Laser welding device for trailer sheet metal parts

Abstract

The utility model relates to trailer production equipment, in particular to a laser welding device for trailer sheet metal parts. A laser welding device for trailer sheet metal parts comprises a machine frame fixedly installed on a foundation, the machine frame is in a C shape, a transverse moving frame capable of horizontally moving is arranged at the upper end of the machine frame, a welding head is installed at the lower end of the transverse moving frame, a working flat plate is fixed to the bottom of the machine frame, and positioning parts used for clamping the sheet metal parts are arranged on the machine frame and located on the two sides of the working flat plate. According to the laser welding device for the trailer sheet metal part, the transverse moving frame capable of horizontally moving is arranged on the rack, the transverse moving frame drives the welding head to horizontally move, the sheet metal part can be conveniently and linearly welded, the positioning part at the lower end of the rack can assist in positioning of the sheet metal part, and welding operation is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a trailer production equipment, especially a laser welding device for trailer sheet metal parts. BACKGROUND

[0002] The trailer for small vehicles is welded and spliced by multiple metal beams, connecting pieces and sheet metal plates, and when producing, the relatively regular structure of the trailer side wall needs to be welded, which requires a positioning mechanism to facilitate the welding of sheet metal parts, and currently there is no suitable mechanism, resulting in poor welding stability and failing to meet the production demand.

[0003] In view of the above defects, the present design person actively researches and innovates to create a laser welding device for trailer sheet metal parts, which has more industrial utilization value. INVENTION CONTENTS

[0004] To solve the above technical problems, the purpose of the utility model is to provide a laser welding device for trailer sheet metal parts.

[0005] The laser welding device for trailer sheet metal parts of the utility model comprises a rack fixedly installed with a foundation, the rack presents a "C" shape, the upper end of the rack is provided with a horizontal movable transverse frame, the lower end of the transverse frame is provided with a welding head, the bottom of the rack is fixedly provided with a working flat plate, and the two sides of the working flat plate on the rack are both provided with a positioning part for clamping the sheet metal part.

[0006] The laser welding device for trailer sheet metal parts has the horizontal movable transverse frame on the rack, the transverse frame drives the welding head to move horizontally, facilitates the straight-line welding of the sheet metal part, and the positioning part at the lower end of the rack can assist the positioning of the sheet metal part, thereby facilitating the welding operation.

[0007] Further, the transverse frame comprises a horizontal plate, the two ends of the horizontal plate are provided with downwardly installed vertical plates, the inner side of the vertical plate is provided with a sliding block matched with the slide rails on the two sides of the upper end of the rack, the horizontal plate is fixedly provided with a first motor, the output shaft of the first motor is provided with a driving tooth after penetrating through the horizontal plate, and the driving tooth is meshed with a first rack installed on the rack.

[0008] The horizontal plate on the transverse frame serves as an installation structure, which is matched with the slide rails on the two sides of the upper end of the rack and can move on the rack under the driving of the first motor, thereby facilitating the straight-line welding operation.

[0009] Further, the middle of the horizontal plate is provided with a second motor through a frame-shaped mounting bracket, the output shaft of the second motor is provided with a driving tooth after penetrating through the mounting bracket, the horizontal plate on the lower end of the mounting bracket is movably provided with a second rack through a sliding block, the two ends of the second rack are fixedly provided with an adapter rod, the horizontal plate is provided with a through hole for the adapter rod to pass through and move horizontally, and the lower end of the adapter rod is provided with a liftable welding head mounting plate.

[0010] The second motor can drive the adapter frame to move in a small range, so as to adjust the relative position of the welding head mounting plate installed at the lower end of the adapter rod, adjust the welding direction, and meet the welding requirements.

[0011] Further, the lower end of the adapter rod is fixed with two supporting plates, the middle part and both sides of the supporting plates have through holes, the middle part through hole passes through the screw rod, the end of the screw rod is fixedly connected with the lower plate, the lower end of the guide rod is fixed with the lower plate, the welding head mounting plate is fixed on the lower plate by means of bolts and nuts, and the adjusting nut is sleeved on the screw rod between the two supporting plates.

[0012] By rotating the adjusting nut, the screw rod can be rotated, and the lower plate can be lifted and lowered, so as to adjust the relative height of the welding mounting plate on the lower plate, and the height of the welding head on the welding head mounting plate is adjusted.

[0013] Further, the positioning part includes a right-angled positioning plate fixedly installed with the rack, the middle part of the positioning plate has a threaded hole, the end of the adjusting screw rod screwed into the threaded hole has a protruding ring structure, and the ring structure is clamped into the groove on the inner side of the push plate.

[0014] The positioning part drives the push plate to move forward and backward by rotating the adjusting screw rod, and the positioning parts on both sides are matched to clamp the sheet metal part, so as to facilitate welding.

[0015] Further, the positioning plate is provided with guide sleeves on both sides, the push plate guide rod is inserted into the guide sleeves, and the push plate guide rod is fixedly connected with the push plate.

[0016] The push plate is movably connected between the guide rod and the positioning plate, and the guide rod provides guidance for the movement of the push plate.

[0017] The above scheme has at least the following advantages: the trailer sheet metal part laser welding device provides an auxiliary clamping mechanism for the welding of metal sheet metal parts, the height and horizontal position of the welding head can be adjusted, different product welding requirements are met, the movement of the welding head is driven by the motor, the movement is stable and uniform, and the welding operation is facilitated.

[0018] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the present application are described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows, and it should be understood that the following drawings only show one embodiment of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.

[0020] Figure 1 is a structural schematic diagram of the present application;

[0021] Figure 2 is a structural schematic diagram of the horizontal moving frame of the present application;

[0022] Figure 3 is a partial enlarged schematic diagram of the present application Figure 1 ;

[0023] In the drawing, 1 is a rack, 2 is a horizontal moving frame, 3 is a welding head, 4 is a working flat plate, 5 is a horizontal plate, 6 is a vertical plate, 7 is a first motor, 8 is a first rack, 9 is a second motor, 10 is a mounting frame, 11 is a second rack, 12 is a switching rod, 13 is a welding head mounting plate, 14 is a supporting plate, 15 is a screw rod, 16 is a guide rod, 17 is a lower plate, 18 is an adjusting nut, 19 is a positioning plate, 20 is an adjusting screw rod, 21 is a push plate, and 22 is a push plate guide rod. DETAILED DESCRIPTION

[0024] The specific implementation of the present application will be further described in detail in combination with the drawings and embodiments. The following embodiments are used to illustrate the present application, but not to limit the scope of the present application.

[0025] Referring to Figure 1 , the rack 1 of the trailer sheet metal part laser welding device is formed by welding and splicing multiple sections, and the lateral view presents a frame structure in the shape of "C". The horizontal moving frame 2 is arranged at the upper end of the rack 1, and the horizontal moving frame 2 can move horizontally on the rack 1. When the horizontal moving frame 2 moves, the welding head 3 at the lower end is driven to move, and the straight welding operation is completed. The working flat plate 4 is fixed below the rack 1, and the working flat plate 4 is used to place the sheet metal part. The positioning parts for clamping the sheet metal part are arranged on both sides of the working flat plate 4, and the clamping facilitates the welding operation.

[0026] Referring to Figure 2 , the vertical plates 6 at both ends of the horizontal plate 5 of the horizontal moving frame 2 have sliding blocks on the inner sides. The sliding blocks are matched with the sliding rails on both sides of the upper end of the rack 1. The driving teeth mounted on the first motor 7 are engaged with the first rack 8. Under the driving of the first motor 7, the entire horizontal moving frame 2 can move horizontally above the rack 1.

[0027] The mounting frame 10 at the upper end of the horizontal plate 5 is used for mounting the second motor 9, the second motor 9 drives the connected driving tooth to rotate, and is used for driving the second rack 11 engaged with the driving tooth to move on the sliding block, the horizontal plate 5 is provided with a through hole, the width of the through hole is greater than the size of the connecting rod 12, the connecting rod 12 is fixed at the two ends of the second rack 11, when the second rack 11 moves, the connecting rod 12 can be driven to move in a small range in the through hole, and finally the welding head mounting plate 13 mounted in the lower end of the connecting rod 12 is driven to move, so that the position of the welding head 3 is adjusted.

[0028] There are two supporting plates 14 at the lower end of the connecting rod 12, the supporting plate 14 is provided with a screw rod 15 in the middle, the screw rod 15 is driven to move up and down by adjusting the adjusting nut 18, and then the lower plate 17 mounted in the lower end of the screw rod 15 is driven to move up and down, the lower plate 17 is used for mounting the welding head mounting plate 13, so that the welding head 3 is driven to move in the height condition, and the welding operation is facilitated, and the movement of the lower plate 17 is guided by the guide rod 16, so that the direction of the lower plate 17 is limited.

[0029] Referring to Figure 1 and Figure 3 , the positioning part is fixedly installed by the positioning plate 19, the adjusting screw rod 20 is installed on the positioning plate 19 through a threaded hole, and the protruding structure at the tail end of the adjusting screw rod 20 is clamped in the corresponding groove of the push plate 21; when the adjusting screw rod 20 is rotated, the push plate 21 cannot be rotated, so that the push plate 21 is conveniently driven to move forward, and the clamping operation on the sheet metal part is facilitated.

[0030] The guide sleeve on the positioning plate 19 is used for guiding the push plate guide rod 22 to move, and the push plate guide rod 22 is fixedly connected with the push plate 21, so that the movement of the push plate 21 is guided, and the push plate 21 is prevented from rotating with the adjusting screw rod 20.

[0031] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0032] Secondly: the utility model discloses the embodiment in the drawing, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0033] Finally: the above described is only the preferred embodiment of the present application, and is not used to limit the present application, it should be pointed out that, for ordinary skilled in the art, without departing from the technical principle of the present application, can make a number of improvements and variations, these improvements and variations should also be considered as the protection scope of the present application.

Claims

1. A laser welding device for trailer sheet metal parts, comprising a frame (1) fixedly mounted to a foundation, characterized in that: The frame (1) is in the shape of "C", the upper end of which is provided with a horizontal movable cross slide (2), the lower end of the cross slide (2) is provided with a welding head (3), the bottom of the frame (1) is fixed with a work flat plate (4), and the frame (1) is provided with positioning parts for clamping metal plates on both sides of the work flat plate (4).

2. The laser welding device for trailer panel according to claim 1, characterized in that: The cross slide (2) comprises a horizontal plate (5), the two ends of the horizontal plate (5) are provided with downwardly installed vertical plates (6), the inner sides of the vertical plates (6) are provided with sliding blocks matched with the sliding rails on the upper end of the frame (1), the horizontal plate (5) is fixed with a first motor (7), the output shaft of the first motor (7) is provided with a driving gear after penetrating through the horizontal plate (5), and the driving gear is engaged with a first rack (8) installed on the frame (1).

3. The laser welding device for trailer sheet metal parts of claim 2, wherein: The middle of the horizontal plate (5) is provided with a second motor (9) through a frame-shaped mounting bracket (10), the output shaft of the second motor (9) is provided with a driving gear after penetrating through the mounting bracket (10), the horizontal plate (5) at the lower end of the mounting bracket (10) is movably provided with a second rack (11) through a sliding block, the two ends of the second rack (11) are fixed with adapter rods (12), the horizontal plate (5) is provided with through holes for the adapter rods (12) to penetrate and move horizontally, and the lower ends of the adapter rods (12) are provided with a lifting welding head mounting plate (13).

4. The laser welding device for trailer sheet metal parts of claim 3, wherein: The lower ends of the adapter rods (12) are fixed with two supporting plates (14), the middle and both sides of the supporting plates (14) are provided with through holes, the middle through hole penetrates a screw rod (15), the end of the screw rod (15) is fixedly connected with a lower plate (17), the end of a guide rod (16) is fixed with the lower plate (17), the welding head mounting plate (13) is fixed on the lower plate (17) through a bolt and nut, and an adjusting nut (18) is sleeved on the screw rod (15) between the two supporting plates (14).

5. The laser welding device for trailer sheet metal parts of claim 1, wherein: The positioning parts comprise a right-angled positioning plate (19) fixedly installed on the frame (1), the middle of the positioning plate (19) is provided with a screw hole, the end of an adjusting screw rod (20) screwed into the screw hole is provided with a convex ring structure which is clamped into a groove in the inner side of a push plate (21).

6. The laser welding device for trailer sheet metal parts of claim 5, wherein: The two sides of the positioning plate (19) are provided with guide sleeves, the guide sleeves are inserted with push plate guide rods (22), and the push plate guide rods (22) are fixedly connected with the push plate (21).

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