Pipe welding processing protection device

Abstract

The utility model is suitable for the technical field of pipe processing, and provides a pipe welding processing protection device which comprises a protection box, rotating mechanisms are installed on the outer walls of the two sides of the protection box, each rotating mechanism comprises a fixing ring, a rotating ring driven by a motor is rotatably installed on the fixing ring, and two pneumatic push rods are fixedly installed on the rotating ring. The telescopic ends of the two pneumatic push rods are fixedly provided with fixing blocks used for clamping pipes, the two pipes penetrate through the two rotating mechanisms correspondingly, then the two pipes are driven to rotate synchronously, and welding of the two pipes is facilitated. A purification box is fixedly mounted on the protection box, the purification box communicates with the protection box through an exhaust fan and a waste gas valve, waste gas generated during welding is conveyed into the purification box through the exhaust fan, and the waste gas is exhausted after being adsorbed and filtered through an adsorption layer in the purification box, so that the environmental protection property is higher; a mounting frame is fixedly mounted in the protection box, two hydraulic push rods are mounted on the mounting frame, and the pipe is supported through supporting seats on the hydraulic push rods.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe processing, and in particular relates to a pipe welding processing protection device. Background Art

[0002] In the current field of pipe processing technology, pipe processing requires steel plates or strips to be curled and then welded. At the same time, the processing of some pipes also requires welding two pipes to extend the length of the pipe. Pipe welding is prone to smoke, so protective devices are needed to protect operators.

[0003] The utility model patent with publication number CN208513893U discloses a stainless steel pipe welding protection device, which includes a base and a box body located above the base, the box body is composed of two opposite shells, the two sides of the shell are connected with a first rotating shaft, at least two matching blocks are arranged on the two sides of the base, the rotating shaft is matched in the through holes of the matching blocks, cylinders are arranged on the two sides of the base, the upper surface of the base is provided with two strip holes opposite to the cylinders, the strip holes are matched with card blocks, and the top of the card block is connected with a roller mechanism. The utility model provides a stainless steel pipe welding protection device, which realizes the welding processing of pipes of different diameters by automatically adjusting the distance between the roller structures. The box body has a vent hole for installing an inflation pipe, which can be filled with protective gas during the pipe welding process, and the shell of the device is an openable shell structure, which can facilitate the maintenance work when the internal parts of the device need to be repaired.

[0004] However, the above patent has the following shortcomings:

[0005] 1. The above patent uses a roller to contact the outer wall of the pipe and injects protective gas to protect the welding of the steel pipe. However, when welding two pipes, the pipes need to be rotated manually. When rotating manually, the labor intensity is high and the use is relatively stable, which reduces the welding efficiency of the two pipes.

[0006] 2. In the above patent and commonly used protective devices, after the protective cover is opened, harmful gases generated during welding are directly discharged, which is likely to cause environmental pollution and damage the health of welders. Utility Model Content

[0007] The utility model provides a pipe welding processing protection device, which aims to solve the problem that when two pipes are welded together, the pipes need to be manually rotated, which has high labor intensity and is relatively invariable to use. At the same time, harmful gases generated during welding are directly discharged, which easily causes environmental pollution.

[0008] The present utility model is realized as follows. A protection device for pipe welding processing includes a protection box, and rotary mechanisms penetrating the side walls of the protection box are installed on the outer walls of both sides of the protection box;

[0009] The rotary mechanism includes a fixed ring, the fixed ring is fixedly installed on the side wall of the protection box, and the protection box communicates with the fixed ring through a through hole;

[0010] A rotating ring is rotatably installed on the fixed ring, a conical internal gear ring is arranged on the rotating ring, a driving motor is installed on the fixed ring, and a bevel gear meshing with the internal gear ring is installed at the output end of the driving motor;

[0011] A purification mechanism for purifying waste gas is fixedly installed on the protection box.

[0012] Preferably, two pneumatic push rods are fixedly installed on the rotating ring, and the two pneumatic push rods are symmetrically arranged along the center point of the rotating ring;

[0013] Arc-shaped fixing blocks are fixedly installed at the telescopic ends of the two pneumatic push rods.

[0014] Preferably, a guide rail is installed on the protection box, and a "冂"-shaped sliding cover is slidably connected to the protection box through the guide rail, and an observation window is embedded on the sliding cover; in this solution, the protection box is opened and closed by the sliding cover.

[0015] Preferably, a plurality of operation holes are provided on the outer walls of the protection box and the sliding cover;

[0016] A plurality of fan-shaped sealing sheets are fixedly connected inside the operation holes, and the plurality of sealing sheets are evenly distributed on the inner wall of the operation holes; in this solution, operations can be carried out through the plurality of operation holes, and at the same time, the sealing performance of the fan-shaped sealing sheets improves the sealing performance of the operation holes and reduces the discharge of internal gas.

[0017] Preferably, a support frame is fixedly installed on the inner wall of the protection box, and two hydraulic push rods are fixedly installed on the support frame;

[0018] "U"-shaped support seats are fixedly installed at the telescopic ends of the two hydraulic push rods; in this solution, two pipes are supported by the two support seats, and the hydraulic push rods raise the height of the support seats to align the two pipes, facilitating the welding of the two pipes.

[0019] Preferably, the purification mechanism includes a purification box, and the purification box is installed on the protection box;

[0020] An intake valve is fixedly installed on one outer wall of the protection box, and an exhaust gas valve is installed on the other side;

[0021] The exhaust valve is connected to the exhaust fan through a pipeline, and the exhaust fan is connected to the purification box through a pipeline; in this scheme, inert gas is injected through the air intake valve, and the exhaust gas generated during welding is discharged through the exhaust valve, and the exhaust fan is used to accelerate the flow rate of air so that the gas flows into the purification box.

[0022] Preferably, an adsorption layer is provided in the purification box, and an exhaust valve is installed on the side wall of the purification box;

[0023] An inspection door is installed on the purification box; in this solution, the impurities in the exhaust gas are adsorbed by the adsorption layer inside the purification box to filter the exhaust gas.

[0024] Compared with the prior art, the utility model has the following beneficial effects: the utility model is a pipe welding processing protection device,

[0025] 1. Rotating mechanisms are installed on both sides of the outer wall of the protective box. The rotating mechanisms include a fixed ring, on which a rotating ring driven by a motor is rotatably installed. Two pneumatic push rods are fixedly installed on the rotating ring. The telescopic ends of the two pneumatic push rods are fixedly installed with fixed blocks for clamping pipes. The two pipes pass through the two rotating mechanisms respectively, thereby driving the two pipes to rotate synchronously, which is convenient for welding the two pipes;

[0026] 2. A purification box is fixedly installed on the protection box. The purification box is connected to the protection box through an exhaust fan and an exhaust valve. The exhaust gas generated during welding is transported to the purification box through the exhaust fan. The exhaust gas is adsorbed and filtered by the adsorption layer inside the purification box and then discharged, which is more environmentally friendly.

[0027] 3. A mounting frame is fixedly installed inside the protective box, and two hydraulic push rods are installed on the mounting frame. The pipe is supported by the support seat on the hydraulic push rod to improve the stability of the pipe during welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 The main view of this utility model

[0029] Figure 2 The schematic diagram of the overall structure of this utility model

[0030] Figure 3 The structural diagram of the practical support seat is shown in FIG.

[0031] Figure 4 The main view of the practical rotating mechanism

[0032] Figure 5 The schematic diagram of the structure of the practical rotating mechanism is shown in FIG.

[0033] Figure 6 This is a schematic diagram of the structure of the practical purification mechanism

[0034] Figure 7This is a schematic diagram of the structure of the practical operation hole

[0035] In the figure:

[0036] 1. Protective box; 11. Guide rail; 12. Slide cover; 13. Operation hole; 131. Sealing sheet; 14. Support frame; 141. Hydraulic push rod; 142. Support seat; 15. Intake valve; 16. Exhaust valve;

[0037] 2. Rotating mechanism; 21. Fixed ring; 22. Rotating ring; 221. Internal gear ring; 23. Pneumatic push rod; 231. Fixed block; 24. Driving motor; 241. Bevel gear;

[0038] 3. Purification mechanism; 31. Purification box; 311. Inspection door; 32. Exhaust fan; 33. Adsorption layer; 34. Exhaust valve. DETAILED DESCRIPTION

[0039] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0040] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0041] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0042] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0043] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "linkage" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0044] Please refer to Figure 1-7 , the present utility model provides a technical solution: a protection device for pipe welding and processing, including a protective box 1. Rotating mechanisms 2 penetrating the side walls of the protective box 1 are installed on the outer walls on both sides of the protective box 1. The rotating mechanism 2 includes a fixed ring 21, and the fixed ring 21 is fixedly installed on the side wall of the protective box 1. The protective box 1 communicates with the fixed ring 21 through a through hole. A rotating ring 22 is rotatably installed on the fixed ring 21. A conical internal gear ring 221 is arranged on the rotating ring 22. A driving motor 24 is installed on the fixed ring 21. A bevel gear 241 meshing with the internal gear ring 221 is installed at the output end of the driving motor 24. Two pneumatic push rods 23 are fixedly installed on the rotating ring 22. The two pneumatic push rods 23 are symmetrically arranged along the center point of the rotating ring 22. Arc-shaped fixing blocks 231 are fixedly installed at the telescopic ends of the two pneumatic push rods 23.

[0045] Among them, two pipes respectively pass through the corresponding rotating rings 22 and fixed rings 21 and are inserted into the interior of the protective box 1. By the elongation of the telescopic ends of the two pneumatic push rods 23, the outer walls of the pipes are abutted by the two fixing blocks 231 to fix the pipes. The driving motor 24 drives the internal gear ring 221 to rotate through gear transmission, and then drives the rotating ring 22 to rotate, driving the two pipes to rotate, which is convenient for welding them. At the same time, the two driving motors 24 are controlled by a synchronous controller, and the two rotating rings 22 rotate synchronously.

[0046] A guide rail 11 is installed on the protective box 1. A "冂"-shaped sliding cover 12 is slidably connected to the protective box 1 through the guide rail 11. An observation window is embedded on the sliding cover 12. A plurality of operation holes 13 are arranged on the outer walls of the protective box 1 and the sliding cover 12. A plurality of fan-shaped sealing sheets 131 are fixedly connected inside the operation holes 13. The plurality of sealing sheets 131 are evenly distributed on the inner wall of the operation holes 13.

[0047] Furthermore, the sliding cover 12 slides through the guide rail 11. At the same time, a handle is installed on the sliding cover 12, which is convenient for opening and closing the sliding cover 12. And the observation window can be made of ink-colored glass, which is convenient for observing the welding from the outside. At the same time, through the plurality of operation holes 13, the interior of the protective box 1 is penetrated to weld the pipes. The plurality of sealing sheets 131 improve the sealing performance of the operation holes 13 and reduce the leakage of internal gas.

[0048] A support frame 14 is fixedly mounted on the inner wall of the protection box 1 , and two hydraulic push rods 141 are fixedly mounted on the support frame 14 . A “U”-shaped support seat 142 is fixedly mounted on the telescopic ends of the two hydraulic push rods 141 .

[0049] Specifically, the two hydraulic push rods 141 drive the support seat 142 to move longitudinally by extending and retracting the telescopic ends. The two "U"-shaped support seats 142 are used to support two pipes so that the two pipes are aligned to facilitate welding of the two pipes.

[0050] The purification mechanism 3 is used for purifying the exhaust gas. The purification mechanism 3 is fixedly installed on the protection box 1. The purification mechanism 3 includes a purification box 31. The purification box 31 is installed on the protection box 1. An air intake valve 15 is fixedly installed on the outer wall of one side of the protection box 1, and an exhaust valve 16 is installed on the other side. The exhaust valve 16 is connected to the exhaust fan 32 through a pipeline, and the exhaust fan 32 is connected to the purification box 31 through a pipeline. An adsorption layer 33 is arranged in the purification box 31, and an exhaust valve 34 is installed on the side wall of the purification box 31. An inspection door 311 is installed on the purification box 31.

[0051] It should be noted that inert gas is injected into the interior of the protective box 1 through the air inlet valve 15 to protect the welding, and the exhaust valve 16 is opened. The exhaust fan 32 transports the exhaust gas inside the protective box 1 to the interior of the purification box 31, and adsorbs it through the adsorption layer 33. The adsorption layer 33 can be an activated carbon layer. The adsorption property of the activated carbon is used to adsorb impurities in the exhaust gas, and the exhaust gas is discharged through the exhaust valve 34. At the same time, the inspection door 311 can be opened to replace the adsorption layer 33.

[0052] The working principle and use process of this utility model: please refer to Figure 1-7 , the two pipes pass through the corresponding rotating ring 22 and the fixed ring 21 respectively, and are inserted into the interior of the protection box 1. The two pneumatic push rods 23 extend the telescopic end and use the two fixed blocks 231 to resist the outer wall of the pipe to fix the pipe. The driving motor 24 drives the inner gear ring 221 to rotate through the gear transmission, and then drives the rotating ring 22 to rotate, and drives the two pipes to rotate. The two hydraulic push rods 141 drive the support seat 142 to move longitudinally through the extension of the telescopic end. The two "U"-shaped support seats 142 are used to support the two pipes so that the two pipes are aligned. Multiple operating holes 13 penetrate into the interior of the protection box 1 to weld the pipes. Inert gas is injected into the interior of the protection box 1 through the intake valve 15 to protect the welding. The exhaust valve 16 is opened, and the exhaust fan 32 transports the exhaust gas inside the protection box 1 to the interior of the purification box 31, and adsorbs it through the adsorption layer 33. The adsorption layer 33 can be an activated carbon layer. The adsorption property of the activated carbon is used to adsorb impurities in the exhaust gas, and the exhaust valve 34 is used to discharge it.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe welding processing protection device, characterized in that: It includes a protective box (1), and rotary mechanisms (2) penetrating the side walls of the protective box (1) are installed on the outer walls on both sides of the protective box (1); The rotary mechanism (2) includes a fixed ring (21), the fixed ring (21) is fixedly installed on the side wall of the protective box (1), and the protective box (1) communicates with the fixed ring (21) through a through hole; A rotating ring (22) is rotatably installed on the fixed ring (21), a conical internal gear ring (221) is arranged on the rotating ring (22), a driving motor (24) is installed on the fixed ring (21), and a bevel gear (241) meshing with the internal gear ring (221) is installed at the output end of the driving motor (24); A purification mechanism (3) for purifying waste gas, the purification mechanism (3) is fixedly installed on the protective box (1).

2. A pipe welding processing protection device as claimed in claim 1, characterized in that: Two pneumatic push rods (23) are fixedly installed on the rotating ring (22), and the two pneumatic push rods (23) are symmetrically arranged along the center point of the rotating ring (22); Arc-shaped fixing blocks (231) are fixedly installed at the telescopic ends of the two pneumatic push rods (23).

3. A pipe welding processing protection device as claimed in claim 1, characterized in that: A guide rail (11) is installed on the protective box (1), and a "冂”-shaped sliding cover (12) is slidably connected to the protective box (1) through the guide rail (11), and an observation window is embedded on the sliding cover (12).

4. A pipe welding processing protection device as claimed in claim 3, characterized in that: A plurality of operation holes (13) are arranged on the outer walls of the protective box (1) and the sliding cover (12); A plurality of fan-shaped sealing pieces (131) are fixedly connected inside the operation holes (13), and the plurality of sealing pieces (131) are evenly distributed on the inner wall of the operation holes (13).

5. A pipe welding processing protection device as claimed in claim 1, characterized in that: A support frame (14) is fixedly installed on the inner wall of the protective box (1), and two hydraulic push rods (141) are fixedly installed on the support frame (14); "U”-shaped support seats (142) are fixedly installed at the telescopic ends of the two hydraulic push rods (141).

6. A pipe welding processing protection device as claimed in claim 1, characterized in that: The purification mechanism (3) includes a purification box (31), and the purification box (31) is installed on the protective box (1); An intake valve (15) is fixedly installed on one side outer wall of the protective box (1), and an exhaust gas valve (16) is installed on the other side; The exhaust gas valve (16) is communicated with an exhaust fan (32) through a pipeline, and the exhaust fan (32) is communicated with the purification box (31) through a pipeline.

7. A pipe welding processing protection device as claimed in claim 6, characterized in that: An adsorption layer (33) is arranged inside the purification box (31), and an exhaust valve (34) is installed on the side wall of the purification box (31); An inspection door (311) is installed on the purification box (31).

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