Reciprocating conveying device and laser welding equipment

Abstract

The utility model relates to the technical field of laser welding, in particular to a reciprocating conveying device and laser welding equipment. The base is provided with two groups of driving mechanisms; the two groups of driving mechanisms are symmetrically arranged structures, each driving mechanism comprises a sliding seat, a rotating ring, a circular ring, a large gear, four small gears I and four groups of clamping assemblies, and synchronous clamping mechanisms are mounted on the four small gears I; and the power assembly B is used for driving the two sliding seats to get close to each other or get away from each other. According to the square pipe turning-over device, square pipes of different sizes can be fixed and clamped, the square pipes can be turned over, four sets of laser welding devices are installed in a matched mode, therefore, the four faces of the square pipes can be welded, and the working efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of laser welding, in particular to a reciprocating conveying device and laser welding equipment. Background Art

[0002] Welded steel pipe refers to a steel pipe with seams on the surface that is formed by bending steel strips or steel plates into round, square and other shapes and then welding them. The annual output of high-frequency electric welded steel pipes is 70 million tons nationwide. High-frequency power sources are mature and widely used for welding steel pipes. They have fast heating speed, low cost, and a wide range of welding materials. They can weld carbon steel, alloy steel, ferrite, aluminum, titanium, etc. Laser welding is an efficient and precise welding method that uses a laser beam with extremely high energy density as a heat source. Laser welding is one of the important aspects of the application of laser material processing technology. Compared with traditional welding methods, it has the advantages of high energy density, strong penetration, high precision, and strong applicability.

[0003] In the prior art, when welding a square steel pipe, it is necessary to drive the steel pipe to rotate after welding one side. This process needs to be operated four times, which is cumbersome, time-consuming and labor-intensive. Utility Model Content

[0004] The utility model aims to solve the problems existing in the background technology and propose a reciprocating conveying device and laser welding equipment.

[0005] On the one hand, the utility model provides a reciprocating conveying device, comprising:

[0006] A base having two sets of driving mechanisms;

[0007] The two sets of driving mechanisms are symmetrically arranged structures, and the driving mechanisms include a sliding seat, a rotating ring, a circular ring, a large gear, four small gears and four sets of clamping components, wherein the sliding seat is slidably mounted on the base, the rotating ring is rotatably mounted on the sliding seat, and a power component A for driving the rotating ring to rotate is installed on the sliding seat, the large gear is arranged at the center of the rotating ring, a connecting column A is connected to the large gear, and a connecting frame is connected between the outer end of the connecting column A and the sliding seat, four small gears are rotatably mounted on the rotating ring along an annular array, and the four small gears are all meshed and connected with the large gear, and a synchronous clamping mechanism is installed on the four small gears;

[0008] Power assembly B, power assembly B is used to drive the two sliding seats to move closer to or away from each other.

[0009] Preferably, the synchronous clamping mechanism includes a square tube and two groups of clamping parts, each group of clamping parts includes a guide rod, two clamping plates and two springs, the guide rod is fixed inside the square tube, the two clamping plates are slidably installed on the guide rod, the two springs are respectively mounted on the two ends of the guide rod, and the two guide rods inside the square tube are arranged perpendicular to each other; a circular ring is arranged on one side of the swivel, and a linear driving mechanism for driving the circular ring to move is installed on the swivel, and four connecting columns B are arranged along the circular array on the circular ring, and the ends of the four connecting columns B are connected to conical heads, the four conical heads are respectively arranged on the inner sides of the four square tubes, and the connecting columns B movably pass through the swivel.

[0010] Preferably, power assembly A includes servo motor 2, pinion 2 and a gear ring, two fixed plates are arranged side by side at both ends of the sliding seat, cylinders are arranged on opposite sides of the two fixed plates on the same side, annular grooves for sliding of the cylinders are provided on both sides of the rotating ring, a mounting groove is provided on the sliding seat, servo motor 2 is installed on the sliding seat, pinion 2 is arranged on the inner side of the mounting groove and is connected to the output shaft of servo motor 2, the gear ring is fixed on the outer periphery of the rotating ring, and the gear ring is meshed with pinion 2.

[0011] Preferably, power component B includes a servo motor 1 and a bidirectional screw, the servo motor 1 is installed on the base, the bidirectional screw is connected to the output shaft of the servo motor 1, the two sliding seats are threadedly connected to the bidirectional screw, a sliding rod is fixed on the base, and the two sliding seats are slidably set on the sliding rod.

[0012] Preferably, the transmission ratio between the small gear 1 and the large gear is 4:1.

[0013] On the other hand, the utility model also proposes a laser welding device having the above-mentioned reciprocating conveying device, which also includes a gantry and four laser welding devices. The gantry is fixed on the base, one laser welding device is installed on the base, and the other three laser welding devices are respectively installed on the front and rear sides and the top of the gantry.

[0014] Compared with the prior art, the utility model has the following beneficial technical effects: the utility model can fix and clamp square tubes of different sizes, and can realize the turning over of the square tubes, and cooperate with the installed four sets of laser welding equipment to weld the four sides of the square tube, and can also perform synchronous welding on multiple square steel tubes, and its working efficiency is relatively high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the driving mechanism in the utility model.

[0017] Figure 3It is a structural schematic diagram of the square tube and the clamping plate in the utility model.

[0018] Figure numerals: 1. base; 2. swivel; 201. annular slide; 3. circular ring; 4. large gear; 5. small gear 1; 6. square tube; 7. splint; 8. connecting column A; 9. connecting frame; 10. sliding seat; 1001. mounting groove; 11. gantry; 12. laser welding equipment; 131. servo motor 1; 132. bidirectional screw rod; 14. sliding rod; 15. servo motor 2; 16. small gear 2; 17. gear ring; 18. fixing plate; 19. cylinder; 20. connecting column B; 21. guide rod; 22. spring; 23. conical head; 24. linear drive mechanism. DETAILED DESCRIPTION

[0019] Embodiment 1

[0020] like Figure 1-Figure 3 As shown, a reciprocating conveying device proposed in this embodiment includes a base and two sets of driving mechanisms; two sets of driving mechanisms are arranged on the base 1; the two sets of driving mechanisms are symmetrically arranged structures, and the driving mechanisms include a sliding seat 10, a rotating ring 2, a circular ring 3, a large gear 4, four small gears 5 and four sets of clamping components, wherein the sliding seat 10 is slidably installed on the base 1, and a power component B for driving the two sliding seats 10 to move closer to or away from each other is installed on the base, and the power component B includes a servo motor 131 and a bidirectional screw rod 132, the servo motor 131 is installed on the base 1, the bidirectional screw rod 132 is connected to the output shaft of the servo motor 131, and the two sliding seats 10 are both threadedly connected to the bidirectional screw rod 132, a sliding rod 14 is fixedly arranged on the base 1, and the two sliding seats 10 are both slidably arranged on the sliding rod 14, the rotating ring 2 is rotatably installed on the sliding seat 10, and a power component A for driving the rotating ring 2 to rotate is installed on the sliding seat 10, The force assembly A includes a servo motor 15, a pinion 16 and a gear ring 17. Two fixed plates 18 are arranged side by side at both ends of the sliding seat 10. Cylinders 19 are arranged on the opposite sides of the two fixed plates 18 on the same side. Annular grooves 201 for the cylinders 19 to slide are provided on both sides of the rotating ring 2. A mounting groove 1001 is provided on the sliding seat 10. The servo motor 15 is installed on the sliding seat 10. The pinion 16 is arranged on the inner side of the mounting groove 1001 and is connected to the output shaft of the servo motor 15. The gear ring 17 is fixed on the outer periphery of the rotating ring 2, and the gear ring 17 is meshed with the pinion 16. The large gear 4 is arranged at the center of the rotating ring 2. A connecting column A8 is connected to the large gear 4. A connecting frame 9 is connected between the outer end of the connecting column A8 and the sliding seat 10. Four small gears 1 5 are rotatably installed on the rotating ring 2 along an annular array, and the four small gears 1 5 are meshed with the large gear 4. The transmission ratio of the small gear 1 5 to the large gear 4 is 4:1.

[0021] A synchronous clamping mechanism is installed on each of the four pinions 5, and the synchronous clamping mechanism includes a square tube 6 and two groups of clamping parts. Each group of clamping parts includes a guide rod 21, two clamping plates 7 and two springs 22. The guide rod 21 is fixed inside the square tube 6, and the two clamping plates 7 are slidably installed on the guide rod 21. The two springs 22 are respectively sleeved and installed on the two ends of the guide rod 21, and the two guide rods 21 inside the square tube 6 are arranged perpendicular to each other; a circular ring 3 is arranged on one side of the swivel 2, and a linear driving mechanism 24 for driving the circular ring 3 to move is installed on the swivel 2. Four connecting columns B20 are arranged along the annular array on the circular ring 3, and the ends of the four connecting columns B20 are connected to conical heads 23. The four conical heads 23 are respectively arranged on the inner sides of the four square tubes 6, and the connecting columns B20 movably penetrate the swivel 2.

[0022] In this embodiment, when welding the square tube, firstly, the synchronous clamping mechanism is adjusted according to the size of the square tube, and the circular ring 3 is driven to move by the linear drive mechanism 24, and the circular ring 3 drives the connecting column B20 and the conical head 23 to move. When the conical head 23 starts to squeeze the four clamping plates 7, the four clamping plates 7 can move outward synchronously. Conversely, under the elastic force of the spring 22, the multiple clamping plates 7 are synchronously moved together, thereby realizing the fixing of square tubes of different sizes, and the two sections of square tubes are respectively fixed on the synchronous clamping mechanism on both sides, and then the power component B is set to drive the two sliding seats 10 to approach each other, thereby driving the two sections of square tubes to contact, thereby starting the welding of the square tube. During the rotation of the square tube, when the square tube moves to the topmost position, the square tube rotates 90 degrees, and the square tube is continuously driven to move to the rear position, and the square tube rotates 90 degrees again; in summary, when welding the square tube, the utility model can drive the square tube to rotate, thereby facilitating all-round welding of the square tube.

[0023] Embodiment 2

[0024] like Figure 1 As shown, a laser welding device proposed in this embodiment includes the reciprocating conveying device in Example 1, and also includes a gantry 11 and four laser welding devices 12. The gantry 11 is fixed on the base 1, one laser welding device 12 is installed on the base 1, and the other three laser welding devices 12 are respectively installed on the front and rear sides and the top of the gantry 11.

[0025] In this embodiment, four laser welding devices 12 are arranged in cooperation so that welding work can be performed on four surfaces of the square tube respectively, thereby improving the welding efficiency of the square tube.

[0026] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A reciprocating conveying device, characterized in that: include: A base (1) having two sets of driving mechanisms; The two sets of driving mechanisms are symmetrically arranged structures, and the driving mechanisms include a sliding seat (10), a rotating ring (2), a circular ring (3), a large gear (4), four small gears (5) and four sets of clamping components, wherein the sliding seat (10) is slidably mounted on the base (1), the rotating ring (2) is rotatably mounted on the sliding seat (10), and a power component A for driving the rotating ring (2) to rotate is mounted on the sliding seat (10), the large gear (4) is arranged at the center position of the rotating ring (2), a connecting column A (8) is connected to the large gear (4), and a connecting frame (9) is connected between the outer end of the connecting column A (8) and the sliding seat (10), the four small gears (5) are rotatably mounted on the rotating ring (2) along an annular array, and the four small gears (5) are all meshed and connected with the large gear (4), and the four small gears (5) are all mounted with a synchronous clamping mechanism; The power assembly B is used to drive the two sliding seats (10) to move closer to or farther from each other.

2. A reciprocating conveying device according to claim 1, characterized in that: The synchronous clamping mechanism comprises a square tube (6) and two groups of clamping parts, each group of clamping parts comprises a guide rod (21), two clamping plates (7) and two springs (22), the guide rod (21) is fixed inside the square tube (6), the two clamping plates (7) are slidably mounted on the guide rod (21), the two springs (22) are respectively sleeved and mounted on the two ends of the guide rod (21), and the two guide rods (21) inside the square tube (6) are arranged perpendicular to each other; a circular ring (3) is arranged on one side of the rotating ring (2), a linear driving mechanism (24) for driving the circular ring (3) to move is installed on the rotating ring (2), four connecting columns B (20) are arranged along the annular array on the circular ring (3), the ends of the four connecting columns B (20) are connected with conical heads (23), the four conical heads (23) are respectively arranged on the inner sides of the four square tubes (6), and the connecting columns B (20) movably penetrate the rotating ring (2).

3. A reciprocating conveying device according to claim 1, characterized in that: The power assembly A comprises a servo motor 2 (15), a pinion 2 (16) and a gear ring (17). Two fixing plates (18) are arranged side by side at both ends of the sliding seat (10). The opposite sides of the two fixing plates (18) on the same side are arranged with cylinders (19). Both sides of the rotating ring (2) are provided with annular sliding grooves (201) for the cylinders (19) to slide. The sliding seat (10) is provided with a mounting groove (1001). The servo motor 2 (15) is installed on the sliding seat (10). The pinion 2 (16) is arranged on the inner side of the mounting groove (1001) and is connected to the output shaft of the servo motor 2 (15). The gear ring (17) is fixed on the outer periphery of the rotating ring (2), and the gear ring (17) is meshed with the pinion 2 (16).

4. A reciprocating conveying device according to claim 1, characterized in that: The power assembly B comprises a servo motor 1 (131) and a bidirectional screw rod (132). The servo motor 1 (131) is mounted on the base (1). The bidirectional screw rod (132) is connected to the output shaft of the servo motor 1 (131). The two sliding seats (10) are both threadedly connected to the bidirectional screw rod (132). A sliding rod (14) is fixedly arranged on the base (1). The two sliding seats (10) are both slidably arranged on the sliding rod (14).

5. A reciprocating conveying device according to claim 1, characterized in that: The transmission ratio between the small gear 1 (5) and the large gear (4) is 4:

1.

6. A laser welding device, comprising the reciprocating conveying device according to any one of claims 1 to 5, characterized in that: It also includes a gantry (11) and four laser welding devices (12), wherein the gantry (11) is fixed on the base (1), one laser welding device (12) is installed on the base (1), and the other three laser welding devices (12) are respectively installed on the front and rear sides and the top end of the gantry (11).

Images