Heating device for bending PVC (polyvinyl chloride) pipeline

Abstract

The utility model discloses a heating device for hot bending of a PVC (polyvinyl chloride) pipeline, which comprises a heating box main body, pipeline inlets are formed in the surfaces of the two ends of the heating box main body, a driven gear ring is arranged on one side of the horizontal plane of each pipeline inlet, and a pipeline ring is fixedly arranged on the surface of the inner side of each driven gear ring through a connecting rod. A rotating plate is fixedly arranged on the surface of one side of the driven gear ring, a plurality of rotating balls are arranged on the surface of the rotating plate, the surfaces of the rotating balls are movably in contact with the surface of a sliding groove in a fixing ring, and a gear rotating structure is arranged to be matched with a clamping structure so that a pipeline to be heated can be evenly heated; when a pipeline is placed in the pipeline ring and enters the heating box main body through a pipeline inlet, and a driven gear ring is driven by a driving structure to rotate, a plurality of rotating balls arranged on the surface of a rotating plate can rotate in a groove of a sliding groove in a fixing ring, and the fixing ring and other structures are arranged so that the pipeline can be conveniently placed; and meanwhile, rotation of the pipeline can be assisted.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline heating technical field, concretely is a heating device for PVC pipeline bending. BACKGROUND

[0002] PVC pipe is the hard polyvinyl chloride pipe, which is formed by extrusion with polyvinyl chloride resin, stabilizer, lubricant and the like by hot pressing method, and is the earliest developed and applied plastic pipe. The plastic pipe is used for drainage, waste water, chemicals, heating liquid and cooling liquid, food, ultra-pure liquid, slurry, gas, compressed air and vacuum system applications. In order to be suitable for installation in various states, it is necessary to bend the PVC pipe.

[0003] For example, a heating device for PVC pipeline bending is disclosed in the publication No. CN201537646U, which comprises a base, a top cover, an electric heating pipe and a temperature controller. The base is a stainless steel shell, and a temperature controller and a protection switch are arranged at the lower part of the base. The protection switch is connected with a high-temperature resistant cable and a socket. The top cover is also a stainless steel shell, and a handle is arranged at each end of the top cover to open and close the top cover. Hinges are arranged at the lower part of the two sides of the top cover, and the top cover and the base are connected by the hinges to form a cubic stainless steel shell. A heat preservation layer filled with heat insulation fiber felt is arranged in the cubic stainless steel shell, and a heating inner cavity is defined by the heat preservation layer. Two 75mm circular openings are arranged at the two sides of the inner cavity, and two aluminum supporting rollers are arranged at the two ends of each opening. The electric heating pipe is in T shape and arranged in the heating inner cavity, and electrically connected with the temperature controller.

[0004] However, it is found in actual use that the PVC pipeline is not uniformly heated when it is rotated by the supporting rollers, and one side of the PVC pipeline is continuously heated during rotation. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a heating device for PVC pipeline bending to solve the problems in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a heating device for PVC pipeline bending, which comprises a heating box main body. Pipe inlets are arranged on the surfaces of the two ends of the heating box main body, and a driven gear ring is arranged on one side of the horizontal plane of each pipe inlet. A pipe ring is fixedly arranged on the inner side surface of the driven gear ring through a connecting rod. A rotating plate is fixedly arranged on one side surface of the driven gear ring. A plurality of rotating balls are arranged on the surface of the rotating plate, and the surfaces of the rotating balls are in movable contact with the surfaces of the inner sliding grooves of the fixed rings.

[0007] According to the technical scheme, the surface of the pipe ring is provided with two threaded sleeves, the middle surface of the threaded sleeve is threadedly connected with an adjusting bolt, and the other end of the adjusting bolt is provided with a clamping block.

[0008] According to the technical scheme, the outer surface of the fixing ring is fixedly provided with a mounting rack, and the mounting rack is fixedly arranged on one side surface of the heating box body.

[0009] According to the technical scheme, the surface of the driven gear ring is engagedly connected with a driving gear, the middle surface of the driving gear is fixedly connected with the output end of a driving motor, the bottom end surface of the driving motor is provided with a fixing plate, and the fixing plate is fixedly arranged on the surface of the heating box body.

[0010] According to the technical scheme, the inside of the heating box body is provided with an electric heating pipe, and the inner wall of the heating box body is provided with a heat preservation layer.

[0011] According to the technical scheme, the bottom end of the heating box body is fixedly provided with two supporting columns.

[0012] According to the technical scheme, one side surface of the heating box body is movably connected with a top cover through a hinge, and the top end surface of the top cover is fixedly provided with two handles.

[0013] According to the technical scheme, the bottom end surface of the heating box body is fixedly provided with a PLC control box and a temperature control box, the surface of the PLC control box is provided with a box door, and the surface of the temperature control box is provided with a plurality of adjusting buttons.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are that: the gear rotation structure cooperates with the clamping structure to make the heated pipeline uniformly heated, when the pipeline is placed in the inside of the pipe ring and enters the heating box body through the pipeline inlet, and the driven gear ring rotates under the driving of the driving structure, a plurality of rotating beads arranged on the surface of the rotating plate can rotate in the groove of the sliding groove in the fixing ring, the fixing ring and other structures are arranged to facilitate the placement of the pipeline, and can assist the rotation of the pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model. In the drawings:

[0016] Figure 1 It is the main structure schematic view of the heating device of the PVC pipeline bending of the application;

[0017] Figure 2 It is the side surface structure schematic view of the heating device of the PVC pipeline bending in the application.

[0018] Figure 3 For the clamping structure in this application schematic diagram;

[0019] Figure 4 For the heating structure in this application schematic diagram. DETAILED DESCRIPTION

[0020] 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 protection of the utility model.

[0021] Please refer to Figures 1-3 The utility model provides technical scheme: heating device for PVC pipeline bends, including heating box main part 1, pipeline import 2 is set up in the both ends surface of heating box main part 1, and pipeline import 2 horizontal plane one side is provided with driven gear ring 16, and the inner side surface of driven gear ring 16 is fixed with pipeline ring 17 through connecting rod 21, and one side surface of driven gear ring 16 is fixed with rotating plate 19, and the surface of rotating plate 19 is provided with multiple rotating beads 20, and the surface of rotating beads 20 is in contact with the surface of fixed ring 15 inner sliding slot 18, and the pipeline with heating can be heated evenly by setting gear rotation structure cooperation clamping structure, when the pipeline is placed in the inside of pipeline ring 17 and enters heating box main part 1 through pipeline import 2, and driven gear ring 16 rotates under the drive of driving structure, multiple rotating beads 20 set on the surface of rotating plate 19 can rotate in the recess of fixed ring 15 inner sliding slot 18, and the pipeline is placed conveniently by setting fixed ring 15 and other structures, and the rotation of the pipeline can be assisted.

[0022] Please refer to Figures 1-3 The surface of pipeline ring 17 is provided with two threaded sleeves 22, the middle surface of threaded sleeve 22 is screw connected with adjusting bolt 23, and the other end of adjusting bolt 23 is provided with clamping block 24, when the pipeline is placed in the inside of pipeline ring 17, according to the size of the pipeline, rotating adjusting bolt 23 cooperates threaded sleeve 22 and clamping block 24 to firmly clamp the pipeline.

[0023] Please refer to Figures 1-3 The outer surface of fixed ring 15 is fixedly provided with mounting bracket 14, and mounting bracket 14 is fixedly arranged on the side surface of heating box main part 1, and the setting mounting bracket 14 can make fixed ring 15 stably arranged on the surface of heating box main part 1, so as to facilitate the subsequent heating work of the pipeline.

[0024] Please refer to Figures 1-3The surface of the driven gear ring 16 is meshingly connected with the driving gear 13, the middle surface of the driving gear 13 is fixedly connected with the output end of the driving motor 12, and the bottom end surface of the driving motor 12 is provided with a fixed plate 11 which is fixedly arranged on the surface of the heating box body 1. The fixed plate 11 can facilitate the placement of the driving motor 12, and the driving motor 12 arranged can drive the driving gear 13 to rotate, and the driven gear ring 16 meshingly connected can drive other structures on the surface thereof to rotate.

[0025] Please refer to Figures 1-4 The inside of the heating box body 1 is provided with an electric heating pipe 25, and the inner wall of the heating box body 1 is provided with a heat preservation layer. The electric heating pipe 25 arranged in the inside of the heating box body 1 and the heat preservation layer can heat the surface of the pipe, and can prevent heat loss at the same time.

[0026] Please refer to Figure 1 The bottom end of the heating box body 1 is fixedly provided with two supporting columns 4. The two supporting columns 4 arranged fixedly can provide stable supporting force for the heating box body 1.

[0027] Please refer to Figure 1 One side surface of the heating box body 1 is movably connected with a top cover 3 through a hinge 6. The top end surface of the top cover 3 is fixedly provided with two handles 5. The hinge 6 arranged can make the worker hold the two handles 5 to cover or open the top cover 3 and the heating box body 1.

[0028] Please refer to Figure 1 The bottom end surface of the heating box body 1 is fixedly provided with a PLC control box 7 and a temperature control box 8. The surface of the PLC control box 7 is provided with a box door 9, and the surface of the temperature control box 8 is provided with a plurality of adjusting buttons 10. The worker can operate the PLC control box 7 and the temperature control box 8 arranged to simplify the heating work of the pipe, and the plurality of adjusting buttons 10 arranged can adjust the temperature according to the pipes of different materials.

[0029] It should be noted that, in the present text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0030] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A heating device for bending PVC pipes, comprising a heating box body (1), characterized in that: The both end surfaces of the heating box body (1) are provided with pipeline inlets (2), and the horizontal side of the pipeline inlets (2) is provided with driven gear rings (16), the inner side surfaces of the driven gear rings (16) are fixedly provided with pipeline rings (17) through connecting rods (21), one side surface of the driven gear rings (16) is fixedly provided with rotating plates (19), the surface of the rotating plates (19) is provided with a plurality of rotating balls (20), and the surface of the rotating balls (20) is movably contacted with the surface of the inner sliding grooves (18) of the fixed rings (15).

2. The heating device for heating a PVC pipe bend as claimed in claim 1, wherein: The surface of the pipeline ring (17) is provided with two threaded sleeves (22), the middle surface of the threaded sleeves (22) is screw-connected with adjusting pins (23), and the other end of the adjusting pins (23) is provided with clamping blocks (24).

3. The heating device for heating a PVC pipe bend as claimed in claim 1, wherein: The outer surface of the fixed ring (15) is fixedly provided with a mounting frame (14), and the mounting frame (14) is fixedly arranged on one side surface of the heating box body (1).

4. The heating device for heating a PVC pipe bend as claimed in claim 1, wherein: The surface of the driven gear ring (16) is engagedly connected with a driving gear (13), the middle surface of the driving gear (13) is fixedly connected with the output end of a driving motor (12), the bottom end surface of the driving motor (12) is provided with a fixed plate (11), and the fixed plate (11) is fixedly arranged on the surface of the heating box body (1).

5. The heating device for heating a PVC pipe bend as claimed in claim 1, wherein: The inside of the heating box body (1) is provided with an electric heating pipe (25), and the inner wall of the heating box body (1) is provided with a heat preservation layer.

6. The heating device for heating a PVC pipe bend as claimed in claim 1, wherein: The bottom end of the heating box body (1) is fixedly provided with two supporting columns (4).

7. The heating device for heating a PVC pipe bend as claimed in claim 1, wherein: One side surface of the heating box body (1) is movably connected with a top cover (3) through a hinge (6), and the top end surface of the top cover (3) is fixedly provided with two handles (5).

8. The heating device for heating a PVC pipe bend as claimed in claim 1, wherein: The bottom end surface of the heating box body (1) is fixedly provided with a PLC control box (7) and a temperature control box (8), the surface of the PLC control box (7) is provided with a box door (9), and the surface of the temperature control box (8) is provided with a plurality of adjusting buttons (10).

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