CN104260325A - Handle mounting hole forming mechanisms and forming method of rear-arrangement PET bottle blowing mold - Google Patents
Handle mounting hole forming mechanisms and forming method of rear-arrangement PET bottle blowing mold Download PDFInfo
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- CN104260325A CN104260325A CN201410383162.8A CN201410383162A CN104260325A CN 104260325 A CN104260325 A CN 104260325A CN 201410383162 A CN201410383162 A CN 201410383162A CN 104260325 A CN104260325 A CN 104260325A
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Abstract
The invention provides a forming method of a handle mounting hole of a rear-arrangement PET bottle blowing mold. The forming method comprises the following steps that S1, a PET bottle embryo is placed in a PET bottle blowing mold cavity, and high-pressure gas is led into the cavity for blow molding; S2, PET handle mounting fixing hole forming mechanisms do the stretching-out motion and are attached to a PET bottle in the blow molding state to form handle mounting fixing holes; S3, the PET handle mounting fixing hole forming mechanisms retreat, the PET bottle blowing mold cavity is opened, and the PET bottle is taken out. Meanwhile, the invention provides a low-pressure forming mechanism of the handle mounting holes of the rear-arrangement PET bottle blowing mold. The low-pressure forming mechanism comprises the bottle blowing mold cavity for PET bottle blow molding and a low-pressure forming mechanism body which is matched with the bottle blowing mold cavity and used for forming PET bottle handle mounting fixing grooves. The low-pressure forming mechanism body is adopted to be matched with the bottle blowing mold cavity, and the blow molding PET bottle forms the handle mounting grooves in the corresponding upper handle mounting position and the lower handle mounting position of the outer side of the PET bottle under extrusion of the inner cavity high-pressure gas and external telescopic mechanical arms.
Description
Technical field
The present invention relates to plastic moulds technology field, refer more particularly to a kind of shaping mechanism and forming method thereof of handle installing hole of rear-mounted PET bottle blowing mould.
Background technology
PET(poly terephthalic acid class plastics) bottle carries out in the process of blow molding in bottle blowing mould, need by taking a set of handle installation cavity shaping mechanism to match with plastic bottle die cavity, so that plastic bottle housing is in the process of blow molding, corresponding handle installation site forms handle mounting groove to plastic bottle hull outside.Wherein, because plastic bottle is in blow-moulding process, its inner blow gas is gases at high pressure, therefore the handle installation cavity shaping mechanism for handle mounting groove is possessing in larger power situation, just can balance each other with the gases at high pressure of plastic bottle inside cavity, thus making plastic bottle body in the process of blow molding, the position of installing at hull outside handle forms handle mounting groove.Existing handle installation cavity shaping mechanism its in order to possess larger power performance, the power set adopted are often powerful device, specifically be exactly adopt gases at high pressure, inclined-plane relative sliding and spring match and incompatiblely realize stretching out and retraction of mechanical arm, during work, whole mechanism is higher to sealing requirements, simultaneously because gases at high pressure need to possess the retraction force that should overcome mechanical arm, overcome the reaction force of spring again, thus make the high-pressure gas pressure of needs very large, in addition, because gases at high pressure are in the process of on-off, ear-piercing noise can be caused, simultaneously in-house sealing ring is easy to wear, spring fatiguability ruptures, life-span is low, mechanism is easily stuck, causes shutdown, and impact is produced.Whole handle installation cavity shaping mechanism complex structure, maintenance cost is high, is unfavorable for the reduction of enterprise's production cost.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide one to realize structure simple, cost is lower, and working stability is reliable, the forming method of the handle installing hole shaping mechanism of the rear-mounted PET bottle blowing mould that production efficiency is high.
For achieving the above object, technical scheme provided by the present invention is: 1, a kind of forming method of handle installing hole of rear-mounted PET bottle blowing mould, is characterized in that: comprise the following steps:
S1: PET bottle embryo is put into PET bottle blow molding die cavity, passes into gases at high pressure and carries out blow molding;
Fixing hole shaping mechanism extend action installed by S2:PET handle, and fitting with the PET bottle be in blow molding forms handle and install fixing hole;
S3:PET handle is installed fixing hole shaping mechanism and is exited, and PET bottle blow molding die cavity is opened, and PET bottle is taken out.
Simultaneously, the present invention also provides a kind of low pressure molding mechanism of handle installing hole of rear-mounted PET bottle blowing mould, comprises for the bottle blowing moulding die cavity of PET bottle blow molding and the low pressure molding mechanism of installing holddown groove for the formation of PET bottle handle that coordinates with this bottle blowing moulding die cavity.
Preferably, described low pressure molding mechanism comprises driving lever, for driving the cylinder of described driving lever action and being removably connected at least one composing type assembly on this driving lever; Described molding assembly comprises rack and pinion drive mechanism, connecting plate, forms the power transmission shaft be rotationally connected and a pair shaping mechanism being respectively used to be formed PET handle bottle up knob mounting groove with described connecting plate, each shaping mechanism comprises the connecting rod telescopic machine mechanical arm for the formation of handle mounting groove hinged with this connecting rod one end, tooth bar in wherein said rack and pinion drive mechanism is connected with described driving lever dismoutability is fastening, gear is connected with described power transmission shaft one end is fastening, and this power transmission shaft other end is articulated and connected with described a pair shaping mechanism respectively.
Preferably, described low pressure molding mechanism comprises cylinder and the molding assembly by this air cylinder driven, described molding assembly comprises rack and pinion drive mechanism, connecting plate, the power transmission shaft be rotationally connected and a pair shaping mechanism being respectively used to be formed PET handle bottle up knob mounting groove is formed with described connecting plate, each shaping mechanism comprises the connecting rod telescopic machine mechanical arm for the formation of handle mounting groove hinged with this connecting rod one end, tooth bar in wherein said rack and pinion drive mechanism and described cylinders, gear is connected with described power transmission shaft one end is fastening, this power transmission shaft other end is articulated and connected with described a pair shaping mechanism respectively.
Further, the described power transmission shaft other end is hinged and connected with described a pair shaping mechanism respectively by the round turntable be provided with, and the connecting rod other end wherein in each shaping mechanism and this rotating disk are hinged.
Further, described connecting plate is formed be rotationally connected by being provided with pair of bearings and described power transmission shaft, and wherein this pair of bearings is installed in the upper and lower two ends of bearing mounting hole that connecting plate is provided with respectively.
Preferably, described low pressure molding mechanism comprises a pair section gap the first drive rod positioned opposite and the second drive rod, the cylinder being respectively used to drive this first pair of drive rod and the second drive rod linear reciprocating motion for a pair and at least one group of the second molding assembly be articulated with between this first drive rod and second drive rod; Each second molding assembly comprise a pair respectively with described first drive rod and the hinged link assembly of the second drive rod and a pair telescopic machine mechanical arm for the formation of upper and lower handle mounting groove, wherein each link assembly comprises the jointly hinged connecting rod in a pair one end, and this pair of links other end is hinged with described a pair telescopic machine mechanical arm respectively.
Preferably, described low pressure molding mechanism comprises for the bottle blowing die cavity of PET bottle blow molding and the molding assembly installing holddown groove for the formation of PET bottle handle that matches with this bottle blowing die cavity, this molding assembly comprises driving lever, for driving the cylinder of this driving lever telescopic moving, connecting plate, installing mechanical arm and a pair connecting rod of holddown groove for a pair for the formation of handle, wherein said molding assembly consists of connecting plate and described bottle blowing die cavity and is fastenedly connected; Described a pair mechanical arm and connecting plate one side are hinged, and this pair mechanical arm is also hinged with described a pair connecting rod one end respectively, and this pair connecting rod other end is articulated with on described driving lever jointly.
Preferably, described low pressure molding mechanism comprises for the shaping mold cavity of PET bottle blow molding and the molding assembly that coordinates with this shaping mold cavity, this molding assembly comprises driving lever, for driving the driving cylinder of this driving lever telescopic moving and being removably connected at least one composing type assembly on this driving lever, each molding assembly comprises the mount pad be connected with described driving lever dismoutability, connecting plate, a pair mechanical arm for the formation of PET bottle handle installation fixing hole and the connecting axle be fastenedly connected with this pair mechanical arm respectively for a pair, wherein said a pair mechanical arm and described connecting plate form and are slidably connected, the draw-in groove that the cylindrical limiting section that this pair mechanical arm is also provided with by described a pair connecting axle one end and connecting plate are provided with is positioned on this connecting plate, described cylindrical limiting section also forms with a pair be slidably connected in the "eight" shape waist-shaped hole be arranged on mount pad respectively, when described driving lever drives mount pad to move back and forth, this a pair waist-shaped hole promotes this pair mechanical arm respectively by described connecting axle and stretches out or shrink mobile.
Preferably, described low pressure molding mechanism comprises for the shaping mold cavity of PET bottle blow molding and the laborsaving molding assembly that coordinates with this shaping mold cavity, this molding assembly comprises driving cylinder, rack and-pinion mechanism, for the connecting plate removably connected with described shaping mold cavity, power transmission shaft, for the formation of PET bottle handle, mechanical arm and a pair connecting rod of fixing hole is installed a pair, rack and pinion in wherein said rack and-pinion mechanism is connected with power transmission shaft one end with driving cylinder respectively, this power transmission shaft other end is also hinged with described a pair connecting rod one end respectively, this a pair connecting rod other end is hinged with described a pair mechanical arm respectively, described power transmission shaft consists of bearing and described connecting plate and is rotationally connected.
The present invention, after have employed such scheme, matches with bottle blowing moulding die cavity by adopting low pressure molding mechanism.Telescopic moving in the track that mechanical arm in low pressure molding mechanism is provided with along PET bottle die cavity under the driving of low-pressure gas, contact with the PET bottle be in blowing state, blow molding PET bottle, under inner chamber gases at high pressure and outside telescopic machine mechanical arm extrude mutually, outside PET bottle, corresponding handle installation site up and down forms handle mounting groove.In addition this programme can also by being provided with many composing types assembly, can realize simultaneously to the work of many group bottle blowings, this programme is made to simplify device structure while improve production efficiency, adopt lower-powered power set to realize the shaping work of handle mounting groove, effective production cost reducing enterprise.
Accompanying drawing explanation
Fig. 1 is the handle installing hole shaping mechanism STRUCTURE DECOMPOSITION schematic diagram of embodiment one in the present invention.
Fig. 2 is the handle installing hole shaping mechanism structural representation of embodiment one in the present invention.
Fig. 3 is that in the handle installing hole shaping mechanism of embodiment one in the present invention, telescopic machine mechanical arm stretches out back structures view when matching with the die cavity in PET bottle bottle blowing mould.
Fig. 4 is that in the handle installing hole shaping mechanism of embodiment one in the present invention, telescopic machine mechanical arm stretches out forward structure view when matching with the die cavity in PET bottle bottle blowing mould.
Fig. 5 is that in the handle installing hole shaping mechanism of embodiment one in the present invention, telescopic machine mechanical arm regains back structures view when matching with the die cavity in PET bottle bottle blowing mould.
Fig. 6 is that in the handle installing hole shaping mechanism of embodiment one in the present invention, telescopic machine mechanical arm regains forward structure view when matching with the die cavity in PET bottle bottle blowing mould.
Fig. 7 is the handle installing hole shaping mechanism structural representation of embodiment two in the present invention.
Fig. 8 is the handle installing hole shaping mechanism plan structure schematic diagram of embodiment two in the present invention.
Fig. 9 is the handle installing hole shaping mechanism structural representation of embodiment three in the present invention.
Figure 10 is the handle installing hole shaping mechanism STRUCTURE DECOMPOSITION schematic diagram of embodiment three in the present invention.
Figure 11 is that in the handle installing hole shaping mechanism of embodiment three in the present invention, telescopic machine mechanical arm stretches out back structures view when matching with the die cavity in PET bottle bottle blowing mould.
Figure 12 is that in the handle installing hole shaping mechanism of embodiment three in the present invention, telescopic machine mechanical arm stretches out forward structure view when matching with the die cavity in PET bottle bottle blowing mould.
Figure 13 is that in the handle installing hole shaping mechanism of embodiment three in the present invention, telescopic machine mechanical arm regains back structures view when matching with the die cavity in PET bottle bottle blowing mould.
Figure 14 is that in the handle installing hole shaping mechanism of embodiment three in the present invention, telescopic machine mechanical arm regains forward structure view when matching with the die cavity in PET bottle bottle blowing mould.
Figure 15 is the handle molding mechanism structural representation of embodiment four in the present invention.
Figure 16 is the perspective view of the handle molding mechanism of embodiment four in the present invention when being installed on that in PET bottle bottle blowing mould, die cavity matches.
Figure 17 is the back structures view of the handle molding mechanism of embodiment four in the present invention when being installed on that in PET bottle bottle blowing mould, die cavity matches.
Figure 18 is the forward structure view of the handle molding mechanism of embodiment four in the present invention when being installed on that in PET bottle bottle blowing mould, die cavity matches.
Figure 19 be in Figure 17 A to sectional structure schematic diagram.
Figure 20 is the handle molding mechanism structural representation of embodiment five in the present invention.
Figure 21 is the handle installing hole shaping mechanism STRUCTURE DECOMPOSITION schematic diagram of embodiment five in the present invention.
Figure 22 is that in the handle installing hole shaping mechanism of embodiment five in the present invention, telescopic machine mechanical arm stretches out configuration state schematic diagram when matching with the die cavity in PET bottle bottle blowing mould.
Figure 23 is that in the handle installing hole shaping mechanism of embodiment five in the present invention, telescopic machine mechanical arm regains configuration state schematic diagram when matching with the die cavity in PET bottle bottle blowing mould.
Figure 24 is that B in Figure 23 is to sectional structure schematic diagram.
Figure 25 is handle installing hole shaping mechanism structural representation in embodiment six in the present invention.
Figure 26 is the structural representation of molding assembly in embodiment six in the present invention.
Figure 27 is structural representation when handle installing hole shaping mechanism structure is stretched out in embodiment six in the present invention.
Figure 28 is that C in Figure 27 is to sectional structure schematic diagram.
Figure 29 is structural representation when handle installing hole shaping mechanism structure is retracted in embodiment six in the present invention.
Figure 30 is the structural representation matched with the die cavity in PET bottle bottle blowing mould when handle installing hole shaping mechanism structure is retracted in embodiment six in the present invention.
Figure 31 is the handle installing hole shaping mechanism STRUCTURE DECOMPOSITION schematic diagram of embodiment six in the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment one:
The present embodiment provides a kind of rear-mounted handle PET bottle blowing handle to install the forming method of fixing hole, it is characterized in that: comprise the following steps: S1: PET bottle embryo is put into PET bottle blow molding die cavity, passes into gases at high pressure and carry out blow molding; Fixing hole shaping mechanism extend action installed by S2:PET handle, and fitting with the PET bottle be in blow molding forms handle and install fixing hole; S3:PET handle is installed fixing hole shaping mechanism and is exited, and PET bottle blow molding die cavity is opened, and PET bottle is taken out.
Shown in accompanying drawing 1 to accompanying drawing 2, the present embodiment also provides a kind of handle installing hole low pressure molding mechanism realizing the rear-mounted PET bottle blowing mould of this forming method.This handle installing hole low pressure molding mechanism comprises a driving lever 1, for the cylinder that drives this driving lever 1 to move back and forth back and forth and at least one composing type assembly 2 be removably connected on this driving lever 1, this driving lever 1 is provided with two groups of these molding assemblies 2 in the present embodiment.Each composing type assembly 2 comprises rack and pinion drive mechanism 201, connecting plate 202, forms the power transmission shaft 203 be rotationally connected and a pair shaping mechanism 204 being respectively used to be formed PET handle bottle up knob mounting groove with this connecting plate 202, wherein, this PET handle bottle handle installing hole shaping mechanism is fixedly installed on PET bottle die cavity back by connecting plate 202.Each shaping mechanism 204 includes the connecting rod 2041 telescopic machine mechanical arm 2042 for the formation of handle mounting groove hinged with this connecting rod one end.Tooth bar 2011 in rack and pinion drive mechanism 201 is fixedly installed on driving lever 1 by screw, and preferably, this driving lever 1 is provided with the mounting groove 101 for installing tooth bar 2011.Gear 2012 is connected with power transmission shaft 203 one end is fastening, and this power transmission shaft 203 other end is hinged with described a pair shaping mechanism 204 respectively.This enforcement is fixed with a round turntable 205 preferably through in power transmission shaft 203 bottom, and this round turntable 205 is hinged with the connecting rod 2041 in shaping mechanism 204 respectively, and wherein this pair shaping mechanism 204 is articulated with on this rotating disk 205 with symmetrical mounting means.
In addition, connecting plate 202 is rotationally connected with being formed with power transmission shaft 203 by the bearing 206 in the upper and lower two ends of bearing mounting hole that are mounted thereon center respectively and are provided with, adopt the mounting structure form of pair of bearings 206, more further can improve the stress performance of power transmission shaft 203, improve its service life.
Shown in accompanying drawing 3 and accompanying drawing 4, during work, driving lever 1 is under the driving effect of cylinder, slide in the slideway that PET bottle die cavity 3 back is provided with mobile, promote rack and pinion drive mechanism 201 action and (translate linear motion can certainly can be become the drive mechanism of rotary motion for other, such as ball screw structure, worm gear structure etc.), gear 2012 in rack and pinion drive mechanism 201 and then drive power transmission shaft 203 rotate, power transmission shaft 203 and then by the action of rotating disk 205 drivening rod 2041, telescopic machine mechanical arm 2042 is under the promotion of connecting rod 2041, movement is stretched out in the track that PET bottle die cavity handle installed position is provided with, with be in the PET bottle external knob installation site being in blow molding state in PET bottle die cavity 3 and contact, PET bottle is under the effect of external and internal pressure, PET handle bottle handle installation site forms handle mounting groove.Wherein, due to the drive mechanism form that the active force of cylinder action on drive rod 1 is combined by rack and pinion drive mechanism and connecting rod, wherein driving lever 1 export dynamic action point and telescopic machine mechanical arm 2042 application point between form equalising torque, and due to its arm of force of application point of telescopic machine mechanical arm 2042 shorter, amplification is obtained when thus making the outputting power of drive rod 1 be applied to telescopic machine mechanical arm 2042 end, thus lower-powered power set can be adopted to realize the shaping work of handle mounting groove, effective production cost reducing enterprise.
Shown in accompanying drawing 5 and 6, after PET bottle forming action completes, telescopic machine mechanical arm 2042, under the effect of cylinder, returns configuration state schematic diagram during contraction.The principle of returning when operating principle stretches out mobile with it due to it is identical, and at this, just in repeated description, it concrete does not exit course of action.
Embodiment two:
Described in accompanying drawing 7 to 8, the difference of the present embodiment and embodiment one is only, only comprises a composing type assembly 2 in the present embodiment, and this molding assembly 2 directly has cylinder to drive driving.Specifically, cylinder is directly directly connected with the tooth bar 2011 of rack pinion 201 mechanism, thus realizes the forming action of molding assembly 2.
Embodiment three:
Shown in accompanying drawing 9 to accompanying drawing 10, the handle installing hole shaping mechanism of a kind of rear-mounted PET bottle blowing mould described in the present embodiment.This handle installing hole shaping mechanism comprises the first drive rod 3 and the second drive rod 4, the cylinder (not providing in figure) being respectively used to drive this first drive rod 3 and the second drive rod 4 straight reciprocating motion for a pair and at least one group of the second molding assembly 5 be articulated with between this first drive rod 3 and second drive rod 4 that a pair overlapped interval be arranged symmetrically with, and is two composing type assemblies in the present embodiment.
Each second molding assembly 5 comprises pair of links assembly 501 and a pair telescopic machine mechanical arm 2042 for the formation of handle mounting groove, wherein each link assembly 501 comprises a pair one end and is jointly hinged in connecting rod together, and this pair of links other end be hinged with described a pair telescopic machine mechanical arm 502 one end respectively.During installation, one group of link assembly 501 in each molding assembly 5 is articulated with on the first drive rod 3, another group link assembly 501 is articulated with on the second drive rod 10, is specifically exactly that each link assembly 501 is installed on the first drive rod 3 or the second drive rod 4 by its two connecting rod hinged end 5011 be hinged together.Simultaneously, in same second molding assembly 5, two link assemblies 501 are hinged respectively by the two connecting rod other ends be hinged with telescopic machine mechanical arm 2042, make two link assemblies 501 in same second molding assembly 5 form a four-bar linkage (see accompanying drawing 9).
In addition, cylinder is installed on one end that this pair section gap drive rod positioned opposite is relative, namely in the present embodiment, cylinder is arranged on the left end of the first drive rod 3 and the right-hand member of the second drive rod 4 respectively.Stretch out both during motion simultaneously or shrink, namely both are in move toward one another.This layout makes this pair drive rod along in motion process in the chute of PET bottle die cavity 10 back, and both movement locus overlap as far as possible, make whole organization distribution compacter, so that better the combining of PET bottle mould.
Shown in accompanying drawing 11 and 12, during work, the first drive rod 3 and the second drive rod 4 lateral overlap interval are oppositely disposed on PET bottle die cavity 10 back, and PET bottle die cavity 10 back is provided with the chute slided for the first drive rod 3 and the second drive rod 4.First drive rod 3 and the second drive rod 4 under the effect of each self-driven cylinder, simultaneously action.Shown in accompanying drawing 11, the first drive rod 3 and the second drive rod 4 are under the promotion of cylinder, and both draw close mutually at move toward one another.First drive rod 3 and the second drive rod 4 are being drawn close in the process of motion in opposite directions, both drive link assembly 501 action on it to stretch out movement respectively, link assembly 501 so drive telescopic machine mechanical arm 2042 to be provided with along PET bottle die cavity handle installed position track in stretch out movement, with be in the PET bottle external knob installation site being in blow molding state in PET bottle die cavity 10 and contact, PET bottle is under the effect of external and internal pressure, and PET handle bottle handle installation site forms handle mounting groove.Wherein, this programme to cooperatively interact action by driving cylinder and link assembly for a pair, carries out power transmission, obtain amplification when making the outputting power of drive rod be applied to telescopic machine mechanical arm end by linkage.Adopt cylinder that conventional driving power is less to meet the shaping work of handle mounting groove in addition, and drive its low price of cylinder due to routine and be easy to buy, thus reduce entreprise cost and whole shaping mechanism is for ease of maintenaince maintained.
Shown in attached Figure 13 and 14, after PET bottle forming action completes, on the first drive rod 3 and the second drive rod 4 under the effect of respective cylinder, return configuration state schematic diagram during contraction.The principle of returning when operating principle stretches out mobile with it due to it is identical, and at this, just in repeated description, it concrete does not exit course of action.
Embodiment four:
Shown in accompanying drawing 15 to 19, low pressure molding mechanism in the present embodiment comprises for the bottle blowing die cavity of PET bottle blow molding and the molding assembly installing holddown groove for the formation of PET bottle handle that matches with this bottle blowing die cavity, this molding assembly comprises driving lever 1, for driving the cylinder of this driving lever telescopic moving, connecting plate 202, installing mechanical arm 6 and a pair connecting rod 7 of holddown groove for a pair for the formation of handle, wherein said molding assembly 2 consists of connecting plate 202 and described bottle blowing die cavity 10 and is fastenedly connected; Described a pair mechanical arm 6 is hinged with connecting plate 202 1 side, and this pair mechanical arm 6 is also hinged with described a pair connecting rod 7 one end respectively, and this pair connecting rod 7 other end is articulated with on described driving lever 1 jointly.This connecting plate 202 center is provided with a through hole passed for driving lever 1.
The present invention, after have employed such scheme, does linear reciprocating motion by air cylinder driven driving lever 1, drive rod and then drive and a pair connecting rod 7 of being jointly hinged together of its one end.Under the drive of driving lever, a pair that is hinged respectively with this pair connecting rod 7 other end mechanical arm 6 action for extruded handle mounting groove.Wherein, because driving lever 1 is by the drive mechanism mode of rod hinge connection, equalising torque is formed between the dynamic action point that driving lever 1 exports and mechanical arm 6 application point, and due to its arm of force of application point of mechanical arm 6 shorter, amplification is obtained when thus making the outputting power of driving lever 1 be applied to mechanical arm 6 end, thus lower-powered power set can be adopted to realize the shaping work of handle mounting groove, effective production cost reducing enterprise.
Embodiment five:
Shown in accompanying drawing 20 to 24, low pressure molding mechanism in the present embodiment comprises for the shaping mold cavity of PET bottle blow molding and the low pressure molding assembly that coordinates with this shaping mold cavity, this low pressure molding assembly comprises driving lever 1, for driving the driving cylinder of this driving lever 1 telescopic moving and being removably connected at least one composing type assembly 2 on this driving lever 1, each molding assembly 2 comprises the mount pad 8 be connected with described driving lever 1 dismoutability, connecting plate 202, a pair mechanical arm 6 for the formation of PET bottle handle installation fixing hole and the connecting axle 9 be fastenedly connected with this pair mechanical arm 6 respectively for a pair, wherein said a pair mechanical arm 6 and described connecting plate 202 form and are slidably connected, the draw-in groove that the cylindrical limiting section 901 that this pair mechanical arm 6 is also provided with by described a pair connecting axle 9 one end and connecting plate 202 are provided with is positioned on this connecting plate 202, described cylindrical limiting section 901 also forms with a pair be slidably connected in the "eight" shape waist-shaped hole 801 be arranged on mount pad 8 respectively, when described driving lever 1 drives mount pad 8 to move back and forth, this a pair waist-shaped hole 801 promotes this pair mechanical arm 6 respectively by described connecting axle 9 and stretches out or shrink mobile.Driving lever 1 is also provided with the mounting groove for installing described mount pad 8.
Embodiment six:
Shown in accompanying drawing 25 to 31, low pressure molding mechanism in the present embodiment comprises for the shaping mold cavity of PET bottle blow molding and the low pressure molding assembly that coordinates with this shaping mold cavity, this low pressure molding assembly comprises for the shaping mold cavity 10 of PET bottle blow molding and the laborsaving molding assembly that coordinates with this shaping mold cavity 10, this molding assembly comprises driving cylinder, rack and-pinion mechanism 201, for the connecting plate 202 removably connected with described shaping mold cavity 10, power transmission shaft 203, for the formation of PET bottle handle, mechanical arm 6 and a pair connecting rod 7 of fixing hole is installed a pair, tooth bar 2011 in wherein said rack and-pinion mechanism 201 and gear 2012 are connected with power transmission shaft 203 one end with driving cylinder respectively, this power transmission shaft 203 other end is also hinged with described a pair connecting rod 7 one end respectively, this a pair connecting rod 7 other end is hinged with described a pair mechanical arm 6 respectively, described power transmission shaft 203 consists of bearing and described connecting plate 202 and is rotationally connected, wherein, power transmission shaft 203 is hinged with described a pair connecting rod 7 one end by the rotating disk 11 be provided with.
The examples of implementation of the above are only the preferred embodiment of the present invention, not limit practical range of the present invention with this, therefore the change that all shapes according to the present invention, principle are done, all should be encompassed in protection scope of the present invention.
Claims (10)
1. a forming method for the handle installing hole of rear-mounted PET bottle blowing mould, is characterized in that: comprise the following steps:
S1: PET bottle embryo is put into PET bottle blow molding die cavity, passes into gases at high pressure and carries out blow molding;
Fixing hole shaping mechanism extend action installed by S2:PET handle, and fitting with the PET bottle be in blow molding forms handle and install fixing hole;
S3:PET handle is installed fixing hole shaping mechanism and is exited, and PET bottle blow molding die cavity is opened, and PET bottle is taken out.
2. realize a low pressure molding mechanism for the forming method of the handle installing hole of rear-mounted PET bottle blowing mould described in claim 1, it is characterized in that: comprise for the bottle blowing moulding die cavity of PET bottle blow molding and the low pressure molding mechanism of installing holddown groove for the formation of PET bottle handle that coordinates with this bottle blowing moulding die cavity.
3. the low pressure molding mechanism of the handle installing hole of a kind of rear-mounted PET bottle blowing mould according to claim 2, is characterized in that: described low pressure molding mechanism comprises driving lever (1), for driving the cylinder of described driving lever (1) action and being removably connected at least one composing type assembly (2) on this driving lever (1), described molding assembly (2) comprises rack and pinion drive mechanism (201), connecting plate (202), the power transmission shaft (203) be rotationally connected and a pair shaping mechanism (204) being respectively used to be formed PET handle bottle up knob mounting groove is formed with described connecting plate (202), each shaping mechanism (204) comprises the hinged telescopic machine mechanical arm (2042) for the formation of handle mounting groove of connecting rod (2041) and this connecting rod one end, tooth bar (2011) in wherein said rack and pinion drive mechanism (201) is connected with described driving lever (1) dismoutability is fastening, gear (2012) is connected with described power transmission shaft (203) one end is fastening, this power transmission shaft (203) other end is articulated and connected with described a pair shaping mechanism (204) respectively.
4. the low pressure molding mechanism of the handle installing hole of a kind of rear-mounted PET bottle blowing mould according to claim 2, it is characterized in that: described low pressure molding mechanism comprises cylinder and the molding assembly (2) by this air cylinder driven, described molding assembly (2) comprises rack and pinion drive mechanism (201), connecting plate (202), the power transmission shaft (203) be rotationally connected and a pair shaping mechanism (204) being respectively used to be formed PET handle bottle up knob mounting groove is formed with described connecting plate (202), each shaping mechanism (204) comprises the hinged telescopic machine mechanical arm (2042) for the formation of handle mounting groove of connecting rod (2041) and this connecting rod one end, tooth bar (2011) in wherein said rack and pinion drive mechanism (201) and described cylinders, gear (2012) is connected with described power transmission shaft (203) one end is fastening, this power transmission shaft (203) other end is articulated and connected with described a pair shaping mechanism (204) respectively.
5. the low pressure molding mechanism of the handle installing hole of a kind of rear-mounted PET bottle blowing mould according to claim 3 or 4, it is characterized in that: described power transmission shaft (203) other end is hinged and connected with described a pair shaping mechanism (204) respectively by the round turntable (205) be provided with, and connecting rod (2041) other end wherein in each shaping mechanism (204) and this rotating disk (205) are hinged.
6. the low pressure molding mechanism of the handle installing hole of any one the rear-mounted PET bottle blowing mould according to claim 3 or 4, it is characterized in that: described connecting plate (202) is formed be rotationally connected by being provided with pair of bearings (206) and described power transmission shaft (203), wherein this pair of bearings (206) is installed in the upper and lower two ends of bearing mounting hole that connecting plate (202) is provided with respectively.
7. the low pressure molding mechanism of the handle installing hole of a kind of rear-mounted PET bottle blowing mould according to claim 2, is characterized in that: described low pressure molding mechanism comprises a pair section gap the first drive rod (3) positioned opposite and the second drive rod (4), the cylinder being respectively used to drive this first pair of drive rod (3) and the second drive rod (4) linear reciprocating motion for a pair and at least one group of the second molding assembly (5) be articulated with between this first drive rod (3) and second drive rod (4); Each second molding assembly (5) comprise a pair respectively with described first drive rod (3) and the hinged link assembly (501) of the second drive rod (4) and a pair telescopic machine mechanical arm (2042) for the formation of upper and lower handle mounting groove, wherein each link assembly (501) comprises the jointly hinged connecting rod in a pair one end, and this pair of links other end is hinged with described a pair telescopic machine mechanical arm (2042) respectively.
8. the low pressure molding mechanism of the handle installing hole of a kind of rear-mounted PET bottle blowing mould according to claim 2, it is characterized in that: described low pressure molding mechanism comprises for the bottle blowing die cavity (10) of PET bottle blow molding and the molding assembly installing holddown groove for the formation of PET bottle handle that matches with this bottle blowing die cavity (10), this molding assembly comprises driving lever (1), for driving the cylinder of this driving lever (1) telescopic moving, connecting plate (202), for the formation of handle, mechanical arm (6) and a pair connecting rod (7) of holddown groove is installed a pair, wherein said molding assembly consists of connecting plate (202) and described bottle blowing die cavity (10) and is fastenedly connected, described a pair mechanical arm (6) and connecting plate (202) side are hinged, and this pair mechanical arm (6) is also hinged with described a pair connecting rod (7) one end respectively, and this pair connecting rod (7) other end is articulated with on described driving lever (1) jointly.
9. the low pressure molding mechanism of the handle installing hole of a kind of rear-mounted PET bottle blowing mould according to claim 2, it is characterized in that: described low pressure molding mechanism comprises for the shaping mold cavity (10) of PET bottle blow molding and the molding assembly that coordinates with this shaping mold cavity (10), this molding assembly comprises driving lever (1), for driving the driving cylinder of this driving lever (1) telescopic moving and being removably connected at least one composing type assembly (2) on this driving lever (1), each molding assembly (2) comprises the mount pad (8) be connected with described driving lever (1) dismoutability, connecting plate (202), a pair mechanical arm (6) for the formation of PET bottle handle installation fixing hole and the connecting axle (9) be fastenedly connected with this pair mechanical arm (6) respectively for a pair, wherein said a pair mechanical arm (6) and described connecting plate (202) form and are slidably connected, the draw-in groove that the cylindrical limiting section (901) that this pair mechanical arm (6) is also provided with by described a pair connecting axle (9) one end and connecting plate (202) are provided with is positioned on this connecting plate (202), described cylindrical limiting section (901) also forms with a pair be slidably connected in the "eight" shape waist-shaped hole (801) be arranged on mount pad (8) respectively, when described driving lever (1) drives mount pad (8) to move back and forth, this a pair waist-shaped hole (801) promotes this pair mechanical arm (6) respectively by described connecting axle (9) and stretches out or shrink mobile.
10. the low pressure molding mechanism of the handle installing hole of a kind of rear-mounted PET bottle blowing mould according to claim 2, it is characterized in that: described low pressure molding mechanism Packet driven cylinder, rack and-pinion mechanism (201), for the connecting plate (202) removably connected with described shaping mold cavity (10), power transmission shaft (203), for the formation of PET bottle handle, mechanical arm (6) and a pair connecting rod (7) of fixing hole is installed a pair, tooth bar (2011) in wherein said rack and-pinion mechanism (201) and gear (2012) are connected with power transmission shaft (203) one end with driving cylinder respectively, this power transmission shaft (203) other end is also hinged with described a pair connecting rod (7) one end respectively, this a pair connecting rod (7) other end is hinged with described a pair mechanical arm (6) respectively, described power transmission shaft (203) consists of bearing and described connecting plate (202) and is rotationally connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410383162.8A CN104260325B (en) | 2014-08-06 | 2014-08-06 | The shaping mechanism of the handle installing hole of rear-mounted PET bottle blowing moulds |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410383162.8A CN104260325B (en) | 2014-08-06 | 2014-08-06 | The shaping mechanism of the handle installing hole of rear-mounted PET bottle blowing moulds |
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| Publication Number | Publication Date |
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| CN104260325A true CN104260325A (en) | 2015-01-07 |
| CN104260325B CN104260325B (en) | 2017-09-01 |
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| CN201410383162.8A Active CN104260325B (en) | 2014-08-06 | 2014-08-06 | The shaping mechanism of the handle installing hole of rear-mounted PET bottle blowing moulds |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104908301A (en) * | 2015-05-29 | 2015-09-16 | 江苏新美星包装机械股份有限公司 | Blow-molding mechanism for handle assembly snapping grooves in container with handle |
| CN107471611A (en) * | 2017-09-21 | 2017-12-15 | 杭州科技职业技术学院 | A kind of bottle blowing machine special-shaped bottle blow mold |
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| JPH11314268A (en) * | 1998-05-07 | 1999-11-16 | Pioneer Kogyo Kk | Blow molding die for biaxially stretched bottle with grip |
| CN1704313A (en) * | 2004-05-25 | 2005-12-07 | 株式会社开拓 | Blow molding bottle with handle and device for making same |
| CN102292206A (en) * | 2009-01-28 | 2011-12-21 | S.I.P.A.工业设计自动化合伙股份有限公司 | Mould for thermoplastic containers obtained by blow moulding |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11314268A (en) * | 1998-05-07 | 1999-11-16 | Pioneer Kogyo Kk | Blow molding die for biaxially stretched bottle with grip |
| CN1704313A (en) * | 2004-05-25 | 2005-12-07 | 株式会社开拓 | Blow molding bottle with handle and device for making same |
| CN102292206A (en) * | 2009-01-28 | 2011-12-21 | S.I.P.A.工业设计自动化合伙股份有限公司 | Mould for thermoplastic containers obtained by blow moulding |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104908301A (en) * | 2015-05-29 | 2015-09-16 | 江苏新美星包装机械股份有限公司 | Blow-molding mechanism for handle assembly snapping grooves in container with handle |
| CN104908301B (en) * | 2015-05-29 | 2017-08-25 | 江苏新美星包装机械股份有限公司 | Container up knob with handles assembling neck is blow molded into mold mechanism |
| CN107471611A (en) * | 2017-09-21 | 2017-12-15 | 杭州科技职业技术学院 | A kind of bottle blowing machine special-shaped bottle blow mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104260325B (en) | 2017-09-01 |
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