CN105965085A

CN105965085A - Manual pipe cutter

Info

Publication number: CN105965085A
Application number: CN201610586047.XA
Authority: CN
Inventors: 焦祥静
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-20
Filing date: 2016-07-20
Publication date: 2016-09-28

Abstract

The invention belongs to the technical field of pipeline installation construction, and particularly relates to a manual pipeline cutter. The manual pipeline cutter comprises two clamping plates which are symmetrically arranged, and the two ends of the clamping plates are connected through two tensioning mechanisms to form an annular structure used for allowing a pipeline body to be cut to penetrate; each tensioning mechanism comprises two tensioning bolts and a tensioning nut, wherein the two tensioning bolts are hinged to the ends of the corresponding clamping plate, and the two ends of the tensioning nut are in threaded connection with the two tensioning bolts; when the tensioning nuts are screwed, the two clamping plates can be close to each other or be separated from each other; the opposite sides of the two clamping plates are provided with hobbing cutters which are rotatably arranged on the clamping plates, and rotating shafts of the hobbing cutters are parallel to the axis of the pipeline body to be cut. According to the manual pipeline cutter, the pipeline is clamped by adopting the clamping plates and the tensioning nuts and then cut by the hobbing cutters, in the cutting process, the hobbing cutters can strictly walk according to an annular path, and therefore the cutting quality can be effectively improved; in addition, the manual pipeline cutter is simple in structure, convenient to carry and high in adaptability to the complex working conditions.

Description

A kind of manual pipe cutter

Technical field

The invention belongs to pipeline mounting construction technical field, be specifically related to a kind of manual pipe cutter.

Background technology

In pipe installation process, it is necessary to body is intercepted into practically necessary length, namely to body Cut.General employing electric saw cutting body in prior art, but electric saw can produce in cutting process High temperature, this easily causes tube wall deformation for the body that tube wall is relatively thin.It addition, use electric saw cutting Pipeline, its end face often produces a fixed inclination owing to location is inaccurate, and subsequent installation can be caused not by this Just, Pipe installing quality is affected.

Summary of the invention

It is an object of the invention to provide a kind of simple in construction, the easy to carry and preferable manual pipe cutting of cutting effect Machine.

For achieving the above object, the invention provides techniques below scheme: a kind of manual pipe cutter, including two Individual symmetrically arranged clamping plate, the two ends of two clamping plate are connected by two tensioning mechanisms, are formed for body to be cut The circulus passed；Described tensioning mechanism includes two turnbuckles and a tightening nut, two tension spiral shells Bolt is by not hinged with the end of two clamping plate, threadeds with two turnbuckles respectively in the two ends of tightening nut, when During turn tightening nut, it is possible to make two clamping plate close to each other or away from；Two clamping plate side relative to each other is provided with Hobboing cutter, the rotation of described hobboing cutter is arranged on clamping plate and the rotating shaft of hobboing cutter is parallel with the axis of body to be cut.

Being additionally provided with leading truck on described clamping plate, described leading truck is hinged with clamping plate, and the turning of jointed shaft and hobboing cutter Axle is parallel, is provided with torsion spring between leading truck and clamping plate, and the elastic force of this torsion spring can make leading truck elasticity be pressed against On the outer ring surface of body to be cut；The one end contacted with the outer ring surface of body to be cut on leading truck is along to be cut Pipe cutting body axially has the structure of one fixed width.

Described leading truck includes being placed in the swing arm of hobboing cutter both sides, and for connecting the connecting rod of two swing arm ends； Described swing arm is circular arc, and encircles the side at described hobboing cutter.

Described hobboing cutter includes a cylindrical roller body, and the roll surface of roll body is centrally along the formation ring knife that radially outward arches upward Sword.

At least one of which clamping plate are provided with shift fork, and described shift fork is detachable with clamping plate to be connected, for manually Clamping plate are driven to rotate around body to be cut.

The jointed shaft of described leading truck is elastic cylindrical pin.

Described clamping plate end is provided with the turnbuckle hinge hole that at least two group positions are different, when turnbuckle with not When same hinge hole is hinged, it is possible to make to form different size of body between two clamping plate and pass through space, in order to be right The body of different tube diameters cuts.

It is respectively symmetrically on each clamping plate and is provided with two groups of hobboing cutters, roller and leading truck.

The stage casing of described tightening nut is radially to offer waist-shaped hole on hexa-prism, and six prisms.

The method have technical effect that: pipeline is clamped, then by employing amount clamping plate of the present invention and tightening nut Utilizing hobboing cutter to cut pipeline, in cutting process, hobboing cutter can strictly install circular path walking, energy Enough being effectively improved cut quality, additionally present configuration is simple, it is simple to carry, the adaptability to complex working condition Stronger.

Accompanying drawing explanation

Fig. 1 is the structural representation of the present invention；

Fig. 2 is the B-B sectional view of Fig. 1；

Fig. 3 is the C-C sectional view of Fig. 1.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention is described in detail.

As it is shown in figure 1, a kind of manual pipe cutter, including two symmetrically arranged clamping plate 10, two clamping plate 10 Two ends are connected by two tensioning mechanisms, form the circulus passed for body 20 to be cut；Described tension Mechanism includes two turnbuckles 11 and a tightening nut 12, and two turnbuckles 11 are by other and two clamping plate 10 End hinged, threaded with two turnbuckles 11 respectively in the two ends of tightening nut 12, when turn strain During nut 12, it is possible to make two clamping plate 10 close to each other or away from；Two clamping plate 10 side relative to each other is provided with Hobboing cutter 13, described hobboing cutter 13 rotates and is arranged on clamping plate 10 and rotating shaft and the body 20 to be cut of hobboing cutter 13 Axis parallel.Body 20 is clamped by employing amount clamping plate 10 of the present invention and tightening nut 12, then utilizes rolling Body 20 is cut by cutter 13, and in cutting process, circular path walking can strictly be installed by hobboing cutter 13, Can be effectively improved cut quality, additionally present configuration is simple, it is simple to carry, the adaptation to complex working condition Property is stronger.

Preferably, as in figure 2 it is shown, the both sides of described hobboing cutter 13 are provided with roller 14, described roller 14 and rolling Cutter 13 rotates coaxially and is arranged on clamping plate 10, and the wheel face of described roller 14 cuts the outer shroud of body 20 with band Face constitutes rolling and coordinates, and is used for guiding hobboing cutter 13 to walk along body 20 circumferencial direction.

Preferably, as shown in Figure 1,3, described clamping plate 10 are additionally provided with leading truck 15, described leading truck 15 Hinged with clamping plate 10, and the shaft parallel of jointed shaft and hobboing cutter 13, set between leading truck 15 and clamping plate 10 Having torsion spring 16, the elastic force of this torsion spring 16 can make leading truck 15 elasticity be pressed against the outer shroud of body 20 to be cut On face；The one end contacted with the outer ring surface of body 20 to be cut on leading truck 15 is along body 20 axle to be cut To the structure with one fixed width.When body 20 surface exists uneven, leading truck 15 can be all the time Contact with body 20 surface, and body 20 is clamped, it is ensured that cutting is normally carried out.

Preferably, the swing arm 151 of hobboing cutter 13 both sides as it is shown on figure 3, described leading truck 15 includes being placed in, And for connecting the connecting rod 152 of two swing arm 151 ends；Described swing arm 151 is circular arc, and encircles in institute State the side of hobboing cutter 13.

Preferably, as in figure 2 it is shown, described hobboing cutter 13 includes a cylindrical roller body, the roll surface of roll body centrally along Radially outward arch upward the ring-type blade of formation；The roll surface of told roll body is concordant with the wheel face of described roller 14.

Further, at least one of which clamping plate 10 are provided with shift fork 17, and described shift fork 17 can with clamping plate 10 It is detachably connected with, rotates around body 20 to be cut for manual actuation clamping plate 10.

Preferably, as it is shown on figure 3, the jointed shaft of described leading truck 15 is elastic cylindrical pin 153, conveniently lead Dismount to frame 15.

Preferably, described clamping plate 10 end is provided with the turnbuckle hinge hole 18 that at least two group positions are different, when When turnbuckle 11 is hinged from different hinge holes, it is possible to make to form different size of pipe between two clamping plate 10 Body 20 passes through space, in order to cut the body 20 of different tube diameters.

Preferably, each clamping plate 10 are respectively symmetrically it are provided with two groups of hobboing cutters 13, roller 14 and leading truck 15.

Preferably, the stage casing of described tightening nut 12 is radially to offer waist on hexa-prism, and six prisms Type hole.Operator can utilize spanner turn tightening nut 12, it is also possible to comes in pin rod inserts waist-shaped hole Wrenching bolt, to adapt to different duty requirements.

The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all at this Any amendment, equivalent and the improvement etc. made within bright spirit and principle, should be included in the present invention Protection domain within.

Claims

1. a manual pipe cutter, it is characterised in that: include two symmetrically arranged clamping plate, the two of two clamping plate Hold and be connected by two tensioning mechanisms, form the circulus passed for body to be cut；Described tensioning mechanism Including two turnbuckles and a tightening nut, two turnbuckles, by the most hinged with the end of two clamping plate, draw Threaded with two turnbuckles respectively in the two ends of jack panel, when turn tightening nut, it is possible to make two clamping plate Close to each other or away from；Two clamping plate side relative to each other is provided with hobboing cutter, and described hobboing cutter rotates and is arranged on clamping plate Upper and hobboing cutter rotating shaft is parallel with the axis of body to be cut.

Manual pipe cutter the most according to claim 1, it is characterised in that: it is additionally provided with on described clamping plate and leads To frame, described leading truck is hinged with clamping plate, and the shaft parallel of jointed shaft and hobboing cutter, leading truck and clamping plate it Between be provided with torsion spring, the elastic force of this torsion spring can make leading truck elasticity be pressed against on the outer ring surface of body to be cut； The one end contacted with the outer ring surface of body to be cut on leading truck is axially to have one fixed width along body to be cut Structure.

Manual pipe cutter the most according to claim 2, it is characterised in that: described leading truck includes splitting In the swing arm of hobboing cutter both sides, and for connecting the connecting rod of two swing arm ends；Described swing arm is circular arc, and Encircle the side at described hobboing cutter.

Manual pipe cutter the most according to claim 1, it is characterised in that: described hobboing cutter includes a cylinder Shape roll body, the roll surface of roll body is centrally along the ring-type blade of formation that radially outward arches upward.

Manual pipe cutter the most according to claim 1, it is characterised in that: at least one of which clamping plate Being provided with shift fork, described shift fork is detachable with clamping plate to be connected, and revolves around body to be cut for manual actuation clamping plate Turn.

Manual pipe cutter the most according to claim 2, it is characterised in that: the jointed shaft of described leading truck For elastic cylindrical pin.

Manual pipe cutter the most according to claim 2, it is characterised in that: described clamping plate end be provided with to The turnbuckle hinge hole that few two groups of positions are different, when turnbuckle is hinged from different hinge holes, it is possible to Make between two clamping plate, to form different size of body and pass through space, in order to the body of different tube diameters is cut.

Manual pipe cutter the most according to claim 1, it is characterised in that: it is respectively symmetrically on each clamping plate It is provided with two groups of hobboing cutters, roller and leading truck.

Manual pipe cutter the most according to claim 1, it is characterised in that: the stage casing of described tightening nut For radially offering waist-shaped hole on hexa-prism, and six prisms.