Pipe welding protection tool

Abstract

The utility model discloses a pipe welding protection tool which comprises a pipe welding machine and a welding protection frame, a base is arranged below the pipe welding machine, the welding protection frame is arranged at the front end of the base, and side sealing plates are arranged on the two sides of the welding protection frame. A left half end protection door and a right half end protection door are arranged on the two sides of the front end of the welding protection frame correspondingly, a positioning groove is formed in the lower portion of the front end of the left half end protection door, an opening and closing air cylinder is arranged in the middle of the interior of the positioning groove, a piston rod is arranged in the opening and closing air cylinder, and an assembling plate is arranged at one end of the piston rod. The adjustable plates are arranged at the tops of the left half-end protective door and the right half-end protective door, the adjustable plates can be adjusted front and back according to use requirements to be of an inclined structure, electric welding arc light can be completely blocked, the requirement for dead-corner-free protection is met, the electric welding arc light is prevented from splashing to eyes, the face or the neck, and the safety is improved. Therefore, the protection effect is improved.

Description

Technical Field

[0001] The utility model relates to the relevant field of pipe welding, in particular to a pipe welding protective tooling. Background Art

[0002] Pipes are materials used to make pipe fittings. Different pipe fittings require different pipes. The quality of the pipes directly determines the quality of the pipe fittings. Construction projects, power plants, chemical plants, etc. often use such pipes. Pipes are necessary materials for construction projects. Commonly used ones include water pipes, drainage pipes, gas pipes, heating pipes, wire conduits, rainwater pipes, etc. With the development of science and technology, the pipes used in home decoration have also experienced the development process of ordinary cast iron pipes → cement pipes → (reinforced concrete pipes, asbestos cement pipes) → ductile iron pipes, galvanized steel pipes → plastic pipes and aluminum-plastic composite pipes.

[0003] The existing technology still has certain disadvantages in the process of pipe welding. When welding pipes, a strong electric welding arc will be generated. The structure of the ordinary protection mechanism is relatively simple. Since the height of the electric welding arc splashes is different, the higher electric welding arc is easy to splash out, causing burns to the welder's face, eyes or neck, and the protection effect is poor. Utility Model Content

[0004] The purpose of the present utility model is to provide a pipe welding protective tooling to solve the problem proposed in the above background technology that when welding pipes, strong electric welding arc light will be generated. The structure of the ordinary protective mechanism is relatively simple. Since the height of the electric welding arc light splashes is different, the higher the electric welding arc light, the easier it is to splash out, causing burns to the welder's face, eyes or neck, and the poor protection effect.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a pipe welding protection tool, comprising a pipe welding machine and a welding protection frame, a base is provided under the pipe welding machine, the welding protection frame is arranged at the front end of the base, side sealing plates are provided on both sides of the welding protection frame, a left half-end protection door and a right half-end protection door are respectively provided on both sides of the front end of the welding protection frame, a positioning groove is provided under the front end of the left half-end protection door, an opening and closing cylinder is provided in the middle position inside the positioning groove, a piston rod is provided inside the opening and closing cylinder, an assembly plate is provided at one end of the piston rod, an adjustable plate is provided on the top of the left half-end protection door, a sealing strip is provided at the edge position of the inner side surface of the left half-end protection door, a transparent glass layer is provided inside the left half-end protection door, and a fixed handle is provided on the inner side of the front end of the left half-end protection door.

[0006] In a further embodiment, the welding protection frame is fixedly connected to the base by a first fixing bolt, a gasket is provided at one end of the first fixing bolt, and the welding protection frame is connected to the side sealing plate by welding.

[0007] In a further embodiment, the adjustable plate is fixedly connected to the left half protective door by an angle adjustment bolt, and the rear end of the left half protective door is slidably connected to the welding protection frame by a limiting slide groove and a limiting slider, and the structure of the left half protective door is the same as that of the right half protective door.

[0008] In a further embodiment, a plurality of heat dissipation openings are provided inside the side sealing plate, and the side sealing plate is made of stainless steel.

[0009] In a further embodiment, one end of the piston rod is connected to the side sealing plate via an assembly plate, and the assembly plate and the side sealing plate are fixedly connected via a third fixing bolt.

[0010] In a further embodiment, the side sealing plate is connected to the positioning groove through a guide positioning rod, the guide positioning rod and the side sealing plate are connected by welding, and the guide positioning rod and the positioning groove are connected by sliding, and the opening and closing cylinder and the positioning groove are fixedly connected by a second fixing bolt.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. In this utility model, adjustable plates are provided on the top of the left half protective door and the right half protective door. The adjustable plates can be adjusted forward and backward according to the use requirements to make them inclined, which can completely block the welding arc light and meet the requirements of no blind angle protection, avoiding the welding arc light from splashing to the eyes, face or neck, thereby improving the protection effect. In addition, the left half protective door and the right half protective door are driven by the opening and closing cylinder to achieve the effect of automatic opening and closing, and the operation is more labor-saving and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a structural diagram of a pipe welding protection tooling of the present utility model;

[0014] Figure 2 This is a schematic diagram of the cross-sectional structure of the welding protection frame of the present invention;

[0015] Figure 3 This is a side view of the left half of the protective door of the present invention;

[0016] Figure 4 It is a side view of the side sealing plate of the present invention;

[0017] Figure 5 This is a structural diagram of the opening and closing cylinder of the utility model.

[0018] In the figure: 1. Pipe welding machine; 2. Base; 3. Welding protection frame; 4. Side sealing plate; 5. First fixing bolt; 6. Piston rod; 7. Opening and closing cylinder; 8. Positioning groove; 9. Guide positioning rod; 10. Second fixing bolt; 11. Left half protective door; 12. Angle adjustment bolt; 13. Transparent glass layer; 14. Adjustable plate; 15. Heat dissipation vent; 16. Right half protective door; 17. Fixed handle; 18. Limit slider; 19. Gasket; 20. Sealing strip; 21. Limit slide groove; 22. Assembly plate; 23. Third fixing bolt. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] See also Figure 1-5 The utility model provides an embodiment of a pipe welding protection tool, comprising a pipe welding machine 1 and a welding protection frame 3, a base 2 is provided at the bottom of the pipe welding machine 1, the welding protection frame 3 is provided at the front end of the base 2, side sealing plates 4 are provided on both sides of the welding protection frame 3, a left half-end protection door 11 and a right half-end protection door 16 are provided on both sides of the front end of the welding protection frame 3, a positioning groove 8 is provided at the bottom of the front end of the left half-end protection door 11, an opening and closing cylinder 7 is provided in the middle position inside the positioning groove 8, a piston rod 6 is provided inside the opening and closing cylinder 7, an assembly plate 22 is provided at one end of the piston rod 6, an adjustable plate 14 is provided on the top of the left half-end protection door 11, a sealing strip 20 is provided at the edge of the inner side of the left half-end protection door 11, and a transparent glass layer 13 is provided inside the left half-end protection door 11 , a fixed handle 17 is provided on the inner side of the front end of the left half protective door 11; the base 2 is used to increase the stability of the pipe welding machine 1, and the welding protection frame 3 is used to assemble and fix the left half protective door 11 and the right half protective door 16, and the left half protective door 11 and the right half protective door 16 are used to seal the front end of the pipe welding machine 1, and the positioning groove 8 is used to hide the opening and closing cylinder 7, and the opening and closing cylinder 7 is used to provide power to the left half protective door 11 and the right half protective door 16 to automatically open and close, and the adjustable plate 14 is used to adjust the inclination angle of the top of the left half protective door 11 and the right half protective door 16 to improve the blocking effect of the electric welding arc, and the transparent glass layer 13 is used to facilitate observation of the interior, and the fixed handle 17 is used to facilitate handheld operation.

[0021] The welding protection frame 3 is fixedly connected to the base 2 by a first fixing bolt 5, one end of which is provided with a gasket 19, and the welding protection frame 3 is connected to the side sealing plate 4 by welding, and the first fixing bolt 5 is used to install and fix the welding protection frame 3 to the base 2.

[0022] The adjustable plate 14 is fixedly connected to the left half protective door 11 through an angle adjustment bolt 12, and the rear end of the left half protective door 11 is slidingly connected to the welding protection frame 3 through a limiting slide groove 21 and a limiting slider 18, and the left half protective door 11 has the same structure as the right half protective door 16, and the angle adjustment bolt 12 is used to fix the adjusted position of the adjustable plate 14.

[0023] The side sealing plate 4 is provided with multiple heat dissipation vents 15 inside, and the side sealing plate 4 is made of stainless steel. The heat dissipation vents 15 are used to increase the air permeability inside the side sealing plate 4; one end of the piston rod 6 is connected to the side sealing plate 4 through an assembly plate 22, and the assembly plate 22 is fixedly connected to the side sealing plate 4 through a third fixing bolt 23, and the assembly plate 22 is used to install and fix one end of the piston rod 6 to the side sealing plate 4.

[0024] The side sealing plate 4 is connected to the positioning groove 8 through a guide positioning rod 9, the guide positioning rod 9 is connected to the side sealing plate 4 by welding, and the guide positioning rod 9 is connected to the positioning groove 8 by sliding, and the opening and closing cylinder 7 is fixedly connected to the positioning groove 8 by a second fixing bolt 10. The guide positioning rod 9 is used to guide and position the opening and closing positions of the left half-end protective door 11 and the right half-end protective door 16, and the second fixing bolt 10 is used to install and fix the opening and closing cylinder 7 to the positioning groove 8.

[0025] Working principle: When in use, the welding protection frame 3 is installed and fixed to the front end of the base 2 by the first fixing bolt 5, so that the left half-end protection door 11 and the right half-end protection door 16 are located at the front end of the pipe welding machine 1, and the adjustable plate 14 is adjusted forward and backward according to the path of the electric welding arc so that the adjustable plate 14 is at the required inclination angle, fixed by the angle adjustment bolt 12, and the left half-end protection door 11 and the right half-end protection door 16 are driven to open to both sides by the opening and closing cylinder 7, and the pipe is placed on the pipe welding machine 1 for welding, and the left half-end protection door 11 and the right half-end protection door 16 are driven to close inward by the opening and closing cylinder 7, and the closed gap is sealed by the sealing strip 20, and the welding process is inspected through the transparent glass layer 13, and the electric welding arc is blocked by the left half-end protection door 11 and the right half-end protection door 16 to improve the protection of the welder.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A pipe welding protective tool, comprising a pipe welding machine (1) and a welding protection frame (3), characterized in that: A base (2) is provided below the pipe welding machine (1), the welding protection frame (3) is provided at the front end of the base (2), side sealing plates (4) are provided on both sides of the welding protection frame (3), a left half-end protection door (11) and a right half-end protection door (16) are provided on both sides of the front end of the welding protection frame (3), a positioning groove (8) is provided below the front end of the left half-end protection door (11), an opening and closing cylinder (7) is provided in the middle position inside the positioning groove (8), a piston rod (6) is provided inside the opening and closing cylinder (7), an assembly plate (22) is provided at one end of the piston rod (6), an adjustable plate (14) is provided at the top of the left half-end protection door (11), a sealing strip (20) is provided at the edge position of the inner side surface of the left half-end protection door (11), a transparent glass layer (13) is provided inside the left half-end protection door (11), and a fixed handle (17) is provided on the inner side of the front end of the left half-end protection door (11).

2. The pipe welding protective tooling according to claim 1, characterized in that: The welding protection frame (3) is fixedly connected to the base (2) via a first fixing bolt (5), one end of the first fixing bolt (5) is provided with a gasket (19), and the welding protection frame (3) is connected to the side sealing plate (4) by welding.

3. The pipe welding protective tool according to claim 1, characterized in that: The adjustable plate (14) is fixedly connected to the left half-end protective door (11) via an angle adjustment bolt (12), and the rear end of the left half-end protective door (11) is slidably connected to the welding protection frame (3) via a limiting sliding groove (21) and a limiting slider (18), and the left half-end protective door (11) and the right half-end protective door (16) have the same structure.

4. The pipe welding protective tool according to claim 1, characterized in that: The side sealing plate (4) is provided with a plurality of heat dissipation openings (15) inside, and the side sealing plate (4) is made of stainless steel.

5. The pipe welding protective tool according to claim 1, characterized in that: One end of the piston rod (6) is connected to the side sealing plate (4) via an assembly plate (22), and the assembly plate (22) and the side sealing plate (4) are fixedly connected via a third fixing bolt (23).

6. The pipe welding protective tool according to claim 1, characterized in that: The side sealing plate (4) is connected to the positioning groove (8) via a guide positioning rod (9), the guide positioning rod (9) is connected to the side sealing plate (4) by welding, and the guide positioning rod (9) is connected to the positioning groove (8) by sliding, and the opening and closing cylinder (7) is fixedly connected to the positioning groove (8) via a second fixing bolt (10).

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