CN115074727B

CN115074727B - Laser cladding atmosphere protection device

Info

Publication number: CN115074727B
Application number: CN202210776273.XA
Authority: CN
Inventors: 吴孝泉; 张道达; 丁莉; 黄飞腾; 杨瑞锋; 刘泽宇
Original assignee: Jiangxi Technical College Of Manufacturing
Current assignee: Jiangxi Technical College Of Manufacturing
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2023-04-18
Anticipated expiration: 2042-06-30
Also published as: CN115074727A

Abstract

The invention relates to a protection device, in particular to a laser cladding atmosphere protection device. Provided is a laser cladding atmosphere protection device capable of automatically spraying argon. The utility model provides a laser cladding atmosphere protection device, is including laser cladding head, organism, operation screen, protection casing, base, placement mechanism and the mechanism that admits air, and the right wall sliding type is connected with the laser cladding head in the organism, and organism lower part left side is connected with the operation screen, and the organism left part is connected with the protection casing, and the bottom is connected with the base in the organism, is equipped with placement mechanism on the base, is equipped with the mechanism that admits air on the base. According to the invention, the workbench is in contact with the gas guide clamping ball, so that the gas guide clamping ball can be communicated with the flow dividing pipe and the argon inlet, the effect of automatically spraying argon is realized after the workpiece reaches the designated position, and the argon does not need to be manually added.

Description

Laser cladding atmosphere protection device

Technical Field

The invention relates to a protection device, in particular to a laser cladding atmosphere protection device.

Background

Laser cladding is a process method for quickly fusing external materials into a whole after laser hot melting radiation in a mode of synchronously or placing the materials in advance, has strong binding force, and can improve the wear-resisting, corrosion-resisting, heat-resisting and oxidation-resisting capacities of the surfaces of raw materials.

Therefore, a laser cladding atmosphere protection device capable of automatically spraying argon gas is developed.

Disclosure of Invention

In order to overcome the defects that the prior device is difficult to master the addition amount and the addition time of argon and the laser cladding can cause defects, the invention has the technical problems that: provided is a laser cladding atmosphere protection device capable of automatically spraying argon.

The technical implementation scheme of the invention is as follows: the utility model provides a laser cladding atmosphere protection device, is including laser cladding head, organism, operation screen, protection casing, base, placement machine structure and the mechanism of admitting air, and right wall sliding type is connected with the laser cladding head in the organism, and organism lower part left side is connected with the operation screen, and the organism left part is connected with the protection casing, and the bottom is connected with the base in the organism, is equipped with the placement machine structure that is used for placing the work piece on the base, is equipped with the mechanism of admitting air that is used for the blowout argon gas on the base.

In a preferred embodiment of the invention, the placing mechanism comprises a workbench, a table plate, a connecting shaft, a sliding sleeve frame, a limiting sleeve and a first guide post, the top of the base is connected with the workbench in a sliding manner, the first guide post is connected with the front part in the base, the limiting sleeve is connected on the first guide post in a sliding manner, the top of the limiting sleeve is connected with the connecting shaft, the top of the connecting shaft is connected with the sliding sleeve frame, the sliding sleeve frame is connected with the workbench in a sliding manner, and the top of the sliding sleeve frame is connected with the table plate.

In a preferred embodiment of the invention, the air inlet mechanism comprises a spray head, a shunt pipe, an air guide clamping ball and a first spring, the spray head is uniformly distributed on the right wall in the workbench, the shunt pipe is connected between the sides of the spray heads far away from each other, the shunt pipe is embedded in the workbench, the air guide clamping ball is connected on the right part of the base in a sliding manner, the first spring is connected between the air guide clamping ball and the base, and the first spring is wound on the air guide clamping ball.

In a preferred embodiment of the invention, the movable mechanism further comprises a moving mechanism, the moving mechanism comprises a guide rail, sliding fixture blocks, balls and pulleys, the bottom in the base is connected with the guide rail in bilateral symmetry, the bottom of the workbench is connected with the sliding fixture blocks, the sliding fixture blocks are four in number, each sliding fixture block comprises two opposite sliding fixture blocks, two groups of sliding fixture blocks in bilateral symmetry are distributed on the lower side of the front part of the workbench, two groups of sliding fixture blocks in bilateral symmetry are also distributed on the lower side of the rear part of the workbench, the two fixture blocks on the left side are both connected with the guide rail on the left side in a sliding manner, the sliding fixture blocks on the right side are both connected with the guide rail on the right side in a sliding manner, the balls are rotatably connected between the sliding fixture blocks of each group, the pulleys are rotatably connected on the left side and the right side of the workbench, and the pulleys are both connected with the base in a sliding manner.

In a preferred embodiment of the invention, the clamping device further comprises a clamping mechanism, the clamping mechanism comprises a limiting block, a second spring, a third spring, a second guide post, a lower pressure rod and a third guide post, the upper side of the right part of the base is connected with the second guide post which is symmetrical front and back, the second guide post is connected with a limiting block, the limiting block can be clamped with the workbench, the second spring is connected between the limiting block and the base, the second spring is wound on the second guide post, the lower pressure rod is connected between the second guide posts in a sliding manner, the third spring is connected between the lower pressure rod and the limiting block, the third spring is wound on the second guide post, the upper side of the right part of the base is connected with the third guide post which is symmetrical front and back, the third guide post is positioned between the second guide posts, and the third guide post is connected with the lower pressure rod in a sliding manner.

In a preferred embodiment of the invention, the protection cover further comprises a handle and a glass door plate, the left part of the protection cover is rotatably provided with the glass door plate, and the left side of the glass door plate is connected with the handle.

In a preferred embodiment of the invention, the laser cladding head further comprises a dust guard and fourth springs, the front side and the rear side of the laser cladding head are respectively connected with the fourth springs, the upper ends of the fourth springs are wound on the laser cladding head, and the dust guard is connected between the bottom ends of the fourth springs.

In a preferred embodiment of the invention, the glass door panel has a thickness in the range of 1-2cm.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the workbench is contacted with the air guide clamping ball, so that the air guide clamping ball can be communicated with the flow dividing pipe and the argon inlet, the effect of automatically spraying argon is realized after the workpiece reaches the designated position, and the argon does not need to be manually added.

2. The sliding friction force is reduced through the balls and the pulleys, so that an operator can pull the workbench more easily, and the working labor consumption of the operator is reduced.

3. According to the invention, the lower pressure rod is extruded through the laser cladding head, so that the limiting blocks slide downwards and are clamped with the workbench, and the workbench is locked and fixed and cannot slide when the laser cladding head is in a working state.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is a schematic perspective view of the placement mechanism of the present invention.

Fig. 4 is a perspective sectional view of the placement mechanism of the present invention.

Fig. 5 is a sectional view showing a first three-dimensional structure of the intake mechanism of the present invention.

Fig. 6 is a sectional view of a second three-dimensional structure of the intake mechanism of the present invention.

Fig. 7 is a partial perspective view of the moving mechanism of the present invention.

Fig. 8 is an exploded sectional view of a three-dimensional structure of the moving mechanism of the present invention.

Fig. 9 is a schematic perspective view of the locking mechanism of the present invention.

FIG. 10 is a perspective view of the door panel and the handle of the present invention.

Fig. 11 is a schematic perspective view of the dust guard of the present invention.

Wherein the figures include the following reference numerals: 1. the laser cladding head comprises a laser cladding head body 11, a machine body 12, an operation screen 13, a protective cover 14, a base 2, a placing mechanism 20, a workbench 21, a platen 22, a connecting shaft 23, a sliding sleeve frame 24, a limiting sleeve 25, a first guide column 3, an air inlet mechanism 30, a spray head 31, a shunt pipe 32, an air guide clamping ball 33, a first spring 4, a moving mechanism 40, a guide rail 41, a sliding clamping block 42, a ball 43, a pulley 5, a clamping mechanism 50, a limiting block 51, a second spring 52, a third spring 53, a second guide column 54, a lower pressing rod 55, a third guide column 6, a handle 61, a glass door plate 7, a dustproof plate 71 and a fourth spring.

Detailed Description

It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.

The utility model provides a laser cladding atmosphere protection device, as shown in fig. 1 and fig. 2, including laser cladding head 1, organism 11, operation screen 12, protection casing 13, base 14, placing mechanism 2 and mechanism 3 admits air, right wall sliding connection has laser cladding head 1 in the organism 11, laser cladding head 1 can release laser and clad the work piece, 11 lower part left sides of organism are connected with operation screen 12, operation screen 12 is used for controlling means to carry out work, 11 left parts of organism are connected with protection casing 13, be used for protecting operating personnel, the bottom is connected with base 14 in the organism 11, be equipped with placing mechanism 2 that is used for placing the work piece on the base 14, be equipped with the mechanism 3 that admits air that is used for the blowout argon gas on the base 14.

As shown in fig. 1, 3 and 4, the placing mechanism 2 includes a workbench 20, a platen 21, a connecting shaft 22, a sliding sleeve frame 23, a limiting sleeve 24 and a first guide post 25, the top of the base 14 is slidably connected with the workbench 20, the front portion of the interior of the base 14 is connected with the first guide post 25, the first guide post 25 is slidably connected with the limiting sleeve 24, the first guide post 25 guides the limiting sleeve 24, the top of the limiting sleeve 24 is connected with the connecting shaft 22, the top of the connecting shaft 22 is connected with the sliding sleeve frame 23, the sliding sleeve frame 23 is slidably connected with the workbench 20, the top of the sliding sleeve frame 23 is connected with the platen 21, and the platen 21 is used for placing a workpiece.

As shown in fig. 1, 5 and 6, the air inlet mechanism 3 includes a nozzle 30, a shunt pipe 31, an air guide ball 32 and a first spring 33, the nozzle 30 is connected to the right wall of the workbench 20 and is uniformly distributed, the shunt pipe 31 is connected between the sides of the nozzle 30 far away from each other, the shunt pipe 31 is embedded in the workbench 20, the air guide ball 32 is slidably connected to the right of the base 14, the air guide ball 32 can be in contact with and communicated with the shunt pipe 31 and is extruded by the workbench 20, the first spring 33 is connected between the air guide ball 32 and the base 14, the first spring 33 is wound on the air guide ball 32, and the first spring 33 plays a role in buffering and resetting for the air guide ball 32.

When laser cladding operation needs to be carried out on a workpiece, firstly, the workbench 20 needs to be drawn out forwards, at this time, under the action of the first guide column 25, the limiting sleeve 24 slides forwards to drive the connecting shaft 22 to slide forwards, in the process, the sliding sleeve frame 23 slides upwards in the workbench 20 to lift the bedplate 21, after the bedplate 21 is completely lifted, the workpiece is placed on the bedplate 21, and simultaneously slides forwards along with the workbench 20, in an initial state, the first spring 33 is in a stressed compression state, after the workbench 20 does not extrude the air guide clamping ball 32 any more, under the action of the first spring 33, the air guide clamping ball 32 slides leftwards, at this time, the air guide clamping ball 32 is not communicated with the shunt pipe 31 and the argon inlet, and at this time, argon cannot be sprayed;

after the workpiece is placed, the workbench 20 needs to be pushed backwards to reset, so that the limiting sleeve 24 slides backwards to reset, the connecting shaft 22 is driven to move backwards to reset, in the process, the sliding sleeve frame 23 drives the platen 21 to move downwards to reset, meanwhile, the air guide clamping ball 32 is extruded by the workbench 20, the air guide clamping ball 32 slides rightwards to reset, the first spring 33 is stressed and compressed, the air guide clamping ball 32 is communicated with the flow dividing pipe 31 and an argon gas inlet, at the moment, argon gas enters the flow dividing pipe 31 through the air guide clamping ball 32 and then enters the workbench 20 through the spray head 30 for welding protection, finally, an operator needs to control the laser cladding head 1 through the operation screen 12, so that the laser cladding head 1 starts to slide downwards and performs laser cladding on the workpiece, and the protective cover 13 can effectively prevent spark sputtering from hurting the operator;

after the laser cladding operation is finished, the workpiece can be taken out and the device can be reset by repeating the operations, in sum, the workbench 20 is contacted with the air guide clamping ball 32, so that the air guide clamping ball 32 can be communicated with the flow dividing pipe 31 and the argon inlet, the effect of automatically spraying argon is realized after the workpiece reaches the designated position, and the argon does not need to be manually added.

As shown in fig. 1, 7 and 8, the mobile device further includes a moving mechanism 4, the moving mechanism 4 includes a guide rail 40, sliding fixture blocks 41, balls 42 and pulleys 43, the bottom of the base 14 is connected with the guide rail 40 which is bilaterally symmetric, the bottom of the workbench 20 is connected with the sliding fixture blocks 41, the sliding fixture blocks 41 are four groups in total, each group includes two opposite sliding fixture blocks 41, two groups of sliding fixture blocks 41 which are bilaterally symmetric are distributed on the lower side of the front portion of the workbench 20, two groups of sliding fixture blocks 41 which are bilaterally symmetric are also distributed on the lower side of the rear portion of the workbench 20, both the left two fixture blocks are slidably connected with the guide rail 40 on the left side, both the right sliding fixture blocks 41 are slidably connected with the guide rail 40 on the right side, the balls 42 are rotatably connected between each group of sliding fixture blocks 41 for reducing sliding friction force, so that the workbench 20 can be pulled out more easily, both the left and right sides of the workbench 20 are connected with pulleys 43, and both the pulleys 43 are slidably connected with the base 14 for further reducing friction force.

In order to more conveniently and rapidly pull out the workbench 20 by an auxiliary operator, when the operator pulls the workbench 20, the workbench 20 can drive the sliding clamping blocks 41 to move forwards, the sliding clamping blocks 41 slide forwards under the action of the guide rails 40, the balls 42 and the pulleys 43 rotate in the process, and friction force encountered in the sliding process of the workbench 20 is reduced, so that the operator can pull out the workbench 20 easily.

As shown in fig. 1 and 9, the clamping device 5 further comprises a limiting block 50, a second spring 51, a third spring 52, a second guide post 53, a lower pressing rod 54 and a third guide post 55, the upper side of the right portion of the base 14 is connected with the second guide posts 53 which are symmetrical in front and back, the second guide posts 53 are connected with the limiting blocks 50, the limiting blocks 50 can be clamped with the workbench 20, so that the workbench 20 is locked and limited, the second spring 51 is connected between the limiting block 50 and the base 14, the second spring 51 is wound on the second guide post 53, and the second spring 51 plays a role in buffering and resetting for the limiting block 50;

lower pressure pole 54 is connected with between the second guide post 53 slidingly, be connected with third spring 52 between lower pressure pole 54 and the stopper 50, third spring 52 all winds on second guide post 53, third spring 52 all plays the buffering reset action to lower pressure pole 54, lower pressure pole 54 can extrude third spring 52, thereby promote the stopper 50 motion, base 14 right part upside is connected with the third guide post 55 of longitudinal symmetry, third guide post 55 all is located between the second guide post 53, third guide post 55 all is connected with lower pressure pole 54 slidingly, third guide post 55 all plays the guide effect to lower pressure pole 54.

Along with the downward movement of the laser cladding head 1 controlled by the operation screen 12 by an operator, at the moment, the laser cladding head 1 can extrude the lower pressing rod 54, so that the lower pressing rod 54 slides downward under the guiding action of the third guiding column 55, so that the third spring 52 is all stressed and compressed, and further the limiting block 50 is pushed to slide downward, along with the downward sliding of the limiting block 50, the second spring 51 is all stressed and compressed until the limiting block 50 is clamped with the workbench 20, so that the workbench 20 is locked and fixed, and therefore it is ensured that when the laser cladding head 1 works, the workbench 20 cannot slide, at the moment, the second spring 51 is all compressed to the limit, the third spring 52 has the allowance of continuous compression, so that the laser cladding head 1 can also continuously press downward, and after the operation of the laser cladding head 1 is finished, the laser cladding head 1 moves upward and resets;

under the effect of third spring 52, the depression bar 54 can upwards slide and reset, and stopper 50 all no longer receives the extrusion this moment, under second spring 51's effect, stopper 50 all upwards slides and resets and break away from the joint with workstation 20 to make workstation 20 no longer fixed by the locking, to sum up, extrude depression bar 54 through laser cladding head 1, thereby make stopper 50 all slide downwards and carry out the joint with workstation 20, reach when laser cladding head 1 is in operating condition, workstation 20 is fixed by the locking, can not produce the slip.

As shown in fig. 1 and 10, still including handle 6 and glass door plant 61, there is glass door plant 61 protection casing 13 left part rotary type, and glass door plant 61 is dark transparent material, and eyes that can effectual protection operating personnel can not receive the highlight stimulus, produce the harm, and glass door plant 61 left side is connected with handle 6, and handle 6 can be convenient for people control glass door plant 61 and rotate.

When the laser cladding head 1 carries out cladding work, the laser of release can produce strong light source and shine, in order to prevent that operating personnel's eyes from being damaged by the strong light irradiation, when carrying out the operation, operating personnel can see through glass door plant 61 and observe the work piece, and after the operation, operating personnel can open glass door plant 61 through handle 6 to the left turn to more clear observation work piece's cladding situation, rotate glass door plant 61 through handle 6 and close to reset to the right. In conclusion, the eyes of the operator are protected by the glass door panel 61, so that the eyes are prevented from being damaged by strong light irradiation, and a good protection effect is achieved.

As shown in fig. 1 and fig. 11, the laser cladding head further comprises a dust guard 7 and a fourth spring 71, the front side and the rear side of the laser cladding head 1 are both connected with the fourth spring 71, the upper end of the fourth spring 71 is wound on the laser cladding head 1, the dust guard 7 is connected between the bottom ends of the fourth spring 71 and used for performing dust protection on the laser cladding head 1, and the fourth spring 71 plays a role in buffering and resetting the dust guard 7.

When the laser cladding head 1 needs to be used, an operator needs to pull the dust-proof plate 7 downwards, in an initial state, the fourth springs 71 are all in a stretching state, the dust-proof plate 7 is pulled continuously to enable the fourth springs 71 to stretch continuously, then the dust-proof plate 7 is pulled to rotate the fourth springs 71, so that the dust-proof plate 7 does not block the laser cladding head 1 any more, then the dust-proof plate 7 is loosened, and under the action of the fourth springs 71, the dust-proof plate 7 moves towards the direction close to the laser cladding head 1 and clings to the outer wall of the laser cladding head 1;

when the laser cladding head 1 stops using, in order to play good dustproof protection to the laser cladding head 1, need to pull the dust guard 7 to the direction of keeping away from the laser cladding head 1, fourth spring 71 all receives the force and stretches, later make fourth spring 71 all rotate through pulling the dust guard 7 and reset, loosen the dust guard 7 at last, under the effect of fourth spring 71, the equal upward movement of dust guard 7 resets and blocks the laser cladding head 1, plays good dustproof protection effect, to sum up, carry out dustproof protection to the laser cladding head 1 through the dust guard 7, can effectually prevent that the dust from getting into the laser cladding head 1 to influence the cladding operation.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims

1. A laser cladding atmosphere protection device comprises a laser cladding head (1), a machine body (11), an operation screen (12), a protective cover (13) and a base (14), wherein the laser cladding head (1) is connected to the inner right wall of the machine body (11) in a sliding manner, the operation screen (12) is connected to the left side of the lower portion of the machine body (11), the protective cover (13) is connected to the left portion of the machine body (11), the base (14) is connected to the inner bottom of the machine body (11), the laser cladding atmosphere protection device is characterized by further comprising a placing mechanism (2) and an air inlet mechanism (3), the placing mechanism (2) is arranged on the base (14) and used for placing a workpiece, and the air inlet mechanism (3) for spraying argon is arranged on the base (14);

the placing mechanism (2) comprises a workbench (20), a bedplate (21), a connecting shaft (22), a sliding sleeve frame (23), a limiting sleeve (24) and a first guide post (25), the top of the base (14) is connected with the workbench (20) in a sliding manner, the front part in the base (14) is connected with the first guide post (25), the first guide post (25) is connected with the limiting sleeve (24) in a sliding manner, the top of the limiting sleeve (24) is connected with the connecting shaft (22), the top of the connecting shaft (22) is connected with the sliding sleeve frame (23), the sliding sleeve frame (23) is connected with the workbench (20) in a sliding manner, and the top of the sliding sleeve frame (23) is connected with the bedplate (21);

the air inlet mechanism (3) comprises spray heads (30), shunt tubes (31), air guide clamping balls (32) and first springs (33), the spray heads (30) are uniformly distributed and connected to the inner right wall of the workbench (20), the shunt tubes (31) are connected between the sides, far away from each other, of the spray heads (30), the shunt tubes (31) are embedded in the workbench (20), the air guide clamping balls (32) are connected to the right part of the base (14) in a sliding mode, the first springs (33) are connected between the air guide clamping balls (32) and the base (14), and the first springs (33) are wound on the air guide clamping balls (32);

laser cladding atmosphere protection device is still including being used for carrying out spacing clamping mechanism (5) of locking to workstation (20), clamping mechanism (5) are including stopper (50), second spring (51), third spring (52), second guide post (53), push down lever (54) and third guide post (55), base (14) right part upside is connected with symmetrical second guide post (53) from beginning to end, all be connected with stopper (50) on second guide post (53), stopper (50) homoenergetic and workstation (20) joint, all be connected with second spring (51) between stopper (50) and base (14), second spring (51) all wind on second guide post (53), slidingtype depression bar (54) down between second guide post (53), be connected with third spring (52) between push down lever (54) and stopper (50), third spring (52) all wind on second guide post (53), base (14) upside right side portion symmetry third guide post (55) all are located third guide post (55) and third guide post (55) down, the third guide post (55) are connected with third guide post (55) and slidingtype down.

2. The laser cladding atmosphere protecting device according to claim 1, characterized by further comprising a moving mechanism (4) for facilitating movement of the worktable (20), wherein the moving mechanism (4) comprises a guide rail (40), sliding fixture blocks (41), balls (42) and pulleys (43), the bottom of the base (14) is connected with the guide rail (40) in bilateral symmetry, the bottom of the worktable (20) is connected with the sliding fixture blocks (41), the sliding fixture blocks (41) are four groups in total, each group comprises two opposite sliding fixture blocks (41), two groups of sliding fixture blocks (41) in bilateral symmetry are distributed on the lower side of the front part of the worktable (20), two groups of sliding fixture blocks (41) in bilateral symmetry are also distributed on the lower side of the rear part of the worktable (20), the two fixture blocks on the left side are both slidably connected with the guide rail (40) on the left side, the sliding fixture blocks (41) on the right side are both slidably connected with the guide rail (40) on the right side, the balls (42) are rotatably connected between each group of the sliding fixture blocks (41), the pulleys (43) are rotatably connected on the left and right sides of the worktable (20), and the pulleys (43) are both slidably connected with the base (14).

3. The laser cladding atmosphere protecting device according to claim 1, further comprising a handle (6) and a glass door panel (61), wherein the glass door panel (61) is rotatably arranged at the left part of the protecting cover (13), and the handle (6) is connected to the left side of the glass door panel (61).

4. A laser cladding atmosphere protecting device according to claim 3, characterized by further comprising a dust-proof plate (7) and fourth springs (71), wherein the front and rear sides of the laser cladding head (1) are connected with the fourth springs (71), the upper ends of the fourth springs (71) are wound on the laser cladding head (1), and the dust-proof plate (7) is connected between the bottom ends of the fourth springs (71).

5. A laser cladding atmosphere protecting apparatus as defined in claim 4, wherein the glass door panel (61) has a thickness in the range of 1-2cm.