CN203357483U

CN203357483U - Pipeline inner-flange cutting tool

Info

Publication number: CN203357483U
Application number: CN 201320116991
Authority: CN
Inventors: 史春志; 乔进; 刘存华; 王卫华; 崔立增
Original assignee: SHANGHAI YADA PLASTIC PRODUCTS CO Ltd
Current assignee: SHANGHAI YADA PLASTIC PRODUCTS CO Ltd
Priority date: 2013-03-14
Filing date: 2013-03-14
Publication date: 2013-12-25
Anticipated expiration: 2023-03-14

Abstract

The utility model discloses a pipeline inner-flange cutting tool including a tool body, a rotating cutter rest for cutting a pipeline inner flange, and two support arms. The rotating cutter rest and the tool body are in a shaft connection, the two support arms are respectively and movably connected with the tool body, and the two support arms and the rotating cutter rest form a triangular structure. The tool provided can be arranged at the inner flange inside a pipe, the rotating cutter rest can be rotated to enable the end part of the cutter rest to tightly attach to the inner flange of the inner surface of the pipe, so that the rotating cutter rest and the two support arms form a triangular three-point support inside the pipe. The smooth cutting of the inner flange by means of the rotating cutter rest can be realized through the rotation of the tool. The tool provided is simple in structure, low in cost, convenient for operation, and greatly improves the work efficiency and the work quality.

Description

A kind of pipeline in-flanges resecting tool

Technical field

The utility model relates to pipeline processing aid field, particularly a kind of pipeline in-flanges resecting tool.

Background technology

During the polyvinyl fuel gas pipeline heat-melting butt-joint, weld bond place pipe interior can produce certain flange, the existence of flange causes the latus rectum of pipe interior reality greatly to reduce, increased the flow resistance of the medium flow through in the pipeline, media flow in pipeline is a greater impact, needs special resecting tool butt welding mouth place in-flanges to be excised for this reason.

At present, lack the special excision weld bond in-flanges instrument of design for this reason on market, cause in practical operation the very inconvenience of excision of flange, operating efficiency is low.

The utility model content

Lack the problem of special excision pipe welding port in-flanges instrument in order to solve prior art, the utility model embodiment provides a kind of pipeline in-flanges resecting tool.Described technical scheme is as follows:

A kind of pipeline in-flanges resecting tool, described pipeline in-flanges resecting tool comprises: tool body, swivelling tool-holder and two support arms for excising the pipeline in-flanges, described swivelling tool-holder is connected with described tool body axle, described two support arms are flexibly connected with described tool body respectively, and described two support arms and described swivelling tool-holder form three-legged structure.

Further, described swivelling tool-holder comprises: blade, bearing and for rotating the handle of described swivelling tool-holder, and described bearing one end is connected with described tool body axle, and the described bearing other end is fixedly connected with described blade, and described handle is arranged on described bearing.

Further, the tangential direction of described blade and described inner surface of pipeline is 18 degree angles.

Particularly, as preferably, described pipeline in-flanges resecting tool also comprises two fastening bolts, on described tool body, corresponding described two support arm places are provided with elongated slot, described two fastening bolts are respectively through described two elongated slots that support arm is corresponding, and described two fastening bolts are fixedly connected with an end of each self-corresponding support arm respectively, described two fastening bolts can slide along each self-corresponding described elongated slot.

As preferably, described pipeline in-flanges resecting tool also comprises nylon roller, and the other end of described two support arms is provided with described nylon roller.

As preferably, described pipeline in-flanges resecting tool also comprises the lengthening action bars, and described lengthening action bars is connected with described handle.

As preferably, described pipeline in-flanges resecting tool also comprises that described cross soft board is fixedly connected on described tool body for clearing up the cross soft board of in-flanges chip.

The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:

The utility model is placed on to the in-flanges place of pipe interior, rotating swivelling tool-holder is close to the end of knife rest and the in-flanges of inner surface of pipeline, so swivelling tool-holder and two support arms form leg-of-mutton supported at three point at pipe interior, rotate the utility model, can realize that swivelling tool-holder is excised in-flanges smoothly, the utility model is simple in structure, with low cost, it is very convenient to operate, and has greatly improved operating efficiency and work quality.

The accompanying drawing explanation

In order to be illustrated more clearly in the technical scheme in the utility model embodiment, in below describing embodiment, the accompanying drawing of required use is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.

Fig. 1 is the structural representation of the pipeline in-flanges resecting tool that provides of the utility model embodiment;

Fig. 2 is the working state figure of the pipeline in-flanges resecting tool that provides of the utility model embodiment.

Wherein: 1 tool body, 11 elongated slots,

2 support arms,

3 swivelling tool-holders, 31 blades, 32 bearings, 33 handles,

4 fastening bolts,

5 rollers,

6 cross soft boards,

7 pipelines, 71 in-flanges.

The specific embodiment

For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.

As shown in Figure 1, also can be referring to Fig. 2, a kind of pipeline 7 in-flanges 71 resecting tools that the utility model embodiment provides, described pipeline 7 in-flanges 71 resecting tools comprise: tool body 1, swivelling tool-holder 3 and two support arms 2 for excising pipeline 7 in-flanges 71, described swivelling tool-holder 3 is connected with described tool body 1 axle, described two support arms 2 are flexibly connected with described tool body 1 respectively, and described two support arms 2 form three-legged structure with described swivelling tool-holder 3.

The utility model is placed on to in-flanges 71 places of pipeline 7 inside, rotating swivelling tool-holder 3 is close to the end of knife rest and the in-flanges 71 of pipeline 7 inner surfaces, so swivelling tool-holder 3 and two support arms 2 are in the leg-of-mutton supported at three point of pipeline 7 inner formation, rotate the utility model, can realize that swivelling tool-holder 3 is excised in-flanges 71 smoothly, the utility model is simple in structure, with low cost, it is very convenient to operate, and has greatly improved operating efficiency and work quality.

As shown in Figure 1, also can be referring to Fig. 2, further, described swivelling tool-holder 3 comprises: blade 31, bearing 32 and the handle 33 for rotating described swivelling tool-holder 3, described bearing 32 1 ends are connected with described tool body 1 axle, described bearing 32 other ends are fixedly connected with described blade 31, and described handle 33 is arranged on described bearing 32.

As shown in Figure 2, further, described blade 31 is 18 degree angles with the tangential direction of described pipeline 7 inner surfaces.

Wherein, bearing 32 is generally U-shaped, the one end is connected with tool body 1 by rotating shaft, blade 31 is installed, the cutting edge of blade 31 and the cutting edge inclinations of being spent by the inner surface tangential direction in Pipe Cutting road 7 formation 18, the smooth incision in-flanges 71 of blade 31 while guaranteeing to start to cut on the other end, during work, turning handle 33 drives whole swivelling tool-holder 3 rotations, and blade 31 and in-flanges 71 places of pipeline 7 inner surfaces are close to, and then rotates the utility model and carries out excision work.

As shown in Figure 1, also can be referring to Fig. 2, particularly, as preferably, described pipeline 7 in-flanges 71 resecting tools also comprise two fastening bolts 4, and on described tool body 1, corresponding described two support arm 2 places are provided with elongated slot 11, and described two fastening bolts 4 pass respectively the elongated slot 11 of described two support arm 2 correspondences, and described two fastening bolts 4 are fixedly connected with an end of each self-corresponding support arm 2 respectively, described two fastening bolts 4 can slide along each self-corresponding described elongated slot 11.So setting can make two support arms 2 slidably reciprocate along elongated slot 11, thereby realizes that the length of two support arms 2 is flexible, with the pipeline 7 of tackling different tube diameters, all can carry out excision work.

As shown in Figure 1, also can be referring to Fig. 2, as preferably, described pipeline 7 in-flanges 71 resecting tools also comprise nylon roller 5, the other end of described two support arms 2 is provided with described nylon roller 5, be provided with nylon roller 5 at support arm 2 with the place that pipeline 7 inner surfaces contact, thereby can not produce injury to pipeline 7 inner surfaces when excision work, and roller 5 rollings facilitate the utility model in pipeline 7 inner rotation excisions, those skilled in the art are known, the quantity of support arm 2 and nylon roller 5 all can according to actual needs, arrange flexibly.

As preferably, described pipeline 7 in-flanges 71 resecting tools also comprise the lengthening action bars, and described lengthening action bars is connected with described handle 33.Action bars can be single or many serial connections, and purpose is when the utility model is placed in pipeline 7 depths, at pipeline 7 oral areas, by the rotating operation bar, can realize handled easily of the present utility model.

As shown in Figure 1, as preferably, described pipeline 7 in-flanges 71 resecting tools also comprise that described cross soft board 6 is fixedly connected on described tool body 1 for clearing up the cross soft board 6 of in-flanges 71 chips.After in-flanges 71 is got off by the utility model complete resection, drop on pipeline 7 inside, the utility model is taken out to pipeline 7, cross soft board 6 can be followed the utility model and together be taken out, and cross soft board 6 catches on the in-flanges 71 after excision together to be taken out to pipeline 7 outsides, convenient and practical.

During practical operation, according to the specification by Pipe Cutting road 7, the utility model is stretched into to pipeline 7 inside, forward swivelling tool-holder 3 to horizontal level, the external diameter of two support arm 2 rollers 5 and swivelling tool-holder 3 supported at three points is less than pipeline 7 internal diameters in order to insert smoothly; Swivelling tool-holder 3 is adjusted to the position of two support arms 2 in apical position simultaneously, made two support arms, 2 rollers 5 and knife rest bearing and pipeline 7 inner surface laminatings, two support arms 2 are locked by fastening bolt 4; The utility model is stretched into to pipeline 7 in-flanges 71 positions, and on two support arms 2, two side wheels 5 overlap substantially with in-flanges 71; Blade 31 is cut to in-flanges 71 gradually, to penetraction depth, firmly revolve the utility model and start trimming.

Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.

One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be read-only storage, disk or CD etc.

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. a pipeline in-flanges resecting tool, it is characterized in that, described pipeline in-flanges resecting tool comprises: tool body, swivelling tool-holder and two support arms for excising the pipeline in-flanges, described swivelling tool-holder is connected with described tool body axle, described two support arms are flexibly connected with described tool body respectively, and described two support arms and described swivelling tool-holder form three-legged structure.

2. pipeline in-flanges resecting tool according to claim 1, it is characterized in that, described swivelling tool-holder comprises: blade, bearing and for rotating the handle of described swivelling tool-holder, described bearing one end is connected with described tool body axle, the described bearing other end is fixedly connected with described blade, and described handle is arranged on described bearing.

3. pipeline in-flanges resecting tool according to claim 2, is characterized in that, the tangential direction of described blade and described inner surface of pipeline is 18 degree angles.

4. pipeline in-flanges resecting tool according to claim 3, it is characterized in that, described pipeline in-flanges resecting tool also comprises two fastening bolts, on described tool body, corresponding described two support arm places are provided with elongated slot, described two fastening bolts are respectively through described two elongated slots that support arm is corresponding, and described two fastening bolts are fixedly connected with an end of each self-corresponding support arm respectively, described two fastening bolts can slide along each self-corresponding described elongated slot.

5. pipeline in-flanges resecting tool according to claim 4, is characterized in that, described pipeline in-flanges resecting tool also comprises nylon roller, and the other end of described two support arms is provided with described nylon roller.

6. according to the described pipeline in-flanges of claim 1-5 any one resecting tool, it is characterized in that, described pipeline in-flanges resecting tool also comprises the lengthening action bars, and described lengthening action bars is connected with described handle.

7. pipeline in-flanges resecting tool according to claim 6, is characterized in that, described pipeline in-flanges resecting tool also comprises that described cross soft board is fixedly connected on described tool body for clearing up the cross soft board of in-flanges chip.