CN220311693U

CN220311693U - Mould for flange

Info

Publication number: CN220311693U
Application number: CN202321681906.5U
Authority: CN
Inventors: 李娟�; 李光明; 徐净
Original assignee: Yangzhou Baide Forging Co ltd
Current assignee: Yangzhou Baide Forging Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2024-01-09
Anticipated expiration: 2033-06-29

Abstract

The utility model provides a die for a flange, which belongs to the technical field of flange dies and comprises a base, a lower die and an upper die, wherein the lower die is fixedly connected to the upper side of the base through a positioning column; realize breaking away from the flange spare automatically, need not manual drawing of patterns, compare current beating, inner core drawing of patterns, efficiency is higher, and reduces staff direct contact drawing of patterns, the security is higher.

Description

Mould for flange

Technical Field

The utility model belongs to the technical field of flange molds, and particularly relates to a mold for a flange.

Background

The flange is called flange disc or flange, which is the part of the connection between the shafts for the connection between the pipe ends; the flange is also used on the inlet and outlet of the equipment, is used for connecting two equipment, such as a speed reducer flange, a flange joint or a flange joint, and refers to the detachable connection formed by mutually connecting the flange, a gasket and a bolt as a group of combined sealing structures, the pipeline flange refers to the flange for the piping in the pipeline device, and the flange used on the equipment refers to the inlet and outlet flange of the equipment.

The prior art discloses chinese patent with application number CN201310236408.4, discloses a flange casting mold, which comprises: the die comprises an outer die, an inner die and a bottom die, wherein the outer die, the inner die and the bottom die are combined to form a flange-shaped cavity, an iron core is arranged on the bottom die in the cavity and used for casting a hole on the flange, and the inner core is detachably connected to the bottom die.

The flange casting mould can take down flange and inner core from die block in the lump when the die sinking, then take down the inner core from the flange alone after the drawing of patterns, current drawing of patterns mode needs to take out inner core and flange together, then separates flange and inner core, can not automatic drawing of patterns, and the mode is comparatively loaded down with trivial details, and work efficiency is not high, and we propose a mould for flange for this reason.

Disclosure of Invention

The utility model aims to provide a die for a flange, which aims to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a mould for flange, includes base, bed die and last mould, its characterized in that, the bed die passes through reference column fixed connection in the upside of base, it sets up in the upside of bed die to go up the mould through the reference column liftable, the top of bed die is provided with the inner core, spacing hole has been seted up to the lower inner wall of inner core, sliding connection has the straight-bar in the spacing hole, the upper end fixedly connected with backing plate of straight-bar, the backing plate is located the inner core, be provided with demoulding mechanism between base and the bed die, demoulding mechanism is used for promoting the backing plate and upwards moves, makes cast flange and bed die separate in order to reach the purpose of automatic drawing of patterns then.

As a preferred embodiment of the present utility model, the demolding mechanism includes:

the horizontal sliding rail is fixedly connected to the top of the base;

the mounting frame is connected to the upper side of the mounting frame in a sliding way, two inclined rails are arranged between the transverse plates, and the surfaces of the two inclined rails are connected with sliding sleeves in a sliding way;

the positioning seat is positioned between the base and the lower die, the lower end of the straight rod is fixedly connected in the positioning seat, and the positioning seat is fixedly connected between the two sliding sleeves; and

the first electric push rod is fixedly connected to the top of the base, and the extension end of the first electric push rod is fixedly connected to one side of the mounting frame.

As a preferable mode of the utility model, the backing plate is in seamless fit with the lower inner wall of the inner core.

As a preferable scheme of the utility model, the top of the base is fixedly connected with a second electric push rod, and the extension end of the second electric push rod penetrates through the lower die and is fixedly connected with the bottom of the upper die.

As a preferable scheme of the utility model, the positioning columns are provided with four positioning columns which are distributed at four corners of the base.

As a preferable scheme of the utility model, the top of the upper die is provided with a casting hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. this scheme molten metal gets into the inner core in and forms the flange spare, wait that the flange spare cooling back goes up mould and separates with the bed die, then promote the mounting bracket overall movement through first electric putter, the inclined rail is the slope structure, under the restriction of horizontal slide rail, the horizontal rectilinear movement of inclined rail, two sliding sleeves are along with the removal upward movement of inclined rail, drive straight-bar upward movement then, make the backing plate can upwards promote the flange spare, flange spare and bed die separation, realize breaking away from the flange spare voluntarily, need not manual drawing of patterns, the current beating formula of beating, the inner core drawing of patterns, efficiency is higher, and reduce staff direct contact drawing of patterns, the security is higher.

2. According to the scheme, the extension end of the second electric push rod can drive the upper die to move up and down, so that the upper die and the lower die are closed and separated, and the automatic operation is realized without manual separation.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a diagram of the lower die structure of the present utility model;

FIG. 4 is a schematic view of a demolding mechanism of the present utility model;

fig. 5 is an exploded view of fig. 4 in accordance with the present utility model.

In the figure: 1. a base; 2. a lower die; 201. an inner core; 3. an upper die; 301. casting the hole; 4. positioning columns; 5. a limiting hole; 6. a backing plate; 7. a straight rod; 8. a positioning seat; 9. a horizontal slide rail; 10. a mounting frame; 11. a ramp; 12. a sliding sleeve; 13. a first electric push rod; 14. and the second electric push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 5, the technical solution provided in this embodiment is as follows:

the utility model provides a mould for flange, including base 1, bed die 2 and last mould 3, bed die 2 passes through reference column 4 fixed connection in the upside of base 1, go up mould 3 through reference column 4 liftable setting in the upside of bed die 2, the top of bed die 2 is provided with inner core 201, spacing hole 5 has been seted up to the lower inner wall of inner core 201, sliding connection has straight-bar 7 in spacing hole 5, the upper end fixedly connected with backing plate 6 of straight-bar 7, backing plate 6 is located inner core 201, be provided with demoulding mechanism between base 1 and the bed die 2, demoulding mechanism is used for promoting backing plate 6 and upwards moves, make cast flange and bed die 2 separate in order to reach the purpose of automatic drawing of patterns then.

In the specific embodiment of the utility model, the base 1 is used for supporting the lower die 2 and the upper die 3, the lower die 2 is fixed at the center of the lower die 2, a hollow structure exists between the inner core 201 and the upper die 3, when the die is used, the lower die 2 and the upper die 3 are closed, molten metal is added from the casting hole 301, the molten metal enters the inner core 201 to form a flange part, after the flange part is cooled, the upper die 3 is separated from the lower die 2 upwards, then the first electric push rod 13 pushes the mounting frame 10 to integrally move, the inclined rail 11 is of an inclined structure, under the limitation of the horizontal slide rail 9, the inclined rail 11 horizontally and linearly moves, and the two sliding sleeves 12 move upwards along with the movement of the inclined rail 11, then the straight rod 7 is driven to move upwards, so that the base plate 6 can push the flange part upwards, the flange part is separated from the lower die 2, automatic separation of the flange part is realized, compared with the prior beating type and inner core type demoulding, the efficiency is higher, and the direct contact demoulding of workers is reduced, and the safety is higher.

Specifically, the demoulding mechanism comprises:

a horizontal slide rail 9 fixedly connected to the top of the base 1;

the mounting frame 10 is connected to the upper side of the mounting frame 10 in a sliding way, two inclined rails 11 are arranged between the transverse plates of the mounting frame 10, and the surfaces of the two inclined rails 11 are connected with sliding sleeves 12 in a sliding way;

the positioning seat 8 is positioned between the base 1 and the lower die 2, the lower end of the straight rod 7 is fixedly connected in the positioning seat 8, and the lower end of the straight rod is fixedly connected between the two sliding sleeves 12; and

the first electric push rod 13 is fixedly connected to the top of the base 1, and the extension end of the first electric push rod is fixedly connected to one side of the mounting frame 10.

In the specific embodiment of the utility model, the horizontal sliding rail 9 and the first electric push rod 13 are both fixed at the top of the base 1, at least two first electric push rods 13 are arranged, enough pushing force is kept, the installation frame 10 moves linearly under the limit of the horizontal sliding rail 9, the inclined rail 11 is of an inclined structure, under the pushing of the first electric push rods 13, the inclined rail 11 follows the installation frame 10 to move linearly along the upper side of the horizontal sliding rail 9, the inclined rail 11 pushes the sliding sleeve 12 to lift, the sliding sleeve 12 pushes the positioning seat 8 to lift, the positioning seat 8 pushes the straight rod 7 to lift, finally the base plate 6 lifts and falls, the base plate 6 moves downwards to be attached to the lower inner wall of the inner core 201, the flange piece is cast by matching with the inner core 201, and after casting is finished, the base plate 6 moves upwards to push the flange piece to be separated from the lower die 2, so that the purpose of automatic demoulding is achieved.

Specifically, the pad 6 is seamlessly attached to the lower inner wall of the core 201.

In the embodiment of the present utility model, in the initial state, the backing plate 6 is attached to the lower inner wall of the inner core 201, and the shape of the backing plate 6 is the same as the shape of the lower inner wall of the inner core 201, so that the flange casting work is not affected.

Specifically, the top of the base 1 is fixedly connected with a second electric push rod 14, and the extension end of the second electric push rod 14 penetrates through the lower die 2 and is fixedly connected to the bottom of the upper die 3.

In the embodiment of the utility model, two second electric push rods 14 are arranged near two sides of the base 1, and the upper die 3 can be driven to move up and down through the extension ends of the second electric push rods 14, so that the upper die 3 and the lower die 2 are closed and separated, and the operation is automatic without manual separation.

Specifically, the positioning columns 4 are provided with four positioning columns, which are distributed at four corners of the base 1.

In the embodiment of the utility model, the positioning columns 4 are used for supporting the lower die 2 and the upper die 3, the lower die 2 is fixed at the top of the base 1 under the limit of the positioning columns 4, the top of the positioning columns 4 penetrates through the upper die 3, the upper die 3 is slidably connected between the four positioning columns 4, the upper die 3 is limited to linearly move, and the upper die 3 cannot deviate when being butted with the lower die 2.

Specifically, the top of the upper mold 3 is provided with a casting hole 301.

In an embodiment of the present utility model, the inner diameter of the casting hole 301 is gradually reduced, and molten metal is poured into the casting hole 301 during casting, and the molten metal enters the inner core 201 to form a flange member.

Working principle: when the die is used, the lower die 2 and the upper die 3 are closed, molten metal is added from the casting hole 301, the molten metal enters the inner core 201 to form a flange, the upper die 3 is separated from the lower die 2 upwards after the flange is cooled, then the mounting frame 10 is pushed to move integrally by the first electric push rod 13, the inclined rail 11 is of an inclined structure, under the limit of the horizontal slide rail 9, the inclined rail 11 moves horizontally and linearly, the two sliding sleeves 12 move upwards along with the movement of the inclined rail 11, then the straight rod 7 is driven to move upwards, the base plate 6 can push the flange upwards, the flange is separated from the lower die 2, the flange is automatically separated, manual demolding is not needed, compared with the existing knock-type and inner core demolding, the efficiency is higher, the direct contact demolding of workers is reduced, and the safety is higher.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a mould for flange, includes base (1), bed die (2) and last mould (3), its characterized in that, bed die (2) pass through reference column (4) fixed connection in the upside of base (1), go up mould (3) through reference column (4) liftable set up in the upside of bed die (2), the top of bed die (2) is provided with inner core (201), spacing hole (5) have been seted up to the lower inner wall of inner core (201), sliding connection has straight-bar (7) in spacing hole (5), the upper end fixedly connected with backing plate (6) of straight-bar (7), backing plate (6) are located inner core (201), be provided with demoulding mechanism between base (1) and the bed die (2), demoulding mechanism is used for promoting backing plate (6) and upwards moves, makes the flange of casting and separation of bed die (2) in order to reach the purpose of automatic drawing of patterns.

The demoulding mechanism comprises:

the horizontal sliding rail (9) is fixedly connected to the top of the base (1);

the mounting frame (10) is connected to the upper side of the mounting frame (10) in a sliding way, two inclined rails (11) are arranged between the transverse plates, and the surfaces of the two inclined rails (11) are connected with sliding sleeves (12) in a sliding way;

the positioning seat (8) is positioned between the base (1) and the lower die (2), the lower end of the straight rod (7) is fixedly connected in the positioning seat (8), and the lower end of the straight rod is fixedly connected between the two sliding sleeves (12); and the first electric push rod (13) is fixedly connected to the top of the base (1), and the extension end of the first electric push rod is fixedly connected to one side of the mounting frame (10).

2. A mold for flanges according to claim 1, characterized in that: the backing plate (6) is in seamless fit with the lower inner wall of the inner core (201).

3. A mold for flanges according to claim 2, characterized in that: the top of base (1) fixedly connected with second electric putter (14), the extension end of second electric putter (14) runs through bed die (2) and fixedly connected with the bottom of last mould (3).

4. A mold for flanges according to claim 3, characterized in that: the positioning columns (4) are arranged at four corners of the base (1).

5. A mold for flanges according to claim 4, characterized in that: and a casting hole (301) is formed in the top of the upper die (3).