Summary of the invention
The object of the invention is to, a kind of injecting, drawing and blowing plastic by one-step method blow moulding machine is provided, utilize it to put into production, can be energy-conservation 2/3rds, efficient, practical advantage.
To achieve these goals, a kind of injecting, drawing and blowing plastic by one-step method blow moulding machine, it comprises: mounting base, be located at the injection device of mounting base one side, be located at the fixed mount of mounting base opposite side, be fixed in the injection bottle base assembly on the fixed mount, register during moulding PC plastic product, the stretch blow assembly, be installed on the blowing matched moulds assembly that is equipped with the stretch blow assembly on the mounting base, be located at injection bottle base assembly below to place the injection station of preform mould, the temperature adjustment sealing cylinder that cooperates with the register that is arranged at the below, divide tooth demoulding cylinder, the rotary template assembly, and fast mold change mechanism, described rotary template assembly is located at the below of fixed mount, this rotary template assembly top is driven by a power motor and rotates, on its below support installing plate two or a fixed mount hoist cylinder are housed, driven rotary template assembly and fixed mount move up and down; Preform mould comprises the bottle base mould of arranging by row or two row stock layout methods and the dental lamina that is used to form thread bottleneck position, the top of this bottle base mould and dental lamina are fixed in the lower surface of rotary template assembly, accommodate the stretch blow mould in the blowing matched moulds assembly, injection bottle base assembly injection moulding semi-finished product bottle base in preform mould, after fixed mount hoist cylinder drive fixed mount and rotary template assembly rise first, driven by power motor again and rotate, drive this semi-finished product bottle embryo and enter the stretch blow die location, the rotary template assembly drops under the drive of fixed mount hoist cylinder in the stretch blow mould, is stretched by the stretch blow assembly, blowing is the finished product bottle.
Described fixed mount hoist cylinder be located at the top of support installing plate or support installing plate below.
Also be provided with gas circuit, hydraulic pressure on the described mounting base, reach the actuator control system.
Described injection device comprises hopper, the barrel that links to each other with hopper, be located at the screw rod of barrel inside, be located at the heating circle of barrel outside and be located at the nozzle of barrel end, and this nozzle is towards the preform mould setting, by the charging in the preform mould of this injection device.
Described bad assembly of injection bottle comprises the bottle base mould stamen of being located at the rotary template below and the folding mould oil cylinder of being located at the rotary template top, this bottle base mould stamen is equipped with bad mould of bottle, bottle base mould stamen moves up and down under the driving of folding mould oil cylinder, to make the bottle base semi-finished product; This bottle base mould stamen, bottle base mould, and the stretch blow mould on temperature sensor line and mould temperature electromagnetism automatic regulating valve all are housed, be provided with the corresponding demonstration of mould temperature and temperature control adjuster in a control panel or outside the control panel.
Described stretch blow assembly comprises sealing cylinder, reaches draft cylinder, sealing stretching two cylinders can be located at one, also can separate separately and arrange, be fixed on the fixed mount, establish the stretching bar in the draft cylinder, this stretching bar is arranged by row or two row stock layout methods and is oppositely arranged with the stretch blow mould, and general who has surrendered's bottleneck seals under the sealing cylinder, and draft cylinder will be inserted under the stretching bar and will blow behind the bottle base semi-finished product stretched vertically.
Described blowing matched moulds assembly comprises four templates; article four, leading post; at least one folding mould oil cylinder; the pinion and-rack lazy-tongs; couple axle and adjusting device; these four templates are arranged in parallel and are connected by four leading posts; the folding mould oil cylinder is installed on the outermost template; couple axle is connected between two templates at interval; the pinion and-rack lazy-tongs comprise four tooth bars; reach the lazy-tongs with the corresponding setting of this four tooth bar; four tooth bars are located on the left and right sides of outermost two templates relatively; lazy-tongs are located at the middle part of blow-moulding mould-closing mechanism assembly; adjusting device is loaded on respectively leading post rear end; and by mode transfer power transmission shaft or chain connection; and consist of a mould preparation plate along leading post with template; couple axle moves; blowing matched moulds assembly is finished the action of folding mould under the driving of folding mould oil cylinder; under the driving of folding mould oil cylinder; pinion and-rack lazy-tongs and the synchronous operation of folding mould oil cylinder; the folding mould oil cylinder is two; be located at respectively the middle part that is positioned at the left and right sides in the blowing matched moulds assembly or near the position of below; perhaps described folding mould oil cylinder is one; be located at the position that is positioned at the middle part, below in the blow-moulding mould-closing mechanism assembly, be used for driving the blow-moulding mould-closing mechanism assembly.
Product is that row are when arranging, blowing matched moulds assembly comprises three templates, article four, leading post, folding mould oil cylinder, pinion and-rack lazy-tongs, three templates are arranged in parallel and are connected by four leading posts, the folding mould oil cylinder is installed on the outermost template, and the pinion and-rack lazy-tongs are located at the left and right sides of outermost two templates.
Described rotary template assembly comprises a rotary template, power motor, this rotary template is located at below the fixed mount, under the driving of power motor, rotate, the dental lamina at the first half thread bottleneck position of three or four preform mould of distributing by average is housed below the rotary template, and this dental lamina is comprised of two profiled sheetings that are equipped with; Three or four positions, the below of described rotary template assembly are fixed with respectively three cover or quadruplet dental laminas, the wherein corresponding setting with the bottle base mould of a cover, a cover and the corresponding setting of register, a cover and the corresponding setting of blowing matched moulds assembly, the another set of minute below of tooth demoulding cylinder of being located at, by the rotation displacement of rotary template assembly, to carry out the circulation moulding of bottle base.
Described fast mold change mechanism comprises movable plate, motor or oil cylinder, lead, reaches chain, and this lead is loaded in the movable plate and play the guiding role, and is loaded on above the lead on the fixed mount, and the below is loaded on the support below, moves up and down under the drive of motor or oil cylinder.
Beneficial effect of the present invention: injecting, drawing and blowing plastic by one-step method blow moulding machine provided by the present invention, it adopts " one-step method " to make hollow product, the top of bottle base mould and dental lamina be installed on the rotary template assembly below, injection bottle base assembly comprises injector head device and barrel, preform mould forms, be used for injection moulding semi-finished product bottle base, again by the rotary template assembly with semi-finished product bottle base rotary moving to the stretch blow assembly, the stretch blow assembly comprises draft cylinder and corresponding stretching bar thereof, be arranged at the side of injection bottle base assembly and be positioned at the top of rotary template assembly and can drive by the fixed mount hoist cylinder and move up and down, the blow-moulding mould-closing mechanism assembly is finished the action of folding mould under the control of folding mould oil cylinder, like this, carry out bimodulus and blow by be shifted up and down stretching assembly and blow-moulding mould-closing mechanism assembly, the semi-finished product bottle base is stretched and blowing is the finished product bottle, thereby can realize circulation production, more energy-conservation 2/3rds than existing production method, efficient also improves greatly; And blank bottle mold core, bottle base mould all are equipped with temperature sense line and corresponding mould temperature electromagnetism automatic regulating valve with the stretch blow mould, can guarantee product quality; In addition, fast mold change mechanism is without hanging device, and a people can finish a whole set of die change in 25 minutes, greatly saved the time; Especially, this injecting, drawing and blowing plastic by one-step method blow moulding machine can be according to the various different preform mould that require, and the folding mould oil cylinder of selecting to be positioned over diverse location meets the needs of production, and it can also produce separately bottle base, dual-use.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, the present invention is limited.
The specific embodiment
Technological means and the effect thereof taked for further setting forth the present invention are described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Shown in Fig. 1-6, the invention provides a kind of injecting, drawing and blowing plastic by one-step method blow moulding machine, it comprises: mounting base 1, be located at the injection device 2 of mounting base 1 one sides, be located at the fixed mount 9 of mounting base 1 opposite side, be fixed in the injection bottle base assembly 3 on the fixed mount 9, register 4 during moulding PC plastic product, stretch blow assembly 8, rotary template assembly 6, be installed on the blowing matched moulds assembly 5 that is equipped with stretch blow assembly 8 on the mounting base 1, be located at injection bottle base assembly 3 belows to place the injection station of preform mould 7, the temperature adjustment sealing cylinder 41 that cooperates with the register 4 that is arranged at the below, divide tooth demoulding cylinder 82, and fast mold change mechanism 10; Described rotary template assembly 6 is located at below the fixed mount 9, these rotary template assembly 6 tops are driven by a power motor 60 and rotate, on its below support installing plate 16 one or two fixed mount hoist cylinder 91 is housed, driven rotary template assembly 6 and fixed mount 9 move up and down; Preform mould 7 comprises the bottle base mould 70 of arranging by row or two row stock layout methods and the dental lamina 71 that is used to form thread bottleneck position, the top of this bottle base mould 70 and dental lamina 71 be fixed in rotary template assembly 6 below, accommodate stretch blow mould (not shown) in the blowing matched moulds assembly 5, injection bottle base assembly 3 is at preform mould 7 interior injection moulding semi-finished product bottle bases, after fixed mount hoist cylinder 91 drive fixed mounts 9 and rotary template assembly 6 rise first, rotated by power motor 60, drive this semi-finished product bottle embryo and enter the stretch blow die location, rotary template assembly 6 drops under the drive of fixed mount hoist cylinder 91 in the stretch blow mould, is stretched by the stretch blow assembly, blowing is the finished product bottle.
As a kind of selective embodiment of the present invention, described fixed mount hoist cylinder 91 be located at support installing plate 16 above, the end of fixed mount hoist cylinder 91 is connected with the gripper shoe 92 of support installing plate 16 belows.Perhaps, as the selective embodiment of another kind of the present invention, described fixed mount hoist cylinder 91 ' is located at following (as shown in Figure 2) of support installing plate 16.
Among the present invention, also be provided with gas circuit, hydraulic pressure on the mounting base 1, reach the actuator control system.
Described injection device 2 comprises hopper 21, the barrel 22 that links to each other with hopper 21, the screw rod of being located at barrel 22 inside, be located at the heating circle of barrel 22 outsides and be located at the nozzle 23 of barrel 22 ends, this nozzle 23 arranges towards preform mould 7, by this injection device 2 to preform mould 7 interior chargings.
Injection bottle base assembly 3 of the present invention comprises the bottle base mould stamen 32 of being located at the rotary template below and the folding mould oil cylinder 31 of being located at the rotary template top, this bottle base mould stamen 32 is equipped with bottle bad mould 7, bottle base mould stamen 32 moves up and down under the driving of folding mould oil cylinder 31, to make the bottle base semi-finished product; This bottle base mould stamen 32, bottle base mould 70, and the stretch blow mould on temperature sensor line and mould temperature electromagnetism automatic regulating valve all are housed, be used for regulating the mold temperature of each bottle base, to guarantee the Forming Quality of bottle base, being provided with corresponding mould temperature in a control panel or outside the control panel shows and the temperature control adjuster, the outside that temperature demonstration that this is corresponding and temperature control adjuster also can be positioned at control panel, this solenoid valve automatic switch is regulated mould temperature.
Stretching assembly 8 is used for semi-finished product bottle base shaping finished product bottle, this stretch blow assembly 8 comprises sealing cylinder 83, and draft cylinder 81, sealing cylinder 83 and draft cylinder 81 can be located at one, and be fixed on the fixed mount 9, sealing cylinder 83 and draft cylinder 81 also can be distinguished separately setting, establish the stretching bar in the draft cylinder 81, this stretching bar is arranged by row or two row stock layout methods and is oppositely arranged with the stretch blow mould, 83 times general who has surrendered's bottlenecks of sealing cylinder seal, draft cylinder 81 can blow bottle base to required shape as required with inserting under the stretching bar and will blowing behind the bottle base semi-finished product stretched vertically.
Be made as the stretch blow station in the blowing matched moulds assembly 5, be used for accommodating the stretch blow mould (not shown) of arranging by row or two row stock layout methods, this stretch blow mould and stretch blow assembly 8 are oppositely arranged, and are positioned at a side of preform mould 7.As a kind of selective embodiment of the present invention, this blowing material matched moulds assembly 5 comprises four templates, article four, leading post 52, at least one folding mould oil cylinder 53, the pinion and-rack lazy-tongs, couple axle 56, adjusting device (not shown), these four templates are arranged in parallel and are connected by four leading posts 52, folding mould oil cylinder 53 is installed on the outermost template, couple axle 56 is connected between two templates at interval, coaxial in order to guarantee, reach with one heart synchronous operation, the pinion and-rack lazy-tongs comprise four tooth bars 55 and with the lazy-tongs of the corresponding setting of this four tooth bar, this four tooth bar 55 is located on the left and right sides of outermost two templates relatively, these lazy-tongs are positioned at the middle part of blowing matched moulds assembly 5, folding mould oil cylinder 53 is the power source of blowing matched moulds assembly 5, be used for driving blowing matched moulds assembly 5, under the driving of folding mould oil cylinder 53, pinion and-rack lazy-tongs and 53 synchronous operations of folding mould oil cylinder, adjusting device is loaded on respectively leading post 52 rear ends, and by mode transfer power transmission shaft or chain connection, it is synchronous when it is adjusted, itself and template consist of a mould preparation plate and move along leading post 52 and couple axle 56, blowing matched moulds assembly 5 is finished the action of folding mould under the driving of folding mould oil cylinder 53, adjusting device is prior art.Also comprise in addition some other appurtenances, as below blowing matched moulds assembly 5, guide rail being installed also, not doing at this and give unnecessary details.As shown in Figure 6, be a kind of embodiment of the present invention, in this embodiment, article four, leading post 52 is located at respectively on these four templates 511,512,513,514 four angles, blowing matched moulds assembly 5 comprises two folding mould oil cylinders 53, these two folding mould oil cylinders 53 are positioned at the position at the middle part of the left and right sides in blowing matched moulds assembly 5, be fixed on the template 514; Couple axle 56 has eight, be connected with four between template 511 and the template 513, be connected with other four between template 512 and the template 514, template 511 and template 513 connect as a whole by couple axle 56, template 512 and template 514 connect as a whole by couple axle 56, jointly be installed between the leading post 52, one cover stretch blow mould is synthetic by two formation of lots plates, be loaded on respectively between template 511 and the template 512, between template 513 and the template 514, folding mould oil cylinder 53 two ends connect respectively template 513 and template 514, expanding-contracting action band moving platen 511 and the template 512 of folding mould oil cylinder 53, template 513 and template 514 simultaneously foldings are finished the double opening and closing movement of this stretch blow mould synchronously.
Be that row are when arranging such as the product of producing; just can be made into a blow-moulding mould-closing mechanism with three templates; and save the material of a template; as shown in Figure 3; blowing matched moulds assembly comprises three templates 511; 512; 513; article four, leading post 52; a folding mould oil cylinder 53; the pinion and-rack lazy-tongs comprise four tooth bars 55; three templates are arranged in parallel and are connected by four leading posts 52; folding mould oil cylinder 53 is installed on outermost 513 templates; and extension is connected with template 512; the pinion and-rack lazy-tongs comprise that four tooth bars 55 are located at the left and right sides of outermost two templates; the stretch blow mould is loaded on template 511; between 512; band moving platen 511 during oil cylinder 53 action; 512 synchronization actions are finished the opening and closing movement of this stretch blow mould.
Rotary template 6 comprises a rotary template 61, power motor 60, and this rotary template 61 is located at below the fixed mount 9, rotates under the driving of power motor 60.
The below of injection bottle base assembly 3 is made as injection station, be used for placing a cover preform mould 7, this preform mould 7 is staggered relatively with injection bottle base assembly 3, and be positioned at the side of blowing matched moulds assembly 5, formed by the bottle base mould 70 of arranging by row or two row stock layout methods and the dental lamina 71 that is used to form thread bottleneck position, two row stock layout methods are arranged and are arranged for four forming holes of every row, the top of bottle base mould 70 and dental lamina 71 are fixed in the below of rotary template assembly 6, and dental lamina 71 is comprised of two profiled sheetings that are equipped with.Especially, below rotary template assembly 6, be fixed with respectively the dental lamina 71 at the first half thread bottleneck position of three preform mould of distributing by average, in the present embodiment, the below of rotary template assembly 6 is fixed with respectively three cover dental laminas 71, the corresponding settings of cover and bottle base mould 70, overlap be positioned at blowing matched moulds assembly 5 above, another set of be positioned at the corresponding rotary template of minute tooth demoulding cylinder 82 below, by the rotation displacement of rotary template assembly 6, can carry out the circulation moulding of bottle base.When producing the PC plastic product, divide the dental lamina at equipped quadruplet thread bottleneck position below the rotary template assembly 6 by average, namely increase a temperature adjustment station.
Divide tooth demoulding cylinder 82 to comprise two wedged blocks, descending two wedged blocks of this minute tooth cylinder are opened two profiled sheetings of dental lamina 71, take out to make things convenient for finished product.
Fast mold change mechanism 10 comprise movable plate 11, motor 12 or oil cylinder 13, lead 14, and chain 15, this lead 14 be loaded in the moving die plate 11 and play the guiding role; be loaded on above the lead 14 on the fixed mount 9; the below is loaded on mounting base 1 below; under the drive of motor 12 or oil cylinder 13, move up and down, and do not need more mold exchange of special-purpose hanging device fast and easy.
During injecting, drawing and blowing plastic by one-step method blow moulding machine work of the present invention, after control system is sent start-up command, the 91 upper end oil-feeds of fixed mount hoist cylinder, drive fixed mount 9 whole declines, the folding mould oil cylinder 31 upper end oil-feeds of injecting simultaneously bottle base assembly 3 drive injection bottle base assembly 3 and move down, bottle base core rod 32 enters preform mould 7 fully, preform mould 7 tops are closed, plastics enter barrel 22 by hopper 21, via the heating of heating circle and the melting of screw rod, after mixing, melt injects bottle base mould 70 through the nozzle 23 of barrel 22 front ends, around bottle base core rod 32, form the tubulose bottle base at the end, after being cooled to a certain degree be surface skining, the 91 lower end oil-feeds of fixed mount hoist cylinder drive fixed mount and rise overally, the 31 lower end oil-feeds of simultaneously folding mould oil cylinder, drive injection matched moulds assembly 3 and rise, because the top of bottle base mould and the lower surface that dental lamina 71 is loaded on rotary template assembly 6, so the bottle base after the moulding also just hangs on the below of dental lamina 71.After fixed mount hoist cylinder 91 stops with 31 risings of folding mould oil cylinder, then spent to the position of stretch blow assembly by 6 rotations 120 of power motor 60 driven rotary template assemblies, simultaneously, the dental lamina 71 that is positioned at rotary template assembly 6 another sides just moves into again injection bottle base assembly place, carries out another circulation bottle base molding process.When bottle base moves to stretch blow assembly 8 station; under the drive of fixed mount hoist cylinder 91; after bottle base moved into the stretch blow mould; behind the folding mould oil cylinder 53 front end oil-feed matched moulds of blow-moulding mould-closing mechanism assembly 5; 83 times general who has surrendered's bottlenecks of sealing cylinder seal; insert and to blow behind the bottle base stretched vertically under the stretching bar that draft cylinder 81 will be corresponding with it; blow to the desired shape of mould; after the rear folding mould oil cylinder 53 rear end oil-feed die sinkings of time-delay cooling; the 91 lower end oil-feeds of fixed mount hoist cylinder are risen; sealing cylinder 83; draft cylinder 81 return that rises simultaneously; wait for next circulation; rotary template assembly 6 is rotating 120 degree below minute tooth demoulding cylinder 82 under the drive of power motor; divide tooth demoulding cylinder 82 upper end air inlets and descending, drive two contract pieces two formation of lots plates of dental lamina 71 are opened, fall behind under the bottle of moulding; divide the 82 lower end air inlets of tooth demoulding cylinder to divide tooth demoulding cylinder 82 rising returns, wait for next circulation.
After the bottle base moulding of another circulation, power motor driven rotary template assembly 6 rotation 120 is spent to the stretch blow station, the periodic duty that goes round and begins again, and namely another station also carries out stretch blow moulding shaping finished product bottle and product and deviates from when the moulding bottle base.
As shown in Figure 4; structural representation for the blowing matched moulds assembly 5 of another embodiment of the present invention; the difference of this embodiment and above-described embodiment is; blowing matched moulds assembly 5 comprises a folding mould oil cylinder 53 ', the position at middle part below this folding mould oil cylinder 53 ' is positioned in blow-moulding mould-closing mechanism assembly 5.
As shown in Figure 5; structural representation for the blowing matched moulds assembly 5 of another embodiment of the present invention; the difference of this embodiment and above-described embodiment is; blow-moulding mould-closing mechanism assembly 5 comprises two folding mould oil cylinders 53 ", but these two folding mould oil cylinders 53 " in blowing matched moulds assembly 5, be positioned at respectively the left and right sides near below the position.
In sum, injecting, drawing and blowing plastic by one-step method blow moulding machine provided by the present invention, it adopts " one-step method " to make hollow product, the top of bottle base mould and dental lamina be installed on the rotary template assembly below, injection bottle base assembly comprises injector head device and barrel, preform mould forms, be used for injection moulding semi-finished product bottle base, again by the rotary template assembly with semi-finished product bottle base rotary moving to the stretch blow assembly, the stretch blow assembly comprises draft cylinder and corresponding stretching bar thereof, be arranged at the side of injection bottle base assembly and be positioned at the top of rotary template assembly and can drive by the fixed mount hoist cylinder and move up and down, the blow-moulding mould-closing mechanism assembly is finished the action of folding mould under the control of folding mould oil cylinder, like this, carry out bimodulus and blow by be shifted up and down stretching assembly and blow-moulding mould-closing mechanism assembly, the semi-finished product bottle base is stretched and blowing is the finished product bottle, thereby can realize that circulation produces, more energy-conservation 2/3rds than existing production method, efficient is greatly improve also; And blank bottle mold core, bottle base mould all are equipped with temperature sense line and corresponding mould temperature electromagnetism automatic regulating valve with the stretch blow mould, can guarantee product quality; In addition, fast mold change mechanism is without hanging device, and a people can finish a whole set of die change in 25 minutes, greatly saved the time; Especially, this injecting, drawing and blowing plastic by one-step method blow moulding machine can be according to the various different preform mould that require, and the folding mould oil cylinder of selecting to be positioned over diverse location meets the needs of production, and it can also produce separately bottle base, dual-use.
The above for the person of ordinary skill of the art, can make other various corresponding changes and distortion according to technical scheme of the present invention and technical conceive, and all these changes and distortion all should belong to the protection domain of claim of the present invention.