Laser welding equipment with multiple laser heads

Abstract

The utility model discloses laser welding equipment with multiple laser heads, and relates to the field of laser welding, the top end of a base is fixedly provided with a fixing block, the top end of the fixing block is provided with a fixing groove along the length direction, the cross section of the fixing groove is semicircular, one side of the fixing block is provided with a plurality of supporting seats, and the supporting seats are arranged on the base. Laser welding heads are clamped on the multiple supporting bases, the bottom ends of the multiple laser welding heads face the fixing groove, multiple grooves are formed in the fixing groove in the length direction, and the multiple supporting balls can support a welded metal pipe or metal rod, so that the metal pipe or metal rod is prevented from making direct contact with the inner wall of the fixing groove; heat generated during welding is prevented from being accumulated in the fixing groove and can be discharged from the position between the metal pipe and the inner wall of the fixing groove, meanwhile, if the metal rod or the metal pipe is heavy and placed in the fixing groove, the supporting ball extrudes the spring, the effect of buffering and lowering pressure can be achieved, and collision is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of laser welding, especially a laser welding equipment with multiple laser heads. BACKGROUND

[0002] Laser welding is a kind of high-efficiency precision welding method using high-energy density laser beam as heat source.

[0003] Since the laser welding process belongs to heat conduction type, that is, the workpiece surface is heated by laser radiation, and the surface heat diffuses to the interior through heat conduction, when the metal piece is welded, the heat will gather in the welding area, and the metal piece is generally fixed in the clamp or the corresponding groove, and the heat of the contact area between the metal piece and the clamp is not easy to discharge.

[0004] Therefore, it is necessary to provide a new laser welding equipment with multiple laser heads to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model discloses a laser welding equipment with multiple laser heads, which solves the problem that heat is not easy to discharge in the contact area between the metal piece and the clamp due to the heat conduction type of the laser welding process, that is, the workpiece surface is heated by laser radiation, and the surface heat diffuses to the interior through heat conduction.

[0006] To achieve the above object, the utility model provides the following technical scheme: a laser welding equipment with multiple laser heads, comprising a base, the top of the base is fixed with a fixed block, the fixed block top is along the length direction and is set with fixed slot, the fixed slot cross section is semicircle, the side of the fixed block is provided with a plurality of support seats, a plurality of laser welding heads are clamped on the support seats, and the bottom of the plurality of laser welding heads faces the fixed slot.

[0007] The inside of the fixed slot is provided with a plurality of grooves along the length direction, a spring is fixed at the bottom of the plurality of grooves, a supporting ball is fixed at the top of the spring, and the upper half of the supporting ball protrudes out of the groove.

[0008] Preferably, the inside of the base is provided with a fan, the inside of the fixed block is provided with an air cavity along the length direction, the air outlet of the fan is connected with the inside of the air cavity, and the bottom of the plurality of grooves is communicated with the inside of the air cavity.

[0009] Preferably, the top of the supporting ball is provided with a through hole, the through hole penetrates the bottom of the supporting ball, and the radius of the through hole is smaller than the radius of the groove.

[0010] Preferably, one end of the base is fixedly connected with a pneumatic cylinder, a telescopic end of the pneumatic cylinder is arranged on one side of the base, the telescopic end is fixedly connected with a contact block, and the contact block extends into the inside of the fixed groove.

[0011] Preferably, the support base is rotatably connected with a connecting arm at the top end of the side close to the fixed block, the connecting arm is rotatably connected with a clamping frame at the bottom end, the laser welding head is arranged in the inside of the clamping frame, the support base is fixedly connected with an electric push rod at the side away from the fixed block, the telescopic end of the electric push rod penetrates through the support base and is connected to the bottom end of the clamping frame, and the bottom end of the connecting arm is rotatably connected to the center in the inside of the clamping frame.

[0012] Preferably, the plurality of laser welding heads are higher than the height of the fixed block at the bottom end.

[0013] Preferably, a filter screen is arranged in the through hole.

[0014] The beneficial technical effects of the utility model lie in:

[0015] In the actual operation of the utility model, the plurality of supporting balls can support the welded metal pipe or metal rod, avoid the metal pipe or metal rod directly contacting the inner wall of the fixed groove, avoid the heat generated during welding from accumulating in the inside of the fixed groove, the heat can be discharged from the inner wall between the metal pipe and the fixed groove, and meanwhile, when the weight of the metal rod or metal pipe is heavy, the supporting ball can extrude the spring when being put into the fixed groove, the buffering and pressure reduction effect can be achieved, and the bumping can be reduced.

[0016] When the fan is started, the wind force can pass through the through hole arranged on the supporting ball and directly act on the contacted metal rod, the cooling effect is achieved, and meanwhile, when the wind force is large, the wind force cannot be completely output due to the small through hole, the wind force pushes the supporting ball to rise, and the plurality of supporting balls around the center of the fixed groove on the inner wall can extrude the outside of the metal rod, the effect of clamping and fixing the material is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the laser welding equipment with multiple laser heads of the utility model.

[0018] Figure 2 It is a structural schematic view of the contact block of the utility model.

[0019] Figure 3 It is a structural schematic view of the fan and air cavity of the utility model.

[0020] Figure 4 It is a structural schematic view of the fan and air cavity of the utility model. Figure 3 It is an enlarged schematic view of A in the utility model.

[0021] In the figure: 1, base; 2, fixed block; 3, fixed groove; 4, support ball; 5, air cylinder; 6, abutting block; 7, support seat; 8, clamping frame; 9, electric push rod; 10, connecting arm; 11, fan; 12, air cavity; 13, recess; 14, through port; 15, spring; 16, laser welding head. DETAILED DESCRIPTION

[0022] As Figure 1 - Figure 4 The utility model provides a laser welding equipment with multiple laser heads, including base 1, the top of base 1 is fixed with fixed block 2, the top of fixed block 2 is along the length direction and is set with fixed groove 3, the cross section of fixed groove 3 is semicircle, the side of fixed block 2 is provided with a plurality of support seats 7, a plurality of laser welding heads 16 are clamped on a plurality of support seats 7, and the bottom of a plurality of laser welding heads 16 is towards fixed groove 3;

[0023] Fixed groove 3 can place the metal pipe or metal bar that needs to be welded, when placing is completed, a plurality of laser welding heads 16 can be welded along the length direction of the metal pipe or metal bar, and the welding efficiency is accelerated, and the cross section of fixed groove 3 is semicircle, so that the metal pipe or metal bar can be prevented from rolling during welding.

[0024] The top of the side of support seat 7 close to fixed block 2 is rotatably connected with connecting arm 10, the bottom of connecting arm 10 is rotatably connected with clamping frame 8, laser welding head 16 is installed in the inside of clamping frame 8, electric push rod 9 is fixed on the side of support seat 7 away from fixed block 2, the telescopic end of electric push rod 9 passes through support seat 7 and is connected to the bottom of clamping frame 8 at the end, and the bottom of connecting arm 10 is rotatably connected to the center in the inside of clamping frame 8.

[0025] In the actual operation of the utility model, electric push rod 9 is started, and the telescopic end of electric push rod 9 is extended towards fixed block 2, can drive clamping frame 8 to lift upwards, so as to adjust the orientation angle of the bottom of laser welding head 16, and change the welding angle.

[0026] A plurality of recesses 13 are formed in the inside of fixed groove 3 along the length direction, springs 15 are fixed at the bottom of a plurality of recesses 13, support balls 4 are fixed at the top of springs 15, and the upper half of support balls 4 extends out of recess 13. Support balls 4 are distributed equidistantly around the center of fixed groove 3.

[0027] A fan 11 is arranged in the inside of base 1, an air cavity 12 is formed in the inside of fixed block 2 along the length direction, the air outlet of fan 11 is connected to the inside of air cavity 12, and the bottom of a plurality of recesses 13 is communicated with the inside of air cavity 12.

[0028] A through port 14 is formed at the top of support ball 4, the through port 14 penetrates the bottom of support ball 4, the radius of through port 14 is smaller than the radius of recess 13, and a filter screen is arranged in the inside of through port 14.

[0029] In the actual operation of the utility model, multiple supporting balls 4 can support the welded metal pipe or metal rod, avoid the metal pipe or metal rod directly contacting the inner wall of the fixing groove 3, avoid the heat generated during welding from accumulating inside the fixing groove 3, the heat can be discharged from between the metal pipe and the inner wall of the fixing groove 3, and simultaneously, if the weight of the metal rod or metal pipe is heavy, when being placed into the fixing groove 3, the supporting ball 4 extrudes the spring 15, the buffering and pressure reducing effect can be achieved, and the bumping is reduced.

[0030] Further, when the fan 11 is started, the wind force can pass through the through hole 14 formed on the supporting ball 4 and directly act on the contacted metal rod, the cooling effect is achieved, and simultaneously, when the wind force is large, because the through hole 14 is small, the wind force cannot be completely output, the wind force pushes the supporting ball 4 to rise, and multiple supporting balls 4 around the center of the fixing groove 3 on the inner wall can extrude the outer side of the metal rod, the material fixing effect is achieved.

[0031] One end of the base 1 is fixedly connected with the air cylinder 5, the air cylinder 5 is provided with a telescopic end on the side facing the base 1, the telescopic end is fixedly connected with the abutting block 6, the abutting block 6 extends into the inside of the fixing groove 3, and through starting the air cylinder 5, the abutting block 6 can push the metal rod to move.

[0032] Multiple laser welding heads 16 are higher than the height of the fixing block 2 at the bottom end.

Claims

1. A laser welding device with multiple laser heads, characterized in that: Includes a base (1), a fixing block (2) is fixed at the top of the base (1), a fixing groove (3) is opened at the top of the fixing block (2) along the length direction, the fixing groove (3) has a semi-circular cross-section, a plurality of support seats (7) are provided on one side of the fixing block (2), a laser welding head (16) is clamped on the plurality of support seats (7), the bottom end of the plurality of laser welding heads (16) faces the fixing groove (3); a plurality of grooves (13) are opened inside the fixing groove (3) along the length direction, a spring (15) is fixed at the bottom of the plurality of grooves (13), a support ball (4) is fixed at the top of the spring (15), and the upper half of the support ball (4) extends out of the groove (13).

2. The laser welding equipment with multiple laser heads according to claim 1, characterized in that: The base (1) is equipped with a fan (11), and the fixed block (2) has an air chamber (12) along its length. The air outlet of the fan (11) is connected to the air chamber (12), and the bottom of the multiple grooves (13) is connected to the air chamber (12).

3. The laser welding equipment with multiple laser heads according to claim 1, characterized in that: The top of the support ball (4) is provided with an opening (14), which penetrates the bottom of the support ball (4). The radius of the opening (14) is smaller than the radius of the groove (13).

4. The laser welding equipment with multiple laser heads according to claim 1, characterized in that: A cylinder (5) is fixedly connected to one end of the base (1). The cylinder (5) has a telescopic end on the side facing the base (1). A contact block (6) is fixedly connected to the telescopic end. The contact block (6) extends into the interior of the fixing groove (3).

5. The laser welding equipment with multiple laser heads according to claim 1, characterized in that: The top of the support base (7) near the fixed block (2) is rotatably connected to a connecting arm (10), and the bottom of the connecting arm (10) is rotatably connected to a clamping frame (8). The laser welding head (16) is installed inside the clamping frame (8). An electric push rod (9) is fixed on the side of the support base (7) away from the fixed block (2). The telescopic end of the electric push rod (9) passes through the support base (7) and is connected to the bottom of the clamping frame (8). The bottom of the connecting arm (10) is rotatably connected to the center inside the clamping frame (8).

6. The laser welding equipment with multiple laser heads according to claim 1, characterized in that: The bottom of multiple laser welding heads (16) is higher than the height of the fixed block (2).

7. The laser welding equipment with multiple laser heads according to claim 3, characterized in that: A filter screen is installed inside the opening (14).

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