Vinegar pot production air pressure adjusting device

Abstract

The utility model discloses an air pressure adjusting device for vinegar pot production. The air pressure adjusting device comprises a main air tank, the main air tank is communicated with a main pipeline, the main pipeline is communicated with a blow molding machine through a branch pipeline, an auxiliary air tank is arranged at the tail end of the main pipeline, the auxiliary air tank is communicated with the main pipeline, and a one-way air valve is arranged at the joint of the auxiliary air tank and the main pipeline. The auxiliary air tank is reasonable in structural design, the auxiliary air tank is arranged at the tail end of the main pipeline, the one-way air valve is arranged at the joint of the auxiliary air tank and the main pipeline, when the pressure of air, introduced into the main pipeline, in the main air tank is lower than a set value, the one-way air valve is opened, and compressed air in the auxiliary air tank supplements the main pipeline through the one-way air valve; the stability of air pressure in the main pipeline is ensured, so that the reliability of blow molding work of the vinegar pot is ensured, and the defective rate is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of vinegar kettle production, and particularly relates to an air pressure regulating device for vinegar kettle production. Background Art

[0002] In the production process of vinegar kettles, the plastic body is blown into a certain shape of mold cavity by a blow molding machine to make vinegar kettles. At present, the blow molding process is mainly supplied with air by gas tanks. Since the gas tanks are generally connected to multiple blow molding machines at the same time, the molding of the vinegar kettle may be affected due to insufficient air pressure during the blow molding process, thereby increasing the defective rate. Utility Model Content

[0003] In order to solve the above problems, the utility model provides an air pressure regulating device for vinegar kettle production.

[0004] The utility model is implemented as follows: a vinegar pot production air pressure regulating device comprises a main air tank, the main air tank is connected to a first air compressor and a main pipeline at the same time, the main pipeline is connected to a blow molding machine through a branch pipeline, the compressed air in the main air tank enters the blow molding machine through the main pipeline and the branch pipeline, the main air tank is inflated by the first air compressor, an auxiliary air tank is arranged at the end of the main pipeline, the auxiliary air tank is connected to the main pipeline and a second air compressor at the same time, the main pipeline is supplemented with air through the auxiliary air tank, and the auxiliary air tank is inflated by the second air compressor, a one-way air valve is arranged at the connection between the auxiliary air tank and the main pipeline, the blow molding machine is provided with a minimum working pressure P1, when the pressure P2 in the branch pipeline is lower than the minimum working pressure P1 of the blow molding machine, the one-way air valve is opened, the auxiliary air tank supplies air to the branch pipeline, and ensures that the air pressure in the branch pipeline meets the working requirements of the blow molding machine.

[0005] Preferably, the one-way air valve comprises a valve body and a valve core, the valve body has openings at both ends, the valve core is arranged in a cavity in the valve body, a groove is provided in the middle position of one end of the valve core, a spring is arranged in the groove, a first baffle ring is fixedly provided on the inner wall of the valve body to limit the spring and the valve core, the other end of the spring abuts against the first baffle ring, a plurality of through holes are evenly provided on the side wall of the valve core away from the first baffle ring, the through holes are connected with the groove for circulation of compressed air, the end of the valve core with the through holes abuts against the second baffle ring on the inner wall of the valve body, when the air pressure entering the main pipeline from the main gas tank is greater than the set value P1, the one-way air valve is in a closed state, when the air pressure entering the main pipeline from the main gas tank is less than the set value P1, the compressed air in the auxiliary gas tank pushes open the valve core, and the compressed air enters the main pipeline along the through holes and the groove for air replenishment.

[0006] Preferably, a first stop valve is provided on the main pipeline near the main gas tank. When the main gas tank needs to be inspected and repaired, the first stop valve is closed, and gas is supplied through the auxiliary gas tank at this time to ensure orderly production. A second stop valve is provided on the main pipeline near the auxiliary gas tank. When the auxiliary gas tank needs to be inspected and repaired, the second stop valve is closed, and gas is supplied through the main gas tank at this time. A third stop valve is provided on the branch pipeline. When a blow molding machine fails or needs inspection and maintenance, the third stop valve on the branch pipeline can be closed.

[0007] The beneficial effects of the utility model are as follows: the utility model has a reasonable structural design, a secondary gas tank is arranged at the end of the main pipeline, a one-way air valve is arranged at the connection between the secondary gas tank and the main pipeline, when the air pressure of the main gas tank flowing into the main pipeline is lower than the set value, the one-way air valve is opened, and the compressed air in the secondary gas tank replenishes the main pipeline through the one-way air valve, thereby ensuring the stability of the air pressure in the main pipeline, thereby ensuring the reliability of the blow molding of the vinegar pot and reducing the defective rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model;

[0009] Figure 2 It is a structural schematic diagram of a one-way air valve;

[0010] In the figure: 1. main gas tank; 2. first air compressor; 3. main pipeline; 4. blow molding machine; 5. branch pipeline; 6. auxiliary gas tank; 7. second air compressor; 8. one-way air valve; 9. valve body; 10. valve core; 11. cavity; 12. groove; 13. spring; 14. first retaining ring; 15. through hole; 16. second retaining ring; 17. first stop valve; 18. second stop valve; 19. third stop valve. DETAILED DESCRIPTION

[0011] In order to more clearly understand the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings.

[0012] like Figure 1 and Figure 2The shown vinegar pot production air pressure regulating device comprises a main gas tank 1, which is connected to a first air compressor 2 and a main pipeline 3 at the same time. The main pipeline 3 is connected to a blow molding machine 4 through a branch pipeline 5. The compressed air in the main gas tank 1 enters the blow molding machine 4 through the main pipeline 3 and the branch pipeline 5, and the main gas tank 1 is inflated by the first air compressor 2. An auxiliary gas tank 6 is arranged at the end of the main pipeline 3, and the auxiliary gas tank 6 is connected to the main pipeline 3 and a second air compressor 7 at the same time. The main pipeline 3 is supplemented with air through the auxiliary gas tank 6, and the auxiliary gas tank 6 is inflated by the second air compressor 7. A one-way air valve 8 is arranged at the connection between the auxiliary gas tank 6 and the main pipeline 3. The blow molding machine 4 is provided with a minimum working pressure P1 of 1.0 MPa. When the pressure P2 in the branch pipeline 5 is lower than the minimum working pressure P1 of the blow molding machine 4, the one-way air valve 8 is opened, and the auxiliary gas tank 6 supplies air to the branch pipeline 5 to ensure that the air pressure in the branch pipeline 5 meets the working requirements of the blow molding machine 4.

[0013] The one-way air valve 8 includes a valve body 9 and a valve core 10. The valve body 9 is opened at both ends. The valve core 10 is arranged in a cavity 11 in the valve body 9. A groove 12 is provided in the middle of one end of the valve core 10. A spring 13 is provided in the groove 12. A first retaining ring 14 is fixedly provided on the inner wall of the valve body 9 to limit the spring 13 and the valve core 10. The other end of the spring 13 abuts against the first retaining ring 14. A plurality of through holes 14 are evenly provided on the side wall of the valve core 10 away from the first retaining ring 14. 5, the through hole 15 is connected with the groove 12 for the circulation of compressed air, and one end of the valve core 10 with the through hole 15 is abutted against the second retaining ring 16 on the inner wall of the valve body 9. When the air pressure entering the main pipeline 3 from the main gas tank 1 is greater than the set value P1, the one-way air valve 8 is in a closed state. When the air pressure entering the main pipeline 3 from the main gas tank 1 is less than the set value P1, the compressed air in the auxiliary gas tank 6 pushes open the valve core 10, and the compressed air enters the main pipeline 3 along the through hole 15 and the groove 12 for air replenishment.

[0014] A first stop valve 17 is provided on the main pipeline 3 near the main gas tank 1. When the main gas tank 1 needs to be inspected and repaired, the first stop valve 17 is closed. At this time, gas is supplied through the auxiliary gas tank 6 to ensure orderly production. A second stop valve 18 is provided on the main pipeline 3 near the auxiliary gas tank 6. When the auxiliary gas tank 6 needs to be inspected and repaired, the second stop valve 18 is closed. At this time, gas is supplied through the main gas tank 1. A third stop valve 19 is provided on the branch pipeline 5. When a blow molding machine 4 fails or needs inspection and maintenance, the third stop valve 19 on the branch pipeline 5 can be closed.

[0015] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A vinegar pot production air pressure regulating device, comprising a main gas tank, the main gas tank is connected to a first air compressor and a main pipeline at the same time, the main pipeline is connected to a blow molding machine through a branch pipeline, characterized in that: A subsidiary gas tank is provided at the end of the main pipeline, and the subsidiary gas tank connects the main pipeline and the second air compressor at the same time. A one-way gas valve is provided at the connection between the subsidiary gas tank and the main pipeline. The blow molding machine is provided with a minimum working pressure P1. When the pressure P2 in the branch pipeline is lower than the minimum working pressure P1 of the blow molding machine, the one-way gas valve opens, and the subsidiary gas tank supplies gas to the branch pipeline.

2. A vinegar pot production air pressure regulating device according to claim 1, characterized in that: The one-way air valve includes a valve body and a valve core. Both ends of the valve body are open. The valve core is arranged in a cavity in the valve body. A groove is provided in the middle of one end of the valve core. A spring is arranged in the groove. A first retaining ring is fixedly provided on the inner wall of the valve body. The other end of the spring abuts against the first retaining ring. A plurality of through holes are evenly provided on the side wall of the valve core away from the first retaining ring. The through holes are connected with the groove. The end of the valve core with the through holes abuts against the second retaining ring on the inner wall of the valve body.

3. The vinegar pot production air pressure regulating device according to claim 1, characterized in that: A first stop valve is provided on the main pipeline close to the main gas tank, a second stop valve is provided on the main pipeline close to the auxiliary gas tank, and a third stop valve is provided on the branch pipeline.

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