Elbow machining device for steel pipe fitting

Abstract

The bent pipe machining device of the steel pipe fitting comprises an installation disc, a positioning stud is fixedly welded to the center of the top end of the installation disc, a U-shaped clamping plate is arranged on the outer side of the positioning stud in a sleeved mode, a bending disc is fixedly arranged at the center of the positioning stud, and a first bending groove is formed in the center of the outer surface of the bending disc. The bending disc is located between the inner walls of the U-shaped clamping plates, the top ends of the positioning studs are fixedly connected with positioning nuts in a threaded mode, and the positioning nuts make contact with the top ends of the U-shaped clamping plates. When pipe bending is needed, a steel pipe penetrates through the position between the bending disc and the pushing disc, the two side edges of the steel pipe are located in the first bending groove and the second bending groove respectively, one end of the steel pipe is connected with the limiting circular ring in a penetrating and inserting mode, then the U-shaped clamping plate is made to rotate by pushing the connecting handle, and then the steel pipe is bent. Therefore, one side of the steel pipe fitting can be pushed through the pushing disc, and the two side edges of the cylinder pipe fitting can be limited through the limiting circular ring and the bending disc.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe processing, in particular to a pipe bending processing device for steel pipe fittings. Background Art

[0002] Steel pipe fittings are a type of pipe fittings, which mainly add one or more openings to steel pipes and configure other accessories such as flanges, clamps, threads, etc. to achieve functions such as connection, tightening or steering of pipelines. Steel pipe fittings have the advantages of light weight, small size, low price, easy installation and cost saving. They are widely used in petroleum, chemical industry, light industry, medical treatment, coal, fire protection, construction and other fields. When steel pipe fittings are connected at the bend of the wall, steel elbows are often required for connection.

[0003] The patent number is: CN218134220U discloses a steel pipe processing bending device. After the bending is completed, the utility model starts the driving hydraulic cylinder to drive the first limit block and the second limit block to move upward, the control rack drives the transmission gear to rotate and drives the storage gear to rotate through the fixed shaft, and the auxiliary plug is stored in the second limit block. At this time, the first limit block moves upward alone with the driving hydraulic cylinder. When the first limit block is completely separated from the second limit block, the bent steel pipe will automatically slide into the collection box for storage under the action of gravity, which solves the problem that when manually unloading, the staff needs to walk back and forth around the pipe bending device, and the operation is relatively complicated. The bending structure used in the above patent is driven by a hydraulic cylinder, and its product cost is relatively high, and the structure is complex and not easy to carry. Utility Model Content

[0004] The utility model aims to provide a bending device for steel pipe fittings to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipe bending processing device for steel pipe fittings, comprising a mounting disc, a positioning stud is fixedly welded at the center of the top end of the mounting disc, a U-shaped clamping plate is sleeved on the outside of the positioning stud, a bending disc is fixedly provided at the center of the positioning stud, a first bending groove is provided at the center of the outer surface of the bending disc, the bending disc is located between the inner walls of the U-shaped clamping plate, a positioning nut is fixedly threaded at the top end of the positioning stud, the positioning nut is in contact with the top end of the U-shaped clamping plate, a propulsion disc is fixedly welded at the center of the inner wall of the U-shaped clamping plate, a second bending groove is provided at the center of the outer surface of the propulsion disc, and the first bending groove and the second bending groove are connected The position is directly opposite, and a limiting ring is fixedly welded on the edge of the top of the mounting disc. The purpose of this arrangement is: when bending is required, the steel pipe fitting is passed through the bending disc and the pushing disc, so that the two sides of the steel pipe fitting are respectively located in the first bending groove and the second bending groove, and one end of the steel pipe fitting is inserted and connected with the limiting ring. Subsequently, the U-shaped clamping plate can be rotated by pushing the connecting handle, so that one side of the steel pipe fitting can be pushed by the pushing disc. Since the limiting ring and the bending disc can limit the two sides of the cylinder pipe fitting, the steel pipe fitting can be bent. The bending structure of the device adopts a simple lever structure, and the steel pipe fitting is bent with the bending disc as a fulcrum, thereby facilitating the bending of the steel pipe fitting.

[0006] Preferably, a plurality of positioning screw holes are formed at the top of the mounting disc, and a positioning bolt is threadedly connected to the interior of each positioning screw hole.

[0007] Preferably, a connecting handle is fixedly welded to one end of the U-shaped clamping plate, and mounting cross plates are fixedly welded to both ends of the mounting disc.

[0008] Preferably, an adjusting through slot is provided at the top of each of the mounting transverse plates, and a pushing slider is slidably connected inside each of the adjusting through slots.

[0009] Preferably, a positioning clamp is fixedly welded to the bottom end of each of the pushing sliding blocks, and a pushing screw is threadedly connected to the interior of each of the mounting cross plates.

[0010] Preferably, one end of each of the pushing screws passes through the adjustment slot and contacts the pushing slider that is directly opposite to it, and the other end of each of the pushing screws is fixedly connected to an adjustment knob.

[0011] Technical effects and advantages of the utility model:

[0012] (1) After the device is brought to a suitable position, when the pipe bending process is required, the steel pipe fitting is passed between the bending disc and the pushing disc, so that the two sides of the steel pipe fitting are respectively located in the first bending groove and the second bending groove, and one end of the steel pipe fitting is connected with the limiting ring through insertion, and then the U-shaped clamping plate can be rotated by pushing the connecting handle, so that one side of the steel pipe fitting can be pushed by the pushing disc. Since the limiting ring and the bending disc can limit the two sides of the cylinder pipe fitting, the steel pipe fitting can be bent. The bending structure of the device adopts a simple lever structure, and the steel pipe fitting is bent with the bending disc as the fulcrum, so as to facilitate the pipe bending process of the steel pipe fitting. The device has a simple structure and is easy to carry, with low production cost and high applicability.

[0013] (2) Before using the device, the positioning clamping plate can be first brought into contact with both sides of the installation location, and then the adjusting knob can be rotated so that the advancing screw can push the advancing slider to move in the adjusting slot, so that the positioning clamping plate can be brought into contact with both sides of the installation location and clamped, and then the mounting disc can be positioned by the positioning bolts. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the connection structure between the installation disc and the U-shaped clamping plate of the utility model;

[0016] Figure 3 It is a schematic diagram of the connection structure between the bending disc and the connecting handle of the utility model.

[0017] In the figure: 1. Mounting disc; 2. Positioning stud; 3. Bending disc; 4. Positioning nut; 5. U-shaped clamp; 6. Pushing disc; 7. First bending groove; 8. Second bending groove; 9. Connecting handle; 10. Limiting ring; 11. Positioning bolt; 12. Mounting cross plate; 13. Adjusting through groove; 14. Pushing slider; 15. Pushing screw; 16. Positioning clamp; 17. Adjusting handle. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments 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 in 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.

[0019] The utility model provides Figure 1-3The pipe bending processing device of the steel pipe shown in the figure comprises an installation disc 1, a positioning stud 2 is fixedly welded at the center of the top of the installation disc 1, a U-shaped clamping plate 5 is sleeved on the outside of the positioning stud 2, a bending disc 3 is fixedly provided at the center of the positioning stud 2, a first bending groove 7 is provided at the center of the outer surface of the bending disc 3, the bending disc 3 is located between the inner walls of the U-shaped clamping plate 5, a positioning nut 4 is fixedly threadedly connected to the top of the positioning stud 2, the positioning nut 4 is in contact with the top of the U-shaped clamping plate 5, a propulsion disc 6 is fixedly welded at the center of the inner wall of the U-shaped clamping plate 5, a second bending groove 8 is provided at the center of the outer surface of the propulsion disc 6, the first bending groove 7 is directly opposite to the second bending groove 8, and a limiting ring 10 is fixedly welded at the edge of the top of the installation disc 1;

[0020] like Figure 1-2 The steel pipe bending processing device shown in the figure has a plurality of positioning screw holes at the top of the mounting disc 1, and a positioning bolt 11 is threadedly connected to the inside of each positioning screw hole, a connecting handle 9 is fixedly welded to one end of the U-shaped clamping plate 5, and mounting cross plates 12 are fixedly welded to both ends of the mounting disc 1, and an adjusting slot 13 is opened at the top of each mounting cross plate 12, and a pushing slider 14 is slidably connected to the inside of each adjusting slot 13, so that the steel pipe is passed between the bending disc 3 and the pushing disc 6, so that the two sides of the steel pipe are divided The first bending groove 7 and the second bending groove 8 are respectively located therein, and one end of the steel pipe fitting is connected with the limiting ring 10 through an interlaced manner. Subsequently, the U-shaped clamping plate 5 can be rotated by pushing the connecting handle 9, so that one side of the steel pipe fitting can be pushed by the pushing disc 6. Since the limiting ring 10 and the bending disc 3 can limit the two sides of the cylinder pipe fitting, the steel pipe fitting can be bent. The bending structure of the device adopts a simple lever structure, and the steel pipe fitting is bent with the bending disc 3 as a fulcrum, thereby facilitating the bending processing of the steel pipe fitting.

[0021] like Figure 1-3 In the steel pipe bending processing device shown in the figure, a positioning clamp 16 is fixedly welded to the bottom end of each pushing slider 14, and a pushing screw 15 is threadedly connected to the inside of each mounting cross plate 12. One end of each pushing screw 15 passes through the adjusting slot 13 and contacts with the pushing slider 14 in the opposite position, and the other end of each pushing screw 15 is fixedly connected to the adjusting handle 17.

[0022] Working principle of the utility model: After the device is carried to a suitable position, the positioning clamping plate 16 can be contacted with both sides of the installation position before the device is used, and then the adjusting handle 17 can be rotated so that the advancing screw 15 can push the advancing slider 14 to move in the adjusting slot 13, so that the positioning clamping plate 16 can be contacted and clamped with both sides of the installation position, and then the mounting disc 1 can be positioned by the positioning bolt 11. When the bending process is required, the steel pipe fitting is passed between the bending disc 3 and the advancing disc 6, so that the two sides of the steel pipe fitting are They are respectively located in the first bending groove 7 and the second bending groove 8, and one end of the steel pipe fitting is connected with the limiting ring 10 through insertion. Then, the U-shaped clamping plate 5 can be rotated by pushing the connecting handle 9, so that one side of the steel pipe fitting can be pushed by the pushing disc 6. Since the limiting ring 10 and the bending disc 3 can limit the two sides of the cylinder pipe fitting, the steel pipe fitting can be bent. The bending structure of the device adopts a simple lever structure, and the steel pipe fitting is bent with the bending disc 3 as the fulcrum, so as to facilitate the bending processing of the steel pipe fitting.

[0023] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. A device for bending steel pipes, including a mounting disc (1), characterized in that: A positioning stud (2) is fixedly welded at the center of the top of the mounting disc (1), a U-shaped clamping plate (5) is sleeved on the outer side of the positioning stud (2), a bending disc (3) is fixedly provided at the center of the positioning stud (2), a first bending groove (7) is provided at the center of the outer surface of the bending disc (3), the bending disc (3) is located between the inner walls of the U-shaped clamping plate (5), a positioning nut (4) is fixedly threadedly connected to the top of the positioning stud (2), the positioning nut (4) is in contact with the top of the U-shaped clamping plate (5), a propulsion disc (6) is fixedly welded at the center of the inner wall of the U-shaped clamping plate (5), a second bending groove (8) is provided at the center of the outer surface of the propulsion disc (6), the first bending groove (7) and the second bending groove (8) are located opposite to each other, and a limiting ring (10) is fixedly welded at the edge of the top of the mounting disc (1).

2. The steel pipe bending device according to claim 1, characterized in that: A plurality of positioning screw holes are provided at the top end of the mounting disc (1), and a positioning bolt (11) is threadedly connected to the interior of each positioning screw hole.

3. The steel pipe bending device according to claim 1, characterized in that: A connecting handle (9) is fixedly welded to one end of the U-shaped clamping plate (5), and a mounting transverse plate (12) is fixedly welded to both ends of the mounting disc (1).

4. The steel pipe bending device according to claim 3, characterized in that: The top of each of the mounting transverse plates (12) is provided with an adjusting slot (13), and the interior of each of the adjusting slots (13) is slidably connected with a pushing slider (14).

5. The steel pipe bending device according to claim 4, characterized in that: A positioning clamp (16) is fixedly welded to the bottom end of each of the pushing slide blocks (14), and a pushing screw (15) is threadedly connected to the interior of each of the mounting cross plates (12).

6. The steel pipe bending device according to claim 5, characterized in that: One end of each of the advancing screw rods (15) passes through the adjustment slot (13) and contacts the advancing slider (14) located opposite to it. The other end of each of the advancing screw rods (15) is fixedly connected to an adjustment knob (17).

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