CN217895136U

CN217895136U - Multi-station continuous production blowing, filling and sealing equipment

Info

Publication number: CN217895136U
Application number: CN202221377925.4U
Authority: CN
Inventors: 陈衡山; 麦芝仔; 许海文
Original assignee: Truking Technology Ltd
Current assignee: Truking Technology Ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-25
Anticipated expiration: 2032-06-02

Abstract

The utility model discloses a filling and sealing equipment is blown in multistation continuous production, the extruding die head that includes the extruder, the extrusion die head and at least two blowing embedment stations of arranging along the axial direction of extruder screw rod of being connected with the extruder, blow the embedment station including locating the idiosome export in the extrusion die head, wear to locate the needle of irritating in the extrusion die head, locate the bottle head mould of idiosome export below, and be located the bottle body mould and the centre gripping subassembly of bottle head mould below, each centre gripping subassembly is located on the first elevating system down, each bottle head mould and bottle body mould are located on the lift platform, lift platform locates on the second elevating system and has set elevating guide, elevating guide is equipped with two sets ofly and locates lift platform's both sides along the axial direction branch of extruder screw rod, the lift platform below is equipped with discharging channel, discharging channel's discharging direction is perpendicular with the axial direction of extruder screw rod. The utility model has the advantages of simple structure, easy operation, low equipment cost and flexible product type replacement, and simultaneously, the productivity can be improved.

Description

Multi-station continuous production blowing, filling and sealing equipment

Technical Field

The utility model relates to a food, pharmaceutical packaging equipment technical field especially relate to a embedment equipment is blown in multistation continuous production.

Background

Traditional filling and sealing all-in-one that blows is intermittent type formula equipment, and production technology is including extruding, station such as shaping filling and die-cut, and forming die takes to cut off at the station of extruding and extrudes the idiosome, then forming die shifts to the filling station and accomplishes shaping, filling and sealing process, shifts to die-cut station at last and separates product and waste material, and production efficiency is on the low side, and the transfer of idiosome is gone on under open state in the production process simultaneously, and the external environment has the pollution risk to the filling liquid. The continuous type blows embedment all-in-one and can realize extruding, shaping, filling, seal, the closed aseptic production that the drawing of patterns targets in place one step, continuous type on the present market blows embedment all-in-one and is rotation type multimode all-in-one or simplex position all-in-one mostly, rotation type multimode all-in-one productivity is high, but the structure is complicated, the debugging operation difficulty, equipment cost is high and the product type is changed inflexibly, and simplex position all-in-one simple structure, easy to operate, equipment cost is low and can change the product type in a flexible way, but the productivity is lower, need not to satisfy the demand.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's not enough, provide a simple structure, easy to operate, equipment cost low and can change the product type in a flexible way, can improve the multistation continuous production of productivity simultaneously and blow embedment equipment.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a multistation continuous production blows embedment equipment, includes extruder, the extrusion die head of being connected with the extruder and at least two blow embedment stations of arranging along the axial direction of extruder screw rod, blow embedment station including locating blank export in the extrusion die head, wear to locate the needle of irritating in the extrusion die head, locate the bottle head mould of blank export below, and be located bottle head mould below and centre gripping subassembly down, each centre gripping subassembly is located on the first elevating system down, each bottle head mould with the bottle body mould is located on the lift platform, the lift platform is located on the second elevating system and is equipped with lifting guide, lifting guide is equipped with two sets ofly and follows the axial direction of extruder screw rod branch locates the both sides of lift platform, the lift platform below is equipped with discharging channel, discharging channel's discharging direction is perpendicular with the axial direction of extruder screw rod.

As a further improvement of the above technical solution: the embryo export includes the first embryo export of oval shape and the export of second embryo, first embryo export with the bilateral symmetry of second embryo export is provided with the runner that flow equalizes, the runner that flow equalizes include one end with the first runner that flow equalizes of the discharge gate intercommunication of extruder and the second runner that flow equalizes that is used for communicateing first embryo export middle part and second embryo export middle part, the first runner other end that flow equalizes with second runner middle part intercommunication that flow equalizes, second runner both ends that flow equalize are equipped with a set of velocity of flow regulating assembly respectively.

As a further improvement of the technical scheme: the multi-station continuous production blow-filling and sealing equipment further comprises a gas supply part for supplying clean gas to the area where the extrusion die head is located.

As a further improvement of the above technical solution: the lower clamping assembly comprises a pair of clamping plates, a bottle body positioning groove is formed in the inner side of each clamping plate, and a bottle head positioning groove is formed below each bottle body positioning groove.

As a further improvement of the above technical solution: and the clamping plate is provided with cooling channels at the side edges of the bottle body positioning groove and the bottle head positioning groove.

As a further improvement of the technical scheme: the splint are connected with a first telescopic driving piece and a first guide rod, and the first guide rod penetrates through the first guide seat.

As a further improvement of the above technical solution: the bottle head mould top still is equipped with the centre gripping subassembly, it locates to go up the centre gripping subassembly on the second elevating system, it includes a pair of wedge clamp splice to go up the centre gripping subassembly, the wedge clamp splice is connected with the flexible driving piece of second through the second guide bar, the second guide bar is worn to locate in the second guide holder.

As a further improvement of the above technical solution: each group of the lifting guide rails comprises at least two lifting guide rails and is arranged along the mold opening and closing direction of the bottle head mold.

As a further improvement of the above technical solution: the filling needle comprises a filling needle body and a filling needle seat used for installing the filling needle body, a cooling sleeve is arranged between the filling needle body and the filling needle seat, and a through hole is formed in the side wall of the lower end of the cooling sleeve.

As a further improvement of the above technical solution: the first lifting mechanism comprises a first servo motor, a first screw rod connected with the first servo motor and a first nut seat arranged on the first screw rod, the lower clamping assembly is connected with the first nut seat, the second lifting mechanism comprises a second servo motor, a second screw rod connected with the second servo motor and a second nut seat arranged on the second screw rod, and the lifting platform is connected with the second nut seat.

Compared with the prior art, the utility model has the advantages of: the utility model discloses a multistation continuous production blows embedment equipment, axial direction along the extruder screw rod is equipped with two at least embedment stations that blow, each embedment station that blows is shaping in step, the filling, seal and ejection of compact process, make equipment both have simplex position all-in-one simple structure, low cost, the characteristics of easy operation, the productivity is n times (n is the quantity of blowing the embedment station) of simplex position all-in-one basically simultaneously, a plurality of embedment stations that blow are arranged along the axial direction of extruder screw rod, equipment has only increased axial direction's size or length direction's size, the bottle head mould, the size of body mould division compound die direction keeps unchangeable or width direction's size keeps unchangeable, be favorable to the overall arrangement of equipment in the factory building, the bottle head mould of each station, the body mould is located on same lift platform, lift platform all is equipped with lifting guide along extruder screw rod axial direction's both sides, make the holistic atress equilibrium of lift platform, the stationarity of lift process is good, the motion precision is high, be favorable to making the bottle head mould, the body mould keeps the steady operation, and then guarantee product quality.

Drawings

Fig. 1 is the three-dimensional structure schematic diagram of the continuous production blowing, filling and sealing device of the utility model.

Fig. 2 is a partially enlarged view of fig. 1.

Fig. 3 is a schematic structural view of the extrusion die head of the present invention.

Fig. 4 is a schematic top view of an extrusion die according to the present invention.

Fig. 5 is a schematic front view of the upper clamping assembly and the lower clamping assembly of the present invention.

Fig. 6 is a schematic view of the structure of the irrigation needle of the present invention.

Fig. 7 is a schematic perspective view of the first lifting mechanism and the second lifting mechanism of the present invention.

Fig. 8 is a schematic diagram of the working process of the continuous production blow filling and sealing equipment of the present invention.

The reference numerals in the figures denote: 1. an extruder; 2. an extrusion die head; 21. a blank outlet; 211. a first embryo outlet; 212. a second embryo outlet; 22. a flow rate regulating assembly; 23. a first flow equalizing channel; 24. a second flow equalizing channel; 3. filling a needle; 31. a filling needle body; 32. filling a needle seat; 33. cooling the sleeve; 34. a through hole; 4. a bottle head mold; 5. a bottle body mold; 6. a lower clamping assembly; 61. a splint; 62. a bottle body positioning groove; 63. a bottle head positioning groove; 64. a cooling channel; 65. a first telescoping drive member; 66. a first guide bar; 67. a first guide seat; 7. an upper clamping assembly; 71. a wedge-shaped clamping block; 72. a second guide bar; 73. a second telescoping drive member; 74. a second guide seat; 8. a first lifting mechanism; 81. a first servo motor; 82. a first lead screw; 83. a first nut seat; 9. a second lifting mechanism; 91. a second servo motor; 92. a second lead screw; 93. a second nut seat; 94. a lifting platform; 95. a lifting guide rail; 10. a blank body; 20. a bottle body; 30. a discharge passage.

Detailed Description

The invention is described in further detail below with reference to the drawings and specific examples.

Fig. 1 to 8 show an embodiment of the multi-station continuous production blowing, filling and sealing device of the present invention, the multi-station continuous production blowing, sealing and sealing device of the present embodiment includes an extruder 1, an extrusion die 2 connected to the extruder 1, and two blowing, filling and sealing stations arranged along an axial direction (as shown by an arrow at an upper portion in fig. 1) of a screw of the extruder 1 (of course, in other embodiments, the number of the blowing, sealing and sealing stations may be further extended), the blowing, sealing and sealing stations include a blank outlet 21 arranged in the extrusion die 2, a filling needle 3 arranged in the extrusion die 2 in a penetrating manner, a bottle head mold 4 arranged below the blank outlet 21, and a bottle body mold 5 and a lower clamping assembly 6 arranged below the bottle head mold 4, each lower clamping assembly 6 is arranged on a first lifting mechanism 8, each bottle head mold 4 and bottle body mold 5 are arranged on a lifting platform 94, the lifting platform 94 is arranged on a second lifting mechanism 9 and is provided with a lifting guide rail 95, the lifting guide rail 95 is provided with two sets and is arranged on two sides of the lifting platform 94 along the axial direction of the screw of the extruder 1, a discharge channel 30 is arranged below the lifting platform 94, and the discharge channel 30 is arranged in a vertical direction (as shown by an arrow in fig. 1).

This multi-station continuous production blowing encapsulation equipment, be equipped with two blowing encapsulation stations along the axial direction of extruder screw rod, each blows encapsulation station and carries out the shaping in step, the filling, seal and ejection of compact process, make equipment both have simplex position all-in-one simple structure, low cost, the characteristics of easy operation, the productivity is 2 times of simplex position all-in-one basically simultaneously, 2 blow encapsulation stations are arranged along the axial direction of extruder 1 screw rod, equipment has only increased the size of axial direction or length direction's size, bottle head mould 4, the size of bottle body mould 5 mould direction of opening and shutting keeps unchangeable or width direction's size keeps unchangeable, be favorable to the overall arrangement of equipment in the factory building, the bottle head mould 4 of each station, bottle body mould 5 locates on same lift platform 94, lift platform 94 all is equipped with lift guide 95 along the both sides of extruder 1 screw rod axial direction, make lift platform 94 holistic atress equilibrium, the stationarity of lift process is good, the motion precision is high, be favorable to making bottle head mould 4, bottle body mould 5 keep the steady operation, and then guarantee product quality.

Further, in this embodiment, the blank outlet 21 includes a first blank outlet 211 and a second blank outlet 212 in a shape of a kidney-round, flow equalizing channels are symmetrically disposed on two sides of the first blank outlet 211 and the second blank outlet 212, each flow equalizing channel includes a first flow equalizing channel 23 having one end communicated with the discharge port of the extruder 1 and a second flow equalizing channel 24 for communicating the middle of the first blank outlet 211 and the middle of the second blank outlet 212, the other end of the first flow equalizing channel 23 is communicated with the middle of the second flow equalizing channel 24, and two ends of the second flow equalizing channel 24 are respectively provided with a set of flow rate adjusting components 22 (for example, various flow rate adjusting valves). When the plastic flow extruding die head is used, plastic fluid extruded from the discharge port of the extruder 1 flows to the middle of the second flow equalizing flow channel 24 through the first flow equalizing flow channels 23 on the two sides, then flows to the middle of the side edges of the first blank outlet 211 and the second blank outlet 212 through the second flow equalizing flow channel 24 to the two ends, and finally fills the whole first blank outlet 211 and the whole second blank outlet 212, the flow rate adjusting component 22 adjusts the flow rate at the two ends of the second flow equalizing flow channel 24, so that the plastic fluid flowing to the first blank outlet 211 and the second blank outlet 212 is uniform and consistent, meanwhile, the plastic fluid flowing to the two sides of the first blank outlet 211 is uniform and consistent, the plastic fluid flowing to the two sides of the second blank outlet 212 is uniform and consistent, and cannot be influenced by the distance from the discharge port of the extruder 1, and the blanks 10 extruded by the extruding die head 2 are uniform and compact and reasonable in structure.

Further, in the present embodiment, the multi-station continuous production blow filling and sealing apparatus further includes a gas supply component (not shown in the figure, such as a blower, a gas supply pipeline, etc.) for supplying clean gas to the area where the extrusion die head 2 is located. The area where the extrusion die head 2 is located is provided with clean oxygen-free gas (such as nitrogen or inert gas) through the gas supply part, so that the sterile and oxygen-free clean environment in the forming, filling and sealing processes is ensured.

Further, in this embodiment, the lower clamping assembly 6 includes a pair of clamping plates 61, a body positioning groove 62 is formed on the inner side of the clamping plate 61, and a head positioning groove 63 is formed below the body positioning groove 62. Lower centre gripping subassembly 6 under the drive of first elevating system 8, can rise to between body mould 5 (need after 5 die sinking of body mould) the body of fixing top bottle 20 and the bottle head of below bottle 20 of centre gripping simultaneously, leads to the idiosome 10 to rock when avoiding bottle head mould 4, body mould 5 to open and shut the mould effectively, is favorable to guaranteeing the uniformity of the bottle 20 that the shaping goes out.

Furthermore, in the present embodiment, the clamp plate 61 is provided with a cooling channel 64 at the side of the body positioning groove 62 and the head positioning groove 63. The cooling liquid introduced into the internal cooling channel 64 can cool the molded bottle body 20, so as to further ensure the consistency of the molded bottle body 20.

Further, in the present embodiment, the clamp plate 61 is connected to a first telescopic driving member 65 (e.g. an air cylinder, an electric cylinder, a screw nut pair, etc.) and a first guiding rod 66, and the first guiding rod 66 is inserted into the first guiding seat 67. Through first guide bar 66 and the cooperation of first guide holder 67, provide the guide effect for the action of opening and shutting of splint 61, be favorable to guaranteeing that the motion process is smooth and easy and the motion precision.

Furthermore, in this embodiment, an upper clamping assembly 7 is further disposed above the bottle head mold 4, the upper clamping assembly 7 is disposed on the second lifting mechanism 9, the upper clamping assembly 7 includes a pair of wedge-shaped clamping blocks 71, the wedge-shaped clamping blocks 71 are connected with a second telescopic driving member 73 (such as an air cylinder, an electric cylinder, a screw-nut pair, etc.) through a second guiding rod 72, and the second guiding rod 72 is disposed in a second guiding seat 74 in a penetrating manner. Go up centre gripping subassembly 7 and the cooperation of centre gripping subassembly 6 down, can guarantee that idiosome 10 has at least one to be fixed by the centre gripping all the time, can avoid the hidden danger that idiosome 10 rocked when bottle head mould 4, body mould 5 open and shut mould effectively in whole production process, further promoted the reliability of equipment. The upper clamping assembly 7 adopts the wedge-shaped clamping block 71, the mechanical strength is high, the blank 10 can be conveniently clamped by the thin side, the material waste is reduced, the second guide rod 72 can be conveniently connected by the thick side, and the opening and closing actions of the wedge-shaped clamping block 71 are guided by the cooperation of the second guide rod 72 and the second guide seat 74, so that the smooth and accurate movement process and the movement precision can be ensured.

In this embodiment, each set of lifting guide rails 95 includes two lifting guide rails 95 and is arranged along the mold opening and closing direction of the bottle head mold 4. The lifting platform 94 is provided with two lifting guide rails 95 at the same side and is arranged along the mold opening and closing direction of the bottle head mold 4, so that the lifting platform 94 is totally guided by the lifting guide rails 95 at four positions, and the overall stress balance of the lifting platform 94 and the stability of the lifting process are further improved.

Further, in the present embodiment, the filling needle 3 includes a filling needle body 31 and a filling needle seat 32 for installing the filling needle body 31, a cooling sleeve 33 is disposed between the filling needle body 31 and the filling needle seat 32, and a through hole 34 is disposed on a sidewall of a lower end of the cooling sleeve 33. The cooling liquid can be introduced into the cooling sleeve 33, flows downwards and then flows out of the through hole 34, and finally leaves the filling needle seat 32 from the gap between the cooling sleeve 33 and the filling needle seat 32, so that the liquid medicine in the filling needle body 31 can be insulated in the flowing process, and the adverse effect of the high-temperature blank 10 on the liquid medicine is avoided.

In a preferred embodiment, the first lifting mechanism 8 includes a first servo motor 81, a first lead screw 82 connected to the first servo motor 81, and a first nut holder 83 provided on the first lead screw 82, the lower clamping assembly 6 is connected to the first nut holder 83, the second lifting mechanism 9 includes a second servo motor 91, a second lead screw 92 connected to the second servo motor 91, and a second nut holder 93 provided on the second lead screw 92, and the lifting platform 94 is connected to the second nut holder 93. Taking the first lifting mechanism 8 as an example for explanation, when in use, the first servo motor 81 drives the first screw rod 82 to rotate, the first nut seat 83 moves up and down on the first screw rod 82, and the lower clamping assembly 6 synchronously lifts and lowers with the first nut seat 83, so that the whole structure is simple and reliable, and the movement precision is high. Of course, in other embodiments, the first lifting mechanism 8 may take other forms. The second lifting mechanism 9 has a structure substantially the same as that of the first lifting mechanism 8, the second nut seat 93 moves up and down on the second lead screw 92, and the lifting platform 94, the bottle head mold 4, the bottle body mold 5 and the like are lifted and lowered along with the second nut seat 93.

The utility model discloses multistation continuous production blows embedment equipment's application method's concrete step as follows:

s1, extrusion: the extruder 1 converts the plastic raw material into plastic fluid, and the extrusion die head 2 extrudes the plastic fluid into a blank 10, specifically referring to fig. 7, the cross section of the blank 10 in this embodiment is a kidney-shaped closed structure;

s2, bottom sealing of the blank 10: the first lifting mechanism 8 drives the lower clamping component 6 to ascend to between the bottle body molds 5 (at this time, the bottle body molds 5 are not closed yet), the lower clamping component 6 clamps the blank 10, the first lifting mechanism 8 drives the lower clamping component 6 to descend to the initial position synchronously along with the blank 10 (in fig. 8a, P0 is the initial position of the lower clamping component 6, P0' is the initial position and also the highest position of the bottle head mold 4, and in fig. 8b, P1 is the position where the lower clamping component 6 ascends into the bottle body molds 5 and also the highest position of the lower clamping component 6), as shown in fig. 8a to 8c specifically;

s3, forming the bottle body: the bottle body mold 5 is closed and descends synchronously with the blank 10 to form a bottle body, the filling needle 3 descends to a set position for filling, and the bottle body mold is reset after filling is finished as shown in fig. 8 d;

s4, forming the bottle head: the bottle head mold 4 is closed to mold a bottle head, the first lifting mechanism 8 drives the lower clamping component 6, meanwhile, the second lifting mechanism 9 drives the bottle head mold 4 and the bottle body mold 5 to synchronously descend to a set position along with the blank 10, as shown in fig. 8e to 8g, in fig. 8g, the bottle head mold 4 is located at a position P1', the lower clamping component 6 is located at a position P2, and both are the lowest positions;

s5, clamping the blank 10: opening a mold for a bottle body mold 5, driving a lower clamping assembly 6 to ascend to between the bottle body molds 5 by a first lifting mechanism 8, clamping a molded bottle body 20 by the lower clamping assembly 6, and opening a mold for a bottle head mold 4, specifically as shown in fig. 8g to 8j, it should be noted that for a molded first row of bottle bodies 20, the lower clamping assembly 6 only clamps the first row of bottle bodies 20, and in a subsequent process, the lower clamping assembly 6 simultaneously clamps the bottle bodies of the upper row of bottle bodies 20 and the bottle heads of the lower row of bottle bodies 20, or simultaneously clamps the bottle heads of the upper circulating bottle body 20 and the bottle bodies of the circulating bottle bodies 20;

s6, resetting: the second lifting mechanism 9 drives the bottle head mold 4 and the bottle body mold 5 to rise to the initial positions, and the first lifting mechanism 8 drives the lower clamping component 6 to move to the initial positions, as shown in fig. 8k to 8l, the device in fig. 8l and fig. 8d is in the same state;

and S7, circularly performing the steps S3 to S6 until the production or the fault shutdown is finished. Along with the circulation of the processes of extruding, forming, filling and sealing, the material carried by the bottle body 20 gradually moves downwards and falls on the discharge passage 30, and is output through the discharge passage 30.

Preferably, the maximum distance between the lower clamping assembly 6 and the bottle body mold 5 when the lower clamping assembly 6 is located below the bottle body mold 5 is greater than the length of the bottle head, specifically, as shown in fig. 8c and 8k, sufficient space can be reserved for the lower clamping assembly 6 to simultaneously clamp the bottle bodies of the upper row of bottle bodies 20 and the bottle heads of the lower row of bottle bodies 20, in step S3, the lower clamping assembly 6 is opened while the bottle body mold 5 forms the bottle body, so as to prepare for next clamping, and in other embodiments, the lower clamping assembly can also be opened in the descending process of step S4; in the step S5, the lower clamping assembly 6 is lifted to the initial position, and in the step S6, the moving distance of the lower clamping assembly 6 is zero, which is beneficial to simplifying the movement process of the lower clamping assembly 6 and improving the production efficiency.

Further preferably, in step S4, after the bottle head mold 4 is closed to mold a bottle head, the upper clamping assembly 7 clamps the blank 10, as shown in fig. 8f, and then the second lifting mechanism 9 drives the bottle head mold 4, the bottle body mold 5 and the upper clamping assembly 7 to synchronously descend to the set position along with the blank 10; in step S5, after the mold of the bottle head mold 4 is opened, the upper clamping assembly 7 is opened, as shown in fig. 8i and 8 j; in step S6, the second lifting mechanism 9 drives the bottle head mold 4, the bottle body mold 5 and the upper clamping assembly 7 to ascend to the initial position, as shown in fig. 8 k.

Through last centre gripping subassembly 7 and the cooperation of centre gripping subassembly 6 down, can guarantee that idiosome 10 has at least one to be held fixedly all the time, can avoid leading to the hidden danger that idiosome 10 rocked when bottle head mould 4, body mould 5 open and shut mould effectively in whole production process, further guaranteed the homogeneity of product.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. The technical solution of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention, using the technical content disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a filling and sealing equipment is blown in multistation continuous production which characterized in that: the device comprises an extruder (1), an extrusion die head (2) connected with the extruder (1) and at least two blowing and encapsulating stations arranged along the axial direction of a screw rod of the extruder (1), wherein the blowing and encapsulating stations comprise a blank outlet (21) arranged in the extrusion die head (2), a filling needle (3) arranged in the extrusion die head (2) in a penetrating manner, a bottle head die (4) arranged below the blank outlet (21), a bottle body die (5) and a lower clamping component (6) positioned below the bottle head die (4), the lower clamping component (6) is arranged on a first lifting mechanism (8), the bottle head die (4) and the bottle body die (5) are arranged on a lifting platform (94), the lifting platform (94) is arranged on a second lifting mechanism (9) and is provided with lifting guide rails (95), the lifting guide rails (95) are provided with two groups and are arranged on two sides of the lifting platform (94) along the axial direction of the screw rod of the extruder (1), a discharge channel (30) is arranged below the lifting platform (94), and the discharge channel (1) is perpendicular to the axial direction of the screw rod of the extruder (1).

2. The multi-station continuous production blow-filling and sealing equipment according to claim 1, characterized in that: the utility model discloses a blank export, including the first blank export (211) of oval shape and second blank export (212), the bilateral symmetry of first blank export (211) and second blank export (212) is provided with the runner that flow equalizes, the runner that flow equalizes include one end with first flow equalizing runner (23) of the discharge gate intercommunication of extruder (1) and be used for communicateing second flow equalizing runner (24) in first blank export (211) middle part and second blank export (212) middle part, first flow equalizing runner (23) other end with second flow equalizing runner (24) middle part intercommunication, second flow equalizing runner (24) both ends are equipped with a set of velocity of flow regulating assembly (22) respectively.

3. The multi-station continuous production blow-filling and sealing equipment according to claim 1, characterized in that: and a gas supply part for supplying clean gas to the area where the extrusion die head (2) is positioned.

4. The multi-station continuous production blow-filling and sealing equipment according to claim 1, characterized in that: the lower clamping assembly (6) comprises a pair of clamping plates (61), a bottle body positioning groove (62) is formed in the inner side of each clamping plate (61), and a bottle head positioning groove (63) is formed in the lower portion of each bottle body positioning groove (62).

5. The multi-station continuous production blow-filling and sealing equipment according to claim 4, wherein: and the side edges of the clamping plate (61) at the bottle body positioning groove (62) and the bottle head positioning groove (63) are provided with cooling channels (64).

6. The multi-station continuous production blow-filling and sealing equipment according to claim 4, characterized in that: splint (61) are connected with first flexible driving piece (65) and first guide bar (66), first guide bar (66) wear to locate in first guide holder (67).

7. The multi-station continuous production blow-filling and sealing equipment according to claim 1, characterized in that: bottle head mould (4) top still is equipped with centre gripping subassembly (7), it locates to go up centre gripping subassembly (7) on second elevating system (9), it includes a pair of wedge clamp splice (71) to go up centre gripping subassembly (7), wedge clamp splice (71) are connected with second flexible driving piece (73) through second guide bar (72), second guide bar (72) are worn to locate in second guide holder (74).

8. The multi-station continuous production blow-filling and sealing equipment according to claim 1, characterized in that: each group of lifting guide rails (95) comprises at least two lifting guide rails (95) and is arranged along the mold opening and closing direction of the bottle head mold (4).

9. The multi-station continuous production blow-filling and sealing equipment according to any one of claims 1 to 8, characterized in that: the filling needle (3) comprises a filling needle body (31) and a filling needle seat (32) used for installing the filling needle body (31), a cooling sleeve (33) is arranged between the filling needle body (31) and the filling needle seat (32), and a through hole (34) is formed in the side wall of the lower end of the cooling sleeve (33).

10. The multi-station continuous production blow-filling and sealing apparatus according to any one of claims 1 to 8, wherein: the first lifting mechanism (8) comprises a first servo motor (81), a first screw rod (82) connected with the first servo motor (81) and a first nut seat (83) arranged on the first screw rod (82), the lower clamping assembly (6) is connected with the first nut seat (83), the second lifting mechanism (9) comprises a second servo motor (91), a second screw rod (92) connected with the second servo motor (91) and a second nut seat (93) arranged on the second screw rod (92), and the lifting platform (94) is connected with the second nut seat (93).