CN2546126Y

CN2546126Y - Straight seam welding pipe inner burr scraping cutter

Info

Publication number: CN2546126Y
Application number: CN 02232152
Authority: CN
Inventors: 潘克云
Original assignee: Jinzhou Pipe Industry Co ltd H
Current assignee: Zhejiang Kingland Pipeline Technology Co., Ltd.
Priority date: 2002-04-09
Filing date: 2002-04-09
Publication date: 2003-04-23
Anticipated expiration: 2012-04-09

Abstract

The utility model is a burr planing tool in a longitudinal welded pipe, which comprises a plurality of blades, blade screws, a toolbar, toolbar screws and a toolbar seat, wherein, the blades are fixed on the toolbar by blade screws, the toolbar is fixed on the toolbar seat by toolbar screws, the toolbar seat is formed by connecting a fixed seat and a movable mount, the middle part of the fixed seat is opened with a rectangular groove facing upwards, the movable mount is arranged in the groove, two stop screws are connected with the fixed seat by going through the front part and the rear part of the movable mount respectively, a plurality of springs are longitudinally disposed between the fixed seat and the movable mount, and the toolbar is fixed on the upper part of the movable mount through toolbar screws. The utility model has advantages that the precision requirements to the inner diameter of the welded pipe is rather low, the planing of the planing tool is continuous and the planing quantity is adjustable, and the planing will not have the blockage phenomenon, therefore, the production efficiency and the rolling yield are greatly improved.

Description

Burr planing tool in the ERW

Technical field

The utility model belongs to metallic article deep processing field, relates to burr removal device in a kind of ERW, especially is applicable to the planing tool device of the interior burr of small-bore ERW in the removing.

Technical background

Chinese patent ZL94243377.3 discloses a kind of welding tubing inner-burr cleaning device.It is made up of support body, pull bar, knife rest, bolt, adjusting pad, carrying roller, roll shaft, bearing, cushion etc.Because its cushion stroke of being located at the roller carrier shaft end is very limited, makes this utility model require height to the internal diameter precision of welded tube, can not adapt to bigger welded tube internal diameter fluctuation.Simultaneously,, make the channel of chip removal of this utility model be easy to stop up, influence operation because it constitutes channel of chip removal by oblique chip-removal hole is set with axial chip-removal hole on support body.In addition, when this utility model was used on continuous unit, the cross weld meeting direct collision scraper of manual butt welding caused the blade chipping easily.

Summary of the invention

The technical problems to be solved in the utility model is that the required precision of burr planing tool butt welding bore is too high in the ERW, provides the required precision of a kind of butt welding bore low, and chip removal is unobstructed, and blade is not subject to hit the interior burr planing tool of ERW of chipping.

For achieving the above object, solution of the present utility model is: burr planing tool in a kind of ERW, by some blades, the blade screw, knife bar, the knife bar screw, compositions such as knife bar seat, described blade is fixed on the knife bar by the blade screw, knife bar is fixed on the knife bar seat by the knife bar screw, the knife bar seat is formed by holder and sliding seat connection, holder integral body is cylindrical, its middle part and rear portion, the part is half-cylindrical or other are not exclusively cylindrical, the holder middle part upwards has a rectangular channel, sliding seat is installed in the groove, sliding seat integral body is cuboid, its length and width and rectangular channel are complementary, two stop screws pass the sliding seat front and rear respectively and connect mutually with holder, some springs vertically are installed between holder and sliding seat, knife bar is fixed on sliding seat top by the knife bar screw, all constituting the cross section by the side of the upper surface of holder and sliding seat in a side of every group of blade and knife bar is fan-shaped gap slot, every the front portion of knife bar all is provided with anti-collision block with respect to gap slot one side, its highest point put down in or a little more than the blade of blade.

For avoiding blade to scratch the welded tube inner surface, two rollers are installed respectively on holder of the present utility model and the sliding seat, bearing all is equipped with in roller inside.

Because blade is very fast in the running hours temperature rise, particularly when working online, blade all directly contacts with the weld seam of red heat with roller, therefore the utility model can all be provided with cooling-water duct on holder and sliding seat, link up each other, and be opened on respectively near holder and the axial junction of sliding seat and blade the place ahead.

In order to make shavings more successfully be imported gap slot and channel of chip removal, the installation of each blade of the utility model all in the horizontal direction with respect to the welded tube axis to gap slot lopsidedness certain angle.

The utility model also can be provided with at the knife bar rear portion can be for the knife bar screw hole of adjusting knife bar and blade front and back position.

Compared with prior art, advantage of the present utility model is: the burr planing tool is made up of standing part and the movable part that is installed in wherein generally in this ERW, movable part both can be up and down in the scope that stop screw allows with respect to standing part, upwards be pressed on constantly under the effect of spring force on place, the weld seam place tube wall again during work, so it can adapt to the bigger internal diameter fluctuation of welded tube, promptly the required precision of butt welding bore is lower; Planing tool planing amount is adjustable continuously in addition, and the corresponding raising of planing amount quality is so therefore the performance of burr planing tool is obviously improved in the ERW.In addition, because a side of each group blade and knife bar is the leaving certain gaps uncovered by the economic plan groove all, join to help the blade mounted angle of dust lead, and the water spray butt welding is met with the pressure of blade cooling and is washed away, make planing tool planing stable performance, planing can not stopped up, and is easy to by natural eliminating, so planing quality is stable and stream time is long.Have again, because the relative side with gap slot of knife bar front end of burr planing tool is provided with anti-collision block in this ERW, manual butt welding cross weld is to the direct collision of blade in the time of can preventing to use on continuous unit, the pressure of blade cooling in addition, make blade be difficult for chipping, thereby can enhance productivity greatly and lumber recovery.

Description of drawings

Fig. 1 faces generalized section for the utility model in working order.

Fig. 2 is the top cross-sectional view of this ownership in working order.

Fig. 3 is that the A of Fig. 1 is to profile.

In institute's drawings attached, the corresponding relation of part and numbering thereof is as follows: the 1-holder; Roller under the 2-; The 3-cooling-water duct; The 4-upper roller; The 5-stop screw; 6-prevents collision block; The 7-blade; 8-blade screw; 9-knife bar screw; The 10-knife bar; The 11-spring; 12-knife bar screw hole; The 13-sliding seat; The 14-gap slot; The 15-bearing.

In the burr planing tool, whole planing tool is connect by standing part and movable part generally forms the specific embodiment in ERW shown in the drawings.The bearing of roller 2 inside was formed the effect of playing the carrying movable part and movable part being located under standing part was reached by holder 1 and following roller 2; Holder 1 is whole cylindrical, and its middle part and part, rear portion are half-cylindrical or not exclusively cylindrical; Holder 1 middle part upwards has a rectangular channel.Following roller 2 has two, is installed on respectively in the groove that holder 1 front and rear leaves downwards, and its circumference minimum point is a little less than holder 1 bottom line, and its inside is equipped with bearing 15, can avoid planing tool to scratch the welded tube bottom interior surface like this and cause the straight way defective.Sliding seat 13 is installed in the rectangular channel, and sliding seat 13 integral body are cuboid, and its length and width and rectangular channel are complementary, make sliding seat 13 both can be in rectangular channel play up and down, be unlikely to again and the rectangular channel inwall between big space is arranged.Two stop screws pass sliding seat 13 front and rears respectively and connect mutually with holder 1.Between holder 1 and sliding seat 13, be included in the stop screw hole, some springs 11 are installed.Like this, when planing tool stretches into when working in the welded tube, so long as in the scope that stop screw 5 allows, spring 11 can be with sliding seat 13 jack-up upwards.Movable part is formed by sliding seat 13, upper roller 4, bearing 15, knife bar screw 9, knife bar 10, blade screw 8, blade 7 with the anti-collision block 6 of knife bar 10 one.Wherein upper roller 4 has two, be installed on respectively in the groove that sliding seat 13 front and rears upwards leave, its circumference peak is a little more than sliding seat 13 top lines, and under the planing tool duty, also a little more than holder 1 top line, its inside is equipped with bearing 15, can avoid planing tool to hinder the welded tube top inner surface causing the straight way defective equally like this.The blade 7 of annular is anchored on knife bar 10 front ends by the blade screw 8 of countersunk head.Knife bar 10 is fastened on the inclined-plane on sliding seat 13 tops by knife bar screw 9.Because sliding seat 13 is by spring jack-up, so blade 7 is pressed on the ERW top inner surface all the time, be on the weld seam place place inner wall of welded pipe,, reach the effect of the interior burr of welded tube of planing so that this planing tool can adapt to bigger welded tube internal diameter fluctuation during motion before in respect to welded tube.Can get rid of shavings smoothly in order to make planing tool, by design to different cross section shape before, during and after the holder 1, making a side of every group of blade 7 and knife bar 10 all constitute the cross section by the side of the upper surface of holder 1 and sliding seat 13 is fan-shaped gap slot 14, and this gap slot 14 extremely helps planing tool with the common channel of chip removal that constitutes of inside pipe wall at work and gets rid of shavings unobstructedly.Simultaneously, be channel of chip removal for the ease of shavings being imported gap slot 14, the installation of each blade 7 all in the horizontal direction with respect to the welded tube axis to gap slot 14 lopsidedness certain angles.This angle generally between 4 ℃ to 8 ℃, is 8 ℃ in Fig. 2.Aforementioned anti-collision block 6 with knife bar 10 one is located at the side that knife bar 10 is anterior and gap slot 14 is relative, and its width is not enough to influence the operate as normal of blade, and its height should guarantee that it highly locates to put down in can be a little more than the blade of blade 7.When the setting of anti-collision block 6 was used this planing tool on unit continuously, the butt welding cross weld at first collided with anti-collision block 6 on hand, and in moment with sliding seat 13 together with corresponding blade 7 to pressing down, avoid blade to be hit chipping.Simultaneously, being provided with at the rear portion of knife bar 10 can be for the knife bar screw hole of adjusting knife bar 10 front and back positions, this knife bar screw hole 12 can be the stepped hole of runway shape, can reach all continuously adjustable purpose of the cutting depth that makes each blade by the diverse location that knife bar screw 9 is positioned this knife bar screw hole, thereby the cutting output that can reasonably distribute each blade 7 in some blades 7, to obtain desirable planing efficient and quality.In order to solve the problem that planing tool and red heat weld seam are cooled off, on aforementioned fixation seat 1 and sliding seat 13, all offer cooling-water duct 3.Cooling duct on the holder has two places to be opened on holder and sliding seat 13 axial tops, joint, and cooling water therefrom sprays the weld seam and upper roller 4 places that can be sprayed onto red heat forces cooling to the two; Cooling-water duct 3 on the holder 1 has some places to be opened on holder rectangular channel sidewall in addition, communicate with cooling-water duct 3 on the sliding seat 13 respectively, cooling-water duct on the sliding seat 13 is opened near each blade 7 the place ahead, cooling water therefrom sprays and can be sprayed onto cutting point and force cooling, and helps to wash away shavings.

Claims

1. burr planing tool in the ERW, by some blades (7), blade screw (8), knife bar (10), knife bar screw (9), compositions such as knife bar seat, described blade (7) is fixed on the knife bar (10) by blade screw (8), knife bar (10) is fixed on the knife bar seat by knife bar screw (9), it is characterized in that: the knife bar seat is formed by holder (1) and sliding seat (13) connection, holder (1) is whole cylindrical, its middle part and rear portion, the part is half-cylindrical or other are not exclusively cylindrical, holder (1) middle part upwards has a rectangular channel, sliding seat (13) is installed in the groove, sliding seat (13) integral body is cuboid, its length and width and rectangular channel are complementary, two stop screws (5) pass sliding seat (13) front and rear respectively and connect mutually with holder (1), between holder (1) and sliding seat (13), some springs (11) are installed vertically, knife bar (10) is fixed on sliding seat (13) top by knife bar screw (9), side at every group of blade (7) and knife bar (10) is fan-shaped gap slot (14) by the upper surface of holder (1) and the formation cross section, side of sliding seat (13) all, every the front portion of knife bar (10) all is provided with anti-collision block (6) with respect to gap slot (14) one sides, its highest point put down in or a little more than the blade of blade (7).

2. burr planing tool in the ERW according to claim 1, it is characterized in that: slot respectively and two following rollers (2) are installed downwards therein at the front and rear of holder (1), slot respectively and two upper rollers (4) upwards are installed therein at the front and rear of sliding seat (13), bearing (15) all is housed in all roller inside.

3. burr planing tool in the ERW according to claim 1, it is characterized in that: on holder (1) and sliding seat (13), all be provided with cooling-water duct (3), link up each other, and be opened on respectively near holder (1) and the axial junction of sliding seat (13) and blade (7) the place ahead.

4. burr planing tool in the ERW according to claim 1 is characterized in that: the installation of each blade (7) all in the horizontal direction with respect to the welded tube axis to gap slot (14) lopsidedness certain angle.

5. burr planing tool in the ERW according to claim 1 is characterized in that: knife bar (10) rear portion is provided with can be for the knife bar screw hole (12) of adjusting knife bar (10) and blade (7) front and back position.