CN114919155A

CN114919155A - Plastic blow molding system

Info

Publication number: CN114919155A
Application number: CN202210467849.4A
Authority: CN
Inventors: 乔放
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-30
Filing date: 2022-04-30
Publication date: 2022-08-19

Abstract

The invention discloses a plastic blow molding system, comprising: the split die body, the main electric guide rail, the supporting base, the material injection machine and the blank form an assembly; the blank-forming assembly comprises: the support post, annotate material passageway, mould splice block, screw socket shaping hole and moulding sleeve. The split die body is linked with the piston push-pull body, so that the piston cylinder is internally inflated into the transition cylinder and the long guide pipe for storage, when the air blowing pipe is downwards penetrated into the raw material blank body by virtue of the electric telescopic rod to be subjected to blow molding, the limiting rubber block at the bottom of the long guide pipe upwards slides relative to the inner wall of the air blowing pipe, so that the air stored in the long guide pipe and the transition cylinder is flushed out from the space vacated by the bottom of the limiting rubber block and is sprayed out by virtue of the air hole to transversely push away blank materials close to the air blowing pipe, and meanwhile, as the main piston block slides downwards along the connecting sleeve, the air released from the raw material blank body is conveniently longitudinally extruded, so that an initial inner cavity for blow molding is formed, and the follow-up formal blow molding is facilitated.

Description

Plastic blow molding system

Technical Field

The invention relates to the technical field of plastic blow molding, in particular to a plastic blow molding system.

Background

Many things such as common plastic bottles are accomplished through the processing of blowing equipment, plastics blowing equipment is at the operation in-process, mainly rely on earlier to annotate the raw materials of material equipment with the melting form and pour into corresponding die cavity and obtain the idiosome, then rely on blowing mechanism to alternate the trachea in the idiosome, and the idiosome is arranged in the mould and is carried out the blowing, obtain the plastsome that corresponds the shape, and when inserting under the trachea in the raw materials idiosome of primary forming under the general blowing in-process, trachea outside all can take place direct contact with the material body, and suffer the cover of material body very easily in the gas pocket on trachea top layer, so just can adjust formula blowing production influence well, thereby influence the blowing effect.

Disclosure of Invention

The present invention is directed to a plastic blow molding system that solves the problems set forth above in the background.

In order to achieve the purpose, the invention provides the following technical scheme: a plastic blow molding system comprising: the split die body, the main electric guide rail, the supporting base, the material injection machine and the blank form an assembly; the main electric guide rails are horizontally and fixedly connected above the supporting base in a left-right paired mode, and the split mold bodies are arranged on the main electric guide rails in a sliding mode; the blank-forming assembly comprises: the device comprises a support column, a material injection channel, a die splicing block, a screw forming hole and a shaping sleeve; the support column is vertically arranged on the upper side of the middle position of the support base, the material injection channel is vertically arranged in the middle of the inner side of the support column and is communicated with the discharge end of the material injection machine, the shaping sleeve is vertically spliced at the top of the support column, the die splicing block is spliced at the top of the shaping sleeve, and the screw forming hole is arranged in the middle position of the die splicing block; mould concatenation piece upside is provided with the gas blow pipe, evenly distributed has the gas pocket on the outer wall of gas blow pipe, the upside of gas blow pipe is provided with the blowing air pump, the blowing air pump with be provided with the slip air guide subassembly between the gas blow pipe, the slip air guide subassembly includes: the device comprises a transition cylinder, a first one-way air valve, a long conduit, a limiting rubber block, a connecting sleeve, a main piston block and an electric telescopic rod; the transition cylinder is connected to the air outlet end of the blow molding air pump through the first one-way air valve; the long guide pipe is vertically and fixedly connected to the bottom of the transition cylinder, the long guide pipe is inserted into the air blowing pipe in a penetrating mode, the limiting rubber block is arranged on the outer wall of the bottom end of the long guide pipe in a surrounding mode, the connecting sleeve is fixedly connected to the upper side of the die splicing block, the main piston block is fixedly sleeved at the upper end of the air blowing pipe, and the main piston block is connected to the inner side of the connecting sleeve in a sliding fit mode; the vertical fixed connection of electric telescopic handle to connecting sleeve's upside, simultaneously electric telescopic handle's flexible end with master piston piece fixed connection, the equal vertical fixedly connected with of outer wall department vice electric guide rail about connecting sleeve, moulding sleeve upper end cooperation sliding connection to on the vice electric guide rail, the blowing air pump with still be provided with piston gas storage effect mechanism between the transition section of thick bamboo.

Preferably, the piston gas storage mechanism comprises: the piston cylinder, the piston push-pull body, the second one-way air valve and the air return mechanism; the piston cylinders are horizontally arranged on two sides of the transition cylinder in a left-right paired mode, are fixedly connected with the supporting base and are communicated with the transition cylinder through the second one-way air valve; the piston push-pull body is connected in the piston cylinder in a sliding fit mode, the piston push-pull body is fixedly connected with the split mold body, and the air return mechanism is arranged on the piston cylinder.

Preferably, the air return mechanism includes: a third one-way gas valve and a gas suction tube head mounted to the piston barrel and the third one-way gas valve is mounted to the gas suction tube head.

Preferably, a temperature-sensing adjusting mechanism is arranged between the connecting sleeve and the air blowing pipe, and the temperature-sensing adjusting mechanism comprises: the device comprises an electric heating assembly, a temperature detector, a bar magnet, a mounting bar and a magnetic power-off switch assembly; electric heating element vertically bury underground in on connecting sleeve's the inner wall, bar magnet vertical set up in connecting sleeve's rear side is outside, and bar magnet upper end with electric telescopic handle's flexible end fixed connection, bar magnet's lower extreme with master piston piece position parallel and level, the vertical fixed connection of mounting bar is to connecting sleeve's rear side is outside, the vertical equidistance of magnetic force power off switch subassembly distribute in on the mounting bar, thermodetector install extremely the bottom of gas blow pipe, thermodetector with electric heating element cooperation electricity is connected.

Preferably, the electric heating assembly comprises: aluminum tubes and electric heating beads; the aluminum pipes are vertically embedded in the inner wall of the connecting sleeve, and the electric heating beads are distributed in the aluminum pipes at equal intervals; the electric heating beads are connected with the magnetic power-off switch assembly on the mounting strip in a matched mode.

Preferably, the magnetic power-off switch assembly includes: the device comprises a mounting groove, a power-on key switch, an iron pressing block, a connecting chute and a limiting spring; the vertical equidistance of mounting groove set up a plurality ofly in on the mounting bar, every all install in the mounting groove switch on key, switch on key with longitudinal distribution electric heat pearl electricity is connected, every the upper and lower inner wall department of mounting groove is equal the level seted up connect the spout, iron briquetting sliding connection connect the spout, simultaneously the iron briquetting is contradicted switch on key, spacing spring coupling in iron briquetting with connect between the spout, every electric heat pearl with still electricity is connected with automatically controlled knife switch subassembly between the switch on key, thermodetector passes through the relay electricity and connects automatically controlled knife switch subassembly.

Preferably, a separation material-proof body extension mechanism is arranged on the supporting and supporting column, and the separation material-proof body extension mechanism comprises: the device comprises an injection pore channel, a plugging block, an iron rod, a connecting spring, a limiting assembly, a strong pressure air pump, an installation barrel, a pressure induction switch, a magnet block, a telescopic supporting rod, a first stepping motor, a cross arm, an elastic clamping block, a fixed clamping groove, a first travel switch, a second travel switch and a reset assembly; the injection pore canals are vertically arranged on the supporting support posts, a plurality of injection pore canals are uniformly distributed on the supporting support posts, the upper port of each injection pore canal is provided with the plugging block in a sealing way, the iron rod is vertically and fixedly connected to the lower side of the blocking block, the iron rod is connected with the inner side of the injection pore channel through the connecting spring, the limit component is arranged at the bottom of the support supporting column, the telescopic supporting rod is vertically connected between the support base and the material injection machine, the first stepping motor is fixedly connected to the fixed end of the telescopic supporting rod, the cross arm is horizontally and fixedly connected to the spindle end of the first stepping motor, the elastic clamping block is horizontally and movably connected to the tail end of the transverse arm, the fixed clamping groove is formed in the side wall of the telescopic end of the telescopic supporting rod, and the elastic clamping block is clamped in the fixed clamping groove; the reset assembly is arranged on the supporting base, the first travel switch and the second travel switch are respectively installed at two ends of the main electric guide rail, the first travel switch is electrically connected with the reset assembly, the second travel switch is electrically connected with the first stepping motor, the mounting cylinder is fixedly installed at the position, aligned below the supporting support column, of the supporting base, the strong-pressure air pump is fixedly installed at the bottom in the mounting cylinder, the pressure sensing switch is installed at the port edge of the mounting cylinder, the pressure sensing switch is electrically connected with the strong-pressure air pump, the magnet blocks are uniformly distributed at the position, close to the upper port, of the inner side of the mounting cylinder, and the magnet blocks are aligned with the injection hole passages vertically.

Preferably, the spacing subassembly includes: the ball screw, the screw rod sleeve, the clamping plate group and the supporting baffle plate; the ball screw is vertically and fixedly connected to the supporting base, the screw rod sleeve is arranged on the ball screw in a matched and sleeved mode, the supporting baffle is horizontally attached to the bottom of the supporting support column, the lower end of the iron rod abuts against the supporting baffle, the supporting baffle is fixedly connected with the screw rod sleeve, the clamping plate group is fixedly connected with the material injection machine, and the clamping plate group is distributed on the upper side and the lower side of the screw rod sleeve in pairs.

Preferably, the reset assembly comprises: a second stepping motor and a cam; the second stepping motor is fixedly installed on the supporting base, and the cam is installed on the second stepping motor. The second stepping motor is electrically connected with the first travel switch.

Compared with the prior art, the invention has the beneficial effects that:

1. when the mold closing movement of the mold opening body is carried out, the mold opening body is linked with the piston push-pull body, so that the piston cylinder is inflated into the transition cylinder and the long guide pipe for storage, when the air blowing pipe is downwards penetrated into the raw material blank body by virtue of the electric telescopic rod to be subjected to blow molding, the limiting rubber block at the bottom of the long guide pipe upwards slides relative to the inner wall of the air blowing pipe, and the air stored in the long guide pipe and the transition cylinder is flushed out from the space at the bottom of the limiting rubber block and is sprayed out by virtue of the air hole to transversely push away the blank material close to the air blowing pipe;

2. when the temperature detector detects that the temperature inside the raw material embryo body is lower than the corresponding value due to the action of the airflow, the temperature detector feeds back signals to electrify the circuits of the electric heating beads at all positions, when the electric telescopic rod pushes the main piston block and the air blowing pipe downwards, the strip-shaped magnet falls into the range of the magnetic power-off switch component, therefore, along with the extension of the electric telescopic rod, the bar magnet enables the iron pressing block in the mounting groove passing through the position to be separated from the electrified key switch at the position under the action of magnetic force, so that the electric heating bead at the position below the position of the main piston block can be electrified to generate heat, the aluminum pipe is used for diffusing into the connecting sleeve, so that air acting on the raw material blank is conveniently lifted, the temperature inside the inserted raw material blank is conveniently increased, and the temperature increasing action range can be adjusted along with the sliding of the main piston block;

3. the invention is characterized in that after a raw material blank is injection molded on the top of a supporting support column, the supporting support column is kept supported below the injection molded blank to prevent the blank from extending and elongating downwards under the action of gravity, and in the process of closing the split mold body, the supporting support column still keeps a supporting position, only when the split mold body is about to reach the mold closing position along with the driving of a main electric guide rail, a telescopic support rod is unlocked in a linkage manner, so that the supporting support column descends to separate from the raw material blank to prevent the split mold body from closing, and simultaneously, when the supporting support column descends to separate, a blocking block at the upper end of an iron rod is raised relative to the supporting support column due to the limiting of a limiting component, so that the blank is conveniently supported, the limiting component gradually separates in the descending process of the supporting support column, the iron rod drives the blocking block to descend by virtue of magnetic force to open an injection pore passage, and then a strong pressure air pump is linked to generate strong air flow to act on the bottom of the raw material body through the injection pore passage, avoid raw materials downwardly extending to avoid carrying out the butt clamp to the extension when opening the mould body compound die, cause raw materials bottom fracture extravagant.

Drawings

FIG. 1 is a schematic view of the overall structure of a plastic blow molding system according to the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the transition cylinder, blowpipe, main piston block and long conduit of the plastic blow molding system of FIG. 2;

FIG. 4 is a schematic view, partially in section, of the coupling sleeve, aluminum tube and bead of the plastic blow molding system of FIG. 2 in accordance with the present invention;

FIG. 5 is a left side view schematic structural view of the matched connection of the electric telescopic rod, the bar magnet and the mounting bar of the plastic blow molding system of FIG. 2;

FIG. 6 is an enlarged structural view at B in FIG. 5;

fig. 7 is an enlarged structural view at C in fig. 1.

In the figure: 1. splitting the mold body; 2. a main electric rail; 3. a first travel switch; 4. a second travel switch; 5. a ball screw; 6. shaping a sleeve; 7. supporting the support columns; 8. injecting a material machine; 9. a piston cylinder; 10. a piston push-pull body; 11. a blow molding air pump; 12. an electric telescopic rod; 13. a mold splice block; 14. a secondary electric rail; 15. a connecting sleeve; 16. an air blowing pipe; 17. a master piston block; 18. a support base; 19. a second step motor; 20. a cam; 21. a material injection channel; 22. a suction pipe head; 23. a third one-way air valve; 24. a second one-way air valve; 25. air holes; 26. a transition cylinder; 27. a first one-way air valve; 28. a long catheter; 29. limiting the rubber block; 30. an aluminum tube; 31. electric heating beads; 32. a bar magnet; 33. mounting a bar; 34. an elastic clamping block; 35. pressing iron blocks; 36. connecting the sliding chute; 37. a limiting spring; 38. a power-on key switch; 39. forming a screw hole; 40. a temperature detector; 41. mounting grooves; 42. a plugging block; 43. a spray channel; 44. an iron rod; 45. a connecting spring; 46. a support baffle; 47. a screw rod sleeve; 48. a splint group; 49. mounting the cylinder; 50. a pressure sensitive switch; 51. a high pressure air pump; 52. a magnet block; 53. a first step motor; 54. a telescopic supporting rod; 55. fixing the clamping groove; 56. the cross arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a plastic blow molding system comprising: the split die body 1, the main electric guide rail 2, the supporting base 18, the material injection machine 8 and the blank form an assembly; the main electric guide rails 2 are horizontally and fixedly connected to the upper side of the supporting base 18 in pairs from left to right, the split mold bodies 1 are arranged on the main electric guide rails 2 in a sliding mode, the material injection machine 8 and the blank forming assembly are arranged on the supporting base 18 in a matched mode, and the material injection machine 8 is material injection equipment of the existing plastic blow molding system; the blank-forming assembly comprises: the support column 7, the material injection channel 21, the die splicing block 13, the screw forming hole 39 and the shaping sleeve 6; the supporting support post 7 is vertically arranged on the upper side of the middle position of the supporting base 18, the material injection channel 21 is vertically arranged in the middle of the inner side of the supporting support post 7, the material injection channel 21 is communicated with the discharge end of the material injection machine 8, meanwhile, the material injection channel 21 extends to the top of the supporting support post 7, the shaping sleeve 6 is vertically spliced on the top of the supporting support post 7, the die splicing block 13 is spliced on the top of the shaping sleeve 6, the upper end of the split die body 1 is provided with a cavity position corresponding to the splicing die splicing block 13, the screw forming hole 39 is arranged in the middle position of the die splicing block 13, and the blow molding system is used for processing a plastic bottle with a screw port; mould concatenation piece 13 upside is provided with the gas blow pipe 16, and evenly distributed has gas pocket 25 on the outer wall of gas blow pipe 16, and the upside of gas blow pipe 16 is provided with blowing air pump 11, is provided with the slip air guide subassembly between blowing air pump 11 and the gas blow pipe 16, and the slip air guide subassembly includes: the device comprises a transition cylinder 26, a first one-way air valve 27, a long conduit 28, a limiting rubber block 29, a connecting sleeve 15, a main piston block 17 and an electric telescopic rod 12; the transition cylinder 26 is connected to the air outlet end of the blow molding air pump 11 through a first one-way air valve 27, the position of the blow molding air pump 11 is fixed relative to the support base 18, and the first one-way air valve 27 only enables the blow molding air pump 11 to inflate into the transition cylinder 26 and cannot flow back; the long guide pipe 28 is vertically and fixedly connected to the bottom of the transition cylinder 26, the transition cylinder and the transition cylinder are in a communicated state, the long guide pipe 28 is inserted into the blowing pipe 16, the outer wall of the bottom end of the long guide pipe 28 is provided with a limiting rubber block 29 in a surrounding mode, the limiting rubber block 29 is connected to the inner side of the blowing pipe 16 in a matched sliding mode, the opening of the bottom end of the long guide pipe 28 is located at the bottom of the limiting rubber block 29, the connecting sleeve 15 is fixedly connected to the upper side of the mold splicing block 13, the main piston block 17 is fixedly sleeved at the upper end of the blowing pipe 16, and the main piston block 17 is connected to the inner side of the connecting sleeve 15 in a sliding fit mode; the connecting sleeve 15 relatively supports 18 fixed positions of base, the vertical fixed connection of electric telescopic handle 12 to the upside of connecting sleeve 15, the lower extreme of electric telescopic handle 12 is flexible end, electric telescopic handle 12's flexible end and main piston block 17 fixed connection simultaneously, the equal vertical fixedly connected with of outer wall department vice electronic guide rail 14 about connecting sleeve 15, moulding sleeve 6 upper end cooperation sliding connection still is provided with piston gas storage effect mechanism between 11 and the transition section of thick bamboo 26 on vice electronic guide rail 14.

The piston gas storage mechanism comprises: the piston cylinder 9, the piston push-pull body 10, the second one-way air valve 24 and the air return mechanism; the piston cylinders 9 are horizontally arranged on the two sides of the transition cylinder 26 in a left-right paired mode, the piston cylinders 9 are fixedly connected with the supporting base 18, meanwhile, the piston cylinders 9 are communicated with the transition cylinder 26 through the second one-way air valve 24, and the second one-way air valve 24 limits air flow to flow from the piston cylinders 9 to the transition cylinder 26; the piston push-pull body 10 is connected in the piston cylinder 9 in a sliding fit mode, the piston push-pull body 10 is fixedly connected with the split mold body 1, and the air return mechanism is arranged on the piston cylinder 9.

The return-air mechanism includes: a third one-way air valve 23 and an air suction pipe head 22, wherein the air suction pipe head 22 is installed on the piston cylinder 9, the third one-way air valve 23 is installed at the air suction pipe head 22, and the third one-way air valve 23 limits the air flow to only flow from the outside to the inside of the air suction pipe head 22.

When plastic blow molding is required, firstly, a material injection machine 8 pressurizes a molten plastic raw material and acts on a material injection channel 21 in a support column 7, then the molten material body enters a shaping sleeve 6, an original blank body is formed by space limitation formed by the combination of the shaping sleeve 6 and a mold splicing block 13, the material injection is stopped after the material body is extruded into a screw forming hole 39, then an auxiliary electric guide rail 14 is controlled to operate to drive the shaping sleeve 6 to rise upwards to expose the raw material blank body, then main electric guide rails 2 on the left side and the right side are controlled to drive a split mold body 1 to move towards the middle for mold closing, so that the upper end of the split mold body 1 is spliced with the mold splicing block 13 and covers the raw material blank body, when the split mold body 1 on the left side and the right side moves towards the middle for mold closing, the split mold body 1 pushes a piston push-pull body 10, and air in a piston cylinder 9 enters a transition cylinder 26 through a second one-way 24, and is filled into the long conduit 28, before the air blow pipe 16 is downwards penetrated into the raw material blank body, because the limiting rubber block 29 at the bottom of the long conduit 28 is matched and connected to the inner bottom of the air blow pipe 16, the air in the long conduit 28 can not be diffused, so that the internal air pressure is raised, after the mold opening of the mold body 1 is completed, the electric telescopic rod 12 is controlled to downwards extend, so that the electric telescopic rod 12 pushes the main piston block 17 to downwards slide along the connecting sleeve 15, so that the main piston block 17 pushes the air blow pipe 16 to downwards pass through the screw forming hole 39 and be penetrated into the raw material blank body, during the downwards penetrating process of the air blow pipe 16, relative motion is generated between the air blow pipe 16 and the long conduit 28, the limiting rubber block 29 at the bottom of the long conduit 28 upwards slides relative to the inner wall of the air blow pipe 16, so that the air with certain air pressure stored in the long conduit 28 and the transition cylinder 26 is flushed from the space vacated from the bottom of the limiting rubber block 29, and is sprayed from each air hole 25 lower than the position of the limiting rubber block 29, which ensures that the discharged air is discharged from only the part of the air blowing pipe 16 inserted into the raw material blank, so that the air with certain air pressure pushes away the blank material close to the air blowing pipe 16 in advance in the process of inserting the air blowing pipe 16 into the raw material blank, and simultaneously, as the main piston block 17 slides down along the connecting sleeve 15, the air discharged from the raw material blank is conveniently extruded longitudinally, so that the air acts on the inserting position of the air blowing pipe 16 longitudinally, thereby forming an initial inner cavity for blow molding, avoiding the blank material from adhering to the outer wall of the air blowing pipe 16 and influencing the air outlet blow molding of the air holes 25, so that a certain gap exists between the outer wall of the air blowing pipe 16 and the raw material blank after the air blowing pipe 16 is inserted into the raw material blank, so that when the air blowing pump 11 is started, the air pump 11 with certain air pressure can be directly filled into the inserting position of the air blowing pipe 16, the raw material blank is subjected to blow molding in the split mold body 1 after the mold closing, and when the split mold body 1 is separated and reset, the split mold body drives the piston push-pull body 10 to slide back and reset relative to the piston cylinder 9, at the moment, the piston cylinder 9 sucks air through the air suction pipe head 22, and the air storage effect is conveniently performed during the next mold closing.

Be provided with temperature sensing adjustment mechanism between connecting sleeve 15 and gas blow pipe 16, temperature sensing adjustment mechanism includes: the electric heating assembly, the temperature detector 40, the bar magnet 32, the mounting bar 33 and the magnetic power-off switch assembly; electric heating element is vertical to be buried underground on connecting sleeve 15's inner wall, bar magnet 32 is vertical to be set up in connecting sleeve 15's rear side outside, and bar magnet 32 upper end and electric telescopic handle 12's flexible end fixed connection, bar magnet 32's lower extreme and the parallel and level of master piston block 17 position, the vertical fixed connection of mounting bar 33 is outside the rear side of connecting sleeve 15, the vertical equidistance of magnetic force power off switch subassembly distributes on mounting bar 33, thermodetector 40 installs the bottom to gas blow pipe 16, thermodetector 40 is connected with electric heating element cooperation electricity.

The electric heating assembly comprises: an aluminum tube 30 and an electric heating bead 31; the aluminum pipe 30 is vertically embedded in the inner wall of the connecting sleeve 15, a plurality of electric heating beads 31 are distributed in the aluminum pipe 30 at equal intervals, and the electric heating beads 31 are made of electric heating metal; the electric heating bead 31 is connected with the magnetic power-off switch component on the mounting bar 33 in a matching way.

The magnetic force power-off switch assembly includes: the mounting groove 41, the power-on key switch 38, the iron pressing block 35, the connecting chute 36 and the limiting spring 37; a plurality of mounting grooves 41 are longitudinally and equidistantly formed in the mounting bar 33, each mounting groove 41 is internally provided with an electrified key switch 38, the electrified key switches 38 are electrically connected with the electric heating balls 31 which are longitudinally distributed, the upper inner wall and the lower inner wall of each mounting groove 41 are horizontally provided with connecting sliding grooves 36, the iron pressing block 35 is in sliding connection with the connecting sliding grooves 36, meanwhile, the iron pressing block 35 is abutted on the electrified key switches 38, a limiting spring 37 is connected between the iron pressing block 35 and the connecting sliding grooves 36, an electric control knife assembly is further electrically connected between each electric heating ball 31 and the electrified key switch 38, a temperature detector 40 is electrically connected with the electric control knife assembly through a relay, the electric control knife assembly is an existing device, and can be electrically controlled to switch on or off, and the original state of the electric control knife assembly is an off state.

When the air blowing pipe 16 is downwards penetrated to the raw material blank, and the temperature detector 40 detects that the temperature inside the raw material blank is lower than a corresponding value due to the action of air flow, the temperature detector 40 causes the electric control knife assembly between the electric heating bead 31 and the power-on key switch 38 at all positions to be switched on, so that the normal power supply of the circuit where the electric heating bead 31 is located is realized, and when the electric telescopic rod 12 downwards pushes the main piston block 17 and the air blowing pipe 16 to descend, the bar magnet 32 descends into the range where the magnetic power-off switch assembly is located, so that along with the extension of the electric telescopic rod 12, the bar magnet 32 acts on the mounting grooves 41 at more positions, the iron pressing block 35 in the mounting groove 41 at the passing position is caused to slide along the connecting chute 36 under the action of magnetic force, so that the iron pressing block 35 is separated from the power-on key switch 38 at the position, and the lower end of the bar magnet 32 is flush with the position of the main piston block 17, therefore, only the electric heating bead 31 below the main piston block 17 can be electrified to generate heat, and the aluminum pipe 30 diffuses into the connecting sleeve 15, so that air acting on the raw material blank is conveniently promoted, the temperature inside the inserted raw material blank is conveniently increased, and the temperature increase action range can be adjusted along with the downward sliding of the main piston block 17.

Support and be provided with on the support post 7 and break away from preventing that the material body extends the mechanism, break away from preventing that the material body extends the mechanism and include: the device comprises an injection pore channel 43, a blocking block 42, an iron rod 44, a connecting spring 45, a limiting assembly, a strong pressure air pump 51, an installation barrel 49, a pressure induction switch 50, a magnet block 52, a telescopic supporting rod 54, a first stepping motor 53, a cross arm 56, an elastic clamping block 34, a fixed clamping groove 55, a first travel switch 3, a second travel switch 4 and a resetting assembly; the injection pore canal 43 is vertically arranged on the support post 7, the injection pore canal 43 penetrates through the whole support post 7, a plurality of injection pore canals 43 are uniformly distributed on the support post 7, the upper port of each injection pore canal 43 is hermetically provided with a plugging block 42, the caliber of the upper port of each injection pore canal 43 is smaller than the internal dimension, an iron rod 44 is vertically and fixedly connected to the lower side of the plugging block 42, the iron rod 44 is connected with the inner side of the injection pore canal 43 through a connecting spring 45, a limiting assembly is arranged at the bottom of the support post 7, a telescopic support rod 54 is vertically connected between the support base 18 and the injection machine 8, a first stepping motor 53 is fixedly connected to the fixed end of a telescopic support rod 54, a cross arm 56 is horizontally and fixedly connected to the main shaft end of the first stepping motor 53, an elastic clamping block 34 is horizontally and movably connected to the tail end of the cross arm 56 through a rebound hinge, a fixed clamping groove 55 is arranged on the side wall of the telescopic end of the telescopic support rod 54, the elastic clamping block 34 is clamped in the fixed clamping groove 55, and the elastic clamping block 34 cannot rotate at the longitudinal position, so that the elastic clamping block is clamped in the fixed clamping groove 55 and can support the telescopic end of the telescopic supporting rod 54; reset assembly sets up on supporting base 18, first travel switch 3 and second travel switch 4 are installed respectively in the both ends of main electric rail 2, and first travel switch 3 is connected with reset assembly electricity, second travel switch 4 is connected with first step motor 53 electricity, installation section of thick bamboo 49 fixed mounting is to supporting on the support base 18 of the position department of alignment in support die-post 7 below, forced air pump 51 fixed mounting is to the bottom in installation section of thick bamboo 49, forced air pump 50 installs the port border department to installation section of thick bamboo 49, forced air pump 51 electricity is connected to forced air pump 50, magnet piece 52 evenly distributed is a plurality of in the inboard position department that is close to the upper port of installation section of thick bamboo 49, magnet piece 52 aligns the existence from top to bottom with injection pore 43.

Spacing subassembly includes: the ball screw 5, the screw sleeve 47, the clamping plate group 48 and the supporting baffle 46; the vertical fixed connection of ball screw 5 is to supporting on the base 18, and on ball screw 5 was located to the cooperation cover of screw cover 47, the bottom in support post 7 was laminated to the supporting baffle 46 level, and the butt of iron set 44 lower extreme was contradicted on supporting baffle 46, supporting baffle 46 and screw cover 47 fixed connection, splint group 48 with annotate material machine 8 fixed connection, and splint group 48 from top to bottom pairwise distributes in the upper and lower both sides of screw cover 47, and the activity of ball screw 5 passes splint group 48 simultaneously.

The reset assembly includes: a second stepping motor 19 and a cam 20; the second stepping motor 19 is fixedly installed to the support base 18, and the cam 20 is installed to the second stepping motor 19. The second stepping motor 19 is electrically connected to the first stroke switch 3.

After the raw material blank is injection molded on the top of the supporting bracket post 7, the supporting bracket post 7 is kept supported below the injection molded blank, so that the blank is prevented from extending and elongating downwards due to the action of gravity, once the blank is extended and elongated, the extending part is clamped when the split mold body 1 is closed, the bottom of the raw material is broken and wasted, during the closing process of the split mold body 1, the supporting bracket post 7 still keeps a supporting position, only when the split mold body 1 is about to reach the closing position along with the driving of the main electric guide rail 2, the second travel switch 4 is triggered, then the second travel switch 4 causes the first stepping motor 53 to operate, the cross arm 56 is driven to rotate for a circle, the non-elastic clamping block 34 is driven by the cross arm 56 to rotate to be separated from the fixed clamping groove 55, at the separation moment, the telescopic supporting rod 54 contracts downwards due to the action of the gravity of the injection machine, and the supporting bracket post 7 descends accordingly, thereby separating from the bottom of the raw material blank, in the descending process of the supporting support post 7, the iron rods 44 at each position protrude upwards relative to the supporting support post 7 due to the existence of the supporting baffle 46, so as to support the bottom of the blank, and simultaneously, the clamping plate set 48 descends synchronously in the descending process of the supporting support post 7, so that the clamping plate set 48 pushes the screw rod sleeve 47 downwards, because the screw rod sleeve 47 is sleeved on the ball screw 5 in a matching way, so that the screw rod sleeve 47 rotates to drive the supporting baffle 46 to rotate and deviate from the bottom of the supporting support post 7, so that the iron rods 44 at each position subjected to the limiting movement downwards under the resilience force of the connecting spring 45, and because of the descending of the supporting support post 7, the iron rods 44 approach the magnet blocks 52 at the top of the mounting cylinder 49, and then descend downwards relative to the injection hole channel 43 due to the magnetic force of the magnet blocks 52, so as to open the upper ports of the injection hole channel 43, meanwhile, the supporting support column 7 is abutted against a pressure sensing switch 50 at the upper end of the mounting cylinder 49, the pressure sensing switch 50 generates induction to enable a strong pressure air pump 51 to operate, the strong pressure air pump 51 generates strong pressure air flow to be upwards filled into the butted injection pore canal 43, then the strong pressure air flow acts on the bottom of the raw material blank body by means of air pressure, namely, the temporary supporting action is carried out by means of air pressure in the separation process of the supporting support column 7 to prevent the raw material from downwards extending, so that the mould assembling and shaping of the mould body 1 are convenient, when the blow moulding is completed, the mould body 1 slides back and returns under the action of the main electric guide rail 2 and acts on the first travel switch 3, the first travel switch 3 enables the second step motor 19 to operate to drive the cam 20 to rotate for one time, so that the convex lifting end of the cam 20 is upwards pushed onto the injection machine 8 in the rotating process, so that the injection machine 8 is lifted again by means of the flexibility of the telescopic supporting rod 54, when the telescopic supporting rod 54 is extended and reset, the fixed clamping groove 55 and the elastic clamping block 34 are matched and butted again to realize the re-fixation.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plastic blow molding system, comprising: the split die comprises a split die body (1), a main electric guide rail (2), a supporting base (18), an injection machine (8) and a blank forming assembly; the main electric guide rails (2) are horizontally and fixedly connected to the upper part of the supporting base (18) in a left-right paired mode, and the split die bodies (1) are arranged on the main electric guide rails (2) in a sliding mode; the blank-forming assembly comprises: the device comprises a supporting support column (7), an injection channel (21), a die splicing block (13), a screw forming hole (39) and a shaping sleeve (6); the supporting support column (7) is vertically arranged on the upper side of the middle position of the supporting base (18), the material injection channel (21) is vertically arranged in the middle of the inner side of the supporting support column (7), the material injection channel (21) is communicated with the discharge end of the material injection machine (8), the shaping sleeve (6) is vertically spliced on the top of the supporting support column (7), the die splicing block (13) is spliced on the top of the shaping sleeve (6), and the screw forming hole (39) is formed in the middle position of the die splicing block (13); mould concatenation piece (13) upside is provided with gas blow pipe (16), evenly distributed has gas pocket (25) on the outer wall of gas blow pipe (16), the upside of gas blow pipe (16) is provided with blow molding air pump (11), blow molding air pump (11) with be provided with the slip air guide subassembly between gas blow pipe (16), the slip air guide subassembly includes: the device comprises a transition cylinder (26), a first one-way air valve (27), a long conduit (28), a limiting rubber block (29), a connecting sleeve (15), a main piston block (17) and an electric telescopic rod (12); the transition cylinder (26) is connected to the air outlet end of the blow molding air pump (11) through the first one-way air valve (27); the long guide pipe (28) is vertically and fixedly connected to the bottom of the transition cylinder (26), the long guide pipe (28) is inserted into the air blowing pipe (16), the limiting rubber block (29) is arranged on the outer wall of the bottom end of the long guide pipe (28) in a surrounding mode, the connecting sleeve (15) is fixedly connected to the upper side of the mold splicing block (13), the main piston block (17) is fixedly sleeved at the upper end of the air blowing pipe (16), and the main piston block (17) is connected to the inner side of the connecting sleeve (15) in a sliding fit mode; the utility model discloses a blow molding machine, including electric telescopic handle (12), main piston piece (17), the equal vertical fixedly connected with vice electric guide rail (14) of outer wall department about connecting sleeve (15), moulding sleeve (6) upper end cooperation sliding connection to on vice electric guide rail (14), blow molding air pump (11) with still be provided with piston gas storage effect mechanism between transition section of thick bamboo (26).

2. A plastic blow molding system according to claim 1, wherein: the piston gas storage mechanism comprises: the piston cylinder (9), the piston push-pull body (10), the second one-way air valve (24) and the air return mechanism; the piston cylinders (9) are horizontally arranged on two sides of the transition cylinder (26) in a left-right paired mode, the piston cylinders (9) are fixedly connected with the supporting base (18), and meanwhile the piston cylinders (9) are communicated with the transition cylinder (26) through the second one-way air valve (24); the piston push-pull body (10) is connected in the piston cylinder (9) in a sliding fit mode, the piston push-pull body (10) is fixedly connected with the split mold body (1), and the air return mechanism is arranged on the piston cylinder (9).

3. A plastic blow molding system according to claim 2, wherein: the return-air mechanism includes: a third one-way gas valve (23) and a suction pipe head (22), the suction pipe head (22) being mounted to the piston cylinder (9) and the third one-way gas valve (23) being mounted at the suction pipe head (22).

4. A plastic blow molding system according to claim 1, wherein: be provided with temperature sensing adjustment mechanism between connecting sleeve (15) and gas blow pipe (16), temperature sensing adjustment mechanism includes: the device comprises an electric heating assembly, a temperature detector (40), a bar magnet (32), a mounting bar (33) and a magnetic power-off switch assembly; electric heating element vertically bury underground in on the inner wall of connecting sleeve (15), bar magnet (32) vertical set up in the rear side of connecting sleeve (15) is outside, and bar magnet (32) upper end with the flexible end fixed connection of electric telescopic handle (12), the lower extreme of bar magnet (32) with master piston piece (17) position parallel and level, the vertical fixed connection of mounting bar (33) to the rear side of connecting sleeve (15) is outside, the vertical equidistance of magnetic force power off switch subassembly distribute in on mounting bar (33), thermodetector (40) install extremely the bottom of gas blow pipe (16), thermodetector (40) with electric heating element cooperation electricity is connected.

5. A plastic blow molding system according to claim 4, wherein: the electric heating component comprises: an aluminum tube (30) and an electric heating bead (31); the aluminum pipes (30) are vertically embedded in the inner wall of the connecting sleeve (15), and the electric heating beads (31) are distributed in the aluminum pipes (30) at equal intervals; the electric heating bead (31) is connected with the magnetic power-off switch assembly on the mounting strip (33) in a matched mode.

6. A plastic blow molding system according to claim 5, wherein: the magnetic power-off switch assembly includes: the device comprises a mounting groove (41), a power-on key switch (38), an iron pressing block (35), a connecting sliding groove (36) and a limiting spring (37); the mounting grooves (41) are longitudinally and equidistantly arranged on the mounting strip (33), each mounting groove (41) is internally provided with the electrified key switch (38), the power-on key switch (38) is electrically connected with the electric heating beads (31) which are longitudinally distributed, the upper inner wall and the lower inner wall of each mounting groove (41) are both horizontally provided with the connecting sliding chute (36), the iron pressing block (35) is connected with the connecting sliding chute (36) in a sliding way, meanwhile, the iron pressing block (35) is abutted against the power-on key switch (38), the limiting spring (37) is connected between the iron pressing block (35) and the connecting sliding groove (36), an electric control knife assembly is electrically connected between each electric heating bead (31) and the power-on key switch (38), the temperature detector (40) is electrically connected with the electric control knife switch assembly through a relay.

7. A plastic blow molding system according to claim 1, wherein: the support pillar (7) is provided with a separation material-proof body extension mechanism, and the separation material-proof body extension mechanism comprises: the device comprises a spraying pore channel (43), a blocking block (42), an iron rod (44), a connecting spring (45), a limiting assembly, a strong pressure air pump (51), an installation cylinder (49), a pressure sensing switch (50), a magnet block (52), a telescopic supporting rod (54), a first stepping motor (53), a cross arm (56), an elastic clamping block (34), a fixed clamping groove (55), a first travel switch (3), a second travel switch (4) and a reset assembly; the injection pore canal (43) is vertically arranged on the support column (7), meanwhile, a plurality of injection pore canals (43) are uniformly distributed on the support column (7), the upper port of each injection pore canal (43) is provided with the plugging block (42) in a sealing manner, the iron rod (44) is vertically and fixedly connected to the lower side of the plugging block (42), the iron rod (44) is connected with the inner side of the injection pore canal (43) through the connecting spring (45), the limiting assembly is arranged at the bottom of the support column (7), the telescopic supporting rod (54) is vertically connected between the support base (18) and the injection machine (8), the first stepping motor (53) is fixedly connected to the fixed end of the telescopic supporting rod (54), and the cross arm (56) is horizontally and fixedly connected to the main shaft end of the first stepping motor (53), the elastic clamping block (34) is horizontally and movably connected to the tail end of the cross arm (56), the fixed clamping groove (55) is formed in the side wall of the telescopic end of the telescopic supporting rod (54), and the elastic clamping block (34) is clamped in the fixed clamping groove (55); the reset assembly is arranged on the supporting base (18), the first travel switch (3) and the second travel switch (4) are respectively arranged at two ends of the main electric guide rail (2), the first travel switch (3) is electrically connected with the reset assembly, the second travel switch (4) is electrically connected with the first stepping motor (53), the mounting cylinder (49) is fixedly mounted on the supporting base (18) at the alignment position below the supporting support pillar (7), the strong pressure air pump (51) is fixedly mounted at the inner bottom of the mounting cylinder (49), the pressure sensing switch (50) is mounted at the port edge of the mounting cylinder (49), the pressure sensing switch (50) is electrically connected with the strong pressure air pump (51), and the magnet blocks (52) are uniformly distributed at positions, close to the upper port, on the inner side of the mounting cylinder (49), the magnet block (52) is aligned with the injection hole (43) up and down.

8. A plastic blow molding system according to claim 7, wherein: the spacing subassembly includes: the ball screw (5), the screw sleeve (47), the clamping plate group (48) and the supporting baffle (46); the vertical fixed connection of ball screw (5) is in support on base (18), screw cover (47) cooperation cover is located on ball screw (5), support baffle (46) level laminate in the bottom of supporting die post (7), and iron set (44) lower extreme is contradicted on support baffle (46), support baffle (46) with screw cover (47) fixed connection, splint group (48) with annotate material machine (8) fixed connection, and splint group (48) from top to bottom pairwise distribution in the upper and lower both sides of screw cover (47).

9. A plastic blow molding system according to claim 8, wherein: the reset assembly comprises: a second stepping motor (19) and a cam (20); the second stepping motor (19) is fixedly mounted on the support base (18), and the cam (20) is mounted on the second stepping motor (19); the second stepping motor (19) is electrically connected with the first travel switch (3).