CN112276357B

CN112276357B - Optical fiber laser welding device

Info

Publication number: CN112276357B
Application number: CN202011200226.8A
Authority: CN
Inventors: 刘运强; 叶东; 张文凤; 宋小辉; 刘晓刚
Original assignee: Guilin University of Aerospace Technology
Current assignee: Guilin University of Aerospace Technology
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2022-04-15
Anticipated expiration: 2040-11-02
Also published as: CN112276357A

Abstract

The invention discloses an optical fiber laser welding device, which relates to the field of laser welding and comprises a welding machine, wherein the outer side of the welding machine is connected with a connecting ring, the outer side of the connecting ring is connected with a spring rotating shaft, the outer side of the connecting ring is rotatably connected with a connecting block through the spring rotating shaft, goggles are arranged inside the connecting block, one side of the connecting block is connected with a clamping block, and the outer side of the clamping block is connected with a moving block. According to the invention, through the arrangement of the welding machine, the connecting ring, the spring rotating shaft, the connecting block, the goggles, the push block, the clamping block, the moving block, the clamping groove, the spring and the temperature sensor, the push block can be pushed when the welding machine is operated to weld a workpiece, the goggles can be bounced off under the action of the spring rotating shaft, and an operator can watch welding through the bounced goggles during welding, so that direct contact between eyes of the operator and highlight generated by welding is avoided, and the injury to the eyes of the operator is reduced.

Description

Optical fiber laser welding device

Technical Field

The invention relates to the field of laser welding, in particular to an optical fiber laser welding device.

Background

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source, the laser welding is one of important aspects of laser material processing technology application, the laser welding is mainly used for welding thin-wall materials and low-speed welding in the 20 th century in 70 years, the welding process belongs to a heat conduction type, namely, laser radiation heats the surface of a workpiece, surface heat is diffused inwards through heat conduction, the workpiece is melted to form a specific molten pool by controlling parameters such as the width, energy, peak power, repetition frequency and the like of laser pulse, and the laser welding has been successfully applied to precision welding of micro and small parts due to the unique advantages of the laser welding.

The existing optical fiber laser welding device is not provided with goggles for shielding hard light for operators, and part of operators often give up wearing in operation because of eye protection mask weight is large, the laser welding can cause eye injury by watching without adding the separation for a long time, and the existing optical fiber laser welding device is simple in structure, the function is single, articles after welding is finished can not be cleaned in time, welding black marks left on the articles are long, the articles are difficult to clean, welding marks are not attractive, the existing optical fiber laser welding device can not properly dissipate heat for the welding machine after long-time working, the welding machine does not dissipate heat for a long time, internal parts can be damaged due to high temperature, and the service life of the welding machine is short.

Disclosure of Invention

The invention aims to: in order to solve the problem that the existing optical fiber laser welding device is not provided with goggles for shielding hard light for operators, and part of operators often give up wearing the goggles in operation because of the large weight of a visor mask, the eyes are injured when the operators watch the laser welding without adding separation for a long time, the existing optical fiber laser welding device is simple in structure and single in function, articles after welding is finished can not be cleaned in time, welding black marks left on the articles are long, the articles are difficult to clean, the welding marks are not attractive, the existing optical fiber laser welding device can not properly dissipate heat after the welder works for a long time, the welder does not dissipate heat for a long time, internal parts can be damaged due to high temperature, the service life of the welder is short, and the optical fiber laser welding device is provided.

In order to achieve the purpose, the invention provides the following technical scheme:

an optical fiber laser welding device comprises a welding machine, wherein the outer side of the welding machine is connected with a connecting ring, the outer side of the connecting ring is connected with a spring rotating shaft, the outer side of the connecting ring is rotatably connected with a connecting block through the spring rotating shaft, goggles are arranged inside the connecting block, one side of the connecting block is connected with a clamping block, the outer side of the clamping block is connected with a moving block, the inner side of the moving block is provided with a clamping groove, the bottom end of the moving block is connected with a spring, one side of the welding machine is provided with an operating platform, the bottom end of the operating platform is provided with a first motor, the output end of the first motor is connected with a threaded rod, the bottom end of the threaded rod is connected with a sleeve rod, the outer sides of the sleeve rod and the threaded rod are both connected with sliding blocks, the top ends of the sliding blocks are connected with clamping blocks, one side of the operating platform is connected with a mounting frame, one side of the mounting frame is provided with a second motor, and the output end of the second motor is connected with a driving wheel, and one side of action wheel is connected with the cleaning roller, the top of mounting bracket is connected with the shower nozzle, and one side of mounting bracket is provided with the fixed plate, the internally mounted of fixed plate has electric putter, and electric putter's output is connected with the clamping jaw, one side that the bottom of operation panel is located first motor is provided with the cooling storehouse, and the inside in cooling storehouse is provided with first cylinder, the output of first cylinder is connected with first cooling block, and the inside of first cooling block is provided with the water-cooling intermediate layer, the bottom in cooling storehouse is connected with fixed storehouse, and the inside in fixed storehouse is provided with the second cooling block, the bottom of second cooling block is connected with the second cylinder, cooling blower is installed on the inside top in cooling storehouse.

Preferably, the inside of clamping ring is provided with the internal thread, the outside of welding machine be provided with internal thread assorted external screw thread, and welding machine and clamping ring pass through internal thread and external screw thread can dismantle and be connected, fixture block and draw-in groove phase-match, the connecting block passes through fixture block and draw-in groove block with the clamping ring and is connected.

Preferably, the outside of movable block is connected with the ejector pad, and the ejector pad is located one side of connecting ring, ejector pad and connecting ring sliding connection, temperature sensor is installed in the outside of connecting ring, and the outside of connecting ring is located one side of temperature sensor and installs the controller, the outside of connecting ring is located one side of controller and installs the warning light, and warning light and controller electric connection, temperature sensor and controller electric connection.

Preferably, the outside of threaded rod is provided with the external screw thread, and the quantity of external screw thread is two sets of, two sets of external screw thread opposite direction, the quantity of slider is two sets of, two sets of the inside of slider all is provided with threaded rod assorted screw hole, and the bottom of screw hole be provided with loop bar assorted through-hole, the slider runs through the operation panel and extends to its top, and the inside of operation panel is provided with the sliding tray, slider and sliding tray sliding connection.

Preferably, one side of action wheel is connected with from the driving wheel, and the action wheel meshes with from the driving wheel mutually, the bottom of action wheel is provided with first drive wheel, and the action wheel meshes with first drive wheel mutually, one side of first drive wheel is provided with the secondary drive wheel, and first drive wheel meshes with the secondary drive wheel mutually, the quantity of cleaning roller is four groups, four groups the cleaning roller all runs through the mounting bracket and extends to its inside, and four groups the cleaning roller all rotates with the mounting bracket to be connected.

Preferably, the top of shower nozzle is connected with the input tube, and the outside of input tube is connected with the control valve, the bottom of cleaning roller is provided with the collection storehouse, and the inside in collection storehouse is provided with the filter screen, the filter screen passes through the fixture block and is connected with the collection storehouse block, and the bottom in collection storehouse is provided with the drain pipe, and the outside of drain pipe is connected with the control valve.

Preferably, one side of mounting bracket is provided with the connecting plate, and the inside of connecting plate is provided with the through-hole, the top of fixed plate is provided with the sliding tray, the bottom of clamping jaw is provided with the installation piece, and the bottom of installation piece is connected with the slider, the slider matches with the sliding tray, clamping jaw and fixed plate sliding connection.

Preferably, the both sides of first cooling piece all are provided with the slider, the inside in cooling bin is provided with slider assorted spout, and cools off bin and first cooling piece sliding connection, the interbedded top of water-cooling is connected with the inlet tube, and the interbedded bottom of water-cooling is connected with the outlet pipe, the outside of inlet tube and outlet pipe all is provided with the control valve.

Preferably, the quantity of water-cooling intermediate layer is two sets of, and wherein is a set of the water-cooling intermediate layer is located the inside of second cooling piece, and one side of second cooling piece is provided with the inlet tube, the bottom that one side of second cooling piece is located the inlet tube is connected with the outlet pipe, and the outside of inlet tube and outlet pipe all is connected with the control valve.

Preferably, the output of second cylinder is connected with the movable plate, and the both sides of movable plate all are provided with the slider, the inside both sides of fixed storehouse all be provided with slider assorted spout, and second cooling block and fixed storehouse sliding connection, the top of fixed storehouse is provided with the through-hole, and fixed storehouse and through-hole swing joint.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, by the arrangement of the welding machine, the connecting ring, the spring rotating shaft, the connecting block, the goggles, the push block, the fixture block, the moving block, the clamping groove, the spring and the temperature sensor, when the welding machine is operated to weld a workpiece, the push block can be pushed, the goggles can be bounced off under the action of the spring rotating shaft, and an operator can watch welding through the bounced goggles during welding, so that direct contact between eyes of the operator and highlight generated by welding is avoided, and the injury to the eyes of the operator is reduced;

2. according to the invention, through the arrangement of the operating table, the first motor, the threaded rod, the loop bar, the sliding block, the clamping block, the mounting frame, the second motor, the driving wheel, the cleaning rollers, the spray head, the fixing plate, the electric push rod and the clamping jaw, the workpiece can be placed in the clamping jaw after welding receiving, the electric push rod pushes the workpiece to move, then the spray head sprays the workpiece, the four groups of cleaning rollers rotate to clean the workpiece in a rotating manner, the welded workpiece is cleaned in time, and the trouble of later cleaning is avoided;

3. according to the invention, through the arrangement of the cooling bin, the first air cylinder, the first cooling block, the water-cooling interlayer, the fixed bin, the second cooling block, the second air cylinder and the cooling fan, the welding machine in a high-temperature state can be placed in the cooling bin, and the water-cooling interlayer in the first cooling block and the second cooling block is used for carrying out water-cooling circulating cooling on the welding machine, so that the temperature of the welding machine can be reduced in a short time, the damage of the welding machine caused by the fact that the temperature in the welding machine cannot volatilize is avoided, and the service life of the welding machine is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A of the present invention;

FIG. 4 is a cross-sectional view of a cooling cartridge of the present invention;

fig. 5 is a schematic view of a second motor connection structure according to the present invention.

In the figure: 1. a welding machine; 2. a connecting ring; 3. a spring shaft; 4. connecting blocks; 5. goggles; 6. a push block; 7. a clamping block; 8. a moving block; 9. a card slot; 10. a spring; 11. a temperature sensor; 12. an operation table; 13. a first motor; 14. a threaded rod; 15. a loop bar; 16. a slider; 17. a clamping block; 18. a mounting frame; 19. a second motor; 20. a driving wheel; 21. a cleaning roller; 22. a spray head; 23. a fixing plate; 24. an electric push rod; 25. a clamping jaw; 26. a cooling bin; 27. a first cylinder; 28. a first cooling block; 29. a water-cooling interlayer; 30. fixing the bin; 31. a second cooling block; 32. a second cylinder; 33. and (5) cooling the fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-5, an optical fiber laser welding device comprises a welding machine 1, wherein the outer side of the welding machine 1 is connected with a connecting ring 2, the outer side of the connecting ring 2 is connected with a spring rotating shaft 3, the outer side of the connecting ring 2 is rotatably connected with a connecting block 4 through the spring rotating shaft 3, the inner part of the connecting block 4 is provided with goggles 5, one side of the connecting block 4 is connected with a clamping block 7, the outer side of the clamping block 7 is connected with a moving block 8, the inner part of the moving block 8 is provided with a clamping groove 9, the bottom end of the moving block 8 is connected with a spring 10, one side of the welding machine 1 is provided with an operating platform 12, the bottom end of the operating platform 12 is provided with a first motor 13, the output end of the first motor 13 is connected with a threaded rod 14, the bottom end of the threaded rod 14 is connected with a loop rod 15, the outer sides of the loop rod 15 and the threaded rod 14 are both connected with a sliding block 16, the top end of the sliding block 16 is connected with a clamping block 17, one side of the operating platform 12 is connected with a mounting rack 18, and one side of the mounting rack 18 is provided with a second motor 19, the output end of the second motor 19 is connected with a driving wheel 20, one side of the driving wheel 20 is connected with a cleaning roller 21, the top end of the mounting rack 18 is connected with a spray head 22, and one side of the mounting rack 18 is provided with a fixed plate 23, an electric push rod 24 is arranged inside the fixed plate 23, and the output end of the electric push rod 24 is connected with a clamping jaw 25, the bottom end of the operating platform 12 is provided with a cooling bin 26 at one side of the first motor 13, and a first cylinder 27 is arranged inside the cooling bin 26, the output end of the first cylinder 27 is connected with a first cooling block 28, and the first cooling block 28 is internally provided with a water-cooling interlayer 29, the bottom end of the cooling bin 26 is connected with a fixed bin 30, and the inside of fixed storehouse 30 is provided with second cooling block 31, and the bottom of second cooling block 31 is connected with second cylinder 32, and cooling blower 33 is installed at the inside top in cooling storehouse 26.

According to the invention, by the arrangement of the welding machine 1, the connecting ring 2, the spring rotating shaft 3, the connecting block 4, the goggles 5, the push block 6, the clamping block 7, the moving block 8, the clamping groove 9, the spring 10 and the temperature sensor 11, the push block 6 can be pushed when the welding machine 1 is operated to weld a workpiece, the goggles 5 can be bounced off under the action of the spring rotating shaft 3, an operator can watch welding through the bounced goggles 5 during welding, and therefore, the eyes of the operator are prevented from directly contacting with highlight light generated by welding, and the injury to the eyes of the operator is reduced.

Please refer to fig. 3, an internal thread is disposed inside the connection ring 2, an external thread matched with the internal thread is disposed outside the welding machine 1, the welding machine 1 and the connection ring 2 are detachably connected through the internal thread and the external thread, the fixture block 7 is matched with the clamping groove 9, and the connection block 4 and the connection ring 2 are connected through the fixture block 7 and the clamping groove 9 in a clamping manner.

In the invention, the threaded connection is convenient to assemble and disassemble, and if the mounting direction of the goggles 5 is inconvenient to observe, the connecting ring 2 can be taken down and then readjusted, so that the angle of the goggles 5 can be conveniently adjusted.

Please refer to fig. 2, the outer side of the moving block 8 is connected with a push block 6, the push block 6 is located at one side of the connecting ring 2, the push block 6 is connected with the connecting ring 2 in a sliding manner, the outer side of the connecting ring 2 is provided with a temperature sensor 11, the outer side of the connecting ring 2 is located at one side of the temperature sensor 11 and is provided with a controller, the outer side of the connecting ring 2 is located at one side of the controller and is provided with a warning light, the warning light is electrically connected with the controller, and the temperature sensor 11 is electrically connected with the controller.

In the invention, when the welding machine 1 works, the temperature sensor 11 senses the temperature of the welding machine 1, if the temperature reaches a preset threshold value, the warning lamp is turned on to remind an operator of cooling the welding machine 1, otherwise, the service life of the welding machine 1 is shortened if the welding machine continues to work.

Please refer to fig. 2, the outer side of the threaded rod 14 is provided with two sets of external threads, the two sets of external threads have opposite directions, the two sets of sliders 16 are provided with two sets of threaded holes matched with the threaded rod 14 inside the two sets of sliders 16, the bottom end of the threaded hole is provided with a through hole matched with the loop bar 15, the slider 16 penetrates through the operating platform 12 and extends to the top end thereof, the inside of the operating platform 12 is provided with a sliding groove, and the slider 16 is connected with the sliding groove in a sliding manner.

In the invention, the directions of the threaded holes in the two groups of sliding blocks 16 are different, the two groups of sliding blocks 16 are respectively matched with the external threads on the outer sides of the sliding blocks, the outer sides of the threaded rod 14 and the sleeve rod 15 are provided with the connecting bin, and the threaded rod 14 is rotatably connected with the connecting bin through a bearing.

Please refer to fig. 5, one side of the driving wheel 20 is connected to the driven wheel, the driving wheel 20 is engaged with the driven wheel, the bottom end of the driving wheel 20 is provided with a first driving wheel, the driving wheel 20 is engaged with the first driving wheel, one side of the first driving wheel is provided with a second driving wheel, the first driving wheel is engaged with the second driving wheel, the number of the cleaning rollers 21 is four, the four sets of the cleaning rollers 21 all penetrate through the mounting frame 18 and extend into the mounting frame, and the four sets of the cleaning rollers 21 are all rotatably connected with the mounting frame 18.

In the invention, the driving wheel 20, the driven wheel, the first driving wheel and the second driving wheel respectively drive a group of cleaning rollers 21 to rotate, and the cleaning rollers 21 can clean a workpiece when rotating so as to remove welding traces on the workpiece.

Please refer to fig. 2, the top end of the nozzle 22 is connected with an input pipe, the outer side of the input pipe is connected with a control valve, the bottom end of the cleaning roller 21 is provided with a collecting bin, the inside of the collecting bin is provided with a filter screen, the filter screen is connected with the collecting bin through a clamping block in a clamping manner, the bottom end of the collecting bin is provided with a drain pipe, and the outer side of the drain pipe is connected with the control valve.

In the invention, the collecting bin can collect the water sprayed by the spray nozzle 22, discharge the water after filtering, and connect with a water pump to spray the water again through the spray nozzle 22, so that the aim of recycling the water is achieved, and the waste of water resources is reduced.

Please refer to fig. 1, a connecting plate is disposed on one side of the mounting frame 18, a through hole is disposed inside the connecting plate, a sliding groove is disposed at the top end of the fixing plate 23, a mounting block is disposed at the bottom end of the clamping jaw 25, a sliding block is connected to the bottom end of the mounting block, the sliding block is matched with the sliding groove, and the clamping jaw 25 is slidably connected to the fixing plate 23.

In the invention, the clamping jaw 25 drives the workpiece to move, the workpiece penetrates through the through hole and is positioned inside the four groups of cleaning rollers 21, and the outer sides of the cleaning rollers 21 are made of brushes or nylon and agricultural textile materials.

Please refer to fig. 4, the two sides of the first cooling block 28 are both provided with slide blocks, the inside of the cooling bin 26 is provided with slide grooves matched with the slide blocks, the cooling bin 26 is connected with the first cooling block 28 in a sliding manner, the top end of the water-cooling interlayer 29 is connected with a water inlet pipe, the bottom end of the water-cooling interlayer 29 is connected with a water outlet pipe, and the outer sides of the water inlet pipe and the water outlet pipe are both provided with control valves.

In the invention, the circulating water is cooled, the high temperature of the welding machine 1 is taken away by utilizing the heat exchange principle, and the cooling effect is better by matching with the cooling fan 33.

Please refer to fig. 4, the number of the water cooling interlayers 29 is two, wherein one of the water cooling interlayers 29 is located inside the second cooling block 31, a water inlet pipe is disposed at one side of the second cooling block 31, a water outlet pipe is connected to one side of the second cooling block 31 at the bottom end of the water inlet pipe, and control valves are connected to the outer sides of the water inlet pipe and the water outlet pipe

According to the invention, the water system for cooling can be connected with the water system for cleaning, so that the water for cooling can be used for cleaning after being heated, and the effect of cooling and cleaning is achieved at the same time, and the waste of water resources is reduced.

Please refer to fig. 4, the output end of the second cylinder 32 is connected to the moving plate, and both sides of the moving plate are provided with sliding blocks, both sides of the inside of the fixed bin 30 are provided with sliding grooves matched with the sliding blocks, the second cooling block 31 is connected with the fixed bin 30 in a sliding manner, the top end of the fixed bin 30 is provided with a through hole, and the fixed bin 30 is movably connected with the through hole.

In the invention, when the water cooling is carried out, the first cooling block 28 is required to retreat and ascend the second cooling block 31, the two groups are matched to wrap the welding machine 1, and then the temperature is reduced.

The working principle is as follows: when the welding machine 1 is used for welding a workpiece, the first motor 13 can be started firstly, so that the first motor 13 drives the threaded rod 14 to rotate, the threaded rod 14 is matched with the sleeve rod 15 to enable the two sets of slide blocks 16 to move relatively, so that the two sets of clamping blocks 17 are close to each other, the workpiece to be welded is clamped and fixed, then the welding machine 1 is taken down, the push block 6 is pushed downwards, the push block 6 moves downwards to extrude the spring 10 downwards, the moving block 8 also moves downwards under the action of the spring 10, so that the clamping groove 9 is separated from the clamping block 7, the connection between the clamping block 7 and the clamping groove 9 is omitted, the connecting block 4 can bounce under the rotation action of the spring rotating shaft 3, so that the goggles 5 bounce, and an operator can weld the workpiece, the welding can be observed through the goggles 5, the eyes of an operator are prevented from being directly contacted with welding bright light, and therefore damage to the eyes is reduced, the temperature sensor 11 is welded on the outer side of the welding machine 1, the temperature sensor 11 can sense the temperature used by the welding machine 1, if the temperature reaches a threshold value, the temperature sensor 11 can send a signal to the controller, the controller can control the alarm lamp to light up to attract attention of the operator, the operator can place the alarm lamp into the cooling bin 26 when the alarm lamp lights up, a clamping groove for clamping the welding machine 1 is arranged on one side of the first cooling block 28 in the cooling bin 26, after the welding machine 1 is placed in, the first air cylinder 27 can be started to pull the first cooling block 28 to retreat, the second air cylinder 32 can jack the second cooling block 31, the other side of the welding machine 1 is also wrapped, and then the water cooling interlayer 29 in the first cooling block 28 and the second cooling block 31 can be cooled by using cooling water, utilize the heat transfer, take away the high temperature of welding machine 1, second cooling block 31 descends after the cooling, first cooling block 28 antedisplacement, start cooling blower 33 and wait for it to carry out the secondary heat dissipation and take out welding machine 1, after the welding finishes, can place the work piece and carry out the centre gripping in the inside of clamping jaw 25, then start electric putter 24, electric putter 24 promotes clamping jaw 25 and removes, make the work piece antedisplacement, shower nozzle 22 sprays washing water to the work piece, second motor 19 starts, drive action wheel 20 and rotate, action wheel 20 drives respectively from the driving wheel and the first drive wheel rotates, first drive wheel drives the second drive wheel and rotates, thereby drive four groups cleaning roller 21 and rotate, the work piece is located between four groups cleaning roller 21, it is waited to be cleaned to be held by clamping jaw 25, avoid the inconvenient getting rid of later stage welding vestige.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An optical fiber laser welding device, comprising a welding machine (1), characterized in that: the outer side of the welding machine (1) is connected with a connecting ring (2), the outer side of the connecting ring (2) is connected with a spring rotating shaft (3), the outer side of the connecting ring (2) is rotatably connected with a connecting block (4) through the spring rotating shaft (3), goggles (5) are arranged inside the connecting block (4), one side of the connecting block (4) is connected with a clamping block (7), the outer side of the clamping block (7) is connected with a moving block (8), a clamping groove (9) is arranged inside the moving block (8), and the bottom end of the moving block (8) is connected with a spring (10),

one side of the welding machine (1) is provided with an operating platform (12), a first motor (13) is installed at the bottom end of the operating platform (12), the output end of the first motor (13) is connected with a threaded rod (14), the bottom end of the threaded rod (14) is connected with a loop bar (15), the outer sides of the loop bar (15) and the threaded rod (14) are both connected with a slider (16), the top end of the slider (16) is connected with a clamping block (17), one side of the operating platform (12) is connected with an installation frame (18), one side of the installation frame (18) is provided with a second motor (19), the output end of the second motor (19) is connected with a driving wheel (20), one side of the driving wheel (20) is connected with a cleaning roller (21), the top end of the installation frame (18) is connected with a spray head (22), one side of the installation frame (18) is provided with a fixing plate (23), and an electric push rod (24) is installed inside the fixing plate (23), the output end of the electric push rod (24) is connected with a clamping jaw (25),

a cooling bin (26) is arranged on one side, located on the first motor (13), of the bottom end of the operating platform (12), a first air cylinder (27) is arranged inside the cooling bin (26), the output end of the first air cylinder (27) is connected with a first cooling block (28), a water-cooling interlayer (29) is arranged inside the first cooling block (28), a fixed bin (30) is connected to the bottom end of the cooling bin (26), a second cooling block (31) is arranged inside the fixed bin (30), a second air cylinder (32) is connected to the bottom end of the second cooling block (31), and a cooling fan (33) is mounted at the top end inside the cooling bin (26);

the outer side of the moving block (8) is connected with a push block (6), the push block (6) is located on one side of the connecting ring (2), the push block (6) is connected with the connecting ring (2) in a sliding mode, a temperature sensor (11) is installed on the outer side of the connecting ring (2), a controller is installed on one side, located on the temperature sensor (11), of the outer side of the connecting ring (2), a warning lamp is installed on one side, located on the controller, of the outer side of the connecting ring (2), the warning lamp is electrically connected with the controller, and the temperature sensor (11) is electrically connected with the controller;

the inside of clamping ring (2) is provided with the internal thread, the outside of welding machine (1) be provided with internal thread assorted external screw thread, and welding machine (1) can be dismantled through internal thread and external screw thread with clamping ring (2) and be connected, fixture block (7) and draw-in groove (9) phase-match, connecting block (4) are connected through fixture block (7) and draw-in groove (9) block with clamping ring (2).

2. An optical fiber laser welding apparatus according to claim 1, wherein: the outside of threaded rod (14) is provided with the external screw thread, and the quantity of external screw thread is two sets of, and is two sets of external screw thread opposite direction, the quantity of slider (16) is two sets of, and is two sets of the inside of slider (16) all is provided with threaded rod (14) assorted screw hole, and the bottom of screw hole be provided with loop bar (15) assorted through-hole, slider (16) run through operation panel (12) and extend to its top, and the inside of operation panel (12) is provided with the sliding tray, slider (16) and sliding tray sliding connection.

3. An optical fiber laser welding apparatus according to claim 1, wherein: one side of action wheel (20) is connected with from the driving wheel, and action wheel (20) meshes with from the driving wheel mutually, the bottom of action wheel (20) is provided with first drive wheel, and action wheel (20) meshes with first drive wheel mutually, one side of first drive wheel is provided with the second drive wheel, and first drive wheel meshes with the second drive wheel mutually, the quantity of cleaning roller (21) is four groups, four groups cleaning roller (21) all run through mounting bracket (18) and extend to its inside, and four groups cleaning roller (21) all rotate with mounting bracket (18) and are connected.

4. An optical fiber laser welding apparatus according to claim 1, wherein: the top of shower nozzle (22) is connected with the input tube, and the outside of input tube is connected with the control valve, the bottom of cleaning roller (21) is provided with the collection storehouse, and the inside in collection storehouse is provided with the filter screen, the filter screen passes through the fixture block and is connected with the collection storehouse block, and the bottom in collection storehouse is provided with the drain pipe, and the outside of drain pipe is connected with the control valve.

5. An optical fiber laser welding apparatus according to claim 1, wherein: one side of mounting bracket (18) is provided with the connecting plate, and the inside of connecting plate is provided with the through-hole, the top of fixed plate (23) is provided with the sliding tray, the bottom of clamping jaw (25) is provided with the installation piece, and the bottom of installation piece is connected with the slider, the slider matches with the sliding tray, clamping jaw (25) and fixed plate (23) sliding connection.

6. An optical fiber laser welding apparatus according to claim 1, wherein: the both sides of first cooling piece (28) all are provided with the slider, the inside in cooling storehouse (26) is provided with slider assorted spout, and cools off storehouse (26) and first cooling piece (28) sliding connection, the top of water-cooling intermediate layer (29) is connected with the inlet tube, and the bottom of water-cooling intermediate layer (29) is connected with the outlet pipe, the outside of inlet tube and outlet pipe all is provided with the control valve.

7. An optical fiber laser welding apparatus according to claim 1, wherein: the quantity of water-cooling intermediate layer (29) is two sets of, and wherein a set of water-cooling intermediate layer (29) is located the inside of second cooling block (31), and one side of second cooling block (31) is provided with the inlet tube, the bottom that one side of second cooling block (31) is located the inlet tube is connected with the outlet pipe, and the outside of inlet tube and outlet pipe all is connected with the control valve.

8. An optical fiber laser welding apparatus according to claim 1, wherein: the output of second cylinder (32) is connected with the movable plate, and the both sides of movable plate all are provided with the slider, the inside both sides of fixed storehouse (30) all be provided with slider assorted spout, and second cooling block (31) and fixed storehouse (30) sliding connection, the top of fixed storehouse (30) is provided with the through-hole, and fixed storehouse (30) and through-hole swing joint.