CN216151024U

CN216151024U - Die device for valve casting

Info

Publication number: CN216151024U
Application number: CN202121787402.2U
Authority: CN
Inventors: 佟宝会
Original assignee: Tianjin Kunta Technology Co ltd
Current assignee: Tianjin Kunta Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-04-01
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a die device for casting a valve, which comprises a base, wherein the upper surface of the base is fixedly connected with a first ejector rod and two second ejector rods; a lower die is arranged above the base, an upper die is arranged above the lower die, a lower die cavity is arranged on the upper side surface of the lower die, and an upper die cavity is arranged on the lower side surface of the upper die; the inside of die cavity and last die cavity is provided with main core and side core down, the quantity of side core has two and both ends to be the square head. According to the utility model, the sliding cushion block with the balls is cushioned between the lower die and the base and is respectively supported to the square heads of the main die core and the side die core by the first ejector rod and the second ejector rod, after the casting is finished and the upper die is taken down, the sliding cushion block is pulled out, the main die core and the side die core are jacked by the first ejector rod and the second ejector rod after the lower die is descended, so that a cast part is separated from the lower die cavity, and the device is very convenient.

Description

Die device for valve casting

Technical Field

The utility model relates to the field of valve production, in particular to a die device for valve casting.

Background

Casting refers to a processing mode of melting solid metal into liquid, pouring the liquid into a casting mold with a specific shape, and solidifying and forming the liquid.

Make at casting production valve, need use the casting mould that corresponds rather than inner structure, traditional casting mould has the problem that drawing is inconvenient and the unable used repeatedly of core after drawing when using the core to cast, consequently need upgrade to it and reform transform.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a die device for valve casting.

In order to achieve the purpose, the utility model adopts the following technical scheme: the die device for casting the valve comprises a base, wherein the upper surface of the base is fixedly connected with a first ejector rod and two second ejector rods, and the upper surface of the base is provided with a sliding cushion block;

a lower die is arranged above the base, an upper die is arranged above the lower die, a lower die cavity is arranged on the upper side surface of the lower die, and an upper die cavity is arranged on the lower side surface of the upper die;

the utility model discloses a mould core, including lower die cavity, last die cavity, side core, main core, the one end of main core becomes the sphere, and the other end is the square head, the square head of side core one end inserts in the recess of main core sphere department tangent plane.

As a further description of the above technical solution:

the lower side surface of the sliding cushion block is provided with a ball, and the ball is in rolling connection with the upper surface of the base.

As a further description of the above technical solution:

the side face, located on the front side of the base, of the sliding cushion block is fixedly connected with a first handle.

As a further description of the above technical solution:

the left side surface and the right side surface of the lower die are both fixedly connected with second handles, and the left side surface and the right side surface of the upper die are both fixedly connected with third handles.

As a further description of the above technical solution:

the square head of the side mold core far away from the main mold core and the square head of the main mold core are clamped between the lower mold cavity and the upper mold cavity.

As a further description of the above technical solution:

the upper end of the first ejector rod penetrates through the lower die and is located below the square head of the main die core.

As a further description of the above technical solution:

and the upper ends of the two second ejector rods penetrate through the lower die and are respectively positioned below the square heads of the two side cores.

As a further description of the above technical solution:

the upper die is provided with an exhaust channel, a casting channel and a casting opening, the casting channel is communicated with the casting opening and the upper die cavity, and the exhaust channel is vertically communicated with the upper die cavity downwards.

The utility model has the following beneficial effects:

1. compared with the prior art, the die device for casting the valve is padded between the lower die and the base through the sliding cushion block with the balls, the first ejector rod and the second ejector rod respectively support the square heads of the main die core and the side die core, after the upper die is cast and taken down, the sliding cushion block is pulled out, the main die core and the side die core are jacked up by the first ejector rod and the second ejector rod after the lower die is lowered, and a cast part is separated from the lower die cavity very conveniently.

2. Compared with the prior art, according to the die device for valve casting, the side core can be directly inserted into the main core and separated after casting is completed, so that the side core and the main core can be taken out for reuse without smashing the core.

Drawings

Fig. 1 is a schematic structural view of a die device for casting a valve according to the present invention;

fig. 2 is a first cross-sectional view of a die assembly for casting a valve according to the present invention;

fig. 3 is a second cross-sectional view of the die assembly for casting a valve according to the present invention;

fig. 4 is a schematic view of a slide rail of the die device for casting a valve according to the present invention.

Illustration of the drawings:

1. a base; 101. a first ejector rod; 102. a second ejector rod; 2. a sliding cushion block; 201. a ball bearing; 202. a first handle; 3. a lower die; 301. a lower die cavity; 302. a second handle; 4. an upper die; 401. an upper mold cavity; 402. an exhaust passage; 403. a third handle; 404. a casting channel; 405. a casting gate; 5. a primary core; 6. and (4) a side core.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, one embodiment of the present invention is provided: the die device for casting the valve comprises a base 1, wherein the upper surface of the base 1 is fixedly connected with a first ejector rod 101 and two second ejector rods 102, the upper end of the first ejector rod 101 penetrates through a lower die 3 and is positioned below the square head of a main core 5, the upper ends of the two second ejector rods 102 penetrate through the lower die 3 and are respectively positioned below the square heads of two side cores 6, after casting is completed, an upper die 4 is pulled upwards from a third handle 403 to be separated from the lower die 3, then a sliding cushion block 2 is pulled away from a position between the lower die 3 and the base 1 from a first handle 202, at the moment, the lower die 3 begins to fall under the action of gravity, so that the first ejector rod 101 and the second ejector rod 102 can take valve castings on the surfaces of the main core 5 and the side cores 6 out of a lower die cavity 301, the upper surface of the base 1 is provided with the sliding cushion block 2 for supporting below the lower die 3 and supporting below the lower die 3, the lower part of the lower die 3 is correspondingly propped against the corresponding square heads of the main die core 5 and the side die core 6 respectively, the lower side surface of the sliding cushion block 2 is provided with a ball 201, so that the sliding cushion block 2 is conveniently pulled out, the ball 201 is in rolling connection with the upper surface of the base 1, and the side surface of the sliding cushion block 2, which is positioned at the front side of the base 1, is fixedly connected with a first handle 202;

a lower die 3 is arranged above the base 1, an upper die 4 is arranged above the lower die 3, a lower die cavity 301 is arranged on the upper side surface of the lower die 3, an upper die cavity 401 is arranged on the lower side surface of the upper die 4, and the lower die cavity 301 and the upper die cavity 401 form a casting space;

lower die cavity 301 and last die cavity 401's inside is provided with main core 5 and side core 6, plays the internal support effect, and the quantity of side core 6 has two and both ends to be the square head, and main core 5's one end becomes the sphere, and the other end is the square head, and in the square head of 6 one ends of side core inserted main core 5 sphere department tangent plane's recess, the square head that main core 5 was kept away from to side core 6 and main core 5's square head all pressed from both sides tightly between lower die cavity 301 and last die cavity 401.

The left and right sides of the lower mold 3 are both fixedly connected with second handles 302, the lower mold 3 can be lifted from the second handles 302, the left and right sides of the upper mold 4 are both fixedly connected with third handles 403, and the upper mold 4 can be lifted from the third handles 403.

The upper die 4 is provided with an exhaust channel 402, a casting channel 404 and a casting opening 405, the casting channel 404 is communicated with the casting opening 405 and the upper die cavity 401, the exhaust channel 402 is vertically communicated with the upper die cavity 401 downwards, and molten metal enters between the lower die cavity 301 and the upper die cavity 401 through the casting channel 404 after being poured from the casting opening 405.

The working principle is as follows: after the sliding cushion block 2 is placed on the base 1, the lower die 3 passes through the first ejector rod 101 and the second ejector rod 102, so that after the main core 5 and the side core 6 are placed in the lower die cavity 301, the first ejector rod 101 and the second ejector rod 102 respectively correspondingly abut against the square heads of the main core 5 and the side core 6, after the upper die 4 is covered on the lower die 3, molten metal can be poured into the pouring gate 405, then the molten metal flows into the space between the lower die cavity 301 and the upper die cavity 401 from the pouring channel 404, heat dissipation is carried out through the exhaust channel 402 in the process, then the upper die 4 is removed from the upper part of the lower die 3, the sliding cushion block 2 is pulled out, at the moment, the lower die 3 slides downwards under the action of gravity, the main core 5 and the side core 6 are separated from the lower die cavity 301 with casting parts due to the action of the first ejector rod 101 and the second ejector rod 102, and after the side core 6 is separated from the two sides of the main core 5, the side core 6 can be separated, The primary core 5 is separated from the casting.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. Die set is used in valve casting, including base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with a first ejector rod (101) and two second ejector rods (102), and the upper surface of the base (1) is provided with a sliding cushion block (2);

a lower die (3) is arranged above the base (1), an upper die (4) is arranged above the lower die (3), a lower die cavity (301) is arranged on the upper side surface of the lower die (3), and an upper die cavity (401) is arranged on the lower side surface of the upper die (4);

lower die cavity (301) and the inside of last die cavity (401) are provided with main core (5) and side core (6), the quantity of side core (6) has two and both ends to be the square head, the one end of main core (5) becomes the sphere, and the other end is the square head, the square head of side core (6) one end is inserted in main core (5) sphere department tangent plane's recess.

2. The die set for valve casting of claim 1, wherein: the lower side surface of the sliding cushion block (2) is provided with a ball (201), and the ball (201) is in rolling connection with the upper surface of the base (1).

3. The die set for valve casting of claim 1, wherein: the side face, located on the front side of the base (1), of the sliding cushion block (2) is fixedly connected with a first handle (202).

4. The die set for valve casting of claim 1, wherein: the left side surface and the right side surface of the lower die (3) are fixedly connected with second handles (302), and the left side surface and the right side surface of the upper die (4) are fixedly connected with third handles (403).

5. The die set for valve casting of claim 1, wherein: the square head of the side core (6) far away from the main core (5) and the square head of the main core (5) are clamped between the lower die cavity (301) and the upper die cavity (401).

6. The die set for valve casting of claim 1, wherein: the upper end of the first ejector rod (101) penetrates through the lower die (3) and is located below the square head of the main core (5).

7. The die set for valve casting of claim 1, wherein: the upper ends of the two second ejector rods (102) penetrate through the lower die (3) and are respectively positioned below the square heads of the two side cores (6).

8. The die set for valve casting of claim 1, wherein: the upper die (4) is provided with an exhaust channel (402), a casting channel (404) and a casting opening (405), the casting channel (404) is communicated with the casting opening (405) and the upper die cavity (401), and the exhaust channel (402) is vertically communicated with the upper die cavity (401) downwards.