Bending auxiliary device for pipe fitting installation

Abstract

The utility model relates to the field of pipe fitting installation equipment, in particular to a bending auxiliary device for pipe fitting installation, which comprises a rack, a vertical plate is arranged on the rack, a plurality of long grooves extending vertically are arranged on the vertical plate, sliding blocks are arranged in the long grooves in a sliding mode, two rotating rollers are arranged on the sliding blocks in a rotating mode, and a driving mechanism is arranged on the back face of the vertical plate. The driving mechanism is connected with the sliding blocks, a fixing pipe is horizontally arranged at the upper end of the stand column, an inflation mechanism is arranged on the machine frame, an inflation pipe is arranged at the upper end of the inflation mechanism, a first quick connector is arranged at the upper end of the inflation pipe, a plurality of long-strip-shaped air bags with different lengths are arranged on the machine frame, and second quick connectors are arranged at air inlets of the long-strip-shaped air bags. The utility model has the advantage of saving manpower.

Description

Technical Field

[0001] The utility model relates to the field of pipe fitting installation equipment, in particular to a bending auxiliary device for pipe fitting installation. Background Art

[0002] PE pipe fittings are a common type of pipe fittings. In the field of decoration, PE pipe fittings are needed for both wiring and water pipe arrangement. PE pipe fittings need to be bent according to the requirements of use. The existing bending is generally done by manpower. Due to the high strength of PE pipe fittings, bending PE pipe fittings requires a lot of manpower, resulting in high labor intensity for operators. Moreover, the accuracy of manual bending of pipe fittings cannot be guaranteed. Therefore, it is particularly necessary to develop a bending auxiliary device for pipe fitting installation that can save manpower. Summary of the Invention

[0003] The purpose of the utility model is to provide a bending auxiliary device for pipe installation, which has the advantage of saving manpower.

[0004] The technical solutions adopted are as follows:

[0005] A bending auxiliary device for pipe installation includes a frame, a vertical plate is provided on the frame, a plurality of vertically extending long slots are provided on the vertical plate, sliders are slidably provided in the long slots, two rollers are rotatably provided on the sliders, a driving mechanism is provided on the back of the vertical plate, the driving mechanism is connected to each slider, a fixed tube is horizontally provided at the upper end of the column, an inflation mechanism is provided on the frame, an inflation tube is provided at the upper end of the inflation mechanism, a first quick connector is provided at the upper end of the inflation tube, a plurality of long strip air bags of different lengths are provided on the frame, and a second quick connector is provided at the air inlet of the long strip air bags.

[0006] Preferably, the driving mechanism includes a plurality of vertically rotating screws, each of which is threadedly connected to the corresponding slider, a driving box is provided on the frame, the screws extend into the driving box, the lower ends of the screws are provided with driven bevel gears, the driving box is provided with a plurality of transmission shafts for horizontal rotation, the ends of the transmission shafts are fixedly connected to active bevel gears, the active bevel gears are meshed with the corresponding driven bevel gears, and a plurality of driving motors respectively connected to each transmission shaft are provided on the outside of the driving box.

[0007] Preferably, a pipe clamping mechanism is provided in the fixed tube, and the pipe clamping mechanism includes a plurality of annular airbags arranged at intervals, each of the annular airbags is provided with an air intake valve, and a third quick connector is provided at the end of the air intake valve.

[0008] Preferably, an airbag frame is provided on the frame, and a plurality of spring clips are provided on the airbag frame.

[0009] Preferably, the outer sides of the elongated airbags are marked with lengths.

[0010] Preferably, the sides of the rollers are wrapped with rubber sleeves.

[0011] Compared with the existing technology, the beneficial effects are:

[0012] 1. Before bending the pipe, the utility model inserts the end of the pipe into the fixed tube, then selects a long strip airbag with a length close to that of the pipe and inserts it into the pipe, connects the first quick connector and the second connector, and uses an inflation mechanism to inflate the long strip airbag to support the inner wall of the pipe. Then, according to the curvature to be bent, each slider is moved separately, and the pipe is bent using multiple sets of rollers. Compared with manual bending, it saves more manpower, and during bending, the long strip airbag is inflated to support the inner wall of the pipe, thereby reducing the risk of pipe breakage.

[0013] 2. The utility model utilizes a pipe clamping mechanism to clamp the pipe, thereby reducing loosening of the pipe when the pipe is bent. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional structural diagram of a bending auxiliary device for pipe installation in the utility model.

[0015] Figure 2 This is a rear structural diagram of a bending auxiliary device for pipe installation according to the utility model.

[0016] Figure 3 This is a right-side structural diagram of a bending auxiliary device for pipe installation according to the utility model.

[0017] In the figure: 1. Frame; 2. Vertical plate; 3. Long groove; 4. Slider; 5. Roller; 6. Lead screw; 7. Drive box; 8. Drive motor; 9. Fixed tube; 10. Inflation mechanism; 11. Inflation tube; 12. First quick connector; 13. Long strip airbag; 14. Second quick connector; 15. Airbag frame; 16. Spring clip; 17. Inlet valve; 18. Third quick connector. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to specific embodiments. Figures 1 to 3 As shown:

[0019] Example 1: A bending auxiliary device for pipe installation includes a frame 1, a vertical plate 2 is provided on the frame 1, a plurality of vertically extending long grooves 3 are provided on the vertical plate 2, sliders 4 are slidingly provided in the long grooves 3, two rollers 5 are rotatably provided on the sliders 4, the rollers 5 on the same slider 4 are distributed up and down, a driving mechanism is provided on the back of the vertical plate 2, the driving mechanism is connected to each slider 4, the driving mechanism drives the corresponding slider 4 to rise and fall, thereby controlling the corresponding roller 5 to rise and fall.

[0020] A fixing tube 9 is horizontally provided at the upper end of the column, and an inflation mechanism 10 is provided on the frame 1. The inflation mechanism 10 is a prior art and will not be described in detail here. An inflation tube 11 is provided at the upper end of the inflation mechanism 10, and a first quick connector 12 is provided at the upper end of the inflation tube 11. A plurality of elongated air bags 13 of different lengths are provided on the frame 1, and a second quick connector 14 is provided at the air inlet of the elongated air bag 13.

[0021] Before bending the pipe, insert the end of the pipe into the fixed tube 9, then select a long air bag 13 with a length close to that of the pipe and insert it into the pipe, connect the first quick connector 12 and the second joint, and use the inflation mechanism 10 to inflate the long air bag 13 to support the inner wall of the pipe. Then, according to the curvature to be bent, move each slider 4 separately and use multiple sets of rollers 5 to bend the pipe.

[0022] Example 2: A bending auxiliary device for pipe installation, including a frame 1, a vertical plate 2 is provided on the frame 1, a plurality of vertically extending long grooves 3 are provided on the vertical plate 2, sliders 4 are slidingly provided in the long grooves 3, two rollers 5 are rotatably provided on the sliders 4, the rollers 5 on the same slider 4 are distributed up and down, and the sides of the rollers 5 are wrapped with rubber sleeves, a driving mechanism is provided on the back of the vertical plate 2, the driving mechanism is connected to each slider 4, and the driving mechanism drives the corresponding slider 4 to rise and fall, thereby controlling the corresponding roller 5 to rise and fall.

[0023] The driving mechanism includes a plurality of vertically rotating lead screws 6, each of which is threadedly connected to the corresponding slider 4. A driving box 7 is provided on the frame 1, and the lead screws 6 extend into the drive box 7. The lower end of the lead screw 6 is provided with a driven bevel gear. The drive box 7 is provided with a plurality of transmission shafts for horizontal rotation, and the end of the transmission shaft is fixedly connected to the driving bevel gear, and the driving bevel gear is engaged with the corresponding driven bevel gear. The outside of the drive box 7 is provided with a plurality of driving motors 8 respectively connected to each transmission shaft.

[0024] A fixing tube 9 is horizontally provided at the upper end of the column, and an inflation mechanism 10 is provided on the frame 1. The inflation mechanism 10 is a prior art and will not be described in detail here. An inflation tube 11 is provided at the upper end of the inflation mechanism 10, and a first quick connector 12 is provided at the upper end of the inflation tube 11. A plurality of elongated air bags 13 of different lengths are provided on the frame 1, and a second quick connector 14 is provided at the air inlet of the elongated air bag 13. The length of the outer side of the elongated air bag 13 is marked.

[0025] A pipe clamping mechanism is provided in the fixed tube 9, and the pipe clamping mechanism includes a plurality of annular airbags arranged at intervals. Each annular airbag is provided with an air intake valve 17, and a third quick connector 18 is provided at the end of the air intake valve 17. When bending the pipe, the pipe clamping mechanism is used to clamp the pipe to reduce the loosening of the pipe when bending. An airbag frame 15 is provided on the frame 1, and a plurality of spring clips 16 are provided on the airbag frame 15. When not in use, the spring clips 16 are used to clamp the long strip airbag 13.

[0026] The specific working process is as follows: before bending the pipe, the end of the pipe is inserted into the fixed tube 9, and the third quick connector 18 is connected to the first quick connector 12, and the air inlet valve 17 is opened. The annular airbags are inflated by the inflation mechanism 10 so that the annular airbags clamp the pipe. Then, the air inlet valve 17 is closed and the third quick connector 18 and the first quick connector 12 are disconnected. Then, a long strip airbag 13 with a length close to that of the pipe is selected and inserted into the pipe. The first quick connector 12 and the second block connector are connected. The long strip airbag 13 is inflated by the inflation mechanism 10 to support the inner wall of the pipe. Then, according to the curvature to be bent, each slider 4 is moved separately, and the pipe is bent by multiple sets of rollers 5.

[0027] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A bending auxiliary device for pipe installation, characterized in that: The invention comprises a frame (1), a vertical plate (2) is provided on the frame (1), a plurality of vertically extending long slots (3) are provided on the vertical plate (2), a slider (4) is slidably provided in each of the long slots (3), two rollers (5) are rotatably provided on each of the sliders (4), a driving mechanism is provided on the back of the vertical plate (2), the driving mechanism is connected to each of the sliders (4), a fixed tube (9) is horizontally provided at the upper end of the column, an inflation mechanism (10) is provided on the frame (1), an inflation tube (11) is provided at the upper end of the inflation mechanism (10), a first quick connector (12) is provided at the upper end of the inflation tube (11), a plurality of long strip air bags (13) of different lengths are provided on the frame (1), and a second quick connector (14) is provided at the air inlet of the long strip air bag (13).

2. A bending auxiliary device for pipe installation according to claim 1, characterized in that: The driving mechanism comprises a plurality of vertically rotatable screws (6), each of which is threadedly connected to a corresponding slider (4); a driving box (7) is provided on the frame (1); the screws (6) extend into the driving box (7); a driven bevel gear is provided at the lower end of each screw (6); a plurality of transmission shafts are provided in the driving box (7) for horizontal rotation; the ends of the transmission shafts are fixedly connected to driving bevel gears, the driving bevel gears are meshed with corresponding driven bevel gears; and a plurality of driving motors (8) are provided on the outside of the driving box (7) and are respectively connected to each transmission shaft.

3. A bending auxiliary device for pipe installation according to claim 1, characterized in that: The fixing tube (9) is provided with a pipe clamping mechanism, which comprises a plurality of annular air bags arranged at intervals, each of which is provided with an air inlet valve (17), and a third quick connector (18) is provided at the end of the air inlet valve (17).

4. A bending auxiliary device for pipe installation according to claim 1, characterized in that: An airbag frame (15) is provided on the frame (1), and a plurality of spring clips (16) are provided on the airbag frame (15).

5. The bending auxiliary device for pipe installation according to claim 1, characterized in that: The outer sides of the elongated airbags (13) are marked with lengths.

6. A bending auxiliary device for pipe installation according to claim 1, characterized in that: The sides of the rotating roller (5) are all wrapped with rubber sleeves.

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