Laser welding device for hardware machining

Abstract

The laser welding device comprises a bottom frame, a first material box is arranged in the middle of the top of the bottom frame, a translation rotating mechanism and a supporting table are arranged on the left side and the right side of the top of the bottom frame correspondingly, an air bag and a suction cup are arranged at the output end of the translation rotating mechanism, and penetrating holes allowing the air bag and the suction cup to penetrate through are formed in the left side wall and the right side wall of the first material box; a lifting mechanism is arranged in the first material box and can be matched with the translation rotating mechanism to feed round pipes and discharge finished products, a first linear module is horizontally arranged on the right side of the first material box, and a laser welding head and a second material box used for top cover feeding are fixedly connected to the two sides of the output end of the first linear module correspondingly. Through cooperative cooperation of the translation rotating mechanism, the supporting table, the lifting mechanism and the limiting assembly, precise positioning and stable positioning of the round pipe and the top cover are achieved, in the welding process, the round pipe and the top cover can keep the stable relative position, the consistency and stability of the welding quality are guaranteed, and the quality of a welded finished product is effectively guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of laser welding equipment, and in particular to a laser welding device for hardware processing. Background Art

[0002] Hardware usually refers to a type of metal products, mainly including various metal parts and accessories, which are used to manufacture, repair or strengthen various equipment, machines or structures. These parts are usually made of metal materials and are used for connection, fixation, support, decoration and other purposes. Stainless steel round tubes are a common type of hardware. During their manufacturing process, they need to be welded and sealed. In the traditional welding method, the round tube and the top cover are clamped separately by a clamp, and then the welding gun is manually rotated around the connection between the round tube and the top cover while welding. The operator's work intensity is relatively high, and it is easy for human factors to cause the positioning of the round tube and the top cover to be unbalanced, affecting the quality of the welded product. Summary of the Invention

[0003] In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a laser welding device for hardware processing.

[0004] Technical solution: A laser welding device for hardware processing comprises a base frame, a material box 1 is arranged in the middle of the top of the base frame, a translation and rotation mechanism and a support platform are respectively arranged on the left and right sides of the top of the base frame, an air bag and a suction cup are arranged on the output end of the translation and rotation mechanism, the air bag is used to fix the round tube, and the suction cup is used to fix the top cover, the left and right side walls of the material box 1 are provided with through holes for the air bag and the suction cup to pass through, a lifting mechanism is arranged in the material box 1, the lifting mechanism can cooperate with the translation and rotation mechanism to load the round tube and discharge the finished product, a semicircular support groove is provided on the side of the support platform near the through hole, a linear module 1 is horizontally arranged on the right side of the material box 1, a laser welding head and a material box 2 for loading the top cover are respectively fixed on both sides of the output end of the linear module 1, the bottom of the material box 2 is flush with the support platform, and the bottom of the material box 2 is provided with a groove near the support groove side, and a plurality of limit components for positioning the top cover are circumferentially spaced in the support groove.

[0005] Furthermore, the translation and rotation mechanism includes a linear module 2, which is installed on the base frame. A fixed plate is fixedly connected to the output end of the linear module 2, and a guide plate is fixedly connected to the left side of the top of the base frame. A straight rod is jointly provided on the fixed plate and the guide plate. The straight rod is connected to the fixed plate through a bearing, and the straight rod is slidably connected to the guide plate. A rotating component for driving the straight rod to rotate is provided on the fixed plate, and the airbag and suction cup are both installed on the straight rod near the material box 1.

[0006] Furthermore, the rotating assembly includes a motor 1 and a gear set, the motor 1 is mounted on a fixed plate, the gear set includes a driving wheel and a driven wheel that are meshed with each other, the driven wheel is fixedly connected to the straight rod, and the driving wheel is fixedly connected to the output shaft of the motor 1.

[0007] Furthermore, the non-suction surface of the suction cup is fixedly connected to a spline rod, a spline groove corresponding to the spline rod is opened on the straight rod, the spline rod is slidingly connected to the spline groove, and an elastic part 1 is sleeved on the spline rod, and the two ends of the elastic part 1 are respectively connected to the non-suction surface of the suction cup and the straight rod.

[0008] Furthermore, the lifting mechanism includes a belt assembly, a second motor and a support frame. Two belt assemblies are arranged in the material box one, and two second motors are installed on the outside of the material box one. The two second motors are respectively used to drive the flat belts of the two belt assemblies to operate. At least one support frame is fixedly connected to the flat belts of the belt assembly at intervals. The support frame has an arc groove matching the outer diameter of the round tube. The support frames of the two belt assemblies are symmetrically distributed.

[0009] Furthermore, the limiting assembly includes a wedge block and an elastic member 2. The wedge block slides through the support groove of the support platform. The two ends of the elastic member 2 are respectively connected to the end of the wedge block and the outside of the support groove. The side of the wedge block close to the material box 1 has an inclined surface.

[0010] Furthermore, a discharge port for discharging finished products is provided at the top of the base frame corresponding to the interior of the material box 1, and a collection box for receiving the finished products discharged from the discharge port is provided at the lower part of the base frame.

[0011] Furthermore, a funnel-shaped hopper is fixedly connected to the top of the material box, and the inner wall of the hopper has a buffer layer.

[0012] Beneficial effects: 1. The present invention realizes the precise and stable positioning of the round tube and the top cover by setting a translation and rotation mechanism, a support platform, a lifting mechanism and a limit assembly. During the welding process, the round tube and the top cover can maintain a stable relative position, ensuring the consistency and stability of the welding quality, and effectively guaranteeing the quality of the welded product.

[0013] 2. The laser welding device of the present invention realizes the automated loading and unloading operations and welding operations of round tubes and top covers through the coordinated work of various mechanisms. From loading the round tubes and top covers to be welded to unloading the finished products after welding, the entire process does not require excessive human intervention, can achieve continuous production, and effectively improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0015] Figure 2 It is a schematic diagram of the installation structure of the translation and rotation mechanism of the present invention.

[0016] Figure 3 It is a schematic diagram of the partial structure of the rotating assembly of the present invention.

[0017] Figure 4 It is an exploded view of the three-dimensional structure of the straight rod and the suction cup of the present invention.

[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the material box 1 and the lifting mechanism of the present invention.

[0019] Figure 6 This is a cross-sectional view of the internal structure of the material box 1 of the present invention.

[0020] Figure 7 This is a schematic diagram of the installation structure of the linear module 1, the material box 2 and the support platform of the present invention.

[0021] Figure 8 It is a schematic diagram of the installation structure of the limiting component of the present invention.

[0022] Figure numbers: 1-base frame, 101-discharge port, 2-material box one, 201-perforation, 3-linear module one, 4-laser welding head, 5-material box two, 501-passing slot, 6-support table, 601-support slot, 7-translational rotation mechanism, 71-linear module two, 72-fixed plate, 73-guide plate, 74-rotation assembly, 7401-motor one, 7402-gear set, 75-straight rod, 8-airbag, 9-suction cup, 1001-spline rod, 1002-spline groove, 1003-elastic part one, 11-lifting mechanism, 1101-belt assembly, 1102-motor two, 1103-support frame, 12-limiting assembly, 1201-wedge block, 1202-elastic part two, 13-collection box, 14-hopper. DETAILED DESCRIPTION

[0023] The technical solution is further described below with reference to specific embodiments. It should be noted that terms such as "up," "down," "left," and "right" used herein to indicate directions refer only to the positions of the structures shown in the corresponding drawings. Serial numbers assigned to components herein, such as "first" and "second," are used solely to distinguish the components being described and do not convey any sequential or technical meaning. Terms such as "connected" and "coupled" in this application include both direct and indirect connections unless otherwise specified.

[0024] The embodiment provides a laser welding device for hardware processing, such as Figures 1-8As shown, it includes a base frame 1, a material box 2 is set in the middle of the top of the base frame 1, a translation and rotation mechanism 7 and a support platform 6 are respectively set on the left and right sides of the top of the base frame 1, an air bag 8 and a suction cup 9 are set on the output end of the translation and rotation mechanism 7, the air bag 8 is used to fix the round tube, and the suction cup 9 is used to fix the top cover, and the left and right side walls of the material box 2 are provided with a through hole 201 for the air bag 8 and the suction cup 9 to pass through, and a lifting mechanism 11 is set in the material box 2, which can cooperate with the translation and rotation mechanism 7 to load the round tube and discharge the finished product. A semicircular support groove 601 is provided on one side, and the support groove 601 is used to provide support for the connection between the round tube and the top cover. A linear module 3 is provided horizontally on the right side of the material box 2. The output end of the linear module 3 is fixed with a laser welding head 4 and a material box 2 5 for loading the top cover on both sides. The bottom of the material box 2 5 is flush with the support platform 6, and a groove 501 is provided on the side of the bottom of the material box 2 5 close to the support groove 601 to facilitate the separation of the top cover falling into the support groove 601 from the material box 2 5. A plurality of limit components 12 for positioning the top cover are arranged at circumferential intervals within the support groove 601.

[0025] like Figure 2 As shown, the translation and rotation mechanism 7 includes a linear module 2 71, which is mounted on the base frame 1, and a fixed plate 72 is fixedly connected to the output end of the linear module 2 71. A guide plate 73 is fixedly connected to the left side of the top of the base frame 1. A straight rod 75 is provided on the fixed plate 72 and the guide plate 73. The straight rod 75 is connected to the fixed plate 72 through a bearing, and the straight rod 75 is slidably connected to the guide plate 73. A rotating component 74 for driving the straight rod 75 to rotate is provided on the fixed plate 72. The airbag 8 is mounted on the straight rod 75 near the material box 1 2. The airbag 8 is supplied with air through an external air source device. The interior of the straight rod 75 can be designed as a hollow structure to provide a connection between the airbag 8 and the external air source. The pipeline connection of the equipment, the non-suction surface of the suction cup 9 is fixedly connected with a spline rod 1001, and the straight rod 75 is provided with a spline groove 1002 corresponding to the spline rod 1001, and the spline rod 1001 is slidably connected to the spline groove 1002, so that the suction cup 9 can slide relative to the straight rod 75 while being driven to rotate by the straight rod 75. The spline rod 1001 is provided with an elastic member 1003, and the two ends of the elastic member 1003 are respectively connected to the non-suction surface of the suction cup 9 and the straight rod 75. In this way, under the elastic action of the elastic member 1003, a distance is left between the suction cup 9 and the straight rod 75 to adapt to the distance between the circular tube fixed to the airbag 8 and the top cover adsorbed by the suction cup 9.

[0026] like Figure 3 As shown, the rotating assembly 74 includes a motor 7401 and a gear set 7402. The motor 7401 is mounted on the fixed plate 72. The gear set 7402 includes a driving wheel and a driven wheel that are meshed with each other. The driven wheel is fixedly connected to the straight rod 75, and the driving wheel is fixedly connected to the output shaft of the motor 7401.

[0027] like Figure 5 and Figure 6 As shown, the lifting mechanism 11 includes a belt assembly 1101, a second motor 1102 and a support frame 1103. Two belt assemblies 1101 are arranged in the material box 1 2, and two second motors 1102 are installed on the outside of the material box 2. The two second motors 1102 are respectively used to drive the flat belts of the two belt assemblies 1101 to operate. Two groups of support frames 1103 are fixedly connected to the flat belts of the belt assembly 1101 at intervals. The support frames 1103 have arc grooves matching the outer diameter of the round tube. The support frames 1103 of the two belt assemblies 1101 are symmetrically distributed.

[0028] like Figure 7 and Figure 8 As shown, the limiting assembly 12 includes a wedge block 1201 and an elastic member 1202. The wedge block 1201 slides through the support groove 601 of the support platform 6. The two ends of the elastic member 1202 are respectively connected to the end of the wedge block 1201 and the outside of the support groove 601. The wedge block 1201 has an inclined surface on the side close to the material box 2.

[0029] like Figure 2 As shown, a discharge port 101 for discharging finished products is provided at the top of the base frame 1 corresponding to the interior of the material box 1 2 , and a collection box 13 for receiving the finished products discharged from the discharge port 101 is provided at the lower part of the base frame 1 .

[0030] like Figure 5 and Figure 6 As shown, a funnel-shaped hopper 14 is fixed to the top of the material box 2, and the inner wall of the hopper 14 has a buffer layer to facilitate the round tube to fall smoothly into the material box 2.

[0031] Working process: Initially, the laser welding head 4 is directly above the support groove 601, and the material box 2 5 is located in the non-support groove 601 position on the support platform 6. A plurality of top covers to be welded are placed in the material box 2 5. The laser welding head 4 and the material box 2 5 are driven to move synchronously by the linear module 1 3, so that the laser welding head 4 is away from the support groove 601, and the bottom of the material box 2 5 moves to above the support groove 601. At this time, the top covers in the material box 2 5 are all moved down by gravity, among which the bottom top cover falls into the support groove 601 and is limited by a plurality of wedge blocks 1201. Subsequently, the laser welding head 4 and the material box 2 5 are driven by the linear module 1 3 to move in the opposite direction and reset synchronously. During this process, the top cover in the support groove 601 will pass through the groove 501 and out of the material box 2 5. , the second top cover that is initially moving from bottom to top will naturally move down to contact the non-support groove 601 part of the support platform 6, and the remaining top covers will also move down naturally to maintain close contact between adjacent top covers, thereby preparing for the next top cover loading, and the fixed plate 72 and the straight rod 75 thereon are driven by the linear module 2 71 to move away from the material box 1 2 until the suction cup 9 is outside the material box 1 2, ready to insert the round tube to be welded, and the airbag 8 is in an uninflated state. At the same time, the flat belts of the corresponding belt assemblies 1101 are driven to operate by the two motors 2 1102 respectively, until a group of support frames 1103 on the flat belts of the two belt assemblies 1101 are below the through-hole 201 in the material box 2, ready to receive the round tube to be welded, and then the round tube to be welded is placed in the material box 1 The round tube is placed into the feed box 2 through the hopper 14 and is received by the support frame 1103. Then, the fixed plate 72 and the straight rod 75 thereon are driven to move closer to the feed box 2 by the linear module 2 71 until the air bag 8 passes through a through-hole 201 of the feed box 2 and is in the middle of the round tube to be welded. Then, the air bag 8 is inflated by the external air source equipment to expand the air bag 8 inside the round tube to be welded, so as to realize an indirect fixed connection between the round tube and the straight rod 75 through the close contact between the air bag 8 and the inner wall of the round tube. Afterwards, the fixed plate 72 and the straight rod 75 thereon are continued to be driven by the linear module 2 71 to move closer to the support platform 6 until the suction cup 9 contacts and adsorbs the top cover in the support groove 601. Since the suction cup 9 and the straight rod 75 are axially movable Due to the spline elastic connection, after the suction cup 9 adsorbs the top cover, the continued movement of the straight rod 75 will reduce the distance between it and the suction cup 9, and the elastic member 1003 will be compressed and deformed. At the same time, the side of the circular tube close to the top cover will apply pressure to the inclined surfaces of the multiple wedge blocks 1201, so that the multiple wedge blocks 1201 move away from the center of the support groove 601, thereby releasing the limit on the top cover, and the elastic member 2 1202 will be stretched and deformed. Finally, the two sides of the top cover are in close contact with the circular tube and the inner wall of the support groove 601 respectively, thereby forming a stable positioning of the top cover and the circular tube. Then, the straight rod 75 is driven to rotate by the motor 1 7401 and the gear set 7402, and then the straight rod 75 indirectly drives the circular tube and the top cover to rotate synchronously through the airbag 8 and the suction cup 9.The laser welding head 4 is used to weld the connection between the round tube and the top cover. After the welding is completed, the fixed plate 72 and the straight rod 75 on it are driven by the linear module 2 71 to move away from the support platform 6 until the welded finished product on the straight rod 75 moves into the middle of the material box 2. At this time, by releasing the gas inside the airbag 8 and releasing the adsorption of the suction cup 9 on the top cover, the finished product is naturally received by the support frame 1103, and then the linear module 2 71 drives the straight rod 75 and the suction cup 9 on it to continue to move to the outside of the material box 2, so that the lifting and lowering movement of the finished product in the material box 2 is not restricted. Subsequently, two electric Machine 2 1102 drives the corresponding flat belts of belt assembly 1101, causing a group of support frames 1103 carrying finished products to move downward, and the distance between them gradually increases, so that the finished products can naturally fall through the discharge port 101 and be collected in the collection box 13. After the finished products are discharged, the other group of support frames 1103 of the two flat belts will gradually move to be under the perforation 201 again, ready to receive the next round tube to be welded. And so on, repeating the above operations can realize the automated loading and unloading operations of round tubes and top covers, as well as welding operations, realize continuous production, and improve work efficiency.

[0032] Although the present disclosure has been shown and described with reference to certain exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made to the present disclosure without departing from the spirit and scope of the present disclosure as defined by the appended claims and their equivalents. Therefore, the scope of the present disclosure should not be limited to the above-described embodiments, but should be determined not only by the appended claims but also by the equivalents of the appended claims.

Claims

1. A laser welding device for hardware processing, characterized by: The invention comprises a base frame (1), a material box (2) is provided in the middle of the top of the base frame (1), a translation and rotation mechanism (7) and a support platform (6) are provided on the left and right sides of the top of the base frame (1), an air bag (8) and a suction cup (9) are provided on the output end of the translation and rotation mechanism (7), the air bag (8) is used to fix the circular tube, and the suction cup (9) is used to fix the top cover, and the left and right side walls of the material box (2) are provided with through holes (201) for the air bag (8) and the suction cup (9) to pass through, and a lifting mechanism (11) is provided in the material box (2), and the lifting mechanism (11) can cooperate with the translation and rotation mechanism (7) to perform circular For loading the tube and discharging the finished product, a semicircular support groove (601) is provided on the support platform (6) on one side close to the perforation (201), a linear module (3) is horizontally provided on the right side of the material box (2), a laser welding head (4) and a material box (5) for loading the top cover are fixedly connected on both sides of the output end of the linear module (3), the bottom of the material box (5) is flush with the support platform (6), and a groove (501) is provided on the bottom of the material box (5) close to the support groove (601), and a plurality of limit assemblies (12) for positioning the top cover are provided at intervals in the circumferential direction within the support groove (601).

2. A laser welding device for hardware processing according to claim 1, characterized in that: The translation and rotation mechanism (7) includes a linear module group 2 (71), which is mounted on the base frame (1). A fixed plate (72) is fixedly connected to the output end of the linear module group 2 (71), and a guide plate (73) is fixedly connected to the left side of the top of the base frame (1). A straight rod (75) is provided on the fixed plate (72) and the guide plate (73). The straight rod (75) is connected to the fixed plate (72) through a bearing. The straight rod (75) is slidably connected to the guide plate (73). A rotating assembly (74) for driving the straight rod (75) to rotate is provided on the fixed plate (72). The airbag (8) and the suction cup (9) are both installed on the straight rod (75) near the material box 1 (2).

3. A laser welding device for hardware processing according to claim 2, characterized in that: The rotating assembly (74) includes a motor (7401) and a gear set (7402). The motor (7401) is mounted on the fixed plate (72). The gear set (7402) includes a driving wheel and a driven wheel that are meshed with each other. The driven wheel is fixedly connected to the straight rod (75), and the driving wheel is fixedly connected to the output shaft of the motor (7401).

4. A laser welding device for hardware processing according to claim 3, characterized in that: The non-suction surface of the suction cup (9) is fixedly connected with a spline rod (1001), a spline groove (1002) corresponding to the spline rod (1001) is opened on the straight rod (75), the spline rod (1001) and the spline groove (1002) are slidably connected, and an elastic member (1003) is sleeved on the spline rod (1001), and the two ends of the elastic member (1003) are respectively connected to the non-suction surface of the suction cup (9) and the straight rod (75).

5. A laser welding device for hardware processing according to claim 4, characterized in that: The lifting mechanism (11) comprises a belt assembly (1101), a second motor (1102) and a support frame (1103). Two belt assemblies (1101) are arranged in the first material box (2). Two second motors (1102) are installed outside the first material box (2). The two second motors (1102) are respectively used to drive the flat belts of the two belt assemblies (1101) to operate. At least one support frame (1103) is fixedly connected to the flat belts of the belt assemblies (1101) at intervals. The support frame (1103) has an arc groove matched with the outer diameter of the round tube. The support frames (1103) of the two belt assemblies (1101) are symmetrically distributed.

6. A laser welding device for hardware processing according to claim 5, characterized in that: The limiting assembly (12) includes a wedge block (1201) and a second elastic member (1202). The wedge block (1201) slides through the support groove (601) of the support platform (6). The two ends of the second elastic member (1202) are respectively connected to the end of the wedge block (1201) and the outside of the support groove (601). The side of the wedge block (1201) close to the first material box (2) has an inclined surface.

7. A laser welding device for hardware processing according to claim 6, characterized in that: A discharge port (101) for discharging finished products is provided at the top of the base frame (1) corresponding to the interior of the material box 1 (2), and a collection box (13) for receiving the finished products discharged from the discharge port (101) is provided at the bottom of the base frame (1).

8. A laser welding device for hardware processing according to claim 7, characterized in that: A funnel-shaped hopper (14) is fixedly connected to the top of the first material box (2), and the inner wall of the hopper (14) is provided with a buffer layer.

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