CN102133797B

CN102133797B - Movable mold board and bottom mold linkage mechanism of plastic bottle-blowing machine

Info

Publication number: CN102133797B
Application number: CN 201010103699
Authority: CN
Inventors: 王自强
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-01-27
Filing date: 2010-01-27
Publication date: 2013-08-21
Anticipated expiration: 2030-01-27
Also published as: CN102133797A

Abstract

The invention relates to a movable mold board and bottom mold linkage mechanism of a plastic bottle-blowing machine, comprising a fixed mold board, a movable mold board, a bottom mold mounting board and a longitudinal mounting board of the plastic bottle-blowing machine. A bottom mold is mounted on the bottom mold mounting board, and a fixed mold is mounted on the fixed mold board; the movable mold board is connected with a power mechanism which drives the movable mold board to move; and a movable mold is mounted at one side of the movable mold board. The movable mold board and bottom mold linkage mechanism is characterized in that a follower board is fixed at the other side of the movable mold board; the lower end of the follower board is connected with a translation driving shaft which is connected with one end of a crank arm; the other end of the crank arm is connected with a longitudinal moving board which is fixed with the bottom mold mounting board and matched with a longitudinal guide rail slider fixed on the longitudinal mounting board; and a shaft lug of the translation driving shaft is matched with a translation slider fixed on a top board. The invention has the advantages of automatically demolding plastic bottles, lowering labor intensity, overcoming accidents caused by manual bottle fetching, processing a plurality of plastic bottles by one mold and improving production efficiency.

Description

The moving platen of blower for plastic bottle and bed die link gear

Technical field

The present invention relates to a kind of moving platen and bed die link gear of blower for plastic bottle, be used for processing such as beverage bottle, belong to the plastics machinery field.

Background technology

Be raw material with plastics such as PET, adopt and annotate stretch blow processing mineral water bottle, beverage bottles such as Coke bottle, be generally four paws (dividing four parts) or five pawls (dividing five parts) at the bottom of its bottle, existing bottle blowing machine is in order to enhance productivity, 2 or 3 of one mould processing, 4 plastic bottles, some reaches 6, namely so-called one goes out two, one goes out three ... 2 of one mould processing, 3,4 plastic bottles, add to make with regard to inconvenience man-hour and from mould, take out bottle by hand, reliable automatic demoulding only, described automatic demoulding is installed ejecting mechanism above the bottle blowing machine mould, when plastic bottle stretch blow moulding, then after mould (dynamic model and the cover half) die sinking, ejecting mechanism promotes plastics spout, makes plastic bottle pour out the disengaging mould to pushing direction, this for the four stars plastic bottle at the bottom of easy release come off automatically, if the bed die card of (five pawls) and mould gets firmly at the bottom of the five-pointed star bottle, the plastic bottle after the release still can hang on the bed die and can not come off fully.Therefore, the plastic bottle at the bottom of the prior art processing five-pointed star bottle has only by craft gets bottle, has influenced production efficiency.

Summary of the invention

The objective of the invention is to overcome the shortcoming of prior art, when a kind of moving, fixed mold die sinking is provided, bed die moves down, and at first breaks away from the bottom of making bed die and plastic bottle, is promoted moving platen and the bed die link gear of the blower for plastic bottle of plastics spout again by ejecting mechanism.

The technical solution adopted in the present invention is to achieve the above object of the invention:

The moving platen of blower for plastic bottle and bed die link gear, comprise the blower for plastic bottle solid plate, moving platen, bed die installing plate and vertical installing plate, the bed die installing plate is installed bed die, solid plate is installed cover half, moving platen connects its actuating unit that moves of drive, side at moving platen is installed dynamic model, the opposite side that it is characterized in that described moving platen is movable head fixedly, the movable head lower end connects the translation driving shaft, the translation driving shaft is connected with an end of cranking arm, the other end of cranking arm connection vertically moves plate, describedly vertically move plate and the bed die installing plate fixes, and match with longitudinal rail slide block on being fixed on vertical installing plate, the axle ear of described translation driving shaft matches with the translation slide block on being fixed on top board.

The present invention relates to a kind of moving platen and bed die link gear of blower for plastic bottle, connect by vertically moving plate and cooperating carriage in the bottom of bed die installing plate, crank arm, translation driving shaft and the automatic demoulding link gear that cooperates carriage and constitute with the movable head of moving platen interlock thereof, after blower for plastic bottle is finished stretch blow, at moving platen, in the solid plate die sinking separation process, the moving platen drive movable head that moves to left, the translation driving shaft moves to left, cranking arm tilts gradually produces lower pulling force to vertically moving plate, bed die installing plate and bed die glide under the effect of the lower pulling force of cranking arm, automatic demoulding at the bottom of realization bed die and the plastic bottle, by the time after moving platen die sinking puts in place, by bottle pushing mechanism plastic bottle is released from dynamic model, finished plastic bottle and come off.Bed die of the present invention has had the automatic demoulding link gear, can adopt machinery to eject plastic bottle fully when producing five-pointed star plastic bottle or four stars plastic bottle, and the one, processing is reliable, realizes many plastic bottles of mould processing, and raising speed, and production efficiency significantly improves; The 2nd, reduce labor strength, production safety overcomes that manual to get bottle accidents caused.

Described dynamic model and cover half are shaped on 2～6 die cavitys, and each die cavity is furnished with a bed die, and all bed dies are installed on the same bed die installing plate; In actual production, many plastic bottles of a mould time processing are enhanced productivity.Described actuating unit comprises die cylinder and the matched moulds plate of fixing with die cylinder, the matched moulds plate connects an end of the assembly of cranking arm, the middle linking arm of assembly of cranking arm is connected with the oil cylinder piston bar that power is provided for it, the other end of assembly of cranking arm is fixed on the moving platen, and the described assembly of cranking arm respectively has one up and down; This actuating unit clamp force is big, and locked mode is steady.

Description of drawings

Fig. 1 is die opening state structural representation of the present invention;

Fig. 2 is matched moulds status architecture schematic diagram of the present invention;

Fig. 3 is that 6 plastic bottle matched moulds state moulds of the present invention's one mould processing cooperate schematic diagram.

The specific embodiment

The present invention relates to a kind of moving platen and bed die link gear of blower for plastic bottle, as Figure 1-3, comprise blower for plastic bottle solid plate 7, moving platen 4, bed die installing plate 9 and vertical installing plate 19, bed die installing plate 9 is installed bed die 8, solid plate 7 is installed cover half 6, moving platen 4 connects its actuating unit that moves of drive, side at moving platen 4 is installed dynamic model 5, the opposite side that it is characterized in that described moving platen 4 is movable head 15 fixedly, movable head 15 lower ends connect translation driving shaft 14, translation driving shaft 14 is connected with 13 the end of cranking arm, 13 other ends of cranking arm connection vertically moves plate 10, the described plate 10 that vertically moves fixes with bed die installing plate 9, and match with longitudinal rail slide block 11 on being fixed on vertical installing plate 19, vertically move plate 10 and bed die installing plate 9 longitudinally guide rail slide block 11 slide up and down, the axle ear 16 of described translation driving shaft 14 matches with the translation slide block 17 on being fixed on top board 18, translation driving shaft 14 can horizontally slip along translation slide block 17.The present invention connects in the bottom of bed die installing plate 9 by vertically moving plate 10 and cooperating carriage, crank arm 13, translation driving shaft 14 and the automatic demoulding link gear that cooperates carriage and constitute with the movable head 15 of moving platen 4 interlocks thereof, in the matched moulds process, moving platen 4 moves to right and drives movable head 15, translation driving shaft 14 moves to right, because the existence of longitudinal rail slide block 11, crank arm 13 be subjected under translation driving shaft 14 motive force to the right and the support force acting in conjunction upwards vertical gradually, and promotion vertically moves plate 10, bed die installing plate 9 and bed die 8 rise, until moving, cover half 5,6 matched moulds, bed die 8 arrives desired locations at this moment, and blower for plastic bottle begins bottle blowing; After blower for plastic bottle is finished stretch blow, in moving platen 4, solid plate 7 die sinking separation processes, moving platen 4 moves to left and drives movable head 15, translation driving shaft 14 moves to left, crank arm and 13 tilt gradually and produce pulling force to vertically moving plate 10, because the existence of longitudinal rail slide block 11, bed die installing plate 9 and bed die 8 under the effect of 13 pulling force of cranking arm to downslide, self gravitation can play booster action, automatic demoulding at the bottom of realization bed die 8 and the plastic bottle, by the time after moving platen 4 die sinkings put in place, by bottle pushing mechanism plastic bottle 20 is released from dynamic model 5, finished plastic bottle 20 and come off.Bed die 8 of the present invention has had the automatic demoulding link gear, can adopt machinery to eject plastic bottle fully when producing five-pointed star plastic bottle or four stars plastic bottle, and the one, processing is reliable, realizes many plastic bottles of mould processing, and raising speed, and production efficiency significantly improves; The 2nd, reduce labor strength, production safety overcomes that manual to get bottle accidents caused.Described dynamic model and cover half are shaped on a plurality of die cavitys, 2-6 die cavity for example, and each die cavity is furnished with a bed die 8, and all bed dies 8 are installed on the same bed die installing plate 9; In actual production, many plastic bottles of a mould time processing are enhanced productivity.Described actuating unit comprises die cylinder 1 and the matched moulds plate of fixing with die cylinder 12, matched moulds plate 2 connects an end of the assembly 3 of cranking arm, the middle linking arm 31 of assembly 3 of cranking arm is connected with the oil cylinder piston bar 12 that power is provided for it, the other end of assembly 3 of cranking arm is fixed on the moving platen 4, and the described assembly 3 of cranking arm respectively has one up and down; This actuating unit clamp force is big, and locked mode is steady.

Claims

1. the moving platen of blower for plastic bottle and bed die link gear, comprise blower for plastic bottle solid plate (7), moving platen (4), bed die installing plate (9) and vertical installing plate (19), bed die installing plate (9) is installed bed die (8), solid plate (7) is installed cover half (6), moving platen (4) connects its actuating unit that moves of drive, side at moving platen (4) is installed dynamic model (5), the opposite side that it is characterized in that described moving platen (4) is movable head (15) fixedly, movable head (15) lower end connects translation driving shaft (14), translation driving shaft (14) is connected with an end of crank arm (13), (13) other end of cranking arm connection vertically moves plate (10), the described plate (10) that vertically moves fixes with bed die installing plate (9), and match with longitudinal rail slide block (11) on being fixed on vertical installing plate (19), the axle ear (16) of described translation driving shaft (14) matches with the translation slide block (17) on being fixed on top board (18).

2. the moving platen of blower for plastic bottle according to claim 1 and bed die link gear, it is characterized in that described dynamic model and cover half are shaped on 2～6 die cavitys, each die cavity is furnished with a bed die (8), and all bed dies (8) are installed on the same bed die installing plate (9).

3. the moving platen of blower for plastic bottle according to claim 1 and bed die link gear, it is characterized in that described actuating unit comprises die cylinder (1) and the matched moulds plate (2) that fixes with die cylinder (1), matched moulds plate (2) connects an end of the assembly (3) of cranking arm, the middle linking arm (31) of assembly (3) of cranking arm is connected with the oil cylinder that power is provided for it (1) piston rod (12), the other end of assembly (3) of cranking arm is fixed on the moving platen (4), and the described assembly of cranking arm (3) respectively has one up and down.