Locked mode shaft assembly up-down striking gear
Technical field
The present invention relates to the locked mode shaft assembly up-down striking gear of a kind of clamping mechanism, particularly a kind of clamping mechanism.
Background technology
On the mould bases of bottle blowing machine clamping mechanism is installed; During work; The time closure or openness that clamping mechanism can make mould bases set; Thereby the mould on the drive mould bases is opened simultaneously with mould bases or is closed up, and carries out blow molding in the die cavity of mould and guarantee that the finished product bottle can be taken out fast, so frequently repeatedly carries out from the die cavity of mould to guarantee that bottle embryo can be sent to fast.And be that response country calls about the environmental protection of energy-saving and emission-reduction and low-carbon economy; Bottle blowing machine develops towards direction full-automatic, high-speed cruising; Improving rate of energy, and can bottle blowing machine be realized automatically, a key factor of high-speed cruising is that can clamping apparatus realize the closure or openness mould bases smoothly.
Of Fig. 1 is a kind of clamping mechanism of prior art; It adopts the twin shaft clamping mechanism, comprises being installed in the locked mode shaft assembly 100 and axis of guide assembly 200 that can slide up and down simultaneously on the mould bases, and wherein the bottom of the locked mode axle of locked mode shaft assembly 100 is equipped with roll wheel assembly 300; Connect through connector 400 between locked mode shaft assembly 100 and the axis of guide assembly 200; During work, clamping mechanism rotates with frame, when first roller 301 of roll wheel assembly 300 moves to locked mode guide rail (not shown); When first roller 301 rolls along the track of locked mode guide rail; Drive the locked mode axle and go up and down, thereby drive the locked mode pin insertion on the locked mode axle or withdraw from the lock nostril of mould bases with axis of guide assembly 200, make left and right mould bases 500,600 can be under the effect of folding mould linkage (not shown) closure or openness; Thereby the drive mould is opened simultaneously or is closed up; Carried out blow molding in the die cavity of mould and the finished product bottle can be taken out from the die cavity of mould fast so that the bottle embryo can send to fast, in entire work process, 200 up-downs to the locked mode axle of axis of guide assembly play the guiding role.Though during this kind clamping mechanism can satisfy preferably, the locked mode requirement of low speed bottle blowing machine, can't satisfy the locked mode requirement of fully automatic high-speed bottle blowing machine, reason is: 1, under the situation that bottle blowing machine runs up; Locked mode axle and axis of guide assembly go up and down simultaneously; Usually can interfere the phenomenon of (suppressing), thereby cause mould bases unlatching and closure to have some setbacks, when serious; Can cause bottle blowing machine to be shut down, increase the fault rate of bottle blowing machine.2, clamping mechanism is set up axis of guide assembly 200, has strengthened the weight of bottle blowing main frame, and corresponding rotary inertia of main frame and centrifugal force are strengthened, and is restricting the speed of service of fully automatic high-speed bottle blowing machine.When 3, first roller 301 moves to the locked mode guide rail; Because inertia force can produce a kind of interactional impulsive force between first roller 301 and the locked mode guide rail, this impulsive force is to the horizontal effect of locked mode axle; Cause the locked mode axle to occur bending and deformation easily; And this flexural deformation can make on the one hand and interferes more easily between locked mode axle and the axis of guide assembly, causes the locked mode axle to be suppressed extremely, finally makes the bottle blowing machine shutdown; Then aggravate the wearing and tearing of locked mode axle on the other hand, shortened the service life of locked mode axle significantly.
Summary of the invention
But the striking gear that the object of the present invention is to provide a kind of smooth drive locked mode assembly to go up and down, it can make clamping mechanism satisfy the locked mode requirement of fully automatic high-speed bottle blowing machine, reduces the fault rate of bottle blowing machine, and the service life of improving the locked mode axle.
Locked mode shaft assembly up-down striking gear of the present invention; Comprise the slide block that is fixed on locked mode axle bottom, and be used to drive the swing arm member that slide block goes up and down that described swing arm member comprises the pedestal that is fixed on the mould bases; Be hinged with swing arm on the pedestal; One side of swing arm is installed roll wheel assembly, and opposite side extends shifting shaft, and slide block and shifting shaft face in opposite directions has the slideway that supplies shifting shaft to stretch into.
The present invention is fixed with slide block in the bottom of locked mode axle; And be fixed with at mould bases and can drive the swing arm member that slide block goes up and down; After first roller of roll wheel assembly moved to the locked mode guide rail position, when first roller rolled along the track of locked mode guide rail, first roller that the locked mode guide rail orders about roll wheel assembly drove shifting shaft and makes arc with swing arm around the hinge of swing arm and swing; When shifting shaft is upwards swung; It can drive slide block to rising and driving whole locked mode shaft assembly rising, makes the locked mode pin on the locked mode shaft assembly withdraw from the locked mode hole of mould bases, and then folding mould linkage can be opened left and right sides mould bases; When shifting shaft during to lower swing; It can drive slide block and descend to descending and driving whole locked mode shaft assembly; The locked mode hole that makes the locked mode pin on the locked mode shaft assembly insert mould bases, and then will be closed through the left and right sides mould bases after folding mould linkage closes up, thereby make clamping mechanism can realize unlatching and closure reposefully to mould bases; And need not adopt axis of guide assembly to lead; Therefore, can thoroughly avoid causing twin shaft (the locked mode axle and the axis of guide) to interfere (suppressing) because of bottle blowing main frame high-speed cruising in the prior art and then causing the situation of bottle blowing machine shutdown to take place, and alleviate the weight of bottle blowing main frame; Rotary inertia and centrifugal force during the rotation of corresponding minimizing bottle blowing main frame can develop full-automatic rotary bottle blow-moulding machine to the direction of high-speed cruising more.In addition; When roll wheel assembly moves to the position of locked mode guide rail; Though because inertia force still can produce a kind of interactional impulsive force between first roller and the locked mode guide rail, this moment, the locked mode guide rail was born by the roller shaft of roll wheel assembly and the hinge of swing arm the impulsive force of first roller jointly; And shifting shaft is to drive slide block through the slip in the slideway of slide block when swinging up and down to go up and down; Like this, the locked mode guide rail just becomes the driving force that shifting shaft promotes the slide block up-down to the impulsive force of first roller, so this impulsive force can not form the lateral impact forces to the locked mode axle; Also take place because of the situation that lateral impact forces causes the locked mode axle to occur bending and deformation with regard to having avoided; Thereby make the locked mode shaft assembly can realize more swimmingly, and can reduce the wearing and tearing probability of locked mode axle, the service life of improving the locked mode axle significantly with the closure or openness mould bases.
Description of drawings
Fig. 1 is the user mode figure of prior art.
Fig. 2 is user mode figure of the present invention.
Fig. 3 is the structural representation of swing arm member of the present invention.
Fig. 4 is the structural representation of slide block of the present invention.
Fig. 5 is that slide block of the present invention is installed in the installation diagram on the locked mode shaft assembly.
The specific embodiment
Shown in Fig. 2 to 5, locked mode shaft assembly up-down striking gear of the present invention comprises the slide block 10 of locked mode axle 11 bottoms that are fixed on locked mode shaft assembly 1; And the swing arm member that is used to drive slide block 10 up-downs; Described swing arm member comprises the pedestal 2 that is fixed on the mould bases, is hinged with swing arm 3 on the pedestal 2, and a side of swing arm 3 is installed roll wheel assembly 4; This roll wheel assembly 4 is a prior art; It mainly comprises the roller shaft 41 that is installed in the swing arm 3 and is installed in first roller 42 and second roller 43 on the roller shaft 41, and wherein first roller 41 matches with locked mode guide rail (not shown) on the bottle blowing machine, and the opposite side of swing arm 3 extends shifting shaft 5; Slide block 10 has the slideway 101 that supplies shifting shaft 5 to stretch into shifting shaft 5 face in opposite directions, and the back-moving spring 12 on the upper surface of slide block 10 and the locked mode axle 1 offsets.After first roller 42 of roll wheel assembly 4 moves to the locked mode guide rail position; When first roller 42 rolls along the track of locked mode guide rail; The locked mode guide rail orders about first roller, the 42 drive shifting shafts 5 of roll wheel assembly 4 and does the arc swing with swing arm 3 around the hinge of swing arm 3; When shifting shaft 5 is upwards swung; It can drive slide block 10 to rising and driving whole locked mode shaft assembly 1 rising, makes the locked mode pin on the locked mode shaft assembly 1 withdraw from the locked mode hole of mould bases, and then folding mould linkage can be opened left and right mould bases 6,7; When shifting shaft during to lower swing; It can drive slide block 10 and descend to descending and driving whole locked mode shaft assembly 1; The locked mode hole that makes the locked mode pin 13 on the locked mode shaft assembly 1 insert mould bases, and then will be through 6,7 closures of the left and right mould bases after folding mould linkage closes up, thereby make clamping mechanism can realize unlatching and closure reposefully to mould bases; And need not adopt axis of guide assembly to lead; Therefore, can thoroughly avoid causing twin shaft (the locked mode axle and the axis of guide) to interfere (suppressing) because of bottle blowing main frame high-speed cruising in the prior art and then causing the situation of bottle blowing machine shutdown to take place, and alleviate the weight of bottle blowing main frame; Rotary inertia and centrifugal force during the rotation of corresponding minimizing bottle blowing main frame can develop full-automatic rotary bottle blow-moulding machine to the direction of high-speed cruising more.In addition; When roll wheel assembly 4 moves to the position of locked mode guide rail; Though because inertia force still can produce a kind of interactional impulsive force between first roller 42 and the locked mode guide rail, this moment, the locked mode guide rail can be born by the roller shaft 41 of roll wheel assembly 4 and the hinge of swing arm the impulsive force of first roller 42 jointly; And shifting shaft 5 is to drive slide block 10 through the slip in the slideway 101 of slide block 10 when swinging up and down to go up and down; Like this, the locked mode guide rail just becomes the driving force that shifting shaft 5 promotes slide block 10 up-downs to the impulsive force of first roller 42, so this impulsive force can not form the lateral impact forces to locked mode axle 11; Also take place because of the situation that lateral impact forces causes locked mode axle 11 to occur bending and deformation with regard to having avoided; Thereby make locked mode shaft assembly 1 can realize more swimmingly, and can reduce the wearing and tearing probability of locked mode axle 11, the service life of improving locked mode axle 11 significantly with the closure or openness mould bases.
As shown in Figure 2, pedestal 2 is to be fixed on the mould bases through attachment screw 8, and the quantity of this attachment screw 8 is at least two, is illustrated in figure 2 as two situation; Certainly, pedestal also can adopt existing other connected modes (like welding) to be fixed on the mould bases, and because fixed connection is common connected mode, no longer gives unnecessary details here.
As shown in Figure 3, on the described pedestal 2 arm shaft 21 is arranged, swing arm 3 is hinged on the arm shaft 21 and can rotates around arm shaft 21; Certainly, swing arm 3 also can adopt existing other connected modes to be hinged on the pedestal, and since hinged be common connected mode, no longer it is given unnecessary details here.
As shown in Figure 3; For reducing the wearing and tearing between shifting shaft 5 and the slideway 101; And the harmful effect that impulsive force produced of further dissolving locked mode guide rail pair roller assembly 4 and locked mode axle 11; Can turning wheel 9 be installed on shifting shaft 5, turning wheel 9 is arranged in slideway 101, and can in slideway 101, roll.
Institute is shown in Figure 3, and described shifting shaft 5 can be the part that roller shaft 41 extends out, and also can be the absolute construction that is fixed on swing arm 3 opposite sides, can also be and swing arm 3 integrated structures.