CN217889903U

CN217889903U - Laser welding jig

Info

Publication number: CN217889903U
Application number: CN202221336002.4U
Authority: CN
Inventors: 胡辉; 张铮; 伍勇胜; 施卫建; 许统财
Original assignee: Interplex Suzhou Precision Engineering Ltd
Current assignee: Interplex Suzhou Precision Engineering Ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-11-25
Anticipated expiration: 2032-05-31

Abstract

The utility model discloses a laser welding jig, which is applied to the field of welding jigs and solves the technical problems that a large welding part cannot be fully contacted with a pressing plate during welding, the welding is poor, the welding is not firm and the welding part is deformed; the welding device has the technical effects that the welding device can be fully attached to and extruded with the welding part of the welding part during welding, so that the problems of deformation, poor welding, insecurity and the like of the welding part during welding are avoided.

Description

Laser welding jig

Technical Field

The utility model relates to a welding jig field especially relates to a laser welding jig.

Background

The laser welding is an efficient precise welding method using a laser beam with high energy density as a heat source, and when a welding part needs to be welded, the welding part generally needs to be fixed, so that the welding operation of the welding part is convenient;

the mode of traditional fixed welding spare does, according to the shape of welding spare, press down welding spare with two upper and lower clamp plates, thereby leave the opening at the part that needs the welded and carry out laser welding, this kind of way of welding spare to some small-sizes still can guarantee certain welding quality, but when the great or longer term of size of welding spare, because can't guarantee the plane degree on welding spare surface, the surface of welding spare just can not fully press down the contact with the clamp plate, thereby cause welding spare deformation and welding badly when the welding, weld insecure scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides one kind, its advantage can fully laminate and extrude with the weld part of welding piece when the welding to deformation and welding of welding piece when the welding are bad, insecure scheduling problem have been avoided.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a laser welding jig, includes tool main part board and pressure spring board, and the cooperation can be dismantled with the pressure spring board to tool main part board, is provided with on the tool main part board to carry out the extruded extrusion subassembly to the welding part of welding, is provided with the elastic component between tool main part board and the pressure spring board, and the elastic component application of force is on the extrusion subassembly.

Through the technical scheme, tool main part board and compression spring board detachable installation to the convenient installation operation to extrusion subassembly and elastic component, through the application of force of elastic component to extrusion subassembly, thereby realize the extrusion of extrusion subassembly to the welding part of welding, thereby improve the stability when welding the welding, and then appear bad welded problem when reducing the welding, also reduced the deformation problem of welding when the welding simultaneously.

The utility model discloses further set up to: the extrusion subassembly including set up the pressure material hole on tool main part board and with press the material hole complex pressure material ring that slides, the elastic component application of force is on pressing the material ring, presses the material ring to extrude the welding part of welding, presses to set up the through-hole that makes laser pass through on the material ring.

Through the technical scheme, the pressing ring is matched with the pressing hole, so that the pressing ring can move up and down in the range of the pressing hole, the pressing ring moves towards the welding part under the action of the elastic part and fully contacts and extrudes the welding part of the welding part, the deformation of the welding part during welding is reduced, the welding part is more stable during welding, and the problems of unstable welding and poor welding are solved;

the laser beam for welding passes through the through hole and reaches the welded portion of the welded material, thereby welding the welded material.

The utility model discloses further set up to: the material pressing hole extends towards the material pressing ring to form a blocking portion, and the material pressing ring is provided with a limiting portion matched with the blocking portion, so that the position of the material pressing ring relative to the material pressing hole is limited.

Through above-mentioned technical scheme, mutually supporting of stop part and spacing portion to will press the material ring restriction to press the material hole in, and then avoid pressing the material ring to drop from pressing the material hole at the during operation, also play the restriction simultaneously and press the material ring to stretch out the distance that presses the material hole, press the material ring to the pressure of welding piece in the convenient control, also conveniently change the material ring of pressing of different specifications simultaneously, with the different welding of cooperation.

The utility model discloses further set up to: the elastic part is a spring, and the pressure spring plate is provided with a pressure groove matched with the spring, so that the position of the spring in the pressure groove is limited, and the pressure groove is provided with a through hole for the laser to pass through.

Through above-mentioned technical scheme, the spring has fine elasticity to abundant carry out the application of force to pressing the material ring, the indent can hold the spring, thereby makes the spring more stable in its position of during operation, and then makes pressing the stable butt weld spare of material ring and extrude, and welding laser passes through the perforation, passes through the through-hole again, finally reaches the welding part of welding, thereby welds the butt weld spare.

The utility model discloses further set up to: the end face of one end of the material pressing ring close to the welding part is higher than the end face of one section of the jig main body plate close to the welding part.

Through above-mentioned technical scheme to the swage ring can directly contact with the surface of welding, and then swage ring extrudees the welding part of welding.

The utility model discloses one side that further tool main part board is close to the welding piece is seted up and is stepped down the groove with welding piece matched with.

Through the technical scheme, the part protruding from the welding part can be deeply inserted into or attached to the yielding groove, so that the whole surface of the welding part can be in full contact with the jig main body plate, the welding part and the jig main body plate are more stable, and the welding stability is guaranteed.

The utility model discloses further set up to: the jig main body plate and the compression spring plate are correspondingly provided with positioning holes.

Through the technical scheme, the pin or the shaft is matched with the positioning hole, so that the jig main body plate and the compression spring plate are aligned more easily, and the jig main body plate and the compression spring plate are convenient to install and operate.

The utility model discloses further set up to: one side of the material pressing hole close to the pressure spring plate is provided with a fillet.

Through above-mentioned technical scheme, at one side fillet of pressure spring board, enlarged the contact surface when getting into the pressure material hole, made things convenient for the pressure material ring to put into in the pressure material hole on the one hand, on the other hand has also made things convenient for the spring to get into in the pressure material hole and the contact of spring and pressure material ring terminal surface, also made the spring in the pressure material hole and with press the material more stable of material ring contact.

The utility model has the advantages that:

1. the elastic piece, the pressing hole and the pressing ring are matched with each other, so that the pressing ring can extrude the welding part of the welding piece, the deformation of the welding piece during welding is reduced, the welding is more stable, the pressing piece can extrude the welding pieces with different planeness due to the elastic effect of the elastic piece, the requirement on the planeness of the welding piece is reduced, and the stability during welding is further improved;

2. the blocking part on the pressing hole is matched with the limiting part on the pressing ring, so that the relative position of the pressing ring in the pressing hole is limited, the pressing ring is prevented from falling off from the pressing hole during working, and different pressing rings are convenient to replace;

3. the indent enables laser to pass through on the one hand, and on the other hand restricts the position of the spring, so that the spring is more stable in the process of extrusion work.

Drawings

Fig. 1 is a schematic perspective view of a laser welding jig according to a preferred embodiment of the present invention;

FIG. 2 is a schematic illustration of the construction of the illustrated press holes and press ring;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram of the avoiding groove of the embodiment.

The parts in the drawings are numbered as follows:

1. a jig main body plate; 2. a compression spring plate; 4. a material pressing hole; 5. a material pressing ring; 6. a through hole; 7. a blocking portion; 8. a limiting part; 9. pressing a groove; 10. perforating; 11. a yielding groove; 12. positioning holes; 13. rounding off; 14. a countersunk head bolt; 15. a pressing part; 16. a spring.

Detailed Description

The following description of the preferred embodiments of the present invention will be provided with reference to the accompanying drawings, so that the advantages and features of the present invention can be easily understood by those skilled in the art, and the scope of the present invention can be clearly and clearly defined.

Example (b):

referring to fig. 1, a laser welding jig comprises a jig main body plate 1 and a pressure spring plate 2, wherein the pressure spring plate 2 is arranged on the upper side of the jig main body plate 1, the jig main body plate 1 is detachably connected with the pressure spring plate 2, a countersunk hole is formed in the pressure spring plate 2, a threaded hole matched with the countersunk hole is formed in the jig main body plate 1, a countersunk bolt 14 is in threaded fit with the threaded hole, and the countersunk bolt 14 penetrates through the countersunk hole in the pressure spring plate 2 to be in bolted connection with the threaded hole in the jig main body plate 1, so that the jig main body plate 1 is fixedly connected with the pressure spring plate 2;

of course, the fixing mode between the main plate body of the jig and the compression spring plate 2 is not limited to bolt connection, and the main plate body of the jig and the compression spring plate can also be connected through clamping and a clamp for fixing the main plate body of the jig and the compression spring plate;

the corresponding locating hole 12 of having seted up in four corners department of tool main part board 1 and pressure spring board 2 makes tool main part board 1 and pressure spring board 2 align through round pin or axle with locating hole 12 matched with, and then makes things convenient for the installation of tool main part board 1 and pressure spring board 2.

Referring to fig. 2 and 3, a pressure groove 9 is formed in one side of the pressure spring plate 2 close to the jig main body plate 1, a through hole 10 for allowing laser to pass through is formed in the pressure groove 9, an extrusion assembly is arranged on the jig main body plate 1, the extrusion assembly comprises a pressing hole 4 formed in the jig main body plate 1 and a pressing ring 5 in sliding fit with the pressing hole 4, the position of the pressing hole 4 corresponds to the position of the through hole 10, the pressing ring 5 is arranged in the pressing hole 4, the pressing ring 5 can move up and down in the pressing hole 4, the pressing ring 5 comprises a limiting portion 8 and a pressing portion 15 which are integrally formed, the pressing portion 15 penetrates through the pressing hole 4 and presses a part of the welding piece needing to be welded, the limiting portion 8 limits the position of the pressing ring 5, and simultaneously limits the position of the pressing portion 15, when the pressing portion 15 is in a state of being limited by the limiting portion 8, the end face of the pressing part 15 close to one end of the welding part is higher than the end face of the jig main body plate 1 close to one end of the welding part by a certain distance, preferably the higher distance is 0.8mm, so that the welding part is more stably pressed, the limiting part 8 is an annular bulge extending outwards from the pressing ring 5, a blocking part 7 matched with the limiting part is arranged on the pressing hole 4, the blocking part 7 is an annular flange extending inwards from the pressing hole 4 and matched with the annular bulge of the pressing ring 5, so that the position of the pressing ring 5 moving downwards in the pressing hole 4 is limited, a through hole 6 allowing laser to pass through is formed in the pressing ring 5, the through hole 6 corresponds to the through hole 10 in a straight line, so that the laser can pass through the through hole 6 and the through hole 10, and the welding part of the welding part is welded;

spacing portion 8 also can be for seting up the recess on pressing material ring 5 side, and stop part 7 also can be for setting up the lug on pressing material hole 4 lateral wall to through mutually supporting of recess and lug, and then restrict pressing material ring 5 and pressing the position of material hole 4 interior downstream.

Referring to fig. 2 and 3, an elastic member is arranged between the jig main body plate 1 and the pressure spring plate 2, the elastic member is preferably a spring 16, one end of the spring 16 abuts against the pressure groove 9, and the other end of the spring abuts against one end of the pressure ring 5, so that the pressure ring 5 moves towards the direction of the welding part and further presses the part of the welding part to be welded, so that the welding part is kept stable during welding, the spring 16 has certain elasticity, the pressure ring 5 has certain freedom degree of up-and-down movement under the elasticity of the spring 16, and further the pressure ring 5 can press the surfaces of the welding parts with different flatness degrees, thereby reducing the requirement on the surface flatness of the welding part, further facilitating the welding of the welding part, and further improving the stability during welding;

the inner diameter of the pressure groove 9 corresponds to the outer diameter of the spring 16, so that the degree of freedom of the spring 16 in the pressure groove 9 is reduced, and the spring 16 is more stably abutted against the swaging ring 5.

Referring to fig. 2 and 3, a rounding 13 is provided at one side of the material pressing hole 4 close to the pressure spring plate 2, so that the material pressing ring 5 is conveniently placed in the material pressing hole 4 and the spring 16 is conveniently abutted against the material pressing ring 5 in the material pressing hole 4, thereby reducing the requirement on the position accuracy of the spring 16 relative to the material pressing hole 4.

Referring to fig. 4, a yielding groove 11 matched with the welding part is formed in one side, close to the welding part, of the jig main body plate 1, so that the jig main body plate 1 and the pressing ring 5 are matched with the welding part conveniently, the yielding groove 11 can accommodate the part, protruding out of the welding part, of the welding part and can be attached to the part, protruding out of the welding part, and therefore the position of the welding part is more stable when the welding part is pressed tightly.

The installation process comprises the following steps: one end of a pressing part 15 of the pressing ring 5 faces the pressing hole 4 and is placed in the pressing hole 4, the limiting part 8 of the pressing ring 5 is matched with the blocking part 7 of the pressing hole 4 under the action of gravity, so that the pressing ring 5 is hung in the pressing hole 4 and does not fall off from the pressing hole 4, and the end surface of the pressing part 15 of the pressing ring 5 protrudes out of the end surface of the jig main body plate 1 at the moment, so that the pressing ring can be in direct contact with a welded object;

placing one end of a spring 16 at one end of a material pressing ring 5, covering a jig main board with a corresponding spring pressing plate 2, so that the other end of the spring 16 is abutted to a pressing groove 9, further pressing the material pressing ring 5 downwards under the action of the elastic force of the spring 16, further pressing a welding part in direct contact with a pressing part 15 of the material pressing ring 5, and then enabling a countersunk bolt 14 to penetrate through a countersunk hole in the spring pressing plate 2 to be in threaded connection with a threaded hole in the jig main body plate 1, so that the relative position between the spring pressing plate 2 and the jig main body plate is fixed;

at the moment, the pressing part 15 extending out of the pressing ring 5 on the jig body plate is pressed on the welding part, so that the welding part of the welding part is pressed, the pressing ring 5 has a certain space for moving up and down under the action of the spring 16, the requirement on the surface flatness of the welding part is reduced, and the pressing ring 5 can press the welding parts with different flatness through the adjustment of the spring 16;

after the welding part of the welding part is compressed by the compression part 15 of the compression ring 5, the laser welding equipment is started, laser passes through the through hole 10 on the compression spring plate 2, the inner diameter space of the spring 16 and the through hole 6 on the jig body plate, so that the welding part of the welding part is reached, welding is further completed, and after welding is finished, the welding part can be completed by removing the jig body plate.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a laser welding jig, its characterized in that, includes tool main part board (1) and compression spring board (2), cooperation can be dismantled with compression spring board (2) to tool main part board (1), be provided with on tool main part board (1) and carry out the extruded subassembly to the weld part of welding piece, be provided with the elastic component between tool main part board (1) and compression spring board (2), the elastic component application of force is on the extrusion subassembly.

2. The laser welding jig according to claim 1, wherein the extrusion assembly comprises a pressing hole (4) formed in the jig main body plate (1) and a pressing ring (5) slidably engaged with the pressing hole (4), the elastic member applies force to the pressing ring (5), the pressing ring (5) extrudes a welding portion of a welding member, and a through hole (6) for allowing laser to pass through is formed in the pressing ring (5).

3. The laser welding jig according to claim 2, characterized in that the material pressing hole (4) extends towards the material pressing ring (5) to form a blocking portion (7), and the material pressing ring (5) is provided with a limiting portion (8) matched with the blocking portion (7) so as to limit the position of the material pressing ring (5) relative to the material pressing hole (4).

4. The laser welding jig according to claim 3, characterized in that the elastic member is a spring (16), the compression spring plate (2) is provided with a compression groove (9) which is matched with the spring (16) so as to limit the position of the spring (16) in the compression groove (9), and the compression groove (9) is provided with a through hole (10) for passing laser.

5. The laser welding jig according to claim 2, wherein the end surface of the pressing ring (5) near one end of the welding member is higher than the end surface of the jig main body plate (1) near one section of the welding member.

6. The laser welding jig according to claim 3, characterized in that one side of the jig main body plate (1) close to the welding member is provided with a relief groove (11) matched with the welding member.

7. The laser welding jig according to claim 2, wherein the jig main body plate (1) and the compression spring plate (2) are correspondingly provided with positioning holes (12).

8. The laser welding jig according to claim 4, characterized in that one side of the pressing hole (4) close to the compression spring plate (2) is provided with a rounded corner (13).