CN202591747U

CN202591747U - On-line inner burr removal device for straight welded seam steel pipe

Info

Publication number: CN202591747U
Application number: CN 201220170485
Authority: CN
Inventors: 汤涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-21
Filing date: 2012-04-21
Publication date: 2012-12-12
Anticipated expiration: 2022-04-21

Abstract

The utility model discloses an on-line inner burr removal device for a straight welded seam steel pipe. A hollow vehicle body (10) and a pull rod (25) are fixedly connected through a joining sleeve (26); the joining sleeve (26) has a stepped structure; a tool apron (3), a left upper roller (8), a right upper roller (12), an annular cushion block (40), an annular baffle (6), an annular supporting plate (7), connecting rods (34), a piston (17) and a piston rod (31) are arranged on the vehicle body (10); a sliding groove (50) is formed at one end, which is connected with the piston rod (31) in a sliding way, of each connecting rod (34), and the other ends of the connecting rods (34) are in pin connection with a left lower roller (37) and a right lower roller (33) respectively; a pressure tube (18) and the joining sleeve (26) are hermetically fixed and are communicated; and an annular sleeve (19) and an annular sleeve (24) are sleeved on the pull rod (25). The device is stationary relative to the ground when the device operates, and the aim that the two lower rollers simultaneously and freely extend and retract is fulfilled by applying the lever principle; and the device is convenient to adjust and easy to machine, has a simple structure, and is portable and reliable.

Description

Burr device for excising in a kind of straight weld steel pipe is online

Technical field

The utility model relates to the online burr remover of a kind of straight weld steel pipe, relates in particular to the online burr remover of high-frequency straight seam welded pipe, and main speed of production is 20-60m/min, and the production diameter is 21.3-136mm.

Background technology

Along with the development of society and improving constantly of up-to-dateness, steel pipe market competition more and more fierce.The weld seam steel pipe is in welding process, and the steel pipe edge melts, under the format roll extruding; Motlten metal in the weld seam is distributed in the outside in the weld seam; Thereby inside and outside burr occurs, need the excision burr could obtain qualified steel pipe, need use special-purpose inside and outside burr excision equipment and excise these burrs.At present, the excision equipment of outer burr can satisfy the demand of production, but interior burr excision equipment fails to obtain the approval of enterprise always.The method of burr has the method for off-line deburring and online deburring in going, and the off-line deburring because the cold welding crack structure is stable, needs very big pulling force and high abrasion to decrease cutter and just can finish the work, and also must use the main equipment and the human resources of off-line deburring.By contrast, not only economy but also practicality of online burr remover.

China's utility model patent 200520000854.6 discloses the online lining inner burr removing apparatus of a kind of vertical masonry joint high-frequency welding steel pipe.This utility model is the online lining inner burr removing apparatus of a kind of vertical masonry joint high-frequency welding steel pipe, and burr in the online removal steel pipe when being used for vertical masonry joint high-frequency welding steel pipe's production is by pull bar; Drawhead; Plug is installed in cutter, lifting piston, top backing up roll and lower support roller on the plug, is installed in riser and adjustment plate on the drawhead; The compositions such as force pipe that communicate with the plug endoporus are equipped with impedor that is used for welded still pipe and the cooling water pipe that links to each other with impedor on the pull bar outer wall.During work, the blade of the cutter on the plug is scraped on the burr in steel pipe, and steel pipe is walked and done relative motion with the burr removing device, realizes removing the burr purpose in the steel pipe.

Yet this lining inner burr removing apparatus has following defective:

1. volume is heavy, processing difficulties.The impedor of solid mandrel that this lining inner burr removing apparatus composition mainly is trough of belt and hole and solid pull bar, solid piston, band bar magnet, volume is heavy comparatively speaking.The part indoor design of this device has the through hole of minor diameter and the corner of through hole to be designed to the right angle, and this structure is difficult to processing, and cost is very high;

2.The bending resistance square and the torque capability of pull bar are poor.The weld seam steel pipe is from the steel plate forming to the round steel pipe, and deformation process is longer, in this case; This device pull bar is limited by the impedor internal diameter; The pull bar external diameter is too thin, and the bending resistance square and the torque capability of bearing are poor, influences the operate as normal of plug; Clean phenomenon is scraped or do not scraped to the as easy as rolling off a log cutter that causes partially, judges according to target level of product quality to occur a large amount of defective steel pipes undoubtedly.In addition, owing to scrape partially, cutter scrapes on the hard tube wall, and the cutter that not only weares and teares is fast, and causes " forging a knife " phenomenon easily.

Based on same reason, existing many lining inner burr removing apparatus are difficult to promoted the use of.

The utility model content

The utility model provides a kind of easy processing simple in structure, the online burr remover of light reliable straight weld steel pipe in order to overcome the above-mentioned defective that prior art exists.

The utility model is the online interior burr device for excising of a kind of straight weld steel pipe.It is characterized in that: be fixedly connected through convergence set between hollow car body and the pull bar, described convergence set becomes stepped, and pull bar is a hollow; Tool rest, upper left roller, upper right roller, annular cushion block, ring baffle, annular backup pad, pull bar, piston, piston rod are installed on the car body; Tool rest is fixed on the car body through screw, and cutter is fixed on the tool rest through screw rod, and cutter is a carbide alloy annular scraper; Car body has left chamber and right chamber, and two chambeies are communicated by passage; In the right chamber piston, spring, buffering ring are arranged; Buffering ring and spring are adjacent in the left end in right chamber, and the external diameter of spring equates with the internal diameter of buffering ring, sealing ring and piston rod are installed on the piston; Two connecting rods about piston rod connects; Two connecting rod one ends are equipped with left lower roll and bottom right roller respectively, and the other end is connected with bottom right roller pin with left lower roll, and two connecting rod middle parts are connected to car body through pin; Left side through hole and right through hole are near left chamber right-hand member, and left lower through-hole and bottom right through hole are positioned at centre position, left chamber, and upper left roller, upper right roller, left lower roll, bottom right roller are positioned on respectively in left through hole, right through hole, left lower through-hole, bottom right through hole; Two annular covers all are sleeved on the pull bar, play the effect of lifting, and the angular adjustment cover is fixing with the welding of pull bar outer wall, and are used with arc-shaped scale; Force pipe is inserted in the pull bar by the right output port of pull bar, extend on the convergence set through hole and with the convergence set sealing and fixing.

Further, be set with impedor and cooling water pipe on the pull bar, described impedor left end nestles up convergence set, and right-hand member nestles up back-up ring, and described back-up ring is fixed in the pull bar outer wall groove.

Further, pull bar is to be threaded with the convergence set connected mode.

Further, left through hole, right through hole, left lower through-hole, bottom right through hole are the grooved hole, tool rest next door be provided with cinder hole with under fall cinder hole, pass is a manhole.

Further, the masterpiece on the piston rod of side-to-side movement is used for connecting rod, uses the purpose that lever principle realizes that two lower rolls freely stretch simultaneously.

Further, be the sealing welding between car body and convergence set, pull bar and angular adjustment cover, force pipe and convergence set, square steel and the annular cover.

Further, spring is in the raw the time, and piston is positioned at the right-hand member in right chamber, and lower roll is in contraction state.

Further, the angular adjustment cover is fastened on the dial through hand screw, through manual adjustments angular adjustment cover and hand screw, i.e. adjustable-angle.

Further, apart from about impedor right-hand member 5-10mm, be the high-frequency welding place of outer wall of steel pipe.

Further, described upper left roller, upper right roller, left lower roll, bottom right roller, the radius R of roller and steel pipe inside radius equal and opposite in direction, shape becomes the H type.

It is thus clear that the burr device for excising all had innovation in the straight weld steel pipe of the utility model was online on principle and structure, made a concrete analysis of as follows:

1. the utility model device adopts lever principle first, and the benefit of bringing thus is: the steel pipe bore is required to reduce.The burr device for excising is to utilize lifting piston to realize the flexible purpose of lower roll wheel in existing; Make lower roll wheel stable; To the degree of depth of plunger shaft and the thickness requirement height of piston, the degree of depth of plunger shaft can cause structural strength to descend too deeply, thereby this device receives the restriction of steel pipe bore.And the interior burr device for excising of the utility model adopts above-mentioned principle; Utilize the piston of side-to-side movement to promote piston rod; Masterpiece on the piston rod is used for connecting rod, realizes the purpose that two lower rolls freely stretch simultaneously, receives the influence of bore little; And lower roll wheel can be completely retracted in the car body, and is easy to use;

2. to bear the moment of flexure torque capability good for pull bar.In the existing lining inner burr removing apparatus; Receive the restriction of impedor internal diameter; Impedor becomes the strength weak link in the pull bar, and bending resistance square and torque capability that pull bar bears are poor, influences the operate as normal of plug; Clean phenomenon is scraped or do not scraped to the as easy as rolling off a log cutter that causes partially, judges according to target level of product quality to occur a large amount of defective steel pipes undoubtedly.In addition, owing to scrape partially, on the hard tube wall of cutter scraper, not only tool wear is fast, and causes " forging a knife " phenomenon easily.And the utility model device can overcome above problem, and the convergence set of the novel ladder-type structure of design both can guarantee that the external diameter of internal diameter and pull bar of impedor was identical, and moment of flexure that again can ensuring equipment produces and moment of torsion are within the tolerance range of pull bar;

3. weight is light, and is simple in structure, and part is prone to processing.During existing lining inner burr removing apparatus was formed, the solid mandrel in trough of belt and hole and solid pull bar, solid piston, volume were heavy comparatively speaking; The part indoor design has the passage of minor diameter and corner to be designed to the right angle; Complex structure is difficult to processing, and cost is high.And that the car body of the utility model device and pull bar are is hollow, and the thickness of piston is moderate, and overall weight is light; The angular adjustment cover is fastened on the dial through hand screw, through manual adjustments angular adjustment cover and hand screw, i.e. scalable car body angle; Install easy to adjustly, simple in structure, each part is conventional part; Processing easily, cost is lower.

Description of drawings

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

Fig. 2 is the embodiment figure of the utility model;

Fig. 3 is that the A of the utility model is to view (arc-shaped scale);

Fig. 4 is the cutter front view of the utility model;

Fig. 5 is the longitudinal sectional view of the roller of the utility model;

Among the figure: the 1-screw, the 2-screw, the 3-tool rest, the 4-cutter head, 5-is last to fall cinder hole, 6-ring baffle, 7-annular backup pad, the upper left roller of 8-; 9-left side through hole, 10-car body, the right through hole of 11-, the upper right roller of 12-, 13-buffering ring, 14-spring, 15-sealing ring; The 16-piston, 17-sealing ring, 18-force pipe, 19-annular cover, 20-square steel, 21-dial, 22-hand screw; 23-angular adjustment cover, 24-annular cover, 25-pull bar, 26-convergence set, 27-passage, the right chamber of 28-, 29-piston rod through hole; The 30-passage, 31-piston rod, 32-bottom right through hole, 33-bottom right roller, 34-connecting rod, 35-left side lower through-hole, chamber, a 36-left side; 37-left side lower roll falls cinder hole under the 38-, 39-screw, 40-annular cushion block, 41-impedor, 42-water pipe, 43-steel pipe; The 44-car body, the 45-high-frequency welding, 46-frame guide pillar, 47-tightly orders screw rod, 48-slide block, 49-impedor, 50-groove.

The specific embodiment

Below in conjunction with accompanying drawing, the online burr remover of straight weld steel pipe of the utility model is described in further detail.

Be fixedly connected through convergence set 26 between the hollow car body 10 of the utility model device as depicted in figs. 1 and 2 and the pull bar 25, described convergence set 26 structures are stepped; Tool rest 3, upper left roller 8, upper right roller 12, annular cushion block 40, ring baffle 6, annular backup pad 7, connecting rod (34), piston 17, piston rod 31 are installed on the car body 10; Wherein said tool rest 3 is fixed on the car body 10 through screw 1, and described cutter 4 is fixed on the tool rest 3 through screw rod 2; Described car body 10 be hollow and have left chamber 36 and 28, two chambeies, right chamber to link to each other with piston rod through hole 29 by passage 30; Be equipped with piston 16, spring 14, buffering ring 13 in the described right chamber 28, described buffering ring 13 is adjacent in the left end in right chamber 28 with spring 14, and the external diameter of described spring 14 equates with the internal diameter of buffering ring 13; Spring 14 is in the raw the time; Piston 16 is positioned at the right-hand member in right chamber, and lower roll is in contraction state, and sealing ring 15 and piston rod 31 are installed on the described piston 16; Two connecting rods 34 about described piston rod 31 connects; Described two connecting rod 34 1 ends are equipped with left lower roll 37 and bottom right roller 33 respectively, and the other end has chute 50 and is slidingly connected with connecting rod, and two connecting rod 34 middle parts are connected to car body 10 through pin; Described left through hole 9 is positioned at 36 centre positions, left chamber with right through hole 11 near left chamber 36 right-hand members, described left lower through-hole 35 and bottom right through hole 32, and described upper left roller 8, upper right roller 12, left lower roll 37, bottom right roller 33 are positioned on respectively in left through hole 9, right through hole 11, left lower through-hole 35, the bottom right through hole 32; Described annular cover 19 all is sleeved on the pull bar 25 with annular cover 24, plays the effect of lifting, and angular adjustment cover 23 is fixing with the welding of pull bar 25 outer walls, and is used with arc-shaped scale 21.

Pull bar 25 as depicted in figs. 1 and 2 is to be threaded with convergence set 26 connected modes, because the friction of impedor and steel pipe inwall is bigger, impedor needs often to change, and only need turn on screw thread during replacing, promptly conveniently replaced impedor.

Left through hole 9 as shown in Figure 1, right through hole 11, left lower through-hole 35, bottom right through hole 32 are the rectangle slotted eye.

Masterpiece on the piston rod 31 of side-to-side movement as shown in Figure 1 is used for connecting rod, uses the purpose that lever principle realizes that two lower rolls freely stretch simultaneously.

Fall on tool rest 3 next doors as shown in Figure 1 have cinder hole 5 with under fall cinder hole 38, smear metal falls into cinder hole, and removes with steel pipe.

Be fastened on the dial 21 through hand screw 22 like Fig. 1, Fig. 2 and angular adjustment cover shown in Figure 3 23, through manual adjustments angular adjustment cover 23 and hand screw 22, can accurate adjusting angle.

Be the sealing welding between car body 10 as depicted in figs. 1 and 2 and convergence set 26, pull bar 25 and angular adjustment cover 23, force pipe 18 and convergence set 26, square steel 20 and the annular cover 24.

As shown in Figure 2 is high-frequency welding places of outer wall of steel pipe apart from about impedor 49 left end 5-10mm.

Cutter 4 as shown in Figure 4 is carbide alloy arc scrapers.

The radius R of roller as shown in Figure 5 and steel pipe inside radius equal and opposite in direction, shape becomes the H type, and roller is steady at walking in pipe, and weld seam or residue pass through from groove, can avoid card roller phenomenon.

The course of work of the utility model is introduced as follows:

When needs are produced the straight weld steel pipe, need to choose online burr remover and the arc cutter 4 that is complementary according to the pipe diameter that will produce.Manual work is stretched into pull bar 25 in the annular cover 24 from right to left, passes ring block 19, then always; Annular retaining ring 43 is packed in the pull bar outer wall groove, fixing with pull bar 25, put into impedor 41 then; Connect cooling water pipe 42, force pipe 18 is inserted in the pull bar 10 by the right output port of pull bar 10, extend on the convergence set through hole 27 and with convergence set 26 sealing welding; Force pipe 18 is a copper pipe, tightens pull bar 25 and convergence set 26 fixing again.Can regulate the upper-lower position of interior burr device for excising in pipe through four slide blocks 48 on the adjustment frame 46 and adjustment screw rod 47.Angular adjustment cover 23 is fastened on the dial 21 through hand screw 22, through manual adjustments angular adjustment cover 23 and hand screw 22, the i.e. angle of scalable car body; When the bit alignment weld seam, after accurately reserve the position, the welded pipe product line start; 41 pairs of steel pipe 43 magnetic conductions of impedor, the eddy current heat concentrates near the pipe weld edge, makes the pipe edge be heated to welding temperature; In water pipe 42 and force pipe 18, feed cooling water and compressed air respectively, cooling water gets into impedors 41 through water pipe 42, to impedor 42 coolings; Simultaneously compressed air gets into through force pipe and promotes piston 16 in the right chamber 28 and turn left with piston rod 31; Masterpiece on the piston rod 31 of motion is used for connecting rod 34, uses lever principle and realizes that two lower rolls freely stretch out simultaneously, and this moment, cutter 4 contacted with weld seam.During work, the relative ground of the utility model device is static, and the cutter and the interior vertical masonry joint of steel pipe that are fastened on the car body are done relative motion, thus burr in the excision, and smear metal falls into steel pipe from falling cinder hole up and down, and removes with steel pipe.In service, scrape inclined to one side phenomenon if cutter occurs in the work, should in time adjust angular adjustment cover 23 and hand screw 22, the angle of levelling car body and cutter; If interior burr is scraped deeply, suitably reduce compressed-air actuated pressure, otherwise, suitably increase pressure; Change impedor if desired, only need turn on screw thread, promptly conveniently replaced impedor.

Claims

A straight weld steel pipe online in the burr device for excising; It is characterized in that: be connected through convergence set (26) between hollow car body (10) and the pull bar (25); Described pull bar (25) is to be threaded with convergence set (26) connected mode, and described convergence set (26) is stepped; Tool rest (3), upper left roller (8), upper right roller (12), annular cushion block (40), ring baffle (6), annular backup pad (7), connecting rod (34), piston (17), piston rod (31) are installed on the car body (10); Wherein said tool rest (3) is fixed on the car body (10) through screw (1), and described cutter (4) is fixed on the tool rest (3) through screw rod (2), and described cutter (4) is a carbide alloy arc scraper; Described pull bar (25) is a hollow, and left chamber (36) and right chamber (28) are arranged, and two chambeies are communicated by passage (30) and piston rod through hole (29); Piston (16), spring (14), buffering ring (13) are arranged in the described right chamber (28); Described buffering ring (13) and spring (14) are adjacent in the left end of right chamber (28); The external diameter of described spring (14) equates with the internal diameter of buffering ring (13); Sealing ring (15) and piston rod (31) are installed on the described piston (16), and two connecting rods (34) about described piston rod (31) connects, described two connecting rods (34) one ends are connected with bottom right roller (33) pin with left lower roll (37) respectively; The other end has chute (50) and is slidingly connected with piston rod (31), and two connecting rods (34) middle part is connected to car body (10) through pin; Described left through hole (9) and right through hole (11) are positioned at centre position, left chamber (36) near left chamber (36) right-hand member, described left lower through-hole (35) and bottom right through hole (32), and described upper left roller (8), upper right roller (12), left lower roll (37), bottom right roller (33) are positioned on respectively in left through hole (9), right through hole (11), left lower through-hole (35), the bottom right through hole (32); Described annular cover (19) and annular cover (24) all are sleeved on the pull bar (25), play the effect of lifting, and angular adjustment cover (23) is fixing with the welding of pull bar (25) outer wall, and are used with arc-shaped scale (21); Said force pipe (18) is inserted in the pull bar (10) by the right output port of pull bar (10), extend on the convergence set through hole (27) and with convergence set (26) sealing and fixing.
2. device according to claim 1; It is characterized in that: be set with impedor (41) and cooling water pipe (42) on the described pull bar (25); Described impedor left end nestles up convergence set (26), and right-hand member nestles up back-up ring (43), and described back-up ring (43) is fixed in pull bar (25) the outer wall groove.
3. according to the device of claim 1, it is characterized in that: described left through hole (9), right through hole (11), left lower through-hole (35), bottom right through hole (32) are the grooved hole, fall on said tool rest (3) next door has cinder hole (5) and under fall cinder hole (38), pass is a manhole.
4. according to each described device of claim 1-2, it is characterized in that: the masterpiece on the piston rod of described side-to-side movement (31) is used for connecting rod, uses the purpose that lever principle realizes that two lower rolls freely stretch simultaneously.
5. according to each described device of claim 1-2, it is characterized in that: be the sealing welding between said car body (10) and convergence set (26), pull bar (25) and angular adjustment cover (23), force pipe (18) and convergence set (26), square steel (20) and the annular cover (24).
6. device according to claim 1 is characterized in that: described spring (14) is in the raw the time, and piston (16) is still in the right-hand member of right chamber (28), and lower roll is in contraction state.
7. device according to claim 1 is characterized in that: described angular adjustment cover (23) is fastened on the dial (21) through hand screw (22), through manual adjustments angular adjustment cover (23) and hand screw (22), i.e. adjustable-angle.
8. according to the device of claim 1, it is characterized in that: said impedor (41) right-hand member 5-10mm place is the high-frequency welding place of outer wall of steel pipe.
9. according to the device of claim 1, it is characterized in that: described upper left roller (8), upper right roller (12), left lower roll (37), bottom right roller (33) are the equal-sized H forming roll of radius R and steel pipe inside radius.