center, thereby make stifled rotation at the bottom, increase the displacement scope of stifled at the bottom, also let dust removal angle can follow the stifled change at the bottom, avoid the dust to blow into the problem in the mould, thereby do benefit to dust removal operation.

Drawings

FIG. 1 is a schematic elevational view of the structure of the present invention;

FIG. 2 is a schematic side view of a portion of the structure of the present invention;

FIG. 3 is a schematic top view of a portion of the structure of the flip-flop adapter of FIG. 1 according to the present invention;

FIG. 4 is a schematic view showing the structure of the adapter of FIG. 3 in an inverted state according to the present invention;

FIG. 5 is a schematic front view of the secondary displacement mechanism of FIG. 1 according to the present invention;

fig. 6 is a partial top view schematic of the first rack and pinion configuration of fig. 5 in accordance with the present invention.

In the figure: 1. a cross beam; 2. a mold; 3. a side beam; 4. a first sliding connection; 41. a connecting seat; 42. a first slider; 43. a first linear slide rail; 44. a connecting block; 5. a second sliding connection; 51. a bracket; 52. a second slider; 53. the second linear slide rail; 6. an oil cylinder; 7. turning over the connecting piece; 71. a connecting plate; 72. a push-pull rod; 73. a first connecting shaft; 74. a connecting frame; 75. a second connecting shaft; 76. a third sliding connection; 761. a fixing frame; 762. the third linear slide rail; 763. a third slider; 8. a bottom plug; 9. a secondary displacement mechanism; 91. a first rack; 92. a gear; 93. a fixed rod; 94. and a second rack.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-6, embodiments of the present invention are provided: the utility model provides a movable end of injection blow mould is stifled device, including crossbeam 1, mould 2 and end are stifled 8, mould 2 is put together by movable mould and cover half and is constituteed, the movable mould is fixed in crossbeam 1 bottom, end stifled 8 and mould 2 cooperation, the side of crossbeam 1 is fixed with curb girder 3, the bottom of curb girder 3 is equipped with first sliding connection spare 4, first sliding connection spare 4 includes connecting seat 41, connecting seat 41's one end is through first slider 42 and first straight slide rail 43 cooperation and curb girder 3 sliding connection, connecting seat 41's the other end is fixed with connecting block 44, connecting block 44's one side is fixed with hydro-cylinder 6, connecting block 44's the other side is equipped with the upset linking piece 7 that is used for linking end stifled 8 at the bottom, the one end of upset linking piece 7 links to each other with the output of hydro-cylinder 6, and the other end and end of upset linking piece 7 link to each other with end stifled 8 at the bottom, hydro-cylinder 6 just can drive end stifled 8 through upset linking piece 7 and carry out the displacement.

Further, as shown in fig. 1-4, the turnover connecting piece 7 comprises a connecting plate 71, the top of the connecting plate 71 is fixedly connected with the output end of the oil cylinder 6, the bottom of the connecting plate 71 is rotatably connected with a push-pull rod 72 through a rotating shaft, one end of the push-pull rod 72, which is far away from the connecting plate 71, is provided with a connecting frame 74, the connecting frame 74 is formed by fixing a connecting plate and two connecting rods, the bottom plug 8 is fixed on the connecting plate through bolts, a first connecting shaft 73 is fixed between the two connecting rods, the push-pull rod 72 is rotatably connected with the first connecting shaft 73, the push-pull rod 72 is propped against the connecting frame 74 in a die clamping state, the compression force between the bottom plug 8 and the die 2 is improved, one end of the connecting rod, which is far away from the connecting plate, is fixed with a second connecting shaft 75, and one end of the linking rod is movably equipped with a third sliding connecting piece 76 through a second connecting shaft 75, the third sliding connecting piece 76 comprises a fixing frame 761, the top end of the fixing frame 761 is fixedly connected with the lower surface of the connecting seat 41, a third linear sliding rail 762 is fixedly arranged on the lower surface of the fixing frame 761, the third linear sliding rail 762 is in an L shape, a third sliding block 763 is slidingly connected with the outer surface of the third linear sliding rail 762, the third sliding block 763 is rotatably connected with the second connecting shaft 75, in this way, the L-shaped corner of the third sliding block 763, which is displaced to the third linear sliding rail 762, can be limited, and then when the push-pull rod 72 continues to move towards the outer side of the linking frame 74 along with the connecting plate 71, the push-pull rod 72 can pull the linking frame 74 to rotate by taking the second connecting shaft 75 as the center of a circle through the first connecting shaft 73 until the state shown in fig. 4.

Further, as shown in fig. 1-2, the connecting plate 71 is assembled with the second sliding connection piece 5, the second sliding connection piece 5 includes two brackets 51, the two brackets 51 are respectively fixed on two sides of the connecting plate 71, the upper surfaces of the two brackets 51 are both fixed with a second sliding block 52, the second sliding block 52 is slidably connected with a second linear sliding rail 53, and the second linear sliding rail 53 is fixed at the bottom of the connecting seat 41, so as to improve the sliding stability of the connecting plate 71 at the bottom of the connecting seat 41.

The turnover connecting piece 7 is provided with a secondary displacement mechanism 9 for driving the first sliding connecting piece 4, one end of the secondary displacement mechanism 9 is assembled on the side beam 3, the other end of the secondary displacement mechanism 9 is assembled on the turnover connecting piece 7, the secondary displacement mechanism 9 comprises a first rack 91, the first rack 91 is fixed on the side face of the connecting plate 71, one end, close to the connecting plate 71, of the first rack 91 is provided with a smooth surface, one end, far away from the connecting plate 71, of the first rack 91 is uniformly distributed with convex teeth, the side face of the first rack 91 is provided with a gear 92, and the gear 92 is rotationally connected with the connecting seat 41 through a rotating shaft, so that when the turnover connecting piece 7 drives the first rack 91 and the bottom plug 8 to displace, the first rack 91 can be pulled to rotate after the bottom plug 8 moves out of the die 2, the outer surface of the gear 92 is meshed with a second rack 94, two side faces of the second rack 94 are both fixed with fixing rods 93, and the top ends of the two fixing rods 93 are fixed on the bottom of the side beam 3, and when the gear 92 rotates, the second rack 94 can be rotationally connected with the bottom seat 41 in a rolling mode, and the turnover connecting piece 7 can be rotationally connected with the bottom plug 41.

Further, the outer surface of the connecting seat 41 penetrates through the sliding groove, the fixing rod 93 penetrates through the sliding groove and is in sliding connection with the sliding groove, so that the fixing rod 93 can slide in the sliding groove on the surface of the connecting seat 41, the connecting seat 41 does not need to be staggered with the fixing rod 93, the structural design is more compact, and meanwhile, the sliding of the connecting seat 41 is more stable.

Working principle: the beam 1 is assembled on the injection blowing machine, the beam 1 can be driven to lift by driving equipment on the injection blowing machine, the movable mould lifts along with the beam 1, and the fixed mould is not movable, which is the prior art and is not described too much.

When the die is opened, the cross beam 1 is lifted up with the movable die, and the side beam 3 and the parts mounted on the side beam 3 are lifted up, and at this time, the oil pressure is supplied to the oil cylinder 6, so that the oil cylinder 6 operates to drive the connecting plate 71 to move to the side away from the oil cylinder 6, and the bottom plug 8 is displaced to the side away from the movable die.

Meanwhile, the connecting plate 71 can drive the gear 92 to rotate through the first rack 91, so that the gear 92 rolls on the second rack 94, and the connecting seat 41, the overturning connecting piece 7 and the bottom plug 8 are driven to jointly move towards the rear of the second rack 94, so that the secondary displacement of the bottom plug 8 is realized.

When the connecting plate 71 pulls the bottom plug 8 out of the die 2 through the cooperation of the push-pull rod 72 and the connecting frame 74, the third sliding block 763 also moves to the tail end of the third linear sliding rail 762 along with the connecting frame 74 and is limited by the tail end of the third linear sliding rail 762, and at the moment, the output end of the oil cylinder 6 continues to extend outwards, so that the push-pull rod 72 is driven to pull the connecting frame 74 to rotate by taking the second connecting shaft 75 as the axis, the bottom plug 8 is rotated, the displacement range of the bottom plug 8 is enlarged, and the dust removal angle can be changed along with the bottom plug 8.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a annotate and blow movable end of mould stifled device, includes crossbeam (1), mould (2) and end stifled (8), mould (2) are put together by movable mould and cover half and are constituteed, and the movable mould is fixed in crossbeam (1) bottom, end is stifled (8) and cooperation of mould (2), its characterized in that: the side of the beam (1) is fixedly provided with a side beam (3), the bottom of the side beam (3) is provided with a first sliding connecting piece (4), the first sliding connecting piece (4) comprises a connecting seat (41), one end of the connecting seat (41) is matched with a first linear sliding rail (43) through a first sliding block (42) to be in sliding connection with the side beam (3), the other end of the connecting seat (41) is fixedly provided with a connecting block (44), one side of the connecting block (44) is fixedly provided with an oil cylinder (6), the other side of the connecting block (44) is provided with a turnover connecting piece (7) for connecting a bottom plug (8), one end of the turnover connecting piece (7) is connected with the output end of the oil cylinder (6), the other end of the turnover connecting piece (7) is connected with the bottom plug (8), one end of the turnover connecting piece (7) is provided with a secondary displacement mechanism (9) for driving the first sliding connecting piece (4), one end of the secondary displacement mechanism (9) is assembled on the side beam (3), one end of the secondary displacement mechanism (9) is provided with a gear (92) on the side of the side beam (91), the other end of the turnover connecting piece (9) is provided with a rack (91) through a rotation connecting piece (91), the outer surface of the gear (92) is meshed with a second rack (94).

2. The movable bottom plug device of an injection blow mold according to claim 1, wherein: the overturning connecting piece (7) comprises a connecting plate (71), the top of the connecting plate (71) is fixedly connected with the output end of the oil cylinder (6), the bottom of the connecting plate (71) is rotationally connected with a push-pull rod (72) through a rotating shaft, one end of the push-pull rod (72) deviating from the connecting plate (71) is provided with a connecting frame (74), the connecting frame (74) is formed by fixing a connecting plate and two connecting rods, the bottom plug (8) is fixed on the connecting plate through bolts, a first connecting shaft (73) is fixed between the two connecting rods, the push-pull rod (72) is rotationally connected with the first connecting shaft (73), and the push-pull rod (72) is propped against the connecting plate.

3. The movable bottom plug device of the injection blow mold according to claim 2, wherein: the connecting rod is fixed with second connecting shaft (75) in one end that deviates from the connecting plate, and connecting rod's one end is equipped with third slip joint spare (76) through second connecting shaft (75) activity, third slip joint spare (76) are including mount (761), the top and the connecting seat (41) lower surface fixed connection of mount (761), the lower surface fixed of mount (761) has third linear slide rail (762), third linear slide rail (762) are L shape, the surface sliding connection of third linear slide rail (762) has third slider (763), just third slider (763) rotate with second connecting shaft (75) to be connected.

4. The movable bottom plug device of the injection blow mold according to claim 2, wherein: be equipped with second sliding connection spare (5) on connecting plate (71), second sliding connection spare (5) include two supports (51), two support (51) are fixed respectively in the both sides of connecting plate (71), two the upper surface of support (51) all is fixed with second slider (52), sliding connection has second linear slide rail (53) in second slider (52), just second linear slide rail (53) are fixed in the bottom of connecting seat (41).

5. The movable bottom plug device of the injection blow mold according to claim 2, wherein: the first rack (91) is fixed on the side face of the connecting plate (71), one end, close to the connecting plate (71), of the first rack (91) is provided with a smooth surface, and protruding teeth are evenly distributed at one end, far away from the connecting plate (71), of the first rack (91).

6. The movable bottom plug device for an injection blow mold according to claim 5, wherein: the second racks (94) and the first racks (91) are arranged up and down, fixing rods (93) are fixed at two ends of the side face of each second rack (94), and the top ends of the two fixing rods (93) are fixed at the bottom of the side beam (3).

7. The movable bottom plug device for an injection blow mold according to claim 6, wherein: the outer surface of the connecting seat (41) is penetrated and provided with a sliding groove, and the fixing rod (93) penetrates through the sliding groove and is in sliding connection with the sliding groove.