Argon filling protection device based on stainless steel sanitary pipeline welding pipe

Abstract

The utility model discloses an argon filling protection device in a welding pipe based on a stainless steel sanitary pipeline. The argon filling protection device comprises an argon inlet tool, an argon discharging tool and a bracket, the argon inlet tool comprises an air supply pipeline, a first outer sleeve plastic pipe cap and a quick connection valve, one end of the first pipeline is covered with the first outer sleeve plastic pipe cap, a hole is formed in the first outer sleeve plastic pipe cap to be connected with the air supply pipeline, the air supply pipeline and the first outer sleeve plastic pipe cap are sealed through silica gel, and the quick connection valve is installed at the air inlet end of the air supply pipeline. The argon discharging tool comprises a second sleeving plastic pipe cap, a row of round holes are formed in the middle of the cap in advance, the second sleeving plastic pipe cap is installed at the other end of the second pipeline, and the first pipeline and the second pipeline are placed on the bracket and located on the same upper plane. And the internal cleanliness of a sanitary pipeline is greatly guaranteed, no residue exists in the pipeline, and the pipeline cannot be polluted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of inflatable protection device, concretely relates to a kind of based on stainless steel sanitary pipeline welding pipe inner argon filling protection device. BACKGROUND

[0002] There are more stainless steel sanitary pipelines needing to be welded in food and pharmaceutical engineering, and these stainless steel sanitary pipelines have the characteristics of generally small pipe diameter and thin pipe wall, and the welding mode (whether manual welding or automatic welding) basically adopts argon arc welding (or gapless group self-fusion welding), and argon filling protection needs to be carried out in the pipeline during welding to ensure the welding seam quality. During argon filling protection, the sponge is inserted into the pipeline and inserted into the argon pipe at the gas inlet end, and the gap is sealed with aluminum foil tape; water-soluble paper is pasted at the gas outlet end to open a small hole for exhaust. The stainless steel sanitary pipeline has high internal cleanliness requirement, and pollution is not allowed in the pipeline during construction (more not allowed to leave object residues) and the outer wall of the pipeline is not allowed to have adhesive residues, so the existing argon filling protection device cannot meet the stainless steel sanitary construction quality requirement. CONTENT OF THE UTILITY MODEL

[0003] To solve the above problems, the utility model discloses a kind of based on stainless steel sanitary pipeline welding pipe inner argon filling protection device, it is simple to make, can be repeatedly used, can guarantee sanitary pipeline internal cleanliness, and there is no residue in pipe and will not pollute pipeline.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0005] A kind of based on stainless steel sanitary pipeline welding pipe inner argon filling protection device, including argon gas inlet tooling, argon gas discharge tooling and bracket;

[0006] The argon gas inlet tooling includes gas supply pipeline, outer sleeve plastic pipe cap one, traceless adhesive tape one and quick coupling valve, the outer sleeve plastic pipe cap one is customized according to the corresponding pipeline size, a Φ12 circular hole is formed in the outer sleeve plastic pipe cap one to connect the gas supply pipeline, the gas supply pipeline is a Φ10 translucent nylon tube, the gap between the nylon tube and the outer sleeve plastic pipe cap one is sealed with silica gel, and a Φ10 quick coupling valve is installed at the gas inlet end of the nylon tube, when the pipeline is welded and the argon is filled in the pipe, the assembled tooling is covered on one end of the pipeline, and the gap between the outer sleeve plastic pipe cap one and the pipeline is sealed with traceless adhesive tape one.

[0007] The argon gas discharge tooling includes outer sleeve plastic pipe cap two and traceless adhesive tape two, the outer sleeve plastic pipe cap two is also customized according to the corresponding pipeline size, the outer sleeve plastic pipe cap two is installed at the other end of the pipeline and sealed with traceless adhesive tape two, a row of Φ2mm exhaust holes are formed in the middle of the outer sleeve plastic pipe cap two to maintain the normal pressure of the argon filling system in the pipeline.

[0008] The bracket comprises a base, a telescopic rod and an arc-shaped plate, the telescopic rod is vertically arranged, the upper end of the telescopic rod is connected with the arc-shaped plate, the lower end of the telescopic rod is connected with the middle part of the base, the arc-shaped plate is upwardly opened, the interfaces of the pipelines are placed on the arc-shaped plate during welding, and the height of the telescopic rod can be adjusted to ensure that the two pipelines to be welded are in the same plane.

[0009] The arc-shaped plate is internally provided with a buffer layer, and the pipelines placed on the buffer layer will not be bumped, thereby playing a protection role.

[0010] The utility model discloses the beneficial effects are:

[0011] The device is combined with the argon gas inlet system and the argon gas discharge tool, and can effectively guarantee the argon filling protection effect, the cleanliness of the pipeline and the non-residue of the adhesive during the welding process of the stainless steel sanitary pipeline, is low in material cost, simple in manufacturing, quick in installation, rapid in disassembly and reusable, and is suitable for the argon filling protection during the welding process of the stainless steel sanitary pipeline.

[0012] Specifically,

[0013] (1) the argon gas inlet tool is quickly connected with the nylon pipe output from the argon cylinder, can quickly and simply and easily operate to transport the welding protection gas argon into the pipeline, is used for protecting the welding quality of the weld; a row of small holes on the outer sleeve plastic pipe cap two balance the air and the argon system pressure.

[0014] (2) simple manufacturing, simple disassembly and installation

[0015] Different manufacturing can be carried out according to the different outer diameters of the stainless steel sanitary pipeline, the manufacturer does not have higher skill requirement, the on-site manufacturing can be carried out at any time according to the requirement, the manufactured tool can be installed by the welding personnel before welding, and the disassembly is simple after welding.

[0016] (3) the device is only installed on the outside of the pipeline and will not pollute the inside of the pipeline

[0017] The device only contacts the outer wall of the pipeline and does not contact the inside of the pipeline, and can meet the requirements of the high cleanliness of the inside of the stainless steel sanitary pipeline, the non-residue of the adhesive and the non-pollution.

[0018] (4) the two outer sleeve plastic pipe caps in the device can be batch customized according to the size of the outer diameter of the pipeline

[0019] The outer sleeve plastic pipe cap in the device can be customized according to the size of the outer diameter of the sanitary pipeline (for example, the outer diameter of the sanitary pipeline is Φ51mm, the inner diameter of the plastic cap is preferably Φ52.5±0.3mm), the thickness is 1-1.5mm, and the width is preferably 20-30mm. The matching degree of the installed outer sleeve plastic cap with the pipeline is high, the gap between them is small, and the sealing with adhesive tape is facilitated.

[0020] (5) The gap between the outer plastic tube cap and the argon nylon tube in the device is sealed with silica gel

[0021] In the device, a Φ12mm hole is opened in the outer plastic tube cap at the gas inlet end, and a Φ10mm argon nylon tube passes through the hole. The 2mm gap between the nylon tube and the cap is sealed with neutral silica gel. After sealing, there is no gas leakage between them.

[0022] (6) The argon gas inlet end (connected to the argon gas inlet system section) in the device is equipped with a quick-connect valve

[0023] The quick-connect valve facilitates quick connection with the nylon pipeline in the argon gas inlet system connection section, and has good sealing performance. The valve can also be used as an argon gas delivery switch, which can be easily opened and closed by the welder nearby, making it convenient to use.

[0024] (7) The outer plastic tube cap and the pipeline in the device are sealed with traceless adhesive tape

[0025] Traceless adhesive tape replaces aluminum foil tape and self-dissolving paper, leaving no adhesive residue when removed, ensuring the appearance quality of the pipeline and the sensory quality.

[0026] (8) The tooling of the device can be reused when welding pipelines of the same diameter

[0027] After welding a pipeline of a certain diameter, the tooling can be reused for welding pipelines of the same diameter. In the case of good construction result protection, it can be used for welding from the beginning to the end of the construction of pipelines of the same diameter. The construction cost price will be very low according to this method.

[0028] (9) The telescopic rod of the bracket can adjust the height to ensure that the two pipelines to be welded are in the same plane. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is the front view of the device;

[0030] Figure 2 is the left view of Figure 1 ;

[0031] Figure 3 is the right view of Figure 1 ;

[0032] Figure 4 is a schematic view of the bracket described in the device.

[0033] LIST OF FIGURES:

[0034] 1, fast valve, 2, gas pipeline, 3, bracket, 4, silica gel, 5, plastic pipe cap, 6, no trace tape, 7, matched pipeline, 8, matched pipeline, argon exhaust flow, 9, locking nut, 10, no trace tape, 11, plastic pipe cap, 12, exhaust hole, 13, round hole, 14, base, 15, telescopic rod, 16, arc plate, 17, buffer layer. DETAILED DESCRIPTION

[0035] The utility model is further illustrated below in combination with the drawings and specific embodiments, and it should be understood that the following specific embodiments are only used to illustrate the utility model and not used to limit the scope of the utility model.

[0036] As shown in the figure, the utility model discloses a kind of based on stainless steel sanitary pipeline welding pipe inner argon protection device, including argon gas inlet tool, argon gas discharge tool and bracket 3.

[0037] As Figure 1 , 2 , it is the argon gas inlet tool of this device, first according to the outer diameter size of matched pipeline one 7, the size of its size matched plastic pipe cap one 5 is customized, set up Φ12 round hole 13 on plastic pipe cap one 5, pass through the gap between the plastic pipe cap one 5 and the Φ10 nylon pipe 2 with the Φ10 nylon pipe 2 from the middle of plastic pipe cap one 5 set up Φ12 round hole 13, the gap between the plastic pipe cap one 5 and the Φ10 nylon pipe 2 is sealed with silica gel 4, the Φ10 quick coupling valve 1 is assembled with the Φ10 nylon pipe 2, above is completed, and argon gas inlet tool is mostly assembled.

[0038] The plastic pipe cap one 5 of above assembled argon gas inlet tool is installed in matched pipeline one 7 non-welding end, and the gap between the plastic pipe cap one 5 and matched pipeline one 7 is sealed with no trace tape 6.

[0039] When argon gas is filled, the Φ10 nylon pipe from the end of argon cylinder is quickly connected with the Φ10 quick coupling valve 1, and argon gas inlet filling work can be carried out.

[0040] As Figure 1 , 3 , it is the argon gas discharge tool of this device, first according to the outer diameter size of matched pipeline two 8, the size of its size matched plastic pipe cap two 11 is customized, the plastic pipe cap two 11 is installed in matched pipeline two 8 non-welding end, and the gap between the plastic pipe cap two 11 and matched pipeline two 8 is sealed with no trace tape two 10, and exhaust hole 12 is set up on the plastic pipe cap two 11. Above is the installation of argon gas discharge tool of the device, and argon gas flows into from gas pipeline 2 and is discharged from exhaust hole 12 during argon filling process.

[0041] In the implementation of the device, it is necessary to note that the assembly of argon gas inlet tooling and argon gas discharge tooling needs to be completed after the gapless assembly of the matched pipeline one 7 and the matched pipeline two 8, and then the tooling installation can be carried out. The bracket 3 holds two pipelines to be welded, the interface of the pipeline is placed on the arc-shaped plate 16 during welding, the telescopic rod 15 is a sleeve rod structure, the outer tube and the inner tube are connected at the locking nut 9, the height can be adjusted, and the two pipelines to be welded are in the same plane.

[0042] The arc-shaped plate 16 has a buffer layer 17 on the inner side, and the pipeline placed thereon cannot be knocked, and the protection is achieved.

[0043] It should be noted that the above content only illustrates the technical idea of the present application, and cannot limit the protection scope of the present application. For ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements fall within the protection scope of the claims of the present application.

Claims

1. An argon-filled protection device for welded stainless steel sanitary pipes, characterized in that: Including argon gas inlet fixture, argon gas outlet fixture and bracket (3); The argon gas inlet fixture includes a quick-connect valve (1), a gas delivery pipeline (2), and an outer plastic cap (5). The outer plastic cap (5) covers one end of the pipeline (7). A round hole (13) is opened on the outer plastic cap (5) to connect the gas delivery pipeline (2). The quick-connect valve (1) is installed at the gas inlet end of the gas delivery pipeline (2). The argon emission fixture includes an outer plastic cap (11), which covers the other end of the pipe (8), and a row of exhaust holes (12) are opened in the middle of the outer plastic cap (11). The bracket (3) includes a base (14), a telescopic rod (15) and an arc plate (16). The telescopic rod (15) is set vertically, with its upper end connected to the arc plate (16) and its lower end connected to the middle of the base (14). The arc plate (16) has its opening facing upwards, and the connection between the first pipe (7) and the second pipe (8) is set on the arc plate (16).

2. The argon-filled protection device for welded stainless steel sanitary pipes according to claim 1, characterized in that: The gas supply pipeline (2) is a Φ10 semi-transparent nylon tube.

3. The argon-filled protection device for welded stainless steel sanitary pipes according to claim 2, characterized in that: The gap between the nylon tube and the outer plastic cap (5) is sealed with silicone (4).

4. The argon-filled protection device for welded stainless steel sanitary pipes according to claim 1, characterized in that: The outer plastic cap (5) and the pipe (7) are sealed by wrapping with traceless tape (6).

5. The argon-filled protection device for welded stainless steel sanitary pipes according to claim 1, characterized in that: The outer plastic cap 2 (11) and the pipe 2 (8) are sealed by wrapping with traceless adhesive tape 2 (10).

6. The argon-filled protection device for welded stainless steel sanitary pipes according to claim 1, characterized in that: There is a buffer layer (17) on the inside of the curved plate (16).

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