Semitrailer carriage welding device

Abstract

The utility model relates to the technical field of semitrailer carriages, in particular to a semitrailer carriage welding device which comprises a workbench, a welding frame, a sliding guide rail, a welding head and a moving assembly, the upper end face of the workbench is connected with the welding frame, the sliding guide rail is connected to the welding frame, the welding head is connected to the sliding guide rail, and the moving assembly is connected to the workbench. The moving assembly comprises an adjusting assembly and a moving assembly, the adjusting assembly is connected to the workbench, and the moving assembly is connected to the adjusting assembly. According to the welding device, the rotating end of the adjusting assembly rotates to drive the carriage plate to rotate with the rotating end as the circle center, the position and angle of the carriage plate are adjusted so that a worker can conduct welding spot operation conveniently, and the moving end of the moving assembly can drive the carriage plate to move in the horizontal direction; the movement of the carriage plate avoids the movement of workers during welding, and meanwhile, the movement of the carriage plate also facilitates the adjustment of the angle of the carriage plate, so that the mutual interference between the carriage plate and the welding frame during the angle adjustment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of semitrailer carriage, specifically relates to a semitrailer carriage welding device. BACKGROUND

[0002] The semitrailer is the axle that is placed in the center of gravity of the vehicle (when the vehicle is evenly loaded) behind, and is equipped with the coupling device that can deliver horizontal and vertical force to the tractor, and the frame is usually increased carriage, and the goods are conveniently accommodated and transported.

[0003] The Chinese patent with the publication number CN218426629U discloses a semitrailer carriage welding device, a placing table is rotatably embedded and installed in the middle end of the processing table, a hollow frame is fixedly installed on the bottom surface of the placing table, a double -sided screw rod is rotatably installed in the middle end of the hollow frame, the outer side both ends surface of the double -sided screw rod is movably sleeved with a movable sleeve, and the outer side top surface of each movable sleeve is fixedly installed with a transmission rod.

[0004] However, in the above technical scheme, the carriage plate is clamped and fixed by the opposite movement of the abutting plate on the placing table, and the position of the carriage plate is adjusted by the rotation of the placing table, but in the existing part welding scene, manual welding spot operation positioning is required to improve the welding quality and efficiency, but the length and width of the carriage plate have multiple specifications, and the length and width of the carriage plate that can be adapted are limited by the sliding guide rail. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a semitrailer carriage welding device.

[0006] The technical scheme of the utility model: a semitrailer carriage welding device, comprising a workbench, which is connected with a welding frame; a sliding guide rail is connected to the welding frame, and a welding head is connected to the sliding guide rail; a moving assembly is connected to the workbench, and the moving assembly comprises an adjusting assembly and a moving assembly, and the adjusting assembly is connected to a rotating cavity formed in the workbench; in the use state of the adjusting assembly, the rotating end drives the carriage plate and the moving assembly to rotate with the rotating end as the center; the moving assembly is connected to the adjusting assembly; in the use state of the moving assembly, the moving end drives the carriage plate to move horizontally, so that different positions of the carriage plate contact the welding head.

[0007] Preferably, the adjusting assembly comprises a rotating disc, one end of which is connected with a supporting shaft, the supporting shaft is rotatably connected in a rotating cavity formed in the workbench; a first driving device, which is connected with the workbench, the output end of the first driving device is connected with an output shaft; a driving gear, which is connected with the output shaft; a driven gear, which is connected with the supporting shaft, the driven gear is in meshing transmission connection with the driving gear.

[0008] Preferably, the moving assembly comprises a second driving device, which is connected with the rotating disc; a threaded rod, which is rotatably connected in a sliding groove formed in the rotating disc, one end of the threaded rod is connected with the output end of the second driving device; two moving seats, which are arranged in parallel, the moving seats are threadedly connected with the threaded rod, the moving seats are matched with the sliding groove; a supporting frame, which is connected with the moving seats, the carriage plate is placed on the supporting frame; a clamping assembly, which is connected with the supporting frame; in the use state of the clamping assembly, the moving end of the clamping assembly moves towards the fixed end to limit the horizontal movement of the carriage plate; two auxiliary assemblies, which are symmetrically arranged, the auxiliary assemblies are connected with the workbench; in the use state of the auxiliary assemblies, the rotating end of the auxiliary assemblies is rotated from the vertical state to the horizontal state and is flush with the supporting frame.

[0009] Preferably, the clamping assembly comprises a positioning plate, which is connected with the supporting frame; a plurality of first telescopic devices, which are arranged in parallel, the first telescopic devices are connected with the supporting frame; an abutting plate, which is connected with the telescopic ends of the plurality of first telescopic devices, the abutting plate is arranged in parallel with the positioning plate.

[0010] Preferably, the abutting plate is connected with a buffer pad.

[0011] Preferably, the positioning plate comprises a fixed plate, a moving plate, a limiting plate and a second telescopic device, the fixed plate is connected with the supporting frame, both ends of the fixed plate are provided with accommodating grooves, the second telescopic device is connected in the accommodating grooves, the telescopic end of the second telescopic device is connected with the moving plate, the moving plate is detachably connected with the limiting plate which is arranged perpendicularly with the moving plate.

[0012] Preferably, the auxiliary assembly comprises an auxiliary plate, which is rotatably connected with the workbench; a plurality of rollers, which are distributed, the rollers are rotatably connected with the auxiliary plate; a plurality of supporting rods, which are arranged in parallel, the supporting rods are rotatably connected with the auxiliary plate.

[0013] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0014] The rotating end of the adjusting assembly can drive the carriage plate and the moving assembly to rotate with the rotating end as the center, the position and the angle of the carriage plate are adjusted so that the welding point operation of the staff is facilitated, the moving end of the moving assembly can drive the carriage plate to move in the horizontal direction, the movement of the carriage plate avoids the movement of the staff during welding, and meanwhile, the movement of the carriage plate and the moving end also facilitates the adjustment of the angle, and the mutual interference between the carriage plate and the welding frame during the angle adjustment is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model;

[0016] Figure 2 It is Figure 1 a sectional view schematic diagram;

[0017] Figure 3 It is an adjusting assembly structure schematic diagram;

[0018] Figure 4 It is Figure 3 an A structure enlarged view of the utility model.

[0019] Fig. 1, workbench; 2, welding frame; 3, sliding guide rail; 4, welding head; 5, rotating disc; 6, first driving device; 7, output shaft; 8, driving gear; 9, driven gear; 10, second driving device; 11, threaded rod; 12, moving seat; 13, support frame; 14, positioning plate; 15, first telescopic device; 16, abutting plate; 17, fixed plate; 18, moving plate; 19, limiting plate; 20, second telescopic device; 21, auxiliary plate; 22, roller; 23, supporting rod. DETAILED DESCRIPTION

[0020] Example one

[0021] As Figures 1-4 shown, the utility model provides a kind of semi-trailer carriage welding device, including workbench 1, welding frame 2, sliding guide rail 3, welding head 4 and moving assembly, workbench 1 upper end surface is connected with welding frame 2;Welding frame 2 shape is 7 or inverted L shape;Sliding guide rail 3 is connected on welding frame 2, and welding head 4 is connected on sliding guide rail 3;Moving assembly is connected on workbench 1, and moving assembly includes adjusting assembly and moving assembly, and adjusting assembly is connected in the rotating cavity opened on workbench 1;Rotating end rotates and drives carriage plate and moving assembly to rotate with rotating end as center in the use state of adjusting assembly;Moving assembly is connected on adjusting assembly;In the use state of moving assembly, moving end drives carriage plate to move in horizontal direction, so that carriage plate different position is contacted with welding head 4.

[0022] Example two

[0023] As Figure 2As shown in the utility model discloses a kind of semi-trailer carriage welding devices, compared with embodiment one, detailed structure of adjusting assembly is described in this embodiment, adjusting assembly includes rotating disc 5, first driving device 6, output shaft 7, driving gear 8 and driven gear 9, rotating disc 5 one end is connected with support shaft, support shaft is rotatably connected in the rotating cavity opened in workbench 1, rotating disc 5 is rotary end, first driving device 6 is connected on workbench 1, and the output end of first driving device 6 is connected with output shaft 7;First driving device 6 selects but is not limited to speed reducer motor;Driving gear 8 is connected on output shaft 7, and driven gear 9 is connected on support shaft, and driven gear 9 is engaged with driving gear 8 transmission connection.

[0024] Embodiment three

[0025] As Figures 1-2 shown, the utility model discloses a kind of semi-trailer carriage welding devices, compared with embodiment two, detailed structure of moving assembly is described in this embodiment, moving assembly includes second driving device 10, threaded rod 11, mobile seat 12, support frame 13, clamping assembly and auxiliary assembly, and second driving device 10 is connected in the sliding groove on rotating disc 5;Second driving device 10 selects but is not limited to speed reducer motor;Threaded rod 11 bearing rotatably connects in the sliding groove opened in rotating disc 5, and the output end of threaded rod 11 is connected with second driving device 10 at any end, and mobile seat 12 is parallelly arranged with two, and mobile seat 12 is screw-connected on threaded rod 11, and mobile seat 12 is matched with sliding groove, and support frame 13 is connected on mobile seat 12, and carriage board is placed on support frame 13, and support frame 13 is mobile end;Clamping assembly is connected on support frame 13;In the use state of clamping assembly, the mobile end of clamping assembly moves to fixed end and limits carriage board horizontal direction movement;Auxiliary assembly is symmetrically provided with two, and auxiliary assembly is connected on workbench 1;In the use state of auxiliary assembly, the rotary end of auxiliary assembly is changed from vertical state to horizontal state and is flush with support frame 13;

[0026] Clamping assembly includes positioning plate 14, first telescopic device 15 and abutting plate 16, positioning plate 14 is connected on support frame 13, and multiple first telescopic devices 15 are parallelly arranged, and first telescopic device 15 is connected on support frame 13;First telescopic device 15 selects but is not limited to multiple hydraulic cylinders;Abutting plate 16 is connected with the telescopic end of multiple first telescopic devices 15, and abutting plate 16 is parallelly arranged with positioning plate 14;

[0027] In an alternative embodiment, buffer pad is connected on abutting plate 16;Buffer pad selects but is not limited to rubber material, reduces the scratch caused by the contact between abutting plate 16 and carriage board, prevents damage to it;

[0028] In an alternative embodiment, the positioning plate 14 is composed of a fixed plate 17, a moving plate 18, a limiting plate 19 and a second telescopic device 20. The fixed plate 17 is connected to the support frame 13. Both ends of the fixed plate 17 are provided with receiving grooves. The second telescopic device 20 is connected in the receiving grooves. The telescopic end of the second telescopic device 20 is connected to the moving plate 18. The second telescopic device 20 is selected from, but not limited to, a hydraulic cylinder. The moving plate 18 is detachably connected to the limiting plate 19 which is arranged perpendicularly to the moving plate 18. The limiting plate 19 is connected to the moving plate 18 by bolts. When facing a longer carriage plate, the moving range of the moving plate 18 is limited. The limiting plate 19 can be detached to prevent the normal clamping from being affected.

[0029] The auxiliary assembly includes an auxiliary plate 21, rollers 22 and support rods 23. The auxiliary plate 21 is rotationally connected to the workbench 1. The rollers 22 are equidistantly arranged along the length direction of the auxiliary plate 21. The rollers 22 are symmetrically arranged in two rows. The rollers 22 are bearing rotationally connected to the grooves in the auxiliary plate 21. The support rods 23 are parallelly arranged. The support rods 23 are hingedly rotationally connected to the auxiliary plate 21.

[0030] In summary, when the utility model is used, the staff places the carriage plate of the welding point on the support frame 13, starts the first telescopic device 15 and the second telescopic device 20, the output end of the first telescopic device 15 pushes the abutting plate 16 to move and cooperates with the positioning plate 14 to limit the position of the carriage plate, and when the telescopic end of the second telescopic device 20 on the positioning plate 14 extends, it drives the two moving plates 18 to move synchronously in the same direction or opposite directions, the limiting plate 19 connected to the moving plate 18 clamps and limits the two ends of the carriage plate, thereby limiting the horizontal direction of the carriage plate, the staff can manually perform the welding point operation on the carriage plate to improve the welding quality, when the welding point operation is performed, the staff can control the start and stop of the second driving device 10, the controller is started and stopped to drive the threaded rod 11 to rotate, the moving seat 12 on the threaded rod 11 drives the support frame 13 and the carriage plate to move horizontally, so that the staff can conveniently perform the welding point operation, the auxiliary plate 21 on both sides of the workbench 1 can be unfolded to be parallel to the workbench 1 to support the support frame 13, so that the problem that the support frame 13 is difficult to keep balance due to the too long distance from the workbench 1 is prevented, the roller 22 arranged on the auxiliary plate 21 can reduce the friction and noise generated by the movement of the carriage plate, when the width of the carriage plate is large, such as the carriage plate of the box type transport semi-trailer, after one end is welded, the staff controls the first driving device 6 to start, the output shaft 7 on the output end of the first driving device 6 rotates to drive the driving gear 8 to rotate, the driving gear 8 drives the driven gear 9 on the support shaft to rotate to make the rotating disc 5 rotate, so that the position of the carriage plate on the rotating disc 5 changes to make it close to the staff to facilitate welding, the power on the welding frame 2 can also be controlled to make the moving end of the sliding guide rail 3 move, so that the position of the welding head 4 changes, and the welding head 4 itself has the telescopic ability to close to the carriage plate for welding.

[0031] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, within the knowledge range of the technical personnel in the technical field, various changes can be made without departing from the purpose of the utility model.

Claims

1. A semi-trailer bed welding apparatus, characterised in that, The utility model provides a welding head automatic moving device, including Workbench (1), it is connected with welding frame (2); Sliding guide rail (3) is connected on welding frame (2), and sliding guide rail (3) is connected with welding head (4); Mobile assembly is connected on workbench (1), and mobile assembly includes adjusting assembly and mobile assembly, and adjusting assembly is connected in the rotating cavity that workbench (1) is set up;Adjusting assembly uses state, and rotating end rotates and drives carriage board and mobile assembly to rotate with rotating end as center;Mobile assembly is connected on adjusting assembly;Mobile assembly uses state, and mobile end horizontal direction drives carriage board to move, makes carriage board different position with welding head (4) contact.

2. A semi-trailer bed welding apparatus as claimed in claim 1, wherein, Adjusting assembly includes Rotating disc (5), one end is connected with support shaft, and support shaft is rotatably connected in the rotating cavity that workbench (1) is set up; First drive arrangement (6) is connected on workbench (1), and the output of first drive arrangement (6) is connected with output shaft (7); Driving gear (8) is connected on output shaft (7); Driven gear (9) is connected on support shaft, and driven gear (9) is meshed transmission connection with driving gear (8).

3. A semi-trailer bed welding apparatus as claimed in claim 2, wherein, Mobile assembly includes Second drive arrangement (10) is connected on rotating disc (5); Screw rod (11) is rotatably connected in the sliding slot that rotating disc (5) is set up, and screw rod (11) is connected with the output of second drive arrangement (10) at any one end; Mobile seat (12) is parallelly arranged with two, and mobile seat (12) is screw connected on screw rod (11), and mobile seat (12) is matched with sliding slot; Support frame (13) is connected on mobile seat (12), and carriage board is placed on support frame (13); Clamping assembly is connected on support frame (13);Clamping assembly uses state, and the mobile end of clamping assembly moves to fixed end and restricts carriage board horizontal direction movement; Auxiliary assembly is symmetrically arranged with two, and auxiliary assembly is connected on workbench (1);Auxiliary assembly uses state, and the rotating end of auxiliary assembly changes from vertical state to horizontal state and is flush with support frame (13).

4. A semi-trailer bed welding apparatus as claimed in claim 3, wherein, Clamping assembly includes Positioning plate (14) is connected on support frame (13); First telescopic device (15) is parallelly arranged with multiple, and first telescopic device (15) is connected on support frame (13); Butting plate (16) is connected with the telescopic end of multiple first telescopic devices (15), and butting plate (16) is parallelly arranged with positioning plate (14).

5. A semi-trailer body welding apparatus as claimed in claim 4, wherein, Buffer pad is connected on butting plate (16).

6. A semi-trailer body welding apparatus as claimed in claim 4, wherein, Positioning plate (14) is composed of fixed plate (17), moving plate (18), limiting plate (19) and second telescopic device (20), and fixed plate (17) is connected on support frame (13), and both ends of fixed plate (17) are provided with accommodating groove, and second telescopic device (20) is connected in accommodating groove, and the telescopic end of second telescopic device (20) is connected with moving plate (18), and moving plate (18) is detachably connected with limiting plate (19) that is perpendicular to it.

7. A semi-trailer body welding apparatus as claimed in claim 3, wherein, Auxiliary assembly includes Auxiliary plate (21) is rotatably connected on workbench (1); Rollers (22) are distributed in multiple numbers, and the rollers (22) are rotationally connected to the auxiliary plate (21); Supporting rods (23) are provided in multiple numbers in parallel, and the supporting rods (23) are rotationally connected to the auxiliary plate (21).

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