Gas cylinder vacuum drying device

Abstract

The utility model relates to the technical field of gas cylinder vacuum drying, in particular to a gas cylinder vacuum drying device which comprises a gas cylinder body, a self-cleaning type vacuum drying mechanism is arranged on the outer side of the gas cylinder body, and the self-cleaning type vacuum drying mechanism comprises a drying chamber, a vacuum pump, a first connecting hose, a limiting base, an electric heating piece and a storage tank. The limiting seat is fixedly connected to the top of the drying chamber, the electric heating piece is in threaded connection to the inner side of the bottom of the limiting seat, the output end of the vacuum pump is fixedly connected with one end of the first connecting hose, the top of the first connecting hose is fixedly connected with the gas inlet end of the gas cylinder body, and the storage tank is fixedly connected to one side of the top of the drying chamber. Cleaning assemblies are further arranged on the two sides of the limiting base. The drying chamber is started to control an external power supply of the electric heating piece, the temperature of the gas cylinder body is controlled to be 70-75 DEG C, heating is carried out for about 30 min, and the purity and the using effect of gas are improved through the fully-dried gas cylinder body shell.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of gas cylinder vacuum drying, in particular to a gas cylinder vacuum drying device. BACKGROUND

[0002] At present, when a gas cylinder is subjected to vacuumizing treatment, a gas cylinder drying box needs to be used. The gas cylinder drying box can extract air in the gas cylinder, so that a certain vacuum degree is formed in the gas cylinder.

[0003] According to the search, the gas cylinder vacuum drying box (CN204436732U) is disclosed. First, the third valve is closed, and the gas cylinder needing vacuumizing treatment is connected to the interface of the vacuumizing air path. The temperature in the box body is adjusted according to the specification of the gas cylinder. After the preparation work is completed, the second valve and the vacuum pump are opened, and the gas cylinder is subjected to vacuumizing treatment. During the vacuumizing process, the vacuum degree thermocouple can monitor the vacuum degree in the gas cylinder at any time. The operator determines when to stop vacuumizing according to the parameter indication of the vacuum degree thermocouple. After the vacuumizing treatment is completed, the third valve is opened, the second valve is closed, the vacuum pump is connected to the idling air path, and the operator takes out the gas cylinder from the box body after the gas cylinder is closed.

[0004] According to the related technology in the above, the inventors believe that the following technical defects need to be improved:

[0005] Before leak detection, the oil dirt and dirt on the outer surface of the gas cylinder are removed, and the welding seam is cleaned, so that the leak hole is not blocked by dirt, oil and organic solvents, and the leak detection instrument is not polluted. The device does not pretreat the gas cylinder before vacuumizing, thereby reducing the vacuumizing effect of the gas cylinder. CONTENT OF THE UTILITY MODEL

[0006] The application provides a gas cylinder vacuum drying device to improve the following technical problems:

[0007] The conventional device does not pretreat the gas cylinder before vacuumizing, thereby reducing the vacuumizing effect of the gas cylinder.

[0008] The application provides a gas cylinder vacuum drying device, which adopts the following technical scheme:

[0009] A gas cylinder vacuum drying device, which comprises a gas cylinder body, a self-cleaning vacuum drying mechanism is arranged on the outer side of the gas cylinder body, the self-cleaning vacuum drying mechanism comprises a drying chamber, a vacuum pump, a connecting hose one, a limiting seat, an electric heating sheet and a storage tank, the limiting seat is fixedly connected to the top of the drying chamber, the electric heating sheet is threadedly connected to the inner bottom side of the limiting seat, the output end of the vacuum pump is fixedly connected to one end of the connecting hose one, the top of the connecting hose one is fixedly connected to the air inlet end of the gas cylinder body, the storage tank is fixedly connected to the top of one side of the drying chamber, and cleaning assemblies are further arranged on the two sides of the limiting seat.

[0010] In an implementation of the present application, the cleaning assembly comprises a positioning frame, a movable plate, a lifting oil cylinder, a connecting rod, a linear shaft, an arc-shaped clamping plate and a dust absorption plate, the positioning frame is fixedly connected to the top of the drying chamber, the piston end of the lifting oil cylinder is fixedly connected to the bottom of the connecting rod, the top of the connecting rod is fixedly connected to the bottom surface of the movable plate, the linear shaft is fixedly connected to the inner wall surface of the positioning frame through the inner side of the movable plate, the arc-shaped clamping plate is fixedly connected to the outer side of the movable plate, and the dust absorption plate is slidingly sleeved in the arc-shaped clamping plate.

[0011] In an implementation of the present application, the opposite sides of the arc-shaped clamping plate and the dust absorption plate are further fixedly connected with a plurality of groups of annular array limiting springs.

[0012] In an implementation of the present application, the connecting part of the storage tank and the gas cylinder body is further provided with a self-suction pump and a connecting hose two, the output end of the self-suction pump is fixedly connected to the bottom of the connecting hose two, and the top of the connecting hose two is connected to the gas inlet end of the gas cylinder body.

[0013] In an implementation of the present application, the connecting hose one and the connecting hose two are further clamped with a hose quick connector close to the outer side of the gas cylinder body.

[0014] In an implementation of the present application, the inside of the movable plate is provided with a through hole with a size matched with the linear shaft.

[0015] In summary, the present application has at least one of the following beneficial technical effects:

[0016] 1. The gas cylinder body is inserted into the limiting seat, the storage tank top cover is opened, the gas drying agent is poured into the inside, the connecting hose two is taken by the staff and connected to the gas inlet valve at the top of the gas cylinder body, the hose quick connector is clamped on the outside to ensure the sealing property, then the self-suction pump is started, under the negative pressure effect, the drying agent is discharged from the connecting hose two into the gas cylinder body, at the same time, the external power supply of the electric heating sheet of the drying chamber control is turned on, the temperature of the gas cylinder body is controlled at 70-75 ° and heated for about 30 min, so that the gas cylinder body with sufficient drying improves the purity and use effect of the gas, thereby prolonging the service life of the gas;

[0017] 2. Before vacuum drying, the device can start the lifting oil cylinder inside the positioning frame through the control end, the piston end of the lifting oil cylinder pushes and pulls the connecting rod, the connecting rod pushes the movable plate, the movable plate completes stable lifting through the built-in through hole matched with the linear shaft. In this process, the limiting spring inside the arc-shaped clamping plate is always in a compressed state, and under the elastic holding of the spring, the spring reacts on the dust absorption plate, the dust absorption plate fully abuts against the outer wall surface of the gas cylinder body and moves up and down, ensures that the leakage hole is not blocked by dirt, oil, organic solvents and the like and the leak detection instrument is not polluted, and further checks hidden dangers in time to avoid misuse or accidents. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 is a structural schematic diagram of the gas cylinder vacuum drying device of the embodiment of the present application.

[0020] Figure 2 is a side view of the self-cleaning vacuum drying mechanism of the embodiment of the present application.

[0021] Figure 3 is an enlarged view of the hose quick connector of the embodiment of the present application.

[0022] Figure 4 is a distribution diagram of the electric heating sheet of the embodiment of the present application.

[0023] Figure 5 is a sectional view of the arc-shaped clamping plate of the embodiment of the present application.

[0024] Explanation of reference signs:

[0025] 1, gas cylinder body; 2, self-cleaning vacuum drying mechanism; 3, cleaning assembly; 4, limiting spring; 5, self-suction pump; 6, connecting hose two; 7, hose quick connector; 8, through hole; 21, drying chamber; 22, vacuum pump; 23, connecting hose one; 24, limiting seat; 25, electric heating sheet; 26, storage tank; 31, positioning frame; 32, movable plate; 33, lifting oil cylinder; 34, connecting rod; 35, linear shaft; 36, arc-shaped clamping plate; 37, dust absorption plate. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, further detailed description will be made to the present application in combination with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not used to limit the present application.

[0027] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0028] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0029] In addition, the terms "first", "second" are only used for description purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0030] The following will be described in combination with the accompanying drawings Figures 1-5 The present application will be further described in detail.

[0031] The embodiments of the present application disclose a gas cylinder vacuum drying device. Referring to Figure 1 The gas cylinder vacuum drying device comprises a gas cylinder body 1, a self-cleaning vacuum drying mechanism 2 is arranged on the outer side of the gas cylinder body 1, the self-cleaning vacuum drying mechanism 2 comprises a drying chamber 21, a vacuum pump 22, a connecting hose one 23, a limiting seat 24, an electric heating sheet 25 and a material storage tank 26, the limiting seat 24 is fixedly connected to the top of the drying chamber 21, the electric heating sheet 25 is threadedly connected to the inner side of the bottom of the limiting seat 24, the output end of the vacuum pump 22 is fixedly connected to one end of the connecting hose one 23, the top of the connecting hose one 23 is fixedly connected to the gas inlet end of the gas cylinder body 1, the material storage tank 26 is fixedly connected to the top of one side of the drying chamber 21, and the two sides of the limiting seat 24 are further provided with a cleaning assembly 3.

[0032] The cleaning assembly 3 comprises a positioning frame 31, a movable plate 32, a lifting oil cylinder 33, a connecting rod 34, a straight shaft 35, an arc-shaped clamping plate 36 and a dust absorption plate 37, the positioning frame 31 is fixedly connected to the top of the drying chamber 21, the piston end of the lifting oil cylinder 33 is fixedly connected to the bottom of the connecting rod 34, the top of the connecting rod 34 is fixedly connected to the bottom surface of the movable plate 32, the straight shaft 35 penetrates through the inner side of the movable plate 32 and is fixedly connected to the inner wall surface of the positioning frame 31, the arc-shaped clamping plate 36 is fixedly connected to the outer side of the movable plate 32, and the dust absorption plate 37 is slidably sleeved in the arc-shaped clamping plate 36.

[0033] A plurality of groups of limit springs 4 in annular array are further fixedly connected to opposite sides of the arc-shaped clamping plate 36 and the dust absorption plate 37.

[0034] A self-suction pump 5 and a connecting hose two 6 are further arranged at the connecting position of the storage tank 26 and the gas cylinder body 1, the output end of the self-suction pump 5 is fixedly connected to the bottom of the connecting hose two 6, and the top of the connecting hose two 6 is fixedly connected to the feeding end of the gas cylinder body 1.

[0035] The connecting hose one 23 and the connecting hose two 6 are further clamped with a hose quick connector 7 close to the outer side of the gas cylinder body 1.

[0036] A through hole 8 with a size matched with the straight shaft 35 is further arranged in the movable plate 32.

[0037] The use process of the gas cylinder vacuum drying device is as follows:

[0038] The gas cylinder body 1 is inserted into the limit seat 24, the lifting oil cylinder 33 is started, the arc-shaped clamping plate 36 and the dust absorption plate 37 are driven by the movable plate 32 to move up and down, the dust absorption plate 37 is abutted against the surface of the gas cylinder body 1 to clean the oil stains and solvents at the leakage hole, and then the leakage hole is checked to strengthen the air tightness detection of the gas cylinder body 1 to prevent misuse; then the top cover of the storage tank 26 is opened, the gas drying agent is poured into the inside, the connecting hose two 6 is held by the worker and is connected with the feeding valve at the top of the gas cylinder body 1, the hose quick connector 7 is clamped on the outer side to ensure the sealing property, then the self-suction pump 5 is started, under the negative pressure effect, the drying agent is discharged from the connecting hose two 6 into the gas cylinder body 1, at the same time, the external power supply of the electric heating sheet 25 of the drying chamber 21 is started, the temperature of the gas cylinder body 1 is controlled at 70-75 DEG and is heated for about 30 min, so that the shell of the fully dried gas cylinder body 1 improves the purity and use effect of the gas.

[0039] The gas cylinder vacuum drying device has the following beneficial technical effects:

[0040] Before vacuum drying, the device can start the lifting cylinder 33 in the inner side of the positioning frame 31 through the control end, the piston end pushes and pulls the connecting rod 34, the connecting rod 34 pushes the movable plate 32, the movable plate 32 completes stable lifting through the built-in through hole 8 matched with the linear shaft 35, in the process, because the limiting spring 4 in the inner side of the arc-shaped clamping plate 36 is always in the state of being compressed, under the elastic holding of the spring, the spring reacts on the dust absorption plate 37, the dust absorption plate 37 fully abuts against the outer wall surface of the gas cylinder body 1 and moves up and down, ensures that the leakage hole is not blocked by dirt, oil, organic solvent and the like and the leak detector is not polluted, further investigates hidden dangers in time, avoids misuse or accidental accidents; the gas cylinder body 1 is inserted into the inner side of the limiting seat 24, the top cover of the storage tank 26 is opened, the gas drying agent is poured into the inside, the staff picks up the connecting hose two 6, and the connecting hose two 6 is connected with the feeding valve at the top of the gas cylinder body 1, the outside clamping hose quick connector 7 ensures the sealing property, then the self-suction pump 5 is started, under the negative pressure effect, the drying agent is discharged from the connecting hose two 6 into the gas cylinder body 1, at the same time, the external power supply of the dry chamber 21 control electric heating sheet 25 is started, the temperature of the gas cylinder body 1 is controlled at 70-75° and heated for about 30 min, so that the shell of the fully dried gas cylinder body 1 improves the purity and use effect of the gas, thereby prolonging the service life of the gas; after sufficient cooling, the vacuum pump 22 is started, the vacuum pump 22 discharges the excess gas in the gas cylinder body 1 from the connecting hose one 23, thereby ensuring the vacuum degree in the bottle, so that the device can achieve the vacuum drying effect.

[0041] The above only describes the preferred embodiments of the present application and does not limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the application shall be included in the protection scope of the present application.

Claims

1. A vacuum drying device for gas cylinders, characterized in that, The system includes a gas cylinder body (1), and a self-cleaning vacuum drying mechanism (2) is provided on the outside of the gas cylinder body (1). The self-cleaning vacuum drying mechanism (2) includes a drying chamber (21), a vacuum pump (22), a connecting hose (23), a limiting seat (24), an electric heating element (25), and a storage tank (26). The limiting seat (24) is fixedly connected to the top of the drying chamber (21). The electric heating element (25) is threadedly connected to the bottom inner side of the limiting seat (24). The output end of the vacuum pump (22) is fixedly connected to one end of the connecting hose (23). The top of the connecting hose (23) is fixedly connected to the air inlet end of the gas cylinder body (1). The storage tank (26) is fixedly connected to the top side of the drying chamber (21). Cleaning components (3) are also provided on both sides of the limiting seat (24).

2. The gas cylinder vacuum drying apparatus according to claim 1, characterized in that, The cleaning assembly (3) includes a positioning frame (31), a movable plate (32), a lifting cylinder (33), a connecting rod (34), a linear shaft (35), an arc-shaped clamp (36), and a dust-collecting plate (37). The positioning frame (31) is fixedly connected to the top of the drying chamber (21). The piston end of the lifting cylinder (33) is fixedly connected to the bottom of the connecting rod (34). The top of the connecting rod (34) is fixedly connected to the bottom surface of the movable plate (32). The linear shaft (35) passes through the inner side of the movable plate (32) and is fixedly connected to the inner wall of the positioning frame (31). The arc-shaped clamp (36) is fixedly connected to the outer side of the movable plate (32). The dust-collecting plate (37) is slidably sleeved inside the arc-shaped clamp (36).

3. The gas cylinder vacuum drying device according to claim 2, characterized in that, Several sets of ring-shaped limiting springs (4) are also fixedly connected to the opposite sides of the arc-shaped clamp (36) and the dust suction plate (37).

4. The gas cylinder vacuum drying apparatus according to claim 1, characterized in that, A self-priming pump (5) and a connecting hose 2 (6) are also provided at the connection between the storage tank (26) and the gas cylinder body (1). The output end of the self-priming pump (5) is fixedly connected to the bottom of the connecting hose 2 (6), and the top of the connecting hose 2 (6) is connected to the feed end of the gas cylinder body (1).

5. The gas cylinder vacuum drying apparatus according to claim 4, characterized in that, The first connecting hose (23) and the second connecting hose (6) are also fitted with quick-connect hose couplings (7) near the outside of the gas cylinder body (1).

6. The gas cylinder vacuum drying apparatus according to claim 2, characterized in that, The movable plate (32) has a through hole (8) that matches the size of the linear shaft (35).

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