CN114801123A

CN114801123A - Full-automatic extrusion hollow blow molding machine

Info

Publication number: CN114801123A
Application number: CN202210354295.7A
Authority: CN
Inventors: 张容浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-07-29

Abstract

The invention belongs to the technical field of blow molding machines, and particularly relates to a full-automatic extrusion hollow blow molding machine which comprises a charging barrel, wherein a transmission heating part for transmitting materials is arranged on the inner wall of the charging barrel, a blow molding part for blow molding the materials heated by the transmission heating part is fixedly communicated with one end of the charging barrel, a blanking hopper is fixedly communicated with the inner wall of the upper end of the charging barrel, and a dredging device for dredging the materials in the blanking hopper is arranged right above the blanking hopper. This full-automatic hollow blow molding machine of extruding, it drives first hinge bar with two driving motor to have reached and rotates, and then drives two first hinge bar staggered movements, the second hinge bar swings along with the rotation of first hinge bar, and the cooperation through dredging rod and guide cylinder drives the pull throughs and material in the hopper is become flexible and the mediation is driven to the oscilaltion in hopper down, replace manual operation through mechanical mediation, and then reduce the cost of labor, increase the production efficiency of blow molding machine.

Description

Full-automatic extrusion hollow blow molding machine

Technical Field

The invention relates to the technical field of blow molding machines, in particular to a full-automatic extrusion hollow blow molding machine.

Background

Blow molding, also known as blow molding, is a rapidly developing plastic processing method. A tubular plastic parison obtained by extruding or injection molding thermoplastic resin is placed in a split mold while the parison is hot (or heated to a softened state), compressed air is introduced into the parison immediately after the mold is closed, so that the plastic parison is blown to cling to the inner wall of the mold, and various hollow products are obtained after cooling and demolding;

the raw materials can appear piling up in the hopper bottom in the extruder body's of blowing machine hopper when the feeding, supports each other, causes the unable feed cylinder that gets into of raw materials, leads to the unable continuous supply of raw materials for the unable normal work of blowing machine needs the staff to climb to the height of hopper, dredges the hopper through the rod is manual, is not convenient for operate and has reduced the production efficiency of blowing machine.

Disclosure of Invention

The invention provides a full-automatic extrusion hollow blow molding machine, which is based on the technical problems that raw materials of the existing blow molding machine are accumulated at the bottom of a hopper, and when the raw materials cannot enter a material cylinder, a worker needs to climb to the height of the hopper, and the hopper is dredged manually through a stick, so that the operation is inconvenient, and the production efficiency of the blow molding machine is reduced.

The invention provides a full-automatic extrusion hollow blow molding machine which comprises a charging barrel, wherein a transmission heating component for transmitting materials is arranged on the inner wall of the charging barrel, one end of the charging barrel is fixedly communicated with a blow molding component for blow molding the materials heated by the transmission heating component, the inner wall of the upper end of the charging barrel is fixedly communicated with a blanking hopper, and a dredging device for dredging the materials in the blanking hopper is arranged right above the blanking hopper;

the dredging device comprises two symmetrically distributed mounting frames, a driving part, a main dredging part and an auxiliary part;

the driving part comprises a first hinged rod and a second hinged rod which drive the main dredging part to lift up and down to dredge materials in the blanking hopper, and free ends of the two second hinged rods are hinged with the upper end of the main dredging part;

the main dredging component comprises a dredging rod and a guide cylinder, a guide convex block is fixedly connected to the inner wall of the lower end of the guide cylinder, a spiral groove which is in sliding insertion connection with the outer surface of the guide convex block is formed in the outer surface of the dredging rod, and the guide convex block is matched with the spiral groove to drive the dredging rod which is lifted up and down to rotate;

the auxiliary component comprises an auxiliary block which is arranged at the lower end of the dredging rod and used for accelerating the loosening of materials, the auxiliary block is close to one side surface of the dredging rod, a hinge interface is arranged on the side surface of the auxiliary block, and a supporting rod which is used for controlling the state of the auxiliary block is movably hinged to the inner wall of the hinge interface.

Preferably, the two mounting frames are respectively mounted on the surfaces of the two sides of the charging barrel, first mounting openings are formed in the opposite surfaces of the upper ends of the two mounting frames, and driving motors are fixedly mounted on the inner walls of the two first mounting openings;

through the technical scheme, the effect of installing the two driving motors through the first installing ports formed in the two installing frames is achieved.

Preferably, one end of each of the two first hinge rods is fixedly sleeved on the surface of the main shaft of each of the two driving motors, and one end of each of the first hinge rods is movably hinged with one end of each of the second hinge rods through a pin;

through above-mentioned technical scheme, reached and driven the effect that mediation part dredges the material in the hopper down through the cooperation of first articulated rod and second articulated rod.

Preferably, the main dredging component further comprises a connecting column, the free ends of the two second hinged rods are respectively and movably hinged with the surfaces of the two sides of the connecting column through pin shafts, the lower surface of the connecting column is fixedly connected with a mounting disc, the lower surface of the mounting disc is provided with a first connecting port for mounting the dredging rod, and the outer surface of the upper end of the dredging rod is fixedly connected with the inner wall of the first connecting port through a bearing;

through above-mentioned technical scheme, reached and installed between dredging rod and the mounting disc through the bearing for dredging rod can not hinder the effect of the normal removal of mounting disc when rotatory.

Preferably, the edge of the upper end of the guide cylinder is fixedly connected with two supporting plates for mounting the guide cylinder, the two supporting plates are fixed on the upper surface of the blanking hopper through bolts, the lower surface of the guide cylinder is fixedly connected with a material blocking ring, and the inner surface of the material blocking ring is movably sleeved with the outer surface of the dredging rod;

through above-mentioned technical scheme, reached and supported and installed the guide cylinder through two backup pads to prevent through keeping off the material ring that the material from getting into the inside effect of guide cylinder.

Preferably, the auxiliary component further comprises an extrusion disc, the extrusion disc is movably sleeved on the outer surface of the dredging rod, five connecting rods distributed in an annular array are fixedly connected to the upper surface of the extrusion disc, a material storage cavity with an inner wall in a concave-character-shaped structure is formed in the inner wall of the mounting disc, hydraulic oil is arranged in the inner wall of the material storage cavity, five sleeve joints matched with the connecting rods are formed in the inner bottom wall of the material storage cavity, and the outer surfaces of the five connecting rods are respectively movably sleeved with the interiors of the five sleeve joints and extend to the inner wall of the material storage cavity;

through above-mentioned technical scheme, reached and driven the connecting rod through the extrusion to the extrusion dish and removed in the socket to carry out the effect of depositing to hydraulic oil through the storage cavity.

Preferably, the top surfaces of the five connecting rods are fixedly connected with piston rings for pushing hydraulic oil in the storage cavity, the outer surfaces of the piston rings are movably sleeved with the inner wall of the storage cavity, the upper surfaces of the piston rings are fixedly connected with five first springs for driving the piston rings to reset, and the free ends of the five first springs are fixedly connected with the inner top wall of the storage cavity;

through above-mentioned technical scheme, reached and moved the piston ring through five connecting rods and removed in the storage cavity and extrude hydraulic oil to drive the effect that the piston ring resets through first spring.

Preferably, a first communicating port communicated with the first communicating port is formed in the inner bottom wall of the middle of the material storage cavity, a discharging hole communicated with the first communicating port is formed in the upper surface of the dredging rod, and five second communicating ports which are in an annular array and used for distributing hydraulic oil are formed in the inner wall of the lower end of the discharging hole;

through above-mentioned technical scheme, reached through first intercommunication mouth with hydraulic oil arrange to arrange material downthehole to arrange the downthehole hydraulic oil of material to five second intercommunication intraoral effect.

Preferably, a telescopic cavity is formed in the inner wall of the second communication port, the outer surface of the support rod is movably sleeved with the inner wall of the second communication port, a piston disc is fixed on the surface of one end of the support rod, the outer surface of the piston disc is movably sleeved with the inner wall of the telescopic cavity, one end of the telescopic cavity is fixedly connected with a second spring for driving the piston disc to reset, and the free end of the second spring is fixedly connected with the surface of one end of the piston disc;

through above-mentioned technical scheme, reached and driven the bracing piece and slide in the second intercommunication mouth through the promotion of hydraulic oil to the piston dish to the effect that the second spring drove the piston dish and reset.

Preferably, the lower end surface of the dredging rod is provided with five mounting grooves for mounting the auxiliary blocks, and the five auxiliary blocks are respectively mounted on the inner walls of the five mounting grooves through pin shafts;

through above-mentioned technical scheme, reached and carried out the effect of installing to supplementary piece through the mounting groove.

The beneficial effects of the invention are as follows:

1. through setting up drive disk assembly, it rotates to have reached to drive first hinge bar with two driving motor, and then drive two first hinge bar staggered movement, the second hinge bar swings along with the rotation of first hinge bar, and the cooperation through dredging rod and guide cylinder drives the material of pull throughs in the hopper under oscilaltion is not hard up and is dredged down in the hopper, replace manual operation through mechanical mediation, and then reduce the cost of labor, increase the production efficiency of blowing machine.

2. Through setting up main mediation part, reached at mediation pole lift in-process, the helicla flute cooperation on direction lug and mediation pole surface for the mediation pole produces rotatoryly when going up and down, and then dredges the bottom material of hopper down, increases the effect of hopper mediation down through the revolving force.

3. Through setting up the auxiliary component, at the in-process that the mediation pole moved down, the last surface contact of stripper plate and guide cylinder, and then extrude the stripper plate, make the stripper plate drive the piston ring through the connecting rod and remove in the storage cavity, extrude the hydraulic oil in the storage cavity, make hydraulic oil flow to the discharge hole of mediation pole from first intercommunication mouth, extrude the piston dish of hydraulic oil to flexible intracavity, make the piston dish remove at flexible intracavity, and then make the auxiliary block deflect to the outside through the articulated of bracing piece and auxiliary block, and then further loose and extruded effect to the material through the auxiliary block.

Drawings

FIG. 1 is a schematic view of a fully automatic extrusion blow molding machine according to the present invention;

FIG. 2 is a cross-sectional view of a fully automatic extrusion blow molding machine according to the present invention;

FIG. 3 is a perspective view of a dredging device of a fully automatic extrusion blow molding machine according to the present invention;

FIG. 4 is a perspective view of a blow-through member of the fully automatic extrusion blow molding machine according to the present invention;

FIG. 5 is a sectional view of a mounting plate structure of a fully automatic extrusion blow molding machine according to the present invention;

FIG. 6 is a cross-sectional view of a structure of a dredging rod of a full-automatic extrusion hollow blow molding machine according to the present invention;

fig. 7 is a perspective view of an extrusion disc structure of a fully automatic extrusion blow molding machine according to the present invention.

In the figure: 1. a charging barrel; 2. a conveying heating member; 3. a blow molded part; 4. feeding a hopper; 5. a mounting frame; 51. a first hinge lever; 52. a second hinge lever; 53. a first mounting port; 54. a drive motor; 6. dredging the rod; 61. a guide cylinder; 62. a guide projection; 63. a helical groove; 64. connecting columns; 65. mounting a disc; 66. a first connection port; 67. a support plate; 68. a material blocking ring; 7. an auxiliary block; 71. hinging the interface; 72. a support bar; 73. an extrusion disc; 74. a connecting rod; 75. a material storage cavity; 76. a socket; 77. a piston ring; 78. a first spring; 79. a first communication port; 710. a discharge hole; 711. a second communication port; 712. a telescoping chamber; 713. a piston disc; 714. a second spring; 715. and (4) mounting the groove.

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.

Referring to fig. 1-7, a full-automatic extrusion hollow blow molding machine comprises a charging barrel 1, wherein a transmission heating component 2 for transmitting materials is arranged on the inner wall of the charging barrel 1, a blow molding component 3 for blow molding the materials heated by the transmission heating component 2 is fixedly communicated with one end of the charging barrel 1, a blanking hopper 4 is fixedly communicated with the inner wall of the upper end of the charging barrel 1, and a dredging device for dredging the materials in the blanking hopper 4 is arranged right above the blanking hopper 4.

The dredging device comprises two symmetrically distributed mounting frames 5, a driving part, a main dredging part and an auxiliary part.

As shown in fig. 1-4, the driving part comprises a first hinge rod 51 and a second hinge rod 52 for driving the main dredging part to ascend and descend to dredge the materials in the discharge hopper 4, and the free ends of the two second hinge rods 52 are hinged to the upper end of the main dredging part, in order to install and fix the two mounting frames 5, the two mounting frames 5 are respectively installed on the two side surfaces of the charging barrel 1, in order to install the two driving motors 54, first installation ports 53 are respectively arranged on the opposite surfaces of the upper ends of the two mounting frames 5, and the driving motors 54 are respectively and fixedly installed on the inner walls of the two first installation ports 53, so that the effect of installing the two driving motors 54 through the first installation ports 53 arranged on the two mounting frames 5 is achieved.

In order to drive the first hinged rod 51, one end of each of the two first hinged rods 51 is fixedly sleeved on the surface of the main shaft of each of the two driving motors 54, and further, one end of each of the first hinged rod 51 is movably hinged to one end of each of the second hinged rod 52 through a pin shaft, so that the effect of dredging the materials in the lower hopper 4 by the dredging component driven by the matching of the first hinged rod 51 and the second hinged rod 52 is achieved.

As shown in fig. 1-6, the main dredging component comprises a dredging rod 6 and a guide cylinder 61, in order to guide the dredging rod 6 and drive the dredging rod 6 to rotate in the lifting process of the dredging rod 6, a guide projection 62 is fixedly connected to the inner wall of the lower end of the guide cylinder 61, a spiral groove 63 which is in sliding insertion connection with the outer surface of the guide projection 62 is arranged on the outer surface of the dredging rod 6, further, the guide projection 62 is matched with the spiral groove 63 to drive the dredging rod 6 which is lifted up and down to rotate, further, the main dredging component further comprises a connecting column 64, in order to connect the second hinged rods 52 with the connecting column 64, the free ends of the two second hinged rods 52 are respectively movably hinged with the surfaces of two sides of the connecting column 64 through pin shafts, further, a mounting disc 65 is fixedly connected to the lower surface of the connecting column 64, in order to connect the mounting disc 65 with the dredging rod 6, offer the first interface 66 that is used for installing dredge rod 6 at the lower surface of mounting disc 65 to inner wall fixed connection through bearing and first interface 66 at the upper end surface of dredge rod 6 has reached and has installed between dredge rod 6 and the mounting disc 65 through the bearing, makes dredge rod 6 can not hinder the effect of the normal removal of mounting disc 65 when rotatory.

In order to install and support guide cylinder 61, there are two backup pads 67 that are used for installing guide cylinder 61 at the upper end border department fixedly connected with of guide cylinder 61, it is further, pass through the upper surface of bolt fastening and lower hopper 4 at two backup pads 67, in order to prevent the material entering guide cylinder 61, lower fixed surface at guide cylinder 61 is connected with striker ring 68, it is further, make the internal surface of striker ring 68 cup joint with the surface activity of mediation pole 6, reached and supported and install guide cylinder 61 through two backup pads 67, and prevent the effect of the inside of material entering guide cylinder 61 through striker ring 68.

As shown in fig. 1-7, in order to increase the dredging effect on the materials in the discharge hopper 4, an auxiliary component is provided, the auxiliary component comprises an auxiliary block 7 which is installed at the lower end of the dredging rod 6 and used for accelerating the loosening of the materials, in order to connect the auxiliary block 7 between the support rods 72, a hinge opening 71 is formed in one side surface of the auxiliary block 7 close to the dredging rod 6, the support rod 72 used for controlling the state of the auxiliary block 7 is movably hinged to the inner wall of the hinge opening 71, in order to control the state of the auxiliary block 7, the auxiliary component further comprises a squeezing disc 73, and the squeezing disc 73 is movably sleeved on the outer surface of the dredging rod 6.

Further, in order to drive piston ring 77 through the removal of extrusion disc 73 and remove, be connected with five connecting rods 74 that are the annular array and distribute at the last fixed surface of extrusion disc 73, in order to deposit hydraulic oil, set up the storage cavity 75 that the inner wall is the character cut in bas-relief structure at the inner wall of mounting disc 65, and the inner wall of storage cavity 75 is provided with hydraulic oil, and further, five sockets 76 with connecting rod 74 looks adaptation are seted up to the inner bottom wall of storage cavity 75, make the outer surface of five connecting rods 74 cup joint and extend to the inner wall of storage cavity 75 with the inside activity of five sockets 76 respectively.

In order to push the hydraulic oil in the storage chamber 75, piston rings 77 for pushing the hydraulic oil in the storage chamber 75 are fixedly connected to the top end surfaces of the five connecting rods 74, so that the outer surface of the piston ring 77 is movably sleeved with the inner wall of the material storage cavity 75, in order to drive the piston ring 77 to reset after the extrusion disc 73 loses extrusion force, five first springs 78 for driving the piston ring 77 to reset are fixedly connected to the upper surface of the piston ring 77, and the free ends of the five first springs 78 are fixedly connected with the inner top wall of the storage cavity 75, so that the piston ring 77 is driven to move in the storage cavity 75 by the movement of the five connecting rods 74 to extrude the hydraulic oil, and the effect of resetting the piston ring 77 through the driving of the first spring 78 achieves the effect of moving the connecting rod 74 in the sleeve joint 76 through the extrusion of the extrusion disc 73 and storing the hydraulic oil through the storage cavity 75.

In order to arrange hydraulic oil to second intercommunication mouth 711, the first intercommunication mouth 79 that communicates each other with first connector 66 is seted up to the bottom wall in the middle part of storage cavity 75, and set up the relief hole 710 that communicates each other with first intercommunication mouth 79 at the upper surface of dredge bar 6, in order to shunt hydraulic oil, set up five second intercommunication mouths 711 that are the annular array and be used for carrying out the reposition of redundant personnel to hydraulic oil at the lower extreme inner wall of relief hole 710, reached through first intercommunication mouth 79 with hydraulic oil row to the relief hole 710 in, and with the hydraulic oil row in the relief hole 710 to the effect in five second intercommunication mouths 711.

In order to control the movement of the support rod 72 in response to the inflow of the hydraulic oil, a bellows chamber 712 is opened in the inner wall of the second communication port 711, and the outer surface of the support rod 72 is movably sleeved with the inner wall of the second communication port 711, in order to make the support rod 72 better contact with the hydraulic oil, a piston disc 713 is fixed to one end surface of the support rod 72, and an outer surface of the piston disc 713 is movably fitted to an inner wall of the telescopic chamber 712, and further, in order to return the piston disc 713 without the piston disc 713 being compressed by hydraulic oil, a second spring 714 for returning the piston disc 713 is fixedly connected to one end of the telescopic chamber 712, and the free end of the second spring 714 is fixedly connected with the surface of one end of the piston disc 713, so that the effect that the support rod 72 is driven to slide in the second communication port 711 by the pushing of the piston disc 713 by the hydraulic oil, and the piston disc 713 is driven to reset by the second spring 714 is achieved.

In order to install the auxiliary block 7, five mounting grooves 715 for mounting the auxiliary block 7 are formed in the lower end surface of the dredging rod 6, the five auxiliary blocks 7 are mounted on the inner walls of the five mounting grooves 715 respectively through hinge pins, and the effect of mounting the auxiliary block 7 through the mounting grooves 715 is achieved.

The working principle is as follows: the material enters the conveying and heating component 2 from the lower hopper 4, the conveying and heating component 2 heats the material in the conveying process, the heated material is conveyed into the blow molding component 3 for blow molding, in the material discharging process, the two driving motors 54 drive the first hinged rods 51 to rotate, the two first hinged rods 51 move in a staggered mode, the second hinged rods 52 swing along with the rotation of the first hinged rods 51, the dredging device is driven to lift up and down in the lower hopper 4 through the matching of the dredging rod 6 and the guide cylinder 61 to loosen and dredge the material in the lower hopper 4, and in the lifting process of the dredging rod 6, the guide convex blocks 62 are matched with the spiral grooves 63 on the surface of the dredging rod 6, so that the dredging rod 6 rotates while lifting;

in order to ensure that the materials in the discharge hopper 4 are more effectively dredged, in the process that the dredging rod 6 moves downwards, the extrusion disc 73 is in contact with the upper surface of the guide cylinder 61, and the guide cylinder 61 cannot move, so that the extrusion disc 73 is extruded, the extrusion disc 73 drives the piston ring 77 to move in the storage cavity 75 through the connecting rod 74, hydraulic oil in the storage cavity 75 is extruded, and the hydraulic oil flows into the discharge hole 710 of the dredging rod 6 from the first connecting hole 79;

furthermore, the hydraulic oil extrudes the piston disc 713 in the telescopic cavity 712, so that the piston disc 713 moves in the telescopic cavity 712, the auxiliary block 7 deflects outwards through the hinge joint of the support rod 72 and the auxiliary block 7, and the auxiliary block 7 further loosens and extrudes the material, thereby ensuring that the material in the discharging hopper 4 is not stacked.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a full-automatic extrusion cavity blowing machine which characterized in that: the conveying and blow-molding device comprises a charging barrel (1), wherein a conveying heating component (2) for conveying materials is arranged on the inner wall of the charging barrel (1), a blow-molding component (3) for blow-molding the materials heated by the conveying heating component (2) is fixedly communicated with one end of the charging barrel (1), a discharging hopper (4) is fixedly communicated with the inner wall of the upper end of the charging barrel (1), and a dredging device for dredging the materials in the discharging hopper (4) is arranged right above the discharging hopper (4);

the dredging device comprises two symmetrically distributed mounting frames (5), a driving part, a main dredging part and an auxiliary part;

the driving part comprises a first hinged rod (51) and a second hinged rod (52) which drive the main dredging part to lift up and down to dredge materials in the blanking hopper (4), and the free ends of the two second hinged rods (52) are hinged with the upper end of the main dredging part;

the main dredging component comprises a dredging rod (6) and a guide cylinder (61), the inner wall of the lower end of the guide cylinder (61) is fixedly connected with a guide convex block (62), the outer surface of the dredging rod (6) is provided with a spiral groove (63) which is in sliding insertion connection with the outer surface of the guide convex block (62), and the guide convex block (62) is matched with the spiral groove (63) to drive the dredging rod (6) which is lifted up and down to rotate;

the auxiliary component comprises an auxiliary block (7) which is arranged at the lower end of the dredging rod (6) and used for accelerating the loosening of materials, a hinge joint (71) is arranged on the surface of one side, close to the dredging rod (6), of the auxiliary block (7), and a supporting rod (72) used for controlling the state of the auxiliary block (7) is movably hinged to the inner wall of the hinge joint (71).

2. The fully automatic extrusion blow molding machine according to claim 1, characterized in that: two mounting bracket (5) install respectively in the both sides surface of feed cylinder (1), and two first installing port (53), two have all been seted up to the relative surface of mounting bracket (5) upper end the equal fixed mounting of inner wall of first installing port (53) has driving motor (54).

3. The fully automatic extrusion blow molding machine according to claim 2, wherein: one end of each of the two first hinged rods (51) is fixedly sleeved on the surface of the main shaft of each of the two driving motors (54), and one end of each of the first hinged rods (51) is movably hinged with one end of each of the second hinged rods (52) through a pin shaft.

4. The fully automatic extrusion blow molding machine according to claim 1, characterized in that: the main part of dredging still includes spliced pole (64), two the free end of second articulated arm (52) all through the round pin axle respectively with the both sides surface activity of spliced pole (64) is articulated, the lower fixed surface of spliced pole (64) is connected with mounting disc (65), the lower surface of mounting disc (65) is seted up be used for right dredge pole (6) carry out the first interface (66) of installing, the upper end surface of dredge pole (6) pass through the bearing with the inner wall fixed connection of first interface (66).

5. The fully automatic extrusion blow molding machine according to claim 1, characterized in that: the upper end border department fixedly connected with of guide cylinder (61) is used for right two backup pad (67), two that guide cylinder (61) were installed backup pad (67) through the bolt fastening with the upper surface of lower hopper (4), the lower fixed surface of guide cylinder (61) is connected with and is kept off material ring (68), keep off the internal surface of material ring (68) with the surface activity of dredging pole (6) is cup jointed.

6. The fully automatic extrusion blow molding machine according to claim 4, wherein: the auxiliary component still includes stripper plate (73), stripper plate (73) activity cup joint in dredge the surface of pole (6), the last fixed surface of stripper plate (73) is connected with five connecting rods (74) that are the annular array and distribute, storage cavity (75) that the inner wall is character cut in bas-relief shape structure are seted up to the inner wall of mounting disc (65), just the inner wall of storage cavity (75) is provided with hydraulic oil, the inner bottom wall of storage cavity (75) seted up five with socket (76) of connecting rod (74) looks adaptation, five the surface of connecting rod (74) respectively with five the inside activity of socket (76) cup joints and extends to the inner wall of storage cavity (75).

7. The fully automatic extrusion blow molding machine according to claim 6, characterized in that: five the equal fixedly connected with in top surface of connecting rod (74) is used for right hydraulic oil in storage cavity (75) carries out the piston ring (77) that promotes, the surface of piston ring (77) with the inner wall activity of storage cavity (75) is cup jointed, the last fixed surface of piston ring (77) is connected with five and is used for driving piston ring (77) carry out the first spring (78) that resets, and five the free end of first spring (78) all with the interior roof fixed connection of storage cavity (75).

8. The fully automatic extrusion blow molding machine according to claim 6, characterized in that: diapire in the middle part of storage cavity (75) seted up with first opening (79) that first connection mouth (66) communicate each other, dredge the upper surface of pole (6) seted up with relief hole (710) that first opening (79) communicate each other, the lower extreme inner wall of relief hole (710) seted up five be annular array be used for right hydraulic oil carries out second intercommunication mouth (711) of reposition of redundant personnel.

9. The fully automatic extrusion blow molding machine according to claim 8, wherein: flexible chamber (712) has been seted up to the inner wall of second intercommunication mouth (711), just the surface of bracing piece (72) with the inner wall activity of second intercommunication mouth (711) is cup jointed, the one end fixed surface of bracing piece (72) has piston dish (713), just the surface of piston dish (713) with the inner wall activity of flexible chamber (712) is cup jointed, the one end fixedly connected with of flexible chamber (712) is used for driving second spring (714) that piston dish (713) reset, just the free end of second spring (714) with the one end fixed surface of piston dish (713) is connected.

10. The fully automatic extrusion blow molding machine according to claim 1, characterized in that: five mounting grooves (715) used for mounting the auxiliary blocks (7) are formed in the lower end surface of the dredging rod (6), and the five auxiliary blocks (7) are mounted on the inner walls of the five mounting grooves (715) through pin shafts respectively.