CN205905409U - Blow device under plastics hollow container of blowing machine - Google Patents

Abstract

The utility model provides a blow device under plastics hollow container of blowing machine, belongs to cavity plastic products shaping machinery technical field. Including the bearing, there is push pedal lift chamber, water guide cone is connected on upper portion, and water guide cone has the water guide cone chamber, under blow the seat and have and blow down a chamber, preceding, the rear side lower part of blowing the seat down be connected before and with the top of guide pillar, blow a hitching leg in the middle part of the rear side under respectively having blows a lifting drive mechanism under, and is connected with water guide cone's bottom, still fixes with the bottom of guide pillar, the left and right needle mechanism of blowing establishes and blows an intracavity under, the right side lower part of blowing the seat under is established with the in the horizontal position state to first effect jar, and its first effect jar post blows needle mechanism and blows needle mechanism with a left side to be connected towards a left side, and the left side lower part of blowing the seat under is established with the in the horizontal position state to second effect jar, and the second acts on the jar post and blows needle mechanism towards the right side and just blow needle mechanism with the right side and is connected. Satisfy the inflation forming technology requirement to the material embryo, alleviate operation intensity, the efficiency of the inflation shaping is improved, avoid the mashed tooth of screw thread to collapse the emergence of tooth situation.

Description

Blowing apparatus under the plastic hollow vessel of blow moulding machine

Technical field

The utility model belongs to hollow plastic product molding machine tool technical field and in particular in a kind of plastics of blow moulding machine Blowing apparatus under empty.

Background technology

Above mentioned plastic hollow vessel refer mainly to but not definitely be limited to refer to such as be used for filling medicine chemical material, The volume of oil product, each analog assistant, additive or even harmful influence etc relatively large and have two vessel port twoport packaging Bucket, the mould of blow moulding machine adapting to blow this container is generally combined by upper submodule, main mould and lower submodule, and under blow dress The blow needle machinery of the structural system put has two sets of identical.

Chinese patent Authorization Notice No. cn202062631u recommends there is " three-layer plastic container forming machine ", cn201941151u Being provided with " Full-automatic hollow forming machine for plastic container " and cn202162995u and introducing has that " the full-automatic hollow of Bulk plastic containers becomes Type machine ", although this three patents are all referred to lower blowing apparatus, does not provide the concrete structure of lower blowing apparatus, particularly with such as What makes the opposite displacement of Liang Ge blow needle mechanism or the structure enlightenment towards contrary direction displacement of the structural system of lower blowing apparatus.

Aforesaid blow needle mechanism is the pith of the structural system entirely descending blowing apparatus it might even be possible to say key component simultaneously And be no lack of in disclosed Chinese patent literature and be seen in, slightly recommend there is " ventilation type blow needle machine to enumerate cn102848559b such as Structure ", cn103144285a are provided with " a kind of blow needle device of blow moulding machine ", cn204894486u introduces that " a kind of blow moulding machine blows Needle lifting governor motion " and cn104527037a disclose and have " the blow needle device in blow molding machine ", etc..

By to the reading being not limited to patent document exemplified above, the blow needle head of blow needle device is lifting, To this also can emphasis referring to cn104527037a Instructions Page 3 the 11st row to page 4 the 4th row, the lifting of blow needle head is by blowing Syringe needle drive mechanism drives.Specifically, blow needle body is driven by blow needle head drive mechanism, because blow needle head is to fix with blow needle body Connect, thus lifted together with blow needle head by blow needle body, and the up-down mode of blow needle head have following two: one is by as blowing The action of the cylinder of syringe needle drive mechanism and make blow needle head lift；Two is by the work of the oil motor as blow needle head drive mechanism Make blow needle head to lift clockwise or counterclockwise.The former is applied to the shaping of small plastic hollow product inflation, Hou Zheshi Together in the inflation shaping to capacious plastic hollow product.For use requirement is harsh and volume is larger for fillingization The screw thread of work or even this kind of oral area of plastic hollow vessel of harmful influence is usually internal thread, matches therewith in a state of use Lid is just as the convex shape of inverted plug screw shape, and the screw thread covering is certainly external screw thread.The mouth of empty in the plastic The self-evident strong point that the inwall in portion forms internal thread is: good airproof performance, screw thread are hardly damaged and safety and sanitation, etc. Deng.From preceding description, the screw thread on the inwall of the oral area of plastic hollow product is inner thread is blowing by blow needle device Blow needle head external screw thread on syringe needle is formed.

The for example aforementioned cn204894486u of prior art is due to employing oil motor (patent claims " power motor ") as blow needle Head drive mechanism, because the control difficulty of oil motor is big and impulsive force is also big, thus the stationarity of the elevating movement of blow needle head is difficult To ensure, and the machining accuracy of the part being associated with oil motor is very harsh, fragile in use.Furthermore, oil The oil pipe pipeline of motor is many and complicated, can oil liquid leakage situation in use every now and then, on the one hand gives the suitable of production Profit carries out producing impact, on the other hand increased workload to daily managing and protecting.And then, the precision due to oil motor is difficult to control to, Screw thread (aforesaid inner thread) quality thus resulting in the vessel port of plastic hollow product cannot ensure, spiral shell occurs when serious The rotten tooth of tooth or collapse dental phenomenon, causes whole product rejection.

For above-mentioned prior art, the applicant has made lasting exploring and design repeatedly, below will finally define Technical scheme to be introduced, and under taking secrecy provision, the central laboratory in the applicant is tested, result Prove practicable.

Content of the invention

Top priority of the present utility model is to provide one kind not only can ensure the upper and lower displacement simultaneously of Liang Ge blow needle mechanism but also energy Guarantee that Liang Ge blow needle mechanism uses satisfaction to material base towards the displacement of aspectant direction or direction displacement separate towards each other Inflation be molded technological requirement the plastic hollow vessel of blow moulding machine under blowing apparatus.

Another task of the present utility model is to provide one kind to contribute to making blow needle mechanism abandon oil motor and use guarantee Blow needle head lifting stationarity and reliability and avoid because oil liquid leakage impact produce and mitigate attendant workload, Be conducive to embodying the preferable cooling effect of the blow needle head of the structural system to blow needle mechanism and use raising to plastic hollow system The inflation shaping efficiency of product and Forming Quality, it is beneficial to the material compacting of the vessel port of plastic hollow vessel and uses guarantee container Blowing apparatus under the plastic hollow vessel of the blow moulding machine of Forming Quality of mouth and its internal thread.

Complete top priority of the present utility model for embodying, the technical scheme that the utility model provides is: a kind of blow moulding machine Plastic hollow vessel under blowing apparatus, including a fulcrum bearing, this fulcrum bearing has a push pedal lifting chamber, and in this fulcrum bearing Top is connected with a guide pin bushing seat with the state soared in fulcrum bearing by guide pin bushing seat connecting stud, and this guide pin bushing seat is in a state of use Fix with the housiung separator of blow moulding machine, and this guide pin bushing seat composition leads sleeve seat cavity, respectively sets in the front side of guide pin bushing seat and rear side It is equipped with guide pillar slip cap, each slip is equipped with guide pillar on guide pillar slip cap；Once blow seat and once blow a lift drive mechanism, Under blow seat tool and have and blow a chamber, under blow the lower front of seat and back lower is connected and under this with the top of described guide pillar Blow in the middle part of the front side of seat and be respectively fixed with the middle part of rear side and blow a hanging feet, under blow a lift drive mechanism corresponding to described The position that push pedal lifts chamber is connected with the bottom of described guide pin bushing seat and also is fixed with the bottom of described guide pillar；One left blow needle mechanism With a right blow needle mechanism, this left blow needle mechanism and right blow needle mechanism be movably arranged on described under blow and under seat, blow a chamber Interior and with blow the lifting of seat and lift；For making described left blow needle mechanism and right blow needle mechanism blow a chamber under described One first acting cylinder of interior left and right translation and one second acting cylinder, the first acting cylinder with horizontally-arranged state be arranged on described under blow seat Lower right side, the first acting cylinder post of this first acting cylinder is connected towards described left blow needle mechanism and with left blow needle mechanism, the Two acting cylinders are arranged on down the left lower blowing seat with horizontally-arranged state, and the second acting cylinder post of this second acting cylinder is towards the described right side Blow needle mechanism and being connected with right blow needle mechanism.

For embodying another task of the present utility model that completes, the technical scheme that the utility model provides is: the described right side The structure of blow needle mechanism is the structure identical with described left blow needle mechanism, and this left blow needle mechanism includes a gear-box, this tooth Roller box is furnished with a gear box cover being used for the gear-box chamber closing to gear-box, is rotationally provided with a little tooth in gear-box chamber Wheel and a gear wheel, little gear is meshed with gear wheel, offers one first oil inlet and oil return oil duct and one second and enter on gear-box Oil return oil duct, and guide rod hole before the front end of gear-box offers a gear-box, and offer a tooth in the rear end of gear-box Roller box back-guiding rod hole, before this gear-box guide rod hole and gear-box back-guiding rod hole all from the left side insertion of gear-box to right side, Before gear-box, guide rod hole interpolation is provided with guide rod before a gear-box, and leads after gear-box back-guiding rod in the hole is inserted with a gear-box Bar, before gear-box the left end of guide rod and upper phase back-guiding rod all with described under blow the left chamber wall in a chamber and fix, and right-hand member all with The right chamber wall blowing a chamber is fixed, before described right blow needle mechanism is located at the right side of gear-box and is simultaneously located at described gear-box On guide rod and gear-box back-guiding rod；One blow needle head binder drive mechanism, this blow needle head binder drive mechanism corresponds to described tooth Roller box chamber is arranged on described gear-box and enters back towards upper side and simultaneously with described the first oil inlet and oil return oil duct and second Oil duct communicates；One blow needle body, this blow needle body is connected with described blow needle head binder drive mechanism, and the upper end of blow needle body is visited Go out blow needle head binder drive mechanism, and the lower end of blow needle body is stretched over gear box cover by way of gear-box chamber and gear box cover successively Lower section, and the lower end of this blow needle body be provided with a cooling medium supply joint fixed seat and a cooling medium supply connect Head, cooling medium supply joint fixed seat is fixed on blow needle body, and cooling medium supply joint is supplying corresponding to cooling medium The position of the lower section of joint fixed seat is fixed with cooling medium supply joint fixed seat, in the lower end of blow needle body and around blow needle The circumferencial direction of body is constituted has the cooling medium extraction groove on a surface being depressed in blow needle body and cooling medium introducing recessed Groove, cooling medium introduces groove and is located at the lower section that cooling medium draws groove, draws in groove and around cold in cooling medium But the circumferencial direction interval of medium extraction groove offers blow needle body cooling medium fairlead, and introduces in groove in cooling medium And the circumferencial direction interval introducing groove around cooling medium offers blow needle body cooling medium introduction hole, and cooling medium is drawn Groove and cooling medium are introduced groove and are communicated with described cooling medium supply joint, and described gear wheel is fixed in blow needle body Middle part；One blow needle head, has the oral area to plastic hollow product on the outer wall of the upper end of this blow needle head and shapes spiral shell in oral area The blow needle head external screw thread of line, and the top of the blow needle head cavity of blow needle head is provided with a gas port nut, the gas port of this gas port nut Nut centre bore is made for inflatable mouth, and the lower end of blow needle head is connected with the upper end of described blow needle body；It is arranged on the blow needle of blow needle body An endoceliac gas blow pipe and a spacer pipe, the upper end of gas blow pipe is stretched over described inflatable mouth, and lower end be stretched over described cold But the bottom of the medium supply joint and bottom with cooling medium supply joint is fixedly connected, spacer pipe box is put in gas blow pipe Outward, the space between the inwall of this spacer pipe and the outer wall of gas blow pipe is configured to cooling medium introducing separate space, and spacer pipe is outer Space between the inwall of wall and described blow needle head and the cavity wall of blow needle body cavity is configured to cooling medium and draws separate space, and cooling is situated between Matter is introduced separate space and is communicated with described blow needle body cooling medium introduction hole, and cooling medium extraction separate space is cold with described blow needle body But medium fairlead communicates, and cooling medium introduces separate space and cooling medium draws Jie by the upper end being opened in spacer pipe for the separate space The through hole insertion of matter chamber, the quantity of this dielectric cavity through hole has one group and multiple circumferentially spaced around spacer pipe；One For making described blow needle head along the blow needle head drive mechanism of reverse rotation, this blow needle head drive mechanism includes a motor and a deceleration Case, the transmission cooperation of motor and reduction box and by reduction box together with motor be fixed on described gear box cover towards under side, subtract The reduction gearbox output shaft of fast case is connected with described pinion drive.

In a specific embodiment of the present utility model, described little gear has a pinion shaft, this little gear The upper end of axle is rotatably supported on the chamber roof in described gear-box chamber by pinion shaft bearing, and the lower end of pinion shaft Middle position offers a reduction gearbox output shaft and is in transmission connection hole, and described reduction gearbox output shaft passes through described gear box cover simultaneously And the hole that is in transmission connection corresponding to reduction gearbox output shaft position pass through reduction gearbox output shaft on reduction gearbox output shaft key with little Gear drive connects；Described gear wheel has a Large Gear Shaft, and the upper end of this Large Gear Shaft is forwarded by Large Gear Shaft upper shaft It is bearing on the chamber roof in gear-box chamber dynamicly, and the lower end of Large Gear Shaft is rotatably arranged at institute by Large Gear Shaft lower bearing The gear box cover stated is towards the side in gear-box chamber.

In another specific embodiment of the present utility model, described blow needle head binder drive mechanism includes piston cylinder Body, piston/cylinder fairlead and piston, have a piston/cylinder guiding mantle cavity on the top of piston/cylinder fairlead, bottom is constituted There is a piston stroke chamber, be provided with a fairlead guide pin bushing in piston/cylinder guiding mantle cavity, this fairlead guide pin bushing and described blow needle The outer wall of body is slidably matched, and has a piston/cylinder fairlead flange, in this work on the outer wall of the bottom of piston/cylinder fairlead Fairlead flange is offered admittedly on plug cylinder body fairlead flange and around the circumferencial direction interval of piston/cylinder fairlead flange Determine screw, be equipped with fairlead flange fixing screws in fairlead flange fixing threaded hole, on piston/cylinder and corresponding to Offer piston/cylinder screw in the position of fairlead flange fixing threaded hole, this piston/cylinder screw is from piston/cylinder towards upper Side insertion to towards under side, described fairlead flange fixing screws pass through piston/cylinder screw and described gear-box Fixing, piston is arranged in piston/cylinder and is threadeded with described blow needle body, and the top of piston corresponds to described piston Stroke chamber, the outer wall of piston is coordinated with the cavity wall in piston stroke chamber and the inner wall sealing of piston/cylinder simultaneously, and in piston The outer wall at middle part on have one and be raised in the piston of outer wall surface every disk, this piston is every the bottom surface of disk and piston/cylinder fairlead Between space be configured to the piston/cylinder upper cylinder half chamber of piston/cylinder, this piston/cylinder upper cylinder half chamber be opened on piston/cylinder Piston/cylinder oil duct communicates, and this piston/cylinder oil duct is communicated with described first oil inlet and oil return oil duct, the basal surface of piston with described Space between the upper surface of gear-box is configured to cylinder chamber under the piston/cylinder of piston/cylinder, under this piston/cylinder cylinder chamber with described The second oil inlet and oil return oil duct communicate.

In another specific embodiment of the present utility model, in the piston stroke chamber of described piston/cylinder fairlead One piston stroke chamber sealing ring is embedded with the cavity wall of piston stroke chamber, on the inwall of described piston/cylinder and corresponding to The position of the lower section every disk for the described piston is embedded with a piston/cylinder sealing ring and a back-up ring, and back-up ring corresponds to piston/cylinder and seals The lower section of circle, is embedded with a piston every disk sealing ring in piston on disk, the outer wall of piston simultaneously with piston stroke chamber sealing ring And the sealing of piston/cylinder sealing ring coordinates and the inwall of piston/cylinder seals cooperation with piston every disk sealing ring；Blow described On the outer wall at the middle part of needle body and it is machined with piston in the position corresponding to described piston and connect external screw thread, and on piston simultaneously And it is machined with piston connection internal thread connecting externally threaded position corresponding to piston, this piston is connected internal thread and is connected with piston External screw thread is threaded.

In another specific embodiment of the present utility model, the outer wall of the upper end of described blow needle body is machined with Blow needle head connects external screw thread, and and is adding corresponding to the externally threaded position of blow needle head on the inwall of the lower end of described blow needle head Work has blow needle head to connect internal thread, and this blow needle head connects internal thread, and be connected external screw thread with blow needle head threaded and in blow needle head Lower end be additionally provided with blow needle head alignment pin, this blow needle head alignment pin probes into described blow needle body；In described blow needle body Portion and constitute in the position corresponding to described gear wheel and have a gear wheel retainingf key, and on gear wheel and corresponding to big The position of gear retainingf key is constituted canine tooth wheel key way, and this canine tooth wheel key way is matched with gear wheel retainingf key.

Also have in a specific embodiment of the present utility model, the side under described gear box cover direction is fixed There is a blow needle body lifting signal picker support, a blow needle body lifting is provided with this blow needle body lifting signal picker support Signal picker；In described cooling medium supply joint fixed seat and in the position lifting signal picker corresponding to blow needle body Put and be fixed with a limited block, the side lifting signal picker on this limited block and towards blow needle body is constituted to be had on a signal Flange is triggered under triggering flange and a signal；Described blow needle body lifting signal picker is optoelectronic switch, travel switch, fine motion Switch, be closely located to switch, tongue tube or hall sensing element.

Of the present utility model more and in a specific embodiment, described cooling medium supply joint is cold by one group But medium supply joint standing screw and described cooling medium supply joint fixed seat are fixed, in this cooling medium supply joint The central authorities of short transverse are constituted a blow needle body accommodating chamber, embedding on the top of the blow needle body accommodating chamber cavity wall of this blow needle body accommodating chamber It is provided with blow needle body accommodating chamber the first sealing ring, middle part is embedded with blow needle body accommodating chamber the second sealing ring, and bottom is embedded with blow needle Body accommodating chamber the 3rd sealing ring, the space structure between blow needle body accommodating chamber the first sealing ring and blow needle body accommodating chamber the second sealing ring Become cooling medium and draw chamber, and the space between blow needle body accommodating chamber the second sealing ring and blow needle body accommodating chamber the 3rd sealing ring It is configured to cooling medium and introduces chamber, offer a gas blow pipe connection screw thread hole in the middle position of the bottom of blow needle body accommodating chamber, Offer a cooling medium fairlead on cooling medium supply joint and in the position drawing chamber corresponding to cooling medium, should Cooling medium fairlead is drawn chamber with cooling medium and is communicated, and is connected with cooling medium circulation supply equipment by pipeline, cold But a cooling medium introduction hole, this cooling are offered on medium supply joint and in the position introducing chamber corresponding to cooling medium Medium introduction hole and cooling medium are introduced chamber and communicate and be equally connected with cooling medium circulation supply equipment by pipeline, described blow The lower end of needle body is placed in blow needle body accommodating chamber, and described cooling medium is drawn groove and drawn with described cooling medium Chamber is corresponding, and described cooling medium introducing groove is corresponding with described cooling medium introducing chamber, under described gas blow pipe Threadeded with cooling medium supply joint in the position corresponding to described gas blow pipe connection screw thread hole in end, described cooling medium Accommodating chamber first sealing ring, cooling medium accommodating chamber second sealing ring and cooling medium accommodating chamber the 3rd sealing ring and blow needle body The quantity of sealing cooperation and cooling medium accommodating chamber first sealing ring and cooling medium accommodating chamber the 3rd sealing ring is respectively one Right, and the quantity of cooling medium accommodating chamber second sealing ring is one or a pair；Described motor is the friendship with positive and negative rotating function Flow servo motor, described reduction box is planetary gear reduction box.

In an of the present utility model and then specific embodiment, in each fixation in the left side of described guide pin bushing seat and right side Have a fixed strip, the housiung separator of the front-end and back-end of this fixed strip and described blow moulding machine is fixed, and fixed strip with described Fulcrum bearing between be connected with one group of fixed strip support column spaced apart；The first described acting cylinder and the second acting cylinder are Cylinder or oil cylinder.

Of the present utility model and more and in a specific embodiment, described under blow under a lift drive mechanism includes Blow a lift action cylinder, lift action cylinder fixed plate, fixed plate front support rod, fixed plate back support rod and push pedal, push pedal corresponds to Lift chamber in described push pedal, the front end of this push pedal and rear end are all fixed with the bottom of described guide pillar, fixed plate front support The upper end of bar is fixedly connected with the front side bottom of described guide pin bushing seat, and the rear side bottom of the upper end of fixed plate back support rod and guide pin bushing seat Portion is fixedly connected, and the front end of lift action cylinder fixed plate is fixedly connected with the lower end of fixed plate front support rod, and lift action cylinder The rear end of fixed plate is fixedly connected with the lower end of fixed plate back support rod, under blow a lift action cylinder corresponding to lift action cylinder The position at the middle part of the length direction of fixed plate with longitudinal cantilever position and lift action cylinder fixed plate towards under side fix, Blow under this and blow a lift action cylinder post under lift action cylinder through the acting cylinder post being opened in lift action cylinder fixed plate Resigning hole and blow the end of lift action cylinder post under this and be fixed with one for promoting the push pedal pushing tow cap of described push pedal, described Fixed plate front support rod pass through the front support rod resigning hole of the front end being opened in push pedal, and described fixed plate back support rod is worn Cross the back support rod resigning hole of the rear end being opened in push pedal；Blowing a lift action cylinder under described is oil cylinder or cylinder.

The utility model provide technical scheme have the technical effect that blown by down a lift drive mechanism make guide pillar lift And blow seat lifting under guide pillar drive, and then blown seat drive by down and be arranged on down left blow needle mechanism and the right blow needle blowing in a chamber Mechanism lifts, and the action by the first contrary acting cylinder of setting direction and the second acting cylinder and Shi Zuo blow needle mechanism and the right side Blow needle mechanism, towards the direction displacement in the face that faces each other or direction displacement separate towards each other, blows to material embryo so as to meet Expanding formation requires.In addition left blow needle mechanism and right blow needle mechanism have a following technology strong point: first, due to by blow needle head Power in the structural system of drive mechanism employs the easily controllable motor of precision, thus can ensure the steady of blow needle head lifting Property and reliability and can prevent oil liquid leakage for prior art is using oil motor, both can ensure the smooth of production Carry out, can significantly mitigate the upkeep operation intensity that equipment manages and protects personnel again；Second, due to structure is passed through by cooling medium supply joint Become the lower end of blow needle body and offer the cooling medium extraction groove of blow needle body cooling medium fairlead and offer The cooling medium of blow needle body cooling medium introduction hole introduces groove and realizes the cooling medium extraction separate space to spacer pipe and cooling Medium introduces the cooling medium circulating reflux in separate space, makes blow needle head obtain preferable cooling effect, had both been favorably improved blow needle Head is to the inflation shaping efficiency of plastic hollow product again it is advantageously ensured that Forming Quality；Third, due to blow needle head binder driving machine Structure can make blow needle body together with blow needle head upwards appropriate displacement and by blow needle head by the interior spiral shell of the vessel port positioned at plastic hollow product The material compacting in line region, thus the Forming Quality of the threaded region of the vessel port of plastic hollow product can be significantly improved, it is to avoid The rotten tooth of screw thread collapses the generation of tooth situation.

Brief description

Fig. 1 is example structure figure of the present utility model.

Fig. 2 is the detailed structure view of the left blow needle mechanism shown in Fig. 1.

Fig. 3 is the cut-away view of Fig. 2.

Fig. 4 a is that the blow moulding machine of application examples of the present utility model is in the schematic diagram of pre- matched moulds stage.

Fig. 4 b is that the blow moulding machine of application examples of the present utility model is in the schematic diagram starting matched moulds stage.

Fig. 4 c be application examples of the present utility model blow moulding machine be in matched moulds after enter and be blown into the schematic diagram in type stage.

Specific embodiment

In order to be more clearly understood from technical spirit of the present utility model and beneficial effect, applicant is below with reality The mode applying example elaborates, but is not the restriction to the utility model scheme to the description of embodiment, any foundation The done only pro forma rather than substantial equivalent transformation of the utility model design is regarded as of the present utility model Technical scheme category.

Every concept being related to upper and lower, left and right, the directionality of front and rear or title directionality is removed separately in the following description Row indicate outer be all with Fig. 1 location state for, thus can not be understood as to the utility model provide Being particularly limited to of technical scheme.

Refer to Fig. 1, show a fulcrum bearing 6 of the square shape construction generally in Chinese character, this fulcrum bearing 6 has One push pedal lifting chamber 61, and the top of this fulcrum bearing 6 with soar in fulcrum bearing 6 state pass through guide pin bushing seat connecting stud 621 are connected with a guide pin bushing seat 62, and this guide pin bushing seat 62 is fixing with the housiung separator 30 of blow moulding machine in a state of use, and this guide pin bushing Seat 62 has leads sleeve seat cavity 622, is each provided with guide pillar slip cap 623 in the front side of guide pin bushing seat 62 and rear side, slides in guide pillar On set 623, each slip is equipped with guide pillar 6231；Show and blow seat 7 and once blow a lift drive mechanism 8, under blow seat 7 Shape is in equally aforesaid square shape and has and blow a chamber 71, under blow the lower front of seat 7 and back lower respectively passes through Guide pillar attachment screw 73 is connected with the top of aforementioned guide pillar 6231 and blows in the middle part of the front side of seat 7 and each in the middle part of rear side under this Be fixed with blow a hanging feet 72 that is to say, that under blow a hanging feet 72 and have position to correspond to each other but contrary a pair of setting direction, Under blow a lift drive mechanism 8 corresponding to aforementioned push pedal lift chamber 61 position be connected with the bottom of aforementioned guide pin bushing seat 62 and Also fix with the bottom of aforementioned guide pillar 6231 simultaneously；Show a left blow needle mechanism 40 and a right blow needle mechanism 50, this left blow needle Mechanism 40 and right blow needle mechanism 50 be movably arranged on aforementioned under blow blow under seat 7 in a chamber 71 and with blow seat 7 Lifting and lift；Show for making aforesaid left blow needle mechanism 40 and right blow needle mechanism 50 blow in a chamber 71 under aforementioned Left and right translation one first acting cylinder 60 and one second acting cylinder 70, the first acting cylinder 60 with horizontally-arranged state be arranged on aforementioned under blow Seat 7 lower right side, the first acting cylinder post 601 of this first acting cylinder 60 towards aforementioned left blow needle mechanism 40 and with left blow needle Mechanism 40 connects, and the second acting cylinder 70 is arranged on down the left lower blowing seat 7 with horizontally-arranged state, and the second of this second acting cylinder 70 Acting cylinder post 701 is connected towards aforementioned right blow needle mechanism 50 and with right blow needle mechanism 50.From the signal of Fig. 1, first, Two acting cylinders 60,70 are corresponding before and after keeping in the state of forming diagonal relationship each other.And then as shown in Figure 1, in guide pin bushing seat 62 Front side have a pair of guide pillar 6231, rear side equally has a pair of guide pillar 6231 that is to say, that guide pillar 6231 has four.

Continue to see Fig. 1, respectively preferably employ welding manner in the left side of aforementioned guide pin bushing seat 62 and right side and be fixed with a fixation Bar 624, the front-end and back-end of this fixed strip 624 probe into the leading flank leading magnanimous seat 62 and trailing flank respectively and use fixed strip Screw is fixing with the housiung separator 30 of aforementioned blow moulding machine, is connected with one group of interval between fixed strip 624 and aforesaid fulcrum bearing 6 The fixed strip support column 6241 of distribution；Aforesaid first acting cylinder 60 is fixed in aforementioned right blow needle mechanism 50 with horizontally-arranged state, First acting cylinder post 601 of this first acting cylinder 60 towards left blow needle mechanism 40 and passes through the first acting cylinder post engaging lug 6011 It is connected with left blow needle mechanism 40, aforesaid second acting cylinder 70 is fixed in left blow needle mechanism 40 with horizontally-arranged state, this second work Towards right blow needle mechanism 50 and pass through the second acting cylinder post engaging lug (not shown) with the second acting cylinder post 701 of cylinder 70 It is connected with right blow needle mechanism 50.

In the present embodiment, aforesaid first acting cylinder 60 and the second acting cylinder 70 are cylinder, but if with oil Cylinder substitutes cylinder, then certainly belongs to equivalence changes and still belongs to technical connotation category disclosed in the utility model.This Outward, according to professional general knowledge, the first acting cylinder 60 and the second acting cylinder 70 are synchronous workings, the such as first acting cylinder post 601 To the cylinder body of the first acting cylinder 60 overhang when, the second acting cylinder post 701 also overhangs to the cylinder body of the second acting cylinder 70 simultaneously, Make left and right blow needle mechanism 40,50 towards the displacement of separated direction, vice versa.

Continue to see Fig. 1, aforesaid under blow and under a lift drive mechanism 8 includes, blow a lift action cylinder 81, lift action cylinder Fixed plate 82, fixed plate front support rod 83, fixed plate back support rod 84 and push pedal 85, push pedal 85 corresponds to aforesaid push pedal lifting Chamber 61, the front end of this push pedal 85 and rear end are all fixing with the bottom (i.e. bottom) of aforesaid guide pillar 6231, fixed plate front support Bar 83(has a pair) upper end be fixedly connected with thread connecting mode with the front side bottom of aforementioned guide pin bushing seat 62, and after fixed plate Strut 84(has a pair) upper end be fixedly connected with thread connecting mode with the bottom rear of guide pin bushing seat 62, lift action cylinder is fixed The front end of plate 82 is fixedly connected with the lower end of fixed plate front support rod 83, and the rear end of lift action cylinder fixed plate 82 and fixed plate The lower end of back support rod 84 is fixedly connected, under blow a lift action cylinder 81 in the length side corresponding to lift action cylinder fixed plate 82 To the position at middle part lift action cylinder fixing screws 812 and lift action cylinder fixed plate 82 direction are passed through with longitudinal cantilever position Under side fix, blow under this blow under lift action cylinder 81 a lift action cylinder post 811 pass through be opened in lift action cylinder Acting cylinder post resigning hole 821 in fixed plate 82 and blow lift action cylinder post 811(under this and mark in Fig. 4 b and 4c) end It is unfixing with push pedal 85 even for promoting the push pedal pushing tow cap 8111(push pedal pushing tow cap 8111 of aforementioned push pedal 85 that end is fixed with one Connect), because aforesaid fixed plate front support rod 83 passes through the front support rod resigning hole 851 of the front end being opened in push pedal 85, and front The fixed plate back support rod 84 stated passes through the back support rod resigning hole 852 of the rear end being opened in push pedal 85；Thus before push pedal 85 End and rear end actually empty set on fixed plate back and front supporting bar 83,84, slided up and down with profit, aforesaid under blow seat lifting Acting cylinder 81 is oil cylinder, but if replacing oil cylinder with cylinder, then should be considered as equivalents.

Instantly blow when blowing a lift action cylinder post 811 under a lift action cylinder 8 and stretching upwards to outside cylinder body, by aforementioned Push pedal 85 spreaded to by push pedal pushing tow cap 8111, makes push pedal 85 follow a pair of guide rod 83(before fixed plate) and fixed plate back-guiding rod 84 on OK, drive guide pillar 6231 up by push pedal 85, due under blow seat 7 and be connected with the top of guide pillar 623 by guide pillar attachment screw 73, Thus driven down by the guide pillar 6231 rising and blow that seat 7 is accordingly up, blown by down simultaneously seat 7 drive aforementioned for carrier setting with it Left blow needle mechanism 40 and right blow needle mechanism 50 uplink synchronization, otherwise same example.

Refer to Fig. 2 and Fig. 3 and combine Fig. 1, because the structure of aforesaid right blow needle mechanism 50 is to blow with an aforesaid left side Pin mechanism 40 completely identical in structure, thus applicant only elaborates to Zuo Chuidi mechanism 40 below, this left blow needle Mechanism 40 includes a gear-box 1, and this gear-box 1 is furnished with a gear box cover 12 being used for gear-box chamber 11 closing to gear-box 1, Rotationally it is provided with a little gear 111 and a gear wheel 112 in gear-box chamber 11, little gear 111 is mutually nibbled with gear wheel 112 Close, one first oil inlet and oil return oil duct 13 and one second oil inlet and oil return oil duct 14 are offered on gear-box 1, and before gear-box 1 End (i.e. the left end of location status shown in Fig. 2 and Fig. 3) offers guide rod hole 15 before a gear-box, and opens in the rear end of gear-box 1 It is provided with a gear-box back-guiding rod hole 16, before this gear-box, guide rod hole 15 and gear-box back-guiding rod hole 16 are all from a left side for gear-box 1 Side insertion, to right side (), is inserted with guide rod before a gear-box taking location status shown in Fig. 1 as a example in guide rod hole 15 before gear-box 151, and it is inserted with a gear-box back-guiding rod 161 in gear-box back-guiding rod hole 16, lead after guide rod 151 and upper phase before gear-box The left end of bar 161 all with aforementioned under blow the left chamber wall in a chamber 71 and fix, and right-hand member all with blow the right chamber wall in a chamber 71 and fix, front The right blow needle mechanism 50 stating correspond to the right side of gear-box 1 and be simultaneously located at aforesaid gears case before guide rod 151 and gear On case back-guiding rod 161.Also show the leading rod lock spiral shell for limiting the left and right end of guide rod before gear-box 151 in FIG Mother 1511 and the back-guiding rod lock nut 1611 for limiting the left and right end of gear-box back-guiding rod 161.Aforesaid first enters Oil return oil duct 13 and each oil pipe of the second oil inlet and oil return oil duct 14 are connected with hydraulic means such as hydraulic pump (not shown).Specifically It is: respectively join on gear-box 1 and in the position corresponding respectively to the first oil inlet and oil return oil duct 13 and the second oil inlet and oil return oil duct 14 If an oil connection, one end of aforesaid oil pipe and oil connection connect, and the other end is connected with hydraulic pump；Show a blow needle head Binder drive mechanism 2, this blow needle head binder drive mechanism 2 is arranged on aforesaid gears in the position corresponding to aforesaid gears case chamber 11 Case 1 communicates towards upper side and simultaneously with aforesaid first oil inlet and oil return oil duct 13 and the second oil inlet and oil return oil duct 14；Illustrate One blow needle body 3, this blow needle body 3 is connected with aforesaid blow needle head binder drive mechanism 2, and the upper end of blow needle body 3 leans out and blows Syringe needle binder drive mechanism 2, and the lower end of blow needle body 3 is stretched over gear-box by way of gear-box chamber 11 and gear box cover 12 successively The lower section of lid 12, and the lower end of this blow needle body 3 is provided with a cooling medium supply joint fixed seat 31 and a cooling medium Supply joint 32, cooling medium supply joint fixed seat 31 is fixed in the lower end of blow needle body 3.In the present embodiment, cooling medium Supply joint fixed seat 31 adopts the version of Hough, and the version of so-called Hough refers to: cooling medium supply joint Fixed seat 31 is made up of two lobe merged block being mutually symmetrical and obvolvent is in the lower end of (i.e. aforesaid set is fixed in) blow needle body 3, Lift with the lifting of blow needle body 3, between aforesaid two lobe blocks, screw 313 is connect using lobe block and connect, to guarantee and blow needle The obvolvent effect of the lower end of body 3, that is, guarantee with the lifting of blow needle body 3 to lift.Cooling medium supply joint 32 is corresponding to cold But the position of the lower section of medium supply joint fixed seat 31 is fixing with cooling medium supply joint fixed seat 31, in blow needle body 3 Lower end and around blow needle body 3 circumferencial direction constitute have a surface being depressed in blow needle body 3 cooling medium draw groove 33 And one cooling medium introduce groove 34, cooling medium introduce groove 34 be located at cooling medium draw groove 33 lower section, cold But the circumferencial direction interval that medium is drawn in groove 33 and drawn groove 33 around cooling medium offers the cooling of blow needle body and is situated between Matter fairlead 331, and introduce, in cooling medium, the circumferencial direction interval introducing groove 34 in groove 34 and around cooling medium Offer blow needle body cooling medium introduction hole 341, cooling medium draws groove 33 and cooling medium introduce groove 34 with aforementioned Cooling medium supply joint 32 communicates, and aforesaid gear wheel 112 is fixed in the middle part of blow needle body 3；Show a blow needle head 4, Oral area to plastic hollow product (i.e. aforesaid vessel port, as follows) is had on the outer wall of the upper end of this blow needle head 4 shape The blow needle head external screw thread 41 of oral area internal thread, and be provided with the way of screw thread cooperation at the top of the blow needle head cavity of blow needle head 4 One gas port nut 42, the gas port nut centre bore of this gas port nut 42 as inflatable mouth 421, blown with aforementioned by the lower end of blow needle head 4 The upper end of needle body 3 connects.Shown in Fig. 2 and Fig. 3, on the inwall at the top of the blow needle head cavity of blow needle head 4 and corresponding to The position of gas port nut 42 is machined with gas port nut screw connection internal thread 45, and is machined with gas port spiral shell on the outer wall of gas port nut 42 Female external screw thread 422, this gas port nut external screw thread 422 constitutes screw thread pair with the cooperation of gas port nut inner thread 45 screw thread, i.e. both.Blow The upper end of syringe needle 4 is in the shape of cone table；Show the endoceliac gas blow pipe 10 of the blow needle being arranged on blow needle body 3 and a spacer Pipe 20, the upper end of gas blow pipe 10 is stretched over aforesaid inflatable mouth 421, and lower end is stretched over aforementioned cooling medium supply joint 32 The bottom and bottom with cooling medium supply joint 32 is fixedly connected, spacer pipe 20 is nested with outside gas blow pipe 10, this spacer pipe Space between the outer wall of 20 inwall and gas blow pipe 10 is configured to cooling medium and introduces separate space 201, and the outer wall of spacer pipe 20 The space and inwall of aforementioned blow needle head 4 and the cavity wall of blow needle body cavity between is configured to cooling medium and draws separate space 202, cooling Medium introduce separate space 201 communicate with aforesaid blow needle body cooling medium introduction hole 341, and cooling medium extraction separate space 202 with front The blow needle body cooling medium fairlead 331 stated communicates, cooling medium introduce separate space 201 and cooling medium draw separate space 202 by It is opened in dielectric cavity through hole 203 insertion of the upper end of spacer pipe 20, the quantity of this dielectric cavity through hole 203 has one group and encloses Multiple circumferentially spaced around spacer pipe 20；Show that one is used for making aforementioned blow needle head 4 along reverse rotation (the clockwise or inverse time Pin) blow needle head drive mechanism 5, this blow needle head drive mechanism 5 includes a motor 51 and a reduction box 52, and motor 51 is by it It is driven cooperation with reduction box 52 and by reduction box 52 together with motor 51 in the state of motor cabinet 511 is fixing with reduction box 52 simultaneously Be fixed on aforesaid gears case lid 12 towards under side, the reduction gearbox output shaft 521 of reduction box 52 passed with aforesaid little gear 111 It is dynamically connected.

Bottom that illustrated by Fig. 1 and be fixed on gear-box 1 in the first acting cylinder post engaging lug 6011 having already mentioned above Portion, is equally fixed on the gear-box of the structural system of right blow needle mechanism 50 in the second acting cylinder post engaging lug having already mentioned above Bottom.

In order that along inverse in rotational angle range required by technique for the aforesaid cooling medium supply joint fixed seat 31 Rotate, thus the position of the rear side corresponding to cooling medium supply joint fixed seat 31 is provided with a baffle plate 312, this baffle plate 312 with gear box cover 12 towards under side fix.

In the present embodiment, aforementioned motor 51 is to have the AC servo motor of positive and negative rotating function, aforesaid reduction box 52 For planetary gear reduction box.Additionally, applicant, it should be understood that above mentioned cooling medium is water, is still to repeatedly below The same example of cooling medium referring to.

When the motor 51 being controlled by electric control box works, reduction box 52 is driven by motor 51, is slowed down by reduction box 52 And little gear 111 is driven by the reduction gearbox output shaft 521 of reduction box 52, because little gear 111 is meshed with gear wheel 112, Thus gear wheel 112 is driven by little gear 111, and because 112 sets of gear wheel is fixed in the middle part of blow needle body 3, thus by gear wheel Drive blow needle body 3 to rotate, so that blow needle body 3 is shifted up under rotation status together with the blow needle head 4 being connected with its upper end or downwards Displacement, blow needle body 3 together with blow needle head 4 displacement up or down action depend on motor 51 forward or reverse.

As shown in Figure 3, aforesaid little gear 111 has a pinion shaft 1111, and the upper end of this pinion shaft 1111 is passed through Pinion shaft bearing 11111 is rotatably supported on the chamber roof in aforesaid gears case chamber 11, and the lower end of pinion shaft 1111 Middle position offers a reduction gearbox output shaft and is in transmission connection hole 11112, and aforesaid reduction gearbox output shaft 521 passes through before defaulting in The pinion shaft resigning hole 122 on gear box cover 12 stated and being in transmission connection hole 11112 corresponding to reduction gearbox output shaft The reduction gearbox output shaft key 5211 that position is passed through on reduction gearbox output shaft 521 is in transmission connection with little gear 111；Aforesaid gear wheel 112 have a Large Gear Shaft 1121, and the upper end of this Large Gear Shaft 1121 is rotatably supported at by Large Gear Shaft upper bearing (metal) 11211 On the chamber roof in gear-box chamber 11, and the lower end of Large Gear Shaft 1121 is rotatably arranged at by Large Gear Shaft lower bearing 11212 Aforesaid gear box cover 12 is towards the side in gear-box chamber 11.

Please continue to refer to Fig. 2 and Fig. 3, the structure preferably rather than being definitely limited to of aforesaid blow needle head binder drive mechanism 2 is such as Under: include piston/cylinder 21, piston/cylinder fairlead 22 and piston 23, on the top of piston/cylinder fairlead 22, there is a piston Cylinder body guides mantle cavity 221, and bottom is constituted a piston stroke chamber 223, guides in mantle cavity 221 in piston/cylinder and is provided with a guiding Set guide pin bushing 2211, this fairlead guide pin bushing 2211 is slidably matched with the outer wall of aforementioned blow needle body 3, at the bottom of piston/cylinder fairlead 22 One piston/cylinder fairlead flange 222 is had on the outer wall in portion, on this piston/cylinder fairlead flange 222 and around piston cylinder The circumferencial direction interval of body fairlead flange 222 offers fairlead flange fixing threaded hole 2221, fixes spiral shell in fairlead flange It is equipped with fairlead flange fixing screws 22211, on piston/cylinder 21 and solid corresponding to fairlead flange in hole 2221 The position determining screw 2221 offers piston/cylinder screw 211, and this piston/cylinder screw 211 is from piston/cylinder 21 towards upper one Side insertion to towards under side, aforesaid fairlead flange fixing screws 22211 pass through piston/cylinder screw 211 with aforesaid Gear-box 1 is fixing, and piston 23 is arranged in piston/cylinder 21 and is threadeded with aforesaid blow needle body 3, the top of piston 23 Corresponding to aforementioned piston stroke chamber 223, the outer wall of piston 23 simultaneously with the cavity wall in piston stroke chamber 223 and piston/cylinder 21 Inner wall sealing coordinates, and composition has one to be raised in the piston of outer wall surface every disk 231 on the outer wall at the middle part of piston 23, should Space between the bottom surface of disk 231 and piston/cylinder fairlead 22 for the piston is configured to the piston/cylinder upper cylinder half chamber of piston/cylinder 21 212, this piston/cylinder upper cylinder half chamber 212 is communicated with the piston/cylinder oil duct 213 being opened on piston/cylinder 21, and this piston/cylinder Oil duct 213 is communicated with aforementioned first oil inlet and oil return oil duct 13, the sky between the upper surface of the basal surface of piston 23 and aforesaid gears case 1 Between be configured to cylinder chamber 214 under the piston/cylinder of piston/cylinder 21, cylinder chamber 214 and aforesaid second oil inlet and oil return oil under this piston/cylinder Road 14 communicates.From described above and according to Fig. 2 and Fig. 3 signal, aforementioned piston every disk 231 function be build work Plug cylinder body upper cylinder half chamber 212.

Aforesaid piston stroke chamber 223 highly preferred for 2-6, preferably for 3-5, preferably 4, the present embodiment In be 4.Certainly, the stroke up and down of piston 23 and the height size in piston stroke chamber 223 are in the relation followed in sb's footsteps, and And according to the reason drawn inferences about other cases from one instance, blow needle body 3 is identical together with the stroke up and down of blow needle head 4 and the stroke up and down of piston 23.

Please continue to refer to Fig. 2 and Fig. 3, in the piston stroke chamber chamber in the piston stroke chamber 223 of aforementioned piston/cylinder fairlead 22 One piston stroke chamber sealing ring 2231 is embedded with wall, on the inwall of aforesaid piston/cylinder 21 and corresponding to aforementioned work Plug is embedded with a piston/cylinder sealing ring 215 and a back-up ring 216 every the position of the lower section of disk 231, and back-up ring 216 corresponds to piston cylinder The lower section of body sealing ring 215, is embedded with a piston every disk sealing ring 2311 in piston, the outer wall of piston 23 is simultaneously on disk 231 Inwall and piston with piston stroke chamber sealing ring 2231 and piston/cylinder sealing ring 215 sealing cooperation and piston/cylinder 21 Seal cooperation every disk sealing ring 2311；On the outer wall at the middle part of aforementioned blow needle body 3 and in the position corresponding to aforementioned piston 23 Put and be machined with piston connection external screw thread 35, and be machined with piston 23 and in the position connecting external screw thread 35 corresponding to piston Piston connects internal thread 232, and this piston connects internal thread 232, and be connected external screw thread 35 with piston threaded, thus being able to by living Plug 23 drive blow needle body 3 upper and lower displacement.

Blow needle head is machined with the outer wall of the upper end of aforesaid blow needle body 3 and connects external screw thread 36, and in aforementioned blow needle head 4 The inwall of lower end on and the position corresponding to blow needle head external screw thread 36 be machined with blow needle head connect internal thread 43, this blow needle Head connects internal thread 43, and be connected external screw thread 36 with blow needle head threaded and be additionally provided with blow needle head calmly in the lower end of blow needle head 4 Position pin 44, this blow needle head alignment pin 44 probes into aforesaid blow needle body 3.

As preferred scheme, and connecting external screw thread 36 corresponding to blow needle head on the outer wall of the upper end of blow needle body 3 The position of top be embedded sealing ring 38 on a blow needle body, the inwall by sealing ring on this blow needle body 38 and blow needle head 4 is constituted Good sealing relationship.

At the middle part of aforesaid blow needle body 3 and in the position corresponding to aforementioned gear wheel 112, there is a gear wheel to fix Key 37, and have canine tooth wheel key way 1122 on gear wheel 112 and in the position composition corresponding to gear wheel retainingf key 37, this is big Gear keyway 1122 is matched with gear wheel retainingf key 37.

Aforesaid gear box cover 12 towards under side be fixed with one blow needle body lifting signal picker support 121, One blow needle body lifting signal picker 1211 is provided with this blow needle body lifting signal picker support 121；It is situated between in aforementioned cooling Pass through limited block screw in matter supply joint fixed seat 31 and in the position lifting signal picker 1211 corresponding to blow needle body 3113 are fixed with a limited block 311, lift the side structure of signal picker 1211 on this limited block 311 and towards blow needle body Flange 3112 is triggered under triggering flange 3111 and a signal on Cheng Youyi signal.

In the present embodiment, aforesaid blow needle body lifting signal picker 1211 is optoelectronic switch, but if using row Cheng Kaiguan, microswitch, it is closely located to switch, tongue tube or even hall sensing element, then should belong to equivalent and still belong to In technical connotation category disclosed in the utility model.

When aforesaid first oil inlet and oil return oil duct 13 oil-feed, pressure oil (also can claim hydraulic oil) is through piston/cylinder oil duct 213 Enter piston/cylinder upper cylinder half chamber 212, now, the fluid in cylinder chamber 214 under piston/cylinder returns back out through the second oil inlet and oil return oil duct 14 and (draws Go out), force piston 23 descending in the presence of the pressure oil in piston/cylinder upper cylinder half chamber 212, because piston 23 passes through its piston Connect internal thread 232 and be connected external screw thread 35 with the piston on blow needle body 3 and be screwed connection, thus when piston 23 is descending by living The plug 23 drive corresponding ground downlink of blow needle body 3, blow needle head 4 is descending with blow needle body 3, and due to cooling medium supply joint fixed seat 31 Lower end obvolvent with blow needle body 3 is fixed, therefore when blow needle body 3 is descending, the fixation of this cooling medium supply joint recognize 31 and with The cooling medium supply joint 32 that it connects is also accordingly descending.Due also to limited block 311 and cooling medium supply joint fixed seat 31 is fixing, and therefore limited block 311 is also accordingly descending, act on when the aforementioned signal upper contact head flange 3111 on limited block 311 or When claiming the degree lifting signal picker 1211 corresponding to aforesaid blow needle body, signal picker 1211 is lifted by this blow needle body and adopts The signal of collection is simultaneously fed back to electric control box by collection signal, issues instructions to hydraulic means such as hydraulic pump by electric control box, Hydraulic pump is made to quit work.Conversely, when from the second oil inlet and oil return oil duct 14 under piston/cylinder, cylinder chamber 214 introduces pressure oil when, live Fluid in plug cylinder body upper cylinder half chamber 212 is drawn through piston/cylinder oil duct 213 and the first oil inlet and oil return oil duct 13 successively, in piston cylinder Force piston 23 to shift up in the presence of pressure oil in cylinder chamber 214 under body, blow needle body 3 and and blow needle are driven by piston 23 Move on the blow needle head 4 that body 3 connects, the material at the upper end of the blow needle head 4 oral area internal thread position of oral area to plastic hollow product is applied Plus crowded thrust (compression screw socket material), make the material densification at oral area internal thread position and make uniform wall thickness, oral area is vessel port The Forming Quality at position be obviously improved.The degree that piston 23 shifts up acted on contact flange 3112 under signal or claim right Signal picker 1211 should be lifted in blow needle body to be limited.

Please continue to refer to Fig. 2 and Fig. 3, aforesaid cooling medium supply joint 32 is fixed by one group of cooling medium supply joint Screw rod 322 and aforementioned cooling medium supply joint fixed seat 31 towards under side fix, in this cooling medium supply joint 32 Short transverse central authorities constitute have a blow needle body accommodating chamber 321, in the blow needle body accommodating chamber cavity wall of this blow needle body accommodating chamber 321 Top be embedded with blow needle body accommodating chamber the first sealing ring 3211, middle part is embedded with blow needle body accommodating chamber the second sealing ring 3212, And bottom is embedded with blow needle body accommodating chamber the 3rd sealing ring 3213, blow needle body accommodating chamber the first sealing ring 3211 is accommodated with blow needle body Space between chamber the second sealing ring 3212 is configured to cooling medium and draws chamber 3214, and blow needle body accommodating chamber the second sealing ring Space between 3212 and blow needle body accommodating chamber the 3rd sealing ring 3213 is configured to cooling medium and introduces chamber 3215, holds in blow needle body Receive the middle position of bottom in chamber 321 offers a gas blow pipe connection screw thread hole 3216, on cooling medium supply joint 32 simultaneously And offer a cooling medium fairlead 323 in the position drawing chamber 3214 corresponding to cooling medium, this cooling medium fairlead 323 draw chamber 3214 with cooling medium communicates, and is connected with cooling medium circulation supply equipment by pipeline, supplies in cooling medium Offer a cooling medium introduction hole 324 on joint 32 and in the position introducing chamber 3215 corresponding to cooling medium, this is cold But medium introduction hole 324 is introduced chamber 3215 with cooling medium and communicates and equally connected with cooling medium circulation supply equipment by pipeline Connect, the lower end of aforementioned blow needle body 3 is placed in blow needle body accommodating chamber 321, and aforesaid cooling medium draw groove 33 with front The cooling medium extraction chamber 3214 stated is corresponding, and aforesaid cooling medium introduces groove 34 and introduces chamber with aforesaid cooling medium 3215 is corresponding, and the lower end of aforementioned gas blow pipe 10 is in the position corresponding to aforementioned gas blow pipe connection screw thread hole 3216 and cooling medium Supply joint 32 is threaded.Aforesaid cooling medium accommodating chamber the first sealing ring 3211, cooling medium accommodating chamber second seal Circle 3212 and cooling medium accommodating chamber the 3rd sealing ring 3213 and blow needle body 3 sealing cooperation.

In the present embodiment, aforesaid cooling medium accommodating chamber the first sealing ring 3211 and cooling medium accommodating chamber the 3rd The quantity of sealing ring 3213 is respectively a pair；The quantity of aforesaid cooling medium accommodating chamber the second sealing ring 3212 is one, but It can be a pair.

In the plastic after the mould matched moulds of empty product molding machine, worked by aforementioned blow needle head drive mechanism 2, exist by applicant Described above and so that blow needle body 3 is increased together with blow needle head 4, aforesaid piston 23 is in bottom simultaneously.Material embryo when molten plastic After introducing mould, described above and make piston 23 up (cylinder chamber 214 oil-feed under piston/cylinder) by applicant, make blow needle head 4 By the material compacting of the oral area of plastic hollow product, that is, compress screw socket material, then blown by gas blow pipe 10.

Being in plastic melt embryo in blow needle head 4 during gas blow pipe 10 is blown is the shaping of shaped plastics embryo inflation During, cooling medium circulation supply equipment such as circulating pump is also at working condition.The process blown is: by corresponding to gas blow pipe Air inlet pipe that is that connection screw thread hole 3216 position is connected with gas blow pipe 10 and being connected with aerogenesis source such as air compressor machine or air pump is to blowing Tracheae 10 introduces the air with pressure, enters into the inflatable mouth from gas port nut 42 for the air with pressure in gas blow pipe 10 421 are blown in aforesaid shaped plastics embryo so as to bulging is molded.To the process of blow needle head 4 cooling it is: cooling medium is from cooling medium Introduction hole 324 introduces cooling medium and introduces chamber 3215, because this cooling medium introduces the cooling in chamber 3215 and the lower end of blow needle body 3 Medium introducing groove 34 is corresponding, thus cooling medium just cooled medium introduction hole 341 entrance cooling medium introducing separate space 201, by entering into the cooling medium in cooling medium introducing separate space 201, blow needle head 4 is cooled down, and through medium through hole 203 Return and cause cooling medium extraction separate space 202, the cooling medium entering in cooling medium extraction separate space 202 is cold through blow needle body successively But medium fairlead 331, cooling medium are drawn groove 33, cooling medium extraction chamber 3214 and cooling medium fairlead 323 and are drawn, Thus forming the circulating reflux cooling procedure gone round and begun again.First carry out crack mould, blow needle head lift drive mechanism 5 after the completion of air blowing Motor 51 reverse operation, make blow needle body 3 come downwards to lowest order together with blow needle head 4 with rotation status, then carry out standard-sized sheet mould.

Because the structural system of lower blowing apparatus of the present utility model includes aforesaid left blow needle mechanism 40 and right blow needle mechanism 50, thus applicant is described in more detail to its operation principle below.

Refer to Fig. 4 a, Fig. 4 b and Fig. 4 c and combine Fig. 1, in the following description the directionality of involved left and right Or claim directionality concept be all with Fig. 4 a, Fig. 4 b and Fig. 4 c location state for.In Fig. 4 a, Fig. 4 b and Fig. 4 c Show the mould bases 9 of blow moulding machine, this mould bases 9 includes left templates 91 and right mould plate 92, in left templates 91 towards the one of right mould plate 92 Side is sequentially installed with submodule 911 in left templates, left templates main mould 912 and left templates submodule 913 and from top to bottom in left mould Under plate, the bottom of submodule 913 is fixed with left hanging feet 9131, pacifies successively from top to bottom towards the side of left templates 91 in right mould plate 92 The bottom of submodule 923 equipped with submodule 923 under submodule 921, right mould plate main mould 922 and right mould plate on right mould plate and under right mould plate It is fixed with right hanging feet 9231.According to professional general knowledge, in left and right template, submodule 911,921 corresponds to each other, left and right template master Mould 912,922 is mutually corresponding, and under left and right template, submodule 913,923 is equally in correspondence with each other, and left and right template 91, 92 is opening and closing movement.Due to the opening of left and right template 91,92 (molding) and close (i.e. matched moulds) and belong to known technology, to this In addition to can be found in the patent document referring in applicant's superincumbent background technology hurdle, big referring also to cn202162995u( Shape material container Full automatic hollow forming machine), etc., thus applicant no longer repeats to this.

Before pre- matched moulds, under blow seat 7 and be in lowermost position, now aforesaid first acting cylinder 60 and the second acting cylinder 70 work Make, the first acting cylinder post 601 and the second acting cylinder post 701 each to cylinder body intrinsic displacement, the gear-box 1 of left blow needle mechanism 40 with And on the gear-box of right blow needle mechanism 50 guide rod 151 and gear-box back-guiding rod 161 before gear-box opposite displacement that is to say, that The aspectant towards each other direction displacement of left and right blow needle mechanism 40,50, specifically draws close towards centre, that is, is in interposition Put.Then, blow a lift action cylinder 81 under to work, under blow a lift action cylinder post 811 and stretch to outside cylinder body, that is, stretch upwards, Push pedal 85 is promoted by push pedal pushing tow cap 8111, is driven down by guide pillar 6231 by push pedal 85 to blow seat 7 and go upward to centre position and (can join See Fig. 4 b), now under the work of blow needle head drive mechanism 5 (course of work has been described above), blow needle head 4 rotates To upper, piston 23 comes downwards to lowest order simultaneously.

After being in material embryo introducing (i.e. blanking) of melt state, the first acting cylinder 60 and the second acting cylinder 70 are with respect to front State direction of action and make reverse operation, make left and right blow needle mechanism 40,50 enter direction displacement away from one another, left blow needle mechanism 40 The blow needle head of the structural system of the blow needle head 4 of structural system and right blow needle mechanism 50 realizes support material that is to say, that will expect that embryo supports Open, meanwhile, aforesaid left and right template 91,92 opposite displacements, i.e. matched moulds.

After aforementioned left and right template 91,92 matched moulds, son under the left hanging feet 9131 of submodule 913 and right mould plate under left templates The right hanging feet of mould 923 be in aforesaid under blow the state that a hanging feet 72 is mutually hung, submodule 913,923 under left and right template simultaneously Upper shifting, after above moving on to position, aforesaid piston stroking upward (piston 23 upstream or downstream have been stated clearly above), so that blow needle head 4 will be held Material compression at device mouth, that is, the material at screw socket is compressed (also can claim to be compacted).(air blowing process is then to enter air blowing state It is explained in detail above), so that material embryo inflation is molded.

After the completion of air blowing, left and right template 91,92 crack moulds, then under the reverse operation of blow needle head drive mechanism 5, make Blow needle head 4 goes downwards to lowest order, then molds, simultaneously under left templates under submodule 913 and right mould plate submodule 923 move down so as to With aforesaid under blow a hanging feet 72 and depart from, under blow seat 9 and push pedal 85 returns back in situ, and in push pedal 85 from the work of gravity With under make down to blow a lift action cylinder post 811 and return back in cylinder body.

In sum, the technical scheme that the utility model provides compensate for the deficiency in prior art, favorably accomplishes Invention task, has faithfully cashed the technique effect described in applicant's superincumbent technique effect hurdle, can yet be regarded as one ultimate attainment Technical scheme.

Claims (10)

1. under a kind of plastic hollow vessel of blow moulding machine blowing apparatus it is characterised in that include a fulcrum bearing (6), this fulcrum bearing (6) Have one push pedal lifting chamber (61), and the top of this fulcrum bearing (6) with soar in fulcrum bearing (6) state pass through guide pin bushing seat Connecting stud (621) is connected with a guide pin bushing seat (62), this guide pin bushing seat (62) housiung separator with blow moulding machine in a state of use (30) fixation, and this guide pin bushing seat (62) has leads sleeve seat cavity (622), is each provided with the front side of guide pin bushing seat (62) and rear side Guide pillar slip cap (623), is equipped with guide pillar (6231) in the upper each slip of guide pillar slip cap (623)；Once blow seat (7) and once blow Seat lift drive mechanism (8), under blow seat (7) and have and blow a chamber (71), under blow the lower front of seat (7) and back lower with The top of described guide pillar (6231) connects and blows in the middle part of the front side of seat (7) under this and be respectively fixed with the middle part of rear side blows Seat hanging feet (72), under blow a lift drive mechanism (8) in position and the described guide pin bushing seat lifting chamber (61) corresponding to described push pedal (62) bottom is connected and also is fixed with the bottom of described guide pillar (6231)；One left blow needle mechanism (40) and a right blow needle mechanism (50), this left blow needle mechanism (40) and right blow needle mechanism (50) be movably arranged on described under blow and blow seat under seat (7) In chamber (71) and with blow the lifting of seat (7) and lift；For making described left blow needle mechanism (40) and right blow needle mechanism (50) one first acting cylinder (60) of left and right translation and one second acting cylinder (70) in a chamber (71), the first effect are blown under described Cylinder (60) with horizontally-arranged state be arranged on described under blow the lower right side of seat (7), the first acting cylinder post of this first acting cylinder (60) (601) it is connected towards described left blow needle mechanism (40) and with left blow needle mechanism (40), the second acting cylinder (70) is with horizontally-arranged state It is arranged on down the left lower blowing seat (7), the second acting cylinder post (701) of this second acting cylinder (70) is towards described right blow needle machine Structure (50) and being connected with right blow needle mechanism (50).

2. under the plastic hollow vessel of blow moulding machine according to claim 1 blowing apparatus it is characterised in that described right blow needle The structure of mechanism (50) is the structure identical with described left blow needle mechanism (40), and this left blow needle mechanism (40) includes a gear Case (1), this gear-box (1) is furnished with a gear box cover (12) being used for the gear-box chamber (11) of gear-box (1) is closed, in gear Rotationally it is provided with a little gear (111) and a gear wheel (112), little gear (111) and gear wheel (112) phase in case chamber (11) Engagement, offers one first oil inlet and oil return oil duct (13) and one second oil inlet and oil return oil duct (14) on gear-box (1), and in gear The front end of case (1) offers guide rod hole (15) before a gear-box, and offers a gear-box back-guiding rod in the rear end of gear-box (1) Hole (16), before this gear-box, guide rod hole (15) and gear-box back-guiding rod hole (16) are all extremely right from the left side insertion of gear-box (1) Side, is inserted with guide rod (151) before a gear-box in guide rod hole (15) before gear-box, and in gear-box back-guiding rod hole (16) interpolation Be provided with a gear-box back-guiding rod (161), before gear-box the left end of guide rod (151) and upper phase back-guiding rod (161) all with described under The left chamber wall blowing a chamber (71) is fixed, and right-hand member all with blow the right chamber wall in a chamber (71) and fix, described right blow needle mechanism (50) guide rod (151) and gear-box back-guiding rod before being located at the right side of gear-box (1) and being simultaneously located at described gear-box (161) on；One blow needle head binder drive mechanism (2), this blow needle head binder drive mechanism (2) corresponds to described gear-box chamber (11) It is arranged on described gear-box (1) to enter back towards upper side and simultaneously with described the first oil inlet and oil return oil duct (13) and second Oil duct (14) communicates；One blow needle body (3), this blow needle body (3) is connected with described blow needle head binder drive mechanism (2), and The upper end of blow needle body (3) leans out blow needle head binder drive mechanism (2), and the lower end of blow needle body (3) is successively by way of gear-box chamber (11) and gear box cover (12) is stretched over the lower section of gear box cover (12), and the lower end of this blow needle body (3) is provided with one Cooling medium supply joint fixed seat (31) and a cooling medium supply joint (32), cooling medium supply joint fixed seat (31) It is fixed on blow needle body (3), cooling medium supply joint (32) is corresponding under cooling medium supply joint fixed seat (31) The position of side is fixing with cooling medium supply joint fixed seat (31), in the lower end of blow needle body (3) and around blow needle body (3) Circumferencial direction constitutes the cooling medium having a surface being depressed in blow needle body (3) and draws groove (33) and cooling medium introducing Groove (34), cooling medium introduces groove (34) and is located at the lower section that cooling medium draws groove (33), draws recessed in cooling medium The circumferencial direction interval drawing groove (33) in groove (33) and around cooling medium offers blow needle body cooling medium fairlead (331), introduce in groove (34) in cooling medium and the circumferencial direction around cooling medium introducing groove (34) is spaced apart Be provided with blow needle body cooling medium introduction hole (341), cooling medium draws groove (33) and cooling medium introduce groove (34) with Described cooling medium supply joint (32) communicates, and described gear wheel (112) is fixed in the middle part of blow needle body (3)；One blow needle head (4) oral area, having to plastic hollow product on the outer wall of the upper end of this blow needle head (4) shapes the blow needle of oral area internal thread Head external screw thread (41), and the top of the blow needle head cavity of blow needle head (4) is provided with a gas port nut (42), this gas port nut (42) Gas port nut centre bore as inflatable mouth (421), the lower end of blow needle head (4) is connected with the upper end of described blow needle body (3)；Setting In the endoceliac gas blow pipe of the blow needle of blow needle body (3) (10) and a spacer pipe (20), the upper end of gas blow pipe (10) is stretched over institute The inflatable mouth (421) stated, and lower end is stretched over the bottom of described cooling medium supply joint (32) and is supplied with cooling medium The bottom of joint (32) is fixedly connected, and spacer pipe (20) is nested with gas blow pipe (10) outward, the inwall of this spacer pipe (20) and air blowing Space between the outer wall of pipe (10) is configured to cooling medium and introduces separate space (201), and the outer wall of spacer pipe (20) is blown with described Space between the inwall of syringe needle (4) and the cavity wall of blow needle body cavity is configured to cooling medium and draws separate space (202), cooling medium Introduce separate space (201) communicate with described blow needle body cooling medium introduction hole (341), and cooling medium draw separate space (202) and Described blow needle body cooling medium fairlead (331) communicates, and cooling medium introduces separate space (201) and cooling medium draws separate space (202) by dielectric cavity through hole (203) insertion of the upper end being opened in spacer pipe (20), the number of this dielectric cavity through hole (203) Amount has one group and multiple circumferentially spaced around spacer pipe (20)；One is used for making described blow needle head (4) along reverse rotation Blow needle head drive mechanism (5), this blow needle head drive mechanism (5) includes a motor (51) and a reduction box (52), motor (51) and Reduction box (52) transmission cooperation and by reduction box (52) together with motor (51) be fixed on described gear box cover (12) towards under Side, the reduction gearbox output shaft (521) of reduction box (52) is in transmission connection with described little gear (111).

3. under the plastic hollow vessel of blow moulding machine according to claim 2 blowing apparatus it is characterised in that described little gear (111) there is a pinion shaft (1111), pinion shaft bearing (11111) is passed through rotationally in the upper end of this pinion shaft (1111) It is bearing on the chamber roof of described gear-box chamber (11), and the middle position of the lower end of pinion shaft (1111) offers a deceleration Case output shaft is in transmission connection hole (11112), described reduction gearbox output shaft (521) pass through described gear box cover (12) and Corresponding to reduction gearbox output shaft be in transmission connection hole (11112) position pass through reduction gearbox output shaft (521) on reduction box output Axle key (5211) is in transmission connection with little gear (111)；Described gear wheel (112) has a Large Gear Shaft (1121), this canine tooth The upper end of wheel shaft (1121) is rotatably supported on the chamber roof in gear-box chamber (11) by Large Gear Shaft upper bearing (metal) (11211), And the lower end of Large Gear Shaft (1121) is rotatably arranged at described gear box cover (12) by Large Gear Shaft lower bearing (11212) Side towards gear-box chamber (11).

4. under the plastic hollow vessel of blow moulding machine according to claim 2 blowing apparatus it is characterised in that described blow needle head Binder drive mechanism (2) includes piston/cylinder (21), piston/cylinder fairlead (22) and piston (23), in piston/cylinder fairlead (22) top has piston/cylinder guiding mantle cavity (221), and bottom is constituted has a piston stroke chamber (223), in piston/cylinder It is provided with a fairlead guide pin bushing (2211), this fairlead guide pin bushing (2211) is outer with described blow needle body (3) in guiding mantle cavity (221) Wall is slidably matched, and has piston/cylinder fairlead flange (222) on the outer wall of the bottom of piston/cylinder fairlead (22), This piston/cylinder fairlead flange (222) above and around the circumferencial direction interval of piston/cylinder fairlead flange (222) opens up There is fairlead flange fixing threaded hole (2221), be equipped with fairlead flange in fairlead flange fixing threaded hole (2221) and fix spiral shell Nail (22211), above and in the position corresponding to fairlead flange fixing threaded hole (2221) offers work in piston/cylinder (21) Plug cylinder body screw (211), this piston/cylinder screw (211) from piston/cylinder (21) towards upper side insertion to towards under one Side, described fairlead flange fixing screws (22211) passes through piston/cylinder screw (211) fixing with described gear-box (1), Piston (23) is arranged in piston/cylinder (21) and is threadeded with described blow needle body (3), and the top of piston (23) corresponds to In described piston stroke chamber (223), outer wall cavity wall and the piston/cylinder with piston stroke chamber (223) simultaneously of piston (23) (21) inner wall sealing cooperation, and have one on the outer wall at the middle part of piston (23) and be raised in the piston of outer wall surface every disk (231), space between the bottom surface of disk (231) and piston/cylinder fairlead (22) for this piston is configured to piston/cylinder (21) Piston/cylinder upper cylinder half chamber (212), this piston/cylinder upper cylinder half chamber (212) and the piston/cylinder oil duct being opened on piston/cylinder (21) (213) communicate, and this piston/cylinder oil duct (213) is communicated with described first oil inlet and oil return oil duct (13), the basal surface of piston (23) The space and upper surface of described gear-box (1) between is configured to cylinder chamber (214) under the piston/cylinder of piston/cylinder (21), this work Under plug cylinder body, cylinder chamber (214) are communicated with the second described oil inlet and oil return oil duct (14).

5. under the plastic hollow vessel of blow moulding machine according to claim 4 blowing apparatus it is characterised in that in described piston cylinder One piston stroke chamber sealing ring is embedded with the piston stroke chamber cavity wall in the piston stroke chamber (223) of body fairlead (22) (2231), on the inwall of described piston/cylinder (21) and the position in the lower section every disk (231) corresponding to described piston It is embedded with a piston/cylinder sealing ring (215) and a back-up ring (216), back-up ring (216) corresponds to piston/cylinder sealing ring (215) Lower section, is embedded with a piston every disk sealing ring (2311) in piston on disk (231), the outer wall of piston (23) simultaneously with piston row Journey chamber sealing ring (2231) and piston/cylinder sealing ring (215) sealing cooperation and the inwall of piston/cylinder (21) and piston every Disk sealing ring (2311) sealing cooperation；On the outer wall at the middle part of described blow needle body (3) and corresponding to described piston (23) Position be machined with piston and connect external screw thread (35), and upper and connecting external screw thread (35) corresponding to piston in piston (23) Position is machined with piston and connects internal thread (232), and this piston is connected internal thread (232) and is connected external screw thread (35) screw thread with piston even Connect.

6. under the plastic hollow vessel of blow moulding machine according to claim 2 blowing apparatus it is characterised in that in described blow needle Blow needle head is machined with the outer wall of upper end of body (3) and connects external screw thread (36), and on the inwall of the lower end of described blow needle head (4) And it is machined with blow needle head in the position corresponding to blow needle head external screw thread (36) and connect internal thread (43), spiral shell in the connection of this blow needle head It is threaded and be additionally provided with blow needle head alignment pin in the lower end of blow needle head (4) that line (43) is connected external screw thread (36) with blow needle head (44), this blow needle head alignment pin (44) probes into described blow needle body (3)；At the middle part of described blow needle body (3) and corresponding to Constituting in the position of described gear wheel (112) has a gear wheel retainingf key (37), and above and is corresponding in gear wheel (112) The position of gear wheel retainingf key (37) is constituted canine tooth wheel key way (1122), this canine tooth wheel key way (1122) and gear wheel retainingf key (37) match.

7. under the plastic hollow vessel of blow moulding machine according to claim 2 blowing apparatus it is characterised in that in described gear Case lid (12) towards under side be fixed with one blow needle body lifting signal picker support (121), this blow needle body lift signal One blow needle body lifting signal picker (1211) is provided with collector support (121)；Solid in described cooling medium supply joint Reservation (31) is upper and is fixed with a limited block (311) in the position lifting signal picker (1211) corresponding to blow needle body, This limited block (311) is above and the side composition towards blow needle body lifting signal picker (1211) has triggering flange on a signal (3111) triggering flange (3112) under and one signal；Described blow needle body lifting signal picker (1211) is optoelectronic switch, OK Cheng Kaiguan, microswitch, it is closely located to switch, tongue tube or hall sensing element.

8. under the plastic hollow vessel of blow moulding machine according to claim 2 blowing apparatus it is characterised in that described cooling is situated between Matter supply joint (32) is fixed by one group of cooling medium supply joint standing screw (322) and described cooling medium supply joint Seat (31) is fixing, and constituting in the central authorities of the short transverse of this cooling medium supply joint (32) has blow needle body accommodating chamber (321), It is embedded with blow needle body accommodating chamber the first sealing ring on the top of the blow needle body accommodating chamber cavity wall of this blow needle body accommodating chamber (321) (3211), middle part is embedded with blow needle body accommodating chamber the second sealing ring (3212), and to be embedded with blow needle body accommodating chamber the 3rd close for bottom Seal (3213), the sky between blow needle body accommodating chamber the first sealing ring (3211) and blow needle body accommodating chamber the second sealing ring (3212) Between be configured to cooling medium and draw chamber (3214), and blow needle body accommodating chamber the second sealing ring (3212) and blow needle body accommodating chamber the 3rd Space between sealing ring (3213) is configured to cooling medium and introduces chamber (3215), in the bottom of blow needle body accommodating chamber (321) Middle position offers a gas blow pipe connection screw thread hole (3216), in cooling medium supply joint (32) above and corresponding to cold But medium draw chamber (3214) position offer a cooling medium fairlead (323), this cooling medium fairlead (323) with cold But medium is drawn chamber (3214) and is communicated, and is connected with cooling medium circulation supply equipment by pipeline, connects in cooling medium supply Head (32) is upper and offers a cooling medium introduction hole (324) in the position introducing chamber (3215) corresponding to cooling medium, should Cooling medium introduction hole (324) introduces chamber (3215) with cooling medium and communicates and equally by pipeline and cooling medium circulation supply Device connects, and the lower end of described blow needle body (3) is placed in blow needle body accommodating chamber (321), and described cooling medium is drawn Groove (33) and described cooling medium draw that chamber (3214) is corresponding, and described cooling medium introduce groove (34) with described Cooling medium introduce chamber (3215) corresponding, the lower end of described gas blow pipe (10) is corresponding to described gas blow pipe connection screw thread hole (3216) threadeded with cooling medium supply joint (32) in position, described cooling medium accommodating chamber first sealing ring (3211), cooling medium accommodating chamber second sealing ring (3212) and cooling medium accommodating chamber the 3rd sealing ring (3213) and blow needle Body (3) sealing cooperation and cooling medium accommodating chamber first sealing ring (3211) and cooling medium accommodating chamber the 3rd sealing ring (3213) quantity is respectively a pair, and the quantity of cooling medium accommodating chamber second sealing ring (3212) is one or a pair；Described Motor (51) is the AC servo motor with positive and negative rotating function, and described reduction box (52) is planetary gear reduction box.

9. under the plastic hollow vessel of blow moulding machine according to claim 1 blowing apparatus it is characterised in that in described guide pin bushing seat (62) left side and right side are respectively fixed with a fixed strip (624), the front-end and back-end of this fixed strip (624) and described blow moulding machine Housiung separator (30) fixing, and be connected between fixed strip (624) and described fulcrum bearing (6) one group spaced apart Fixed strip support column (6241)；Described the first acting cylinder (60) and the second acting cylinder (70) are cylinder or oil cylinder.

10. under the plastic hollow vessel of blow moulding machine according to claim 1 blowing apparatus it is characterised in that blowing seat under described Lift drive mechanism (8) blows a lift action cylinder (81), lift action cylinder fixed plate (82), fixed plate front support rod under including (83), fixed plate back support rod (84) and push pedal (85), push pedal (85) corresponds to described push pedal lifting chamber (61), this push pedal (85) front end and rear end are all fixed with the bottom of described guide pillar (6231), the upper end of fixed plate front support rod (83) and institute The front side bottom stating guide pin bushing seat (62) is fixedly connected, and the rear side bottom of the upper end of fixed plate back support rod (84) and guide pin bushing seat (62) Portion is fixedly connected, and the front end of lift action cylinder fixed plate (82) is fixedly connected with the lower end of fixed plate front support rod (83), and rises Fall acting cylinder fixed plate (82) rear end be fixedly connected with the lower end of fixed plate back support rod (84), under blow a lift action cylinder (81) made with lifting with longitudinal cantilever position in the position at the middle part of the length direction corresponding to lift action cylinder fixed plate (82) With cylinder fixed plate (82) towards under side fix, blow under this and under lift action cylinder (81), blow a lift action cylinder post (811) pass through acting cylinder post resigning hole (821) being opened in lift action cylinder fixed plate (82) and blow lifting work under this It is fixed with push pedal pushing tow cap (8111) being used for promoting described push pedal (85) with the end of cylinder post (811), described fixed plate Front support rod (83) passes through the front support rod resigning hole (851) of the front end being opened in push pedal (85), and props up after described fixed plate Strut (84) passes through the back support rod resigning hole (852) of the rear end being opened in push pedal (85)；A lift action cylinder is blown under described (81) it is oil cylinder or cylinder.