Adjustable bending device for pipe fitting machining
By using height adjustment screws, hydraulic jacks and rotary screws in the bending device to adjust the height of the bent main wheel, limit the table spacing and bending column position, the problem that existing bending devices cannot clamp and bending thicker pipe fittings is solved, and effective clamping and bending of thicker pipe fittings is achieved.
Patent Information
- Application Number
- CN202421502176.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-06-28
AI Technical Summary
When the existing bending device faces thicker pipe fittings, the bending main wheel and the restriction table cannot be clamped, and the angle between the bending column and the bending main wheel is too small, resulting in the bending inability to bend.
Adjust the height of the bent main wheel through the height adjustment screw so that its sides are parallel to the center line of the pipe fittings; use hydraulic jack to adjust the spacing between the restriction table and the bent main wheel to ensure that the pipe fittings are firmly clamped; adjust the spacing between the bent column and the bent main wheel by rotating the screw to make it exceed the diameter of the pipe fittings, and ensure that the pipe fittings can be bent normally.
Effective clamping and bending of thicker pipe fittings is achieved, the problem that existing devices cannot clamp and bending are solved, and the scope of application and bending accuracy of the device are improved.
Smart Images
Figure CN222830431U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of pipeline systems, in particular to an adjustable bending device for pipe processing. Background Art
[0002] Pipe fittings refer to various components connected in pipelines, which are mainly used for fluid transportation, control and regulation in pipeline systems. The structure of pipe fittings is usually arc-shaped curved pipe fittings. In order to adapt to the required angles of the pipeline system, people usually record the required angles of the pipe fittings and use bending devices to bend them on site as needed.
[0003] The existing bending device usually places the pipe between the bending main wheel and the limiting platform, and rotates the rotating rod so that the bending column on the rotating rod contacts the pipe. When the rotating rod rotates, the pipe is bent under the action of the bending main wheel and the bending column.
[0004] Although this bending structure can be used to bend commonly used pipes, when facing thicker pipes, the pipes cannot be clamped by the bending main wheel and the limiting table, or the pipe diameter exceeds the distance between the bending column and the bending main wheel, resulting in the phenomenon that the pipe cannot be bent. Utility Model Content
[0005] The technical problem to be solved by the utility model is that when the existing bending device faces a thicker pipe, the bending main wheel and the limiting platform cannot clamp, and the bending column and the bending main wheel cannot be bent due to the small angle.
[0006] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: an adjustable bending device for pipe processing, comprising a bending table, a bending device is arranged above the bending table, the bending device comprises a bending main wheel, a limiting platform located on one side of the bending main wheel and a rotating rod located below the bending main wheel, a bending column is arranged above the rotating rod, the bending main wheel and the rotating rod are connected by a fixing screw, the fixing screw passes through the bending table, the bending main wheel and the rotating rod, a partition is arranged between the bending main wheel and the rotating rod, a height adjustment screw is arranged on the bottom surface of the bending table, the height adjustment screw passes through the bending main wheel in sequence A bending table, a rotating rod and a partition, the fixed screw passes through the height adjustment screw, the limiting table is a movable auxiliary table, a hydraulic jack for controlling the position of the limiting table is provided on one side of the limiting table, the hydraulic jack is connected to the partition through a bolt structure, the bending column is a movable column, a positioning sliding mechanism for moving the bending column is provided inside the bending column, the positioning sliding mechanism includes a slide groove located inside the rotating rod, a slider corresponding to the slide groove, a screw for controlling the position of the slider and a sealing cover for closing the opening of the slide groove, the screw passes through the sealing cover, the slider and the bottom surface of the slide groove in sequence, and the slider is connected to the bending column by welding.
[0007] As an improvement, a corresponding rotating column is provided inside the rotating shaft through hole of the rotating rod, and the height adjustment screw passes through the rotating column.
[0008] As an improvement, the cylindrical surface of the rotating column and the rotating axis through hole of the rotating rod as well as the fixed screw and the internal through hole of the bending main wheel are all connected through bearings, and the bending table, rotating column, partition and fixed screw are all connected to the height adjustment screw through threads.
[0009] As an improvement, the limiting platform and the output shaft of the hydraulic jack as well as the side wall of the slideway and the sealing cover are all connected via a bolt structure.
[0010] As an improvement, the through hole inside the sealing cover and the through hole on the bottom surface of the slide groove are both connected to the screw rod through a bearing.
[0011] As an improvement, a fixing column supporting a partition is provided above the bending table, and the partition is connected to the fixing column by a bolt structure.
[0012] As an improvement, a control rod is provided on the bottom surface of the height adjustment screw, and the control rod passes through the side wall of the height adjustment screw.
[0013] Compared with the prior art, the advantages of the utility model are as follows: the device adjusts the height of the bending main wheel by a height adjustment screw so that its side surface is parallel to the center line of the pipe fitting, and adjusts the distance between the limiting platform and the bending main wheel by a hydraulic jack so that the pipe fitting can be firmly fixed between the limiting platform and the bending main wheel; and by rotating the screw rod, the distance between the bending column and the bending main wheel is adjusted so that it exceeds the diameter of the pipe fitting, so that the pipe fitting can be bent normally. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The utility model is a general structural diagram of an adjustable bending device for pipe processing.
[0015] Figure 2 The utility model is an exploded view of the overall structure of an adjustable bending device for pipe processing.
[0016] Figure 3 The utility model discloses an exploded view of a positioning sliding mechanism of an adjustable bending device for pipe processing.
[0017] Figure 4 The utility model is a cross-sectional view of a positioning sliding mechanism of an adjustable bending device for pipe processing.
[0018] As shown in the figure: 1. Bending table; 2. Bending device; 21. Bending main wheel; 22. Limiting table; 23. Rotating rod; 231. Rotating column; 24. Bending column; 25. Positioning sliding mechanism; 251. Slide groove; 252. Slider; 253. Screw; 254. Sealing cover; 3. Fixing screw; 4. Partition; 5. Height adjustment screw; 51. Control lever; 6. Hydraulic jack; 7. Bearing. DETAILED DESCRIPTION
[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0020] As the instruction manual Figure 1 , 2 As shown, it includes a bending table 1, a bending device 2 is provided above the bending table 1, the bending device 2 includes a bending main wheel 21, a limiting platform 22 located on one side of the bending main wheel 21 and a rotating rod 23 located below the bending main wheel 21, a bending column 24 is provided above the rotating rod 23, the bending main wheel 21 and the rotating rod 23 are connected by a fixing screw 3, the fixing screw 3 passes through the bending table 1, the bending main wheel 21 and the rotating rod 23, a partition 4 is provided between the bending main wheel 21 and the rotating rod 23, a fixing column 11 supporting the partition 4 is provided above the bending table 1, the partition 4 is connected to the fixing column 11 by a bolt structure, and a height adjustment screw 5 is provided on the bottom surface of the bending table 1, and the bottom surface of the height adjustment screw 5 A control rod 51 is provided, and the control rod 51 passes through the side wall of the height adjustment screw 5. The height adjustment screw 5 passes through the bending table 1, the rotating rod 23 and the partition 4 in sequence. The fixed screw 3 passes through the height adjustment screw 5. A corresponding rotating column 231 is provided inside the rotating shaft through hole of the rotating rod 23. The height adjustment screw 5 passes through the rotating column 231. The cylindrical surface of the rotating column 231 and the rotating shaft through hole of the rotating rod 23 as well as the fixed screw 3 and the internal through hole of the bending main wheel 21 are all connected through bearings 7. The bending table 1, the rotating column 231, the partition 4 and the fixed screw 3 are all connected to the height adjustment screw 5 through threads. The height of the bending main wheel 21 is adjusted by rotating the height adjustment screw 5 so that it can be fixed on the center side of the pipe.
[0021] The limiting platform 22 is a movable auxiliary platform. A hydraulic jack 6 for controlling the position of the limiting platform 22 is provided on one side of the limiting platform 22. The hydraulic jack 6 is connected to the partition 4 through a bolt structure. The limiting platform 22 and the output shaft of the hydraulic jack 6 are connected through a bolt structure. By adjusting the extension and retraction of the hydraulic jack 6, the distance between the limiting platform 22 and the bending main wheel 21 can be adjusted so that the pipe can be clamped.
[0022] As the instruction manual Figure 2 , 3As shown in Figure 4, the bending column 24 is a movable column, and a positioning sliding mechanism 25 for moving the bending column 24 is provided inside the bending column 24. The positioning sliding mechanism 25 includes a slide groove 251 located inside the rotating rod 23, a slider 252 corresponding to the slide groove 251, a screw 253 for controlling the position of the slider 252, and a sealing cover 254 for closing the opening of the slide groove 251. The screw 253 passes through the sealing cover 254, the slider 252 and the bottom surface of the slide groove 251 in sequence. The through hole inside the sealing cover 254 and the through hole on the bottom surface of the slide groove 251 are connected to the screw 253 through the bearing 7. The slider 252 is connected to the bending column 24 by welding, and the side wall of the slide groove 251 is connected to the sealing cover 254 by a bolt structure. The position of the slider 252 and the bending column 24 is adjusted by rotating the screw 253, so as to ensure that the bending column 24 and the bending main wheel can process pipe fittings normally.
[0023] During the specific implementation of the utility model, the bearing 7 is sleeved on the outer wall of the rotating column 231, the bearing through hole of the rotating rod 23 is sleeved on the bearing 7, the partition 4 is placed on the fixed column 11, the screw hole inside the fixed column 11 and the threaded through hole inside the partition 4 are aligned, and the screws are screwed in to fix them; the control rod 51 is sleeved on the bottom surface of the height adjustment screw 5, the height adjustment screw 5 is screwed in from the screw hole inside the bending table 1, and passes through the screw hole inside the fixed column 11 and the through hole inside the partition 4 in turn; the bending main wheel 21 is placed on the top surface of the height adjustment screw 5, the bearing 7 is placed in the internal through hole of the bending main wheel 21, the fixing screw 3 passes through the bearing 7, and is screwed in to adjust the height The threaded through hole on the top surface of the screw 5; align the threaded through hole inside the limiting platform 22 with the screw hole inside the output shaft of the hydraulic jack 6, and screw in the screw to fix it; align the threaded through hole on the bottom surface of the hydraulic jack 6 with the screw hole on the partition 4, and screw in the screw to fix it; screw the screw 253 into the screw hole inside the slider 252, put bearings 7 on both ends of the screw 253, slide the slider 252 into the slide groove 251, align the screw hole inside the sealing cover 254 with the screw holes at both ends of the side of the slide groove 251, and screw in the screw to fix it (the bearings 7 at both ends of the screw 253 are respectively located in the bearing 7 through holes on the sealing cover 254 and the bottom surface of the slide groove 251).
[0024] When in use, the height of the bending main wheel 21 is adjusted by rotating the control rod 51 of the height adjustment screw 5 to make it parallel to the center line of the pipe fitting, and the telescopic length of the output shaft of the hydraulic jack 6 is adjusted to adjust the distance between the bending main wheel 21 and the limiting platform 22 to ensure that the two can clamp the pipe fitting. The bending column 24 located above the slider 252 is moved by rotating the screw rod 253 so that the distance between the bending column 24 and the bending main wheel 21 is greater than the diameter of the pipe fitting to ensure that the pipe fitting can be bent normally.
[0025] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. An adjustable bending device for pipe processing, comprising a bending table (1), a bending device (2) being arranged above the bending table (1), the bending device (2) comprising a bending main wheel (21), a limiting platform (22) located on one side of the bending main wheel (21), and a rotating rod (23) located below the bending main wheel (21), a bending column (24) being arranged above the rotating rod (23), the bending main wheel (21) and the rotating rod (23) being connected by a fixing screw (3), the fixing screw (3) passing through the bending table (1), the bending main wheel (21) and the rotating rod (23), characterized in that: A partition (4) is provided between the bending main wheel (21) and the rotating rod (23); a height adjustment screw (5) is provided on the bottom surface of the bending table (1); the height adjustment screw (5) passes through the bending table (1), the rotating rod (23) and the partition (4) in sequence; the fixing screw (3) passes through the height adjustment screw (5); the limiting platform (22) is a movable auxiliary platform; a hydraulic jack (6) for controlling the position of the limiting platform (22) is provided on one side of the limiting platform (22); the hydraulic jack (6) is connected to the partition (4) through a bolt structure; the bending column (24) is a movable auxiliary platform. The movable column body is provided with a positioning sliding mechanism (25) for moving the bending column (24) inside. The positioning sliding mechanism (25) comprises a slide groove (251) located inside the rotating rod (23), a slider (252) corresponding to the slide groove (251), a screw rod (253) for controlling the position of the slider (252) and a sealing cover (254) for closing the opening of the slide groove (251). The screw rod (253) passes through the sealing cover (254), the slider (252) and the bottom surface of the slide groove (251) in sequence. The slider (252) is connected to the bending column (24) by welding.
2. The adjustable bending device for pipe processing according to claim 1, characterized in that: A corresponding rotating column (231) is provided inside the rotating shaft through hole of the rotating rod (23), and the height adjustment screw (5) passes through the rotating column (231).
3. The adjustable bending device for pipe processing according to claim 2, characterized in that: The cylindrical surface of the rotating column (231) and the rotating shaft through hole of the rotating rod (23) as well as the fixing screw (3) and the internal through hole of the bending main wheel (21) are all connected via a bearing (7); the bending table (1), the rotating column (231), the partition (4) and the fixing screw (3) are all connected to the height adjustment screw (5) via threads.
4. The adjustable bending device for pipe processing according to claim 1, characterized in that: The limiting platform (22) and the output shaft of the hydraulic jack (6) as well as the side wall of the slide groove (251) and the sealing cover (254) are all connected via a bolt structure.
5. The adjustable bending device for pipe processing according to claim 1, characterized in that: The through hole inside the sealing cover (254) and the through hole on the bottom surface of the slide groove (251) are both connected to the screw rod (253) via the bearing (7).
6. The adjustable bending device for pipe processing according to claim 1, characterized in that: A fixing column (11) supporting the partition (4) is provided above the bending table (1), and the partition (4) is connected to the fixing column (11) via a bolt structure.
7. The adjustable bending device for pipe processing according to claim 1, characterized in that: A control rod (51) is provided on the bottom surface of the height adjustment screw (5), and the control rod (51) passes through the side wall of the height adjustment screw (5).