Bent pipe welding machine with protection structure

Abstract

The utility model discloses a bend pipe welding machine with a protective structure, which comprises a rack, a support seat and a welding head, the support seat is arranged above the rack, the welding head is arranged above the support seat, one side of the surface of the rack is provided with a mounting seat, one side of the mounting seat is connected with a connecting shaft through a bearing seat, and the connecting shaft is connected with the support seat. And a gear set in butt joint with the connecting shaft is embedded in the mounting base, a motor connected with the gear set is mounted on the outer side of the mounting base, a connecting base penetrates through the middle of the connecting shaft, and the outer end of the connecting base is connected with a connecting arm through a rotating shaft. According to the elbow welding machine, the shielding plate can shield an elbow during welding, welding sparks are prevented from splashing outwards to hurt people, the elbow welding machine is provided with a protection structure, the abutting base and the limiting baffle are matched with each other, the welded elbow and a welded straight pipe can be limited in an auxiliary mode, and the elbow welding machine is provided with an auxiliary limiting structure.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe bending welding machines, in particular to a pipe bending welding machine with a protective structure. Background Art

[0002] A pipe bend refers to a metal pipe that has been processed to present a certain angle. This shape is usually used to connect pipes in different directions or heights in a pipeline system to adapt to various complex pipeline layouts and space restrictions. After the pipe bend is completed, a corresponding welding machine is required. The welding machine can be used to weld the bent pipe and the straight pipe workpiece together. The welding machine heats the metal workpieces and applies pressure to combine them into a whole in a molten state.

[0003] At present, the pipe bending welding machines on the market will generate corresponding sparks during welding. The existing pipe bending welding machines are shielded and protected by the workers holding a protective cover during operation. The hand-held protective cover not only has a small protection area, but also is inconvenient to hold the protective cover during operation. Therefore, it is necessary to improve the current pipe bending welding machine with a protective structure. Utility Model Content

[0004] The purpose of the utility model is to provide a pipe bending welding machine with a protective structure to solve the problems raised by the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipe bending welding machine with a protective structure, comprising a frame, a support seat and a welding head, a support seat is arranged above the frame, and a welding head is arranged above the support seat, a mounting seat is arranged on one side of the surface of the frame, and one side of the mounting seat is connected to a connecting shaft through a bearing seat, a gear group that is docked with the connecting shaft is embedded in the interior of the mounting seat, and a driving motor connected to the gear group is installed on the outer side of the mounting seat, a connecting seat passes through the middle of the connecting shaft, and the outer end of the connecting seat is connected to a connecting arm through a rotating shaft, and the outer end of the connecting arm is connected to a contact plate through a rotating shaft, a connecting rod is commonly passed through the middle of the two connecting seats, and a motor is embedded in the end of the connecting shaft away from the mounting seat, and the output end of the motor is docked with the connecting rod.

[0006] Preferably, a mounting plate is provided at the lower edge of the frame, and a movable groove is provided inside the mounting plate, a movable block is inserted inside the movable groove, and a shielding plate is connected to the outer end of the movable block.

[0007] Preferably, a threaded rod passes through the middle of the movable block, and both ends of the threaded rod are connected to the inner wall of the movable groove through a bearing seat, and a bevel gear set is sleeved below the threaded rod.

[0008] Preferably, a reversible motor is installed on the back side of the mounting plate, and the output end of the reversible motor passes through the mounting plate and is connected to the bevel gear set, and guide grooves are provided on both sides of the mounting plate.

[0009] Preferably, the outer walls on both sides of the mounting plate are sleeved with limit seats, and one end of the limit seat is connected to the shielding plate, and the inner wall of the limit seat is provided with a guide block, and the guide block is docked inside the guide groove.

[0010] Preferably, an abutment seat is inserted into the surface of the frame away from the mounting seat, and a cylinder is embedded inside the frame, the output end of the cylinder is connected to one side of the abutment seat, and fixing seats are provided on both sides of the surface of the connecting shaft.

[0011] Preferably, a limit baffle is provided on the outer side of the fixing seat, and a connecting block is provided at one end of the limit baffle. The connecting block is inserted into the interior of the fixing seat, and a guide rod passes through the middle of the connecting block.

[0012] Preferably, a spring is sleeved on the outer side of the guide rod, one end of the spring is butted against the connecting block, and the other end of the spring is connected to the inside of the fixing seat.

[0013] Beneficial effect: Compared with the prior art, the pipe bending welding machine with a protective structure described in the utility model can shield the pipe bending welding through the shielding plate to prevent the welding sparks from splashing outward and injuring people, so that the pipe bending welding machine has a protective structure. Through the mutual cooperation of the abutment seat and the limit baffle, the welded bent pipe and straight pipe can be auxiliary limited, so that the pipe bending welding machine has an auxiliary limiting structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a right side cutaway structural schematic diagram of the utility model;

[0016] Figure 3 It is a schematic diagram of the top view of the cross-section structure of the mounting plate in the utility model;

[0017] Figure 4 It is a schematic diagram of the main cutaway structure of the connecting shaft in the utility model.

[0018] In the figure: 1. frame; 2. support seat; 3. welding head; 4. mounting seat; 5. connecting shaft; 6. gear set; 7. driving motor; 8. connecting seat; 9. connecting arm; 10. contact plate; 11. connecting rod; 12. motor; 13. mounting plate; 14. movable groove; 15. movable block; 16. shielding plate; 17. threaded rod; 18. bevel gear set; 19. reversible motor; 20. guide groove; 21. limit seat; 22. guide block; 23. contact seat; 24. cylinder; 25. fixed seat; 26. limit baffle; 27. connecting block; 28. guide rod; 29. ​​spring. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings and specific embodiments to clearly and completely describe the technical solution 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 of 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.

[0020] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The pipe bending welding machine with a protective structure described in this embodiment includes a frame 1, a support seat 2 and a welding head 3. The support seat 2 is arranged above the frame 1, and the welding head 3 is arranged above the support seat 2. A mounting seat 4 is arranged on one side of the surface of the frame 1, and one side of the mounting seat 4 is connected to a connecting shaft 5 through a bearing seat, and a gear group 6 that is docked with the connecting shaft 5 is embedded in the interior of the mounting seat 4, and a driving motor 7 connected to the gear group 6 is installed on the outer side of the mounting seat 4. A connecting seat 8 runs through the middle of the connecting shaft 5, and the outer end of the connecting seat 8 is connected to a connecting arm 9 through a rotating shaft, and the outer end of the connecting arm 9 is connected to a contact plate 10 through a rotating shaft. A connecting rod 11 runs through the middle of the two connecting seats 8. A motor 12 is embedded in the end of the connecting shaft 5 away from the mounting seat 4, and the output end of the motor 12 is docked with the connecting rod 11. The surface of the connecting rod 11 is provided with a two-way thread, and the connecting rod 11 and the connecting seat 8 are threadedly connected.

[0021] A mounting plate 13 is provided at the lower edge of the frame 1, and a movable groove 14 is provided inside the mounting plate 13, a movable block 15 is inserted inside the movable groove 14, and a shielding plate 16 is connected to the outer end of the movable block 15; a threaded rod 17 passes through the middle of the movable block 15, and both ends of the threaded rod 17 are connected to the inner wall of the movable groove 14 through a bearing seat, and a bevel gear set 18 is sleeved below the threaded rod 17; a reversible motor 19 is installed on the back of the mounting plate 13, and the output end of the reversible motor 19 passes through the mounting plate 13 and is connected to the bevel gear set 18. Guide grooves 20 are provided on both sides of the mounting plate 13; limit seats 21 are provided on the outer walls of both sides of the mounting plate 13, and one end of the limit seat 21 is connected to the baffle plate 16, and a guide block 22 is provided on the inner wall of the limit seat 21, and the guide block 22 is docked in the inside of the guide groove 20, the cross-sectional size of the guide groove 20 matches the cross-sectional size of the guide block 22, the guide block 22 and the guide groove 20 are slidably connected, the threaded rod 17 and the movable block 15 are threadedly connected, and the cross-sectional size of the movable block 15 matches the cross-sectional size of the movable groove 14.

[0022] In the specific implementation, the shielding plate 16 in the initial state is on the outside of the mounting plate 13 and overlaps with the mounting plate 13. When the welding operation is performed, the reversible motor 19 is started to drive the bevel gear set 18 connected to the output end to rotate synchronously, and the rotating bevel gear set 18 drives the threaded rod 17 to rotate at the same time. Since the threaded rod 17 and the movable block 15 are threadedly connected, the outer movable block 15 can be moved along the movable groove 14 to the upper side of the mounting plate 13 as the threaded rod 17 rotates. The connected baffle plate 16 is driven to move upward synchronously, and the upward-moving baffle plate 16 drives the connected limit seat 21 to move stably along the guide groove 20 on the mounting plate 13 through the guide block 22 of the inner wall until the baffle plate 16 is moved upward to the limit position. At this time, the baffle plate 16 extends out to block the outside of the edge of the frame 1. By arranging a baffle plate 16 that can move up and down on the outside of the frame 1, the bend can be shielded during welding to prevent welding sparks from splashing outward and injuring people, thereby making the bend welding machine have a protective structure.

[0023] See also Figure 1 , Figure 2 and Figure 4A resistance seat 23 is inserted into the surface of one side of the frame 1 away from the mounting seat 4, and a cylinder 24 is embedded in the interior of the frame 1, the output end of the cylinder 24 is connected to one side of the resistance seat 23, and fixed seats 25 are arranged on both sides of the surface of the connecting shaft 5; a limit baffle 26 is arranged on the outer side of the fixed seat 25, and a connecting block 27 is arranged at one end of the limit baffle 26, the connecting block 27 is inserted into the interior of the fixed seat 25, and a guide rod 28 passes through the middle of the connecting block 27; a spring 29 is sleeved on the outer side of the guide rod 28, one end of the spring 29 is docked with the connecting block 27, and the other end of the spring 29 is connected to the interior of the fixed seat 25, the connecting block 27 forms a telescopic structure with the fixed seat 25 through the spring 29, and the resistance seat 23 forms a sliding connection with the frame 1 through the cylinder 24.

[0024] During specific implementation, before welding, the two limit baffles 26 are pulled outward to the limit position, and the pulled limit baffle 26 drives the connected connecting block 27 to move along the guide rod 28 inside the fixing seat 25 while squeezing the spring 29 sleeved on the outside of the guide rod 28. Subsequently, the pipe to be welded is installed on the connecting shaft 5 and then the pulled limit baffle 26 is loosened. The loosened limit baffle 26 can be automatically reset inward by the elastic force of the spring 29 until the inner wall of the limit baffle 26 conflicts with the surface of the pipe to be welded. Subsequently, after the elbow is butt-jointed, the cylinder 24 is started to drive the conflict seat 23 connected to the output end to slide along the frame 1 until the conflict seat 23 also conflicts with the elbow to be welded. Through the mutual cooperation of the conflict seat 23 and the limit baffle 26, the welded elbow and straight pipe can be auxiliary limited, so that the elbow welding machine has an auxiliary limiting structure.

[0025] To sum up, when using the pipe bending welding machine with a protective structure, the bent pipe and straight pipe to be welded are installed above the support seat 2 and sleeved on the connecting shaft 5, and the welding head 3 welds the top of the straight pipe and the bent pipe at the fitting position, and then the drive motor 7 is started to drive the gear group 6 connected to the output end to rotate, and the connecting shaft 5 is driven to rotate under the action of the gear group 6. Since the contact plates 10 on both sides of the connecting shaft 5 are in contact with the inner wall of the pipe, the rotation of the connecting shaft 5 can drive the outer straight pipe and a part of the connected bent pipe to rotate synchronously. At this time, the outer side of the bent pipe is evenly welded by the welding head 3.

[0026] Contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pipe bending welding machine with a protective structure, comprising a frame (1), a support base (2) and a welding head (3), characterized in that: A support seat (2) is arranged above the frame (1), and a welding head (3) is arranged above the support seat (2); a mounting seat (4) is arranged on one side of the surface of the frame (1), and a connecting shaft (5) is connected to one side of the mounting seat (4) via a bearing seat; a gear group (6) is embedded and installed inside the mounting seat (4) and is connected to the connecting shaft (5); a driving motor (7) connected to the gear group (6) is installed on the outside of the mounting seat (4); a connecting seat (8) passes through the middle of the connecting shaft (5), and the outer end of the connecting seat (8) is connected to a connecting arm (9) via a rotating shaft, and the outer end of the connecting arm (9) is connected to a contact plate (10) via a rotating shaft; a connecting rod (11) passes through the middle of the two connecting seats (8); a motor (12) is embedded and installed inside the end of the connecting shaft (5) away from the mounting seat (4), and the output end of the motor (12) is connected to the connecting rod (11).

2. The pipe bending welding machine with a protective structure according to claim 1, characterized in that: A mounting plate (13) is provided at the lower edge of the frame (1), and a movable groove (14) is provided inside the mounting plate (13). A movable block (15) is inserted inside the movable groove (14), and a shielding plate (16) is connected to the outer end of the movable block (15).

3. The pipe bending welding machine with a protective structure according to claim 2, characterized in that: A threaded rod (17) passes through the middle of the movable block (15), and both ends of the threaded rod (17) are connected to the inner wall of the movable groove (14) through a bearing seat. A bevel gear set (18) is sleeved below the threaded rod (17).

4. The pipe bending welding machine with a protective structure according to claim 3, characterized in that: A reversible motor (19) is mounted on the back of the mounting plate (13), and an output end of the reversible motor (19) passes through the mounting plate (13) and is connected to the bevel gear set (18). Guide grooves (20) are provided on both sides of the mounting plate (13).

5. The pipe bending welding machine with a protective structure according to claim 4, characterized in that: The outer walls of both sides of the mounting plate (13) are sleeved with limit seats (21), and one end of the limit seat (21) is connected to the shielding plate (16). The inner wall of the limit seat (21) is provided with a guide block (22), and the guide block (22) is docked inside the guide groove (20).

6. The pipe bending welding machine with a protective structure according to claim 1, characterized in that: A resistance seat (23) is inserted into a surface of a side of the frame (1) away from the mounting seat (4), and a cylinder (24) is embedded inside the frame (1). The output end of the cylinder (24) is connected to one side of the resistance seat (23), and fixed seats (25) are provided on both sides of the surface of the connecting shaft (5).

7. The pipe bending welding machine with a protective structure according to claim 6, characterized in that: A limit baffle (26) is disposed outside the fixing seat (25), and a connecting block (27) is disposed at one end of the limit baffle (26). The connecting block (27) is inserted into the fixing seat (25), and a guide rod (28) penetrates the middle of the connecting block (27).

8. The pipe bending welding machine with a protective structure according to claim 7, characterized in that: A spring (29) is sleeved on the outer side of the guide rod (28), one end of the spring (29) is butted against the connecting block (27), and the other end of the spring (29) is connected to the inside of the fixing seat (25).

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