CN214054345U

CN214054345U - Steel band is to first device

Info

Publication number: CN214054345U
Application number: CN202022393757.5U
Authority: CN
Inventors: 史其卜
Original assignee: TIANJIN YOUYONG STEEL PIPE CO Ltd
Current assignee: TIANJIN YOUYONG STEEL PIPE CO Ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-08-27
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a steel band is to first device relates to steel pipe machining equipment technical field, including the workstation, be equipped with feed mechanism, cut off mechanism and welding mechanism around on the workstation in proper order, be provided with trimming mechanism between feed mechanism and the cut off mechanism, trimming mechanism includes two cutters that the symmetry set up on the workstation width direction. The utility model discloses can accomplish the side cut of steel band in step, cut and welding process, avoid the removal of steel band between different equipment and load and unload repeatedly, improve work efficiency.

Description

Steel band is to first device

Technical Field

The utility model relates to a steel pipe machining equipment technical field especially relates to a steel band is to first device.

Background

In the process of steel pipe processing, in order to ensure the continuity of the steel pipe manufacturing process and improve the efficiency, two continuous coils of steel strips need to be welded in opposite directions.

The utility model discloses a current utility model that authorizes bulletin number is CN206779737U discloses a steel band butt welding splicing apparatus, including base and box, through the welding of two steel bands of cylinder driven bonding tool completion of installing on the box, fix the steel band on the base through the briquetting, the both sides of steel band are equipped with the stopper on the base.

By adopting the technical scheme, the welding of the two steel strips can be efficiently completed, but because the width of each steel strip raw material is not completely the same and the section is not smooth, the steel strips are required to be cut off and trimmed by other devices before being welded, then the welding device is utilized for welding, and the steel strips are required to be moved and assembled and disassembled on different devices for many times, so that the overall working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel band is to first device sets gradually steel band trimming mechanism, truncation mechanism and welding mechanism on same workstation, and the steel band accomplishes the cutting edge in step on the workstation, cuts and welding processes, avoids removing the steel band many times, improves work efficiency.

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

the utility model provides a steel band is to first device, includes the workstation, is equipped with feed mechanism, truncation mechanism and welding mechanism around on the workstation in proper order, is provided with side cut mechanism between feed mechanism and the truncation mechanism, and side cut mechanism includes two cutters that the symmetry set up on the workstation width direction.

By adopting the technical scheme, a feeding mechanism, a cutting mechanism and a welding mechanism are sequentially arranged on a workbench along the feeding direction of the steel strip, a trimming mechanism is arranged between the feeding mechanism and the cutting mechanism, the trimming mechanism is used for trimming the edge of the steel strip to ensure the width of the steel strip to be consistent and the trimming to be smooth, the cutting mechanism is used for cutting the head and the tail of the steel strip to ensure the end face of the steel strip to be smooth; the steel belt which finishes trimming and cutting and the next steel belt are welded at the welding mechanism to be connected into a complete steel belt, trimming, cutting and welding of the steel belt are synchronously finished by the device, repeated installation and disassembly of the steel belt are avoided, and working efficiency is greatly improved.

The utility model discloses further set up to: the feeding mechanism comprises a support frame, a driven roller box is arranged on the support frame in a sliding mode in the vertical direction, a driven roller is arranged on the lower surface of the driven roller box in a rotating mode, and a first air cylinder for driving the driven roller to move in the vertical direction is fixed to the top of the support frame; the driving roll is arranged on the workbench in a rotating mode, and a driving motor for driving the driving roll to rotate through chain transmission is fixed to the lower surface of the workbench.

By adopting the technical scheme, the two groups of feeding mechanisms are arranged, the driving roller is driven to rotate by the driving motor through chain transmission, the driven roller and the driving roller tightly press the steel belt under the driving of the cylinder, and the stable feeding motion of the steel belt on the workbench is ensured.

The utility model discloses further set up to: be equipped with guiding mechanism on the workstation, guiding mechanism includes two sets of connection horizontal poles that set up along workstation width direction symmetry, connects the horizontal pole both ends and rotates and install the leading wheel, and workstation lower surface rotates and is provided with sun gear, workstation lower surface slide be provided with two with sun gear meshing's rack, connect horizontal pole lower surface and be provided with fixed connection the vertical connecting rod of rack upper surface, workstation lower surface is fixed with the second cylinder that drives the rack and move along workstation width direction.

By adopting the technical scheme, when the steel strip is fed, the second cylinder drives the rack to move, under the meshing action of the gear and the rack, the two connecting cross rods are synchronously close to each other, the guiding of the steel strip is completed, the edge of the steel strip in the width direction and the guide wheels on the connecting cross rods form rolling friction, the steel strip can be continuously fed conveniently, and the abrasion of the edge of the steel strip is reduced.

The utility model discloses further set up to: and guide mechanisms are arranged between the feeding mechanism and the edge cutting mechanism, between the cutting mechanism and the welding machine mechanism and behind the workbench.

Through adopting above-mentioned technical scheme, be equipped with a plurality of guiding mechanism between each mechanism, avoid the steel band to give the in-process on the workstation and take place the skew, influence welding quality.

The utility model discloses further set up to: the rear of the upper cutter on the workbench is rotatably provided with a hemming roller, the lower surface of the workbench is provided with a motor support, and two hemming motors for driving the hemming roller to rotate are symmetrically arranged on the motor support in the width direction of the workbench.

Through adopting above-mentioned technical scheme, the hemming motor drive hemming roller rotates, and the steel band rim charge that cuts through the cutter twines on the hemming roller under the traction of hemming roller, accomplishes the recovery of steel band rim charge.

The utility model discloses further set up to: two groups of grinding wheels are symmetrically arranged in the width direction of the workbench.

Through adopting above-mentioned technical scheme, set up two sets of distances and two emery wheels that the cutter interval is unanimous on the workstation, accomplish after the side cut at the steel band. The grinding wheel can be used for polishing and deburring the cut edges of the steel belt, so that the product quality is improved.

The utility model discloses further set up to: a waste material groove is formed in the rear portion of the cutting mechanism and vertically penetrates through the workbench, and a waste material treatment box is arranged under the waste material groove.

Through adopting above-mentioned technical scheme, the waste material that the steel band was cuted off advances along the workstation under the promotion of follow-up feeding steel band, falls the waste disposal incasement by the dirty tank, accomplishes the collection of waste material, avoids the waste material to pile up on the workstation, influences follow-up work.

The utility model discloses further set up to: and the front side and the rear side of the cutting mechanism and the welding mechanism are both provided with pressing mechanisms.

Through adopting above-mentioned technical scheme, both sides set up two sets of hold-down mechanism around steel band welding mechanism, compress tightly two steel bands in front and back respectively, guarantee the stability of two steel bands in welding process, improve welding quality.

The utility model discloses further set up to: the trimming mechanism comprises a trimming knife set, the trimming knife set comprises a knife set support, the knife set support comprises two trimming slide bars symmetrically arranged along the width direction of the lower surface of the workbench, one ends of the two trimming slide bars are fixed on the lower surface of the workbench, the other ends of the two trimming slide bars are fixed with a connecting block, a knife holder is slidably arranged on the trimming slide bars, the knife is fixed on the upper surface of the knife holder, and a driving mechanism for driving the knife holder to slide along the trimming slide bars is arranged on the workbench.

Through adopting above-mentioned technical scheme, two blade holders and two side cut slide bars cooperation of sliding through drive arrangement drive two blade holders that slide and set up on two side cut slide bars along the motion of side cut slide bar, drive two cutters that are fixed in the blade holder upper surface and be close to in step and keep away from, are convenient for to the side cut of the steel band of different width, enlarge the device's application scope.

The utility model discloses further set up to: actuating mechanism includes the screw rod, and the vertical rotation of screw rod sets up on the connecting block, the slide bar that is equipped with is worn to screw thread on the screw rod, and the slide bar axial is on a parallel with workstation width direction, and the slide bar slides the cooperation with two blade holders, and the connecting block lower surface rotates and is provided with the rotation handle, rotates handle and the coaxial fixed of screw rod.

Through adopting above-mentioned technical scheme, handle and screw rod coaxial fixed, through rotating the vertical up-and-down motion of slide bar that the handle drove the screw thread to wear to establish on the screw rod, realize the motion of blade holder and cutter, easy and simple to handle, the precision is higher.

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

(1) the edge cutting mechanism, the cutting mechanism and the welding machine mechanism are arranged on the workbench at the front and the back at one time, so that the edge cutting, the cutting and the welding work of the steel belt are synchronously completed, the movement of the steel belt between different devices and the repeated installation and the disassembly of the steel belt are avoided, and the working efficiency is greatly improved.

(2) Through setting up multiunit feed mechanism, guiding mechanism and hold-down mechanism, avoid the steel band to give the in-process on the workstation and take place to squint and rock, guarantee the level and smooth of steel band cross-section, improve welding quality.

(3) Through setting up waste material groove and waste material treatment box, make the waste material that blocks realize the automatic processing of discharging under the promotion of steel band, avoid the waste material to pile up on the workstation and influence follow-up work, improve work efficiency.

(4) The steel strip edge material is wound and recovered by arranging the coil material roller, so that the waste of raw materials is reduced.

Drawings

FIG. 1 is an isometric view of the overall construction of the present embodiment;

FIG. 2 is a top view of the present embodiment, mainly illustrating the position relationship between the chute and the mechanisms;

FIG. 3 is a cross-sectional view taken along the line A-A in FIG. 2, and is primarily intended to reveal the construction of the sun gear, feed mechanism and hold-down mechanism;

fig. 4 is a partial sectional view of the trimming edge along the direction B-B in fig. 2, which is mainly used for showing the structure and the position relationship of the trimming knife set.

Reference numerals: 1. a work table; 11. a guide groove; 12. a grinding wheel; 13. a cut-off groove; 14. a waste treatment tank; 15. A waste chute, 16 and a cutter groove; 2. a feed mechanism; 21. a support frame; 22. a drive roll; 23. a drive motor; 24. a driven roll box; 25. a first cylinder, 26, a driven roller; 3. a guide mechanism; 31. a sun gear; 32. a rack; 33. a vertical connecting rod; 34. connecting the cross bars; 35. a guide wheel; 36. a second cylinder; 4. a trimming mechanism; 41. a trimming knife group; 411. A cutter slide bar; 412. connecting blocks; 413. a screw; 414. a fixed block; 415. rotating the handle; 416. a slide bar; 417. A tool apron; 418. a cutter; 42. a guide block; 43. a hemming roller; 44. a motor bracket; 45. a crimping motor; 5. a cutting mechanism; 51. a tool holder; 52. a third cylinder; 53. a guillotine; 6. a hold-down mechanism; 61. compressing the bracket; 62. a fourth cylinder; 63. a compression roller box; 64. a compression roller; 7. a welding mechanism; 71. a weld head drive; 72. a welding head; 73. and (6) welding the bracket.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to the attached figure 1, the steel belt end aligning device comprises a workbench 1, one end, defined as the end of a steel belt entering the workbench 1 of the steel belt end aligning device, of the workbench 1 is the front end of the workbench 1, a feeding mechanism 2 enabling the steel belt to move along the length direction of the workbench 1 is arranged at the front end of the workbench 1, a trimming mechanism 4, a cutting mechanism 5 and a welding mechanism 7 are sequentially arranged in the front and back direction of the workbench 1, trimming is completed at the trimming mechanism 4 in the steel belt feeding process, and the consistency of the width of the steel belt is guaranteed; when the steel strip passes through the cutting mechanism 5, the cutting mechanism 5 finishes the cutting of the steel strip, so that the section of the steel strip is kept flat; the steel strip is continuously fed, and the welding of the tail section of one steel strip and the head section of the next steel strip is completed at the welding mechanism 7.

With reference to fig. 2 and fig. 3, the feeding mechanism 2 includes a support frame 21 and driving rollers 22, the support frame 21 is fixed on the worktable 1 in a shape of a Chinese character 'men', the support frame 21 extends along the length direction of the worktable, the worktable 1 is rotatably provided with three driving rollers 22, the driving rollers 22 are uniformly arranged at intervals along the length direction of the worktable 1, and the axial direction of the driving rollers is parallel to the width direction of the worktable; the driving rollers 22 are driven by chains, a driving motor is fixedly arranged on the lower surface of the workbench 1, and the driving rollers 22 are driven by the driving motor 23 to rotate through chain transmission; a support frame 21 is arranged on the upper surface of the workbench 1, a first air cylinder 25 is fixed at the top of the support frame 21, a driven roller box 24 is arranged on the support frame 21 in a sliding manner, and two driven rollers 26 are rotatably arranged in the driven roller box 24; the end part of a piston rod of the first cylinder 25 is fixedly connected with the upper surface of the driven roller box 24, when a steel strip enters the workbench 1, the first cylinder 25 drives the driven roller box 24 to vertically move downwards, so that the driven roller 26 and the driving roller 22 clamp the steel strip, and the driving motor 23 drives the driving roller 22 to rotate to drive the steel strip to feed to the rear of the workbench 1.

With reference to fig. 2, 3 groups of guide mechanisms 3 are arranged on the workbench 1 at intervals, each guide mechanism 3 comprises two groups of connecting cross rods 34 symmetrically arranged along the width direction of the workbench 1, guide wheels are rotatably arranged at two ends of each connecting cross rod 34, and vertical connecting rods 33 are fixed on the lower surfaces of the connecting cross rods 34; two guide ways 11 are vertically penetrated and arranged on the workbench 1, the central gear 31 is rotatably arranged on the lower surface of the workbench 1, two racks 32 meshed with the central gear 31 are arranged on the lower surface of the workbench 1 in a sliding manner, the racks 32 extend along the width direction of the workbench 1, and the vertical connecting rod 33 penetrates through the guide ways 11 and is fixedly connected with the upper surfaces of the racks 32. When the guide mechanism 3 works, the second cylinder 36 drives the rack 32 to move along the width direction of the workbench, and under the action of gear engagement, the two connecting cross rods 34 fixedly arranged on the rack 32 relatively move at the same speed to clamp the steel strip in the width direction, so that the steel strip is guided.

Referring to fig. 1 and 4, the trimming mechanism 4 includes a trimming knife group 41, the trimming knife group 41 includes a knife group bracket, the knife group bracket includes two trimming slide bars 411, the two trimming slide bars 411 are symmetrically arranged on the lower surface of the workbench 1 along the width direction of the workbench 1, one end of each of the two trimming slide bars 411 is fixed on the lower surface of the workbench 1, and the other end is fixed with a connecting block 412; a tool apron 417 is arranged on each of the two trimming sliding rods in a sliding manner, and a cutter 418 is fixedly arranged on the upper surface of the tool apron 417; the upper surface of the workbench is symmetrically provided with cutter grooves 16 in the width direction, the cutter grooves 16 vertically penetrate through the workbench 1, and the two cutters 418 respectively penetrate through the corresponding cutter grooves 16 and reach the upper surface of the workbench 1; the cutter mechanism 41 comprises a driving mechanism, the driving mechanism comprises a screw 413 vertically and rotatably arranged on the connecting block 412, the upper end of the screw 413 is abutted against the lower surface of the workbench 1, and a fixing block 414 is fixed at the abutting position; a sliding rod 416 is arranged in the middle of the screw 413 in a threaded manner, the axial direction of the sliding rod 416 is parallel to the width direction of the workbench 1, and the sliding rod 416 is in sliding fit with the two tool holders 417; a rotating handle 415 is rotatably arranged on the lower surface of the connecting block 412, and the rotating handle 415 is coaxially fixed with the screw 413; the handle 415 is rotated in a rotating mode, the screw 413 is driven to rotate synchronously, the sliding rod 416 with threads penetrating through the screw 413 is driven to move vertically and vertically, the cutter holder matched with the sliding rod 416 and the trimming sliding rod 411 in a sliding mode is driven to move along the trimming sliding rod 411, the distance between the two cutters 418 and the height of the cutters are adjusted, and therefore trimming processing is conducted on steel belts with different widths.

Referring to the attached drawing 1, two guide blocks 42 are fixedly arranged behind the edge cutting knife group 41 on the upper surface of the workbench, two hemming rollers 43 are rotatably arranged on the guide blocks 42 along two sides of the width direction of the workbench 1, a motor support 44 is arranged on the lower surface of the workbench 1, two hemming motors 45 are symmetrically fixed on the motor support 44 along the width direction of the workbench 1, and the shafts of the hemming motors 45 vertically penetrate through the workbench 1 and are coaxially fixed with the shafts of the hemming rollers 43 through couplers; the steel strip scrap cut by the cutter 418 is guided by the guide block 42 and wound on the hemming roller 43, and the scrap is recovered. And two groups of grinding wheels 12 are arranged on the workbench 1 in a rotating manner behind the guide block 42, and the two groups of grinding wheels 12 are symmetrically arranged in the width direction of the workbench 1 and are used for grinding the steel belt trimming edge which finishes trimming and continues to feed and removing burrs.

Referring to fig. 1 and 3, a second group of feeding mechanisms 2 are arranged on the workbench 1 behind the grinding wheel 12, and the driving motors 23 of the two groups of feeding mechanisms 2 move synchronously to ensure that the steel belt is stably fed on the workbench. A pressing mechanism 6 is arranged on the workbench 1 behind the second group of feeding mechanisms 2, and with reference to fig. 3, the pressing mechanism 6 comprises a pressing support 61, a pressing roller box 63 is arranged on the pressing support 61 in a sliding manner in the vertical direction, two pressing rollers 64 are rotatably arranged on the lower surface of the pressing roller box 63, and the axial direction of the pressing roller 62 is parallel to the width direction of the workbench 1; a fourth cylinder 62 is fixed at the top of the pressing support 61, and a piston rod of the fourth cylinder 62 is fixedly connected with the upper surface of the compression roller box 63; the fourth cylinder 62 drives the press roller 64 to move in the vertical direction to complete pressing of the steel strip, and the steel strip is prevented from shaking during cutting and welding to affect welding quality.

Referring to the attached drawings 1 and 3, a cutting groove 13 penetrating through the workbench 1 is vertically formed in the upper surface of the workbench 1 behind the pressing mechanism 3, a cutting mechanism 5 is arranged above the cutting groove 13, the cutting mechanism 5 comprises a knife rest 51, a guillotine 53 is arranged on the knife rest 51 in a sliding mode in the vertical direction, a third air cylinder 52 is fixed to the top of the knife rest 51, a piston rod of the third air cylinder 52 is fixedly connected with the guillotine 53, and the guillotine 53 is driven by the third air cylinder 53 to move in the vertical direction to cut the steel strip; the two sides of the cutting mechanism 5 along the steel strip feeding direction are provided with the pressing mechanisms 6, and the two groups of pressing mechanisms 6 synchronously move to press the steel strip, so that the stability of the steel strip when being cut is ensured. Vertical waste tank 15 that runs through workstation 1 is seted up to the 6 backs of the hold-down mechanism of second group, under 15 of waste tank, 1 bottoms of workstation are provided with waste disposal case 14, and the waste material after the steel band cuts falls waste disposal case 14 in through waste tank 15 under the promotion of the steel band that feeds, avoids influencing subsequent weldment work.

The welding mechanism 7 is arranged on the workbench 1 behind the waste chute 15, the welding mechanism 7 comprises a welding support 73, a welding head driving device 72 is arranged on the welding support 73 in a sliding mode in the vertical direction, a welding head 71 is arranged on one side wall of the welding head driving device 72 in the steel strip feeding direction in a sliding mode, the welding head driving device 72 drives the welding head 71 to move in the width direction of the workbench, and the tail section of one steel strip and the head section of the next steel strip are welded. Two sides of the welding mechanism 7 along the steel strip feeding direction are provided with a group of pressing mechanisms 6 for pressing two steel strips to be welded, so that the stability of the welding process is ensured; and a third group of guide mechanisms 3 are arranged behind the welding mechanism 7 of the workbench 1.

The working principle of the embodiment is as follows: when the steel belt is on the workbench 1, the steel belt is driven to perform feeding motion to the rear part of the workbench 1 under the matching action of the driving roller 22 and the driven roller 26 of the feeding mechanism 2, the stability of the feeding direction of the steel belt is ensured under the action of a plurality of groups of guide mechanisms 3, when the steel belt reaches the edge cutting mechanism 4, the distance between the two cutters 418 is adjusted by the two edge cutting cutter groups 41, the edge cutting of the steel belt is completed, and the rim charge is wound on the edge rolling roller 43 under the action of the edge rolling roller 43, so that the recovery of the rim charge is completed; after trimming of the steel belt is finished, grinding is carried out through a grinding wheel 12 arranged on the workbench 1 in a rotating mode, and burrs are removed; when the steel strip is fed to the cutting mechanism 5, the front and rear groups of pressing mechanisms 6 of the cutting mechanism 5 press the steel strip in the vertical direction, the third cylinder 52 drives the hand hay cutter 53 to vertically move downwards to cut the steel strip, and cut waste materials fall into the waste material treatment box 14 from the waste material groove 15 under the push of subsequent feeding steel strips, so that the waste materials are prevented from being accumulated on the workbench 1; when welding, the front and the rear steel belts are respectively pressed by a group of pressing mechanisms 6, the stability of the steel belts during welding is ensured, and the welding head 72 is driven by the welding head driving device 71 to complete the welding of the tail fracture of the previous steel belt and the head fracture of the next steel belt. The utility model discloses accomplish the side cut of steel band in step, cut and weldment work, avoided the removal and the loading and unloading of steel band on different equipment, accomplished the recovery processing of rim charge and waste material simultaneously, improve work efficiency greatly.

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 steel band is to first device, includes workstation (1), workstation (1) is gone up the front and back and is equipped with feed mechanism (2), cut-off mechanism (5) and welding mechanism (7) in proper order, its characterized in that: be provided with between feed mechanism (2) and cut-off mechanism (5) trimming mechanism (4), trimming mechanism (4) include two cutters (418) that are in workstation (1) width direction is last the symmetry to be set up.

2. A steel strip butt-joint device according to claim 1, characterized in that: the feeding mechanism (2) comprises a supporting frame (21), a driven roller box (24) is arranged on the supporting frame (21) in a sliding mode in the vertical direction, two driven rollers (26) are arranged on the lower surface of the driven roller box (24) in a rotating mode, and a first air cylinder (25) for driving the driven rollers (26) to move in the vertical direction is fixed to the top of the supporting frame (21); the rotary driving device is characterized in that a driving roller (22) is arranged on the workbench (1) in a rotating mode, and a driving motor (23) which drives the driving roller (22) to rotate through chain transmission is fixed on the lower surface of the workbench (1).

3. A steel strip butt-joint device according to claim 1, characterized in that: be equipped with guiding mechanism (3) on workstation (1), guiding mechanism (3) include two sets of edges workstation (1) width direction symmetry sets up connect horizontal pole (34), connect horizontal pole (34) both ends to rotate and install leading wheel (35), workstation (1) lower surface rotation is provided with sun gear (31), workstation (1) lower surface slide be provided with two with rack (32) of sun gear (31) meshing, it is provided with fixed connection to connect horizontal pole (34) lower surface rack (32) upper surface vertical connecting rod (33), workstation lower fixed surface has the drive rack (32) are followed workstation (1) width direction motion's second cylinder (36).

4. A steel strip butt-joint device according to claim 3, characterized in that: the guiding mechanisms (3) are arranged between the feeding mechanism (2) and the trimming mechanism (4), between the cutting mechanism (5) and the welding mechanism (7) and behind the workbench (1).

5. A steel strip butt-joint device according to claim 4, characterized in that: the automatic edge rolling machine is characterized in that an edge rolling roller (43) is arranged on the workbench (1) in a rotating mode behind the cutting knife (418), a motor support (44) is arranged on the lower surface of the workbench, and two edge rolling motors (45) for driving the edge rolling roller (43) to rotate are fixed on the motor support (44).

6. A steel strip butt-joint device according to claim 1, characterized in that: two groups of grinding wheels (12) are symmetrically arranged in the width direction of the workbench (1).

7. A steel strip butt-joint device according to claim 6, characterized in that: a waste material groove (15) is formed in the rear portion of the cutoff mechanism (5), the waste material groove (15) vertically penetrates through the workbench (1), and a waste material treatment box (14) is arranged under the waste material groove (15).

8. A steel strip butt-joint device according to claim 4, characterized in that: and the front side and the rear side of the cutting mechanism (5) and the welding mechanism (7) are provided with pressing mechanisms (6).

9. A steel strip butt-joint device according to claim 1, characterized in that: edge cutting mechanism (4) are including side cut knife tackle (41), side cut knife tackle (41) are including the knife tackle support, the knife tackle support includes the edge two side cut slide bar (411) that workstation (1) lower surface width direction symmetry set up, two side cut slide bar (411) one end is fixed in workstation (1) lower surface, two side cut slide bar other end is fixed with connecting block (412), it is provided with blade holder (417) to slide on side cut slide bar (411), cutter (418) are fixed in blade holder (417) upper surface, it is provided with the drive to rotate on workstation (1) blade holder (417) are followed the actuating mechanism that side cut slide bar (411) slided.

10. A steel strip butt-joint device according to claim 9, characterized in that: actuating mechanism includes screw rod (413), screw rod (413) vertical rotation sets up on connecting block (412), screw rod (413) are gone up the screw thread and are worn to be equipped with slide bar (416), slide bar (416) axial direction is on a parallel with workstation (1) width direction, slide bar (416) and two blade holder (417) sliding fit, connecting block (412) lower surface rotates and is provided with rotation handle (415), rotate handle (415) with screw rod (413) coaxial fixed.