Auxiliary welding tool for air pipe detection opening

Abstract

The utility model discloses an air pipe detection port welding auxiliary tool, which relates to the technical field of welding auxiliary equipment and comprises a telescopic rod component, a support frame, a mold body, a positioning head, an air inlet hole, an air inflation groove and a vent hole. According to the utility model, the air inflation groove is subjected to air inflation protection treatment, the air pipe is tightly contacted and supported with the arc-shaped structure at the top of the mold body under the action of the gravity of the air pipe, the air pipe can be effectively prevented from deforming in the welding process, and the air inflation volume and the air inflation time are greatly reduced as the space of the air inflation groove is small; when the tool is used for assisting welding personnel in welding the air pipe detection opening, the convenience of welding operation of the air pipe detection opening can be effectively improved, the welding machining efficiency of the air pipe detection opening can be effectively improved, and the defect rate of welded products can be reduced; the tool has the functions of positioning, auxiliary assembly, back protection inflation, auxiliary welding, heat conduction and heat dissipation, the back protection inflation amount can be effectively reduced, the cost is saved, the welding quality is improved, and workpiece deformation is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding auxiliary equipment, in particular to a welding auxiliary tooling for an air duct detection port. Background Art

[0002] The air duct is a piping system used for air transportation and distribution. The inspection port of the air duct is a common component on the air duct, which is mainly used to inspect or repair the internal conditions of the air duct.

[0003] Patent (CN217385374U) discloses a flame retardant detection port for PP air duct, including a stainless steel pipe, wherein a protrusion is fixedly connected to the middle of the upper and lower sides of the outer wall of the stainless steel pipe, and the two protrusions are symmetrically arranged and made of PP flame retardant material, and an observation slot is opened at the center of the side wall on the side where the two protrusions are separated, and the observation slot is connected to the pipe slot of the stainless steel pipe, and the inner side wall of the opening on the side where the two observation slots are separated is fixedly connected with tempered glass. The utility model is provided with an efficient and comprehensive observation structure, and two observation slots are provided, and the inner side wall of the opening on the side where the two observation slots are separated is fixedly connected with tempered glass. When the flame retardant detection port of the PP air duct is observed, compared with the single observation port structure design, the observation and detection efficiency of the flame retardant detection port of the PP air duct is higher and more comprehensive.

[0004] In the actual processing of the air duct inspection port in the above-mentioned patent document, stainless steel material is generally directly welded to the outside of the inspection port. However, due to the cylindrical structure of the air duct and the welding requirements of the inspection port, the equipment cost of using intelligent welding equipment for welding is relatively high. For small and medium-sized enterprises, manual welding is generally used to weld the air duct inspection port. However, due to the shape of the air duct welding port, manual welding of the air duct inspection port is also very inconvenient, and the technical requirements for welding personnel are high. The defective rate of welded products is high, and the processing efficiency is not high. Utility Model Content

[0005] The utility model aims to provide a duct inspection port welding auxiliary tooling to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a duct inspection port welding auxiliary tooling, including a base, a telescopic rod assembly is vertically provided on the top of the base, a rotatably connected support frame is vertically provided at the top center of the telescopic rod assembly, a mold body is horizontally provided on the top of the support frame, the top of the mold body is an arc-shaped structure, a positioning head is vertically provided on the top of the mold body, an air inlet is provided on the top of the positioning head, an air filling groove is provided on the outside of the positioning head inside the mold body, and air vents are symmetrically opened on both sides of the bottom of the outer wall of the positioning head, and the air filling groove is connected to the air inlet through the air vents.

[0007] Furthermore, the support frame is an L-shaped structure, a support shaft is vertically provided at the bottom of the support frame, and the bottom of the support shaft is rotatably connected to the top of the telescopic rod assembly.

[0008] Furthermore, the center of the cross section of the positioning head and the center of the cross section of the support shaft are located on the same vertical line.

[0009] Furthermore, the telescopic rod assembly includes a sleeve and a support rod, the support rod is movably sleeved inside the sleeve, and the bottom of the sleeve is fixedly connected to the base.

[0010] Furthermore, the top of the support rod is rotatably connected to the support shaft, and the top of the support rod is provided with a protective shell matching the support shaft.

[0011] Furthermore, a plurality of first plug holes are vertically and symmetrically provided on both sides of the outer wall of the sleeve, and a second plug hole matching the first plug hole is provided at the bottom of the outer wall of the support rod.

[0012] Furthermore, the positioning head is made of copper, the mold body is made of carbon steel, and the positioning head is threadedly connected to the mold body.

[0013] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0014] 1. The utility model provides a telescopic rod assembly, a support frame, a mold body, a positioning head, an air inlet, an air filling groove and a vent hole. The protective gas inside the air filling groove performs air filling and protection treatment on the air duct detection port in the welding process. The air duct is supported by its own gravity in close contact with the arc-shaped structure on the top of the mold body, which can effectively prevent the air duct from deforming during the welding process. Due to the small space of the air filling groove, the inflation volume and inflation time are greatly reduced. The use of this tooling to assist welders in the welding work of the air duct detection port can effectively improve the convenience of the welding operation of the air duct detection port, effectively reduce the technical requirements for welders, effectively improve the welding processing efficiency of the air duct detection port and reduce the defective rate of welding products. The tooling has the functions of positioning, auxiliary assembly, back-protection inflation, auxiliary welding, thermal conduction and heat dissipation, which can effectively reduce the back-protection inflation volume, save costs, improve welding quality, and reduce workpiece deformation.

[0015] 2. In the utility model, the base supports the bottom of the telescopic rod assembly, the telescopic rod assembly rotatably supports the bottom of the support frame, the support frame supports the mold body, and the positioning head positions and supports the air duct detection port at the top of the mold body; when in use, the base of the tooling is placed flat on the ground, the height of the telescopic rod assembly is adjusted, the height of the mold body is adjusted to a suitable level, and then the air duct to be welded is sleeved on the mold body, the air duct detection port is sleeved on the outside of the positioning head, and the positioning head supports the detection port of the air duct so that the air duct detection port is displayed upward; a protective air pipeline is connected to the air inlet hole on the top of the positioning head, and the protective air pipeline delivers the protective air into the vent through the air inlet hole of the positioning head, and then the protective air is delivered from the vent to the inside of the inflation groove on the top of the mold body, and the protective gas inside the inflation groove performs inflation protection treatment on the air duct detection port during the welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This utility model Figure 1 The enlarged schematic diagram of point A in the middle;

[0019] Figure 3 It is the front view of the utility model as a whole;

[0020] Figure 4 It is a front cross-sectional view of the utility model as a whole;

[0021] Figure 5 This utility model Figure 4 The enlarged schematic diagram of point B in the middle;

[0022] In the figure: 1. base; 2. telescopic rod assembly; 3. support shaft; 4. support frame; 5. mold body; 6. positioning head; 7. air inlet; 8. inflation groove; 9. vent; 10. sleeve; 11. support rod; 12. first socket; 13. second socket. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-Figure 5 The utility model provides a technical solution: a duct detection port welding auxiliary tooling, including a base 1, a telescopic rod assembly 2 is vertically provided on the top of the base 1, a rotatably connected support frame 4 is vertically provided at the top center of the telescopic rod assembly 2, a mold body 5 is horizontally provided on the top of the support frame 4, the top of the mold body 5 is an arc-shaped structure, a positioning head 6 is vertically provided on the top of the mold body 5, an air inlet hole 7 is provided on the top of the positioning head 6, an air charging groove 8 is provided on the outside of the positioning head 6 inside the mold body 5, and air vents 9 are symmetrically opened on both sides of the bottom of the outer wall of the positioning head 6, and the air charging groove 8 is connected with the air inlet hole 7 through the air vents 9; the support frame 4 is an L-shaped structure, a support shaft 3 is vertically provided on the bottom of the support frame 4, and the bottom of the support shaft 3 is rotatably connected to the top of the telescopic rod assembly 2; the center of the cross section of the positioning head 6 and the center of the cross section of the support shaft 3 are located on the same vertical line.

[0025] The telescopic rod assembly 2 includes a sleeve 10 and a support rod 11, the support rod 11 is movably sleeved inside the sleeve 10, the bottom of the sleeve 10 is fixedly connected to the base 1, the sleeve 10 and the support rod 11 cooperate to realize the telescopic adjustment function, and then adjust the support height of the support frame 4, which is convenient for the staff to adjust the support height of the tooling according to needs; the top of the support rod 11 is rotatably connected to the support shaft 3, and the top of the support rod 11 is provided with a protective shell matching the support shaft 3, and the support rod 11 rotatably supports the bottom of the support shaft 3 The protective shell protects the outer side of the support shaft 3; a plurality of first plug holes 12 are vertically symmetrically arranged on both sides of the outer wall of the sleeve 10, and a second plug hole 13 matching the first plug hole 12 is opened at the bottom of the outer wall of the support rod 11. The positions of the sleeve 10 and the support rod 11 can be locked by inserting the plug rod into the first plug hole 12 and the second plug hole 13 at the same time, and the locking of the sleeve 10 and the support rod 11 can be released by pulling the plug rod out of the first plug hole 12 and the second plug hole 13, and then the sleeve 10 and the support rod 11 can be telescopically adjusted.

[0026] The positioning head 6 is made of copper, and the mold body 5 is made of carbon steel. Both materials have good thermal conductivity and good heat dissipation, which can effectively ensure the heat dissipation treatment effect during welding; the positioning head 6 is threadedly connected to the mold body 5, making the installation and disassembly of the positioning head 6 more convenient and quick.

[0027] The working principle of this utility model:

[0028] Refer to the instruction manual Figure 1-Figure 5The utility model is provided with a telescopic rod assembly 2, a support frame 4, a mold body 5, a positioning head 6, an air inlet 7, an air charging groove 8 and a vent 9. The base 1 supports the telescopic rod assembly 2 at the bottom, the telescopic rod assembly 2 rotatably supports the bottom of the support frame 4, the support frame 4 supports the mold body 5, and the positioning head 6 positions and supports the air duct detection port at the top of the mold body 5; when in use, the base of the tooling is placed flat on the ground, the height of the telescopic rod assembly 2 is adjusted, the height of the mold body 5 is adjusted to a suitable level, and then the air duct to be welded is sleeved on the mold body 5, the air duct detection port is sleeved on the outside of the positioning head 6, the positioning head 6 supports the detection port of the air duct, so that the air duct detection port is displayed upward, and the support frame 4 can be moved to rotate the air duct and the positioning head 6 as a whole, so that the welding operation is more convenient; the air inlet 7 on the top of the positioning head 6 is externally connected to a protective air pipeline, and the protective air pipeline passes through the air inlet of the positioning head 6 The hole 7 delivers the shielding gas into the vent hole 9, and then the shielding gas is delivered from the vent hole 9 to the inside of the inflation groove 8 on the top of the mold body 5. The shielding gas in the inflation groove 8 performs inflation protection treatment on the air duct detection port in the welding process. The air duct is supported by its own gravity in close contact with the arc-shaped structure on the top of the mold body 5, which can effectively prevent the air duct from being deformed during the welding process. Due to the small space of the inflation groove 8, the inflation volume and inflation time are greatly reduced; using this tool to assist welders in welding the air duct detection port can effectively improve the convenience of the welding operation of the air duct detection port, can effectively reduce the technical requirements for welders, can effectively improve the welding processing efficiency of the air duct detection port and reduce the defective rate of welding products; this tool has the functions of positioning, auxiliary assembly, back protection inflation, auxiliary welding, thermal conduction and heat dissipation, can effectively reduce the back protection inflation volume, save costs, improve welding quality, and reduce workpiece deformation;

[0029] The support frame 4 is an L-shaped structure, which is combined with the horizontally arranged mold body 5 to form a sideways U-shaped structure, which is convenient for placing the air duct flat on the top of the mold body 5, so that the arc of the inner wall of the air duct fits with the arc on the top of the mold body 5, which can effectively improve the auxiliary convenience of welding. The cross-sectional center of the positioning head 6 is designed to be on the same vertical line as the cross-sectional center of the support shaft 3, so that the center of gravity distribution of the air duct on the auxiliary tooling is more reasonable, thereby ensuring the stability of the air duct on the tooling.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A duct inspection port welding auxiliary tool, comprising a base (1), characterized in that: A telescopic rod assembly (2) is vertically arranged on the top of the base (1); a rotatably connected support frame (4) is vertically arranged at the center of the top of the telescopic rod assembly (2); a mold body (5) is horizontally arranged on the top of the support frame (4); the top of the mold body (5) is an arc-shaped structure; a positioning head (6) is vertically arranged on the top of the mold body (5); an air inlet (7) is arranged on the top of the positioning head (6); an air filling groove (8) is arranged inside the mold body (5) on the outside of the positioning head (6); air vents (9) are symmetrically opened on both sides of the bottom of the outer wall of the positioning head (6); and the air filling groove (8) is connected to the air inlet (7) through the air vents (9).

2. The auxiliary welding tool for the air duct detection port according to claim 1, characterized in that: The support frame (4) is an L-shaped structure, and a support shaft (3) is vertically arranged at the bottom of the support frame (4), and the bottom of the support shaft (3) is rotatably connected to the top of the telescopic rod assembly (2).

3. The auxiliary welding tool for the air duct detection port according to claim 2, characterized in that: The center of the cross section of the positioning head (6) and the center of the cross section of the support shaft (3) are located on the same vertical line.

4. The auxiliary welding tool for the air duct detection port according to claim 2, characterized in that: The telescopic rod assembly (2) comprises a sleeve (10) and a support rod (11); the support rod (11) is movably sleeved inside the sleeve (10); and the bottom of the sleeve (10) is fixedly connected to the base (1).

5. The auxiliary welding tool for the air duct detection port according to claim 4, characterized in that: The top of the support rod (11) is rotatably connected to the support shaft (3), and the top of the support rod (11) is provided with a protective shell that matches the support shaft (3).

6. The auxiliary welding tool for the air duct detection port according to claim 4, characterized in that: A plurality of first insertion holes (12) are vertically symmetrically arranged on both sides of the outer wall of the sleeve (10), and a second insertion hole (13) matching the first insertion hole (12) is opened at the bottom of the outer wall of the support rod (11).

7. The auxiliary welding tool for the air duct detection port according to claim 1, characterized in that: The positioning head (6) is made of copper, the mold body (5) is made of carbon steel, and the positioning head (6) is threadedly connected to the mold body (5).

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