Integral forming die for tail part of lower side door hinge

Abstract

The utility model belongs to the field of machining, and relates to an integral forming die for the tail part of a lower side door hinge, which can finish bending and trimming of the lower side door hinge at one time. According to the technical scheme, the device comprises a fixed platform, a lower bending die, an upper bending die, a lower edge cutting die, an upper edge cutting die and a power component. The lower bending die is fixedly connected with the fixing platform, the upper bending die is arranged over the lower bending die, and the upper bending die and the lower bending die are matched to bend a plate. The lower edge cutting die is fixed to the lower bending die, the upper edge cutting die is arranged above the lower edge cutting die, and when the upper edge cutting die moves downwards, the upper edge cutting die is matched with the lower edge cutting die to cut off flashes. The power component is fixed above the upper bending die and the upper edge cutting die, and the power component is configured to sequentially drive the first output shaft and the second output shaft to move downwards and enable the second output shaft and the first output shaft to reset in sequence.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical processing and relates to an integrated molding mold for the lower side door hinge tail section. Background Technology

[0002] The exterior of railway freight cars is equipped with a lower side door assembly, and the lower side door hinge is part of the lower side door assembly. The lower side door hinge is long and narrow, with an "O"-shaped bend at the front end and a bend at the rear end to allow the lower side door hinge to be pressed tightly against the lower side door, and the rear end of the lower side door hinge can be fixed to the side wall of the car.

[0003] In addition, workers need to frequently grasp the tail of the lower door hinge during operation. For aesthetic and safety reasons, the tail of the lower door hinge also needs to be processed into a rounded structure to prevent workers from getting scratched during operation.

[0004] Currently, the processing of the lower door hinges requires sequential tail bending and tail-end rounding trimming. This increases the complexity of the process and the amount of equipment needed, resulting in high costs and low production efficiency. Utility Model Content

[0005] To overcome the deficiencies in the aforementioned related technologies, this utility model proposes an integrated molding mold for the tail of the lower door hinge, which can complete the bending and trimming of the lower door hinge in one step.

[0006] This utility model provides an integrated molding mold for the lower side door hinge tail section. The integrated molding mold for the lower side door hinge tail section includes: a fixed platform, a lower bending mold, an upper bending mold, a lower edge cutting mold, an upper edge cutting mold, and a power component.

[0007] The upper surface of the fixed platform is horizontal. The lower bending die is fixedly connected to the fixed platform, and the upper surface of the lower bending die is smoothly connected to the upper surface of the fixed platform.

[0008] The upper bending die is positioned directly above the lower bending die, and the upper bending die cooperates with the lower bending die to bend the sheet metal. The lower edge cutting die is fixed to the lower bending die, and the lower edge cutting die includes a lower edge cutting end face and a lower edge cutting side face. The lower edge cutting end face is on the same horizontal plane as the upper end face of the lower bending die, and the lower edge cutting side face is vertically arranged. The edge formed by the intersection of the lower edge cutting end face and the lower edge cutting side face is consistent with the edge structure of the tail of the lower door hinge.

[0009] The upper cutting die is positioned above the lower cutting die. The upper cutting die includes an upper cutting end face and an upper cutting side face. The upper cutting side face is vertically positioned. The edge formed by the intersection of the upper cutting end face and the upper cutting side face is consistent with the edge structure of the lower door hinge tail. The positions of the upper cutting side face and the lower cutting side face are adapted to each other. When the upper cutting die moves downward, the upper cutting side face overlaps with the lower cutting side face.

[0010] The power component is fixed above the upper bending die and the upper edge cutting die. The power component includes a first output shaft and a second output shaft. The first output shaft is fixedly connected to the upper bending die, and the second output shaft is fixedly connected to the upper edge cutting die. The power component is configured to drive the first output shaft and the second output shaft downward in sequence, and to reset the second output shaft and the first output shaft in sequence.

[0011] Preferably, the power component includes: a housing, a first slider, a second slider, and a power slider.

[0012] The outer casing includes a horizontal tube, a vertical tube, and a support plate. The horizontal tube is a horizontal tube with openings at both ends. The vertical tube is open at the bottom and is connected to the middle of the horizontal tube. The vertical tube is provided with at least two vertical grooves. The support plate is fixed directly below the vertical tube.

[0013] The first slider includes a first inclined surface and two parallel first vertical sides. The first vertical sides are perpendicular to the first inclined surface. A first slide bar is provided on the first vertical side. The first slider is movably disposed inside the vertical tube, and the first slide bar is correspondingly disposed in the vertical slide groove. The first output shaft passes through the support plate and is fixedly connected to the first slider. A return spring is fitted on the first output shaft between the first slider and the support plate.

[0014] The second slider includes a second inclined surface and two parallel second vertical sides. The second vertical sides are perpendicular to the second inclined surface. A second slide bar is provided on the second vertical side. The second slider is movably disposed inside the vertical tube, and the second slide bar is correspondingly disposed in the vertical slide groove. The second output shaft passes through the support plate and is fixedly connected to the second slider. A return spring is fitted on the first output shaft between the first slider and the support plate.

[0015] The power slider includes a power inclined surface adapted to the first inclined surface and the second inclined surface. The power slider is movably disposed inside the horizontal tube. When the power slider runs inside the horizontal tube, the power inclined surface sequentially contacts the first inclined surface and the second inclined surface, and the power slider sequentially presses down the first slider and the second slider.

[0016] Preferably, the lower end face of the power slider is a horizontal plane, the vertical cross-sectional shape of the power slider is adapted to the vertical cross-sectional shape of the inner wall of the horizontal tube, and the side wall of the power slider is clearance-fitted with the inner wall of the horizontal tube.

[0017] Preferably, the integrated molding mold for the tail of the lower door hinge further includes a locking ring, which is an annular component. The locking ring is fitted onto the fixed platform, and the lower door hinge is inserted into the locking ring. The lower door hinge, the fixed platform, and the inner ring of the locking ring are fitted with a clearance.

[0018] Preferably, the integrated molding mold for the lower side door fold tail also includes a flash guide groove, the flash guide groove including at least a collection groove, the collection groove being fixed below the lower edge cutting mold, and the collection groove being configured to collect the flash cut off from the lower side door fold tail.

[0019] Preferably, the fixing platform is a strip shape adapted to the lower door hinge, one end of the fixing platform is fixedly connected to the lower bending mold, and the other end of the fixing platform is provided with a positioning block, which is fixed to the lower side of the fixing platform.

[0020] The beneficial effects of this utility model are as follows:

[0021] This invention uses a power component to sequentially press down the upper bending die and the upper edge cutting die, completing the bending and tail edge cutting of the lower door hinge in a single operation. It features fewer operational steps and excellent forming results. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a structural diagram of the present invention;

[0024] Figure 2 This is a diagram showing the operating state of the power component described in this utility model;

[0025] Figure 3 This is another operating state diagram of the power component described in this utility model;

[0026] Figure 4 This is a cross-sectional view of the outer shell of the power component described in this utility model;

[0027] Figure 5This is a side view of the outer shell structure of the power component described in this utility model;

[0028] Figure 6 This is a schematic diagram showing the cooperation between the lower cutting die and the upper cutting die described in this utility model;

[0029] Figure 7 This is a cross-sectional view of the locking ring of this utility model when it is locked. Detailed Implementation

[0030] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0031] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0033] like Figures 1 to 7 As shown, some embodiments of this utility model provide an integrated molding mold for the lower door hinge tail section. The integrated molding mold for the lower door hinge tail section includes: a fixed platform 1, a lower bending mold 2, an upper bending mold 3, a lower edge cutting mold 4, an upper edge cutting mold 5, and a power component 6.

[0034] The upper surface of the fixed platform 1 is horizontal. The lower bending mold 2 is fixedly connected to the fixed platform 1, and the upper plane of the lower bending mold 2 is smoothly connected to the upper surface of the fixed platform 1. The fixed platform can be a strip-shaped plate structure, and the lower bending mold 2 can be a cuboid structure with its upper side surface being a curved surface adapted to the bending at the tail of the lower door hinge.

[0035] The upper bending die 3 is positioned directly above the lower bending die 2. The upper bending die 3 cooperates with the lower bending die 2 to bend the sheet metal. The lower edge cutting die 4 is fixed to the lower bending die 2. The lower edge cutting die 4 includes a lower edge cutting end face and a lower edge cutting side face. The lower edge cutting end face is on the same horizontal plane as the upper end face of the lower bending die 2. The lower edge cutting side face is vertically arranged. The edge formed by the intersection of the lower edge cutting end face and the lower edge cutting side face is consistent with the edge structure of the tail of the lower door hinge.

[0036] The upper cutting die 5 is disposed above the lower cutting die 4. The upper cutting die 5 includes an upper cutting end face 51 and an upper cutting side face 52. The upper cutting side face 52 is vertically arranged. The edge formed by the intersection of the upper cutting end face 51 and the upper cutting side face 52 is consistent with the edge structure of the tail of the lower door hinge. The upper cutting side face 52 is adapted to the position of the lower cutting side face. When the upper cutting die 5 moves downward, the upper cutting side face 52 overlaps with the lower cutting side face.

[0037] The power component 6 is fixed above the upper bending die 3 and the upper cutting die 5. The power component 6 includes a first output shaft 61 and a second output shaft 62. The first output shaft 61 is fixedly connected to the upper bending die 3, and the second output shaft 62 is fixedly connected to the upper cutting die 5. The power component 6 is configured to drive the first output shaft 61 and the second output shaft 62 downward in sequence, and to reset the second output shaft 62 and the first output shaft 61 in sequence.

[0038] The power component 6 includes: a housing 63, a first slider 64, a second slider 65, and a power slider 66.

[0039] The outer casing 63 includes a horizontal tube 67, a vertical tube 68, and a support plate 69. The horizontal tube 67 is a horizontal tube with openings at both ends. The vertical tube 68 is open at the lower end and is connected to the middle of the horizontal tube 67. The vertical tube 68 is provided with at least two vertical sliding grooves. The support plate 69 is fixed directly below the vertical tube 68.

[0040] The first slider 64 includes a first inclined surface and two parallel first vertical sides. The first vertical sides are perpendicular to the first inclined surface. A first slide bar is provided on the first vertical side. The first slider 64 is movably disposed in the vertical tube 68, and the first slide bar is correspondingly disposed in the vertical slide groove. The first output shaft 61 passes through the support plate 69 and is fixedly connected to the first slider 64. A return spring is fitted on the first output shaft 61 between the first slider 64 and the support plate 69.

[0041] The second slider 65 includes a second inclined surface and two parallel second vertical sides, the second vertical sides being perpendicular to the second inclined surface. A second slide bar is provided on the second vertical side. The second slider 65 is movably disposed within the vertical tube 68, and the second slide bar is correspondingly disposed within the vertical slide groove. The second output shaft 62 passes through the support plate 69 and is fixedly connected to the second slider 65. A return spring is fitted on the first output shaft 61 between the first slider 64 and the support plate 69.

[0042] The power slider 66 includes a power inclined surface adapted to the first inclined surface and the second inclined surface. The power slider 66 is movably disposed within the horizontal tube 67. When the power slider 66 runs within the horizontal tube 67, the power inclined surface sequentially contacts the first inclined surface and the second inclined surface, and the power slider 66 sequentially presses down the first slider 64 and the second slider 65.

[0043] The lower end face of the power slider 66 is a horizontal plane, the vertical cross-sectional shape of the power slider 66 is adapted to the vertical cross-sectional shape of the inner wall of the horizontal tube 67, and the side wall of the power slider 66 is clearance-fitted with the inner wall of the horizontal tube 67.

[0044] The integrated molding mold for the tail of the lower door hinge also includes a locking ring. The locking ring is an annular component and is fitted onto the fixed platform 1. The lower door hinge is inserted into the locking ring, and the lower door hinge, the upper bending mold 3, and the inner ring of the locking ring are fitted with a clearance. The locking ring can be moved from the fixed platform 1 to the upper bending mold 3. When the lower door hinge is inserted into the locking ring, the gap between the lower door hinge and the locking ring is small. When the upper bending mold 3 presses down on the lower door hinge, the lower door hinge tilts up and presses against the inner wall of the locking ring, which can prevent the lower door hinge from sliding due to bending.

[0045] The integrated molding mold for the tail of the lower door fold also includes a flash guide groove, which includes at least a collection groove. The collection groove is fixed below the lower edge cutting mold 4 and is configured to collect the flash cut off at the tail of the lower door fold.

[0046] The fixed platform 1 is a strip shape adapted to the lower door hinge. One end of the fixed platform 1 is fixedly connected to the lower bending mold 2, and the other end of the fixed platform 1 is provided with a positioning block, which is fixed to the lower side of the fixed platform 1.

[0047] In this application, the material for the lower door hinge can be a strip-shaped plate. After one end of the strip-shaped plate is bent into a circular structure, it is placed on the upper surface of the fixed platform 1. At the same time, the circular structure of the strip-shaped plate fits against the side of the positioning block, thus positioning the strip-shaped plate on the fixed platform 1. It can be understood that, based on the presence of the locking ring, the other end of the strip-shaped plate can fit against the upper surface of the fixed platform 1 and be slowly pushed downward by the bending mold 2. While the strip-shaped plate fits against the upper surface of the fixed platform 1, the locking ring is inserted until the circular structure fits against the side of the positioning block. At this point, the installation of the strip-shaped plate on the integrated molding mold at the tail of the lower door hinge is completed.

[0048] Then, the power component 6 is activated, and the power slider 66 can be advanced along the extension direction of the horizontal tube 67 under the action of the hydraulic cylinder and the electro-hydraulic push rod. Under the action of the third inclined surface and the first inclined surface, the first slider 64 is pushed downward along the first slide bar.

[0049] When the first slider 64 is pushed down to the bottom by the power slider 66, the first slider 64 can drive the upper bending die 3 to move downward and press the strip plate to the upper side of the lower bending die 2, thereby realizing the bending operation of the strip plate.

[0050] The power slider 66 continues to operate. At this time, the first slider 64 is still pressed down by the power slider 66, and under the action of the third inclined surface and the second inclined surface, the second slider 65 is pushed down along the second slider.

[0051] When the second slider 65 is pushed down to the bottom by the power slider 66, the second slider 65 can drive the lower cutting die 4 to move downward until the lower end face of the lower cutting die 4 is lower than the upper end face of the upper cutting die 5, thereby achieving the trimming of the burrs at the end of the strip plate to form the lower side door hinge.

[0052] Afterwards, the power slider 66 retracts from the horizontal tube 67 (at the final retraction position, one end of the power slider 66 remains inside the horizontal tube 67). The first slider 64 and the second slider 65 rise under the action of the return spring, meaning the upper cutting die 5 and the upper bending die 3 rise sequentially as the power slider 66 retracts. At this point, the locking ring can be moved away from the lower bending die 2. When the locking ring has a large amount of play at the fixed platform 1, the lower door hinge can be removed, ready for the next operation.

[0053] It should be added that, in order to simplify the internal structure of the power component 6, the structure and size of the first slider 64 and the second slider 65 can be made the same. At the same time, in order to ensure that the upper cutting die 5 can be trimmed after it descends, the upper cutting die 5 can be set lower than the upper bending die 3.

[0054] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0055] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A mold for integrally forming the lower side door hinge tail section, characterized in that, include: A fixed platform, wherein the upper surface of the fixed platform is horizontal; A lower bending die is fixedly connected to the fixed platform, and the upper end plane of the lower bending die is smoothly connected to the upper end plane of the fixed platform. An upper bending die is positioned directly above the lower bending die, and the upper bending die and the lower bending die cooperate to bend the sheet metal. The lower cutting mold is fixed on the lower bending mold. The lower cutting mold includes a lower cutting end face and a lower cutting side face. The lower cutting end face is on the same horizontal plane as the upper end face of the lower bending mold. The lower cutting side face is vertically arranged. The edge formed by the intersection of the lower cutting end face and the lower cutting side face is consistent with the edge structure of the tail of the lower door hinge. An upper cutting mold is disposed above the lower cutting mold. The upper cutting mold includes an upper cutting end face and an upper cutting side face. The upper cutting side face is vertically arranged. The edge formed by the intersection of the upper cutting end face and the upper cutting side face is consistent with the edge structure of the tail of the lower door hinge. The positions of the upper cutting side face and the lower cutting side face are adapted to each other. When the upper cutting mold moves downward, the upper cutting side face overlaps with the lower cutting side face. A power component is fixed above the upper bending die and the upper edge cutting die. The power component includes a first output shaft and a second output shaft. The first output shaft is fixedly connected to the upper bending die, and the second output shaft is fixedly connected to the upper edge cutting die. The power component is configured to drive the first output shaft and the second output shaft downward in sequence, and to reset the second output shaft and the first output shaft in sequence.

2. The integral molding mold for the lower door hinge tail section according to claim 1, characterized in that, The power component includes: The outer casing includes a horizontal tube, a vertical tube, and a support plate. The horizontal tube is a horizontal tube with openings at both ends. The vertical tube is open at the bottom and is connected to the middle of the horizontal tube. The vertical tube is provided with at least two vertical grooves. The support plate is fixed directly below the vertical tube. The first slider includes a first inclined surface and two parallel first vertical sides, the first vertical sides being perpendicular to the first inclined surface. A first slide bar is provided on the first vertical side. The first slider is movably disposed inside the vertical tube, and the first slide bar is correspondingly disposed inside the vertical slide groove. The first output shaft passes through the support plate and is fixedly connected to the first slider. A return spring is fitted on the first output shaft between the first slider and the support plate. The second slider includes a second inclined surface and two parallel second vertical sides, the second vertical sides being perpendicular to the second inclined surface. A second slide bar is provided on the second vertical side. The second slider is movably disposed inside the vertical tube, and the second slide bar is correspondingly disposed inside the vertical slide groove. The second output shaft passes through the support plate and is fixedly connected to the second slider. A return spring is fitted on the first output shaft between the first slider and the support plate. The power slider includes a power inclined surface adapted to the first inclined surface and the second inclined surface. The power slider is movably disposed inside the horizontal tube. When the power slider runs inside the horizontal tube, the power inclined surface sequentially contacts the first inclined surface and the second inclined surface, and the power slider sequentially presses down the first slider and the second slider.

3. The integral molding mold for the lower door hinge tail section according to claim 2, characterized in that, The lower end face of the power slider is a horizontal plane, the vertical cross-sectional shape of the power slider is adapted to the vertical cross-sectional shape of the inner wall of the horizontal tube, and the side wall of the power slider is clearance-fitted with the inner wall of the horizontal tube.

4. The integral molding mold for the lower door hinge tail section according to claim 3, characterized in that, The integrated molding mold for the tail of the lower door hinge also includes a locking ring. The locking ring is an annular component and is fitted onto the fixed platform. The lower door hinge is inserted into the locking ring, and the lower door hinge, the fixed platform, and the inner ring of the locking ring are fitted with a clearance.

5. The integral molding mold for the lower door hinge tail section according to claim 4, characterized in that, The integrated molding mold for the lower side door fold tail also includes a flash guide groove, which includes at least a collection groove. The collection groove is fixed below the lower edge cutting mold and is configured to collect the flash cut off from the lower side door fold tail.

6. The integral molding mold for the lower door hinge tail section according to claim 5, characterized in that, The fixed platform is a strip shape adapted to the lower door hinge. One end of the fixed platform is fixedly connected to the lower bending mold, and the other end of the fixed platform is provided with a positioning block, which is fixed to the lower side of the fixed platform.

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