Laser cladding nozzle

Abstract

The utility model discloses a laser cladding sprayer, and relates to the technical field of laser cladding sprayers. The laser spraying device comprises a laser generator and a spraying head, the laser generator is located above the spraying head, the spraying head is provided with pipeline connectors distributed in a rectangular array mode, the bottom end of the laser generator is provided with a lens assembly, and an installation assembly is arranged between the laser generator and the spraying head. The gear rotates to move on the toothed plate, the gear drives the connecting plate to move through the U-shaped plate, the connecting plate drives the placing box to move, the placing box drives the condensing lens to move, and then the focal length is adjusted, so that the situation that the focal length is inconvenient to adjust can be avoided, and the purpose of improving efficiency is achieved. By inserting the mounting rod into the slot, driving the steel ball to be aligned with the positioning groove by the mounting rod, and driving the steel ball to be clamped into the positioning groove by the elastic force of the reset spring, the mounting rod is fixed by the steel ball to mount the spray head, so that the complicated mounting of the spray head can be avoided, and the purpose of improving the mounting efficiency is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser fusion coating spray head technical field, concretely is a kind of laser fusion coating spray head. BACKGROUND

[0002] Laser cladding spray head is the key component in laser cladding equipment. Laser cladding is a surface modification technique, by adding cladding material on the substrate surface, and using high-energy laser beam as heat source to make cladding material melt, form metallurgical bonding with substrate surface, so as to improve the performance of substrate surface. The main function of laser cladding spray head is to accurately deliver cladding material to the laser action area, while ensuring that the cladding material can be evenly distributed and well matched with the laser beam, to realize high-quality cladding process;

[0003] In the processing of laser cladding, multi-layer cladding is often carried out. The focusing lens of the existing laser cladding spray head is mostly fixedly installed. When multi-layer cladding is carried out, the focusing lens needs to be adjusted after stopping the machine. However, such adjustment of focal length is not only cumbersome to operate, but also low in efficiency, thereby affecting the processing progress. UTILITY MODEL CONTENT

[0004] In order to solve the problem that stopping the machine to adjust the focal length is not only cumbersome to operate but also low in efficiency, the utility model aims to provide a laser fusion coating spray head.

[0005] The utility model discloses a laser fusion covering spray head, including laser generator and spray head, the laser generator is located the top of spray head, be provided with the pipeline joint of rectangular array distribution on the spray head, the bottom of laser generator is provided with lens assembly, be provided with mounting assembly between laser generator and spray head, the lens assembly includes installation box, the top of installation box is fixedly installed in the bottom of laser generator, the bottom of installation box generates in the spray head, the middle part of installation box is equipped with the light tunnel, the inside slide of light tunnel is equipped with the placing box, the inside of placing box is placed with condenser lens, the inner wall of light tunnel is equipped with the guide groove of symmetry distribution, the bottom of placing box is fixedly equipped with the connecting plate of symmetry distribution, the one end of connecting plate is inserted in the guide groove away from placing box, one end of connecting plate is fixedly equipped with U shape board, the inside of U shape board is equipped with gear, the outside of gear is engaged with the toothed plate, the toothed plate is fixedly installed in the inner wall fixed connection of guide groove, moves on the toothed plate through gear rotation, and gear moves through U shape board connecting plate, and connecting plate moves placing box, and make placing box drive condenser lens moves, and then focus is adjusted, so can avoid the inconvenience of adjusting focus, the inside slide of guide groove away from gear is equipped with sliding block, one end of sliding block with one end of connecting plate is fixedly connected, the inside fixedly equipped with fixed link of guide groove, one end of fixed link is movably penetrated sliding block, and the connecting plate can be conveniently moved through the sliding block, and the fixed link keeps the sliding block stable, the inner wall of guide groove close to toothed plate is equipped with the sliding slot, the inside slide of sliding slot is equipped with the sliding rod, one end of sliding rod with the outside fixed connection of U shape board, the middle part fixedly penetrated of gear has the pivot, and one end of pivot is rotatably installed in the inner wall of U shape board, and the pivot keeps gear rotation, the top of placing box is screwed with gland, the bottom of gland is pasted with condenser lens, the upper surface of gland is fixedly equipped with the symmetric distribution of the knob, and the knob can conveniently rotate the gland, and the condenser lens can be fixed through the gland, the outside fixedly equipped with motor of U shape board, and the end of motor output shaft is movably penetrated U shape board and with one end of pivot is fixedly connected, and the motor can provide power for pivot rotation.

[0006] Preferably, the mounting assembly includes mounting rods symmetrically distributed and fixedly mounted on the upper surface of the nozzle. The upper surface of the laser generator has symmetrically distributed slots. One end of each mounting rod is movably inserted into a slot. A groove is formed on the outer side of the mounting rod, and a steel ball is slidably disposed inside the groove. A positioning groove is formed on the inner wall of the slot, and the outer side of the steel ball is movably engaged in the positioning groove. A return spring is fixedly provided on the inner wall of the groove, with one end of the return spring abutting against the outer side of the steel ball. By inserting the mounting rod into the slot, the steel ball is moved into the groove by the squeezing force inside the slot. The return spring's elasticity causes the steel ball to engage in the positioning groove, thus fixing the steel ball to the mounting rod. This allows for quick nozzle installation. The opening of the groove is smaller than the diameter of the steel ball to prevent the steel ball from easily detaching from the groove.

[0007] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0008] 1. The gear rotates and moves on the gear plate. The gear drives the connecting plate to move through the U-shaped plate. The connecting plate drives the placement box to move, which in turn drives the condenser lens to move, thereby adjusting the focal length. This avoids the inconvenience of adjusting the focal length and thus improves efficiency.

[0009] 2. By inserting the mounting rod into the slot, the mounting rod drives the steel ball to align with the positioning groove. The return spring force drives the steel ball to lock into the positioning groove, so that the steel ball fixes the mounting rod and installs the nozzle. This can avoid the cumbersome installation of the nozzle, thereby improving the installation efficiency. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 This is a cross-sectional schematic diagram of the lens assembly structure of this utility model.

[0013] Figure 3 This is a schematic cross-sectional view of the structure of this utility model.

[0014] Figure 4 for Figure 3 Enlarged view of the structure of A in the middle.

[0015] Figure 5The utility model discloses a U-shaped plate and connecting structure thereof.

[0016] In the figure: 1, laser generator;2, lens assembly;21, installation box;22, light hole;23, guide groove;24, place box;25, condenser lens;26, connecting plate;27, U-shaped plate;28, gear;29, toothed plate;210, sliding block;211, fixed rod;212, sliding groove;213, sliding rod;214, rotating shaft;215, gland;216, push block;217, motor;3, spray head;4, installation assembly;41, installation rod;42, slot;43, recess;44, return spring;45, steel ball;46, positioning groove;5, pipeline joint. DETAILED DESCRIPTION

[0017] 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 work fall within the protection scope of the utility model.

[0018] Embodiment: as Figures 1-5The utility model provides a kind of laser cladding spray head, including laser generator 1 and spray head 3, laser generator 1 is located above spray head 3, spray head 3 is provided with the pipeline joint 5 of rectangular array distribution, the bottom end of laser generator 1 is provided with lens assembly 2, installation assembly 4 is arranged between laser generator 1 and spray head 3, and laser cladding material can be transported into spray head 3 by pipeline joint 5 by conveying pipe, and laser cladding material is sprayed to workpiece by spray head 3, laser generator 1 can emit laser, and laser is gathered by condenser lens 25 and is irradiated on laser cladding material by passing through the middle part of spray head 3, so that laser cladding material is cladded on workpiece;Lens assembly 2 includes installation box 21, the top end of installation box 21 is fixedly installed at the bottom end of laser generator 1, the bottom end of installation box 21 is generated in spray head 3, the middle part of installation box 21 is equipped with light hole 22, the inside of light hole 22 is slidably provided with placing box 24, condenser lens 25 is placed in the inside of placing box 24, the inner wall of light hole 22 is equipped with symmetrically distributed guide groove 23, the bottom end of placing box 24 is fixedly provided with symmetrically distributed connecting plate 26, one end of connecting plate 26 away from placing box 24 is inserted in guide groove 23, one end of one of connecting plate 26 is fixedly provided with U-shaped plate 27, U-shaped plate 27 is provided with gear 28 in the inside, gear 28 is engaged with toothed plate 29 on the outside, toothed plate 29 is fixedly installed on the inner wall of guide groove 23 and is fixedly connected, gear 28 moves on toothed plate 29 by rotating, gear 28 moves connecting plate 26 by U-shaped plate 27, connecting plate 26 drives placing box 24 to move, so that placing box 24 drives condenser lens 25 to move, and then the focal length is adjusted, so that the focal length can be conveniently adjusted, the inside of guide groove 23 away from gear 28 is slidably provided with sliding block 210, one end of sliding block 210 is fixedly connected with one end of connecting plate 26, fixed rod 211 is fixedly provided in the inside of guide groove 23, one end of fixed rod 211 movably penetrates sliding block 210, sliding block 210 can conveniently drive connecting plate 26 to move, and fixed rod 211 keeps sliding block 210 stable, the inner wall of guide groove 23 close to toothed plate 29 is equipped with sliding groove 212, sliding groove 212 is slidably provided with sliding rod 213, one end of sliding rod 213 is fixedly connected with the outside of U-shaped plate 27, rotating shaft 214 is fixedly penetrated in the middle part of gear 28, one end of rotating shaft 214 is rotatably installed on the inner wall of U-shaped plate 27, and rotating shaft 214 keeps gear 28 rotating by rotating, the top end of placing box 24 is screwedly connected with gland 215, the bottom of gland 215 is attached with condenser lens 25, symmetrically distributed poking block 216 is fixedly arranged on the upper surface of gland 215, and gland 215 can be conveniently rotated by poking block 216, and condenser lens 25 can be fixed by gland 215, motor 217 is fixedly arranged on the outside of U-shaped plate 27, and the end of motor 217 output shaft movably penetrates U-shaped plate 27 and is fixedly connected with one end of rotating shaft 214, and motor 217 can provide power for rotating shaft 214 to rotate.

[0019] The mounting assembly 4 comprises mounting rods 41 symmetrically arranged and fixedly mounted on the upper surface of the spray head 3, the upper surface of the laser generator 1 is provided with symmetrically arranged insertion grooves 42, one end of the mounting rod 41 is movably inserted into the insertion groove 42, the outer side of the mounting rod 41 is provided with a groove 43, a steel ball 45 is slidably arranged in the groove 43, the inner wall of the insertion groove 42 is provided with a positioning groove 46, the outer side of the steel ball 45 is movably clamped in the positioning groove 46, the inner wall of the groove 43 is fixedly provided with a return spring 44, one end of the return spring 44 is in contact with the outer side of the steel ball 45, by inserting the mounting rod 41 into the insertion groove 42, the steel ball 45 is moved into the groove 43 by the extrusion force of the insertion groove 42, the return spring 44 drives the steel ball 45 to be clamped into the positioning groove 46, so that the steel ball 45 fixes the mounting rod 41, so that the spray head 3 can be quickly mounted, and the opening of the groove 43 is smaller than the diameter of the steel ball 45, so that the steel ball 45 cannot easily fall out of the groove 43.

[0020] Working principle: when the spray head 3 is mounted, the mounting rod 41 is inserted into the insertion groove 42, the steel ball 45 is moved into the groove 43 by the extrusion force of the insertion groove 42, the steel ball 45 compresses the return spring 44, the return spring 44 generates elastic force, the mounting rod 41 drives the steel ball 45 to be aligned with the positioning groove 46, the return spring 44 drives the steel ball 45 to be clamped into the positioning groove 46, so that the steel ball 45 fixes the mounting rod 41, and then the spray head 3 is mounted, so that the spray head 3 can be quickly mounted;

[0021] When the focal length needs to be adjusted, the motor 217 is started, so that the motor 217 starts to work, the end of the output shaft of the motor 217 drives the rotating shaft 214 to rotate, the rotating shaft 214 drives the gear 28 to rotate, the gear 28 moves on the toothed plate 29, the gear 28 drives the connecting plate 26 to move through the U-shaped plate 27, and the U-shaped plate 27 is kept stable by the sliding rod 213 moving in the sliding groove 212, the connecting plate 26 drives the placing box 24 to move, so that the placing box 24 drives the condenser lens 25 to move, and then the focal length is adjusted, so that the focal length can be conveniently adjusted;

[0022] When the cladding processing is needed, the conveying pipe delivers the cladding material to the spray head 3 through the pipe joint 5, the spray head 3 sprays the cladding material to the workpiece, and the laser generator 1 emits laser, the laser is collected by the condenser lens 25, passes through the middle part of the spray head 3 and irradiates on the synchronously sprayed cladding material, so that the cladding material is cladded on the workpiece, so that the cladding processing can be realized.

[0023] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application belong to the scope of the claims of the present application and the equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A laser cladding nozzle comprising a laser generator (1) and a nozzle (3), characterized in that: The laser generator (1) is located above the spray head (3), the spray head (3) is provided with pipeline joints (5) distributed in a rectangular array, the bottom end of the laser generator (1) is provided with a lens assembly (2), and the laser generator (1) and the spray head (3) are provided with a mounting assembly (4); the lens assembly (2) comprises a mounting box (21), the top end of the mounting box (21) is fixedly installed at the bottom end of the laser generator (1), the bottom end of the mounting box (21) is arranged in the spray head (3), a light transmission hole (22) is formed in the middle part of the mounting box (21), a placing box (24) is slidably arranged in the light transmission hole (22), a condenser lens (25) is arranged in the placing box (24), symmetrically distributed guide grooves (23) are formed in the inner wall of the light transmission hole (22), symmetrically distributed connecting plates (26) are fixedly arranged at the bottom end of the placing box (24), one end of the connecting plate (26) away from the placing box (24) is inserted into the guide groove (23), and one end of one of the connecting plates (26) is fixedly provided with a U-shaped plate (27).

2. A laser fusion deposition head as claimed in claim 1, wherein, The mounting assembly (4) comprises a mounting rod (41), the mounting rod (41) is symmetrically distributed and fixedly installed on the upper surface of the spray head (3), symmetrically distributed insertion grooves (42) are formed in the upper surface of the laser generator (1), one end of the mounting rod (41) is movably inserted into the insertion groove (42), a groove (43) is formed in the outer side of the mounting rod (41), a steel ball (45) is slidably arranged in the groove (43), a positioning groove (46) is formed in the inner wall of the insertion groove (42), the outer side of the steel ball (45) is movably clamped in the positioning groove (46), and a return spring (44) is fixedly arranged on the inner wall of the groove (43).

3. The laser fusion deposition head of claim 1, wherein, A sliding block (210) is slidably arranged in the guide groove (23) away from the gear (28), one end of the sliding block (210) is fixedly connected with one end of the connecting plate (26), and a fixed rod (211) is fixedly arranged in the guide groove (23).

4. The laser fusion deposition head of claim 1, wherein, A sliding groove (212) is formed in the inner wall of the guide groove (23) close to the gear (28), a sliding rod (213) is slidably arranged in the sliding groove (212), and one end of the sliding rod (213) is fixedly connected with the outer side of the U-shaped plate (27).

5. The laser fusion deposition head of claim 1, wherein, A rotating shaft (214) is fixedly penetrated in the middle part of the gear (28), and one end of the rotating shaft (214) is rotatably installed on the inner wall of the U-shaped plate (27).

6. The laser fusion deposition head of claim 1, wherein, The top end of the placing box (24) is threadedly connected with a cover (215), the bottom of the cover (215) is attached to a condensing lens (25), and the upper surface of the cover (215) is fixedly provided with symmetrically distributed shifting blocks (216).

7. A laser fusion deposition head as claimed in claim 5, wherein, The outer side of the U-shaped plate (27) is fixedly provided with a motor (217), the end of the output shaft of the motor (217) is movably penetrated through the U-shaped plate (27) and is fixedly connected with one end of the rotating shaft (214).

8. The laser fusion deposition head of claim 2, wherein, The opening of the groove (43) is smaller than the diameter of the steel ball (45).

Images