Welding device and process for boiler seam

Abstract

The invention discloses a boiler joint welding device and process, and relates to the technical field of welding positioning. According to the welding device and process for the boiler seam, through cooperation of the concave bearing frame and the arc-shaped bearing frame, bearing and driving operation on the boiler body can be completed, welding and seam eliminating treatment on the seam of the boiler body are achieved, meanwhile, through operation of the driving roller in the operation process, the boiler body can be driven to rotate in the arc-shaped bearing frame, and the welding efficiency is improved. All-directional welding and seam eliminating treatment on the boiler body are achieved, on one hand, the welding and seam eliminating device can be suitable for conducting machining operation on boiler bodies of different sizes, the application range of equipment is widened, and meanwhile the welding and seam eliminating effects are guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of welding positioning, in particular to a welding device and process for a boiler seam. Background Art

[0002] In the process of boiler production, welding rods are needed to weld the outside of the boiler, so that the boiler is more convenient to use. Problems such as gaps in the welding process need to be processed through secondary welding. Referring to the Chinese patent, the announcement number is "CN215146231U" "Boiler welding positioning mechanism capable of eliminating welding gaps". The patent points out that the current manual welding and seam elimination method of the boiler is relatively cumbersome; but the equipment still has the problems of small application range and low operating efficiency. In this regard, we propose a welding device and process for boiler seams to solve the above problems. Summary of the invention

[0003] In view of the deficiencies of the prior art, the present invention provides a welding device and process for a boiler joint, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A welding device for boiler joints, comprising a bearing base plate, both sides of the top surface of the bearing base plate are slidably connected with concave bearing frames, an arc bearing frame is fixedly installed inside the concave bearing frame, and the arc bearing frame is used to support the boiler body; A welding plate frame is fixedly installed on the top surface of the carrier substrate, and the installation position of the welding plate frame is located below the arc-shaped carrier frame, and the arc-shaped carrier frame is slidably connected to the welding plate frame. A transmission notch is opened inside the welding plate frame, and a driving module is installed inside the transmission notch. A welding module is installed above the driving module, and the driving module is used to drive the welding module to move along the opening direction of the transmission notch to weld and eliminate the seams on the outer surface of the boiler body; Both sides of the inner part of the arc-shaped bearing frame are rotatably connected with driving rollers, and the driving rollers are used to carry the boiler body and drive the boiler body to rotate, so as to achieve all-round welding and seam elimination treatment on the outer surface of the boiler body; A driving assembly is provided between the supporting base plate and the concave supporting frame, which is used to drive the two concave supporting frames and the arc-shaped supporting frame, so that the spacing between the arc-shaped supporting frames is adjusted to match the size of the boiler body.

[0005] Preferably, positioning cylinder frames are fixedly installed on both sides of the top surface of the concave carrier frame, and a piston push rod is slidably connected inside the positioning cylinder frame. The end of the piston push rod is rotatably connected to a side limiting roller, and the side limiting roller is used to move toward the boiler body along with the piston push rod to realize the limiting operation of the boiler body.

[0006] Preferably, a connecting tube is fixedly installed at the end of the positioning cylinder frame, and the connecting tube is used to be connected to a driving source to drive the piston push rod to operate inside the positioning cylinder frame.

[0007] Preferably, a support spring is fixedly installed between the end of the piston push rod and the inside of the positioning cylinder frame for driving the piston push rod to reset, and a pressure relief valve is fixedly installed at the end of the positioning cylinder frame.

[0008] Preferably, limiting grooves are symmetrically provided on both sides of the interior of the supporting substrate, and sliders are fixedly installed on both sides of the bottom of the concave supporting frame. The sliders are slidably installed inside the limiting grooves. A plurality of positioning bolts are provided inside the concave supporting frame for locking the arc-shaped supporting frame, and side baffles are fixedly installed on the outer side of the concave supporting frame.

[0009] Preferably, the driving assembly includes a transmission screw, a transmission plate frame is fixedly installed on the outer side of the concave carrier frame, the transmission screw is rotatably installed inside the carrier base plate, a threaded sleeve is fixedly installed inside the transmission plate frame, the threaded sleeve is sleeved on the outer side of the corresponding transmission screw and meshed with it, and a motor is installed on the outer side of the carrier base plate to drive the transmission screw to operate.

[0010] Preferably, limiting sliding bars are fixedly installed on both sides of the interior of the supporting base plate, and the limiting sliding bars penetrate the transmission plate frame and are slidably connected thereto.

[0011] Preferably, the arc-shaped carrier frame is internally rotatably connected to two drive shafts, the drive roller is fixedly sleeved on the outer sides of the corresponding drive shafts, a transmission belt is rotatably connected between the two drive shafts, a drive motor is fixedly installed at the bottom of the arc-shaped carrier frame, and a drive belt is rotatably connected between the output end of the drive motor and the end of the corresponding drive shaft.

[0012] Preferably, an elastic collecting net is provided above the supporting base plate, and the elastic collecting net is fixedly installed between two concave supporting frames to collect welding slag dropped during operation.

[0013] Preferably, a welding process for a boiler joint is based on the welding device according to any one of claims 1 to 9, characterized in that it specifically comprises the following steps: S1. The two concave bearing frames are driven to move inside the bearing base plate by the driving screw until the spacing between the two concave bearing frames matches the size of the boiler body to be welded. After the adjustment is completed, the boiler body is hoisted by the hoisting equipment until the two ends of the boiler body are respectively located inside the concave bearing frames on both sides, and the two arc-shaped bearing frames realize the bearing; S2. When the boiler body is placed on the arc-shaped carriers on both sides, the driving module is operated to drive the welding module to slide along the opening direction of the transmission slot. At this time, the welding module is located directly below the boiler body, and the outer surface of the boiler body can be welded and the seam can be eliminated; S3. When the boiler body is placed above the arc-shaped support frames on both sides, the driving rollers installed inside the arc-shaped support frames can contact the bottom of the boiler body. At this time, the operation of the driving motor can drive the driving shaft and the driving rollers to rotate, thereby driving the boiler body to rotate inside the arc-shaped support frames, thereby realizing all-round welding and seam elimination processing of the outer surface of the boiler body.

[0014] The present invention provides a welding device and process for boiler joints. Compared with the prior art, the welding device and process have the following beneficial effects: (1) The welding device and process of the boiler joint can complete the bearing and driving operation of the boiler body through the cooperation of the concave bearing frame and the arc-shaped bearing frame, and realize the welding and seam elimination of the gap of the boiler body. At the same time, during the operation, the operation of the driving roller can drive the boiler body to rotate inside the arc-shaped bearing frame, so as to realize the all-round welding and seam elimination of the boiler body. On the one hand, it can be suitable for processing operations on boiler bodies of different sizes, thereby improving the application range of the equipment and ensuring the welding and seam elimination effects.

[0015] (2) The welding device and process of the boiler joint are characterized by the setting of the side limiting rollers. When the piston push rod drives the side limiting rollers to contact the surface of the boiler body, the boiler body can be pushed so that the boiler body can be located in the middle of the top surface of the arc-shaped support frame, thereby ensuring the subsequent welding effect. At the same time, the side limiting rollers and the driving rollers on both sides cooperate to limit the boiler body and ensure the stability of subsequent welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 For the present invention Figure 1 Side view; Figure 3 It is a schematic diagram of the cross-sectional structure of the carrier substrate of the present invention; Figure 4 For the present invention Figure 3 Side view; Figure 5 For the present invention Figure 4 The enlarged structural diagram at A in the middle; Figure 6 It is a schematic cross-sectional structure diagram of a concave bearing frame of the present invention; Figure 7 For the present invention Figure 6 The enlarged structural diagram at B in the middle; Figure 8 It is a schematic cross-sectional structure diagram of the positioning cylinder frame of the present invention.

[0017] In the figure: 1. supporting base plate; 101. limiting notch; 2. concave supporting frame; 201. positioning bolt; 202. side baffle; 203. slider; 3. transmission plate frame; 301. threaded sleeve; 4. arc-shaped supporting frame; 5. boiler body; 6. limiting slide bar; 7. welding plate frame; 701. transmission notch; 8. welding module; 801. driving module; 9. transmission screw; 10. elastic collecting net; 11. positioning cylinder frame; 1101. connecting pipe; 1102. piston push rod; 1103. side limiting roller; 1104. supporting spring; 1105. pressure relief valve; 12. driving shaft; 1201. driving roller; 1202. driving belt; 13. driving motor; 1301. driving belt. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] See also Figure 1-Figure 8 The present invention provides two technical solutions, which specifically include the following embodiments: Embodiment 1: In an embodiment of the present invention, a welding device for a boiler joint includes a supporting base plate 1, both sides of the top surface of the supporting base plate 1 are slidably connected with a concave supporting frame 2, an arc-shaped supporting frame 4 is fixedly installed inside the concave supporting frame 2, and the arc-shaped supporting frame 4 is used to support a boiler body 5; Specifically, refer to Figure 1-Figure 8 When welding and eliminating seams on the boiler body 5, the boiler body 5 is first hoisted by hoisting equipment until both ends of the boiler body 5 are located inside the concave bearing frames 2 on both sides, and the two arc-shaped bearing frames 4 realize the bearing; Further, a welding plate frame 7 is fixedly installed on the top surface of the supporting substrate 1, and the installation position of the welding plate frame 7 is located below the arc-shaped supporting frame 4, and the arc-shaped supporting frame 4 is slidably connected to the welding plate frame 7, and a transmission slot 701 is opened inside the welding plate frame 7, and a driving module 801 is installed inside the transmission slot 701, and a welding module 8 is installed above the driving module 801, and the driving module 801 is used to drive the welding module 8 to move along the opening direction of the transmission slot 701, so as to weld and eliminate the seams on the outer surface of the boiler body 5; Specifically, the welding module 8 is an existing device, which is used to weld and eliminate seams on the boiler body 5, and will not be described in detail here; Specifically, the driving module 801 is an existing driving member, and a separate motor is used as a driving source to drive the welding module 8 to complete the translation operation. The driving module 801 and the transmission slot 701 complete the transmission by means of gear and tooth meshing, which will not be described in detail here. Furthermore, both sides of the arc-shaped support frame 4 are rotatably connected with driving rollers 1201, and the driving rollers 1201 are used to support the boiler body 5 and drive the boiler body 5 to rotate, so as to achieve all-round welding and seam elimination treatment on the outer surface of the boiler body 5; Specifically, through the cooperation of the concave bearing frame 2 and the arc-shaped bearing frame 4, the bearing and driving operation of the boiler body 5 can be completed, and the welding and seam elimination processing of the gap of the boiler body 5 can be realized. At the same time, during the operation, the operation of the driving roller 1201 can drive the boiler body 5 to rotate inside the arc-shaped bearing frame 4 to realize all-round welding and seam elimination processing. On the one hand, it can be applicable to the processing operation of boiler bodies 5 of different sizes, which improves the applicable scope of the equipment and ensures the welding and seam elimination effect. Specifically, a driving assembly is provided between the supporting base plate 1 and the concave supporting frame 2, which is used to drive the two concave supporting frames 2 and the arc-shaped supporting frame 4, so that the spacing between the arc-shaped supporting frames 4 is adjusted to match the size of the boiler body 5, thereby ensuring the applicable scope of the equipment; Specifically, positioning cylinder frames 11 are fixedly installed on both sides of the top surface of the concave bearing frame 2, and a piston push rod 1102 is slidably connected inside the positioning cylinder frame 11. The end of the piston push rod 1102 is rotatably connected to a side limiting roller 1103. The side limiting roller 1103 is used to move toward the boiler body 5 along with the piston push rod 1102 to achieve the limiting operation of the boiler body 5. Specifically, when the piston push rod 1102 drives the side limiting roller 1103 to contact the surface of the boiler body 5, the boiler body 5 can be pushed so that the boiler body 5 can be located in the middle of the top surface of the arc-shaped support frame 4, thereby ensuring the subsequent welding effect. At the same time, the side limiting rollers 1103 on both sides and the driving roller 1201 cooperate to limit the position of the boiler body 5, thereby ensuring the stability of the subsequent welding. Specifically, a connecting tube 1101 is fixedly installed at the end of the positioning cylinder frame 11, and the connecting tube 1101 is used to connect to a driving source to drive the piston push rod 1102 to operate inside the positioning cylinder frame 11. The driving source is an existing negative pressure device, and the negative pressure device and the connecting tube 1101 are connected through a conduit, which will not be described in detail here; Specifically, a support spring 1104 is fixedly installed between the end of the piston push rod 1102 and the interior of the positioning cylinder frame 11, which is used to drive the piston push rod 1102 to reset. A pressure relief valve 1105 is fixedly installed at the end of the positioning cylinder frame 11. When the operation is completed, as the pressure relief valve 1105 is opened, the piston push rod 1102 can drive the side limit roller 1103 to reset through the cooperation of the support spring 1104. Specifically, the inner sides of the carrier substrate 1 are symmetrically provided with limiting slots 101, the bottom sides of the concave carrier frame 2 are fixedly installed with sliders 203, the sliders 203 are slidably installed inside the limiting slots 101, a plurality of positioning bolts 201 are arranged inside the concave carrier frame 2, which are used to lock the arc-shaped carrier frame 4, and the outer side of the concave carrier frame 2 is fixedly installed with side baffles 202, which are used to limit the ends of the boiler body 5; Specifically, the driving assembly includes a transmission screw 9, a transmission plate frame 3 is fixedly installed on the outer side of the concave carrier 2, the transmission screw 9 is rotatably installed inside the carrier base plate 1, a threaded sleeve 301 is fixedly installed inside the transmission plate frame 3, the threaded sleeve 301 is sleeved on the outer side of the corresponding transmission screw 9 and meshes with it, and a motor is installed on the outer side of the carrier base plate 1 to drive the transmission screw 9 to operate, so that the concave carrier 2 and the transmission plate frame 3 can realize translation operation inside the carrier base plate 1 through the rotation of the transmission screw 9; Specifically, the inner sides of the carrier substrate 1 are fixedly installed with limit slide bars 6, which penetrate the transmission plate frame 3 and are slidably connected thereto, and the limit slide bars 6 are used to ensure the running stability of the concave carrier frame 2; Specifically, the arc-shaped carrier frame 4 is rotatably connected to two drive shafts 12, and a drive roller 1201 is fixedly sleeved on the outer side of the corresponding drive shaft 12. A transmission belt 1202 is rotatably connected between the two drive shafts 12. A drive motor 13 is fixedly installed at the bottom of the arc-shaped carrier frame 4, and a drive belt 1301 is rotatably connected between the output end of the drive motor 13 and the end of the corresponding drive shaft 12. When the drive motor 13 is running, the drive shaft 12 can be driven to run through the cooperation of the drive belt 1301, so that the drive roller 1201 can be driven to rotate inside the corresponding arc-shaped carrier frame 4 to realize the driving operation of the boiler body 5. As the boiler body 5 rotates inside the arc-shaped carrier frame 4, the position to be welded can be adjusted to the bottom, that is, the position adapted to the welding module 8, and then the outer surface of the boiler body 5 can be welded. As the drive roller 1201 runs and drives the boiler body 5 to rotate inside the arc-shaped carrier frame 4, the position to be welded on the outer surface of the boiler body 5 can be adjusted, thereby realizing all-round welding and seam elimination treatment on the outer surface of the boiler body 5. An elastic collecting net 10 is provided above the supporting substrate 1. The elastic collecting net 10 is fixedly installed between the two concave supporting frames 2 and is used to collect the welding slag dropped during the operation. The elastic collecting net 10 can be extended with the movement of the two concave supporting frames 2 to collect the welding slag and improve the maintenance convenience of the equipment.

[0020] Embodiment 2: The present invention also discloses a welding process for a boiler joint, based on the above-mentioned welding device, which specifically includes the following steps: S1. The transmission screw 9 is operated to drive the two concave bearing frames 2 to move inside the bearing substrate 1 until the spacing between the two concave bearing frames 2 matches the size of the boiler body 5 to be welded. After the adjustment is completed, the boiler body 5 is hoisted by the hoisting equipment until the two ends of the boiler body 5 are respectively located inside the concave bearing frames 2 on both sides, and the two arc-shaped bearing frames 4 realize the bearing; S2. When the boiler body 5 is placed on the arc-shaped carriers 4 on both sides, the driving module 801 is operated to drive the welding module 8 to slide along the opening direction of the transmission notch 701. At this time, the welding module 8 is located directly below the boiler body 5, and the outer surface of the boiler body 5 can be welded and the seam can be eliminated. S3. When the boiler body 5 is placed above the arc-shaped support frames 4 on both sides, the driving roller 1201 installed inside the arc-shaped support frame 4 can contact the bottom of the boiler body 5. At this time, the operation of the driving motor 13 can drive the driving shaft 12 and the driving roller 1201 to rotate, thereby driving the boiler body 5 to rotate inside the arc-shaped support frame 4, thereby realizing all-round welding and seam elimination processing of the outer surface of the boiler body 5.

[0021] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0022] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. A welding device for a boiler joint, comprising a supporting substrate (1), characterized in that: Both sides of the top surface of the supporting base plate (1) are slidably connected with a concave supporting frame (2), an arc-shaped supporting frame (4) is fixedly installed inside the concave supporting frame (2), and the arc-shaped supporting frame (4) is used to support the boiler body (5); A welding plate frame (7) is fixedly mounted on the top surface of the carrier base plate (1); the mounting position of the welding plate frame (7) is located below the arc-shaped carrier frame (4); the arc-shaped carrier frame (4) is slidably connected to the welding plate frame (7); a transmission slot (701) is opened inside the welding plate frame (7); a driving module (801) is installed inside the transmission slot (701); a welding module (8) is installed above the driving module (801); the driving module (801) is used to drive the welding module (8) to move along the opening direction of the transmission slot (701) to perform welding and seam elimination processing on the outer surface of the boiler body (5); Both sides of the interior of the arc-shaped support frame (4) are rotatably connected to driving rollers (1201), and the driving rollers (1201) are used to support the boiler body (5) and drive the boiler body (5) to rotate, thereby achieving all-round welding and seam elimination processing on the outer surface of the boiler body (5); A driving assembly is provided between the supporting base plate (1) and the concave supporting frame (2), which is used to drive the two concave supporting frames (2) and the arc-shaped supporting frame (4), so that the spacing between the arc-shaped supporting frames (4) is adjusted to match the size of the boiler body (5).

2. A welding device for boiler joints according to claim 1, characterized in that: Positioning cylinder frames (11) are fixedly mounted on both sides of the top surface of the concave bearing frame (2); a piston push rod (1102) is slidably connected inside the positioning cylinder frame (11); the end of the piston push rod (1102) is rotatably connected to a side limiting roller (1103); the side limiting roller (1103) is used to move along with the piston push rod (1102) in the direction of the boiler body (5) to achieve a limiting operation on the boiler body (5).

3. A welding device for boiler joints according to claim 2, characterized in that: A connecting tube (1101) is fixedly mounted on the end of the positioning cylinder frame (11), and the connecting tube (1101) is used to connect to a driving source to drive the piston push rod (1102) to run inside the positioning cylinder frame (11).

4. A welding device for boiler joints according to claim 2, characterized in that: A support spring (1104) is fixedly installed between the end of the piston push rod (1102) and the interior of the positioning cylinder frame (11) for driving the piston push rod (1102) to reset. A pressure relief valve (1105) is fixedly installed at the end of the positioning cylinder frame (11).

5. A welding device for boiler joints according to claim 1, characterized in that: The inner sides of the carrier substrate (1) are symmetrically provided with limit slots (101); the bottom sides of the concave carrier frame (2) are fixedly provided with sliders (203); the sliders (203) are slidably installed inside the limit slots (101); the inner side of the concave carrier frame (2) is provided with a plurality of positioning bolts (201) for locking the arc-shaped carrier frame (4); and the outer side of the concave carrier frame (2) is fixedly provided with side baffles (202).

6. A welding device for boiler joints according to claim 1, characterized in that: The driving assembly comprises a transmission screw (9), a transmission plate frame (3) is fixedly mounted on the outer side of the concave bearing frame (2), the transmission screw (9) is rotatably mounted inside the bearing base plate (1), a threaded shaft sleeve (301) is fixedly mounted inside the transmission plate frame (3), the threaded shaft sleeve (301) is sleeved on the outer side of the corresponding transmission screw (9) and meshes with it, and a motor is mounted on the outer side of the bearing base plate (1) for driving the transmission screw (9) to operate.

7. A boiler joint welding device according to claim 6, characterized in that: Limiting slide bars (6) are fixedly mounted on both sides of the interior of the carrier base plate (1); the limiting slide bars (6) penetrate the transmission plate frame (3) and are slidably connected thereto.

8. A welding device for boiler joints according to claim 1, characterized in that: The arc-shaped support frame (4) is internally rotatably connected to two drive shafts (12); the drive roller (1201) is fixedly sleeved on the outside of the corresponding drive shaft (12); a transmission belt (1202) is rotatably connected between the two drive shafts (12); a drive motor (13) is fixedly installed at the bottom of the arc-shaped support frame (4); a drive belt (1301) is rotatably connected between the output end of the drive motor (13) and the end of the corresponding drive shaft (12).

9. A welding device for boiler joints according to claim 1, characterized in that: An elastic collection net (10) is provided above the supporting base plate (1); the elastic collection net (10) is fixedly mounted between two concave supporting frames (2) and is used to collect welding slag dropped during operation.

10. A welding process for boiler joints, based on the welding device according to any one of claims 1 to 9, characterized in that: The specific steps include: S1. The driving screw (9) is operated to drive the two concave bearing frames (2) to move inside the bearing base plate (1) until the spacing between the two concave bearing frames (2) matches the size of the boiler body (5) to be welded. After the adjustment is completed, the boiler body (5) is hoisted by hoisting equipment until the two ends of the boiler body (5) are respectively located inside the concave bearing frames (2) on both sides, and the bearing is realized by the two arc-shaped bearing frames (4); S2. When the boiler body (5) is placed above the arc-shaped carrier frames (4) on both sides, the driving module (801) is operated to drive the welding module (8) to slide along the opening direction of the transmission slot (701). At this time, the welding module (8) is located directly below the boiler body (5), and the outer surface of the boiler body (5) can be welded and the seam can be eliminated; S3. When the boiler body (5) is placed above the arc-shaped support frames (4) on both sides, the drive rollers (1201) installed inside the arc-shaped support frames (4) can contact the bottom of the boiler body (5). At this time, the operation of the drive motor (13) can drive the drive shaft (12) and the drive rollers (1201) to rotate, thereby driving the boiler body (5) to rotate inside the arc-shaped support frames (4), thereby achieving all-round welding and seam elimination processing on the outer surface of the boiler body (5).

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