Laser cladding single pipe cooling device

Abstract

The utility model discloses a laser cladding single pipe cooling device which can stably clamp a single pipe through the design of a clamping anti-skid groove, so that the single pipe is prevented from sliding in the laser cladding process, and the machining precision and safety are ensured. According to the laser cladding single tube cooling device, the clamping steel balls are combined with the ball grooves, so that the possibility of rotating clamping is provided for a single tube, the single tube can rotate in the cladding process, and therefore the uniformity and quality of a cladding layer are guaranteed, effective heat dissipation of the interior of the single tube is achieved through the application of the vortex tube, and even if the single tube rotates, the single tube can be effectively cooled. According to the laser cladding single pipe cooling device, heat dissipation can be continuously carried out, the temperature of a cladding layer is effectively controlled, the cooling efficiency of the cladding layer is improved, through the design of the height adjusting screw and the nut, the height of the cooling device can be adjusted according to the size and cladding requirements of the single pipe, and adaptability to the single pipes with different diameters and lengths is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cladding technical field, concretely is a kind of laser cladding single pipe cooling device. BACKGROUND

[0002] In prior art, laser cladding is an advanced surface modification technology, it utilizes high-energy-density laser beam to the workpiece surface and carries out rapid heating, so that surface coating material and the surface layer of matrix material are melted, then rapidly cool to form cladding layer.This technology is widely used in various industrial fields, especially in the surface treatment of single pipe material, laser cladding can effectively improve the wear resistance, corrosion resistance and fatigue resistance of material.

[0003] However, high temperature generated in laser cladding process can adversely affect the performance of pipe material, resulting in material performance degradation, so effective cooling technology is needed to control the temperature of cladding layer.The traditional cooling method usually involves complex external cooling system, which not only increases the complexity of equipment, but also the cooling efficiency is limited by the distance and contact effect between system and cladding layer.In order to solve these problems, an integrated single pipe cooling device is developed, which can be directly connected with laser cladding device and provide efficient cooling effect, which is of great significance to improve the quality of single pipe material laser cladding. SUMMARY

[0004] The utility model aims at providing a kind of laser cladding single pipe cooling device to solve the problems of prior art proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme, a kind of laser cladding single pipe cooling device, including chuck, bearing, vortex tube and base;

[0006] Three groups of movable clamping claws are movably arranged on the chuck, the movable clamping claws are provided with clamping anti-skid grooves and rotation auxiliary grooves on the surfaces, two groups of ball grooves are formed in the inner walls of the rotation auxiliary grooves, clamping steel balls are movably arranged in the ball grooves, and a mounting groove is formed in the side of the chuck close to the vortex tube;

[0007] The bearing is mounted in the mounting groove;

[0008] One end of the vortex tube is provided with a cold end outlet, and the cold end outlet is fixed in the inner ring of the bearing;

[0009] The base is arranged at the bottom of the chuck and the vortex tube, and the base is fixedly connected with the vortex tube, a support frame is arranged at the top of the base away from the chuck, a frame groove is formed in the inner side of the support frame, two groups of height-adjusting screws are fixedly connected to the bottom of the support frame, the height-adjusting screws are inserted into the base, and nuts are connected to the surfaces of the height-adjusting screws through thread structures.

[0010] Preferably, the clamping anti-skid grooves are equidistantly spaced in several groups, and the depth of the clamping anti-skid grooves is less than the depth of the rotating auxiliary grooves.

[0011] Preferably, the opening width of the ball groove is less than the diameter length of the clamping steel ball, and the center of the clamping steel ball is located in the ball groove.

[0012] Preferably, the rack groove is arranged along the width extension direction of the support rack, and the width of the rack groove is regularly decreased from top to bottom.

[0013] Preferably, the base is provided with an operation groove near one side of the support rack, and the height-adjusting screw and the nut are arranged in the operation groove.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1. The laser cladding single pipe cooling device is capable of stably clamping the single pipe through the design of the clamping anti-skid grooves, prevents the single pipe from sliding in the laser cladding process, and guarantees the machining precision and safety.

[0016] 2. The laser cladding single pipe cooling device provides the possibility of rotating clamping for the single pipe through the combination of the clamping steel ball and the ball groove, so that the single pipe can rotate in the cladding process, thereby guaranteeing the uniformity and quality of the cladding layer.

[0017] 3. The laser cladding single pipe cooling device realizes effective heat dissipation inside the single pipe through the application of the eddy current pipe, can continuously dissipate heat even when the single pipe rotates, effectively controls the temperature of the cladding layer, and improves the cooling efficiency of the cladding layer.

[0018] 4. The laser cladding single pipe cooling device can adjust the height of the cooling device according to the size of the single pipe and the cladding requirement, and realizes the adaptability to single pipes with different diameters and lengths through the design of the height-adjusting screw and the nut. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the laser cladding single pipe cooling device.

[0020] Figure 2 It is a structural schematic view of the chuck of the laser cladding single pipe cooling device.

[0021] Figure 3 It is another structural schematic view of the chuck of the laser cladding single pipe cooling device.

[0022] Figure 4 It is the laser cladding single pipe cooling device. Figure 3 It is an enlarged view of A in the laser cladding single pipe cooling device.

[0023] Figure 5 is a side view of the laser cladding single-tube cooling device of the utility model;

[0024] Figure 6 is a structure schematic view of embodiment 3 of the laser cladding single-tube cooling device of the utility model.

[0025] In the drawing:

[0026] 1, chuck; 2, bearing; 3, vortex tube; 4, movable clamping jaw;

[0027] 5, clamping anti-skid groove; 6, rotation auxiliary groove; 7, ball groove; 8, clamping steel ball;

[0028] 9, mounting groove; 10, cold end outlet; 11, base; 12, support frame;

[0029] 13, frame groove; 14, height-adjusting screw; 15, nut; 16, operation groove. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0031] In the description of the utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0032] In the description of the utility model, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Embodiment 1

[0033] Please refer to Figures 2-5 The utility model provides a technical scheme: a laser cladding single pipe cooling device, including chuck 1, bearing 2, vortex pipe 3 and base 11.

[0034] Three groups of movable clamping jaws 4 are movably arranged on the chuck 1, the movable clamping jaws 4 are provided with clamping anti-skid grooves 5 and rotation auxiliary grooves 6 on the surfaces, two groups of ball grooves 7 are formed in the inner walls of the rotation auxiliary grooves 6, clamping steel balls 8 are movably arranged in the ball grooves 7, and a mounting groove 9 is formed in the side of the chuck 1 close to the vortex pipe 3.

[0035] Specifically, the chuck 1 is prior art, the chuck 1 can be a pneumatic chuck or a manual handle controlled chuck, the combination of the chuck 1 and the movable clamping jaws 4 provides stable clamping capacity, and the accuracy and repeatability in the machining process are ensured.

[0036] The clamping anti-skid grooves 5 are equidistantly spaced, and the depth of the clamping anti-skid grooves 5 is less than the depth of the rotation auxiliary grooves 6.

[0037] The opening width of the ball groove 7 is less than the diameter length of the clamping steel ball 8, and the center of the clamping steel ball 8 is located in the ball groove 7.

[0038] The bearing 2 is installed in the mounting groove 9.

[0039] One end of the vortex pipe 3 is provided with a cold end outlet 10, and the cold end outlet 10 is fixed in the inner ring of the bearing 2.

[0040] Specifically, through the application of the vortex pipe 3, effective heat dissipation of the single pipe is realized, even when the single pipe rotates, the heat dissipation can be continuously carried out, the temperature of the cladding layer is effectively controlled, and the cooling efficiency of the cladding layer is improved. Embodiment 2

[0041] The same parts as in embodiment 1 are not repeated here.

[0042] Please refer to Figure 1The base 11 is arranged at the bottom of the chuck 1 and the vortex tube 3, and the base 11 is fixedly connected with the vortex tube 3, the top of the base 11 is provided with a support frame 12 away from the chuck 1, the inside of the support frame 12 is provided with a frame groove 13, and the bottom of the support frame 12 is fixedly connected with two groups of height adjusting screws 14 which are inserted into the base 11 and are connected with nuts 15 through thread structure.

[0043] The frame groove 13 is arranged along the width extension direction of the support frame 12, and the width of the frame groove 13 decreases regularly from top to bottom.

[0044] The base 11 is arranged at the bottom of the chuck 1 and the vortex tube 3, and the base 11 is fixedly connected with the vortex tube 3, the top of the base 11 is provided with a support frame 12 away from the chuck 1, the inside of the support frame 12 is provided with a frame groove 13, and the bottom of the support frame 12 is fixedly connected with two groups of height adjusting screws 14 which are inserted into the base 11 and are connected with nuts 15 through thread structure.

[0045] Specifically, in use, the chuck 1 can be fixed on the top of the base 11, according to the actual size of the single tube, the single tube can be placed in the frame groove 13, and one end of the single tube is placed in the inside of the chuck 1, the clamping anti-skid groove 5 of the movable jaw 4 is in contact with the surface of the single tube, so as to fix the single tube, and the height position of the support frame 12 is adjusted by the height adjusting screw 14, so that the single tube is in stable contact with the inner wall of the frame groove 13, and then the height adjusting screw 14 is fixed by the nut 15, so that the single tube is stably supported by the support frame 12, the compressed gas is introduced from the top gas inlet of the vortex tube 3, and the cooling gas is delivered to the inside of the single tube through the cold end outlet 10, so as to realize effective heat dissipation of the inside of the single tube, and in the processing process, the movable jaw 4 can be slightly loosened, the single tube can be moved to the rotating auxiliary groove 6, and then the movable jaw 4 is clamped again, so that the six groups of clamping steel balls 8 are in contact with the surface of the single tube, and the single tube can be rotated by the action of the clamping steel balls 8, and the single tube can be continuously cooled by the vortex tube 3 even when it rotates. Example 3

[0046] The same parts as examples 1 and 2 are not described here.

[0047] Please refer to Figure 6 A laser cladding single tube cooling device, comprising a chuck 1, a bearing 2 and a vortex tube 3.

[0048] The chuck 1 is movably provided with three groups of movable clamping claws 4, the surface of the movable clamping claw 4 is provided with a clamping anti-skid groove 5 and a rotating auxiliary groove 6, two groups of ball grooves 7 are formed in the inner wall of the rotating auxiliary groove 6, a clamping steel ball 8 is movably arranged in the ball groove 7, and the chuck 1 is provided with a mounting groove 9 near one side of the vortex tube 3.

[0049] The bearing 2 is mounted in the mounting groove 9.

[0050] One end of the vortex tube 3 is provided with a cold end outlet 10, and the cold end outlet 10 is fixed in the inner ring of the bearing 2.

[0051] Specifically, the chuck 1 and the vortex tube 3 are rotationally connected through the bearing 2, the chuck 1 and the vortex tube 3 can be movably taken according to actual use requirements, the use convenience is improved, in use, the chuck 1 and the vortex tube 3 can be moved and controlled by the worker, after the compressed gas is introduced from the top gas inlet of the vortex tube 3, the cooling gas is delivered to the inner side of the single tube through the cold end outlet 10, so that the effective heat dissipation of the inside of the single tube is realized, the single tube can be rotated through the action of the clamping steel ball 8, and even when the single tube rotates, the single tube can be continuously heat-dissipated through the vortex tube 3.

[0052] Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or part of the technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A laser cladding single tube cooling device, characterized in that: It includes chuck (1), bearing (2), eddy tube (3) and base (11); Three groups of movable clamping claws (4) are movably arranged on the chuck (1), the surface of the movable clamping claws (4) is provided with clamping anti-skid grooves (5) and rotation auxiliary grooves (6), two groups of ball grooves (7) are arranged on the inner wall of the rotation auxiliary grooves (6), clamping steel balls (8) are movably arranged in the ball grooves (7), and a mounting groove (9) is arranged on the side of the chuck (1) close to the eddy tube (3); The bearing (2) is mounted in the mounting groove (9); One end of the eddy tube (3) is provided with a cold end outlet (10), and the cold end outlet (10) is fixed in the inner ring of the bearing (2).

2. The laser cladding single tube cooling device according to claim 1, characterized in that: The clamping anti-skid grooves (5) are equidistantly spaced, and the depth of the clamping anti-skid grooves (5) is less than the depth of the rotation auxiliary grooves (6).

3. The laser cladding single tube cooling device of claim 1, wherein: The opening width of the ball groove (7) is less than the diameter length of the clamping steel ball (8), and the center of the clamping steel ball (8) is located in the ball groove (7).

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