CN109290686B

CN109290686B - Material guide device of laser welding machine

Info

Publication number: CN109290686B
Application number: CN201810938007.6A
Authority: CN
Inventors: 林潘忠
Original assignee: Wenzhou Polytechnic
Current assignee: Changzhou Hongguang Machinery Co ltd
Priority date: 2018-08-17
Filing date: 2018-08-17
Publication date: 2020-10-13
Anticipated expiration: 2038-08-17
Also published as: CN109290686A

Abstract

The invention relates to a material guide device of a laser welding machine, which comprises a welding station and a support table, wherein a material storage disc is rotatably connected to the support table, a guide rail is fixed on the support table, an adjusting mechanism for abutting against a first workpiece is arranged on the guide rail, one end of the guide rail, which is far away from the support table, is connected with a feeding rail, a support seat for supporting a second workpiece is connected to the support table, a driving mechanism for driving the second workpiece to move along the width direction of the support seat is arranged on one side of the support seat, a conveying disc is rotatably connected to the support table, a clamping steering mechanism for conveying the first workpiece and the second workpiece to the conveying disc is arranged on the support table, a reciprocating mechanism for driving the first workpiece and the second workpiece to move close to the clamping steering mechanism is slidably connected to the support table, and the clamping steering mechanism. The invention has the following advantages and effects: the new mechanical structure of this scheme utilization reaches the purpose that promotes production efficiency.

Description

Material guide device of laser welding machine

Technical Field

The invention relates to a material guide device of a laser welding machine.

Background

The laser welding machine is one of the important aspects of the application of the laser processing technology, and is widely applied to the fields of mechanical manufacturing, aerospace, automobile industry, powder metallurgy, biomedical microelectronic industry and the like due to the advantages of narrow welding line, deep penetration, parallel two sides of the welding line, small heat affected zone, small welding deformation and the like. The laser welding principle is that high-intensity laser beams are radiated to the surface of metal, and the metal absorbs the laser and converts the laser into heat energy through the interaction of the laser and the metal, so that the metal is melted and then cooled and crystallized to form welding.

As shown in fig. 1 and 2, the first workpiece is flat, the second workpiece is thin strip-shaped, and the first workpiece and the second workpiece are welded. The traditional laser welding machine adopts a feeding mode that a second workpiece is cut into a certain length, a first workpiece and the second workpiece are manually clamped on a workpiece clamp, then the workpiece clamp is manually sent to a welding station to weld the first workpiece and the second workpiece, the workpiece is sent out after welding is completed and is manually taken down, and the production efficiency is very low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the material guide device of the laser welding machine, which is used for conveying a first workpiece and a second workpiece to a welding station by arranging an adjusting mechanism, a positioning mechanism, a driving mechanism, a cutting mechanism and a reciprocating mechanism, so that the aim of improving the production efficiency is fulfilled.

In order to achieve the purpose, the invention provides the following technical scheme: a material guide device of a laser welding machine comprises a supporting table, wherein a material storage disc is rotatably connected to the supporting table, a guide track is fixed on the supporting table, an adjusting mechanism used for abutting against a first workpiece is arranged on the guide track, one end, away from the supporting table, of the guide track is connected with a feeding track, a positioning mechanism used for abutting against the first workpiece is connected to the feeding track, a supporting seat used for supporting a second workpiece is connected to the supporting table, a driving mechanism used for driving the second workpiece to move along the width direction of the supporting seat is arranged on one side of the supporting seat, a cutting mechanism used for cutting off the second workpiece is arranged on one side, facing the driving mechanism, of the supporting table, a conveying disc is rotatably connected to the supporting table, and a clamping and steering mechanism used for conveying the first workpiece and the second workpiece to the conveying disc is arranged on the supporting table, the supporting table is connected with a reciprocating mechanism used for driving the first workpiece and the second workpiece to move towards the clamping and steering mechanism in a sliding mode, the clamping and steering mechanism is arranged between the conveying disc and the reciprocating mechanism, the conveying disc is provided with a placing plate and a positioning column, a placing groove used for placing the first workpiece and the second workpiece is formed in the placing plate, the positioning column is connected to the conveying disc in a sliding mode and placed in the placing groove, and the placing plate is connected with a push plate used for abutting against the first workpiece in a sliding mode.

Through adopting above-mentioned technical scheme, during the storage tray was placed to a large amount of first work pieces, rotate along with the storage tray, transmit first work piece one by one on the guide rail, adjust the position of first work piece through guiding mechanism, then fix a position first work piece through positioning mechanism, the second work piece passes through actuating mechanism and carries to the supporting seat on, cut off the second work piece through shutdown mechanism, reciprocating mechanism removes first work piece and second work piece toward the direction that is close to centre gripping steering mechanism, centre gripping steering mechanism is sent first work piece and second work piece to the transport plate, realize welding and becoming the product to first work piece and second work piece through the welding station, push down the product from placing the board through the push pedal, the workman of being convenient for collects the product, realize the process of the material loading of first work piece and second work piece and the product ejection of compact, effectively promote production efficiency.

The invention is further configured to: guiding mechanism include spiral inner panel, spiral planking and striker plate, form the passageway that is used for first work piece to remove between spiral inner panel and spiral planking and the guide track, spiral inner panel seted up the feed back groove towards one side of storage tray, the striker plate slope be fixed in on the inner wall of feed back groove, guiding mechanism still including the feed chute that is used for first work piece whereabouts, the pay-off track be located the feed chute below, the delivery tray on be fixed with and wear to locate the support column of placing in the board, the support column on the cover be equipped with the spring, the support column on threaded connection have the adjusting collar, place board one side and conflict with the adjusting collar, the opposite side is contradicted with the support column.

Through adopting above-mentioned technical scheme, a large amount of first work pieces are rotatory along with the storage disc, edge through the effect of centrifugal force toward the storage disc removes, first work piece enters into the passageway one by one, and remove toward the direction that is close to positioning mechanism along the passageway, the first work piece that partly slope was placed or is stacked is contradicted with the striker plate, and fall into the storage disc along the feed back groove, the first work piece that another part was kept flat removes to positioning mechanism, thereby realize the screening and the adjustment to first work piece, further promote production efficiency, contain in the first work piece of keeping flat and just put and put two kinds of first work pieces that just put can fall the pay-off track through the feed chute on, the first work piece of putting conversely can't pass through the feed chute and fall back to the storage disc along the track, the manual adjustment of workman to first work piece position has been removed from, further promote production efficiency.

The invention is further configured to: positioning mechanism include first grip block, second grip block, first centre gripping groove and second centre gripping groove, first centre gripping groove set up on first grip block, second centre gripping groove set up on the second grip block, first grip block and second centre gripping groove between form the centre gripping chamber that is used for a first work piece of centre gripping, the second grip block pass through screw rod and first grip block sliding connection, the pay-off track on articulated have the baffle that is used for contradicting with first work piece, the baffle pass through elastic component and pay-off track connection, first grip block on be fixed with and be used for the push rod of contradicting with the baffle.

Through adopting above-mentioned technical scheme, first work piece is carried to the centre gripping chamber along the pay-off track to through centre gripping chamber location, through rotating the screw rod, make first with the distance between holding block and the second centre gripping block and can adjust, adapt to the first work piece of different sizes, have higher practicality.

The invention is further configured to: actuating mechanism include mount pad, telescopic link and articulate the centre gripping subassembly in both sides about the telescopic link, the centre gripping subassembly include first connecting rod, second connecting rod, third connecting rod and splint, first connecting rod one end articulated with the telescopic link, the other end is articulated with the second connecting rod, the middle part of second connecting rod is articulated with the mount pad and makes the one end of keeping away from first connecting rod articulated with splint, third connecting rod one end articulated with splint, the other end is articulated with the mount pad, second connecting rod and third connecting rod parallel arrangement, the reciprocal sliding connection of mount pad on the supporting seat.

Through adopting above-mentioned technical scheme, the telescopic link is along the axial of self toward the direction removal that is close to the second work piece, first connecting rod drives second connecting rod and third connecting rod removal, then make splint remove and contradict with the second work piece toward the direction that is close to the second work piece, through removing the direction that is close to the supporting seat with the mount pad, can promote the second work piece and remove, move toward the direction of keeping away from the second work piece when the telescopic link, splint remove and separate with the second work piece toward the direction of keeping away from the second work piece, and is easy and simple to handle.

The invention is further configured to: the cutting mechanism comprises a cutting seat, a saw blade, a driving cylinder, a positioning strip and a driving gear, wherein the saw blade is rotatably connected to the cutting seat, the cutting seat is connected with a supporting table in a sliding mode through the driving cylinder, the positioning strip is fixed to the supporting table, and the driving gear is fixedly connected with the saw blade and meshed with the positioning strip.

Through adopting above-mentioned technical scheme, cut off the seat and move towards the direction that is close to the second work piece, drive gear moves and takes place the rotation along the length direction of location strip, and the saw bit rotates along with drive gear's rotation, cuts off the second work piece along with the removal of cutting off the seat, realizes that the disposable removal that removes the seat of cutting off can cut off the second work piece, and is easy and simple to handle.

The invention is further configured to: reciprocating mechanism include rotary rod, displacement pole and slide, the rotary rod rotate and connect on a supporting bench, displacement pole one end articulated with the rotary rod, the other end is articulated with first grip block, the slide be fixed in on a supporting bench and with first grip block sliding connection.

Through adopting above-mentioned technical scheme, the rotary rod rotates, and the displacement pole takes place to remove, and the pulling or promote first grip block and remove along the length direction of slide, can make first grip block toward being close to or keeping away from the direction removal of welding station, and is easy and simple to handle.

The invention is further configured to: the clamping and steering mechanism comprises a positioning seat, a connecting seat, an upper pressing plate, a lower pressing plate, a lifting assembly and a steering assembly, wherein the positioning seat is connected to the supporting table through the steering assembly in a rotating mode, the connecting seat is connected to the positioning seat through the lifting assembly in a sliding mode, and the upper pressing plate and the lower pressing plate move reversely through a linkage assembly to clamp the first workpiece and the second workpiece.

Through adopting above-mentioned technical scheme, top board and holding down plate move through the direction that the linkage subassembly was toward being close to first work piece and second work piece, with the product centre gripping, derive the product from the centre gripping chamber through lifting unit, then remove the product to the delivery disk top through turning to the subassembly, lifting unit places the product on the delivery disk, and top board and holding down plate move toward the direction of keeping away from the product, and the workman can follow the product of taking on the delivery disk, and is easy and simple to handle.

The invention is further configured to: the steering assembly comprises a steering motor and a speed reducer, the steering motor is fixed on the supporting table, and the positioning seat is connected with the steering motor through the speed reducer.

Through adopting above-mentioned technical scheme, turn to the motor and start, drive the positioning seat through the reduction gear and rotate, it is easy and simple to handle, the operation is reliable.

The invention is further configured to: the lifting assembly comprises a power cylinder and a guide rod, the power cylinder and the guide rod are fixed on the positioning seat, the power rod of the power cylinder is connected with a connecting seat, and the connecting seat is connected with the guide rod in a sliding mode.

Through adopting above-mentioned technical scheme, the power cylinder drives the connecting seat and removes along the length direction of guide bar, realizes reciprocating of connecting seat, and through the guide effect of guide bar, the function that makes the connecting seat is more steady, is difficult for causing the product to drop from between top board and the holding down plate.

The invention is further configured to: the linkage subassembly include the backup pad, go up the runner, down runner and slide bar, go up the runner and rotate with lower runner and connect in the backup pad, slide bar sliding connection on the connecting seat, the upper surface of slide bar with go up the runner meshing, the lower surface and the lower runner meshing of slide bar, last runner and top board fixed connection, lower runner and holding down plate fixed connection.

Through adopting above-mentioned technical scheme, the pole that slides is toward the direction removal of keeping away from the product, goes up the runner and rotates with lower runner, drives top board and holding down plate and toward the direction removal that is close to the product, makes top board and holding down plate realize the centre gripping to the product then.

In conclusion, the invention has the following beneficial effects:

during the storage tray was placed to a large amount of first work piece, along with the storage tray rotates, transmit first work piece one by one on the guide rail, adjust the position of first work piece through guiding mechanism, then fix a position first work piece through positioning mechanism, the second work piece passes through actuating mechanism and carries to the supporting seat on, cut off the second work piece through shutdown mechanism, reciprocating mechanism removes first work piece and second work piece toward the direction that is close to centre gripping steering mechanism, centre gripping steering mechanism is sent first work piece and second work piece to the delivery disk, realize welding and becoming the product to first work piece and second work piece through the welding station, top down the product from placing the board through the push pedal, the workman of being convenient for collects the product, realize the process of the material loading and the product ejection of compact of first work piece and second work piece, effectively promote production efficiency.

Drawings

FIG. 1 is a schematic view of a first workpiece;

FIG. 2 is a schematic view of a second workpiece;

FIG. 3 is an external view of the present invention;

FIG. 4 is a schematic structural diagram showing an adjustment mechanism;

FIG. 5 is a schematic view showing a structure of a transfer tray;

FIG. 6 is a schematic structural view showing a driving mechanism;

FIG. 7 is a schematic structural view showing a cutting mechanism;

FIG. 8 is a schematic structural diagram of a linkage assembly.

Reference numerals: 1. a support table; 2. a material storage tray; 21. a guide rail; 3. an adjustment mechanism; 31. a spiral inner plate; 32. a spiral outer plate; 33. a striker plate; 34. a feed back trough; 35. a material returning plate; 40. a feeding track; 4. a positioning mechanism; 41. a first clamping block; 42. a second clamping block; 43. a first clamping groove; 44. a second clamping groove; 45. a clamping cavity; 46. a baffle plate; 47. a push rod; 48. an elastic member; 49. pushing the plate; 50. a supporting seat; 5. a drive mechanism; 51. a mounting seat; 52. a telescopic rod; 53. a clamping assembly; 531. a first link; 532. a second link; 533. a third link; 534. a splint; 535. a clamping groove; 6. a cutting mechanism; 61. a cutting seat; 62. a saw blade; 63. a drive cylinder; 64. a positioning bar; 65. a drive gear; 7. a reciprocating mechanism; 71. rotating the rod; 72. a displacement rod; 73. a slide plate; 8. clamping a steering mechanism; 81. positioning seats; 82. a connecting seat; 83. an upper pressure plate; 84. a lower pressing plate; 85. a lifting assembly; 851. a power cylinder; 852. a guide rod; 86. a steering assembly; 861. a steering motor; 862. a speed reducer; 9. a linkage assembly; 91. rotating the driving wheel upwards; 92. a lower rotating wheel; 93. a slide bar; 100. a delivery tray; 101. placing the plate; 102. placing a groove; 103. a positioning column; 104. and a hydraulic cylinder.

Detailed Description

The invention is further described with reference to the accompanying drawings.

As shown in fig. 3 to 8, a material guiding device of a laser welding machine includes a supporting table 1, a driving motor is connected to the supporting table 1, and the driving motor is connected to a material storage tray 2 through a reducer 862. A large number of first workpieces are placed in the magazine 2. When the magazine 2 rotates, the centrifugal force generated moves the first workpiece toward the edge of the magazine 2.

A guide rail 21 is fixedly connected to the support table 1. The guide rail 21 has a spiral shape, and the magazine 2 is placed in the guide rail 21. As the magazine 2 rotates, the first workpiece is transported out along the guide rail 21. The guide rail 21 is provided with an adjustment mechanism 3. A material return plate 35 is fixedly connected to one end of the guide rail 21 far away from the storage tray 2. The return plate 35 is disposed obliquely.

The adjusting mechanism 3 comprises a feeding chute, a spiral inner plate 31, a spiral outer plate 32 and a striker plate 33. The spiral inner and outer plates 31 and 32 and the guide rail 21 form a passage therebetween for movement of the first workpiece. The feed-back trough 34 is opened towards one side of the storage tray 2 to the spiral inner plate 31, one end of the striker plate 33 is fixed on the inner wall of the feed-back trough 34, and the other end extends into the channel. And the distance between the striker plate 33 and the guide rail 21 is greater than the thickness of one first workpiece and less than the thickness of two workpieces. The feed chute opens onto the guide rail 21. The shape of the feed chute is the same as the shape of the projection of the first workpiece towards the guide rail 21. A large number of first workpieces move along the path, and the striker plate 33 collides with the first workpiece placed obliquely and the plurality of stacked first workpieces, dropping these first workpieces into the magazine 2 along the return chute 34. The single and flat first workpiece is moved along the channel onto the feed chute, the first workpiece placed in the forward direction falls from the feed chute, and the first workpiece placed in the reverse direction is moved along the rail onto the return plate 35 and then falls back from the return plate 35 into the magazine 2.

The feeding track 40 is fixed on the support table 1, one end of the feeding track is positioned below the feeding groove and used for bearing a first workpiece, and the other end of the feeding track extends towards the direction close to the welding station. A positioning mechanism 4 for positioning the first workpiece is provided on the feed rail 40.

The positioning mechanism 4 includes a first clamp block 41, a second clamp block 42, a first clamp groove 43, and a second clamp groove 44. The first clamping groove 43 is arranged on the first clamping block 41; the second holding groove 44 opens on the second holding block 42. A clamping cavity 45 for clamping a first workpiece is formed between the first clamping groove 43 and the second clamping groove 44; when the clamping cavity 45 clamps the first workpiece, the inner wall of the clamping cavity 45 is attached to the outer wall of the first workpiece. The second clamping block 42 is slidably connected to the first clamping block 41 by a screw, which is horizontally disposed. A guide rod 852 disposed cylindrically and placed in parallel with the screw is fixed to the first clamp block 41. The guide rod 852 passes through the second clamp block 42. The feeding track 40 is hinged with a baffle 46 used for abutting against the first workpiece, and the baffle 46 is connected with the feeding track 40 through an elastic piece 48. A push rod 47 for abutting against the baffle 46 is fixed to the first holding block 41. The first workpiece is placed in the clamping cavity 45, when the first clamping block 41 and the second clamping block 42 move in the direction away from the feeding track 40, the push rod 47 is separated from the baffle 46, the baffle 46 is turned over along the hinged part under the elastic action of the elastic piece 48, and is abutted against the first workpiece on the feeding track 40, so that the first workpiece is prevented from falling and being damaged. When the first clamping block 41 and the second clamping block 42 move towards the direction close to the feeding track 40, the push rod 47 abuts against the baffle 46, and through the lever principle, the baffle 46 turns over along the hinge joint and enables the first workpiece to enter the clamping cavity 45 from the feeding track 40.

The support base 1 is connected to a support base 50 for supporting a second workpiece. One side of the support base 50 is provided with a drive mechanism 5 for driving the second workpiece to move in the width direction of the support base 50.

The driving mechanism 5 comprises a mounting seat 51, an expansion rod 52 and a clamping assembly 53 hinged on the upper side and the lower side of the expansion rod 52. Clamping assembly 53 includes a first link 531, a second link 532, a third link 533, and a clamp plate 534. The first link 531 has one end hinged to the telescopic rod 52 and the other end hinged to the second link 532. The middle portion of the second link 532 is hinged to the mounting seat 51 and the end away from the first link 531 is hinged to the clamping plate 534. The third link 533 has one end hinged to the clamping plate 534 and the other end hinged to the mounting seat 51. The second link 532 is disposed in parallel with the third link 533. The mounting seat 51 is slidably connected to the support seat 50 in a reciprocating manner by an air cylinder. The clamping plate 534 defines a clamping groove 535 for clamping a second workpiece.

A cutting mechanism 6 for cutting the second workpiece is provided on the side of the support table 1 facing the drive mechanism 5. The cutting mechanism 6 includes a cutting base 61, a saw blade 62, a driving cylinder 63, a positioning bar 64, and a driving gear 65. The saw blade 62 is rotatably connected to the cutting base 61; the cutting base 61 is slidably connected to the support base 1 by a driving cylinder 63, and the cutting base 61 is moved along the longitudinal direction of the support base 50. The positioning bar 64 is fixed on the support table 1, and the driving gear 65 is fixedly connected with the saw blade 62 and meshed with the positioning bar 64. The driving cylinder 63 is a pneumatic cylinder.

When the cutting base 61 moves along the length direction of the support table 1 toward the second workpiece, the driving gear 65 rotates and drives the saw blade 62 to rotate, so that the saw blade 62 saws the second workpiece.

In order to reciprocate the support base 50, a reciprocating mechanism 7 is provided on the support base 1. The reciprocating mechanism 7 includes a rotating rod 71, a displacement rod 72, and a slide plate 73. The rotating rod 71 is driven by a motor, the motor is fixed on the supporting table 1, and the rotating rod 71 is rotatably connected below the feeding track 40. One end of the displacement rod 72 is hinged with the rotating rod 71, and the other end is hinged with the first clamping block 41 through a reciprocating seat. The slide plate 73 is fixed to the support table 1 and slidably connected to the first clamp block 41. The slide plate 73 is disposed in parallel with the lock bar 64. The motor rotates the rotating rod 71, the rotating rod 71 moves the displacement rod 72, and the displacement rod 72 moves the first clamping block 41 and the second clamping block 42 along the length direction of the sliding plate 73.

The clamping steering mechanism 8 comprises a positioning seat 81, a connecting seat 82, an upper pressure plate 83, a lower pressure plate 84, a lifting assembly 85 and a steering assembly 86. The positioning seat 81 is rotatably connected to the supporting table 1 through a steering assembly 86. The connecting base 82 is connected to the positioning base 81 by a lifting assembly 85 in a vertical sliding manner. The upper and lower

pressing plates

83 and 84 are moved in opposite directions by the linkage assembly 9 to clamp or move away from the product.

The steering assembly 86 includes a steering motor 861 and a reducer 862. The steering motor 861 is vertically arranged and fixed on the support table 1, and the reducer 862 is connected with the steering motor 861 through a coupling. The positioning base 81 is connected to a steering motor 861 through a decelerator 862. The steering motor 861 is a stepping motor.

The lifting assembly 85 includes a power cylinder 851 and a guide rod 852. The power cylinder 851 and the guide rod 852 are vertically disposed and fixed to the positioning socket 81, the power rod of the power cylinder 851 is connected to the coupling base 82, and the coupling base 82 is slidably connected to the guide rod 852. The power cylinder 851 is a cylinder.

The linkage assembly 9 includes a support plate, an upper rotating wheel 91, a lower rotating wheel 92, and a slide lever 93. The upper rotating wheel 91 and the lower rotating wheel 92 are rotatably connected to a support plate, and the support plate is fixedly connected with the connecting seat 82. The sliding rod 93 is slidably connected to the connecting seat 82. The upper surface of the slide lever 93 is engaged with the upper turning pulley 91. The lower surface of the slide lever 93 is engaged with the lower rotating wheel 92. The upper rotating wheel 91 is fixedly connected with the upper pressing plate 83, and the lower rotating wheel 92 is fixedly connected with the lower pressing plate 84. One end of the sliding rod 93, which is far away from the upper rotating wheel 91, is connected with an air cylinder, and the air cylinder is fixed on the connecting seat 82. The slide rod 93 moves in the direction away from the product along the longitudinal direction thereof, and the upper and

lower press plates

83 and 84 move in the direction close to the product and hold the product. When the slide lever 93 moves in a direction closer to the product, the upper and lower

pressing plates

83 and 84 move in a direction away from the product.

The support table 1 is rotatably connected with a conveying disc 100, and the welding station is positioned above the conveying disc 100. The conveyance tray 100 is provided with a placement plate 101 and positioning columns 103 placed vertically. The placing plate 101 is provided with a placing groove 102 for placing a first workpiece and a second workpiece. After clamping the first workpiece and the second workpiece, the clamping and steering mechanism 8 is arranged in the placing groove 102, and the positioning column 103 is used for penetrating through a through hole in the first workpiece, so that the first workpiece can be positioned in the welding process of the first workpiece and the second workpiece. The positioning column 103 is connected to the conveying tray 100 by a hydraulic cylinder 104 in a sliding manner up and down and is placed in the placing groove 102. A push plate 49 for abutting against the first workpiece is slidably attached to the placing plate 101, and the push plate 49 is placed horizontally and driven by a hydraulic cylinder 104. After the first and second workpieces are welded into a product, the positioning column 103 is moved down and is pulled out from the through hole, and then the push plate 49 is moved and pushes the first workpiece off the placing plate 101 and is reset by the hydraulic cylinder 104. The operation is simple and convenient, and the production efficiency is effectively improved.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a guide device of laser-beam welding machine which characterized by: comprises a supporting table (1), the supporting table (1) is connected with a storage disc (2) in a rotating manner, a guide track (21) is fixed on the supporting table (1), an adjusting mechanism (3) which is used for abutting against a first workpiece is arranged on the guide track (21), one end of the guide track (21) far away from the supporting table (1) is connected with a feeding track (40), the feeding track (40) is connected with a positioning mechanism (4) which is used for abutting against the first workpiece, the supporting table (1) is connected with a supporting seat (50) which is used for supporting a second workpiece, one side of the supporting seat (50) is provided with a driving mechanism (5) which is used for driving the second workpiece to move along the width direction of the supporting seat (50), one side of the supporting table (1) facing the driving mechanism (5) is provided with a cutting mechanism (6) which is used for cutting off the second workpiece, the device is characterized in that a conveying disc (100) is connected to the supporting table (1) in a rotating mode, a clamping and steering mechanism (8) for conveying a first workpiece and a second workpiece to the conveying disc (100) is arranged on the supporting table (1), a reciprocating mechanism (7) for driving the first workpiece and the second workpiece to move towards the clamping and steering mechanism (8) is connected to the supporting table (1) in a sliding mode, the clamping and steering mechanism (8) is arranged between the conveying disc (100) and the reciprocating mechanism (7), a placing plate (101) and a positioning column (103) are arranged on the conveying disc (100), a placing groove (102) for placing the first workpiece and the second workpiece is formed in the placing plate (101), the positioning column (103) is connected to the conveying disc (100) in a sliding mode and placed in the placing groove (102), and a pushing plate (49) used for abutting against the first workpiece is connected to the placing plate (101) in a sliding mode, positioning mechanism (4) including first grip block (41), second grip block (42), first centre gripping groove (43) and second centre gripping groove (44), first centre gripping groove (43) set up on first grip block (41), second centre gripping groove (44) set up on second grip block (42), first centre gripping groove (43) and second centre gripping groove (44) between form centre gripping chamber (45) that are used for centre gripping a first work piece, second grip block (42) through screw rod and first grip block (41) sliding connection, pay-off track (40) on articulated have baffle (46) that are used for contradicting with first work piece, baffle (46) be connected with pay-off track (40) through elastic component (48), first grip block (41) on be fixed with push rod (47) that are used for contradicting with baffle (46), shutdown mechanism (6) including cutting off seat (61), Saw bit (62), driving cylinder (63), location strip (64) and drive gear (65), saw bit (62) rotate and connect on cutting off seat (61), cutting off seat (61) through driving cylinder (63) and supporting bench (1) sliding connection, location strip (64) be fixed in supporting bench (1) on, drive gear (65) and saw bit (62) fixed connection and with location strip (64) meshing.

2. The material guiding device of the laser welding machine according to claim 1, wherein: the adjusting mechanism (3) comprises a spiral inner plate (31), a spiral outer plate (32) and a material baffle plate (33), the spiral inner plate (31) and the spiral outer plate (32) form a channel for the movement of the first workpiece with the guide rail (21), a feed back groove (34) is arranged on one side of the spiral inner plate (31) facing the storage disc (2), the striker plate (33) is obliquely fixed on the inner wall of the feed back trough (34), the adjusting mechanism (3) also comprises a feeding groove for the first workpiece to fall, the feeding track (40) is positioned below the feeding groove, a supporting column which is arranged in the placing plate (101) in a penetrating way is fixed on the conveying disc (100), the support column on the cover be equipped with the spring, the support column on threaded connection have an adjusting collar, place board (101) one side and contradict with the adjusting collar, the opposite side is contradicted with the support column.

3. The material guiding device of the laser welding machine according to claim 1, wherein: actuating mechanism (5) including mount pad (51), telescopic link (52) and articulate in centre gripping subassembly (53) of both sides about telescopic link (52), centre gripping subassembly (53) include first connecting rod (531), second connecting rod (532), third connecting rod (533) and splint (534), first connecting rod (531) one end articulated with telescopic link (52), the other end is articulated with second connecting rod (532), the middle part of second connecting rod (532) is articulated with mount pad (51) and makes the one end of keeping away from first connecting rod (531) articulated with splint (534), third connecting rod (533) one end articulated with splint (534), the other end is articulated with mount pad (51), second connecting rod (532) and third connecting rod (533) parallel arrangement, mount pad (51) reciprocating sliding connection on support seat (50).

4. The material guiding device of the laser welding machine according to claim 1, wherein: reciprocating mechanism (7) include rotary rod (71), displacement pole (72) and slide (73), rotary rod (71) rotate and connect on brace table (1), displacement pole (72) one end articulated with rotary rod (71), the other end is articulated with first grip block (41), slide (73) be fixed in on brace table (1) and with first grip block (41) sliding connection.

5. The material guiding device of the laser welding machine according to claim 1, wherein: the clamping and steering mechanism (8) comprises a positioning seat (81), a connecting seat (82), an upper pressure plate (83), a lower pressure plate (84), a lifting assembly (85) and a steering assembly (86), wherein the positioning seat (81) is connected to the supporting seat (1) in a rotating mode through the steering assembly (86), the connecting seat (82) is connected to the positioning seat (81) in a sliding mode through the lifting assembly (85), and the upper pressure plate (83) and the lower pressure plate (84) are used for clamping a first workpiece and a second workpiece through linkage assembly (9) reverse movement.

6. The material guiding device of the laser welding machine according to claim 5, wherein: the steering assembly (86) comprises a steering motor (861) and a speed reducer (862), the steering motor (861) is fixed on the support table (1), and the positioning seat (81) is connected with the steering motor (861) through the speed reducer (862).

7. The material guiding device of the laser welding machine according to claim 5, wherein: the lifting assembly (85) comprises a power cylinder (851) and a guide rod (852), the power cylinder (851) and the guide rod (852) are fixed on the positioning seat (81), the power rod of the power cylinder (851) is connected with the connecting seat (82), and the connecting seat (82) is connected with the guide rod (852) in a sliding manner.

8. The material guiding device of the laser welding machine according to claim 5, wherein: linkage subassembly (9) including the backup pad, go up runner (91), runner (92) and slide bar (93) down, go up runner (91) and runner (92) down and rotate and connect in the backup pad, slide bar (93) sliding connection on connecting seat (82), the upper surface of slide bar (93) with go up runner (91) meshing, the lower surface and the runner (92) meshing down of slide bar (93), last runner (91) and top board (83) fixed connection, runner (92) and holding down plate (84) fixed connection down.