Clamp for laser welding

Abstract

The clamp comprises a supporting bottom plate, two supporting connecting plates are oppositely arranged above the supporting bottom plate in the transverse direction, movable supporting columns are arranged at the two ends of each supporting connecting plate, and the bottoms of the movable supporting columns are in sliding connection with the top of the supporting bottom plate in the transverse direction. A rotating shaft is arranged between the movable supporting columns above the supporting connecting plate, a rotating motor is arranged on the outer surface of the movable supporting column at one end of the rotating shaft, and the output end of the rotating motor is connected with one end of the rotating shaft. The metal plate welding fixture has the advantages that the problem that in the prior art, only fixing limiting, angle adjusting and welding part alignment can be carried out when metal plates are welded, and manual operation is needed can be effectively solved, and the fixture structure with the angle adjusting function, the telescopic supporting function and the rotating adjusting function is designed; the angle and the position of the metal plate can be automatically adjusted, the requirement for manual operation is greatly reduced, the labor intensity is lowered, and the welding machining efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding fixture technical field, concretely is a kind of clamp for laser welding. BACKGROUND

[0002] Laser welding is a kind of high-efficiency high-precision welding method using high-energy density laser beam as heat source, as a new type of welding technology, laser welding has the advantages of fast welding speed, high production efficiency, high welding surface quality, large welding depth, small heat-affected zone etc..With the continuous development of laser technology and numerical control technology, laser welding has become an advanced processing method in the field of industrial plate welding.

[0003] When metal plate is welded by laser, fixed clamp is needed to position two plates to be welded, to ensure the stability of the position of metal plate during welding, however, the clamp for metal plate welding in prior art can only play the role of fixing and limiting metal plate, the adjustment of the angle between metal plates and the alignment of welding part of metal plate all need manual adjustment, which is not only high in labor intensity, but also low in efficiency, and needs to be further developed and improved. UTILITARY MODEL

[0004] The utility model aims at providing a clamp for laser welding to solve the problems that the clamp used in laser welding of existing metal plate can only play the role of fixing and limiting metal plate, the adjustment of the angle between metal plates and the alignment of welding part of metal plate all need manual adjustment, which is high in labor intensity and low in efficiency.

[0005] The utility model realizes the above-mentioned purpose by the following technical scheme: a clamp for laser welding, including support base plate, two support connecting plates are oppositely arranged on the top of support base plate along transverse direction, mobile support column is arranged at both ends of support connecting plate, the bottom of mobile support column is connected with the top of support base plate along transverse direction, rotating shaft is arranged between the mobile support column on the top of support connecting plate, rotating motor is arranged on the outer surface of mobile support column at one end of rotating shaft, the output end of rotating motor is connected with one end of rotating shaft, limit mechanism is arranged on the outer surface of rotating shaft, U-shaped support plug-in plate is inserted and installed on the opposite inner side of support connecting plate, telescopic device is arranged between U-shaped support plug-in plate and support connecting plate, first lifting device is arranged on the bottom of the end of U-shaped support plug-in plate away from support connecting plate, support mounting bracket is installed on the top output end of first lifting device through U-shaped support plug-in plate, support lifting roller is installed on the inner side of support mounting bracket.

[0006] Further, the mobile support column at one end of the support connecting plate is provided with a moving mechanism between the support base plate, the moving mechanism comprises a driving motor installed on the mobile support column, the driving motor is installed with a walking wheel, and the circumferential outer surface of the walking wheel is in contact with the top of the support base plate.

[0007] Further, the mobile support column at one end of the support connecting plate is provided with a moving mechanism between the support base plate, the moving mechanism comprises a driving motor installed on the mobile support column, the driving motor is installed with a walking wheel, and the circumferential outer surface of the walking wheel is in contact with the top of the support base plate.

[0008] Further, the mobile support column at one end of the support connecting plate is provided with a moving mechanism between the support base plate, the moving mechanism comprises a driving motor installed on the mobile support column, the driving motor is installed with a walking wheel, and the circumferential outer surface of the walking wheel is in contact with the top of the support base plate.

[0009] Further, the mobile support column at one end of the support connecting plate is provided with a moving mechanism between the support base plate, the moving mechanism comprises a driving motor installed on the mobile support column, the driving motor is installed with a walking wheel, and the circumferential outer surface of the walking wheel is in contact with the top of the support base plate.

[0010] Compared with the prior art, the utility model has the advantages that the utility model discloses the design is reasonable, simple and stable in structure, and practical, and can effectively solve the problem that manual operation is needed for fixing and limiting, angle adjustment and welding part alignment when welding metal plates in the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the three -dimensional structure schematic diagram of the utility model;

[0012] Fig. 2 It is the front view of the utility model;

[0013] Fig. 3 It is the three -dimensional structure schematic diagram of the utility model in limiting mechanism.

[0014] In the figure: 1-supporting bottom plate, 2-supporting connecting plate, 3-moving supporting column, 4-rotary shaft, 5-rotary motor, 6-limiting mechanism, 7-U-shaped supporting plug-in plate, 8-telescopic device, 9-first lifting device, 10-supporting mounting frame, 11-supporting lifting roller, 12-guiding supporting plug-in rod;

[0015] 601-L-shaped limiting supporting plate, 602-limiting pressing plate, 603-second lifting device, 604-horizontalness sensor. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0017] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship shown based on the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0018] In combination Figs. 1 to 3 As shown in the figure, a clamp for laser welding comprises a supporting bottom plate 1, two supporting connecting plates 2 are oppositely arranged above the supporting bottom plate 1 in the transverse direction, moving supporting columns 3 are arranged at both ends of the supporting connecting plates 2, the moving supporting columns 3 at the bottom are in sliding connection with the top of the supporting bottom plate 1 in the transverse direction, a rotary shaft 4 is arranged between the moving supporting columns 3 above the supporting connecting plates 2, a rotary motor 5 is arranged on the outer surface of the moving supporting column 3 at one end of the rotary shaft 4, the output end of the rotary motor 5 is connected with one end of the rotary shaft 4, a limiting mechanism 6 is arranged on the outer surface of the rotary shaft 4, U-shaped supporting plug-in plates 7 are plug-in mounted on the opposite inner sides of the supporting connecting plates 2, telescopic devices 8 are arranged between the U-shaped supporting plug-in plates 7 and the supporting connecting plates 2, first lifting devices 9 are arranged at the bottom of one end of the U-shaped supporting plug-in plates 7 away from the supporting connecting plates 2, supporting mounting frames 10 are arranged on the top output end of the first lifting devices 9 through the U-shaped supporting plug-in plates 7, and supporting lifting rollers 11 are mounted on the inner side of the supporting mounting frames 10.

[0019] The limiting mechanism 6 comprises an L-shaped limiting support plate 601 mounted on the outer surface of the rotating shaft 4, a limiting pressing plate 602 arranged above the L-shaped limiting support plate 601, second lifting devices 603 arranged at both ends of the bottom of the L-shaped limiting support plate 601, the top output ends of the second lifting devices 603 penetrating through the L-shaped limiting support plate 601 and being connected with the limiting pressing plate 602, and a levelness sensor 604 arranged between the second lifting devices 603 at the bottom of the L-shaped limiting support plate 601, which can fix and limit one end of the metal plate and monitor the inclination angle of the metal plate, so as to adjust the included angle between the metal plates.

[0020] A moving mechanism is arranged between the moving support column 3 at one end of the support connecting plate 2 and the support bottom plate 1, the moving mechanism comprises a driving motor mounted on the moving support column 3, the driving motor is provided with a walking wheel, the circumferential outer surface of the walking wheel is in contact with the top of the support bottom plate 1, the walking wheel is driven to rotate by the driving motor, so as to drive the support column 3 to move linearly along the support bottom plate 1 in the transverse direction; rotating bearings are arranged at the positions corresponding to the two ends of the moving support column 3 of the rotating shaft 4, the outer rings of the rotating bearings are connected with the moving support column 3, which can ensure smooth rotation of the rotating shaft 4 and reduce friction during rotation; guide support plug-in rods 12 are arranged at both ends of the bottom of the support mounting frame 10, the guide support plug-in rods 12 are plug-in connected with the U-shaped support plug-in plate 7, the U-shaped support plug-in plate 7 is provided with linear bushings at positions corresponding to the guide support plug-in rods 12, so as to avoid rotation of the support mounting frame 10 during overall lifting; in addition, the control device, the rotating motor 5, the telescopic device 8, the first lifting device 9, the second lifting device 603, the levelness sensor 604 and the driving motor in the moving mechanism are electrically connected with the control device, so as to receive the signals transmitted by the levelness sensor 604 and control the working states of the rotating motor 5, the telescopic device 8, the first lifting device 9, the second lifting device 603 and the driving motor in the moving mechanism, wherein the telescopic device 8, the first lifting device 9 and the second lifting device 603 are one of hydraulic cylinders or servo electric cylinders.

[0021] In use, two metal plates to be welded are respectively fixed and installed on the limiting mechanisms at both ends of the supporting bottom plate, specifically, one end of the metal plate is placed between the L-shaped limiting support plate and the limiting pressing plate, then the first lifting device is controlled to drive the limiting pressing plate to press against the metal plate, so that one end of the metal plate is fixed and limited, then the lifting device is controlled to drive the supporting mounting frame to lift, the supporting and lifting rollers in the supporting mounting frame support the bottom of the metal plate, at the same time, the telescopic device is controlled to drive the U-shaped supporting plug-in plate to move, the position of the supporting and lifting rollers is adjusted, the position of the supporting and lifting of the bottom of the metal plate is adjusted, then the rotating motor is controlled to drive the rotating shaft to rotate, the inclination angle of the metal plate is adjusted combined with the horizontal degree sensor and the included angle formed after the metal plate is welded, while the inclination angle of the metal plate is adjusted, the lifting device is controlled to drive the supporting mounting frame to lift, so that the supporting and lifting rollers follow the lifting of the metal plate and support and lift the bottom thereof, after the inclination angle of the metal plate is adjusted, the drive motor in the moving mechanism is controlled to work, the walking wheel is driven to rotate, so that the supporting column can move transversely along the supporting bottom plate, so that the two metal plates are close to each other, and the welding positions thereof contact each other, then laser is used for welding processing.

[0022] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to embrace all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims to which they relate.

[0023] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A fixture for laser welding comprising a support base plate (1), characterised in that: The support base plate (1) is provided with two support connecting plates (2) in transverse opposition above it, the two ends of the support connecting plate (2) are provided with a movable support column (3), the bottom of the movable support column (3) is in transverse sliding connection with the top of the support base plate (1), a rotating shaft (4) is arranged between the movable support columns (3) above the support connecting plate (2), a rotating motor (5) is arranged on the outer surface of the movable support column (3) at one end of the rotating shaft (4), the output end of the rotating motor (5) is connected with one end of the rotating shaft (4), a limiting mechanism (6) is arranged on the outer surface of the rotating shaft (4), U-shaped support plug-in plates (7) are inserted and mounted on the opposite inner sides of the support connecting plate (2), a telescopic device (8) is arranged between the U-shaped support plug-in plate (7) and the support connecting plate (2), a first lifting device (9) is arranged at the bottom of the end of the U-shaped support plug-in plate (7) away from the support connecting plate (2), a support mounting frame (10) is mounted on the top output end of the first lifting device (9) penetrating through the U-shaped support plug-in plate (7), and a support lifting roller (11) is mounted on the inner side of the support mounting frame (10).

2. A fixture for laser welding as claimed in claim 1, characterized in that A moving mechanism is arranged between the movable support column (3) at one end of the support connecting plate (2) and the support base plate (1), the moving mechanism comprises a driving motor mounted on the movable support column (3), a walking wheel is mounted on the driving motor, and the circumferential outer surface of the walking wheel is in contact with the top of the support base plate (1).

3. A fixture for laser welding as defined in claim 1, characterized in that Rotating bearings are arranged at positions corresponding to the movable support columns (3) at both ends of the rotating shaft (4), and the outer rings of the rotating bearings are connected with the movable support columns (3).

4. The fixture for laser welding of claim 1, wherein The limiting mechanism (6) comprises an L-shaped limiting support plate (601) mounted on the outer surface of the rotating shaft (4), a limiting pressing plate (602) is arranged above the L-shaped limiting support plate (601), second lifting devices (603) are arranged at both ends of the bottom of the L-shaped limiting support plate (601), the top output ends of the second lifting devices (603) penetrate through the L-shaped limiting support plate (601) and are connected with the limiting pressing plate (602), and a levelness sensor (604) is arranged between the second lifting devices (603) at the bottom of the L-shaped limiting support plate (601).

5. The fixture for laser welding of claim 1, wherein Guide support plug-in rods (12) are arranged at both ends of the bottom of the support mounting frame (10), the guide support plug-in rods (12) are in plug-in connection with the U-shaped support plug-in plate (7), and the U-shaped support plug-in plate (7) is provided with a straight line bushing at a position corresponding to the guide support plug-in rod (12).

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