Automatic welding machine for semitrailer bottom plate

Abstract

The utility model discloses a semitrailer bottom plate automatic welding machine which comprises a fixing plate, two supporting plates are fixedly connected to the two ends of the fixing plate, adjusting assemblies are arranged on the two supporting plates, a plurality of positioning grooves are formed in the fixing plate, positioning plates are connected into several positioning grooves in a sliding mode, and the adjusting assemblies are arranged on the two supporting plates. A plurality of positioning plates are fixedly connected to the upper end faces of the two supporting plates, a bottom plate body is arranged on the fixing plate, the bottom plate body is arranged among the positioning plates, clamping plates are fixedly connected to the upper end faces of the two supporting plates, a plurality of hydraulic pumps are arranged on the end faces, close to the bottom plate body, of the two clamping plates, and the output ends of the hydraulic pumps are arranged on the bottom plate body. According to the base plate body welding device, various base plate bodies with different sizes can be fixed, the practicability is high, meanwhile, the base plate bodies can be automatically welded, the labor amount of workers is reduced, and the welding efficiency and quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of semitrailer bottom plate welding, in particular to an automatic welding machine for a semitrailer bottom plate. Background Art

[0002] A semi-trailer is a trailer whose axle is placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. Bottom plate welding is a very important and indispensable welding process in the production of trailers.

[0003] Existing semi-trailer floor welding usually uses manual or simple welding equipment. Due to the large span of the welding workpiece, the labor intensity of the workers is very high. At the same time, the welding quality cannot be guaranteed to be uniform, and the production speed of manual welding is very slow, resulting in low welding efficiency.

[0004] Therefore, we propose a semi-trailer bottom plate automatic welding machine to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problems existing in the prior art and proposes an automatic welding machine for the bottom plate of a semitrailer.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A semi-trailer bottom plate automatic welding machine comprises a fixed plate, two supporting plates are fixedly connected at both ends of the fixed plate, adjustment components are arranged on the two supporting plates, a plurality of positioning grooves are arranged on the fixed plate, positioning plates are slidably connected in several positioning grooves, a bottom plate body is arranged on the fixed plate, the bottom plate body is arranged between a plurality of positioning plates, clamping plates are fixedly connected to the upper surfaces of the two supporting plates, a plurality of hydraulic pumps are arranged on one end surface of the two clamping plates close to the bottom plate body, and output ends of the plurality of hydraulic pumps are arranged on the bottom plate body.

[0008] Preferably, the adjustment assembly includes two sliding cavities respectively arranged on two support plates, and sliding openings are arranged on the upper inner walls of the two sliding cavities, a first threaded rod is rotatably connected to the inner wall of one of the sliding cavities, and a sliding rod is fixedly connected to the inner wall of the other sliding cavity, a sliding block is threadedly penetrated on the first threaded rod, and a moving block is slidably penetrated on the sliding rod, connecting plates are arranged on the sliding block and the moving block, the two connecting plates are respectively slidably connected in the two sliding openings, and welding assemblies are arranged on the two connecting plates.

[0009] Preferably, the welding assembly includes a top plate fixed on two connecting plates, the top plate is provided with a working groove, the inner wall of the working groove is rotatably connected with a second threaded rod, the second threaded rod has two adjusting blocks threadedly penetrated, the two adjusting blocks are slidably connected in the working groove, the two adjusting blocks are provided with a lifting pump at one end close to the bottom plate body, the output ends of the two lifting pumps are fixedly connected with a U-shaped plate, the two U-shaped plates are rotatably connected with rotating rollers, welding devices are provided on the two rotating rollers, servo motors are provided on the two U-shaped plates, the output ends of the two servo motors are rotatably passed through the U-shaped plate and fixedly connected to the rotating roller, a rotating motor is provided on one side wall of the top plate, and the output end of the rotating motor is rotatably passed through the base and fixedly connected to the second threaded rod.

[0010] Preferably, a plurality of columns are fixedly connected to one end surface of the two support plates away from the top plate.

[0011] Preferably, a rotating machine is provided on one side wall of one of the support plates, and an output end of the rotating machine rotates through the support plate and is fixedly connected to the first threaded rod.

[0012] Preferably, output ends of the plurality of hydraulic pumps are each provided with a protective pad.

[0013] Preferably, an anti-slip pad layer is provided on the upper surface of the fixing plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] In the utility model, the user adjusts the position of the positioning plate according to the size of the base plate body, and then the user places the base plate body on the fixing plate, and then the hydraulic pump is started to clamp and fix the base plate body to prevent the base plate body from moving during welding, and then the rotating machine starts to work, so that the connecting plate can be driven to move, and after the welding device is moved to the welding position, the rotating motor starts to work at this time, so that the welding device can be moved, and when the welding device reaches the welding point, the lifting pump starts to work, and the output end of the lifting pump drives the welding device to descend, so that the base plate body can be welded, and when the angle of the welding device needs to be adjusted, the servo motor drives the welding device to rotate and adjust, and then the welding work is carried out, which reduces the workload of the staff and improves the efficiency and quality of welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional structural cross-sectional view of an automatic welding machine for the bottom plate of a semi-trailer proposed by the utility model;

[0017] Figure 2 This is a front structural sectional view of an automatic welding machine for the bottom plate of a semi-trailer proposed by the utility model;

[0018] Figure 3 This is a three-dimensional diagram of the structure of a rotating machine of a semi-trailer bottom plate automatic welding machine proposed by the utility model;

[0019] Figure 4 This is a three-dimensional diagram of the U-shaped plate structure of an automatic welding machine for the bottom plate of a semitrailer proposed by the utility model.

[0020] In the figure: 1 fixed plate, 2 support plate, 3 positioning groove, 4 positioning plate, 5 bottom plate body, 6 clamping plate, 7 hydraulic pump, 8 sliding cavity, 9 sliding port, 10 first threaded rod, 11 sliding rod, 12 sliding block, 13 connecting plate, 14 top plate, 15 working groove, 16 second threaded rod, 17 adjusting block, 18 U-shaped plate, 19 welding device, 20 column, 21 rotating machine. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Reference Figure 1-Figure 4 , an automatic welding machine for the bottom plate of a semi-trailer, comprising a fixed plate 1, two supporting plates 2 are fixedly connected at both ends of the fixed plate 1, and a plurality of columns 20 are fixedly connected on one end surface of the two supporting plates 2 away from the top plate 14, and the columns 20 can improve the stability of the device and prevent the device from moving during operation, and an adjustment component is arranged on the two supporting plates 2, and a plurality of positioning grooves 3 are arranged on the fixed plate 1, wherein positioning plates 4 are slidably connected in several positioning grooves 3, and a bottom plate body 5 is arranged on the fixed plate 1, and an anti-skid pad layer is arranged on the upper end surface of the fixed plate 1, and the setting of the anti-skid pad layer can prevent the bottom plate body 5 from moving, thereby improving the fixing effect of the device, and the bottom plate body 5 is arranged between the plurality of positioning plates 4, and the upper end surfaces of the two supporting plates 2 are fixedly connected with a clamping plate 6, and the end surfaces of the two clamping plates 6 close to the bottom plate body 5 are provided with a plurality of hydraulic pumps 7, and the output ends of the plurality of hydraulic pumps 7 are arranged on the bottom plate body 5, and the output ends of the plurality of hydraulic pumps 7 are provided with protective pads, and the protective pads can increase the contact area between the output end of the hydraulic pump 7 and the bottom plate body 5, thereby improving the fixing effect;

[0023] The adjustment component includes two sliding cavities 8 respectively arranged on the two support plates 2, and sliding openings 9 are arranged on the upper inner walls of the two sliding cavities 8. A first threaded rod 10 is rotatably connected to the inner wall of one of the sliding cavities 8, and a rotating machine 21 is arranged on one side wall of one of the support plates 2. The output end of the rotating machine 21 rotates through the support plate 2 and is fixedly connected to the first threaded rod 10. The rotating machine 21 is a prior art that can drive the first threaded rod 10 to rotate, and will not be repeated here. A sliding rod 11 is fixedly connected to the inner wall of the other sliding cavity 8, and a sliding block 12 is threadedly penetrated on the first threaded rod 10. A moving block is slidably penetrated on the sliding rod 11, and connecting plates 13 are arranged on the sliding block 12 and the moving block. The two connecting plates 13 are respectively slidably connected in the two sliding openings 9, and welding components are arranged on the two connecting plates 13;

[0024] The welding assembly includes a top plate 14 fixed together on two connecting plates 13, a working groove 15 is provided on the top plate 14, a second threaded rod 16 is rotatably connected to the inner wall of the working groove 15, two adjustment blocks 17 are threadedly penetrated on the second threaded rod 16, the two adjustment blocks 17 are slidably connected in the working groove 15, a lifting pump is provided at one end of the two adjustment blocks 17 close to the bottom plate body 5, the output ends of the two lifting pumps are fixedly connected to a U-shaped plate 18, the two U-shaped plates 18 are rotatably connected to rotating rollers, welding devices 19 are provided on the two rotating rollers, servo motors are provided on the two U-shaped plates 18, the output ends of the two servo motors are rotatably penetrated through the U-shaped plate 18 and fixedly connected to the rotating roller, a rotating motor is provided on one side wall of the top plate 14, and the output end of the rotating motor is rotatably penetrated through the top plate 14 and fixedly connected to the second threaded rod 16.

[0025] During the use of the utility model, the user adjusts the position of the positioning plate 4 according to the size of the bottom plate body 5, so as to ensure that the position of the bottom plate body 5 on the fixed plate 1 remains coordinated, which is convenient for the welding work. Then the user places the bottom plate body 5 on the fixed plate 1, and then the hydraulic pump 7 is started, and the hydraulic pump 7 clamps and fixes the bottom plate body 5 to prevent the bottom plate body 5 from moving during the welding process. Then the rotating machine 21 starts to work, and the output end of the rotating machine 21 can drive the first threaded rod 10 to rotate, so that the connecting plate 13 can be moved, and the welding device 19 can be moved to the welding position. When the rotating motor starts working, the output end of the rotating motor will drive the second threaded rod 16 to rotate, so that the two adjustment blocks 17 can slide on the second threaded rod 16, so that the welding device 19 can be moved. When the welding device 19 reaches the welding point, the lifting pump starts working, and the output end of the lifting pump drives the welding device 19 to descend, so that the base plate body 5 can be welded. When the welding device 19 needs to be adjusted in angle, the servo motor drives the welding device 19 to rotate and adjust, and then the welding work is carried out, which reduces the workload of the staff and improves the efficiency and quality of welding.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A semi-trailer floor automatic welding machine, comprising a fixing plate (1), characterized in that: Two support plates (2) are fixedly connected to the two ends of the fixed plate (1), and the two support plates (2) are provided with adjustment components. A plurality of positioning grooves (3) are provided on the fixed plate (1), and positioning plates (4) are slidably connected in several positioning grooves (3). A base plate body (5) is provided on the fixed plate (1), and the base plate body (5) is arranged between the plurality of positioning plates (4). The upper end surfaces of the two support plates (2) are fixedly connected with clamping plates (6), and a plurality of hydraulic pumps (7) are provided on one end surface of the two clamping plates (6) close to the base plate body (5), and the output ends of the plurality of hydraulic pumps (7) are arranged on the base plate body (5).

2. The automatic welding machine for the bottom plate of a semitrailer according to claim 1, characterized in that: The adjustment assembly comprises two sliding cavities (8) respectively arranged on two support plates (2), and sliding openings (9) are arranged on the upper inner walls of the two sliding cavities (8), a first threaded rod (10) is rotatably connected to the inner wall of one of the sliding cavities (8), and a sliding rod (11) is fixedly connected to the inner wall of the other sliding cavity (8), a sliding block (12) is threadedly penetrated on the first threaded rod (10), and a moving block is slidably penetrated on the sliding rod (11), and connecting plates (13) are arranged on the sliding block (12) and the moving block, and the two connecting plates (13) are respectively slidably connected in the two sliding openings (9), and welding assemblies are arranged on the two connecting plates (13).

3. The automatic welding machine for the bottom plate of a semitrailer according to claim 2, characterized in that: The welding assembly comprises a top plate (14) fixed on two connecting plates (13), a working groove (15) being arranged on the top plate (14), a second threaded rod (16) being rotatably connected to the inner wall of the working groove (15), two adjusting blocks (17) being threadedly penetrated on the second threaded rod (16), the two adjusting blocks (17) being slidably connected in the working groove (15), a lifting pump being arranged at one end of the two adjusting blocks (17) close to the bottom plate body (5), and the outputs of the two lifting pumps The ends of the top plate (14) are fixedly connected to a U-shaped plate (18), the two U-shaped plates (18) are rotatably connected to a rotating roller, the two rotating rollers are provided with a welding device (19), the two U-shaped plates (18) are provided with a servo motor, the output ends of the two servo motors are rotatably passed through the U-shaped plate (18) and are fixedly connected to the rotating roller, and a rotating motor is provided on a side wall of the top plate (14), the output end of the rotating motor is rotatably passed through the top plate (14) and is fixedly connected to the second threaded rod (16).

4. The automatic welding machine for the bottom plate of a semitrailer according to claim 3, characterized in that: A plurality of columns (20) are fixedly connected to one end surface of the two support plates (2) away from the top plate (14).

5. The automatic welding machine for the bottom plate of a semitrailer according to claim 2, characterized in that: A rotating machine (21) is provided on one side wall of one of the support plates (2), and an output end of the rotating machine (21) rotates through the support plate (2) and is fixedly connected to the first threaded rod (10).

6. The automatic welding machine for the bottom plate of a semitrailer according to claim 1, characterized in that: The output ends of the multiple hydraulic pumps (7) are all provided with protective cushion blocks.

7. The automatic welding machine for the bottom plate of a semitrailer according to claim 1, characterized in that: The upper end surface of the fixing plate (1) is provided with an anti-slip cushion layer.

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