Railway wagon longitudinal beam arc forming device

Abstract

The utility model relates to the technical field of railway wagon longitudinal beam arc forming devices, in particular to a railway wagon longitudinal beam arc forming device which is characterized by comprising a supporting bottom plate, a first air cylinder set, a pressing plate, a second air cylinder set and a longitudinal beam arc forming module. A first air cylinder set and a second air cylinder set are symmetrically installed on the supporting bottom plate, an output shaft of the first air cylinder set is connected with a pressing plate, a longitudinal beam rear supporting gear is arranged on the portion, under the bottom, of the supporting bottom plate, and the first air cylinder set is fixed to the supporting bottom plate through an air cylinder supporting frame. An output shaft of the second air cylinder set is connected with the longitudinal beam arc forming module. And a longitudinal beam is mounted between the longitudinal beam rear supporting baffle and the longitudinal beam arc forming inner mold. The tool is convenient to apply and use and accurate in positioning. When the longitudinal beam is put in, the three shafts are linked simultaneously through quick positioning of the backstop, tight jacking and fixing of the tail air cylinder and ejection of the end air cylinder, so that the outer mold rotates, and the arc at the end of the longitudinal beam is quickly formed through the lever principle. By means of the device, the working efficiency is improved, and the forming quality is guaranteed.

Description

Technical Field

[0001] This utility model relates to the technical field of arc forming device for longitudinal beams of railway freight cars, and in particular to an arc forming device for longitudinal beams of railway freight cars. Background Technology

[0002] The longitudinal beams of the freight car underframe are an important component of railway freight cars, and therefore have high requirements for their forming and quality. Appropriate tooling is necessary to solve the forming problems, reduce labor intensity, and improve labor efficiency.

[0003] There is currently no tooling available for one-time forming of the longitudinal beam arc, and a set of tooling is urgently needed to solve the production problem. Utility Model Content

[0004] To overcome the shortcomings of existing methods, this utility model provides a device for forming the arc of the longitudinal beam of a railway freight car.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: A longitudinal beam arc forming device for railway freight cars, comprising a supporting base plate, a cylinder group one, a pressure plate, a cylinder group two, and a longitudinal beam arc forming module; the cylinder group one and the cylinder group two are symmetrically installed on the supporting base plate, the output shaft of the cylinder group one is connected to the pressure plate, and a longitudinal beam rear support is provided on the supporting base plate directly below the bottom; the cylinder group one is fixed to the supporting base plate by a cylinder support frame; the output shaft of the cylinder group two is connected to the longitudinal beam arc forming module; the longitudinal beam arc forming module includes a longitudinal beam arc forming outer mold, a longitudinal beam arc forming inner mold, and an outer mold rotating support frame; one end of the outer mold rotating support frame is connected to the output shaft of the cylinder group two, and the other end is connected to the outer mold rotating support frame; the longitudinal beam arc forming inner mold is located directly below the outer mold rotating support frame and is installed on the supporting base plate; a longitudinal beam is installed between the longitudinal beam rear support and the longitudinal beam arc forming inner mold.

[0006] According to another embodiment of the present invention, the longitudinal beam rear support is a trapezoidal thin sheet with two symmetrical sets of longitudinal beam wing edge grooves in the middle, and a support surface is provided between the longitudinal beam wing edge grooves; a rear baffle is provided on the middle left side of the longitudinal beam rear support.

[0007] According to another embodiment of the present invention, the cylinder assembly two is further included in that the cylinder assembly two is mounted on the support base plate by a pair of cylinder upper support frames and cylinder lower support frames, the cylinder upper support frames are connected to the cylinder assembly two by a rotating shaft, and the bottom is mounted on the support base plate by the cylinder lower support frame.

[0008] According to another embodiment of the present invention, the longitudinal beam arc forming inner mold further includes an inner mold piece one, an inner mold piece two, an inner mold support piece one, and an inner mold support piece two. The inner mold piece one and the inner mold piece two are trapezoidal thin pieces, and the height of the inner mold piece one is higher than that of the inner mold piece two. The inner mold piece one and the inner mold piece two are respectively provided with two sets of longitudinal beam arc wing edge grooves and slots. The inner mold support piece one and the inner mold support piece two are installed on the slots. The inner mold support piece one and the inner mold support piece two are the same size, with a right-angled side on the left and an arc-shaped side on the right.

[0009] According to another embodiment of the present invention, the outer mold rotating support frame is provided with a rotating shaft in the middle that is rotatably connected to the longitudinal beam arc forming outer mold, and the two sides are fixed to the support base plate by brackets.

[0010] According to another embodiment of the present invention, the longitudinal beam arc forming outer mold is an arc-shaped structure, one end of which is connected to the output shaft of the cylinder group two through a rotating shaft, and the other end is rotatably connected to the outer mold rotating support frame.

[0011] According to another embodiment of the present invention, the cylinder assembly is further provided with rotating shafts on both sides.

[0012] According to another embodiment of the present invention, the cylinder lower support frame is further provided with an arc-shaped opening.

[0013] According to another embodiment of the present invention, the longitudinal beam is further comprising having longitudinal beam flanges on both sides and a surface to be processed on the right side.

[0014] The beneficial effects of this utility model are that the tooling is convenient to use, accurate in positioning, and precise in placement. This is reflected in the fact that when the longitudinal beam is placed, it is quickly positioned by a stop, tightened and fixed by a tail cylinder, and simultaneously propelled by three shafts linked by an end cylinder, causing the outer mold to rotate through a lever principle, thus rapidly forming the arc at the end of the longitudinal beam. This device improves work efficiency and ensures the quality of the forming process. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is the front view of this utility model;

[0018] Figure 3 This is a structural schematic diagram of the longitudinal beam rear support span;

[0019] Figure 4 This is a schematic diagram of the structure of the longitudinal beam arc forming outer mold;

[0020] Figure 5 This is a schematic diagram of the structure of the longitudinal beam arc forming inner mold;

[0021] Figure 6 This is a structural schematic diagram of the outer mold rotation support frame;

[0022] Figure 7 This is a structural schematic diagram of a longitudinal beam;

[0023] Figure 8 This is a schematic diagram of the structure of the support frame on the cylinder;

[0024] Figure 9 This is a schematic diagram of the lower support frame of the cylinder;

[0025] Figure 10 This is a schematic diagram of cylinder group two.

[0026] In the diagram: 1. Support base plate; 2. Cylinder assembly one; 3. Pressure plate; 4. Cylinder assembly two; 5. Longitudinal beam arc forming module; 6. Longitudinal beam rear support stop; 7. Cylinder support frame; 8. Longitudinal beam arc forming outer mold; 9. Longitudinal beam arc forming inner mold; 10. Outer mold rotation support frame; 11. Longitudinal beam; 12. Longitudinal beam wing edge stop groove; 13. Rear stop; 14. Cylinder upper support frame; 15. Cylinder lower support frame; 16. Inner mold piece one; 17. Inner mold piece two; 18. Inner mold support piece one; 19. Inner mold support piece two; 20. Longitudinal beam arc edge stop groove; 21. Slot. Detailed Implementation

[0027] like Figure 1 This is a schematic diagram of the structure of this utility model, a longitudinal beam arc forming device for railway freight cars, including a supporting base plate 1, a first cylinder group 2, a pressure plate 3, a second cylinder group 4, and a longitudinal beam arc forming module 5; the first cylinder group 2 and the second cylinder group 4 are symmetrically installed on the supporting base plate 1, the output shaft of the first cylinder group 2 is connected to the pressure plate 3, and a longitudinal beam rear support block 6 is provided on the supporting base plate 1 directly below the bottom; the first cylinder group 2 is fixed to the supporting base plate 1 by a cylinder support frame 7; the output shaft of the second cylinder group 4 is connected to the longitudinal beam arc forming module 5. The longitudinal beam arc forming module 5 includes a longitudinal beam arc forming outer mold 8, a longitudinal beam arc forming inner mold 9, and an outer mold rotation support frame 10. One end of the outer mold rotation support frame 10 is connected to the output shaft of the cylinder assembly 4, and the other end is connected to the outer mold rotation support frame 10. The longitudinal beam arc forming inner mold 9 is located directly below the outer mold rotation support frame 10 and is installed on the support base plate 1. A longitudinal beam 11 is installed between the longitudinal beam rear support block 6 and the longitudinal beam arc forming inner mold 9.

[0028] According to another embodiment of the present invention, the longitudinal beam rear support 6 is a trapezoidal thin sheet with two symmetrical sets of longitudinal beam wing edge grooves 12 in the middle, and a support surface is provided between the longitudinal beam wing edge grooves 12; a rear stop 13 is provided on the middle left side of the longitudinal beam rear support 6.

[0029] According to another embodiment of the present invention, the cylinder assembly 4 is further included in that the cylinder assembly 2 is mounted on the support base plate 1 by a pair of cylinder upper support frames 14 and cylinder lower support frames 15. The cylinder upper support frame 14 is connected to the cylinder assembly 2 via a rotating shaft, and the bottom is mounted on the support base plate 1 by the cylinder lower support frame 15.

[0030] According to another embodiment of the present invention, the longitudinal beam arc forming inner mold 9 further includes an inner mold piece 16, an inner mold piece 17, an inner mold support piece 18, and an inner mold support piece 19. The inner mold piece 16 and the inner mold piece 17 are trapezoidal thin pieces, and the height of the inner mold piece 16 is higher than that of the inner mold piece 17. The inner mold piece 16 and the inner mold piece 17 are respectively provided with two sets of longitudinal beam arc wing edge grooves 20 and slots 21. The inner mold support piece 18 and the inner mold support piece 29 are installed on the slots 21. The inner mold support piece 18 and the inner mold support piece 29 are the same size, with a right-angled side on the left and an arc-shaped side on the right.

[0031] According to another embodiment of the present invention, the outer mold rotating support frame 10 is provided with a rotating shaft in the middle that is rotatably connected to the longitudinal beam arc forming outer mold 8, and the two sides are fixed to the support base plate 1 by brackets.

[0032] According to another embodiment of the present invention, the longitudinal beam arc forming outer mold 8 is an arc-shaped structure, one end of which is connected to the output shaft of cylinder group 2 4 through a rotating shaft, and the other end is rotatably connected to the outer mold rotating support frame 10.

[0033] According to another embodiment of the present invention, the cylinder assembly 4 is further provided with rotating shafts on both sides.

[0034] According to another embodiment of the present invention, the cylinder lower support frame 15 is further provided with an arc-shaped opening.

[0035] According to another embodiment of the present invention, the longitudinal beam 11 is further comprising having longitudinal beam flanges on both sides and a surface to be processed on the right side.

[0036] Specifically, the longitudinal beam flange of the longitudinal beam 11 is installed on the longitudinal beam arc flange groove 20 and the longitudinal beam flange groove 12, so that the longitudinal beam 11 is suspended at a certain height.

[0037] The specific operation process is as follows: First, the left side of the longitudinal beam 11 is pressed against the stop 13. The wing of the longitudinal beam is inserted into the arc forming inner mold 9 and the arc forming inner mold 6 of the longitudinal beam for quick and accurate positioning. Then, cylinder group 1 2 is started to press the pressure plate 3 against the left side of the longitudinal beam. Then, cylinder group 2 4 is started to push out the output shaft, so that the outer mold rotation support frame 10 and the arc forming outer mold 8 of the longitudinal beam rotate. The upper support frame 14 of the cylinder also rotates relatively. The arc forming outer mold 8 of the longitudinal beam and the arc forming inner mold 9 of the longitudinal beam are pressed together by cylinder group 2 4. At this time, the arc forming is completed by welding point fixation through the arc opening of the lower support 15 of the cylinder, and the arc forming is completed quickly.

[0038] The above description is illustrative only and not restrictive of this utility model. Those skilled in the art will understand that many modifications, variations or equivalents can be made without departing from the spirit and scope defined by the appended claims, and all such modifications, variations or equivalents will fall within the protection scope of this utility model.

Claims

1. A device for arc forming of longitudinal beams of railway wagons, characterized in that, The utility model provides a longitudinal beam circular arc forming die set and longitudinal beam circular arc forming die set is arranged on the support base plate (1) of longitudinal beam circular arc forming die set, and the longitudinal beam circular arc forming die set is connected with the output shaft of the cylinder group two (4) through the cylinder upper support frame (14) and the cylinder lower support frame (15) of the cylinder group two (4) and is connected with the output shaft of the cylinder group one (2) through the cylinder support frame (7) and the cylinder group one (2) of the support base plate (1) of longitudinal beam circular arc forming die set, and the cylinder group one (2) is connected with the pressing plate (3) of the output shaft, and the longitudinal beam rear support stop (6) is arranged on the support base plate (1) at the bottom directly below, and the cylinder group one (2) is fixed on the support base plate (1) through the cylinder support frame (7), and the output shaft of the cylinder group two (4) is connected with the longitudinal beam circular arc forming die set (5), and the longitudinal beam circular arc forming die set (5) includes longitudinal beam circular arc forming outer die (8), longitudinal beam circular arc forming inner die (9) and outer die rotary support frame (10), one end of outer die rotary support frame (10) is connected with the output shaft of cylinder group two (4), and the other end is connected with outer die rotary support frame (10), longitudinal beam circular arc forming inner die (9) is arranged directly below outer die rotary support frame (10) and is installed on the support base plate (1), longitudinal beam rear support stop (6) and longitudinal beam circular arc forming inner die (9) are installed with longitudinal beam (11) between.

2. The device according to claim 1, wherein The longitudinal beam rear support stop (6) is a trapezoidal sheet, and two groups of longitudinal beam wing edge stop grooves (12) are symmetrically arranged in the middle, and a supporting surface is arranged between the longitudinal beam wing edge stop grooves (12).

3. The device according to claim 1, wherein the device is characterized by, The cylinder group two (4) is installed on the support base plate (1) through the cylinder upper support frame (14) and the cylinder lower support frame (15) in pairs, the cylinder upper support frame (14) is connected with the cylinder group two (4) through a rotating shaft, and the bottom is installed on the support base plate (1) through the cylinder lower support frame (15).

4. The device according to claim 1, wherein, The longitudinal beam circular arc forming inner die (9) is an inner die sheet one (16), an inner die sheet two (17), an inner die support sheet one (18) and an inner die support sheet two (19), the inner die sheet one (16) and the inner die sheet two (17) are trapezoidal sheets, and the height of the inner die sheet one (16) is higher than that of the inner die sheet two (17), two groups of longitudinal beam circular arc wing edge stop grooves (20) and clamping grooves (21) are respectively arranged on the inner die sheet one (16) and the inner die sheet two (17) correspondingly, the inner die support sheet one (18) and the inner die support sheet two (19) are installed on the clamping grooves (21), the inner die support sheet one (18) and the inner die support sheet two (19) are the same size, the left side is a right angle edge, and the right side is an arc edge.

5. The device according to claim 1, wherein the device is characterized by, The outer die rotary support frame (10) is provided with a rotating shaft rotatably connected with the longitudinal beam circular arc forming outer die (8) in the middle, and the two sides are fixed on the support base plate (1) through supports.

6. The device according to claim 1, wherein, The longitudinal beam circular arc forming outer die (8) is an arc structure, one end is connected with the output shaft of the cylinder group two (4) through a rotating shaft, and the other end is rotatably connected on the outer die rotary support frame (10).

7. The device according to claim 1, wherein, The cylinder group two (4) is provided with rotating shafts on the two sides.

8. The device according to claim 3, wherein the device is characterized by, The cylinder lower support frame (15) is provided with an arc-shaped opening.

9. The device according to claim 1, wherein, The longitudinal beam (11) is provided with a to-be-processed surface on the right side.

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