CN1006863B

CN1006863B - Pipe processing device

Info

Publication number: CN1006863B
Application number: CN 85103538
Authority: CN
Inventors: 久保铁志
Original assignee: Individual
Current assignee: Individual
Priority date: 1985-02-16
Filing date: 1985-05-06
Publication date: 1990-02-21
Also published as: JPS61188016A; JPH0253169B2; CN85103538A

Abstract

A pipe processing device for use in cutting and/or chamfering a pipe to be welded where an attaching body is securely held on the outer peripheral surface of the pipe by means of three abutting members mounted in the angularly spaced relation with the position of the abutting member being adjustable by a screw bar and also smoothly moved along the outer peripheral surface of the pipe, which is then cut by means of a cutting wheel vertically for the axial line and if necessary the end of the pipe can be chamfered by means of a chamfering cutter mounted on the device.

Description

Pipe processing device

What the present invention relates to is the device of a pipe processing, and this device is used for cutting and/or the chamfering pipe.

Usually, when the assembling pipe, in tube end chamfering or finished edge work, what use is portable clamping device, during fine finishining then the time of some trouble and cost long, and another kind of method is to process with lathe, wherein, the pipe clip that has pre-determined length on lathe, with cutting tool the end face chamfering of this pipe, this also be trouble and operating efficiency not high.In addition, be used for a kind of device that cuts pipe of same purpose, for example represented in Japanese patent gazette 23727/1981, it discloses the roller chain of support cutting knife around being cut rotating then of pipe on every side, regulate and aim at cutoff edge, with starting point and the terminal point that satisfies line of cut.After carrying out these operations, the end face chamfering of pipe paper tinsel horse by perpendicular cuts and if desired the time.But disclosed device is imperfect, is centered around pipe chain on every side and must be connected into annularity with connecting ring, gets on so that big tension force is applied to it; And cutting knife must be rotated by the contact sprocket wheel, so that drive the cutter sweep with chain, needs masterful technique like this and spends a large amount of time.U.S. Pat 2,870,536; US3,237,301; US4,268,959 also relate to the invention of the device of pipe processing.In U.S. Pat 2,870, in 536, supporting mass and left and right two arms by the centre are formed, and a moving member passes this supporting member, and the outer end of this moving member has handle, there are cutting wheel and left and right two arms to close up device by lining one end, when handle rotates mobile moving member, make the cutting wheel feed and left and right two arms are closed up, just pipe is held tightly and cut off.

The invention provides a kind of device of pipe processing, so that cut soldered sheet and/or give its chamfering.This device cuts pipe with cutting wheel perpendicular to axis.This device can enoughly be installed on the device chamfering cutting knife chamfering or at the end face processing bevel for welding of pipe.

Another object of the present invention is to use the device of pipe processing of the present invention to finish pipe processing expeditiously.

Another object of the present invention is that the device of pipe processing can cut large diameter pipe greater than 15 inch (approximately 38cm) effectively perpendicular to axis.

Another object of the present invention is the device chamfering or at the end processing bevel for welding greater than the large diameter pipe of 15 inch effectively of pipe processing.

Pipe processing unit (plant) of the present invention includes a supporting mass, and this supporting mass has a supporting member; A left arm, this left arm are rotatably connected on the bottom of this supporting member left-half; A right arm, this right arm are rotatably connected on the bottom of this supporting member right half part; A left supporting member, this left side supporting member is contained in the free end portion of this left arm; A right support part, this right support part is contained in the free end portion of this right arm; A guide is fixed on this supporting member; A moving member is contained on this guide, and this moving member can move forward and backward along this guide; A turning cylinder is contained on this moving member; A cutting wheel is contained on this turning cylinder; One can make about the device of two arm foldings.Special character of the present invention is to include a upper supporting part, and this upper supporting part is contained in the center of this supporting member and the backing roll of pair of parallel is arranged; Above-mentioned left supporting member and above-mentioned right support part all have the backing roll of pair of parallel; Each of upper supporting part, left supporting member and right support part is to the mid point between the parallel backing roll, and its position is positioned at the equilateral triangle that is formed by above-mentioned mid point binding; Can make above-mentioned left and right arm closing device, be to be installed in screw rod on the above-mentioned supporting member by a lower end, constitute with an installed part that is contained on the above-mentioned screw rod with screw thread, a left tie rod, the upper end of this left side tie rod installs to the left part of this installed part rotationally, and its lower end installs on the left arm rotationally; A right tie rod, the upper end of this right side tie rod installs to the right part of this installed part rotationally, and its lower end installs on the right arm rotationally; One and above-mentioned cutting wheel are contained in the chamfering cutting knife on the above-mentioned turning cylinder together; A motor that rotates above-mentioned cutting wheel and above-mentioned chamfering cutting knife.

Fig. 1 is the front view of the device of pipe processing of the present invention;

Fig. 2 is the rearview of the device of pipe processing of the present invention;

Fig. 3 is the lateral side view of the device of pipe processing of the present invention;

Fig. 4 is the left side view of the device of pipe processing of the present invention;

Fig. 5 is the top view of the device of pipe processing of the present invention;

Fig. 6 is the bottom view of the device of pipe processing of the present invention;

Fig. 7 is the perspective view of the basic element of character of the present invention, wherein, and cutting wheel, the lid of a part of cutting wheel and separate cutting knife and be omitted;

Fig. 8 is in the present invention, the enlarged drawing of relevant structure in the left arm parts, left tie rod and left supporting member;

Fig. 9 is the guide that is used for turning cylinder, the enlarged drawing of the relevant structure of displaceable member and driving mechanism;

Figure 10 is the profile of the bare bones of amplification of the present invention; This profile is expressed cutting wheel and chamfering cutting knife and is contained in state on the turning cylinder;

Figure 11 is to use view of the present invention, and wherein the device of pipe processing is cutting the view of pipe with cutting wheel;

Figure 12 is to use the profile of the process of cutting wheel cutting pipe;

Figure 13 is to use the chamfering cutting knife just at the profile of the process of chamfering tube end;

Figure 14 is the partial view of chamfering tube end;

Figure 15 is to use the view of state of the present invention, and wherein, the device of pipe processing is being used chamfering cutting knife chamfering tube end, and a supporting mass is placed on the pipe.

Referring now to accompanying drawing of the present invention one embodiment of the present of invention are described.

Referring to figs. 1 through Fig. 7, supporting mass 1 has a supporting member, and the both sides of this supporting member are made downward.Upper supporting part 3 usefulness bolsters 4 are fixed on the bearing part 2a, and this bearing partly is formed on the core of supporting member 2.Upper supporting part 3 is equipped with a pair of clamping bar 5,5.This supporting rod is fixed on the bolster 4 in its corner, and this supporting rod becomes dihedral respectively, and the length on its dihedral both sides is identical, and support roller 6a is contained in the end of a pair of supporting

rod

5,5 both sides respectively, so that each roller can rotate under parastate.On the other hand, upper supporting part 3 is equipped with a contact 6, and this contact 6 has pair of parallel contact wheel 6a, 6a.The bottom of left arm 7 installs on the end of left side 2b of supporting member 2 rotationally with axle 8, and the bottom of right arm 9 installs to rotationally with bearing pin 10 on the end of right-hand part 2c of supporting member 2.A bolster 11 installs to the free end portion of left arm 7 rotationally, and identical bolster 12 is contained in the free end portion of right arm 9 rotationally.

As 1 and shown in Figure 2, left supporting member 13 is equipped with a pair of supporting

rod

14,14, this supporting rod is fixed on the bolster 11 in its corner, and this supporting rod becomes dihedral respectively, the length on its dihedral both sides is identical.Support roller 15a is contained in the end of a pair of supporting

rod

14,14 both sides respectively, so that each roller can be rotated under parastate.In other words, left supporting member 13 is equipped with the contact 15 of band pair of parallel backing roll 15a, a 15a, and this contact can rotate bolster 11.

Equally, right support part 16 is equipped with a pair of supporting

rod

17,17, and this supporting rod is fixed on the bolster 12 in its corner, and this supporting rod becomes dihedral respectively, and the length on its dihedral both sides is identical.

Backing roll 18a is contained in the end on the both sides of a pair of supporting

rod

17,17 respectively, so that each roller can be rotated under parastate.In other words, right support part 16 is equipped with a contact 18, and this contact has pair of parallel backing roll 18a, 18a, and this pair of parallel backing roll can rotate bolster 12.

With reference to Fig. 1, a basic part 19 is fixed on the upper surface of supporting member 2 cores.Screw rod 20 its bottoms are installed on the said supporting member 19.An installed part 21 is connected with screw rod 20 by its screw 22.Therefore, rotating screw bolt 20 can move up or down installed part 21.The bottom of left side tie rod 23 installs on the axle 25 rotationally, and this 25 passes on the lower part that connector 26 is contained in left arm 7.

Equally, the upper end of right tie rod 27 installs on the right part 21b of supporting member 21 rotationally with axle 28.The bottom of right tie rod 27 installs on the axle 29 rotationally, and this 29 passes on the lower part that connector 30 is contained in right arm 9.

Handle 31 passes the lateral aperture that make screw rod 20 upper ends loosely, can easily use handle 31 rotating screw bolts 20 like this.Prevent that the end block 31a, the 31a that deviate from are contained in the two ends of handle 31.

With reference to Fig. 2, at a guide, its underpart is fixed on the right half part 2c of supporting member 2.This guide 32 is contained in the framework, extends on the on the left side oblique direction.

With reference to Fig. 9, a displaceable member 33 is contained on the guide 32, and wherein, the clamping part 33a of displaceable member 33 installs on the guide pillar part 32a of guide 32 slidably.

To shown in Figure 6, a motor 34 is contained in the back of moving member 33 as Fig. 2.

With reference to Fig. 9 and Figure 10, a turning cylinder 35 is being supported by bearing 36, this bearing is contained in the supporting part 33b of bottom of moving member 33, gear train is to form like this, promptly is fixed on gear 37 and an axle that is fixed on motor 34 on the turning cylinder 35 39 breast wheels that are meshed 38 that cog and meshes.A cutting wheel 40 is as abrasive cut-off wheel, and it is a collar plate shape, and a cylindrical isolator 41 that is contained on the turning cylinder 35 is housed in the 40a of heart hole therein.Chamfering cutting knife 42 its centre bore 42a are contained on the turning cylinder 35, and this chamfering cutting knife has a disk of being made by high-speed steel, makes cutting knife part 42b in the circumferential periphery portion of this disk.The contact surface 42e of a chamfering cutting knife 42 contacts with the inner surface of cutting wheel 40.The centre bore 43a of a pressure contact member 43 installs on the turning cylinder 35.The contact surface 43b of pressure contact member 43 contacts with the outer surface of cutting wheel 40.A screw 54 is contained in the screwed hole of turning cylinder 35.Two sides of cutting wheel 40 by chamfering cutting knife 42 and pressure contact member 43 clampings.Cutting wheel 40, chamfering cutting knife 42 and pressure contact member 43 can rotate with turning cylinder 35.In this case, cutting wheel 40, chamfering cutting knife 42 and turning cylinder 35 have a common axis.

With reference to Fig. 2 and Fig. 7, the bottom of screw rod 44 is contained on the supporting part 33c of displaceable member 33, and this screw rod 44 is loaded in the screw 45 of the beam part 32b of guide 32.Rotating screw bolt 44 can make displaceable member 33 advance or retreat along guide 32.

In an embodiment, see from the front end of supporting member to be reclinate shape, and its section is aduncate U-shaped.Packing in the left-half 2b of supporting member 2 in the top of left arm 7, and swingingly couples together with axle 8.The end portion of left side tie rod 23 is fixed on the connector 26, and this connector 26 is installed on the axle 25 rotationally.In the mid portion insertion groove 46 of left side tie rod 23, this groove 46 is on the left half 2b of supporting member 2.Packing in the right half part 2c of supporting member 2 in the top of right arm 9, and swingingly couples together with bearing pin 10.Right tie rod 27 lower parts are fixed on the connector 30, and this connector 30 is contained on the axle 29 rotationally.In the mid portion insertion groove 47 of right tie rod 27, this groove 47 is on the right half part 2c of supporting member 2.

As shown in figure 11, upper supporting part 3, left supporting member 13 and right support part 16 have identical shape and identical size.

The center of each roller 6a, 6a of contact 6 is contained in from the center of bolster 4 same distance part, equally, the center of each

roller

15a, 15a of contact 15 is contained in from the center of bolster 11 same distance part, too, the center of each touch roll 18a, 18a of contact 18 is contained in from the center of bolster 12 same distance part.

With reference to facing Figure 11, left supporting member 13 is positioned at the left side of the downward extended line of center line of the bolster 4 of upper supporting part 3, and right support part 16 is positioned at the right side.

Upper supporting part 3, left supporting member 13 and right support part 16 are bearing on the excircle of pipe a by means of the left arm 7 that moves upward along with supporting member 21, right arm 9, left tie rod 23 and right tie rod 27.

The extended line 50 of the extended line 49 of the extended line 48 of the vertical center line of bolster 4, the center line of bolster 11 and the center line of bolster 12 is in 120 ° of intervals, and intersects at central point 0.Press the open configuration between left arm 7 and the right arm 9,120 ° interval can not change yet.

Left side supporting member 13 and right support part 16 can be swung on each

bolster

11,12 respectively.Upper supporting part 3 usefulness bolsters 4 are fixed on the supporting part 2a of supporting member 2.Pair of parallel backing roll 6a, 6a are configured to seem that the connecting line between the center of this backing roll 6a, 6a is on horizontal line.Therefore, be orthogonal to the mid point of the connecting line between this roller 6a, the 6a center line by the initial vertical line in the centre of bolster 4.In addition, this backing roll 6a, 6a are symmetrical in screw rod 20 location.

Handle 51 is installed in the upper end of screw rod 44.In the accompanying drawings, sequence number 52 is covers of cutting wheel 40, and sequence number 53 is packing rings, and

backing roll

6a, 6a, 15a, 15a and 18a, 18a can replace with bearing roller.

As mentioned above, the device of pipe processing constructed in accordance, available handle 31 rotating screw bolts 20 move down supporting member 21, and therefore, left tie rod 23 and right tie rod 27 are moved downward, and then left arm 7 and right arm 9 are outwards moved.After above-mentioned situation produced, upper supporting part 3, left supporting member 13 and right support part 16 were close towards the external peripheral surface b of pipe a.

Then, with handle 31 rotating screw bolts 20 supporting member 21 is moved up, therefore, left side tie rod 23 and right tie rod 27 are moved downward, and while left arm 7 and right arm 9 upwards push away, so that pipe a is clamped, therefore upper supporting part 3, left supporting member 13 and right support part 16 compressings are touched on the external peripheral surface of pipe a.Supporting mass 1 is clamped on the pipe a as a result.

As shown in figure 11, after supporting mass 1 is clamped on the pipe a,

backing roll

6a and 6a, 15a and 15a, mid point between 18a and the 18a is positioned, and seem each summit corresponding to equilateral triangle, and this state also always keeps this state under the situation of the pipe of different size.

Moved by this way simultaneously at supporting member 13 and right support part 16, promptly upper supporting part 3 is supported to the top portion of the circumferential surface of pipe a, then rotating screw bolt 20, this left side supporting member 13 is moved, so that surround from its lower-left side direction pipe a, shown in arrow c, and this right support part 16 is moved equally, so that surround pipe a from its lower right side, shown in arrow d.

A left side supporting member 13 and right support part 16 are done oscillating motion, so that each

backing roll

15a, 15a and 18a, 18a can be oppressed on the external peripheral surface b that touches pipe a fully, and therefore clamping tube firmly.

Then, hotwire 34, by

gear

37,38 and 39 turning cylinders 35, and simultaneously with high speed rotating cutting wheel 40 and chamfering cutting knife 42.

With reference to Figure 12, advance displaceable member 33 that cutting knife is bearing on the external peripheral surface b of pipe a with screw rod 44, with handle 51 rotating screw bolts 44 with further fixing cutting position, rotate cutting wheel then so that the partial cut pipe, it is entered on the inner circumferential surface e from external peripheral surface b, after aforesaid operations, supporting member 1 rotating

support roller

6a, 6a and 15a, 15a and 18a, 18a along the external peripheral surface b of pipe a with the mobile reposefully supporting mass 1 of hand, therefore, this cutting wheel 40 turns around around pipe a, just can finish cutting by enough cutting wheels 40.

Chamfering cutting knife 42 is placed on the external peripheral surface b of the tube end that is cut by cutting wheel 40, then operate, can carry out chamfering with predetermined angle like this, as shown in figure 13, therefore, this chamfering cutting knife turns around around pipe a with supporting mass 1, and the enough chamfering cutting knifes 42 of energy are finished the chamfering of predetermined angular in the end of pipe.

When supporting mass 1 being fixed on firmly on the pipe a with upper supporting part 3, left supporting member 13 and right support part 16, supporting member 1 can be along the external peripheral surface b of pipe a reposefully along turning round on the outer circumference surface of pipe a, even when when cutting pipe or chamfering pipe produce strong repulsive force, supporting mass 1 also can be reposefully along turning round on the outer circumference surface of pipe a.

In this embodiment, express upper supporting part 3, wherein bolster 4 is fixed on the supporting part 2a of supporting member 2, and supporting

rod

5,5 is fixed on this bolster 4, and a pair of roller 6a, 6a install on the supporting

rod

5,5 abreast.But the upper supporting part of the enough swings of energy replaces this upper supporting part 3, and the upper supporting part that can swing is movable on bolster 4.

The device of pipe processing of the present invention only can be used to cut pipe or only be used for to the tube end chamfering.

In device according to pipe processing of the present invention, device is stable to the adjustment state of pipe, the position of three mid point sd sos between the pair of parallel roller of each upper supporting part, left supporting member and right support part, when connecting each this mid point, seem an equilateral triangle, and no matter its size how.And left supporting member and right support part also can be swung, so that easily adjusting device is to the state of pipe.

In addition, even when carrying out chamfering with cutting wheel cutting pipe or with the chamfering cutting knife, produce under the situation of strong repulsive force, supporting member can turn round around the pipe outer circumference surface reposefully.

In addition, device according to the present invention has the very wide pipe sizing scope of application; And especially effectively be used on the pipe of diameter greater than 15 inch (38cm).

In addition, when device according to the present invention uses on the limit of welding pipe end portion prepares, obviously improved operating efficiency.

Claims

1, a kind of pipe processing unit (plant) includes a supporting mass, and this supporting mass has a supporting member; A left arm, this left arm are rotatably connected on the bottom of this supporting member left-half; A right arm, this right arm are rotatably connected on the bottom of this supporting member right half part; A left supporting member, this left side supporting member is contained in the free end portion of this left arm; A right support part, this right support part is contained in the free end portion of this right arm; A guide is fixed on this supporting member; A moving member is contained on this guide, and this moving member can move forward and backward along this guide; A turning cylinder is contained on this moving member; A cutting wheel is contained on this turning cylinder; One can make about the device of two arm foldings; It is characterized in that also including a upper supporting part, this upper supporting part is contained in the center of this supporting member and the backing roll of pair of parallel is arranged; Above-mentioned left supporting member and above-mentioned right support part all have the backing roll of pair of parallel; Each of upper supporting part, left supporting member and right support part is to the mid point between the parallel backing roll, and its position is positioned at the equilateral triangle that is formed by above-mentioned mid point binding; Can make above-mentioned left and right arm closing device, be to be installed in screw rod on the above-mentioned supporting member by a lower end, constitute with an installed part that is contained on the above-mentioned screw rod with screw thread, a left tie rod, the upper end of this left side tie rod installs to the left part of this installed part rotationally, and its lower end installs on the left arm rotationally; A right tie rod, the upper end of this right side tie rod installs to the right part of this installed part rotationally, and its lower end installs on the right arm rotationally; One and above-mentioned cutting wheel are contained in the chamfering cutting knife on the above-mentioned turning cylinder together; A motor that rotates above-mentioned cutting wheel and above-mentioned chamfering cutting knife.