CN212760981U

CN212760981U - Sliding block die

Info

Publication number: CN212760981U
Application number: CN202021275545.0U
Authority: CN
Inventors: 李明伟
Original assignee: Zhejiang Huaqiang Casting & Forging Co ltd
Current assignee: Zhejiang Huaqiang Casting & Forging Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-23
Anticipated expiration: 2030-07-03

Abstract

The utility model relates to the technical field of molds, in particular to a slider mold, which comprises a lower mold box, wherein a molding sand layer is filled inside the lower mold box, an upper mold box is arranged right above the lower mold box, the upper mold box is of a bottom opening structure, the molding sand layer is filled inside the upper mold box, and a cavity pressing mechanism is arranged between the lower mold box and the upper mold box; the cavity pressing mechanism comprises a base plate, the top end and the bottom end of the base plate are respectively fixedly connected with a first cavity block and a second cavity block, the first cavity block can press a part of slide block cavity at the bottom end of a molding sand layer of an upper mold box, the second cavity block can press another part of slide block cavity in the molding sand layer of a lower mold box, the part of slide block cavity in the lower mold box and the part of slide block cavity in the upper mold box form a complete slide block cavity, a first core block is inserted into the part of slide block cavity in the lower mold box, a second core block is inserted into the side face of the first core block, a pouring gate is arranged on the inner side of the upper mold box, and metal liquid. The utility model discloses simple structure is worth promoting.

Description

Sliding block die

Technical Field

The utility model relates to the technical field of mold, especially, relate to a slider mould.

Background

The mould is a tool for manufacturing a molded article, the tool is composed of various parts, a slide block with a larger size is generally produced by casting, the existing slide block production mould basically adopts a pressing mould with the same shape as the slide block, the shape of the slide block is pressed in a mould box, then molten metal is injected to prepare a slide block casting, but the existing slide block is generally complex in shape, the slide block is required to be divided into a plurality of parts which are respectively arranged in a plurality of mould boxes, so that the pressing moulds at different parts of the slide block are required to be adopted to respectively press corresponding shapes in the plurality of mould boxes, and more time is required for manufacturing the slide block casting.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the slider cavity needs to spend longer time when the moulding-die of the difference of repetitious usage who exists presses into in the mould case, and the slider mould that proposes.

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

designing a slide block die, which comprises a lower die box, wherein a molding sand layer is filled in the lower die box, an upper die box is arranged right above the lower die box, the upper die box is of a bottom opening structure, the molding sand layer is filled in the upper die box, and a cavity pressing mechanism is arranged between the lower die box and the upper die box; the die cavity mechanism comprises a substrate, a first cavity block and a second cavity block are fixedly connected to the top end and the bottom end of the substrate respectively, the first cavity block can press part of a slide block cavity at the bottom end of a molding sand layer of an upper die box, the second cavity block can press another part of the slide block cavity in the molding sand layer of a lower die box, the part of the slide block cavity in the lower die box and the part of the slide block cavity in the upper die box form a complete slide block cavity, a first core block is inserted into the part of the slide block cavity in the lower die box, a second core block is inserted into the side face of the first core block, and a pouring gate is opened on the inner side of the upper die box and used for introducing metal liquid into the slide.

Preferably, eight risers are arranged in part of the sliding block cavity of the upper mold box, wherein four risers are located in the middle of the sliding block, the other four risers are uniformly distributed at two ends of the sliding block, and two risers are arranged at one end of the sliding block.

Preferably, a cross gate is arranged on the side surface of the upper die box, and an inner gate is respectively communicated with the cross gate and two ends of the slider cavity.

Preferably, the top end of the substrate is fixedly connected with at least one first positioning block, a positioning hole is formed in the position, opposite to the first positioning block, of the upper mold box, and the first positioning block is matched with the positioning hole.

Preferably, the top end of the lower die box is fixedly connected with a second positioning block opposite to the bottom end of the first positioning block on the base plate, the first positioning block at the bottom end of the base plate is provided with a fixing hole, and the second positioning block can be inserted into the fixing hole.

The utility model provides a pair of slider mould, beneficial effect lies in:

the utility model can rapidly extrude the slider cavity in the molding sand layer of the upper box body and the molding sand layer of the lower box body by arranging the base plate, the first cavity block and the second cavity block, and the slider cavity in the upper box body and the lower box body can be synthesized into a complete cavity;

the first core block and the second core block are inserted into the sliding block cavity, so that the processing amount of the later-stage sliding block can be reduced, and partial structure in the sliding block can form a hollow structure.

Drawings

Fig. 1 is a sectional view of a slide block mold according to the present invention;

fig. 2 is a cross-sectional view of an upper box body in a slide block die provided by the present invention;

fig. 3 is a cross-sectional view of a first core block and a second core block in a slide block die according to the present invention;

fig. 4 is a schematic structural view of a slider cast in the slider mold according to the present invention.

In the figure: the casting mold comprises a lower mold box 1, an upper mold box 2, a molding sand layer 3, a first core block 4, a second core block 5, a base plate 6, a first cavity block 7, a second cavity block 8, a first positioning block 9, a second positioning block 10, a fixing hole 11, a cross gate 12, an inner gate 13 and a riser 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a slider mold comprises a lower mold box 1, wherein a molding sand layer 3 is filled inside the lower mold box 1, the lower mold box 1 is placed on the ground, an upper mold box 2 is arranged right above the lower mold box 1, the upper mold box 2 is of a bottom opening structure, the molding sand layer 3 is filled inside the upper mold box 2, and a cavity pressing mechanism is arranged between the lower mold box 1 and the upper mold box 2; and corresponding slide block cavities are pressed out in the molding sand layers of the upper mold box 2 and the lower mold box 1 through a cavity pressing mechanism.

The pressure chamber mechanism includes

base plate

6, 6 top and bottom of base plate are the first cavity block 7 of fixedly connected with respectively, second cavity block 8, first cavity block 7 can be at 3 bottom extrusion part slider cavities in the molding sand layer of cope flask 2, second cavity block 8 can be at the 3 interior slider cavities that extrude another part in the molding sand layer of cope flask 1 down, partial slider cavity in the cope flask 1 and the partial slider cavity of cope flask 2 form complete slider cavity, directly place the pressure chamber mechanism between cope flask 2 and cope flask 1, when pressing two cope flasks relatively, can make the intraformational slider cavity simultaneous moulding of molding sand of cope flask 2 and drag flask 1.

The first core block 4 is inserted into a part of the slide block cavity in the lower die box 1, the middle of the slide block forms a hollow structure through the first core block 4, the first core block 4 is cylindrical, the second core block 5 is inserted into the side face of the first core block 4, the second core block 5 is used for enabling the inner part of a protruding structure in the slide block to form the hollow structure, the second core block 5 is in a part of annular shape, and a pouring channel is formed in the inner side of the upper die box 2 and used for introducing metal liquid into the slide block cavity.

Go up the mould case 2 partial slider cavity and open and to have eight rising heads 14, wherein four rising heads 14 are located the middle part of slider, and four other rising heads 14 evenly distributed are in the both ends of slider, and the one end of slider is equipped with two rising heads 14, through distributing the rising head 14 in the different positions department of slider, can prevent that the foundry goods from having defects such as shrinkage cavity, shrinkage porosity.

A horizontal runner 12 is arranged on the side face of the upper die box 2, an inner runner 13 is respectively communicated with the horizontal runner 12 and two ends of the slider cavity, a metal melting product is poured into the slider cavity through the horizontal runner 12, the pouring speed is not less than 50kg/s, the pouring temperature is about 1535 ℃, at least one first positioning block 9 is fixedly connected to the top end of the substrate 6, a positioning hole is formed in the position, opposite to the first positioning block 9, of the upper die box 2, and the first positioning block 9 is matched with the positioning hole.

The top end of the lower die box 1 is fixedly connected with a second positioning block 10 opposite to the bottom end of the first positioning block 9 on the base plate 6, the first positioning block 9 at the bottom end of the base plate 6 is provided with a fixing hole 11, and the second positioning block 10 can be inserted into the fixing hole 11.

Firstly, respectively extruding a cavity pressing mechanism into a slide block cavity in an upper die box and a lower die box, then taking down the cavity pressing mechanism, installing a first core block and a second core block in the lower die box, closing the upper die box cover, and injecting molten metal to form a slide block casting.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The slider mold comprises a lower mold box (1), and is characterized in that a molding sand layer (3) is filled on the inner side of the lower mold box (1), an upper mold box (2) is arranged right above the lower mold box (1), the upper mold box (2) is of a bottom opening structure, the molding sand layer (3) is filled on the inner side of the upper mold box (2), and a cavity pressing mechanism is arranged between the lower mold box (1) and the upper mold box (2); the cavity pressing mechanism comprises a substrate (6), wherein the top end and the bottom end of the substrate (6) are respectively fixedly connected with a first cavity block (7) and a second cavity block (8), the first cavity block (7) can press out part of a slide block cavity at the bottom end of a sand layer (3) of an upper die box (2), the second cavity block (8) can press out the other part of the slide block cavity in the sand layer (3) of a lower die box (1), part of the slide block cavity in the lower die box (1) and part of the slide block cavity in the upper die box (2) form a complete slide block cavity, a first core block (4) is inserted into the part of the slide block cavity in the lower die box (1), a second core block (5) is inserted into the side face of the first core block (4), and a pouring gate is arranged on the inner side of the upper die box (2) and used for introducing metal liquid into the slide block cavity.

2. A slide mould according to claim 1, characterized in that eight risers (14) are provided in part of the slide cavity of the cope (2), four of said risers (14) being located in the middle of the slide, the other four risers (14) being evenly distributed at the two ends of the slide, one end of the slide being provided with two risers (14).

3. A slide block die as claimed in claim 1, wherein the upper die box (2) is provided with a cross runner (12) on the side, and the cross runner (12) and two ends of the slide block cavity are respectively provided with an inner runner (13).

4. A slide block die as claimed in claim 1, wherein at least one first locating block (9) is fixedly connected to the top end of the base plate (6), the upper die box (2) is provided with a locating hole corresponding to the first locating block (9), and the first locating block (9) is matched with the locating hole.

5. The sliding block die according to claim 1, wherein a second positioning block (10) is fixedly connected to the top end of the lower die box (1) opposite to the bottom end of the first positioning block (9) on the base plate (6), a fixing hole (11) is formed in the first positioning block (9) at the bottom end of the base plate (6), and the second positioning block (10) can be inserted into the fixing hole (11).