Trailer girder splicing device

Abstract

The trailer girder splicing device comprises a splicing table, a conveying platform, an automatic wing plate feeding mechanism, a front end positioning mechanism, an upper wing plate online profiling mechanism, a lower wing plate middle section online profiling mechanism and a lower wing plate front end online profiling mechanism. The automatic wing plate feeding mechanism is arranged above the splicing table and used for feeding an upper wing plate and a lower wing plate to the splicing table. The front end positioning mechanism is arranged on the front side of the assembling table and used for positioning the front ends of the upper wing plate, the lower wing plate and the web plate. The upper wing plate online profiling mechanism is mounted on the assembly table and used for profiling an upper wing plate; the lower wing plate middle section online profiling mechanism is arranged in the middle of one side of the splicing table and used for profiling the lower wing plate middle section; the lower wing plate front end online profiling mechanism is installed at the front end of the assembling table and used for conducting profiling on the front end of the lower wing plate. The device integrates the functions of wing plate on-line profiling, wing plate automatic feeding and wing plate and web plate positioning, saves time and labor, and can improve the assembly efficiency and quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to trailer girder production technical field, and specifically speaking, relate to a trailer girder assembling device. BACKGROUND

[0002] The trailer girder is an important load-bearing component of the trailer frame, and is composed of an upper wing plate, a web plate and a lower wing plate.

[0003] At present, the assembling mode of the trailer girder is that the upper wing plate and the lower wing plate are pressed after being profiled on a press, and then are matched with the web plate. Among them, the upper wing plate and the lower wing plate need to be marked, and then are profiled on the press, which is complex in steps, and when matched, the upper wing plate and the lower wing plate are manually fed, which is time-consuming and laborious, and affects the matching efficiency and quality.

[0004] In order to solve the above problems, people have been seeking an ideal technical solution. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at the shortage of prior art, and provides a trailer girder assembling device, which is used for matching the trailer girder, integrates the functions of wing plate online profiling, wing plate automatic feeding and wing plate and web plate positioning, saves time and labor, and can improve the matching efficiency and quality.

[0006] In order to achieve the above purpose, the utility model adopts the technical scheme that a trailer girder assembling device comprises an assembling table, the length direction of the assembling table is the front-rear direction, a plurality of welding jigs for clamping the girder are arranged on the assembling table at intervals in the front-rear direction, and the assembling table further comprises a transmission platform, a wing plate automatic feeding mechanism, a front end positioning mechanism, an upper wing plate online profiling mechanism, a lower wing plate middle section online profiling mechanism and a lower wing plate front end online profiling mechanism.

[0007] The transmission platform is arranged on one side of the assembling table along the front-rear direction, and is used for transmitting the web plate to the assembling table position;

[0008] The wing plate automatic feeding mechanism is arranged above the assembling table, and is used for feeding the upper wing plate and the lower wing plate to the assembling table;

[0009] The front end positioning mechanism is arranged on the front side of the assembling table, and is used for positioning the front end of the upper wing plate, the lower wing plate and the web plate;

[0010] The upper wing plate online profiling mechanism is installed on the assembling table, and is used for profiling the upper wing plate;

[0011] The lower wing plate middle section online profiling mechanism is arranged at the middle part of one side of the assembling table, and is used for profiling the middle section of the lower wing plate;

[0012] The lower wing plate front end online profiling mechanism is installed on the front end part of the assembling table, and is used for profiling the front end of the lower wing plate.

[0013] Based on the above, the wing plate automatic feeding mechanism comprises a magnetic crane arranged above the assembling table and a wing plate storage rack arranged at one side of the assembling table, the magnetic crane is used for hoisting the upper wing plate and the lower wing plate from the wing plate storage rack to the assembling table, and the wing plate storage rack is used for storing the wing plate.

[0014] Based on the above, the front end positioning mechanism comprises a front and rear moving frame, an upper wing plate positioning block, a web plate positioning block and a lower wing plate positioning block, the front and rear moving frame is arranged at the front side of the assembling table, the upper wing plate positioning block, the web plate positioning block and the lower wing plate positioning block are arranged at intervals in the left and right directions and are respectively installed on the front and rear moving frame through a set of front and rear adjusting components, the front and rear moving frame drives the upper wing plate positioning block, the web plate positioning block and the lower wing plate positioning block to move synchronously forward and backward, so that the upper wing plate positioning block, the web plate positioning block and the lower wing plate positioning block are close to or away from the assembling table.

[0015] Based on the above, the upper wing plate online profiling mechanism comprises a profiling goose neck mold, a rotating block, an upper wing plate profiling block and a first profiling oil cylinder, the profiling goose neck mold is fixed on the upper surface of the assembling table, the rotating block is vertically rotatably installed on the assembling table and located at the side of the goose neck surface facing the profiling goose neck mold, the upper wing plate profiling block is fixed on the upper surface of the rotating block, and the two ends of the first profiling oil cylinder are respectively hinged to the assembling table and the rotating block through pin shafts, the first profiling oil cylinder drives the rotating block to rotate, so that the rotating block drives the upper wing plate profiling block to rotate towards the goose neck surface of the profiling goose neck mold to realize profiling of the upper wing plate.

[0016] Based on the above, a plurality of lower wing plate middle section online profiling mechanisms are arranged at intervals in the front and rear directions; the lower wing plate middle section online profiling mechanism comprises a fixed frame, a first movable frame, a longitudinal oil cylinder, a second profiling oil cylinder and a profiling wheel, the fixed frame is fixedly arranged at a middle position on one side of the assembling table, a first linear guide rail is arranged on the fixed frame in the front and rear directions, the first movable frame is slidingly installed on the first linear guide rail, the longitudinal oil cylinder is fixed on the fixed frame in the front and rear directions, the piston rod end of the longitudinal oil cylinder is connected with the first movable frame and drives the first movable frame to move forward and backward, the second profiling oil cylinder is fixed on the first movable frame in the left and right directions, the piston rod of the second profiling oil cylinder extends towards the other side of the assembling table, the profiling wheel is installed on the piston rod end of the second profiling oil cylinder, and the central shaft of the profiling wheel is vertically arranged.

[0017] Based on the above, the front end of the lower wing plate line pressing mechanism includes a movable pressing block, two sliding blocks and two second linear guides. The movable pressing block has two front and rear spaced and vertically penetrating pin holes, at least one of which is oval. A rotating shaft is arranged in each of the two pin holes. The movable pressing block is hingedly connected to the two sliding blocks through the two rotating shafts. The two second linear guides are installed in the front end of the assembling table in the left-right direction. The two sliding blocks are slidingly installed on the two second linear guides. The two sliding blocks are hingedly connected to the assembling table through a third pressing oil cylinder arranged in the left-right direction. The two third pressing oil cylinders drive the two sliding blocks to move left and right.

[0018] Based on the above, the front and rear moving frame includes a base frame, a second movable frame and a driving cylinder. The base frame has a third linear guide arranged in the front and rear direction. The second movable frame is slidingly installed on the third linear guide. The driving cylinder is fixed to the lower side of the base frame in the front and rear direction. The piston rod end of the driving cylinder is connected to the movable frame and drives the movable frame to move forward and backward. The three front and rear adjusting assemblies are installed on the movable frame in the left-right direction.

[0019] The front and rear adjusting assembly includes a positioning sleeve and an extension rod. The positioning sleeve is fixed to the second movable frame with its center line arranged in the front and rear direction. The outer cylinder of the extension rod is slidingly installed in the positioning sleeve. The outer cylinder of the extension rod has a scale positioning long rack arranged in the axial direction. The second movable frame has a locking short rack installed through a screw and engaged with the positioning long rack. The piston rod of the extension rod extends out of the rear end of the outer cylinder. The outer cylinder of the extension rod has a locking positioning member for locking or releasing the piston rod sliding in the outer cylinder.

[0020] The upper wing plate positioning block, the web positioning block and the lower wing plate positioning block are respectively fixed to the rear end of the piston rod of the three extension rods.

[0021] The trailer girder assembling method uses the trailer girder assembling device as described above to assemble the trailer girder, which specifically includes the following steps:

[0022] The upper wing plate is fed to the upper surface of the assembling table through the wing plate automatic feeding mechanism, so that the upper wing plate is attached to the side block of each assembly welding clamp, then the front end positioning mechanism is started to position the front end of the upper wing plate, after that, the upper wing plate online profiling mechanism is started to profile the upper wing plate, the web plate transmitted by the transmission platform is pulled to the upper surface of the assembling table after the upper wing plate is profiled in place, the web plate is kept horizontal, the front end of the web plate is positioned through the front end positioning mechanism, so that one side edge of the web plate is attached to the upper wing plate, then the lower wing plate is fed to the upper surface of the assembling table through the wing plate automatic feeding mechanism, so that the lower wing plate is parallel to the upper wing plate, the front end of the lower wing plate is positioned through the front end positioning mechanism, the lower wing plate is pressed tightly through the other side block of each assembly welding clamp, so that the lower wing plate is attached to the other side edge of the web plate, after that, the lower wing plate middle segment online profiling mechanism is started to profile the middle segment of the lower wing plate, so that the middle segment of the lower wing plate is attached to the other side edge arc segment of the web plate, finally, the lower wing plate front end online profiling mechanism is started to profile the front end of the lower wing plate, and the trailer girder assembling is completed.

[0023] The utility model discloses relative prior art has substantial characteristics and progress, specifically speaking, the utility model discloses the wing plate automatic feeding mechanism is set up at the upper of assembling table, can realize that the upper wing plate, lower wing plate automatic feeding to the upper surface of assembling table, reduce manual operation, save time and labor, and, through the front end positioning mechanism can position the front end of upper wing plate, lower wing plate and web plate, guarantee group and pair time, positioning is accurate, and the group and pair quality are high, through the upper wing plate online profiling mechanism, lower wing plate middle segment online profiling mechanism and lower wing plate front end online profiling mechanism can correspond respectively to the upper wing plate and lower wing plate during group and pair and press type, improve group and pair efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structure schematic diagram of trailer girder assembling device of the utility model, the angle of view is from above, and the wing plate automatic feeding mechanism is omitted.

[0025] Figure 2 It is the structure schematic diagram of trailer girder assembling device of the utility model, the angle of view is from above, and the assembling table and transmission platform are omitted.

[0026] Figure 3 It is the structure schematic diagram of wing plate automatic feeding mechanism of the utility model.

[0027] Figure 4 It is Figure 2 The local enlarged view of A in Fig.

[0028] Figure 5 It is Figure 2 The local enlarged view of B in Fig.

[0029] Figure 6 It is Figure 2 The local enlarged view of C in Fig.

[0030] In the diagram: 1. Assembly table; 2. Welding fixture; 3. Transfer platform; 4. Front-end positioning mechanism; 5. Upper wing plate online forming mechanism; 6. Lower wing plate middle section online forming mechanism; 7. Lower wing plate front end online forming mechanism; 8. Wing plate storage rack; 9. Column; 10. Cantilever frame; 11. Lifting mechanism; 12. Hanger; 13. Electro-permanent magnet; 14. Upper wing plate positioning block; 15. Web plate positioning block; 16. Lower wing plate positioning block; 17. Contouring gooseneck template; 18. Rotating block; 19. Upper wing plate forming block; 20. 21. Pressing cylinder; 22. Fixed frame; 23. First movable frame; 24. Longitudinal cylinder; 25. Second pressing cylinder; 26. Pressing roller; 27. First linear guide rail; 28. Movable pressing block; 29. ​​Slider; 30. Lower wing plate; 31. Rotating shaft; 32. Third pressing cylinder; 33. Base frame; 34. Second movable frame; 35. Drive cylinder; 36. Third linear guide rail; 37. Positioning sleeve; 38. Telescopic rod; 39. Positioning long rack; 40. Locking short rack; 41. Upper wing plate; 42. Web plate. Detailed Implementation

[0031] The technical solution of this utility model will be further described in detail below through specific embodiments.

[0032] like Figures 1-6 As shown, the trailer beam assembly device includes an assembly platform 1. With the length direction of the assembly platform 1 as the front-to-back direction, a number of welding fixtures 2 for clamping the beam are arranged at intervals on the assembly platform 1. It also includes a transmission platform 3, an automatic wing plate feeding mechanism, a front-end positioning mechanism 4, an online forming mechanism for the upper wing plate 5, an online forming mechanism for the middle section of the lower wing plate 6, and an online forming mechanism for the front end of the lower wing plate 7.

[0033] The transmission platform 3 is set on one side of the assembly table 1 in the front-to-back direction, and is used to transmit the web plate 41 to the position of the assembly table 1.

[0034] The automatic wing plate feeding mechanism is located above the assembly table 1 and is used to feed the upper wing plate 40 and the lower wing plate 29 to the assembly table 1.

[0035] The front positioning mechanism 4 is located on the front side of the assembly platform 1 and is used to position the front ends of the upper wing plate 40, the lower wing plate 29 and the web plate 41.

[0036] The upper flange online forming mechanism 5 is installed on the assembly table 1 and is used to form the upper flange 40;

[0037] The online forming mechanism 6 for the middle section of the lower flange is located in the middle of one side of the assembly table 1 and is used to form the middle section of the lower flange 29.

[0038] The online forming mechanism 7 at the front end of the lower flange is installed at the front end of the assembly table 1 and is used to form the front end of the lower flange 29.

[0039] The conveying platform 3 is a roller conveyor or a chain plate conveyor.

[0040] Specifically, the wing plate automatic feeding mechanism comprises a magnetic crane arranged above the assembling table 1 and a wing plate storage rack 8 arranged on one side of the assembling table 1, the magnetic crane is used for hoisting the upper wing plate 40 and the lower wing plate 29 from the wing plate storage rack 8 to the assembling table 1, and the wing plate storage rack 8 is used for storing wing plate raw materials. The magnetic crane mainly comprises a stand 9, a cantilever frame 10, left-right linear driving mechanisms, a lifting mechanism 11, a hanging frame 12 and a plurality of electric permanent magnets 13.

[0041] Specifically, the front end positioning mechanism 4 comprises a front and rear moving frame, an upper wing plate positioning block 14, a web plate positioning block 15 and a lower wing plate positioning block 16, the front and rear moving frame is arranged on the front side of the assembling table 1, the upper wing plate positioning block 14, the web plate positioning block 15 and the lower wing plate positioning block 16 are arranged at intervals left and right and are respectively installed on the front and rear moving frame through a set of front and rear adjusting assemblies, the front and rear moving frame drives the upper wing plate positioning block 14, the web plate positioning block 15 and the lower wing plate positioning block 16 to move synchronously forward and backward, so that the upper wing plate positioning block 14, the web plate positioning block 15 and the lower wing plate positioning block 16 are close to or away from the assembling table 1. The front and rear positions of the upper wing plate positioning block 14, the web plate positioning block 15 and the lower wing plate positioning block 16 can be adjusted respectively through the front and rear adjusting assemblies, so as to ensure the positioning of upper wing plates 40, lower wing plates 29 and web plates 41 of different sizes in a limited space, ensure the accurate assembly of the upper wing plates 40, the lower wing plates 29 and the web plates 41, and improve the assembly quality.

[0042] Specifically, the upper wing plate online profiling mechanism 5 comprises a profiling goose neck die 17, a rotating block 18, an upper wing plate profiling block 19 and a first profiling oil cylinder 20, the profiling goose neck die 17 is fixed on the upper surface of the assembling table 1, the rotating block 18 is rotatably installed on the assembling table 1 through a vertical shaft and is located on the side of the goose neck surface facing the profiling goose neck die 17, the upper wing plate profiling block 19 is fixed on the upper surface of the rotating block 18, and the two ends of the first profiling oil cylinder 20 are respectively hinged to the assembling table 1 and the rotating block 18 through pin shafts, the first profiling oil cylinder 20 drives the rotating block 18 to rotate, so that the rotating block 18 drives the upper wing plate profiling block 19 to rotate towards the goose neck surface of the profiling goose neck die 17 to realize the profiling of the upper wing plate 40. When the upper wing plate 40 is profiled, the rotating block 18 is driven to rotate by the first profiling oil cylinder 20, the rotating block 18 drives the upper wing plate profiling block 19 to rotate to press the upper wing plate 40 towards the goose neck surface of the profiling goose neck die 17, so that the upper wing plate 40 is profiled by adhering to the goose neck surface of the profiling goose neck die 17.

[0043] Specifically, two are arranged in the middle section of the lower wing plate in front of and behind the line pressing mechanism 6; the line pressing mechanism 6 in the middle section of the lower wing plate comprises a fixed frame 21, a first movable frame 22, a longitudinal oil cylinder 23, a second pressing oil cylinder 24 and a pressing wheel 25, the fixed frame 21 is fixedly arranged at a position close to the middle of the assembling table 1, a first linear guide rail 26 is arranged on the fixed frame 21 in the front-rear direction, the first movable frame 22 is slidingly installed on the first linear guide rail 26, the longitudinal oil cylinder 23 is fixed on the fixed frame 21 in the front-rear direction, the piston rod end of the longitudinal oil cylinder 23 is connected with the first movable frame 22 and drives the first movable frame 22 to move forward and backward, the second pressing oil cylinder 24 is fixed on the first movable frame 22 in the left-right direction, the piston rod of the second pressing oil cylinder 24 extends toward the other side of the assembling table 1, the pressing wheel 25 is installed at the piston rod end of the second pressing oil cylinder 24, and the central shaft of the pressing wheel 25 is vertically arranged. When in use, the first movable frame 22 is driven to move forward and backward by the longitudinal oil cylinder 23, the second pressing oil cylinder 24 and the pressing wheel 25 are driven to move together by the first movable frame 22, and the pressing wheel 25 is pressed against the lower wing plate 29 by the extension and contraction of the second pressing oil cylinder 24, so that the lower wing plate 29 is pressed and completely adheres to the web plate 41.

[0044] Specifically, the front end of the line pressing mechanism 7 in the lower wing plate comprises a movable pressing block 27, two sliding blocks 28 and two second linear guide rails, the movable pressing block 27 is provided with two front-rear spaced and upper-lower through pin holes, at least one of which is elliptical, a rotating shaft 30 is arranged in each of the two pin holes, the movable pressing block 27 is hingedly connected with the two sliding blocks 28 through the two rotating shafts 30 respectively, the two second linear guide rails are installed at the front end of the assembling table 1 in the front-rear direction, the two sliding blocks 28 are slidingly installed on the two second linear guide rails respectively, a third pressing oil cylinder 31 arranged in the left-right direction is hingedly connected between each of the two sliding blocks 28 and the assembling table 1, and the two third pressing oil cylinders 31 drive the two sliding blocks 28 to move left and right respectively. When in use, the two third pressing oil cylinders 31 are controlled to act respectively, so that the movable pressing block 27 can be inclined at a proper angle to adhere the front end of the lower wing plate 29 to the front end of the web plate 41, and the front end of the lower wing plate 29 is pressed.

[0045] Specifically, the front-rear moving frame comprises a base frame 32, a second movable frame 33 and a drive cylinder 34, the base frame 32 is provided with a third linear guide rail 35 in the front-rear direction, the second movable frame 33 is slidingly installed on the third linear guide rail 35, the drive cylinder 34 is fixed to the lower side of the base frame 32 in the front-rear direction, the piston rod end of the drive cylinder 34 is connected with the movable frame and drives the movable frame to move forward and backward, and three front-rear adjusting assemblies are installed on the movable frame in the left-right direction;

[0046] The front-back adjusting assembly comprises a positioning sleeve 36 fixed on the second movable frame 33 and having a center line arranged in the front-back direction, and a telescopic rod 37, an outer cylinder of which is coaxially arranged in the positioning sleeve 36, a scale-marked positioning long rack 38 is arranged on the outer cylinder of the telescopic rod 37 in the axial direction, a locking short rack 39 engaged with the positioning long rack 38 is movably arranged on the second movable frame 33 by means of screws, a piston rod of the telescopic rod 37 extends out of the rear end of the outer cylinder of the telescopic rod 37, and a locking positioning member is arranged on the outer cylinder of the telescopic rod 37, which is used for locking or releasing the piston rod sliding in the outer cylinder of the telescopic rod 37; the locking positioning member is a locking bolt arranged on the outer cylinder of the telescopic rod 37 or a bolt arranged on the outer cylinder of the telescopic rod 37 and a plurality of positioning holes arranged on the piston rod of the telescopic rod 37.

[0047] The upper wing plate positioning block 14, the web plate positioning block 15 and the lower wing plate positioning block 16 are respectively fixed on the rear ends of the piston rods of the three telescopic rods 37. In use, according to the sizes of the upper wing plate 40, the lower wing plate 29 and the web plate 41, the positions of the three telescopic rods 37 relative to the respective positioning sleeves 36 and the lengths of the three telescopic rods 37 are adjusted, so as to adjust the front-back positions of the upper wing plate positioning block 14, the web plate positioning block 15 and the lower wing plate positioning block 16.

[0048] The embodiment also provides a trailer girder assembling method, which adopts the trailer girder assembling device as described above to assemble the trailer girder, and specifically comprises the following steps:

[0049] The upper wing plate 40 is fed onto the assembling table 1 by the wing plate automatic feeding mechanism, so that the upper wing plate 40 is attached to one side of each of the tailor-welding clamps 2, then the front-end positioning mechanism 4 is started to position the front end of the upper wing plate 40, and then the upper wing plate online profiling mechanism 5 is started to profile the upper wing plate 40, after the upper wing plate 40 is profiled in place, the web plate 41 transmitted by the transmission platform 3 is pulled onto the assembling table 1, the web plate 41 is kept horizontal, the front end of the web plate 41 is positioned by the front-end positioning mechanism 4, so that one side edge of the web plate 41 is attached to the upper wing plate 40, then the lower wing plate 29 is fed onto the assembling table 1 by the wing plate automatic feeding mechanism, so that the lower wing plate 29 is parallel to the upper wing plate 40, the front end of the lower wing plate 29 is positioned by the front-end positioning mechanism 4, and the other side of the lower wing plate 29 is pressed by the other side of each of the tailor-welding clamps 2, so that the lower wing plate 29 is attached to the other side edge of the web plate 41, then the lower wing plate middle-section online profiling mechanism 6 is started to profile the middle section of the lower wing plate 29, so that the middle section of the lower wing plate 29 is attached to the other side edge arc section of the web plate 41, and finally, the lower wing plate front-end online profiling mechanism 7 is started to profile the front end of the lower wing plate 29, thereby completing the assembling of the trailer girder.

[0050] The utility model discloses a wing board automatic feeding mechanism is provided on the top of the assembling table 1, can realize the automatic feeding of upper wing board 40, lower wing board 29 to the top of assembling table 1, reduces manual operation, saves time and labour, and, through the front end positioning mechanism 4, the front end of upper wing board 40, lower wing board 29 and web plate 41 can be positioned, when guaranteeing group, positioning is accurate, and the quality of group is high, through the upper wing board online pressure type mechanism 5, lower wing board middle section online pressure type mechanism 6 and lower wing board front end online pressure type mechanism 7, upper wing board 40 and lower wing board 29 can be pressed in the group process respectively, and the group efficiency is improved.

[0051] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the utility model, but not to limit them; although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the specific embodiments of the utility model can still be modified or some technical features can be replaced by equivalents; without departing from the spirit of the technical solutions of the utility model, they should be covered in the technical solution range of the utility model claimed.

Claims

1. A trailer girder assembling device, comprising an assembling table, taking the length direction of the assembling table as the front-rear direction, and a plurality of tailor-welded fixtures for clamping the girders are arranged on the assembling table at intervals in the front-rear direction, characterized in that: The transmission platform, the wing plate automatic feeding mechanism, the front end positioning mechanism, the upper wing plate online profiling mechanism, the lower wing plate middle section online profiling mechanism and the lower wing plate front end online profiling mechanism are further included. The transmission platform is arranged on one side of the assembling table in the front-rear direction and is used for transmitting the web plate to the assembling table position. The wing plate automatic feeding mechanism is arranged above the assembling table and is used for feeding the upper wing plate and the lower wing plate to the assembling table. The front end positioning mechanism is arranged on the front side of the assembling table and is used for positioning the front end of the upper wing plate, the lower wing plate and the web plate. The upper wing plate online profiling mechanism is installed on the assembling table and is used for profiling the upper wing plate. The lower wing plate middle section online profiling mechanism is arranged on one side of the assembling table in the middle section and is used for profiling the lower wing plate middle section. The lower wing plate front end online profiling mechanism is installed on the front end of the assembling table and is used for profiling the lower wing plate front end.

2. The trailer crossmember assembly apparatus of claim 1, wherein: The wing plate automatic feeding mechanism includes a magnetic crane arranged above the assembling table and a wing plate storage rack arranged on one side of the assembling table, the magnetic crane is used for hoisting the upper wing plate and the lower wing plate from the wing plate storage rack to the assembling table, and the wing plate storage rack is used for storing the wing plate incoming material.

3. The trailer crossmember assembly apparatus of claim 1, wherein: The front end positioning mechanism includes a front-rear moving frame, an upper wing plate positioning block, a web plate positioning block and a lower wing plate positioning block, the front-rear moving frame is arranged on the front side of the assembling table, the upper wing plate positioning block, the web plate positioning block and the lower wing plate positioning block are arranged at intervals in the left-right direction and are respectively installed on the front-rear moving frame through a set of front-rear adjusting assemblies, and the front-rear moving frame drives the upper wing plate positioning block, the web plate positioning block and the lower wing plate positioning block to move synchronously in the front-rear direction, so that the upper wing plate positioning block, the web plate positioning block and the lower wing plate positioning block are close to or away from the assembling table.

4. The trailer crossmember assembly apparatus of claim 1, wherein: The upper wing plate online profiling mechanism includes a profiling goose neck die, a rotating block, an upper wing plate profiling block and a first profiling oil cylinder, the profiling goose neck die is fixed on the upper surface of the assembling table, the rotating block is rotatably installed on the assembling table through a vertical shaft and is located on the side of the goose neck surface facing the profiling goose neck die, the upper wing plate profiling block is fixed on the upper surface of the rotating block, and the two ends of the first profiling oil cylinder are respectively hinged to the assembling table and the rotating block through pin shafts, the first profiling oil cylinder drives the rotating block to rotate, the rotating block drives the upper wing plate profiling block to rotate towards the goose neck surface of the profiling goose neck die to realize the profiling of the upper wing plate.

5. The trailer crossmember assembly apparatus of claim 1, wherein: The lower wing plate middle section online profiling mechanism is arranged at intervals in the front-rear direction; the lower wing plate middle section online profiling mechanism includes a fixed frame, a first movable frame, a longitudinal oil cylinder, a second profiling oil cylinder and a profiling wheel, the fixed frame is fixedly arranged at a middle position on one side of the assembling table, a first linear guide rail is arranged on the fixed frame in the front-rear direction, the first movable frame is slidably installed on the first linear guide rail, the longitudinal oil cylinder is fixed on the fixed frame in the front-rear direction, the piston rod end of the longitudinal oil cylinder is connected with the first movable frame and drives the first movable frame to move in the front-rear direction, the second profiling oil cylinder is fixed on the first movable frame in the left-right direction, the piston rod of the second profiling oil cylinder extends towards the other side of the assembling table, the profiling wheel is installed on the piston rod end of the second profiling oil cylinder, and the central shaft of the profiling wheel is vertically arranged.

6. The trailer crossmember assembly apparatus of claim 1, wherein: The front end of the lower wing plate line pressing mechanism comprises a movable pressing block, two sliding blocks and two second linear guides. The movable pressing block is provided with two front and rear spaced and upper and lower through pin holes, at least one of which is elliptical. A rotating shaft is arranged in each of the two pin holes. The movable pressing block is hingedly connected to the two sliding blocks through the two rotating shafts. The two second linear guides are installed in the front end of the assembling table in front and rear direction. The two sliding blocks are slidingly installed on the two second linear guides. A third pressing oil cylinder is hingedly connected between each of the two sliding blocks and the assembling table in left and right direction. The two third pressing oil cylinders drive the two sliding blocks to move left and right.

7. The trailer crossmember assembly apparatus of claim 3, wherein: The front and rear moving frame comprises a base frame, a second movable frame and a driving cylinder. The base frame is provided with a third linear guide in front and rear direction. The second movable frame is slidingly installed on the third linear guide. The driving cylinder is fixed to the lower side of the base frame in front and rear direction. The piston rod end of the driving cylinder is connected to the movable frame and drives the movable frame to move forward and backward. Three front and rear adjusting assemblies are installed on the movable frame in left and right direction. The front and rear adjusting assembly comprises a positioning sleeve and an extension rod. The positioning sleeve is fixed to the second movable frame with its center line arranged in front and rear direction. The outer cylinder of the extension rod is slidingly installed in the positioning sleeve. The outer cylinder of the extension rod is provided with a scale positioning long rack in axial direction. A locking short rack is screwingly installed on the second movable frame and engaged with the positioning long rack. The piston rod of the extension rod extends out of the rear end of the outer cylinder. The outer cylinder of the extension rod is provided with a locking positioning member. The locking positioning member is used to lock or release the piston rod sliding in the outer cylinder of the extension rod. The upper wing plate positioning block, the web positioning block and the lower wing plate positioning block are respectively fixed to the rear end of the piston rod of the three extension rods.

Images