Gas circuit connecting mechanism of bottle blowing machine

Abstract

The utility model discloses a bottle blowing machine gas circuit connecting mechanism which comprises an input pipe, the upper end of the input pipe is connected with an output pipe through a bent pipe, the surface of the bent pipe is fixedly communicated with a pressure measuring structure, the adjacent ends of the input pipe and the output pipe are both communicated with electromagnetic valves, a bypass pipe is fixedly communicated between the two electromagnetic valves, and the bypass pipe is connected with the pressure measuring structure. Through cooperation of the input pipe, the output pipe and the bent pipe, a complete gas path is formed, the completeness of bottle blowing work of the bottle blowing machine is guaranteed, through arrangement of the pressure measuring structure, when the pressure of the gas supply pipeline is too large, the pressure measuring structure monitors the pressure and controls opening of the two electromagnetic valves, and at the moment, another path is formed between the input pipe and the output pipe to relieve the gas conveying pressure; the safety of a gas circuit is guaranteed, risks such as pipe explosion are avoided, and the safety and the practicability are high.

Description

TECHNICAL FIELD

[0001] The utility model relates to bottle blowing machine gas path technical field, concretely relates to a bottle blowing machine gas path connecting mechanism. BACKGROUND

[0002] The bottle blowing machine is a kind of equipment that is processed into plastic bottle by plastic particle or plastic sheet, and the gas path system plays a vital role in the operation of bottle blowing machine, air compressor sucks ambient air and compresses into compressed air with certain pressure, then passes through air handling assembly, removes impurities, moisture and adds lubricating oil, so that compressed air reaches the requirements of cleaning, drying and lubrication and is delivered to gas path, and bottle blowing machine gas path pressure monitoring is an important measure to ensure the normal operation of bottle blowing machine, improve production efficiency and product quality, the gas path of existing bottle blowing machine, when the pressure in pipe is too large, it can cause gas path damage and leakage. SUMMARY

[0003] The utility model discloses a kind of bottle blowing machine gas path connecting mechanisms, to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of bottle blowing machine gas path connecting mechanism, including input pipe, the upper end of the input pipe is connected with output pipe by elbow pipe, the surface of the elbow pipe is fixedly connected with pressure measuring structure, the end adjacent to the input pipe and the output pipe is all communicated with electromagnetic valve, bypass pipe is fixedly communicated between two electromagnetic valves.

[0005] Preferably, the pressure measuring structure includes a hollow cylinder, the hollow cylinder is fixedly communicated with the surface of the elbow pipe, a sliding rod is through-assembled on the inner wall of the hollow cylinder, a piston is fixedly assembled on the lower end of the sliding rod, the piston is tightly attached to the inner wall of the hollow cylinder, a connecting plate is fixedly assembled on the outer wall of the sliding rod, a spring is sleeved on the outer wall of the sliding rod, one end of the spring is connected with the connecting plate, the other end of the spring is connected with the top surface of the inner cavity of the hollow cylinder, a reach sensor is through-assembled on the upper end of the inner wall of the hollow cylinder, and the reach sensor is matched with the connecting plate.

[0006] Preferably, a gas collection groove is formed in the lower end of the piston.

[0007] Compared with the prior art, the utility model has the beneficial effects that: through the cooperation of input pipe, output pipe and elbow pipe, complete gas path is formed, the integrity of bottle blowing work of bottle blowing machine is guaranteed, when the gas supply pipeline pressure is too large, the pressure measuring structure monitors the pressure, controls to open two electromagnetic valves, at this time, another path is opened between input pipe and output pipe, the gas delivery pressure is relieved, the safety of gas path is guaranteed, the danger such as pipe explosion is avoided, and the safety is high, and the practicability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is the structure perspective view of the utility model;

[0009] Figure 2 It is the front view of the utility model;

[0010] Figure 3 It is Figure 2 It is the structure enlarged view of A in the middle.

[0011] In the figure: 1-input pipe, 2-bend pipe, 3-pressure measuring structure, 31-hollow cylinder, 32-piston, 33-sliding rod, 34-connection plate, 35-spring, 36-in-place sensor, 4-output pipe, 5-solenoid valve, 6-bypass pipe. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0013] Please refer to Figures 1-3 The utility model provides a kind of bottle blowing machine gas path connecting mechanism, including input pipe 1, the upper end of input pipe 1 is connected with output pipe 4 by bend pipe 2, the surface of bend pipe 2 is fixedly communicated with pressure measuring structure 3, the end adjacent to input pipe 1 and output pipe 4 is all communicated with solenoid valve 5, bypass pipe 6 is fixedly communicated between two solenoid valves 5.

[0014] By the cooperation of input pipe 1 and output pipe 4 and bend pipe 2, complete gas path is formed, the integrity of bottle blowing machine bottle blowing work is guaranteed, by the setting of pressure measuring structure, when gas supply pipeline pressure is too large, pressure measuring structure 3 monitors pressure, controls to open two solenoid valves 5, another path between input pipe 1 and output pipe 4 is bypass pipe 6 at this time, relieve gas pressure, guarantee the safety of gas path, avoid the danger such as pipe explosion, high safety, strong practicality.

[0015] Pressure measuring structure 3 includes hollow cylinder 31, hollow cylinder 31 is fixedly communicated on the surface of bend pipe 2, sliding rod 33 is through assembled on the inner wall of hollow cylinder 31, the lower end of sliding rod 33 is fixedly assembled with piston 32, piston 32 is tightly combined with the inner wall of hollow cylinder 31, connection plate 34 is fixedly assembled on the outer wall of sliding rod 33, spring 35 is sleeved on the outer wall of sliding rod 33, one end of spring 35 is connected with connection plate 34, the other end of spring 35 is connected with the inner cavity top surface of hollow cylinder 31, in-place sensor 36 is through assembled on the upper end of the inner wall of hollow cylinder 31, in-place sensor 36 cooperates with connection plate 34.

[0016] When the pressure in the bent pipe 2 is too large, the gas will enter the inner wall of the hollow cylinder 31 at the lower end, and the piston 32 will be pushed upward, and the piston 32 will drive the slide rod 33 to move upward, at this time the slide rod 33 will drive the farming connecting plate 34 to extrude the spring 35 to deform and store energy, when the connecting plate 34 contacts the in-place sensor 36, the in-place sensor 36 is started, and the in-place sensor 36 controls the two electromagnetic valves 5 to be opened through the controller, forming another passage.

[0017] The lower end of the piston 32 is provided with a gas collecting groove.

[0018] The gas collecting groove can ensure that the piston 32 is better in force displacement.

[0019] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pneumatic connection mechanism for a blow molding machine, characterized in that: It includes an input pipe (1), the upper end of which is connected to an output pipe (4) via a bend (2), a pressure measuring structure (3) is fixedly connected to the surface of the bend (2), and a solenoid valve (5) is connected to one of the adjacent ends of the input pipe (1) and the output pipe (4), and a bypass pipe (6) is fixedly connected between the two solenoid valves (5).

2. The blow molding machine air circuit connection mechanism according to claim 1, characterized in that: The pressure measuring structure (3) includes a hollow cylinder (31), which is fixedly connected to the surface of the bent pipe (2). A slide rod (33) is installed through the inner wall of the hollow cylinder (31). A piston (32) is fixedly installed at the lower end of the slide rod (33). The piston (32) is tightly fitted to the inner wall of the hollow cylinder (31). A connecting plate (34) is fixedly installed on the outer wall of the slide rod (33). A spring (35) is sleeved on the outer wall of the slide rod (33). One end of the spring (35) is connected to the connecting plate (34), and the other end of the spring (35) is connected to the top surface of the inner cavity of the hollow cylinder (31). A position sensor (36) is installed through the upper end of the inner wall of the hollow cylinder (31). The position sensor (36) cooperates with the connecting plate (34).

3. The air circuit connection mechanism for a blow molding machine according to claim 2, characterized in that: The piston (32) has a gas collecting groove at its lower end.

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