Combined machining device for door carrying frame

Abstract

The invention discloses a combined machining device for a door carrying frame, and relates to the technical field of combined machining of door carrying frames, the combined machining device comprises a machine table, a first perforating machine, a second perforating machine, a second frame plate pushing mechanism, a first frame plate pushing mechanism, a second frame plate pushing mechanism, a second frame plate pushing mechanism, a first perforating machine, a second perforating machine, a third frame plate pushing mechanism, a third frame plate pushing mechanism and a third frame plate pushing mechanism, the first frame plate pushing mechanism is arranged above the material moving groove; the fixing frame is fixed to the upper end of the machine table, and the fixing frame is located on one side of the rotating groove; the punching mechanism is arranged on the fixing frame, and the first punching machine and the second punching machine are both installed on the punching mechanism; and the first frame plate assembling mechanism is arranged on the fixing frame. Multiple key procedures such as positioning, punching, assembling and welding of the door carrying frame assembly are completed on one device, and the combined machining efficiency of the door carrying frame can be greatly improved.

Description

Technical Field

[0001] This invention relates to the field of gantry assembly processing technology, and more particularly to a gantry assembly processing device. Background Technology

[0002] The gantry is a key component in the door system of rail transit vehicles (such as high-speed trains, EMUs, and subways), primarily used to support the doors and enable their opening and closing. One end connects to the door, while the other end is slidably mounted on the car body's load-bearing crossbeam via a slide rail or pulley system. It transmits power from the door mechanism to the door, allowing it to open and close smoothly. In the manufacturing process of the gantry, the welding process is extremely critical, as its quality directly affects the overall performance and service life of the gantry.

[0003] In the traditional production model, the processing of gantry frames was dispersed across multiple independent workstations. First, the various components of the gantry frame were initially positioned at the positioning station. This step required manual operation by workers. The positioning of the first connecting plate, the second connecting plate, and the rectangular columns of the gantry frame primarily relied on manual placement, depending on experience and dimensional control to ensure accuracy. This process was not only time-consuming but also highly susceptible to human error. Furthermore, the distance between different workstations and the handling and clamping processes during component transfer resulted in lengthy transfer times between processes, significantly reducing overall production efficiency.

[0004] Furthermore, traditional production equipment typically operates independently, resulting in poor coordination between workstations. After one workstation completes its current operation, it must wait for other workstations to finish before proceeding to the next step, causing equipment to frequently remain in a waiting state and leading to an unreasonable production cycle. Because traditional processing methods require distributing various processes across multiple workstations, they also require a significant amount of production space. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a combined processing device with a gantry.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A combined processing device with a gantry includes a machine base, a first drilling machine, and a second drilling machine. The upper end of the machine base is provided with an interconnected rotating trough and a material transfer trough. It also includes: The second plate pushing mechanism is located inside the transfer trough; The first plate pushing mechanism is located above the transfer trough; A fixing frame is fixed to the upper end of the machine base, and the fixing frame is located on one side of the rotating groove; A drilling mechanism is mounted on the fixed frame, and both the first drilling machine and the second drilling machine are mounted on the drilling mechanism. The first plate assembly mechanism is mounted on the fixed frame; A turntable is disposed inside the turntable slot. Two rectangular column positioning mechanisms are arranged opposite each other at the upper end of the turntable. Two receiving slots are provided at the upper end of the turntable, and the two receiving slots are respectively located below the two rectangular column positioning mechanisms. A workstation conversion mechanism is installed on the machine platform and connected to the turntable; The welding mechanism is mounted on the fixed frame.

[0007] As a further improvement of the present invention, the second rack pushing mechanism includes a second push plate disposed inside the transfer trough, and a fifth hydraulic cylinder is installed on the side wall of the machine base, the telescopic end of the fifth hydraulic cylinder passing through the machine base and fixedly connected to the second push plate.

[0008] As a further improvement of the present invention, the first rack pushing mechanism includes a placement frame fixed on the upper end of the machine platform. The placement frame is located above the transfer groove. The upper end of the placement frame is provided with a placement groove. The interior of the placement groove is provided with a first push plate. A fourth hydraulic cylinder is installed on the side wall of the placement frame. The telescopic end of the fourth hydraulic cylinder passes through the placement frame and is fixedly connected to the first push plate.

[0009] As a further improvement of the present invention, the punching mechanism includes a first hydraulic cylinder mounted on the top of the fixed frame. The telescopic end of the first hydraulic cylinder penetrates downward through the fixed frame and is fixedly connected to a device plate. Two first guide rods are fixed to the upper end of the device plate. The two first guide rods are symmetrically arranged on both sides of the first hydraulic cylinder. The first guide rods penetrate the top of the fixed frame and are slidably connected to the fixed frame. The first punch and the second punch are both mounted on the side wall of the device plate. The first punch and the second punch are arranged vertically, with the first punch located above the placement frame and the second punch... The hole punch is located above the transfer trough. A moving groove is provided on the side wall of the device plate. A moving block is provided inside the moving groove. A limiting rod that is vertically connected to the moving block is provided through the moving block. Both ends of the limiting rod are fixed to the inner wall of the moving groove. A spring is sleeved on the limiting rod above the moving block. One end of the spring is fixed to the moving block, and the other end of the spring is fixed to the inner wall of the moving groove. A first baffle and a second baffle are fixed on the side wall of the moving block. The first baffle is located above the placement groove, and the second baffle is located above the transfer trough.

[0010] As a further improvement of the present invention, the first rack assembly mechanism includes an electric linear guide rail installed on the inner top wall of the fixed frame. The electric linear guide rail is provided with a guide rail seat. A third hydraulic cylinder is installed at the lower end of the guide rail seat. The telescopic end of the third hydraulic cylinder faces downward and is fixed with a second L-shaped plate. An electric clamp is rotatably installed on the side wall of the second L-shaped plate. A second reversing motor is installed on the side wall of the second L-shaped plate. The output shaft of the second reversing motor passes through the second L-shaped plate and is fixedly connected to the electric clamp.

[0011] As a further improvement of the present invention, the rectangular column positioning mechanism includes a first L-shaped plate fixed to the upper end of the turntable, a fixing plate fixed to the side wall of the first L-shaped plate, an insertion groove provided at the end of the first L-shaped plate, a movable block slidably inserted into the insertion groove, a tension spring provided inside the insertion groove, one end of the tension spring fixed to the movable block, the other end of the tension spring fixed to the inner wall of the insertion groove, a clamping plate fixed to the end of the movable block away from the first L-shaped plate, a positioning hole provided on the side wall of the clamping plate near the movable block, and a pull ring fixed to the end of the clamping plate away from the movable block.

[0012] As a further improvement of the present invention, the workstation conversion mechanism includes a rotating column that passes through the bottom wall of the rotating groove. The rotating column is rotatably connected to the turntable. A first reversing motor is installed at the lower end of the machine platform, and the output shaft of the first reversing motor is fixed at the lower end of the rotating column.

[0013] As a further improvement of the present invention, the welding mechanism includes a second hydraulic cylinder mounted on the side wall of the fixed frame. The telescopic end of the second hydraulic cylinder passes through the fixed frame and is fixed with a connecting plate. Two second guide rods are fixed on the side wall of the connecting plate. The two second guide rods are symmetrically arranged on both sides of the second hydraulic cylinder. The second guide rods pass through the fixed frame and are slidably connected to the fixed frame. Two welding structures are provided on the side wall of the connecting plate, arranged vertically. The welding structure includes a first U-shaped frame fixed on the side wall of the connecting plate. A first welding gun is installed on the inner walls of the opposite sides of the first U-shaped frame. An electric telescopic rod is installed on the side wall of the first U-shaped frame. A connecting block is fixed to the telescopic end of the electric telescopic rod. A second U-shaped frame is fixed on the side wall of the connecting block. A second welding gun is installed on the inner walls of the opposite sides of the second U-shaped frame.

[0014] As a further improvement of the present invention, support legs are provided at the four corners of the lower end of the machine base.

[0015] The beneficial effects of this invention are: By integrating a drilling mechanism, a first-plate assembly mechanism, and a welding mechanism, multiple key processes such as positioning, drilling, assembly, and welding of the gantry assembly are completed on a single machine. This modular design centralizes the processing process that originally required multiple workstations, enabling automatic gripping, movement, and assembly of components. This greatly reduces the transfer time and manual intervention between processes. Compared with traditional manual assembly methods, it can significantly improve the assembly efficiency of the gantry and reduce the need for assembly workers.

[0016] By setting up a turntable and workstation switching mechanism, precise rotation can be achieved at each degree, allowing the two rectangular column positioning mechanisms to alternately perform loading, unloading, processing, and assembly operations. This design allows one workstation to clamp parts or unload finished products simultaneously while welding is being performed at another workstation, forming a continuous production flow. This effectively reduces equipment waiting time, optimizes production cycle time, and achieves higher production efficiency within a limited space, making it particularly suitable for mass production. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a combined processing device with a gantry frame proposed in this invention; Figure 2 This is a schematic diagram of the turntable and workstation conversion mechanism of a combined processing device with a gantry frame proposed in this invention. Figure 3 This is a schematic diagram of the rectangular column positioning mechanism of a combined processing device with a gantry frame proposed in this invention; Figure 4 This is a schematic diagram of the movable block, pull ring, clamping plate, positioning hole, and tension spring of a combined processing device with a gantry frame proposed in this invention. Figure 5 This is a schematic diagram of the welding mechanism of a combined processing device with a gantry frame proposed in this invention; Figure 6 This is a schematic diagram of the first plate assembly mechanism of a combined processing device with a gantry frame proposed in this invention; Figure 7 This is a schematic diagram of the first plate pushing mechanism and the unperforated first plate of a combined processing device with a gantry frame proposed in this invention. Figure 8 This is a schematic diagram of the second shelf pushing mechanism and the unperforated second shelf of a combined processing device with a gantry frame proposed in this invention. Figure 9 This is a schematic diagram of the first punching machine, the second punching machine, and the punching mechanism of a combined processing device with a gantry frame proposed in this invention. Figure 10 This is a schematic diagram of the completed gantry structure proposed in this invention.

[0018] In the diagram: 1. Machine base; 2. Support leg; 3. Rotary trough; 4. Turntable; 5. Receiving trough; 6. Fixing frame; 7. First hydraulic cylinder; 8. Placement frame; 9. Transfer trough; 10. First L-shaped plate; 11. First reversing motor; 12. Rotating column; 13. Fixing plate; 14. Clamping plate; 15. Pull ring; 16. Movable block; 17. Tension spring; 18. Positioning hole; 19. Second hydraulic cylinder; 20. First guide rod; 21. Connecting plate; 22. First U-shaped frame; 23. First welding torch; 24. Second U-shaped frame; 25. Second welding torch; 26. Connecting block; 27. Electric telescopic rod; 2 8. Electric linear guide rail, 29. Guide rail seat, 30. Third hydraulic cylinder, 31. Second L-shaped plate, 32. Second reversing motor, 33. Electric clamp, 34. Placement slot, 35. Fourth hydraulic cylinder, 36. First push plate, 37. Fifth hydraulic cylinder, 38. Second push plate, 39. Second guide rod, 40. Device plate, 41. First punching machine, 42. Second punching machine, 43. Moving slot, 44. Limiting rod, 45. Spring, 46. Moving block, 47. First baffle, 48. Second baffle, 49. First support plate, 50. Rectangular column, 51. Second support plate. Detailed Implementation

[0019] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0020] Figures 1-10 A combined processing device with a gantry frame includes a machine base 1, a first drilling machine 41, and a second drilling machine 42. Support legs 2 are provided at the four corners of the lower end of the machine base 1. The upper end of the machine base 1 is provided with interconnected rotating grooves 3 and material transfer grooves 9. It also includes: See Figure 8 The second plate pushing mechanism is located inside the transfer trough 9. The second plate pushing mechanism includes a second push plate 38 located inside the transfer trough 9. A fifth hydraulic cylinder 37 is installed on the side wall of the machine base 1. The telescopic end of the fifth hydraulic cylinder 37 passes through the machine base 1 and is fixedly connected to the second push plate 38. By activating the fifth hydraulic cylinder 37 to extend, the second push plate 38 can be driven to move inside the transfer trough 9. The second push plate 38 pushes the second plate 51 to move inside the transfer trough 9 and can push the second plate 51 into the receiving trough 5.

[0021] See Figure 7The first plate pushing mechanism is located above the transfer trough 9. The first plate pushing mechanism includes a placement frame 8 fixed to the upper end of the machine base 1. The placement frame 8 is located above the transfer trough 9. The upper end of the placement frame 8 is provided with a placement groove 34. The interior of the placement groove 34 is provided with a first push plate 36. A fourth hydraulic cylinder 35 is installed on the side wall of the placement frame 8. The telescopic end of the fourth hydraulic cylinder 35 passes through the placement frame 8 and is fixedly connected to the first push plate 36. By activating the extension of the fourth hydraulic cylinder 35, the first push plate 36 can be moved, and the first plate 49 is pushed to move inside the placement groove 34 by the first push plate 36.

[0022] The fixing frame 6 is fixed to the upper end of the machine base 1, and the fixing frame 6 is located on one side of the rotating groove 3; See Figure 9 A drilling mechanism is installed on a fixed frame 6. A first drilling machine 41 and a second drilling machine 42 are both installed on the drilling mechanism. The drilling mechanism includes a first hydraulic cylinder 7 installed on the top of the fixed frame 6. The telescopic end of the first hydraulic cylinder 7 passes through the fixed frame 6 downward and is fixedly connected to a device plate 40. Two first guide rods 20 are fixed at the upper end of the device plate 40. The two first guide rods 20 are symmetrically arranged on both sides of the first hydraulic cylinder 7. The first guide rods 20 pass through the top of the fixed frame 6 and are slidably connected to the fixed frame 6. The first drilling machine 41 and the second drilling machine 42 are both installed on the side wall of the device plate 40. The first drilling machine 41 and the second drilling machine 42 are arranged vertically, with the first drilling machine 41 located above the placement frame 8 and the second drilling machine 42 located above the transfer trough 9. The first drilling machine 41 can drill holes in the first frame plate 49, and the second drilling machine 42 can drill holes in the second frame plate 51, thereby realizing the drilling processing of the first frame plate 49 and the second frame plate 51. The device plate 40 has a movable groove 43 on its side wall. The movable groove 43 has a movable block 46 inside. A limiting rod 44 is vertically connected to the movable block 46 and is slidably connected to it. Both ends of the limiting rod 44 are fixed to the inner wall of the movable groove 43. A spring 45 is sleeved on the limiting rod 44 and located above the movable block 46. One end of the spring 45 is fixed to the movable block 46 and the other end is fixed to the inner wall of the movable groove 43. A first baffle 47 and a second baffle 48 are fixed on the side wall of the movable block 46. The first baffle 47 is located above the placement groove 34 and the second baffle 48 is located above the transfer groove 9. The first baffle 47 can block and position the first frame plate 49 inside the placement groove 34. The first push plate 36 and the first baffle 47 can clamp and fix the first frame plate 49 inside the placement groove 34. The second baffle 48 can be used to block and position the second frame plate 51 inside the transfer trough 9, and the second push plate 38 and the second baffle 48 can clamp and fix the second frame plate 51 inside the transfer trough 9.

[0023] See Figure 6The first plate assembly mechanism is mounted on the fixed frame 6. The first plate assembly mechanism includes an electric linear guide rail 28 mounted on the inner top wall of the fixed frame 6. A guide rail seat 29 is provided on the electric linear guide rail 28. A third hydraulic cylinder 30 is mounted on the lower end of the guide rail seat 29. The telescopic end of the third hydraulic cylinder 30 faces downwards and is fixed to a second L-shaped plate 31. An electric clamp 33 is rotatably mounted on the side wall of the second L-shaped plate 31. A second reversing motor 32 is mounted on the side wall of the second L-shaped plate 31. The output shaft of the second reversing motor 32 passes through the second L-shaped plate 31 and is connected to the electric clamp 33. The clamp 33 is fixedly connected and can hold the first plate 49 by means of the electric clamp 33. Then, the second reversing motor 32 is started to drive the electric clamp 33 to rotate, thereby driving the first plate 49 to rotate from a horizontal state to a vertical state. Then, the electric linear guide 28 drives the guide rail seat 29 to move, and the guide rail seat 29 drives the first plate 49 to move above the rectangular column 50. Then, the third hydraulic cylinder 30 is started to extend, driving the first plate 49 to move and fit against the upper end of the rectangular column 50, thus assembling the first plate 49 onto the upper end of the rectangular column 50.

[0024] See Figure 3 , Figure 4 A turntable 4 is located inside the turntable 3. Two rectangular column positioning mechanisms are positioned opposite each other at the upper end of the turntable 4. Two receiving slots 5 are provided at the upper end of the turntable 4 to accommodate the second support plate 51. The two receiving slots 5 are located below the two rectangular column positioning mechanisms. Each rectangular column positioning mechanism includes a first L-shaped plate 10 fixed to the upper end of the turntable 4. A fixing plate 13 is fixed to the side wall of the first L-shaped plate 10. An insertion slot is provided at the end of the first L-shaped plate 10. A movable block 16 is slidably inserted into the insertion slot. A tension spring 17 is provided inside the insertion slot. One end of the tension spring 17 is fixed to the movable block 16, and the other end of the tension spring 17 is fixed to the insertion slot. On the inner wall, a clamping plate 14 is fixed to the end of the movable block 16 away from the first L-shaped plate 10. The clamping plate 14 has a positioning hole 18 on its side wall near the movable block 16. A pull ring 15 is fixed to the end of the clamping plate 14 away from the movable block 16. The operator first pulls the pull ring 15, which moves the clamping plate 14 and the movable block 16, and stretches the tension spring 17. The operator places the rectangular column 50 between the fixed plate 13 and the clamping plate 14, and then releases the pull ring 15. Under the tension of the tension spring 17, the movable block 16 can be pulled to move. The movable block 16 drives the clamping plate 14 to clamp and fix the rectangular column 50, so that the rectangular column 50 can be clamped onto the rectangular column positioning mechanism.

[0025] See Figure 2A workstation switching mechanism is installed on the machine base 1 and connected to the turntable 4. The workstation switching mechanism includes a rotating column 12 that passes through the bottom wall of the inner side of the rotating groove 3. The rotating column 12 is rotatably connected to the turntable 4. A first reversing motor 11 is installed at the lower end of the machine base 1. The output shaft of the first reversing motor 11 is fixed at the lower end of the rotating column 12. By starting the first reversing motor 11, the rotating column 12 is driven to rotate, which in turn drives the turntable 4 to rotate. Each rotation angle of the first reversing motor 11 is 180 degrees. Thus, the turntable 4 can drive the two rectangular column positioning mechanisms to exchange positions, realizing dual-workstation operation and effectively improving work efficiency.

[0026] See Figure 5 A welding mechanism is installed on a fixed frame 6. The welding mechanism includes a second hydraulic cylinder 19 installed on the side wall of the fixed frame 6. The telescopic end of the second hydraulic cylinder 19 passes through the fixed frame 6 and is fixed with a connecting plate 21. Two second guide rods 39 are fixed on the side wall of the connecting plate 21. The two second guide rods 39 are symmetrically arranged on both sides of the second hydraulic cylinder 19. The second guide rods 39 pass through the fixed frame 6 and are slidably connected to the fixed frame 6. Two welding structures are provided on the side wall of the connecting plate 21. The welding structure includes a first U-shaped frame 22 fixed on the side wall of the connecting plate 21. A first welding gun 23 is installed on the inner wall of the opposite sides of the first U-shaped frame 22. An electric telescopic rod 27 is installed on the side wall of the first U-shaped frame 22. A connecting block 26 is fixed to the telescopic end of the electric telescopic rod 27. A second U-shaped frame 24 is fixed on the side wall of the connecting block 26. A second welding gun 25 is installed on the inner side of the opposite sides of the second U-shaped frame 24.

[0027] When using this invention, firstly, the operator clamps the rectangular column 50 to be processed onto the rectangular column positioning mechanism at the upper end of the turntable 4. Specifically, by pulling the pull ring 15 to move the clamping plate 14 and stretch the tension spring 17, the rectangular column 50 is placed between the fixed plate 13 and the clamping plate 14. Then, the pull ring 15 is released. Under the tension of the tension spring 17, the clamping plate 14 and the movable block 16 clamp and fix the rectangular column 50. The rectangular column 50 is stably clamped by the protrusion on the side wall of the rectangular column 50 being inserted into the positioning hole 18. At the same time, the first support plate 49 is placed into the placement slot 34 of the placement rack 8, and the second support plate 51 is placed into the transfer slot 9.

[0028] Subsequently, the fourth hydraulic cylinder 35 is activated to push the first push plate 36 to move within the placement slot 34, pushing the first support plate 49 towards the fixed frame 6. At the same time, the fifth hydraulic cylinder 37 is activated to push the second push plate 38 to move within the transfer slot 9, pushing the second support plate 51 towards the receiving slot 5. When the first support plate 49 and the second support plate 51 are pushed to the positions of the first baffle 47 and the second baffle 48 respectively, the first push plate 36 and the first baffle 47 clamp the first support plate 49, and the second push plate 38 and the second baffle 48 clamp the second support plate 51.

[0029] Next, the first hydraulic cylinder 7 on the fixed frame 6 is activated, pushing the device plate 40 downward. The device plate 40 drives the first drilling machine 41 and the second drilling machine 42 to move downward. The first drilling machine 41 drills holes in the first frame plate 49 which is in a horizontal state, and the second drilling machine 42 drills holes in the second frame plate 51. After the drilling is completed, the first hydraulic cylinder 7 retracts, driving the drilling mechanism to reset. Finally, the first baffle 47 releases its obstruction to the first frame plate 49, and the second baffle 48 releases its obstruction to the second frame plate 51.

[0030] Afterwards, the first plate assembly mechanism on the fixed frame 6 starts working. The electric linear guide 28 drives the guide rail seat 29 to move, which in turn moves the electric clamp 33 to the end of the first plate 49 that has been punched. Then, the fourth hydraulic cylinder 35 is activated to push out the first plate 49 that has been punched. The fifth hydraulic cylinder 37 is activated to push the second plate 51 that has been punched into the receiving groove 5, so that the second plate 51 that has been punched fits against the bottom of the rectangular column 50. The electric clamp 33 holds the first plate 49 that has been punched. Then, the electric linear guide 28 drives the guide rail seat 29 to reset and move, and removes the first plate 49 that has been punched. The second reversing motor 32 is activated, which drives the electric clamp 33 to rotate the first plate 49 from a horizontal state to a vertical state. The electric linear guide 28 then drives the guide rail seat 29 to move, and transports the first plate 49 to the top of the corresponding rectangular column 50 on the turntable 4. The third hydraulic cylinder 30 descends, so that the first plate 49 fits against the top of the rectangular column 50.

[0031] Then, the welding mechanism is activated, and the second hydraulic cylinder 19 pushes the connecting plate 21 to move towards the rectangular column 50. The second guide rod 39 on the connecting plate 21 acts as a guide. The two welding structures set up above and below work simultaneously. The first welding gun 23 on the first U-shaped frame 22 first welds one of the two sides of the connection between the first frame plate 49 and the rectangular column 50 and the connection between the second frame plate 51 and the rectangular column 50. Then, the electric telescopic rod 27 pushes the connecting block 26 and the second U-shaped frame 24 to move, so that the second welding gun 25 on the second U-shaped frame 24 welds the other two sides of the connection between the first frame plate 49 and the rectangular column 50 and the connection between the second frame plate 51 and the rectangular column 50.

[0032] After the assembly and welding of one station is completed, the first reversing motor 11 of the station conversion mechanism starts, driving the rotating column 12 to rotate 180 degrees. The rotating column 12 drives the turntable 4 to rotate, so that the two rectangular column positioning mechanisms exchange positions. The completed components are transferred to the next station for unloading or subsequent processing. At the same time, the empty station begins a new round of rectangular column 50 clamping; the first shelf 49 and the second shelf 51 are pushed, punched, assembled and welded.

[0033] The above are merely preferred embodiments of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A combined processing device with a gantry frame, comprising a machine base (1), a first drilling machine (41), and a second drilling machine (42), characterized in that, The upper end of the machine base (1) is provided with a rotating trough (3) and a material transfer trough (9) that are interconnected, and also includes: The second plate pushing mechanism is located inside the transfer groove (9); The first plate pushing mechanism is located above the transfer trough (9); A fixing frame (6) is fixed to the upper end of the machine base (1), and the fixing frame (6) is located on one side of the rotating groove (3); A punching mechanism is mounted on the fixed frame (6), and the first punch (41) and the second punch (42) are both mounted on the punching mechanism; The first plate assembly mechanism is mounted on the fixed frame (6); A turntable (4) is set inside the turntable (3). Two rectangular column positioning mechanisms are arranged opposite each other at the upper end of the turntable (4). Two receiving slots (5) are provided at the upper end of the turntable (4). The two receiving slots (5) are respectively located below the two rectangular column positioning mechanisms. A workstation conversion mechanism is installed on the machine base (1) and is connected to the turntable (4); The welding mechanism is mounted on the fixed frame (6).

2. The combined processing device with a gantry as described in claim 1, characterized in that, The second rack pusher mechanism includes a second pusher plate (38) set inside the transfer trough (9), and a fifth hydraulic cylinder (37) is installed on the side wall of the machine base (1). The telescopic end of the fifth hydraulic cylinder (37) passes through the machine base (1) and is fixedly connected to the second pusher plate (38).

3. The combined processing device with a gantry as described in claim 2, characterized in that, The first rack pushing mechanism includes a placement rack (8) fixed on the upper end of the machine base (1). The placement rack (8) is located above the transfer groove (9). The upper end of the placement rack (8) is provided with a placement groove (34). The interior of the placement groove (34) is provided with a first push plate (36). A fourth hydraulic cylinder (35) is installed on the side wall of the placement rack (8). The telescopic end of the fourth hydraulic cylinder (35) passes through the placement rack (8) and is fixedly connected to the first push plate (36).

4. The combined processing device with a gantry as described in claim 3, characterized in that, The drilling mechanism includes a first hydraulic cylinder (7) installed on the top of the fixed frame (6). The telescopic end of the first hydraulic cylinder (7) passes downward through the fixed frame (6) and is fixedly connected to a device plate (40). Two first guide rods (20) are fixed to the upper end of the device plate (40). The two first guide rods (20) are symmetrically arranged on both sides of the first hydraulic cylinder (7). The first guide rods (20) pass through the top of the fixed frame (6) and are slidably connected to the fixed frame (6). The first drilling machine (41) and the second drilling machine (42) are both installed on the side wall of the device plate (40). The first drilling machine (41) and the second drilling machine (42) are arranged vertically, with the first drilling machine (41) located above the placement frame (8) and the second drilling machine (42) located above the transfer trough (9). A movable groove (43) is provided on the side wall of the placement plate (40). A movable block (46) is provided inside the movable groove (43). A limiting rod (44) is vertically connected to the movable block (46) and is slidably connected to it. Both ends of the limiting rod (44) are fixed on the inner wall of the movable groove (43). A spring (45) is sleeved on the limiting rod (44) and located above the movable block (46). One end of the spring (45) is fixed on the movable block (46), and the other end of the spring (45) is fixed on the inner wall of the movable groove (43). A first baffle (47) and a second baffle (48) are fixed on the side wall of the movable block (46). The first baffle (47) is located above the placement groove (34), and the second baffle (48) is located above the transfer groove (9).

5. The combined processing device with a gantry as described in claim 1, characterized in that, The first frame assembly mechanism includes an electric linear guide rail (28) installed on the inner top wall of the fixed frame (6). The electric linear guide rail (28) is provided with a guide rail seat (29). A third hydraulic cylinder (30) is installed at the lower end of the guide rail seat (29). The telescopic end of the third hydraulic cylinder (30) faces downward and is fixed with a second L-shaped plate (31). An electric clamp (33) is rotatably installed on the side wall of the second L-shaped plate (31). A second reversing motor (32) is installed on the side wall of the second L-shaped plate (31). The output shaft of the second reversing motor (32) passes through the second L-shaped plate (31) and is fixedly connected to the electric clamp (33).

6. The combined processing device with a gantry as described in claim 1, characterized in that, The rectangular column positioning mechanism includes a first L-shaped plate (10) fixed to the upper end of the turntable (4). A fixing plate (13) is fixed on the side wall of the first L-shaped plate (10). An insertion groove is provided at the end of the first L-shaped plate (10). A movable block (16) is slidably inserted into the insertion groove. A tension spring (17) is provided inside the insertion groove. One end of the tension spring (17) is fixed to the movable block (16). The other end of the tension spring (17) is fixed to the inner wall of the insertion groove. A clamping plate (14) is fixed at the end of the movable block (16) away from the first L-shaped plate (10). A positioning hole (18) is provided on the side wall of the clamping plate (14) near the movable block (16). A pull ring (15) is fixed at the end of the clamping plate (14) away from the movable block (16).

7. A combined processing device with a gantry as described in claim 6, characterized in that, The workstation conversion mechanism includes a rotating column (12) that runs through the bottom wall of the rotating groove (3). The rotating column (12) is rotatably connected to the turntable (4). A first reversing motor (11) is installed at the lower end of the machine platform (1). The output shaft of the first reversing motor (11) is fixed at the lower end of the rotating column (12).

8. The combined processing device with a gantry as described in claim 1, characterized in that, The welding mechanism includes a second hydraulic cylinder (19) mounted on the side wall of the fixed frame (6). The telescopic end of the second hydraulic cylinder (19) passes through the fixed frame (6) and is fixed with a connecting plate (21). Two second guide rods (39) are fixed on the side wall of the connecting plate (21). The two second guide rods (39) are symmetrically arranged on both sides of the second hydraulic cylinder (19). The second guide rods (39) pass through the fixed frame (6) and are slidably connected to the fixed frame (6). Two welding rods are arranged vertically on the side wall of the connecting plate (21). The welding structure includes a first U-shaped frame (22) fixed on the side wall of the connecting plate (21), a first welding gun (23) installed on the inner walls of the opposite sides of the first U-shaped frame (22), an electric telescopic rod (27) installed on the side wall of the first U-shaped frame (22), a connecting block (26) fixed at the telescopic end of the electric telescopic rod (27), a second U-shaped frame (24) fixed on the side wall of the connecting block (26), and a second welding gun (25) installed on the inner walls of the opposite sides of the second U-shaped frame (24).

9. A combined processing device with a gantry as described in claim 1, characterized in that, The machine tool (1) is equipped with support legs (2) at the four corners of its lower end.

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