CN209035854U - Weld industry device for EMU side wall door pillar - Google Patents

Abstract

The welding deformation control device for the side wall and door pillar of the EMU relates to the welding technology field of the side wall and the door pillar of the rail vehicle. A linear guide, two slides, lifting screws and two clamping mechanisms. The utility model realizes that the distance between the two angle positioning seats can be adjusted through the cooperation of the two angle positioning seats and the guide plate, thereby adapting to the welding of side walls and door posts of different heights; The combination of linear guide rail, two sliding plates, lifting screws and guide plate realizes that the supporting height of the two angle positioning seats can be adjusted, so as to adapt to the welding of doorposts of different widths; the device ensures the welding of doorposts through two clamping mechanisms. Flatness. The utility model reduces the labor intensity of the operator, improves the production efficiency and reduces the cost. When the model is changed, the structure can be adjusted according to the specific model, and the versatility is high.

Description

Welding deformation control device for side wall door post of EMU

technical field

The utility model relates to the technical field of welding a rail vehicle side wall and a door post, in particular to a welding deformation control device for a side wall and door post of an EMU.

Background technique

In the production process of the high-speed EMU car body, as shown in Figures 1 and 2, when the door pillar 11 and the side wall 12 are butt welded, since there is no fixed fixture, the door pillar 11 will produce angular deformation and deformation after welding. The phenomenon that the flatness and size are out of tolerance will affect the product quality.

In actual production, at present, only flame heating and manual hammering can be used for post-welding adjustment. During the adjustment and repair process, cracks are easily generated, and the labor intensity is large, which seriously affects the product quality, reduces the production efficiency, and lengthens the production cycle.

Utility model content

In order to solve the technical problems that the existing flame heating and manual hammering adjustment methods are easy to produce cracks, and the labor intensity is relatively large, which seriously affects the product quality, reduces the production efficiency, and lengthens the production cycle, the utility model provides a Welding deformation control device for door pillars on side walls of EMUs.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

The welding deformation control device for the side wall door post of the EMU includes a trolley, a guide plate, two angle positioning seats, a positioning plate, a supporting plate, a sliding locking plate, two linear guide rails, two sliding plates, lifting screws and Two clamping mechanisms, the trolley is a frame structure, and the bottom four corners are provided with wheels with brakes;

The guide plate is placed on the top platform of the trolley frame, the front part of the guide plate is provided with a T-shaped groove guide rail along its length direction, and the guide plate is provided with a screw hole on the center line of its long side;

The angle positioning seat is a seat-shaped structure, which includes a fixed seat plate and a backing plate. The seat plate is provided with a nut groove hole. The cooperation of the slot hole realizes the sliding connection with the guide plate;

The positioning plate is fixed on the backing plate, and the angle between the positioning plate and the seat plate is 90°+α, and α is the welding angle deformation amount reserved between the door post and the side wall of the EMU;

The bottom of the support plate is fixed on the top platform of the trolley frame, the two linear guide rails are respectively fixed on both ends of the support plate, and the linear guide rails are arranged perpendicular to the direction of the guide plate;

The two sliding plates are respectively slidably connected to the linear guide rails through the sliders on the back, and the lower parts of the two sliding plates are respectively fixed on the side walls of the rear part of the guide plate;

The lower part of the lifting screw is threadedly connected with the screw hole of the guide plate, one end of the sliding locking plate is fixedly connected to the middle part of the support plate, and the other end is threadedly connected with the upper part of the lifting screw;

The clamping mechanism includes a lift bracket and a lead screw clamp, the lower part of the lift bracket is fixedly connected to the side of the trolley frame, and the nut end of the lead screw clamp is fixed to the upper part of the lift bracket.

The beneficial effects of the utility model are: the device realizes that the distance between the two angle positioning seats can be adjusted through the cooperation of the two angle positioning seats and the guide plate, thereby adapting to the welding of side walls and door posts of different heights; The cooperation of the sliding locking plate, two linear guide rails, two sliding plates, lifting screws and guide plates realizes that the supporting height of the two angle positioning seats can be adjusted, thereby adapting to the welding of door posts of different widths; the device is clamped by two The mechanism ensures the flatness of the door post after welding.

After using the control device of the utility model, the labor intensity of the operator is reduced, the production efficiency is improved, the noise of the labor site is reduced while the welding quality of the parts is guaranteed, and the utility model is suitable for the needs of long-term operation and mass production, and reduces the cost. When the model is changed, the structure can be adjusted according to the specific model, and the versatility is high.

Description of drawings

Figure 1 is a schematic diagram of the structure after welding the side wall and the door pillar of the EMU.

Figure 2 is a schematic bottom view of the structure of the reserved angle deformation before the welding of the side wall and the door pillar of the EMU.

FIG. 3 is a schematic structural diagram of the welding deformation control device used for the side wall door post of the EMU according to the present invention.

FIG. 4 is a schematic structural diagram of the welding deformation control device for the side wall door post of the EMU of the present invention after removing the trolley and the two clamping mechanisms.

FIG. 5 is a schematic diagram of the explosion structure of FIG. 4 .

FIG. 6 is a schematic structural diagram of two clamping mechanisms in the present invention.

7 is a schematic diagram of the application structure of the welding deformation control device for the side wall door post of the EMU of the present invention.

FIG. 8 is a schematic side view of the structure of FIG. 7 .

Detailed ways

The present utility model will be further described in detail below in conjunction with the accompanying drawings.

As shown in FIGS. 3 to 6 , the welding deformation control device used for the side wall door post of the EMU includes: a trolley 1, a guide plate 2, two angle positioning seats 3, a positioning plate 4, a support plate 5, a sliding Locking plate 6, two linear guide rails 7, two sliding plates 8, lifting screws 9 and two clamping mechanisms 10, the trolley 1 is a frame structure, and the bottom four corners are provided with wheels with brakes.

The guide plate 2 is placed on the top platform of the frame of the trolley 1. The front part of the guide plate 2 is provided with a T-shaped groove guide rail 2-1 along its length direction. The guide plate 2 is provided with a screw hole 2-2 on the center line of its long side. .

The angle positioning seat 3 is a seat-shaped structure, which includes a fixed seat plate 3-1 and a backing plate 3-2. The seat plate 3-1 is provided with a nut groove hole 3-1-1, and two angle positioning The seat 3 is slidably connected to the guide plate 2 through the cooperation of a T-shaped bolt with the T-shaped groove guide rail 2-1 and the nut groove hole 3-1-1 respectively.

The positioning plate 4 is fixed on the backing plate 3-2, the angle between the positioning plate 4 and the seat plate 3-1 is 90°+α, and α is the welding angle reserved between the door post 11 and the side wall 12 of the EMU amount of deformation.

The bottom of the support plate 5 is fixed on the top platform of the frame of the trolley 1 .

The two sliding plates 8 are respectively slidably connected to the linear guide rail 7 through the sliding block on the back, and the lower parts of the two sliding plates 8 are respectively fixed on the side walls of the rear part of the guide plate 2 .

The lower part of the lifting screw 9 is threadedly connected with the screw hole 2-2 of the guide plate 2 , one end of the sliding locking plate 6 is fixedly connected to the middle part of the support plate 5 , and the other end is threadedly connected with the upper part of the lifting screw 9 .

The clamping mechanism 10 includes a lifting bracket 10-1 and a screw clamp 10-2. The lower part of the lifting bracket 10-1 is fixedly connected to the side of the frame of the trolley 1, and the screw nut end of the screw clamp 10-2 is fixed. Connected to the upper part of the lift bracket 10-1, the lift bracket 10-1 can use a structure similar to the principle of an antenna telescopic rod.

As shown in FIGS. 7 and 8 , when the utility model is used for the welding deformation control device of the side wall door post of the EMU, firstly, according to the height of the side wall 12 , the distance between the two angle positioning seats 3 is adjusted so as to make the The two angle positioning seats 3 effectively support the overall height of the side wall 12 and the door post 11. After the side wall 12 and the door post 11 are placed on the trolley 1 and the two angle positioning seats 3, the door post 11 is placed against the two positioning plates. 4, make an angle α between the door post 11 and the side wall 12; then according to the width of the door post 11, adjust the height of the two angle positioning seats 3 and the two clamping mechanisms 10, so that the two lead screws are clamped The device 10-2 clamps the parts of the door post 11 that are easy to be welded and deformed to prevent the flatness of the door post 11 from being affected by the welding deformation; after the side wall 12 and the door post 11 are clamped and positioned, welding begins. , After actual testing, the angle between the door post 11 and the side wall 12 meets the standard requirements, and the flatness of the door post 11 also meets the standard requirements.

Claims (1)

1. A welding deformation control device for a side wall door post of an EMU, characterized in that the device comprises a trolley (1), a guide plate (2), two angle positioning seats (3), a positioning plate (4), a support Plate (5), sliding locking plate (6), two linear guide rails (7), two sliding plates (8), lifting screws (9) and two clamping mechanisms (10), the trolley (1) is a frame structure , There are wheels with brakes at the bottom four corners; The guide plate (2) is placed on the top platform of the frame of the trolley (1). The front part of the guide plate (2) is provided with a T-slot guide rail (2-1) along its length direction, and the guide plate (2) is on the long side of the guide plate (2). There is a screw hole (2-2) on the center line; The angle positioning seat (3) is a seat-shaped structure, which includes a fixed seat plate (3-1) and a back plate (3-2), and a nut groove hole (3) is provided on the seat plate (3-1). -1-1), the two angle positioning seats (3) are matched with the guide plate (3-1-1) and the guide plate ( 2) Sliding connection; The positioning plate (4) is fixedly connected to the backing plate (3-2), and the included angle between the positioning plate (4) and the seat plate (3-1) is 90°+α, where α is the distance between the door post (11) of the EMU The welding angle deformation amount reserved between the side walls (12); The bottom of the support plate (5) is fixed on the top platform of the frame of the trolley (1), the two linear guide rails (7) are respectively fixed on both ends of the support plate (5), and the linear guide rails (7) are perpendicular to the guide plate ( 2) the direction setting; The two sliding plates (8) are respectively slidably connected with the linear guide rail (7) through the sliding block on the back, and the lower parts of the two sliding plates (8) are respectively fixed on the side wall of the rear part of the guide plate (2); The lower part of the lifting screw (9) is threadedly connected with the screw hole (2-2) of the guide plate (2). 9) The upper threaded connection; The clamping mechanism (10) includes a lift bracket (10-1) and a lead screw clamp (10-2). The lower part of the lift bracket (10-1) is fixedly connected to the side of the frame of the trolley (1), and the lead screw clamp The female end of the tightener (10-2) is fixedly connected to the upper part of the lifting bracket (10-1).