Laser head driving mechanism

Abstract

The utility model belongs to the technical field of laser welding, and particularly relates to a laser head driving mechanism which comprises a welding base station. A first electric sliding rail is fixedly connected to the side wall of the welding base table. A stand column is fixedly connected to the top of the first electric sliding rail. A second electric sliding rail is slidably connected to the middle of the stand column. The bottom of the second electric sliding rail is fixedly connected with an electric telescopic rod. The bottom of the electric telescopic rod is fixedly connected with a laser base station; the bottom of the laser base station is fixedly connected with a laser transmitter; by arranging a first elastic piece and a breather pipe, metal chippings generated during welding can be collected during welding, the dust problem caused by chipping splashing is reduced, the situation that welding chippings fall on the surface of a weldment can be reduced, and the welding position can be observed more conveniently; and when welding is finished, air exhaust of the interior of the air pipe is stopped, at the moment, the first elastic pieces fall, the two symmetrically-arranged first elastic pieces are closed, falling of welding metal chippings in the dust collection box and the ventilation pipe is reduced, and collection of the welding chippings is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of laser welding, and specifically relates to a laser head driving mechanism. Background Art

[0002] Laser welding is an efficient and precise welding method that uses a laser beam with a high energy density as a heat source. Laser welding is one of the important aspects of the application of laser material processing technology. It is mainly used for welding thin-walled materials and low-speed welding. The welding process belongs to the heat conduction type, that is, the laser radiation heats the surface of the workpiece, and the surface heat diffuses inward through heat conduction. By controlling parameters such as the width, energy, peak power, and repetition frequency of the laser pulse, the workpiece is melted to form a specific molten pool. Due to its unique advantages, it has been successfully applied to the precision welding of micro and small parts.

[0003] During the laser welding process, welding metal debris will be generated. If the welding metal debris is not collected and cleaned in time, the debris is likely to enter the laser welding assembly and corrode the laser welding assembly.

[0004] Therefore, the utility model provides a laser head driving mechanism. Content of the Utility Model

[0005] In order to make up for the deficiencies of the prior art and solve at least one of the technical problems proposed in the background art.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: A laser head driving mechanism described in the utility model includes a welding base; a first electric slide rail is fixedly connected to the side wall of the welding base; a column is fixedly connected to the top of the first electric slide rail; a second electric slide rail is slidably connected to the middle of the column; an electric telescopic rod is fixedly connected to the bottom of the second electric slide rail; a laser base is fixedly connected to the bottom of the electric telescopic rod; a laser emitter is fixedly connected to the bottom of the laser base; two first connecting columns are fixedly connected to the bottom of the laser base; the two first connecting columns are symmetrically arranged; a dust suction box is fixedly connected to the bottom of the first connecting column; the dust suction box is a hollow triangular prism structure; an air pipe is communicated with the side wall of the dust suction box; two first elastic sheets are fixedly connected to the inner wall of the dust suction box; the two first elastic sheets are symmetrically arranged; by setting the first elastic sheets and the air pipe, the metal debris generated during welding can be collected during welding, reducing the dust problem caused by debris splashing, and also reducing the welding debris from falling on the surface of the welded part, making it easier to observe the welding position; when the welding is completed, the air extraction inside the air pipe is stopped, and at this time, the first elastic sheets fall, and the two symmetrically arranged first elastic sheets form a closure, reducing the falling of the welding metal debris in the dust suction box and the air pipe, realizing the collection of welding debris.

[0007] Preferably, a collection box is communicated with the side wall of the dust suction box; a first filter screen is provided on the side wall of the collection box; two clamping grooves are fixedly connected to the side wall of the collection box; the two clamping grooves are symmetrically arranged; a pull baffle is slidably connected in the two symmetrically arranged clamping grooves; the pull baffle has the same area as the first filter screen; by providing the dust suction box and the first filter screen, during back blowing, the welding metal debris in the ventilation pipe and the dust suction box can be collected in the collection box, reducing the problem that the ventilation pipe is blocked due to the accumulation of welding metal debris in the dust suction box.

[0008] Preferably, a third filter screen is fixedly connected to the inner wall of the dust suction box; a plurality of springs are fixedly connected to the top of the third filter screen; a second filter screen is fixedly connected to the top of the springs; a plurality of dredging columns are fixedly connected to the bottom of the second filter screen; a plurality of limiting rods are fixedly connected to the bottom of the second filter screen; the limiting rods are slidably connected to the third filter screen; this reduces the entry of metal debris into the ventilation pipe and blocks the ventilation pipe; by providing the second filter screen, the metal debris can be further filtered and blocked, further reducing the problem of the ventilation pipe being blocked by metal debris; during back blowing, the second filter screen moves downward due to the airflow, and the dredging columns at the bottom of the second filter screen move synchronously. At this time, the dredging columns penetrate through the holes of the third filter screen, realizing the cleaning of the impurities and welding debris attached to the third filter screen, and reducing the accumulation of welding metal debris at the bottom of the third filter screen; by providing the limiting rods, the sliding position of the second filter screen can be restricted, reducing the misaligned sliding of the dredging columns, and enabling the dredging columns to more accurately dredge the holes in the third filter screen.

[0009] Preferably, an elastic band is fixedly connected to the side wall of the column; the other end of the elastic band is fixedly connected to the electric telescopic rod; during use, the elastic band shields the bottom of the second electric slide rail, preventing welding metal debris from splashing onto the bottom of the second electric slide rail and reducing the corrosion of the second electric slide rail by welding metal debris; by providing the elastic band, the accumulation of splashed welding debris on the surface of the second electric slide rail can be reduced, reducing the problem of the second electric slide rail not sliding smoothly due to the accumulation of welding debris on the surface of the second electric slide rail.

[0010] Preferably, a plurality of square sleeves are slidably connected to the middle of the second electric slide rail; a second connecting column is fixedly connected to the bottom of the square sleeve; the bottom of the second connecting column is fixedly connected to the elastic band; by providing the square sleeve and the second connecting column, the elastic band can be limited, reducing the deformation and sag of the elastic band due to its own gravity factor, playing a fixing role for the elastic band, and reducing the welding problems caused by the deformation and sag of the elastic band.

[0011] Preferably, a second elastic sheet is fixedly connected to the side wall of the column; the second elastic sheets are symmetrically arranged; the second elastic sheets are inclined; a plurality of V-shaped grooves are formed in the middle of the second electric slide rail; during use, the left and right sliding of the second electric slide rail causes the second elastic sheet to scrape across the V-shaped grooves, and at this time, the vibration generated by the second elastic sheet is conducted along the square collar and the second connecting column to the elastic belt, shaking off the welding metal debris attached to the elastic belt and reducing the accumulation of welding metal debris on the elastic belt.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. For the laser head driving mechanism of the present utility model, by providing a first elastic sheet and an air pipe, during welding, the metal debris generated by welding can be collected, reducing the dust problem caused by debris splashing, and also reducing the welding debris from falling on the surface of the welded part, making it easier to observe the welding position; at the end of welding, the air extraction inside the air pipe is stopped, and at this time, the first elastic sheet drops, and the two symmetrically arranged first elastic sheets form a closure, reducing the welding metal debris in the dust collection box and the air pipe from falling, realizing the collection of welding debris.

[0014] 2. For the laser head driving mechanism of the present utility model, when welding stops, the pull-out baffle is opened to blow air into the air pipe. At this time, the two symmetrically arranged first elastic sheets are in a closed state due to the airflow. The airflow flows into the collection box along the surface of the first elastic sheet and then flows out through the first filter screen. The welding metal debris in the dust collection box will move along the surface of the first elastic sheet into the collection box under the action of the airflow and then be blocked by the first filter screen, and the welding metal debris remains in the collection box; by providing a dust collection box and a first filter screen, during back blowing, the welding metal debris inside the air pipe and the dust collection box can be collected in the collection box, reducing the problem of the air pipe being blocked due to the accumulation of welding metal debris in the dust collection box. Description of the Drawings

[0015] The present utility model will be further described below with reference to the accompanying drawings.

[0016] Figure 1 is a perspective view of the present utility model;

[0017] Figure 2 is a schematic structural view of the dust collection box of the present utility model;

[0018] Figure 3 is a sectional view of the dust collection box in the present utility model;

[0019] Figure 4 is a schematic structural view of the second filter screen and the third filter screen in the present utility model;

[0020] Figure 5 is a schematic structural view of the pull rod in the present utility model;

[0021] In the figure: 1. first elastic sheet; 11. welding base; 12. first electric slide rail; 13. column; 14. second electric slide rail; 15. electric telescopic rod; 16. laser base; 17. laser transmitter; 18. first connecting column; 19. dust collection box; 101. ventilation pipe; 2. collection box; 21. first filter screen; 22. slot; 23. pull-out baffle; 3. second filter screen; 31. third filter screen; 32. limit rod; 33. spring; 34. dredging column; 4. elastic belt; 5. square ring; 51. second connecting column; 6. second elastic sheet; 61. V-shaped groove. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figures 1 to 3 As shown, it includes a welding base 11; a first electric slide rail 12 is fixedly connected to the side wall of the welding base 11; a column 13 is fixedly connected to the top of the first electric slide rail 12; a second electric slide rail 14 is slidably connected to the middle of the column 13; an electric telescopic rod 15 is fixedly connected to the bottom of the second electric slide rail 14; a laser base 16 is fixedly connected to the bottom of the electric telescopic rod 15; a laser emitter 17 is fixedly connected to the bottom of the laser base 16; two first connecting columns 18 are fixedly connected to the bottom of the laser base 16; the two first connecting columns 18 are symmetrically arranged; a dust box 19 is fixedly connected to the bottom of the first connecting column 18; the dust box 19 is a hollow triangular prism structure; the side wall of the dust box 19 is connected to a ventilation pipe 101; two first elastic sheets 1 are fixedly connected to the inner wall of the dust box 19; the two first elastic sheets 1 are symmetrically arranged; When in use, close the pull-out baffle 23 and evacuate the inside of the vent pipe 101. At this time, negative pressure is generated in the dust box 19. The two symmetrically arranged first elastic sheets 1 open upward due to the negative pressure. The metal debris generated by welding will be sucked into the dust box 19 due to the negative pressure, and then slide along the surface of the first elastic sheet 1 into the collection box 2; by providing the first elastic sheet 1 and the vent pipe 101, the metal debris generated by welding can be collected during welding, reducing the dust problem caused by the splashing of debris, and reducing the falling of welding debris on the surface of the weldment, making it easier to observe the welding position; when the welding is completed, stop evacuating the inside of the air pipe, and at this time the first elastic sheet 1 falls, and the two symmetrically arranged first elastic sheets 1 form a closure, reducing the falling of welding metal debris in the dust box 19 and the vent pipe 101, and realizing the collection of welding debris.

[0024] like Figures 1 to 3As shown, a collection box 2 is communicated with the side wall of the dust suction box 19; a first filter screen 21 is provided on the side wall of the collection box 2; two clamping grooves 22 are fixedly connected to the side wall of the collection box 2; the two clamping grooves 22 are symmetrically arranged; a pull baffle 23 is slidably connected in the two symmetrically arranged clamping grooves 22; the pull baffle 23 has the same area as the first filter screen 21; when welding stops, the pull baffle 23 is opened, and air is blown into the air pipe 101. At this time, the two symmetrically arranged first elastic pieces 1 are in a closed state due to the airflow. The airflow flows into the collection box 2 along the surface of the first elastic piece 1 and then flows out through the first filter screen 21. The welding metal debris in the dust suction box 19 will move along the surface of the first elastic piece 1 into the collection box 2 under the action of the airflow and then be blocked by the first filter screen 21, and the welding metal debris remains in the collection box 2; by providing the dust suction box 19 and the first filter screen 21, when back blowing, the welding metal debris inside the air pipe 101 and the dust suction box 19 can be collected in the collection box 2, reducing the problem that the welding metal debris accumulates in the dust suction box 19 and causes the air pipe 101 to be blocked.

[0025] As Figures 1 to 3 shown, a third filter screen 31 is fixedly connected to the inner wall of the dust suction box 19; a plurality of springs 33 are fixedly connected to the top of the third filter screen 31; a second filter screen 3 is fixedly connected to the top of the springs 33; a plurality of dredging columns 34 are fixedly connected to the bottom of the second filter screen 3; a plurality of limiting rods 32 are fixedly connected to the bottom of the second filter screen 3; the limiting rods 32 are slidably connected to the third filter screen 31; when in use, when air is pumped into the air pipe, the welding metal debris is sucked upward and then blocked and intercepted by the third filter screen 31, and part of the welding metal debris adheres to the bottom of the third filter screen 31; reducing the metal debris from entering the air pipe 101 and blocking the air pipe 101; by providing the second filter screen 3, the metal debris can be further filtered and blocked, further reducing the problem that the metal debris blocks the air pipe 101; when back blowing, the second filter screen 3 moves downward due to the airflow, and the dredging columns 34 at the bottom of the second filter screen 3 move synchronously. At this time, the dredging columns 34 penetrate through the holes of the third filter screen 31, realizing the cleaning of the impurities and welding debris attached to the third filter screen 31, and reducing the adhesion and accumulation of the welding metal debris at the bottom of the third filter screen 31; by providing the limiting rods 32, the sliding position of the second filter screen 3 can be limited, reducing the misaligned sliding of the dredging columns 34, and enabling the dredging columns 34 to more accurately dredge the holes on the third filter screen 31.

[0026] As Figure 1 、 Figure 5As shown in the figure, an elastic band 4 is fixedly connected to the side wall of the column 13; the other end of the elastic band 4 is fixedly connected to the electric telescopic rod 15; during use, the elastic band 4 shields the bottom of the second electric slide rail 14 to prevent welding metal debris from splashing onto the bottom of the second electric slide rail 14, reducing the corrosion of the second electric slide rail 14 by the welding metal debris; by providing the elastic band 4, the accumulation of splashed welding debris on the surface of the second electric slide rail 14 can be reduced, and the problem of poor sliding of the second electric slide rail 14 caused by the accumulation of welding debris on the surface of the second electric slide rail 14 can be reduced.

[0027] As Figures 1 to 3 shown in the figure, a plurality of square collar rings 5 are slidably connected to the middle of the second electric slide rail 14; a second connecting column 51 is fixedly connected to the bottom of the square collar ring 5; the bottom of the second connecting column 51 is fixedly connected to the elastic band 4; by providing the square collar ring 5 and the second connecting column 51, the elastic band 4 can be limited, reducing the deformation and sag of the elastic band 4 caused by its own gravity factor, playing a fixing role on the elastic band 4, and reducing the welding problems caused by the deformation and sag of the elastic band 4.

[0028] As Figure 5 shown in the figure, a second elastic sheet 6 is fixedly connected to the side wall of the column 13; the second elastic sheet 6 is symmetrically arranged; the second elastic sheet 6 is obliquely arranged; a plurality of V-shaped grooves 61 are formed in the middle of the second electric slide rail 14; during use, the left and right sliding of the second electric slide rail 14 causes the second elastic sheet 6 to scrape across the V-shaped grooves 61, and at this time, the vibration generated by the second elastic sheet 6 is transmitted to the elastic band 4 along the square collar ring 5 and the second connecting column 51, shaking off the welding metal debris attached to the elastic band 4 and reducing the accumulation of welding metal debris on the elastic band 4.

[0029] Working principle: When in use, close the pull-out baffle 23 and evacuate the inside of the ventilation pipe 101. At this time, a negative pressure is generated inside the dust collection box 19, and the two symmetrically arranged first elastic sheets 1 are opened upward due to the negative pressure. The metal debris generated by welding will be sucked into the dust collection box 19 due to the negative pressure, and then slide down along the surface of the first elastic sheet 1 into the collection box 2; when welding stops, open the pull-out baffle 23 and blow air into the ventilation pipe 101. At this time, the two symmetrically arranged first elastic sheets 1 are in a closed state due to the airflow. The airflow flows into the collection box 2 along the surface of the first elastic sheet 1 and then flows out through the first filter screen 21. The welding metal debris inside the dust collection box 19 will move into the collection box 2 along the surface of the first elastic sheet 1 under the action of the airflow, and then be blocked by the first filter screen 21. The welding metal debris remains in the collection box 2; by providing the dust collection box 19 and the first filter screen 21, the welding metal debris inside the ventilation pipe 101 and the dust collection box 19 can be collected in the collection box 2 during back blowing; when evacuating the air inside the air pipe, the welding metal debris is sucked upward and then blocked and intercepted by the third filter screen 31. Part of the welding metal debris adheres to the bottom of the third filter screen 31; reducing the entry of metal debris into the ventilation pipe 101 to block the ventilation pipe 101; by providing the second filter screen 3, the metal debris can be further filtered and blocked, further reducing the problem of the ventilation pipe 101 being blocked by metal debris; during back blowing, the second filter screen 3 moves downward due to the airflow, and the dredging column 34 at the bottom of the second filter screen 3 moves synchronously. At this time, the dredging column 34 passes through the holes of the third filter screen 31, realizing the cleaning of the impurities and welding debris attached to the third filter screen 31, and reducing the adhesion and accumulation of welding metal debris at the bottom of the third filter screen 31; the elastic band 4 shields the bottom of the second electric slide rail 14, preventing welding metal debris from splashing to the bottom of the second electric slide rail 14 and reducing the corrosion of the second electric slide rail 14 by welding metal debris; the left and right sliding of the second electric slide rail 14 causes the second elastic sheet 6 to scrape across the V-shaped groove 61. At this time, the vibration generated by the second elastic sheet 6 is conducted to the elastic band 4 along the square collar 5 and the second connecting column 51, shaking off the welding metal debris attached to the elastic band 4.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A laser head driving mechanism, characterized in that: It includes a welding base (11); a first electric slide rail (12) is fixedly connected to the side wall of the welding base (11); a column (13) is fixedly connected to the top of the first electric slide rail (12); a second electric slide rail (14) is slidably connected to the middle of the column (13); an electric telescopic rod (15) is fixedly connected to the bottom of the second electric slide rail (14); a laser base (16) is fixedly connected to the bottom of the electric telescopic rod (15); a laser emitter (17) is fixedly connected to the bottom of the laser base (16); two first connecting columns (18) are fixedly connected to the bottom of the laser base (16); the two first connecting columns (18) are symmetrically arranged; a dust suction box (19) is fixedly connected to the bottom of the first connecting column (18); the dust suction box (19) is a hollow triangular prism structure; an air pipe (101) is communicated with the side wall of the dust suction box (19); two first elastic sheets (1) are fixedly connected to the inner wall of the dust suction box (19); the two first elastic sheets (1) are symmetrically arranged.

2. The laser head driving mechanism according to claim 1, characterized in that: A collection box (2) is communicated with the side wall of the dust suction box (19); a first filter screen (21) is arranged on the side wall of the collection box (2); two card slots (22) are fixedly connected to the side wall of the collection box (2); the two card slots (22) are symmetrically arranged; a pull-out baffle (23) is slidably connected in the two symmetrically arranged card slots (22); the pull-out baffle (23) has the same area as the first filter screen (21).

3. The laser head driving mechanism according to claim 2, wherein: A third filter screen (31) is fixedly connected to the inner wall of the dust suction box (19); a plurality of springs (33) are fixedly connected to the top of the third filter screen (31); a second filter screen (3) is fixedly connected to the top of the spring (33); a plurality of dredging columns (34) are fixedly connected to the bottom of the second filter screen (3); a plurality of limiting rods (32) are fixedly connected to the bottom of the second filter screen (3); the limiting rods (32) are slidably connected to the third filter screen (31).

4. The laser head driving mechanism according to claim 3, characterized in that: An elastic band (4) is fixedly connected to the side wall of the column (13); the other end of the elastic band (4) is fixedly connected to the electric telescopic rod (15).

5. A laser head driving mechanism according to claim 4, characterized in that: A plurality of square sleeves (5) are slidably connected to the middle of the second electric slide rail (14); a second connecting column (51) is fixedly connected to the bottom of the square sleeve (5); the bottom of the second connecting column (51) is fixedly connected to the elastic band (4).

6. The laser head driving mechanism according to claim 5, wherein: A second elastic sheet (6) is fixedly connected to the side wall of the column (13); the second elastic sheets (6) are symmetrically arranged; the second elastic sheets (6) are inclined; a plurality of V-shaped grooves (61) are arranged in the middle of the second electric slide rail (14).

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