CN204396639U - The mold of pressure head before a kind of roll bending - Google Patents

Abstract

The invention relates to a mold for a pre-rolling indenter, which belongs to the technical field of steel plate pre-bending devices, and in particular to a mold for a pre-rolling indenter. The utility model provides a mold for the indenter before plate rolling, which can improve the forming quality and reduce the process margin of the indenter. The utility model includes an upper mold and a lower mold. The main points of the structure are that the upper mold includes a horizontal top plate, the middle part of the lower end of the top plate is provided with a vertical punching plate along the length direction of the top plate, and upper connecting grooves are arranged on both sides of the width direction of the top plate. The lower end of the punching plate is arc-shaped; the lower mold includes a transverse bottom plate, a first transverse baffle is arranged on one side of the width direction of the bottom plate, and a second transverse baffle is arranged on the other side of the width direction of the bottom plate corresponding to the first transverse baffle. The side of the first transverse baffle close to the middle of the bottom plate is provided with a horizontal movable round bar, the side of the second transverse baffle close to the middle of the bottom plate is fixed with a horizontal fixed round bar, and a horizontal movable round bar is arranged between the first transverse baffle and the first transverse baffle. Active stop.

Description

A tire mold for the front pressure head of the plate rolling

technical field

The utility model belongs to the technical field of steel plate pre-bending devices, in particular to a mold for a pre-rolling pressure head.

Background technique

Barrel forming is the use of bending plate method to produce various purposes, made of thin plate barrel or barrel section. The forming process uses a pair of adjustable rollers, which are adjusted according to the thickness of the steel plate, and the third roller, the bending roller, controls the diameter of the forming cylinder.

At present, there is no suitable auxiliary tool for the pre-bending of the indenter before rolling the thick-walled and small-diameter cylinder in the pressure vessel, so the rolling stress is large, the forming quality is low, and the process margin of the indenter is large.

Contents of the invention

The utility model aims at the above-mentioned problems, and provides a mold for the indenter before coiling, which can improve the molding quality and reduce the process margin of the indenter.

In order to achieve the above object, the utility model adopts the following technical scheme. The utility model includes an upper mold and a lower mold. The structural points of the upper mold include a horizontal top plate, and the middle part of the lower end of the top plate is provided with a vertical punching plate along the length direction of the top plate. There are upper connecting grooves on both sides in the width direction of the vertical punching plate, and the lower end of the vertical punching plate is arc-shaped.

The lower mold includes a transverse bottom plate, one side of the width direction of the bottom plate is provided with a first transverse baffle, and the other side of the width direction of the bottom plate is provided with a second transverse baffle corresponding to the first transverse baffle, and the first transverse baffle is close to the bottom plate A horizontally movable round rod is arranged on one side of the middle part, a horizontally fixed round rod is fixed on the side of the second lateral baffle close to the middle of the bottom plate, and a movable stopper is arranged between the laterally movable round rod and the first lateral baffle; the width of the lateral bottom plate There are lower connecting grooves arranged on both sides of the direction.

As a preferred solution, the lower end of the top plate of the utility model is welded to both sides of the upper end of the vertical punching plate.

As another preferred solution, inclined ribs are arranged between both sides of the upper part of the vertical punching plate and the lower end of the top plate of the utility model, vertical ribs are arranged in the middle of the vertical punching plate, and the upper end of the vertical punching plate is connected to the upper end of the top plate. The lower ends of the inclined ribs are fixedly connected.

As another preferred solution, the combinations of inclined ribs and vertical ribs described in the present invention are multiple, which are evenly distributed along the length direction of the vertical punching plate.

As another preferred solution, there are multiple upper connecting grooves in the utility model, which are evenly distributed along the length direction of the top plate; the shape of the upper connecting grooves is U-shaped.

As another preferred solution, the first transverse baffle of the present invention is provided with a first triangular stop near the end of the bottom plate, and the second transverse baffle is provided with a second triangular stop near the end of the bottom plate.

Secondly, the first triangular stopper and the second triangular stopper described in the utility model are multiple, and are evenly distributed along the length direction of the bottom plate.

In addition, there are multiple lower connecting grooves in the utility model, which are evenly distributed along the length direction of the bottom plate; the shape of the lower connecting grooves is U-shaped.

The utility model has beneficial effects.

The middle part of the lower end of the top plate of the utility model is provided with a vertical punching plate along the length direction of the top plate, and the lower end of the vertical punching plate is arc-shaped; it is convenient for pre-bending punching.

Both sides of the top plate in the width direction of the utility model are provided with upper connection grooves, which facilitate the connection of the upper mold and the hydraulic machine.

The lower end of the vertical punching plate of the utility model is arc-shaped; it is convenient for pre-bending pressing.

The side of the first transverse baffle of the utility model near the middle of the bottom plate is provided with a transverse movable round bar, and a movable block is arranged between the transverse movable round bar and the first transverse baffle; diameter, flexible use.

The utility model is provided with lower connection grooves on both sides in the width direction of the transverse bottom plate; it is convenient for the connection of the lower mold tool and the hydraulic machine.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments. The scope of protection of the utility model is not limited to the expression of the following content.

Fig. 1 is a structural schematic diagram of the upper mold of the utility model.

Fig. 2 is a side view of the upper mold of the utility model.

Fig. 3 is a plan view of the upper mold of the utility model.

Fig. 4 is a schematic diagram of the structure of the lower mold of the utility model.

Fig. 5 is a side view of the lower mold of the utility model.

Fig. 6 is a plan view of the lower mold of the utility model.

In the figure, 1 is the vertical rib plate, 2 is the vertical punching plate, 3 is the inclined rib plate, 4 is the top plate, 5 is the upper connection groove, 6 is the first transverse baffle, 7 is the first triangular stopper, 8 is the Lower connecting groove, 9 are base plates, 10 are movable round bars, and 11 are fixed round bars.

Detailed ways

As shown in the figure, the utility model includes an upper mold and a lower mold. The main points of the structure are that the upper mold includes a horizontal top plate, and the middle part of the lower end of the top plate is provided with a vertical punching plate along the length direction of the top plate. The connecting groove and the lower end of the vertical punching plate are arc-shaped.

The lower mold includes a transverse bottom plate, one side of the width direction of the bottom plate is provided with a first transverse baffle, and the other side of the width direction of the bottom plate is provided with a second transverse baffle corresponding to the first transverse baffle, and the first transverse baffle is close to the bottom plate A horizontally movable round rod is arranged on one side of the middle part, a horizontally fixed round rod is fixed on the side of the second lateral baffle close to the middle of the bottom plate, and a movable stopper is arranged between the laterally movable round rod and the first lateral baffle; the width of the lateral bottom plate There are lower connecting grooves arranged on both sides of the direction.

The lower end of the top plate is welded to both sides of the upper end of the vertical punching plate; the connection is firm.

An inclined rib plate is arranged between both sides of the upper part of the vertical punching plate and the lower end of the top plate, a vertical rib plate is arranged in the middle of the vertical punching plate, and the upper end of the vertical rib plate is fixedly connected with the lower end of the inclined rib plate. The inclined ribs and vertical ribs are set to make the structure stronger.

The combination of the inclined rib plate and the vertical rib plate is multiple, which are evenly distributed along the length direction of the vertical punching plate.

There are multiple upper connecting grooves, which are evenly distributed along the length direction of the top plate; the shape of the upper connecting grooves is U-shaped. The U-shaped connecting groove is provided to facilitate the connection of the upper mold and the pressure output end of the hydraulic press.

A first triangular block is provided on the side of the first transverse baffle close to the end of the bottom plate, and a second triangular stop is provided on the side of the second transverse baffle close to the end of the bottom plate. The triangular stopper is set to make the structure more firm.

Both the first triangular stopper and the second triangular stopper are plural, and are evenly distributed along the length direction of the bottom plate.

There are a plurality of lower connecting grooves, which are evenly distributed along the length direction of the bottom plate; the shape of the lower connecting grooves is U-shaped.

The working process of the present utility model is illustrated below in conjunction with accompanying drawings.

Assemble the upper mold and the lower mold of the utility model on the upper and lower pressure output ends of the large hydraulic press (more than 1000 tons) through the horizontal top plate and the horizontal bottom plate respectively, and then select according to the thickness of the rolled steel plate and the rolled diameter Appropriate pressure and the distance between movable round rods and fixed round rods (adjusted by replacing, installing and disassembling movable stoppers). Finally, the pressure head of the rolled steel plate is placed on the movable round bar and the fixed round bar, and the hydraulic press is operated to press the vertical punching plate down on the pressure head of the rolled steel plate between the movable round bar and the fixed round bar to form a press.

It can be understood that the above specific description of the utility model is only used to illustrate the utility model and is not limited to the technical solutions described in the embodiments of the utility model. Those of ordinary skill in the art should understand that the utility model can still be Modifications or equivalent replacements are carried out to achieve the same technical effect; as long as the needs of use are met, they are all within the protection scope of the present utility model.

Claims (8)

1. A mold for the indenter before coiling, comprising an upper mold and a lower mold, characterized in that the upper mold includes a horizontal top plate, the middle part of the lower end of the top plate is provided with a vertical punching plate along the length direction of the top plate, and the width direction of the top plate is two There is an upper connection groove on the side, and the lower end of the vertical punching plate is arc-shaped; The lower mold includes a transverse bottom plate, one side of the width direction of the bottom plate is provided with a first transverse baffle, and the other side of the width direction of the bottom plate is provided with a second transverse baffle corresponding to the first transverse baffle, and the first transverse baffle is close to the bottom plate A horizontally movable round rod is arranged on one side of the middle part, a horizontally fixed round rod is fixed on the side of the second lateral baffle close to the middle of the bottom plate, and a movable stopper is arranged between the laterally movable round rod and the first lateral baffle; the width of the lateral bottom plate There are lower connecting grooves arranged on both sides of the direction. 2. A mold for the indenter before coiling according to claim 1, characterized in that the lower end of the top plate is welded to both sides of the upper end of the vertical punching plate. 3. According to claim 2, a mold for the indenter before coiling is characterized in that inclined ribs are arranged between the upper two sides of the vertical punching plate and the lower end of the top plate, and vertical ribs are arranged in the middle of the vertical punching plate. The vertical rib plate, the upper end of the vertical rib plate is fixedly connected with the lower end of the inclined rib plate. 4. A mold for the indenter before rolling the plate according to claim 3, characterized in that the combination of the inclined rib plate and the vertical rib plate is multiple, uniformly distributed along the length direction of the vertical punching plate. 5. A mold for the indenter before coiling according to claim 4, characterized in that there are a plurality of upper connecting grooves uniformly distributed along the length direction of the top plate; the shape of the upper connecting grooves is U-shaped. 6. According to claim 5, a mold for the indenter before coiling is characterized in that a first triangular block is provided on the side of the first transverse baffle close to the end of the bottom plate, and the second transverse baffle is close to the end of the bottom plate. There is a second triangular block on one side of the head. 7 . The mold of the indenter before coiling according to claim 6 , wherein the first triangular stopper and the second triangular stopper are multiple, uniformly distributed along the length direction of the bottom plate. 8 . A mold for the indenter before coiling according to claim 7 , characterized in that there are a plurality of lower connecting grooves distributed uniformly along the length direction of the bottom plate; the shape of the lower connecting grooves is U-shaped.