CN212734748U

CN212734748U - Butt welding device for strip steel

Info

Publication number: CN212734748U
Application number: CN202021497019.9U
Authority: CN
Inventors: 孙立梅
Original assignee: Tianjin Xinrunzetong Steel Co ltd
Current assignee: Tianjin Xinrunzetong Steel Co ltd
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-03-19
Anticipated expiration: 2030-07-25

Abstract

The utility model discloses a butt welding device of belted steel relates to spiral pipe processing equipment technical field, including the frame, frame length direction both sides constitute the feeding side and the ejection of compact side of steel band respectively, are fixed with two in the frame along the welding bench of frame length direction interval setting, two to being equipped with along the gliding workstation of frame width direction between the welding bench, be equipped with the drive assembly who is used for driving the workstation and removes in the frame, be equipped with the lift piece that the up-and-down motion set up the lift seat on the workstation and be used for driving the lift seat to go up and down on the workstation, the lift seat bottom is erect and is equipped with bonding tool and the hammering seat that sets up along the width direction interval of frame, is equipped with in the frame to be used for driving hammering seat up-and down motion. The utility model provides a reduce the influence of internal stress to steel band connecting portion, improve the butt welding device of belted steel of spiral pipe shaping effect.

Description

Butt welding device for strip steel

Technical Field

The utility model relates to a spiral pipe processing equipment technical field especially relates to a butt welding device of belted steel.

Background

The steel belt is stored in a steel coil form, and is continuously pulled out of the steel coil through continuous unwinding and enters a processing device for processing.

At present, in the production process of the spiral pipe, because the production line of the spiral pipe needs continuous work, and the steel strip obtained by uncoiling the steel coil is not continuous, the head and the tail of two adjacent coils of steel strips need to be welded manually, so that the requirement of the production line is met, and the waste of materials is avoided. However, the manual welding mode has low welding efficiency and high labor intensity. Meanwhile, the internal stress generated in the weldment during the welding process and the change in the shape and size of the weldment, which may be caused by the welding heat process, may affect the function and shape of the weldment during the forming process of the spiral pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a butt welding device of belted steel realizes the butt welding work of two rolls of steel bands around through portable bonding tool, strikes welding department through the hammering seat of up-and-down motion, and welding seam department obtains vibrating the effect that reaches elimination welding residual stress, improves the welding effect, improves the shaping effect of spiral pipe.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a butt welding device of belted steel, includes the frame, frame length direction both sides constitute the feeding side and the ejection of compact side of steel band respectively, be fixed with two in the frame along the frame length direction interval set up to the welding stage, two to being equipped with between the welding stage along the gliding workstation of frame width direction, be equipped with the drive assembly who is used for driving the workstation and removes in the frame, be equipped with the up-and-down motion on the workstation and set up the lift piece that the lift seat goes up and down and be used for driving the lift seat on the workstation, the lift seat bottom frame is equipped with bonding tool and the hammering seat that sets up along the width direction interval of frame, be equipped with in the frame and be used for driving hammering seat up-and-down reciprocating motion.

By adopting the technical scheme, when the steel strips need to be welded, the two groups of steel strips are placed on the rack, the lifting piece drives the lifting seat to move downwards so that the welding head is contacted with a welding seam to be welded, the driving assembly drives the workbench to move so as to drive the welding head to synchronously move, and the welding head completes the welding work of the welding positions of the two groups of steel strips in the moving process. In the process, the striking assembly drives the hammering seat to reciprocate up and down, and strikes and vibrates the welded seam. By the mode, the labor cost is saved, the working efficiency is improved, the residual internal stress at the welding seam is eliminated, and the forming quality of the spiral pipe is ensured.

The utility model discloses further set up to: the striking assembly comprises an extension spring fixedly arranged at the bottom of the lifting seat, a threaded toothed bar is fixedly arranged at the bottom of the extension spring, and the hammering seat is fixedly arranged at the bottom of the threaded toothed bar; the lifting seat is further rotatably provided with a rotating disc, a plurality of groups of rotating teeth meshed with the threaded toothed bars are formed on the periphery of the rotating disc, and a rotating assembly used for driving the rotating disc to rotate is arranged on the rack.

Through adopting above-mentioned technical scheme, the rotation of runner assembly drive rolling disc drives the synchronous rotation of rotating the tooth, and when rotating tooth and screw thread tooth pole meshing, drive screw thread tooth pole upward movement, when not rotating tooth and screw thread tooth pole meshing, screw thread tooth pole downstream realizes the up-and-down motion of hammering seat, reaches the vibration effect to welding seam department.

The utility model discloses further set up to: the rotating assembly comprises a rotating frame fixedly arranged on the rack and a driving rack fixedly arranged on the rotating frame, the driving rack extends along the width direction of the rack, a driving gear is meshed on the driving rack, and a telescopic gear shaft is coaxially fixed between the driving gear and the rotating disc.

By adopting the technical scheme, the driving assembly drives the workbench to move to drive the driving gear to synchronously move, and the driving gear drives the rotating disc to synchronously rotate under the action of the driving rack.

The utility model discloses further set up to: the driving assemblies are provided with two groups, and the two driving assemblies are respectively arranged on the two pairs of welding tables.

Through adopting above-mentioned technical scheme, two sets of drive assembly are used for driving the workstation respectively along frame length direction's both sides, guarantee the stability of workstation removal in-process.

The utility model discloses further set up to: the driving assembly comprises a driving motor fixedly arranged on the butt welding table and a driving screw rod coaxially fixed with an output shaft of the driving motor, and the driving screw rod is horizontally and rotatably erected on the butt welding table and penetrates through the butt welding table along the sliding direction of the workbench.

By adopting the technical scheme, the rotation of the output shaft of the driving motor drives the synchronous rotation of the driving screw rod, and the driving screw rod drives the workbench to reciprocate.

The utility model discloses further set up to: the workbench is provided with a correction seat which is arranged on the workbench in a sliding manner along the length direction of the rack, the workbench is fixedly provided with a correction cylinder, and a piston rod of the correction cylinder is fixedly connected with the correction seat; the lifting seat frame is arranged at the bottom of the correcting seat.

By adopting the technical scheme, the telescopic driving of the piston rod of the correction cylinder drives the correction seat to reciprocate up and down, and the correction seat drives the welding head to move synchronously, so that the welding head is ensured not to influence the feeding of a steel belt when not in operation.

The utility model discloses further set up to: the rack is characterized in that limiting devices are arranged on two sides of the length direction of the rack and comprise limiting frames fixedly arranged on the rack, and the limiting frames are horizontally and rotatably provided with lower rollers and upper rollers arranged on the upper sides of the lower rollers at intervals in parallel.

Through adopting above-mentioned technical scheme, the steel band passes the conveying from the clearance between last cylinder and the lower cylinder, guarantees that the steel band levels the entering, can not take place the jump from top to bottom, improves welded stationarity.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the welding head is driven to move downwards by the lifting piece, the driving assembly drives the workbench to reciprocate, the synchronous motion of the welding head is driven by the sliding of the workbench, and the welding head completes the welding operation on the steel strip. Meanwhile, the hammering seat is driven to reciprocate up and down by the striking assembly, and the welded welding seam is struck to vibrate. By the mode, the labor cost is saved, automatic welding is realized, and the welding efficiency is high; residual internal stress at the welding seam is eliminated, and the forming quality of the spiral pipe is ensured;

(2) the welding head is driven to synchronously move by the telescopic driving of the correcting seat of the correcting cylinder piston rod, so that the steel belts at different positions can be automatically welded, and the application range is wide;

(3) guarantee through stop device that the steel band conveys between last cylinder and lower cylinder, guarantee the level material loading of steel band, make things convenient for welding jobs, improve steel band welded yield, reinforcing welded stability.

Drawings

FIG. 1 is a schematic view of an embodiment of the present invention taken along a shaft;

fig. 2 is an axial view of an embodiment of the present invention, which is mainly used for showing the striking assembly.

Reference numerals: 1. a frame; 2. welding the welding tables; 3. a work table; 4. a drive assembly; 41. a drive motor; 42. driving the screw rod; 5. a lifting seat; 6. a welding head; 7. a hammering seat; 8. a striking assembly; 81. a threaded rack bar; 82. an extension spring; 83. rotating the frame; 84. rotating the disc; 85. rotating the teeth; 9. a limiting device; 91. a limiting frame; 92. an upper roller; 93. a lower roller; 10. a correction seat; 11. a correction cylinder; 12. a lifting cylinder; 13. a rotating assembly; 131. a rotating frame; 132. a drive rack; 133. a telescopic gear shaft; 134. the gears are driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments.

Referring to the attached figure 1, the butt welding device for the strip steel comprises a frame 1, wherein the two sides of the frame 1 in the length direction respectively form a feeding side and a discharging side of the strip steel. The middle position of the rack 1 is fixed with two butt welding platforms 2, and the two butt welding platforms 2 are arranged at intervals along the length direction of the rack 1. Be equipped with workstation 3 between two pairs of welding stations 2, the spout that workstation 3 extends through 1 width direction along the frame slides and sets up on two pairs of welding stations 2, all is equipped with the drive assembly 4 that is used for driving 3 removals of workstation on two pairs of welding stations 2. The lifting seat 5 and a lifting piece used for driving the lifting seat 5 to move are arranged on the workbench 3, the welding heads 6 and the hammering seats 7 are arranged at the bottom of the lifting seat 5 along the width direction of the rack 1 at intervals, and the striking assembly 8 used for driving the hammering seats 7 to move up and down is arranged on the rack 1. The sides of the two pairs of welding tables 2 which are deviated from each other are provided with limiting devices 9; in the work, the limiting device 9 is used for limiting the position of the steel strip, the lifting piece drives the welding head 6 to move downwards, the driving assembly 4 drives the workbench 3 to move so as to achieve synchronous movement of the welding head 6 and the hammering seat 7, and the welding head 6 completes welding work in the moving process. The striking assembly 8 drives the hammering seat 7 to reciprocate to eliminate internal stress at the welding seam.

The driving assembly 4 comprises a driving motor 41 and a driving screw rod 42 connected with the driving motor 41, wherein the driving motor 41 is detachably fixed on the butt welding table 2 through bolts. The driving screw rod 42 is horizontally and rotatably erected on the butt welding table 2 through a bearing seat, and one end of the driving screw rod is coaxially fixed with an output shaft of the driving motor 41 through a coupler. Meanwhile, the driving screw rod 42 is threaded through the workbench 3 along the moving direction of the workbench 3; therefore, the driving motor 41 drives the driving screw rod 42 to rotate, and the driving screw rod 42 drives the workbench 3 to reciprocate.

Referring to fig. 1, the worktable 3 is provided with a calibration base 10, and the calibration base 10 is slidably disposed on the worktable 3 through a sliding chute extending along the length direction of the frame 1. Be equipped with on the workstation 3 and rectify cylinder 11, rectify cylinder 11 and pass through bolt detachable to be fixed on workstation 3. A piston rod of the correction cylinder 11 is fixedly connected with the correction seat 10; therefore, the extension and contraction of the piston rod of the calibration cylinder 11 will drive the calibration base 10 to reciprocate.

The lifting seat 5 is slidably disposed on the calibration seat 10 through a sliding groove extending along the height direction of the machine frame 1. The lifting piece is a lifting cylinder 12, the lifting cylinder 12 is detachably fixed on the correcting seat 10 through a bolt, and a piston rod of the lifting cylinder is fixedly connected with the lifting seat 5; the up-and-down reciprocating motion of the lifting seat 5 is driven by the extension and contraction of the piston rod of the lifting cylinder 12.

With reference to fig. 1 and 2, the striking assembly 8 includes a threaded rack 81, the threaded rack 81 is fixedly disposed at the top of the hammering seat 7, an extension spring 82 is fixed at the top of the threaded rack 81, and one end of the extension spring 82 far away from the hammering seat 7 is fixedly connected with the lifting seat 5. A rotating frame 83 is fixed at the bottom of the lifting seat 5, a rotating disc 84 is rotatably arranged on the rotating frame 83, and a rotating assembly 13 for driving the rotating disc 84 to rotate is arranged on the machine frame 1. A plurality of groups of rotating teeth 85 are formed on the outer periphery of the rotating disc 84, the rotating teeth 85 are uniformly distributed along the circumferential direction of the rotating disc 84, and the rotating teeth 85 are meshed with the threaded toothed rod 81; the rotating assembly 13 drives the rotating disc 84 to rotate so as to drive the rotating teeth 85 to synchronously rotate, and the rotating teeth 85 are combined with the threaded toothed rod 81 in sequence to realize the up-and-down reciprocating motion of the hammering seat 7.

The rotating assembly 13 includes a rotating frame 131, and the rotating frame 131 is fixedly disposed on the frame 1. A driving rack 132 is fixed on the rotating frame 131, and the driving rack 132 extends along the width direction of the rack 1. The bottom of the lifting seat 5 is provided with a telescopic gear shaft 133, the telescopic gear shaft 133 is arranged on the lifting seat 5 through a coupling horizontal rotating frame 131, one end of the telescopic gear shaft 133 is coaxially fixed with the rotating disc 84, and one end of the telescopic gear shaft 133, which is far away from the rotating disc 84, is coaxially fixed with a driving gear 134. The drive gear 134 is engaged with the drive rack 132; in the process that the driving assembly 4 drives the lifting seat 5 to reciprocate, the driving gear 134 synchronously rotates under the action of the driving rack 132, and the rotating disc 84 is driven to synchronously rotate.

Referring to fig. 1, the position limiting device 9 includes a position limiting frame 91, and the position limiting frame 91 is fixedly disposed on the frame 1. An upper roller 92 and a lower roller 93 which are arranged in parallel up and down are horizontally erected on the limiting frame 91, the upper roller 92 and the lower roller 93 are both rotatably erected on the limiting frame 91, and a gap for a steel belt to pass through is formed between the upper roller 92 and the lower roller 93; in operation, the upper roller 92 and the lower roller 93 are matched to limit the steel belt.

The working principle of the embodiment is as follows: in the process of feeding the steel strip, the steel strip passes through the gap between the upper roller 92 and the lower roller 93, and the steel strip is ensured to enter smoothly. When two groups of front and back steel belts need to be welded, the stretching of the piston rod of the correction cylinder 11 drives the welding head 6 to move through the correction seat 10, so that the welding head 6 is positioned right above the joint of the two steel belts. The piston rod of the lifting cylinder 12 extends to drive the lifting seat 5 to move downwards to drive the welding head 6 to descend, so that the welding head 6 is in contact with the joint of the two steel belts. Then, the driving assembly 4 drives the driving screw rod 42 to rotate to drive the welding head 6 to move along the width direction of the frame 1, and the welding head 6 can automatically weld the joint of the two steel strips. In the process, the lifting seat 5 moves downwards to enable the driving gear 134 to be meshed with the driving rack 132, and the driving gear 134 rotates under the action of the driving rack 132 when the driving assembly 4 drives the workbench 3 to move. The rotating disc 84 is driven to synchronously rotate, the hammering seat 7 can reciprocate up and down, and the striking vibration to the welding seam is realized, so that the residual internal stress at the welding seam is eliminated. After welding, the piston rod of the lifting cylinder 12 contracts to drive the lifting seat 5 to move upwards, so that the welding head 6 is separated from the steel belt. By the mode, the labor cost is saved, automatic welding is realized, and the welding efficiency is high; eliminate the residual internal stress at the welding seam and ensure the forming quality of the spiral pipe.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a butt welding device of belted steel, includes frame (1), frame (1) length direction both sides constitute the feed side and the ejection of compact side of steel band respectively, its characterized in that: be fixed with two on frame (1) along frame (1) length direction interval sets up to welding stage (2), two be equipped with between welding stage (2) along frame (1) width direction gliding workstation (3), be equipped with drive assembly (4) that are used for driving workstation (3) to remove on frame (1), be equipped with on workstation (3) up-and-down motion and set up lift seat (5) on workstation (3) and be used for driving the lift piece that lift seat (5) go up and down, frame (5) bottom is equipped with bonding tool (6) and hammering seat (7) that set up along the width direction interval of frame (1), be equipped with on frame (1) and be used for driving hammering seat (7) up-and-down motion's beating subassembly (8).

2. The butt welding device for strip steel according to claim 1, wherein: the striking assembly (8) comprises an extension spring (82) fixedly arranged at the bottom of the lifting seat (5), a threaded toothed rod (81) is fixedly arranged at the bottom of the extension spring (82), and the hammering seat (7) is fixedly arranged at the bottom of the threaded toothed rod (81); the lifting seat (5) is further rotatably provided with a rotating disc (84), a plurality of groups of rotating teeth (85) meshed with the threaded toothed rod (81) are formed on the periphery of the rotating disc (84), and a rotating assembly (13) used for driving the rotating disc (84) to rotate is arranged on the rack (1).

3. The butt welding device for strip steel according to claim 2, wherein: rotating assembly (13) including fixed rotating turret (131) that set up on frame (1) and fixed drive rack (132) that set up on rotating turret (131), the width direction of frame (1) is followed in drive rack (132) extends, the meshing has drive gear (134) on drive rack (132), coaxial being fixed with flexible tooth axle (133) between drive gear (134) and rolling disc (84).

4. The butt welding device for strip steel according to claim 1, wherein: the two sets of driving assemblies (4) are arranged, and the two sets of driving assemblies (4) are respectively arranged on the two pairs of welding tables (2).

5. The butt welding device for strip steel according to claim 4, wherein: the driving assembly (4) comprises a driving motor (41) fixedly arranged on the butt welding table (2) and a driving screw rod (42) coaxially fixed with an output shaft of the driving motor (41), and the driving screw rod (42) is horizontally and rotatably erected on the butt welding table (2) and penetrates through the butt welding table (2) along the sliding direction threads of the workbench (3).

6. The butt welding device for strip steel according to claim 1, wherein: a correcting seat (10) which is arranged on the workbench (3) in a sliding manner along the length direction of the rack (1) is arranged on the workbench (3), a correcting cylinder (11) is fixed on the workbench (3), and a piston rod of the correcting cylinder (11) is fixedly connected with the correcting seat (10); the lifting seat (5) is erected at the bottom of the correcting seat (10).

7. The butt welding device for strip steel according to claim 1, wherein: frame (1) length direction's both sides all are equipped with stop device (9), stop device (9) are including fixed spacing (91) that set up in frame (1), spacing (91) are improved level and are rotated and be provided with down cylinder (93) and parallel interval and set up in last cylinder (92) of lower cylinder (93) upside.