CN215545957U

CN215545957U - laser-MAG composite welding clamp for high-strength steel for thick plate ship

Info

Publication number: CN215545957U
Application number: CN202121827904.3U
Authority: CN
Inventors: 王子健; 刘祥宇; 楚文龙; 张国瑜
Original assignee: Liaoning Additive Manufacturing Industry Technology Research Institute Co ltd
Current assignee: Liaoning Additive Manufacturing Industry Technology Research Institute Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-01-18
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a laser-MAG composite welding clamp for high-strength steel for thick plate ships, which comprises a bottom plate, wherein pressing plates are respectively arranged at the top end of the bottom plate and in the horizontal direction parallel to the bottom plate, and a plurality of bolt holes are uniformly distributed in the pressing plates from left to right. When a welding piece with a tubular structure needs to be clamped and welded, the clamp can quickly and fixedly install the welding piece to be welded and can accurately position the workpiece to be welded by sequentially penetrating bolts through the bolt holes and the insides of the threaded holes formed in the top end of the base plate, and the rotating rod can rotate in the positioning hole in a threaded manner by tightly holding and rotating the handle, so that the chuck is attached to the surface of the welding piece to be welded, the clamping of the welding piece to be welded is facilitated, the workpiece is conveniently fixed, the workpiece cannot deviate in the welding process, the back protection effect of the welding seam is better, and the quality of the welding seam is higher.

Description

laser-MAG composite welding clamp for high-strength steel for thick plate ship

Technical Field

The utility model relates to the technical field of welding fixtures, in particular to a laser-MAG composite welding fixture for high-strength steel for thick plate ships.

Background

With the development of industry, the application of thick plates in welding structures is increasingly widespread, at present, the traditional welding method (manual arc welding, submerged arc automatic welding, fuse gas shielded welding and the like) is often used for welding the thick plates, although the cost of the traditional welding method is relatively low, the defects of unfused, undercut, welding beading and the like are easily generated, the welding efficiency is low, and with the development of the world economic technology, the traditional welding method can not meet the use requirements gradually, so that novel welding technology gradually appears.

The existing laser-MAG composite welding clamp for high-strength steel for thick plate ships can only clamp and fix a plate-shaped welding part during welding, so that the welding part is easy to deviate in the welding process, the welding quality is further influenced, residues during welding easily fall at the joint of a copper gasket and an annular groove, the copper gasket is easy to block, and the working efficiency during replacement is influenced.

Therefore, there is a need to provide a laser-MAG hybrid welding jig for high-strength steel for thick plate ships, which solves the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a laser-MAG composite welding clamp for high-strength steel for thick plate ships, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a laser-MAG composite welding clamp for high-strength steel of a thick plate ship comprises a bottom plate, wherein a pressing plate is respectively arranged at the top end of the bottom plate and in a horizontal direction parallel to the bottom plate, a plurality of bolt holes are uniformly distributed in the pressing plate from left to right, a plurality of anti-skidding blocks are arranged at the bottom end of the pressing plate, connecting plates are respectively and fixedly connected to the bottom ends of the left side and the right side of the pressing plate, clamping mechanisms are respectively arranged in the connecting plates, a protection plate is arranged between the bottom end of the pressing plate and the top end of the bottom plate, positioning rods are respectively and fixedly connected to four corners of the bottom end of the protection plate, a first positioning pin hole and a second positioning pin hole are respectively arranged at four corners of the top end of the bottom plate, an annular groove is formed in the top end of the bottom plate, a copper gasket clamped and connected with the inner wall of the annular groove is arranged in the annular groove, and a gas receiving port is formed in the left end of the bottom plate, the clamp is characterized in that a part to be welded is arranged between the top end of the protection plate and the pressing plate, so that the clamp can quickly fix the part to be welded, can accurately position the part to be welded, and can ensure that the part cannot deviate in the welding process, and meanwhile, the back protection effect on a welding seam is better, so that the quality of the welding seam is higher.

Preferably, the clamp plate is symmetrical structure with the horizontal axis of bottom plate, the connecting plate is symmetrical structure with the vertical axis of bottom plate with clamping mechanism jointly, can increase the area of contact of treating the welding piece, ensures that the packing force of treating the welding piece is more even, improves the steadiness of treating the welding piece.

Preferably, No. two locating pin holes distribute in between the rectangle that a locating pin hole formed is inside, the locating lever constitutes the block with No. two locating pin holes and is connected, and the residue when being convenient for to the welding shelters from, prevents that the welding residue from dropping in the seam crossing of copper gasket and ring channel, further reduces and leads to the fact unnecessary troublesome owing to the copper gasket card is died when changing the copper gasket, sets up the guard plate simultaneously and can reduce the wearing and tearing of waiting to weld the piece and leading to the fact the copper gasket, has improved the life of copper gasket to prevent the bottom plate damage.

Preferably, the non-slipping spur is wide zigzag structure narrow down in the top, and the non-slipping spur is made for the rubber material, when fixing the clamp plate, can increase the non-slipping spur and wait to treat the area of contact between the weldment, prevents to treat that the weldment from producing and sliding, can further treat the weldment simultaneously and protect, avoids causing the condition of pressing from both sides the wound to take place.

Preferably, turn right from a left side and evenly seted up a plurality of through-holes in the inside of copper gasket, the arc wall has been seted up respectively to both ends top face about the copper gasket, and the inside of arc wall all is provided with the arc ring, the both ends of arc ring are provided with respectively and constitute the bracing piece of rotating the connection with the inside connecting hole of arc ring, and the upper and lower both ends of bracing piece each other with the inner wall of arc wall respectively is fixed connection, are convenient for pull out the copper gasket from the inside of ring channel, are convenient for change the copper gasket, are convenient for accomodate the arc ring simultaneously, can not treat the fixed of welding and cause the interference, and the security is higher and more laborsaving.

Preferably, the locating hole has all been seted up to the inside of connecting plate, clamping mechanism is including rotatable rolling disc, and one side that the connecting plate was kept away from to the rolling disc is provided with the handle, one side fixedly connected with dwang that the handle was kept away from to the rolling disc, and the other end rotation of dwang is connected with the chuck.

Preferably, the one end of handle constitutes through the bearing that sets up with the rolling disc and rotates and be connected, the other end of dwang passes the inside of locating hole and constitutes threaded connection with the locating hole, the chuck is the protruding middle part spill structure in both ends, is convenient for treat the welding piece and presss from both sides tightly, is convenient for fix the work piece, ensures that the work piece can not squint in welding process, and the back protection effect to the welding seam is better simultaneously, can make the welding seam quality higher.

Compared with the prior art, the utility model has the beneficial effects that:

(1) this marine high strength steel's of thick plate laser-MAG hybrid welding anchor clamps, when needs press from both sides tight welding to the welding of tubular structure, through passing the bolt hole in proper order with the inside of a plurality of screw holes that the bottom plate top was seted up, make this anchor clamps can be quick treat the welding and carry out fixed mounting, and can treat the welded work piece and carry out accurate location, through holding tightly and rotating the handle, make the dwang carry out the screw thread rotation in the inside of locating hole, thereby make the chuck laminate mutually with the surface of treating the welding, be convenient for treat the welding and press from both sides tightly, be convenient for fix the work piece, ensure the work piece can not squint in welding process, the back protection effect to the butt weld is better simultaneously, can make the welding seam quality higher.

(2) This marine high strength steel's of thick plate laser-MAG hybrid welding anchor clamps, through connecting the locating lever block in the inside of No. two locating pin holes, make the guard plate cover just on the surface of copper gasket, and the area of guard plate is greater than the area of copper gasket and is convenient for shelter from the residue when welding, prevent that the welding residue from dropping in the seam crossing of copper gasket and ring channel, further reduce when changing the copper gasket because the copper gasket card dies to cause the unnecessary trouble, set up the guard plate simultaneously and can reduce the wearing and tearing that wait to weld and lead to the fact the copper gasket, the life of copper gasket has been improved, in order to prevent that the bottom plate from damaging.

(3) This marine high strength steel's of thick plate laser-MAG hybrid welding anchor clamps for through upwards pulling arc ring for the arc ring rotates around the bracing piece, is convenient for pull out the copper gasket from the inside of ring channel, is convenient for change the copper gasket, is convenient for accomodate the arc ring simultaneously, can not treat the fixed interference that causes of welding, and the security is higher and more laborsaving.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic top view of a copper gasket according to the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4.

In the figure: 1. a base plate; 101. a first positioning pin hole; 102. a second positioning pin hole; 103. an annular groove; 2. pressing a plate; 201. bolt holes; 202. anti-skid blocks; 3. a connecting plate; 301. positioning holes; 4. a clamping mechanism; 401. rotating the disc; 402. a handle; 403. rotating the rod; 404. a chuck; 5. a protection plate; 6. positioning a rod; 7. a copper gasket; 701. a through hole; 702. an arc-shaped slot; 703. an arc-shaped ring; 704. a support bar; 8. an air receiving port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a laser-MAG composite welding clamp for high-strength steel of a thick plate ship comprises a bottom plate 1, wherein a pressing plate 2 is respectively arranged at the top end of the bottom plate 1 and in a horizontal direction parallel to the bottom plate 1, a plurality of bolt holes 201 are uniformly distributed in the pressing plate 2 from left to right, a plurality of anti-skidding blocks 202 are arranged at the bottom end of the pressing plate 2, connecting plates 3 are respectively and fixedly connected with the bottom ends of the left side and the right side of the pressing plate 2, clamping mechanisms 4 are respectively arranged in the connecting plates 3, a protection plate 5 is arranged between the bottom end of the pressing plate 2 and the top end of the bottom plate 1, positioning rods 6 are respectively and fixedly connected with four corners of the bottom end of the protection plate 5, a first positioning pin hole 101 and a second positioning pin hole 102 are respectively arranged at four corners of the top end of the bottom plate 1, an annular groove 103 is arranged at the top end of the bottom plate 1, and a copper gasket 7 which is clamped and connected with the inner wall of the annular groove 103 is arranged in the annular groove 103, the air port 8 has been seted up to the left end of bottom plate 1, is provided with between the top of guard plate 5 and the clamp plate 2 and remains the welding, at first will wait to weld and put between the top of guard plate 5 and clamp plate 2, through passing the inside of a plurality of screw holes that bolt hole 201 and bottom plate 1 top were seted up in proper order with the bolt for this anchor clamps can be quick treat that the welding carries out fixed mounting, and can treat that the welded work piece carries out accurate location.

As shown in fig. 1 and 3, the pressing plate 2 and the horizontal central axis of the base plate 1 are of a symmetrical structure, and the connecting plate 3 and the clamping mechanism 4 are of a symmetrical structure together with the vertical central axis of the base plate 1, so that the contact area of a to-be-welded part can be increased, the pressing force of the to-be-welded part is ensured to be more uniform, and the stability of the to-be-welded part is improved.

As shown in fig. 1-4, No. two locating pin holes 102 distribute between the inside of the rectangle that No. one locating pin hole 101 formed, locating lever 6 constitutes the block connection with No. two locating pin holes 102, through connecting locating lever 6 block in No. two locating pin holes 102's inside, make guard plate 5 cover just on the surface of copper gasket 7, and the area of guard plate 5 is greater than the area of copper gasket 7 and is convenient for shelter from the residue when welding and leave narrow and small clearance, guarantee that gas can normally flow out, prevent that welding residue from dropping in the seam crossing of copper gasket 7 and ring channel 103, further reduce when changing copper gasket 7 because copper gasket 7 blocks and leads to the fact unnecessary trouble, set up guard plate 5 simultaneously and can reduce the wearing and tearing that the piece of waiting to weld caused copper gasket 7.

As shown in fig. 1 and 2, the anti-slip block 202 is a zigzag structure with a wide top and a narrow bottom, and the anti-slip block 202 is made of rubber, so that when the pressing plate 2 is fixed, the contact area between the anti-slip block 202 and the to-be-welded part can be increased, the to-be-welded part is prevented from sliding, and meanwhile, the to-be-welded part can be further protected, thereby avoiding the occurrence of clamping damage.

As shown in fig. 4, through holes 701 are uniformly formed in the copper gasket 7 from left to right, during the welding process, a back protection gas pipe is inserted into the gas receiving opening 8, the area of the protection plate 5 is larger than that of the copper gasket 7, so as to shield residues during welding and leave a narrow gap, so that gas flows out through the copper gasket 7, so as to ensure stable gas flow and uniform protection, arc-shaped grooves 702 are respectively formed at the top end surfaces of the left and right ends of the copper gasket 7, arc-shaped rings 703 are arranged in the arc-shaped grooves 702, support rods 704 rotatably connected with the connecting holes in the arc-shaped rings 703 are respectively arranged at the two ends of the arc-shaped rings 703, the upper and lower ends of the support rods 704 are respectively and fixedly connected with the inner walls of the arc-shaped grooves 702, the arc-shaped rings 703 are rotated around the support rods 704 by pulling the arc-shaped rings upwards, so as to facilitate pulling out the copper gasket 7 from the inside of the annular groove 103, so as to facilitate replacement of the copper gasket 7, simultaneously be convenient for accomodate the arc-shaped ring 703, can not treat the fixed of welding and cause the interference, the security is higher and more laborsaving.

As shown in fig. 1 to 3, the connecting plate 3 is provided with positioning holes 301 inside, the clamping mechanism 4 includes a rotatable rotating disc 401, a handle 402 is disposed on one side of the rotating disc 401 away from the connecting plate 3, a rotating rod 403 is fixedly connected to one side of the rotating disc 401 away from the handle 402, and a chuck 404 is rotatably connected to the other end of the rotating rod 403.

As shown in fig. 1-3, one end of the handle 402 is rotatably connected with the rotary disc 401 through a bearing, the other end of the rotary rod 403 passes through the inside of the positioning hole 301 and is in threaded connection with the positioning hole 301, the chuck 404 is in a concave structure with two convex ends and a middle concave structure, when a welding part of a tubular structure needs to be clamped and welded, the handle 402 is tightly held and rotated, so that the rotary rod 403 is in threaded rotation inside the positioning hole 301, the chuck 404 is attached to the surface of the welding part to be welded, the welding part to be welded is conveniently clamped, and the workpiece is conveniently fixed.

The working principle is as follows: when in use, the positioning rod 6 is firstly clamped and connected inside the second positioning pin hole 102, so that the protection plate 5 just covers the surface of the copper gasket 7, in the welding process, a back protection gas pipe is inserted into the gas receiving port 8, the area of the protection plate 5 is larger than that of the copper gasket 7, residues in welding can be conveniently shielded, a narrow gap is reserved, gas can flow out through the copper gasket 7, the stability of gas flow and the uniformity of protection are ensured, meanwhile, welding residues are prevented from falling at the joint of the copper gasket 7 and the annular groove 103, unnecessary troubles caused by the clamping of the copper gasket 7 when the copper gasket 7 is replaced are further reduced, meanwhile, the protection plate 5 is arranged, the abrasion of a to-be-welded piece on the copper gasket 7 can be reduced, the service life of the copper gasket 7 is prolonged, the bottom plate 1 is prevented from being damaged, then the to-be-welded piece is placed between the top end of the protection plate 5 and the pressing plate 2, bolts sequentially pass through the bolt holes 201 and the inside a plurality of threaded holes formed in the top end of the bottom plate 1, the clamp can quickly and fixedly install a to-be-welded part and accurately position the to-be-welded workpiece, when the to-be-welded part with a tubular structure needs to be clamped and welded, the handle 402 is tightly held and rotated, the rotating rod 403 is rotated in the positioning hole 301 in a threaded manner, so that the chuck 404 is attached to the surface of the to-be-welded part, the to-be-welded part is convenient to clamp, the workpiece is convenient to fix, the workpiece is ensured not to deviate in the welding process, meanwhile, the back protection effect of the welding seam is better, the quality of the welding seam can be higher, when the copper gasket 7 needs to be replaced, the pressing plate 2 and the protection plate 5 are sequentially detached, then the arc ring 703 is pulled upwards, the arc ring 703 rotates around the supporting rod 704, the copper gasket 7 is convenient to be pulled out from the inside of the annular groove 103, and the copper gasket 7 is convenient to be replaced, simultaneously be convenient for accomodate the arc-shaped ring 703, can not treat the fixed of welding and cause the interference, the security is higher and more laborsaving.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a marine high strength steel's of thick plate laser-MAG hybrid welding anchor clamps, includes bottom plate (1), its characterized in that: the top end of the bottom plate (1) is parallel to the horizontal direction of the bottom plate (1) and is respectively provided with a pressing plate (2), a plurality of bolt holes (201) are uniformly distributed in the pressing plate (2) from left to right, a plurality of anti-skidding blocks (202) are installed at the bottom end of the pressing plate (2), the bottoms of the left side and the right side of the pressing plate (2) are respectively and fixedly connected with a connecting plate (3), clamping mechanisms (4) are respectively arranged in the connecting plate (3), a protection plate (5) is arranged between the bottom end of the pressing plate (2) and the top end of the bottom plate (1), four corners of the bottom end of the protection plate (5) are respectively and fixedly connected with positioning rods (6), a first positioning pin hole (101) and a second positioning pin hole (102) are respectively arranged at the four corners of the top end of the bottom plate (1), an annular groove (103) is formed at the top end of the bottom plate (1), and a copper gasket (7) which is clamped and connected with the inner wall of the annular groove (103) is arranged in an embedded mode is arranged in the annular groove (103), the left end of the bottom plate (1) is provided with an air receiving opening (8).

2. The laser-MAG composite welding clamp for the high-strength steel of the thick plate ship as claimed in claim 1, wherein: the pressing plate (2) and the horizontal central axis of the bottom plate (1) are of a symmetrical structure, and the connecting plate (3) and the clamping mechanism (4) are of a symmetrical structure together with the vertical central axis of the bottom plate (1).

3. The laser-MAG composite welding clamp for the high-strength steel of the thick plate ship as claimed in claim 1, wherein: the second positioning pin holes (102) are distributed among the rectangular inner parts formed by the first positioning pin holes (101), and the positioning rods (6) are connected with the second positioning pin holes (102) in a clamping mode.

4. The laser-MAG composite welding clamp for the high-strength steel of the thick plate ship as claimed in claim 1, wherein: the anti-skid block (202) is of a zigzag structure with a wide upper part and a narrow lower part, and the anti-skid block (202) is made of rubber.

5. The laser-MAG composite welding clamp for the high-strength steel of the thick plate ship as claimed in claim 1, wherein: a plurality of through holes (701) are evenly opened to turning right from a left side in the inside of copper gasket (7), arc wall (702) have been seted up respectively to both ends top face about copper gasket (7), and the inside of arc wall (702) all is provided with arc ring (703), the both ends of arc ring (703) are provided with respectively and constitute bracing piece (704) of rotating the connection with the inside connecting hole of arc ring (703), and the upper and lower both ends of bracing piece (704) are each other fixed connection with the inner wall of arc wall (702) respectively.

6. The laser-MAG composite welding clamp for the high-strength steel of the thick plate ship as claimed in claim 1, wherein: locating hole (301) have all been seted up to the inside of connecting plate (3), clamping mechanism (4) are provided with handle (402) including rotatable rolling disc (401), and one side that connecting plate (3) were kept away from in rolling disc (401), one side fixedly connected with dwang (403) of handle (402) are kept away from in rolling disc (401), and the other end rotation of dwang (403) is connected with chuck (404).

7. The laser-MAG composite welding clamp for the high-strength steel of the thick plate ship as claimed in claim 6, wherein: the one end of handle (402) constitutes through the bearing that sets up with rolling disc (401) and rotates and be connected, the other end of dwang (403) passes the inside of locating hole (301) and constitutes threaded connection with locating hole (301), chuck (404) are the protruding middle part concave structure in both ends.