CN2236908Y

CN2236908Y - High cycle wheel pipe machine

Info

Publication number: CN2236908Y
Application number: CN 95216272
Authority: CN
Inventors: 吴泗沧
Original assignee: 陈渊坤
Priority date: 1995-07-13
Filing date: 1995-07-13
Publication date: 1996-10-09
Anticipated expiration: 2005-07-13

Abstract

The utility model discloses a high frequency wheel pipe machine. The frame of the machine comprises a headstock and a tailstock, and a running roller mold is arranged between the headstock and the tailstock. The two ends of the running roller shafts are also arranged on slide carriages. Elevator gears can cause the slide carriages to slide and elevate in the guide grooves of the headstock and the tailstock. A high frequency coil cooling water nozzle is arranged between the two slide carriages. A thruster is provided with a pair of frames, the two external sides of which are provided with convex orbits, and the inner part of the thruster is provided with a nut, which matches with a lengthwise screw and is driven by a motor and gears. The upper half part of the thruster is additionally provided with a propelling platform. The mold can be used for wrapping the external surfaces of supported objects to increase the quality of products. The utility model has the advantages of small volume and low cost.

Description

High frequency wheel pipe machine

The utility model relates to a kind of high frequency wheel pipe machine, belongs to pipe fitting and rolls curved apparatus technology.

Existing high frequency wheel pipe machine, (see figure 1), comprise a high frequency coil F, one propeller P and traction garden rule arm T1, T2 is located in the body, propeller P has 2 chain K2, K2, by motor m sprocket wheel G1, G2, G3, G4 drives, and machined object (metal tube) W is fixed, and swash circle F is interior to be heated and change by part, and traction garden rule arm T's is fulcrum with the TO place, moveable arm T2 slowly turns left from fixed arm T1 position and affects deflection, make metal tube W form the machining object of an arc, because cost of equipment is low, extremely welcome with the traction of moveable arm T2, but need by the high-tech personnel operation, in addition its shortcoming as:

1, inefficiency, machining object do not use mould to set the correct shape of its moulding, but use anchor clamps to come the clamping machining object.

2, propeller is located between two chains, but rigidity is too poor, and fltting speed is owed surely, owes accurate, influences end product quality.

3, owing between body B and the high frequency coil F spacer segment space is arranged, need two guide wheel R to come the guide wire machining object again, end to end partly (be that head end is an anchor clamps C2 clamping part, tail end is a shared space length under the anchor clamps C1 guide wheel R coil to make it, two damaged on end material are longer, increase its cost.

4, traction garden rule arm places on the ground and operates, and it is many to occupy the space, extremely uneconomical.

5, the fixed arm or the moveable arm of traction garden rule arm are all put on ground, make draft arm length that certain limit be arranged, and make the machining object garden through restricted too greatly too little, all should not use, so the plastic garden of machining object through also restricted,

6, the tension stress of high frequency heating place is the most weak, and the celebrating power that the longer machining object of thing bears is also bigger when being added, and is easy to flat distortion.

The purpose of this utility model is that a kind of high frequency wheel pipe machine will be provided, it can overcome above-mentioned shortcoming, the gentle horizontal traction garden rule arm that has of cancellation changes the vertical direction running into, reduces spatial area, can be used for a large amount of productions, reduce its cost, its running roller is supported on end to end between the support, when the thicker heavier pipe fitting of processing, can bear bigger stress, its running roller can not produce strain, guarantees end product quality.

The purpose of this utility model is achieved in that high frequency wheel pipe machine, wheel pipe machine is by support 1 auxiliary engine bed 2, propeller 20, high frequency coil 60 is formed, support 1 has headstock 11 and tailstock 12, set up roll mould 161,162,163,164 therebetween, its rolling axle 151-154, two ends are set up on slide (141), (142), other has makes slide 141,142 lowering or hoisting gear that slide down moves in the guide groove of headstock 11 tailstocks 12 131,132, and high frequency coil and cooling water nozzle 60 are located between first slide 141 and second slide 142.

Propeller 20 has an auxiliary engine bed 2 its two outsides that the track 231,232 of protrusion is arranged, and nut 220 is arranged in the body of propeller 20, and lengthwise screw rod 23 screws togather with nut 220, and by motor 28,

gear

26,27 drives, and propeller 20 first halves have one to advance platform 22.Acquire a through rod device 3 at auxiliary engine bed 2 tail ends, by oil hydraulic cylinder 32 extension and contraction control piston rods 33, through rod 31 leading edges are guide blocks.Each roll mould 161,162 ... 164 can be contained in tailstock 12 outsides, and auxiliary engine bed 2 is also corresponding moves outward.

Fig. 1 takes turns pipe machine floor map

Fig. 2 takes turns pipe machine stereogram (the 1st embodiment)

Fig. 2 A, roll mould coat processed pipe fitting sectional schematic diagram

Fig. 3 is the front view of Fig. 2

Fig. 4 takes turns the stereogram (the 2nd embodiment) of pipe machine

Fig. 5 is the front view of Fig. 4

Fig. 6 takes turns pipe machine front view (the 3rd embodiment)

Now in conjunction with the accompanying drawings the structure of high frequency wheel pipe machine is described in detail.

By Fig. 2,2A, 3 high frequencies wheel pipe machine is by support 1, the high frequency coil 60 that is located at the propeller 20 in the auxiliary engine bed 2 and is located between the one the second running rollers is formed, support 1 has headstock 11, with tailstock 12, set up running roller mould 161 free to rotate therebetween, 162,163,164, its rolling axle 151-154 two ends are set up in slide 141, on 142, utilize lowering or hoisting gear 131,132, can make slide 141,142 in the guide groove of headstock 11 tailstocks 12 slide down shift and fall the high frequency coil and cooling water nozzle 60 is arranged at first, (Fig. 2 between second slide 141,3) processed pipe fitting 4 is passed through, the mould up and down 161 of first slide, 141 guidings, 162, should can align up and down with lowering or hoisting gear 131 corresponding to the caliber size mold 161 of pipe fitting 4 so have positioning function its spacing.Change is the spacing of mould 161,162 up and down, the roll mould 163,164 of second slide, 142 guidings has the function of pipe fitting 4 roll bending formations, pipe fitting 4 after high frequency 60 heating, roll bending formation up, utilizing up and down, roll mould 163,164 coats (Fig. 2 A) to pipe fitting 4 comprehensively, the garden makes pipe fitting 4 after coil 60 heating through the oscilaltion determining positions of R by lowering or hoisting gear 131,132, becomes loop pipe spare via up slow moulding under roll mould 163, the 164 roll bending effects.

Roll mould group 163,164 can be a heeling condition, and upper and lower running roller 163,164 is laid respectively on the tangential direction upright position of the pipe fitting 4 that is the garden arcuation in the roll bending.

Propeller 20 has an auxiliary engine bed 2, there is the track 231,232 of protrusion in its two outside, nut 220 is arranged in the propeller body, by a process motor 28,

gear

26,27 meshes and lengthwise screw rod 23 drivings of transmission, because the angle of rake first half is one to advance platform 22, pipe fitting 4 to withstand on the platform 22 and lentamente machining object is sent in mould, so the pipe fitting finished product is finished by support 1 opposite side moulding; Running roller 161-164 is a drive element, mainly realizes moulding by the power of propeller 20.

By Fig. 4,5, the structure of this second embodiment is similar to last example, just omitted upper roll wheel mould 163, not yielding when processing thick pipe fitting, but when processing light wall pipe and section (square, pancake) pipe fitting, still the coating outer surface of pipe fittings is comparatively suitable comprehensively so that use lower roll wheel mould 163,164, makes bending reduce to minimum degree.

For the moulding special piece, put a through rod device 3 at auxiliary engine bed 2 tail ends, because oily left cylinder 32 stretches, control piston bar 33, with levelling through rod 31 length and space in one's power, the guide block that the leading edge of through rod 31 has an equivalent length should reach between last lower whorl mould 161,162 is advisable, and above-mentioned first embodiment also can use the through rod device.

By Fig. 6, the structure of the 3rd embodiment is identical with last two examples substantially, three slides 141 are set on the support 1,142,143, set up three composing type roll moulds 161 respectively, 162,163,164,165,166 and rolling axle 15 jig group 161 wherein, the 162nd, the levelling in addition of the size of pipe fitting 4 is fixed, so its mold 161 can be aligned by lowering or hoisting gear 131, roll mould 163 on the 2nd group of slide 142, the 164th, proofread and correct the location and use, the conjoined structure of the 3rd slide 143 makes pipe fitting 4 heat the back by roll bending formation mould 165 through high frequency coil 60,166 fuse, and oscilaltion synchronously makes running roller 165,166 can coat outer surface of pipe fittings comprehensively.

Moulding running roller set of molds 165,166 can be inclined, though also up and down running roller 165,166 be arranged in and be on the tangential direction upright position of pipe fitting 4 of garden arcuation by roll bending.

In addition, each roll mould can be contained in the outside of tailstock 12, (not shown), and at this moment auxiliary engine bed 2 should move outward, and its advantage is to get the material charging conveniently, is applicable to processing than light wall pipe spare, more slim steel, gross distortion can not take place in its running roller.

During operation, by the pipe fitting garden through selecting suitable roll mould, be set on the rolling axle, high frequency coil and cooling water nozzle 60 are fixed in before the roll bending formation set of molds, before rolled form decision roll bending formation set of molds, high and low position by rolled form decision roll bending set of molds, the position is higher, roller manufactured goods difficulty is also little, then pipe fitting 4 one ends is placed on the platform 22 of propeller 20, and the other end is put between first group of roll mould, starter motor 28, by

gear

26,27 conversions, screw rod 23 is rotated, propeller 20 is moved right.

At this moment because high frequency coil 60 eddy-current heating make machining object pipe fitting 4 softening, processing arc or ring-type goods are just made by after roll mould 163 lift location in the footpath.

The moulding garden of processed pipe fitting adds the different continuously bent distortion shapes of formation or forms spiral helicine finished product through also different garden footpath segmentations, needs only and aligns the height of every group of set of molds successively, just can reach.

Compared with prior art, high cycle wheel pipe machine has following advantages:

1, footpath, the garden of the processed pipe fitting of institute's moulding is unrestricted, and its garden directly haves a wide reach

2, to occupy spatial area little for machine

3, propeller is used more stablely, makes end product quality good

4, waste product is few, can reduce cost

5, operation is simple and easy, and general personnel just can operate

6, variable its diameter of process makes finished product become helical form

Claims

1, a kind of high frequency wheel pipe machine, it is characterized in that taking turns the pipe machine by support (1) auxiliary engine bed (2), propeller (20), high frequency coil (60) is formed, support (1) has headstock (11) and tailstock (12), set up roll mould (161) therebetween, (162), (163), (164), its rolling axle (151-154), two ends are set up in slide (141), (142) on, other has makes slide (141) (142) lowering or hoisting gear (131) that slide down moves in the guide groove of headstock (11) tailstock (12), (132), high frequency coil and cooling water nozzle (60) are located between first slide (141) and second slide (142)

Propeller (20) have its two outside of an auxiliary engine bed (2) have the protrusion track (231, (232), nut (220) is arranged in the body of propeller (20), lengthwise screw rod (23) screws togather with nut (220), by motor (28), gear (26), (27) drive, and propeller (20) first half has one to advance platform (22).

2, the pipe machine of taking turns according to claim 1 is characterized in that acquiring a through rod device (3) at auxiliary engine bed (2) tail end, and by oil hydraulic cylinder (32) extension and contraction control piston rod (33), through rod (31) leading edge is a guide block.

3, the pipe machine of taking turns according to claim 1 is characterized in that each roll mould (161,162 ... 164) can be contained in tailstock (12) outside, auxiliary engine bed (2) is also corresponding moves outward.