Suction bag sealing performance detection device

Abstract

The utility model discloses a suction bag sealing detection device, which comprises a pressure reducing valve, a pneumatic switch and a change-over valve, the pressure reducing valve is communicated with a gas pipeline, the pneumatic switch is communicated with a gas outlet of the pressure reducing valve, the change-over valve is communicated with a gas outlet end of the pneumatic switch, a gas outlet pipe is arranged on the side wall of the change-over valve, and the gas pipeline is communicated with the gas pipeline. According to the utility model, the gas pipeline of the pressure reducing valve is connected with gas supply equipment, the pressure reducing valve is used for adjusting the gas pressure of a gas source, the gas pressure can be controlled, bag explosion caused by too high gas pressure is avoided, the long hose is arranged, a manual switch is conveniently and flexibly used, and gas is sent to the change-over valve by manually pressing the switch, so that the operation is simple; the rotary heads of different specifications can be matched with suction bag combinations of different specifications, the valve rod is manually screwed to be adjusted to the corresponding air outlet pipe to discharge air, and the application range is wide.

Description

Technical Field

[0001] This utility model relates to the technical field of packaging bag testing equipment, specifically a device for testing the sealing performance of suction bags. Background Technology

[0002] The existing plastic cup workshop seals the suction bags and then tests their airtightness by filling them with water and applying pressure to check for any liquid leakage. This testing method is time-consuming, and the inconsistent pressure can lead to incomplete checks. Once leakage is detected, the semi-finished products are basically scrapped, resulting in significant losses and customer complaints in the market. Utility Model Content

[0003] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be used to limit the scope of this utility model.

[0004] In view of the problems existing in the use of the above and / or suction bag sealing detection device, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a device for detecting the sealing performance of suction bags. It connects to the gas supply equipment through the gas pipeline of the pressure reducing valve, and uses the pressure reducing valve to adjust the gas source pressure to achieve controllable gas pressure and avoid bag explosion due to excessive gas pressure. The long hose is designed for flexible use of the manual switch. By manually pressing the switch, gas is sent to the conversion valve. The operation is simple. Different specifications of suction bags can be combined with different specifications of screw heads. The gas is discharged through the corresponding gas outlet pipe by manually turning the valve stem. It has a wide range of applications.

[0006] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0007] A device for detecting the sealing performance of a suction bag, comprising:

[0008] A pressure reducing valve, which is connected to a gas supply pipeline;

[0009] A pneumatic switch, wherein the pneumatic switch is connected to the outlet of a pressure reducing valve;

[0010] A switching valve is connected to the air outlet of a pneumatic switch. An air outlet pipe is provided on the side wall of the switching valve, and a rotating head is provided at the outlet of the air outlet pipe.

[0011] In a preferred embodiment of the suction bag sealing test device of this utility model, the side wall of the pressure reducing valve is provided with a hook, and a long flexible tube is provided between the pressure reducing valve and the manual switch.

[0012] In a preferred embodiment of the suction bag sealing test device of this utility model, the side wall of the manual switch is provided with a hanging hole, and the air outlet end of the manual switch is provided with a pipe joint.

[0013] In a preferred embodiment of the suction bag sealing test device of this utility model, the pipe joint is connected to an air supply pipe, and the side wall of the switching valve is provided with an interface connected to the air supply pipe.

[0014] As a preferred embodiment of the suction bag sealing test device of this utility model, the side wall of the switching valve is provided with a hand-tightening valve stem, and the side wall of the switching valve is provided with 4 air outlet pipes, each air outlet pipe being fitted with a rotating head of different specifications.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This suction bag sealing detection device is connected to the gas supply equipment through the gas supply pipe of the pressure reducing valve. The pressure reducing valve is used to adjust the gas source pressure, so the gas pressure can be controlled to avoid the bag bursting due to excessive gas pressure. The long hose is designed for flexible use of the manual switch. By manually pressing the switch, the gas is sent to the conversion valve. The operation is simple. Different specifications of suction bags can be combined with different specifications of screw heads. The gas is discharged through the corresponding gas outlet pipe by manually turning the valve rod. It has a wide range of applications. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0017] Figure 1 This is a first-view structural diagram of the overall structure of the suction bag sealing detection device of this utility model;

[0018] Figure 2 This is a schematic diagram of the overall second-view structure of the suction bag sealing detection device of this utility model;

[0019] Figure 3 This is a schematic diagram of the switching valve part of the suction bag sealing test device of this utility model.

[0020] 100. Pressure reducing valve; 101. Hook; 110. Gas supply pipeline; 120. Long hose; 200. Pneumatic switch; 201. Hanging hole; 210. Pipe joint; 211. Gas supply pipe; 300. Diverter valve; 310. Gas outlet pipe; 320. Rotary head; 301. Interface; 302. Hand-tightening valve stem. Detailed Implementation

[0021] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0022] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views showing the device structure will not be enlarged to scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0024] This utility model provides a device for detecting the sealing performance of suction bags. It connects to a gas supply device through a gas supply pipe connected to a pressure reducing valve. The pressure reducing valve regulates the gas source pressure, making the gas pressure controllable and preventing the bag from bursting due to excessive pressure. The long flexible hose allows for flexible use of the manual switch. By manually pressing the switch, gas is sent to the switching valve. The operation is simple. Different sizes of suction bags can be combined with different sizes of screw heads. The gas is discharged through the corresponding gas outlet pipe by manually turning the valve stem. It has a wide range of applications.

[0025] Figures 1-3 The diagram shown is a structural schematic of one embodiment of the suction bag sealing test device of this utility model. Please refer to [link / reference]. Figures 1-3 The main body of the suction bag sealing detection device of this embodiment includes a pressure reducing valve 100, a pneumatic switch 200 and a switching valve 300.

[0026] The pressure reducing valve 100 is connected to the gas supply equipment through the gas supply pipe 110. The pressure reducing valve 100 is used to adjust the gas source pressure to achieve controllable gas pressure and avoid the bag from bursting due to excessive gas pressure. The long hose 120 is provided to facilitate the flexible use of the manual switch. Specifically, the pressure reducing valve 100 is connected to the gas supply pipe 110. In this embodiment, the side wall of the pressure reducing valve 100 is provided with a hook 101, and the long hose 120 is provided between the pressure reducing valve 100 and the manual switch.

[0027] The pneumatic switch 200 sends gas to the switching valve 300 by manually pressing the switch. Specifically, the pneumatic switch 200 is connected to the outlet of the pressure reducing valve 100. In this embodiment, the side wall of the manual switch is provided with a hanging hole 201, the outlet end of the manual switch is provided with a pipe connector 210, the pipe connector 210 is connected to an air supply pipe 211, and the side wall of the switching valve 300 is provided with an interface 301 that is connected to the air supply pipe 211.

[0028] The switching valve 300 can be used with different sizes of suction bags through different sizes of rotating heads 320. It can be adjusted to the corresponding air outlet pipe 310 by turning the valve stem 302 by hand, and has a wide range of applications. Specifically, the switching valve 300 is connected to the air outlet end of the pneumatic switch 200. The side wall of the switching valve 300 is provided with an air outlet pipe 310, and the outlet of the air outlet pipe 310 is provided with a rotating head 320. In this embodiment, the side wall of the switching valve 300 is provided with a hand-turning valve stem 302, and the side wall of the switching valve 300 is provided with 4 air outlet pipes 310, each air outlet pipe 310 is matched with a rotating head 320 of different sizes.

[0029] Combination Figures 1-3 The specific usage process of the suction bag sealing test device in this embodiment is as follows: the air supply equipment is connected through the air supply pipe 110 of the pressure reducing valve 100, the air source pressure is adjusted to 0.1-0.2MPa using the pressure reducing valve 100, the suction bag is tightened by the screw head 320, the pneumatic switch 200 is pressed to inflate the suction bag, and then the suction bag is submerged in water to observe whether bubbles are generated. If bubbles are generated, the bag is unqualified; otherwise, it is qualified.

[0030] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A device for detecting the sealing performance of a suction bag, characterized in that, include: Pressure reducing valve (100), wherein the pressure reducing valve (100) is connected to a gas transmission pipeline (110); A pneumatic switch (200) is connected to the outlet of a pressure reducing valve (100); A switching valve (300) is connected to the air outlet of a pneumatic switch (200). An air outlet pipe (310) is provided on the side wall of the switching valve (300), and a swivel head (320) is provided at the outlet of the air outlet pipe (310).

2. The device for detecting the sealing performance of a suction bag according to claim 1, characterized in that, The pressure reducing valve (100) has a hook (101) on its side wall, and a long flexible hose (120) is provided between the pressure reducing valve (100) and the manual switch.

3. The device for detecting the sealing performance of a suction bag according to claim 2, characterized in that, The manual switch has a hanging hole (201) on its side wall and a pipe connector (210) at its air outlet end.

4. The device for detecting the sealing performance of a suction bag according to claim 3, characterized in that, The pipe joint (210) is connected to an air supply pipe (211), and the side wall of the switching valve (300) is provided with an interface (301) that is connected to the air supply pipe (211).

5. The device for detecting the sealing performance of a suction bag according to claim 4, characterized in that, The side wall of the switching valve (300) is provided with a hand-tightening valve stem (302), and the side wall of the switching valve (300) is provided with four air outlet pipes (310), each air outlet pipe (310) is fitted with a rotating head (320) of different specifications.

Images