Snakelike heating pipe bending device

Abstract

The utility model discloses a snakelike heating pipe bending device, which belongs to the technical field of snakelike heating pipe processing, and adopts the technical scheme that the snakelike heating pipe bending device comprises a bottom plate and a tire rail structure, a fixed tire wheel is mounted at the top of the bottom plate, and a trigger is arranged at the top of the fixed tire wheel; the bottom plate and the tire rail structure are matched to form a stable operation platform so as to facilitate follow-up pipe bending operation, the lower portion of the tire rail in the fixed tire wheel is stably installed on the top of the bottom plate to provide reliable support for pipe bending, the upper portion of the tire rail and the lower portion of the tire rail are arranged layer by layer and are in threaded connection through the fastening bolts, and assembling, adjusting and disassembling are convenient. The heating pipe bending device is simple in structure and capable of meeting the requirements of bent pipes with different curvatures, the trigger handle arranged at the top of the fixed tire wheel facilitates force application of an operator, the trigger handle can be conveniently taken down through the fastening bolt after the heating pipe bending action is completed, the upper portion of the tire rail can be conveniently taken down, and the position of the internal heating pipe can be adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to serpentine heating pipe processing technical field, especially a serpentine heating pipe pipe bending device. BACKGROUND

[0002] The shape design of serpentine heating pipe itself helps to increase the residence time and flow path length of fluid in the pipeline, and through pipe bending processing, the flow state of fluid can be further changed, when the fluid flows through the curved part, secondary flow phenomenon will occur, which makes the mixing of fluid on the cross section of the pipeline more sufficient, and heat transfer more uniform, in some heat exchangers, the pipe bending design of serpentine heating pipe can make the temperature difference between hot fluid and cold fluid more fully utilized, thereby improving the heat exchange efficiency.

[0003] When heating pipe processing is carried out, pipe bending action needs to be carried out according to the required shape, and when serpentine heating pipe processing is carried out, the curvature is large, the internal curvature is small, the pipe diameter is large, the pipe wall is thin, the bending structure is complex and requires single whole bending, and the manufacturing difficulty is large, so that the processing is relatively inconvenient, the existing manual pipe bending technology is generally composed of tire wheel, rolling wheel, pin shaft, handle and the like, and generally only U-shaped pipe with single curvature can be bent, and is limited to simple bending structure, and the curvature is single, which cannot meet the bending requirements of product serpentine heating pipe.

[0004] Therefore, a serpentine heating pipe pipe bending device is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a serpentine heating pipe pipe bending device, which can solve the problem that the existing heating pipe can only bend U-shaped pipe with single curvature when pipe bending processing is carried out, is limited to simple bending structure, and the curvature is single, which cannot meet the bending requirements of product serpentine heating pipe.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a serpentine heating pipe pipe bending device, comprising a bottom plate and a tire track structure, a fixed tire wheel is installed at the top of the bottom plate, a handle is arranged at the top of the fixed tire wheel;

[0007] The fixed tire wheel comprises a tire track lower part, a tire track upper part and a tight bolt, the tire track lower part is fixedly connected to the top of the bottom plate, the tire track upper part is arranged at the top of the tire track lower part, the tight bolt is arranged at the inner side of the tire track upper part, and the tight bolt is threadedly connected with the tire track lower part.

[0008] Preferably, a fixed pin shaft is installed at the top of the bottom plate, and the outer side of the fixed pin shaft is movably connected with the fixed tire wheel.

[0009] Preferably, the upper and lower portions of the track are hollow, and the outer sides of the upper and lower portions of the track are provided with recesses, and the top recess and the bottom recess are used in cooperation.

[0010] Preferably, the top of the bottom plate is provided with a rolling wheel.

[0011] Preferably, the top of the bottom plate is provided with a movable eccentric pin shaft.

[0012] Preferably, the inner side of the fixed tire wheel is provided with two pin shaft holes, and the pin shaft holes are arranged on the outer side of the fixed pin shaft.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The application is convenient for subsequent pipe bending operation by setting the bottom plate and the track structure to form a stable operation platform, the lower portion of the fixed tire wheel is stably installed on the top of the bottom plate to provide reliable support for pipe bending, the upper portion and the lower portion of the track are arranged in layers and are connected through a tight bolt, which is convenient for assembly, adjustment and disassembly, can adapt to different curvature pipe bending requirements, the handle arranged on the top of the fixed tire wheel is convenient for the operator to apply force, and after the heating pipe bending operation is completed, the handle can be conveniently removed through the tight bolt, so that the upper portion of the track can be removed and the position of the internal heating pipe can be adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure diagram of the serpentine heating pipe bending device of the utility model;

[0016] Figure 2 It is a structure diagram of the fixed tire wheel of the utility model;

[0017] Figure 3 It is a structure diagram of the upper portion of the track of the utility model;

[0018] Figure 4 It is a structure diagram of the fixed tire wheel of the utility model;

[0019] Figure 5 It is a structure diagram of the movable eccentric pin shaft of the utility model.

[0020] In the drawing, 1 is a bottom plate, 2 is a track structure, 3 is a fixed tire wheel, 301 is a lower portion of the track, 302 is an upper portion of the track, 303 is a tight bolt, 4 is a handle, 5 is a fixed pin shaft, 6 is a rolling wheel, 7 is a movable eccentric pin shaft, and 8 is a pin shaft hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides technical schemes:

[0023] A serpentine heating pipe bending device, comprising a bottom plate 1 and a track structure 2, the top of the bottom plate 1 is provided with a fixed track wheel 3, and the top of the fixed track wheel 3 is provided with a handle 4.

[0024] The fixed track wheel 3 comprises a track lower part 301, a track upper part 302 and a locking bolt 303, the track lower part 301 is fixedly connected to the top of the bottom plate 1, the track upper part 302 is arranged on the top of the track lower part 301, and the locking bolt 303 is arranged on the inner side of the track upper part 302 and is threadedly connected to the track lower part 301.

[0025] In the embodiment: the bottom plate 1 and the track structure 2 cooperate to form a stable operation platform, which is convenient for subsequent pipe bending operation, the track lower part 301 of the fixed track wheel 3 is stably installed on the top of the bottom plate 1 to provide reliable support for pipe bending, the track upper part 302 and the track lower part 301 are arranged in layers and are threadedly connected through the locking bolt 303, which is convenient for assembly, adjustment and disassembly and can adapt to different curvature pipe bending requirements, the handle 4 arranged on the top of the fixed track wheel 3 is convenient for operators to apply force, and after the heating pipe bending action is completed, the handle 4 can be conveniently removed through the locking bolt 303, so that the track upper part 302 can be removed and the internal heating pipe can be adjusted in position.

[0026] Specifically, as shown in Figure 1 The top of the bottom plate 1 is provided with a fixed pin shaft 5, and the outer side of the fixed pin shaft 5 is movably connected to the fixed track wheel 3.

[0027] Specifically, as shown in Figure 2 、 Figure 3 The track upper part 302 and the track lower part 301 are both hollow, the outer sides of the track upper part 302 and the track lower part 301 are both provided with recesses, and the top recess and the bottom recess are used in cooperation. Figure 1 The top of the bottom plate 1 is provided with a rolling wheel 6.

[0028] Specifically, as shown in Figure 1 、 Figure 5 The top of the bottom plate 1 is provided with a movable eccentric pin shaft 7.

[0029] Specifically, asFigure 4 As shown, the inner side of the fixed tire wheel 3 is provided with two pin holes 8, which are arranged outside the fixed pin 5.

[0030] Working principle: when in use, the heating pipe is vertically erected after being flattened at an appropriate position at one end of the heating pipe, the heating pipe is filled with dry sand and then the wooden plug is tightly wedged, the heating pipe is burned to deep red by using carbon fire furnace, and then it is naturally cooled to room temperature in the air, the operation is carried out in sections, the heating pipe is turned over in time to ensure uniform heating, the vibrating machine is used to vibrate the heating pipe when filling to make the sand compact, the heating pipe is placed between the two tire wheels, the innermost arc is first bent, the inner and outer layers are bent in turn, the center of the handle 4 and the rolling wheel 6 are adjusted, the bending is carried out in the counterclockwise direction, and the rubber hammer is knocked to make it fit the tire fixture, the surface of the tire wheel and the heating pipe is coated with appropriate amount of lubricating grease to reduce friction, the center of the fixed tire wheel 3 is replaced, after the bending is completed, all the upper parts 302 of the tire tracks are removed, the whole serpentine heating pipe is taken out, finally, the cutting position of the process allowance part at both ends of the heating pipe is marked according to the tire fixture, since the serpentine heating pipe is bent as a whole, it needs to be bent from the inside to the outside step by step, the upper part 302 of the tire track is detachable with the lower part 301 of the tire track, one tire track for each curvature, the whole heating pipe is bent, after the bending is completed, all the upper parts 302 of the tire tracks are removed, the whole serpentine heating pipe is taken out, the movable eccentric pin 7 is used to replace the movable pin in the prior art, and after being fixed with the rolling wheel 6 and the handle 4, the rolling wheel 6 and the heating pipe and the fixed tire wheel 3 are uniformly and fully stressed during bending, which can improve the bending effect.

[0031] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A serpentine heating tube bending device comprising a base plate (1) and a track structure (2), characterized in that: The top of the bottom plate (1) is provided with a fixed tire wheel (3), and the top of the fixed tire wheel (3) is provided with a handle (4). The fixed tire wheel (3) comprises a tire rail lower part (301), a tire rail upper part (302) and a fixing bolt (303), the tire rail lower part (301) is fixedly connected to the top of the bottom plate (1), the tire rail upper part (302) is arranged on the top of the tire rail lower part (301), and the fixing bolt (303) is arranged on the inner side of the tire rail upper part (302) and is in threaded connection with the tire rail lower part (301).

2. A serpentine heating tube bending device according to claim 1, characterized in that: The top of the bottom plate (1) is provided with a fixed pin shaft (5), and the outer side of the fixed pin shaft (5) is movably connected with the fixed tire wheel (3).

3. A serpentine heating tube bending apparatus according to claim 1, characterized in that: The tire rail upper part (302) and the tire rail lower part (301) are both hollow, and the outer sides of the tire rail upper part (302) and the tire rail lower part (301) are both provided with inner recesses, and the top inner recess and the bottom inner recess are used in cooperation.

4. A serpentine heating tube bending apparatus according to claim 1, characterized in that: The top of the bottom plate (1) is provided with a rolling wheel (6).

5. A serpentine heating tube bending apparatus according to claim 1, characterized in that: The top of the bottom plate (1) is provided with a movable eccentric pin shaft (7).

6. A serpentine heating tube bending apparatus according to claim 1, characterized in that: The inner side of the fixed tire wheel (3) is provided with two pin shaft holes (8), and the pin shaft holes (8) are arranged on the outer side of the fixed pin shaft (5).

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