Forming and correcting device for aluminum alloy headstock skin of urban railway vehicle

Abstract

The utility model relates to the technical field of inter-city railway vehicle headstocks, and discloses a city railway vehicle aluminum alloy headstock skin forming correction device which comprises an operation table, a fixed pile block is fixedly installed at the top end of the operation table, and a correction module is fixedly installed on one side of the fixed pile block. A driving assembly is arranged between the stamping module and the operation table, and the driving assembly comprises a driving motor, a lead screw and a pushing plate unit; a moving groove is formed between the top end wall face and the bottom end wall face of the operation table in a penetrating mode, and a base plate assembly is arranged in the moving groove. In the prior art, tools such as a wooden hammer, a rubber hammer or a nylon hammer are used for hammering the skin, the shape of the skin is corrected by changing internal stress distribution of the skin, the mode is troublesome, time-consuming and labor-consuming, and the working efficiency is not high. The stamping module is close to the correcting module to correct the headstock skin, the efficiency is high, and the finished product quality is high.

Description

Technical Field

[0001] This utility model relates to the field of intercity rail passenger car head technology, and in particular to a forming and correcting device for aluminum alloy car head skin of an intercity rail vehicle. Background Technology

[0002] Aluminum alloy car front skins have been widely used in rail vehicles such as urban rail cars and high-speed trains. In the existing technology, aluminum alloy car front skins are formed by welding. During the welding process, some plates may deform or bend. The shape can be corrected by hammering the skin with tools such as wooden hammers, rubber hammers or nylon hammers to change its internal stress distribution. This method is relatively troublesome, time-consuming and labor-intensive, and the work efficiency is not high.

[0003] Therefore, those skilled in the art have provided a forming and correcting device for the aluminum alloy front skin of urban rail vehicles to solve the problems mentioned in the background art. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a forming and correcting device for the aluminum alloy front skin of urban rail vehicles, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A forming and correcting device for aluminum alloy front skin of a light rail vehicle includes: an operating platform installed on the ground, a fixing block fixedly installed at the top of the operating platform, and a correcting module fixedly installed on one side of the fixing block; a stamping module located above the operating platform, a driving assembly disposed between the stamping module and the operating platform, the driving assembly being used to drive the stamping module closer to the correcting module, the driving assembly including a drive motor, a lead screw, and a push plate unit, the push plate unit including a moving plate and a trapezoidal block; a guiding unit disposed outside the stamping module, used to limit and guide the movement of the stamping module, the guiding unit including a door frame and a guide rod, the door frame being fixedly installed at the top of the operating platform; a moving groove is formed through the top and bottom walls of the operating platform, a pad assembly disposed in the moving groove, the pad assembly including a rectangular box, a first-stage telescopic plate, and a second-stage telescopic plate.

[0007] According to the aforementioned aluminum alloy front skin forming and correction device for urban rail vehicles, the guide rod is fixedly installed between the door frame and the fixed pile block, the guide rod and the operating table are parallel to each other, the top of the stamping module is fixedly installed with a limit pile, and the guide rod moves through the corresponding limit pile.

[0008] According to the aforementioned aluminum alloy front skin forming and correction device for urban rail vehicles, the trapezoidal block is fixedly connected to the left side of the stamping module, the movable plate is movably engaged in the movable groove, the movable groove is located below the stamping module, and the trapezoidal block and the movable plate are fixedly connected.

[0009] According to the aforementioned aluminum alloy front skin forming and correction device for urban rail vehicles, the drive motor is fixedly installed on the side of the fixed pile block away from the correction module, the output shaft of the drive motor is fixedly connected to a first helical gear, one end of the lead screw movably passes through the moving plate and is movably installed on one side wall of the moving groove through a bearing, and the other end of the lead screw movably passes through the moving groove and is fixedly connected to a second helical gear.

[0010] According to the aforementioned aluminum alloy front skin forming and correction device for urban rail vehicles, the first helical gear and the second helical gear are in active meshing, the lead screw and the guide rod are in a parallel state, and the lead screw and the moving plate are connected by threads.

[0011] According to the aforementioned urban rail vehicle aluminum alloy front skin forming and correction device, one end of the rectangular box is fixedly installed on one side wall of the moving plate. The rectangular box is located above the lead screw. A first-stage telescopic plate moves through the rectangular box. A first cylindrical rod is fixedly installed inside the cavity of the rectangular box. The first cylindrical rod moves through the first-stage telescopic plate. A second-stage telescopic plate moves through the first-stage telescopic plate. A second cylindrical rod is fixedly installed inside the cavity of the first-stage telescopic plate. The second cylindrical rod moves through the second-stage telescopic plate.

[0012] According to the aforementioned urban rail vehicle aluminum alloy front skin forming and correction device, the outer walls of the first cylindrical rod and the second cylindrical rod are both fitted with compression springs, and a slider is fixedly connected to the end of the second-stage telescopic plate away from the first-stage telescopic plate. A groove is opened on the inner wall of the moving groove at the position corresponding to the slider, and the slider is movably engaged in the groove.

[0013] This utility model provides a forming and correcting device for the aluminum alloy front skin of a light rail vehicle. It has the following features:

[0014] Beneficial effects:

[0015] (1) In the prior art, aluminum alloy front skins are formed by welding. During the welding process, some of the plates may deform or bend. The shape is corrected by hammering the skin with tools such as wooden hammers, rubber hammers or nylon hammers to change the internal stress distribution. This method is troublesome, time-consuming and labor-intensive, and the work efficiency is not high. In this application, a correction module is set and installed on a fixed pile block. The front skin is put on the outer wall of the correction module. The front skin is corrected by a stamping module close to the correction module. The efficiency is high and the quality of the finished product is high.

[0016] (2) By setting the movable plate to engage in the lead screw, the trapezoidal block is fixedly connected to the movable plate. The movable plate moves synchronously to drive the stamping module. During operation, the drive motor drives the first helical gear to rotate. The lead screw is fixedly connected to the second helical gear. By setting the first helical gear and the second helical gear to engage in motion, the lead screw is driven to rotate. The lead screw moves through the movable plate. The lead screw and the movable plate are connected by a thread. The rotation of the lead screw drives the movable plate to move. The stamping module approaches the correction module to complete the correction of the front skin.

[0017] (3) By setting a pad assembly above the lead screw, the pad assembly includes a rectangular box, a first-stage telescopic plate, and a second-stage telescopic plate, which can effectively prevent workers from accidentally stepping into the moving groove. One end of the rectangular box is fixedly installed on one side wall of the moving plate. The rectangular box is located above the lead screw. The first-stage telescopic plate moves through the rectangular box. A first cylindrical rod is fixedly installed in the cavity of the rectangular box. The first cylindrical rod moves through the first-stage telescopic plate. The second-stage telescopic plate moves through the first-stage telescopic plate. A second cylindrical rod is fixedly installed in the cavity of the first-stage telescopic plate. The second cylindrical rod moves through the second-stage telescopic plate. Compression springs are sleeved on the outer walls of the first and second cylindrical rods. When the moving plate moves closer to the correction module, the first-stage telescopic plate and the second-stage telescopic plate retract in sequence. When the moving plate moves away from the correction module, the second-stage telescopic plate and the first-stage telescopic plate reset in sequence. A slider is fixedly connected to one end of the second-stage telescopic plate. The slider is movably engaged in the groove, which further improves the stability and load-bearing capacity of the pad assembly. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of a forming and correcting device for the aluminum alloy front skin of a city rail vehicle according to the present invention. Figure 1 ;

[0019] Figure 2 This is a three-dimensional structural diagram of a forming and correcting device for the aluminum alloy front skin of a city rail vehicle according to the present invention. Figure 2 ;

[0020] Figure 3 This is a bottom view of a forming and correcting device for aluminum alloy front skin of a city rail vehicle according to the present invention;

[0021] Figure 4 This is a three-dimensional structural diagram of the pad assembly of the forming and correcting device for the aluminum alloy front skin of a city rail vehicle according to this utility model.

[0022] Figure 5 This is a schematic diagram showing the connection relationship between the rectangular box and the first-stage telescopic plate of the aluminum alloy front skin forming and correction device for urban rail vehicles according to this utility model.

[0023] Figure 6This is a schematic diagram showing the connection relationship between the first-stage telescopic plate and the second-stage telescopic plate of the aluminum alloy front skin forming and correction device for urban rail vehicles according to this utility model.

[0024] Legend:

[0025] 10. Operating platform; 11. Stamping module; 12. Fixed pile block; 13. Correction module; 14. Guide unit; 15. Trapezoidal block; 16. Pad assembly; 17. Door frame; 18. Limiting pile; 19. Guide rod; 20. Drive motor; 21. First helical gear; 22. Second helical gear; 23. Moving slot; 24. Lead screw; 25. Moving plate; 26. Rectangular box; 27. First-stage telescopic plate; 28. Second-stage telescopic plate; 29. ​​Slider; 30. First cylindrical rod; 31. Second cylindrical rod. Detailed Implementation

[0026] like Figure 1-6 The following is a description of a forming and correcting device for an aluminum alloy front skin of a light rail vehicle: It includes an operating platform 10, mounted on the ground, with a fixing block 12 fixedly mounted on the top of the platform and a correcting module 13 fixedly mounted on one side of the fixing block 12; a stamping module 11, located above the operating platform 10, with a driving assembly between the stamping module 11 and the platform 10. The driving assembly drives the stamping module 11 closer to the correcting module 13 and includes a drive motor 20, a lead screw 24, and a push plate. The unit includes a push plate unit comprising a movable plate 25 and a trapezoidal block 15; a guide unit 14 is disposed outside the stamping module 11 and is used to limit and guide the movement of the stamping module 11. The guide unit 14 includes a door frame 17 and a guide rod 19. The door frame 17 is fixedly installed on the top of the operating table 10. A movable groove 23 is provided through the top and bottom walls of the operating table 10. A pad assembly 16 is provided in the movable groove 23. The pad assembly 16 includes a rectangular box 26, a first-stage telescopic plate 27, and a second-stage telescopic plate 28.

[0027] It should be noted that the internal heating device of the correction module 13 can preheat the front skin as needed.

[0028] Specifically, in existing technologies, aluminum alloy front panel panels are formed by welding. During the welding process, some of the panels may deform or bend. The shape is corrected by hammering the panel with tools such as wooden hammers, rubber hammers, or nylon hammers to change the internal stress distribution. This method is cumbersome, time-consuming, and labor-intensive, resulting in low work efficiency. In this application, a correction module 13 is installed on a fixed pile block 12. The front panel is then fitted onto the outer wall of the correction module 13. The front panel is then corrected by pressing a stamping module 11 close to the correction module 13. This method is highly efficient and produces high-quality finished products.

[0029] The guide rod 19 is fixedly installed between the door frame 17 and the fixed pile block 12. The guide rod 19 and the operating table 10 are parallel to each other. The top of the stamping module 11 is fixedly installed with a limit pile 18, and the guide rod 19 moves through the corresponding limit pile 18.

[0030] Specifically, the door frame 17 is fixedly installed on the operating table 10, the top of the stamping module 11 is fixedly installed with the limiting stake 18, and the guide rod 19 is fixedly installed between the door frame 17 and the fixed stake block 12. By setting the guide rod 19 to move through the limiting stake 18, the movement of the stamping module 11 is limited and guided.

[0031] The trapezoidal block 15 is fixedly connected to the left side of the stamping module 11. The movable plate 25 is movably engaged in the movable groove 23, which is located below the stamping module 11. The trapezoidal block 15 and the movable plate 25 are fixedly connected. The drive motor 20 is fixedly installed on the side of the fixed pile block 12 away from the correction module 13. The output shaft of the drive motor 20 is fixedly connected to the first helical gear 21. One end of the lead screw 24 movably passes through the movable plate 25 and is movably mounted on the side wall of the movable groove 23 through a bearing. The other end of the lead screw 24 movably passes through the movable groove 23 and is fixedly connected to the second helical gear 22. The first helical gear 21 and the second helical gear 22 are movably meshed. The lead screw 24 and the guide rod 19 are parallel to each other. The lead screw 24 and the movable plate 25 are threadedly connected.

[0032] Specifically, by setting the movable plate 25 to be movably engaged within the lead screw 24, and the trapezoidal block 15 to be fixedly connected to the movable plate 25, the movement of the movable plate 25 synchronously drives the stamping module 11. During operation, the drive motor 20 drives the first helical gear 21 to rotate, and the lead screw 24 is fixedly connected to the second helical gear 22. By setting the first helical gear 21 and the second helical gear 22 to be movably engaged, the lead screw 24 is driven to rotate. The lead screw 24 movably passes through the movable plate 25, and the lead screw 24 and the movable plate 25 are connected by a thread. The rotation of the lead screw 24 drives the movable plate 25 to move, and the stamping module 11 approaches the correction module 13 to complete the correction of the front skin of the vehicle.

[0033] One end of a rectangular box 26 is fixedly mounted on one side wall of a movable plate 25. The rectangular box 26 is located above a lead screw 24. A first-stage telescopic plate 27 movably passes through the rectangular box 26. A first cylindrical rod 30 is fixedly installed inside the cavity of the rectangular box 26, and the first cylindrical rod 30 movably passes through the first-stage telescopic plate 27. A second-stage telescopic plate 28 movably passes through the first-stage telescopic plate 27. A second cylindrical rod 31 is fixedly installed inside the cavity of the first-stage telescopic plate 27, and the second cylindrical rod 31 movably passes through the second-stage telescopic plate 28. Compression springs are fitted on the outer walls of both the first cylindrical rod 30 and the second cylindrical rod 31. A slider 29 is fixedly connected to the end of the second-stage telescopic plate 28 away from the first-stage telescopic plate 27. A groove is formed on the inner wall of the movable groove 23 at the position corresponding to the slider 29, and the slider 29 is movably engaged in the groove.

[0034] Specifically, by setting a pad assembly 16 above the lead screw 24, the pad assembly 16 includes a rectangular box 26, a first-stage telescopic plate 27, and a second-stage telescopic plate 28, which can effectively prevent workers from accidentally stepping into the moving groove 23. One end of the rectangular box 26 is fixedly installed on one side wall of the moving plate 25, and the rectangular box 26 is located above the lead screw 24. The first-stage telescopic plate 27 movably passes through the rectangular box 26, and a first cylindrical rod 30 is fixedly installed inside the cavity of the rectangular box 26, movably passing through the first-stage telescopic plate 27. The second-stage telescopic plate 28 movably passes through the first-stage telescopic plate 27. A second cylindrical rod 31 is fixedly installed inside the cavity of 27. The second cylindrical rod 31 movably passes through the second-stage telescopic plate 28. Compression springs are provided on the outer walls of both the first cylindrical rod 30 and the second cylindrical rod 31. When the moving plate 25 moves closer to the correction module 13, the first-stage telescopic plate 27 and the second-stage telescopic plate 28 retract sequentially. When the moving plate 25 moves away from the correction module 13, the second-stage telescopic plate 28 and the first-stage telescopic plate 27 return to their original positions sequentially. A slider 29 is fixedly connected to one end of the second-stage telescopic plate 28. The slider 29 is movably engaged in the groove, further improving the load-bearing capacity of the pad assembly 16.

[0035] The working principle of the aluminum alloy front skin forming and correction device for urban rail vehicles disclosed in this application is as follows: A correction module 13 is installed on a fixed block 12. The front skin is fitted onto the outer wall of the correction module 13. A movable plate 25 is movably engaged within a lead screw 24. A trapezoidal block 15 is fixedly connected to the movable plate 25. The movement of the movable plate 25 synchronously drives the stamping module 11. During operation, a drive motor 20 drives the first helical gear 21 to rotate. The lead screw 24 is fixedly connected to a second helical gear 22. By movably meshing the first helical gear 21 and the second helical gear 22, the lead screw 24 is driven to rotate. The lead screw 24 movably passes through the movable plate 25. The lead screw 24 and the movable plate 25 are connected by a thread. The rotation of the lead screw 24 drives the movable plate 25 to move, and the stamping module 11 approaches the correction module 13, completing the correction of the front skin.

[0036] The circuits, electronic components, and modules involved are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.

[0037] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A device for forming and correcting a head skin of an urban rail vehicle made of an aluminum alloy, characterized in that, Include: Operation platform (10), the operation platform (10) is installed on the ground, the top end of operation platform (10) is fixedly installed with fixed pile block (12), one side of fixed pile block (12) is fixedly installed with correction module (13); Punching module (11), the punching module (11) is located above the operation platform (10), the driving assembly is arranged between the punching module (11) and the operation platform (10), the driving assembly is used for driving the punching module (11) to be close to the correction module (13), the driving assembly includes driving motor (20), lead screw (24) and push plate unit, the push plate unit includes moving plate (25) and trapezoidal block (15); Guide unit (14), the guide unit (14) is arranged outside the punching module (11), is used for limiting and guiding the movement of the punching module (11), the guide unit (14) includes door frame (17) and guide rod (19), the door frame (17) is fixedly installed on the top end of operation platform (10); The top end and the bottom end wall surface of operation platform (10) are provided with moving groove (23), the moving groove (23) is provided with spacer assembly (16), the spacer assembly (16) includes rectangular box (26), first telescopic plate (27) and second telescopic plate (28).

2. The urban rail vehicle aluminum alloy nose skin forming and correcting device of claim 1, wherein: The guide rod (19) is fixedly installed between the door frame (17) and the fixed pile block (12), the guide rod (19) and the operation platform (10) are in parallel state, the top end of the punching module (11) is fixedly installed with limit pile (18), the guide rod (19) is movably penetrated through the corresponding limit pile (18).

3. The urban rail vehicle aluminum alloy nose skin forming and correcting device of claim 1, wherein: The trapezoidal block (15) is fixedly connected with the left side of the punching module (11), the moving plate (25) is movably clamped in the moving groove (23), the moving groove (23) is located below the punching module (11), and the trapezoidal block (15) and the moving plate (25) are in fixed connection.

4. The urban rail vehicle aluminum alloy nose skin forming and correcting device of claim 1, wherein: The driving motor (20) is fixedly installed on the side of the fixed pile block (12) away from the correction module (13), the output shaft of the driving motor (20) is fixedly connected with the first helical gear (21), one end of the lead screw (24) is movably penetrated through the moving plate (25) and is movably installed on one side wall surface of the moving groove (23) through the bearing, the other end of the lead screw (24) is movably penetrated through the moving groove (23) and is fixedly connected with the second helical gear (22).

5. The urban rail vehicle aluminum alloy nose skin forming and correcting device of claim 4, wherein: The first helical gear (21) and the second helical gear (22) are movably engaged, the lead screw (24) and the guide rod (19) are in parallel state, and the lead screw (24) and the moving plate (25) are in threaded connection.

6. The urban rail vehicle aluminum alloy nose skin forming and correcting device of claim 1, wherein: One end of the rectangular box (26) is fixedly installed on one side wall surface of the moving plate (25), the rectangular box (26) is located above the lead screw (24), a first telescopic plate (27) is movably penetrated through the rectangular box (26), the cavity of the rectangular box (26) is fixedly installed with a first cylindrical rod (30), the first cylindrical rod (30) is movably penetrated through the first telescopic plate (27), a second telescopic plate (28) is movably penetrated through the first telescopic plate (27), the cavity of the first telescopic plate (27) is fixedly installed with a second cylindrical rod (31), and the second cylindrical rod (31) is movably penetrated through the second telescopic plate (28).

7. The urban rail vehicle aluminum alloy nose skin forming and correcting device of claim 6, wherein: The outer wall surfaces of the first cylindrical rod (30) and the second cylindrical rod (31) are both sleeved with compression springs, one end of the second telescopic plate (28) away from the first telescopic plate (27) is fixedly connected with a sliding block (29), and the inner wall surface of the moving groove (23) is provided with a recess at a position corresponding to the sliding block (29), and the sliding block (29) is movably clamped in the recess.

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