Die for machining bullet train door frame

Abstract

The utility model discloses a die for machining a bullet train door frame, which relates to the technical field of bullet train machining, comprises a stamping bottom plate and a stamping top plate, the stamping bottom plate and the stamping top plate are arranged in parallel, and the stamping bottom plate and the stamping top plate are connected through stand columns, and is characterized in that a door frame bottom die is fixed on the upper wall surface of the stamping bottom plate through bolts; a fixed upper die structure is installed between the stamping bottom plate and the stamping top plate, and a bending upper die structure is installed between the stamping bottom plate and the stamping top plate. The fixed upper die structure comprises two fixed sliding rods and a fixed upper die; the two fixed sliding rods are installed between the stamping bottom plate and the stamping top plate, and the two fixed sliding rods are movably sleeved with the fixed upper die. The door frame is subjected to integrated punch forming in a punching mode, the mechanical property of the vehicle door frame is improved, it can be guaranteed that the bending degrees of the two arc edge materials of the door frame are consistent, and therefore the overall machining precision of the vehicle door frame is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a motor train vehicle processing technical field especially relates to a motor train vehicle door frame processing die. BACKGROUND

[0002] Motor train vehicle, full name motor vehicle, refers to the vehicle equipped with power device in the rail transit system, including two categories of locomotive and power car. Motor train vehicle is equipped with driving wheel, and the vehicle without driving device corresponding to it is trailer. The train can normally run on the track, and the motor train vehicle must provide sufficient traction for the whole train, but the trailer without power can not be hung. Motor train unit, also known as motor train unit train, is a new traffic term in China, which is a type of modern train composed of several powered vehicles (motor train vehicles) and non-powered vehicles (trailers), and the train runs in fixed formation mode within the normal service life.

[0003] Due to the high speed of motor train unit, the shape of the car body needs some arc design to reduce wind resistance, so the motor train vehicle door and the door frame need to meet such arc, and the door frame is usually bent and then welded when the arc is processed, the door frame material is bent into the required arc through the bending machine, and then the bent material is welded into the door frame through metal welding, but the mechanical properties of this processing method are poor, and due to the two arc line materials of the door frame, which are not bent at the same time, there will be errors, so the processing error of the size is large. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a motor train vehicle door frame processing die.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A motor train vehicle door frame processing die, comprising: a stamping bottom plate and a stamping top plate, the stamping bottom plate and the stamping top plate are placed in parallel, the stamping bottom plate and the stamping top plate are connected through a stand column, the upper wall surface of the stamping bottom plate is fixed with a door frame bottom die through a bolt, a fixed upper die structure is installed between the stamping bottom plate and the stamping top plate, and a bending upper die structure is installed between the stamping bottom plate and the stamping top plate.

[0007] The utility model further sets up as the upper wall surface of door frame bottom mould is equipped with two limit grooves.

[0008] The utility model further sets up as the upper wall surface of door frame bottom mould is equipped with two limit grooves.

[0009] The utility model further sets up as the inside of stamping top plate is provided with fixed hydraulic pressure ware, and the drive end of fixed hydraulic pressure ware is connected with fixed upper die.

[0010] The utility model further sets up as the inside of stamping top plate is provided with two bending hydraulic pressure ware, and the drive end of two bending hydraulic pressure ware is connected with first bending upper die and second bending upper die respectively.

[0011] The utility model further sets up as door frame bottom mould can be completely buckled with fixed upper die, first bending upper die and second bending upper die.

[0012] The utility model discloses the beneficial effect is: the utility model discloses the way of stamping to the door frame of integral type stamping forming, not only has promoted the mechanical property of car door frame, can guarantee the bending degree of two arc line edges of door frame is consistent, thereby guaranteeing the machining precision of car door frame whole. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 The utility model discloses a kind of overall structure schematic diagram of mould for motor train door frame processing is proposed;

[0014] Fig. 2 The utility model discloses an upper die structure schematic diagram of mould for motor train door frame processing is proposed;

[0015] Fig. 3 The utility model discloses a lower die structure schematic diagram of mould for motor train door frame processing is proposed.

[0016] In the drawing: 1, stamping bottom plate;2, stamping top plate;3, door frame bottom mould;4, fixed slide;5, fixed upper die;6, bending slide;7, first bending upper die;8, second bending upper die;9, connecting seat;10, limit groove;11, fixed hydraulic pressure ware;12, bending hydraulic pressure ware. DETAILED DESCRIPTION

[0017] The technical scheme of the patent is further explained in detail in combination with specific implementation.

[0018] Embodiments of the present patent are described below in detail with reference to the accompanying drawings, wherein the same or similar numerals represent the same or similar elements or elements having the same or similar functions throughout the accompanying drawings. The embodiments described below by reference to the accompanying drawings are exemplary and are only used to explain the present patent, and cannot be understood as a limitation on the present patent.

[0019] In the description of the present patent, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present patent and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present patent.

[0020] In the description of the present patent, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present patent can be understood according to the specific circumstances.

[0021] Referring to Figs. 1-3 A mold for processing a motor vehicle door frame, comprising: a stamping bottom plate 1 and a stamping top plate 2, the stamping bottom plate 1 and the stamping top plate 2 are placed in parallel, and the stamping bottom plate 1 and the stamping top plate 2 are connected by a stand column, characterized in that the upper wall surface of the stamping bottom plate 1 is fixed with a door frame bottom die 3 through bolts, a fixed upper die structure is installed between the stamping bottom plate 1 and the stamping top plate 2, and a bending upper die structure is installed between the stamping bottom plate 1 and the stamping top plate 2.

[0022] Specifically, the bending upper die structure comprises: four bending slide rods 6, a first bending upper die 7, a second bending upper die 8, and two connecting seats 9; the four bending slide rods 6 are installed between the stamping bottom plate 1 and the stamping top plate 2, the first bending upper die 7 and the second bending upper die 8 are movably sleeved outside the bending slide rods 6, and the two connecting seats 9 are installed on the upper wall surfaces of the first bending upper die 7 and the second bending upper die 8, respectively.

[0023] Specifically, the upper wall surface of the door frame bottom die 3 is provided with two limiting grooves 10.

[0024] Specifically, the inside of the stamping top plate 2 is provided with a fixed hydraulic device 11, and the driving end of the fixed hydraulic device 11 is connected with the fixed upper die 5.

[0025] Specifically, the inside of the stamping top plate 2 is provided with two bending hydraulic devices 12, and the driving ends of the two bending hydraulic devices 12 are connected with the first bending upper die 7 and the second bending upper die 8 respectively.

[0026] Specifically, the door frame bottom die 3 can be completely buckled with the fixed upper die 5, the first bending upper die 7 and the second bending upper die 8.

[0027] Working principle: when the motor car door frame is made, first of all, the positioning process blocks are reserved on both sides of the motor car door frame, when the door frame is processed, first of all, the door frame blank is placed in the inside of the door frame bottom die 3, and the two positioning process blocks are located in the limiting grooves 10 of the door frame bottom die 3, at this time, the operator starts the fixed hydraulic device 11, the fixed hydraulic device 11 drives the fixed upper die 5 to move downward along the two fixed sliding rods 4, until the fixed upper die 5 is buckled with the door frame bottom die 3, then the operator starts the two bending hydraulic devices 12, the two bending hydraulic devices 12 drive the first bending upper die 7 and the second bending upper die 8 to move downward along the bending sliding rods 6 respectively, until the first bending upper die 7 and the second bending upper die 8 are buckled with the door frame bottom die 3 at the same time, the flat door frame blank is stamped into a bending one, the fixed hydraulic device 11 and the bending hydraulic device 12 are retracted, the operator takes down the stamped door frame blank and removes the positioning process blocks through polishing, at this time, the processing of the door frame in this process is completed.

[0028] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A mold for processing a door frame of a bullet train, comprising: Stamping bottom plate (1) and stamping top plate (2), the stamping bottom plate (1) and the stamping top plate (2) are placed in parallel, and the stamping bottom plate (1) and the stamping top plate (2) are connected by a stand column, characterized in that the upper wall surface of the stamping bottom plate (1) is fixed with a door frame bottom die (3) through bolts, a fixed upper die structure is installed between the stamping bottom plate (1) and the stamping top plate (2), and a bending upper die structure is installed between the stamping bottom plate (1) and the stamping top plate (2). The fixed upper die structure comprises two fixed slide rods (4) and a fixed upper die (5). The two fixed slide rods (4) are installed between the stamping bottom plate (1) and the stamping top plate (2), and the fixed upper die (5) is movably sleeved outside the two fixed slide rods (4).

2. The mold for processing a door frame of a bullet train according to claim 1, wherein The bending upper die structure comprises four bending slide rods (6), a first bending upper die (7), a second bending upper die (8) and two connecting seats (9). The four bending slide rods (6) are installed between the stamping bottom plate (1) and the stamping top plate (2), the first bending upper die (7) and the second bending upper die (8) are movably sleeved outside the bending slide rods (6) respectively, and the two connecting seats (9) are installed on the upper wall surfaces of the first bending upper die (7) and the second bending upper die (8) respectively.

3. The mold for machining a door frame of a bullet train according to claim 1, wherein The upper wall surface of the door frame bottom die (3) is provided with two limiting grooves (10).

4. The mold for machining a door frame of a bullet train according to claim 1, wherein The inside of the stamping top plate (2) is provided with a fixed hydraulic device (11), and the driving end of the fixed hydraulic device (11) is connected with the fixed upper die (5).

5. The mold for machining a door frame of a bullet train according to claim 1, wherein The inside of the stamping top plate (2) is provided with two bending hydraulic devices (12), and the driving ends of the two bending hydraulic devices (12) are connected with the first bending upper die (7) and the second bending upper die (8) respectively.

6. The mold for machining a door frame of a bullet train according to claim 1, wherein The door frame bottom die (3) can be completely buckled with the fixed upper die (5), the first bending upper die (7) and the second bending upper die (8).

Images