Automatic positioning laser welding device

Abstract

The utility model belongs to the technical field of accessory devices of laser welding equipment, and particularly relates to an automatic positioning laser welding device which comprises a rotating mechanism, an adjusting device, a clamping mechanism and a shielding device. The rotating mechanism is arranged at the upper end of the base (1), and the adjusting device is arranged on the upper surface of a worm gear (303) of the rotating mechanism; a plurality of sliding grooves (201) are formed in the adjusting device, the extending directions of the sliding grooves (201) all pass through the center point of an adjusting block (404) of the adjusting device, the surface of the adjusting block (404) is divided into a plurality of uniform parts, and the clamping mechanisms matched with the sliding grooves (201) in number penetrate through the corresponding sliding grooves (201) respectively so as to be connected with the adjusting device in a sliding mode. A vertical long groove (202) is formed in a supporting arm (304) of the rotating mechanism, and the shielding device is arranged on the long groove (202) and further connected with the rotating mechanism in a sliding mode. The welding precision and the working efficiency of equipment can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to laser welding equipment accessory technical field, concretely relates to an automatic positioning laser welding device. BACKGROUND

[0002] Laser welding is a kind of precision welding method using high-energy density laser beam as heat source, this method generates highly concentrated heat energy in a very small area through focusing laser beam, thereby rapidly heating and melting the material to be welded, laser welding technology can accurately control the width, energy, peak power and repetition frequency of laser pulse and other parameters, so that the material melts to form a molten pool, and a firm weld is formed after cooling, laser beam can be focused to a very small diameter, which makes laser welding very suitable for precision welding of micro and small parts, compared with traditional welding method, laser welding is faster, improves production efficiency, the most common laser welding equipment at present is laser welding machine, laser welding machine is a kind of equipment used for laser welding of workpiece in industrial production process, which has been widely used in the field of industrial production.

[0003] The existing laser welding machine is placed in a proper position when used, emits laser through the laser emitter of laser welding, and is placed at an oblique angle with the laser to heat and weld, it is found in the use of the existing laser welding machine that the laser welding precision is high, but the workpiece is placed manually during processing, which leads to low welding precision of the equipment, and therefore leads to low working efficiency of the equipment. UTILITY MODEL CONTENTS

[0004] (I) technical problem to be solved

[0005] The technical problem to be solved by the utility model is how to provide an automatic positioning laser welding device that can automatically calibrate workpieces, improve the welding precision of the equipment and improve the working efficiency of the equipment.

[0006] (II) technical scheme

[0007] To solve the above technical problems, the utility model provides an automatic positioning laser welding device, the welding device is installed on base (1), and the welding device comprises rotating mechanism, adjusting device, clamping mechanism and shielding device.

[0008] The rotating mechanism is arranged on the upper end of the base (1), and the adjusting device is arranged on the upper surface of the worm wheel (303) of the rotating mechanism; a plurality of sliding grooves (201) are arranged on the adjusting device, the extension directions of the plurality of sliding grooves (201) all pass through the center point of the adjusting block (404) of the adjusting device, and the surface of the adjusting block (404) is divided into a plurality of uniform parts, and the number of the clamping mechanisms matched with the number of the sliding grooves (201) respectively pass through a corresponding sliding groove (201), so as to be in sliding connection with the adjusting device.

[0009] The support arm (304) of the rotating mechanism is provided with a vertical long groove (202), and the shielding device is arranged on the long groove (202), and is in sliding connection with the rotating mechanism.

[0010] In the process of welding the workpiece, the rotating mechanism is started to rotate for horizontal adjustment, and the adjusting device is used for vertical adjustment, so as to change the angle and position of the workpiece, and the clamping mechanism is used for adaptive clamping of different workpieces, and in the process, the height of the shielding device is adjusted and the shielding device is shielded.

[0011] The rotating mechanism includes a worm (301), a servo motor (302), a worm wheel (303), a support arm (304), a welding machine (305) and a signal sensor (306), the disc-shaped worm wheel (303) is rotationally connected with the top end of the base (1), a pair of mounting seats (307) are additionally arranged on the base (1), the two ends of the worm (301) pass through the two mounting seats (307) and are connected with the base (1), the worm (301) is engaged with the worm wheel (303), and the servo motor (302) is connected with the power input end of the worm (301).

[0012] On the base (1), a support arm (304) is vertically arranged at a position opposite to the mounting seat (307), and the welding machine (305) and the signal sensor (306) are respectively connected to the upper end of the support arm (304).

[0013] The adjusting device includes an electric push rod (401), a connecting rod (402), a supporting rod (403) and an adjusting block (404), the worm wheel (303) and the first connecting end of the connecting rod (402) are both provided with a winding seat, the two ends of the electric push rod (401) pass through the corresponding winding seats and are rotationally connected with the connecting rod (402) and the worm wheel (303), the supporting rod (403) is arranged at the center position of the top end of the worm wheel (303), the lower surface of the adjusting block (404) is provided with a supporting groove (406) matching in size with the upper surface of the supporting rod (403), the upper end surface of the supporting rod (403) is embedded into the supporting groove (406), and the supporting rod (403) is rotationally connected with the adjusting block (404), and the second connecting end of the connecting rod (402) is connected with the adjusting block (404).

[0014] The clamping mechanism comprises a sliding block (501), a bolt (502), a screw rod (503) and a top block (504), a plurality of groups of sliding blocks (501) pass through corresponding sliding grooves (201) respectively to be in sliding connection with the adjusting block (404), screw holes (505) are formed in the sliding blocks (501), a plurality of groups of bolts (502) pass through corresponding screw holes (505) to be in threaded connection with the sliding blocks (501), and the sliding blocks (501) are adjusted and fixed at corresponding positions on the sliding grooves (201) by fastening and loosening of the bolts (502).

[0015] Threaded holes (506) are formed in each group of sliding blocks (501) along the extension direction of the sliding grooves (201), and a plurality of groups of screw rods (503) pass through corresponding threaded holes (506) to be in threaded connection with corresponding sliding blocks (501), and a top block (504) is arranged at the end of each screw rod (503).

[0016] The number of the sliding grooves (201) and the clamping mechanism is four.

[0017] The shielding device comprises a lifting strip (601), a rotating knob (602), a baffle (603) and a supporting rod (604), the lifting strip (601) is arranged on the vertical long groove (202) of the supporting arm (304) to form a vertical relative sliding relationship with the supporting arm (304), a rotating hole (605) is formed in the lifting strip (601), a plurality of groups of rotating knobs (602) pass through corresponding rotating holes (605) to be in threaded connection with the lifting strip (601), the lifting strip (601) is adjusted and fixed at corresponding positions on the long groove (202) by fastening and loosening of the rotating knobs (602), positioning seats are arranged on the lifting strip (601) and the baffle (603), and both ends of the supporting rod (604) pass through corresponding positioning seats to be in rotary connection with the lifting strip (601) and the baffle (603).

[0018] The welding device further comprises a handle (7), and a connecting seat (8) is arranged on the supporting arm (304), and the handle (7) is in rotary connection with the supporting arm (304) through the connecting seat (8).

[0019] The welding device further comprises rubber pads (9), and a plurality of groups of rubber pads (9) are uniformly arranged on corresponding top blocks (504).

[0020] The welding device is further provided with a plurality of groups of friction grooves (10) arranged uniformly at the bottom end of the base (1).

[0021] (Three) beneficial effects

[0022] Compared with the prior art, the welding device has the beneficial effects that:

[0023] In the process of laser welding, the workpiece is adjusted in multiple directions by starting the rotating device in cooperation with the adjusting device, so that the automation level of equipment adjustment is improved.

[0024] The clamping is carried out through the sliding clamping mechanism, and the universality of equipment clamping is improved in a multi-directional fixing and threaded adjusting mode.

[0025] In the process of laser welding, the sliding shielding device shields the welding area, so that the safety of equipment processing is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1 is a structural schematic diagram of the utility model;

[0027] Fig. 2 is a connection structure schematic diagram of the base and the worm gear of the utility model;

[0028] Fig. 3 is a local enlarged structure schematic diagram of A of the utility model;

[0029] Fig. 4 is a local enlarged structure schematic diagram of B of the utility model;

[0030] In the drawings, 1, base; 201, sliding groove; 202, long slot; 301, worm; 302, servo motor; 303, worm gear; 304, support arm; 305, welding machine; 306, signal sensor; 307, mounting seat; 401, electric push rod; 402, connecting rod; 403, supporting rod; 404, adjusting block; 405, twisting seat; 406, supporting groove; 501, sliding block; 502, bolt; 503, screw; 504, top block; 505, screw hole; 506, threaded hole; 601, lifting bar; 602, knob; 603, baffle; 604, support rod; 605, rotating hole; 606, positioning seat; 7, handle; 8, connecting seat; 9, rubber pad; 10, friction groove. DETAILED DESCRIPTION

[0031] In order to make the purpose, content and advantages of the utility model more clear, the specific embodiments of the utility model are described in further detail below in combination with the drawings and examples.

[0032] Example 1

[0033] As Figs. 1 to 4The utility model provides a kind of automatic positioning laser welding device shown, the welding device is installed on base 1, the welding device includes rotating mechanism, adjusting device, clamping mechanism and shielding device, rotating mechanism is set on the upper end of base 1, adjusting device is set on the upper surface of worm wheel 303 of rotating mechanism;Adjusting device is provided with multiple grooves 201, the extension direction of the multiple grooves 201 all passes through the center point of the adjusting block 404 of adjusting device, and the surface of adjusting block 404 is divided into several uniform parts, and the number of groove 201 is matched with clamping mechanism respectively through corresponding one groove 201, to be slidably connected with adjusting device;Rotating mechanism is provided with vertical long groove 202 on support arm 304, shielding device is set on long groove 202, to be slidably connected with rotating mechanism;In the process of welding workpiece, rotating mechanism is started to rotate and is adjusted horizontally, cooperating with adjusting device to be adjusted vertically, to change the angle and position of workpiece, different workpieces are adaptively clamped by clamping mechanism, in the process, height is adjusted and shielded by shielding device, to improve the automation level of welding device, so as to improve the working efficiency of welding device.

[0034] As the preferred embodiment of the above, the rotating mechanism includes worm 301, servo motor 302, worm wheel 303, support arm 304, welding machine 305 and signal sensor 306, the disc-shaped worm wheel 303 is rotatably connected with the top end of base 1, a pair of mounting seats 307 are additionally provided on base 1, both ends of worm 301 pass through two mounting seats 307 and are connected with base 1, worm 301 and worm wheel 303 are engaged, servo motor 302 is connected with the power input end of worm 301;

[0035] On base 1, support arm 304 is vertically arranged at a position opposite to the mounting seat 307, welding machine 305 and signal sensor 306 are connected with the upper end of support arm 304, worm 301 connected with servo motor 302 is driven to rotate by starting servo motor 302, to drive worm wheel 303 to rotate, welding machine 305 is supported by cooperating with support arm 304, signal sensor 306 is controlled by emitting signal to it, to improve the automation level of welding device, so as to improve the working efficiency of welding device.

[0036] As the preferred of the above embodiment, the adjusting device comprises an electric push rod 401, a connecting rod 402, a supporting rod 403 and an adjusting block 404, the worm wheel 303 and the first connecting end of the connecting rod 402 are both provided with a winding base, the two ends of the electric push rod 401 are respectively connected with the connecting rod 402 and the worm wheel 303 through the corresponding winding bases, the supporting rod 403 is arranged at the top center of the worm wheel 303, the lower surface of the adjusting block 404 is provided with a supporting groove 406 with the same size as the upper surface of the supporting rod 403, the upper end surface of the supporting rod 403 is embedded into the supporting groove 406, and the supporting rod 403 is rotatably connected with the adjusting block 404, and the second connecting end of the connecting rod 402 is connected with the adjusting block 404; the electric push rod 401 is started to drive the connecting rod 402 connected therewith to rotate around the winding base, and the connecting rod 402 drives the adjusting block 404 to make a overturning movement in the vertical plane at the same time, so that the workpiece in the clamped state makes an overturning movement in the vertical plane, and the special recessed parts of part of the workpiece can be exposed to the welding machine, the precise welding of the special recessed parts of the workpiece is realized, and the adjusting performance of the welding device is improved, so the working efficiency of the welding device is improved.

[0037] As the preferred of the above embodiment, the clamping mechanism comprises a sliding block 501, a bolt 502, a screw rod 503 and a top block 504, a plurality of groups of sliding blocks 501 are respectively connected with the adjusting block 404 through the corresponding sliding grooves 201, the sliding block 501 is provided with a screw hole 505, a plurality of groups of bolts 502 are respectively connected with the sliding block 501 through the corresponding screw holes 505, and the adjustment and fixation of the sliding block 501 at the corresponding position on the sliding groove 201 are realized by the fastening and loosening of the bolt 502.

[0038] The threaded hole 506 is arranged on each group of sliding blocks 501 along the extension direction of the sliding groove 201, each group of screw rods 503 is respectively connected with the corresponding sliding block 501 through the corresponding threaded hole 506, and the top block 504 is arranged at the end of each screw rod 503.

[0039] In the process of clamping the workpiece, the sliding block 501 is adjusted to the appropriate position on the sliding groove 201, the bottom is fixed by rotating the bolt 502, and the workpiece is clamped by displacing the top block 504 by rotating the screw rod 503 again, so as to improve the adjustability of the clamping of the welding device, and thus the working efficiency of the welding device is improved.

[0040] As the preferred of the above embodiment, the shielding device further comprises a lifting bar 601, a rotating knob 602, a baffle 603 and a supporting rod 604, the lifting bar 601 is arranged on the vertical long slot 202 of the supporting arm 304 to form a vertical relative sliding relationship with the supporting arm 304, the lifting bar 601 is provided with a rotating hole 605, a plurality of rotating knobs 602 are respectively screwed with the lifting bar 601 through the corresponding rotating holes 605, and the adjustment and fixation of the lifting bar 601 at the corresponding position of the long slot 202 are realized by tightening and loosening the rotating knobs 602; the lifting bar 601 and the baffle 603 are both provided with positioning seats, and the both ends of the supporting rod 604 are respectively penetrated through the corresponding positioning seats, so that the supporting rod 604 is respectively rotatably connected with the lifting bar 601 and the baffle 603; in the process of shielding the workpiece, the lifting bar 601 is adjusted and displaced on the long slot 202 by sliding, and the lifting bar 601 is fixed on the long slot 202 by rotating the rotating knob 602, and in this process, the baffle 603 is rotated to drive the supporting rod 604 connected therewith to rotate, so as to shield the workpiece, thereby improving the safety of the welding device processing, and thus improving the working efficiency of the welding device.

[0041] As the preferred of the above embodiment, the welding device further comprises a handle 7, the supporting arm 304 is provided with a connecting seat 8, and the handle 7 is rotatably connected with the supporting arm 304 through the connecting seat 8; in the process of displacing the device, the handle is rotated to pull the device, so as to improve the portability of the welding device, and thus improve the working efficiency of the welding device.

[0042] As the preferred of the above embodiment, the welding device further comprises a rubber pad 9, a plurality of rubber pads 9 are uniformly arranged on the corresponding top block 504; in the process of supporting by the top block, the rubber pad is added, so as to improve the stability of clamping of the welding device, and thus improve the working efficiency of the welding device.

[0043] As the preferred of the above embodiment, the welding device is further provided with a friction groove 10, a plurality of friction grooves 10 are uniformly arranged at the bottom end of the base 1; in the process of supporting by the base, the stability of supporting of the welding device is improved by the friction groove, and thus the working efficiency of the welding device is improved.

[0044] The utility model discloses a kind of automatic positioning laser welding devices with strong automation, when working, starting rotating device rotates to carry out horizontal adjustment, cooperate adjusting device to carry out longitudinal adjustment, to change the angle and position of workpiece, different workpieces are adaptively clamped by clamping mechanism, in this process, by shielding device shielding, by starting servo motor drives the worm connected therewith to rotate, the connection end relationship of worm gear and worm makes worm gear rotate, cooperate support arm to support welding, by emitting signal to signal sensor to control, starting electric pushrod drives the connecting rod connected therewith to rotate, connecting rod rotation drives adjusting block to rotate on support rod, to carry out longitudinal rotation to equipment, sliding block is adjusted to appropriate position, by rotating bolt to be fixed at bottom, again by rotating screw rod drives top block displacement to workpiece clamping, sliding lifting bar makes it follow the size of workpiece and carry out displacement adjustment, rotate knob and lifting bar are fixed, in this process, rotating baffle drives the support rod connected therewith to rotate, to workpiece is shielded in this way.

[0045] The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for illustrative purposes.

[0046] The "first", "second", "third" in the utility model patent do not represent the specific number and order, but only for the name of the distinction.

[0047] The above is only preferred embodiment of the utility model, it should be pointed out, for ordinary skilled person in the art, without departing from the technical principle of the utility model, can make several improvements and deformation, these improvements and deformation also should be considered as the protection scope of the utility model.

Claims

1. An automatic positioning laser welding apparatus, characterized by, The welding device is installed on the base (1), and comprises a rotating mechanism, an adjusting device, a clamping mechanism and a shielding device; The rotating mechanism is arranged on the upper end of the base (1), and the adjusting device is arranged on the upper surface of the worm wheel (303) of the rotating mechanism; a plurality of sliding grooves (201) are arranged on the adjusting device, the extension directions of the plurality of sliding grooves (201) all pass through the center point of the adjusting block (404) of the adjusting device, and the surface of the adjusting block (404) is divided into a plurality of uniform parts, and the number of the clamping mechanisms matched with the number of the sliding grooves (201) respectively pass through corresponding sliding grooves (201), so as to be in sliding connection with the adjusting device; The vertical long groove (202) is arranged on the supporting arm (304) of the rotating mechanism, and the shielding device is arranged on the long groove (202), so as to be in sliding connection with the rotating mechanism.

2. The automatic positioning laser welding apparatus of claim 1, wherein, During the welding of the workpiece, the rotating mechanism is started to rotate for horizontal adjustment, and the adjusting device is used for vertical adjustment, so as to change the angle and position of the workpiece, and the clamping mechanism is used for adaptive clamping of different workpieces; during the process, the height of the shielding device is adjusted and the shielding device is shielded.

3. The automatic positioning laser welding apparatus of claim 1, wherein, The rotating mechanism comprises a worm (301), a servo motor (302), a worm wheel (303), a supporting arm (304), a welding machine (305) and a signal sensor (306); the disc-shaped worm wheel (303) is rotationally connected with the top end of the base (1); a pair of mounting seats (307) are additionally arranged on the base (1); the two ends of the worm (301) pass through the two mounting seats (307) and are connected with the base (1); the worm (301) is engaged with the worm wheel (303); the servo motor (302) is connected with the power input end of the worm (301). On the base (1), a supporting arm (304) is vertically arranged at a position opposite to the mounting seat (307); the top end of the supporting arm (304) is connected with the welding machine (305) and the signal sensor (306).

4. The automatic positioning laser welding apparatus of claim 3, wherein, The adjusting device comprises an electric push rod (401), a connecting rod (402), a supporting rod (403) and an adjusting block (404); the worm wheel (303) and the first connecting end of the connecting rod (402) are both provided with a winding seat; the two ends of the electric push rod (401) pass through the corresponding winding seats and are rotationally connected with the connecting rod (402) and the worm wheel (303); the supporting rod (403) is arranged at the center position of the top end of the worm wheel (303); the lower surface of the adjusting block (404) is provided with a supporting groove (406) matching the size of the upper surface of the supporting rod (403); the upper end surface of the supporting rod (403) is embedded into the supporting groove (406), so as to be rotationally connected with the adjusting block (404); the second connecting end of the connecting rod (402) is connected with the adjusting block (404).

5. The automatic positioning laser welding apparatus of claim 4, wherein, The clamping mechanism comprises sliders (501), bolts (502), screws (503) and top blocks (504), a plurality of groups of sliders (501) pass through corresponding sliding grooves (201) respectively to be in sliding connection with the adjusting blocks (404), the sliders (501) are provided with screw holes (505), a plurality of groups of bolts (502) pass through corresponding screw holes (505) to be in threaded connection with the sliders (501), the sliders (501) are adjusted and fixed at corresponding positions on the sliding grooves (201) by fastening and loosening of the bolts (502); Each group of sliders (501) is provided with a threaded hole (506) in the extension direction of the sliding groove (201), and each group of screws (503) passes through the corresponding threaded hole (506) and is in threaded connection with the corresponding slider (501), and one top block (504) is arranged at the end of each screw (503).

6. The automatic positioning laser welding apparatus of claim 5, wherein, The number of the sliding grooves (201) and the clamping mechanism is four.

7. The automatic positioning laser welding apparatus of claim 3, wherein, The shielding device comprises lifting bars (601), knobs (602), baffles (603) and support rods (604), the lifting bars (601) are arranged on the vertical long grooves (202) of the support arms (304) to form a vertical relative sliding relationship with the support arms (304), the lifting bars (601) are provided with rotating holes (605), a plurality of groups of knobs (602) pass through corresponding rotating holes (605) to be in threaded connection with the lifting bars (601), the lifting bars (601) are adjusted and fixed at corresponding positions on the long grooves (202) by fastening and loosening of the knobs (602); the lifting bars (601) and the baffles (603) are provided with positioning seats, and the two ends of the support rods (604) pass through corresponding positioning seats to be in rotary connection with the lifting bars (601) and the baffles (603) respectively.

8. The automatic positioning laser welding apparatus of claim 3, wherein, The welding device further comprises a handle (7), the support arm (304) is provided with a connecting seat (8), and the handle (7) is in rotary connection with the support arm (304) through the connecting seat (8).

9. The automatic positioning laser welding apparatus of claim 5, wherein, The welding device further comprises rubber pads (9), and a plurality of groups of rubber pads (9) are uniformly arranged on corresponding top blocks (504).

10. The automatic positioning laser welding apparatus of claim 1, wherein, The welding device is further provided with friction grooves (10), and a plurality of groups of friction grooves (10) are uniformly arranged at the bottom end of the base (1).

Images