Welding positioning and shape correcting device for welding part

Abstract

The device comprises a bottom plate, one side of the upper portion of the bottom plate is fixedly connected with a first side plate, the interior of the first side plate is rotationally connected with a first lead screw, one end of the first lead screw penetrates through the first side plate and is fixedly connected with a first rotating cap, and the other end of the first lead screw is fixedly connected with a second rotating cap. The outer side of the first lead screw is in threaded connection with a sliding rod, the outer side of the sliding rod is fixedly connected with three sets of connecting pieces, the outer sides of the connecting pieces are connected with two sets of pushing rods through rotating shafts, the other ends of the pushing rods are fixedly connected with T-shaped plates, three sets of communicating grooves are formed in the first side plate, and one ends of the T-shaped plates are fixedly connected with inserting pieces. The inserting pieces penetrate through the communicating grooves to be rotationally connected with outer rolling wheels, the sides, close to the first side plates, of the T-shaped plates are rotationally connected with inner rolling wheels, and the inner rolling wheels and the outer rolling wheels are tightly attached to the two sides of the first side plates, so that two sets of welded pipe fittings can be effectively and coaxially connected, and pipe fitting leakage caused by mismatching of the connecting positions is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, and particularly relates to a welding positioning and shape correcting device for welding parts. Background Technique

[0002] Welding, also known as fusion welding, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure. Welding plays a crucial role in modern industry and has a wide range of application fields, including steel structures, shipbuilding, pipeline engineering and other fields.

[0003] When welding two pipe fittings, the pipe fittings on both sides are usually fixed, and the pipe fittings on both sides are aligned by manual visual inspection. Such an alignment method is difficult to ensure that the pipe fittings on both sides are coaxial, resulting in gaps during welding and affecting the tightness of the connection of the pipe fittings. Content of the Utility Model

[0004] The purpose of the utility model is to provide a welding positioning and shape correcting device for welding parts to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A welding positioning and shape correcting device for welding parts, including a bottom plate, one side of the upper part of the bottom plate is fixedly connected with a first side plate, a first lead screw is rotatably connected inside the first side plate, one end of the first lead screw penetrates through the first side plate and is fixedly connected with a first rotating cap, a sliding rod is threadedly connected to the outside of the first lead screw, three groups of connecting pieces are fixedly connected to the outside of the sliding rod, two groups of push rods are rotatably connected to the outside of the connecting pieces, the other end of the push rod is fixedly connected with a T-shaped plate, three groups of communication grooves are opened inside the first side plate, one end of the T-shaped plate is fixedly connected with an insertion piece, the insertion piece penetrates through the communication groove and is rotatably connected with an outer roller, the T-shaped plate is rotatably connected to one side close to the first side plate with an inner roller, and the inner roller and the outer roller are closely attached to both sides of the first side plate.

[0006] Preferably, a limiting piece is fixedly connected to one end of the first lead screw away from the first side plate.

[0007] Preferably, an installation groove is opened on the upper part of the bottom plate, a second side plate is slidably connected inside the installation groove, a third lead screw is threadedly connected inside the second side plate, one end of the third lead screw is rotatably connected to the inner wall of the installation groove, and the other end of the third lead screw penetrates through the bottom plate and is fixedly connected with a third rotating cap.

[0008] Preferably, an embedding groove communicated with the installation groove is opened inside the bottom plate, two sides of the lower part of the second side plate are fixedly connected with embedding blocks, and the embedding blocks are slidably connected inside the embedding groove.

[0009] Preferably, a control box is fixedly connected to one end of the second side plate facing the first side plate. One end of the second side plate is rotatably connected to an internal bevel gear. The tail end of the internal bevel gear penetrates through the second side plate and is fixedly connected to a second rotating cap. Four external bevel gears are meshed and connected to the outside of the internal bevel gear. The tail of the external bevel gear is fixedly connected to a second lead screw. The other end of the second lead screw is rotatably connected to the inside of the control box. A moving block is threadedly connected to the outside of the second lead screw. Four sliding grooves are opened on the outside of the control box. One end of the moving block is fixedly connected to a connecting rod. The connecting rod penetrates through the sliding groove and is fixedly connected to a fixing ring.

[0010] Preferably, the center of the internal bevel gear is on the same straight line as the first lead screw.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] Through the cooperative use of the T-shaped plate, the first rotating cap, the first lead screw, the sliding rod, the connecting piece, the pushing rod, the outer roller, and the inner roller, one side of the pipe fitting is installed outside the T-shaped plate. By rotating the first rotating cap, the first lead screw rotates to drive the sliding rod to move left and right. Through the connecting piece, one end of the pushing rod moves left and right. The outer roller cooperates with the inner roller to ensure that the T-shaped plate does not separate from the first side plate. The pushing rod deflects, and the other end drives the T-shaped plate to move in and out, thereby fixing the inner diameter of the pipe fitting. Inserting the other set of pipe fittings to be welded into the outside of the adjusted T-shaped plate can effectively coaxially connect the two sets of welded pipe fittings and prevent leakage of the pipe fittings caused by non-matching joints.

[0013] The present utility model also fixes the outer diameter of the pipeline on the other side through the cooperative use of the second rotating cap, the internal bevel gear, the external bevel gear, the second lead screw, the moving block, the connecting rod, and the fixing ring. By rotating the second rotating cap, the internal bevel gear rotates to drive the external bevel gear to rotate. The second lead screw rotates to drive the moving block to move. Through the connecting rod, the fixing ring moves in and out to further position the pipeline and perform internal and external fixing to align the pipeline. Description of the Drawings

[0014] Figure 1 is the first perspective three-dimensional structure schematic diagram of the present utility model;

[0015] Figure 2 is the second perspective three-dimensional structure schematic diagram of the present utility model;

[0016] Figure 3 is the sectional view of the control box structure of the present utility model from the third perspective.

[0017] In the figure: 1, bottom plate; 2, first side plate; 3, first lead screw; 4, first rotating cap; 5, limiting piece; 6, sliding rod; 7, connecting piece; 8, pushing rod; 9, T-shaped plate; 10, inner roller; 11, communicating groove; 12, inserting piece; 13, outer roller; 14, second side plate; 15, internal bevel gear; 16, second rotating cap; 17, external bevel gear; 18, second lead screw; 19, moving block; 20, sliding groove; 21, connecting rod; 22, fixing ring; 23, control box; 24, installation groove; 25, embedding groove; 26, embedding block; 27, third lead screw; 28, third rotating cap. Detailed implementation manners

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] Please refer to Figures 1-3 , the present invention provides a technical solution: a welding positioning and shape correction device for welding parts, including a bottom plate 1. One side of the upper part of the bottom plate 1 is fixedly welded with a first side plate 2. A first lead screw 3 is rotatably installed inside the first side plate 2. One end of the first lead screw 3 penetrates the first side plate 2 and is fixedly welded with a first rotating cap 4. A sliding rod 6 is threadedly connected to the outside of the first lead screw 3. Three groups of connecting pieces 7 are fixedly welded to the outside of the sliding rod 6. Two groups of pushing rods 8 are rotatably installed on the outside of the connecting pieces 7. The other end of the pushing rod 8 is fixedly welded with a T-shaped plate 9. By rotating the first rotating cap 4, the first lead screw 3 rotates to drive the sliding rod 6 to move left and right. One end of the pushing rod 8 is driven to move left and right through the connecting piece 7. The pushing rod 8 deflects, and the other end drives the T-shaped plate 9 to move in and out. Three groups of communicating grooves 11 are opened inside the first side plate 2. An inserting piece 12 is fixedly welded to one end of the T-shaped plate 9. The inserting piece 12 penetrates the communicating groove 11 and rotatably installs an outer roller 13. An inner roller 10 is rotatably installed on the side of the T-shaped plate 9 close to the first side plate 2. The inner roller 10 and the outer roller 13 are in close contact with both sides of the first side plate 2, ensuring that the T-shaped plate 9 can not break away from the first side plate 2 and reducing the friction of the movement of the T-shaped plate 9;

[0020] One end of the first lead screw 3 away from the first side plate 2 is fixedly welded with a limit piece 5 to prevent the sliding rod 6 from detaching from the first lead screw 3; an installation groove 24 is opened in the upper part of the bottom plate 1, a second side plate 14 is slidably installed inside the installation groove 24, a third lead screw 27 is threadedly connected inside the second side plate 14, one end of the third lead screw 27 is rotatably connected to the inner wall of the installation groove 24, and the other end of the third lead screw 27 penetrates through the bottom plate 1 and is fixedly welded with a third rotating cap 28. By rotating the third rotating cap 28, the third lead screw 27 rotates to drive the second side plate 14 to move left and right; an embedding groove 25 communicating with the installation groove 24 is opened inside the bottom plate 1, and two sides of the lower part of the second side plate 14 are fixedly welded with embedding blocks 26, and the embedding blocks 26 are slidably installed inside the embedding groove 25 to prevent the second side plate 14 from deflecting; one end of the second side plate 14 facing the first side plate 2 is fixedly welded with a control box 23, a bevel gear 15 is rotatably installed at one end of the second side plate 14, the tail end of the bevel gear 15 penetrates through the second side plate 14 and is fixedly welded with a second rotating cap 16, four bevel gears 17 are meshed and connected outside the bevel gear 15, the tail of the bevel gear 17 is fixedly welded with a second lead screw 18, the other end of the second lead screw 18 is rotatably connected to the inside of the control box 23, a moving block 19 is threadedly connected to the outside of the second lead screw 18, four sliding grooves 20 are opened on the outside of the control box 23, one end of the moving block 19 is fixedly welded with a connecting rod 21, and the connecting rod 21 penetrates through the sliding groove 20 and is fixedly welded with a fixing ring 22. By rotating the second rotating cap 16, the bevel gear 15 rotates to drive the bevel gears 17 to rotate, the second lead screw 18 rotates to drive the moving block 19 to move, and the connecting rod 21 drives the fixing ring 22 to move inside and outside; the center of the bevel gear 15 is on the same straight line as the first lead screw 3 to ensure that the pipe fittings inside the fixing ring 22 and the pipe fittings outside the T-shaped plate 9 are coaxial.

[0021] Working principle: When the utility model is in use, one side of the pipe fitting is installed outside the T-shaped plate 9. By rotating the first rotating cap 4, the first lead screw 3 rotates to drive the sliding rod 6 to move left and right. One end of the push rod 8 is driven to move left and right through the connecting piece 7. The outer roller 13 cooperates with the inner roller 10 to ensure that the T-shaped plate 9 can not detach from the first side plate 2. The push rod 8 deflects, and the other end drives the T-shaped plate 9 to move inside and outside, so as to fix the inner diameter of the pipe fitting. The other group of pipe fittings to be welded is inserted outside the adjusted T-shaped plate 9. By rotating the second rotating cap 16, the bevel gear 15 rotates to drive the bevel gears 17 to rotate, the second lead screw 18 rotates to drive the moving block 19 to move, and the connecting rod 21 drives the fixing ring 22 to move inside and outside to fix the outer diameter of the pipeline on the other side, further position the pipeline, and fix it inside and outside to calibrate the pipeline. By rotating the third rotating cap 28, the third lead screw 27 rotates to drive the second side plate 14 to move left and right, so that the joints of the pipelines on both sides are closely fitted.

[0022] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0023] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A welding positioning and shaping device for a welded part, comprising a base plate (1), characterized in that: One side of the upper part of the bottom plate (1) is fixedly connected to a first side plate (2); a first lead screw (3) is rotatably connected inside the first side plate (2); one end of the first lead screw (3) penetrates the first side plate (2) and is fixedly connected to a first rotating cap (4); a sliding rod (6) is threadedly connected to the outer side of the first lead screw (3); three groups of connecting plates (7) are fixedly connected to the outer side of the sliding rod (6); two groups of pushing rods (8) are connected to the outer rotating shaft of the connecting plate (7); the other end of the pushing rod (8) is fixedly connected to a T-shaped plate (9); three groups of connecting grooves (11) are opened inside the first side plate (2); one end of the T-shaped plate (9) is fixedly connected to an inserting plate (12); the inserting plate (12) penetrates the connecting groove (11) and is rotatably connected to an outer roller (13); a side of the T-shaped plate (9) close to the first side plate (2) is rotatably connected to an inner roller (10); the inner roller (10) and the outer roller (13) are closely attached to two sides of the first side plate (2).

2. The welding positioning and shaping device for a welded part according to claim 1, characterized in that: One end of the first lead screw (3) away from the first side plate (2) is fixedly connected to a limiting plate (5).

3. The welding positioning and shaping device for a welded part according to claim 1, characterized in that: A mounting groove (24) is provided on the upper portion of the bottom plate (1), a second side plate (14) is slidably connected to the inside of the mounting groove (24), a third lead screw (27) is threadedly connected to the inside of the second side plate (14), one end of the third lead screw (27) is rotatably connected to the inner wall of the mounting groove (24), and the other end of the third lead screw (27) penetrates the bottom plate (1) and is fixedly connected to a third rotating cap (28).

4. The welding positioning and shaping device for a welded part according to claim 3, characterized in that: An embedding groove (25) communicating with the mounting groove (24) is provided inside the bottom plate (1), and embedding blocks (26) are fixedly connected to both sides of the lower part of the second side plate (14), and the embedding blocks (26) are slidably connected to the inside of the embedding groove (25).

5. The welding positioning and shaping device for a welded part according to claim 3, characterized in that: The second side plate (14) is fixedly connected to one end thereof facing the first side plate (2) with a control box (23); one end of the second side plate (14) is rotatably connected to an inner bevel gear (15); the tail end of the inner bevel gear (15) penetrates the second side plate (14) and is fixedly connected to a second rotating cap (16); the outer side of the inner bevel gear (15) is meshingly connected to four groups of outer bevel gears (17); the tail of the outer bevel gear (17) is fixedly connected to a second lead screw (18); the other end of the second lead screw (18) is rotatably connected to the inside of the control box (23); the outer side of the second lead screw (18) is threadedly connected to a moving block (19); four groups of sliding grooves (20) are provided on the outer side of the control box (23); one end of the moving block (19) is fixedly connected to a connecting rod (21); the connecting rod (21) penetrates the sliding groove (20) and is fixedly connected to a fixing ring (22).

6. The welding positioning and shaping device for a welded part according to claim 5, characterized in that: The center of the inner bevel gear (15) is on the same straight line as the first lead screw (3).

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