CN211917673U

CN211917673U - Plastic hollow body blow molding system

Info

Publication number: CN211917673U
Application number: CN202020463648.3U
Authority: CN
Inventors: 郭荣
Original assignee: Jiangsu Xiyangyang Science Equipment Co ltd
Current assignee: Jiangsu Xiyangyang Science Equipment Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-11-13
Anticipated expiration: 2030-04-02

Abstract

The utility model relates to a plastic hollow body blow molding system, which comprises a supporting frame, wherein two sides of the supporting frame are fixedly connected with side plates, one side of each side plate is fixedly provided with a first air cylinder, one side of each first air cylinder is fixedly connected with a mold through a piston rod, the mold is internally provided with a mold cavity with an opening at the top, the inner wall of the mold cavity is abutted with a sliding plate, the interior of the mold is positioned below the mold cavity, a cavity is arranged at the lower part of the mold cavity, a second air cylinder is arranged at the bottom part of the cavity, the top part of the second air cylinder is fixedly welded with the bottom part of the sliding plate through the piston rod, a sliding block is fixedly welded on the periphery of the bottom part of the mold, the top part of the supporting frame is provided with two sliding grooves, the bottom part, the utility model discloses can be with the whole inflation shaping of shaping main part plastics, whole process is very convenient and easily control.

Description

Plastic hollow body blow molding system

Technical Field

The utility model relates to a plastics hollow body blow molding system belongs to blow molding equipment field.

Background

Blow molding is classified into injection blow molding, extrusion blow molding and stretch blow molding, and injection blow molding is performed by forming a plastic parison with a bottom by injection molding and then transferring the parison into a blow mold. In the extrusion blow molding forming process, the tube blank is directly extruded by an extruder and is hung in a pre-divided cavity arranged right below a machine head; when the drooping parison reaches the specified length, closing the mold immediately, cutting off the tube blank by the notch of the mold, and introducing compressed air from the small hole of the parting surface of the mold to blow the parison to be tightly adhered to the mold wall for molding; pressure maintaining, cooling and shaping the product in a cavity, opening the mold and taking out the product, and the product is used for manufacturing various containers because the product can be molded under low pressure, the mold cost is low, and the strength and rigidity of unit weight can be improved because the molded product is light. The process of producing hollow plastic container, such as mineral water bottle, oil bottle, cosmetics bottle, etc. includes the first injection molding of plastic material into bottle tube, the subsequent heating of the bottle tube with a heater and the subsequent blow molding of the bottle tube with a plastic blow molding machine.

The existing plastic hollow body injection molding equipment has high labor intensity, low production efficiency and inconvenient taking out of a blow molding product.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model overcomes current defect, provides a plastics hollow body blow molding system.

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

a blow molding system for plastic hollow bodies comprises a support frame, side plates are fixedly connected to two sides of the support frame, a first air cylinder is fixedly mounted on one side of each side plate, a mold is fixedly connected to one side of the first air cylinder through a piston rod, a mold cavity with an open top is arranged in the mold, a sliding plate is abutted to the inner wall of the mold cavity, a cavity is arranged below the mold cavity and inside the mold, a second air cylinder is mounted at the bottom in the cavity, the top of the second air cylinder is fixedly welded to the bottom of the sliding plate through the piston rod, a sliding block is fixedly welded to the periphery of the bottom of the mold, two sliding grooves are formed in the top of the support frame, the bottom of the sliding block is embedded in the sliding grooves and is in sliding connection with the sliding grooves, a transverse plate is fixedly arranged at the bottom of one, be equipped with extruder and blowing machine on the roof, blowing machine is including installing the air pump on the roof, the air pump bottom is through giving vent to anger hose connection blowing head, the third cylinder is installed to the roof bottom, piston rod fixedly connected with mounting panel is passed through to third cylinder bottom, the mounting panel bottom is equipped with the cardboard, the blowing head is fixed to be worn to locate the center department of mounting panel and cardboard, the die cavity top be equipped with the same draw-in groove of cardboard size.

Furthermore, the bottom of the top plate is fixedly connected with an L-shaped limiting rod, the mounting plate is arranged on the outer wall of the L-shaped limiting rod in a sliding and nesting mode, the distance between the L-shaped limiting rod and the clamping plate is equal to the outer diameter of the clamping groove, and a sealing gasket is arranged at the top of the clamping groove.

Further, a through hole is formed in the die below the cavity in a penetrating mode.

Further, there is a spiral cooling pipe on one side of the cooling water tank through a water inlet pipe, the spiral cooling pipe is arranged in the die, the other end of the spiral cooling pipe is connected with a water outlet pipe, and the end part of the water outlet pipe is communicated with the top of the cooling water tank.

Furthermore, a water pump is arranged on the water inlet pipe, and the spiral cooling pipe is arranged on the outer side of the mold cavity in a surrounding mode.

Further, the outer side of the sliding plate is connected with the inner wall of the die cavity in an abutting mode through a rubber ring.

The utility model discloses beneficial effect:

1. the utility model discloses a set up extruder and blowing machine, and set up portable adjusting position's mould and blowing machine, through PLC controller control, the extruder is extruded the plastic and is entered into the die cavity, when extruding to set for the volume after, uses first cylinder to promote the mould and removes, contacts and stop moving with L shape restriction lever until the mould outside.

2. The utility model discloses a set up the cardboard and cooperate with the draw-in groove, because the distance between L shape restriction pole and the cardboard equals the external diameter of draw-in groove, drive the mounting panel downstream through the third cylinder this moment, until the cardboard card on the draw-in groove to be equipped with seal ring's cooperation through the draw-in groove top, seal the die cavity, the air pump insufflates the air current in to the die cavity and makes the shaping main part plastics in the die cavity under the effect of external pressure, thereby shaping main part plastics is whole inflation shaping and shifts up convenient ejecting with shaping main part plastics through second cylinder drive sliding plate, the utility model discloses make things convenient for the drawing of patterns, and alleviateed the human labor.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a front view of the present invention;

fig. 2 is a partial plan view of the support frame of the present invention;

FIG. 3 is an internal structure view of the mold of the present invention;

fig. 4 is a structural view of the spiral cooling pipe of the present invention.

Reference numbers in the figures: 1. a support frame; 2. a first cylinder; 3. a mold; 4. a mold cavity; 5. a sliding plate; 6. a cavity; 7. a second cylinder; 8. a piston rod; 9. a slider; 10. a chute; 11. a cooling water tank; 12. a side plate; 13. a top plate; 14. an extruder; 15. a blow molding machine; 16. an air pump; 17. an air outlet hose; 18. a blow molding head; 19. a third cylinder; 20. mounting a plate; 21. an L-shaped restraining bar; 22. a through hole; 23. a water inlet pipe; 24. a spiral cooling tube; 25. a water outlet pipe; 26. a water pump; 27. clamping a plate; 28. a card slot; 29. a transverse plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a blow molding system for plastic hollow bodies comprises a support frame 1, side plates 12 are fixedly connected to two sides of the support frame 1, a first air cylinder 2 is fixedly mounted on one side of each side plate 12, a mold 3 is fixedly connected to one side of each first air cylinder 2 through a piston rod, a mold cavity 4 with an opening at the top is arranged in each mold 3, a sliding plate 5 is abutted to the inner wall of each mold cavity 4, a cavity 6 is arranged below each mold cavity 4 in each mold 3, a second air cylinder 7 is mounted at the bottom in each cavity 6, the top of each second air cylinder 7 is fixedly welded to the bottom of each sliding plate 5 through a piston rod 8, sliding blocks 9 are fixedly welded to the periphery of the bottom of each mold 3, two sliding grooves 10 are arranged at the top of the support frame 1, the bottoms of the sliding blocks 9 are embedded in the sliding grooves 10 and are in sliding connection with the sliding blocks, be equipped with extruder 14 and blowing machine 15 on roof 13, blowing machine 15 is including installing the air pump 16 on roof 13, air pump 16 bottom is through giving vent to anger hose 17 connection blowing head 18, third cylinder 19 is installed to roof 13 bottom, piston rod fixedly connected with mounting panel 20 is passed through to third cylinder 19 bottom, mounting panel 20 bottom is equipped with cardboard 27, blowing head 18 is fixed to be worn to locate mounting panel 20 and cardboard 27's center department, die cavity 4 top is equipped with the draw-in groove 28 the same with cardboard 27 size, cardboard 27 can block on draw-in groove 28, in order to play the effect of sealing die cavity 4.

An L-shaped limiting rod 21 is fixedly connected to the bottom of the top plate 13, the mounting plate 20 is arranged on the outer wall of the L-shaped limiting rod 21 in a sliding and nesting mode, the distance between the L-shaped limiting rod 21 and the clamping plate 27 is equal to the outer diameter of the clamping groove 28, a sealing washer is arranged on the top of the clamping groove 28, the clamping plate 27 is clamped on the clamping groove 28 and matched with the sealing washer arranged on the top of the clamping groove 28 to seal the mold cavity 4, a through hole 22 is formed in the lower portion of the cavity 6 of the mold 3 in a penetrating mode, an electric wire can penetrate through the through hole 22, an oil pump of the second air cylinder 7 can be conveniently connected to 220V electricity, a spiral cooling pipe 24 is connected to one side of the cooling water tank 11 through a water inlet pipe 23 and arranged in the mold 3, a water outlet pipe 25 is connected to the other end of the spiral cooling pipe 24, make the cooling water in the cooling water tank 11 get into spiral cooling tube 24 and cool off die cavity 4, the sliding plate 5 outside is contradicted through rubber circle and is connected with die cavity 4 inner wall, and sliding plate 5 can slide to increase the leakproofness through the rubber circle.

The utility model discloses the theory of operation: when the device is used, the electric equipment is firstly connected with 220V mains supply, the utility model can be controlled by a PLC controller, firstly, the extruder 14 extrudes plastic into the die cavity 4, after the plastic is extruded by a set amount, the first cylinder 2 is used for pushing the die 3 to move until the outer side of the die 3 is contacted with the L-shaped limiting rod 21 and stops moving, because the distance between the L-shaped limiting rod 21 and the clamping plate 27 is equal to the outer diameter of the clamping groove 28, at the moment, the mounting plate 20 is driven by the third cylinder 19 to move downwards until the clamping plate 27 is clamped on the clamping groove 28, and the die cavity 4 is sealed by the matching of the sealing washer arranged at the top of the clamping groove 28, the air pump 16 blows air flow into the die cavity 4 to ensure that the main plastic in the die cavity 4 is integrally expanded and formed under the action of external pressure, the water pump 26 is synchronously opened, so that cooling water in the cooling water tank 11 enters, finally, the sliding plate 5 can be driven by the second air cylinder 7 to move upwards so as to eject the plastic of the formed body.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A plastic hollow body blow molding system, comprising a support frame (1), characterized in that: the die is characterized in that side plates (12) are fixedly connected to two sides of the support frame (1), a first air cylinder (2) is fixedly mounted on one side of each side plate (12), a die (3) is fixedly connected to one side of each first air cylinder (2) through a piston rod, a die cavity (4) with an open top is arranged in each die (3), a sliding plate (5) is abutted to the inner wall of each die cavity (4), a cavity (6) is arranged below each die cavity (4) in each die (3), a second air cylinder (7) is mounted at the bottom of each cavity (6), the top of each second air cylinder (7) is fixedly welded to the bottom of each sliding plate (5) through a piston rod (8), sliding blocks (9) are fixedly welded to the periphery of the bottom of each die (3), two sliding grooves (10) are arranged at the top of the support frame (1), and the bottoms of the sliding blocks, a transverse plate (29) is fixedly arranged at the bottom of one side of the die (3), a cooling water tank (11) is arranged at the top of the transverse plate (29), a top plate (13) is fixedly connected to the top of the side plate (12), an extruder (14) and a blow molding machine (15) are arranged on the top plate (13), the blow moulding machine (15) comprises an air pump (16) mounted on the top plate (13), the bottom of the air pump (16) is connected with a blow molding head (18) through an air outlet hose (17), a third cylinder (19) is arranged at the bottom of the top plate (13), a mounting plate (20) is fixedly connected at the bottom of the third cylinder (19) through a piston rod, the bottom of the mounting plate (20) is provided with a clamping plate (27), the blow molding head (18) is fixedly arranged at the center of the mounting plate (20) and the clamping plate (27) in a penetrating way, and the top of the die cavity (4) is provided with a clamping groove (28) with the same size as the clamping plate (27).

2. A plastic hollow body blow molding system according to claim 1, characterized in that: roof (13) bottom still rigid coupling has L shape restriction lever (21), mounting panel (20) slip nestification is located L shape restriction lever (21) outer wall, L shape restriction lever (21) with distance between cardboard (27) equals the external diameter of draw-in groove (28), just draw-in groove (28) top is equipped with seal ring.

3. A plastic hollow body blow molding system according to claim 1, characterized in that: the die (3) is positioned below the cavity (6) and is provided with a through hole (22) in a penetrating way.

4. A plastic hollow body blow molding system according to claim 1, characterized in that: cooling water tank (11) one side is connected with spiral cooling tube (24) through inlet tube (23), just spiral cooling tube (24) are located in mould (3), the spiral cooling tube (24) other end is connected with outlet pipe (25), outlet pipe (25) tip with cooling water tank (11) top intercommunication.

5. A plastic hollow body blow molding system according to claim 4, characterized in that: and a water pump (26) is arranged on the water inlet pipe (23), and the spiral cooling pipe (24) is arranged outside the die cavity (4) in a surrounding manner.

6. A plastic hollow body blow molding system according to claim 1, characterized in that: the outer side of the sliding plate (5) is connected with the inner wall of the die cavity (4) in an abutting mode through a rubber ring.