Laser welding auxiliary device

Abstract

The utility model relates to a laser welding auxiliary device which comprises an operation platform, a placing seat is hinged to the operation platform through a sliding table, the placing seat can be turned over, two strip-shaped notches are formed in the placing seat, a lower clamping ring is located between the two strip-shaped notches, a vertical plate is inserted into each strip-shaped notch, and the vertical plate is connected with the lower clamping ring. A transverse plate is connected to the lower ends of the two vertical plates, the upper ends of the two vertical plates are connected with the upper clamping piece, a threaded through hole allowing the vertical plates to vertically penetrate through is formed in the center of the transverse plate, a first locking bolt is screwed into the threaded through hole, and when a to-be-welded workpiece is a steel pipe, the steel pipe is placed on the lower clamping ring and can be stably clamped by screwing the first locking bolt; after the upper half part of the steel pipe is preliminarily welded, the lower half part of the steel pipe can be welded by turning over the placing seat; a pressing device is arranged on the upper clamping piece, so that the device can also be suitable for a steel plate; the device has the beneficial effects that the device can be suitable for steel pipes and steel plates, and the application range is relatively wide.

Description

Technical Field

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

[0002] In laser welding, the workpiece to be welded must maintain a stable position to prevent movement and deformation, and the auxiliary laser device plays an indispensable role in laser welding;

[0003] In the prior art, a laser welding auxiliary device is disclosed, and its document number is: CN115815850A, which includes two side plates, and the belt, square tube, L-shaped rod, threaded sleeve, threaded rod, square rod, worm gear, worm and servo motor are mutually coordinated to facilitate the distance between the two connecting plates to achieve the docking of the steel pipes to be welded, and at the same time, it can drive the rotation of the two steel pipes to be welded, so as to facilitate the development of welding work and improve the use effect;

[0004] However, in the above scheme, the device can only be used to weld steel pipes, but cannot be applied to steel plates, and its application scope is relatively small. Utility Model Content

[0005] In order to solve the above problems, the utility model provides a laser welding auxiliary device which can be applied to various shapes of workpieces to be welded and has a relatively wide application range.

[0006] To achieve the above object, the technical solution of the utility model is: a laser welding auxiliary device, comprising an operating platform provided with a slide groove, two sets of locking and placing components are provided on the operating platform, the locking and placing components can slide on the operating platform, and the workpiece to be welded is placed on the locking and placing components, the locking and placing components include a slide, a placing seat is hinged on the slide, and the placing seat can be turned 180 degrees at the hinge point;

[0007] The placement seat is provided with an arc-shaped groove and two strip-shaped notches, the arc-shaped groove is located between the two strip-shaped notches, and the placement seat is connected to a clamping assembly via the two strip-shaped notches;

[0008] The clamping assembly includes an upper clamping plate, and the upper clamping plate and the placing seat clamp the workpiece to be welded;

[0009] The upper clamping piece is provided with a pressing device, which is located between the upper clamping piece and the placing seat. The pressing device and the placing seat cooperate to stably clamp the steel plate.

[0010] Furthermore, a vertical plate is arranged on the operating platform, the length direction of the vertical plate is parallel to the length direction of the slide groove, and a first groove matched with the vertical plate is arranged on the bottom surface of the placement seat.

[0011] Furthermore, there are two vertical plates, the two vertical plates are arranged in parallel and the slide groove is located between the two vertical plates.

[0012] Furthermore, the pressing device includes two fixing rods, which penetrate the upper clamping plate. A compression return spring is sleeved on each fixing rod, and a clamping plate is connected to the lower end of the fixing rod.

[0013] Furthermore, the clamping assembly also includes two vertical plates, which are penetrated by corresponding strip-shaped notches, the high ends of the vertical plates are connected to the upper clamping plates, the lower ends of the two vertical plates are connected to a horizontal plate, a threaded through hole is provided at the center of the horizontal plate, and a locking bolt is screwed into the threaded through hole.

[0014] Furthermore, a locking assembly is provided on the operating platform, and the locking assembly includes a threaded through hole extending horizontally and connected to the slide slot, the length direction of the threaded through hole is perpendicular to the length direction of the slide slot, and a screw is screwed into the threaded through hole.

[0015] Furthermore, the inner end of the screw is connected to a pressure plate, the pressure plate is located in the slide groove, and the outer end of the screw is connected to an operating disk.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: a laser welding auxiliary device comprises an operating platform, a placing seat is hingedly connected to the operating platform through a slide, the placing seat can be flipped 180 degrees at a hinge point, two strip-shaped notches are arranged on the placing seat, a lower clamping ring is located between the two strip-shaped notches, a vertical plate is inserted into each strip-shaped notch, a horizontal plate is connected to the lower ends of the two vertical plates, the upper ends of the two vertical plates are connected to the upper clamping sheet, a threaded through hole is arranged at the center of the horizontal plate for vertically penetrating the vertical plate, a first locking bolt is screwed into the threaded through hole, when the workpiece to be welded is a steel pipe, the steel pipe to be welded is placed on the lower clamping ring, the steel pipe can be stably clamped by rotating the first locking bolt in a direction close to the placing seat, after preliminary welding of the upper half of the steel pipe, the placing seat can be flipped to weld the lower half of the unwelded steel pipe;

[0017] The upper clamping piece is provided with a pressing device, and the arrangement of the pressing device enables the device to be also applicable to steel plates, making the application range of the device relatively wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0019] Figure 2 It is a right side structural schematic diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the three-dimensional structure of the slideway of the utility model;

[0022] Figure 5 This is a diagram showing the state of the utility model after stably clamping the steel pipe;

[0023] Figure 6 This is a state diagram of the steel pipe after being turned over by the utility model;

[0024] Figure 7 This is a diagram of the utility model after the steel plate is stably clamped;

[0025] 1-operating platform, 2-support leg, 3-slide groove, 4-slide table, 6-vertical plate, 7-placing seat, 8-first groove, 9-arc-shaped groove, 11-vertical plate, 12-horizontal plate, 13-upper clamping plate, 14-locking bolt, 15-pressure plate, 17-fixing rod, 18-compression return spring, 19-clamp, 20-steel pipe to be welded, 21-steel plate to be welded. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all of the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various configurations. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model. In the embodiment, the components of the embodiments of the application described and shown in the drawings here can be arranged and designed in various configurations. Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the application claimed for protection, but only represents the selected embodiments of the application.

[0027] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be an electrical connection; it can be a hydraulic oil circuit connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] See also Figures 1 to 3 As shown, a laser welding auxiliary device includes an operating platform 2, on which a support leg 1 is installed, a slide groove is provided on the operating platform 2, and two groups of placement and locking components are connected through the slide groove. The workpieces to be welded can be placed on the two groups of placement and locking components respectively, and the spacing between the two workpieces to be welded can be changed by adjusting the spacing between the two groups of placement and locking components, so that the two workpieces to be welded are aligned, and the gap width between the two workpieces to be welded can also be adjusted, that is, the width value of the weld can be adjusted, and then the two groups of placement and locking components are locked, so that welding can be directly performed on the weld.

[0030] The above-mentioned placement and locking assembly includes a slide, a slider is arranged on the bottom surface of the slide, the slider is adapted in the slide groove, the slide can slide on the operating platform 2 along the length direction of the slide groove, when the slide slides, the distance between the two workpieces to be welded changes, a vertical plate 6 is arranged on the operating platform 1, there are two vertical plates and the slide groove 3 is located between the two vertical plates 6, the two vertical plates 6 are arranged in parallel, the length direction of the vertical plates 6 is parallel to the length direction of the slide groove 3, a placement seat 7 that can be flipped 180° is hinged on the slide 4, the placement seat 7 is placed on one of the vertical plates 6, in the initial state, the placement seat 7 is parallel to the operating platform 1, in order to make the connection between the placement seat 7 and the vertical plate 6 more stable, a first groove 8 is arranged on the bottom surface of the placement seat 7, and the vertical plate 6 is adapted to the first groove 8.

[0031] The placement seat 7 is provided with an arc groove 9, the length direction of which is parallel to the length direction of the slide groove 3. The slide seat is also provided with two strip notches, the arc groove is located between the two strip notches, and the two strip notches vertically penetrate the slide seat. The placement seat 7 is connected with a clamping assembly through the two strip notches, and the clamping assembly includes a vertical plate 11 inserted into the two strip notches, and the low ends of the two vertical plates 11 are connected with a horizontal plate 12, and an upper clamping piece 13 is connected between the high ends of the two vertical plates 11. The horizontal plate 12 and the upper clamping piece 13 are both located between the two vertical plates 11, and a threaded through hole is provided at the center of the horizontal plate 12, and a locking bolt 14 is screwed into the threaded through hole. At this time, the upper clamping piece 13 is located above the placement seat;

[0032] See also Figure 4As shown, when the spacing between the two workpieces to be welded is adjusted to a suitable distance value, the slider needs to be locked in a fixed position, and a locking assembly is arranged on the operating platform. The locking assembly includes a threaded through hole extending horizontally and connected to the slide groove 3, and the length direction of the threaded through hole is perpendicular to the length direction of the slide groove 3. A screw is screwed into the threaded through hole, and the inner end of the screw is connected to the pressure plate 15. The screw and the pressure plate 15 are movably connected, that is, when the screw rotates, the pressure plate 15 will not rotate. The outer end of the screw is connected to an operating disk, and the pressure plate 15 is located in the slide groove 3. After the slide seat is slid to a suitable position, the pressure plate 15 is in close contact with the side of the slider by tightening the screw, thereby locking the slider in a fixed position.

[0033] See also Figure 5 As shown, when the above-mentioned laser welding auxiliary device is used, in the initial state, there is a certain distance between the upper clamping piece 13 and the placement seat. When the workpieces to be welded are two steel pipes, the two steel pipes 20 to be welded are placed in the arc grooves 9 on the two groups of placement seats 7, and then the clamping assembly is adjusted so that the clamping assembly can stably clamp the two steel pipes. Specifically, under the influence of its own gravity, when the steel pipe is placed in the arc groove 9, the upper clamping piece 13 is placed on the steel pipe, and at this time, the upper end of the locking bolt 14 is locked with the lower surface of the placement seat 7. There is a gap between the two placement seats 7. By rotating the locking bolt 14, the upper end of the locking bolt 14 is against the lower surface of the placement seat, forming a position lock for the upper clamping piece 13, and the steel pipe is clamped by the upper clamping piece 13 at the same time. After the steel pipe is stably clamped, stop tightening the locking bolt 14, and then adjust the distance between the two placement seats 7 so that the two steel pipes 20 to be welded are just butted, and the two placement seats 7 are fixed at this position by locking the slider at this position, and then they can be welded;

[0034] See also Figure 6 As shown, after the preliminary welding of the upper half of the steel pipe 20 to be welded is completed, the unwelded lower half needs to be welded. When the placement seat 7 is flipped as a whole until the placement seat 7 contacts the vertical plate 6 on the other side, the placement seat 7 is just flipped 180°, and the steel pipe 20 to be welded is also just flipped 180°. At this time, continue to weld the unwelded part.

[0035] See also Figure 2 As shown, as another embodiment of the utility model, when the material to be welded is a steel plate, this device is also applicable. A pressing device is connected to each upper clamping piece 13, and the pressing device includes two fixing rods 17, which pass through the upper clamping piece 13. The two fixing rods 17 are both located on the inner side of the corresponding side vertical plate 11, and the fixing rods 17 are located between the upper clamping piece 13 and the slide seat. A compression return spring 18 is also sleeved on the fixing rod 17, and the high end of the compression return spring 18 is fixed to the upper clamping piece 13, and the lower end of the fixing rod 17 is connected to a clamping piece 19;

[0036] See also Figure 7 As shown, when in use, the two steel plates to be welded are placed on the placement seats 7 on the corresponding sides, and then the steel plates on the corresponding sides are stably clamped by using the clamping assembly, and then the distance between the two placement seats 7 is adjusted so that the two steel plates 21 to be welded are just butted together, and finally the placement seats 7 are fixed in this position and welded. When the thickness of the steel plate is large and the weld needs to be double-sided welded, the steel plate can also be turned over by controlling the placement seat 7 to flip 180°.

[0037] The above is only a specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention.

[0038] Therefore, the protection scope of the present utility model should be mainly based on the protection scope of the claims.

Claims

1. A laser welding auxiliary device, comprising an operating platform provided with a slide groove, on which two sets of locking and placing components are provided, the locking and placing components can slide on the operating platform, and the workpiece to be welded is placed on the locking and placing components, characterized in that: The locking and placing assembly comprises a slide, a placing seat is hinged on the slide, and the placing seat can be turned 180° at the hinge point; The placement seat is provided with an arc-shaped groove and two strip-shaped notches, the arc-shaped groove is located between the two strip-shaped notches, and the placement seat is connected to a clamping assembly via the two strip-shaped notches; The clamping assembly includes an upper clamping plate, and the upper clamping plate and the placing seat clamp the workpiece to be welded; The upper clamping piece is provided with a pressing device, which is located between the upper clamping piece and the placing seat. The pressing device and the placing seat cooperate to stably clamp the steel plate.

2. A laser welding auxiliary device according to claim 1, characterized in that: The operating platform is provided with a vertical plate, the length direction of the vertical plate is parallel to the length direction of the sliding groove, and the bottom surface of the placement seat is provided with a first groove matched with the vertical plate.

3. A laser welding auxiliary device according to claim 2, characterized in that: There are two vertical plates, which are arranged in parallel and the slide slot is located between the two vertical plates.

4. A laser welding auxiliary device according to claim 1, characterized in that: The pressing device comprises two fixing rods, the two fixing rods penetrate the upper clamping piece, each fixing rod is sleeved with a compression return spring, and the lower end of the fixing rod is connected with a clamping piece.

5. The laser welding auxiliary device according to claim 1, characterized in that: The clamping assembly also includes two vertical plates, which are penetrated by corresponding strip-shaped notches. The high ends of the vertical plates are connected to the upper clamping plates. The lower ends of the two vertical plates are connected to a horizontal plate. A threaded through hole is set at the center of the horizontal plate, and a locking bolt is screwed into the threaded through hole.

6. A laser welding auxiliary device according to claim 1 or 2, characterized in that: The operating platform is provided with a locking assembly, which includes a threaded through hole extending horizontally and connected to the slide slot, the length direction of the threaded through hole is perpendicular to the length direction of the slide slot, and a screw is screwed into the threaded through hole.

7. A laser welding auxiliary device according to claim 6, characterized in that: The inner end of the screw rod is connected to a pressing plate, the pressing plate is located in the sliding groove, and the outer end of the screw rod is connected to an operating disk.

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