Commercial vehicle bottom plate framework tailor-welding device

Abstract

The utility model discloses a commercial vehicle bottom plate framework tailor-welding device, and relates to the technical field of vehicle bottom plate framework tailor-welding. The device comprises an operation table, a first positioning assembly is arranged on the operation table, the first positioning assembly comprises a limiting frame fixedly connected to the operation table, the outer wall of the right side of the limiting frame is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a threaded rod; the left end of the threaded rod extends to the inner wall of the left side of the limiting frame and is rotationally connected with the limiting frame, the threaded rod is in threaded connection with a first inner threaded block, the first inner threaded block is slidably connected with the inner wall of the limiting frame, the top of the first inner threaded block is fixedly connected with two limiting plates, and a longitudinal beam is arranged between the two limiting plates. According to the utility model, the rapid positioning of the longitudinal beam is realized through the first positioning assembly, and the defect that the accurate positioning is realized by depending on manual assistance during welding is overcome.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle floor frame tailoring welding, in particular to a commercial vehicle floor frame tailoring welding device. Background Art

[0002] The tailored welding system for floor panels plays a key role in the automotive manufacturing industry. It provides a precise and efficient platform for floor panel welding. It ensures accuracy and stability in floor panel welding, reliably guaranteeing weld quality. Furthermore, its highly efficient operation significantly improves production efficiency and shortens manufacturing cycles.

[0003] Existing underbody frame welding equipment relies on manual assistance to achieve precise positioning of crossbeams and longitudinal beams, which may lead to deviations or irregularities in welded parts. At the same time, relying on manual assistance for positioning requires a lot of time and human resources, which may reduce production efficiency and increase production costs, and there is a risk of worker injury or equipment damage. Utility Model Content

[0004] The purpose of the utility model is to provide a commercial vehicle floor frame welding device, which solves the problem of relying on manual assistance to achieve precise positioning.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model relates to a welding device for a commercial vehicle floor frame, which comprises an operating table. A positioning and fixing mechanism is arranged on the operating table.

[0007] Furthermore, the positioning and fixing mechanism includes a first positioning component and a first fixing component, a second positioning component and a second fixing component, the first positioning component includes a limit frame fixedly connected to the operating table, the right outer wall of the limit frame is fixedly connected to motor 1, the output end of motor 1 is fixedly connected to a threaded rod, the left end of the threaded rod extends to the left inner wall of the limit frame and is rotatably connected to the limit frame, an internal thread block 1 is threaded on the threaded rod, the internal thread block 1 is slidably connected to the inner wall of the limit frame, the top of the internal thread block 1 is fixedly connected to two limit plates, and a longitudinal beam is provided between the two limit plates.

[0008] Furthermore, the first fixing assembly includes a nut fixedly connected to the right limiting plate, the inner wall of the nut is threadedly connected to a fixing bolt, and the left end of the fixing bolt extends to the right side of the longitudinal beam.

[0009] Furthermore, the second positioning assembly includes two support plates 1 that are fixedly connected to the bottom of the limit frame, the bottoms of the two support plates 1 are fixedly connected to motor 2, the output ends of the two motors 2 are fixedly connected to a bidirectional threaded rod 1, a plurality of limit slots 1 are provided on the operating table, and two internal thread blocks 2 are threadedly connected to the two bidirectional threaded rods 1, and a crossbeam is provided on the tops of the corresponding two internal thread blocks 2.

[0010] Furthermore, the second fixing assembly includes support plates 2 that are fixedly connected to a side of several internal thread blocks 2 away from the limit frame, the tops of several of the support plates 2 are fixedly connected to hydraulic cylinders, the output ends of several of the hydraulic cylinders are fixedly connected to fixing plates, and several of the fixing plates are in contact with the crossbeam.

[0011] Furthermore, the bottom of the operating table is rotatably connected to a two-way threaded rod, the front end of the two-way threaded rod on the right is fixedly connected to a pulley, the front end of the two-way threaded rod is fixedly connected to a pulley, and a belt is provided between the pulleys one and two.

[0012] Furthermore, a cleaning collection mechanism is provided on the operating table, and the cleaning collection mechanism includes a cleaning assembly, and the cleaning assembly includes two cleaning plates threadedly connected to the two-way threaded rod. The tops of the two cleaning plates extend to the top of the operating table. Two limiting grooves are provided on the operating table, and the two cleaning plates are slidably connected to the inner walls of the corresponding limiting grooves. Two waste discharge grooves are provided on the operating table, and the two waste discharge grooves are located between the limiting frame and the corresponding limiting groove.

[0013] Furthermore, the collection mechanism includes a support frame fixedly connected to the top of the operating table, an exhaust fan is fixedly connected to the support frame, the input end of the exhaust fan extends to the bottom of the support frame, the input end of the exhaust fan is fixedly connected to an air suction hood, the output end of the exhaust fan is fixedly connected to an exhaust pipe, and the end of the exhaust pipe away from the exhaust fan is fixedly connected to a collection box.

[0014] Furthermore, a filter assembly is provided inside the collection box, and the filter assembly includes a filter screen slidably connected to the inner wall of the collection box. The inner wall of the collection box is slidably connected to an activated carbon plate, and the filter screen is located above the activated carbon plate.

[0015] The utility model has the following beneficial effects:

[0016] By setting the first positioning component, the longitudinal beam is placed between the two limit plates, and motor one is started. Motor one drives the threaded rod to rotate, and the threaded rod drives the internal threaded block one to slide horizontally in the limit frame. The threaded block one drives the two limit plates at the top to move and then drives the crossbeam to be quickly positioned. The crossbeam is quickly positioned through the bottom positioning component, which solves the problem of relying on manual assistance to achieve precise positioning during welding, improves the efficiency of welding operations, reduces waiting and adjustment time, and makes the entire welding process more compact and smooth. At the same time, it can ensure the timeliness and accuracy of welding, avoid quality risks caused by positioning delays, and improve the stability of welding quality.

[0017] By setting up a second fixing component, when the beam is placed on the top of the internal thread block 2, the hydraulic cylinder is started, and the hydraulic cylinder drives the fixing plate at the output end to squeeze and fix the beam. Through the second fixing component, the beam can be ensured to remain stable during the welding process, avoiding shaking and displacement, thereby effectively improving the accuracy and quality of welding, and at the same time enhancing the safety of welding operations, reducing the probability of accidents, and ensuring the personal safety of workers.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a right side structural schematic diagram of the present utility model;

[0022] Figure 3 This is a schematic diagram of the bottom-up structure of the present invention;

[0023] Figure 4 This is a schematic cross-sectional view of the utility model;

[0024] Figure 5 For this utility model Figure 2 Schematic diagram of the enlarged structure of A in the middle;

[0025] Figure 6 For this utility model Figure 2 Schematic diagram of the enlarged structure of B;

[0026] Figure 7 For this utility model Figure 3 Schematic diagram of the enlarged structure of C in the middle.

[0027] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0028] Operating table; 2. Limit frame; 3. Motor 1; 4. Threaded rod; 5. Internal thread block 1; 6. Limit plate; 7. Longitudinal beam; 8. Nut; 9. Fixing bolt; 10. Support plate 1; 11. Motor 2; 12. Two-way threaded rod 1; 13. Limit slot 1; 14. Internal thread block 2; 15. Crossbeam; 16. Support plate 2; 17 Hydraulic cylinder; 18. Fixing plate; 19. Two-way threaded rod 2; 20. Pulley 1; 21. Pulley 2; 22. Belt; 23. Cleaning plate; 24. Limit slot; 25. Waste discharge chute; 26. Support frame; 27. Exhaust fan; 28 Suction hood; 29. ​​Exhaust pipe; 30 Collection box; 31. Filter; 32. Activated carbon plate. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] See also Figure 1-7 As shown, the utility model is a welding device for the floor frame of a commercial vehicle, including an operating table 1, a positioning and fixing mechanism is provided on the operating table 1, the positioning and fixing mechanism includes a first positioning component and a first fixing component, a second positioning component and a second fixing component, the first positioning component includes a limit frame 2 fixedly connected to the operating table 1, the right outer wall of the limit frame 2 is fixedly connected to a motor 3, the output end of the motor 3 is fixedly connected to a threaded rod 4, the left end of the threaded rod 4 extends to the left inner wall of the limit frame 2 and is rotatably connected to the limit frame 2, the threaded rod 4 is threaded with an internal thread block 5, the internal thread block 5 is slidably connected to the inner wall of the limit frame 2, the top of the internal thread block 5 is fixedly connected to two limit plates 6, a longitudinal beam 7 is provided between the two limit plates 6, the first fixing component includes a nut 8 fixedly connected to the right limit plate 6, the inner wall of the nut 8 is threadedly connected to a fixing bolt 9, and the left end of the fixing bolt 9 extends to the right side of the longitudinal beam 7;

[0031] The second positioning assembly includes two support plates 10 fixedly connected to the bottom of the limit frame 2, the bottoms of the two support plates 10 are fixedly connected to motors 11, the output ends of the two motors 11 are fixedly connected to bidirectional threaded rods 12, a plurality of limiting slots 13 are provided on the operating table 1, and the two bidirectional threaded rods 12 are threadedly connected to two internal thread blocks 14, and the tops of the two corresponding internal thread blocks 14 are provided with crossbeams 15;

[0032] The second fixing assembly includes support plates 16 fixedly connected to the side of the plurality of internal thread blocks 14 away from the limit frame 2, the tops of the plurality of support plates 16 are fixedly connected with hydraulic cylinders 17, the output ends of the plurality of hydraulic cylinders 17 are fixedly connected with fixing plates 18, and the plurality of fixing plates 18 are in contact with the crossbeam 15. The positioning and fixing mechanism realizes the rapid positioning and fixing of the crossbeam 15 and the longitudinal beam 7, which can greatly improve the assembly efficiency, shorten the production cycle, speed up the project progress, and also help to ensure the connection accuracy of the crossbeam and the longitudinal beam, thereby improving the quality and performance of the overall structure and enhancing safety.

[0033] The bottom of the operating table 1 is rotatably connected to a two-way threaded rod 2 19, the front end of the two-way threaded rod 12 on the right is fixedly connected to a pulley 20, the front end of the two-way threaded rod 19 is fixedly connected to a pulley 21, and a belt 22 is sleeved between the pulley 20 and the pulley 21. A cleaning collection mechanism is provided on the operating table 1, and the cleaning collection mechanism includes a cleaning assembly. The cleaning assembly includes two cleaning plates 23 threadedly connected to the two-way threaded rod 19, and the tops of the two cleaning plates 23 extend to the top of the operating table 1. Two limiting grooves 24 are provided on the operating table 1, and the two cleaning plates 23 are slidably connected to the inner walls of the corresponding limiting grooves 24. Two waste discharge troughs 25 are provided on the operating table 1, and the two waste discharge troughs 25 are both located between the limiting frame 2 and the corresponding limiting grooves 24 The collection mechanism includes a support frame 26 fixedly connected to the top of the operating table 1, an exhaust fan 27 fixedly connected to the support frame 26, the input end of the exhaust fan 27 extends to the bottom of the support frame 26, the input end of the exhaust fan 27 is fixedly connected to a suction hood 28, the output end of the exhaust fan 27 is fixedly connected to an exhaust pipe 29, the end of the exhaust pipe 29 away from the exhaust fan 27 is fixedly connected to a collection box 30, and a filter assembly is provided inside the collection box 30, the filter assembly includes a filter screen 31 slidably connected to the inner wall of the collection box 30, an activated carbon plate 32 is slidably connected to the inner wall of the collection box 30, and the filter screen 31 is located above the activated carbon plate 32. By cleaning and collecting smoke and dust, the risk of workers inhaling these harmful substances can be reduced and the working environment can be improved, while the service life of the equipment can be extended and maintenance costs can be reduced. At the same time, the filter screen 31 can filter out dust particles contained in the collected smoke and dust, and the activated carbon plate 32 can further absorb and filter odors and harmful gases in the dust.

[0034] A specific application of this embodiment is as follows: the longitudinal beam 7 to be welded is placed between the two limit plates 6, the bolts 9 are tightened to fix the longitudinal beam 7 through the cooperation of the nuts 8, the motor 13 is started, the motor 13 drives the threaded rod 4 to rotate, and the threaded rod 4 drives the internal thread block 15 to slide horizontally under the action of the limit frame 2, thereby moving the longitudinal beam 7 to the welding position, and placing the crossbeam 15 on the top of the internal thread block 2 14, starting the hydraulic cylinder 17, and the hydraulic cylinder 17 drives the fixing plate 18 through the output end to squeeze and fix the crossbeam 15, starting the motor 2 11, and the motor 2 11 drives the bidirectional threaded rod 12 and then drives the internal thread block 2 14 to move, thereby achieving the purpose of quickly positioning the crossbeam 15, when the bidirectional threaded rod 12 on the right side is During rotation, the pulley 20, the pulley 21 and the belt 22 cooperate to drive the two-way threaded rod 19 to rotate, and the two-way threaded rod 19 drives the two cleaning plates 23 to slide horizontally in the limit groove 24, thereby cleaning the top surface of the operating table 1. The cleaned welding slag and the like will be discharged from the top surface of the operating table 1 through the two waste discharge grooves 25, and the exhaust fan 27 is started. The exhaust fan 27 drives the suction hood 28 at the input end to absorb the welding smoke generated during welding, and then collects it into the collection box 30 through the exhaust pipe 29. The welding smoke entering the collection box 30 is filtered for the first time through the filter 31, thereby filtering out the dust particles in the welding smoke, and then the harmful gases and odors in the welding smoke are adsorbed and filtered out by the activated carbon plate 32.

[0035] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0036] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A commercial vehicle floor frame welding device, comprising an operating table (1), wherein a positioning and fixing mechanism is provided on the operating table (1); characterized in that: The positioning and fixing mechanism includes a first positioning component and a first fixing component, a second positioning component and a second fixing component, wherein the first positioning component includes a limit frame (2) fixedly connected to the operating table (1), the right outer wall of the limit frame (2) is fixedly connected to a motor 1 (3), the output end of the motor 1 (3) is fixedly connected to a threaded rod (4), the left end of the threaded rod (4) extends to the left inner wall of the limit frame (2) and is rotatably connected to the limit frame (2), the threaded rod (4) is threadedly connected to an internal thread block 1 (5), the internal thread block 1 (5) is slidably connected to the inner wall of the limit frame (2), the top of the internal thread block 1 (5) is fixedly connected to two limit plates (6), and a longitudinal beam (7) is provided between the two limit plates (6); the first fixing component includes a nut (8) fixedly connected to the right limit plate (6), the inner wall of the nut (8) is threadedly connected to a fixing bolt (9), and the left end of the fixing bolt (9) extends to the right side of the longitudinal beam (7); The second positioning assembly includes two support plates (10) fixedly connected to the bottom of the limit frame (2), the bottoms of the two support plates (10) are fixedly connected to motors (11), the output ends of the two motors (11) are fixedly connected to bidirectional threaded rods (12), a plurality of limit slots (13) are provided on the operating table (1), the two bidirectional threaded rods (12) are threadedly connected to two internal thread blocks (14), and the tops of the two corresponding internal thread blocks (14) are provided with crossbeams (15); The second fixing assembly includes support plates (16) fixedly connected to a side of the plurality of internal thread blocks (14) away from the limit frame (2), the tops of the plurality of support plates (16) are fixedly connected to hydraulic cylinders (17), the output ends of the plurality of hydraulic cylinders (17) are fixedly connected to fixed plates (18), and the plurality of fixed plates (18) are in contact with the crossbeam (15).

2. A commercial vehicle floor frame tailor-welding device according to claim 1, characterized in that: The bottom of the operating table (1) is rotatably connected to a two-way threaded rod (19), the front end of the two-way threaded rod (12) on the right side is fixedly connected to a pulley (20), the front end of the two-way threaded rod (19) is fixedly connected to a pulley (21), and a belt (22) is sleeved between the pulley (20) and the pulley (21); a cleaning collection mechanism is provided on the operating table (1), the cleaning collection mechanism includes a cleaning assembly, the cleaning assembly includes two cleaning plates (23) threadedly connected to the two-way threaded rod (19), the tops of the two cleaning plates (23) both extend to the top of the operating table (1), the operating table (1) is provided with two limiting grooves (24), the two cleaning plates (23) are both slidably connected to the inner walls of the corresponding limiting grooves (24), and the operating table (1) is provided with two waste discharge grooves (25), the two waste discharge grooves (25) are both located between the limiting frame (2) and the corresponding limiting grooves (24).

3. The commercial vehicle floor frame tailor-welding device according to claim 2, characterized in that: The collecting mechanism comprises a supporting frame (26) fixedly connected to the top of the operating table (1), an exhaust fan (27) fixedly connected to the supporting frame (26), an input end of the exhaust fan (27) extending to the bottom of the supporting frame (26), an air suction hood (28) fixedly connected to the input end of the exhaust fan (27), an exhaust pipe (29) fixedly connected to the output end of the exhaust fan (27), and a collecting box (30) fixedly connected to one end of the exhaust pipe (29) away from the exhaust fan (27).

4. The commercial vehicle floor frame tailor-welding device according to claim 3, characterized in that: A filter assembly is provided inside the collection box (30), the filter assembly comprising a filter screen (31) slidably connected to the inner wall of the collection box (30), an activated carbon plate (32) is slidably connected to the inner wall of the collection box (30), and the filter screen (31) is located above the activated carbon plate (32).

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