CN100402175C

CN100402175C - Water fire plate bending machine

Info

Publication number: CN100402175C
Application number: CNB2006100342023A
Authority: CN
Inventors: 盛少琴; 马超良; 施理军; 苏汉明; 阮少锋; 陈尚贵; 刘清煜; 刘德全
Original assignee: Guangzhou Shipyard International Co Ltd
Current assignee: Cssc Offshore & Marine Engineering Group Co ltd; Guangzhou Shipyard International Co Ltd
Priority date: 2006-03-10
Filing date: 2006-03-10
Publication date: 2008-07-16
Anticipated expiration: 2026-03-10
Also published as: CN1824403A

Abstract

The present invention discloses a water fire plate bending machine. A movable arm of the present invention is arranged on a vertical arm in floatation, a heating gun is fixed at the lower end of the movable arm, and the lower end of the movable arm is provided with a supporting frame which can rotate around the heating gun; one side of the supporting frame is provided with a water spraying pipe, and the lower end of the supporting frame is provided with a supporting component. The present invention does not need to control the displacement of the heating gun in a vertical direction and can automatically ensure that the heating gun is displaced on the surface of a processed workpiece with a fundamentally unchanged distance so as to greatly simplify the controlling mechanism and the mechanical structure of a device; the present invention is used for replacing manual operation to complete fire work, which not only reduces manual labor strength, but also can obviously enhance work efficiency.

Description

A kind of water-fire heating plate bending machine

Technical field

The present invention relates to the equipment of curved plates, particularly a kind of equipment that makes steel plate deformed with the heating and the type of cooling.

Technical background

The boats and ships housing is welded by the polylith steel plate, and the outside plate that constitutes housing has a lot of curved slabs, and the outside plate of hull is very thick, and the curved surface of each outside plate is all different, and promptly every curved slab all will be processed separately.Common processing method to curved slab is with sheet material preprocessing (precompressed or pre-rolling), make sheet bending to curved surface near designing requirement, by artificial use flame gun the local torch firing of sheet material is heated then, water water quick cooling immediately, utilize the effect of expanding with heat and contract with cold of sheet material to make the sheet bending distortion.Measure error of curvature with bent rule (being commonly called as clamp or wooden case) again, according to error repeatedly to sheet material local heat, cooling, measurement, to obtain satisfactory curved slab.The process efficient of this " firer " is very low, and the processing of curved slab has become the bottleneck of shipbuilding progress.Firer's working environment is very poor, labour intensity is big, and the personal experience to the operative employee has relatively high expectations, generally need the talent of working experience have the ability to finish complex-curved outside plate processing more than 5 years. in addition, bent rule need is made separately according to ship shape, making a ship needs thousands of bent rule of hundreds of, and the bent rule of manufacturing are consuming time, and the cost height.

It is reported that Japan, Korea S have developed the equipment of " firer " that finish with machinery.But because of processed sheet material curved surface complexity, it both need have been controlled flame gun and move at X-axis, Y-axis, Z axle, three-dimensional, controlled flame gun again in the directions X swing, in the swing of Y direction, also will control flame gun and rotate.Promptly to control the action in six orientation. its controlling organization complex structure, cost height.

Summary of the invention

The present invention is intended to provide a kind of simple in structure, water-fire heating plate bending machine that cost of manufacture is low, to improve the operating efficiency of firer's bent plate, reduces labour intensity and processing cost.

Water-fire heating plate bending machine of the present invention, the door frame that track-movable is arranged is equipped with transversely movable coaster on the door frame, plumbing arm moving up and down is housed on the coaster, the coordinate controlling organization of band rangefinder is housed on the door frame, the swing arm floating ground is installed on the plumbing arm, and heating gun is fixed on the swing arm lower end, and the swing arm lower end is equipped with and can be encircled the support that heating gun rotates, support one side is installed spray pipe, the lower end of support is equipped with one with upper support bar, and heating gun is communicated with fuel gas source, and spray pipe is communicated with the water source.

Water-fire heating plate bending machine of the present invention, it is similar to the door frame of NC flame cutting machine, coaster, plumbing arm, and the coordinate controlling organization is prior art, during use, the curved surface of the processed sheet material of input in the coordinate controlling organization, with roughing (precompressed, rolling) curved slab places on the workbench, use rangefinder to detect sheet material horizontal plane perspective plane (x axle, the y axle) edge, determine the origin of coordinates, rangefinder contrasts with the curvature of a plurality of lines of suitable spacing detection curved slab and with the workpiece design curved surface that is input in the controller along x direction of principal axis and y direction of principal axis, predict work piece curved surface and the error that designs curved surface, rule of thumb or according to computer program determine the fiery circuit-switched data of processing.Can control spray gun and water pipe along the fiery road of setting to plate surface local heat and cooling.

When described water-fire heating plate bending machine is worked, support bar directly is pressed on the processed plate face, the flame jet that is heating gun is definite to the distance that is heated the plate face, and swing arm drives flame gun and support moves on the curved slab surface, and flame jet also can keep constant substantially to the distance of plate face.Because swing arm is that floating ground is installed on the plumbing arm, and the swing arm lower end has support member to withstand the plate face, then need not to control the vertical direction displacement of heating gun.When support bar moves on curved surface, no matter curved surface is crooked up or down, and swing arm floats with curved surface, promptly guarantee automatically heating gun with constant substantially spacing at the curved surface top offset.Because of the float design of heating gun, this mechanism only controls flame gun and moves on the plane, and moving of vertical plane finished automatically by relocation mechanism.That is, only use the such prior art of bidimensional controlling organization of flame cutting machine, just can realize the control of flame gun compound action.Thereby the controlling organization of simplified apparatus and frame for movement greatly.Described water-fire heating plate bending machine, hot work is finished in alternative manually-operated, has both reduced artificial labour intensity, can obviously increase work efficiency again.

Description of drawings

Fig. 1 is the schematic diagram of a kind of water-fire heating plate bending machine of the present invention;

Fig. 2 is the schematic diagram of the swing arm of water-fire heating plate bending machine of the present invention;

Fig. 3 is the schematic diagram of the swing arm of single pole support;

Fig. 4 is the schematic diagram of the swing arm of three bars support;

Fig. 5 is the schematic diagram of the swing arm of two bars supports;

Fig. 6 is the annexation schematic diagram of plumbing arm and swing arm;

Fig. 7 is the annexation schematic diagram of another kind of plumbing arm and swing arm.

The specific embodiment

A kind of water-fire heating plate bending machine, as Fig. 1, Fig. 2, the door frame 1 similar to flame cutting machine can move along track 2, and coaster 3 is housed on the door frame 1, can laterally move, and plumbing arm 4 is housed on the coaster 3, can vertically move.Be equipped with on the coaster 3 the contact rangefinder by machinery and electric conversion is found range or equipped with non-contact rangefinder such as radar or infrared ambulator 5, the curved surface data of the processed curved surface panel of its detection can be transported in the coordinate controlling organization 6 that is contained on the door frame 1.Floating ground is installed swing arm 7 on the plumbing arm 4, cooperating between swing arm 7 and the plumbing arm 4, as shown in Figure 6, there is vertical chute 8 to match on the plumbing arm 4 with the slide rail 9 of swing arm 7, swing arm longitudinally chute 8 vertical direction moves, also can be as shown in Figure 7, two row guide wheels 24 are housed on the plumbing arm 4 are guide rail, swing arm 7 is sandwiched between the two row guide wheels 24 removable.Flame gun 10 is fixed on swing arm 7 lower ends, and it is outer rotatable that support 11 is sleeved on flame gun 10.Be contained in and on the axle of servomotor 12 on the swing arm 7 gear 13 be housed and be meshed with the gear of support 11, but driving arm 11 rotations.Be equipped with one vertically with upper support bar 15 on the crossbeam 14 of support 11 bottoms, the bottom of support bar 15 is lower than the spout 16 of flame gun, and processed sheet material 17 is withstood in support bar 15 bottoms, and then flame gun spout 16 is determined to the distance of plate surface.On the crossbeam 14 of flame gun spout 16 1 sides igniter 19 is housed, is used to light the flame of spout 16, spray pipe 20 is contained in a side that is in spout 16 on the crossbeam 14.Swinging mounting 11 can guarantee in any direction the fiery rail mark when mobile, and flame gun spout 16 is preceding, spray pipe 20 after.

Because flame gun moves at processed plate surface, the support bar 15 that supports swing arm 7 is moved on to outside the sheet edge, swing arm that float to install 7 declines to a great extent according to gravity, need to start plumbing arm 4 with swing arm 7 together with flame gun 10 liftings such as grade, for avoiding swing arm 7 to decline to a great extent, limited block 21 (as Fig. 5) is housed at the two ends up and down of vertical chute 8 of plumbing arm 4.In addition, at a plurality of pits 22 of the vertical arrangement in plumbing arm 4 upper edges, the elastic projection 23 (as Fig. 5, Fig. 6) that can snap in pit 22 is housed on the swing arm 7, when swing arm 7 instantaneous quick tenesmus, elastic projection 23 can snap in the tenesmus process in the pit 22 one by one, increases the tenesmus resistance, delays tenesmus, controlling organization 6 will instruct support bar 15 oppositely to move, and make it to return on the panel.

But the support bar single pole under the crossbeam 18 supports (as Fig. 3), also can be that three bars support (as Fig. 4), and perhaps two bars support (as Fig. 5).Be supported for goodly through testing two bars, the spout 16 of flame gun is between two support bars.

Often need the edge of heating sheet material 17 because of flame gun spout 16, under this state, support bar 15 may be in outside the sheet edge, and the bottom of bar is lower than the plate face, and support bar 15 may hinder flame gun 10 carriage returns to move, and is stuck in sheet edge for preventing support bar 15, roller 24 is equipped with in the bottom of support bar 15, when roller 24 parts skid off sheet edge, during flame gun 10 carriage returns, but the vertical component of the support force of sheet material pair roller jack-up swing arm 7 still.

Claims

1. water-fire heating plate bending machine, having can be along the mobile door frame (1) of track (2), transversely movable coaster (3) is housed on the door frame (1), plumbing arm moving up and down (4) is housed on the coaster (3), rangefinder (5) is housed on the coaster, and coordinate controlling organization (6), it is characterized in that, swing arm (7) floating ground is installed on the plumbing arm (4), flame gun (10) is fixed on swing arm (7) lower end, be equipped with swing arm (7) lower end can be around the support (11) of flame gun (10) rotation, support (11) lower end is equipped with one with upper support bar (15), the spray pipe (20) that install support (11) side is in flame gun spout (16) one sides, and flame gun (10) is communicated with fuel gas source, and spray pipe (20) is communicated with the water source.

2. water-fire heating plate bending machine according to claim 1 is characterized in that, support bar (15) is installed on support (11) lower end by crossbeam (14), and roller (24) is equipped with in support bar (15) lower end.

3. water-fire heating plate bending machine according to claim 2 is characterized in that, adorns two support bars (15) on the crossbeam (14), and flame gun spout (16) is between two support bars (15).

4. water-fire heating plate bending machine according to claim 1 is characterized in that, the slide rail (9) that chute (8) and swing arm (7) are housed on the plumbing arm (4) matches and can move mutually.

5. water-fire heating plate bending machine according to claim 1 is characterized in that, two row guide wheels (24) are housed on the plumbing arm (4), and swing arm (7) is sandwiched between two row guide wheels (24) removable.

6. water-fire heating plate bending machine according to claim 4 is characterized in that, the vertical a plurality of pits (22) that are arranged with in plumbing arm (4) upper edge are equipped with the elastic projection (23) that can snap in pit on the swing arm (7).

7. water-fire heating plate bending machine according to claim 4 is characterized in that, the chute (8) of plumbing arm (4) two ends up and down is equipped with the limited block (21) that limits swing arm (7) stroke.