CN210211317U

CN210211317U - Bottle blow molding system is moulded in environmental protection

Info

Publication number: CN210211317U
Application number: CN201920816754.2U
Authority: CN
Inventors: Yunchao Wang; 王运超
Original assignee: Guangzhou Dazhong Packaging Industry Co Ltd
Current assignee: Guangzhou Dazhong Packaging Industry Co Ltd
Priority date: 2019-06-02
Filing date: 2019-06-02
Publication date: 2020-03-31
Anticipated expiration: 2029-06-02

Abstract

The utility model relates to a plastic blow molding system, in particular to an environment-friendly plastic bottle blow molding system, which comprises a heating box, a gas storage box, an air compressor A and a section mould, the utility model can adjust the temperature of hot air in the gas storage box by arranging an air inlet pipe B and a thermometer on the gas storage box, and has good temperature control effect and high speed; the exhaust pipe of the Roots vacuum pump is arranged at the bottom of the right die, so that the bottle blank can be stretched while vacuumizing is performed, and the forming of the bottle blank is accelerated; through setting up the branch pipe of blowing and blast pipe, can accomplish the hot-air discharge in the back bottle base of blowing, flow back to the heating cabinet internal recycle again, fill the air of normal atmospheric temperature in the hot-air of discharge, can accelerate the cooling rate of shaping bottle base to the production speed of moulding the bottle improves production efficiency.

Description

Bottle blow molding system is moulded in environmental protection

Technical Field

The utility model relates to a plastics blowing system, especially a bottle blow molding system is moulded in environmental protection.

Background

Along with the popularization of plastic packaging bottles, the problems brought by the plastic packaging bottles are more and more obvious, and some waste plastic packaging bottles which cannot be reused are difficult to decompose, so that degradable environment-friendly plastic bottles are produced by transportation, especially, the large-volume environment-friendly plastic bottle is necessary, most of the existing large-volume environment-friendly plastic bottles are formed by blow molding, however, the existing blow molding device has defects in manufacturing environment-friendly plastic bottles, the air blown out by the air compressor in the use of the existing blow molding device is normal temperature air, the temperature is far lower than the surface temperature of the bottle blank, so that the bottle blank can be rapidly cooled when the bottle blank is subjected to blow molding processing, the bottle blank is cooled and solidified when not reaching a proper shape, the error of the produced product is increased, therefore, the industry has improved the blow molding device, for example, the high-efficient accurate blow molding device that chinese patent disclosed, application number: 201721564708.5, it can heat the air entering the air compressor through the heating barrel, and then make the device can make the bottle base in the high temperature state all the time when blowing the bottle base, and then facilitate the bottle base to deform; the air in the space that valve and second blow molding valve are constituteed can be moulded to first blow through setting up roots vacuum pump and take out, and then increase the inside pressure differential with the bottle base outside of bottle base, and then make the bottle base hug closely the inner wall of first blow molding valve and second blow molding valve completely, and then reduce the machining error of product, improve the precision of processing, but still exist not enoughly: (1) a thermometer is arranged on the heating barrel, but the temperature is controlled by introducing air at normal temperature in the heating process, so that the effect is poor; (2) the high-temperature gas can be introduced to facilitate the deformation of the bottle blank, but for some large plastic bottles, such as raw material bottles and the like, a large amount of high-temperature gas needs to be injected for blow molding, but the high-temperature gas after the blow molding is finished can prolong the cooling time; and (3) an air outlet pipe connected with a Roots vacuum pump is arranged at the top of the first blow-molded valve and the second blow-molded valve, and the top of the bottle blank can be deformed when air is extracted.

Disclosure of Invention

To prior art not enough, the utility model provides a bottle blow molding system is moulded in environmental protection that is convenient for carry out blow molding in reinjecting into the bottle base after controlling temperature to the air of heating, and can carry out cyclic utilization with the air of heating.

The technical scheme of the utility model is that: the utility model provides a bottle blow molding system is moulded in environmental protection which characterized in that: it comprises a heating box, a gas storage box, an air compressor A and a section mould, wherein heating wires are transversely arranged in the heating box at equal intervals, an air inlet pipe A is arranged at the bottom of the heating box, an air outlet pipe is arranged at the top of the heating box, the tail end of the air outlet pipe is communicated with an air inlet of the air storage box, the top of the air storage box is provided with an air inlet pipe B, the air outlet of the air storage tank is connected with the air inlet end of an air compressor A, the air outlet end of the air compressor A is connected with an air blowing pipe, the tail end of the air blowing pipe penetrates through the sealing plate, the sealing plate is also provided with an exhaust pipe in a penetrating way, the tail end of the exhaust pipe is communicated with the heating box, a section mould which can be opened and closed is connected below the sealing plate through a rotating handle, the section mould comprises a left mould and a right mould, and a cavity formed when the left mold and the right mold are closed is a cavity, and the left mold and the right mold clamp the bottle blank when the left mold and the right mold are closed.

Furthermore, the outer walls of the heating box and the gas storage box are provided with thermometers.

Furthermore, an air blowing branch pipe is connected to the air blowing pipe, and the tail end of the air blowing branch pipe is communicated with an air outlet end of the air compressor B.

Furthermore, the air outlet pipe is provided with a check valve, and the air inlet pipe A and the air inlet pipe B are both provided with flow electromagnetic valves.

Further, an air pump is arranged on the exhaust pipe, and the air pump is an intelligent air pump.

Furthermore, the air blowing pipe, the air blowing branch pipe and the exhaust pipe are all soft air pipes, and a certain length is reserved.

Furthermore, the length of the air blowing pipe exposed out of the sealing plate is greater than that of the exhaust pipe exposed out of the sealing plate.

Further, the bottom of the right die is provided with an exhaust tube, and the tail end of the exhaust tube is connected with the air inlet end of the Roots vacuum pump.

The utility model discloses a theory of operation and working process:

when the vacuum bottle blank forming machine is used, firstly, air is pumped into a heating box through a fan or an air pump, a heating wire is started to heat the air, the heated air rises upwards and flows into a gas storage box through an air outlet pipe, the temperature of the air in the gas outlet box is monitored through a thermometer, normal-temperature air is introduced into the gas storage box through an air inlet pipe B to adjust the temperature of the air in the gas storage box for later use, then, the bottle blank is installed at one end of the air inlet pipe A, the bottle blank is placed in a cavity formed by a left die and a right die and is sealed through a sealing plate, a Roots vacuum pump is started to vacuumize the cavity after sealing, an air compressor is used to blow hot air into the cavity through an air blowing pipe during vacuumizing, the bottle blank can be pulled through negative pressure, the forming of the bottle blank is accelerated, meanwhile, the phenomenon that air which is entangled in the space obstructs the deformation of the bottle, and the hot air is introduced to slow down the cooling time of the bottle blank, so that the bottle blank has sufficient time deformation, finally, after the blow molding is completed, the flow electromagnetic valve on the blow pipe is closed, the flow electromagnetic valve and the air pump of the blow branch pipe are simultaneously opened, the hot air is simultaneously discharged into the cavity, the normal temperature air is introduced, the cooling of the molded bottle is accelerated, the exhaust speed of the hot air is controlled to be less than or equal to the entering speed of the normal temperature air, the hot air discharged in the cavity flows back into the heating box to be heated and then is recycled, and the air intake and the exhaust are stopped after a period of air intake and exhaust.

The utility model has the advantages that: the utility model has the advantages that the air inlet pipe B and the thermometer are arranged on the air storage box, so that the temperature of the hot air in the air storage box can be adjusted, the temperature control effect is good, and the speed is high; the exhaust pipe of the Roots vacuum pump is arranged at the bottom of the right die, so that the bottle blank can be stretched while vacuumizing is performed, and the forming of the bottle blank is accelerated; through setting up the branch pipe of blowing and blast pipe, can accomplish the hot-air discharge in the back bottle base of blowing, flow back to the heating cabinet internal recycle again, fill the air of normal atmospheric temperature in the hot-air of discharge, can accelerate the cooling rate of shaping bottle base to the production speed of moulding the bottle improves production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure, 1, a heating box; 2. a gas storage tank; 3. an air compressor A; 4. forming a mould; 5. heating wires; 6. an air inlet pipe A; 7. an air outlet pipe; 8. an air inlet pipe B; 9. an air blowing pipe; 10. a sealing plate; 11. an exhaust pipe; 12. a cavity; 13. a bottle blank; 14. a thermometer; 15. an air blowing branch pipe; 16. an air compressor B; 17. a flow rate solenoid valve; 18. an air pump; 19. an air exhaust pipe; 20. A Roots vacuum pump; 401. a left mold; 402. and (7) a right die.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

as shown in fig. 1, an environment-friendly plastic bottle blow molding system is characterized in that: the heating box comprises a heating box 1, a gas storage box 2, an air compressor A3 and a forming die 4, wherein heating wires 5 are transversely arranged in the heating box 1 at equal intervals, a gas inlet pipe A6 is arranged at the bottom of the heating box 1, a gas outlet pipe 7 is arranged at the top of the heating box 1, the tail end of the gas outlet pipe 7 is communicated with a gas inlet of the gas storage box 2, a gas inlet pipe B8 is arranged at the top of the gas storage box 2, a gas outlet of the gas storage box 2 is connected with a gas inlet end of the air compressor A3, a gas outlet end of the air compressor A3 is connected with a gas blowing pipe 9, the tail end of the gas blowing pipe 9 penetrates through a sealing plate 10, an exhaust pipe 11 is further arranged through the sealing plate 10, the tail end of the exhaust pipe 11 is communicated with the heating box 1, a forming die 4 which can be opened and closed is connected below the sealing plate 10 through a rotating handle, the forming die 4 comprises a left die 401 and, the left mold 401 and the right mold 402 hold the preform 13 when closed.

The outer walls of the heating box 1 and the gas storage box 2 are both provided with thermometers 14.

An air blowing branch pipe 15 is connected to the air blowing pipe 9, and the tail end of the air blowing branch pipe 15 is communicated with an air outlet end of an air compressor B16.

The air outlet pipe 7 is provided with a check valve, and the air inlet pipe A6 and the air inlet pipe B8 are both provided with a flow electromagnetic valve 17.

An air pump 18 is arranged on the exhaust pipe 11, and the air pump 18 is an intelligent air pump.

The air blowing pipe 9, the air blowing branch pipe 15 and the exhaust pipe 11 are all soft air pipes.

The length of the air blowing pipe 9 exposed out of the sealing plate 10 is greater than that of the exhaust pipe 11 exposed out of the sealing plate 10.

An air exhaust pipe 19 is arranged at the bottom of the right die 402, and the tail end of the air exhaust pipe 19 is connected with the air inlet end of a roots vacuum pump 20.

The heating wire in the embodiment adopts ultra-high temperature electric furnace wire produced by extraordinary electric heating electric appliance trade limited company in the Xinghua city.

The air compressor a and the air compressor B in this embodiment are air compressors manufactured by Ningbo energy machinery, Inc.

The flow solenoid valve in this embodiment is the flow solenoid valve produced by Yuyao Yueer valve Co.

The air pump in this embodiment is produced by yellow rock peaked machinery factory in taizhou city.

The roots vacuum pump in this embodiment is a ZJ-150N roots vacuum pump manufactured by Nantong, Japan vacuum equipment Limited.

The foregoing embodiments and description have been provided to illustrate the principles and preferred embodiments of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed.

Claims

1. The utility model provides a bottle blow molding system is moulded in environmental protection which characterized in that: the heating device comprises a heating box (1), a gas storage box (2), an air compressor A (3) and a forming die (4), wherein heating wires (5) are transversely arranged in the heating box (1) at equal intervals, an air inlet pipe A (6) is arranged at the bottom of the heating box (1), an air outlet pipe (7) is arranged at the top of the heating box (1), the tail end of the air outlet pipe (7) is communicated with an air inlet of the gas storage box (2), an air inlet pipe B (8) is arranged at the top of the gas storage box (2), an air outlet of the gas storage box (2) is connected with an air inlet end of the air compressor A (3), an air outlet end of the air compressor A (3) is connected with an air blowing pipe (9), the tail end of the air blowing pipe (9) penetrates through a sealing plate (10), an exhaust pipe (11) is further arranged on the sealing plate (10) in a penetrating manner, and the, the bottle blank clamping device is characterized in that a forming die (4) capable of being opened and closed is connected to the lower portion of the sealing plate (10) through a rotating handle, the forming die (4) comprises a left die (401) and a right die (402), a cavity formed when the left die (401) and the right die (402) are closed is a cavity (12), and the left die (401) and the right die (402) clamp a bottle blank (13) when the left die (401) and the right die (402) are closed.

2. The blow molding system for environmental protection plastic bottles of claim 1, wherein: the outer walls of the heating box (1) and the air storage box (2) are provided with thermometers (14).

3. The blow molding system for environmental protection plastic bottles of claim 2, wherein: an air blowing branch pipe (15) is connected to the air blowing pipe (9), and the tail end of the air blowing branch pipe (15) is communicated with an air outlet end of an air compressor B (16).

4. The blow molding system for environmental protection plastic bottles of claim 3, wherein: be provided with the check valve on outlet duct (7), all be provided with flow solenoid valve (17) on intake pipe A (6) and intake pipe B (8).

5. The blow molding system for environmental protection plastic bottles of claim 4, wherein: an air pump (18) is arranged on the exhaust pipe (11), and the air pump (18) is an intelligent air pump.

6. The blow molding system for environmental protection plastic bottles of claim 5, wherein: the air blowing pipe (9), the air blowing branch pipe (15) and the exhaust pipe (11) are all soft air pipes.

7. The blow molding system for environmental friendly plastic bottles as claimed in claim 6, wherein: the length of the air blowing pipe (9) exposed out of the sealing plate (10) is greater than the length of the exhaust pipe (11) exposed out of the sealing plate (10).

8. The blow molding system for environmental friendly plastic bottles as claimed in claim 7, wherein: an air exhaust pipe (19) is arranged at the bottom of the right die (402), and the tail end of the air exhaust pipe (19) is connected with the air inlet end of a Roots vacuum pump (20).