CN2132586Y

CN2132586Y - Portable multifunction flame cutter for tube

Info

Publication number: CN2132586Y
Application number: CN 92216390
Authority: CN
Inventors: 刘强
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-07-03
Filing date: 1992-07-03
Publication date: 1993-05-12
Anticipated expiration: 2002-07-03

Abstract

The utility model relates to a multifunction flame cutter for tubes, comprising an electrical motor, a driving mechanism, a control disc, a gas tube and a cutting nozzle. An axial motion controller and a groove angle automatic control system are arranged, wherein, the axial motion controller is composed of a radial direction sine mechanism, an axial sine mechanism and a proportional amplifier, and the groove angle automatic control system is composed of a proportional reduced scale mechanism, a cantilever arm mechanism and a groove angle control mechanism. Any tube openings of three-way branch tubes and saddle-shaped holes can be cut, and the utility model has the advantages of high precision, high automation, complete function, small size, light weight, convenience for operating and carrying, etc., having an application to work on construction sites.

Description

Portable multifunction flame cutter for tube

The utility model belongs to a kind of pipe cutter, particularly a kind of portable multi-function pipe flame cutting machine.

In the laying and process of pipeline engineering, often want welding processing bend pipe, T type three-way pipe, Y-type three way type pipe and reduced pipe etc., especially three-way pipe difficulty in normalized processing is bigger, general device is difficult to bear, in weldering system process, blanking has material impact to welding matter reason, therefore cuts the various mouths of pipe and the work that processes the bevel for welding of standard, is the key factor that guarantees welding quality.Wherein with the mouth of pipe cutting of equal tee not particularly difficulty, the cutting of the equal tee mouth of pipe is comparatively uncommon with manual flame cutting at present, does not still have desirable automatic cutting equipment, and manual flame cut quality is poor, and efficient is low, has had a strong impact on the welding quality of pipe.

The purpose of this utility model provides a kind of portable multi-function pipe flame cutting machine, the threeway mouth of pipe cutting bigger to difficulty of processing, has the machining accuracy height, the automaticity height, multiple functional, and volume is little, in light weight, be easy to carry, especially be fit to middle-size and small-size pipeline engineering and production scene construction operation.

The purpose of this utility model is achieved in that it comprises motor, transmission mechanism, control panel, appendix and cutting torch, the main technical scheme feature is: be provided with axially-movable controller and groove angle automatic control system, axially-movable controller wherein comprises radially sine mechanism, axially sine mechanism and proportional amplifier; The groove angle automatic control system comprises axial scale reduced scale mechanism, cantilever mechanism and groove angle controlling organization.

Radially sine mechanism has rotating internal diameter eccentric part, and this part determines that by adjusted screw rod by internal diameter eccentric nut, the sinusoidal slide block of internal diameter and the following assorted word spare adjusted of internal diameter of position is slidingly connected; Axially sine mechanism has the assorted word spare of going up, be slidingly connected the sinusoidal slide block of external diameter on it, adjust screw rod by external diameter and determine that the external diameter off-centre adjustment nut top rotation of position connects the sinusoidal slide block of external diameter, the sinusoidal slide block that connects of the interior external diameter of its underpart rotation connection, this slide block is slidingly connected on following assorted word spare; Axially be slidingly connected two on the last assorted word spare of sine mechanism and drive slide block, proportional amplifier rotates and is connected on two driving slide blocks.

There is rotation guide in axial scale reduced scale mechanism, connects pole, the end that ratio reduced scale one end is rotatably connected in pole on it; Cantilever mechanism has the core bar that connects with anchor clamps, and the hub splines that its outer suit is driven by transmission mechanism is assembled the spline guide pin bushing it on, connect radially cantilever on the spline guide pin bushing, and the adjustment guide pin bushing that connects with axial cantilever is installed on radially on the cantilever; The axial drive sleeve that connects with proportional amplifier is fixed on the spline guide pin bushing; The other end of axial scale reduced scale is connected in to be adjusted on the guide pin bushing; The groove angle controlling organization has a groove angle transmission guide pin bushing that is sleeved on the axial cantilever, and groove angle drive link one end is rotatably connected on the groove angle transmission guide pin bushing; The other end is rotatably connected on the ratio reduced scale, axially the axial adjustment guide pin bushing is equipped with in the end of cantilever, assembling idle wheel and the arc-shaped rack that is engaged with on it, and cutting torch is fixed on the arc-shaped rack, groove angle control tooth bar and idle wheel engagement, and have an end to be connected in groove angle transmission guide pin bushing.

Rotation guide in the axial scale reduced scale mechanism, pole and axial scale reduced scale all have the axial passage that communicates, and constitute the part of air delivering pipeline.

The utility model has the advantages that: the profiled tee joint arm mouth of pipe and the shape of a saddle hole that can cut any angle, have machining accuracy height, automaticity height, increase work efficiency, multiple functional, volume is little, in light weight, be convenient to the characteristics of operating and carrying, be fit to middle-size and small-size job site and multinomial purpose field operation.

Below in conjunction with accompanying drawing embodiment of the present utility model is described further:

Fig. 1 is the schematic diagram of the utility model structure.

Fig. 2 is the vertical view of Fig. 1.

Fig. 3 is an axially-movable controller perspective exploded view of the present utility model.

Fig. 4 is an axially-movable controller architecture schematic perspective view of the present utility model.

See Fig. 1-4, concrete structure of the present utility model is as follows: by the transmission mechanism 19 tops assembling axially-movable controller 18 that motor 20 drives, it is by radially sine mechanism, axial sine mechanism and proportional amplifier are formed.Wherein radially sine mechanism has: the driving member 47 affixed internal diameter eccentric parts 46 that (seeing Fig. 3,4) driven by transmission mechanism 19, this part has the long chute of a band slide rail, internal diameter is adjusted screw rod 45 and is screwedly mounted on the groove, the eccentric nut 44 of adjusting of slidingly assemble internal diameter in the long chute, this nut is screwedly mounted on internal diameter and adjusts on the screw rod 45, turns internal diameter and adjusts screw rod 45 and can adjust eccentric nut 44 allocation really in long chute of adjusting of internal diameter; Assorted word spare 21 has guide post 50 and double-deck chute 51 down, and two relative guiding square holes are arranged on the casing 48, and the two ends of guide post 50 pass two guiding square holes.Lower floor's chute of double-deck chute 51 is equipped with internal diameter sine mechanism slide block 42, this slide block is loaded on the eccentric adjustment of the internal diameter nut 44 by mandrel 43, when internal diameter eccentric part 46 takes place circumferentially to rotate under the drive of driving member 47, internal diameter sine mechanism slide block 42 is owing to be subjected to down the restriction of assorted word spare 21 guide posts 50, can only do translational motion, and in the gliding groove of double-deck chute 51, slide, and assorted word spare 21 does reciprocating linear motion down.Stationary barrier 40 in the casing 41, axial sine mechanism is assembled on its top, axially sine mechanism has: the last assorted word spare 25 of guide 52 and double-deck chute 49, two relative guiding square holes are arranged on the casing 48, the two ends of guide post 52 pass two guiding square holes, the gliding groove of two chutes 49 is equipped with the sinusoidal slide block 36 of external diameter, this slide block is loaded on the eccentric adjustment of the external diameter nut 37 by mandrel 53, the external diameter that is installed on the external diameter rotation center of circle cover 39 is adjusted the eccentric nut 37 of adjusting of screw rod 38 thread connection external diameters, turns external diameter adjustment screw rod 38 and can change the eccentric radius of motion of adjusting nut 37 of external diameter.The external diameter sine mechanism connected slide block 41 in the eccentric bottom of adjusting nut 37 of external diameter connected by mandrel, and this slide block is contained in down in the upper hopper chute of double-deck chute 51 of assorted word spare 21.When down assorted word spare 21 is done horizontal straight reciprocating motion, connect the slip transmission of slide block 41 by interior external diameter sine mechanism, and adjust 38 pairs of external diameters off-centre of screw rod by external diameter and adjust the radially spacing of nut 37, the sinusoidal slide block 36 of external diameter moves on the movement locus that limits radius, makes assorted word spare 25 make axial linear reciprocating motion under the guiding of its guide post 52.Two arcuate sockets 32 are arranged on the loam cake 30 of axially-movable controller 18, being assembled in the upper hopper chute of two chutes 49 two drives on the slide blocks 35 rotating coupling head 31 is housed, two arcuate sockets 32 are passed in two coupling heads 31, the proportional amplifier 5 of four little link rod compositions is installed in the connection holes of two coupling heads 31, one end is connected on the loam cake 30 by rotating shaft, and the other end is connected on the axial drive sleeve 26 of cantilever mechanism by rotating shaft.The rotation guide 17 of axial scale reduced scale mechanism is assembled in a side of transmission mechanism 19, it is by transmission mechanism 19 transmissions, this part has passage, and communicate with the appendix 1 of control panel 3, the pole 2 of rotation guide 17 first line of a couplet tape splicing passages, the adjustable in length of pole 2, the big link rod of four band passages is formed axial scale reduced scale 4, the one end rotates to be connected in and adjusts on the guide pin bushing 8, and the passage of adjusting guide pin bushing 8 connects cutting torch 16 by flexible pipe 7.Adjust guide pin bushing 8 and be installed on the radially cantilever 6 of locating teeth, axial cantilever 10 1 ends of band location teeth are fixed in to be adjusted on the guide pin bushing 8; Radially on the cantilever 6 spline guide pin bushing 27 is arranged, axially drive sleeve 26 is fixed on the spline guide pin bushing 27; Spline guide pin bushing 27 is sleeved on the hub splines 28, circumferentially locatees between the two, and axially movable, hub splines 28 1 ends are transmission bevel gears 23, are meshed with the bevel gear of transmission mechanism 19.Core bar 24 1 ends are fixed on the support 22, and the other end is a Connecting jont 29, can connect with the pipe fitting anchor clamps.When transmission mechanism drove hub splines 28 and rotates, radially cantilever 6 rotated thereupon, and because the action of proportional amplifier 5, and axially drive sleeve 26 drives radially cantilever 6 and does axial displacement, also rotation synchronously of axial scale reduced scale mechanism meanwhile.The groove angle transmission guide pin bushing 11 of groove angle controlling organization is sleeved on the axial cantilever 10, groove angle drive link 9 one end axles are bound up on the groove angle transmission guide pin bushing 11, slotted hole 33 is arranged on the groove angle drive link 9, connect with axial scale reduced scale 4 by adjusting button 34, coupled position can be adjusted according to the groove angle needs of pipe fitting cutting.Axially the end of cantilever 10 assembling axial adjustment guide pin bushing 13, assembling idle wheel 14 and the arc racks 15 that is engaged with on it, and cutting torch 16 is fixed on the arc racks 15, and the angle that the rotation of arc racks 15 drives cutting torch 16 changes.Groove angle control tooth bar 12 1 ends are rotatably connected on the groove angle transmission guide pin bushing 11, section of rack and idle wheel 14 engagements, when groove angle drive link 9 issues when vividly doing in axial scale reduced scale 4 effect, axial adjustment guide pin bushing 11 is subjected to displacement, and, change thereby make cutting torch 16 that continuous angle take place by groove angle control tooth bar 12 drive idle wheels 14, arc racks 15 actions.

Operation principle: axially-movable controller 18 is by radially sine mechanism and axial sine mechanism are formed, radially sine mechanism is done radially to move back and forth, and the drive axial motion mechanism is made axially reciprocating, its compound result is that cutting torch 16 is when making circular motion, do axially-movable again, movement locus meets the relation line shape of the reducer tee arm mouth of pipe and shape of a saddle pore; And the groove angle controlling organization is when radially cantilever 6 is done axial displacement, under the relative displacement effect by axial scale reduced scale 4 and groove angle drive link 9, transmission through groove angle control tooth bar 12, make cutting torch 16 make aforementioned axial motion, circumferential movement simultaneously, the groove angle that can also realize cutting pore is made continuous angle and is changed.Axial scale reduced scale mechanism one is the transmission mechanism that the groove angle of cutting torch 16 changes, the 2nd, and each parts comprises rotation guide 17, pole 2, axial scale reduced scale 4 all has passage to link to each other, and is again gas transmission mechanism therefore.

Claims

1, a kind of portable multi-function pipe flame cutting machine comprises motor, transmission mechanism, control panel, appendix and cutting torch, it is characterized in that:

A, be provided with axially-movable controller and groove angle automatic control system, axially-movable controller wherein comprises radially sine mechanism, axially sine mechanism and proportional amplifier; The groove angle automatic control system comprises axial scale reduced scale mechanism, cantilever mechanism and groove angle controlling organization;

B, radially sine mechanism has rotating internal diameter eccentric part, this part by adjust by internal diameter screw rod determine the internal diameter of position eccentric adjust nut, the sinusoidal slide block of internal diameter and down assorted word spare be slidingly connected; Axially sine mechanism has the assorted word spare of going up, be slidingly connected the sinusoidal slide block of external diameter on it, adjust screw rod by external diameter and determine that the external diameter off-centre adjustment nut top rotation of position connects the sinusoidal slide block of external diameter, the sinusoidal slide block that connects of the interior external diameter of its underpart rotation connection, this slide block is slidingly connected on following assorted word spare; Axially be slidingly connected two on the last assorted word spare of sine mechanism and drive slide block, proportional amplifier rotates and is connected on two driving slide blocks;

There are rotation guide in c, axial scale reduced scale mechanism, connect pole, the end that axial scale reduced scale one end is rotatably connected in pole on it; Cantilever mechanism has the core bar that connects with anchor clamps, and the hub splines that its outer suit is driven by transmission mechanism is assembled the spline guide pin bushing it on, connect radially cantilever on the spline guide pin bushing, and the adjustment guide pin bushing that connects with axial cantilever is installed on radially on the cantilever; The axial drive sleeve that connects with proportional amplifier is fixed on the spline guide pin bushing; The other end of axial scale reduced scale is connected in to be adjusted on the guide pin bushing, the groove angle controlling organization has a groove angle transmission guide pin bushing that is sleeved on the axial cantilever, groove angle drive link one end is rotatably connected on the groove angle transmission guide pin bushing, and the other end is rotatably connected on the axial scale reduced scale; Axially the axial adjustment guide pin bushing is equipped with in the end of cantilever, assembling idle wheel and the arc-shaped rack that is engaged with on it, and cutting torch is fixed on the arc-shaped rack, groove angle control tooth bar and idle wheel engagement, and have an end to be connected in groove angle transmission guide pin bushing;

Rotation guide, pole and axial scale reduced scale in d, the axial scale reduced scale mechanism all have the axial passage that communicates, and constitute the part of air delivering pipeline.

2, flame cutting machine according to claim 1 is characterized in that: upper and lower assorted word spare all has double-deck chute and guide post.